/* ============================================================
   CraftOS – Tasarım Sistemi
   Renkleri değiştirmek için sadece :root bloğuna dokunman yeterli.
   ============================================================ */

/* ---------- 1. Tokenlar ---------- */
:root {
  --brand-500: #22c55e;
  --brand-400: #4ade80;
  --brand-600: #16a34a;
  --brand-glow: rgba(34, 197, 94, .35);
  --accent-500: #14b8a6;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --container: 1200px;
  --gutter: 24px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .18);
  --shadow: 0 10px 30px -12px rgba(0, 0, 0, .45);
  --shadow-lg: 0 30px 70px -25px rgba(0, 0, 0, .6);

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* Koyu tema (varsayılan) */
html[data-theme="dark"] {
  --bg: #080b10;
  --bg-soft: #0c1119;
  --surface: #10161f;
  --surface-2: #151d28;
  --surface-hover: #1a2432;
  --border: rgba(255, 255, 255, .09);
  --border-strong: rgba(255, 255, 255, .16);
  --text: #eef2f8;
  --text-soft: #b9c2d0;
  --muted: #8892a4;
  --glass: rgba(10, 14, 20, .72);
  --grid-line: rgba(255, 255, 255, .04);
  color-scheme: dark;
}

/* Açık tema */
html[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #f6f8fb;
  --surface-hover: #eef2f7;
  --border: #e4e8ee;
  --border-strong: #d2d8e2;
  --text: #0d1420;
  --text-soft: #46536a;
  --muted: #6b7789;
  --glass: rgba(255, 255, 255, .8);
  --grid-line: rgba(10, 20, 40, .05);
  color-scheme: light;
}

/* ---------- 2. Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  line-height: 1.15;
  letter-spacing: -.025em;
  font-weight: 700;
}
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.8vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p  { margin: 0 0 1em; color: var(--text-soft); }

::selection { background: var(--brand-500); color: #04140a; }

:focus-visible {
  outline: 2px solid var(--brand-400);
  outline-offset: 3px;
  border-radius: 6px;
}

.icon { width: 20px; height: 20px; flex: none; }

/* ---------- 3. Yerleşim ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding: clamp(60px, 9vw, 110px) 0; }
.section--tight { padding: clamp(40px, 6vw, 70px) 0; }
.section--soft { background: var(--bg-soft); border-block: 1px solid var(--border); }

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(36px, 5vw, 60px);
  text-align: center;
}
.section-head p { font-size: 1.05rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.eyebrow .icon { width: 15px; height: 15px; color: var(--brand-500); }

.grad {
  background: linear-gradient(120deg, var(--brand-400), var(--accent-500) 55%, var(--brand-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 4. Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: .94rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s var(--ease), background .18s, border-color .18s, box-shadow .18s, color .18s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn .icon { width: 17px; height: 17px; }

.btn--primary {
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  color: #04170c;
  box-shadow: 0 8px 24px -10px var(--brand-glow);
}
.btn--primary:hover { box-shadow: 0 14px 34px -12px var(--brand-glow); }

.btn--ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { background: var(--surface-hover); border-color: var(--border-strong); }

.btn--quiet { background: transparent; color: var(--text-soft); }
.btn--quiet:hover { color: var(--text); background: var(--surface-hover); }

.btn--lg { padding: 14px 26px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--glass);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.site-header.is-stuck { border-bottom-color: var(--border); }

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
  margin-inline-end: 12px;
}
.brand__mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-400), var(--accent-500));
  color: #04170c;
  font-size: .95rem;
  font-weight: 800;
  box-shadow: 0 6px 18px -8px var(--brand-glow);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav__links a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: color .18s, background .18s;
}
.nav__links a:hover { color: var(--text); background: var(--surface-hover); }
.nav__links a.is-active { color: var(--text); font-weight: 600; }

.nav__spacer { flex: 1; }
.nav__actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-soft);
  cursor: pointer;
  transition: color .18s, background .18s, border-color .18s;
}
.icon-btn:hover { color: var(--text); background: var(--surface-hover); }

.nav__toggle { display: none; }

/* Mobil menü */
.mobile-menu {
  display: none;
  padding: 10px var(--gutter) 22px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.mobile-menu.is-open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  font-weight: 500;
}
.mobile-menu a:last-of-type { border-bottom: 0; }
.mobile-menu .btn { margin-top: 14px; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: grid; }
  /* Giriş/Kayıt butonları mobilde menünün içinde */
  .nav__actions > .btn { display: none; }
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  padding: clamp(60px, 10vw, 120px) 0 clamp(50px, 7vw, 90px);
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 620px;
  background:
    radial-gradient(60% 55% at 50% 0%, var(--brand-glow), transparent 70%),
    radial-gradient(40% 40% at 80% 10%, rgba(20, 184, 166, .22), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 25%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 25%, #000 30%, transparent 100%);
  pointer-events: none;
  z-index: -1;
}
.hero h1 { max-width: 16ch; margin-inline: auto; }
.hero__lead {
  max-width: 62ch;
  margin: 0 auto 30px;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.hero__note { margin-top: 18px; font-size: .86rem; color: var(--muted); }

/* Güven şeridi */
.trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 34px;
  margin-top: 44px;
  font-size: .85rem;
  color: var(--muted);
}
.trust span { display: inline-flex; align-items: center; gap: 7px; }
.trust .icon { width: 16px; height: 16px; color: var(--brand-500); }

/* ---------- 7. Kartlar / özellikler ---------- */
.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform .2s var(--ease), border-color .2s, background .2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.card h3 { margin-bottom: .35em; }
.card p { margin: 0; font-size: .95rem; }

.card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--brand-500);
}

/* ---------- 8. Fiyatlandırma ---------- */
.billing {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  margin: 0 auto 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
}
.billing button {
  padding: 9px 20px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-soft);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.billing button.is-active {
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  color: #04170c;
}
.billing__hint {
  display: block;
  margin-bottom: 42px;
  font-size: .85rem;
  color: var(--muted);
}

.plans {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: transform .22s var(--ease), border-color .22s, box-shadow .22s;
}
.plan:hover { transform: translateY(-4px); border-color: var(--border-strong); }

.plan--featured {
  border-color: var(--brand-500);
  background:
    linear-gradient(180deg, rgba(34, 197, 94, .09), transparent 42%),
    var(--surface);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--brand-500) inset;
}

.plan__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  color: #04170c;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.plan__name { margin-bottom: .25em; font-size: 1.3rem; }
.plan__tagline { min-height: 44px; margin-bottom: 20px; font-size: .92rem; color: var(--muted); }

.plan__price {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.plan__amount {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
}
.plan__period { padding-bottom: 5px; font-size: .9rem; color: var(--muted); }
.plan__was {
  margin-inline-start: auto;
  padding-bottom: 5px;
  font-size: .82rem;
  color: var(--muted);
  text-decoration: line-through;
}

.plan__features { flex: 1; margin: 0 0 26px; padding: 0; list-style: none; }
.plan__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: .93rem;
  color: var(--text-soft);
}
.plan__features .icon { width: 17px; height: 17px; margin-top: 4px; color: var(--brand-500); }
.plan__features li strong { color: var(--text); font-weight: 600; }

.pricing-note {
  max-width: 720px;
  margin: 34px auto 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--muted);
  text-align: center;
}

/* Ek hizmetler */
.addon {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .2s, transform .2s var(--ease);
}
.addon:hover { transform: translateY(-3px); border-color: var(--brand-500); }
.addon h3 { margin: 0; font-size: 1.02rem; }
.addon p { margin: 0; font-size: .89rem; }
.addon__price { margin-top: auto; padding-top: 10px; font-size: .86rem; color: var(--muted); }
.addon__price b { color: var(--text); font-size: 1.05rem; }

/* ---------- 9. SSS ---------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s;
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--muted);
  transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq__body { padding: 0 22px 20px; }
.faq .faq__body p { margin: 0; font-size: .95rem; }

/* ---------- 10. CTA şeridi ---------- */
.cta-band {
  position: relative;
  padding: clamp(44px, 6vw, 70px) clamp(24px, 5vw, 60px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 140% at 15% 0%, rgba(34, 197, 94, .16), transparent 60%),
    var(--surface);
  text-align: center;
  overflow: hidden;
}
.cta-band h2 { max-width: 26ch; margin-inline: auto; }
.cta-band p { max-width: 55ch; margin-inline: auto; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 26px; }

/* ---------- 11. Kimlik doğrulama sayfaları ---------- */
.auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 68px);
}
.auth__form-side {
  display: grid;
  place-items: center;
  padding: clamp(32px, 6vw, 70px) var(--gutter);
}
.auth__box { width: 100%; max-width: 430px; }
.auth__box h1 { font-size: clamp(1.7rem, 3.4vw, 2.1rem); margin-bottom: .3em; }
.auth__box > p { margin-bottom: 26px; font-size: .96rem; }

.auth__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 64px);
  border-inline-start: 1px solid var(--border);
  background:
    radial-gradient(80% 70% at 70% 15%, rgba(34, 197, 94, .18), transparent 65%),
    var(--bg-soft);
  overflow: hidden;
}
.auth__aside::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.auth__aside > * { position: relative; z-index: 1; }
.auth__aside blockquote {
  margin: 0 0 26px;
  font-size: 1.22rem;
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: -.02em;
}
.auth__points { margin: 0; padding: 0; list-style: none; }
.auth__points li {
  display: flex;
  gap: 11px;
  padding: 9px 0;
  font-size: .95rem;
  color: var(--text-soft);
}
.auth__points .icon { color: var(--brand-500); margin-top: 3px; }

@media (max-width: 900px) {
  .auth { grid-template-columns: 1fr; min-height: 0; }
  .auth__aside { display: none; }
}

/* ---------- 12. Formlar ---------- */
.field { margin-bottom: 16px; }
.field > label {
  display: block;
  margin-bottom: 7px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-soft);
}

.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .icon {
  position: absolute;
  inset-inline-start: 14px;
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}
.input-wrap .icon ~ .input { padding-inline-start: 43px; }

.input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font-size: .96rem;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.input::placeholder { color: var(--muted); }
.input:focus {
  outline: 0;
  border-color: var(--brand-500);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--brand-glow);
}
.input.has-error { border-color: #ef4444; }

.field__error { display: block; margin-top: 6px; font-size: .82rem; color: #f87171; }
.field__hint  { display: block; margin-top: 6px; font-size: .82rem; color: var(--muted); }

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: var(--text-soft);
  cursor: pointer;
}
.checkbox input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--brand-500); flex: none; }
.checkbox a { color: var(--brand-400); text-decoration: underline; text-underline-offset: 3px; }

.form-row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

.form-foot {
  margin-top: 22px;
  font-size: .9rem;
  color: var(--muted);
  text-align: center;
}
.form-foot a { color: var(--brand-400); font-weight: 600; }

/* Şifre gücü */
.strength { display: flex; gap: 5px; margin-top: 9px; }
.strength span {
  height: 4px;
  flex: 1;
  border-radius: 3px;
  background: var(--border);
  transition: background .25s;
}
.strength[data-level="1"] span:nth-child(1) { background: #ef4444; }
.strength[data-level="2"] span:nth-child(-n+2) { background: #f59e0b; }
.strength[data-level="3"] span:nth-child(-n+3) { background: #eab308; }
.strength[data-level="4"] span { background: var(--brand-500); }

.divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 22px 0;
  font-size: .8rem;
  color: var(--muted);
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- 13. Uyarılar ---------- */
.alert {
  display: block;
  padding: 13px 16px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .91rem;
  background: var(--surface-2);
}
.alert--success { border-color: rgba(34, 197, 94, .4); background: rgba(34, 197, 94, .1); color: var(--brand-400); }
.alert--error   { border-color: rgba(239, 68, 68, .4); background: rgba(239, 68, 68, .1); color: #fca5a5; }
.alert--info    { border-color: rgba(20, 184, 166, .4); background: rgba(20, 184, 166, .1); color: #5eead4; }

.alert .icon { display: inline-block; vertical-align: -4px; margin-inline-end: 6px; }
.alert strong { display: inline; }
.alert code {
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(127, 127, 127, .18);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88em;
}

/* ---------- 14. Panel ---------- */
.panel-head {
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.panel-head h1 { margin-bottom: .2em; font-size: clamp(1.6rem, 3vw, 2rem); }
.panel-head p { margin: 0; }

.stat-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.stat {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.stat__label { font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.stat__value { margin-top: 8px; font-size: 1.9rem; font-weight: 700; letter-spacing: -.03em; }
.stat__meta  { margin-top: 4px; font-size: .85rem; color: var(--muted); }

.data-list { margin: 0; padding: 0; list-style: none; }
.data-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-size: .94rem;
}
.data-list li:last-child { border-bottom: 0; }
.data-list dt, .data-list .k { color: var(--muted); }
.data-list .v { color: var(--text); font-weight: 500; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  font-size: .78rem;
  font-weight: 600;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-soft);
}
.badge--ok { border-color: rgba(34, 197, 94, .4); background: rgba(34, 197, 94, .12); color: var(--brand-400); }

/* ---------- 15. Footer ---------- */
.site-footer {
  padding: clamp(50px, 7vw, 80px) 0 30px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.footer-top {
  display: grid;
  gap: 40px;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-top { grid-template-columns: 1fr; } }

.footer-about p { max-width: 38ch; font-size: .92rem; }
.footer-col h4 {
  margin-bottom: 14px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: .93rem; color: var(--text-soft); transition: color .18s; }
.footer-col a:hover { color: var(--brand-400); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding-top: 26px;
  font-size: .86rem;
  color: var(--muted);
}

/* ---------- 16. Yardımcı sınıflar ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 18px; }
.mt-3 { margin-top: 28px; }
.mb-0 { margin-bottom: 0; }
.stack > * + * { margin-top: 18px; }
.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}