/* ==========================================================================
   BETON Mimarlık + Yapı — brütalist. Tek fikir: KALIP İZİ.
   Kalıp bağlantı delikleri (nokta ızgarası), tahta kalıp dokusu, şantiye şablon yazısı (Bespoke Stencil), mavi damgalar,
   kalın siyah çizgiler. Açık beton zemin, mürekkep siyahı, elektrik mavisi (--blue). Metin Public Sans.
   ========================================================================== */
@font-face { font-family: 'Bespoke Stencil'; src: url('../fonts/bespoke-stencil-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Bespoke Stencil'; src: url('../fonts/bespoke-stencil-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Bespoke Stencil'; src: url('../fonts/bespoke-stencil-800.woff2') format('woff2'); font-weight: 800; font-display: swap; }
@font-face { font-family: 'Public Sans'; src: url('../fonts/public-sans-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Public Sans'; src: url('../fonts/public-sans-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Public Sans'; src: url('../fonts/public-sans-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Public Sans'; src: url('../fonts/public-sans-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Public Sans'; src: url('../fonts/public-sans-800.woff2') format('woff2'); font-weight: 800; font-display: swap; }

:root {
  --paper: #e4e3df; --paper-2: #d4d3ce; --white: #f4f3ef; --ink: #121212; --ink-2: #2a2a29; --fg: var(--ink); --fg-2: #3c3c3a; --fg-3: #6c6b67;
  --line: rgba(18, 18, 18, .16); --line-2: rgba(18, 18, 18, .32); --blue: #1f3cff; --blue-d: #1530d6; --wall: #2b2b29;
  --bg: var(--paper); --accent: var(--blue); --btn-bg: var(--blue); --btn-fg: #fff; --btn-bg-h: var(--blue-d); --ok: #1d7a46; --err: #c6281b;
  --f-head: 'Bespoke Stencil', 'Arial Black', Arial, sans-serif; --f-body: 'Public Sans', 'Helvetica Neue', Arial, sans-serif;
  --gut: clamp(18px, 3vw, 48px); --max: 1600px; --head: 78px; --ease: cubic-bezier(.7, 0, .2, 1); --ease-o: cubic-bezier(.2, .7, .1, 1);
  --holes: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, .55) 0 3px, rgba(255, 255, 255, .12) 3.5px 4.5px, transparent 5px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--head) + 16px); }
html.no-scroll { overflow: hidden; }
body { margin: 0; background: var(--paper); color: var(--fg); font: 400 17px/1.6 var(--f-body); -webkit-font-smoothing: antialiased; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--f-head); font-weight: 800; text-transform: uppercase; letter-spacing: -.005em; line-height: .9; margin: 0; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 200; background: var(--blue); color: #fff; padding: 10px 16px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
::selection { background: var(--blue); color: #fff; }
.muted, .small, .bt-muted { color: var(--fg-3); }
.small { font-size: 14px; }

.bt-wrap, .wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }
.bt-wrap--md { max-width: 1060px; }
.bt-h1 { font-size: clamp(54px, 11vw, 196px); line-height: .84; }
.bt-h2 { font-size: clamp(38px, 5.6vw, 96px); line-height: .88; }
.bt-lead { font: 400 clamp(17px, 1.4vw, 21px)/1.55 var(--f-body); color: var(--fg-2); max-width: 38em; }
.bt-mb { margin-bottom: clamp(32px, 4vw, 64px); }
.bt-ico { width: 18px; height: 18px; flex: none; }
.bt-sec { padding: clamp(72px, 9vw, 140px) 0; }
.bt-sec--top0 { padding-top: 0; }
.bt-sec--tint { background: var(--paper-2); }

/* Kalıp deliği (madde imi) ve damga */
.bt-hole { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: radial-gradient(circle at 45% 40%, #0d0d0d 0 45%, #4a4a48 46% 60%, transparent 62%); box-shadow: 0 0 0 1px rgba(0, 0, 0, .15); flex: none; }
.bt-stamp { display: inline-flex; align-items: center; padding: 6px 10px 5px; border: 2px solid currentColor; color: var(--blue); font: 700 13px/1 var(--f-head); letter-spacing: .1em; text-transform: uppercase; transform: rotate(-2deg); background: rgba(244, 243, 239, .9); }

/* Butonlar */
.bt-btn { display: inline-flex; align-items: center; gap: 12px; height: 58px; padding: 0 26px; background: var(--blue); color: #fff; border: 2px solid var(--blue); font: 700 15px var(--f-body); letter-spacing: .04em; text-transform: uppercase; box-shadow: 6px 6px 0 var(--ink); transition: transform .2s, box-shadow .2s, background .2s; }
.bt-btn:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--ink); background: var(--blue-d); }
.bt-btn:active { transform: translate(6px, 6px); box-shadow: 0 0 0 var(--ink); }
.bt-btn--sm { height: 44px; padding: 0 18px; font-size: 13px; box-shadow: 4px 4px 0 var(--ink); }
.bt-btn--ink { background: var(--ink); border-color: var(--ink); box-shadow: 6px 6px 0 #fff; }
.bt-btn--ink:hover { background: #000; box-shadow: 3px 3px 0 #fff; }
.bt-link { display: inline-flex; align-items: center; gap: 10px; font: 700 14px var(--f-body); letter-spacing: .06em; text-transform: uppercase; padding: 6px 0; border-bottom: 3px solid var(--ink); transition: border-color .2s, color .2s; }
.bt-link:hover { color: var(--blue); border-color: var(--blue); }
.bt-link .bt-ico { transition: transform .3s var(--ease-o); }
.bt-link:hover .bt-ico { transform: translateX(5px); }

/* ── Üst bölüm ───────────────────────────────────────────────────────── */
.bt-head { position: sticky; top: 0; z-index: 60; background: var(--paper); border-bottom: 3px solid var(--ink); transition: height .3s; }
.bt-head__in { display: flex; align-items: center; gap: 24px; height: var(--head); transition: height .3s; }
.bt-head.is-small .bt-head__in { height: 62px; }
.bt-logo { display: inline-flex; align-items: baseline; gap: 10px; flex: none; }
.bt-logo img { max-height: 40px; width: auto; }
.bt-logo__w { font: 800 34px/1 var(--f-head); letter-spacing: .02em; }
.bt-logo__s { font: 700 11px var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); }
.bt-nav { display: flex; margin-left: auto; height: 100%; }
.bt-nav > a, .bt-nav__dd > button { display: inline-flex; align-items: center; height: 100%; padding: 0 18px; border-left: 1px solid var(--line); font: 700 13.5px var(--f-body); letter-spacing: .06em; text-transform: uppercase; background: none; border-top: 0; border-right: 0; border-bottom: 0; transition: background .2s, color .2s; }
.bt-nav > a:last-child { border-right: 1px solid var(--line); }
.bt-nav > a:hover { background: var(--ink); color: var(--paper); }
.bt-nav > a[aria-current="page"], .bt-nav > a.is-current { background: var(--blue); color: #fff; }
.bt-nav__dd { position: relative; }
.bt-nav__dd ul { position: absolute; top: 100%; left: 0; min-width: 220px; margin: 0; padding: 0; list-style: none; background: var(--white); border: 3px solid var(--ink); opacity: 0; visibility: hidden; }
.bt-nav__dd button[aria-expanded="true"] + ul { opacity: 1; visibility: visible; }
.bt-nav__dd ul a { display: block; padding: 10px 16px; font-weight: 600; }
.bt-head__tools { display: flex; align-items: center; gap: 16px; }
.bt-lang { display: flex; gap: 2px; font: 700 12px var(--f-body); }
.bt-lang a { padding: 6px; color: var(--fg-3); }
.bt-lang a[aria-current="true"], .bt-lang a.is-current, .bt-lang a:hover { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; }
.bt-burger { display: none; width: 48px; height: 48px; border: 2px solid var(--ink); background: var(--white); position: relative; }
.bt-burger i { position: absolute; left: 11px; right: 11px; height: 3px; background: var(--ink); }
.bt-burger i:nth-child(1) { top: 13px; } .bt-burger i:nth-child(2) { top: 21px; } .bt-burger i:nth-child(3) { top: 29px; }
.drawer { position: fixed; inset: 0; z-index: 90; visibility: hidden; }
.drawer.is-open { visibility: visible; }
.drawer::before { content: ''; position: absolute; inset: 0; background: rgba(18, 18, 18, .6); opacity: 0; transition: opacity .3s; }
.drawer.is-open::before { opacity: 1; }
.drawer__panel { position: absolute; inset: 0 0 0 auto; width: min(520px, 100%); background: var(--paper); border-left: 3px solid var(--ink); display: flex; flex-direction: column; padding: 16px var(--gut) 28px; transform: translateX(100%); transition: transform .45s var(--ease); overflow-y: auto; }
.drawer.is-open .drawer__panel { transform: none; }
.bt-drawer__top { display: flex; justify-content: space-between; align-items: center; height: 56px; }
.bt-x { width: 48px; height: 48px; border: 2px solid var(--ink); background: var(--white); display: grid; place-items: center; }
.bt-drawer__nav { display: flex; flex-direction: column; margin: 28px 0; border-top: 3px solid var(--ink); }
.bt-drawer__nav a { font: 800 clamp(34px, 9vw, 52px)/1 var(--f-head); text-transform: uppercase; padding: 14px 0; border-bottom: 1px solid var(--line-2); }
.bt-drawer__nav a[aria-current="page"] { color: var(--blue); }
.bt-drawer__foot { margin-top: auto; display: grid; gap: 14px; font-weight: 700; }

/* ── Açılış: kalıp şeritli slider ────────────────────────────────────── */
.bt-hero { position: relative; height: calc(100svh - var(--head)); min-height: 600px; overflow: hidden; background: var(--wall); border-bottom: 3px solid var(--ink); }
.bt-slide { position: absolute; inset: 0; visibility: hidden; }
.bt-slide.is-active { visibility: visible; z-index: 2; }
.bt-slide.is-prev { visibility: visible; z-index: 1; }
.bt-slide__img { position: absolute; inset: 0; }
.bt-slide__img img { width: 100%; height: 100%; object-fit: cover; }
.bt-slide__img::after, .bt-slide__slats::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10, 10, 10, .78), rgba(10, 10, 10, .05) 60%); pointer-events: none; }
.bt-slide__slats { position: absolute; inset: 0; pointer-events: none; }
.bt-slide__slats i { position: absolute; inset: 0; background-size: cover; background-position: center; clip-path: inset(0 calc(100% - (var(--i) + 1) * 100% / 7) 0 calc(var(--i) * 100% / 7)); transform: translateY(-101%); }
.bt-slide.is-in .bt-slide__slats i { animation: bt-slat .95s var(--ease) calc(var(--i) * 70ms) forwards; }
.bt-slide.is-in .bt-slide__img { opacity: 0; animation: bt-show 0s 1.45s forwards; }
@keyframes bt-slat { to { transform: none; } }
@keyframes bt-show { to { opacity: 1; } }
.bt-slide.is-in .bt-slide__txt { animation: bt-up .9s var(--ease-o) .55s both; }
@keyframes bt-up { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: none; } }
.bt-slide__txt { position: absolute; left: 0; right: 0; bottom: clamp(96px, 13vh, 140px); z-index: 3; color: #fff; }
.bt-slide__loc { display: inline-flex; align-items: center; gap: 10px; font: 700 13px var(--f-body); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; }
.bt-slide__t { position: relative; font-size: clamp(64px, 13vw, 240px); line-height: .82; margin-bottom: 26px; }
.bt-outline { color: transparent; -webkit-text-stroke: 2px rgba(255, 255, 255, .9); }
.bt-fill { position: absolute; left: 0; top: 0; color: #fff; clip-path: inset(0 100% 0 0); }
.bt-slide.is-active .bt-fill { animation: bt-fill 1.6s var(--ease) .9s forwards; }
@keyframes bt-fill { to { clip-path: inset(0 0 0 0); } }
.bt-slide__row { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 40px; }
.bt-slide__s { font-size: clamp(16px, 1.3vw, 19px); color: #e6e6e3; max-width: 30em; margin: 0; }
.bt-hero__ctl { position: absolute; left: 0; right: 0; bottom: 28px; z-index: 5; display: flex; align-items: center; gap: 16px; color: #fff; justify-content: flex-end; }
.bt-hero__count { font: 800 22px var(--f-head); font-variant-numeric: tabular-nums; }
.bt-hero__count b { color: #fff; font-weight: 800; }
.bt-hero__bar { width: 160px; height: 4px; background: rgba(255, 255, 255, .3); overflow: hidden; }
.bt-hero__bar i { display: block; height: 100%; background: var(--blue); transform-origin: left; transform: scaleX(0); }
.bt-hero__btn { width: 48px; height: 48px; border: 2px solid #fff; background: transparent; color: #fff; display: grid; place-items: center; transition: background .2s, color .2s; }
.bt-hero__btn:hover { background: #fff; color: var(--ink); }

/* ── Dökülen rakamlar ────────────────────────────────────────────────── */
.bt-pour { background: var(--wall); color: #f0efeb; padding: clamp(80px, 10vw, 150px) 0; background-image: var(--holes); background-size: 120px 90px; background-position: 30px 22px; border-bottom: 3px solid var(--ink); }
.bt-pour__head { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 5vw, 72px); }
.bt-pour .bt-lead { color: #c9c8c3; margin: 0; }
.bt-pour__grid { margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 3px solid currentColor; }
.bt-pour__c { padding: clamp(24px, 2.6vw, 40px); border-left: 3px solid currentColor; background: rgba(43, 43, 41, .92); }
.bt-pour__c:first-child { border-left: 0; }
.bt-pour__c dt { font: 700 13px var(--f-body); letter-spacing: .1em; text-transform: uppercase; color: #bdbcb7; margin-bottom: 28px; }
.bt-pour__c dd { margin: 0; font: 800 clamp(44px, 5vw, 84px)/.9 var(--f-head); color: #fff; }
.bt-pour__c dd b { font-weight: 800; font-variant-numeric: tabular-nums; }
.bt-pour__grid--light { color: var(--ink); margin-top: clamp(48px, 6vw, 96px); }
.bt-pour__grid--light .bt-pour__c { background: var(--white); }
.bt-pour__grid--light dt { color: var(--fg-3); }
.bt-pour__grid--light dd { color: var(--ink); }

/* ── Proje ızgarası ──────────────────────────────────────────────────── */
.bt-works { padding: clamp(80px, 10vw, 150px) 0; }
.bt-works__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(32px, 4vw, 56px); padding-bottom: 20px; border-bottom: 3px solid var(--ink); }
.bt-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.bt-filter button { height: 42px; padding: 0 16px; border: 2px solid var(--ink); background: transparent; font: 700 13px var(--f-body); letter-spacing: .06em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px; transition: background .2s, color .2s; }
.bt-filter button sup { font-size: 11px; }
.bt-filter button:hover { background: var(--ink); color: var(--paper); }
.bt-filter button[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.bt-filter--bar { padding: 18px 0; margin-bottom: clamp(32px, 4vw, 56px); border-top: 3px solid var(--ink); border-bottom: 1px solid var(--line-2); }
.bt-pgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 36px); grid-auto-flow: dense; }
.bt-pcard { display: block; }
.bt-pcard.is-large { grid-column: span 2; }
.bt-pcard.is-hidden { display: none; }
.bt-pcard__img { position: relative; margin: 0 0 14px; aspect-ratio: 4 / 5; overflow: hidden; border: 3px solid var(--ink); background: var(--paper-2); }
.bt-pcard.is-large .bt-pcard__img { aspect-ratio: auto; height: calc(100% - 0px); }
.bt-pgrid .bt-pcard.is-large { display: flex; flex-direction: column; }
.bt-pgrid .bt-pcard.is-large .bt-pcard__img { flex: 1; min-height: 320px; }
.bt-pcard__img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.45) contrast(1.05); transition: filter .5s, transform .9s var(--ease-o); }
.bt-pcard:hover .bt-pcard__img img { filter: none; transform: scale(1.04); }
.bt-pcard__over { position: absolute; inset: auto 0 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 22px; background: var(--blue); color: #fff; transform: translateY(101%); transition: transform .45s var(--ease); font-size: 15px; }
.bt-pcard__over span:first-child { max-width: 30em; }
.bt-pcard__over .bt-stamp { background: transparent; color: #fff; }
.bt-pcard:hover .bt-pcard__over, .bt-pcard:focus-visible .bt-pcard__over { transform: none; }
.bt-pcard__cap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 18px; align-items: baseline; }
.bt-pcard__cap b { font: 800 clamp(24px, 2.4vw, 38px)/1 var(--f-head); text-transform: uppercase; }
.bt-pcard__cap span { font: 600 12.5px var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); }
.bt-bar-link { display: flex; justify-content: space-between; align-items: center; margin-top: clamp(40px, 5vw, 72px); padding: 24px 28px; background: var(--ink); color: var(--paper); font: 800 clamp(26px, 3vw, 46px)/1 var(--f-head); text-transform: uppercase; transition: background .2s; }
.bt-bar-link .bt-ico { width: 34px; height: 34px; transition: transform .3s var(--ease-o); }
.bt-bar-link:hover { background: var(--blue); }
.bt-bar-link:hover .bt-ico { transform: translateX(8px); }
.bt-empty { color: var(--fg-3); padding: 40px 0; }
.bt-rel { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 36px); }

/* ── Hizmet aksları ──────────────────────────────────────────────────── */
.bt-axes { padding: clamp(80px, 10vw, 150px) 0; background: var(--white); border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.bt-axes__head { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 5vw, 72px); }
.bt-axes__head .bt-lead { margin: 0; }
.bt-axes__list { list-style: none; margin: 0; padding: 0; }
.bt-axis { position: relative; display: grid; grid-template-columns: 96px minmax(0, 4fr) minmax(0, 5fr) 56px; gap: 24px; align-items: center; padding: clamp(22px, 2.6vw, 34px) 0; }
.bt-axis::before { content: ''; position: absolute; left: 48px; right: 0; top: 50%; height: 2px; background: repeating-linear-gradient(90deg, var(--ink) 0 18px, transparent 18px 26px, var(--ink) 26px 30px, transparent 30px 38px); z-index: 0; opacity: .35; transition: opacity .3s, background .3s; }
.bt-axis:hover::before { opacity: 1; background: repeating-linear-gradient(90deg, var(--blue) 0 18px, transparent 18px 26px, var(--blue) 26px 30px, transparent 30px 38px); }
.bt-axis > * { position: relative; z-index: 1; }
.bt-axis__b { display: grid; place-items: center; width: 64px; height: 64px; border: 3px solid var(--ink); border-radius: 50%; background: var(--white); font: 800 28px/1 var(--f-head); transition: background .25s, color .25s, border-color .25s; flex: none; }
.bt-axis:hover .bt-axis__b { background: var(--blue); border-color: var(--blue); color: #fff; }
.bt-axis__b--xl { width: 110px; height: 110px; font-size: 52px; margin-top: 28px; }
.bt-axis__t { font: 800 clamp(26px, 3vw, 50px)/.95 var(--f-head); text-transform: uppercase; background: var(--white); padding-right: 16px; justify-self: start; }
.bt-axis__x { color: var(--fg-2); background: var(--white); padding: 0 16px; }
.bt-axis__img { position: absolute !important; right: 90px; top: 50%; width: 230px; aspect-ratio: 3 / 2; border: 3px solid var(--ink); transform: translateY(-50%) rotate(-2deg) scale(.9); opacity: 0; pointer-events: none; transition: opacity .3s, transform .45s var(--ease-o); z-index: 3 !important; overflow: hidden; }
.bt-axis__img img { width: 100%; height: 100%; object-fit: cover; }
.bt-axis:hover .bt-axis__img { opacity: 1; transform: translateY(-50%) rotate(-2deg) scale(1); }
.bt-axis__go { width: 52px; height: 52px; border: 2px solid var(--ink); display: grid; place-items: center; background: var(--white); transition: background .2s, color .2s; }
.bt-axis:hover .bt-axis__go { background: var(--ink); color: #fff; }

/* ── Şantiye ─────────────────────────────────────────────────────────── */
.bt-site { padding: clamp(80px, 10vw, 150px) 0; }
.bt-site__in { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 5fr) minmax(0, 3fr); gap: clamp(24px, 3vw, 48px); align-items: center; }
.bt-site figure { position: relative; margin: 0; border: 3px solid var(--ink); overflow: hidden; }
.bt-site__a { aspect-ratio: 4 / 5; }
.bt-site__b { aspect-ratio: 3 / 4; margin-top: 30% !important; }
.bt-site figure img { width: 100%; height: 100%; object-fit: cover; }
.bt-site__a .bt-stamp { position: absolute; left: 18px; top: 18px; }
.bt-site__txt .bt-h2 { margin-bottom: 24px; }
.bt-site__list { list-style: none; margin: 28px 0 32px; padding: 0; border-top: 3px solid var(--ink); }
.bt-site__list li { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-2); font-weight: 600; }

/* ── Manifesto ───────────────────────────────────────────────────────── */
.bt-mani { position: relative; padding: clamp(100px, 13vw, 220px) 0; color: #fff; overflow: hidden; border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.bt-mani__wall { position: absolute; inset: 0; }
.bt-mani__wall img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.5) contrast(1.15); }
.bt-mani .bt-wrap { position: relative; }
.bt-mani__t { font: 800 clamp(44px, 8.4vw, 150px)/.86 var(--f-head); text-transform: uppercase; margin-bottom: 36px; }
.bt-mani__by { display: inline-flex; align-items: center; gap: 12px; font: 700 13px var(--f-body); letter-spacing: .12em; text-transform: uppercase; }

/* ── Ekip ────────────────────────────────────────────────────────────── */
.bt-team { padding: clamp(80px, 10vw, 150px) 0; }
.bt-crew { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 32px); }
.bt-crew__i figure { margin: 0 0 14px; aspect-ratio: 4 / 5; overflow: hidden; border: 3px solid var(--ink); background: var(--paper-2); }
.bt-crew__i figure img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08); transition: filter .5s; }
.bt-crew__i:hover figure img { filter: none; }
.bt-crew__i h3 { font-size: clamp(24px, 2.2vw, 34px); margin-bottom: 4px; }
.bt-crew__i p { font: 600 13px var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin: 0; }
.bt-crew__i .bt-crew__b { font: 400 15.5px var(--f-body); text-transform: none; letter-spacing: 0; color: var(--fg-2); margin: 14px 0 12px; }
.bt-crew__l { display: flex; gap: 16px; }
.bt-crew__l a { border-bottom: 2px solid var(--ink); }

/* ── Blog kartları ───────────────────────────────────────────────────── */
.bt-jr { padding: clamp(80px, 10vw, 150px) 0; background: var(--paper-2); border-top: 3px solid var(--ink); }
.bt-posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3vw, 48px) clamp(20px, 2.4vw, 36px); }
.bt-posts:not(.bt-posts--3) .bt-post:first-child { grid-column: span 2; }
.bt-post { display: block; }
.bt-post figure, .bt-post__media { margin: 0 0 14px; aspect-ratio: 3 / 2; overflow: hidden; border: 3px solid var(--ink); background: var(--paper); }
.bt-post figure img, .bt-post__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.5); transition: filter .5s, transform .9s var(--ease-o); }
.bt-post:hover figure img, .bt-post:hover .bt-post__media img { filter: none; transform: scale(1.03); }
.bt-post time, .bt-post__meta { display: block; font: 700 12px var(--f-body); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); margin: 0 0 8px; }
.bt-post h3, .bt-post__t { font: 800 clamp(22px, 2vw, 32px)/.95 var(--f-head); text-transform: uppercase; margin-bottom: 10px; }
.bt-post:hover h3, .bt-post:hover .bt-post__t { color: var(--blue); }
.bt-post__x { color: var(--fg-2); font-size: 15.5px; margin: 0; }

/* ── Döküm çağrısı (mavi) ────────────────────────────────────────────── */
.bt-cta { background: var(--blue); color: #fff; padding: clamp(90px, 12vw, 190px) 0 clamp(72px, 8vw, 120px); border-top: 3px solid var(--ink); }
.bt-cta__t { font-size: clamp(50px, 9vw, 168px); line-height: .84; max-width: 11em; margin-bottom: clamp(40px, 5vw, 72px); }
.bt-cta__row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px 48px; padding-top: 28px; border-top: 3px solid #fff; }
.bt-cta__row p { max-width: 34em; margin: 0; font-size: 18px; }

/* ── Footer: pafta anteti ────────────────────────────────────────────── */
.bt-foot { background: var(--paper); border-top: 3px solid var(--ink); }
.bt-news { border-bottom: 3px solid var(--ink); background: var(--white); }
.bt-news__in { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 20px 56px; align-items: center; padding-top: 36px; padding-bottom: 36px; }
.bt-news__t { font-size: clamp(26px, 2.6vw, 40px); margin-bottom: 8px; }
.bt-news p { margin: 0; color: var(--fg-3); font-size: 15px; }
.bt-news .nl-form { gap: 10px; }
.bt-news .nl-row { flex-wrap: nowrap; gap: 0; }
.bt-news .nl-input { border-radius: 0; height: 56px; border: 3px solid var(--ink); border-right: 0; background: var(--paper); color: var(--ink); padding: 0 16px; font: 500 17px var(--f-body); }
.bt-news .nl-input:focus { outline: 0; background: #fff; }
.bt-news .nl-btn { border-radius: 0; height: 56px; background: var(--blue); color: #fff; font: 700 14px var(--f-body); letter-spacing: .06em; text-transform: uppercase; padding: 0 26px; border: 3px solid var(--ink); }
.bt-news .nl-btn:hover { background: var(--blue-d); }
.bt-news .nl-consent { color: var(--fg-3); font-size: 13px; align-items: center; }
.bt-news .nl-consent a { color: var(--ink); text-decoration: underline; }
.bt-news .nl-consent input { accent-color: var(--blue); margin-top: 0; }
.bt-foot__wall { position: relative; height: clamp(150px, 20vw, 300px); background-color: var(--wall); background-image: var(--holes), repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 2px, transparent 2px 38px); background-size: 120px 90px, auto; background-position: 30px 22px, 0 0; overflow: hidden; border-bottom: 3px solid var(--ink); }
.bt-foot__wall span { position: absolute; left: var(--gut); bottom: -.14em; font: 800 clamp(120px, 24vw, 400px)/.8 var(--f-head); color: transparent; -webkit-text-stroke: 2px rgba(255, 255, 255, .28); letter-spacing: -.01em; white-space: nowrap; }
.bt-title { display: grid; grid-template-columns: 2fr 1.4fr 1.2fr 1.2fr; border: 3px solid var(--ink); border-top: 0; background: var(--white); }
.bt-title__c { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px 22px; border-left: 1px solid var(--ink); border-top: 1px solid var(--ink); min-width: 0; }
.bt-title__c:nth-child(4n+1) { border-left: 0; }
.bt-title__c > span { font: 700 11px var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 4px; }
.bt-title__c b { font: 800 22px/1 var(--f-head); text-transform: uppercase; }
.bt-title__c p { margin: 0; font-size: 15px; color: var(--fg-2); }
.bt-title__c a { font-weight: 600; word-break: break-word; width: fit-content; }
.bt-title__c a:hover { color: var(--blue); }
.bt-title__c--big { grid-row: span 2; justify-content: space-between; background: var(--ink); color: #fff; }
.bt-title__c--big > span { color: #a9a8a3; }
.bt-title__c--big a { font: 800 clamp(30px, 3.4vw, 56px)/.9 var(--f-head); text-transform: uppercase; color: #fff; display: inline-flex; align-items: flex-end; gap: .2em; }
.bt-title__c--big a .bt-ico { width: .8em; height: .8em; color: var(--blue); flex: none; }
.bt-title__c--big a:hover { color: var(--blue); }
.bt-title__c--nav nav { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.bt-title__c--sm b { font-size: 30px; }
.bt-foot__bar { display: grid; grid-template-columns: auto 1fr auto; gap: 12px 28px; align-items: center; padding: 22px 0 26px; font-size: 13px; color: var(--fg-3); }
.f-copy { text-align: left; }
.f-powered { display: flex; justify-content: center; }
.bt-foot__legal { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 18px; }
.bt-foot__legal a, .bt-foot__legal button { color: var(--fg-3); background: none; border: 0; padding: 0; font: inherit; }
.bt-foot__legal a:hover, .bt-foot__legal button:hover { color: var(--ink); }

/* ── İç sayfa başlığı ────────────────────────────────────────────────── */
.bt-crumb { display: flex; flex-wrap: wrap; gap: 10px; font: 700 12px var(--f-body); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 24px; }
.bt-crumb a:hover { color: var(--blue); }
.bt-phead { padding-top: clamp(48px, 7vw, 110px); }
.bt-phead__in { padding-bottom: clamp(40px, 5vw, 72px); }
.bt-phead__row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px; margin-top: 28px; }
.bt-phead__row .bt-lead { margin: 0; }
.bt-phead__img { margin: 0 0 clamp(48px, 6vw, 96px); height: 64svh; min-height: 380px; overflow: hidden; border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.bt-phead__img img { width: 100%; height: 100%; object-fit: cover; }

/* ── Proje sayfası ───────────────────────────────────────────────────── */
.bt-proj__head { padding-top: clamp(48px, 7vw, 110px); padding-bottom: clamp(32px, 4vw, 56px); }
.bt-proj__tags { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.bt-proj__hero { margin: 0; height: 82svh; min-height: 460px; overflow: hidden; border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.bt-proj__hero img { width: 100%; height: 100%; object-fit: cover; }
.bt-strip { margin: 0; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); border-bottom: 3px solid var(--ink); }
.bt-strip > div { padding: 20px 20px 20px 0; border-right: 1px solid var(--line-2); }
.bt-strip > div + div { padding-left: 20px; }
.bt-strip > div:last-child { border-right: 0; }
.bt-strip dt { font: 700 11px var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 6px; }
.bt-strip dd { margin: 0; font: 800 clamp(18px, 1.6vw, 24px)/1 var(--f-head); text-transform: uppercase; }
.bt-proj__body, .bt-sv { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 48px clamp(40px, 6vw, 110px); padding: clamp(56px, 7vw, 110px) 0; }
.bt-proj__lead { color: var(--ink); font-size: clamp(20px, 1.8vw, 26px); font-weight: 500; max-width: none; margin-bottom: 32px; }
.bt-proj__side, .bt-sv__side { position: sticky; top: calc(var(--head) + 24px); align-self: start; display: grid; gap: 28px; justify-items: start; }
.bt-spec { width: 100%; border-collapse: collapse; border: 3px solid var(--ink); background: var(--white); }
.bt-spec caption { caption-side: top; text-align: left; padding: 12px 16px; background: var(--ink); color: #fff; font: 800 18px var(--f-head); text-transform: uppercase; letter-spacing: .02em; }
.bt-spec th, .bt-spec td { padding: 12px 16px; border-top: 1px solid var(--line-2); text-align: left; font-size: 15px; vertical-align: middle; }
.bt-spec th { color: var(--fg-3); font-weight: 600; width: 44%; }
.bt-spec td { font-weight: 700; }
.bt-sv__side .bt-spec th { width: 40px; padding-right: 0; }
.bt-gal { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.bt-gal__i { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; border: 3px solid var(--ink); cursor: zoom-in; }
.bt-gal__i img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease-o); }
.bt-gal__i:hover img { transform: scale(1.04); }
.bt-gal__ex { position: absolute; right: 14px; bottom: 14px; width: 44px; height: 44px; display: grid; place-items: center; background: var(--blue); color: #fff; opacity: 0; transition: opacity .2s; }
.bt-gal__i:hover .bt-gal__ex { opacity: 1; }
.bt-next { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); background: var(--ink); color: #fff; border-top: 3px solid var(--ink); overflow: hidden; }
.bt-next__in { display: flex; flex-direction: column; justify-content: center; gap: 12px; padding-top: clamp(56px, 7vw, 110px); padding-bottom: clamp(56px, 7vw, 110px); }
.bt-next__k { font: 700 12px var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.bt-next__in b { font: 800 clamp(44px, 7vw, 120px)/.85 var(--f-head); text-transform: uppercase; }
.bt-next__in > span:not(.bt-next__k) { color: #a9a8a3; font-weight: 600; }
.bt-next__in .bt-ico { width: 40px; height: 40px; transition: transform .3s var(--ease-o); }
.bt-next:hover .bt-next__in .bt-ico { transform: translateX(10px); }
.bt-next__img { overflow: hidden; }
.bt-next__img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); transition: filter .5s, transform 1s var(--ease-o); }
.bt-next:hover .bt-next__img img { filter: none; transform: scale(1.04); }

/* ── Işık kutusu ─────────────────────────────────────────────────────── */
.bt-lb { position: fixed; inset: 0; z-index: 150; background: rgba(18, 18, 18, .97); color: #fff; display: grid; grid-template-rows: auto 1fr auto; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.bt-lb.is-open { opacity: 1; visibility: visible; }
.bt-lb__top, .bt-lb__bot { display: flex; justify-content: space-between; align-items: center; padding: 16px var(--gut); font: 700 13px var(--f-body); letter-spacing: .08em; text-transform: uppercase; }
.bt-lb__stage { display: grid; place-items: center; padding: 0 var(--gut); min-height: 0; }
.bt-lb__stage img { max-height: 100%; max-width: 100%; object-fit: contain; border: 3px solid #fff; }
.bt-lb button { width: 48px; height: 48px; border: 2px solid #fff; background: none; color: #fff; display: grid; place-items: center; }
.bt-lb button:hover { background: var(--blue); border-color: var(--blue); }
.bt-lb__nav { display: flex; gap: 8px; }

/* ── Hakkımızda ──────────────────────────────────────────────────────── */
.bt-story { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px clamp(40px, 6vw, 110px); }
.bt-story__txt { font-size: 19px; color: var(--fg-2); }
.bt-story__txt p:first-child { color: var(--ink); font-size: 22px; font-weight: 500; }
.bt-feat { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px clamp(40px, 5vw, 80px); align-items: start; }
.bt-feat__list { display: grid; border-top: 3px solid var(--ink); }
.bt-feat__i { display: flex; gap: 22px; align-items: flex-start; padding: 24px 0; border-bottom: 1px solid var(--line-2); }
.bt-feat__i h3 { font-size: clamp(22px, 2vw, 30px); margin-bottom: 8px; }
.bt-feat__i p { margin: 0; color: var(--fg-2); }
.bt-feat__imgs { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 18px; }
.bt-feat__imgs figure { margin: 0; border: 3px solid var(--ink); overflow: hidden; }
.bt-feat__imgs figure:first-child { grid-row: span 2; }
.bt-feat__imgs img { width: 100%; height: 100%; object-fit: cover; }

/* ── İletişim + formlar ──────────────────────────────────────────────── */
.bt-contact { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px clamp(40px, 6vw, 110px); }
.bt-info { margin: 0; display: grid; border-top: 3px solid var(--ink); }
.bt-info > div { padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.bt-info dt { font: 700 11px var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 6px; }
.bt-info dd { margin: 0; }
.bt-info small { color: var(--fg-3); }
.bt-info__big a { font: 800 clamp(22px, 2.2vw, 34px)/1.05 var(--f-head); text-transform: none; word-break: break-word; }
.bt-info__big a:hover { color: var(--blue); }
.bt-info__wa { font: 700 13px var(--f-body) !important; text-transform: uppercase; margin-left: 12px; color: var(--blue); }
.bt-map { position: relative; margin: 28px 0 0; aspect-ratio: 16 / 10; overflow: hidden; border: 3px solid var(--ink); }
.bt-map > img { width: 100%; height: 100%; object-fit: cover; }
.bt-map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 3; filter: grayscale(1); }
.bt-map > .bt-btn { position: absolute; left: 18px; bottom: 22px; z-index: 3; }
.bt-formbox { background: var(--white); border: 3px solid var(--ink); padding: clamp(26px, 3.4vw, 52px); box-shadow: 10px 10px 0 var(--ink); }
.bt-formbox .bt-h2 { font-size: clamp(34px, 3.6vw, 56px); margin-bottom: 10px; }
.bt-formbox .bt-muted { margin-bottom: 28px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 22px; }
.form-grid .full, .form-grid .f.full { grid-column: 1 / -1; }
.f label { display: block; font: 700 12px var(--f-body); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.f input, .f select, .f textarea, .search-form input { width: 100%; height: 54px; padding: 0 14px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); font: 500 17px var(--f-body); border-radius: 0; }
.f select { appearance: none; background: var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%23121212' stroke-width='2.4'/%3E%3C/svg%3E") right 14px center no-repeat; padding-right: 40px; }
.f textarea { height: auto; min-height: 150px; padding: 12px 14px; resize: vertical; line-height: 1.55; }
.f input:focus, .f select:focus, .f textarea:focus, .search-form input:focus { outline: 0; border-color: var(--blue); background: #fff; box-shadow: 4px 4px 0 var(--blue); }
.f .err, small.err { display: block; color: var(--err); font-size: 13.5px; font-weight: 600; margin-top: 6px; }
.alert { padding: 16px 20px; margin-bottom: 24px; font-size: 15.5px; font-weight: 600; border: 3px solid; }
.alert--ok { border-color: var(--ok); color: var(--ok); background: #e6f2ea; }
.alert--err { border-color: var(--err); color: var(--err); background: #fbe9e7; }
.tsp-form-note { font-size: 13px; color: var(--fg-3); line-height: 1.55; margin-top: 16px; }
.tsp-form-note a { text-decoration: underline; }

/* ── Blog sayfaları ──────────────────────────────────────────────────── */
.bt-bsearch { display: flex; max-width: 560px; margin-bottom: 24px; }
.bt-bsearch__f { flex: 1; display: flex; align-items: center; gap: 10px; border: 2px solid var(--ink); border-right: 0; background: var(--white); padding: 0 12px; }
.bt-bsearch input { flex: 1; height: 50px; border: 0; background: transparent; font: 500 17px var(--f-body); }
.bt-bsearch input:focus { outline: 0; }
.bt-bsearch button { height: 54px; padding: 0 22px; border: 2px solid var(--ink); background: var(--blue); color: #fff; font: 700 14px var(--f-body); text-transform: uppercase; }
.bt-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(32px, 4vw, 56px); }
.bt-cats a { height: 42px; padding: 0 16px; border: 2px solid var(--ink); font: 700 13px var(--f-body); letter-spacing: .06em; text-transform: uppercase; display: inline-flex; gap: 6px; align-items: center; }
.bt-cats a:hover { background: var(--ink); color: var(--paper); }
.bt-cats a[aria-current="page"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.bt-pager { display: flex; gap: 8px; margin-top: 56px; }
.bt-pager a { min-width: 46px; height: 46px; display: grid; place-items: center; border: 2px solid var(--ink); font-weight: 700; }
.bt-pager a[aria-current="page"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.bt-arthead { padding: clamp(48px, 7vw, 110px) 0 clamp(32px, 4vw, 56px); }
.bt-arthead .bt-h1 { font-size: clamp(40px, 6vw, 104px); line-height: .88; }
.bt-arthead .bt-lead { margin-top: 26px; }
.bt-arthead .bt-post__meta a { color: var(--blue); }
.bt-artcover { margin: 0 0 clamp(40px, 5vw, 72px); aspect-ratio: 21 / 9; overflow: hidden; border: 3px solid var(--ink); }
.bt-artcover img { width: 100%; height: 100%; object-fit: cover; }
.prose { font-size: 18px; line-height: 1.75; color: var(--fg-2); }
.prose h2 { font-size: clamp(28px, 2.6vw, 42px); margin: 1.6em 0 .6em; color: var(--ink); scroll-margin-top: calc(var(--head) + 24px); }
.prose h3 { font-size: 24px; margin: 1.5em 0 .5em; color: var(--ink); }
.prose a { color: var(--blue); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin: .4em 0; }
.prose ul li::marker { color: var(--blue); }
.prose strong { color: var(--ink); }
.prose blockquote { margin: 1.6em 0; padding: 24px 28px; background: var(--ink); color: #fff; font: 800 clamp(26px, 2.6vw, 40px)/.95 var(--f-head); text-transform: uppercase; }
.prose blockquote p { margin: 0; }
.prose img { margin: 1.6em 0; border: 3px solid var(--ink); }
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 6vw, 96px); padding-bottom: clamp(64px, 8vw, 120px); }
.post-side { display: grid; gap: 24px; align-content: start; position: sticky; top: calc(var(--head) + 24px); align-self: start; }
.side-box { padding: 20px; border: 3px solid var(--ink); background: var(--white); }
.side-box__h { font: 800 18px var(--f-head); text-transform: uppercase; margin: 0 0 12px; }
.side-list ul, .side-toc ol { list-style: none; margin: 0; padding: 0; }
.side-list a, .side-toc a { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; font-size: 15px; font-weight: 500; border-top: 1px solid var(--line-2); }
.side-list a:hover, .side-toc a:hover { color: var(--blue); }
.side-list time { display: block; font-size: 12px; color: var(--fg-3); }
.side-recent a { display: block; }
.side-author { display: flex; gap: 14px; align-items: center; }
.side-author p { margin: 0; }
.side-author__name { font: 800 18px var(--f-head); text-transform: uppercase; }
.side-author__role, .side-author__meta { font-size: 13px; color: var(--fg-3); }
.side-cta p { color: var(--fg-2); font-size: 15px; }
.side-cta .bt-btn { height: 48px; font-size: 13px; }
.author-card { display: flex; gap: 20px; margin-top: 48px; padding: 24px; border: 3px solid var(--ink); background: var(--white); }
.author-card__avatar { flex: none; width: 80px; height: 80px; overflow: hidden; display: grid; place-items: center; background: var(--paper-2); border: 2px solid var(--ink); font: 800 24px var(--f-head); }
.author-card__avatar img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.author-card__avatar--sm { width: 54px; height: 54px; font-size: 18px; }
.author-card__kicker { font: 700 11px var(--f-body); letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3); }
.author-card__name { font: 800 22px var(--f-head); text-transform: uppercase; margin: 4px 0; }
.author-card__role { color: var(--blue); font-size: 14px; font-weight: 600; margin: 0 0 8px; }
.author-card__bio { color: var(--fg-2); font-size: 15px; margin: 0; }
.bt-ptags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; align-items: center; font-weight: 600; }
.bt-ptags span { color: var(--fg-3); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; }
.bt-ptags a { padding: 4px 10px; border: 2px solid var(--ink); font-size: 14px; }
.bt-ptags a:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.bt-share { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; font: 700 13px var(--f-body); text-transform: uppercase; letter-spacing: .06em; align-items: center; }
.bt-share span { color: var(--fg-3); }
.bt-share a, .bt-share button { background: none; border: 0; padding: 0; font: inherit; border-bottom: 2px solid var(--ink); }
.bt-share a:hover, .bt-share button:hover { color: var(--blue); border-color: var(--blue); }

/* ── Arama, bülten, yasal, 404 ───────────────────────────────────────── */
.search-form { display: flex; max-width: 640px; }
.search-form button { height: 54px; padding: 0 22px; border: 2px solid var(--ink); background: var(--blue); color: #fff; font: 700 14px var(--f-body); text-transform: uppercase; }
.search-results { list-style: none; margin: 40px 0 0; padding: 0; border-top: 3px solid var(--ink); }
.search-results li { border-bottom: 1px solid var(--line-2); }
.search-results a { display: block; padding: 20px 0; }
.search-results b, .search-results strong { font: 800 24px var(--f-head); text-transform: uppercase; }
.search-results small { display: block; font: 700 11px var(--f-body); color: var(--blue); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.page-head { padding: clamp(48px, 7vw, 110px) 0 32px; }
.page-head h1 { font-size: clamp(46px, 7vw, 120px); }
.eyebrow { font: 700 12px var(--f-body); color: var(--blue); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.lead { font-size: clamp(17px, 1.4vw, 21px); color: var(--fg-2); }
.page-crumbs { padding-top: clamp(40px, 5vw, 72px); }
.page-crumbs nav, .page-crumbs .crumbs { display: flex; flex-wrap: wrap; gap: 8px; font: 700 12px var(--f-body); text-transform: uppercase; letter-spacing: .1em; color: var(--fg-3); }
.lp-wrap { max-width: 920px; margin: 0 auto; padding: 0 var(--gut) clamp(64px, 8vw, 120px); }
.lp-wrap h1 { font-size: clamp(40px, 5.6vw, 84px); margin: 24px 0 32px; }
.lp-wrap a { color: var(--blue); text-decoration: underline; }
.btn, .btn--ghost { display: inline-flex; align-items: center; height: 52px; padding: 0 22px; background: var(--blue); color: #fff; font: 700 14px var(--f-body); text-transform: uppercase; border: 2px solid var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 12px; border: 2px solid var(--ink); font-weight: 600; font-size: 14px; }
.chip[aria-current="page"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.bt-404 { position: relative; min-height: calc(100svh - var(--head)); display: flex; align-items: center; overflow: hidden; color: #fff; }
.bt-404__img { position: absolute; inset: 0; margin: 0; }
.bt-404__img img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.35) grayscale(.6); }
.bt-404__txt { position: relative; z-index: 2; }
.bt-404__n { font: 800 clamp(140px, 24vw, 380px)/.9 var(--f-head); margin: 0 0 clamp(16px, 2vw, 32px); color: transparent; -webkit-text-stroke: 3px #fff; }
.bt-404 .bt-lead { color: #dedcd8; margin: 20px 0 32px; }
.bt-404 .bt-link { border-color: #fff; }
.bt-404__acts { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 160; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 12px 20px; font-weight: 700; border: 3px solid var(--blue); opacity: 0; transition: .3s; pointer-events: none; }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* Belirme + yükselen başlık */
.js .rv { opacity: 0; transform: translateY(40px); transition: opacity .7s var(--ease-o), transform .8s var(--ease-o); }
.js .rv.is-in { opacity: 1; transform: none; }
.js [data-rise] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .04em; }
.js [data-rise] .w > span { display: inline-block; transform: translateY(105%); transition: transform .8s var(--ease); }
.js [data-rise].is-in .w > span { transform: none; }

/* ── Duyarlı ─────────────────────────────────────────────────────────── */
@media (max-width: 1200px) { .bt-nav > a { padding: 0 12px; font-size: 12.5px; } .bt-logo__s { display: none; } }
@media (max-width: 1040px) {
  :root { --head: 66px; }
  .bt-nav, .bt-head__cta, .bt-head__tools .bt-lang { display: none; }
  .bt-burger { display: block; }
  .bt-head__tools { margin-left: auto; }
  .bt-pour__head, .bt-axes__head, .bt-site__in, .bt-proj__body, .bt-sv, .bt-story, .bt-feat, .bt-contact, .bt-news__in, .bt-next { grid-template-columns: 1fr; }
  .bt-pour__grid { grid-template-columns: 1fr 1fr; }
  .bt-pour__c:nth-child(3) { border-left: 0; }
  .bt-pour__c:nth-child(n+3) { border-top: 3px solid currentColor; }
  .bt-pgrid, .bt-rel, .bt-posts { grid-template-columns: 1fr 1fr; }
  .bt-pgrid .bt-pcard.is-large .bt-pcard__img { flex: none; height: auto; aspect-ratio: 16 / 10; min-height: 0; }
  .bt-crew { grid-template-columns: 1fr 1fr; }
  .bt-site__b { display: none; }
  .bt-proj__side, .bt-sv__side, .post-side { position: static; }
  .bt-axis { grid-template-columns: 72px minmax(0, 1fr) 52px; }
  .bt-axis__x { grid-column: 2; padding: 0; }
  .bt-axis__go { grid-column: 3; grid-row: 1; }
  .bt-axis__img { display: none; }
  .bt-axis::before { display: none; }
  .bt-title { grid-template-columns: 1fr 1fr; }
  .bt-title__c:nth-child(4n+1) { border-left: 1px solid var(--ink); }
  .bt-title__c:nth-child(odd) { border-left: 0; }
  .bt-title__c--big { grid-column: 1 / -1; grid-row: auto; }
  .bt-title__c--big ~ .bt-title__c:nth-child(even) { border-left: 0; }
  .bt-title__c--big ~ .bt-title__c:nth-child(odd) { border-left: 1px solid var(--ink); }
  .bt-strip { grid-auto-flow: row; grid-template-columns: 1fr 1fr; }
  .bt-strip > div, .bt-strip > div + div { padding: 16px 12px 16px 0; border-right: 0; border-bottom: 1px solid var(--line-2); }
  .bt-next__img { height: 50vw; }
  .post-layout { grid-template-columns: 1fr; }
  .bt-foot__bar { grid-template-columns: 1fr; justify-items: start; }
  .f-powered, .bt-foot__legal { justify-content: flex-start; }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .bt-slide__t { font-size: clamp(52px, 15vw, 90px); }
  .bt-outline { -webkit-text-stroke-width: 1.5px; }
  .bt-hero__bar { width: 70px; }
  .bt-pgrid, .bt-rel, .bt-posts, .bt-gal { grid-template-columns: 1fr; }
  .bt-pcard.is-large { grid-column: auto; }
  .bt-pgrid .bt-pcard.is-large { display: block; }
  .bt-pgrid .bt-pcard.is-large .bt-pcard__img { aspect-ratio: 4 / 5; flex: none; height: auto; min-height: 0; }
  .bt-posts:not(.bt-posts--3) .bt-post:first-child { grid-column: auto; }
  .bt-pcard__over { transform: none; position: static; }
  .bt-pour__grid { grid-template-columns: 1fr 1fr; }
  .bt-pour__c dd { font-size: 40px; }
  .bt-crew { grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .bt-title { grid-template-columns: 1fr; }
  .bt-title__c, .bt-title__c:nth-child(odd), .bt-title__c--big ~ .bt-title__c:nth-child(odd) { border-left: 0 !important; }
  .bt-feat__imgs { grid-template-columns: 1fr 1fr; }
  .bt-btn { box-shadow: 4px 4px 0 var(--ink); }
  .bt-formbox { box-shadow: 6px 6px 0 var(--ink); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; }
  .js .rv, .js [data-rise] .w > span { opacity: 1; transform: none; }
  .bt-fill { clip-path: none; }
}