/* ============================================================
   HYTHANE TECHNOLOGIES — design system
   Palette: deep navy + cobalt + warm amber on off-white
   ============================================================ */

:root {
  /* Brand */
  --navy-900: #0A2A5E;
  --navy-800: #133879;
  --navy-700: #1E5BB8;
  --navy-50:  #EEF3FB;

  --amber-600: #C57321;
  --amber-500: #E08E3C;
  --amber-400: #F0A85C;
  --amber-50:  #FDF5EA;

  /* Logo accent (used sparingly outside the mark itself) */
  --brand-red: #F23A36;
  --brand-green: #1FB87A;

  /* Neutrals */
  --ink:        #11192B;
  --ink-soft:   #1A2233;
  --muted:      #5A6478;
  --muted-2:    #8390A4;
  --line:       #E5E9F0;
  --line-soft:  #EEF1F6;
  --surface:    #FFFFFF;
  --bg:         #FAFBFC;
  --bg-tint:    #F2F5FA;

  /* Typography */
  --ff-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --ff-display: 'IBM Plex Serif', 'IBM Plex Sans', Georgia, serif;
  --ff-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;

  /* Layout */
  --container: 1200px;
  --container-wide: 1320px;
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  /* Motion */
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Typography ========== */
.h2 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(1.85rem, 1.3rem + 2.2vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--navy-900);
  margin: 0 0 .5em;
}
.h2 em {
  font-style: italic;
  font-weight: 500;
  color: var(--amber-600);
}
.h2-light { color: #fff; }
.lede {
  font-size: clamp(1.05rem, .98rem + .3vw, 1.2rem);
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 1.4em;
  max-width: 56ch;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--navy-700);
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(224, 142, 60, .15);
}
.eyebrow-light { color: #fff; opacity: .9; }
.eyebrow-light .dot { background: var(--amber-400); box-shadow: 0 0 0 4px rgba(240, 168, 92, .25); }
.eyebrow-center { justify-content: center; }

.section {
  padding: clamp(72px, 6vw, 120px) 0;
  position: relative;
}
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head-center .lede { margin-left: auto; margin-right: auto; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: .95rem;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .25s var(--ease);
}
.btn-sm { padding: 10px 18px; font-size: .9rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-primary {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  color: #fff;
  box-shadow: 0 6px 18px -8px rgba(10, 42, 94, .55);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -8px rgba(10, 42, 94, .55);
}
.btn-ghost-light {
  border-color: rgba(255,255,255,.4);
  color: #fff;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(8px);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.12); }

/* ========== NAV ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav.scrolled {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 rgba(10,42,94,.06), 0 10px 30px -20px rgba(10,42,94,.25);
  padding: 12px 0;
}

.brand {
  display: inline-flex; align-items: center;
  position: relative;
}
.brand-mark {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: opacity .25s var(--ease);
}
/* Nav: show light logo by default (over hero), swap to dark when scrolled */
.brand-mark-light { opacity: 1; filter: drop-shadow(0 1px 2px rgba(0,0,0,.25)); }
.brand-mark-dark  { opacity: 0; position: absolute; inset: 0; }
.nav.scrolled .brand-mark-light { opacity: 0; }
.nav.scrolled .brand-mark-dark  { opacity: 1; }
.nav.scrolled .brand            { color: var(--navy-900); }
.nav.menu-open .brand-mark-light { opacity: 0; }
.nav.menu-open .brand-mark-dark  { opacity: 1; }

.brand-mark-footer { height: 42px; }

.nav-links {
  display: flex; align-items: center; gap: 28px;
  font-size: .92rem;
  font-weight: 500;
}
.nav-links a {
  color: #fff;
  opacity: .88;
  padding: 6px 0;
  position: relative;
}
.nav-links a:hover { opacity: 1; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--amber-500);
  transition: width .25s var(--ease);
}
.nav-links a:hover::after { width: 100%; }
.nav.scrolled .nav-links a { color: var(--ink); opacity: .8; }
.nav.scrolled .nav-links a:hover { opacity: 1; color: var(--navy-900); }

.nav-right { display: flex; align-items: center; gap: 14px; }
.locale {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .78rem;
  letter-spacing: .12em;
  color: rgba(255,255,255,.78);
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
}
.nav.scrolled .locale {
  color: var(--muted);
  border-color: var(--line);
}

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  background: transparent;
  border: 0;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: currentColor;
  margin: 4px 0;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -3;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(10,42,94,.85) 0%, rgba(10,42,94,.55) 45%, rgba(10,42,94,.2) 75%, rgba(10,42,94,.6) 100%),
    linear-gradient(180deg, rgba(0,0,0,.25), rgba(0,0,0,.35));
  z-index: -2;
}
.hero-grain {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
  z-index: -1;
  opacity: .6;
}
.hero-content {
  padding-top: 140px;
  padding-bottom: 80px;
  max-width: 980px;
}
.hero-title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 1.7rem + 4.2vw, 5rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 18px 0 24px;
  text-wrap: balance;
}
.hero-title-accent {
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(90deg, var(--amber-400), var(--amber-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1.05rem, .95rem + .4vw, 1.25rem);
  line-height: 1.55;
  max-width: 60ch;
  opacity: .92;
  margin: 0 0 32px;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 64px;
}
.hero-marquee {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.15);
  max-width: 760px;
}
.hero-marquee span:nth-child(odd) {
  font-weight: 500;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex; flex-direction: column; align-items: center; gap: 10px;
  color: rgba(255,255,255,.7);
  font-size: .72rem;
  letter-spacing: .25em;
  text-transform: uppercase;
}
.hero-scroll-line {
  position: relative;
  width: 1px; height: 36px;
  background: rgba(255,255,255,.2);
  overflow: hidden;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.9), transparent);
  height: 16px;
  animation: scrollDot 2.2s var(--ease) infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(220%); }
}

/* ========== TICKER ========== */
.ticker {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}
.ticker-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.ticker-cell {
  padding: 36px 24px;
  border-right: 1px solid var(--line-soft);
  text-align: left;
}
.ticker-cell:last-child { border-right: 0; }
.ticker-num {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 1rem + 1.4vw, 2.4rem);
  font-weight: 500;
  color: var(--navy-900);
  letter-spacing: -.015em;
  line-height: 1.05;
}
.ticker-num span {
  font-size: .55em;
  color: var(--amber-500);
  font-style: italic;
  font-weight: 400;
}
.ticker-label {
  margin-top: 8px;
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.45;
  max-width: 24ch;
}

/* ========== GRID-2 ========== */
.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

/* ========== ABOUT ========== */
.section-about {
  background:
    radial-gradient(700px 320px at 90% -10%, rgba(30, 91, 184, .08), transparent 70%),
    var(--bg);
}
.about-copy p { color: var(--muted); margin: 0 0 1.1em; }
.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}
.check-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-weight: 500;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 20px; height: 20px;
  border-radius: 6px;
  background: var(--amber-50);
  border: 1px solid var(--amber-400);
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 6px; top: 11px;
  width: 8px; height: 4px;
  border-left: 2px solid var(--amber-600);
  border-bottom: 2px solid var(--amber-600);
  transform: rotate(-45deg);
}

.about-visual {
  position: relative;
  min-height: 420px;
}
.card-stack {
  position: relative;
  height: 100%;
  min-height: 420px;
}
.orbit {
  position: absolute;
  top: 50%; left: 50%;
  width: 460px; height: 460px;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  animation: orbitSpin 60s linear infinite;
}
@keyframes orbitSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.stat-card {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  box-shadow: 0 24px 60px -30px rgba(10, 42, 94, .25);
  z-index: 2;
  min-width: 220px;
}
.stat-card-value {
  font-family: var(--ff-display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--navy-900);
  letter-spacing: -.015em;
}
.stat-card-label {
  font-size: .8rem;
  color: var(--muted);
  margin-top: 6px;
}
.stat-card-1 { top: 4%; left: 0; }
.stat-card-2 { top: 38%; right: 4%; }
.stat-card-3 { bottom: 6%; left: 8%; }
.stat-card-1 { transform: rotate(-1.5deg); }
.stat-card-2 { transform: rotate(.8deg); }
.stat-card-3 { transform: rotate(-.6deg); }

/* ========== TECHNOLOGY ========== */
.section-tech {
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
  position: relative;
}
.section-tech::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 42, 94, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 42, 94, .04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}
.section-tech > .container { position: relative; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px 32px;
  position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -30px rgba(10, 42, 94, .25);
  border-color: rgba(30, 91, 184, .35);
}
.pillar-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--navy-50), #DBE6F7);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-800);
  margin-bottom: 26px;
}
.pillar-num {
  position: absolute;
  top: 28px; right: 28px;
  font-family: var(--ff-display);
  font-size: 1.4rem;
  color: var(--amber-500);
  letter-spacing: -.02em;
}
.pillar h3 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 0 0 12px;
  color: var(--navy-900);
}
.pillar p {
  color: var(--muted);
  font-size: .96rem;
  margin: 0;
  line-height: 1.6;
}

/* Sensor stack diagram */
.stack-diagram {
  background: linear-gradient(135deg, #0A2A5E 0%, #133879 100%);
  border-radius: var(--radius-lg);
  padding: 48px clamp(28px, 4vw, 56px);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stack-diagram::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 142, 60, .25), transparent 65%);
  pointer-events: none;
}
.stack-title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: 1.3rem;
  margin: 0 0 28px;
  position: relative;
}
.stack-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 720px;
  position: relative;
}
.stack-row {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) 1fr;
  gap: 20px;
  align-items: center;
}
.stack-label {
  font-size: .85rem;
  color: rgba(255,255,255,.8);
  letter-spacing: .01em;
}
.stack-bar {
  height: 14px;
  border-radius: 4px;
  background: rgba(255,255,255,.1);
  position: relative;
  overflow: hidden;
}
.stack-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--amber-500), transparent);
  width: var(--w, 60%);
  border-radius: 4px;
  opacity: .9;
}
.stack-row-1 .stack-bar::after { --w: 90%; background: linear-gradient(90deg, #fff, transparent); opacity: .7; }
.stack-row-2 .stack-bar::after { --w: 75%; background: linear-gradient(90deg, var(--navy-700), transparent); opacity: 1; }
.stack-row-3 .stack-bar::after { --w: 60%; background: linear-gradient(90deg, var(--amber-400), transparent); }
.stack-row-4 .stack-bar::after { --w: 88%; background: linear-gradient(90deg, var(--amber-500), var(--amber-600), transparent); }
.stack-row-5 .stack-bar::after { --w: 45%; background: linear-gradient(90deg, #C7CFDE, transparent); }

.stack-molecules {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.stack-molecules span {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber-400);
  opacity: .9;
  filter: drop-shadow(0 0 6px rgba(240, 168, 92, .8));
  animation: floatGas 6s ease-in-out infinite;
}
.stack-molecules span:nth-child(1) { top: 10%; left: 70%; animation-delay: 0s; }
.stack-molecules span:nth-child(2) { top: 25%; left: 85%; animation-delay: .8s; }
.stack-molecules span:nth-child(3) { top: 5%;  left: 92%; animation-delay: 1.6s; }
.stack-molecules span:nth-child(4) { top: 18%; left: 78%; animation-delay: 2.4s; }
.stack-molecules span:nth-child(5) { top: 32%; left: 90%; animation-delay: 3.2s; }
.stack-molecules span:nth-child(6) { top: 15%; left: 68%; animation-delay: 4s; }
@keyframes floatGas {
  0%, 100% { transform: translateY(0); opacity: .9; }
  50%      { transform: translateY(-22px); opacity: .4; }
}

/* ========== PRODUCTS ========== */
.section-products { background: var(--bg); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 184, .08), transparent 70%);
  z-index: 0;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px -30px rgba(10, 42, 94, .22);
}
.product-card > * { position: relative; z-index: 1; }

/* Product image — compact panel at top of card */
.product-image {
  margin: -26px -26px 20px;
  aspect-ratio: 16 / 7;
  background:
    radial-gradient(60% 80% at 50% 110%, rgba(10, 42, 94, .07), transparent 70%),
    linear-gradient(180deg, #F5F8FD 0%, #EAF1FA 100%);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 42, 94, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 42, 94, .04) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, transparent 20%, #000 90%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, transparent 20%, #000 90%);
  pointer-events: none;
}
.product-image img {
  width: 82%;
  height: 86%;
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(10, 42, 94, .15));
  transition: transform .5s var(--ease);
}
.product-card:hover .product-image img {
  transform: translateY(-2px) scale(1.02);
}

.product-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.product-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy-50), #DBE6F7);
  color: var(--navy-800);
  display: flex; align-items: center; justify-content: center;
}
.product-icon svg { width: 26px; height: 26px; }
.product-tag {
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber-600);
  background: var(--amber-50);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(224, 142, 60, .25);
}
.product-card h3 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.25rem;
  margin: 0 0 8px;
  color: var(--navy-900);
  letter-spacing: -.01em;
}
.product-blurb {
  color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.55;
  font-size: .92rem;
}
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.spec-grid > div { display: flex; flex-direction: column; gap: 2px; }
.spec-grid dt {
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.spec-grid dd {
  margin: 0;
  font-size: .88rem;
  color: var(--ink);
  font-weight: 500;
}

.products-note {
  text-align: center;
  margin: 48px 0 0;
  color: var(--muted);
}
.products-note a { color: var(--navy-700); font-weight: 500; }
.products-note a:hover { color: var(--amber-600); }

/* ============ FEATURED PRODUCT (e-Sniffer) ============ */
.featured-product {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 30px 60px -40px rgba(10, 42, 94, .2);
}
.featured-product-image {
  position: relative;
  background:
    radial-gradient(60% 80% at 50% 110%, rgba(10, 42, 94, .08), transparent 70%),
    linear-gradient(180deg, #F5F8FD 0%, #E8EFF8 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 32px;
  min-height: 420px;
  overflow: hidden;
}
.featured-product-image img {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.6) inset,
    0 20px 40px -20px rgba(10, 42, 94, .35),
    0 2px 6px rgba(10, 42, 94, .12);
  z-index: 1;
}
.featured-badge {
  z-index: 2;
}
.featured-badge {
  position: absolute;
  top: 22px; left: 22px;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--amber-600);
  background: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  box-shadow: 0 6px 18px -10px rgba(10, 42, 94, .25);
  z-index: 2;
}
.featured-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(224, 142, 60, .25);
}

.featured-product-content {
  padding: 44px;
  display: flex; flex-direction: column;
  gap: 18px;
}
.featured-product-content .product-tag {
  align-self: flex-start;
  margin-bottom: 4px;
}
.featured-product-content h3 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.1rem);
  color: var(--navy-900);
  letter-spacing: -.015em;
  margin: 0;
  line-height: 1.1;
}
.featured-product-content .product-blurb {
  color: var(--muted);
  font-size: .98rem;
  margin: 0;
  line-height: 1.6;
}
.featured-product-content .check-list {
  margin: 0;
}
.featured-product-content .check-list li {
  font-size: .92rem;
  margin-bottom: 8px;
  font-weight: 400;
  color: var(--ink-soft);
}

.featured-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 18px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  margin: 6px 0 4px;
}
.featured-highlights .highlight {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.featured-highlights .highlight strong {
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--navy-900);
  letter-spacing: -.02em;
  line-height: 1;
}
.featured-highlights .highlight span {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 6px;
}

.featured-modes {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  margin-top: 4px;
  font-size: .82rem;
}
.featured-modes .modes-label {
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-right: 4px;
}
.featured-modes span:not(.modes-label) {
  background: var(--navy-50);
  color: var(--navy-800);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}

/* Featured CTA (shown when a gas is selected) */
.featured-cta {
  margin-top: 6px;
}
.featured-cta .btn {
  padding: 12px 18px;
}

/* Range variants panel (shown when a gas is selected) */
.featured-variants {
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.variants-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  margin-bottom: 12px;
}
.variants-label {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--navy-900);
}
.variants-label #variants-count {
  font-family: var(--ff-mono);
  font-weight: 400;
  color: var(--amber-600);
  letter-spacing: 0;
  margin-left: 4px;
}
.variants-note {
  font-size: .72rem;
  color: var(--muted-2);
  letter-spacing: .01em;
}
.variants-list {
  display: flex; flex-wrap: wrap;
  gap: 8px;
}
.variant-pill {
  display: inline-flex; align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: .86rem;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.variant-pill:hover {
  border-color: rgba(30, 91, 184, .35);
  background: #fff;
}
.variant-pill-num {
  font-family: var(--ff-mono);
  font-size: .7rem;
  font-weight: 500;
  color: var(--muted-2);
  letter-spacing: 0;
}
.variant-pill-range {
  font-family: var(--ff-mono);
  font-size: .82rem;
  color: var(--navy-900);
  font-weight: 500;
  letter-spacing: 0;
}

/* When the featured product is in 'selected gas' mode */
.featured-product.is-selected .featured-badge {
  background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
  color: #fff;
}
.featured-product.is-selected .featured-badge::before {
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,.35);
}

/* ============ GAS PANEL ============ */
.gas-panel {
  background:
    radial-gradient(500px 240px at 90% 0%, rgba(224, 142, 60, .08), transparent 70%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 36px 32px;
  margin-bottom: 28px;
}
.gas-panel-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.gas-panel-head h4 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--navy-900);
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.gas-panel-head p {
  color: var(--muted);
  font-size: .92rem;
  margin: 0;
  max-width: 56ch;
}
.gas-panel-meta {
  background: var(--navy-50);
  color: var(--navy-800);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 999px;
  white-space: nowrap;
  align-self: flex-start;
}
.gas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}
.gas-chip {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.gas-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(30, 91, 184, .35);
  background: #fff;
}
.gas-chip:focus-visible {
  outline: 2px solid var(--navy-700);
  outline-offset: 2px;
}
.gas-chip.is-active {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  border-color: var(--navy-900);
  box-shadow: 0 12px 28px -14px rgba(10, 42, 94, .55);
  transform: translateY(-1px);
}
.gas-chip.is-active .gas-name { color: #fff; font-weight: 600; }
.gas-chip.is-active .gas-variants {
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.25);
  color: #fff;
}
.gas-name {
  font-size: .9rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.gas-variants {
  font-family: var(--ff-mono);
  font-size: .82rem;
  color: var(--amber-600);
  background: var(--amber-50);
  border: 1px solid rgba(224, 142, 60, .25);
  border-radius: 6px;
  padding: 2px 8px;
  font-weight: 500;
  letter-spacing: 0;
  min-width: 28px;
  text-align: center;
}
.gas-chip-feature {
  background: linear-gradient(135deg, var(--navy-50), #DCE6F7);
  border-color: rgba(30, 91, 184, .25);
}
.gas-chip-feature .gas-name { color: var(--navy-900); font-weight: 600; }

/* ============ SPEC PILLARS ============ */
.spec-pillars {
  margin-bottom: 28px;
}
.spec-pillars-head {
  margin-bottom: 22px;
  display: flex; align-items: baseline; justify-content: space-between;
}
.spec-pillars-head h4 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--navy-900);
  margin: 0;
  letter-spacing: -.01em;
}
.spec-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.spec-pillar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.spec-pillar:hover {
  transform: translateY(-2px);
  border-color: rgba(30, 91, 184, .25);
}
.spec-pillar-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-50), #DCE6F7);
  color: var(--navy-800);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.spec-pillar h5 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--navy-900);
  margin: 0 0 12px;
  letter-spacing: -.01em;
}
.spec-pillar dl {
  display: flex; flex-direction: column;
  gap: 10px;
  margin: 0;
}
.spec-pillar dl > div {
  display: flex; flex-direction: column;
  gap: 2px;
}
.spec-pillar dt {
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 500;
}
.spec-pillar dd {
  margin: 0;
  font-size: .84rem;
  color: var(--ink);
  line-height: 1.45;
}

/* ============ CERT STRIP ============ */
.cert-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 10px 16px;
  padding: 18px 28px;
  background: linear-gradient(135deg, #0A2A5E 0%, #133879 100%);
  color: rgba(255,255,255,.85);
  border-radius: var(--radius);
  font-size: .82rem;
  letter-spacing: .04em;
  font-weight: 500;
}
.cert-strip span:not(.cert-dot) {
  white-space: nowrap;
}
.cert-strip .cert-dot {
  color: var(--amber-400);
  opacity: .6;
}

/* ============ RESPONSIVE: PRODUCTS ============ */
@media (max-width: 980px) {
  .featured-product { grid-template-columns: 1fr; }
  .featured-product-image { min-height: 280px; padding: 32px; }
  .featured-product-content { padding: 32px; }
  .featured-highlights { grid-template-columns: repeat(4, 1fr); padding: 14px; gap: 8px; }
  .featured-highlights .highlight strong { font-size: 1.1rem; }
  .gas-panel { padding: 28px 24px 24px; }
  .spec-pillars-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .featured-highlights { grid-template-columns: repeat(2, 1fr); }
  .gas-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-product-content { padding: 24px; gap: 14px; }
  .featured-product-image { padding: 24px; min-height: 220px; }
  .gas-panel-head { flex-direction: column; }

  /* Specifications at a glance — horizontal slider on mobile */
  .spec-pillars-grid {
    display: flex;
    grid-template-columns: none;
    gap: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    margin-inline: -24px;
    padding: 4px 24px 14px;
    scrollbar-width: thin;
    scrollbar-color: rgba(10, 42, 94, .25) transparent;
  }
  .spec-pillar {
    flex: 0 0 78%;
    min-width: 78%;
    scroll-snap-align: start;
  }
  .spec-pillars-grid::-webkit-scrollbar { height: 4px; }
  .spec-pillars-grid::-webkit-scrollbar-thumb {
    background: rgba(10, 42, 94, .25);
    border-radius: 999px;
  }
  .spec-pillars-grid::-webkit-scrollbar-track { background: transparent; }

  /* Small swipe hint in the section header */
  .spec-pillars-head::after {
    content: 'swipe →';
    font-family: var(--ff-mono);
    font-size: .7rem;
    letter-spacing: .04em;
    color: var(--muted-2);
    align-self: center;
  }
}

/* ========== INDUSTRIES ========== */
.section-industries {
  background: var(--surface);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}
.industry-card {
  background: var(--surface);
  padding: 38px 32px;
  transition: background .25s var(--ease);
  position: relative;
}
.industry-card:hover {
  background: var(--bg-tint);
}
.industry-icon {
  width: 40px; height: 40px;
  color: var(--navy-700);
  margin-bottom: 22px;
}
.industry-card h4 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.2rem;
  color: var(--navy-900);
  margin: 0 0 8px;
}
.industry-card p {
  color: var(--muted);
  font-size: .92rem;
  margin: 0;
}
.industry-card-feature {
  background: linear-gradient(135deg, var(--amber-50), #FFF7EB);
}
.industry-card-feature:hover { background: linear-gradient(135deg, #FBE9CF, var(--amber-50)); }
.industry-card-feature .industry-icon { color: var(--amber-600); }

/* ========== BANNER ========== */
.banner {
  background:
    radial-gradient(800px 400px at 10% 20%, rgba(30, 91, 184, .25), transparent 70%),
    linear-gradient(135deg, #0A2A5E 0%, #061B40 100%);
  color: #fff;
  padding: clamp(80px, 8vw, 130px) 0;
  position: relative;
  overflow: hidden;
}
.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: .5;
  pointer-events: none;
}
.banner-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.banner-text p {
  color: rgba(255,255,255,.78);
  font-size: 1.06rem;
  max-width: 52ch;
  margin: 0;
}
.banner-accent {
  background: linear-gradient(90deg, var(--amber-400), var(--amber-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 400;
}
.banner-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner-visual svg {
  width: min(100%, 360px);
  filter: drop-shadow(0 12px 40px rgba(0,0,0,.3));
}

/* ========== TEAM ========== */
.section-team { background: var(--bg); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -25px rgba(10, 42, 94, .25);
}
.team-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: 0 8px 20px -10px rgba(10, 42, 94, .35);
}
.team-card h4 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--navy-900);
  margin: 0 0 4px;
}
.team-role {
  font-size: .8rem;
  color: var(--amber-600);
  margin: 0 0 12px;
  font-weight: 500;
  letter-spacing: .02em;
}
.team-bio {
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.55;
  margin: 0;
}
.team-note {
  text-align: center;
  margin: 56px 0 0;
  color: var(--muted);
}
.team-note a { color: var(--navy-700); font-weight: 500; }
.team-note a:hover { color: var(--amber-600); }

/* ========== NEWS ========== */
.section-news {
  background:
    radial-gradient(600px 300px at 90% 10%, rgba(224, 142, 60, .08), transparent 70%),
    var(--surface);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.news-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.news-card:hover {
  transform: translateY(-2px);
  border-color: rgba(30, 91, 184, .35);
}
.news-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
  font-size: .85rem;
}
.news-tag {
  background: var(--navy-50);
  color: var(--navy-800);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.news-meta time { color: var(--muted-2); font-size: .82rem; }
.news-card h4 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.2rem;
  color: var(--navy-900);
  margin: 0 0 8px;
  line-height: 1.3;
}
.news-card p { color: var(--muted); margin: 0; font-size: .94rem; line-height: 1.55; }

/* ========== CONTACT ========== */
.section-contact {
  background:
    radial-gradient(700px 320px at 80% -10%, rgba(30, 91, 184, .07), transparent 70%),
    var(--bg);
}
.grid-2-contact {
  grid-template-columns: 1fr 1.05fr;
  align-items: start;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  font-size: .95rem;
  color: var(--ink);
  align-items: start;
}
.contact-list-label {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding-top: 4px;
}
.contact-list a { color: var(--navy-700); font-weight: 500; }
.contact-list a:hover { color: var(--amber-600); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 30px 60px -40px rgba(10, 42, 94, .25);
}
.contact-form h3 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 24px;
  color: var(--navy-900);
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 500;
}
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: .98rem;
  padding: 12px 14px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--navy-700);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(30, 91, 184, .12);
}
.field textarea { resize: vertical; min-height: 100px; }
.contact-form .btn { margin-top: 8px; }
.form-success {
  margin-top: 14px;
  padding: 12px 14px;
  background: #ECF8F0;
  border: 1px solid #CFEED9;
  border-radius: var(--radius-sm);
  color: #166534;
  font-size: .92rem;
  text-align: center;
}

/* ========== FOOTER ========== */
.footer {
  background: #061B40;
  color: rgba(255,255,255,.78);
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15) 30%, rgba(255,255,255,.15) 70%, transparent);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 60px;
}
.footer .brand { color: #fff; margin-bottom: 16px; }
.footer-tag {
  max-width: 28ch;
  font-size: .9rem;
  line-height: 1.55;
  color: rgba(255,255,255,.6);
  margin: 0;
}
.footer-col h5 {
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 18px;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex; flex-direction: column;
  gap: 10px;
  font-size: .92rem;
}
.footer-col a {
  color: rgba(255,255,255,.7);
  display: inline-flex; align-items: center; gap: 8px;
}
.footer-col a:hover { color: var(--amber-400); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  background: rgba(0,0,0,.2);
}
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}
.footer-bottom-links { display: inline-flex; gap: 10px; }
.footer-bottom-links a:hover { color: var(--amber-400); }

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; color: #fff; }
  .nav.scrolled .nav-toggle { color: var(--navy-900); }
  .locale { display: none; }

  .nav.menu-open { background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
  .nav.menu-open .brand,
  .nav.menu-open .nav-toggle { color: var(--navy-900); }
  .nav.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    padding: 12px 24px 24px;
    gap: 4px;
    box-shadow: 0 24px 50px -30px rgba(10,42,94,.4);
    border-bottom: 1px solid var(--line);
  }
  .nav.menu-open .nav-links a {
    color: var(--ink);
    padding: 14px 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-2-contact { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .banner-inner { grid-template-columns: 1fr; }
  .banner-visual { order: -1; }
  .banner-visual svg { width: 220px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-col-brand { grid-column: 1 / -1; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }

  .ticker-inner { grid-template-columns: 1fr 1fr; }
  .ticker-cell:nth-child(2) { border-right: 0; }
  .ticker-cell:nth-child(1), .ticker-cell:nth-child(2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .stack-row { grid-template-columns: 1fr; gap: 6px; }
  .stack-label { font-size: .8rem; }

  .about-visual { min-height: 380px; }
  .stat-card { min-width: 200px; padding: 18px 22px; }
  .orbit { width: 360px; height: 360px; }

  .hero-content { padding-top: 110px; }
  .hero-scroll { display: none; }
}

@media (max-width: 600px) {
  .industry-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .product-card { padding: 28px 24px; }
  .spec-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 24px; }
  .contact-list li { grid-template-columns: 1fr; gap: 4px; }
  .ticker-cell { padding: 24px 16px; }
  .stack-diagram { padding: 36px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .orbit, .stack-molecules span, .hero-scroll-line::after { animation: none; }
  html { scroll-behavior: auto; }
}