/* =========================================================
   서래바이오 — Design System
   Premium · Clinical · Bio-green
   Type:  Pretendard (KR/UI) + IBM Plex Mono (labels/figures)
   ========================================================= */

:root {
  /* — Neutrals (clean, faint green-tinted white) — */
  --bg:        #F5F8F4;
  --surface:   #FFFFFF;
  --paper:     #FAFCF9;
  --ink:       #191919;   /* brand ink */
  --ink-2:     #3D423E;
  --ink-3:     #71776F;
  --line:      #E6EAE4;
  --line-2:    #D4DACE;

  /* — Bio greens (brand #009A3E) — */
  --green-950: #042312;
  --green-900: #063318;
  --green-800: #074a23;   /* dark panels */
  --green-700: #00802F;   /* deep brand */
  --green-600: #008C36;
  --green-500: #009A3E;   /* BRAND primary */
  --green-400: #34B364;
  --green-300: #82D4A6;
  --green-200: #BDE9CF;
  --green-100: #E4F5EB;
  --green-50:  #F2FAF5;

  /* — Roles — */
  --primary:   var(--green-500);
  --primary-2: var(--green-600);
  --accent:    #34B364;

  /* — Type — */
  --sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* — Metrics — */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 72px);
  --radius: 4px;
  --radius-lg: 10px;
}

/* ---------------------------------- reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--green-200); color: var(--green-900); }

/* ---------------------------------- layout helpers */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 10vw, 148px); }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--primary-2);
  display: inline-block;
}
h1, h2, h3, h4 { font-weight: 700; line-height: 1.12; letter-spacing: -0.03em; color: var(--ink); }
.display {
  font-size: clamp(34px, 5vw, 70px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.h2 { font-size: clamp(28px, 4vw, 52px); }
.h3 { font-size: clamp(20px, 2.2vw, 28px); letter-spacing: -0.02em; }
.lead { font-size: clamp(16px, 1.5vw, 20px); color: var(--ink-2); line-height: 1.7; text-wrap: pretty; }
.muted { color: var(--ink-3); }
.serif-figure { font-family: var(--mono); font-feature-settings: "tnum"; }

/* ---------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  font-size: 15px; font-weight: 600;
  border-radius: 999px;
  transition: all .25s cubic-bezier(.2,.7,.3,1);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--green-800); transform: translateY(-1px); }
.btn-ghost { color: var(--ink); border: 1px solid var(--line-2); background: var(--surface); }
.btn-ghost:hover { border-color: var(--primary-2); color: var(--primary); }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(3px); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: 76px;
  display: flex; align-items: center;
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo-img { height: 27px; width: auto; display: block; }
.footer .brand .logo-img { height: 30px; }

.menu { display: flex; align-items: center; gap: 4px; }
.menu a {
  padding: 9px 16px; font-size: 15px; font-weight: 500; color: var(--ink-2);
  border-radius: 999px; transition: color .2s, background .2s;
}
.menu a:hover { color: var(--primary); background: var(--green-50); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

.hamb { display: none; width: 42px; height: 42px; border-radius: 10px; place-items: center; }
.hamb span { display: block; width: 20px; height: 1.6px; background: var(--ink); position: relative; transition: .3s; }
.hamb span::before, .hamb span::after { content: ""; position: absolute; left: 0; width: 20px; height: 1.6px; background: var(--ink); transition: .3s; }
.hamb span::before { top: -6px; } .hamb span::after { top: 6px; }
.nav.open .hamb span { background: transparent; }
.nav.open .hamb span::before { top: 0; transform: rotate(45deg); }
.nav.open .hamb span::after { top: 0; transform: rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 76px 0 0 0; z-index: 99;
  background: var(--bg);
  padding: 28px var(--gutter) 48px;
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s;
  display: flex; flex-direction: column; gap: 4px;
}
.nav.open .drawer { opacity: 1; transform: none; pointer-events: auto; }
.drawer a { font-size: 22px; font-weight: 700; padding: 16px 0; border-bottom: 1px solid var(--line); letter-spacing: -0.03em; }
.drawer .btn { margin-top: 24px; justify-content: center; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; padding-top: 152px; padding-bottom: clamp(60px, 8vw, 110px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; z-index: -1;
  top: -20%; right: -10%; width: 60vw; height: 80vh;
  background: radial-gradient(circle at center, var(--green-100), transparent 68%);
  filter: blur(10px);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { margin: 22px 0 26px; }
.hero h1 .grn { color: var(--primary); }
.hero .lead { max-width: 30ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

.hero-visual { position: relative; aspect-ratio: 4/5; }
/* hero brand visual (illustrated) */
.hero-art { position: relative; width: 100%; height: 100%; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--green-800); box-shadow: 0 36px 70px -38px rgba(4,35,18,.55); }
.hero-art-bg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-chip { position: absolute; display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.94); backdrop-filter: blur(6px); border-radius: 999px; padding: 9px 15px; font-size: 13px; font-weight: 600; color: var(--ink); box-shadow: 0 12px 28px -14px rgba(4,35,18,.5); white-space: nowrap; }
.hero-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }
.hero-chip strong { color: var(--primary); font-weight: 700; }
.hero-chip b { font-family: var(--mono); color: var(--primary); font-weight: 600; }
.hero-chip.chip-1 { top: 8%; left: 8%; animation: float 6s ease-in-out infinite; }
.hero-chip.chip-2 { top: 44%; right: 6%; animation: float 6s ease-in-out infinite 1.6s; }
.hero-chip.chip-3 { bottom: 8%; left: 8%; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.02em; animation: float 6s ease-in-out infinite 0.8s; }
@keyframes float { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-7px); } }
@media (prefers-reduced-motion: reduce){ .hero-chip { animation: none; } }
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; margin-top: clamp(48px, 7vw, 88px);
}
.stat { background: var(--surface); padding: 28px clamp(18px, 2vw, 30px); }
.stat .num { font-family: var(--mono); font-size: clamp(30px, 4vw, 46px); font-weight: 500; letter-spacing: -0.03em; color: var(--primary); }
.stat .num small { font-size: 0.5em; }
.stat .lbl { font-size: 14px; color: var(--ink-3); margin-top: 6px; }

/* image placeholder */
.ph {
  position: relative; width: 100%; height: 100%;
  background:
    repeating-linear-gradient(135deg, var(--green-50) 0 10px, transparent 10px 20px),
    var(--green-100);
  border: 1px solid var(--line-2); border-radius: var(--radius-lg);
  display: grid; place-items: center; overflow: hidden;
}
.ph span {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--green-600); background: var(--surface);
  padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-2);
  white-space: nowrap;
}
.ph .pimg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
}

/* ============================================================
   MARQUEE / capability strip
   ============================================================ */
.strip { border-block: 1px solid var(--line); background: var(--paper); }
.strip .wrap { display: flex; align-items: center; gap: clamp(28px, 5vw, 64px); flex-wrap: wrap; padding-block: 30px; }
.strip .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }
.strip .items { display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 52px); }
.strip .items span { font-size: clamp(16px, 1.8vw, 22px); font-weight: 600; color: var(--ink-2); letter-spacing: -0.02em; }
.strip .items span b { color: var(--primary-2); font-weight: 600; }

/* ============================================================
   SECTION HEADER block
   ============================================================ */
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: end; margin-bottom: clamp(40px, 5vw, 64px); }
.sec-head .h2 { margin-top: 18px; }
.sec-head .lead { padding-bottom: 6px; }

/* ============================================================
   VALUE CHAIN (사업분야)
   ============================================================ */
.chain { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.cap {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px 30px;
  display: flex; flex-direction: column; gap: 16px;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s, border-color .3s;
  position: relative; overflow: hidden;
}
.cap:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -28px rgba(11,45,32,.35); border-color: var(--green-200); }
.cap .idx { font-family: var(--mono); font-size: 12px; color: var(--green-400); letter-spacing: 0.1em; }
.cap .ic { width: 52px; height: 52px; border-radius: 13px; background: var(--green-50); display: grid; place-items: center; border: 1px solid var(--green-100); }
.cap .ic svg { width: 26px; height: 26px; stroke: var(--primary); }
.cap h3 { font-size: 22px; }
.cap p { font-size: 15px; color: var(--ink-2); line-height: 1.65; }
.cap .tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 6px; }
.cap .tags span { font-family: var(--mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); padding: 4px 9px; border-radius: 999px; white-space: nowrap; }
.cap.span6 { grid-column: span 6; } .cap.span4 { grid-column: span 4; } .cap.span12 { grid-column: span 12; }
.cap.feature { background: linear-gradient(160deg, var(--green-800), var(--green-950)); border-color: var(--green-800); color: #fff; }
.cap.feature .idx { color: var(--green-300); }
.cap.feature h3, .cap.feature p { color: #fff; }
.cap.feature p { color: rgba(255,255,255,.78); }
.cap.feature .ic { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.cap.feature .ic svg { stroke: var(--green-300); }
.cap.feature .tags span { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.18); }
.cap-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 13.5px; font-weight: 600; color: var(--primary); transition: gap .2s; }
.cap-more:hover { gap: 10px; }
.cap.feature .cap-more { color: var(--green-300); }

/* ============================================================
   SPLIT (회사소개 / why)
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: center; }
.split.dark { background: var(--green-950); color: #fff; border-radius: 20px; padding: clamp(40px, 5vw, 76px); }
.why-list { display: flex; flex-direction: column; gap: 0; margin-top: 30px; }
.why-item { display: grid; grid-template-columns: auto 1fr; gap: 20px; padding: 24px 0; border-top: 1px solid var(--line); }
.split.dark .why-item { border-top-color: rgba(255,255,255,.12); }
.why-item .n { font-family: var(--mono); font-size: 13px; color: var(--primary-2); padding-top: 4px; }
.split.dark .why-item .n { color: var(--green-300); }
.why-item h4 { font-size: 20px; margin-bottom: 7px; }
.why-item p { font-size: 15px; color: var(--ink-2); }
.split.dark .why-item p { color: rgba(255,255,255,.72); }

/* ============================================================
   R&D / facility band
   ============================================================ */
.facility { background: var(--green-950); color: #fff; }
.facility .eyebrow { color: var(--green-300); }
.facility .eyebrow::before { background: var(--green-300); }
.facility .h2 { color: #fff; }
.cert-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.cert {
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg);
  padding: 26px 24px; background: rgba(255,255,255,.03);
}
.cert .big { font-family: var(--mono); font-size: 30px; font-weight: 500; color: var(--green-300); letter-spacing: -0.02em; }
.cert .cap-t { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 8px; }

/* ============================================================
   PRODUCTS / pipeline
   ============================================================ */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
/* compact home product grid (matches products page) */
.home-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
.home-grid .prod .ph { aspect-ratio: 1/1; }
.home-grid .prod .body { padding: 12px 14px 16px; }
.home-grid .prod h4 { font-size: 15px; margin: 4px 0 0; }
.home-grid .prod .kind { font-size: 10px; }
.prod {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform .3s, box-shadow .3s;
}
.prod:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -30px rgba(11,45,32,.35); }
.prod .ph { aspect-ratio: 4/3; border: none; border-bottom: 1px solid var(--line); border-radius: 0; }
.prod .body { padding: 22px 24px 26px; }
.prod .kind { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--green-500); }
.prod h4 { font-size: 19px; margin: 9px 0 8px; }
.prod p { font-size: 14px; color: var(--ink-3); }
.prod .stage { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.prod .stage i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); display: inline-block; }

/* ============================================================
   NEWS
   ============================================================ */
.news-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.news-row {
  display: grid; grid-template-columns: 150px 1fr auto; gap: 28px; align-items: center;
  padding: 28px 8px; border-bottom: 1px solid var(--line);
  transition: background .25s, padding .25s;
}
.news-row:hover { background: var(--surface); padding-inline: 22px; }
.news-row .date { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.news-row .tag { font-family: var(--mono); font-size: 11px; color: var(--primary-2); border: 1px solid var(--green-200); padding: 3px 9px; border-radius: 999px; display: inline-block; margin-bottom: 9px; white-space: nowrap; }
.news-row h4 { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; }
.news-row .arr { color: var(--ink-3); transition: transform .25s, color .25s; }
.news-row:hover .arr { transform: translateX(4px); color: var(--primary); }

/* ============================================================
   CTA / careers
   ============================================================ */
.cta-band {
  background: linear-gradient(150deg, var(--green-700), var(--green-950));
  border-radius: 22px; padding: clamp(44px, 6vw, 88px);
  color: #fff; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -8%; bottom: -40%;
  width: 46%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(127,198,162,.32), transparent 70%);
}
.cta-band .inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.cta-band h2 { color: #fff; font-size: clamp(28px, 3.6vw, 46px); }
.cta-band p { color: rgba(255,255,255,.8); margin-top: 16px; font-size: 17px; }
.cta-band .btn-primary { background: #fff; color: var(--green-800); }
.cta-band .btn-primary:hover { background: var(--green-100); }
.cta-actions { display: flex; gap: 14px; justify-content: flex-end; flex-wrap: wrap; }

/* ============================================================
   CONTACT + FOOTER
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); }
.info-list { display: flex; flex-direction: column; gap: 0; margin-top: 26px; }
.info-row { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 20px 0; border-top: 1px solid var(--line); }
.info-row .k { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); padding-top: 3px; }
.info-row .v { font-size: 16px; color: var(--ink); font-weight: 500; }
.info-row .v small { display: block; color: var(--ink-3); font-weight: 400; font-size: 14px; margin-top: 3px; }
.map-ph { width: 100%; height: 100%; min-height: 320px; }

/* embedded map */
.map-wrap { position: relative; width: 100%; height: 100%; min-height: 360px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); }
.map-wrap iframe { width: 100%; height: 100%; min-height: 360px; border: 0; display: block; }
.map-links { position: absolute; left: 14px; bottom: 14px; display: flex; gap: 8px; }
.map-links a { background: var(--surface); border: 1px solid var(--line-2); border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 600; color: var(--ink); box-shadow: 0 6px 16px -8px rgba(11,45,32,.35); transition: border-color .2s, color .2s; }
.map-links a:hover { border-color: var(--primary); color: var(--primary); }

.footer { background: var(--green-950); color: rgba(255,255,255,.7); padding-block: 64px 40px; }
.footer .top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer .brand .name .ko { color: #fff; } .footer .brand .name .en { color: rgba(255,255,255,.45); }
.footer h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,.45); margin-bottom: 18px; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { font-size: 14px; color: rgba(255,255,255,.72); transition: color .2s; }
.footer ul a:hover { color: var(--green-300); }
.footer .desc { font-size: 14px; line-height: 1.7; margin-top: 18px; max-width: 30ch; color: rgba(255,255,255,.6); }
.footer .bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 28px; font-size: 12.5px; color: rgba(255,255,255,.45); }
.footer .bottom .mono { font-family: var(--mono); letter-spacing: 0.04em; }
.footer .legal { max-width: 70ch; line-height: 1.7; }

/* ============================================================
   WHY / COMPETITIVE EDGE
   ============================================================ */
.edge-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 56px; }
.edge {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 26px; display: flex; flex-direction: column; gap: 12px;
}
.edge .n { font-family: var(--mono); font-size: 12px; color: var(--green-400); letter-spacing: 0.08em; }
.edge h4 { font-size: 18px; line-height: 1.3; }
.edge p { font-size: 14px; color: var(--ink-2); line-height: 1.6; }

/* comparison table */
.compare { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }
.crow { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.25fr; align-items: stretch; }
.crow + .crow { border-top: 1px solid var(--line); }
.crow > div { padding: 18px 24px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.crow .lbl { font-weight: 600; color: var(--ink); }
.chead > div { background: var(--paper); font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); }
.crow .own { background: var(--green-50); }
.chead .own { color: var(--primary); font-weight: 600; }
.crow .own { font-weight: 600; color: var(--ink); border-inline: 1px solid var(--green-100); }
.ck { color: var(--primary); font-weight: 700; }
.cx { color: var(--line-2); font-weight: 700; }
.cd { color: var(--ink-3); }
.compare .note { font-size: 13px; }

/* track record band */
.trk { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-top: 40px; }
.trk-item { background: var(--surface); padding: 30px clamp(18px, 2vw, 32px); }
.trk-item .num { font-family: var(--mono); font-size: clamp(28px, 3.4vw, 42px); font-weight: 500; letter-spacing: -0.03em; color: var(--primary); }
.trk-item .lbl { font-size: 14px; color: var(--ink-3); margin-top: 8px; }
.trk-caption { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); margin-top: 20px; letter-spacing: 0.02em; line-height: 1.7; }
.trk-caption b { color: var(--primary-2); font-weight: 500; }

/* ============================================================
   REVEAL animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .menu, .nav-cta .btn { display: none; }
  .hamb { display: grid; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 16/11; max-height: 420px; }
  .split, .contact-grid, .cta-band .inner { grid-template-columns: 1fr; }
  .sec-head { grid-template-columns: 1fr; }
  .cert-row { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .home-grid { grid-template-columns: repeat(2, 1fr); }
  .footer .top { grid-template-columns: 1fr 1fr; }
  .cta-actions { justify-content: flex-start; }
  .cap.span6, .cap.span4 { grid-column: span 6; }
  .edge-cards { grid-template-columns: repeat(2, 1fr); }
  .trk { grid-template-columns: repeat(2, 1fr); }
  .compare-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .compare { min-width: 600px; }
}
@media (max-width: 600px) {
  .hero-stats { grid-template-columns: 1fr; }
  .cert-row, .prod-grid { grid-template-columns: 1fr; }
  .footer .top { grid-template-columns: 1fr; }
  .chain { grid-template-columns: 1fr; }
  .cap.span6, .cap.span4, .cap.span12 { grid-column: span 1; }
  .news-row { grid-template-columns: 1fr auto; }
  .news-row .date { grid-column: 1 / -1; }
  .info-row { grid-template-columns: 1fr; gap: 4px; }
  .edge-cards { grid-template-columns: 1fr; }
  .trk { grid-template-columns: 1fr 1fr; }
}