/* ============================================
   NOTION KNIGHTS - CSS
   Medieval-inspired Notion Template Store
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-card: #18181b;
  --bg-hover: #1f1f23;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #c9a54e;
  --accent-hover: #d4b65f;
  --accent-glow: rgba(201, 165, 78, 0.15);
  --success: #22c55e;
  --error: #ef4444;
  --font-display: 'Cinzel', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 16px 64px rgba(0, 0, 0, 0.5);
  --transition: all 0.2s cubic-bezier(0.23, 1, 0.32, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============ HEADER ============ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent) 0%, #8b7230 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

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

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

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

.nav-cta {
  background: var(--accent);
  color: #0a0a0b !important;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

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

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 100px 24px 80px;
  text-align: center;
  overflow: hidden;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent) 0%, #8b7230 100%);
  color: #0a0a0b;
  box-shadow: 0 2px 8px rgba(201, 165, 78, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(201, 165, 78, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
}

/* ============ STATS BAR ============ */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 24px;
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  font-weight: 600;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
}

/* ============ SECTIONS ============ */
section {
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 16px auto 0;
}

/* ============ TEMPLATE CARDS ============ */
.templates-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.template-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}

.template-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-elevated);
}

.template-card-image {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
  overflow: hidden;
}

.template-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.template-card-image .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.template-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 12px;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.template-card-body {
  padding: 20px;
}

.template-card-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

.template-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.template-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.template-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.template-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}

.template-price.free {
  color: var(--success);
}

.template-card-btn {
  padding: 10px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.template-card-btn:hover {
  background: var(--accent);
  color: #0a0a0b;
  border-color: var(--accent);
}

/* ============ CATEGORIES ============ */
.categories-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.category-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.category-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.category-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============ FEATURES ============ */
.features-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-item {
  text-align: center;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--accent-glow);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============ NEWSLETTER ============ */
.newsletter {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.newsletter-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.newsletter-form input::placeholder {
  color: var(--text-muted);
}

/* ============ FOOTER ============ */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 24px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============ TEMPLATE DETAIL ============ */
.template-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.template-detail-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
}

.template-gallery {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.template-gallery img {
  width: 100%;
  display: block;
}

.template-gallery .placeholder {
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.template-info {
  position: sticky;
  top: 100px;
  align-self: start;
}

.template-info .category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}

.template-info h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.template-info .price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
}

.template-info .description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.template-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.meta-item {
  font-size: 0.85rem;
}

.meta-item span {
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.meta-item strong {
  color: var(--text-primary);
}

.purchase-btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

/* ============ CART ============ */
.cart-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.cart-page h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 32px;
}

.cart-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.cart-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}

.cart-item-image {
  width: 100px;
  height: 80px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}

.cart-item-info {
  flex: 1;
}

.cart-item-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.cart-item-category {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cart-item-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 600;
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  transition: var(--transition);
}

.cart-item-remove:hover {
  color: var(--error);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 24px;
}

.cart-total-label {
  font-size: 1.1rem;
  font-weight: 500;
}

.cart-total-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  font-weight: 600;
}

/* ============ ABOUT PAGE ============ */
.about-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.about-page h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.about-page p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ============ CONTACT PAGE ============ */
.contact-page {
  max-width: 600px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.contact-page h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============ PAGE HEADER ============ */
.page-header {
  text-align: center;
  padding: 80px 24px 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

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

/* ============ FILTER BAR ============ */
.filter-bar {
  max-width: 1200px;
  margin: 0 auto 40px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  color: #0a0a0b;
  border-color: var(--accent);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 16px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .stats-inner {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

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

  .template-info {
    position: static;
  }

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