:root {
  --bg: #0a0e1a;
  --bg-deep: #060910;
  --bg-card: #111827;
  --fg: #e8ecf4;
  --fg-dim: #8b95a8;
  --accent: #6366f1;
  --accent-glow: #818cf8;
  --accent-soft: rgba(99, 102, 241, 0.15);
  --warm: #f59e0b;
  --radius: 16px;
  --max-w: 1100px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.15;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 120px;
  overflow: hidden;
}

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

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 12s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  top: -10%;
  left: 20%;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #2dd4bf, transparent 70%);
  bottom: 10%;
  right: 15%;
  animation-delay: -4s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: 40%;
  left: 60%;
  animation-delay: -8s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-glow);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--accent-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-dim);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-cta {
  margin-top: 40px;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 16px 40px;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  box-shadow: 0 0 30px rgba(99,102,241,0.35);
}

.btn-primary:hover {
  background: var(--accent-glow);
  box-shadow: 0 0 50px rgba(129,140,248,0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--fg-dim);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 28px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-glow);
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

/* How Section */
.how {
  background: var(--bg-deep);
  padding: 100px 24px;
}

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 16px;
}

.section-sub {
  text-align: center;
  color: var(--fg-dim);
  max-width: 600px;
  margin: 0 auto 64px;
  font-size: 1.05rem;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.how-step {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.3s;
}

.how-step:hover {
  border-color: var(--accent);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-glow);
  letter-spacing: 1px;
}

.how-step h3 {
  font-size: 1.4rem;
  margin: 12px 0 8px;
}

.how-step p {
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Features */
.features {
  padding: 100px 24px;
}

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto 100px;
}

.feature-block:last-child {
  margin-bottom: 0;
}

.feature-right {
  direction: rtl;
}

.feature-right > * {
  direction: ltr;
}

.feature-text h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 16px;
}

.feature-text p {
  color: var(--fg-dim);
  font-size: 1.05rem;
}

/* Waveform visual */
.waveform {
  display: flex;
  align-items: end;
  gap: 8px;
  height: 160px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

.wave-bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, var(--accent), var(--accent-glow));
  border-radius: 4px;
  animation: pulse 2s ease-in-out infinite;
  animation-delay: calc(var(--h) * 0.01s);
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* Channel stats visual */
.channel-stats {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-label {
  color: var(--fg-dim);
  font-size: 0.95rem;
}

.stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--accent-glow);
}

/* Numbers */
.numbers {
  background: var(--bg-deep);
  padding: 100px 24px;
}

.numbers h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 56px;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.number-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

.number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--warm), #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.number-label {
  color: var(--fg-dim);
  font-size: 0.9rem;
}

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  max-width: 700px;
  margin: 0 auto 20px;
}

.closing-sub {
  color: var(--fg-dim);
  font-size: 1.1rem;
  max-width: 580px;
  margin: 0 auto;
}

/* Footer */
.footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
}

.footer-note {
  color: var(--fg-dim);
  font-size: 0.85rem;
}

/* Mobile */
@media (max-width: 768px) {
  .how-grid,
  .numbers-grid {
    grid-template-columns: 1fr;
  }

  .feature-block,
  .feature-right {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .hero {
    min-height: 70vh;
    padding: 60px 20px 100px;
  }

  .orb-1 { width: 300px; height: 300px; }
  .orb-2 { width: 250px; height: 250px; }
  .orb-3 { width: 200px; height: 200px; }
}