/* =========================================
   BrilloOS Design System
   Dark editorial + warm gold accents
   ========================================= */

:root {
  --bg: #0c0c0c;
  --bg-2: #141414;
  --bg-3: #1e1e1e;
  --fg: #f0ebe0;
  --fg-muted: #8a8578;
  --accent: #e8a531;
  --accent-dim: rgba(232, 165, 49, 0.12);
  --border: rgba(240, 235, 224, 0.08);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.15; }

/* ---- Nav ---- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1.25rem 2.5rem; border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: baseline; gap: 0.75rem; }
.nav-logo { font-family: var(--font-display); font-size: 1.125rem; font-weight: 600; letter-spacing: -0.02em; color: var(--fg); }
.nav-tagline { font-size: 0.75rem; color: var(--fg-muted); letter-spacing: 0.04em; text-transform: uppercase; }

/* ---- Section label ---- */
.section-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); font-weight: 500; margin-bottom: 1.5rem; }

/* ---- Hero ---- */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 8rem 2.5rem 5rem; position: relative; overflow: hidden; }
.hero-inner { max-width: 860px; position: relative; z-index: 1; }
.hero-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-muted); margin-bottom: 1.5rem; }
.hero-headline { font-size: clamp(2.8rem, 7vw, 5.5rem); font-family: var(--font-display); font-weight: 300; line-height: 1.08; letter-spacing: -0.03em; color: var(--fg); margin-bottom: 1.75rem; }
.hero-sub { font-size: 1.125rem; color: var(--fg-muted); max-width: 540px; line-height: 1.7; margin-bottom: 2.5rem; font-weight: 300; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent-dim); border: 1px solid rgba(232, 165, 49, 0.2); border-radius: 100px; padding: 0.35rem 0.85rem; font-size: 0.75rem; color: var(--accent); letter-spacing: 0.04em; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; }
.hero-glow { position: absolute; top: -20%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(232,165,49,0.06) 0%, transparent 70%); pointer-events: none; }

/* ---- Problem ---- */
.problem { background: var(--bg); padding: 7rem 2.5rem; border-top: 1px solid var(--border); }
.problem-inner { max-width: 1100px; margin: 0 auto; }
.problem-header { margin-bottom: 4rem; }
.problem-headline { font-size: clamp(2rem, 4vw, 3rem); font-family: var(--font-display); font-weight: 300; color: var(--fg); line-height: 1.2; margin-top: 0.75rem; }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.problem-card { background: var(--bg); padding: 2.5rem 2rem; }
.problem-icon { color: var(--accent); margin-bottom: 1.25rem; }
.problem-card h3 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--fg); }
.problem-card p { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.7; font-weight: 300; }

/* ---- Capabilities ---- */
.capabilities { background: var(--bg-2); padding: 7rem 2.5rem; }
.capabilities-inner { max-width: 1100px; margin: 0 auto; }
.capabilities-headline { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-family: var(--font-display); font-weight: 300; color: var(--fg); line-height: 1.3; max-width: 640px; margin-bottom: 4rem; }
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--border); }
.cap-card { padding: 2.5rem; border: 1px solid var(--border); background: var(--bg-2); transition: background 0.2s; }
.cap-card:hover { background: var(--bg-3); }
.cap-number { font-size: 0.7rem; letter-spacing: 0.12em; color: var(--accent); font-weight: 500; margin-bottom: 1.25rem; }
.cap-card h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 0.75rem; color: var(--fg); font-weight: 400; }
.cap-card p { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.7; font-weight: 300; }

/* ---- Outcomes ---- */
.outcomes { background: var(--bg); padding: 7rem 2.5rem; border-top: 1px solid var(--border); }
.outcomes-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.outcomes-headline { font-size: clamp(1.8rem, 3vw, 2.5rem); font-family: var(--font-display); font-weight: 300; color: var(--fg); line-height: 1.2; margin-bottom: 1.25rem; }
.outcomes-body { font-size: 0.95rem; color: var(--fg-muted); line-height: 1.75; font-weight: 300; }
.outcomes-right { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); }
.outcome-row { padding: 2rem 2rem; border-bottom: 1px solid var(--border); display: flex; gap: 2rem; align-items: center; }
.outcome-row:last-child { border-bottom: none; }
.outcome-metric { font-family: var(--font-display); font-size: 2.5rem; color: var(--accent); font-weight: 300; line-height: 1; min-width: 80px; }
.outcome-text { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.5; font-weight: 300; }

/* ---- Philosophy ---- */
.philosophy { background: var(--bg-2); padding: 7rem 2.5rem; }
.philosophy-inner { max-width: 1100px; margin: 0 auto; }
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; margin-top: 2rem; }
.philosophy-quote { font-family: var(--font-display); font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 300; color: var(--fg); line-height: 1.4; font-style: italic; padding-left: 2rem; border-left: 2px solid var(--accent); align-self: start; }
.pillar { margin-bottom: 2rem; }
.pillar h4 { font-family: var(--font-display); font-size: 1rem; color: var(--fg); margin-bottom: 0.5rem; font-weight: 400; }
.pillar p { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.65; font-weight: 300; }

/* ---- Closing ---- */
.closing { background: var(--bg); padding: 8rem 2.5rem; border-top: 1px solid var(--border); }
.closing-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.closing-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent-dim); border: 1px solid rgba(232, 165, 49, 0.2); border-radius: 100px; padding: 0.35rem 0.85rem; font-size: 0.75rem; color: var(--accent); letter-spacing: 0.04em; margin-bottom: 2rem; }
.closing-headline { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3.5rem); font-weight: 300; color: var(--fg); line-height: 1.2; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.closing-sub { font-size: 1rem; color: var(--fg-muted); line-height: 1.7; font-weight: 300; max-width: 520px; margin: 0 auto; }

/* ---- Footer ---- */
.footer { background: var(--bg-2); padding: 2rem 2.5rem; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.footer-brand { display: flex; flex-direction: column; gap: 0.25rem; }
.footer-logo { font-family: var(--font-display); font-size: 1rem; color: var(--fg); font-weight: 600; }
.footer-tagline { font-size: 0.75rem; color: var(--fg-muted); }
.footer-meta { font-size: 0.75rem; color: var(--fg-muted); }

/* ---- Mobile ---- */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.25rem; }
  .hero { padding: 7rem 1.25rem 4rem; }
  .problem { padding: 4rem 1.25rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .capabilities { padding: 4rem 1.25rem; }
  .cap-grid { grid-template-columns: 1fr; }
  .outcomes-inner { grid-template-columns: 1fr; gap: 3rem; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .closing { padding: 5rem 1.25rem; }
  .footer-inner { flex-direction: column; gap: 0.75rem; align-items: flex-start; }
  .outcome-row { padding: 1.5rem 1.25rem; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.5rem; }
  .problem-card { padding: 1.75rem 1.25rem; }
  .cap-card { padding: 1.75rem 1.25rem; }
}