/* Köseoğlu Metal Sanat Atölyesi - site stili */
:root {
  --ink: #16181c; --ink2: #1f2328; --steel: #2b3037; --steel2: #3a4048; --line: #e3e5e8;
  --bg: #ffffff; --bg2: #f4f5f6; --text: #1d2126; --muted: #5d6570;
  --spark: #ff7a1a; --spark2: #ffb02e; --wa: #1fa855;
  --radius: 10px; --shadow: 0 10px 30px rgba(10, 12, 16, .12);
  --head: 'Barlow Condensed', 'Arial Narrow', sans-serif; --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { overflow-x: clip; margin: 0; font-family: var(--body); color: var(--text); background: var(--bg); line-height: 1.65; font-size: 16px; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4, .h2, .h3 { font-family: var(--head); line-height: 1.08; margin: 0 0 .5em; letter-spacing: .01em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); text-transform: uppercase; }
h2, .h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3, .h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1220px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 820px; } .narrow-sm { max-width: 460px; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.eyebrow { font-family: var(--head); text-transform: uppercase; letter-spacing: .22em; font-size: .92rem; color: var(--spark); font-weight: 700; margin-bottom: .6em; }

/* butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4em; padding: .82em 1.5em; border-radius: 6px; border: 2px solid var(--spark);
  background: var(--spark); color: #111; font-weight: 700; text-decoration: none; font-size: .95rem; letter-spacing: .02em; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; font-family: var(--body); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255, 122, 26, .35); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost:hover { background: #fff; color: var(--ink); box-shadow: none; }
.btn-line { background: transparent; color: var(--text); border-color: var(--text); }
.btn-line:hover { background: var(--text); color: #fff; box-shadow: none; }
.btn-wa { background: var(--wa); border-color: var(--wa); color: #fff; }
.btn-wa:hover { box-shadow: 0 10px 24px rgba(31, 168, 85, .35); }
.btn-sm { padding: .55em 1.1em; font-size: .88rem; }
.btn-block { width: 100%; margin-bottom: .6em; }

/* üst bar + menü */
.topbar { background: var(--ink); color: #b9c0c9; font-size: .82rem; }
.topbar-in { display: flex; justify-content: space-between; gap: 1rem; padding: .45rem 0; flex-wrap: wrap; }
.topbar a { color: #e6e9ed; text-decoration: none; margin-left: 1.1rem; }
.topbar a:hover { color: var(--spark2); }
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.nav.scrolled { box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.nav-in { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); }
.brand img { border-radius: 6px; }
.brand-t { display: flex; flex-direction: column; line-height: 1; }
.brand-t b { font-family: var(--head); font-size: 1.7rem; letter-spacing: .06em; }
.brand-t small { font-family: var(--head); font-size: .78rem; letter-spacing: .24em; color: var(--spark); font-weight: 700; margin-top: 3px; }
.menu { display: flex; align-items: center; gap: .2rem; }
.menu a { text-decoration: none; padding: .55rem .8rem; font-weight: 600; font-size: .95rem; border-radius: 6px; position: relative; }
.menu a:not(.btn)::after { content: ''; position: absolute; left: .8rem; right: .8rem; bottom: .3rem; height: 2px; background: var(--spark); transform: scaleX(0); transition: transform .25s; }
.menu a:not(.btn):hover::after, .menu a.on::after { transform: scaleX(1); }
.menu .btn { margin-left: .6rem; }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 6px 0; transition: .3s; }

/* hero */
.hero { position: relative; min-height: min(88vh, 820px); display: flex; align-items: center; color: #fff; overflow: hidden; background: #0d0f12; }
.hero-video, .sparks, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-video { object-fit: cover; }
.hero-shade { background: linear-gradient(100deg, rgba(10,12,15,.92) 0%, rgba(10,12,15,.72) 45%, rgba(10,12,15,.25) 100%); }
.sparks { z-index: 1; pointer-events: none; }
.hero-in { position: relative; z-index: 2; padding: 6rem 0 5rem; max-width: 1220px; }
.hero h1 { max-width: 15ch; margin-bottom: .35em; text-shadow: 0 4px 30px rgba(0,0,0,.4); }
.hero-lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 60ch; color: #dfe3e8; }
.hero-btns { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.6rem 0; }
.hero-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.hero-tags span { border: 1px solid rgba(255,255,255,.25); padding: .3em .8em; border-radius: 99px; font-size: .82rem; color: #e8ebef; background: rgba(255,255,255,.06); }

/* sayaçlar */
.stats { background: var(--ink); color: #fff; }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 2rem 1.2rem; border-left: 1px solid rgba(255,255,255,.08); }
.stat b { display: block; font-family: var(--head); font-size: 3.2rem; color: var(--spark); line-height: 1; }
.stat span { color: #b9c0c9; font-size: .92rem; }

/* bölümler */
.sec { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.sec-dark { background: var(--ink); color: #eef0f3; }
.sec-dark .card { background: var(--ink2); border-color: #2c3138; color: #eef0f3; }
.sec-dark .card p, .sec-dark .value p, .sec-dark .tl p { color: #aeb5be; }
.sec-steel { background: linear-gradient(180deg, var(--bg2), #eceef0); }
.sec-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 0 2rem; margin-bottom: 2.2rem; }
.sec-head .eyebrow { width: 100%; }
.sec-head h2 { margin: 0; max-width: 24ch; }
.link-more { font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--spark); padding-bottom: 2px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split-img { position: relative; padding-bottom: 12%; }
.split-img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.split-img-2 { position: absolute; width: 48% !important; right: -4%; bottom: 0; border: 6px solid #fff; aspect-ratio: 1 !important; }

/* kartlar */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform .3s, box-shadow .3s; }
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.card-img { aspect-ratio: 4/3; overflow: hidden; background: #ddd; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.card:hover .card-img img { transform: scale(1.07); }
.card-b { padding: 1.15rem 1.2rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.card-b h3, .card-b .h3 { font-size: 1.35rem; margin-bottom: .35em; }
.card-b p { font-size: .92rem; color: var(--muted); flex: 1; }
.card-more { font-weight: 700; font-size: .85rem; color: var(--spark); text-transform: uppercase; letter-spacing: .08em; }

/* hizmet ızgarası */
.svc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.svc-item { position: relative; padding: 2rem 1.6rem; background: #fff; text-decoration: none; min-height: 240px; overflow: hidden; isolation: isolate; transition: color .35s; }
.svc-item::before { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(12,14,17,.72), rgba(12,14,17,.86)), var(--bg) center/cover; opacity: 0; transition: opacity .45s; z-index: -1; }
.svc-item:hover { color: #fff; }
.svc-item:hover::before { opacity: 1; }
.svc-item:hover p { color: #d5dae0; }
.svc-no { font-family: var(--head); font-size: 2.6rem; color: var(--spark); font-weight: 800; display: block; line-height: 1; margin-bottom: .6rem; }
.svc-item p { color: var(--muted); font-size: .92rem; transition: color .35s; }

/* video bandı */
.video-band { position: relative; color: #fff; padding: clamp(5rem, 11vw, 9rem) 0; overflow: hidden; background: #0d0f12; }
.video-band-sm { padding: 4.5rem 0; }
.video-band video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-band-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,9,11,.9), rgba(8,9,11,.5)); }
.video-band-in { position: relative; max-width: 680px; margin-left: max(16px, (100% - 1220px) / 2); }
.video-band-in p { color: #d7dce2; font-size: 1.08rem; }

/* adımlar */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; counter-reset: s; }
.step { background: #fff; border-radius: var(--radius); padding: 1.8rem 1.5rem; border-top: 4px solid var(--spark); box-shadow: 0 6px 18px rgba(0,0,0,.05); }
.step b { font-family: var(--head); font-size: 2.4rem; color: #c9ced4; }
.step p { color: var(--muted); font-size: .93rem; margin: 0; }

/* kayan galeri şeridi */
.gallery-strip { overflow: hidden; background: var(--ink); padding: 14px 0; }
.strip-track { display: flex; gap: 14px; width: max-content; animation: strip 70s linear infinite; }
.strip-track img { height: 190px; width: auto; aspect-ratio: 4/3; object-fit: cover; border-radius: 6px; filter: grayscale(.35); transition: filter .3s; }
.strip-track img:hover { filter: none; }
.gallery-strip:hover .strip-track { animation-play-state: paused; }
@keyframes strip { to { transform: translateX(-50%); } }

/* harita */
.map-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 3rem; align-items: center; }
.big-line { font-family: var(--head); font-size: 1.6rem; font-weight: 600; line-height: 1.25; margin-bottom: .5em; }
.big-line a { text-decoration: none; border-bottom: 2px solid var(--spark); }
.map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 16/11; }
.map iframe, .map-full iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-full { height: 420px; }

/* cta + footer */
.cta-band { background: linear-gradient(110deg, var(--spark), #ff9a3c 60%, var(--spark2)); color: #1a1208; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem 3rem; padding: 2.6rem 0; flex-wrap: wrap; }
.cta-in h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: .2em; }
.cta-in p { margin: 0; }
.cta-btns { display: flex; gap: .7rem; flex-wrap: wrap; }
.cta-band .btn { background: var(--ink); color: #fff; border-color: var(--ink); }
.cta-band .btn-wa { background: var(--wa); border-color: var(--wa); }
.foot { background: #0f1114; color: #aab1ba; font-size: .92rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr; gap: 2.2rem; padding: 3.5rem 0 2rem; }
.foot h4 { color: #fff; font-size: 1.2rem; letter-spacing: .06em; text-transform: uppercase; }
.foot a { display: block; text-decoration: none; margin-bottom: .45rem; color: #cfd4da; }
.foot a:hover { color: var(--spark2); }
.brand-foot { color: #fff !important; margin-bottom: 1rem !important; }
.foot-about { margin-top: .8rem; }
.foot-hours { color: #8b939d; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem; border-top: 1px solid #23272d; padding: 1.2rem 0 1.4rem; font-size: .82rem; }
.foot-bottom a { display: inline; }

/* yüzen düğmeler (ikonsuz, yazılı) */
.wa-float, .call-float { position: fixed; right: 18px; z-index: 60; text-decoration: none; font-weight: 700; color: #fff; border-radius: 99px; padding: .8em 1.3em; box-shadow: 0 10px 24px rgba(0,0,0,.28); font-size: .9rem; }
.wa-float { bottom: 18px; background: var(--wa); animation: pulse 2.6s infinite; }
.call-float { bottom: 72px; background: var(--ink); display: none; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(31,168,85,.5), 0 10px 24px rgba(0,0,0,.28); } 60% { box-shadow: 0 0 0 14px rgba(31,168,85,0), 0 10px 24px rgba(0,0,0,.28); } }

/* alt sayfa başlığı */
.page-hero { position: relative; color: #fff; padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 4.5rem); background: linear-gradient(100deg, rgba(10,12,15,.9), rgba(10,12,15,.55)), var(--bg) center/cover; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: .25em; }
.page-hero p { color: #d9dee4; max-width: 62ch; font-size: 1.08rem; }
.crumb { font-size: .85rem !important; color: #b8c0c9 !important; margin-bottom: 1rem; }
.crumb a { text-decoration: none; color: var(--spark2); }

/* detay */
.detail { display: grid; grid-template-columns: 1fr 340px; gap: 2.8rem; align-items: start; }
.detail-cover img { width: 100%; border-radius: var(--radius); aspect-ratio: 16/9; object-fit: cover; box-shadow: var(--shadow); }
.detail-cover { margin: 0 0 2rem; }
.prose { font-size: 1.05rem; } .prose p { margin-bottom: 1.1em; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1.5rem; }
.gallery-sm { grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 6px; transition: opacity .2s; }
.gallery a:hover img { opacity: .85; }
.detail-side { position: sticky; top: 100px; display: grid; gap: 1.2rem; }
.side-box { background: var(--bg2); border-radius: var(--radius); padding: 1.5rem; }
.side-box h3 { font-size: 1.4rem; }
.side-link { display: flex; align-items: center; gap: .8rem; text-decoration: none; padding: .45rem 0; border-top: 1px solid var(--line); font-weight: 600; font-size: .93rem; }
.side-link img { width: 64px; height: 48px; object-fit: cover; border-radius: 4px; }

/* referanslar */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filters button { border: 1px solid var(--line); background: #fff; padding: .5em 1.1em; border-radius: 99px; cursor: pointer; font-weight: 600; font-family: var(--body); }
.filters button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.refs { display: grid; gap: 2rem; }
.ref { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2rem; align-items: start; border-bottom: 1px solid var(--line); padding-bottom: 2rem; }
.ref-img img { width: 100%; border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
.tag { display: inline-block; background: #fff1e6; color: #b24e00; font-size: .78rem; font-weight: 700; padding: .25em .7em; border-radius: 4px; margin-bottom: .6rem; text-transform: uppercase; letter-spacing: .06em; }
.empty { text-align: center; max-width: 620px; margin: 0 auto; padding: 3rem 1rem; }

/* kurumsal */
.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.mv-box { padding: 2.4rem; border-radius: var(--radius); background: var(--bg2); border-left: 5px solid var(--spark); }
.mv-t { font-family: var(--head); font-size: 1.7rem; line-height: 1.25; font-weight: 600; margin: 0; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.value { padding: 1.6rem; border: 1px solid #2c3138; border-radius: var(--radius); background: var(--ink2); }
.value h3 { color: var(--spark2); }
.check { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.check li { padding: .55rem 0 .55rem 1.6rem; border-bottom: 1px solid var(--line); position: relative; }
.check li::before { content: ''; position: absolute; left: 0; top: 1.05rem; width: 10px; height: 10px; background: var(--spark); border-radius: 2px; }
.kunye { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 2rem; background: #fff; border-radius: var(--radius); padding: .6rem 2rem; box-shadow: 0 6px 18px rgba(0,0,0,.05); }
.kunye div { display: flex; flex-direction: column; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.kunye span { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.kunye a { text-decoration: none; border-bottom: 1px dotted; }
.bayi-cta { display: flex; justify-content: space-between; align-items: center; gap: 2rem; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 2.6rem; flex-wrap: wrap; }
.bayi-cta p { color: #c3c9d0; max-width: 60ch; margin: 0; }

/* hakkımızda */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; position: relative; }
.tl { border-top: 3px solid var(--spark); padding-top: 1.2rem; }
.tl b { font-family: var(--head); font-size: 2rem; color: var(--spark2); }
.owner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: center; }
.owner img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; box-shadow: var(--shadow); }

/* iletişim */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 2.5rem; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.c-card { display: flex; flex-direction: column; gap: .3rem; padding: 1.3rem 1.4rem; border-radius: var(--radius); background: var(--bg2); text-decoration: none; border: 1px solid transparent; transition: border-color .2s, transform .2s; }
.c-card:not(.c-static):hover { border-color: var(--spark); transform: translateY(-3px); }
.c-card b { font-size: 1.05rem; line-height: 1.35; }
.c-lbl { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.c-go { font-size: .85rem; font-weight: 700; color: var(--spark); margin-top: auto; }
.c-wa { background: #e9f8ef; } .c-wa .c-go { color: var(--wa); }
.contact-cards .c-card:first-child { grid-column: 1 / -1; }

/* formlar */
.form-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: var(--shadow); }
.form { display: grid; gap: .9rem; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.form label { display: flex; flex-direction: column; gap: .35rem; font-weight: 600; font-size: .88rem; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: .75em .9em; border: 1px solid #cfd4da; border-radius: 6px; background: #fff; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--spark); outline-offset: 1px; border-color: var(--spark); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.flash { padding: .9rem 1.1rem; border-radius: 6px; margin-bottom: 1rem; font-weight: 500; }
.flash-ok { background: #e7f7ec; color: #145c30; border: 1px solid #b9e6c8; }
.flash-err { background: #fdecec; color: #8a1c1c; border: 1px solid #f3c1c1; }
.login-sec { background: var(--bg2); min-height: 60vh; }

/* ışık kutusu */
.lbx { position: fixed; inset: 0; background: rgba(5,6,8,.93); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; cursor: zoom-out; }
.lbx img { max-height: 90vh; max-width: 94vw; border-radius: 6px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }

/* kayarak belirme animasyonu */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.in { opacity: 1; transform: none; }
/* anasayfa üst bölümü beklemeden görünür (ilk izlenim + Google) */
.js .hero .reveal { opacity: 1; transform: none; transition: none; animation: heroIn .9s ease both; }
.js .hero .reveal:nth-child(2) { animation-delay: .1s; } .js .hero .reveal:nth-child(3) { animation-delay: .2s; } .js .hero .reveal:nth-child(4) { animation-delay: .3s; } .js .hero .reveal:nth-child(5) { animation-delay: .4s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .js .reveal, .js .hero .reveal { opacity: 1; transform: none; transition: none; animation: none; } .strip-track, .wa-float { animation: none; } html { scroll-behavior: auto; } }

/* Metal Rehberi */
.articles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.art-card { display: flex; flex-direction: column; text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .3s, box-shadow .3s; }
.art-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(0,0,0,.14); }
.art-img { aspect-ratio: 16/9; overflow: hidden; } .art-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.art-card:hover .art-img img { transform: scale(1.05); }
.art-b { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; } .art-b p { color: var(--muted); flex: 1; }
.art-feat { grid-column: 1 / -1; flex-direction: row; } .art-feat .art-img { flex: 1.2; aspect-ratio: auto; min-height: 320px; } .art-feat .art-b { flex: 1; justify-content: center; padding: 2rem; }
.art-feat h2 { font-size: 2rem; }
.art-h1 { font-size: clamp(2rem, 4.2vw, 3.2rem) !important; text-transform: none; max-width: 24ch; }
.muted-light { color: #aeb6bf !important; }
.article { font-size: 1.07rem; line-height: 1.8; max-width: 780px; }
.article h2 { font-size: 1.9rem; margin: 1.8em 0 .5em; padding-top: .2em; border-top: 3px solid var(--spark); display: inline-block; scroll-margin-top: 100px; }
.article p { margin-bottom: 1.1em; }
.article ul { padding-left: 1.2rem; margin: 0 0 1.2em; } .article li { margin-bottom: .5em; } .article li::marker { color: var(--spark); }
.tbl-wrap { overflow-x: auto; margin: 1em 0 1.6em; }
.art-tbl { width: 100%; border-collapse: collapse; font-size: .93rem; line-height: 1.45; }
.art-tbl th { background: var(--ink); color: #fff; text-align: left; padding: .7em .8em; font-weight: 600; }
.art-tbl td { padding: .65em .8em; border-bottom: 1px solid var(--line); } .art-tbl tr:nth-child(even) td { background: var(--bg2); }
.art-cta { margin-top: 2.5rem; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 1.6rem 1.8rem; }
.art-cta p { color: #c6ccd3; } .art-cta .btn { margin: .3rem .4rem 0 0; }
.toc a { display: block; text-decoration: none; padding: .4rem 0; border-top: 1px solid var(--line); font-size: .92rem; font-weight: 500; }
.toc a:hover { color: var(--spark); }
.home-art { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 1240px) { .menu a { padding: .55rem .55rem; font-size: .9rem; } .menu a:not(.btn)::after { left: .55rem; right: .55rem; } }
@media (max-width: 960px) { .articles, .home-art { grid-template-columns: 1fr; } .art-feat { flex-direction: column; } .art-feat .art-img { min-height: 0; aspect-ratio: 16/9; } }

/* duyarlı */
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .svc { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .burger { display: block; }
  .nav { backdrop-filter: none; -webkit-backdrop-filter: none; background: #fff; }
  .menu { position: fixed; inset: 0 0 0 auto; top: 0; width: min(320px, 86vw); background: #fff; flex-direction: column; align-items: stretch; padding: 90px 22px 22px; transform: translateX(100%); transition: transform .35s; box-shadow: -10px 0 40px rgba(0,0,0,.2); z-index: 55; }
  .menu.open { transform: none; }
  .menu a { padding: .9rem .6rem; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .menu .btn { margin: 1rem 0 0; }
  .burger { position: relative; z-index: 56; }
  .burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .split, .map-grid, .detail, .contact-grid, .owner, .ref, .mv { grid-template-columns: 1fr; }
  .detail-side { position: static; }
  .stats-in, .steps, .timeline { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: 1fr 1fr; }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .topbar-in > span:first-child { display: none; }
  .call-float { display: block; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .cards, .cards-3, .svc, .values, .kunye, .contact-cards, .f2, .gallery { grid-template-columns: 1fr; }
  .gallery-sm { grid-template-columns: repeat(3, 1fr); }
  .stat b { font-size: 2.5rem; }
  .foot-grid { grid-template-columns: 1fr; }
  .topbar-r a { margin: 0 .9rem 0 0; }
  .brand-t b { font-size: 1.4rem; } .brand-t small { font-size: .66rem; letter-spacing: .16em; }
  .strip-track img { height: 130px; }
  .split-img-2 { display: none; } .split-img { padding-bottom: 0; }
  .hero-in { padding: 4.5rem 0 3.5rem; }
}