/* ─── Reset & Base ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a28;
  --bg-elevated: #16162a;
  --border: #1e1e35;
  --text: #e4e4ef;
  --text-muted: #8888a8;
  --text-dim: #55557a;
  --primary: #7c5cfc;
  --primary-hover: #9278ff;
  --primary-glow: rgba(124, 92, 252, 0.25);
  --accent: #00d4ff;
  --gradient: linear-gradient(135deg, #7c5cfc 0%, #00d4ff 100%);
  --gradient-warm: linear-gradient(135deg, #f5576c 0%, #ff6b6b 50%, #ffc371 100%);
  --success: #43e97b;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo:hover { color: var(--text); }

.logo-icon {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.5rem;
}

.logo-ai {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 30px var(--primary-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ─── Hero ─── */
.hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-hover);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.trust-line {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ─── Hero Art Grid ─── */
.hero-visual {
  margin-top: 60px;
  position: relative;
}

.art-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.art-card {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: var(--delay);
  opacity: 0;
}

.art-placeholder {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.art-placeholder:hover {
  transform: scale(1.03);
}

.art-prompt {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.9);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  line-height: 1.4;
  font-style: italic;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Section Header ─── */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ─── Features ─── */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(124, 92, 252, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ─── How It Works ─── */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.step {
  text-align: center;
  flex: 1;
  max-width: 280px;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.step-arrow {
  color: var(--text-dim);
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* ─── Gallery ─── */
.gallery {
  padding: 100px 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  grid-auto-rows: 200px;
}

.gallery-item {
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay p {
  font-size: 0.85rem;
  font-style: italic;
  color: rgba(255,255,255,0.9);
}

.gallery-note {
  text-align: center;
  margin-top: 24px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ─── Pricing ─── */
.pricing {
  padding: 100px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}

.pricing-card:hover {
  border-color: rgba(124, 92, 252, 0.3);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 40px var(--primary-glow);
  transform: scale(1.04);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-tier {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pricing-card.featured .pricing-price {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pricing-period {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(30, 30, 53, 0.5);
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* ─── Waitlist ─── */
.waitlist {
  padding: 100px 0;
}

.waitlist-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.waitlist-inner h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.waitlist-inner > p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.waitlist-form {
  margin-bottom: 16px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row input {
  flex: 1;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}

.form-row input::placeholder {
  color: var(--text-dim);
}

.form-row input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-message {
  margin-top: 12px;
  font-size: 0.9rem;
  min-height: 24px;
}

.form-message.success { color: var(--success); }
.form-message.error { color: #f5576c; }

.waitlist-trust {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ─── FAQ ─── */
.faq {
  padding: 100px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition);
  user-select: none;
}

.faq-question:hover {
  color: var(--primary-hover);
}

.faq-toggle {
  font-size: 1.3rem;
  color: var(--text-dim);
  transition: transform var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  padding-bottom: 20px;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

/* ─── Footer ─── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

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

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links a:not(.btn) { display: none; }

  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-cta { flex-direction: column; align-items: center; }

  .art-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

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

  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery-item.tall { grid-row: span 2; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .pricing-card.featured { transform: none; }

  .form-row { flex-direction: column; }

  .footer-inner { flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .art-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 1.8rem; }
  .section-header h2 { font-size: 1.7rem; }
}