/* =========================================================
   OcuOS — Landing  ·  "Clinical Precision Tech"
   ========================================================= */

:root {
  /* base */
  --bg:        #F7F9FB;
  --bg-elev:   #FFFFFF;
  --ink-900:   #0A1A24;
  --ink-700:   #243947;
  --ink-500:   #5A6F7D;
  --ink-300:   #93A4AF;
  --line:      #E3E9EE;

  /* brand — "OcuOS lens" */
  --iris-600:  #0E7C86;
  --iris-500:  #12A3AE;
  --iris-300:  #6FD8DE;
  --aperture:  #0B5E66;
  --signal:    #F0B429;

  /* dark */
  --night:     #06141B;
  --night-2:   #0B222B;
  --night-line: rgba(255,255,255,0.10);

  --maxw: 1200px;
  --pad:  clamp(20px, 5vw, 64px);
  --radius: 16px;

  --font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", system-ui, sans-serif;
  --font-disp: "Space Grotesk", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink-700);
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--iris-300); color: var(--night); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- type helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--iris-600);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--iris-500);
  display: inline-block;
}
.dark .eyebrow { color: var(--iris-300); }
.dark .eyebrow::before { background: var(--iris-300); }

h1, h2, h3 { color: var(--ink-900); font-weight: 700; letter-spacing: -0.025em; line-height: 1.08; }
.dark h1, .dark h2, .dark h3 { color: #fff; }

.h1 { font-size: clamp(2.6rem, 6vw, 4.7rem); letter-spacing: -0.035em; }
.h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--ink-500); line-height: 1.6; }
.dark .lead { color: rgba(255,255,255,0.66); }

.accent { color: var(--iris-600); }
.dark .accent { color: var(--iris-300); }

.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans);
  font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--iris-600); color: #fff; box-shadow: 0 1px 0 rgba(0,0,0,.04), 0 8px 24px -12px var(--iris-600); }
.btn-primary:hover { background: var(--aperture); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink-900); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--iris-300); color: var(--iris-600); }
.dark .btn-ghost { color: #fff; border-color: var(--night-line); }
.dark .btn-ghost:hover { border-color: var(--iris-300); color: var(--iris-300); }
.btn-lg { padding: 16px 28px; font-size: 16px; border-radius: 12px; }

/* ---------- sections ---------- */
section { position: relative; }
.section { padding: clamp(72px, 10vw, 130px) 0; }
.section-tight { padding: clamp(56px, 7vw, 90px) 0; }

.dark { background: var(--night); color: rgba(255,255,255,0.78); }
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.035; mix-blend-mode: screen;
}
.dark .wrap, .dark .hero-grid { position: relative; z-index: 1; }

.sec-head { max-width: 760px; }
.sec-head .h2 { margin: 18px 0 0; }
.sec-head .lead { margin-top: 18px; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(247,249,251,0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 19px; letter-spacing: -0.02em; transition: color .25s ease; }
.brand .lens-mark { width: 28px; height: 28px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--iris-300); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .login { font-size: 15px; font-weight: 600; transition: color .15s; }
.nav-cta .login:hover { color: var(--iris-300); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }

/* over dark hero (default) */
.nav .brand { color: #fff; }
.nav .nav-links a, .nav .nav-cta .login { color: rgba(255,255,255,0.82); }
.nav .nav-toggle { color: #fff; }
/* scrolled over light bg */
.nav.scrolled .brand { color: var(--ink-900); }
.nav.scrolled .nav-links a, .nav.scrolled .nav-cta .login { color: var(--ink-700); }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-cta .login:hover { color: var(--iris-600); }
.nav.scrolled .nav-toggle { color: var(--ink-900); }
.nav.scrolled .nav-links.open a { color: var(--ink-700); }

/* =========================================================
   HERO
   ========================================================= */
.hero { background: var(--night); padding: 150px 0 clamp(70px, 9vw, 120px); overflow: hidden; }
.hero-glow {
  position: absolute; left: -10%; bottom: -30%; width: 70%; height: 130%;
  background: radial-gradient(circle at 30% 70%, rgba(18,163,174,0.30), transparent 60%);
  filter: blur(20px); pointer-events: none; z-index: 0;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(30px, 5vw, 70px); align-items: center;
}
.hero h1 { margin: 26px 0 0; }
.hero .lead { margin-top: 24px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.trust-bar {
  margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--night-line);
  display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: center;
}
.trust-bar .ti { display: inline-flex; align-items: center; gap: 9px; font-size: 13.5px; color: rgba(255,255,255,0.6); }
.trust-bar .ti .mono { color: var(--iris-300); font-size: 13px; }
.trust-bar .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--iris-500); flex: none; }

/* hero visual */
.hero-visual { position: relative; min-height: 380px; display: flex; align-items: center; justify-content: center; }
.lens-hero {
  position: absolute; width: min(560px, 110%); aspect-ratio: 1; z-index: 0;
  opacity: 0.9;
}
.lens-spin { transform-origin: 50% 50%; animation: spin 26s linear infinite; }
.lens-focus { animation: focus 7s ease-in-out infinite; transform-origin: 50% 50%; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes focus { 0%,100% { opacity: .35; } 50% { opacity: .9; } }

/* =========================================================
   BROWSER / PRODUCT MOCKUP
   ========================================================= */
.frame {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(6,20,27,0.55), 0 2px 6px rgba(6,20,27,0.08);
  position: relative; z-index: 2; width: 100%;
}
.frame-bar { display: flex; align-items: center; gap: 7px; padding: 12px 15px; border-bottom: 1px solid var(--line); background: #fbfdfe; }
.frame-bar .dot3 { width: 11px; height: 11px; border-radius: 50%; background: #DDE5EA; }
.frame-url {
  margin-left: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-300);
  background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 4px 12px; flex: 1; max-width: 280px;
}
.frame-body { padding: 0; background: var(--bg-elev); }

/* mock app shell */
.app { display: grid; grid-template-columns: 56px 1fr; min-height: 300px; font-size: 13px; }
.app-rail { background: #0A1A24; display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 16px 0; }
.app-rail .ri { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; color: rgba(255,255,255,0.5); }
.app-rail .ri.on { background: rgba(18,163,174,0.22); color: var(--iris-300); }
.app-rail .ri svg { width: 17px; height: 17px; }
.app-main { padding: 16px 18px; }
.app-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.app-title { font-weight: 700; color: var(--ink-900); font-size: 14px; }
.app-pill { font-family: var(--font-mono); font-size: 10.5px; color: var(--iris-600); background: rgba(14,124,134,0.08); border: 1px solid rgba(14,124,134,0.2); padding: 3px 9px; border-radius: 20px; }

/* kanban */
.kanban { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kcol { background: #F1F5F8; border-radius: 9px; padding: 9px; }
.kcol h4 { font-size: 10.5px; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; display: flex; justify-content: space-between; }
.kcard { background: #fff; border: 1px solid var(--line); border-radius: 7px; padding: 8px 9px; margin-bottom: 7px; }
.kcard .nm { font-weight: 600; color: var(--ink-900); font-size: 12px; }
.kcard .mt { font-family: var(--font-mono); font-size: 10px; color: var(--ink-300); margin-top: 3px; }
.kcard .tag { display: inline-block; font-size: 9.5px; padding: 2px 7px; border-radius: 5px; margin-top: 6px; font-weight: 600; }
.tag-iris { background: rgba(18,163,174,0.12); color: var(--aperture); }
.tag-amber { background: rgba(240,180,41,0.16); color: #946400; }

/* chart screen */
.chart-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.chart-panel { border: 1px solid var(--line); border-radius: 9px; padding: 12px; }
.chart-panel h5 { font-size: 11px; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.soap { font-size: 12px; line-height: 1.85; color: var(--ink-700); }
.soap b { color: var(--iris-600); font-family: var(--font-mono); font-size: 11px; }
.mydriasis { display: flex; align-items: center; gap: 6px; margin-top: 4px; }
.myd-step { flex: 1; height: 6px; border-radius: 4px; background: var(--line); }
.myd-step.done { background: var(--iris-500); }
.myd-step.now { background: var(--iris-300); box-shadow: 0 0 0 3px rgba(111,216,222,0.3); }
.rx { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; padding: 5px 0; border-bottom: 1px dashed var(--line); }
.rx span:last-child { color: var(--ink-900); font-weight: 600; }

/* claims screen */
.claim-list .cl-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 7px; font-size: 12px; }
.claim-list .cl-row .lab { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }
.claim-list .cl-row .amt { font-family: var(--font-mono); color: var(--ink-900); font-weight: 600; }
.cl-ok { color: var(--iris-600); display: inline-flex; align-items: center; gap: 5px; font-weight: 600; }
.cl-ok svg { width: 13px; height: 13px; }
.dur-toast {
  display: flex; gap: 9px; align-items: flex-start; margin-top: 10px;
  background: rgba(240,180,41,0.1); border: 1px solid rgba(240,180,41,0.4); border-left: 3px solid var(--signal);
  border-radius: 8px; padding: 9px 11px;
}
.dur-toast svg { width: 16px; height: 16px; color: #946400; flex: none; margin-top: 1px; }
.dur-toast .dt-t { font-weight: 700; color: #6b4a00; font-size: 12px; }
.dur-toast .dt-s { font-size: 11px; color: #946400; }

/* crm screen */
.crm-funnel { display: flex; flex-direction: column; gap: 7px; }
.crm-bar { display: flex; align-items: center; gap: 10px; }
.crm-bar .bar { height: 26px; border-radius: 6px; background: linear-gradient(90deg, var(--iris-500), var(--iris-300)); display: flex; align-items: center; padding: 0 10px; color: #fff; font-size: 11px; font-weight: 600; }
.crm-bar .lab { font-size: 11px; color: var(--ink-500); width: 78px; flex: none; }
.crm-bar .num { font-family: var(--font-mono); font-size: 11px; color: var(--ink-900); font-weight: 600; }

/* AI fundus-analysis screen */
.fundus { position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 16 / 9; background: radial-gradient(circle at 44% 46%, #7a3318 0%, #45160a 52%, #1c0a05 100%); border: 1px solid var(--line); }
.fundus .disc { position: absolute; width: 22%; aspect-ratio: 1; border-radius: 50%; left: 31%; top: 36%; background: radial-gradient(circle, #f4cf7a, #cf9333 70%, rgba(207,147,51,0)); }
.fundus .marker { position: absolute; width: 20%; aspect-ratio: 1; border: 2px solid var(--iris-300); border-radius: 8px; left: 55%; top: 41%; box-shadow: 0 0 0 3px rgba(18,163,174,0.22); }
.fundus .marker::after { content: "의심 소견"; position: absolute; top: -19px; left: -2px; font-family: var(--font-mono); font-size: 10px; color: var(--iris-300); background: rgba(6,20,27,0.72); padding: 2px 6px; border-radius: 4px; white-space: nowrap; }
.ai-conf { margin-top: 12px; }
.ai-conf .top { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-500); margin-bottom: 6px; }
.ai-conf .top b { color: var(--ink-900); font-family: var(--font-mono); }
.ai-conf .track { height: 8px; border-radius: 5px; background: var(--line); overflow: hidden; }
.ai-conf .fill { height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--iris-500), var(--iris-300)); }
.ai-note { display: flex; gap: 9px; align-items: flex-start; margin-top: 11px; background: rgba(14,124,134,0.07); border: 1px solid rgba(14,124,134,0.25); border-left: 3px solid var(--iris-500); border-radius: 8px; padding: 9px 11px; }
.ai-note svg { width: 16px; height: 16px; color: var(--iris-600); flex: none; margin-top: 1px; }
.ai-note .t { font-weight: 700; color: var(--aperture); font-size: 12px; }
.ai-note .s { font-size: 11px; color: var(--iris-600); }

/* =========================================================
   PROBLEM (3 cards)
   ========================================================= */
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 56px; }
.pcard { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.pcard:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgba(10,26,36,0.3); border-color: var(--iris-300); }
.pcard .ico { width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; background: rgba(14,124,134,0.08); color: var(--iris-600); margin-bottom: 20px; }
.pcard .ico svg { width: 23px; height: 23px; }
.pcard h3 { font-size: 1.25rem; margin-bottom: 10px; }
.pcard p { color: var(--ink-500); font-size: 15.5px; line-height: 1.6; }
.pcard .tick { font-family: var(--font-mono); font-size: 11px; color: var(--ink-300); margin-bottom: 16px; letter-spacing: 0.05em; }

/* =========================================================
   SOLUTION (4 pillars)
   ========================================================= */
.cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }
.pillar { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; position: relative; overflow: hidden; transition: transform .2s, border-color .2s; }
.pillar:hover { transform: translateY(-3px); border-color: var(--iris-300); }
.pillar .ico { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--night); color: var(--iris-300); margin-bottom: 18px; }
.pillar .ico svg { width: 21px; height: 21px; }
.pillar h3 { font-size: 1.1rem; margin-bottom: 9px; }
.pillar p { color: var(--ink-500); font-size: 14.5px; line-height: 1.55; }
.pillar .pn { position: absolute; top: 18px; right: 20px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-300); }

/* =========================================================
   PRODUCT deep-dive (alternating)
   ========================================================= */
.feat { display: grid; grid-template-columns: 1fr 1.08fr; gap: clamp(34px, 6vw, 80px); align-items: center; padding: clamp(48px, 6vw, 80px) 0; }
.feat:not(:last-child) { border-bottom: 1px solid var(--line); }
.feat.flip .feat-text { order: 2; }
.feat.flip .feat-visual { order: 1; }
.feat-text .eyebrow { margin-bottom: 18px; }
.feat-text h3 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); letter-spacing: -0.03em; }
.feat-text .lead { margin: 16px 0 22px; font-size: 1.08rem; }
.feat-list { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.feat-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 15.5px; color: var(--ink-700); }
.feat-list li svg { width: 18px; height: 18px; color: var(--iris-600); flex: none; margin-top: 3px; }
.badge-amber { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; font-size: 13.5px; font-weight: 600; color: #7a5200; background: rgba(240,180,41,0.13); border: 1px solid rgba(240,180,41,0.4); padding: 8px 14px; border-radius: 9px; }
.badge-amber svg { width: 15px; height: 15px; }
.feat-visual { position: relative; }

/* =========================================================
   WHY NOW (dark, 4 points)
   ========================================================= */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 56px; background: var(--night-line); border: 1px solid var(--night-line); border-radius: var(--radius); overflow: hidden; }
.why-item { background: var(--night); padding: 34px 32px; transition: background .2s; }
.why-item:hover { background: var(--night-2); }
.why-item .ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(18,163,174,0.14); color: var(--iris-300); margin-bottom: 18px; }
.why-item .ico svg { width: 20px; height: 20px; }
.why-item h3 { color: #fff; font-size: 1.2rem; margin-bottom: 9px; }
.why-item p { color: rgba(255,255,255,0.62); font-size: 15px; line-height: 1.55; }

/* =========================================================
   TRACTION (count-up)
   ========================================================= */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 54px; background: var(--night-line); border: 1px solid var(--night-line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--night); padding: 36px 28px; }
.stat .num { font-family: var(--font-mono); font-size: clamp(2.1rem, 3.4vw, 3rem); font-weight: 700; color: #fff; letter-spacing: -0.03em; line-height: 1; }
.stat .num .suf { color: var(--iris-300); }
.stat .lab { margin-top: 12px; font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.45; }
.stat.placeholder .num { color: rgba(255,255,255,0.32); }
.stat.placeholder .num::after { content: ""; }
.traction-foot { margin-top: 26px; font-size: 13.5px; color: rgba(255,255,255,0.5); font-family: var(--font-mono); letter-spacing: 0.02em; }

/* platform / specialty roadmap */
.specialties { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 52px; }
.spec { position: relative; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: transform .2s ease, border-color .2s ease; }
.spec:hover { transform: translateY(-3px); }
.spec .spec-name { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 600; color: var(--ink-900); letter-spacing: -0.01em; }
.spec .spec-field { font-size: 14.5px; color: var(--ink-500); margin-top: 5px; }
.spec .spec-status { margin-top: 20px; display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-family: var(--font-mono); letter-spacing: 0.04em; color: var(--ink-300); }
.spec.on { border-color: var(--iris-500); background: linear-gradient(180deg, rgba(18,163,174,0.06), transparent); box-shadow: 0 18px 44px -26px var(--iris-600); }
.spec.on .spec-name { color: var(--iris-600); }
.spec .spec-status.live { color: var(--iris-600); }
.spec .spec-status.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--iris-500); box-shadow: 0 0 0 3px rgba(18,163,174,0.2); }
.spec.ghost { border-style: dashed; background: transparent; }
.spec.ghost .spec-name { color: var(--ink-300); letter-spacing: 0.1em; }

/* testimonial */
.quote { margin-top: 26px; background: rgba(255,255,255,0.035); border: 1px solid var(--night-line); border-radius: var(--radius); padding: clamp(30px, 4vw, 48px); max-width: 900px; }
.quote .qmark { font-family: var(--font-disp); font-size: 56px; line-height: 0.6; color: var(--iris-300); opacity: 0.55; display: block; height: 26px; }
.quote-text { font-size: clamp(1.2rem, 2vw, 1.6rem); line-height: 1.5; color: #fff; font-weight: 500; letter-spacing: -0.02em; }
.quote-by { margin-top: 22px; font-size: 14.5px; color: rgba(255,255,255,0.6); }
.quote-by strong { color: var(--iris-300); font-weight: 600; }

/* =========================================================
   SECURITY (badge strip)
   ========================================================= */
.sec-badges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 50px; }
.sbadge { display: flex; gap: 14px; align-items: flex-start; background: var(--bg-elev); border: 1px solid var(--line); border-radius: 13px; padding: 20px 22px; }
.sbadge .ico { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; background: rgba(14,124,134,0.08); color: var(--iris-600); flex: none; }
.sbadge .ico svg { width: 19px; height: 19px; }
.sbadge h4 { font-size: 15px; color: var(--ink-900); margin-bottom: 3px; }
.sbadge p { font-size: 13px; color: var(--ink-500); line-height: 1.5; }

/* =========================================================
   HOW (3 step)
   ========================================================= */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 54px; counter-reset: step; }
.step { position: relative; padding-top: 30px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size: 13px; color: var(--iris-600);
  position: absolute; top: 0; left: 0; letter-spacing: 0.1em;
}
.step .line { height: 2px; background: linear-gradient(90deg, var(--iris-500), transparent); margin-bottom: 22px; }
.step h3 { font-size: 1.3rem; margin-bottom: 10px; }
.step p { color: var(--ink-500); font-size: 15px; }

/* =========================================================
   FINAL CTA
   ========================================================= */
.cta { background: var(--night); padding: clamp(80px, 10vw, 140px) 0; overflow: hidden; }
.cta-lens { position: absolute; right: -16%; top: 50%; transform: translateY(-50%); width: min(620px, 80%); aspect-ratio: 1; opacity: 0.5; z-index: 0; }
.cta-inner { position: relative; z-index: 1; max-width: 640px; }
.cta h2 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
.cta .lead { margin: 20px 0 32px; }
.cta-form { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-form input {
  flex: 1; min-width: 240px; background: rgba(255,255,255,0.06); border: 1px solid var(--night-line);
  border-radius: 11px; padding: 15px 18px; color: #fff; font-family: var(--font-sans); font-size: 15px;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.4); }
.cta-form input:focus { outline: none; border-color: var(--iris-300); }
.cta-sub { margin-top: 16px; font-size: 13.5px; color: rgba(255,255,255,0.5); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--night-2); color: rgba(255,255,255,0.6); padding: 64px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.foot-brand .brand { color: #fff; margin-bottom: 16px; }
.foot-brand p { font-size: 14px; line-height: 1.6; max-width: 300px; }
.foot-col h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.4); margin-bottom: 16px; font-weight: 600; }
.foot-col a { display: block; font-size: 14.5px; color: rgba(255,255,255,0.66); margin-bottom: 10px; transition: color .15s; }
.foot-col a:hover { color: var(--iris-300); }
.foot-bottom { margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--night-line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.45); }
.foot-bottom .mono { font-size: 12px; }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.16,.84,.44,1), transform .7s cubic-bezier(.16,.84,.44,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.shown { opacity: 1 !important; transform: none !important; transition: none !important; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 320px; order: 2; }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .specialties { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg-elev); border-bottom: 1px solid var(--line); padding: 20px var(--pad); gap: 18px;
  }
  .cols-3 { grid-template-columns: 1fr; }
  .feat { grid-template-columns: 1fr; }
  .feat.flip .feat-text { order: 1; }
  .feat.flip .feat-visual { order: 2; }
  .sec-badges { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cols-4 { grid-template-columns: 1fr; }
  .specialties { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .nav-cta .login { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}