/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0D0D1A;
  --bg-2: #12122A;
  --bg-card: #151530;
  --fg: #F0F0FF;
  --fg-muted: #8888AA;
  --accent: #00E887;
  --accent-dim: rgba(0,232,135,0.12);
  --amber: #FFB800;
  --border: rgba(255,255,255,0.07);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  backdrop-filter: blur(12px);
  background: rgba(13,13,26,0.8);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,232,135,0.2);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-text h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 440px;
  line-height: 1.7;
}

/* ===== HERO MOCKUP ===== */
.hero-mockup {
  position: relative;
}
.mockup-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
  position: relative;
  z-index: 1;
}
.mockup-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at 50% 50%, rgba(0,232,135,0.08) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.mockup-dots {
  display: flex;
  gap: 6px;
}
.mockup-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.mockup-dots span:nth-child(1) { background: #FF5F57; }
.mockup-dots span:nth-child(2) { background: #FFBD2E; }
.mockup-dots span:nth-child(3) { background: #28CA41; }
.mockup-label {
  font-size: 11px;
  color: var(--fg-muted);
  font-family: 'Syne', sans-serif;
  letter-spacing: 0.05em;
}
.mockup-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.input-row {
  display: flex;
  gap: 8px;
}
.input-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,232,135,0.08);
  border: 1px solid rgba(0,232,135,0.2);
  border-radius: 100px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--accent);
}
.platform-row, .tone-row {
  display: flex;
  gap: 6px;
}
.platform, .tone {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  background: rgba(255,255,255,0.05);
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
.platform.selected, .tone.selected {
  background: rgba(0,232,135,0.12);
  color: var(--accent);
  border-color: rgba(0,232,135,0.3);
}
.generate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #0D0D1A;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Syne', sans-serif;
}
.mockup-output {
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  margin-bottom: 8px;
}
.output-label {
  font-size: 10px;
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.output-text {
  font-size: 11px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.mockup-footer {
  display: flex;
  justify-content: flex-end;
}
.hashtag-pill {
  font-size: 10px;
  color: var(--accent);
  opacity: 0.7;
  background: var(--accent-dim);
  border-radius: 100px;
  padding: 3px 8px;
}

/* ===== HERO STATS ===== */
.hero-stats {
  max-width: 1200px;
  margin: 60px auto 0;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 24px 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-desc {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin: 0 24px;
}

/* ===== SECTION COMMON ===== */
section {
  padding: 100px 40px;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,232,135,0.15);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.section-sub {
  color: var(--fg-muted);
  font-size: 16px;
  margin-top: 12px;
}

/* ===== HOW IT WORKS ===== */
.howitworks { background: var(--bg); }
.steps {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  padding: 0 24px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step-icon {
  width: 56px; height: 56px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.step h3 {
  font-family: 'Syne', sans-serif;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step p { font-size: 14px; color: var(--fg-muted); line-height: 1.7; }
.step-connector {
  width: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  top: 28px;
}
.step-connector::before {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ===== FEATURES ===== */
.features { background: var(--bg-2); }
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  padding: 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: #1a1a38; }
.feature-accent {
  background: rgba(0,232,135,0.05);
}
.feature-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.65; }

/* ===== PRICING ===== */
.pricing { background: var(--bg); }
.pricing-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
}
.pricing-featured {
  background: var(--bg-2);
  border-color: rgba(0,232,135,0.3);
  position: relative;
}
.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0D0D1A;
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.plan-name {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.plan-price {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.currency {
  font-size: 24px;
  vertical-align: top;
  margin-top: 8px;
  display: inline-block;
}
.period {
  font-size: 16px;
  font-weight: 400;
  color: var(--fg-muted);
}
.plan-desc {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.plan-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--fg);
}
.plan-features svg { flex-shrink: 0; margin-top: 2px; }
.plan-cta {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.plan-cta.featured {
  background: var(--accent);
  border-color: var(--accent);
  color: #0D0D1A;
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--bg-2); }
.testimonial-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.testimonial-quote { margin-bottom: 16px; }
.testimonial-text {
  font-size: 15px;
  color: var(--fg);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #0066cc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #0D0D1A;
  flex-shrink: 0;
}
.author-name {
  font-size: 14px;
  font-weight: 600;
  font-family: 'Syne', sans-serif;
}
.author-role {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 2px;
}

/* ===== CLOSING ===== */
.closing {
  background: var(--bg);
  padding: 120px 40px;
  text-align: center;
}
.closing-inner { max-width: 600px; margin: 0 auto; }
.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.closing p {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 36px;
}
.cta-btn {
  display: inline-block;
  padding: 16px 36px;
  background: var(--accent);
  color: #0D0D1A;
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0,232,135,0.25);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 60px 40px 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 14px; color: var(--fg-muted); max-width: 280px; }
.footer-links {
  display: contents;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-heading {
  font-size: 11px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: var(--fg);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.footer-col a:hover { opacity: 1; }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 13px; color: var(--fg-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-text { text-align: center; }
  .hero-sub { margin: 0 auto; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .step-connector { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  section { padding: 80px 20px; }
  .hero { padding: 100px 20px 60px; }
  .features-grid { grid-template-columns: 1fr; }
  .closing { padding: 80px 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}