/* site.css — caleni.app tasarım sistemi (EV-9A38).
 * Marka renkleri geçici: kimlik belirlenince yalnızca :root değişkenleri
 * değişir. Sistem yazı tipi (dış istek yok), koyu tema tarayıcı tercihinden.
 */
:root {
  --brand: #4338ca;
  --brand-600: #3730a3;
  --brand-50: #eef2ff;
  --accent: #f59e0b;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --card: #ffffff;
  --ok: #15803d;
  --err: #b91c1c;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(15 23 42 / 6%), 0 8px 24px rgb(15 23 42 / 6%);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #818cf8;
    --brand-600: #a5b4fc;
    --brand-50: #1e1b4b;
    --ink: #f1f5f9;
    --text: #cbd5e1;
    --muted: #94a3b8;
    --line: #1e293b;
    --bg: #0b1120;
    --bg-alt: #0f172a;
    --card: #111827;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; height: auto; }
a { color: var(--brand); }
h1, h2, h3, .h3 { color: var(--ink); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 750; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
h3, .h3 { font-size: 1.1rem; font-weight: 650; }
p { margin: 0 0 1em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--brand); color: #fff; padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }
.icon { width: 1.25em; height: 1.25em; flex: none; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
.eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brand); background: var(--brand-50); padding: 4px 10px; border-radius: 999px; }
.hint { font-size: 0.9rem; color: var(--muted); margin-top: 1rem; }

/* Düğmeler */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 10px; padding: 10px 18px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: background 0.15s, border-color 0.15s, transform 0.15s; }
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 13px 22px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-600); }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0b1120; } }
.btn-outline { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn-outline:hover { border-color: var(--brand); }
.btn-ghost { color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--bg-alt); }
.btn-light { background: #fff; color: #312e81; }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); cursor: pointer; text-decoration: underline; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5rem; }

/* Üst menü */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { text-decoration: none; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 750; font-size: 1.2rem; color: var(--ink); }
.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav > a { color: var(--text); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-weight: 500; }
.site-nav > a:hover, .site-nav > a.active { color: var(--ink); background: var(--bg-alt); }
.nav-actions { display: flex; align-items: center; gap: 6px; margin-left: 8px; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px; color: var(--ink); cursor: pointer; }
.lang-switch { position: relative; }
.lang-switch summary { list-style: none; display: flex; align-items: center; gap: 4px; cursor: pointer; padding: 8px; border-radius: 8px; text-transform: uppercase; font-size: 0.85rem; font-weight: 600; color: var(--muted); }
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch ul { position: absolute; right: 0; top: 100%; margin: 4px 0 0; padding: 6px; list-style: none; background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); min-width: 140px; }
.lang-switch a { display: block; padding: 6px 10px; border-radius: 6px; text-decoration: none; color: var(--text); }
.lang-switch a:hover, .lang-switch a.active { background: var(--bg-alt); color: var(--ink); }
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 20px 20px; background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav-open .site-nav { display: flex; }
  .nav-actions { margin: 8px 0 0; flex-wrap: wrap; }
  .nav-actions .btn { flex: 1; }
}

/* Bölümler */
.section { padding: 72px 0; }
.section-tight { padding: 32px 0 56px; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.page-hero { padding: 64px 0 24px; text-align: center; }
.page-hero .actions { justify-content: center; }
.hero-icon { display: inline-flex; padding: 14px; border-radius: 16px; background: var(--brand-50); color: var(--brand); margin-bottom: 12px; }
.hero-icon .icon { width: 28px; height: 28px; }
.crumbs { font-size: 0.9rem; color: var(--muted); margin-bottom: 1rem; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--brand); }
.crumbs span { margin: 0 6px; }

/* Ana sayfa */
.hero { padding: 72px 0 56px; background: radial-gradient(1200px 500px at 85% -10%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-copy h1 { margin-top: 0.6rem; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding-top: 40px; } }

.preview { position: relative; border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: 0 20px 60px rgb(49 46 129 / 18%); overflow: hidden; }
.preview-bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.preview-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.preview-body { display: grid; grid-template-columns: 56px 1fr; min-height: 300px; }
.preview-side { display: flex; flex-direction: column; gap: 12px; padding: 16px 14px; border-right: 1px solid var(--line); background: var(--bg-alt); }
.preview-side i { display: block; height: 10px; border-radius: 5px; background: var(--line); }
.preview-side i.on { background: var(--brand); }
.preview-cal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 16px; background-image: repeating-linear-gradient(to bottom, transparent 0 39px, var(--line) 39px 40px); }
.preview-col { display: flex; flex-direction: column; gap: 10px; }
.preview-head { height: 12px; width: 60%; border-radius: 6px; background: var(--line); margin-bottom: 8px; }
.slot { position: relative; border-radius: 10px; padding: 10px; min-height: 44px; }
.slot::before, .slot::after { content: ""; position: absolute; left: 10px; height: 6px; border-radius: 3px; background: rgb(15 23 42 / 18%); }
.slot::before { top: 12px; width: 55%; }
.slot::after { top: 24px; width: 35%; background: rgb(15 23 42 / 10%); }
.col-a .s1 { background: #e0e7ff; height: 70px; } .col-a .s2 { background: #fef3c7; margin-top: 30px; } .col-a .s3 { background: #dcfce7; height: 56px; }
.col-b .s1 { background: #fce7f3; margin-top: 40px; height: 84px; } .col-b .s2 { background: #e0e7ff; } .col-b .s3 { display: none; }
.col-c .s1 { background: #dcfce7; } .col-c .s2 { background: #e0e7ff; height: 90px; } .col-c .s3 { background: #fef3c7; }
@media (prefers-color-scheme: dark) { .slot { filter: brightness(0.45) saturate(1.4); } }
.preview-toast { position: absolute; right: 16px; bottom: 16px; display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--brand); }
.preview-toast span { display: block; width: 120px; height: 10px; border-radius: 5px; background: var(--line); }

/* Kartlar ve ızgaralar */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.card { position: relative; display: block; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--text); }
.card p { margin: 0; color: var(--muted); }
.card-link { text-decoration: none; transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s; }
.card-link:hover { border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-icon { display: inline-flex; padding: 10px; border-radius: 12px; background: var(--brand-50); color: var(--brand); margin-bottom: 14px; }
.card-wide .checks { margin-top: 14px; }
.badge { display: inline-block; margin-top: 14px; font-size: 0.75rem; font-weight: 650; padding: 3px 9px; border-radius: 999px; background: var(--bg-alt); border: 1px solid var(--line); color: var(--muted); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: none; }
.steps li { padding: 24px; border-radius: var(--radius); border: 1px dashed var(--line); }
.steps p { margin: 0; color: var(--muted); }
.step-no { display: inline-flex; width: 32px; height: 32px; align-items: center; justify-content: center; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 12px; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.checks li { display: flex; gap: 8px; align-items: flex-start; }
.checks .icon { color: var(--ok); margin-top: 3px; }

.faq { display: grid; gap: 10px; margin-top: 24px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: var(--card); }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.faq p { margin: 10px 0 0; color: var(--muted); }

.cta-band { padding: 72px 0; background: linear-gradient(135deg, #312e81, #4338ca 60%, #6366f1); color: #e0e7ff; }
.cta-band h2 { color: #fff; }

/* Ayrıntı sayfası */
.detail-grid { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.detail-side { position: sticky; top: 88px; display: grid; gap: 20px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); }
.plan-list { list-style: none; margin: 0; padding: 16px 0 0; border-top: 1px solid var(--line); display: grid; gap: 10px; font-size: 0.92rem; }
.plan-list li { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.plan-list .badge { margin: 0; white-space: nowrap; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } .detail-side { position: static; } }

.prose { color: var(--text); }
.prose h1 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
.prose h2 { font-size: 1.4rem; margin-top: 1.8em; scroll-margin-top: 88px; }
.prose h3 { margin-top: 1.4em; scroll-margin-top: 88px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 0.25em 0; }
.prose code { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 5px; padding: 0.1em 0.35em; font-size: 0.9em; }
.prose pre { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 10px; padding: 14px; overflow-x: auto; }
.prose pre code { border: 0; padding: 0; background: none; }
.prose img { border-radius: 10px; border: 1px solid var(--line); }
.prose table { border-collapse: collapse; width: 100%; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.prose blockquote { margin: 1em 0; padding: 0.2em 1em; border-left: 3px solid var(--brand); color: var(--muted); }

/* Fiyatlar */
.pricing-tools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.period-toggle { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--bg-alt); border: 1px solid var(--line); }
.period-toggle button { border: 0; background: none; padding: 8px 16px; border-radius: 9px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; }
.period-toggle button.active { background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.country-form label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.9rem; }
.country-form select, .form input, .form select, .form textarea { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.notice { padding: 12px 16px; border-radius: 12px; background: var(--brand-50); color: var(--ink); font-size: 0.95rem; }
.price-grid { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); margin: 24px 0 16px; align-items: stretch; }
.price-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.price-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .price-grid, .price-grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .price-grid, .price-grid.cols-2, .price-grid.cols-4 { grid-template-columns: 1fr; } }
.price-card { position: relative; display: flex; flex-direction: column; gap: 16px; padding: 28px 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
.price-card.recommended { border: 2px solid var(--brand); box-shadow: 0 16px 40px rgb(67 56 202 / 16%); }
.ribbon { position: absolute; top: -12px; left: 24px; padding: 3px 12px; border-radius: 999px; background: var(--brand); color: #fff; font-size: 0.75rem; font-weight: 700; }
.price-card h2 { font-size: 1.3rem; margin: 0; }
.price strong { font-size: 2rem; color: var(--ink); letter-spacing: -0.02em; }
.limits { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 0.93rem; }
.limits li { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dashed var(--line); padding-bottom: 6px; }
.limits strong { color: var(--ink); }
.plus-previous { margin: 0; font-size: 0.85rem; font-weight: 650; color: var(--muted); }
.price-card .checks { font-size: 0.93rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.compare { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.compare th, .compare td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: center; }
.compare th[scope="row"], .compare thead th:first-child { text-align: left; font-weight: 500; color: var(--text); }
.compare thead th { color: var(--ink); font-weight: 700; background: var(--bg-alt); }
.compare .yes { color: var(--ok); }
.compare .no { color: var(--line); }
.addons { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; }
.addons li { display: flex; justify-content: space-between; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }

/* Formlar */
.contact-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.contact-side { display: grid; gap: 16px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 550; color: var(--ink); font-size: 0.95rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid color-mix(in srgb, var(--brand) 45%, transparent); border-color: var(--brand); }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--text); }
.form .check input { margin-top: 4px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 12px 16px; border-radius: 12px; font-weight: 550; }
.alert-ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }
.alert-err { background: color-mix(in srgb, var(--err) 12%, transparent); color: var(--err); }
.link-list { list-style: none; padding: 0; display: grid; gap: 10px; }
.link-list a { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); font-weight: 600; }
.link-list a:hover { border-color: var(--brand); }
.big-code { font-size: 5rem; font-weight: 800; color: var(--brand-50); margin: 0; -webkit-text-stroke: 2px var(--brand); }

/* Kılavuz */
.docs { display: grid; grid-template-columns: 260px 1fr; gap: 40px; padding-top: 40px; padding-bottom: 72px; align-items: start; }
.docs-nav { position: sticky; top: 88px; display: grid; gap: 14px; max-height: calc(100vh - 110px); overflow-y: auto; }
.docs-nav nav { display: grid; gap: 2px; }
.docs-nav nav a { text-decoration: none; color: var(--text); padding: 6px 10px; border-radius: 8px; font-size: 0.94rem; }
.docs-nav nav a:hover { background: var(--bg-alt); }
.docs-nav nav a.active { background: var(--brand-50); color: var(--brand); font-weight: 600; }
.docs-nav .depth-1 { padding-left: 22px; } .docs-nav .depth-2 { padding-left: 34px; } .docs-nav .depth-3 { padding-left: 46px; }
.docs-search { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; background: var(--card); color: var(--muted); }
.docs-search input { border: 0; background: none; padding: 9px 0; font: inherit; color: var(--ink); width: 100%; outline: none; }
.docs-main { min-width: 0; }
.docs-menu > summary { display: none; }
.docs-cards { margin-top: 24px; }
.toc { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-alt); margin: 0 0 24px; font-size: 0.92rem; }
.toc a { text-decoration: none; color: var(--text); }
.toc a:hover { color: var(--brand); }
.toc .toc-1 { padding-left: 14px; }
.search-hits { list-style: none; padding: 0; display: grid; gap: 14px; }
.search-hits a { font-weight: 650; font-size: 1.05rem; }
.search-hits p { margin: 4px 0 0; color: var(--muted); }
.search-hits mark { background: color-mix(in srgb, var(--accent) 35%, transparent); color: inherit; border-radius: 3px; }
@media (max-width: 900px) {
  .docs { grid-template-columns: 1fr; gap: 24px; }
  .docs-nav { position: static; max-height: none; }
  .docs-menu { border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
  .docs-menu > summary { display: list-item; cursor: pointer; padding: 10px 14px; font-weight: 600; color: var(--ink); }
  .docs-menu[open] > summary { border-bottom: 1px solid var(--line); }
  .docs-menu > nav { padding: 6px; }
}

/* Alt bilgi */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 24px; background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.footer-grid h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-grid a { color: var(--text); text-decoration: none; }
.footer-grid a:hover { color: var(--brand); }
.footer-brand p { color: var(--muted); margin-top: 12px; max-width: 280px; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 0.875rem; color: var(--muted); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

/* Çerez onayı */
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 40; max-width: 720px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 16px 18px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); box-shadow: 0 20px 60px rgb(15 23 42 / 25%); }
.consent[hidden] { display: none; }
.consent p { margin: 0; flex: 1 1 320px; font-size: 0.92rem; }
.consent-actions { display: flex; gap: 8px; }