:root {
  color-scheme: dark;
  --background: #050505;
  --surface: #111111;
  --text: #f5f5f5;
  --muted: #aaaaaa;
  --border: #2a2a2a;
  --accent: #ffffff;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at top right, #191919 0, transparent 32rem),
    var(--background);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
}

.site-header,
.site-footer,
.page {
  width: min(100% - 32px, 880px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  border-bottom: 1px solid var(--border);
}

.brand {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.32em;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 13px;
}

.site-nav a,
.text-link {
  color: var(--muted);
  text-underline-offset: 4px;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--text);
}

.page {
  padding-block: 72px 88px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1,
h2 {
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(36px, 7vw, 64px);
  letter-spacing: -0.035em;
}

h2 {
  margin: 42px 0 12px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

p,
li {
  color: #d2d2d2;
}

.lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.meta {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.content {
  margin-top: 56px;
  padding: clamp(24px, 6vw, 52px);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.content h2:first-child {
  margin-top: 0;
}

.content ul,
.steps {
  padding-left: 22px;
}

.content li + li,
.steps li + li {
  margin-top: 8px;
}

.notice {
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 2px solid var(--accent);
  background: #181818;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #000000;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.button:hover,
.button:focus-visible {
  background: #d8d8d8;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
}

.card:hover,
.card:focus-visible {
  border-color: #777777;
}

.card h2 {
  margin-top: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 28px 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 4px;
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding-block: 18px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .page {
    padding-block: 48px 64px;
  }

  .content {
    margin-top: 38px;
  }

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

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ── Hesap işlemi sayfası (şifre sıfırlama / e-posta doğrulama / kurtarma) ── */

.action-page {
  max-width: 480px;
}

.status-region {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.action-form {
  margin-top: 32px;
}

.field {
  margin-top: 20px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.input-group {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  background: var(--surface);
}

.input-group:focus-within {
  border-color: #ffffff;
}

.input-group input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
}

.input-group input:focus {
  outline: none;
}

.toggle-visibility {
  flex-shrink: 0;
  padding: 0 16px;
  border: 0;
  border-left: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.toggle-visibility:hover,
.toggle-visibility:focus-visible {
  color: var(--text);
}

.field-error {
  margin: 8px 0 0;
  color: #e53935;
  font-size: 13px;
}

.action-form .button {
  width: 100%;
  margin-top: 28px;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

.action-form .button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-inline-end: 8px;
  vertical-align: -2px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: topaxx-spin 0.8s linear infinite;
}

@keyframes topaxx-spin {
  to {
    transform: rotate(360deg);
  }
}

.action-footer-link {
  margin-top: 40px;
}

@media (max-width: 680px) {
  .input-group {
    flex-direction: column;
  }

  .toggle-visibility {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
  }
}