/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg-surface: #111118;
  --bg-card: #18181f;
  --fg: #f0ede8;
  --fg-muted: #8a8899;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --accent-glow: rgba(245, 166, 35, 0.25);
  --border: rgba(240, 237, 232, 0.08);
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --container: 1160px;
  --section-pad: 100px;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}

/* === SECTION LABEL === */
.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 32px 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,166,35,0.15) 0%, transparent 70%);
  top: -100px; right: -150px;
}

.hero-glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,166,35,0.08) 0%, transparent 70%);
  bottom: 100px; left: -100px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240,237,232,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,237,232,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 32px;
  max-width: 780px;
  letter-spacing: -0.02em;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-lede {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.hero-stat {
  padding: 0 40px 0 0;
}

.hero-stat:first-child { padding-left: 0; }

.hero-stat-num {
  display: block;
  font-family: var(--serif);
  font-size: 40px;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-stat-div {
  width: 1px;
  height: 50px;
  background: var(--border);
  margin-right: 40px;
}

/* === PROBLEM === */
.problem {
  padding: var(--section-pad) 32px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.problem-headline {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.2;
  color: var(--fg);
  max-width: 680px;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.problem-card {
  background: var(--bg-card);
  padding: 36px 40px;
  transition: background 0.2s;
}

.problem-card:hover { background: #1e1e28; }

.problem-icon {
  width: 40px; height: 40px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.problem-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === CHANNELS === */
.channels {
  padding: var(--section-pad) 32px;
}

.channels-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.channels-headline {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  color: var(--fg);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.channels-sub {
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 56px;
  max-width: 500px;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.channel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.channel-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.channel-icon-wrap {
  margin-bottom: 20px;
}

.channel-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.channel-card p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.channel-growth {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 20px;
}

/* === HOW IT WORKS === */
.howitworks {
  padding: var(--section-pad) 32px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.howitworks-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.howitworks-headline {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  color: var(--fg);
  line-height: 1.2;
  margin-bottom: 72px;
  letter-spacing: -0.02em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  gap: 0;
}

.step {
  max-width: 200px;
}

.step-num {
  font-family: var(--serif);
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.6;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.step p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.step-connector {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  min-width: 40px;
  max-width: 60px;
  opacity: 0.4;
}

/* === PROOF === */
.proof {
  padding: var(--section-pad) 32px;
}

.proof-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.proof-grid {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 56px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-surface);
}

.proof-stat {
  flex: 1;
  padding: 48px 40px;
  text-align: center;
}

.proof-divider {
  width: 1px;
  background: var(--border);
}

.proof-num {
  display: block;
  font-family: var(--serif);
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.proof-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.proof-callout {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 48px;
}

.proof-callout p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 700px;
}

.proof-callout em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--fg);
}

/* === CLOSING === */
.closing {
  padding: 120px 32px 140px;
  position: relative;
  overflow: hidden;
}

.closing-bg {
  position: absolute;
  inset: 0;
}

.closing-glow {
  position: absolute;
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(245,166,35,0.12) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(80px);
}

.closing-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.closing-headline em {
  font-style: italic;
  color: var(--accent);
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 6px;
  display: block;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-links {
  font-size: 12px;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  :root { --section-pad: 72px; }
  .hero { padding-top: 120px; }
  .problem-grid { grid-template-columns: 1fr; }
  .channels-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .step-connector { display: none; }
  .proof-grid { flex-direction: column; }
  .proof-divider { width: 100%; height: 1px; }
  .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
}

@media (max-width: 600px) {
  .channels-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero-stat-div { display: none; }
  .hero-stat { padding: 0; }
  .hero-headline { font-size: 40px; }
}
