/* brchukuk.com — tek stil dosyası. Lacivert + pirinç; başlıklar klasik serif (sistem yazı tipleri), gövde Inter. */
@font-face { font-family: "Inter"; src: url("/static/fonts/InterVariable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --navy: #0f2036;
  --navy-2: #1a3150;
  --ink: #16202c;
  --muted: #5b6573;
  --gold: #b08d57;
  --gold-l: #c9a96e;
  --paper: #fbfaf7;
  --sand: #f4f0e8;
  --line: #e5dfd3;
  --white: #fff;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --r: 16px;
  --shadow: 0 1px 2px rgba(15, 32, 54, .04), 0 8px 28px rgba(15, 32, 54, .07);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.65 var(--sans); color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; line-height: 1.15; margin: 0 0 .5em; color: var(--navy); }
h1 { font-size: clamp(38px, 5.6vw, 64px); }
h2 { font-size: clamp(27px, 3.3vw, 38px); }
h3 { font-size: 21px; }
p { margin: 0 0 1em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.eyebrow-light { color: var(--gold-l); }
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 680px; }
.sub { color: var(--muted); font-size: 18px; }
.gold { color: var(--gold-l); }

/* Düğmeler */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 999px; background: var(--navy); color: #fff; text-decoration: none; font-weight: 600; font-size: 16px; border: 1px solid var(--navy); cursor: pointer; font-family: inherit; transition: background .2s, transform .2s; }
.btn:hover { background: var(--navy-2); }
.btn:active { transform: scale(.98); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { background: var(--sand); }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--sand); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost-light:hover { background: rgba(255,255,255,.08); }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.center .ctas { justify-content: center; }

/* Üst çubuk */
.nav { position: sticky; top: 0; z-index: 50; }
.nav::before { content: ""; position: absolute; inset: 0; background: rgba(251, 250, 247, .86); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px); border-bottom: 1px solid var(--line); z-index: -1; }
.nav-in { max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 68px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--navy); }
.mark { width: 34px; height: 34px; flex: none; }
.brand-t { font-family: var(--serif); font-size: 18px; white-space: nowrap; }
.brand-t b { letter-spacing: .06em; }
.links { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.links a:not(.btn) { text-decoration: none; padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--ink); }
.links a:not(.btn):hover { background: var(--sand); }
.links a[aria-current] { color: var(--navy); font-weight: 600; }
.links .btn { margin-left: 10px; }
.menu { display: none; margin-left: auto; }
.menu summary { list-style: none; width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; cursor: pointer; border-radius: 12px; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary span { display: block; width: 20px; height: 1.6px; background: var(--navy); transition: transform .25s; }
.menu[open] summary span:first-child { transform: translateY(3.8px) rotate(45deg); }
.menu[open] summary span:last-child { transform: translateY(-3.8px) rotate(-45deg); }
.mlinks { position: fixed; top: 68px; left: 0; right: 0; bottom: 0; background: var(--paper); padding: 16px 24px 32px; display: flex; flex-direction: column; overflow-y: auto; }
.mlinks a:not(.btn) { font-family: var(--serif); font-size: 26px; color: var(--navy); text-decoration: none; padding: 14px 0; border-bottom: 1px solid var(--line); }
.mlinks .btn { margin-top: 24px; justify-content: center; }

/* Ana sayfa kahramanı */
.hero { background: radial-gradient(1200px 500px at 85% -10%, rgba(201,169,110,.18), transparent 60%), linear-gradient(180deg, var(--navy) 0%, #0b192b 100%); color: #fff; padding: clamp(72px, 11vw, 136px) 0 clamp(64px, 9vw, 112px); margin-top: -68px; padding-top: calc(clamp(72px, 11vw, 136px) + 68px); }
body:has(.hero) .nav::before { background: rgba(15, 32, 54, .72); border-bottom-color: rgba(255,255,255,.08); }
body:has(.hero) .brand, body:has(.hero) .links a:not(.btn) { color: #fff; }
body:has(.hero) .links a:not(.btn):hover { background: rgba(255,255,255,.08); }
body:has(.hero) .links .btn { background: #fff; color: var(--navy); border-color: #fff; }
body:has(.hero) .menu summary span { background: #fff; }
.hero h1 { color: #fff; max-width: 900px; }
.hero .lead { color: rgba(255,255,255,.74); }
.hsearch { display: flex; gap: 8px; max-width: 640px; margin-top: 36px; background: #fff; border-radius: 999px; padding: 6px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.hsearch input { flex: 1; min-width: 0; border: 0; outline: 0; font: inherit; padding: 10px 18px; background: transparent; color: var(--ink); }
.hero-links { margin-top: 18px; font-size: 14px; color: rgba(255,255,255,.6); display: flex; flex-wrap: wrap; gap: 6px 16px; }
.hero-links a { color: rgba(255,255,255,.88); text-decoration: none; border-bottom: 1px solid rgba(201,169,110,.5); }
.hero-links a:hover { color: #fff; border-color: var(--gold-l); }

/* Bölümler */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section.alt { background: var(--sand); }
.head { margin-bottom: 44px; max-width: 760px; }
.head.center { margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 20px; }
.areas { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.area { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px; text-decoration: none; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s, border-color .25s; }
.area:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.area p { color: var(--muted); flex: 1; }
.go { color: var(--gold); font-weight: 600; font-size: 15px; }
.aicon { width: 52px; height: 52px; border-radius: 14px; background: var(--sand); display: grid; place-items: center; margin-bottom: 20px; flex: none; }
.aicon svg, .picon svg, .mini svg { fill: none; stroke: var(--navy); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.aicon svg { width: 28px; height: 28px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.steps li { background: #fff; border-radius: var(--r); padding: 28px; border: 1px solid var(--line); }
.steps span { font-family: var(--serif); color: var(--gold); font-size: 15px; letter-spacing: .1em; }
.steps h3 { margin-top: 10px; }
.steps p { color: var(--muted); margin: 0; font-size: 16px; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.quote { background: var(--navy); color: #fff; border-radius: 22px; padding: 44px; position: relative; }
.quote::before { content: "“"; font-family: var(--serif); font-size: 120px; line-height: 1; color: var(--gold-l); position: absolute; top: 12px; left: 30px; opacity: .5; }
.quote p { font-family: var(--serif); font-size: 24px; line-height: 1.4; margin: 36px 0 20px; }
.quote span { color: var(--gold-l); font-size: 14px; letter-spacing: .04em; }

/* Soru listesi (kütüphane, alan sayfası, ilgili sorular) */
.qlist { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.qrow a { display: grid; gap: 4px; padding: 22px 4px; border-bottom: 1px solid var(--line); text-decoration: none; transition: background .2s; }
.qrow a:hover { background: rgba(255,255,255,.6); }
.qrow a:hover .qt { color: var(--gold); }
.qcat { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.qt { font-family: var(--serif); font-size: 21px; color: var(--navy); line-height: 1.3; transition: color .2s; }
.qa { color: var(--muted); font-size: 15.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.more { margin-top: 26px; }
.more a { color: var(--navy); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--gold); }

/* Alt sayfa başı */
.phero { padding: clamp(40px, 6vw, 72px) 0 clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--sand), var(--paper)); }
.phero-grid { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; }
.picon { width: 200px; height: 200px; border-radius: 40px; background: #fff; border: 1px solid var(--line); display: grid; place-items: center; box-shadow: var(--shadow); }
.picon svg { width: 96px; height: 96px; stroke-width: 1.2; }
.crumbs { font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--navy); }
.crumbs [aria-current] { color: var(--ink); }

/* Alan sayfası */
.summary { font-family: var(--serif); font-size: clamp(21px, 2.4vw, 26px); line-height: 1.5; color: var(--navy); margin-bottom: 56px; }
.feats { grid-template-columns: repeat(3, 1fr); }
.feats-4 { grid-template-columns: repeat(2, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px; }
.card p { color: var(--muted); margin: 0; }
.num { font-family: var(--serif); color: var(--gold); font-size: 15px; letter-spacing: .1em; display: block; margin-bottom: 10px; }
.audience { margin-top: 40px; padding: 28px 32px; border-left: 3px solid var(--gold); background: var(--sand); border-radius: 0 var(--r) var(--r) 0; }
.audience h2 { font-size: 15px; font-family: var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.audience p { margin: 0; font-size: 18px; }
.areas-mini { grid-template-columns: repeat(4, 1fr); }
.mini { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; text-decoration: none; font-weight: 600; color: var(--navy); transition: box-shadow .2s; }
.mini:hover { box-shadow: var(--shadow); }
.mini svg { width: 26px; height: 26px; flex: none; }
.arealist { display: grid; gap: 14px; }
.arow { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); text-decoration: none; transition: box-shadow .25s, transform .25s; }
.arow:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.arow .aicon { margin: 0; }
.arow h2 { font-size: 26px; margin-bottom: 6px; }
.arow p { margin: 0; color: var(--muted); }
.arow .go { font-size: 24px; }

/* Kütüphane */
.lsearch input { width: 100%; font: inherit; font-size: 18px; padding: 16px 22px; border-radius: 14px; border: 1px solid var(--line); background: #fff; margin-top: 18px; box-shadow: var(--shadow); }
.lsearch input:focus { outline: 2px solid var(--gold); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip { font: inherit; font-size: 14px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; cursor: pointer; color: var(--ink); }
.chip small { color: var(--muted); margin-left: 4px; }
.chip.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.chip.on small { color: var(--gold-l); }
.lib { padding-top: 48px; }
.lcat { margin-bottom: 56px; scroll-margin-top: 90px; }
.lcat-h { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 4px 24px; margin-bottom: 8px; }
.lcat-h h2 { margin: 0; font-size: 28px; }
.lcat-h p { grid-column: 1; margin: 0 0 12px; color: var(--muted); }
.lcat-h a { grid-row: 1; grid-column: 2; color: var(--gold); text-decoration: none; font-weight: 600; font-size: 15px; }
.empty { padding: 32px; text-align: center; color: var(--muted); }
.ask { display: flex; justify-content: space-between; align-items: center; gap: 24px; background: var(--navy); color: #fff; border-radius: 20px; padding: 32px 36px; margin: 48px 0 28px; }
.ask h2 { color: #fff; font-size: 24px; margin-bottom: 4px; }
.ask p { margin: 0; color: rgba(255,255,255,.72); font-size: 15.5px; }
.ask .btn { background: #fff; color: var(--navy); border-color: #fff; flex: none; }
.disclaimer { font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; margin-top: 24px; }

/* Makale */
.art { padding: clamp(36px, 5vw, 64px) 0 clamp(56px, 8vw, 96px); }
.art h1 { font-size: clamp(34px, 4.6vw, 52px); }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.answer { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--gold); border-radius: 0 var(--r) var(--r) 0; padding: 26px 30px; margin-bottom: 44px; box-shadow: var(--shadow); }
.answer-l { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; color: var(--gold); margin-bottom: 8px; }
.answer p:last-child { font-family: var(--serif); font-size: 21px; line-height: 1.5; color: var(--navy); margin: 0; }
.prose h2 { font-size: 28px; margin-top: 44px; }
.prose h3 { margin-top: 28px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 1.2em; }
.prose li { margin-bottom: .55em; }
.prose li::marker { color: var(--gold); }
.prose strong { color: var(--navy); }
.prose a { color: var(--navy); text-decoration-color: var(--gold); text-underline-offset: 3px; }
.faq { margin-top: 52px; }
.faq h2 { font-size: 28px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; font-family: var(--serif); font-size: 20px; color: var(--navy); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 16px; font-family: var(--sans); font-size: 26px; font-weight: 300; color: var(--gold); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 12px; }
.related { margin-top: 56px; }
.related h2 { font-size: 24px; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ccard { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 24px; text-decoration: none; display: flex; flex-direction: column; gap: 4px; transition: box-shadow .2s; }
a.ccard:hover { box-shadow: var(--shadow); }
.ccard.wide { grid-column: 1 / -1; }
.ccard b { font-family: var(--serif); font-weight: 600; font-size: 17px; color: var(--navy); overflow-wrap: anywhere; }
.ccard .muted { font-size: 14px; }
.cl { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.mform { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); display: grid; gap: 14px; }
.mform h2 { font-size: 26px; margin: 0 0 4px; }
.mform label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink); }
.mform input, .mform select, .mform textarea { font: inherit; font-weight: 400; font-size: 16px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); }
.mform input:focus, .mform select:focus, .mform textarea:focus { outline: 2px solid var(--gold); border-color: transparent; }
.mform .btn { justify-content: center; margin-top: 6px; }
.fnote { font-size: 13px; color: var(--muted); margin: 0; }

/* Çağrı bandı */
.band { background: var(--navy); color: #fff; }
.band h2 { color: #fff; }
.band p { color: rgba(255,255,255,.72); font-size: 18px; }

/* Alt bölüm */
.foot { background: #0b192b; color: rgba(255,255,255,.7); padding: 64px 0 28px; font-size: 15px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.foot h2 { font-family: var(--sans); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-l); margin-bottom: 14px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: 8px; }
.foot a { text-decoration: none; color: rgba(255,255,255,.82); }
.foot a:hover { color: #fff; }
.foot address { font-style: normal; margin-bottom: 12px; }
.foot .muted { color: rgba(255,255,255,.5); }
.brand-foot { color: #fff; margin-bottom: 16px; }
.foot-tag { max-width: 280px; }
.foot-id { color: var(--gold-l); font-family: var(--serif); font-size: 17px; }
.foot-legal { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,.45); }
.foot-legal p { margin: 0; }

/* Beliren bölümler (betik ve hareket izni varsa) */
.js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.js [data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js [data-reveal] { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* Uyarlanır düzen */
@media (max-width: 1020px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .areas-mini { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .feats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .links { display: none; }
  .menu { display: block; }
  .phero-grid { grid-template-columns: 1fr; }
  .picon { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap, .nav-in { padding: 0 16px; }
  .brand-t { font-size: 16px; }
  .steps, .feats, .feats-4, .areas-mini, .cards, .foot-grid { grid-template-columns: 1fr; }
  .areas { grid-template-columns: 1fr; }
  .hsearch { border-radius: 18px; flex-direction: column; padding: 8px; }
  .hsearch .btn { justify-content: center; }
  .arow { grid-template-columns: 1fr; gap: 14px; padding: 24px; }
  .arow .go { display: none; }
  .lcat-h { grid-template-columns: 1fr; }
  .lcat-h a { grid-row: auto; grid-column: 1; }
  .ask { flex-direction: column; align-items: flex-start; padding: 28px; }
  .quote { padding: 32px 26px; }
  .quote p { font-size: 20px; }
  .mform, .answer { padding: 22px; }
  .foot-legal { flex-direction: column; }
}