/* ════════════════════════════════════════════════════════════════════
   SILICRAFT — INDUSTRIAL ATELIER
   Design tokens · Reset · Type · Layout · Components
   ════════════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─────────────────────────────────────────────── */
:root {
  /* Palette */
  --ink-1000: #0D0F12;        /* deepest charcoal */
  --ink-900: #11141A;
  --ink-800: #1B1F26;
  --ink-700: #252B34;
  --ink-600: #353C47;
  --steel-300: #B8C0CC;       /* tungsten silver - primary text */
  --steel-400: #9AA2AF;
  --steel-500: #6E7686;
  --bone-100: #F0EBE0;        /* warm matte cream */
  --bone-200: #E2DCD0;
  --signal-500: #FF5B1F;      /* industrial orange — ONLY accent */
  --signal-600: #E04811;
  --signal-300: #FF8762;
  --brass-400: #C8A45D;       /* warm metal - secondary accent */
  --lime-500: #9FFF00;        /* status indicator */
  --alert-500: #E5322D;

  /* Typography */
  --font-display: 'Archivo Black', 'Noto Sans SC', 'Noto Sans JP', sans-serif;
  --font-heading: 'Space Grotesk', 'Cairo', 'Noto Sans SC', 'Noto Sans JP', sans-serif;
  --font-body: 'Manrope', 'Cairo', 'Noto Sans SC', 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', 'Cairo', monospace;

  /* Type scale */
  --fs-display-1: clamp(2.75rem, 5.5vw + 0.5rem, 6.5rem);
  --fs-display-2: clamp(2.25rem, 4vw + 0.5rem, 4.5rem);
  --fs-h1: clamp(2rem, 3vw + 1rem, 3.25rem);
  --fs-h2: clamp(1.5rem, 2vw + 0.5rem, 2.25rem);
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-mono: 0.8125rem;

  /* Spacing — 8pt grid */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --space-11: clamp(4rem, 10vw, 10rem);

  /* Layout */
  --container: 1440px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --grid-cols: 12;
  --grid-gap: clamp(1rem, 2vw, 2rem);

  /* Effects */
  --radius-s: 2px;
  --radius-m: 4px;
  --radius-l: 8px;
  --border-thin: 1px;
  --border-thick: 2px;
  --line: rgba(184, 192, 204, 0.12);
  --line-strong: rgba(184, 192, 204, 0.24);

  /* Motion */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.7, 0, 0.3, 1);
  --dur-fast: 160ms;
  --dur-med: 280ms;
  --dur-slow: 480ms;
}

/* ─── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html:lang(ar) { direction: rtl; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--steel-300);
  background: var(--ink-1000);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; list-style: none; }
dl, dd { margin: 0; }
[hidden] { display: none !important; }
::selection { background: var(--signal-500); color: var(--ink-1000); }

/* RTL adjustments */
[dir="rtl"] .nav__brand-mark,
[dir="rtl"] .nav__brand-text,
[dir="rtl"] .footer__brand { transform: scaleX(-1); transform-origin: center; }

/* ─── Layout utilities ──────────────────────────────────────────── */
.section {
  padding-block: var(--space-11);
  position: relative;
}
.section__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
}
.section__head { margin-bottom: var(--space-9); max-width: 880px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-500);
  margin-bottom: var(--space-5);
  padding-inline: var(--space-3);
  padding-block: var(--space-2);
  border: 1px solid var(--signal-500);
  border-radius: 999px;
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-2);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--bone-100);
  font-weight: 900;
  margin-bottom: var(--space-5);
}
.section__title em {
  display: block;
  font-style: normal;
  color: var(--signal-500);
  margin-top: var(--space-2);
}
.section__intro {
  font-size: clamp(1rem, 1.2vw + 0.6rem, 1.25rem);
  line-height: 1.6;
  color: var(--steel-400);
  max-width: 64ch;
}

/* ─── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-s);
  transition: background var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart),
              border-color var(--dur-fast) var(--ease-out-quart),
              transform var(--dur-fast) var(--ease-out-quart);
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  isolation: isolate;
}
.btn--lg { padding: var(--space-4) var(--space-6); font-size: 1rem; }
.btn--primary {
  background: var(--signal-500);
  color: var(--ink-1000);
}
.btn--primary:hover {
  background: var(--signal-600);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: transparent;
  color: var(--steel-300);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  background: rgba(184, 192, 204, 0.04);
  border-color: var(--steel-300);
  color: var(--bone-100);
}
.btn__spinner {
  width: 14px;
  height: 14px;
  border: 1.5px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  display: none;
  animation: spin 0.7s linear infinite;
}
.btn[data-loading="true"] .btn__spinner { display: inline-block; }
.btn[data-loading="true"] [data-rfq-submit-label] { opacity: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════════════════════════════
   NAV
   ════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: rgba(13, 15, 18, 0.72);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-med) var(--ease-out-quart),
              border-color var(--dur-med) var(--ease-out-quart);
}
.nav[data-scrolled="true"] {
  background: rgba(13, 15, 18, 0.94);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--bone-100);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.nav__brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--signal-500);
  transform: scale(1);
  transition: transform var(--dur-med) var(--ease-out-quart);
}
.nav__brand:hover .nav__brand-mark { transform: rotate(45deg); }
.nav__brand-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nav__brand-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--steel-500);
  text-transform: uppercase;
  border-inline-start: 1px solid var(--line-strong);
  padding-inline-start: var(--space-3);
}
.nav__links {
  display: flex;
  gap: var(--space-6);
  margin-inline-start: var(--space-7);
  flex: 1;
}
.nav__link {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--steel-400);
  transition: color var(--dur-fast) var(--ease-out-quart);
  position: relative;
  padding-block: var(--space-2);
}
.nav__link::after {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--signal-500);
  transition: width var(--dur-med) var(--ease-out-quart);
}
.nav__link:hover { color: var(--bone-100); }
.nav__link:hover::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: var(--space-4); }
.nav__cta { padding: var(--space-2) var(--space-4); font-size: var(--fs-small); }
.nav__chat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--steel-300);
  transition: all var(--dur-fast) var(--ease-out-quart);
  position: relative;
}
.nav__chat::before {
  content: '';
  position: absolute;
  inset: -3px;
  border: 1px solid transparent;
  border-radius: 50%;
  transition: border-color var(--dur-med) var(--ease-out-quart);
}
.nav__chat:hover { color: var(--signal-500); border-color: var(--signal-500); }
.nav__chat:hover::before { border-color: var(--signal-500); opacity: 0.3; animation: pulse 1.4s var(--ease-out-quart) infinite; }
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--bone-100);
  transition: transform var(--dur-fast) var(--ease-out-quart),
              opacity var(--dur-fast) var(--ease-out-quart);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Lang switcher */
.lang-switcher { position: relative; }
.lang-switcher__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--steel-300);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  transition: border-color var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart);
}
.lang-switcher__trigger:hover {
  border-color: var(--steel-300);
  color: var(--bone-100);
}
.lang-switcher__code { font-weight: 700; }
.lang-switcher__menu {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  background: var(--ink-800);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  min-width: 180px;
  padding: var(--space-2);
  z-index: 110;
  box-shadow: 0 24px 48px -16px rgba(0, 0, 0, 0.6);
}
.lang-switcher__menu li button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-3);
  font-size: var(--fs-small);
  color: var(--steel-300);
  border-radius: var(--radius-s);
  transition: background var(--dur-fast), color var(--dur-fast);
  text-align: start;
}
.lang-switcher__menu li button:hover {
  background: rgba(184, 192, 204, 0.06);
  color: var(--bone-100);
}
.lang-switcher__menu li button[aria-selected="true"] {
  color: var(--signal-500);
  background: rgba(255, 91, 31, 0.06);
}
.lang-switcher__menu li button span {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--steel-500);
}

/* ════════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-block: clamp(7rem, 14vh, 11rem) var(--space-9);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(0.35) contrast(1.12) brightness(0.74);
}
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(13, 15, 18, 0.32) 0%, rgba(13, 15, 18, 0.78) 72%, var(--ink-1000) 100%),
    linear-gradient(90deg, rgba(13, 15, 18, 0.62) 0%, rgba(13, 15, 18, 0.18) 100%);
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, transparent, black 30%, black 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, black 30%, black 70%, transparent);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  width: 100%;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-500);
  margin-bottom: var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.hero__eyebrow::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--signal-500);
}
.hero__headline {
  font-family: var(--font-display);
  font-size: var(--fs-display-1);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--bone-100);
  font-weight: 900;
  margin-bottom: var(--space-6);
  max-width: 100%;
  text-wrap: balance;
}
.hero__headline-line {
  display: block;
  overflow: visible;
}
.hero__headline em {
  font-style: normal;
  display: inline-block;
}
.hero__headline-accent {
  color: var(--signal-500);
  position: relative;
  display: inline-block;
}
.hero__headline-accent::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: 0.05em;
  height: 0.12em;
  background: var(--signal-500);
  opacity: 0.16;
}
.hero__sub {
  font-size: clamp(1rem, 1vw + 0.6rem, 1.25rem);
  line-height: 1.55;
  color: var(--steel-300);
  max-width: 56ch;
  margin-bottom: var(--space-7);
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-9);
}
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border-block: 1px solid var(--line-strong);
  padding-block: var(--space-5);
  position: relative;
}
.hero__metrics::before, .hero__metrics::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  height: 1px;
  background: var(--line-strong);
}
.hero__metrics::before { top: 0; }
.hero__metrics::after { bottom: 0; }
.hero__metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-inline: var(--space-4);
}
.hero__metric-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.05em;
  color: var(--steel-500);
  text-transform: uppercase;
}
.hero__metric-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 3rem);
  font-weight: 900;
  color: var(--bone-100);
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero__metric-unit {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel-500);
  margin-inline-start: var(--space-1);
}
.hero__scroll-cue {
  position: absolute;
  inset-inline-start: var(--gutter);
  bottom: var(--space-7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.hero__scroll-text {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--steel-500);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
[dir="rtl"] .hero__scroll-text { writing-mode: vertical-lr; transform: none; }
.hero__scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, var(--steel-500), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 50%;
  background: var(--signal-500);
  animation: scrollLine 2.4s var(--ease-out-quart) infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ════════════════════════════════════════════════════════════════
   CAPABILITIES
   ════════════════════════════════════════════════════════════════ */
.section--capabilities { background: var(--ink-900); }
.cap-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}
.cap-card {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--dur-med) var(--ease-out-quart),
              transform var(--dur-med) var(--ease-out-quart);
  overflow: hidden;
  isolation: isolate;
}
.cap-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--cap-bg);
  background-size: cover;
  background-position: center;
  filter: grayscale(0.6) contrast(1.2) brightness(1.05);
  opacity: 0.62;
  z-index: -1;
  transition: opacity var(--dur-slow) var(--ease-out-quart),
              filter var(--dur-slow) var(--ease-out-quart),
              transform var(--dur-slow) var(--ease-out-quart);
}
/* Gradient scrim: the photo reads through the top of the card, while the
   lower two-thirds (where the copy lives) stays near-opaque so text keeps
   its contrast no matter how bright the underlying photo is. */
.cap-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(13, 15, 18, 0.22) 0%,
    rgba(13, 15, 18, 0.58) 26%,
    rgba(13, 15, 18, 0.90) 52%,
    rgba(13, 15, 18, 0.97) 100%);
  z-index: -1;
  pointer-events: none;
  transition: background var(--dur-slow) var(--ease-out-quart);
}
.cap-card:hover {
  border-color: var(--signal-500);
  transform: translateY(-4px);
  box-shadow:
    0 0 0 1px var(--signal-500),
    0 20px 44px -20px rgba(255, 91, 31, 0.5),
    0 10px 28px -14px rgba(0, 0, 0, 0.85);
}
/* Hover feedback is deliberately carried by the frame (orange ring, lift,
   glow) and a gentle photo push-in — NOT by brightening the photo.
   Raising the photo's brightness/opacity would let the card plate bleed
   differently and could darken the dark areas while washing out the copy. */
.cap-card:hover::before {
  opacity: 0.66;
  filter: grayscale(0.55) contrast(1.22) brightness(1.08);
  transform: scale(1.055);
}
/* Scrim identical to the resting state: text contrast is provably unchanged. */
.cap-card:hover::after {
  background: linear-gradient(180deg,
    rgba(13, 15, 18, 0.22) 0%,
    rgba(13, 15, 18, 0.58) 26%,
    rgba(13, 15, 18, 0.90) 52%,
    rgba(13, 15, 18, 0.97) 100%);
}
/* Signal-colour accent strip slides in along the top edge on hover. */
.cap-card__accent {
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: var(--signal-500);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-med) var(--ease-out-expo);
  z-index: 1;
}
[dir="rtl"] .cap-card__accent { transform-origin: right center; }
.cap-card:hover .cap-card__accent { transform: scaleX(1); }

/* Every string inside a capability card sits on a photo. A layered shadow
   guarantees legibility at any photo brightness (base, hover, print). */
.cap-card__head,
.cap-card__title,
.cap-card__specs,
.cap-card__desc,
.cap-card__standards,
.cap-card__app {
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.9),
    0 2px 8px rgba(0, 0, 0, 0.75),
    0 0 24px rgba(0, 0, 0, 0.5);
}

.cap-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--steel-500);
}
.cap-card__code { color: var(--signal-500); font-weight: 500; }
.cap-card__num {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 900;
  color: var(--steel-400);
}
.cap-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--bone-100);
  line-height: 1;
  margin-block: var(--space-2) var(--space-1);
}
.cap-card__specs {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-1) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--steel-400);
  padding-block: var(--space-3);
  border-block: 1px solid var(--line);
}
.cap-card__specs dt { color: var(--steel-500); text-transform: uppercase; }
.cap-card__specs dd { color: var(--steel-300); }
.cap-card__desc {
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--steel-300);
}
.cap-card__standards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.cap-card__standard {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  color: var(--brass-400);
}
.cap-card__apps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-4);
}
.cap-card__app {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--steel-300);
  text-transform: uppercase;
}
.cap-card__app::before {
  content: '◇';
  color: var(--signal-500);
  font-size: 0.625rem;
}

/* Asymmetric placement of capability cards */
.cap-card:nth-child(1) { grid-column: span 7; min-height: 480px; }
.cap-card:nth-child(2) { grid-column: span 5; min-height: 480px; }
.cap-card:nth-child(3) { grid-column: span 4; min-height: 420px; }
.cap-card:nth-child(4) { grid-column: span 4; min-height: 420px; }
.cap-card:nth-child(5) { grid-column: span 4; min-height: 420px; }

/* ════════════════════════════════════════════════════════════════
   PROCESS TIMELINE
   ════════════════════════════════════════════════════════════════ */
.section--process { background: var(--ink-1000); }
.process-timeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border-block: 1px solid var(--line-strong);
  counter-reset: process;
}
.process-step {
  background: var(--ink-900);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition: background var(--dur-fast) var(--ease-out-quart);
  min-height: 320px;
}
.process-step:hover { background: var(--ink-800); }
.process-step__n {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 900;
  line-height: 0.9;
  color: var(--signal-500);
  letter-spacing: -0.04em;
}
.process-step__n::before {
  content: '/';
  color: var(--steel-500);
  margin-inline-end: var(--space-1);
}
.process-step__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--bone-100);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.process-step__duration {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--brass-400);
  letter-spacing: 0.05em;
  margin-block: var(--space-1) var(--space-2);
  padding-block: var(--space-1);
  border-block: 1px solid var(--line);
}
.process-step__detail {
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--steel-400);
  margin-top: auto;
}

/* ════════════════════════════════════════════════════════════════
   INDUSTRIES
   ════════════════════════════════════════════════════════════════ */
.section--industries { background: var(--ink-900); }
.industries {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}
.industry-card {
  position: relative;
  padding: var(--space-6);
  background: var(--ink-800);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--dur-med) var(--ease-out-quart);
  min-height: 200px;
}
.industry-card:hover { border-color: var(--signal-500); }
.industry-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.industry-card__share {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw + 0.5rem, 3.25rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--bone-100);
}
.industry-card__bar {
  position: relative;
  width: 100%;
  height: 4px;
  background: var(--ink-700);
  border-radius: 2px;
  overflow: hidden;
}
.industry-card__bar-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--signal-500), var(--brass-400));
  width: 0;
  transition: width var(--dur-slow) var(--ease-out-expo);
}
.industry-card__name {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--bone-100);
  line-height: 1.2;
}
.industry-card__detail {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--steel-500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: auto;
}

/* Asymmetric placement */
.industry-card:nth-child(1) { grid-column: span 5; }
.industry-card:nth-child(2) { grid-column: span 7; }
.industry-card:nth-child(3) { grid-column: span 4; }
.industry-card:nth-child(4) { grid-column: span 4; }
.industry-card:nth-child(5) { grid-column: span 4; }

/* ════════════════════════════════════════════════════════════════
   CERTIFICATIONS
   ════════════════════════════════════════════════════════════════ */
.section--cert { background: var(--ink-1000); }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border-block: 1px solid var(--line-strong);
}
.cert-card {
  background: var(--ink-900);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: background var(--dur-fast) var(--ease-out-quart);
  position: relative;
}
.cert-card:hover { background: var(--ink-800); }
.cert-card__code {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.6vw + 0.5rem, 1.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--bone-100);
  line-height: 1.05;
}
.cert-card__scope {
  font-size: var(--fs-small);
  color: var(--steel-300);
  line-height: 1.45;
}
.cert-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
  padding-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--steel-500);
  text-transform: uppercase;
  border-top: 1px solid var(--line);
}
.cert-card__auditor { color: var(--brass-400); }
.cert-card__year { color: var(--signal-500); }

/* ════════════════════════════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════════════════════════════ */
.section--about { background: var(--ink-900); }
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: start;
}
.about__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  font-size: clamp(1rem, 0.6vw + 0.85rem, 1.125rem);
  line-height: 1.65;
  color: var(--steel-300);
  max-width: 56ch;
}
.about__text p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 4em;
  float: inline-start;
  line-height: 0.85;
  margin-inline-end: var(--space-2);
  margin-block-start: var(--space-1);
  color: var(--signal-500);
}
.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.about__stat {
  background: var(--ink-800);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.about__stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw + 0.5rem, 4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--bone-100);
}
.about__stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--steel-500);
  text-transform: uppercase;
  margin-top: auto;
}

/* ════════════════════════════════════════════════════════════════
   DROPZONE (file attachments for RFQ)
   ════════════════════════════════════════════════════════════════ */
.dropzone {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-m);
  background: rgba(184, 192, 204, 0.02);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out-quart),
              background var(--dur-fast) var(--ease-out-quart);
}
.dropzone:hover,
.dropzone:focus,
.dropzone[data-dragover="true"] {
  border-color: var(--signal-500);
  background: rgba(255, 91, 31, 0.04);
  outline: 0;
}
.dropzone[data-dragover="true"] {
  border-style: solid;
  transform: scale(1.005);
}
.dropzone__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--steel-400);
}
.dropzone[data-dragover="true"] .dropzone__inner,
.dropzone:hover .dropzone__inner {
  color: var(--signal-500);
}
.dropzone__hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.dropzone__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.dropzone__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--steel-300);
  position: relative;
  min-width: 0;
}
.dropzone__item--image { padding: var(--space-2); }
.dropzone__item-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-s);
  flex-shrink: 0;
  background: var(--ink-700);
}
.dropzone__item-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  color: var(--brass-400);
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
}
.dropzone__item-meta {
  flex: 1;
  min-width: 0;
}
.dropzone__item-name {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--bone-100);
}
.dropzone__item-size {
  display: block;
  margin-top: 2px;
  font-size: 0.625rem;
  color: var(--steel-500);
}
.dropzone__item-remove {
  background: none;
  border: 0;
  color: var(--steel-500);
  cursor: pointer;
  padding: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  transition: color var(--dur-fast);
  flex-shrink: 0;
}
.dropzone__item-remove:hover { color: var(--signal-500); }
.dropzone__item--uploading { opacity: 0.6; pointer-events: none; }
.dropzone__item--uploading .dropzone__item-name::after {
  content: ' · …';
  color: var(--signal-500);
}

/* ════════════════════════════════════════════════════════════════
   RFQ FORM
   ════════════════════════════════════════════════════════════════ */
.section--rfq {
  background: var(--ink-1000);
  border-top: 1px solid var(--line-strong);
}
.rfq-form {
  max-width: 880px;
  margin-inline: auto;
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  padding: clamp(2rem, 4vw, 3.5rem);
  position: relative;
}
.rfq-form::before {
  content: '';
  position: absolute;
  top: -1px;
  inset-inline-start: -1px;
  width: 60px;
  height: 60px;
  border-top: 2px solid var(--signal-500);
  border-inline-start: 2px solid var(--signal-500);
}
.rfq-form::after {
  content: '';
  position: absolute;
  bottom: -1px;
  inset-inline-end: -1px;
  width: 60px;
  height: 60px;
  border-bottom: 2px solid var(--signal-500);
  border-inline-end: 2px solid var(--signal-500);
}
.rfq-form__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}
.rfq-form__field { display: flex; flex-direction: column; gap: var(--space-2); }
.rfq-form__field--full { grid-column: 1 / -1; }
.rfq-form__field label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-400);
}
.rfq-form__field input,
.rfq-form__field select,
.rfq-form__field textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: var(--space-3) 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--bone-100);
  transition: border-color var(--dur-fast) var(--ease-out-quart);
  resize: vertical;
}
.rfq-form__field input:focus,
.rfq-form__field select:focus,
.rfq-form__field textarea:focus {
  outline: 0;
  border-bottom-color: var(--signal-500);
}
.rfq-form__field input::placeholder,
.rfq-form__field textarea::placeholder { color: var(--steel-500); }
.rfq-form__field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='10' viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 3.5L5 6.5L8 3.5' stroke='%239AA2AF' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-2) center;
  padding-inline-end: var(--space-6);
  cursor: pointer;
}
.rfq-form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-small);
  color: var(--steel-400);
  margin-bottom: var(--space-6);
  cursor: pointer;
  line-height: 1.5;
}
.rfq-form__consent input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--signal-500);
  flex-shrink: 0;
}
.rfq-form__actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.rfq-form__meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--steel-500);
}
.rfq-form__output {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border: 1px solid;
  font-size: var(--fs-small);
}
.rfq-form__output[data-state="success"] {
  border-color: var(--lime-500);
  color: var(--lime-500);
  background: rgba(159, 255, 0, 0.04);
}
.rfq-form__output[data-state="error"] {
  border-color: var(--alert-500);
  color: var(--alert-500);
  background: rgba(229, 50, 45, 0.04);
}
.rfq-form__output strong { display: block; margin-bottom: var(--space-2); font-size: 1rem; }

/* ════════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  padding-block: var(--space-9) var(--space-5);
}
.footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-9);
  border-bottom: 1px solid var(--line);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--bone-100);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}
.footer__brand-text {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--steel-500);
  letter-spacing: 0.04em;
}
.footer__col-title {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-500);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.footer__list li {
  font-size: var(--fs-small);
  color: var(--steel-400);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}
.footer__list a { transition: color var(--dur-fast); }
.footer__list a:hover { color: var(--bone-100); }
.footer__bottom {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-top: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--steel-500);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer__legal-links {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.footer__legal-links a {
  color: var(--steel-400);
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.footer__legal-links a:hover {
  color: var(--bone-100);
  border-bottom-color: var(--steel-400);
}
.footer__dot { color: var(--ink-700); }

/* ════════════════════════════════════════════════════════════════
   LIVE CHAT
   ════════════════════════════════════════════════════════════════ */
.chat-fab {
  position: fixed;
  bottom: var(--space-5);
  inset-inline-end: var(--space-5);
  z-index: 95;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--signal-500);
  color: var(--ink-1000);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 32px -8px rgba(255, 91, 31, 0.5), 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: transform var(--dur-med) var(--ease-out-quart);
}
.chat-fab:hover { transform: scale(1.06); }
.chat-fab__badge {
  position: absolute;
  top: -2px;
  inset-inline-end: -2px;
  min-width: 18px;
  height: 18px;
  padding-inline: var(--space-1);
  border-radius: 9px;
  background: var(--ink-1000);
  color: var(--lime-500);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--signal-500);
}
.chat {
  position: fixed;
  bottom: calc(var(--space-5) + 72px);
  inset-inline-end: var(--space-5);
  z-index: 96;
  width: min(380px, calc(100vw - 2 * var(--space-5)));
  height: min(560px, calc(100vh - 12rem));
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 64px -16px rgba(0, 0, 0, 0.8);
  transform: translateY(8px) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur-med) var(--ease-out-quart),
              opacity var(--dur-med) var(--ease-out-quart);
}
.chat[data-open="true"] {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}
.chat__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--line);
  background: var(--ink-800);
  border-radius: var(--radius-l) var(--radius-l) 0 0;
}
.chat__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--lime-500);
  letter-spacing: 0.04em;
}
.chat__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime-500);
  box-shadow: 0 0 6px var(--lime-500);
  animation: pulseDot 1.6s var(--ease-out-quart) infinite;
}
.chat[data-state="offline"] .chat__status-dot { background: var(--steel-500); box-shadow: none; animation: none; }
.chat[data-state="offline"] .chat__status { color: var(--steel-500); }
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.chat__title {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--bone-100);
  flex: 1;
  margin: 0;
  text-align: start;
}
.chat__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--steel-400);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.chat__close:hover { background: var(--ink-700); color: var(--bone-100); }
.chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  scrollbar-width: thin;
  scrollbar-color: var(--steel-600) transparent;
}
.chat__messages::-webkit-scrollbar { width: 4px; }
.chat__messages::-webkit-scrollbar-thumb { background: var(--steel-600); }
.chat-msg {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 85%;
}
.chat-msg--system { align-self: flex-start; }
.chat-msg--user { align-self: flex-end; align-items: flex-end; }
[dir="rtl"] .chat-msg--system { align-self: flex-end; align-items: flex-end; }
[dir="rtl"] .chat-msg--user { align-self: flex-start; align-items: flex-start; }
.chat-msg__bubble {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-m);
  font-size: var(--fs-small);
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-msg--system .chat-msg__bubble {
  background: var(--ink-800);
  color: var(--steel-300);
  border: 1px solid var(--line);
}
.chat-msg--user .chat-msg__bubble {
  background: var(--signal-500);
  color: var(--ink-1000);
}
.chat-msg__time {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  color: var(--steel-500);
}
.chat__form {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--line);
  background: var(--ink-800);
  border-radius: 0 0 var(--radius-l) var(--radius-l);
}
.chat__attach {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  flex-shrink: 0;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--steel-300);
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.chat__attach:hover { color: var(--signal-500); border-color: var(--signal-500); }
.chat__attach[data-uploading="true"] {
  color: var(--signal-500);
  pointer-events: none;
}
.chat__attach[data-uploading="true"] svg { animation: spin 0.7s linear infinite; }
.chat__input {
  flex: 1;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: var(--space-3);
  font-size: var(--fs-small);
  color: var(--bone-100);
}
.chat__input:focus { outline: 0; border-color: var(--signal-500); }

/* Inline attachment preview chip (above input row when attached) */
.chat__attach-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--line);
  background: var(--ink-900);
}
.chat__attach-preview img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-strong);
  flex-shrink: 0;
}
.chat__attach-preview-meta {
  flex: 1;
  min-width: 0;
}
.chat__attach-preview-name {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--bone-100);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat__attach-preview-status {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--signal-500);
  margin-top: 2px;
  display: block;
}
.chat__attach-preview-remove {
  background: none;
  border: 0;
  color: var(--steel-500);
  cursor: pointer;
  padding: 4px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
}
.chat__attach-preview-remove:hover { color: var(--signal-500); }

/* Image inside chat bubble */
.chat-msg__image {
  margin-top: var(--space-2);
  max-width: 240px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  cursor: zoom-in;
  transition: border-color var(--dur-fast);
}
.chat-msg__image:hover { border-color: var(--signal-500); }
.chat__send {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  background: var(--signal-500);
  color: var(--ink-1000);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 600;
  border-radius: var(--radius-s);
  transition: background var(--dur-fast);
}
.chat__send:hover { background: var(--signal-600); }
.chat__send:disabled { opacity: 0.5; cursor: not-allowed; }

/* ════════════════════════════════════════════════════════════════
   SCROLL REVEAL
   ════════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out-quart),
              transform var(--dur-slow) var(--ease-out-quart);
}
.reveal[data-revealed="true"] {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .cap-card:nth-child(n) { grid-column: span 6; min-height: 420px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: repeat(2, 1fr); }
  .process-timeline { grid-template-columns: repeat(4, 1fr); }
  .process-step:nth-child(n+5) { display: none; }
  .industry-card:nth-child(n) { grid-column: span 6; }
}
@media (max-width: 720px) {
  .nav__brand-tag { display: none; }
  .nav__cta { display: none; }
  .hero__metrics { grid-template-columns: repeat(2, 1fr); }
  .cap-card:nth-child(n) { grid-column: span 12; min-height: 360px; }
  .cert-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: var(--space-7); }
  .rfq-form__grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .process-step:nth-child(n+5) { display: flex; }
  .industry-card:nth-child(n) { grid-column: span 12; }
  .section--rfq .rfq-form { padding: var(--space-6); }
  .rfq-form::before, .rfq-form::after { width: 30px; height: 30px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print */
@media print {
  .nav, .chat-fab, .chat, .footer__powered { display: none; }
  body { background: white; color: black; }
}


/* ── Required-field marking ─────────────────────────────────────
   The asterisk is permanent on every required control so the visitor
   knows the contract before they start, not after they fail. */
.rfq-form__field label[data-required='true']::after,
.rfq-form__consent[data-required='true'] > span::after {
  content: ' *';
  color: var(--signal-500);
  font-weight: 700;
  margin-inline-start: 2px;
}

/* ── Invalid state (set on submit) ──────────────────────────── */
.rfq-form__field input[data-invalid],
.rfq-form__field select[data-invalid],
.rfq-form__field textarea[data-invalid] {
  border-bottom-color: var(--alert-500);
  background: rgba(229, 50, 45, 0.06);
}
.rfq-form__field:has([data-invalid]) label,
.rfq-form__consent:has([data-invalid]) > span {
  color: var(--alert-500);
}
.rfq-form__field:has([data-invalid]) label[data-required='true']::after,
.rfq-form__consent:has([data-invalid]) > span::after {
  color: var(--alert-500);
}
.rfq-form__consent input[data-invalid] {
  outline: 2px solid var(--alert-500);
  outline-offset: 3px;
  border-radius: 2px;
}
.rfq-form__field input[data-invalid]:focus,
.rfq-form__field select[data-invalid]:focus,
.rfq-form__field textarea[data-invalid]:focus {
  border-bottom-color: var(--alert-500);
  box-shadow: 0 2px 0 0 var(--alert-500);
  outline: 0;
}

/* ── Nudge: a brief shake draws the eye to the focused field ─── */
@keyframes rfq-nudge {
  0%, 100% { transform: translateX(0); }
  18% { transform: translateX(-4px); }
  36% { transform: translateX(4px); }
  54% { transform: translateX(-3px); }
  72% { transform: translateX(2px); }
}
.rfq-form__field[data-nudge='true'] {
  animation: rfq-nudge 420ms cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
.rfq-form__consent[data-nudge='true'] {
  animation: rfq-nudge 420ms cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
@media (prefers-reduced-motion: reduce) {
  .rfq-form__field[data-nudge='true'],
  .rfq-form__consent[data-nudge='true'] { animation: none; }
}

/* Collapsible technical detail inside the result box */
.rfq-form__detail {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
}
.rfq-form__detail summary {
  cursor: pointer;
  color: var(--steel-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-block: var(--space-1);
  user-select: none;
}
.rfq-form__detail summary:hover { color: var(--bone-100); }
.rfq-form__detail pre {
  margin-top: var(--space-2);
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.35);
  border-inline-start: 2px solid var(--alert-500);
  border-radius: var(--radius-s);
  color: var(--steel-300);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
/* Alert tone for the error output box itself */
.rfq-form__output[data-state="error"] {
  display: block;
}

/* Visually hidden, still read by assistive tech — used by the RFQ live region */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}