/* ==========================================================================
   Sadat Yasuj — site.css
   Hand-written, no framework. Logical properties everywhere, so the same
   rules serve RTL (fa, ar) and LTR (en).
   Sections:
     1. Font          6. Header / navigation   11. Prose (CMS content)
     2. Tokens        7. Drawer (mobile nav)   12. Forms
     3. Base          8. Page hero             13. Cards / listing
     4. Layout        9. Footer                14. Auth / error
     5. Components   10. Motion                15. Utilities
                                               17. Home
   ========================================================================== */

/* 1. Font ----------------------------------------------------------------- */
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-wght.woff2") format("woff2-variations"),
       url("../fonts/Vazirmatn-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
/* Vazirmatn draws Latin digits with Persian shapes. English pages use Inter (Latin letters and digits);
   Persian and Arabic pages take only the digits 0-9 from it, so an Arabic-script page never shows ۳۵ for 35. */
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-latin-wght.woff2") format("woff2-variations"), url("../fonts/Inter-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "SyDigits";
  src: url("../fonts/Inter-latin-wght.woff2") format("woff2-variations"), url("../fonts/Inter-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0030-0039;
}

/* 2. Tokens --------------------------------------------------------------- */
:root:lang(en) { --font: "Inter", "Vazirmatn", system-ui, "Segoe UI", sans-serif; }
:root {
  /* brand */
  --orange: #F26B1D;          /* vivid primary: fills, bars, highlights */
  --orange-strong: #E05A0E;   /* hover of orange fills */
  --orange-ink: #B8430A;      /* orange text on light ground (AA) */
  --amber: #F7A72A;           /* the logo's gear */
  --blue: #3C5492;            /* the logo's frame */
  --green: #427936;           /* the logo's steel members: "verified" */
  --green-soft: #7FC46A;

  /* grounds */
  --navy-950: #0B1424;
  --navy-900: #101C33;
  --navy-800: #182848;
  --navy-700: #22355C;
  --paper: #F6F4EF;
  --paper-2: #EEEBE3;
  --white: #FFFFFF;

  /* text */
  --ink: #17191E;
  --ink-2: #3A3F48;
  --muted: #5D6470;
  --on-dark: #E9EDF5;
  --on-dark-muted: #A9B4C8;

  /* lines */
  --line: #DCD7CC;
  --line-dark: rgb(255 255 255 / .12);

  /* type */
  --font: "SyDigits", "Vazirmatn", Tahoma, "Segoe UI", system-ui, sans-serif;
  --fs-xs: .8125rem;
  --fs-sm: .9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: clamp(1.125rem, 1.05rem + .35vw, 1.3125rem);
  --fs-h4: clamp(1.125rem, 1.05rem + .4vw, 1.375rem);
  --fs-h3: clamp(1.3rem, 1.15rem + .7vw, 1.75rem);
  --fs-h2: clamp(1.75rem, 1.35rem + 1.9vw, 3rem);
  --fs-h1: clamp(2.1rem, 1.4rem + 3.4vw, 4.25rem);
  --fs-display: clamp(2.5rem, 1.5rem + 5vw, 5.75rem);
  --lh: 1.95;
  --lh-tight: 1.3;

  /* space */
  --gutter: clamp(1rem, .5rem + 2.5vw, 2.5rem);
  --container: 1320px;
  --section: clamp(4rem, 2.5rem + 6vw, 8rem);
  --gap: clamp(1rem, .6rem + 1.6vw, 2rem);

  /* shape */
  --r-sm: 4px;
  --r: 10px;
  --r-lg: 18px;
  --chamfer: 14px; /* cut corner of a steel plate */
  --shadow-sm: 0 1px 2px rgb(11 20 36 / .06), 0 2px 6px rgb(11 20 36 / .05);
  --shadow: 0 1px 1px rgb(11 20 36 / .05), 0 4px 10px -2px rgb(11 20 36 / .08), 0 18px 36px -12px rgb(11 20 36 / .18);

  /* motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --dur: .7s;

  /* header */
  --header-h: 76px;

  color-scheme: light;
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }
}

/* 3. Base ----------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-block-start: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-md);
  line-height: var(--lh);
  font-feature-settings: "ss01";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.is-locked { overflow: hidden; }

img, svg, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
svg { flex-shrink: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 800;
  line-height: var(--lh-tight);
  text-wrap: balance;
  color: inherit;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin: 0; text-wrap: pretty; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--orange-ink); }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--orange); color: var(--navy-950); }

[hidden] { display: none !important; }

/* 4. Layout --------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: calc(820px + var(--gutter) * 2); }

.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * .6); }
.section--dark {
  background: var(--navy-900);
  color: var(--on-dark);
}
.section--paper-2 { background: var(--paper-2); }

.site-main { display: block; min-height: 50vh; }

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--min, 300px)), 1fr));
}

.stack > * + * { margin-block-start: var(--stack, 1rem); }

/* 5. Components ----------------------------------------------------------- */

/* Skip link */
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -100px;
  z-index: 200;
  padding: .75rem 1.25rem;
  background: var(--orange);
  color: var(--navy-950);
  font-weight: 700;
  border-radius: var(--r-sm);
}
.skip-link:focus { inset-block-start: 1rem; color: var(--navy-950); }

/* Eyebrow: a small steel plate + label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-block-end: 1rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--orange-ink);
}
.eyebrow::before {
  content: "";
  inline-size: .7rem;
  block-size: .7rem;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}
.section--dark .eyebrow,
.on-dark .eyebrow { color: var(--orange); }

/* Section heading */
.heading { max-width: 46rem; margin-block-end: clamp(2rem, 1.4rem + 2vw, 3.5rem); }
.heading h2 { font-size: var(--fs-h2); }
.heading p {
  margin-block-start: 1rem;
  font-size: var(--fs-lg);
  color: var(--muted);
}
.section--dark .heading p { color: var(--on-dark-muted); }
/* an eyebrow inside a heading keeps its own look (.heading p would otherwise win) */
.heading .eyebrow { margin-block: 0 1rem; font-size: var(--fs-sm); color: var(--orange-ink); }
.section--dark .heading .eyebrow,
.on-dark .heading .eyebrow { color: var(--orange); }
.heading--center { margin-inline: auto; text-align: center; }
.heading--center .eyebrow { justify-content: center; }

.lead { font-size: var(--fs-lg); color: var(--ink-2); }

/* Text accent: orange underline bar on a word */
.mark {
  background: linear-gradient(var(--orange), var(--orange)) no-repeat 0 92% / 100% .18em;
  padding-inline: .05em;
}

/* Buttons: background is a pseudo element so the chamfer never clips the focus ring */
.btn {
  --btn-bg: var(--orange);
  --btn-fg: var(--navy-950);
  --btn-bg-hover: var(--orange-strong);
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  min-block-size: 3.25rem;
  padding: .75rem 1.6rem;
  border: 0;
  background: none;
  color: var(--btn-fg);
  font-size: var(--fs-sm);
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  transition: color .25s, transform .25s var(--ease-out);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border, transparent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%);
  transition: background-color .25s;
}
[dir="rtl"] .btn::before {
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--chamfer) 100%, 0 calc(100% - var(--chamfer)));
}
.btn:hover { color: var(--btn-fg); }
.btn:hover::before { background: var(--btn-bg-hover); }
.btn:active { transform: translateY(1px); }
.btn .icon { inline-size: 1.15em; block-size: 1.15em; transition: transform .3s var(--ease-out); }
.btn:hover .icon--arrow { transform: translateX(calc(var(--dir, 1) * -4px)); }
[dir="ltr"] { --dir: -1; }

.btn--dark { --btn-bg: var(--navy-900); --btn-fg: var(--white); --btn-bg-hover: var(--navy-700); }
.btn--light { --btn-bg: var(--white); --btn-fg: var(--navy-950); --btn-bg-hover: var(--paper-2); }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bg-hover: rgb(23 25 30 / .05);
  --btn-border: var(--line);
}
.on-dark .btn--ghost,
.btn--ghost-light {
  --btn-bg: transparent;
  --btn-fg: var(--white);
  --btn-bg-hover: rgb(255 255 255 / .08);
  --btn-border: rgb(255 255 255 / .35);
}
.btn--sm { min-block-size: 2.6rem; padding: .5rem 1.1rem; --chamfer: 10px; }
.btn--block { inline-size: 100%; }

/* Text link with arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  color: var(--orange-ink);
}
.link-arrow .icon { inline-size: 1.1em; block-size: 1.1em; transition: transform .3s var(--ease-out); }
.link-arrow:hover .icon { transform: translateX(calc(var(--dir, 1) * -4px)); }

/* Icons from the sprite */
.icon {
  inline-size: 1.25rem;
  block-size: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon--fill { fill: currentColor; stroke: none; }
/* arrows in the sprite point left (RTL forward); LTR mirrors them */
[dir="ltr"] .icon--arrow { transform: scaleX(-1); }

/* Breadcrumb */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: .6rem; }
.breadcrumb li + li::before { content: "/"; opacity: .45; }
.breadcrumb a { opacity: .8; }
.breadcrumb a:hover { opacity: 1; color: inherit; text-decoration: underline; text-underline-offset: 4px; }
.breadcrumb [aria-current] { font-weight: 700; }

/* Chips (filters) */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 clamp(1.75rem, 1.2rem + 1.6vw, 2.75rem);
  padding: 0;
  list-style: none;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-block-size: 2.5rem;
  padding: .35rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: var(--fs-sm);
  font-weight: 600;
  transition: border-color .2s, background-color .2s, color .2s;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-current] { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }

/* Pagination */
.pagination { margin-block-start: clamp(2.5rem, 2rem + 2vw, 4rem); }
.pagination ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.pagination a,
.pagination span {
  display: grid;
  place-items: center;
  min-inline-size: 2.75rem;
  block-size: 2.75rem;
  padding-inline: .75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--white);
  font-weight: 700;
}
.pagination a:hover { border-color: var(--ink); color: var(--ink); }
.pagination [aria-current] { background: var(--orange); border-color: var(--orange); color: var(--navy-950); }
.pagination .is-disabled { opacity: .4; }
.pagination .icon { inline-size: 1.1rem; block-size: 1.1rem; }

/* Alerts */
.alerts {
  position: fixed;
  inset-block-start: calc(var(--header-h) + 1rem);
  inset-inline: 0;
  z-index: 90;
  display: grid;
  gap: .6rem;
  justify-items: center;
  padding-inline: var(--gutter);
  pointer-events: none;
}
.alert {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  inline-size: min(100%, 36rem);
  padding: 1rem 1.25rem;
  border-inline-start: 4px solid var(--green);
  border-radius: var(--r);
  background: var(--white);
  box-shadow: var(--shadow);
  pointer-events: auto;
  animation: alert-in .5s var(--ease-out) both;
}
.alert--danger { border-color: #C2291B; }
.alert--warning { border-color: var(--amber); }
.alert--info,
.alert--primary { border-color: var(--blue); }
.alert p { flex: 1; }
.alert button {
  display: grid;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  margin: -.25rem;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--muted);
}
.alert button:hover { background: var(--paper-2); color: var(--ink); }
@keyframes alert-in { from { opacity: 0; transform: translateY(-12px); } }

/* Stat (number + label) */
.stat__value {
  display: block;
  font-size: clamp(2.25rem, 1.6rem + 2.6vw, 3.75rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.01em;
}
.stat__value small { font-size: .45em; font-weight: 700; margin-inline-start: .2em; }
.stat__label { display: block; margin-block-start: .6rem; font-size: var(--fs-sm); color: var(--muted); }
.section--dark .stat__label { color: var(--on-dark-muted); }

/* Logo lock-up */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  color: inherit;
}
.brand:hover { color: inherit; }
.brand__mark { inline-size: auto; block-size: 3rem; }
.brand__text { display: grid; line-height: 1.25; }
.brand__name { font-size: 1.15rem; font-weight: 900; letter-spacing: -.01em; }
.brand__tag { font-size: .72rem; font-weight: 500; opacity: .75; }
@media (max-width: 960px) {
  .brand__mark { block-size: 2.5rem; }
  .brand__name { font-size: 1.05rem; }
}

/* 6. Header --------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 80;
  color: var(--ink);
  transition: transform .45s var(--ease-out), color .3s;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgb(246 244 239 / .9);
  border-block-end: 1px solid var(--line);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  transition: opacity .3s;
}
/* over a dark hero: transparent until the page scrolls */
.has-hero .site-header:not(.is-scrolled):not(.is-open) { color: var(--white); }
.has-hero .site-header:not(.is-scrolled):not(.is-open)::before { opacity: 0; }
.site-header.is-hidden { transform: translateY(-100%); }

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  block-size: var(--header-h);
}
.site-header .brand { margin-inline-end: auto; }

.nav { display: flex; align-items: center; }
.nav__list {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav__item { position: relative; }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .6rem .85rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: inherit;
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute;
  inset-inline: .85rem;
  inset-block-end: .25rem;
  block-size: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: var(--origin-end, left);
  transition: transform .35s var(--ease-out);
}
[dir="ltr"] .nav__link::after { --origin-end: right; }
.nav__link:hover { color: inherit; }
.nav__link:hover::after,
.nav__link[aria-current]::after { transform: scaleX(1); transform-origin: var(--origin-start, right); }
[dir="ltr"] .nav__link:hover::after,
[dir="ltr"] .nav__link[aria-current]::after { --origin-start: left; }
.nav__link .icon { inline-size: .9rem; block-size: .9rem; opacity: .7; }

/* dropdown */
.nav__sub {
  position: absolute;
  inset-block-start: 100%;
  inset-inline-start: 0;
  min-inline-size: 15rem;
  margin: 0;
  padding: .5rem;
  list-style: none;
  border-radius: var(--r);
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s, transform .3s var(--ease-out), visibility .25s;
}
.nav__item:hover > .nav__sub,
.nav__item:focus-within > .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__sub a {
  display: block;
  padding: .55rem .85rem;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.nav__sub a:hover { background: var(--paper); color: var(--orange-ink); }

.header-actions { display: flex; align-items: center; gap: .75rem; }
.header-phone {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-sm);
  font-weight: 800;
  color: inherit;
}
.header-phone:hover { color: inherit; }
.header-phone .icon {
  inline-size: 2.4rem;
  block-size: 2.4rem;
  padding: .6rem;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: .9;
}

.lang-switch { display: flex; gap: .15rem; font-size: var(--fs-xs); font-weight: 700; }
.lang-switch a { padding: .3rem .45rem; border-radius: var(--r-sm); opacity: .7; }
.lang-switch a:hover,
.lang-switch [aria-current] { opacity: 1; color: inherit; background: rgb(127 127 127 / .14); }

.menu-toggle {
  display: none;
  place-items: center;
  inline-size: 2.9rem;
  block-size: 2.9rem;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: none;
  color: inherit;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  inline-size: 1.1rem;
  block-size: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .35s var(--ease-out), opacity .2s;
}
.menu-toggle span { position: relative; }
.menu-toggle span::before,
.menu-toggle span::after { content: ""; position: absolute; inset-inline-start: 0; }
.menu-toggle span::before { transform: translateY(-6px); }
.menu-toggle span::after { transform: translateY(6px); }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); }

@media (min-width: 1280px) and (max-width: 1439px) {
  .site-header .header-phone span, .site-header .brand__tag { display: none; }
  .site-header .nav__link { padding-inline: .6rem; }
  .site-header .brand__name { white-space: nowrap; }
}
@media (max-width: 1100px) {
  .header-phone span { display: none; }
}
/* The full bar (logo, five menu items, language, phone, button) needs about 1280px in every language */
@media (max-width: 1279px) {
  .nav,
  .header-actions .btn,
  .header-phone,
  .site-header .lang-switch { display: none; }
  .menu-toggle { display: grid; }
}

/* 7. Drawer (mobile nav) -------------------------------------------------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 1.5rem) var(--gutter) 2rem;
  overflow-y: auto;
  background: var(--navy-950);
  color: var(--on-dark);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path .6s var(--ease-in-out), visibility 0s .6s;
}
.drawer.is-open {
  clip-path: inset(0);
  visibility: visible;
  transition: clip-path .6s var(--ease-in-out), visibility 0s;
}
.drawer__list { margin: 0; padding: 0; list-style: none; counter-reset: nav; }
.drawer__list > li {
  counter-increment: nav;
  border-block-end: 1px solid var(--line-dark);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s, transform .5s var(--ease-out);
  transition-delay: calc(.15s + var(--i, 0) * 50ms);
}
.drawer.is-open .drawer__list > li { opacity: 1; transform: none; }
.drawer__list > li > a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1rem;
  font-size: clamp(1.4rem, 1.1rem + 1.5vw, 2rem);
  font-weight: 800;
}
.drawer__list > li > a::before {
  content: counter(nav, decimal-leading-zero);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--orange);
}
.drawer__list a:hover,
.drawer__list a[aria-current] { color: var(--orange); }
.drawer__sub { margin: -.5rem 0 1rem; padding: 0 2rem 0 0; list-style: none; }
[dir="ltr"] .drawer__sub { padding: 0 0 0 2rem; }
.drawer__sub a { display: block; padding-block: .4rem; color: var(--on-dark-muted); }
.drawer__foot { display: grid; gap: 1rem; margin-block-start: auto; padding-block-start: 2rem; }
.drawer__foot .lang-switch a { font-size: var(--fs-sm); }
.drawer__contact { display: grid; gap: .25rem; color: var(--on-dark-muted); font-size: var(--fs-sm); }
.drawer__contact a { color: var(--white); font-weight: 700; }

@media (min-width: 1280px) {
  .drawer { display: none; }
}

/* 8. Page hero (inner pages) ---------------------------------------------- */
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--header-h) + clamp(3rem, 2rem + 4vw, 6rem)) clamp(2.5rem, 1.8rem + 3vw, 4.5rem);
  background: var(--navy-900);
  color: var(--white);
}
.page-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-hero__media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  opacity: .5;
  transform: scale(1.06);
  animation: hero-settle 2.4s var(--ease-out) both;
}
@keyframes hero-settle { to { transform: scale(1); } }
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, var(--navy-950) 0%, rgb(11 20 36 / .55) 55%, rgb(11 20 36 / .35) 100%),
    var(--blueprint);
}
.page-hero__inner { display: grid; gap: 1.25rem; max-width: 52rem; }
.page-hero .eyebrow { margin: 0; color: var(--orange); }
.page-hero h1 { font-size: var(--fs-h1); }
.page-hero__lead { font-size: var(--fs-lg); color: var(--on-dark); max-width: 44rem; }
.page-hero .breadcrumb { color: var(--on-dark-muted); margin-block-start: .5rem; }
.page-hero .breadcrumb [aria-current] { color: var(--white); }

/* dimension line under hero titles: |←—— ——→| */
.dimension {
  display: flex;
  align-items: center;
  gap: .75rem;
  max-width: 22rem;
  color: var(--orange);
  font-size: var(--fs-xs);
  font-weight: 700;
}
.dimension::before,
.dimension::after {
  content: "";
  flex: 1;
  block-size: 9px;
  border-inline: 1.5px solid currentColor;
  background: linear-gradient(currentColor, currentColor) center / 100% 1.5px no-repeat;
}

/* 9. Footer --------------------------------------------------------------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--navy-950);
  color: var(--on-dark-muted);
  font-size: var(--fs-sm);
}
.site-footer a:hover { color: var(--orange); }

/* steel truss along the top edge */
.truss {
  display: block;
  inline-size: 100%;
  block-size: 28px;
  color: var(--navy-700);
}

.footer-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 3rem;
  padding-block: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  border-block-end: 1px solid var(--line-dark);
}
.footer-cta h2 { color: var(--white); font-size: var(--fs-h2); max-width: 30ch; }
.footer-cta p { margin-block-start: .75rem; max-width: 46ch; }
.footer-cta__actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.footer-grid {
  display: grid;
  gap: 2.5rem var(--gap);
  grid-template-columns: 1.4fr repeat(3, 1fr);
  padding-block: clamp(3rem, 2.5rem + 2vw, 4.5rem);
}
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-col h3 {
  margin-block-end: 1.25rem;
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--white);
}
.footer-col ul { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.footer-about .brand { color: var(--white); margin-block-end: 1.25rem; }
.footer-about p { max-width: 34ch; }

.contact-list li { display: flex; gap: .75rem; align-items: flex-start; }
.contact-list .icon { margin-block-start: .3rem; color: var(--orange); }
.contact-list a { color: var(--on-dark); }

.socials { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: 1.5rem; }
.socials a {
  display: grid;
  place-items: center;
  inline-size: 2.6rem;
  block-size: 2.6rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--on-dark);
  transition: background-color .25s, border-color .25s, color .25s;
}
.socials a:hover { background: var(--orange); border-color: var(--orange); color: var(--navy-950); }

.newsletter { display: grid; gap: .75rem; margin-block-start: 1.5rem; }
.newsletter__row { display: flex; }
.newsletter input {
  flex: 1;
  min-inline-size: 0;
  block-size: 3rem;
  padding-inline: 1rem;
  border: 1px solid var(--line-dark);
  border-inline-end: 0;
  border-radius: 0;
  background: rgb(255 255 255 / .04);
  color: var(--white);
}
.newsletter input::placeholder { color: var(--on-dark-muted); }
.newsletter button {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  border: 0;
  background: var(--orange);
  color: var(--navy-950);
}
.newsletter button:hover { background: var(--amber); }
.newsletter__msg { min-block-size: 1.5em; font-size: var(--fs-xs); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  border-block-start: 1px solid var(--line-dark);
  font-size: var(--fs-xs);
}
.to-top {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--on-dark);
  font-weight: 700;
}
.to-top .icon { transform: rotate(90deg); }
[dir="ltr"] .to-top .icon { transform: scaleX(-1) rotate(90deg); }
.to-top:hover { color: var(--orange); }

/* giant outlined wordmark */
.wordmark {
  display: block;
  margin-block-end: -.18em;
  padding-inline: var(--gutter);
  font-size: clamp(3.5rem, 1rem + 13vw, 15rem);
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px rgb(255 255 255 / .13);
  background: linear-gradient(to bottom, rgb(242 107 29 / .22), transparent 70%);
  -webkit-background-clip: text;
  background-clip: text;
  user-select: none;
  pointer-events: none;
}

/* 10. Motion -------------------------------------------------------------- */
/* elements are only hidden when JS runs (html.js) and motion is allowed */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
    transition-delay: calc(var(--i, 0) * 90ms);
  }
  .js [data-reveal="fade"] { transform: none; }
  .js [data-reveal="zoom"] { transform: scale(.96); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }

  /* image inside a frame settles from a slight zoom */
  .js [data-reveal] .frame img { transform: scale(1.08); transition: transform 1.4s var(--ease-out); }
  .js [data-reveal].is-in .frame img { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* 11. Prose (CMS content) ------------------------------------------------- */
.prose { color: var(--ink-2); font-size: var(--fs-md); }
.prose > * + * { margin-block-start: 1.25em; }
.prose > :first-child { margin-block-start: 0; }
.prose h2, .prose h3, .prose h4 { color: var(--ink); margin-block-start: 2em; }
.prose h2 { font-size: var(--fs-h3); }
.prose h3 { font-size: var(--fs-h4); }
.prose h4 { font-size: var(--fs-md); }
.prose h2 + *, .prose h3 + *, .prose h4 + * { margin-block-start: .75em; }
.prose a { color: var(--orange-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose strong { color: var(--ink); font-weight: 800; }
.prose ul, .prose ol { padding-inline-start: 1.4em; }
.prose li + li { margin-block-start: .4em; }
.prose ul li::marker { color: var(--orange); }
.prose ol li::marker { color: var(--orange-ink); font-weight: 800; }
.prose img, .prose figure img { border-radius: var(--r); }
.prose figure { margin-inline: 0; }
.prose figcaption { margin-block-start: .6rem; font-size: var(--fs-sm); color: var(--muted); }
.prose blockquote {
  margin-inline: 0;
  padding: 1.25rem 1.5rem;
  border-inline-start: 4px solid var(--orange);
  background: var(--white);
  font-size: var(--fs-lg);
  color: var(--ink);
}
.prose hr { border: 0; border-block-start: 1px solid var(--line); margin-block: 2.5em; }
.prose table { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.prose .table-wrap { overflow-x: auto; }
.prose th, .prose td { padding: .75rem 1rem; border-block-end: 1px solid var(--line); text-align: start; }
.prose th { background: var(--paper-2); color: var(--ink); font-weight: 800; }
.prose iframe { inline-size: 100%; aspect-ratio: 16 / 9; block-size: auto; border: 0; border-radius: var(--r); }

/* 12. Forms --------------------------------------------------------------- */
.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.field { display: grid; gap: .45rem; }
.field label { font-size: var(--fs-sm); font-weight: 700; color: var(--ink); }
.field input,
.field select,
.field textarea {
  inline-size: 100%;
  min-block-size: 3.25rem;
  padding: .75rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-block-size: 9rem; resize: vertical; line-height: 1.8; }
.field input:hover,
.field select:hover,
.field textarea:hover { border-color: #BDB6A8; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgb(242 107 29 / .2);
}
.field input[dir="ltr"] { text-align: left; }
.field__error,
.field-validation-error { font-size: var(--fs-xs); color: #B42318; }
.input-validation-error { border-color: #B42318 !important; }
.validation-summary-errors ul { margin: 0; padding-inline-start: 1.2rem; color: #B42318; font-size: var(--fs-sm); }
.validation-summary-valid { display: none; }
.field input[type="file"] { padding: .55rem; cursor: pointer; }
.field input[type="file"]::file-selector-button {
  margin-inline-end: 1rem;
  padding: .5rem 1rem;
  border: 0;
  border-radius: var(--r-sm);
  background: var(--navy-900);
  color: var(--white);
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: 700;
  cursor: pointer;
}
.check { display: flex; align-items: center; gap: .6rem; font-size: var(--fs-sm); }
.check input { inline-size: 1.15rem; block-size: 1.15rem; accent-color: var(--orange); }
.form__note { font-size: var(--fs-xs); color: var(--muted); }

/* 13. Cards / listing ----------------------------------------------------- */
.frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r);
  background: var(--paper-2);
}
.frame img { inline-size: 100%; block-size: 100%; object-fit: cover; }

.card { position: relative; display: flex; flex-direction: column; }
.card__media {
  aspect-ratio: 4 / 3;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--chamfer) 100%, 0 calc(100% - var(--chamfer)));
  border-radius: 0;
}
[dir="ltr"] .card__media { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%); }
.card__media img { transition: transform .9s var(--ease-out); }
.card:hover .card__media img { transform: scale(1.05); }
.card__placeholder {
  display: grid;
  place-items: center;
  inline-size: 100%;
  block-size: 100%;
  background: var(--blueprint), var(--navy-900);
  color: var(--navy-700);
}
.card__placeholder img { inline-size: 32%; block-size: auto; object-fit: contain; opacity: .35; filter: grayscale(1) brightness(2); }
.card__body { display: grid; gap: .5rem; padding-block: 1.1rem 0; }
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--muted);
}
.card__meta .is-accent { color: var(--orange-ink); }
.card__title { font-size: var(--fs-h4); font-weight: 800; line-height: 1.45; }
.card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card__title a:hover { color: inherit; }
.card:hover .card__title { color: var(--orange-ink); }
.card__excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--fs-sm);
  color: var(--muted);
}
.card a:focus-visible { outline: none; }
.card:has(a:focus-visible) { outline: 3px solid var(--orange); outline-offset: 6px; border-radius: var(--r); }

.listing-intro { max-width: 46rem; margin-block-end: 2.5rem; }

.empty {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: clamp(3rem, 2rem + 4vw, 5rem) 1.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--r-lg);
  text-align: center;
  color: var(--muted);
}
.empty img { inline-size: 4.5rem; opacity: .35; filter: grayscale(1); }

/* Article / page layout */
.article { display: grid; gap: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.article__cover { aspect-ratio: 16 / 9; border-radius: var(--r-lg); }
.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  padding-block-end: 1.5rem;
  border-block-end: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--muted);
}
.article__meta strong { color: var(--ink); }
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  margin: 0;
  border-block-start: 1px solid var(--line);
}
.facts > div { padding: 1rem 0; border-block-end: 1px solid var(--line); }
.facts dt { font-size: var(--fs-xs); font-weight: 700; color: var(--muted); }
.facts dd { margin: .25rem 0 0; font-weight: 800; color: var(--ink); }

.gallery { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); }
.gallery a { aspect-ratio: 4 / 3; }

.related { border-block-start: 1px solid var(--line); }

/* 14. Auth / error -------------------------------------------------------- */
.auth {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  min-block-size: 100vh;
}
.auth__media {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  background: var(--navy-950);
  color: var(--white);
}
.auth__media img.auth__photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  opacity: .45;
}
.auth__media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, var(--navy-950), transparent 70%), var(--blueprint);
}
.auth__media .brand { color: var(--white); }
.auth__quote { max-width: 26rem; font-size: var(--fs-h3); font-weight: 800; line-height: 1.5; }
.auth__panel {
  display: grid;
  place-items: center;
  padding: clamp(2rem, 1.5rem + 3vw, 4rem) var(--gutter);
}
.auth__card { inline-size: min(100%, 26rem); display: grid; gap: 1.5rem; }
.auth__card h1 { font-size: var(--fs-h2); }
.auth__card > p { color: var(--muted); }
.auth__links { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: var(--fs-sm); }
.auth__links a { color: var(--orange-ink); font-weight: 700; }
@media (max-width: 860px) {
  .auth { grid-template-columns: 1fr; }
  .auth__media { min-block-size: 14rem; }
  .auth__quote { display: none; }
}

.error-page {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  min-block-size: 100vh;
  padding: calc(var(--header-h) + 3rem) var(--gutter) 4rem;
  background: var(--blueprint), var(--navy-950);
  color: var(--white);
  text-align: center;
}
.error-page__code {
  font-size: clamp(6rem, 3rem + 16vw, 16rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--orange);
}
.error-page__inner { display: grid; justify-items: center; gap: 1.25rem; max-width: 36rem; }
.error-page h1 { font-size: var(--fs-h2); }
.error-page p { color: var(--on-dark-muted); font-size: var(--fs-lg); }
.error-page__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-block-start: .5rem; }

/* 15. Utilities ----------------------------------------------------------- */
:root {
  /* blueprint grid: 32px cells with a stronger line every 4 cells */
  --blueprint:
    linear-gradient(rgb(255 255 255 / .045) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgb(255 255 255 / .045) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(rgb(255 255 255 / .06) 1px, transparent 1px) 0 0 / 128px 128px,
    linear-gradient(90deg, rgb(255 255 255 / .06) 1px, transparent 1px) 0 0 / 128px 128px;
  --blueprint-light:
    linear-gradient(rgb(16 28 51 / .05) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgb(16 28 51 / .05) 1px, transparent 1px) 0 0 / 32px 32px;
}
.bg-blueprint { background: var(--blueprint-light), var(--paper); }

.visually-hidden {
  position: absolute !important;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.ltr { direction: ltr; unicode-bidi: isolate; }
.num { }
.text-center { text-align: center; }
.mt-0 { margin-block-start: 0; }

/* 16. Additions: logo on dark, header open state, hero, contact ----------- */
.on-dark .brand__mark,
.has-hero .site-header:not(.is-scrolled):not(.is-open) .brand__mark,
.site-header.is-open .brand__mark,
.drawer .brand__mark {
  --logo-frame: #FFFFFF;
  --logo-word: #FFFFFF;
  --logo-steel: var(--green-soft);
  --logo-web: var(--navy-950);
}
.site-header.is-open { color: var(--white); }
.site-header.is-open::before { opacity: 1; background: var(--navy-950); border-color: var(--line-dark); }

.footer-col .socials { display: flex; gap: .5rem; }
.icon--prev { transform: scaleX(-1); }
[dir="ltr"] .icon--prev { transform: none; }

/* Contact */
.contact {
  display: grid;
  gap: clamp(2rem, 1.5rem + 3vw, 5rem);
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: start;
}
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
.contact--form-only { grid-template-columns: minmax(0, 46rem); justify-content: center; }
.contact h2 { font-size: var(--fs-h3); margin-block-end: 1.5rem; }
.contact__info .prose { margin-block-end: 2rem; }
.contact-cards { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.contact-cards li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--white);
}
.contact-cards .icon {
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: .7rem;
  border-radius: var(--r-sm);
  background: var(--navy-900);
  color: var(--orange);
}
.contact-cards div { display: grid; gap: .15rem; }
.contact-cards span { font-size: var(--fs-xs); font-weight: 700; color: var(--muted); }
.contact-cards a { font-weight: 800; }
.contact__form {
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  border-radius: var(--r-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}
.contact__form h2 { margin-block-end: .25rem; }

/* without JavaScript the header never turns solid, so it scrolls away with the hero instead of floating over content */
:root:not(.js) .site-header { position: absolute; }

/* without JavaScript the mobile menu is a plain list at the top of the page */
@media (max-width: 960px) {
  :root:not(.js) .drawer {
    position: static;
    clip-path: none;
    visibility: visible;
    padding-block: calc(var(--header-h) + 1rem) 1.5rem;
  }
  :root:not(.js) .drawer__list > li { opacity: 1; transform: none; }
  :root:not(.js) .menu-toggle { display: none; }
}

/* 17. Home ---------------------------------------------------------------- */
[dir="rtl"] { --toward-end: to left; }
[dir="ltr"] { --toward-end: to right; }

/* section heading with a link at its end */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-block-end: clamp(2rem, 1.4rem + 2vw, 3.5rem);
}
.section-head .heading { margin-block-end: 0; }
.section-head > .link-arrow { margin-block-end: .4rem; }
.section--dark .link-arrow { color: var(--orange); }
.section--dark .link-arrow:hover { color: var(--amber); }

/* 17.1 Slider ------------------------------------------------------------- */
.slider {
  --slide-dur: 7s;
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: 1fr auto;
  min-block-size: max(38rem, 100svh);
  overflow: hidden;
  background: var(--navy-950);
  color: var(--white);
}
.slider__slides { position: relative; display: grid; touch-action: pan-y; }
.slide {
  grid-area: 1 / 1;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s var(--ease-in-out), visibility 0s 1.1s;
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity 1.1s var(--ease-in-out), visibility 0s;
}
:root:not(.js) .slide:not(.is-active) { display: none; }

/* media is positioned against the whole slider, so it also sits under the tab bar */
.slide__media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.slide__media img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.slide__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--toward-end), rgb(11 20 36 / .62) 0%, rgb(11 20 36 / .1) 65%),
    linear-gradient(to top, rgb(11 20 36 / .95) 0%, rgb(11 20 36 / .25) 50%, rgb(11 20 36 / .55) 100%);
}
@media (prefers-reduced-motion: no-preference) {
  .slide.is-active .slide__media img { animation: slide-zoom 10s var(--ease-out) both; }
}
@keyframes slide-zoom { from { transform: scale(1.1); } to { transform: scale(1); } }

.slide__inner {
  display: grid;
  justify-items: start;
  gap: 1.25rem;
  padding-block: calc(var(--header-h) + 3rem) clamp(2.5rem, 2rem + 3vw, 4.5rem);
}
.slide .eyebrow { margin: 0; color: var(--orange); }
.slide__title { max-width: 16ch; font-size: var(--fs-display); font-weight: 900; line-height: 1.15; }
.slide__lead { max-width: 40rem; font-size: var(--fs-lg); color: var(--on-dark); }
.slide__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: .5rem; }

/* each part of the active slide rises in turn */
@media (prefers-reduced-motion: no-preference) {
  .js .slide__part {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .5s, transform .5s var(--ease-out);
  }
  .js .slide.is-active .slide__part {
    opacity: 1;
    transform: none;
    transition: opacity .9s var(--ease-out), transform 1s var(--ease-out);
  }
  .js .slide.is-active .slide__part:nth-child(1) { transition-delay: .35s; }
  .js .slide.is-active .slide__part:nth-child(2) { transition-delay: .45s; }
  .js .slide.is-active .slide__part:nth-child(3) { transition-delay: .55s; }
  .js .slide.is-active .slide__part:nth-child(4) { transition-delay: .65s; }
}

.slider__bar {
  position: relative;
  border-block-start: 1px solid var(--line-dark);
  background: rgb(11 20 36 / .55);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
:root:not(.js) .slider__bar { display: none; }
.slider__bar-inner { display: flex; align-items: stretch; gap: 1.5rem; }
.slider__tabs { flex: 1; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); }
.slider__tab {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: .75rem;
  min-inline-size: 0;
  padding: 1.25rem 0 1.25rem 1.25rem;
  border: 0;
  background: none;
  color: var(--on-dark-muted);
  text-align: start;
  transition: color .3s;
}
[dir="ltr"] .slider__tab { padding: 1.25rem 1.25rem 1.25rem 0; }
.slider__tab + .slider__tab { padding-inline-start: 1.25rem; border-inline-start: 1px solid var(--line-dark); }
.slider__tab:hover,
.slider__tab[aria-current="true"] { color: var(--white); }
.slider__tab-num { font-size: var(--fs-sm); font-weight: 900; color: var(--orange); }
.slider__tab-title {
  overflow: hidden;
  font-size: var(--fs-sm);
  font-weight: 700;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.slider__progress {
  position: absolute;
  inset-block-start: -1px;
  inset-inline: 0;
  block-size: 2px;
  overflow: hidden;
}
.slider__progress span {
  display: block;
  block-size: 100%;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
}
[dir="ltr"] .slider__progress span { transform-origin: left; }
.slider__tab[aria-current="true"] .slider__progress span { transform: none; }
.slider.is-playing .slider__tab[aria-current="true"] .slider__progress span {
  animation: slide-progress var(--slide-dur) linear both;
}
.slider.is-playing.is-held .slider__tab[aria-current="true"] .slider__progress span { animation-play-state: paused; }
@keyframes slide-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.slider__controls { display: flex; align-items: center; gap: .5rem; }
.slider__btn {
  display: grid;
  place-items: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: 0;
  border: 1px solid rgb(255 255 255 / .3);
  border-radius: 50%;
  background: none;
  color: var(--white);
  transition: background-color .25s, border-color .25s, color .25s;
}
.slider__btn:hover { background: var(--orange); border-color: var(--orange); color: var(--navy-950); }
.slider__btn .icon { inline-size: 1.1rem; block-size: 1.1rem; }
.slider__play,
.slider.is-paused .slider__pause { display: none; }
.slider.is-paused .slider__play { display: block; }

@media (max-width: 760px) {
  .slide__title { font-size: clamp(2rem, 1.2rem + 5vw, 2.75rem); }
  .slide__lead { font-size: var(--fs-md); }
  .slider__tab-title { display: none; }
  .slider__tab { padding-block: 1rem; }
  .slider__bar-inner { gap: .75rem; }
  .slider__btn[data-slide-prev],
  .slider__btn[data-slide-next] { display: none; }
}

/* 17.2 From drawing to structure ------------------------------------------ */
.plan { overflow: hidden; background: var(--blueprint), var(--navy-900); }
.plan__head {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  align-items: end;
  gap: 1.5rem clamp(2rem, 1rem + 4vw, 5rem);
  margin-block-end: clamp(2rem, 1.4rem + 2vw, 3rem);
}
.plan__head .heading { margin: 0; }
.plan__points { display: grid; margin: 0; padding: 0; list-style: none; }
.plan__points li {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  padding-block: .8rem;
  border-block-start: 1px solid var(--line-dark);
  font-weight: 700;
  color: var(--white);
}
.plan__points span { font-size: var(--fs-xs); font-weight: 900; color: var(--orange); }
@media (max-width: 900px) { .plan__head { grid-template-columns: 1fr; } }

.plan__stage {
  --x: 50%;
  --y: 50%;
  --r: clamp(64px, 13vw, 190px);
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  max-block-size: calc(100svh - var(--header-h) - 3rem);
  inline-size: 100%;
  overflow: hidden;
  background: #102040;
  outline: 1px solid rgb(214 228 255 / .22);
  outline-offset: 10px;
  cursor: crosshair;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
@media (max-width: 760px) {
  .plan__stage { aspect-ratio: 4 / 5; outline-offset: 6px; }
}
.plan__stage > img {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  pointer-events: none;
  -webkit-user-drag: none;
}
.plan__photo { clip-path: circle(var(--r) at var(--x) var(--y)); }

/* the lens: an orange ring with surveying ticks and a "built" tag */
.plan__lens {
  position: absolute;
  inset-block-start: 0;
  left: 0;
  inline-size: calc(var(--r) * 2);
  block-size: calc(var(--r) * 2);
  border: 2px solid var(--orange);
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / .35), 0 14px 40px rgb(0 0 0 / .35);
  transform: translate(calc(var(--x) - 50%), calc(var(--y) - 50%));
  pointer-events: none;
  transition: opacity .4s;
}
:root:not(.js) .plan__lens { left: 50%; inset-block-start: 50%; transform: translate(-50%, -50%); }
.plan__lens::before {
  content: "";
  position: absolute;
  inset: -14px;
  background:
    linear-gradient(var(--orange), var(--orange)) top center / 2px 12px no-repeat,
    linear-gradient(var(--orange), var(--orange)) bottom center / 2px 12px no-repeat,
    linear-gradient(var(--orange), var(--orange)) center left / 12px 2px no-repeat,
    linear-gradient(var(--orange), var(--orange)) center right / 12px 2px no-repeat;
}
.plan__lens-tag {
  position: absolute;
  inset-block-start: calc(100% + 1.1rem);
  left: 50%;
  translate: -50% 0;
  padding: .15rem .7rem;
  background: var(--orange);
  color: var(--navy-950);
  font-size: var(--fs-xs);
  font-weight: 800;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.plan__stage.is-full .plan__lens { opacity: 0; }

/* drawing title block, like the corner of an engineering sheet */
.plan__sheet {
  position: absolute;
  inset-block-end: clamp(.75rem, .5rem + 1vw, 1.25rem);
  inset-inline-end: clamp(.75rem, .5rem + 1vw, 1.25rem);
  display: flex;
  border: 1px solid rgb(214 228 255 / .55);
  background: rgb(16 32 64 / .88);
  color: #D6E4FF;
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.4;
  pointer-events: none;
  transition: opacity .4s;
}
.plan__sheet-cell { padding: .45rem .8rem; }
.plan__sheet-cell + .plan__sheet-cell { border-inline-start: 1px solid rgb(214 228 255 / .4); }
.plan__sheet-cell--label { background: rgb(214 228 255 / .12); color: var(--orange); }
.plan__stage.is-full .plan__sheet { opacity: 0; }
@media (max-width: 560px) { .plan__sheet-cell:nth-child(3) { display: none; } }

/* crop marks at two corners */
.plan__corner {
  position: absolute;
  inline-size: 22px;
  block-size: 22px;
  border: 0 solid var(--orange);
  pointer-events: none;
}
.plan__corner--a { inset-block-start: 12px; inset-inline-start: 12px; border-block-start-width: 2px; border-inline-start-width: 2px; }
.plan__corner--b { inset-block-start: 12px; inset-inline-end: 12px; border-block-start-width: 2px; border-inline-end-width: 2px; }

.plan__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-block-start: 1.75rem;
}
.plan__hint { font-size: var(--fs-sm); color: var(--on-dark-muted); }
.plan__hint--touch { display: none; }
@media (hover: none), (pointer: coarse) {
  .plan__hint--pointer { display: none; }
  .plan__hint--touch { display: inline; }
}
:root:not(.js) .plan__hint { visibility: hidden; }
.plan .btn--ghost { --btn-fg: var(--white); --btn-bg-hover: rgb(255 255 255 / .08); --btn-border: rgb(255 255 255 / .35); }

/* 17.3 Intro + stats ------------------------------------------------------ */
.intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  align-items: center;
  gap: clamp(2.5rem, 1.5rem + 4vw, 6rem);
}
@media (max-width: 960px) { .intro__grid { grid-template-columns: 1fr; } }
.intro__text { display: grid; justify-items: start; gap: 1.5rem; }
.intro__text .eyebrow { margin: 0; font-size: var(--fs-sm); }
.intro__statement {
  font-size: clamp(1.35rem, 1.1rem + 1.1vw, 2.1rem);
  font-weight: 700;
  line-height: 1.75;
  color: var(--ink);
}
.tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin: 0;
  padding: 0;
  list-style: none;
}
.tile {
  position: relative;
  padding: clamp(1.25rem, 1rem + 1vw, 2rem);
  border: 1px solid var(--line);
  background: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--chamfer) 100%, 0 calc(100% - var(--chamfer)));
}
[dir="ltr"] .tile { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%); }
.tile::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  inline-size: 2.5rem;
  block-size: 3px;
  background: var(--orange);
}
.tile .stat__value { color: var(--navy-900); font-variant-numeric: tabular-nums; }

/* 17.4 Product lines ------------------------------------------------------ */
.lines__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: start;
  gap: clamp(2rem, 1rem + 4vw, 5rem);
}
.lines__visual {
  order: 2;
  position: sticky;
  inset-block-start: calc(var(--header-h) + 2rem);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--navy-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 2) 100%, 0 calc(100% - var(--chamfer) * 2));
}
[dir="ltr"] .lines__visual { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 2), calc(100% - var(--chamfer) * 2) 100%, 0 100%); }
.lines__panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s var(--ease-out);
}
.lines__panel.is-active { opacity: 1; }
.lines__panel img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 1.2s var(--ease-out);
}
.lines__panel.is-active img { transform: none; }
.lines__plate {
  display: grid;
  place-items: center;
  block-size: 100%;
  background: var(--blueprint), var(--navy-900);
  color: var(--orange);
}
.lines__plate .icon { inline-size: 42%; block-size: auto; aspect-ratio: 1; stroke-width: .9; }
.lines__panel-num {
  position: absolute;
  inset-block-start: 1rem;
  inset-inline-end: 1.25rem;
  font-size: clamp(3rem, 2rem + 4vw, 6rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgb(255 255 255 / .55);
}

.lines__list { margin: 0; padding: 0; list-style: none; border-block-start: 1px solid var(--line); }
.line {
  position: relative;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-block-end: 1px solid var(--line);
}
.line::before {
  content: "";
  position: absolute;
  inset-block-end: -1px;
  inset-inline-start: 0;
  inline-size: 100%;
  block-size: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .6s var(--ease-out);
}
[dir="ltr"] .line::before { transform-origin: left; }
.line.is-active::before { transform: none; }
.line__num { padding-block-start: .35rem; font-size: var(--fs-xs); font-weight: 900; color: var(--muted); transition: color .3s; }
.line__icon {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy-900);
  transition: background-color .3s, color .3s, border-color .3s;
}
.line__icon .icon { inline-size: 1.5rem; block-size: 1.5rem; }
.line__text h3 { font-size: var(--fs-h4); transition: color .3s; }
.line__text h3 a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.line__text h3 a:hover { color: inherit; }
.line__text p { margin-block-start: .4rem; font-size: var(--fs-sm); color: var(--muted); max-width: 46ch; }
.line__arrow {
  display: grid;
  place-items: center;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: background-color .3s, border-color .3s, transform .45s var(--ease-out);
}
.line__arrow .icon { inline-size: 1.1rem; block-size: 1.1rem; }
[dir="ltr"] .line__arrow .icon { transform: scaleX(-1); }
.line.is-active .line__num { color: var(--orange-ink); }
.line.is-active .line__icon { background: var(--navy-900); border-color: var(--navy-900); color: var(--orange); }
.line.is-active h3 { color: var(--orange-ink); }
.line.is-active .line__arrow { background: var(--orange); border-color: var(--orange); transform: rotate(-45deg); }
[dir="ltr"] .line.is-active .line__arrow { transform: rotate(45deg); }
.line:has(a:focus-visible) { outline: 3px solid var(--orange); outline-offset: 4px; }
.line a:focus-visible { outline: none; }

@media (max-width: 900px) {
  .lines__grid { grid-template-columns: 1fr; }
  .lines__visual { display: none; }
}
@media (max-width: 560px) {
  .line { grid-template-columns: auto minmax(0, 1fr) auto; gap: 1rem; }
  .line__num { display: none; }
}

/* 17.5 Process deck ------------------------------------------------------- */
.process__grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 1rem + 4vw, 6rem);
}
.process__sticky {
  position: sticky;
  inset-block-start: calc(var(--header-h) + 2.5rem);
  display: grid;
  justify-items: start;
  gap: 1.25rem;
}
.process__sticky .eyebrow { margin: 0; }
.process__deck { margin: 0; padding: 0; list-style: none; }
.step {
  position: sticky;
  inset-block-start: calc(var(--header-h) + 2rem + var(--i) * 1.25rem);
  padding-block-end: clamp(1.5rem, 1rem + 2vw, 3rem);
}
.step:last-child { padding-block-end: 0; }
.step__card {
  position: relative;
  display: grid;
  gap: .9rem;
  min-block-size: 15rem;
  padding: clamp(1.5rem, 1.1rem + 1.5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 -10px 30px -18px rgb(11 20 36 / .25), var(--shadow-sm);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 1.6) 100%, 0 calc(100% - var(--chamfer) * 1.6));
}
[dir="ltr"] .step__card { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 1.6), calc(100% - var(--chamfer) * 1.6) 100%, 0 100%); }
.step__top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-block-end: .5rem; }
.step__label { font-size: var(--fs-xs); font-weight: 800; color: var(--orange-ink); }
.step__label span { color: var(--muted); font-weight: 600; }
.step__icon {
  display: grid;
  place-items: center;
  inline-size: 3.25rem;
  block-size: 3.25rem;
  background: var(--navy-900);
  color: var(--orange);
}
.step__icon .icon { inline-size: 1.6rem; block-size: 1.6rem; }
.step__card h3 { font-size: var(--fs-h3); }
.step__card p { max-width: 44ch; color: var(--muted); }
.step__num {
  position: absolute;
  inset-block-end: -.18em;
  inset-inline-end: .1em;
  font-size: clamp(5rem, 3rem + 6vw, 9rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--line);
  pointer-events: none;
}
@media (max-width: 900px) {
  .process__grid { grid-template-columns: 1fr; }
  .process__sticky { position: static; }
  .step { inset-block-start: calc(var(--header-h) + 1rem + var(--i) * .9rem); }
  .step__card { min-block-size: 13rem; }
}

/* 17.6 Projects deck ------------------------------------------------------ */
.deck { margin: 0; padding: 0; list-style: none; }
.deck__item {
  --p: 0;
  position: sticky;
  inset-block-start: calc(var(--header-h) + 1.5rem + var(--i) * 1.5rem);
  padding-block-end: clamp(1.5rem, 1rem + 2vw, 3rem);
}
.deck__item:last-child { padding-block-end: 0; }
.deck__card {
  position: relative;
  aspect-ratio: 16 / 9;
  max-block-size: calc(100svh - var(--header-h) - 6rem);
  inline-size: 100%;
  margin-inline: auto;
  overflow: hidden;
  background: var(--navy-950);
  transform: scale(calc(1 - var(--p) * .07));
  transform-origin: 50% 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 2) 100%, 0 calc(100% - var(--chamfer) * 2));
}
[dir="ltr"] .deck__card { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 2), calc(100% - var(--chamfer) * 2) 100%, 0 100%); }
.deck__card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--navy-950);
  opacity: calc(var(--p) * .55);
  pointer-events: none;
}
.deck__media { position: absolute; inset: 0; }
.deck__media img,
.deck__media .card__placeholder { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.deck__card:hover .deck__media img { transform: scale(1.04); }
.deck__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgb(11 20 36 / .92) 0%, rgb(11 20 36 / .35) 45%, transparent 70%);
}
.deck__body {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  justify-items: start;
  gap: .9rem;
  padding: clamp(1.25rem, .8rem + 2vw, 2.75rem);
}
.deck__index {
  position: absolute;
  inset-block-end: clamp(1.25rem, .8rem + 2vw, 2.75rem);
  inset-inline-end: clamp(1.25rem, .8rem + 2vw, 2.75rem);
  font-size: clamp(3rem, 2rem + 4vw, 6.5rem);
  font-weight: 900;
  line-height: .8;
  color: transparent;
  -webkit-text-stroke: 1.5px rgb(255 255 255 / .5);
}
.deck__status {
  padding: .2rem .8rem;
  border: 1px solid rgb(127 196 106 / .55);
  border-radius: 999px;
  background: rgb(66 121 54 / .35);
  color: #CDEBC4;
  font-size: var(--fs-xs);
  font-weight: 700;
}
.deck__title { max-width: 24ch; font-size: var(--fs-h2); color: var(--white); }
.deck__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.deck__title a:hover { color: inherit; }
.deck__facts { display: flex; flex-wrap: wrap; gap: .5rem 2.5rem; margin: 0; }
.deck__facts dt { font-size: var(--fs-xs); color: var(--on-dark-muted); }
.deck__facts dd { margin: 0; font-weight: 800; color: var(--white); }
.deck__more {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-sm);
  font-weight: 800;
  color: var(--orange);
}
.deck__more .icon { transition: transform .3s var(--ease-out); }
.deck__card:hover .deck__more .icon { transform: translateX(calc(var(--dir, 1) * -4px)); }
.deck__card:has(a:focus-visible) { outline: 3px solid var(--orange); outline-offset: -3px; }
.deck__card a:focus-visible { outline: none; }
@media (max-width: 760px) {
  .deck__card { aspect-ratio: 4 / 5; }
  .deck__title { font-size: var(--fs-h3); }
  .deck__index { inset-block-start: 1rem; inset-block-end: auto; font-size: 3rem; }
}

/* 17.7 Trust -------------------------------------------------------------- */
.trust__points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-block: 1px solid var(--line);
}
.trust__points li {
  display: grid;
  justify-items: start;
  gap: 1rem;
  padding: clamp(1.25rem, 1rem + 1vw, 2rem);
  font-weight: 700;
  color: var(--ink);
}
.trust__points li + li { border-inline-start: 1px solid var(--line); }
.trust__points .icon {
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: .6rem;
  background: var(--orange);
  color: var(--navy-950);
}
@media (max-width: 960px) {
  .trust__points { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust__points li:nth-child(3) { border-inline-start: 0; }
  .trust__points li:nth-child(n + 3) { border-block-start: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .trust__points { grid-template-columns: 1fr; }
  .trust__points li + li { border-inline-start: 0; border-block-start: 1px solid var(--line); }
}

.logos { margin-block-start: clamp(2.5rem, 2rem + 2vw, 4rem); }
.logos__viewport { display: flex; justify-content: center; }
.logos__track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem 3.5rem;
  margin: 0;
  padding: 0 var(--gutter);
  list-style: none;
}
.logos img {
  inline-size: auto;
  max-inline-size: 10rem;
  block-size: 4.5rem;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .7;
  transition: filter .3s, opacity .3s;
}
.logos a:hover img,
.logos img:hover { filter: none; opacity: 1; }
.logos--marquee .logos__viewport {
  justify-content: flex-start;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.logos--marquee .logos__track { flex-wrap: nowrap; flex-shrink: 0; padding-inline: 0 3.5rem; }
@media (prefers-reduced-motion: no-preference) {
  .logos--marquee .logos__track { animation: marquee 45s linear infinite; }
  .logos--marquee:hover .logos__track,
  .logos--marquee:focus-within .logos__track { animation-play-state: paused; }
}
@media (prefers-reduced-motion: reduce) {
  .logos--marquee .logos__viewport { justify-content: center; -webkit-mask-image: none; mask-image: none; }
  .logos--marquee .logos__track { flex-wrap: wrap; }
  .logos--marquee .logos__track[aria-hidden] { display: none; }
}
@keyframes marquee { to { transform: translateX(var(--marquee-to, -100%)); } }
[dir="rtl"] .logos { --marquee-to: 100%; }

/* 18. Inner pages --------------------------------------------------------- */

/* 18.1 Hero variants, pills ------------------------------------------------ */
.page-hero__top { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; }
.page-hero__icon {
  display: grid;
  place-items: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  background: var(--orange);
  color: var(--navy-950);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
[dir="ltr"] .page-hero__icon { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%); }
.page-hero__icon .icon { inline-size: 1.75rem; block-size: 1.75rem; }

.page-hero--project {
  display: flex;
  align-items: flex-end;
  min-block-size: min(88svh, 52rem);
  padding-block-end: clamp(2.5rem, 2rem + 2.5vw, 4rem);
}
.page-hero--project > .container { inline-size: 100%; }
.page-hero--project .page-hero__media img { opacity: .78; }
.page-hero--project::before {
  background:
    linear-gradient(to top, var(--navy-950) 0%, rgb(11 20 36 / .7) 30%, rgb(11 20 36 / .1) 70%, rgb(11 20 36 / .45) 100%);
}
.page-hero--project h1 { max-width: 22ch; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .2rem .8rem;
  border: 1px solid rgb(127 196 106 / .55);
  border-radius: 999px;
  background: rgb(66 121 54 / .35);
  color: #CDEBC4;
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.8;
  white-space: nowrap;
}
.pill--live { border-color: rgb(247 167 42 / .6); background: rgb(242 107 29 / .25); color: #FFD8B8; }
.pill--live::before {
  content: "";
  inline-size: .5rem;
  block-size: .5rem;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 0 rgb(242 107 29 / .6);
}
@media (prefers-reduced-motion: no-preference) {
  .pill--live::before { animation: live 2s ease-out infinite; }
}
@keyframes live { 70% { box-shadow: 0 0 0 .5rem rgb(242 107 29 / 0); } 100% { box-shadow: 0 0 0 0 rgb(242 107 29 / 0); } }
.pill--light { border-color: var(--line); background: var(--white); color: var(--orange-ink); }

/* 18.2 Filters ------------------------------------------------------------- */
.filters {
  display: grid;
  gap: 1rem;
  margin-block-end: 1.5rem;
  padding-block-end: 1.5rem;
  border-block-end: 1px solid var(--line);
}
.filter { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; }
.filter .chips { margin: 0; }
.filter__title {
  min-inline-size: 6.5rem;
  font-size: var(--fs-xs);
  font-weight: 800;
  color: var(--muted);
}
.chip { gap: .55rem; }
.chip__count {
  display: inline-grid;
  place-items: center;
  min-inline-size: 1.6rem;
  block-size: 1.6rem;
  padding-inline: .4rem;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--muted);
  font-size: .75rem;
  font-weight: 800;
}
.chip[aria-current] .chip__count { background: var(--orange); color: var(--navy-950); }
.filters + .result-line,
.result-line { margin-block-end: 1.75rem; font-size: var(--fs-sm); font-weight: 700; color: var(--muted); }
.result-line a { margin-inline-start: .75rem; color: var(--orange-ink); text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 640px) {
  .filter { display: grid; }
  .filter .chips { flex-wrap: nowrap; overflow-x: auto; padding-block-end: .35rem; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); scrollbar-width: none; }
  .filter .chips::-webkit-scrollbar { display: none; }
  .chip { white-space: nowrap; }
}

/* 18.3 Summary band (projects) -------------------------------------------- */
.summary {
  position: relative;
  background: var(--navy-950);
  color: var(--on-dark);
  border-block-start: 1px solid var(--line-dark);
}
.summary__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}
.summary__list li { padding: clamp(1.25rem, 1rem + 1.2vw, 2.25rem) clamp(1rem, .5rem + 1.5vw, 2rem); }
.summary__list li + li { border-inline-start: 1px solid var(--line-dark); }
.summary .stat__value { color: var(--white); font-size: clamp(1.9rem, 1.4rem + 2vw, 3rem); font-variant-numeric: tabular-nums; }
.summary__list li:first-child .stat__value { color: var(--orange); }
@media (max-width: 560px) {
  .summary__list { grid-auto-flow: row; }
  .summary__list li + li { border-inline-start: 0; border-block-start: 1px solid var(--line-dark); }
  .summary__list li { display: flex; align-items: baseline; gap: 1rem; padding-block: 1rem; padding-inline: 0; }
  .summary .stat__label { margin: 0; }
}

/* 18.4 Project cards ------------------------------------------------------- */
.pgrid { display: grid; gap: clamp(1.75rem, 1rem + 2.5vw, 3.25rem) var(--gap); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pgrid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1080px) { .pgrid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) { .pgrid, .pgrid--3 { grid-template-columns: 1fr; } }

.pcard { position: relative; display: flex; flex-direction: column; }
.pcard__media {
  position: relative;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  background: var(--navy-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 1.6) 100%, 0 calc(100% - var(--chamfer) * 1.6));
}
[dir="ltr"] .pcard__media { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 1.6), calc(100% - var(--chamfer) * 1.6) 100%, 0 100%); }
.pcard__media img,
.pcard__media .card__placeholder { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 1s var(--ease-out); }
.pcard:hover .pcard__media img { transform: scale(1.05); }
/* the logo inside a placeholder keeps its own small size */
.pcard__media .card__placeholder img,
.deck__media .card__placeholder img,
.feature__media .card__placeholder img { position: static; inline-size: 28%; block-size: auto; object-fit: contain; transform: none; }
.pcard__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgb(11 20 36 / .45), transparent 35%);
  pointer-events: none;
}
.pcard__media .pill { position: absolute; inset-block-start: 1rem; inset-inline-start: 1rem; z-index: 1; backdrop-filter: blur(6px); }
.pcard__go {
  position: absolute;
  inset-block-start: 1rem;
  inset-inline-end: 1rem;
  z-index: 1;
  display: grid;
  place-items: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: 50%;
  background: var(--white);
  color: var(--navy-950);
  transform: scale(.6);
  opacity: 0;
  transition: transform .45s var(--ease-out), opacity .3s, background-color .3s;
}
[dir="ltr"] .pcard__go .icon { transform: scaleX(-1); }
.pcard:hover .pcard__go,
.pcard:focus-within .pcard__go { transform: none; opacity: 1; background: var(--orange); }
.pcard__body { display: grid; gap: .55rem; padding-block-start: 1.2rem; }
.pcard__meta { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; font-size: var(--fs-xs); font-weight: 700; color: var(--muted); }
.pcard__meta span { display: inline-flex; align-items: center; gap: .35rem; }
.pcard__meta span:first-child { color: var(--orange-ink); }
.pcard__meta .icon { inline-size: 1rem; block-size: 1rem; }
.pcard__title { font-size: var(--fs-h4); line-height: 1.5; transition: color .25s; }
.pcard__title a::after { content: ""; position: absolute; inset: 0; z-index: 2; }
.pcard__title a:hover { color: inherit; }
.pcard:hover .pcard__title { color: var(--orange-ink); }
.pcard__excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--fs-sm);
  color: var(--muted);
}
.pcard__specs {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  margin: .35rem 0 0;
  border-block: 1px solid var(--line);
}
.pcard__specs::after {
  content: "";
  position: absolute;
  inset-block-end: -1px;
  inset-inline-start: 0;
  inline-size: 100%;
  block-size: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .6s var(--ease-out);
}
[dir="ltr"] .pcard__specs::after { transform-origin: left; }
.pcard:hover .pcard__specs::after { transform: none; }
.pcard__specs div { padding: .7rem 0; }
.pcard__specs div + div { padding-inline-start: 1rem; border-inline-start: 1px solid var(--line); }
.pcard__specs dt { font-size: .75rem; font-weight: 700; color: var(--muted); }
.pcard__specs dd { margin: .1rem 0 0; font-weight: 800; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcard:has(a:focus-visible) { outline: 3px solid var(--orange); outline-offset: 6px; }
.pcard a:focus-visible { outline: none; }
.section--dark .pcard__title,
.section--dark .pcard__specs dd { color: var(--white); }
.section--dark .pcard__specs,
.section--dark .pcard__specs div + div { border-color: var(--line-dark); }

/* 18.5 Featured article ------------------------------------------------------ */
.feature {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  margin-block-end: clamp(2.5rem, 2rem + 2vw, 4rem);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 2) 100%, 0 calc(100% - var(--chamfer) * 2));
}
[dir="ltr"] .feature { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 2), calc(100% - var(--chamfer) * 2) 100%, 0 100%); }
.feature__media { position: relative; min-block-size: 20rem; overflow: hidden; background: var(--navy-900); }
.feature__media img,
.feature__media .card__placeholder { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 1s var(--ease-out); }
.feature:hover .feature__media img { transform: scale(1.04); }
.feature__body { display: grid; align-content: center; justify-items: start; gap: 1rem; padding: clamp(1.5rem, 1rem + 2.5vw, 3.5rem); }
.feature__meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; font-size: var(--fs-sm); color: var(--muted); }
.feature__title { font-size: var(--fs-h3); line-height: 1.45; }
.feature__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.feature__title a:hover { color: inherit; }
.feature:hover .feature__title { color: var(--orange-ink); }
.feature__excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--muted);
}
.feature:has(a:focus-visible) { outline: 3px solid var(--orange); outline-offset: 4px; }
.feature a:focus-visible { outline: none; }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature__media { min-block-size: 0; aspect-ratio: 16 / 10; }
}

/* 18.6 Product line rows ------------------------------------------------- */
.rows { display: grid; gap: clamp(3rem, 2rem + 4vw, 6rem); margin: 0; padding: 0; list-style: none; }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.75rem, 1rem + 4vw, 5rem);
}
.row:nth-child(even) .row__media { order: 2; }
.row__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--navy-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 2) 100%, 0 calc(100% - var(--chamfer) * 2));
}
[dir="ltr"] .row__media { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 2), calc(100% - var(--chamfer) * 2) 100%, 0 100%); }
.row__media img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.row:hover .row__media img { transform: scale(1.04); }
.row__num {
  position: absolute;
  inset-block-end: .1em;
  inset-inline-end: .2em;
  font-size: clamp(4rem, 2.5rem + 5vw, 8rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgb(255 255 255 / .7);
  pointer-events: none;
}
.row__body { display: grid; justify-items: start; gap: 1.1rem; }
.row__icon {
  display: grid;
  place-items: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  background: var(--navy-900);
  color: var(--orange);
}
.row__icon .icon { inline-size: 1.75rem; block-size: 1.75rem; }
.row__title { font-size: var(--fs-h2); }
.row__title a:hover { color: var(--orange-ink); }
.row__text { max-width: 48ch; font-size: var(--fs-lg); color: var(--muted); }
.row__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-block-start: .5rem; }
@media (max-width: 860px) {
  .row { grid-template-columns: 1fr; }
  .row:nth-child(even) .row__media { order: 0; }
  .row__title { font-size: var(--fs-h3); }
}

/* 18.7 Process strip -------------------------------------------------------- */
.strip { position: relative; overflow: hidden; background: var(--blueprint), var(--navy-900); }
.strip__list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
/* the beam the nodes sit on */
.strip__list::before {
  content: "";
  position: absolute;
  inset-block-start: 1.75rem;
  inset-inline: 1.75rem;
  block-size: 2px;
  background: repeating-linear-gradient(var(--toward-end), var(--orange) 0 14px, transparent 14px 22px);
  opacity: .7;
}
.strip__step { position: relative; display: grid; justify-items: start; align-content: start; gap: .6rem; }
.strip__node {
  position: relative;
  display: grid;
  place-items: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  border: 1px solid rgb(255 255 255 / .2);
  background: var(--navy-950);
  color: var(--orange);
  transition: background-color .3s, color .3s;
}
.strip__node .icon { inline-size: 1.6rem; block-size: 1.6rem; }
.strip__step:hover .strip__node { background: var(--orange); color: var(--navy-950); }
.strip__num { margin-block-start: .5rem; font-size: var(--fs-xs); font-weight: 900; color: var(--orange); }
.strip__step h3 { font-size: var(--fs-md); color: var(--white); }
.strip__step p { font-size: var(--fs-sm); line-height: 1.85; color: var(--on-dark-muted); }
@media (max-width: 1080px) {
  .strip__list { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 2.5rem; }
  .strip__list::before { display: none; }
}
@media (max-width: 600px) {
  .strip__list { grid-template-columns: 1fr; row-gap: 0; }
  .strip__step {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    column-gap: 1.25rem;
    padding-block-end: 1.75rem;
  }
  .strip__step::before {
    content: "";
    position: absolute;
    inset-block: 3.5rem 0;
    inset-inline-start: 1.75rem;
    inline-size: 2px;
    background: repeating-linear-gradient(to bottom, var(--orange) 0 10px, transparent 10px 16px);
    opacity: .6;
  }
  .strip__step:last-child::before { display: none; }
  .strip__node { grid-row: span 3; }
  .strip__num { margin: 0; }
  .strip__step h3, .strip__step p, .strip__num { grid-column: 2; }
}

/* 18.8 Spec band (project) -------------------------------------------------- */
.specband { background: var(--navy-950); color: var(--on-dark); border-block-start: 1px solid var(--line-dark); }
.specband__list {
  display: grid;
  grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr));
  margin: 0;
}
.specband__list > div { padding: clamp(1.25rem, 1rem + 1.2vw, 2.25rem) clamp(1rem, .5rem + 1.5vw, 2rem); }
.specband__list > div + div { border-inline-start: 1px solid var(--line-dark); }
.specband dt { display: flex; align-items: center; gap: .5rem; font-size: var(--fs-xs); font-weight: 700; color: var(--on-dark-muted); }
.specband dt .icon { inline-size: 1.1rem; block-size: 1.1rem; color: var(--orange); }
.specband dd {
  margin: .5rem 0 0;
  font-size: clamp(1.25rem, 1rem + 1.2vw, 2.25rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}
.specband dd.is-text { font-size: clamp(1.05rem, .95rem + .6vw, 1.4rem); line-height: 1.5; }
.specband dd small { margin-inline-start: .35em; font-size: .5em; font-weight: 700; color: var(--on-dark-muted); }
@media (max-width: 760px) {
  .specband__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specband__list > div:nth-child(odd) { border-inline-start: 0; padding-inline-start: 0; }
  .specband__list > div:nth-child(n + 3) { border-block-start: 1px solid var(--line-dark); }
}

/* 18.9 Detail layout: content + sticky aside -------------------------------- */
.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
  align-items: start;
  gap: clamp(2rem, 1rem + 4vw, 5.5rem);
}
.detail__main { display: grid; gap: clamp(1.5rem, 1.2rem + 1vw, 2.25rem); min-inline-size: 0; }
.detail__main > .prose { max-width: 46rem; }
.detail__heading {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: var(--fs-h3);
}
.detail__heading::before {
  content: "";
  inline-size: .9rem;
  block-size: .9rem;
  flex-shrink: 0;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}
.detail__main > .detail__heading:not(:first-child) { margin-block-start: 1.5rem; }
.sticky-col { position: sticky; inset-block-start: calc(var(--header-h) + 1.5rem); display: grid; gap: 1.25rem; }
@media (max-width: 960px) {
  .detail { grid-template-columns: 1fr; }
  .sticky-col { position: static; }
}

/* engineering title block */
.sheet {
  border: 1.5px solid var(--navy-900);
  background: var(--white);
  font-size: var(--fs-sm);
}
.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1rem;
  background: var(--navy-900);
  color: var(--white);
  font-weight: 800;
}
.sheet__head img { inline-size: 1.75rem; block-size: auto; filter: brightness(0) invert(1); opacity: .8; }
.sheet__rows { margin: 0; }
.sheet__rows > div {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  border-block-end: 1px solid var(--line);
}
.sheet__rows dt {
  padding: .6rem 1rem;
  border-inline-end: 1px solid var(--line);
  background: var(--paper);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--muted);
}
.sheet__rows dd { margin: 0; padding: .6rem 1rem; font-weight: 700; color: var(--ink); overflow-wrap: anywhere; }
.sheet__rows a { color: var(--orange-ink); text-decoration: underline; text-underline-offset: 4px; }
.sheet__foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem 1rem;
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  background: repeating-linear-gradient(-45deg, transparent 0 6px, rgb(16 28 51 / .04) 6px 12px);
}

/* quote card */
.ask {
  position: relative;
  display: grid;
  justify-items: start;
  gap: .9rem;
  padding: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  border-inline-start: 4px solid var(--orange);
  background: var(--paper-2);
}
.ask__title { font-size: var(--fs-h4); font-weight: 800; color: var(--ink); line-height: 1.5; }
.ask__text { font-size: var(--fs-sm); color: var(--muted); }
.ask__phone { display: inline-flex; align-items: center; gap: .5rem; font-weight: 800; color: var(--ink); }
.ask__phone .icon { inline-size: 1.1rem; block-size: 1.1rem; color: var(--orange-ink); }
.ask__phone + .ask__phone { margin-block-start: -.5rem; }
.ask--dark {
  border: 0;
  background: var(--blueprint), var(--navy-900);
  color: var(--on-dark);
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--chamfer) * 1.6) 100%, 0 calc(100% - var(--chamfer) * 1.6));
}
[dir="ltr"] .ask--dark { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--chamfer) * 1.6), calc(100% - var(--chamfer) * 1.6) 100%, 0 100%); }
.ask--dark .ask__title,
.ask--dark .ask__phone { color: var(--white); }
.ask--dark .ask__text { color: var(--on-dark-muted); }
.ask--dark .ask__phone .icon { color: var(--orange); }
.ask--dark .ask__phone:hover { color: var(--orange); }
.ask__icon {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  background: var(--orange);
  color: var(--navy-950);
}
.ask__icon .icon { inline-size: 1.5rem; block-size: 1.5rem; }

/* side navigation (product lines) */
.side-nav { border: 1px solid var(--line); background: var(--white); }
.side-nav__title { padding: .85rem 1.1rem; border-block-end: 1px solid var(--line); font-size: var(--fs-sm); font-weight: 800; }
.side-nav ul { margin: 0; padding: 0; list-style: none; }
.side-nav li + li { border-block-start: 1px solid var(--line); }
.side-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .8rem 1.1rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  transition: background-color .2s, color .2s;
}
.side-nav a .icon { inline-size: 1.25rem; block-size: 1.25rem; color: var(--muted); }
.side-nav a:hover { background: var(--paper); color: var(--ink); }
.side-nav a[aria-current] { background: var(--navy-900); color: var(--white); }
.side-nav a[aria-current] .icon { color: var(--orange); }
.side-nav a:focus-visible { outline-offset: -3px; }

/* video */
.video {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--navy-950);
}
.video iframe { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; border: 0; }

/* share */
.share { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; }
.share__label { font-size: var(--fs-sm); font-weight: 800; color: var(--ink); }
.share ul { display: flex; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.share a,
.share button {
  display: grid;
  place-items: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--ink-2);
  transition: background-color .2s, border-color .2s, color .2s;
}
.share a:hover,
.share button:hover { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }
.share .icon { inline-size: 1.15rem; block-size: 1.15rem; }
.share__status { font-size: var(--fs-xs); font-weight: 700; color: var(--green); }

/* article extras */
.article__lead { font-size: var(--fs-lg); font-weight: 600; line-height: 1.9; color: var(--ink); padding-inline-start: 1.25rem; border-inline-start: 3px solid var(--orange); }
.article__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block-start: 1.5rem;
  border-block-start: 1px solid var(--line);
}
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.tags a {
  display: inline-block;
  padding: .2rem .8rem;
  border-radius: var(--r-sm);
  background: var(--paper-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--ink-2);
}
.tags a:hover { background: var(--navy-900); color: var(--white); }

.prose-zoom { display: block; cursor: zoom-in; }
.prose-zoom:hover img { opacity: .9; }

.section-head__note { margin-block-end: .4rem; font-size: var(--fs-sm); font-weight: 700; color: var(--muted); }

/* 18.10 Gallery mosaic ---------------------------------------------------- */
.mosaic {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: clamp(9rem, 6rem + 9vw, 15rem);
  grid-auto-flow: dense;
  gap: .75rem;
}
.mosaic__item {
  position: relative;
  overflow: hidden;
  background: var(--navy-900);
  cursor: zoom-in;
}
.mosaic__item.is-big { grid-column: span 2; grid-row: span 2; }
.mosaic__item img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform .9s var(--ease-out), opacity .3s; }
.mosaic__item:hover img { transform: scale(1.05); }
.mosaic__zoom {
  position: absolute;
  inset-block-end: .75rem;
  inset-inline-end: .75rem;
  display: grid;
  place-items: center;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  background: var(--orange);
  color: var(--navy-950);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .25s, transform .35s var(--ease-out);
}
.mosaic__zoom .icon { inline-size: 1.1rem; block-size: 1.1rem; }
.mosaic__item:hover .mosaic__zoom,
.mosaic__item:focus-visible .mosaic__zoom { opacity: 1; transform: none; }
.mosaic__item:focus-visible { outline-offset: -3px; }
.mosaic__more {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgb(11 20 36 / .62);
  color: var(--white);
  font-size: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  font-weight: 900;
}
/* few photos: let them fill the row instead of leaving holes */
.mosaic--1 { grid-template-columns: 1fr; grid-auto-rows: auto; }
.mosaic--1 .mosaic__item { aspect-ratio: 16 / 9; grid-column: auto; grid-row: auto; }
.mosaic--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: auto; }
.mosaic--2 .mosaic__item { aspect-ratio: 4 / 3; grid-column: auto; grid-row: auto; }
.mosaic--3 .mosaic__item:not(.is-big),
.mosaic--4 .mosaic__item:not(.is-big) { grid-column: span 2; }
.mosaic--4 .mosaic__item:nth-child(n + 3) { grid-column: span 1; }
.detail__main .mosaic { grid-auto-rows: clamp(7rem, 5rem + 6vw, 11rem); }
@media (max-width: 700px) {
  .mosaic { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 8.5rem; gap: .5rem; }
  .mosaic .mosaic__item { grid-column: auto; }
  .mosaic .mosaic__item.is-big { grid-column: span 2; grid-row: span 2; }
  .mosaic--1 .mosaic__item.is-big, .mosaic--2 .mosaic__item.is-big { grid-row: auto; }
  .mosaic__zoom { opacity: 1; transform: none; inline-size: 2rem; block-size: 2rem; }
}

/* 18.11 Lightbox ---------------------------------------------------------- */
.lightbox {
  inline-size: 100vw;
  max-inline-size: 100vw;
  block-size: 100dvh;
  max-block-size: 100dvh;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgb(6 11 20 / .96);
  color: var(--white);
  overscroll-behavior: contain;
}
.lightbox[open] { display: grid; grid-template-rows: minmax(0, 1fr) auto; }
.lightbox::backdrop { background: rgb(6 11 20 / .7); }
.lightbox__stage {
  position: relative;
  display: grid;
  place-items: center;
  min-block-size: 0;
  padding: clamp(.75rem, .5rem + 2vw, 2.5rem) clamp(.5rem, .25rem + 3vw, 4rem) .5rem;
  touch-action: pan-y pinch-zoom;
}
.lightbox__figure { display: grid; justify-items: center; gap: .75rem; max-block-size: 100%; margin: 0; min-block-size: 0; }
.lightbox__img {
  max-inline-size: 100%;
  max-block-size: calc(100dvh - 8.5rem);
  inline-size: auto;
  block-size: auto;
  object-fit: contain;
  box-shadow: 0 20px 60px rgb(0 0 0 / .5);
  transition: opacity .25s, transform .35s var(--ease-out);
}
.lightbox.is-loading .lightbox__img { opacity: .25; }
.lightbox__img.is-from-next { transform: translateX(calc(var(--dir, 1) * -24px)); }
.lightbox__img.is-from-prev { transform: translateX(calc(var(--dir, 1) * 24px)); }
.lightbox__caption { max-inline-size: 60ch; font-size: var(--fs-sm); color: var(--on-dark-muted); text-align: center; }
.lightbox__caption:empty { display: none; }
.lightbox__spinner {
  position: absolute;
  inset: 50% auto auto 50%;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  margin: -1.25rem;
  border: 3px solid rgb(255 255 255 / .2);
  border-block-start-color: var(--orange);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}
.lightbox.is-loading .lightbox__spinner { opacity: 1; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem var(--gutter) calc(.75rem + env(safe-area-inset-bottom, 0px));
  border-block-start: 1px solid var(--line-dark);
}
.lightbox__count { min-inline-size: 5rem; font-size: var(--fs-sm); font-weight: 800; font-variant-numeric: tabular-nums; }
.lightbox__nav { display: flex; gap: .5rem; }
.lightbox__btn {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  padding: 0;
  border: 1px solid rgb(255 255 255 / .25);
  border-radius: 50%;
  background: transparent;
  color: var(--white);
  transition: background-color .2s, border-color .2s, color .2s;
}
.lightbox__btn:hover { background: var(--orange); border-color: var(--orange); color: var(--navy-950); }
.lightbox__btn:disabled { opacity: .3; pointer-events: none; }
.lightbox__btn .icon { inline-size: 1.25rem; block-size: 1.25rem; }
.lightbox .icon--prev { transform: scaleX(-1); }
[dir="ltr"] .lightbox .icon--prev { transform: none; }
body.has-lightbox { overflow: hidden; }

/* 18.12 Previous / next project ------------------------------------------- */
.pager { border-block: 1px solid var(--line); background: var(--white); }
.pager__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding-inline: 0; }
.pager__item {
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: end;
  gap: .35rem;
  min-block-size: clamp(9rem, 7rem + 6vw, 13rem);
  padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem) var(--gutter);
  overflow: hidden;
  color: var(--ink);
}
.pager__item + .pager__item,
.pager__item.is-empty + .pager__item { border-inline-start: 1px solid var(--line); }
.pager__next { text-align: end; }
.pager__item img {
  position: absolute;
  inset: 0;
  z-index: -2;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity .5s, transform 1s var(--ease-out);
}
.pager__item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgb(11 20 36 / .9), rgb(11 20 36 / .4));
  opacity: 0;
  transition: opacity .5s;
}
.pager__item:hover,
.pager__item:focus-visible { color: var(--white); }
.pager__item:hover img,
.pager__item:focus-visible img { opacity: 1; transform: none; }
.pager__item:hover::before,
.pager__item:focus-visible::before { opacity: 1; }
.pager__item:focus-visible { outline-offset: -3px; }
.pager__label { font-size: var(--fs-xs); font-weight: 800; color: var(--orange-ink); }
.pager__item:hover .pager__label,
.pager__item:focus-visible .pager__label { color: var(--orange); }
.pager__title { font-size: var(--fs-h4); font-weight: 800; line-height: 1.5; }
@media (max-width: 600px) {
  .pager__grid { grid-template-columns: 1fr; }
  .pager__item + .pager__item { border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .pager__item.is-empty { display: none; }
  .pager__next { text-align: start; }
}

/* صفحه تیم: ul.team داخل محتوای برگه (عکس، نام، سمت) */
.prose ul.team { list-style: none; padding: 0; margin-inline: 0; display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); }
.prose ul.team li { margin: 0; text-align: center; }
.prose ul.team img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; margin-block-end: .75rem; clip-path: polygon(0 0, calc(100% - 1.25rem) 0, 100% 1.25rem, 100% 100%, 1.25rem 100%, 0 calc(100% - 1.25rem)); background: var(--paper-2, #eef1f5); }
.prose ul.team strong { display: block; color: var(--ink); }
.prose ul.team span { display: block; font-size: var(--fs-sm, .875rem); color: var(--ink-3, var(--ink-2)); }