/* ============================================
   Chessd — Website Styles
   Matching the Flutter app's dark wood theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Lato:wght@300;400;600;700&display=swap');

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

:root {
  --bg: #3E2723;
  --surface: #4E342E;
  --surface-light: #5D4037;
  --text-primary: #F5F0E8;
  --text-secondary: #BCAAA4;
  --accent: #D4A03C;
  --accent-light: #E8C36A;
  --button-primary: #6D4C41;
  --button-hover: #7B5B50;
  --danger: #C62828;
  --success: #2E7D32;
  --board-light: #E8D5B5;
  --board-dark: #B58863;
  --board-border: #5D3A1A;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--accent-light);
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
}

img {
  max-width: 100%;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--surface-light);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-brand .brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-cta {
  background: var(--accent);
  color: var(--bg) !important;
  padding: 10px 24px;
  border-radius: 12px;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: var(--accent-light);
  color: var(--bg) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(212,160,60,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(181,136,99,0.1) 0%, transparent 50%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 56px;
  line-height: 1.1;
  margin-bottom: 20px;
}

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

.hero-content p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-family: 'Lato', sans-serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-light);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212,160,60,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: rgba(212,160,60,0.1);
  transform: translateY(-2px);
}

/* Hero visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  width: 380px;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.5));
  transition: transform 0.5s;
}

.hero-logo:hover {
  transform: scale(1.03);
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 40px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(212,160,60,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* --- How It Works --- */
.how-it-works {
  padding: 100px 0;
  background: var(--surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 64px;
}

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

.step-number {
  width: 56px;
  height: 56px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto 20px;
}

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

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

/* --- Stakes / Tiers --- */
.stakes {
  padding: 100px 0;
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.tier-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.3s;
}

.tier-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.tier-card.popular {
  border-color: var(--accent);
  position: relative;
}

.tier-card.popular::before {
  content: 'Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.tier-amount {
  font-family: 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.tier-currency {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}

.tier-win {
  color: var(--success);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.tier-fee {
  color: var(--text-secondary);
  font-size: 12px;
}

/* --- Testimonials --- */
.testimonials {
  padding: 100px 0;
  background: var(--surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--bg);
  border-radius: 16px;
  padding: 32px;
}

.testimonial-card .stars {
  color: var(--accent);
  font-size: 18px;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: rgba(212,160,60,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
}

.testimonial-name {
  font-weight: 600;
  font-size: 14px;
}

.testimonial-rating {
  color: var(--text-secondary);
  font-size: 12px;
}

/* --- CTA Section --- */
.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 40px;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.badge-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  padding: 12px 24px;
  border-radius: 12px;
  color: var(--text-primary);
  font-weight: 600;
  transition: all 0.2s;
}

.badge-link:hover {
  background: var(--surface-light);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.badge-link .badge-icon {
  font-size: 24px;
}

.badge-link small {
  font-size: 10px;
  color: var(--text-secondary);
  display: block;
  font-weight: 400;
}

/* --- Footer --- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--surface-light);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--accent);
}

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

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid var(--surface-light);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 13px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--text-secondary);
  font-size: 20px;
  transition: color 0.2s;
}

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

/* --- Page Header (for sub-pages) --- */
.page-header {
  padding: 120px 0 60px;
  text-align: center;
  background: var(--surface);
}

.page-header h1 {
  font-size: 44px;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 18px;
}

/* --- Content Sections (Privacy, Terms) --- */
.content-section {
  padding: 60px 0;
}

.content-section .container {
  max-width: 800px;
}

.content-section h2 {
  font-size: 28px;
  margin: 40px 0 16px;
  color: var(--accent);
}

.content-section h3 {
  font-size: 20px;
  margin: 28px 0 12px;
}

.content-section p,
.content-section li {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.content-section ul,
.content-section ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.content-section .last-updated {
  color: var(--text-secondary);
  font-size: 13px;
  font-style: italic;
  margin-top: 8px;
}

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 60px 0;
}

.blog-card {
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.blog-card-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.blog-card-image.chess-bg-1 {
  background: linear-gradient(135deg, var(--board-dark) 0%, var(--board-border) 100%);
}

.blog-card-image.chess-bg-2 {
  background: linear-gradient(135deg, var(--surface-light) 0%, var(--bg) 100%);
}

.blog-card-image.chess-bg-3 {
  background: linear-gradient(135deg, #5D3A1A 0%, var(--surface) 100%);
}

.blog-card-image img {
  width: 80px;
  height: 80px;
  filter: drop-shadow(2px 4px 8px rgba(0,0,0,0.4));
}

.blog-card-body {
  padding: 24px;
}

.blog-tag {
  display: inline-block;
  background: rgba(212,160,60,0.15);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.blog-card-body h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-card-body p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-meta {
  color: var(--text-secondary);
  font-size: 12px;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 60px 0;
}

.contact-info h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(212,160,60,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

.contact-form {
  background: var(--surface);
  border-radius: 16px;
  padding: 36px;
}

.contact-form h3 {
  font-size: 22px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface-light);
  border: 2px solid transparent;
  border-radius: 12px;
  color: var(--text-primary);
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  transition: border-color 0.2s;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- FAQ --- */
.faq {
  padding: 100px 0;
}

.faq-list {
  max-width: 720px;
  margin: 48px auto 0;
}

.faq-item {
  background: var(--surface);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: 'Lato', sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

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

.faq-question .arrow {
  transition: transform 0.3s;
  font-size: 14px;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

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

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* --- Responsive --- */
@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 40px;
  }
  .hero-content p { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-logo {
    width: 260px;
  }

  .features-grid,
  .testimonials-grid,
  .blog-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .tiers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--surface-light);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  }

  .hero-content h1 { font-size: 36px; }
  .section-header h2 { font-size: 30px; }
  .page-header h1 { font-size: 32px; }

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

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

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

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

  .cta-badges {
    flex-direction: column;
    align-items: center;
  }
}