/* ==========================================================================
   Syncro Access Systems: main stylesheet
   Design base: accesso-flow.com (deep navy sections, Syne headings + Inter text,
   10px cards with soft 60px shadows, radial-gradient card headers).
   Colours come from four switchable themes: Evergreen, Ember, Syncro and Navy (below).
   ========================================================================== */

/* ---------- Fonts ----------
   Self-hosted (no requests to Google): Syne (headings) and Inter (text), variable woff2, Latin + Latin Extended
   (Romanian ș ț ă î â). Licences: assets/fonts/OFL-*.txt */
@font-face {
  font-family: "Syne";
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url("../fonts/syne-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Syne";
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url("../fonts/syne-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Colour themes ----------
   Four palettes, chosen with <html data-theme="evergreen|ember|syncro|navy"> (switch in main.js).
   Components use only these semantic tokens, never raw colour values.
   Dark areas (selector list after the themes) swap the CTA tokens for their on-dark variants. */

/* Evergreen (default): Clarity #f4feff · Serenity #bbd7db · Horizon #3c617e
   Evergreen #2a5039 · Depth #264559 · Anchor #101a24 */
:root {
  --darkest: #101a24;
  --primary: #264559;
  --primary-hover: #3c617e;

  --ink: #101a24;
  --text: #3e5260;
  --muted: #5f7380;
  --line: #d3e4e7;
  --surface: #e7f2f3;
  --bg: #f4feff;
  --card: #fff;
  --field-bg: #f9feff;
  --field-line: #c3d9dd;

  --link: #3c617e;
  --accent: #2a5039;
  --accent-on-dark: #6fa883;
  --highlight: #bbd7db;
  --on-accent-soft: #d3e6d9;
  --alert: #f0a39b;
  --danger: #b3362f;

  --cta: #2a5039;
  --cta-hover: #1d3a29;
  --on-cta: #fff;
  --cta-dark: #bbd7db;
  --cta-dark-hover: #d6e8eb;
  --on-cta-dark: #101a24;

  --on-dark: #c8dadd;
  --on-dark-soft: #a3bac0;
  --on-dark-muted: #8199a2;
  --focus: #5b87a3;
  --focus-border: #3c617e;

  --glow-1: rgba(60, 97, 126, .6);
  --glow-2: rgba(42, 80, 57, .5);
  --grad-primary: radial-gradient(at top center, #3c617e 0%, #172a38 100%);
  --grad-accent: radial-gradient(at top center, #3f7353 0%, #1b3526 100%);
  --grad-steel: radial-gradient(at top left, #5a8099 0%, #264559 100%);
  --grad-deep: radial-gradient(at bottom right, #264559 0%, #101a24 100%);
  --grad-alt: radial-gradient(at top center, #5d8a99 0%, #264559 100%);
}

/* Ember: Palladian #eee9df · Oatmeal #c9c1b1 · Blue Fantastic #2c3b4d
   Burning Flame #ffb162 · Truffle Trouble #a35139 · Abyssal Anchorfish Blue #1b2632 */
:root[data-theme="ember"] {
  --darkest: #1b2632;
  --primary: #2c3b4d;
  --primary-hover: #3e5269;

  --ink: #1b2632;
  --text: #4a4e53;
  --muted: #655f55;
  --line: #d8d0c1;
  --surface: #e4ddcf;
  --bg: #eee9df;
  --card: #faf8f4;
  --field-bg: #fcfaf7;
  --field-line: #d3cbbb;

  --link: #9c4b34;
  --accent: #9c4b34;
  --accent-on-dark: #c4683f;
  --highlight: #ffb162;
  --on-accent-soft: #f9e0d2;
  --alert: #ef8a63;
  --danger: #b23a2a;

  --cta: #ffb162;
  --cta-hover: #f59a3e;
  --on-cta: #1b2632;
  --cta-dark: #ffb162;
  --cta-dark-hover: #ffc485;
  --on-cta-dark: #1b2632;

  --on-dark: #d9d2c4;
  --on-dark-soft: #b8b0a1;
  --on-dark-muted: #958e81;
  --focus: #c4683f;
  --focus-border: #a35139;

  --glow-1: rgba(62, 82, 105, .75);
  --glow-2: rgba(255, 177, 98, .22);
  --grad-primary: radial-gradient(at top center, #3e5269 0%, #1b2632 100%);
  --grad-accent: radial-gradient(at top center, #d77a4c 0%, #a35139 55%, #7f3c2a 100%);
  --grad-steel: radial-gradient(at top left, #52677f 0%, #2c3b4d 100%);
  --grad-deep: radial-gradient(at bottom right, #2c3b4d 0%, #1b2632 100%);
  --grad-alt: radial-gradient(at top center, #5f7894 0%, #2c3b4d 100%);
}

/* Syncro: the original logo palette: navy #0b1a2c · #10233b · shield blue #1a72b8
   wordmark blue #0d457f · sky #8fd0ff · logo red #c8202a */
:root[data-theme="syncro"] {
  --darkest: #0b1a2c;
  --primary: #10233b;
  --primary-hover: #0d457f;

  --ink: #10233b;
  --text: #4a586b;
  --muted: #6b7686;
  --line: #e2e7ee;
  --surface: #f3f6fa;
  --bg: #fff;
  --card: #fff;
  --field-bg: #fbfcfe;
  --field-line: #d5dce6;

  --link: #135a9e;
  --accent: #c8202a;
  --accent-on-dark: #c8202a;
  --highlight: #8fd0ff;
  --on-accent-soft: #fde3e4;
  --alert: #ff8a8f;
  --danger: #c8202a;

  --cta: #c8202a;
  --cta-hover: #a3161e;
  --on-cta: #fff;
  --cta-dark: #c8202a;
  --cta-dark-hover: #e3373f;
  --on-cta-dark: #fff;

  --on-dark: #c5d0de;
  --on-dark-soft: #aab6c6;
  --on-dark-muted: #8e9cb0;
  --focus: #8fd0ff;
  --focus-border: #1a72b8;

  --glow-1: rgba(26, 114, 184, .45);
  --glow-2: rgba(200, 32, 42, .16);
  --grad-primary: radial-gradient(at top center, #1a72b8 0%, #10233b 100%);
  --grad-accent: radial-gradient(at top center, #e3373f 0%, #a3161e 100%);
  --grad-steel: radial-gradient(at top left, #3f6f9e 0%, #16304f 100%);
  --grad-deep: radial-gradient(at bottom right, #1e3f66 0%, #0b1a2c 100%);
  --grad-alt: radial-gradient(at top center, #3a8fc9 0%, #0d457f 100%);
}

/* Navy: Deep Navy Blue #0f223a · Muted Blue #2f466f · Warm Grey #edeae6 · Charcoal #1c1c1c */
:root[data-theme="navy"] {
  --darkest: #0f223a;
  --primary: #2f466f;
  --primary-hover: #243858;

  --ink: #1c1c1c;
  --text: #3d3f43;
  --muted: #625f5b;
  --line: #dcd7d0;
  --surface: #e4e0da;
  --bg: #edeae6;
  --card: #f7f5f2;
  --field-bg: #faf8f6;
  --field-line: #d6d0c8;

  --link: #2f466f;
  --accent: #2f466f;
  --accent-on-dark: #8ea3c4;
  --highlight: #a9b8d0;
  --on-accent-soft: #dfe5ef;
  --alert: #e8a598;
  --danger: #b23a2a;

  --cta: #2f466f;
  --cta-hover: #243858;
  --on-cta: #fff;
  --cta-dark: #edeae6;
  --cta-dark-hover: #fff;
  --on-cta-dark: #0f223a;

  --on-dark: #d9dde5;
  --on-dark-soft: #b3bccb;
  --on-dark-muted: #8d98ab;
  --focus: #8ea3c4;
  --focus-border: #2f466f;

  --glow-1: rgba(47, 70, 111, .75);
  --glow-2: rgba(237, 234, 230, .08);
  --grad-primary: radial-gradient(at top center, #2f466f 0%, #0f223a 100%);
  --grad-accent: radial-gradient(at top center, #3a3a3a 0%, #1c1c1c 100%);
  --grad-steel: radial-gradient(at top left, #4a6189 0%, #2f466f 100%);
  --grad-deep: radial-gradient(at bottom right, #2f466f 0%, #0f223a 100%);
  --grad-alt: radial-gradient(at top center, #5a6f94 0%, #2f466f 100%);
}

.topbar, .bg-tech, .section--dark, .cta-band, .support-card, .site-footer {
  --cta: var(--cta-dark);
  --cta-hover: var(--cta-dark-hover);
  --on-cta: var(--on-cta-dark);
}

:root {
  --font-head: "Syne", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 0 60px rgba(0, 0, 0, .1);
  --shadow-sm: 0 8px 24px color-mix(in srgb, var(--darkest) 8%, transparent);
  --shadow-lift: 0 30px 60px -20px color-mix(in srgb, var(--darkest) 30%, transparent);
  --focus-ring: 0 0 0 4px color-mix(in srgb, var(--focus-border) 18%, transparent);

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 76px;
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}
:root:has(.cat-nav) { scroll-padding-top: calc(var(--header-h) + 84px); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.nav-open { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}
h1, h2, .h2, .display { font-weight: 700; } /* titles: Syne Bold; smaller headings stay SemiBold */

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

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--cta);
  color: var(--on-cta);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Icons (sprite injected by main.js) */
.i {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Typography ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1.1rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  line-height: 1;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--light { color: var(--highlight); }

.display {
  font-size: clamp(2.4rem, 1.3rem + 4vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -1px;
}
.h2 {
  font-size: clamp(1.9rem, 1.25rem + 2.2vw, 3rem);
  letter-spacing: -.5px;
}
.lead {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 1rem + .5vw, 1.35rem);
  font-weight: 600;
  line-height: 1.45;
}

.hl { color: var(--highlight); white-space: nowrap; }

/* ---------- Buttons & links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: 15px 28px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.1;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s;
}
.btn .i { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .i--arrow { transform: translateX(3px); }

.btn--accent { background: var(--cta); color: var(--on-cta); box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--cta) 65%, transparent); }
.btn--accent:hover { background: var(--cta-hover); }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); }
.btn--ghost { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn--outline { border-color: var(--line); background: var(--card); color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); }
.btn--sm { padding: 11px 18px; font-size: 13px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--link);
}
.link-arrow .i { width: 18px; height: 18px; transition: transform .2s; }
.link-arrow:hover .i, a:hover > .link-arrow .i, a:hover .link-arrow .i { transform: translateX(4px); }

/* ---------- Top bar ---------- */

.topbar { background: var(--darkest); color: var(--on-dark-soft); font-size: 13px; }
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  min-height: 40px;
}

.topbar__right { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px 14px; }
.lang { display: flex; gap: 2px; padding: 3px; border-radius: 999px; background: rgba(255, 255, 255, .06); }
.lang a {
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--on-dark-soft);
  transition: background-color .2s, color .2s;
}
.lang a:hover { color: #fff; }
.lang a[aria-current] { background: var(--cta); color: var(--on-cta); }

.social { display: flex; gap: 6px; }
.social a {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  transition: background-color .2s, color .2s;
}
.social a:hover { background: var(--cta); color: var(--on-cta); }
.social .i { width: 15px; height: 15px; }

@media (max-width: 560px) {
  .topbar .social { display: none; } /* also in the footer */
  .topbar .container, .topbar__right { justify-content: center; }
  .topbar .container { padding-block: 6px; }
}

/* Theme switch (added to the top bar by main.js) */
.theme-switch { display: flex; gap: 2px; padding: 3px; border-radius: 999px; background: rgba(255, 255, 255, .06); }
.theme-switch button {
  display: grid;
  place-items: center;
  width: 28px;
  height: 20px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: none;
  transition: background-color .2s;
}
.theme-switch button:hover { background: rgba(255, 255, 255, .1); }
.theme-switch button[aria-pressed="true"] { background: rgba(255, 255, 255, .18); }
.swatch { width: 14px; height: 14px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(255, 255, 255, .4); }
/* Fixed palette previews, so each swatch shows its own theme whichever is active */
.swatch--evergreen { background: conic-gradient(#bbd7db 0 33%, #3c617e 0 66%, #2a5039 0); }
.swatch--ember { background: conic-gradient(#eee9df 0 33%, #ffb162 0 66%, #a35139 0); }
.swatch--syncro { background: conic-gradient(#8fd0ff 0 33%, #1a72b8 0 66%, #c8202a 0); }
.swatch--navy { background: conic-gradient(#edeae6 0 33%, #2f466f 0 66%, #0f223a 0); }
.layout-switch .i { width: 14px; height: 14px; color: var(--on-dark-soft); }
.layout-switch button[aria-pressed="true"] .i { color: #fff; }

/* ---------- Layouts ----------
   <html data-layout="single"> (default): everything on the long home page.
   <html data-layout="multi">: About and Services have their own pages and menu buttons; the home
   page shows the hero (with one button per section), the value cards and the call to action. */
:root:not([data-layout="multi"]) .only-multi { display: none !important; }
[data-layout="multi"] .only-single { display: none !important; }
[data-layout="multi"] .home-cta { padding-top: clamp(4rem, 3rem + 4vw, 7rem); }
@media (min-width: 1101px) {
  /* seven menu items instead of five */
  [data-layout="multi"] .nav__link { padding: 10px; font-size: 14px; letter-spacing: .03em; }
}
@media (min-width: 1101px) and (max-width: 1240px) {
  [data-layout="multi"] .nav__link { padding-inline: 8px; font-size: 13px; letter-spacing: .02em; }
  [data-layout="multi"] .nav__home { display: none; } /* the logo links home */
}

/* ---------- Header & navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 97%, transparent);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s;
}
@supports (backdrop-filter: blur(1px)) {
  .site-header { background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: saturate(1.4) blur(12px); }
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 30px -14px color-mix(in srgb, var(--darkest) 20%, transparent); }
.site-header > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand__logo { width: auto; height: 46px; }

.nav { display: flex; align-items: center; gap: .75rem; }
.nav__list { display: flex; align-items: center; gap: .15rem; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 13px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ink);
}
.nav__link { transition: color .2s; }
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--link); }

.has-dropdown { position: relative; display: flex; align-items: center; }
.has-dropdown > .nav__link { padding-right: 4px; }
.dd-toggle {
  display: grid;
  place-items: center;
  width: 28px;
  height: 36px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
}
.dd-toggle .i { width: 16px; height: 16px; transition: transform .2s; }
.has-dropdown.is-open .dd-toggle .i { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  width: 580px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow), 0 24px 48px -24px color-mix(in srgb, var(--darkest) 30%, transparent);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown,
.has-dropdown.is-open .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.dropdown a {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 8px;
  transition: background-color .15s;
}
.dropdown a:hover { background: var(--surface); }
.dropdown__num {
  flex: none;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--accent);
  padding-top: 3px;
}
.dropdown strong { display: block; font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--ink); }
.dropdown small { display: block; font-size: 13px; line-height: 1.4; color: var(--muted); }

.nav-toggle {
  display: none;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
}
.nav-toggle .i { width: 22px; height: 22px; }
.nav-toggle .i--close { display: none; }
.nav-toggle[aria-expanded="true"] .i--menu { display: none; }
.nav-toggle[aria-expanded="true"] .i--close { display: block; }

@media (max-width: 1100px) {
  /* backdrop-filter would make the header the containing block of the fixed menu panel */
  .site-header { background: var(--bg); backdrop-filter: none; }
  .nav-toggle { display: grid; }
  .nav {
    position: fixed;
    top: var(--nav-top, var(--header-h));
    left: 0; right: 0; bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 32px;
    overflow-y: auto;
    background: var(--bg);
    border-top: 1px solid var(--line);
    /* Fade + slide down rather than sliding in from the side, so the hidden
       panel never widens the page and causes sideways scrolling on phones. */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list > li { border-bottom: 1px solid var(--line); }
  .nav__link { width: 100%; padding: 16px 2px; font-size: 17px; }
  .has-dropdown { flex-wrap: wrap; }
  .has-dropdown > .nav__link { flex: 1; width: auto; }
  .dd-toggle { width: 48px; height: 48px; }
  .has-dropdown .dropdown,
  .has-dropdown:hover .dropdown,
  .has-dropdown:focus-within .dropdown,
  .has-dropdown.is-open .dropdown {
    position: static;
    display: none;
    flex-basis: 100%;
    grid-template-columns: 1fr;
    width: auto;
    padding: 0 0 12px;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .has-dropdown.is-open .dropdown { display: grid; }
  .dropdown::before { display: none; }
  .nav__cta { margin-top: 24px; padding-block: 16px; }
}

@media (max-width: 420px) {
  .brand__logo { height: 38px; }
}
@media (max-width: 359px) {
  .brand__logo { height: 32px; }
}

/* ---------- Dark technical backgrounds ---------- */

.bg-tech { position: relative; isolation: isolate; overflow: hidden; background: var(--darkest); color: var(--on-dark); }
.bg-tech::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(55% 70% at 80% 25%, var(--glow-1), transparent 70%),
    radial-gradient(40% 55% at 5% 100%, var(--glow-2), transparent 70%);
}

/* ---------- Hero (home) ---------- */

.hero { padding: clamp(4rem, 3rem + 5vw, 7em) 0 clamp(9rem, 7rem + 6vw, 12rem); }
.hero__content { max-width: 760px; }
.hero h1 { color: #fff; }
.hero__lead { max-width: 560px; margin: 1.4rem 0 2.2rem; color: var(--on-dark); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2.6rem; }
.hero__tags li {
  padding: 6px 13px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  font-size: 13px;
  color: var(--on-dark-soft);
}

/* ---------- Values (overlapping the hero) ---------- */

.values { position: relative; z-index: 2; margin-top: calc(-1 * clamp(5.5rem, 4.5rem + 3vw, 7.5rem)); }
.values__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}
.value-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 21px 24px;
  background: var(--grad-primary);
  color: #fff;
}
.value-card:nth-child(even) .value-card__top { background: var(--grad-accent); }
.value-card__top h3 { margin: 0; font-size: 20px; font-weight: 600; color: #fff; }
.value-card__body { padding: 21px 24px 26px; font-size: 15px; }
.value-card__body p { margin: 0; }

@media (max-width: 1000px) { .values__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .values__grid { grid-template-columns: 1fr; } }

/* ---------- Sections ---------- */

.section { padding-block: clamp(4rem, 3rem + 4vw, 7rem); }
.section--surface { background: var(--surface); }
.section--dark { background: var(--primary); color: var(--on-dark); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--flush-top { padding-top: 0; }

.section-head { max-width: 720px; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.section-head p:last-child { margin-bottom: 0; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 3rem;
  max-width: none;
}
.section-head--split > div { max-width: 680px; }
.section-head--split h2 { margin-bottom: 0; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 1000px) { .cards-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards-3 { grid-template-columns: 1fr; } }

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.about__media { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.media-tile {
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--grad-primary);
  box-shadow: var(--shadow);
}
.media-tile img { width: 100%; }
.media-tile--a { min-height: 340px; }
.media-tile--b { min-height: 400px; margin-top: 64px; background: var(--grad-deep); }
.checklist { margin: 1.5rem 0 2rem; padding-left: 1.2em; list-style: disc; }
.checklist li { padding: 4px 0; }
.checklist li::marker { color: var(--accent); }

@media (max-width: 980px) {
  .about { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .media-tile--a { min-height: 220px; }
  .media-tile--b { min-height: 260px; margin-top: 40px; }
}

/* ---------- Product cards ---------- */

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.product-card__media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 2;
  padding: 26px 32px 8px;
  background: var(--grad-primary);
}
.product-card:nth-child(3n+2) .product-card__media { background: var(--grad-steel); }
.product-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s; }
.product-card:hover .product-card__media img { transform: scale(1.04); }
.card-num {
  position: absolute;
  top: 14px;
  left: 16px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .6);
  font-weight: 600;
}
.product-card__body { display: flex; flex: 1; flex-direction: column; padding: 24px 26px 28px; }
.product-card__body h3 { font-size: 22px; }
.product-card__body p { flex: 1; font-size: 15px; }

/* ---------- Services (dark) ---------- */

.services {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.services__intro { position: sticky; top: calc(var(--header-h) + 32px); }
.services__intro > p { color: var(--on-dark-soft); }
.services__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.service {
  padding: 2em;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .02);
  transition: border-color .25s, background-color .25s;
}
.service:hover { border-color: color-mix(in srgb, var(--highlight) 45%, transparent); background: rgba(255, 255, 255, .04); }
.service h3 { font-size: 20px; font-weight: 600; }
.service p { margin: 0; font-size: 15px; color: var(--on-dark-soft); }
.services__grid--page .service { border-color: var(--line); background: var(--card); }
.services__grid--page .service:hover { border-color: transparent; background: var(--card); box-shadow: var(--shadow); }
.services__grid--page .service p { color: var(--text); }

.icon-badge {
  display: grid;
  place-items: center;
  flex: none;
  width: 56px;
  height: 56px;
  margin-bottom: 1.25rem;
  border-radius: 50%;
  background: var(--cta);
  color: var(--on-cta);
}
.icon-badge .i { width: 26px; height: 26px; }
.icon-badge--blue { background: var(--grad-primary); }

.pill-list { display: flex; flex-wrap: wrap; gap: 8px; }
.pill-list li {
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  font-size: 14px;
  color: var(--on-dark);
}
.services__partners { margin: 2rem 0 .9rem; font-family: var(--font-head); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-muted); font-weight: 600; }

@media (max-width: 980px) {
  .services { grid-template-columns: 1fr; }
  .services__intro { position: static; }
}
@media (max-width: 560px) { .services__grid { grid-template-columns: 1fr; } }

/* ---------- Project cards ---------- */

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.project-card[hidden] { display: none; }
.project-card__media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  padding: 34px 48px 10px;
  background: var(--grad-primary);
}
/* Swap the illustration for a real photo: <img class="photo" src="..."> fills the frame. */
.project-card__media img { width: 100%; height: 100%; object-fit: contain; }
.project-card__media img.photo { position: absolute; inset: 0; object-fit: cover; }
.media--steel { background: var(--grad-steel); }
.media--deep { background: var(--grad-deep); }
.media--red { background: var(--grad-accent); }

.sector-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  padding: 6px 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 95%, transparent);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
}
.project-card__body { display: flex; flex: 1; flex-direction: column; padding: 22px 24px 26px; }
.project-card__body h3 { font-size: 20px; }
.project-card__body p { font-size: 15px; }
.project-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
.project-meta span { display: inline-flex; align-items: center; gap: 6px; }
.project-meta .i { width: 15px; height: 15px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 14px; }
.chip {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12.5px;
  line-height: 1.3;
  color: var(--ink);
}

/* ---------- CTA band ---------- */

.cta-band {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  overflow: hidden;
  padding: clamp(2rem, 1.25rem + 3.5vw, 4rem);
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  color: var(--on-dark);
}
.cta-band > div:first-child { max-width: 640px; }
.cta-band h2 { margin-bottom: .4em; color: #fff; }
.cta-band p { margin: 0; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Page hero (inner pages) ---------- */

.page-hero { padding: clamp(3.5rem, 2.5rem + 4vw, 6rem) 0 clamp(3.5rem, 2.5rem + 4vw, 5.5rem); }
.page-hero .container { position: relative; }
.page-hero__content { position: relative; z-index: 1; max-width: 680px; }
.page-hero h1 {
  font-size: clamp(2.4rem, 1.5rem + 3.2vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -1px;
  color: #fff;
}
.page-hero .lead { margin: 0; color: var(--on-dark); }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }

.page-hero__meta { margin: 1rem 0 0; font-size: 14px; color: var(--on-dark-muted); }

/* Long text (privacy policy) */
.prose { max-width: 760px; }
.prose h2 { margin: 2.2em 0 .6em; font-size: clamp(1.3rem, 1.1rem + .6vw, 1.6rem); }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose ul { margin: 0 0 1em; }
.prose ul { padding-left: 1.3em; list-style: disc; }
.prose li + li { margin-top: .4em; }
.prose li::marker { color: var(--accent); }
.prose a { color: var(--link); font-weight: 600; }
.prose strong { color: var(--ink); }
.prose code { padding: 1px 5px; border-radius: 4px; background: var(--surface); font-size: .9em; }

/* 404 page */
.notfound { display: flex; align-items: center; min-height: 100vh; }
.notfound__logo { width: 280px; height: auto; margin-bottom: 2.5rem; }
.notfound .lead + .lead { margin-top: .6rem; }
.notfound__en { color: var(--on-dark-muted); }
.page-hero__art {
  position: absolute;
  right: var(--gutter);
  bottom: -40px;
  width: min(440px, 38vw);
  opacity: .5;
  pointer-events: none;
}
@media (max-width: 860px) { .page-hero__art { display: none; } }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1.4rem; font-size: 13px; color: var(--on-dark-muted); }
.breadcrumb a:hover { color: #fff; }

/* ---------- Products page ---------- */

.cat-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.cat-nav ul {
  display: flex;
  gap: 4px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-nav ul::-webkit-scrollbar { display: none; }
.cat-nav a {
  display: block;
  padding: 9px 16px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--text);
  transition: background-color .2s, color .2s;
}
.cat-nav a:hover { background: var(--surface); color: var(--ink); }
.cat-nav a.is-active { background: var(--primary); color: #fff; }

.category { padding-block: clamp(3.5rem, 2.75rem + 3vw, 6rem); }
.category:nth-child(even) { background: var(--surface); }
.category__intro {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}
.category:nth-child(even) .category__art { order: -1; }
.category__art {
  padding: 30px 38px 10px;
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  box-shadow: var(--shadow);
}
.category:nth-child(even) .category__art { background: var(--grad-steel); }
.category__art img { width: 100%; }

.features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin-top: 1.5rem; }
.features li { display: flex; gap: 10px; font-size: 15px; line-height: 1.5; }
.features .i { width: 18px; height: 18px; margin-top: 2px; color: var(--accent); }

.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.model {
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.model:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-3px); }
.model__code { margin-bottom: 6px; font-family: var(--font-head); font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.model h3 { margin-bottom: .4em; font-size: 21px; }
.model > p { font-size: 14.5px; }
.specs { margin: 4px 0 22px; border-top: 1px solid var(--line); font-size: 14px; }
.specs div { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; text-align: right; font-weight: 500; color: var(--ink); }
.model__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.model__actions .btn { flex: 1; }
.models--4 { grid-template-columns: repeat(4, 1fr); }
.models--4 .model { padding: 24px 22px; }
@media (max-width: 1100px) { .models--4 { grid-template-columns: repeat(2, 1fr); } }

/* Solutions page: one section per division */
.categories .category__intro { margin-bottom: 0; }
.category .checklist { margin: 1.2rem 0 0; }
.category__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.8rem; }

/* Smoke ventilation page: how the system works */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { padding: 26px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.step__num { display: block; margin-bottom: 12px; font-family: var(--font-head); font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--accent); }
.step h3 { margin-bottom: .4em; font-size: 20px; }
.step p { margin: 0; font-size: 15px; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } }

@media (max-width: 1000px) {
  .category__intro { grid-template-columns: 1fr; }
  .category:nth-child(even) .category__art { order: 0; }
  .category__art { max-width: 560px; }
  .models { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .models, .features, .models--4 { grid-template-columns: 1fr; }
}

/* ---------- Filters (docs + projects) ---------- */

.filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--text);
  transition: background-color .2s, border-color .2s, color .2s;
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn[aria-pressed="true"] { border-color: var(--primary); background: var(--primary); color: #fff; }
.filter-btn .count {
  min-width: 22px;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  color: var(--muted);
}
.filter-btn[aria-pressed="true"] .count { background: rgba(255, 255, 255, .15); color: #fff; }

/* ---------- Documentation page ---------- */

.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: clamp(3rem, 2rem + 3vw, 5rem); }
.audience-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 0;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  text-align: left;
  font-size: 15px;
  color: var(--text);
  transition: transform .25s, box-shadow .25s;
}
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.audience-card h3 { font-size: 20px; }
.audience-card p { flex: 1; }
@media (max-width: 900px) { .audience { grid-template-columns: 1fr; } }

.doc-layout { display: grid; grid-template-columns: 290px 1fr; gap: 32px; align-items: start; }
.doc-filters {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.filter-group + .filter-group { margin-top: 24px; }
.filter-group h3 { margin-bottom: 12px; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.doc-filters .filter-btn { font-size: 13.5px; padding: 8px 13px; }

.search { position: relative; }
.search .i { position: absolute; left: 16px; top: 50%; width: 19px; height: 19px; color: var(--muted); transform: translateY(-50%); pointer-events: none; }
.search input {
  width: 100%;
  padding: 15px 16px 15px 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  font-size: 15.5px;
  transition: border-color .2s, box-shadow .2s;
}
.search input:focus { outline: none; border-color: var(--focus-border); box-shadow: var(--focus-ring); }

.doc-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin: 18px 0 14px; font-size: 14px; color: var(--muted); }
.doc-toolbar button { padding: 0; border: 0; background: none; font-size: 14px; font-weight: 500; color: var(--link); }
.doc-toolbar button:hover { color: var(--ink); }

.doc-list { display: grid; gap: 10px; }
.doc {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  transition: border-color .2s, box-shadow .2s;
}
.doc:hover { border-color: transparent; box-shadow: var(--shadow-sm), 0 0 0 1px var(--line); }
.doc__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 10px; background: var(--grad-primary); color: #fff; }
.doc__icon .i { width: 22px; height: 22px; }
.doc__icon--install { background: var(--grad-steel); }
.doc__icon--user { background: var(--grad-deep); }
.doc__icon--cad { background: var(--grad-alt); }
.doc__icon--cert { background: var(--grad-accent); }
.doc__title { font-family: var(--font-head); font-weight: 600; font-size: 17px; line-height: 1.3; color: var(--ink); }
.doc__meta { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 4px; font-size: 13px; color: var(--muted); }
.doc__type { font-weight: 500; color: var(--accent); }

.empty-state { padding: 48px 24px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; color: var(--muted); }
.empty-state strong { display: block; margin-bottom: 4px; font-family: var(--font-head); font-size: 18px; color: var(--ink); font-weight: 600; }

@media (max-width: 960px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-filters { position: static; }
}
@media (max-width: 560px) {
  .doc { grid-template-columns: auto 1fr; padding: 16px; }
  .doc__dl { grid-column: 1 / -1; }
  .doc__dl .btn { width: 100%; }
}

.faq { display: grid; gap: 12px; max-width: 860px; margin-inline: auto; }
.faq details { padding: 0 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.faq details[open] { box-shadow: var(--shadow-sm); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .i { color: var(--accent); transition: transform .25s; }
.faq details[open] summary .i { transform: rotate(180deg); }
.faq details p { margin: 0; padding-bottom: 22px; }
.faq details a { color: var(--link); font-weight: 600; }

/* ---------- Projects page ---------- */

.featured-project {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  overflow: hidden;
  margin-bottom: clamp(3rem, 2rem + 3vw, 5rem);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
}
.featured-project__media { position: relative; display: grid; place-items: center; min-height: 380px; padding: 48px; background: var(--grad-primary); }
.featured-project__media img { width: 100%; max-width: 480px; }
.featured-project__body { padding: clamp(1.75rem, 1rem + 3vw, 3.5rem); }
.featured-project__body h2 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem); }
.case-steps { display: grid; gap: 16px; margin: 1.5rem 0; }
.case-steps h3 { margin-bottom: 4px; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.case-steps p { margin: 0; font-size: 15px; }
@media (max-width: 900px) {
  .featured-project { grid-template-columns: 1fr; }
  .featured-project__media { min-height: 260px; }
}

.projects-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.projects-toolbar h2 { margin: 0; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }

/* ---------- Contact page ---------- */

.contact-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 32px; align-items: start; }
.form-card { padding: clamp(1.5rem, 1rem + 2.5vw, 3rem); border-radius: var(--radius-lg); background: var(--card); box-shadow: var(--shadow); }
.form-card h2 { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin-top: 1.75rem; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label, .field legend {
  padding: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: .02em;
  color: var(--ink);
}
.req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--field-line);
  border-radius: var(--radius-sm);
  background: var(--field-bg);
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--focus-border);
  background: var(--card);
  box-shadow: var(--focus-ring);
}
.field__error { display: none; font-size: 13px; color: var(--danger); }
.is-invalid input, .is-invalid select, .is-invalid textarea { border-color: var(--danger); }
.is-invalid .field__error { display: block; }

fieldset.field { margin: 0; padding: 0; border: 0; }
.radio-chips { position: relative; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.radio-chips input { position: absolute; top: 0; left: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.radio-chips label {
  padding: 10px 16px;
  border: 1px solid var(--field-line);
  border-radius: 999px;
  background: var(--field-bg);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text);
  transition: background-color .2s, border-color .2s, color .2s;
}
.radio-chips label:hover { border-color: var(--ink); }
.radio-chips input:checked + label { border-color: var(--primary); background: var(--primary); color: #fff; }
.radio-chips input:focus-visible + label { outline: 3px solid var(--focus); outline-offset: 2px; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.5; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; flex: none; accent-color: var(--accent); }
.check .field__error { margin-top: 4px; }
.check a { color: var(--link); font-weight: 600; }

.form-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 8px; }
.form-note { margin: 0; font-size: 13px; color: var(--muted); }
.form-status { display: none; margin-top: 18px; padding: 14px 16px; border-radius: 8px; font-size: 14.5px; }
.form-status.is-success { display: block; background: #e8f5ee; color: #17603a; }
.form-status.is-error { display: block; background: #fdecec; color: #8d1c22; }

.info-stack { display: grid; gap: 14px; }
.info-card { display: flex; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.info-card .icon-badge { width: 48px; height: 48px; margin: 0; }
.info-card .icon-badge .i { width: 22px; height: 22px; }
.info-card h3 { margin-bottom: 2px; font-size: 17px; }
.info-card p { margin: 0; font-size: 15px; }
.info-card a:hover { color: var(--link); }
.support-card { padding: 26px; border-radius: var(--radius); background: var(--grad-primary); color: var(--on-dark); font-size: 15px; }
.support-card h3 { font-size: 19px; color: #fff; }
.support-card p { margin-bottom: 1.2rem; }

.map {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 360px;
  border-radius: var(--radius-lg);
  background-color: var(--surface);
  background-image:
    linear-gradient(color-mix(in srgb, var(--ink) 9%, transparent) 2px, transparent 2px),
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 9%, transparent) 2px, transparent 2px),
    linear-gradient(color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px);
  background-size: 160px 160px, 160px 160px, 32px 32px, 32px 32px;
}
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.map__pin { display: grid; justify-items: center; gap: 12px; text-align: center; }
.map__pin .icon-badge { margin: 0; box-shadow: 0 0 0 10px color-mix(in srgb, var(--cta) 22%, transparent); }
.map__label { padding: 12px 18px; border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); font-size: 14px; }
.map__label strong { display: block; font-family: var(--font-head); font-size: 16px; color: var(--ink); font-weight: 600; }

@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Product cards with specifications (products page) ---------- */

.product-card--detail:hover { transform: translateY(-4px); }
.product-card--detail .product-card__body > p { flex: none; }
.product-card--detail .specs { margin-top: 10px; }

/* ---------- Footer ---------- */

.site-footer { padding-top: clamp(3.5rem, 3rem + 3vw, 5.5rem); background: var(--darkest); color: var(--on-dark-soft); font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer__logo { width: 260px; max-width: 100%; height: auto; margin-bottom: 1.4rem; }
.footer__brand p { max-width: 340px; }
.footer__brand .social { margin-top: 1.4rem; }
.site-footer h2 { margin-bottom: 1.1rem; font-size: 14px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: #fff; }
.footer__links li + li { margin-top: .6rem; }
.footer__links a:hover, .footer__contact a:hover, .footer__bottom a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 12px; }
.footer__contact li + li { margin-top: .9rem; }
.footer__contact .i { width: 18px; height: 18px; margin-top: 3px; color: var(--highlight); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13.5px;
}
.footer__bottom p { margin: 0; }
.footer__bottom ul { display: flex; gap: 1.5rem; }

@media (max-width: 960px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}