:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #e8e8ec;
  --fg-muted: #8b8b9e;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --green: #00e676;
  --card-bg: #16161f;
  --card-border: #222233;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 60%);
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-light);
  background: var(--accent-glow);
  border: 1px solid rgba(108, 92, 231, 0.3);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--fg) 40%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
}

.hero-platforms {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.platform-tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  padding: 0.4rem 1rem;
  border-radius: 100px;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 5rem 2rem;
  text-align: center;
  background: var(--bg-subtle);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto 3rem;
}

.problem-stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

.problem-line {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--fg);
  max-width: 650px;
  margin: 0 auto;
}

/* ---- FEATURES ---- */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3.5rem;
  letter-spacing: -0.02em;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s;
}

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

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* ---- HOW IT WORKS ---- */
.how {
  padding: 6rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3.5rem;
  letter-spacing: -0.02em;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
  width: 60px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

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

/* ---- CLOSING ---- */
.closing {
  padding: 6rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-subtle) 50%, var(--bg) 100%);
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  letter-spacing: -0.02em;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-light);
}

/* ---- FOOTER ---- */
footer {
  padding: 2rem;
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .problem-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .feature-cards { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 0.75rem; }
  .step-num { width: auto; font-size: 1.8rem; }
  .hero { min-height: 80vh; padding: 3rem 1.5rem; }
  .features, .how, .closing { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero-platforms { gap: 0.5rem; }
  .platform-tag { font-size: 0.7rem; padding: 0.3rem 0.75rem; }
}