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

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --border: #2a2a2a;
  --text: #e5e5e5;
  --text-secondary: #a0a0a0;
  --text-tertiary: #666;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-muted: rgba(59, 130, 246, 0.1);
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ───────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }
section + section { border-top: 1px solid var(--border); }

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

/* ─── Header ───────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header .logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.site-header nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-header nav a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.site-header nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ─── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  text-decoration: none;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* ─── Hero ─────────────────────────────────── */
.hero {
  text-align: center;
  padding: 80px 0 40px;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 60%);
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.hero h1 .accent { color: var(--accent); }

.hero .subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero .cta-group {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero .hero-note {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ─── App Mockup ───────────────────────────── */
.app-mockup-wrapper {
  margin-top: 48px;
  perspective: 1200px;
}

.app-mockup {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03);
  transform: rotateX(2deg);
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #111;
  border-bottom: 1px solid var(--border);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #22c55e; }

.mockup-title {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

.mockup-body {
  display: grid;
  grid-template-columns: 160px 1fr 200px;
  height: 340px;
}

/* Sidebar */
.mockup-sidebar {
  border-right: 1px solid var(--border);
  padding: 12px;
  font-size: 11px;
}

.mockup-sidebar-title {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.mockup-cat {
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--text-secondary);
  margin-bottom: 2px;
  font-size: 11px;
}

.mockup-cat.active {
  background: var(--accent-muted);
  color: var(--accent);
}

.mockup-cat.indent { padding-left: 20px; }

.mockup-stats {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-tertiary);
}

/* Gallery */
.mockup-gallery {
  padding: 12px;
  overflow: hidden;
}

.mockup-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.mockup-search {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 10px;
  color: var(--text-tertiary);
  width: 140px;
}

.mockup-views {
  display: flex;
  gap: 2px;
}

.mockup-views span {
  padding: 3px 6px;
  border-radius: 3px;
  font-size: 9px;
  color: var(--text-tertiary);
}

.mockup-views span.active {
  background: var(--bg);
  color: var(--text-secondary);
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.mockup-thumb {
  aspect-ratio: 1;
  border-radius: 4px;
  position: relative;
}

.mockup-thumb .badge {
  position: absolute;
  bottom: 3px;
  right: 3px;
  font-size: 7px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 1px 4px;
  border-radius: 2px;
}

.mockup-thumb .stars {
  position: absolute;
  top: 3px;
  left: 3px;
  font-size: 7px;
  color: var(--warning);
}

/* Detail panel */
.mockup-detail {
  border-left: 1px solid var(--border);
  padding: 12px;
  font-size: 10px;
}

.mockup-preview {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  margin-bottom: 10px;
}

.mockup-detail-label {
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
  margin-top: 10px;
}

.mockup-detail-label:first-child { margin-top: 0; }

.mockup-rating {
  color: var(--warning);
  font-size: 12px;
  letter-spacing: 1px;
}

.mockup-prompt {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.mockup-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.mockup-tag {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  color: #fff;
}

/* ─── How It Works ─────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-muted);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
  border: 2px solid rgba(59,130,246,0.3);
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ─── Features ─────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: #3a3a3a;
  transform: translateY(-2px);
}

.feature-card .icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ─── Comparison Table ─────────────────────── */
.comparison-table {
  max-width: 640px;
  margin: 0 auto 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 12px 20px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--bg-card);
  font-weight: 600;
  font-size: 13px;
}

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table td:nth-child(2),
.comparison-table td:nth-child(3),
.comparison-table th:nth-child(2),
.comparison-table th:nth-child(3) {
  text-align: center;
  width: 100px;
}

.check { color: var(--success); font-weight: 700; }
.cross { color: var(--text-tertiary); }

/* ─── Pricing ──────────────────────────────── */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 640px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}

.pricing-card:hover { border-color: #3a3a3a; }

.pricing-card.featured {
  border-color: var(--accent);
  position: relative;
}

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

.pricing-card.featured::before {
  content: 'Best Value';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-card .price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.pricing-card .price-note {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-card ul {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-card ul li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-card ul li::before {
  content: '\2713';
  color: var(--success);
  font-weight: 700;
}

.pricing-card .btn { width: 100%; }

.free-note {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ─── Languages ────────────────────────────── */
.lang-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.lang-bar span {
  font-size: 13px;
  color: var(--text-tertiary);
  background: var(--bg-card);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* ─── Upgrade ──────────────────────────────── */
.upgrade-box {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.upgrade-box p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.upgrade-error {
  color: #ef4444;
  font-size: 13px;
  margin-top: 8px;
  display: none;
}

/* ─── FAQ ──────────────────────────────────── */
.faq-list {
  max-width: 640px;
  margin: 0 auto;
}

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

.faq-item summary {
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--text-tertiary);
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item .faq-answer {
  padding: 0 0 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Footer ───────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ─── Responsive ───────────────────────────── */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero .subtitle { font-size: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .mockup-body { grid-template-columns: 1fr; height: auto; }
  .mockup-sidebar, .mockup-detail { display: none; }
  section { padding: 48px 0; }
}