/* --- RESET & VARIABLES --- */
:root {
  --primary-blue: #1d4ed8;
  --primary-hover: #1e40af;
  --dark-navy: #0f172a;
  --navy-light: #1e293b;
  --slate-text: #334155;
  --slate-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --border-color: #e2e8f0;
  --tag-popular: #dc2626;
  --tag-new: #16a34a;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

body {
  font-family: var(--font-base);
  background-color: var(--bg-page);
  color: var(--slate-text);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

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

/* --- HEADER & NAVIGATION --- */
.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  background-color: var(--primary-blue);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark-navy);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy-light);
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-blue);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background-color: var(--dark-navy);
  border-radius: 2px;
}

/* --- HERO APP CARD --- */
.main-app-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
}

.app-card-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.avatar-box {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary-blue), var(--dark-navy));
  color: #ffffff;
  font-size: 2.2rem;
  font-weight: 800;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.app-card-details {
  flex: 1;
}

.app-card-details h1 {
  font-size: 1.85rem;
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
}

.app-tagline {
  color: var(--slate-muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.app-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  background-color: var(--bg-page);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.75rem;
  color: var(--slate-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.spec-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark-navy);
}

.spec-value.safe {
  color: #15803d;
}

.download-action-area {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-download {
  background-color: var(--primary-blue);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
}

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

.btn-primary {
  background-color: var(--primary-blue);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
}

.btn-outline {
  border: 1px solid var(--border-color);
  color: var(--dark-navy);
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--bg-page);
  border-color: var(--slate-muted);
}

.download-note {
  font-size: 0.85rem;
  color: var(--slate-muted);
}

/* --- TOP GAMES SECTION --- */
.section-heading {
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  font-size: 1.5rem;
  color: var(--dark-navy);
}

.section-heading p {
  color: var(--slate-muted);
  font-size: 0.95rem;
}

.top-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.top-game-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.top-game-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.rank-badge {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-blue);
  min-width: 30px;
}

.game-meta h3 {
  font-size: 0.95rem;
  color: var(--dark-navy);
  margin: 0.2rem 0;
}

.meta-size {
  font-size: 0.8rem;
  color: var(--slate-muted);
}

.status-tag {
  font-size: 0.65rem;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 700;
  display: inline-block;
  background: var(--border-color);
  color: var(--slate-text);
}

.status-tag.popular {
  background: #fee2e2;
  color: var(--tag-popular);
}

.status-tag.new {
  background: #dcfce7;
  color: var(--tag-new);
}

/* --- NOTICE BOX --- */
.notice-box {
  background-color: #fefce8;
  border-left: 4px solid #ca8a04;
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.notice-icon {
  font-size: 1.5rem;
}

.notice-body h3 {
  font-size: 1rem;
  color: #854d0e;
  margin-bottom: 0.35rem;
}

.notice-body p {
  font-size: 0.9rem;
  color: #713f12;
  margin-bottom: 0.5rem;
}

.notice-body p:last-child {
  margin-bottom: 0;
}

/* --- CONTENT SECTIONS --- */
.content-body {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.content-block {
  margin-bottom: 2rem;
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block h2 {
  font-size: 1.4rem;
  color: var(--dark-navy);
  margin-bottom: 0.75rem;
}

.content-block p {
  margin-bottom: 1rem;
}

.feature-bullets, .step-guide {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.feature-bullets li, .step-guide li {
  margin-bottom: 0.5rem;
}

.cta-banner {
  background: #eff6ff;
  border: 1px dashed var(--primary-blue);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  margin: 1.5rem 0;
}

.cta-banner p {
  margin-bottom: 1rem;
  color: var(--dark-navy);
}

/* --- TABLE --- */
.table-responsive {
  overflow-x: auto;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th, .specs-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.specs-table th {
  background-color: var(--bg-page);
  color: var(--dark-navy);
  font-weight: 600;
}

/* --- ACCORDION --- */
.faq-section {
  margin-bottom: 2.5rem;
}

.accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-navy);
  cursor: pointer;
  text-align: left;
}

.accordion-icon {
  font-size: 1.2rem;
  color: var(--slate-muted);
  transition: transform 0.2s ease;
}

.accordion-content {
  display: none;
  padding: 0 1.25rem 1rem 1.25rem;
  color: var(--slate-text);
  font-size: 0.95rem;
}

.accordion-item.active .accordion-content {
  display: block;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

/* --- SIMILAR GAMES --- */
.similar-games-section {
  margin-bottom: 3rem;
}

.similar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.similar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.similar-avatar {
  width: 50px;
  height: 50px;
  background-color: var(--navy-light);
  color: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.similar-info h3 {
  font-size: 1.1rem;
  color: var(--dark-navy);
}

.card-size {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--slate-muted);
  margin-bottom: 0.5rem;
}

.similar-info p {
  font-size: 0.9rem;
  color: var(--slate-muted);
  margin-bottom: 1rem;
}

/* --- FOOTER --- */
.site-footer {
  background-color: var(--dark-navy);
  color: #94a3b8;
  padding-top: 3rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

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

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

.footer-col ul li a {
  color: #cbd5e1;
}

.footer-col ul li a:hover {
  color: #ffffff;
}

.footer-email {
  color: #38bdf8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
}

/* --- MOBILE BREAKPOINTS --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }

  .site-nav.open {
    display: block;
  }

  .nav-menu {
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
  }

  .app-card-layout {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .download-action-area {
    justify-content: center;
  }

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

  .content-body {
    padding: 1.5rem;
  }
}