/*
  Support AI™ — ortak temel: reset, tipografi, düğme, çip, form, kart,
  üst menü, alt bilgi, açılır menüler, görünür olma hareketi.
  Bütün sayfalar tokens.css + base.css yükler.
*/

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.55;
  font-feature-settings: "ss01" 1, "cv11" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur-3) var(--ease-out), color var(--dur-3) var(--ease-out);
}

img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; }
:where(ul, ol)[role="list"] { list-style: none; }
hr { border: 0; border-top: 1px solid var(--hairline); margin: 0; }
[hidden] { display: none !important; }

::selection { background: var(--accent-soft); color: var(--ink); }

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

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 200;
  padding: 10px 16px; border-radius: var(--r-pill);
  background: var(--primary); color: var(--on-primary);
  font-weight: 500; transition: top var(--dur-2) var(--ease-out);
}
.skip-link:focus { top: 12px; }

/* ── Yerleşim ─────────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container-narrow { max-width: calc(820px + var(--gutter) * 2); }

.section { padding-block: clamp(48px, 6vw, 80px); position: relative; }
.section-tight { padding-block: clamp(40px, 6vw, 72px); }

.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.center { text-align: center; align-items: center; }

/* ── Tipografi ────────────────────────────────────────────────────── */

.display {
  font-size: var(--fs-h1);
  line-height: 0.98;
  letter-spacing: var(--tracking-display);
  font-weight: 600;
  text-wrap: balance;
}
.h2 {
  font-size: var(--fs-h2);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 600;
  text-wrap: balance;
}
.h3 {
  font-size: var(--fs-h3);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 600;
  text-wrap: balance;
}
.h4 { font-size: 17px; line-height: 1.3; letter-spacing: -0.015em; font-weight: 600; }

/* Vurgu kelimesi: Geist, aynı ağırlık, ikincil mürekkep (serif/italik yok) */
.serif, em.serif, .display em, .h2 em, .h3 em, .serif-em {
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: inherit;
  letter-spacing: inherit;
  color: var(--ink-3);
}
.serif-plain { font-family: var(--font-sans); font-style: normal; font-weight: 600; letter-spacing: -0.03em; }

.overline {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-overline);
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.overline.muted { color: var(--ink-2); }
.lead { font-size: clamp(16px, 1.6vw, 19px); line-height: 1.55; color: var(--ink-2); text-wrap: pretty; }
.muted { color: var(--ink-2); }
.faint { color: var(--ink-3); }
.mono { font-family: var(--font-mono); font-feature-settings: "zero" 1; }
.small { font-size: var(--fs-sm); }
.xs { font-size: var(--fs-xs); }
.balance { text-wrap: balance; }
.pretty { text-wrap: pretty; }

.link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
}
.link:hover { text-decoration-color: var(--accent); }

/* ── Düğmeler ─────────────────────────────────────────────────────── */

.btn {
  --btn-h: 44px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: var(--btn-h);
  padding-inline: 18px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: transparent;
  font-size: 15px; font-weight: 500; line-height: 1;
  white-space: nowrap;
  user-select: none;
  transition: background-color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out),
    color var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.btn:active { transform: scale(0.98); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn .arrow { transition: transform var(--dur-2) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }
:root[dir="rtl"] .btn .arrow { transform: scaleX(-1); }
:root[dir="rtl"] .btn:hover .arrow { transform: scaleX(-1) translateX(3px); }

.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-hover); box-shadow: var(--shadow-float); }
.btn-secondary { background: var(--surface-raised); color: var(--ink); border-color: var(--hairline-strong); }
.btn-secondary:hover { border-color: var(--ink-3); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--surface); }
.btn-accent { background: var(--accent-soft); color: var(--accent-strong); border-color: var(--accent-line); }
.btn-accent:hover { border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #FFFFFF; }
.btn-danger:hover { filter: brightness(1.08); }
:root[data-theme="dark"] .btn-danger { color: #1A0A08; }

.btn-sm { --btn-h: 36px; padding-inline: 14px; font-size: 14px; }
.btn-lg { --btn-h: 52px; padding-inline: 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-icon {
  --btn-h: 38px;
  width: var(--btn-h); padding: 0;
  border-radius: var(--r-pill);
  color: var(--ink-2);
}
.btn-icon:hover { color: var(--ink); background: var(--surface); }
.btn-icon.raised {
  background: var(--surface-raised);
  border-color: var(--hairline);
  color: var(--ink);
  box-shadow: 0 3px 8px -4px rgba(23, 23, 23, 0.25);
}

/* ── Çip / rozet ──────────────────────────────────────────────────── */

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding-inline: 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: var(--surface-raised);
  color: var(--ink-2);
  font-size: 13px; line-height: 1;
  white-space: nowrap;
}
.chip svg { width: 15px; height: 15px; }
.chip.is-on, .chip[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-strong); border-color: var(--accent-line); }
.chip.ink { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: var(--r-pill);
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500;
  background: var(--surface); color: var(--ink-2);
}
.badge.accent { background: var(--accent); color: #FFFFFF; }
:root[data-theme="dark"] .badge.accent { color: #06121F; }
.badge.mint { background: color-mix(in srgb, var(--mint) 22%, transparent); color: var(--ink); }

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.dot.mint { background: var(--mint); }
.dot.live { animation: pulse 2s var(--ease-in-out) infinite; }

/* ── Kart ─────────────────────────────────────────────────────────── */

.card {
  background: var(--surface-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
}
.card-soft { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--r-xl); }
.card-float { box-shadow: var(--shadow-float); }

/* ── Form ─────────────────────────────────────────────────────────── */

.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .label { font-size: 13px; font-weight: 500; color: var(--ink); }
.field .hint { font-size: 12px; color: var(--ink-2); }
.input, .select, .textarea {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline-strong);
  background: var(--surface-raised);
  color: var(--ink);
  font-size: 15px;
  transition: border-color var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.textarea { height: auto; min-height: 110px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--ink-3); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}
.input[aria-invalid="true"] { border-color: var(--danger); }
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 18px) 20px, calc(100% - 13px) 20px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }

.switch { position: relative; width: 40px; height: 24px; flex-shrink: 0; }
.switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 1; }
.switch span { position: absolute; inset: 0; border-radius: 99px; background: var(--hairline-strong); transition: background var(--dur-2) var(--ease-out); }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #FFFFFF; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform var(--dur-2) var(--ease-spring); }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.status-line { font-size: 14px; min-height: 20px; color: var(--ink-2); }
.status-line.error { color: var(--danger); }
.status-line.ok { color: var(--accent); }

/* ── Marka kilidi ─────────────────────────────────────────────────── */

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand-tile {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--surface-raised);
  border: 1px solid var(--hairline);
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-tile svg { width: 20px; height: auto; }
.brand-name { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; white-space: nowrap; }
.brand-name sup, .tm { font-size: 0.55em; font-weight: 500; vertical-align: super; line-height: 0; margin-left: 1px; }
.mark { color: var(--mint); }

/* ── Üst menü ─────────────────────────────────────────────────────── */

/* Düz, tam genişlikte üst çubuk (kart/hap yok). Kaydırınca ince alt çizgi + hafif bulanıklık. */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: var(--canvas);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-3) var(--ease-out), border-color var(--dur-3) var(--ease-out);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--canvas) 86%, transparent);
  border-bottom-color: var(--hairline);
  -webkit-backdrop-filter: saturate(1.6) blur(16px);
  backdrop-filter: saturate(1.6) blur(16px);
}
.header-pill {
  max-width: var(--container); height: 100%;
  margin-inline: auto; padding: 0 var(--gutter);
  display: flex; align-items: center; gap: 36px;
}
/* Logo: zeminsiz işaret; açık temada siyah, koyu temada beyaz (Android: tint saInk). */
.brand-mark { flex-shrink: 0; width: 27px; height: 23px; color: var(--ink); }
.nav { display: flex; align-items: center; gap: 26px; flex: 1 1 auto; }
.nav a, .nav button.nav-trigger {
  height: 36px; padding: 0; border: 0; background: transparent;
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 14px; color: var(--ink-2);
  transition: color var(--dur-2) var(--ease-out);
}
.nav a:hover, .nav button.nav-trigger:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 500; }
.header-actions { display: flex; align-items: center; gap: 4px; }
.header-actions .btn-primary { --btn-h: 36px; padding-inline: 16px; font-size: 14px; }
.header-actions .btn-ghost { --btn-h: 36px; }
.lang-btn { gap: 6px; padding-inline: 10px; font-size: 13px; font-family: var(--font-mono); }
.menu-toggle { display: none; color: var(--ink); }

@media (max-width: 960px) {
  .nav, .header-actions .hide-sm { display: none !important; }
  .menu-toggle { display: inline-flex; }
  .header-pill { justify-content: space-between; gap: 12px; }
}
@media (max-width: 420px) {
  .header-actions .btn-primary { padding-inline: 14px; font-size: 13px; }
}

.sheet-prefs { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 0 6px 6px; }
.sheet-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 16px 6px 0; }
.sheet-cta [data-auth-in]:not([hidden]) { grid-column: 1 / -1; }
.lang-select { position: relative; display: inline-flex; align-items: center; }
.lang-select > svg { position: absolute; left: 12px; color: var(--ink-2); pointer-events: none; }
:root[dir="rtl"] .lang-select > svg { left: auto; right: 12px; }
.lang-select .select { padding-left: 36px; height: 40px; border-radius: var(--r-pill); min-width: 150px; font-size: 14px; }
.select-sm { height: 36px !important; font-size: 13px !important; min-width: 140px; }

/* Çeviri yüklenene kadar Türkçe metin parlamasın (en geç 1.6 sn sonra açılır) */
.i18n-pending body { visibility: hidden; animation: i18n-failsafe 0s linear 1.6s forwards; }
@keyframes i18n-failsafe { to { visibility: visible; } }

/* Mobil menü: alttan açılan yaprak (Android bottom sheet dili) */
.sheet-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: var(--scrim);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-3) var(--ease-out);
}
.sheet-backdrop.is-open { opacity: 1; pointer-events: auto; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  max-height: 88vh; overflow: auto;
  background: var(--surface-raised);
  border-top-left-radius: 26px; border-top-right-radius: 26px;
  border: 1px solid var(--hairline);
  padding: 10px 16px calc(20px + env(safe-area-inset-bottom));
  transform: translateY(105%);
  transition: transform var(--dur-3) var(--ease-out);
  box-shadow: var(--shadow-pop);
}
.sheet.is-open { transform: translateY(0); }
.sheet-handle { width: 40px; height: 4px; border-radius: 4px; background: var(--hairline-strong); margin: 4px auto 14px; }
.sheet-nav { display: flex; flex-direction: column; gap: 2px; }
.sheet-nav a, .sheet-nav button {
  display: flex; align-items: center; gap: 12px;
  min-height: 50px; padding: 0 14px; border-radius: var(--r-md);
  font-size: 16px; border: 0; background: transparent; text-align: start; width: 100%;
}
.sheet-nav a:hover, .sheet-nav button:hover { background: var(--surface); }
.sheet-nav svg { width: 20px; height: 20px; color: var(--ink-2); }
.sheet-section { font-size: 12px; color: var(--ink-3); padding: 14px 14px 6px; letter-spacing: 0.08em; text-transform: uppercase; }

/* ── Açılır menü (dil, hesap) ─────────────────────────────────────── */

.popover-wrap { position: relative; }
.popover {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 80;
  min-width: 220px; max-height: min(420px, 70vh); overflow: auto;
  padding: 6px;
  background: var(--surface-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-pop);
  opacity: 0; transform: translateY(-4px) scale(0.98); transform-origin: top right;
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out);
}
:root[dir="rtl"] .popover { right: auto; left: 0; transform-origin: top left; }
.popover.up { top: auto; bottom: calc(100% + 8px); transform-origin: bottom right; }
.popover.left { right: auto; left: 0; }
.popover.is-open { opacity: 1; transform: none; pointer-events: auto; }
.menu-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; min-height: 40px; padding: 0 12px;
  border: 0; border-radius: var(--r-sm); background: transparent;
  font-size: 14px; color: var(--ink); text-align: start;
}
.menu-item:hover, .menu-item:focus-visible { background: var(--surface); outline: none; }
.menu-item[aria-checked="true"]::after, .menu-item.is-active::after {
  content: ""; margin-inline-start: auto; width: 16px; height: 16px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
}
.menu-item svg { width: 17px; height: 17px; color: var(--ink-2); flex-shrink: 0; }
.menu-item .flag { width: 22px; text-align: center; font-size: 15px; }
.menu-item .meta { margin-inline-start: auto; font-size: 12px; color: var(--ink-3); }
.menu-sep { height: 1px; background: var(--hairline); margin: 6px 4px; }
.menu-label { padding: 8px 12px 4px; font-size: 12px; color: var(--ink-3); }
.menu-item.danger { color: var(--danger); }
.menu-item.danger svg { color: var(--danger); }

/* Tema anahtarı: üç durum (sistem / açık / koyu) */
.seg {
  display: inline-flex; padding: 3px; gap: 2px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: var(--surface);
}
.seg button {
  height: 30px; min-width: 34px; padding: 0 10px;
  border: 0; border-radius: var(--r-pill);
  background: transparent; color: var(--ink-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 13px;
  transition: background-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out);
}
.seg button svg { width: 15px; height: 15px; }
.seg button[aria-pressed="true"] { background: var(--surface-raised); color: var(--ink); box-shadow: var(--shadow-xs); }

/* ── Alt bilgi ────────────────────────────────────────────────────── */

.site-footer { border-top: 1px solid var(--hairline); padding-block: 56px 32px; font-size: 14px; color: var(--ink-2); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(4, minmax(0, 1fr)); gap: 32px; }
.footer-grid h3 { font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 12px; }
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-grid a:hover { color: var(--ink); }
.footer-bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--hairline); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
.socials { display: flex; gap: 6px; }
.socials a { width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: var(--ink-2); border: 1px solid var(--hairline); }
.socials a:hover { color: var(--ink); border-color: var(--hairline-strong); }
.socials svg { width: 16px; height: 16px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-grid > :first-child { grid-column: 1 / -1; } }
.footer-brand { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.footer-brand p { max-width: 280px; line-height: 1.55; }
.kaion-line { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); }
.kaion-logo { width: 26px; height: auto; opacity: 0.8; }
/* K·AION tam logosu (db + yazı), zeminsiz; tema mürekkebini alır */
.kaion-lockup { height: 13px; width: calc(13px * 5.534); color: var(--ink); flex-shrink: 0; }
.kaion-line .kaion-lockup + span { color: var(--ink-3); }
:root[data-theme="dark"] .kaion-logo, :root[data-theme="dark"] img.mono-logo { filter: invert(1); }
.footer-prefs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ── Arka plan ışığı (OnbGlowView) ────────────────────────────────── */

.glow-field { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.glow {
  position: absolute; border-radius: 50%;
  filter: blur(8px);
  will-change: transform;
}
.glow.a { width: 980px; height: 980px; left: 50%; top: -420px; margin-left: -720px; background: radial-gradient(circle, var(--glow-a) 0%, color-mix(in srgb, var(--glow-a) 40%, transparent) 38%, transparent 68%); animation: drift-a 16s var(--ease-in-out) infinite alternate; }
.glow.b { width: 760px; height: 760px; left: 50%; top: -260px; margin-left: -60px; background: radial-gradient(circle, var(--glow-mint) 0%, color-mix(in srgb, var(--glow-mint) 35%, transparent) 40%, transparent 68%); animation: drift-b 19s var(--ease-in-out) infinite alternate; }
.glow.c { width: 640px; height: 640px; right: -240px; top: 40%; background: radial-gradient(circle, var(--glow-b) 0%, transparent 66%); animation: drift-a 23s var(--ease-in-out) infinite alternate-reverse; }
.grain {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] .grain { mix-blend-mode: screen; opacity: 0.05; }

@keyframes drift-a { from { transform: translate3d(-40px, 0, 0) scale(1); } to { transform: translate3d(60px, 30px, 0) scale(1.06); } }
@keyframes drift-b { from { transform: translate3d(30px, -10px, 0) scale(1.04); } to { transform: translate3d(-50px, 40px, 0) scale(0.97); } }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.45; transform: scale(0.8); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes shimmer { from { background-position: -200% 0; } to { background-position: 200% 0; } }

/* ── Görünür olma (scroll reveal) ─────────────────────────────────── */

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out); transition-delay: var(--d, 0ms); }
[data-reveal].is-in { opacity: 1; transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }

/* ── Bildirim (toast) ─────────────────────────────────────────────── */

.toast-host { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 300; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  pointer-events: auto;
  padding: 11px 16px; border-radius: var(--r-pill);
  background: var(--primary); color: var(--on-primary);
  font-size: 14px; box-shadow: var(--shadow-pop);
  animation: fade-up var(--dur-3) var(--ease-out);
  max-width: min(92vw, 520px);
}
.toast.error { background: var(--danger); color: #FFFFFF; }

/* ── Diyalog (Android modern kart dili) ───────────────────────────── */

dialog.modal {
  border: 1px solid var(--hairline);
  border-radius: 24px;
  padding: 0;
  width: min(92vw, 440px);
  background: var(--surface-raised);
  color: var(--ink);
  box-shadow: var(--shadow-pop);
}
dialog.modal::backdrop { background: var(--scrim); backdrop-filter: blur(2px); }
dialog.modal[open] { animation: fade-up var(--dur-3) var(--ease-out); }
.modal-body { padding: 24px 24px 8px; display: flex; flex-direction: column; gap: 12px; }
.modal-body h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 16px 20px 20px; }

/* ── Erişilebilirlik: hareketi azalt ──────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ── Ortak: küreler, rota çipi, kaynak çipi (site + uygulama) ───── */

/* ── Model ikonları ─────────────────────────────────────────────────
   Android uygulamasındaki tek renk SVG ikonlar (res/drawable/ic_*.xml →
   assets/img/icons/m-*.svg). Gradyan yok: ikon mürekkep renginde, gerekirse
   ince çizgili bir karonun içinde. Sınıf adları eski "küre" isimleriyle
   aynı kaldı; JS data-engine'i değiştirince ikon kendiliğinden değişir. */

.orb-dot, .orb { --icon: url("/assets/img/icons/m-auto.svg"); }
[data-engine="openai"]   { --icon: url("/assets/img/icons/m-openai.svg"); }
[data-engine="claude"]   { --icon: url("/assets/img/icons/m-claude.svg"); }
[data-engine="gemini"]   { --icon: url("/assets/img/icons/m-gemini.svg"); }
[data-engine="grok"]     { --icon: url("/assets/img/icons/m-grok.svg"); }
[data-engine="deepseek"] { --icon: url("/assets/img/icons/m-deepseek.svg"); }
[data-engine="kimi"]     { --icon: url("/assets/img/icons/m-kimi.svg"); }
[data-engine="auto"]     { --icon: url("/assets/img/icons/m-auto.svg"); }
[data-engine="aura"]     { --icon: url("/assets/img/icons/m-aura.svg"); }
[data-engine="support"]  { --icon: url("/assets/img/icons/m-support.svg"); }

.orb-dot, .orb {
  --size: 20px;
  position: relative; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  width: var(--size); height: var(--size);
  color: var(--tile-ink);
}
.orb-dot::before, .orb::before {
  content: ""; display: block; width: 100%; height: 100%;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.orb > span { display: none; }
.orb-dot.xs { --size: 16px; }
.orb-dot.sm { --size: 20px; }

/* Karo: orta/büyük ikonlar ve dekoratif "küreler" */
.orb-dot.md, .orb-dot.lg, .orb {
  background: var(--tile-bg);
  border: 1px solid var(--tile-line);
  border-radius: 28%;
}
.orb-dot.md { --size: 38px; }
.orb-dot.lg { --size: 52px; }
.orb-dot.md::before, .orb-dot.lg::before { width: 50%; height: 50%; }

/* Motoru olmayan "küre" = Support AI işareti: zeminsiz, mürekkep rengi */
.orb { --size: 56px; --icon: url("/assets/img/icons/m-support.svg"); background: transparent; border: 0; color: var(--ink); }
.orb::before { width: 100%; height: 100%; }
.orb[data-engine] { background: var(--tile-bg); color: var(--tile-ink); border-color: var(--tile-line); }
.orb-sm { --size: 44px; }
.orb-md { --size: 64px; }
.orb-lg { --size: 88px; }
.orb-xl { --size: clamp(96px, 14vw, 128px); }
.orb.is-speaking, .orb-dot.is-busy { animation: orb-talk 1.6s var(--ease-in-out) infinite; }

@keyframes orb-talk { 0%, 100% { transform: scale(1); } 30% { transform: scale(1.05); } 60% { transform: scale(0.98); } }

.route-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: var(--r-pill);
  background: var(--accent-soft); color: var(--accent-strong);
  font-size: 12px; line-height: 1.2; white-space: nowrap;
}

.src { animation: fade-up 360ms var(--ease-out) both; }
.demo-composer {
  display: flex; align-items: center; gap: 10px;
  border-radius: 22px; border: 1px solid var(--hairline-strong);
  padding: 9px 9px 9px 18px;
}
.demo-placeholder { flex: 1 1 auto; color: var(--ink-3); font-size: 15px; text-align: start; }
.demo-send { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: var(--on-primary); display: inline-flex; align-items: center; justify-content: center; }
.demo-send svg { width: 16px; height: 16px; }

.src {
  display: inline-flex; align-items: center; gap: 7px;
  height: 30px; padding: 0 12px 0 5px; border-radius: var(--r-pill);
  background: var(--surface-raised); border: 1px solid var(--hairline);
  font-size: 12px; color: var(--ink-2); white-space: nowrap;
}
.src .fav { width: 20px; height: 20px; border-radius: 50%; background: var(--surface); display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 600; color: var(--ink); }
.src em { font-style: normal; color: var(--ink-3); }