:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #555570;
  --accent: #7c5cff;
  --accent-bright: #a78bfa;
  --accent-glow: rgba(124, 92, 255, 0.15);
  --gradient: linear-gradient(135deg, #7c5cff 0%, #ff6b9d 50%, #ffa64d 100%);
  --border: #1e1e2e;
  --radius: 12px;
  --radius-lg: 20px;
  --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);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* -------- GRADIENT TEXT -------- */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-bright);
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* -------- HERO -------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

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

.wave {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(124, 92, 255, 0.08);
  animation: pulse 8s ease-in-out infinite;
}

.wave-1 { width: 400px; height: 400px; animation-delay: 0s; }
.wave-2 { width: 600px; height: 600px; animation-delay: 1.5s; }
.wave-3 { width: 800px; height: 800px; animation-delay: 3s; }

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.05); }
}

.globe-grid {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, transparent 30%, var(--bg) 70%),
    linear-gradient(rgba(124, 92, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 60px 60px, 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-bright);
  margin-bottom: 24px;
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(124, 92, 255, 0.3);
  border-radius: 100px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 24px 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: inline-flex;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* -------- PROBLEM -------- */
.problem {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}

.problem h2 em {
  font-style: italic;
  color: var(--accent-bright);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.problem-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-glow);
  border: 1px solid rgba(124, 92, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-bright);
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.problem-card-highlight {
  border-color: rgba(124, 92, 255, 0.3);
  background: var(--accent-glow);
}

.problem-card-highlight p {
  color: var(--fg);
  font-weight: 500;
}

/* -------- FEATURES -------- */
.features {
  padding: 120px 0;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 56px;
  letter-spacing: -0.01em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(124, 92, 255, 0.3);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(124, 92, 255, 0.05) 100%);
}

.feature-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-bright);
  background: var(--accent-glow);
  border: 1px solid rgba(124, 92, 255, 0.2);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* -------- HOW IT WORKS -------- */
.how {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 64px;
  letter-spacing: -0.01em;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 640px;
}

.how-step {
  position: relative;
  padding-left: 48px;
  padding-bottom: 48px;
}

.how-step:last-child { padding-bottom: 0; }

.step-line {
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, var(--border) 100%);
}

.how-step:last-child .step-line { display: none; }

.step-dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  z-index: 1;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* -------- CLOSING -------- */
.closing {
  padding: 120px 0;
}

.closing-box {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 48px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.08) 0%, rgba(255, 107, 157, 0.05) 100%);
  border: 1px solid rgba(124, 92, 255, 0.15);
  border-radius: var(--radius-lg);
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* -------- FOOTER -------- */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

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

/* -------- RESPONSIVE -------- */
@media (max-width: 768px) {
  .hero { padding: 80px 0 60px; min-height: auto; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 24px; }
  .stat-divider { width: 40px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: 1; }
  .problem, .features, .how, .closing { padding: 80px 0; }
  .closing-box { padding: 48px 24px; }
  .footer-content { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-lede { font-size: 1rem; }
  .feature-card { padding: 24px 20px; }
}