:root {
  --bg: #0d0d12;
  --bg-elevated: #16161f;
  --bg-card: #1c1c28;
  --fg: #e8e6f0;
  --fg-muted: #9490a8;
  --fg-dim: #6b6780;
  --accent-1: #ff6b6b;
  --accent-2: #ffa94d;
  --accent-3: #ffd43b;
  --accent-4: #69db7c;
  --accent-5: #4dabf7;
  --accent-6: #9775fa;
  --prism-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3), var(--accent-4), var(--accent-5), var(--accent-6));
  --prism-gradient-soft: linear-gradient(135deg, rgba(255,107,107,0.15), rgba(255,169,77,0.15), rgba(255,212,59,0.15), rgba(105,219,124,0.15), rgba(77,171,247,0.15), rgba(151,117,250,0.15));
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(151,117,250,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,107,107,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-label {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 28px;
}

.hero-label span {
  background: var(--prism-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  max-width: 780px;
  margin-bottom: 32px;
}

.hero h1 .prism-word {
  background: var(--prism-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

.hero-bar {
  margin-top: 56px;
  height: 3px;
  width: 200px;
  background: var(--prism-gradient);
  border-radius: 2px;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 100px 0;
  border-top: 1px solid rgba(148,144,168,0.08);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.problem-left h2 {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.problem-left p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 440px;
}

.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.stat-item {
  padding: 28px 32px;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid rgba(148,144,168,0.06);
}

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.stat-number.gradient {
  background: var(--prism-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ---- HOW IT WORKS ---- */
.how {
  padding: 100px 0;
  border-top: 1px solid rgba(148,144,168,0.08);
}

.how h2 {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.how .section-sub {
  text-align: center;
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 64px;
}

.how-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.flow-step {
  text-align: center;
  flex: 0 0 200px;
}

.flow-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
  position: relative;
}

.flow-icon.input { background: rgba(151,117,250,0.12); border: 1px solid rgba(151,117,250,0.25); }
.flow-icon.prism { background: var(--prism-gradient-soft); border: 1px solid rgba(255,169,77,0.2); }
.flow-icon.output { background: rgba(77,171,247,0.12); border: 1px solid rgba(77,171,247,0.25); }

.flow-step h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.flow-step p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  max-width: 180px;
  margin: 0 auto;
}

.flow-arrow {
  font-size: 24px;
  color: var(--fg-dim);
  flex: 0 0 48px;
  text-align: center;
}

/* ---- PLATFORMS ---- */
.platforms {
  padding: 100px 0;
  border-top: 1px solid rgba(148,144,168,0.08);
}

.platforms h2 {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 56px;
}

.platforms h2 span {
  background: var(--prism-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.platform-card {
  background: var(--bg-elevated);
  border-radius: 20px;
  padding: 36px;
  border: 1px solid rgba(148,144,168,0.06);
  transition: border-color 0.3s;
}

.platform-card:hover {
  border-color: rgba(148,144,168,0.15);
}

.platform-card .platform-tag {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.platform-card.linkedin .platform-tag { color: var(--accent-5); }
.platform-card.twitter .platform-tag { color: var(--accent-4); }
.platform-card.email .platform-tag { color: var(--accent-2); }
.platform-card.instagram .platform-tag { color: var(--accent-6); }

.platform-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.platform-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- VOICE ---- */
.voice {
  padding: 100px 0;
  border-top: 1px solid rgba(148,144,168,0.08);
  text-align: center;
}

.voice-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--prism-gradient-soft);
  border: 1px solid rgba(255,169,77,0.15);
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fg);
  margin-bottom: 32px;
}

.voice h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  max-width: 680px;
  margin: 0 auto 24px;
}

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

/* ---- CLOSING ---- */
.closing {
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(151,117,250,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  max-width: 700px;
  margin: 0 auto 24px;
}

.closing h2 span {
  background: var(--prism-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.15rem;
  max-width: 480px;
  margin: 0 auto;
}

.closing-bar {
  margin: 48px auto 0;
  height: 3px;
  width: 120px;
  background: var(--prism-gradient);
  border-radius: 2px;
}

/* ---- FOOTER ---- */
footer {
  padding: 48px 0;
  border-top: 1px solid rgba(148,144,168,0.06);
  text-align: center;
}

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

footer .footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .platform-grid {
    grid-template-columns: 1fr;
  }

  .how-flow {
    flex-direction: column;
    gap: 16px;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .hero { padding: 80px 0 60px; min-height: auto; }
  .problem, .how, .platforms, .voice { padding: 72px 0; }
  .closing { padding: 80px 0 60px; }
}