/* Ana sayfa — above-the-fold (FCP/LCP) */
:root {
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --brand: #003d7a;
  --brand-2: #00a896;
  --brand-soft: rgba(0, 61, 122, 0.07);
  --corp-navy-mid: #003060;
  --header-bg: rgba(255, 255, 255, 0.98);
  --bg: #f6f8fb;
  --surface: #fff;
  --text: #002a54;
  --text-secondary: #3a5670;
  --text-muted: #6b849c;
  --border: rgba(0, 61, 122, 0.11);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 90% 70% at 0% 0%, rgba(0, 64, 128, 0.07), transparent 55%),
    radial-gradient(ellipse 80% 60% at 100% 10%, rgba(0, 176, 160, 0.06), transparent 50%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 45%, #eef5f8 100%);
  pointer-events: none;
}
body.home-page .bg-mesh { opacity: 1; }
.site-top {
  position: sticky;
  top: 0;
  z-index: 400;
  background: color-mix(in srgb, var(--header-bg) 92%, transparent);
  border-bottom: 1px solid var(--border);
}
.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; flex-shrink: 0; text-decoration: none; line-height: 0; }
.site-logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: min(230px, 52vw);
  object-fit: contain;
}
.site-logo--night { display: none; }
html[data-theme="dark"] .site-logo--day { display: none; }
html[data-theme="dark"] .site-logo--night { display: block; }
html[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #111827;
  --text: #e8eef4;
  --text-muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.14);
  --header-bg: rgba(15, 23, 42, 0.95);
  --brand-soft: rgba(0, 176, 160, 0.12);
}
.site-nav { display: none; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}
.nav-toggle {
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
}
.home-page .page-inner { max-width: 1200px; padding-top: 20px; }
.home-page .page-inner--search { padding: 0 20px 36px; }
.se-home {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(40px, 8vh, 72px) 0 32px;
}
.se-home-core {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.se-home-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, 1.95rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: var(--text);
}
.se-home-sub {
  margin: 0 0 24px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-muted);
}
.se-search-wrap { position: relative; width: 100%; text-align: left; }
.se-search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 5px 5px 5px 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 2px 12px rgba(0, 42, 84, 0.04);
}
.se-search-icon {
  flex-shrink: 0;
  margin-left: 16px;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}
.se-search-icon svg { display: block; width: 100%; height: 100%; }
.se-search-box input {
  flex: 1;
  min-width: 0;
  padding: 13px 6px;
  border: none;
  background: transparent;
  font: 500 1rem/1.2 inherit;
  color: var(--text);
  outline: none;
}
.se-search-go {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-right: 2px;
  border: none;
  border-radius: 12px;
  background: var(--corp-navy-mid);
  color: #fff;
  cursor: pointer;
}
.se-search-go svg { width: 18px; height: 18px; }
.se-search-hint {
  margin: 12px 0 0;
  font-size: 0.74rem;
  color: var(--text-muted);
  text-align: center;
}
.se-chips-block { margin-top: 28px; text-align: center; }
.se-chips-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.se-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}
.se-chip {
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
}
.se-home-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-top: 24px;
}
.se-home-nav-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--brand);
  text-decoration: none;
}
.se-home-seo {
  margin-top: 40px;
  text-align: center;
  padding: 0 8px 24px;
}
.se-home-seo-title {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
}
.se-home-seo-lead {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin-inline: auto;
}
.site-footer { margin-top: auto; }
@media (max-width: 640px) {
  .se-home { padding: max(24px, env(safe-area-inset-top)) 0 20px; }
  .home-page .page-inner--search { padding: 0 16px 28px; }
}