/* ==========================================================================
   Kurumsal site tasarım sistemi
   Marka renklerini yalnızca :root içindeki --brand / --accent / --navy değişkenlerinden değiştirin.
   Satır içi (inline) style kullanılmaz; CSP buna göre ayarlıdır.
   ========================================================================== */

:root {
  --brand: #2563eb;
  --brand-strong: #1d4ed8;
  --brand-soft: #e8efff;
  --accent: #14b8a6;
  --navy: #0b1b33;
  --navy-2: #12264a;

  --text: #0f1b2d;
  --text-muted: #51607a;
  --text-on-dark: #e8eef8;
  --text-on-dark-muted: #a9b6cc;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --border: #e2e8f0;
  --border-dark: rgba(255, 255, 255, 0.12);
  --danger: #c62828;
  --success: #0f9d58;

  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(15, 27, 45, 0.06), 0 1px 3px rgba(15, 27, 45, 0.08);
  --shadow: 0 10px 30px -12px rgba(15, 27, 45, 0.25);
  --header-h: 72px;
  --container: 1180px;
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg, video, iframe { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-strong); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.6em; letter-spacing: -0.015em; color: inherit; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; letter-spacing: -0.025em; }
h2, .h2 { font-size: clamp(1.65rem, 3vw, 2.4rem); font-weight: 750; }
h3, .h3 { font-size: 1.2rem; font-weight: 700; }
.h4 { font-size: 1rem; font-weight: 700; margin: 0 0 0.2em; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
address { font-style: normal; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--brand); color: #fff; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: #fff; color: var(--navy); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 12px; }

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  width: 1.25em; height: 1.25em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  vertical-align: -0.2em;
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  padding: 0.8em 1.35em; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 650; font-size: 1rem; line-height: 1.2; text-decoration: none;
  cursor: pointer; transition: background-color .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 0.55em 1.05em; font-size: 0.94rem; }
.btn-lg { padding: 0.95em 1.6em; font-size: 1.05rem; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px -8px rgba(37, 99, 235, .6); }
.btn-primary:hover { background: var(--brand-strong); color: #fff; }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .22); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.btn-outline { background: transparent; color: var(--brand); border-color: currentColor; }
.btn-outline:hover { background: var(--brand-soft); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--brand-soft); color: var(--navy); }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Üst menü ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 27, 51, .92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border-dark);
  color: var(--text-on-dark);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.brand img { width: 36px; height: 36px; }
.brand-name { font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; }
.brand .brand-wide { width: auto; height: 34px; }
.footer-brand .brand .brand-wide { height: 32px; }
.brand:hover { color: inherit; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.site-nav ul a {
  display: block; padding: 8px 12px; border-radius: var(--radius-sm);
  color: var(--text-on-dark-muted); text-decoration: none; font-weight: 550; font-size: .98rem;
}
.site-nav ul a:hover, .site-nav ul a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, .07); }

.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: #fff; cursor: pointer; border-radius: var(--radius-sm); }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  display: block; width: 22px; height: 2px; margin: 0 auto; background: currentColor; border-radius: 2px;
  position: relative; transition: transform .25s, background-color .25s;
}
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 16px;
    padding: 16px 20px 24px; background: var(--navy);
    border-bottom: 1px solid var(--border-dark); box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav ul { flex-direction: column; }
  .site-nav ul a { padding: 12px; font-size: 1.05rem; }
  .site-nav .btn { width: 100%; }
}

/* ---------- Hero ve sayfa başlığı ---------- */
.hero, .page-header {
  position: relative; overflow: hidden; isolation: isolate;
  color: var(--text-on-dark);
  background:
    radial-gradient(60% 80% at 85% 10%, rgba(37, 99, 235, .45), transparent 60%),
    radial-gradient(50% 60% at 10% 100%, rgba(20, 184, 166, .25), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
}
.hero::before, .page-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding: 96px 20px 104px; }
.hero-inner:has(> :only-child) { grid-template-columns: minmax(0, 760px); }
.hero h1 { color: #fff; }
.hero .lead, .page-header .lead { color: var(--text-on-dark-muted); font-size: 1.18rem; max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-copy { animation: rise .7s ease-out both; }
.text-gradient {
  background: linear-gradient(90deg, #6aa2ff, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.eyebrow {
  display: inline-block; margin: 0 0 14px; font-size: .82rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand);
}
.eyebrow--light { color: #8fb6ff; }

.page-header .container { padding-top: 56px; padding-bottom: 56px; }
.page-header h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: .35em; }
.page-header .lead { margin: 0; }

.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0 0 18px; padding: 0; font-size: .92rem; color: var(--text-on-dark-muted); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; opacity: .5; }
.breadcrumb a { color: var(--text-on-dark-muted); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb [aria-current] { color: #fff; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 64px 20px 72px; gap: 40px; }
}

/* ---------- Bölümler ---------- */
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--navy); color: var(--text-on-dark); }
.section--dark p { color: var(--text-on-dark-muted); }
.section--dark .eyebrow--light { color: #8fb6ff; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head p:last-child { color: var(--text-muted); font-size: 1.1rem; margin: 0; }
.section-head--left { margin-left: 0; text-align: left; }
@media (max-width: 700px) { .section { padding: 64px 0; } .section-head { margin-bottom: 36px; } }

/* ---------- Kartlar ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cfdaf0; }
.card p { color: var(--text-muted); margin: 0; }
.card-icon {
  display: inline-grid; place-items: center; width: 48px; height: 48px; margin-bottom: 18px;
  border-radius: 12px; background: var(--brand-soft); color: var(--brand); font-size: 1.15rem;
}

/* ---------- Adımlar ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.step { position: relative; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.step p { color: var(--text-muted); margin: 0; }
.step-num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; margin-bottom: 16px;
  border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; font-weight: 800;
}
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

/* ---------- SSS ---------- */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; cursor: pointer; font-weight: 650; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { color: var(--text-muted); transition: transform .2s; }
.faq details[open] summary .icon { transform: rotate(180deg); }
.faq details p { padding: 0 24px 20px; margin: 0; color: var(--text-muted); }

/* ---------- İçerik / metin ---------- */
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.prose h2 { font-size: 1.5rem; margin-top: 1.6em; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: #334155; }
.value-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.value-list li { display: flex; gap: 16px; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.value-list .icon { color: var(--brand); width: 28px; height: 28px; }
.value-list h3 { margin: 0 0 .2em; font-size: 1.05rem; }
.value-list p { margin: 0; color: var(--text-muted); }

/* ---------- Son çağrı (CTA) ---------- */
.cta { padding: 0 0 88px; }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding: 48px; border-radius: var(--radius-lg); color: #fff;
  background: linear-gradient(120deg, var(--brand-strong), var(--brand) 45%, var(--accent));
  box-shadow: var(--shadow);
}
.section + .cta, .section--soft + .cta { padding-top: 0; }
.cta h2 { margin: 0 0 .25em; color: #fff; }
.cta p { margin: 0; color: rgba(255, 255, 255, .85); }
.cta p + p { margin-top: .5em; font-size: .95rem; }
.cta p a { color: #fff; font-weight: 650; }
@media (max-width: 700px) { .cta-inner { padding: 32px 24px; } .cta-inner .btn { width: 100%; } }

/* ---------- İletişim ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; }
.contact-layout:has(> :only-child) { grid-template-columns: minmax(0, 760px); }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
.info-list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 14px; }
.info-list li { display: flex; gap: 16px; align-items: center; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); }
.info-list .card-icon { margin: 0; }
.info-list p, .info-list address { margin: 0; color: var(--text-muted); }
.info-list a { font-weight: 600; text-decoration: none; }
.map { width: 100%; height: 320px; border: 0; border-radius: var(--radius); }

/* ---------- Form ---------- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .95rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 1rem; color: var(--text);
  background: #fff; border: 1px solid #cbd5e1; border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(37, 99, 235, .15); }
.field .input-validation-error { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .9rem; }
.field-error:empty { display: none; }
.field-check { display: flex; gap: 10px; align-items: flex-start; }
.field-check input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--brand); }
.field-check label { font-weight: 400; color: var(--text-muted); }
.field-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 14px 16px; border-radius: var(--radius-sm); }
.alert-error { background: #fdecec; color: var(--danger); }
.alert-error.validation-summary-valid { display: none; }
.alert ul { margin: 0; padding-left: 1.1em; }

/* ---------- Hata / teşekkür sayfaları ---------- */
.error-page { text-align: center; padding: 120px 0; }
.error-page .hero-actions { justify-content: center; }
.error-page .lead { color: var(--text-muted); }
.error-code {
  font-size: clamp(4rem, 12vw, 7rem); font-weight: 900; line-height: 1; margin: 0 0 12px;
  background: linear-gradient(90deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.success-icon { display: inline-grid; place-items: center; width: 72px; height: 72px; margin-bottom: 20px; border-radius: 50%; background: #e7f6ee; color: var(--success); font-size: 2rem; }

/* ---------- Alt bilgi ---------- */
.site-footer { background: var(--navy); color: var(--text-on-dark-muted); padding-top: 64px; font-size: .97rem; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { max-width: 36ch; }
.footer-col h2 { font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--text-on-dark-muted); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.contact-list li { display: flex; gap: 10px; align-items: flex-start; }
.contact-list .icon { margin-top: .2em; color: #8fb6ff; }
.social { display: flex; gap: 8px; list-style: none; margin: 16px 0 0; padding: 0; }
.social a { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border-dark); }
.social a:hover { background: rgba(255, 255, 255, .08); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; padding-bottom: 32px; border-top: 1px solid var(--border-dark); font-size: .9rem; }
.footer-bottom p { margin: 0; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; margin: 0; padding: 0; }
.footer-bottom .credit a { color: var(--text-on-dark); font-weight: 600; }
@media (max-width: 800px) { .footer-inner { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Çerez bandı ---------- */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; max-width: 720px; margin: 0 auto;
  display: flex; align-items: center; gap: 20px; padding: 18px 20px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; font-size: .95rem; color: var(--text-muted); }
.cookie-actions { display: flex; gap: 8px; flex: none; }
@media (max-width: 640px) { .cookie-banner { flex-direction: column; align-items: stretch; } .cookie-actions .btn { flex: 1; } }

/* ---------- Hareket ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ==========================================================================
   Uzaera'ya özel bileşenler
   ========================================================================== */

.section-more { text-align: center; margin: 36px 0 0; }
.link-more { display: inline-flex; align-items: center; gap: .4em; font-weight: 650; text-decoration: none; }
.link-more .icon { transition: transform .2s; }
.link-more:hover .icon { transform: translateX(3px); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .card-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid--3 { grid-template-columns: 1fr; } }

/* ---------- Hero ---------- */
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; margin: 28px 0 0; padding: 0; color: var(--text-on-dark-muted); font-size: .95rem; }
.hero-meta li { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta .icon { color: var(--accent); }
.hero-meta a { color: inherit; text-underline-offset: 3px; }
.hero-meta a:hover { color: #fff; }

.hero-shot { margin: 0; }
.hero-shot img { width: 100%; height: auto; border-radius: 12px; box-shadow: 0 30px 70px -24px rgba(0, 0, 0, .65), 0 0 0 1px rgba(255, 255, 255, .1); }

/* ---------- Ekran görüntüleri ---------- */
.shot { margin: 0; }
.shot img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow); background: #fff; }
.shot figcaption { margin-top: 12px; font-size: .92rem; color: var(--text-muted); text-align: center; }
.shot--wide { max-width: 1000px; margin: 0 auto 48px; }
.shot--wide img { border: 0; }
.feature-row.feature-row--media { display: grid; grid-template-columns: auto minmax(0, 1fr) 280px; gap: 24px; align-items: center; }
.feature-row--media .shot img { box-shadow: var(--shadow-sm); }
@media (max-width: 800px) { .feature-row.feature-row--media { grid-template-columns: 1fr; } .feature-row--media .shot { max-width: 360px; } }

/* ---------- Öne çıkanlar şeridi ---------- */
.highlights { background: var(--bg); border-bottom: 1px solid var(--border); }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; margin: 0; padding: 0; }
.highlight-grid li { display: grid; gap: 2px; padding: 28px 20px; text-align: center; }
.highlight-grid li + li { border-left: 1px solid var(--border); }
.highlight-grid strong { font-size: 1.45rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.highlight-grid span { color: var(--text-muted); font-size: .95rem; }
@media (max-width: 700px) {
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-grid li:nth-child(3) { border-left: 0; }
  .highlight-grid li:nth-child(n+3) { border-top: 1px solid var(--border); }
}

/* ---------- Güvenlik ---------- */
.security { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: center; }
.security h2, .section--dark h2 { color: #fff; }
.section--dark .btn-ghost { margin-top: 8px; }
.checklist { list-style: none; margin: 24px 0; padding: 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-on-dark-muted); }
.checklist .icon { flex: none; margin-top: .2em; padding: 3px; width: 22px; height: 22px; border-radius: 50%; background: rgba(20, 184, 166, .18); color: var(--accent); }
.checklist strong { color: #fff; }
.checklist a { color: #8fb6ff; }
.tip-card { padding: 28px; border-radius: var(--radius-lg); background: rgba(255, 255, 255, .05); border: 1px solid var(--border-dark); }
.tip-card h3 { color: #fff; }
.tip-card p { margin: 0; }
.tip-icon { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 12px; background: rgba(251, 191, 36, .15); color: #fbbf24; font-size: 1.2rem; }
@media (max-width: 900px) { .security { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Teknik bilgiler ---------- */
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; }
.spec-list > div { padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.spec-list dt { font-size: .85rem; color: var(--text-muted); }
.spec-list dd { margin: 2px 0 0; font-weight: 700; }
.spec-list--wide { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 800px) { .spec-list--wide { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .spec-list { grid-template-columns: 1fr; } }

/* ---------- Özellik satırları ---------- */
.feature-rows { display: grid; gap: 20px; max-width: 900px; }
.feature-row { display: flex; gap: 24px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.feature-row h2 { font-size: 1.35rem; margin-bottom: .4em; }
.feature-row p { margin: 0; color: var(--text-muted); }
.feature-row-icon { display: inline-grid; place-items: center; width: 56px; height: 56px; flex: none; border-radius: 14px; background: var(--brand-soft); color: var(--brand); font-size: 1.35rem; }
@media (max-width: 600px) { .feature-row { flex-direction: column; gap: 16px; padding: 22px; } }

/* ---------- Kullanım rehberi ---------- */
.guide { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.guide-col { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.guide-col h3 { display: flex; align-items: center; gap: 12px; }
.guide-col ol { margin: 0; padding-left: 1.2em; display: grid; gap: 10px; color: #334155; }
.guide-badge { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; font-size: .9rem; }
@media (max-width: 800px) { .guide { grid-template-columns: 1fr; } }

/* ---------- İndirme sayfası ---------- */
.download { display: grid; grid-template-columns: minmax(0, 420px) 1fr; gap: 48px; align-items: start; }
.download-card {
  display: grid; justify-items: center; gap: 6px; padding: 40px 32px; text-align: center;
  border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg); box-shadow: var(--shadow);
}
.download-card img { width: 72px; height: 72px; margin-bottom: 8px; }
.download-card h2 { margin: 0; }
.download-sub { color: var(--text-muted); margin-bottom: 16px; }
.download-card .btn { width: 100%; }
.download-meta { display: grid; gap: 8px; list-style: none; margin: 18px 0 0; padding: 0; color: var(--text-muted); font-size: .95rem; }
.download-meta li { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.download-meta .icon { color: var(--brand); }
.download-info h2 { margin-top: 0; }
.download-info h2 + .numbered, .download-info .spec-list { margin-bottom: 28px; }
.download-info * + h2 { margin-top: 28px; }
.numbered { padding-left: 1.2em; display: grid; gap: 8px; color: #334155; }
.download-soon { margin: 14px 0 0; color: var(--text-muted); font-size: .95rem; }
.btn-disabled { background: var(--bg-soft); color: var(--text-muted); border-color: var(--border); cursor: not-allowed; }
.btn-disabled:hover { transform: none; }
.spec-list .spec-list-full { grid-column: 1 / -1; }
.hash { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85rem; font-weight: 600; word-break: break-all; }
.notice { display: flex; gap: 12px; padding: 16px 18px; border-radius: var(--radius); background: #fff8e6; color: #7a5300; }
.notice .icon { flex: none; margin-top: .15em; }
.notice a { color: inherit; font-weight: 650; }
.notice--info { background: var(--brand-soft); color: var(--navy); }
.notice--info .icon { color: var(--brand); }
/* SHA-256 doğrulama adımları (indirme sayfası, "Dosya bilgileri" altında) */
.hash-help { margin: -12px 0 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.hash-help summary { padding: 14px 18px; cursor: pointer; font-weight: 650; color: var(--brand); }
.hash-help summary:hover { color: var(--brand-strong); }
.hash-help[open] summary { border-bottom: 1px solid var(--border); }
.hash-help-body { padding: 16px 18px 6px; font-size: .95rem; color: #334155; }
.hash-help-body .numbered { margin: 0 0 12px; }
.command {
  display: block; margin-top: 6px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--navy); color: var(--text-on-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .82rem; line-height: 1.5; overflow-wrap: anywhere; user-select: all;
}
@media (max-width: 900px) { .download { grid-template-columns: 1fr; } }

.app-banner {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 24px; align-items: center; max-width: 900px; margin: 0 auto;
  padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg); box-shadow: var(--shadow-sm);
}
.app-banner h2 { font-size: 1.35rem; margin-bottom: .3em; }
.app-banner p { margin: 0; color: var(--text-muted); }
@media (max-width: 700px) { .app-banner { grid-template-columns: 1fr; gap: 16px; } .app-banner .btn { width: 100%; } }

/* ---------- Android ---------- */
.showcase { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.showcase + .showcase { margin-top: 72px; }
.showcase h3 { font-size: 1.45rem; margin-bottom: .5em; }
.showcase p { color: #334155; }
.showcase-cards { margin-top: 72px; }
.ticks { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 10px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; color: #334155; }
.ticks .icon { flex: none; margin-top: .2em; color: var(--accent); }
.phone-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; width: 100%; max-width: 460px; margin: 0 auto; }
.phone-shots--single { grid-template-columns: 1fr; max-width: 250px; }
.phone-shot { margin: 0; }
.phone-shot img { width: 100%; height: auto; border-radius: 26px; border: 6px solid var(--navy); background: #f3f5f7; box-shadow: var(--shadow); }
.phone-shots:not(.phone-shots--single) .phone-shot:nth-child(2) { margin-top: 56px; }
.phone-shot figcaption { margin-top: 10px; font-size: .9rem; color: var(--text-muted); text-align: center; }
.media-stack { position: relative; padding-bottom: 64px; }
.shot-notification { position: absolute; right: 0; bottom: 0; width: 64%; margin: 0; }
.shot-notification img { display: block; width: 100%; height: auto; border-radius: 26px; box-shadow: 0 20px 44px -14px rgba(11, 27, 51, .45), 0 0 0 1px rgba(11, 27, 51, .06); }
.app-promo { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 64px; align-items: center; max-width: 960px; }
@media (max-width: 900px) {
  .showcase { grid-template-columns: 1fr; gap: 32px; }
  .app-promo { grid-template-columns: 1fr; gap: 32px; }
  .media-stack { padding-bottom: 0; }
  .shot-notification { position: static; width: 100%; max-width: 420px; margin: 16px auto 0; }
}

.faq-more { margin: 28px 0 0; text-align: center; color: var(--text-muted); }

.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .card-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .card-grid--4 { grid-template-columns: 1fr; } }

/* ---------- Alternatif sayfası ---------- */
.fact-table { margin: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg); }
.fact-table > div { display: grid; grid-template-columns: 42% 1fr; gap: 16px; padding: 14px 20px; }
.fact-table > div + div { border-top: 1px solid var(--border); }
.fact-table > div:nth-child(odd) { background: var(--bg-soft); }
.fact-table dt { color: var(--text-muted); font-size: .95rem; }
.fact-table dd { margin: 0; font-weight: 650; }
@media (max-width: 480px) { .fact-table > div { grid-template-columns: 1fr; gap: 2px; } }
.trademark-note { margin: 28px 0 0; font-size: .88rem; color: var(--text-muted); text-align: center; }

.footer-slogan { color: #fff; font-weight: 600; }
.badge { display: inline-block; vertical-align: middle; margin-left: 8px; padding: 2px 10px; border-radius: 999px; background: #fff4e0; color: #8a5300; font-size: .75rem; font-weight: 700; letter-spacing: .02em; }
.shot--after { margin-top: 48px; margin-bottom: 0; }
