/* ============================================================
   JIN LIN STEEL — site stylesheet
   Design language: "mill certificate" — light zinc paper,
   mill-scale charcoal, furnace-orange heat accent,
   condensed industrial display type + engineering mono.
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  /* color */
  --zinc-50:  #F5F7F8;   /* page background (galvanized paper) */
  --zinc-100: #ECF0F2;   /* alternate section background */
  --white:    #FFFFFF;

  --mill-950: #0C141B;   /* deepest mill-scale */
  --mill-900: #152330;   /* primary ink / dark bands */
  --mill-800: #20323F;

  --steel-700: #33485A;  /* strong secondary text */
  --steel-600: #4A6274;  /* secondary text */
  --steel-400: #8CA0AF;  /* muted */
  --steel-200: #CBD6DD;  /* borders */
  --steel-100: #DFE7EB;  /* hairlines */

  --heat-400: #F97B3D;   /* accent on dark */
  --heat-500: #EE5A11;   /* furnace orange */
  --heat-600: #D14C09;
  --heat-700: #B04007;   /* text-safe orange on light */
  --heat-100: #FCE4D6;

  /* type */
  --font-display: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  /* layout */
  --container: 1180px;
  --radius: 4px;
  --border: 1.5px solid var(--steel-200);
  --shadow-hard: 10px 10px 0 rgba(21, 35, 48, 0.08);
  --shadow-soft: 0 1px 2px rgba(12, 20, 27, 0.06);
  --header-h: 74px;
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--mill-900);
  background: var(--zinc-50);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4 { margin: 0; line-height: 1.05; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; }

ul, ol, dl, dd { margin: 0; padding: 0; }

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

::selection { background: var(--heat-100); color: var(--mill-950); }

[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

:focus-visible {
  outline: 3px solid var(--heat-500);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--mill-950);
  color: #fff;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- 3. Utilities ---------- */
.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--heat-700);
  margin: 0 0 14px;
}
.eyebrow--onDark { color: var(--heat-400); }

.mono-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-600);
}

.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border: 1px solid var(--steel-200);
  border-radius: 3px;
  background: var(--zinc-50);
  color: var(--steel-700);
  white-space: nowrap;
}

.section { padding-block: clamp(56px, 8vw, 96px); }
.section--alt { background: var(--zinc-100); }
.section--dark {
  background: var(--mill-900);
  color: #C6D2DB;
}
.section--tight { padding-block: clamp(40px, 6vw, 64px); }

/* Section header — "plate edge": a heavy bar like the edge of a
   steel plate, with a drawing-sheet code on the right. */
.section-head {
  border-top: 4px solid var(--mill-900);
  padding-top: 20px;
  margin-bottom: clamp(30px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 24px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 46px);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.section-head .code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--heat-700);
  padding-top: 10px;
  white-space: nowrap;
}
.section-head .note {
  grid-column: 1 / -1;
  max-width: 68ch;
  margin: 14px 0 0;
  color: var(--steel-600);
  font-size: 16.5px;
}
.section--dark .section-head { border-top-color: var(--heat-500); }
.section--dark .section-head h2 { color: #fff; }
.section--dark .section-head .code { color: var(--heat-400); }
.section--dark .section-head .note { color: #A9B9C4; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  padding: 15px 26px 14px;
  border-radius: var(--radius);
  border: 2px solid var(--mill-950);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.btn--primary {
  background: var(--heat-500);
  color: var(--mill-950);
  box-shadow: 4px 4px 0 var(--mill-950);
}
.btn--primary:hover {
  background: var(--heat-400);
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--mill-950);
}
.btn--primary:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--mill-950); }
.btn--ghost {
  background: transparent;
  color: var(--mill-950);
}
.btn--ghost:hover { background: var(--mill-950); color: #fff; }
.btn--dark {
  background: var(--mill-950);
  color: #fff;
  border-color: var(--mill-950);
}
.btn--dark:hover { background: var(--mill-800); }
.btn--onDark {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn--onDark:hover { background: #fff; color: var(--mill-950); }
.btn--sm { font-size: 15.5px; padding: 11px 18px 10px; box-shadow: none; }
.btn[disabled] { opacity: 0.55; cursor: progress; transform: none; }

.btn__arrow { font-family: var(--font-body); font-weight: 700; }

/* ---------- 5. Top bar + header ---------- */
.topbar {
  background: var(--mill-950);
  color: #A9BAC6;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.topbar__inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-block: 8px;
}
.topbar a { color: #E4ECF1; text-decoration: none; }
.topbar a:hover { color: var(--heat-400); }
.topbar__loc { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--steel-200);
  transition: box-shadow 0.2s ease;
}
.site-header.is-scrolled { box-shadow: 0 4px 18px rgba(12, 20, 27, 0.08); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand__mark { flex: 0 0 auto; }
.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--mill-950);
  line-height: 1;
}
.brand__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel-600);
  margin-top: 3px;
}

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.site-nav__links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel-700);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.site-nav__links a:hover { color: var(--mill-950); border-bottom-color: var(--heat-500); }
.site-nav__links a[aria-current="page"] {
  color: var(--mill-950);
  border-bottom-color: var(--mill-950);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 2px solid var(--mill-950);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  height: 2px;
  background: var(--mill-950);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- 6. Hero ---------- */
.hero { padding-block: clamp(48px, 7vw, 88px) clamp(40px, 5vw, 64px); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(46px, 7vw, 84px);
  line-height: 0.94;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--mill-950);
}
.hero h1 .accent { color: var(--heat-600); }
.hero__lede {
  margin-top: 22px;
  max-width: 54ch;
  font-size: 17.5px;
  color: var(--steel-700);
}
.hero__cta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero__meta {
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-600);
}
.hero__meta .sep { color: var(--heat-600); padding-inline: 6px; }

.hero__fig {
  background: var(--white);
  border: 2px solid var(--mill-950);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.hero__fig svg { width: 100%; height: auto; }

/* Load-in motion (hero only) */
@keyframes rise-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
[data-rise] { animation: rise-in 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
[data-rise="2"] { animation-delay: 0.08s; }
[data-rise="3"] { animation-delay: 0.16s; }
[data-rise="4"] { animation-delay: 0.24s; }

/* ---------- 7. Grade ticker ---------- */
.ticker {
  background: var(--mill-950);
  border-block: 1px solid #263947;
  overflow: hidden;
}
.ticker__track {
  display: flex;
  width: max-content;
  padding-block: 11px;
  animation: ticker-scroll 52s linear infinite;
}
.ticker__track span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #C6D2DB;
  padding-right: 46px;
  white-space: nowrap;
}
.ticker__track span::after {
  content: "▪";
  color: var(--heat-500);
  padding-left: 46px;
  font-size: 9px;
  vertical-align: 1px;
}
@keyframes ticker-scroll { to { transform: translateX(-50%); } }

/* ---------- 8. Stats strip ---------- */
.stats {
  background: var(--white);
  border-bottom: 1px solid var(--steel-200);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 26px 24px;
  border-left: 1px solid var(--steel-200);
}
.stat:first-child { border-left: none; }
.stat__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 36px;
  line-height: 1;
  color: var(--mill-950);
}
.stat__value--code {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 21px;
  padding-top: 9px;
  display: inline-block;
  color: var(--heat-700);
  letter-spacing: 0.03em;
}
.stat__label {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-600);
  line-height: 1.55;
}

/* ---------- 9. Product cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.p-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.p-card:hover {
  border-color: var(--mill-950);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(21, 35, 48, 0.12);
}
.p-card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--heat-600);
  background: var(--zinc-50);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius);
}
.p-card:hover .p-card__icon { color: var(--heat-500); border-color: var(--heat-500); }
.p-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 23px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.p-card__spec {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--steel-600);
}
.p-card__more {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--heat-700);
}
.p-card:hover .p-card__more { text-decoration: underline; }

/* ---------- 10. Process steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
}
.step__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--heat-600);
}
.step h3 {
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.step p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--steel-600);
}
.step::after {           /* connector notch to the next step */
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 14px;
  height: 2px;
  background: var(--steel-200);
}
.step:last-child::after { display: none; }

/* ---------- 11. Split blocks (quality / logistics) ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.split__body { font-size: 16.5px; }
.section--dark .split__body { color: #B9C7D1; }

.doc-list { list-style: none; display: grid; gap: 0; }
.doc-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: #DEE7EC;
}
.doc-list li:first-child { border-top: 1px solid rgba(255, 255, 255, 0.14); }
.doc-list .tick { flex: 0 0 auto; margin-top: 1px; color: var(--heat-400); }

.kv-list { list-style: none; display: grid; gap: 14px; }
.kv-list li {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.kv-list .k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--heat-700);
  margin-bottom: 5px;
}
.kv-list .v { font-size: 15.5px; color: var(--steel-700); }

/* ---------- 12. CTA band ---------- */
.cta-band {
  background: var(--heat-500);
  color: var(--mill-950);
  position: relative;
  border-block: 2px solid var(--mill-950);
}
.cta-band::before {       /* hazard-tape edge */
  content: "";
  display: block;
  height: 10px;
  background: repeating-linear-gradient(
    -45deg,
    var(--mill-950) 0 14px,
    transparent 14px 28px
  );
  opacity: 0.9;
}
.cta-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: clamp(40px, 5vw, 60px);
}
.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.2vw, 46px);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.cta-band p {
  margin-top: 8px;
  max-width: 56ch;
  font-size: 16.5px;
}
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.cta-band__mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--mill-950);
}

/* ---------- 13. Footer ---------- */
.site-footer {
  background: var(--mill-950);
  color: #A9BAC6;
  border-top: 4px solid var(--heat-500);
  font-size: 14.5px;
}
.site-footer a { color: #DCE5EB; text-decoration: none; }
.site-footer a:hover { color: var(--heat-400); text-decoration: underline; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 36px;
  padding-block: clamp(44px, 6vw, 64px) 40px;
}
.site-footer h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #7E93A3;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; display: grid; gap: 9px; }
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__sub { color: #7E93A3; }
.site-footer__blurb { margin-top: 16px; max-width: 40ch; color: #8DA2B1; }
.site-footer__reg {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: #6E8494;
}
.site-footer__bottom {
  border-top: 1px solid #24364433;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #6E8494;
}

/* ---------- 14. Sub-page hero ---------- */
.page-hero {
  background: var(--mill-900);
  color: #fff;
  padding-block: clamp(44px, 6vw, 72px);
  border-bottom: 4px solid var(--heat-500);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 68px);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.page-hero__lede {
  margin-top: 16px;
  max-width: 64ch;
  color: #B9C7D1;
  font-size: 17px;
}
.crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8DA2B1;
  margin-bottom: 18px;
}
.crumbs a { color: #C6D2DB; text-decoration: none; }
.crumbs a:hover { color: var(--heat-400); }
.crumbs .sep { padding-inline: 8px; color: var(--heat-500); }

/* Anchor chip nav (products page) */
.anchor-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 60;
  background: var(--zinc-50);
  border-bottom: 1px solid var(--steel-200);
}
.anchor-nav__track {
  display: flex;
  gap: 10px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.anchor-nav a {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel-700);
  border: 1px solid var(--steel-200);
  background: var(--white);
  border-radius: 999px;
  padding: 6px 14px;
}
.anchor-nav a:hover { border-color: var(--heat-500); color: var(--heat-700); }

/* ---------- 15. Product sections + spec tables ---------- */
.product { padding-block: clamp(44px, 6vw, 72px); }
.product + .product { border-top: 1px solid var(--steel-200); }

.product__head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 18px;
}
.product__icon {
  flex: 0 0 auto;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  color: var(--heat-600);
  background: var(--white);
  border: 2px solid var(--mill-950);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 rgba(21, 35, 48, 0.1);
}
.product__code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--heat-700);
}
.product h2 {
  margin-top: 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.product__desc { max-width: 76ch; color: var(--steel-600); font-size: 16px; }
.product__chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 22px; }

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  border: 2px solid var(--mill-950);
  background: var(--white);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 640px;
}
.spec-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-400);
  padding: 10px 16px 0;
}
.spec-table th {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  color: #E8EEF2;
  background: var(--mill-900);
  padding: 11px 16px;
  white-space: nowrap;
}
.spec-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--steel-100);
  vertical-align: top;
  color: var(--steel-700);
}
.spec-table td:first-child {
  font-weight: 600;
  color: var(--mill-950);
  white-space: nowrap;
}
.spec-table tbody tr:hover td { background: #F6F9FA; }
.spec-table .num { font-family: var(--font-mono); font-size: 13px; }

.product__foot {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

/* ---------- 16. About page ---------- */
.registry-card {
  background: var(--white);
  border: 2px solid var(--mill-950);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.registry-card__head {
  background: var(--mill-900);
  color: #E8EEF2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.registry-card__head .no { color: var(--heat-400); }
.registry-card dl { display: grid; }
.registry-card .row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 14px 20px;
  border-top: 1px solid var(--steel-100);
}
.registry-card .row:first-child { border-top: none; }
.registry-card dt {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-400);
  padding-top: 2px;
}
.registry-card dd { font-size: 15px; color: var(--mill-900); }

.mini-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.mini-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.mini-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--heat-600);
  letter-spacing: 0.08em;
}
.mini-card h3 {
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 23px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.mini-card p { margin-top: 10px; font-size: 15px; color: var(--steel-600); }

.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

/* ---------- 17. Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.info-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.info-card + .info-card { margin-top: 16px; }
.info-card h3 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--heat-700);
  margin-bottom: 8px;
}
.info-card p, .info-card address {
  font-style: normal;
  font-size: 15.5px;
  color: var(--steel-700);
}
.info-card a { color: var(--mill-950); font-weight: 600; text-decoration: none; }
.info-card a:hover { color: var(--heat-600); text-decoration: underline; }

.quote-form {
  background: var(--white);
  border: 2px solid var(--mill-950);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 3.5vw, 40px);
}
.quote-form__head {
  border-bottom: 1px solid var(--steel-100);
  padding-bottom: 18px;
  margin-bottom: 24px;
}
.quote-form__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  text-transform: uppercase;
}
.quote-form__head p { margin-top: 6px; color: var(--steel-600); font-size: 15px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-700);
}
.field .req { color: var(--heat-600); }
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--zinc-50);
  border: 1.5px solid var(--steel-200);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 15.5px;
  color: var(--mill-950);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--heat-500);
  background: var(--white);
  box-shadow: 0 0 0 3px var(--heat-100);
}
.field input::placeholder, .field textarea::placeholder { color: var(--steel-400); }

/* honeypot — visually removed, still in the DOM for bots */
.fld-web {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.quote-form__foot {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.form-status {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin: 0;
}
.form-status.is-ok { color: #1B7A3D; }
.form-status.is-err { color: var(--heat-700); }

/* ---------- 18. Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: var(--d, 0s);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 19. Responsive ---------- */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .mini-cards { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__fig { max-width: 560px; }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: none; border-top: 1px solid var(--steel-200); }
  .stat:nth-child(-n+2) { border-top: none; }
  .stat:nth-child(even) { border-left: 1px solid var(--steel-200); }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 90;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: var(--mill-950);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    visibility: hidden;
  }
  body.nav-open .site-nav { transform: none; visibility: visible; }
  .site-nav__links { flex-direction: column; align-items: center; gap: 22px; }
  .site-nav__links a { color: #E4ECF1; font-size: 26px; }
  .site-nav__links a[aria-current="page"] { border-bottom-color: var(--heat-500); }
  .site-nav .btn { border-color: var(--heat-500); }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-toggle { position: relative; z-index: 95; border-color: #fff; }
  body.nav-open .nav-toggle__bar { background: #fff; }
  body.nav-open .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav-toggle__bar:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 36px); }
  .cards-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .mini-cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat { border-left: none !important; border-top: 1px solid var(--steel-200); }
  .stat:first-child { border-top: none; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .registry-card .row { grid-template-columns: 1fr; gap: 4px; }
  .topbar__mail { display: none; }
}

/* ---------- 20. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-rise] { animation: none; }
  .ticker__track { animation: none; flex-wrap: wrap; width: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .p-card { transition: none; }
}