:root {
  --bg: #fffbf3;
  --surface: #ffffff;
  --surface-alt: #f3f1e9;
  --text: #1c2b33;
  --muted: #5b6b7a;
  --brand: #0f766e;
  --brand-dark: #0b5b55;
  --accent: #d97706;
  --border: #e8ddc7;
  --danger: #b3261e;
  --shadow: 0 12px 32px rgba(28, 43, 51, 0.08);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --focus-ring: 0 0 0 3px rgba(15, 118, 110, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

.site-header {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 88px 24px 72px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--brand);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-text {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease;
}

.button:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.button-secondary:hover {
  background: var(--surface-alt);
}

.button-small {
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
}

.features {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 24px 88px;
}

.features h2 {
  text-align: center;
  font-size: 28px;
  margin: 0 0 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(28, 43, 51, 0.12);
}

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0 0 6px;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

/* Yasal sayfalar: gizlilik, kullanim kosullari, hesap silme */
.legal {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 72px;
}

.legal h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.legal h2 {
  margin: 40px 0 12px;
  font-size: 22px;
}

.legal h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

.legal ul,
.legal ol {
  padding-left: 22px;
}

.legal li {
  margin-bottom: 6px;
}

.legal a {
  color: var(--brand-dark);
}

.legal-meta {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.callout {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 0 0 24px;
  font-size: 15px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.legal-table th,
.legal-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.legal-table th {
  background: var(--surface-alt);
  font-size: 14px;
}

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

.steps {
  padding-left: 22px;
}

@media (max-width: 560px) {
  .legal {
    padding: 20px 18px 56px;
  }

  .legal-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .site-nav a:first-child {
    display: none;
  }

  .hero {
    padding-top: 56px;
  }
}