/* Mego360 — Information & Analytics Portal */
/* Google AdSense friendly: fast, responsive, accessible, clear policy links */

:root {
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-border: #e5e7eb;
  --color-text: #111827;
  --color-text-secondary: #4b5563;
  --color-muted: #9ca3af;
  --color-primary: #0f4c81;
  --color-primary-dark: #0a3560;
  --color-accent: #00a8e8;
  --color-accent-soft: #e6f7fe;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
  --max-width: 1200px;
  --header-height: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* Layout */
.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-text);
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  transition: border-color 0.2s;
}

.search-form:focus-within {
  border-color: var(--color-accent);
}

.search-form input {
  border: none;
  background: transparent;
  outline: none;
  font: inherit;
  width: 160px;
  color: var(--color-text);
}

.search-form button {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-muted);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

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

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

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

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(180deg, var(--color-accent-soft) 0%, var(--color-bg) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.ai-summary-box {
  background: var(--color-accent-soft);
  border-left: 4px solid var(--color-accent);
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.6rem;
  margin: 0;
}

.section-subtitle {
  color: var(--color-text-secondary);
  margin: 0.25rem 0 0;
}

.link-more {
  font-weight: 600;
  font-size: 0.95rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card-image {
  aspect-ratio: 16 / 9;
  background: var(--color-surface);
  display: grid;
  place-items: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  overflow: hidden;
}

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

.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.card-category {
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  line-height: 1.35;
}

.card p {
  margin: 0 0 1rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  flex: 1;
}

/* Featured article (large) */
.featured-card {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.featured-card .card-image {
  aspect-ratio: auto;
  min-height: 240px;
}

/* Ad placeholders */
.ad-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  text-align: center;
  margin-bottom: 0.4rem;
}

.ad-placeholder {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--color-muted);
  font-size: 0.85rem;
  margin: 1.5rem 0;
}

.ad-leaderboard {
  width: 100%;
  height: 90px;
}

.ad-medium-rect {
  width: 100%;
  height: 250px;
}

.ad-infeed {
  width: 100%;
  min-height: 200px;
}

/* Promo block (alternative to ads) */
.promo-box {
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.promo-box strong {
  display: block;
  font-size: 1.1rem;
  color: var(--color-text);
}

.promo-box span {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Stats / ratings tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg);
}

th, td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-surface);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
}

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

.rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-surface);
  font-weight: 700;
  font-size: 0.85rem;
}

.rank.top {
  background: var(--color-primary);
  color: #fff;
}

/* Newsletter */
.newsletter {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
}

.newsletter h2 {
  margin: 0 0 0.5rem;
}

.newsletter p {
  color: var(--color-text-secondary);
  margin: 0 0 1.25rem;
}

.newsletter-form {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.newsletter-form input {
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  min-width: 260px;
  font: inherit;
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-col a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Policy pages */
.policy-page h1 {
  font-size: 2rem;
  margin: 2rem 0 1rem;
}

.policy-page article {
  max-width: 780px;
}

.policy-page h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.policy-page ul {
  padding-left: 1.4rem;
}

.policy-page li {
  margin-bottom: 0.4rem;
}

/* Contact form */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.contact-info p {
  margin: 0.25rem 0 1rem;
  color: var(--color-text-secondary);
}

/* Utilities */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-ai {
  background: #ede9fe;
  color: #5b21b6;
}

.text-muted {
  color: var(--color-muted);
}

/* Mobile */
@media (max-width: 900px) {
  .hero-grid,
  .featured-card,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .featured-card {
    grid-column: span 1;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .search-form {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 2.5rem 0 2rem;
  }

  .section {
    padding: 2rem 0;
  }

  .newsletter {
    padding: 1.5rem;
  }

  .newsletter-form input {
    min-width: 100%;
  }
}