:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a25;
  --fg-primary: #e8e8ed;
  --fg-secondary: #8888a0;
  --fg-muted: #55556a;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.12);
  --accent-glow: rgba(74, 222, 128, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.15;
  pointer-events: none;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 20px;
  color: var(--fg-secondary);
  max-width: 560px;
  line-height: 1.6;
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 24px;
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ===== PROBLEM SECTION ===== */
.problem {
  padding: 100px 24px;
  max-width: 800px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.problem-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 17px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.problem-list li::before {
  content: '\2715';
  color: #ef4444;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 4px;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fg-primary);
}

.step p {
  color: var(--fg-secondary);
  font-size: 16px;
}

/* ===== CHANNELS ===== */
.channels {
  padding: 100px 24px;
}

.channels-inner {
  max-width: 900px;
  margin: 0 auto;
}

.channels h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s;
}

.channel-card:hover {
  border-color: var(--accent-glow);
}

.channel-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.channel-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.channel-card p {
  color: var(--fg-secondary);
  font-size: 15px;
  line-height: 1.55;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.08;
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}

.closing p {
  color: var(--fg-secondary);
  font-size: 19px;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== FOOTER ===== */
footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 8px;
}

.footer-sub {
  color: var(--fg-muted);
  font-size: 14px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 100px 20px 60px; }
  .stats-inner { grid-template-columns: 1fr; gap: 24px; }
  .stat-number { font-size: 32px; }
  .step { grid-template-columns: 1fr; gap: 12px; }
  .step-num { font-size: 36px; }
  .channel-grid { grid-template-columns: 1fr; }
  .problem, .how, .channels, .closing { padding: 72px 20px; }
}