/* TextShift Store - AI Writing Tools Marketplace */
:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --bg-dark: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --border: #262626;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  --accent-yellow: #eab308;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; display: block; }

/* ─── Navigation ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-logo svg { width: 28px; height: 28px; }
.nav-logo .store-badge {
  background: var(--primary);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--primary);
  color: #000 !important;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--primary-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ─── Hero ─── */
.hero {
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
}

.hero-inner { max-width: 800px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #34d399 50%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.hero-stat { text-align: center; }
.hero-stat .num { font-size: 1.75rem; font-weight: 800; color: var(--primary); }
.hero-stat .label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary { background: var(--primary); color: #000; }
.btn-primary:hover { background: var(--primary-dark); color: #000; transform: translateY(-1px); }

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

.btn-group { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* ─── Section ─── */
.section {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

/* ─── Cards Grid ─── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: #000;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ─── Comparison Table ─── */
.compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.compare-table th {
  background: var(--bg-card);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
}

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

.compare-table tr:hover td { background: rgba(16, 185, 129, 0.03); }

.compare-table .highlight {
  background: rgba(16, 185, 129, 0.05);
  font-weight: 600;
}

.compare-table .check { color: var(--primary); }
.compare-table .cross { color: var(--accent-red); opacity: 0.5; }
.compare-table .winner { color: var(--primary); font-weight: 700; }

/* ─── Tool Profile ─── */
.tool-profile {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.tool-info h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.tool-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.stars { color: var(--accent-yellow); }

.tool-desc { color: var(--text-secondary); margin-bottom: 1.5rem; }

.tool-features {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.tool-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.tool-features li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 700;
}

.tool-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.tool-sidebar h3 { font-size: 1rem; margin-bottom: 1rem; }

.tool-sidebar .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.tool-sidebar .price-note {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

/* ─── Use Case Pages ─── */
.usecase-hero {
  padding: 4rem 1.5rem 3rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
}

.usecase-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.usecase-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.usecase-feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.usecase-feature .icon {
  width: 40px;
  height: 40px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.usecase-feature h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.usecase-feature p { font-size: 0.85rem; color: var(--text-secondary); }

/* ─── Deals ─── */
.deal-card {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.deal-card .deal-badge {
  background: var(--accent-orange);
  color: #000;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.deal-card .original-price {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.deal-card .deal-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

/* ─── Free Tools ─── */
.free-tool-demo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.free-tool-demo textarea {
  width: 100%;
  min-height: 150px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
  margin-bottom: 1rem;
}

.free-tool-demo textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.free-tool-result {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: left;
  margin-top: 1rem;
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2rem;
}

.footer-brand p { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.5rem; }

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 0.5rem; }

.footer-col a { color: var(--text-muted); font-size: 0.85rem; }
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ─── Schema/SEO Breadcrumb ─── */
.breadcrumb {
  padding: 0.75rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 0.4rem; }

/* ─── CTA Banner ─── */
.cta-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  margin: 2rem 0;
}

.cta-banner h2 { font-size: 1.75rem; font-weight: 800; margin-bottom: 0.75rem; }
.cta-banner p { color: var(--text-secondary); margin-bottom: 1.5rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }
  .nav-toggle { display: block; }
  .hero { padding: 3rem 1rem 2.5rem; }
  .hero-stats { gap: 1.5rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .tool-profile { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .compare-table th, .compare-table td { padding: 0.625rem 0.75rem; font-size: 0.8rem; }
  .section { padding: 2.5rem 1rem; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.75rem; }
  .btn-group { flex-direction: column; align-items: center; }
}

/* ─── Utility ─── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }