/* === Somach.life — Bevel-inspired dark premium === */
:root {
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --bg-soft: #161616;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --ink: #f5f5f4;
  --ink-soft: #a8a29e;
  --ink-mute: #6b6b6b;
  --accent: #2AC293;       /* electric chartreuse — Bevel-like signal color */
  --accent-soft: #31d6a2;
  --warm: #f5d27a;
  --max: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --serif: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body { overflow-x: hidden; line-height: 1.45; font-weight: 400; }

a { color: inherit; text-decoration: none; transition: opacity 0.2s ease; }
a:hover { opacity: 0.7; }
img, video { max-width: 100%; display: block; }

/* === Layout primitives === */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.col { display: flex; flex-direction: column; }
.center { text-align: center; }
.muted { color: var(--ink-soft); }
.tiny { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); }

/* === Typography === */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.02; letter-spacing: -0.02em; }
.h-display { font-size: clamp(56px, 9vw, 144px); line-height: 0.94; }
.h-1 { font-size: clamp(40px, 6vw, 88px); }
.h-2 { font-size: clamp(28px, 4vw, 56px); }
.h-3 { font-size: clamp(22px, 2.4vw, 32px); }
.lede { font-size: clamp(17px, 1.4vw, 21px); color: var(--ink-soft); max-width: 56ch; line-height: 1.5; }
.kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }

/* === Navbar === */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; padding: 18px 0; background: linear-gradient(to bottom, rgba(10,10,10,0.92), rgba(10,10,10,0.4) 80%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.nav .row { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.brand { font-family: var(--serif); font-size: 22px; letter-spacing: -0.01em; text-transform: none; }
.brand b { font-weight: 400; color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-cta { padding: 10px 18px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink); transition: all 0.2s ease; }
.nav-cta:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); opacity: 1; }

/* === Hero === */
.hero { padding: 180px 0 100px; position: relative; overflow: hidden; min-height: 100vh; display: flex; align-items: center; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(42, 194, 147, 0.08), transparent 70%);
  pointer-events: none;
}
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border: 1px solid var(--line-strong); border-radius: 999px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 32px; }
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.hero h1 { max-width: 14ch; margin-bottom: 32px; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lede { margin-bottom: 48px; font-size: clamp(18px, 1.6vw, 24px); }
.hero-cta-row { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 28px; border-radius: 999px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; transition: all 0.2s ease; }
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-soft); opacity: 1; }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); opacity: 1; }

/* === Hero media placeholder === */
.hero-media { margin-top: 88px; aspect-ratio: 16 / 9; background: var(--bg-elev); border: 1px solid var(--line); border-radius: 20px; position: relative; overflow: hidden; }
.media-placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 16px; color: var(--ink-mute); font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; }
.media-placeholder svg { opacity: 0.4; }
.media-label { padding: 6px 14px; border: 1px dashed var(--line-strong); border-radius: 6px; }

/* === Section === */
section { padding: 120px 0; position: relative; min-height: 100vh; display: flex; align-items: center; }
section > .wrap { width: 100%; }
.section-head { max-width: 720px; margin-bottom: 64px; }
.section-head .kicker { margin-bottom: 24px; display: block; }

/* === Pillars / feature grid === */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; gap: 32px; }
}
.card { border: 1px solid var(--line); border-radius: 20px; padding: 36px 32px; background: var(--bg-elev); transition: border-color 0.3s ease, transform 0.3s ease; }
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card .num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 24px; display: block; }
.card h3 { margin-bottom: 16px; }
.card p { color: var(--ink-soft); font-size: 15px; line-height: 1.55; }
.card-media { aspect-ratio: 4 / 3; background: var(--bg-soft); border-radius: 12px; margin-bottom: 24px; position: relative; overflow: hidden; border: 1px solid var(--line); }

/* === Product showcase === */
.showcase { background: var(--bg-elev); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.showcase-media { aspect-ratio: 9 / 16; max-width: 360px; background: var(--bg); border: 1px solid var(--line); border-radius: 36px; position: relative; overflow: hidden; box-shadow: 0 60px 120px rgba(0,0,0,0.5), 0 0 0 1px var(--line-strong); }

/* === Stat strip === */
.stats { padding: 80px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); min-height: auto; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
@media (max-width: 720px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat { text-align: left; }
.stat .num { font-family: var(--serif); font-size: clamp(36px, 5vw, 64px); line-height: 1; margin-bottom: 8px; }
.stat .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-soft); }

/* === Logos / partners === */
.logos { padding: 60px 0; opacity: 0.8; }
.logos-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 32px; }
.logo-chip { padding: 12px 20px; border: 1px solid var(--line); border-radius: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--ink-soft); }

/* === Footer === */
footer { padding: 80px 0 40px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 64px; margin-bottom: 64px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--ink-soft); }
.footer-fineprint { display: flex; justify-content: space-between; padding-top: 32px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-mute); flex-wrap: wrap; gap: 16px; }

/* === Feature tabs (Bevel-style: one feature at a time — limited capacity) === */
.feature-tabs { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .feature-tabs { grid-template-columns: 1fr; } }

.feature-tabs-nav { display: flex; flex-direction: column; gap: 4px; position: sticky; top: 100px; }
.feature-tab { display: flex; align-items: flex-start; gap: 20px; padding: 18px 22px; border-radius: 14px; background: none; border: 1px solid transparent; cursor: pointer; text-align: left; color: var(--ink-soft); transition: all 0.2s ease; width: 100%; }
.feature-tab:hover { background: var(--bg-elev); color: var(--ink); }
.feature-tab.active { background: var(--bg-elev); border-color: var(--line); color: var(--ink); }
.feature-tab.active .feature-tab-num { color: var(--accent); }
.feature-tab-num { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: var(--ink-mute); padding-top: 5px; flex-shrink: 0; }
.feature-tab-title { font-family: var(--serif); font-size: 28px; margin-bottom: 4px; line-height: 1.05; }
.feature-tab-body { font-size: 11px; color: var(--ink-mute); font-family: var(--mono); letter-spacing: 0.06em; }

.feature-tabs-content { position: relative; }
.feature-panel { display: none; }
.feature-panel.active { display: flex; flex-direction: column; gap: 28px; animation: panel-in 0.28s ease forwards; }
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.feature-panel-text { font-size: 18px; color: var(--ink-soft); line-height: 1.6; max-width: 48ch; }
.phone-mockup { border: 1px solid var(--line); border-radius: 36px; overflow: hidden; max-width: 340px; width: 100%; box-shadow: 0 60px 120px rgba(0,0,0,0.6), 0 0 0 1px var(--line-strong); }
.phone-mockup img { width: 100%; display: block; }

/* === Communication design additions === */
/* Limited capacity: scannable badge row instead of inline prose */
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.badge { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; padding: 5px 14px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink-soft); }
/* Discriminability: top-tier wins get accent border */
.logo-chip--primary { border-color: var(--accent); color: var(--ink); }
/* Thesis accent border (salience + informative change: this block is different) */
.thesis-lede { border-left: 3px solid var(--accent); padding-left: 28px; }

/* === Reveal animation === */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }