/* ═══════════════════════════════════
   GlowOS — CSS Design System
   Aesthetic: Warm luxury, soft life, wellness
   ═══════════════════════════════════ */

:root {
  --bg: #FDF8F2;
  --bg-alt: #F5EFE6;
  --fg: #2D3A2E;
  --fg-muted: #5C6E5D;
  --accent: #C9956E;
  --accent-light: #E8C9A8;
  --accent-warm: #D4A574;
  --rose: #C4908A;
  --sage: #8B9E7C;
  --border: rgba(45, 58, 46, 0.1);
  --shadow: rgba(45, 58, 46, 0.06);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', 'Segoe UI', sans-serif;
  --max-w: 1200px;
  --section-pad: clamp(4rem, 8vw, 7rem);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent-light); color: var(--fg); }

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 8rem clamp(1.5rem, 5vw, 5rem) 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.hero-atmosphere {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 30%, rgba(201, 149, 110, 0.15) 0%, transparent 65%),
              radial-gradient(ellipse at 40% 80%, rgba(196, 144, 138, 0.1) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 520px;
}
.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 440px;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 480px;
}
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.glow-orb-1 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(201,149,110,0.25) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.glow-orb-2 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(196,144,138,0.2) 0%, transparent 70%);
  top: 30%; right: 20%;
}
.product-stack {
  position: relative;
  width: 320px;
  height: 400px;
}
.product-card {
  position: absolute;
  width: 240px;
  background: white;
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 8px 40px var(--shadow), 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.product-card-1 { top: 5%; left: 0; transform: rotate(-4deg); z-index: 2; }
.product-card-2 { top: 22%; left: 20%; transform: rotate(2deg); z-index: 3; }
.product-card-3 { top: 42%; left: 8%; transform: rotate(-1.5deg); z-index: 4; }
.product-card-4 { top: 60%; left: 22%; transform: rotate(3deg); z-index: 5; }
.card-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
}
.card-lines { display: flex; flex-direction: column; gap: 6px; }
.card-line {
  height: 10px;
  border-radius: 5px;
  background: var(--bg-alt);
}
.card-line-sm { width: 60%; }
.card-line-md { width: 75%; }
.card-line-lg { width: 85%; }

/* ── Proof Bar ── */
.proof {
  background: var(--fg);
  color: white;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.proof-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  padding: 2.5rem 0;
  gap: 0;
}
.proof-item { text-align: center; padding: 0 2rem; }
.proof-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--accent-light);
  margin-bottom: 0.25rem;
}
.proof-label {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.proof-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
}

/* ── Features ── */
.features {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 5rem);
  max-width: var(--max-w);
  margin: 0 auto;
}
.features-header { margin-bottom: 3.5rem; }
.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.features-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--fg);
  max-width: 480px;
  line-height: 1.15;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: white;
  border-radius: 24px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--shadow);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.feature-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.feature-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── Philosophy ── */
.philosophy {
  background: var(--bg-alt);
  padding: var(--section-pad) clamp(1.5rem, 5vw, 5rem);
}
.philosophy-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.philosophy-image { display: flex; justify-content: center; }
.philosophy-visual {
  background: white;
  border-radius: 28px;
  padding: 2.5rem;
  box-shadow: 0 8px 40px var(--shadow);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 400px;
}
.waveform {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--bg);
  border-radius: 12px;
}
.wave-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent), var(--accent-light));
  border-radius: 4px 4px 0 0;
  min-height: 8px;
}
.philosophy-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stat { text-align: center; }
.stat-val {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--fg);
}
.stat-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}
.philosophy-text {}
.philosophy-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 400;
  color: var(--fg);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.philosophy-body {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

/* ── Closing ── */
.closing {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 5rem);
}
.closing-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: clamp(3rem, 6vw, 5rem);
  text-align: center;
  background: var(--fg);
}
.closing-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse at 50% 0%, rgba(201,149,110,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.closing-content { position: relative; z-index: 1; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 300;
  color: white;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.closing-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Footer ── */
.footer {
  padding: 3rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--fg);
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { height: 320px; }
  .product-stack { transform: scale(0.75); }
  .features-grid { grid-template-columns: 1fr; }
  .philosophy-inner { grid-template-columns: 1fr; }
  .philosophy-image { order: 2; }
  .philosophy-visual { max-width: 100%; }
  .proof-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .proof-divider { display: none; }
  .proof-item { padding: 0; }
}
@media (max-width: 600px) {
  .nav-tagline { display: none; }
  .proof-inner { grid-template-columns: 1fr 1fr; }
  .philosophy-stats { grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
  .stat-val { font-size: 1.4rem; }
}