/* site-ui.css — tmomsoft ortak arayuz katmani
 *
 * Tema degiskenleri (acik/koyu), ust menu, mobil menu, butonlar ve
 * giris animasyonlari. Degerler index.html'deki inline CSS'ten birebir
 * alindi; amac ikisinin bir daha ayrisimamasi.
 *
 * ⚠️ index.html HENUZ bu dosyayi kullanmiyor — kendi inline kopyasi var.
 * Yeni sayfalar bunu kullanir. index.html'i buraya tasimak ayri bir is
 * (canli ana sayfa, kendi test turunu hak ediyor).
 *
 * Sayfaya ozel CSS bu dosyadan SONRA yuklenmeli ve :root'u yeniden
 * tanimlamamali; yoksa tema degistirme calismaz.
 */

/* ---------- tema degiskenleri ---------- */

:root {
  --bg:           #05060F;
  --bg-soft:      #0A0D1C;
  --bg-mute:      #11162A;
  --surface:      rgba(20, 26, 50, .55);
  --surface-2:    rgba(30, 38, 70, .4);

  --ink:          #FFFFFF;
  --ink-soft:     #C7CEE0;
  --ink-mute:     #8A92A8;
  --ink-faint:    #5A6280;

  --line:         rgba(255, 255, 255, .08);
  --line-strong:  rgba(255, 255, 255, .14);

  --brand:        #4A7BFF;
  --brand-bright: #6B92FF;
  --brand-deep:   #2A5BFF;
  --brand-glow:   rgba(74, 123, 255, .55);
  --brand-cyan:   #22D3EE;

  --font-sans:    "Onest", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
  --bg:           #F8F9FC;
  --bg-soft:      #EEF1F8;
  --bg-mute:      #DEE3F0;
  --surface:      rgba(255, 255, 255, .9);
  --surface-2:    rgba(248, 249, 252, .8);

  --ink:          #05060F;
  --ink-soft:     #2D3447;
  --ink-mute:     #5C6478;
  --ink-faint:    #8A92A8;

  --line:         rgba(5, 6, 15, .08);
  --line-strong:  rgba(5, 6, 15, .14);

  --brand:        #2A5BFF;
  --brand-bright: #4A7BFF;
  --brand-deep:   #1D3FCC;
  --brand-glow:   rgba(42, 91, 255, .25);
}

/* ---------- ust menu ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-spacer { flex: 1; }

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  transition: opacity .18s;
}
.brand:hover { opacity: .82; text-decoration: none; }

/* Logo dosyasi SIYAH; koyu temada gorunmesi icin beyaza cevriliyor.
   Bu filtre unutulursa logo siyah zeminde kaybolur — 25 Eyl 2026'da
   QR menu sayfasinda tam olarak bu oldu. */
.brand img {
  height: 46px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: filter .25s;
}
[data-theme="light"] .brand img { filter: none; }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  color: inherit;
  text-decoration: none;
  transition: color .15s;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover::after { transform: scaleX(.6); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- tema dugmesi ---------- */

.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  transition: all .18s;
}
.theme-toggle:hover { background: var(--surface-2); color: var(--ink); }
.theme-toggle .moon { display: none; }
[data-theme="light"] .theme-toggle .sun { display: none; }
[data-theme="light"] .theme-toggle .moon { display: block; }

/* ---------- butonlar ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: #fff;
  color: #05060F;
}
/* Dar sag bosluk SADECE icinde ok dairesi varken. Bu kural kosulsuz
   yazildiginda oksuz butonlarin sagi kirpik goruyordu (25 Eyl 2026). */
.btn-primary:has(.arrow) { padding-right: 6px; }
.btn-primary .arrow {
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--brand);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 14px;
  transition: transform .2s;
}
.btn-primary:hover .arrow { transform: translateX(3px); }
[data-theme="light"] .btn-primary { background: var(--ink); color: #fff; }

.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--ink); }

/* ---------- mobil menu ---------- */

.menu-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  place-items: center;
  transition: all .18s;
}
.menu-toggle:hover { background: var(--surface-2); color: var(--ink); }

.mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(86vw, 340px);
  z-index: 60;
  background: var(--bg-soft);
  border-left: 1px solid var(--line);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateX(105%);
  transition: transform .28s cubic-bezier(.4, 0, .2, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .mhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.mobile-menu .mhead img { height: 38px; filter: brightness(0) invert(1); }
[data-theme="light"] .mobile-menu .mhead img { filter: none; }
.mobile-menu .close {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}
.mobile-menu .close:hover { background: var(--bg-mute); }
.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 500;
  text-decoration: none;
  transition: color .15s, padding-left .15s;
}
.mobile-menu a:hover { color: var(--brand); padding-left: 8px; text-decoration: none; }
.mobile-menu a::after { content: "→"; color: var(--ink-faint); font-weight: 300; }
.mobile-menu .mctrl { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.mobile-menu .actions { margin-top: 14px; }
.mobile-menu .actions .btn { width: 100%; justify-content: space-between; }

.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, .55);
  backdrop-filter: blur(2px);
}
.mobile-menu-overlay.open { display: block; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .menu-toggle { display: grid; }
  .nav-inner { padding: 14px 20px; gap: 16px; }
  .brand img { height: 38px; }
  .nav-actions .btn-primary { display: none; }
}

/* ---------- animasyonlar ---------- */

@keyframes tmFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

/* Acilista: hero ogeleri sirayla girer */
.tm-in { animation: tmFadeUp .62s cubic-bezier(.22, .8, .3, 1) both; }
.tm-in-1 { animation-delay: .05s; }
.tm-in-2 { animation-delay: .14s; }
.tm-in-3 { animation-delay: .23s; }
.tm-in-4 { animation-delay: .32s; }

/* Kaydirinca: site-ui.js gorunur olani .tm-seen yapar */
.tm-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s cubic-bezier(.22, .8, .3, 1),
              transform .6s cubic-bezier(.22, .8, .3, 1);
  will-change: opacity, transform;
}
.tm-reveal.tm-seen { opacity: 1; transform: none; }

/* JS calismazsa icerik gizli kalmasin */
.no-js .tm-reveal { opacity: 1; transform: none; }

/* Hareket azaltma tercihi: her sey aninda ve yerinde */
@media (prefers-reduced-motion: reduce) {
  .tm-in { animation: none; }
  .tm-reveal { opacity: 1; transform: none; transition: none; }
  .mobile-menu { transition: none; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* ---------- akordiyon (sik sorulanlar) ----------
 * <details> kullaniliyor: JS gerekmez, klavyeyle acilir, arama motoru
 * cevabi HTML'de gorur. Cevabi JS ile DOM'dan cikaran bir akordiyon
 * FAQPage semasini gecersiz kilardi.
 */

.faq {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, background .2s;
}
.faq:hover { border-color: var(--line-strong); }
.faq[open] { background: var(--surface-2); border-color: var(--line-strong); }

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
  border-radius: 16px;
}
.faq summary h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.faq summary:hover h3 { color: var(--brand-bright); }

.faq .faq-ok {
  flex: 0 0 auto;
  color: var(--ink-mute);
  transition: transform .25s ease, color .2s;
}
.faq[open] .faq-ok { transform: rotate(180deg); color: var(--brand-bright); }

.faq .faq-govde {
  padding: 0 20px 18px;
  animation: faqAc .28s cubic-bezier(.22, .8, .3, 1);
}
.faq .faq-govde p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

@keyframes faqAc {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.faq-not {
  font-size: 14px;
  color: var(--ink-mute);
  margin-top: -4px;
  margin-bottom: 18px;
}

@media (prefers-reduced-motion: reduce) {
  .faq .faq-govde { animation: none; }
  .faq .faq-ok { transition: none; }
}