/* =========================================================
   CES MERMER — cesmermer.com
   Tasarım & kodlama: Sanatüstü Web Tasarım Ajansı
   Yazı tipleri: Marcellus (başlık, Roma taş kitabelerinden esinli) · Hanken Grotesk (metin)
   ========================================================= */

/* ---------- Yazı tipleri (yerel) ---------- */
@font-face { font-family: 'Marcellus'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/marcellus-latin-400-normal.woff2') format('woff2'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Marcellus'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/marcellus-latin-ext-400-normal.woff2') format('woff2'); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 100 900; font-display: swap; src: url('../fonts/hanken-grotesk-latin-wght-normal.woff2') format('woff2-variations'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 100 900; font-display: swap; src: url('../fonts/hanken-grotesk-latin-ext-wght-normal.woff2') format('woff2-variations'); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }

/* ---------- Değişkenler ---------- */
:root {
    --ink: #1b2328;
    --ink-2: #4b565d;
    --muted: #87908f;
    --line: #e4dfd6;
    --line-2: #d6cfc3;
    --bg: #fbfaf7;
    --stone: #f3efe8;
    --stone-2: #ebe5da;
    --paper: #fff;
    --blue: #0a5e83;
    --blue-2: #0c6d97;
    --blue-d: #073f59;
    --blue-dd: #052a3c;
    --gold: #b0905e;
    --gold-l: #d7c2a0;
    --ff-serif: 'Marcellus', 'Times New Roman', serif;
    --ff-sans: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --container: 1240px;
    --gut: 24px;
    --hh: 82px;
    --ease: cubic-bezier(.22, .61, .36, 1);
    --shadow: 0 24px 50px -30px rgba(7, 40, 56, .35);
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--hh) + 10px); }
body { margin: 0; font-family: var(--ff-sans); font-size: 14px; line-height: 1.75; color: var(--ink-2); background: var(--bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; overflow-x: hidden; }
img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, h5 { font-family: var(--ff-serif); font-weight: 400; color: var(--ink); line-height: 1.25; margin: 0 0 .6em; letter-spacing: .005em; }
p { margin: 0 0 1.1em; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.ik { flex: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gut); }
.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--blue); color: #fff; padding: 8px 14px; z-index: 1000; font-size: 12px; }
.skip-link:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Tipografi yardımcıları ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 16px; font-size: 10.5px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase; color: var(--gold); }
.eyebrow::before { content: ''; width: 28px; height: 1px; background: currentColor; }
.eyebrow--light { color: var(--gold-l); }
.sec { padding: 96px 0; }
.sec--stone { background: var(--stone); }
.sec--white { background: var(--paper); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 46px; }
.sec-head__l { max-width: 640px; }
.sec-title { font-size: clamp(22px, 2.3vw, 31px); margin: 0 0 12px; }
.sec-lead { font-size: 14.5px; color: var(--ink-2); margin: 0; max-width: 560px; }
.center { text-align: center; }
.center .sec-head__l, .center .sec-lead { margin-left: auto; margin-right: auto; }
.center .eyebrow::after { content: ''; width: 28px; height: 1px; background: currentColor; }

/* ---------- Butonlar ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 46px; padding: 0 26px; font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: #fff; background: var(--blue); border: 1px solid var(--blue); transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease); white-space: nowrap; }
.btn:hover { background: var(--blue-d); border-color: var(--blue-d); }
.btn .ik { transition: transform .3s var(--ease); }
.btn:hover .ik { transform: translateX(3px); }
.btn--line { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--line:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn--light { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn--white { background: #fff; color: var(--blue-d); border-color: #fff; }
.btn--white:hover { background: var(--gold-l); border-color: var(--gold-l); color: var(--blue-dd); }
.btn--dark { background: var(--ink); border-color: var(--ink); }
.btn--dark:hover { background: var(--blue); border-color: var(--blue); }
.btn--sm { height: 38px; padding: 0 18px; font-size: 10.5px; }
.link-arrow { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); }
.link-arrow .ik { transition: transform .3s var(--ease); }
.link-arrow:hover .ik { transform: translateX(4px); }

/* ---------- HEADER ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(251, 250, 247, .96); backdrop-filter: saturate(1.2) blur(10px); -webkit-backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 10px 30px -24px rgba(0,0,0,.35); }
.site-header__in { display: flex; align-items: center; gap: 30px; height: var(--hh); transition: height .3s var(--ease); }
.site-header.is-scrolled .site-header__in { height: 68px; }
.brand { flex: none; display: block; }
.brand img { height: 77px; width: auto; transition: height .3s var(--ease); }
.site-header.is-scrolled .brand img { height: 42px; }
.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; display: flex; align-items: center; }
.main-nav > ul > li > a { display: block; padding: 10px 13px; font-size: 11.5px; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--ink); position: relative; }
.main-nav > ul > li > a::after { content: ''; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.main-nav > ul > li:hover > a, .main-nav > ul > li.is-active > a { color: var(--blue); }
.main-nav > ul > li:hover > a::after, .main-nav > ul > li.is-active > a::after { transform: scaleX(1); }
.sub-toggle { display: none; }
.has-sub > a { padding-right: 13px; }
.sub { position: absolute; top: 100%; left: 0; min-width: 250px; padding: 12px 0; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .3s var(--ease); }
.sub::before { content: ''; position: absolute; top: -1px; left: 0; width: 46px; height: 2px; background: var(--blue); }
.has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.sub a { display: block; padding: 7px 22px; font-size: 13px; color: var(--ink-2); }
.sub a:hover { color: var(--blue); background: var(--stone); }
.main-nav__foot { display: none; }
.btn-katalog { flex: none; display: inline-flex; align-items: center; gap: 9px; height: 42px; padding: 0 16px 0 15px; color: #fff; background: var(--blue); font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; position: relative; overflow: hidden; transition: background .3s; }
.btn-katalog::before { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%); transform: translateX(-120%); animation: parilti 5s ease-in-out infinite; }
.btn-katalog small { font-size: 9.5px; letter-spacing: .1em; padding: 2px 6px; border: 1px solid rgba(255,255,255,.45); color: var(--gold-l); }
.btn-katalog:hover, .btn-katalog.is-active { background: var(--blue-d); }
@keyframes parilti { 0%, 60% { transform: translateX(-120%); } 85%, 100% { transform: translateX(120%); } }
.nav-toggle { display: none; width: 42px; height: 42px; position: relative; margin-right: -8px; }
.nav-toggle span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s; }
.nav-toggle span:nth-child(1) { top: 14px; } .nav-toggle span:nth-child(2) { top: 20px; } .nav-toggle span:nth-child(3) { top: 26px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- HERO SLIDER ---------- */
.hero { position: relative; height: calc(100svh - var(--hh)); min-height: 540px; max-height: 860px; overflow: hidden; background: var(--blue-dd); color: #fff; }
.hero__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.4s var(--ease), visibility 1.4s; }
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.hero__img { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.1); transition: transform 8s linear; }
.hero__slide.is-active .hero__img { transform: scale(1); }
.hero__slide::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,26,38,.82) 0%, rgba(5,26,38,.5) 42%, rgba(5,26,38,.08) 75%), linear-gradient(0deg, rgba(5,26,38,.55), transparent 40%); }
.hero__content { position: absolute; z-index: 2; inset: 0; display: flex; align-items: center; }
.hero__text { max-width: 600px; }
.hero__text > * { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.hero__slide.is-active .hero__text > * { opacity: 1; transform: none; }
.hero__slide.is-active .hero__text > :nth-child(2) { transition-delay: .15s; }
.hero__slide.is-active .hero__text > :nth-child(3) { transition-delay: .3s; }
.hero__slide.is-active .hero__text > :nth-child(4) { transition-delay: .45s; }
.hero__title { color: #fff; font-size: clamp(28px, 2.5vw, 46px); line-height: 1.16; margin: 0 0 20px; }
.hero__desc { font-size: 14.5px; color: rgba(255,255,255,.82); max-width: 470px; margin: 0 0 32px; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__ui { position: absolute; z-index: 3; left: 0; right: 0; bottom: 38px; }
.hero__ui .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.hero__dots { display: flex; gap: 18px; }
.hero__dot { display: flex; flex-direction: column; gap: 8px; width: 74px; text-align: left; color: rgba(255,255,255,.55); font-size: 10.5px; letter-spacing: .14em; font-weight: 600; }
.hero__dot i { display: block; height: 1px; background: rgba(255,255,255,.28); position: relative; overflow: hidden; }
.hero__dot i::after { content: ''; position: absolute; inset: 0; background: #fff; transform: scaleX(0); transform-origin: left; }
.hero__dot.is-active { color: #fff; }
.hero__dot.is-active i::after { animation: ilerle var(--sure, 7s) linear forwards; }
.hero.is-paused .hero__dot.is-active i::after { animation-play-state: paused; }
@keyframes ilerle { to { transform: scaleX(1); } }
.hero__arrows { display: flex; gap: 8px; }
.hero__arrows button { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); color: #fff; transition: background .3s, border-color .3s; }
.hero__arrows button:hover { background: #fff; color: var(--ink); border-color: #fff; }
.hero__scroll { position: absolute; z-index: 3; right: 30px; top: 50%; transform: translateY(-50%) rotate(90deg); transform-origin: right center; font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 12px; }
.hero__scroll::after { content: ''; width: 46px; height: 1px; background: rgba(255,255,255,.45); }

/* ---------- Slogan bandı ---------- */
.band { border-bottom: 1px solid var(--line); background: var(--paper); }
.band__in { display: grid; grid-template-columns: repeat(4, 1fr); }
.band__item { display: flex; align-items: center; gap: 14px; padding: 24px 22px; border-left: 1px solid var(--line); }
.band__item:last-child { border-right: 1px solid var(--line); }
.band__item .ik { color: var(--blue); }
.band__item strong { display: block; font-family: var(--ff-serif); font-weight: 400; font-size: 15px; color: var(--ink); line-height: 1.3; }
.band__item span { font-size: 12px; color: var(--muted); }

/* ---------- Hakkımızda (anasayfa) ---------- */
.about { display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: center; }
.about__media { position: relative; }
.about__media .m1 { aspect-ratio: 4/4.4; object-fit: cover; width: 100%; }
.about__media .m2 { position: absolute; right: 0; bottom: 0; width: 46%; aspect-ratio: 1; object-fit: cover; border: 10px solid var(--bg); }
.about__badge { position: absolute; left: -1px; bottom: 30px; background: var(--blue); color: #fff; padding: 20px 24px; display: flex; align-items: center; gap: 14px; }
.about__badge b { font-family: var(--ff-serif); font-weight: 400; font-size: 40px; line-height: 1; }
.about__badge span { font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; line-height: 1.5; }
.about__text .sec-title { max-width: 480px; }
.about__text p { font-size: 14.5px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: 34px 0 34px; border-top: 1px solid var(--line); }
.stat { padding: 22px 12px 0 0; }
.stat b { display: block; font-family: var(--ff-serif); font-weight: 400; font-size: 34px; line-height: 1; color: var(--blue); }
.stat span { display: block; margin-top: 8px; font-size: 11px; letter-spacing: .08em; color: var(--muted); line-height: 1.4; }

/* ---------- Hizmet kartları ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc { position: relative; background: var(--paper); padding: 34px 32px 32px; display: flex; flex-direction: column; min-height: 300px; overflow: hidden; isolation: isolate; }
.svc__bg { position: absolute; inset: 0; z-index: -1; background-size: cover; background-position: center; opacity: 0; transform: scale(1.06); transition: opacity .6s var(--ease), transform 1.2s var(--ease); }
.svc__bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,30,43,.92), rgba(5,30,43,.55)); }
.svc:hover .svc__bg { opacity: 1; transform: none; }
.svc__no { font-family: var(--ff-serif); font-size: 13px; color: var(--gold); letter-spacing: .1em; }
.svc__ik { margin: 26px 0 22px; width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--line-2); color: var(--blue); transition: all .5s var(--ease); }
.svc h3 { font-size: 18px; margin-bottom: 10px; transition: color .4s; }
.svc p { font-size: 13.5px; margin-bottom: 24px; transition: color .4s; }
.svc .link-arrow { margin-top: auto; transition: color .4s; }
.svc:hover h3, .svc:hover .link-arrow { color: #fff; }
.svc:hover p { color: rgba(255,255,255,.78); }
.svc:hover .svc__ik { border-color: rgba(255,255,255,.4); color: var(--gold-l); }
.svc--plain { min-height: 0; transition: background .4s var(--ease); }
.svc--plain:hover { background: var(--stone); }
.svc--plain:hover h3 { color: var(--blue); }
.svc--plain:hover p { color: var(--ink-2); }
.svc--plain:hover .svc__ik { border-color: var(--blue); color: #fff; background: var(--blue); }

/* ---------- Proje kartları ---------- */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 270px; gap: 14px; }
.pgrid .pcard--big { grid-column: span 2; grid-row: span 2; }
.pgrid .pcard--wide { grid-column: span 2; }
.pcard { position: relative; overflow: hidden; display: block; background: var(--stone-2); }
.pcard img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.pcard::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,26,38,.85) 0%, rgba(5,26,38,.15) 50%, transparent 70%); transition: opacity .5s; }
.pcard__in { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: 22px 24px; color: #fff; }
.pcard__cat { font-size: 10px; letter-spacing: .24em; text-transform: uppercase; color: var(--gold-l); }
.pcard__title { font-size: 17px; color: #fff; margin: 6px 0 0; line-height: 1.3; }
.pcard--big .pcard__title { font-size: 22px; }
.pcard__loc { display: flex; align-items: center; gap: 6px; margin-top: 6px; font-size: 12px; color: rgba(255,255,255,.7); max-height: 0; opacity: 0; transition: all .5s var(--ease); }
.pcard__arrow { position: absolute; z-index: 2; top: 20px; right: 20px; width: 40px; height: 40px; display: grid; place-items: center; background: #fff; color: var(--ink); opacity: 0; transform: translate(-8px, 8px); transition: all .5s var(--ease); }
.pcard:hover img { transform: scale(1.06); }
.pcard:hover .pcard__loc { max-height: 30px; opacity: 1; }
.pcard:hover .pcard__arrow { opacity: 1; transform: none; }

/* Proje liste kartı */
.plist { display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px 30px; }
.pitem { display: block; }
.pitem__img { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--stone-2); }
.pitem__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.pitem__img::after { content: ''; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,0); transition: all .5s var(--ease); }
.pitem:hover .pitem__img img { transform: scale(1.05); }
.pitem:hover .pitem__img::after { inset: 14px; border-color: rgba(255,255,255,.7); }
.pitem__count { position: absolute; z-index: 2; right: 12px; bottom: 12px; display: flex; align-items: center; gap: 6px; padding: 5px 10px; font-size: 11px; background: rgba(255,255,255,.92); color: var(--ink); }
.pitem__meta { display: flex; gap: 12px; align-items: center; margin: 18px 0 8px; font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.pitem__meta span + span::before { content: '·'; margin-right: 12px; color: var(--line-2); }
.pitem__meta span:nth-child(2) { color: var(--muted); letter-spacing: .12em; }
.pitem h3 { font-size: 17.5px; margin: 0 0 8px; transition: color .3s; }
.pitem:hover h3 { color: var(--blue); }
.pitem p { font-size: 13.5px; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pitem.is-hidden { display: none; }

/* Filtre */
.filters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 50px; }
.filters a { display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 18px; font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); border: 1px solid var(--line-2); transition: all .3s var(--ease); }
.filters a sup { font-size: 9.5px; color: var(--muted); letter-spacing: 0; top: 0; }
.filters a:hover { border-color: var(--ink); color: var(--ink); }
.filters a.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.filters a.is-active sup { color: var(--gold-l); }

/* ---------- KATALOG bandı ---------- */
.katalog { position: relative; overflow: hidden; background: var(--blue-dd); color: #fff; }
.katalog__bg { position: absolute; inset: -40px; background-size: 260% auto; background-position: 0 0; opacity: .5; filter: blur(2px) saturate(1.1); }
.katalog::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(5,42,60,.92) 0%, rgba(5,42,60,.6) 55%, rgba(5,42,60,.85) 100%); }
.katalog__in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 1fr; gap: 70px; align-items: center; padding: 96px var(--gut); }
.book { position: relative; perspective: 1600px; max-width: 540px; }
.book__cover { position: relative; transform: rotateY(-14deg) rotateX(4deg); transform-origin: left center; transition: transform .9s var(--ease); box-shadow: 30px 40px 60px -20px rgba(0,0,0,.6); }
.book__cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.book__cover::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 18px; background: linear-gradient(90deg, rgba(0,0,0,.35), rgba(255,255,255,.12) 60%, transparent); z-index: 1; }
.book__pages { position: absolute; inset: 6px -10px -6px 10px; background: repeating-linear-gradient(90deg, #f3efe8 0 2px, #e2dbcf 2px 3px); transform: rotateY(-14deg) rotateX(4deg); transform-origin: left center; z-index: -1; transition: transform .9s var(--ease); }
.book:hover .book__cover, .book:hover .book__pages { transform: rotateY(-4deg) rotateX(1deg); }
.katalog__tag { position: absolute; z-index: 3; right: -12px; top: -16px; width: 86px; height: 86px; border-radius: 50%; background: var(--gold); color: #fff; display: grid; place-items: center; text-align: center; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; line-height: 1.3; box-shadow: 0 12px 30px -10px rgba(0,0,0,.5); }
.katalog__tag b { display: block; font-family: var(--ff-serif); font-weight: 400; font-size: 20px; letter-spacing: 0; }
.katalog__title { color: #fff; font-size: clamp(24px, 2.6vw, 34px); }
.katalog p { color: rgba(255,255,255,.78); font-size: 14.5px; max-width: 470px; }
.katalog__list { display: flex; flex-wrap: wrap; gap: 8px 26px; margin: 22px 0 32px; font-size: 12.5px; color: rgba(255,255,255,.85); }
.katalog__list li { display: flex; align-items: center; gap: 8px; }
.katalog__list .ik { color: var(--gold-l); }
.katalog__btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Referanslar ---------- */
.ref-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.ref { margin: 0; background: var(--paper); border: 1px solid var(--line); aspect-ratio: 16/10; display: grid; place-items: center; padding: 6px; position: relative; overflow: hidden; transition: border-color .4s, box-shadow .4s; }
.ref:hover { border-color: var(--line-2); box-shadow: 0 18px 40px -30px rgba(7,40,56,.45); }
.ref img { width: 100%; height: 100%; object-fit: contain; transition: transform .6s var(--ease), filter .6s; filter: grayscale(.15); }
.ref:hover img { transform: scale(1.05); filter: none; }
.ref figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 7px 10px; font-size: 11px; text-align: center; color: var(--ink-2); background: rgba(255,255,255,.95); border-top: 1px solid var(--line); transform: translateY(100%); transition: transform .4s var(--ease); }
.ref:hover figcaption { transform: none; }
.marquee { overflow: hidden; position: relative; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; width: max-content; gap: 14px; animation: kay 60s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee .ref { width: 200px; flex: none; border: 1px solid var(--line); }
@keyframes kay { to { transform: translateX(calc(-50% - 7px)); } }

/* ---------- CTA ---------- */
.cta { background: var(--stone); border-top: 1px solid var(--line); }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-top: 64px; padding-bottom: 64px; }
.cta__title { font-size: clamp(20px, 2.1vw, 28px); margin: 0; max-width: 560px; }
.cta__act { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
.cta__tel { font-family: var(--ff-serif); font-size: 22px; color: var(--ink); line-height: 1.2; }
.cta__tel small { display: block; font-family: var(--ff-sans); font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.cta__tel:hover { color: var(--blue); }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--paper); border-top: 1px solid var(--line); position: relative; }
.site-footer::before { content: ''; position: absolute; inset: 0; background: radial-gradient(1200px 400px at 85% 0%, rgba(10,94,131,.05), transparent 60%); pointer-events: none; }
.site-footer__grid { position: relative; display: grid; grid-template-columns: 1.15fr .8fr 1fr 1.35fr; gap: 50px; padding-top: 74px; padding-bottom: 60px; }
.f-logo img { width: 84px; height: auto; }
.f-slogan { font-family: var(--ff-serif); font-size: 15.5px; color: var(--ink); line-height: 1.45; margin: 24px 0 8px; max-width: 250px; }
.f-desc { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.f-social { display: flex; gap: 8px; margin-top: 20px; }
.f-social a { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line-2); color: var(--ink-2); transition: all .3s; }
.f-social a:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.f-col h3 { font-family: var(--ff-sans); font-size: 10.5px; font-weight: 700; letter-spacing: .26em; text-transform: uppercase; color: var(--ink); margin: 6px 0 22px; }
.f-col li { margin-bottom: 9px; font-size: 13.5px; }
.f-col a:hover { color: var(--blue); }
.f-contact li { display: flex; gap: 12px; align-items: flex-start; line-height: 1.6; }
.f-contact .ik { color: var(--blue); margin-top: 3px; }
.f-katalog { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); border-bottom: 1px solid currentColor; padding-bottom: 3px; }
.f-katalog:hover { color: var(--blue-d); }
.f-bottom { background: var(--blue-dd); color: rgba(255,255,255,.62); font-size: 12px; }
.f-bottom__in { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px; }
.f-bottom p { margin: 0; }
.f-legal { display: flex; gap: 22px; flex-wrap: wrap; }
.f-legal a, .f-legal button { color: rgba(255,255,255,.7); font-size: 12px; }
.f-legal a:hover, .f-legal button:hover { color: #fff; }
.imza { display: inline-flex; align-items: center; gap: 10px; color: rgba(255,255,255,.6); font-size: 11px; letter-spacing: .1em; }
.imza img { height: 13px; width: auto; opacity: .85; transition: opacity .3s; }
.imza:hover { color: #fff; }
.imza:hover img { opacity: 1; }

/* ---------- Yüzen butonlar ---------- */
.wa-float { position: fixed; z-index: 90; right: 22px; bottom: 22px; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: #1f9d55; color: #fff; box-shadow: 0 14px 30px -12px rgba(0,0,0,.45); transition: transform .3s var(--ease); }
.wa-float:hover { transform: translateY(-3px); }
.wa-float .ik { stroke-width: 1.8; }
.to-top { position: fixed; z-index: 90; right: 30px; bottom: 88px; width: 38px; height: 38px; display: grid; place-items: center; background: var(--paper); border: 1px solid var(--line-2); color: var(--ink); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease); }
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- Çerez bildirimi ---------- */
.cerez { position: fixed; z-index: 200; left: 22px; bottom: 22px; max-width: 520px; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 30px 60px -25px rgba(0,0,0,.4); padding: 22px 24px; display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; animation: yuksel .6s var(--ease); }
.cerez[hidden] { display: none; }
.cerez__ik { color: var(--gold); padding-top: 2px; }
.cerez__txt strong { font-family: var(--ff-serif); font-weight: 400; font-size: 16px; color: var(--ink); }
.cerez__txt p { margin: 4px 0 0; font-size: 12.5px; line-height: 1.65; }
.cerez__txt a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.cerez__btn { grid-column: 2; display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
@keyframes yuksel { from { opacity: 0; transform: translateY(20px); } }

/* ---------- İÇ SAYFA BAŞLIĞI ---------- */
.page-hero { position: relative; overflow: hidden; background: var(--blue-dd); color: #fff; }
.page-hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; animation: hafifZoom 14s ease-out both; }
.page-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,30,43,.55), rgba(5,30,43,.12)); }
.page-hero--plain { background: var(--blue-dd) url('../img/anasayfa/ces-mermer-katalog-2026-kapak.webp') 0 0 / 260% auto no-repeat; }
.page-hero__in { position: relative; z-index: 2; padding-top: 40px; padding-bottom: 35px; }
.page-hero__title { color: #fff; font-size: clamp(26px, 3vw, 40px); margin: 0 0 16px; max-width: 820px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.6); margin: 0; }
.crumbs a:hover { color: #fff; }
.crumbs em { font-style: normal; color: rgba(255,255,255,.9); }
@keyframes hafifZoom { from { transform: scale(1.08); } }

/* ---------- Metin içeriği ---------- */
.prose { font-size: 14.5px; color: var(--ink-2); }
.prose h2 { font-size: 22px; margin: 1.6em 0 .6em; }
.prose h3 { font-size: 18px; margin: 1.7em 0 .6em; color: var(--ink); }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 0; }
.prose ul li { position: relative; padding-left: 22px; margin-bottom: 8px; }
.prose ul li::before { content: ''; position: absolute; left: 0; top: .78em; width: 10px; height: 1px; background: var(--gold); }
.prose ol { padding-left: 20px; list-style: decimal; }
.prose a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose img { margin: 1.5em 0; }
.prose > :first-child { margin-top: 0; }
.lead { font-family: var(--ff-serif); font-size: clamp(17px, 1.6vw, 21px); line-height: 1.55; color: var(--ink); }

/* Yasal sayfa */
.legal { display: grid; grid-template-columns: 260px 1fr; gap: 70px; }
.legal__nav { position: sticky; top: calc(var(--hh) + 30px); align-self: start; border-top: 2px solid var(--blue); padding-top: 20px; }
.legal__nav a { display: block; padding: 10px 0; font-size: 13px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.legal__nav a.is-active, .legal__nav a:hover { color: var(--blue); }
.legal__nav small { display: block; margin-top: 18px; font-size: 11.5px; color: var(--muted); }
.legal .prose { max-width: 780px; }

/* ---------- Hakkımızda sayfası ---------- */
.ab-intro { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: start; }
.ab-intro__l { position: sticky; top: calc(var(--hh) + 30px); }
.ab-intro__l img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.ab-quote { font-family: var(--ff-serif); font-size: clamp(20px, 2vw, 26px); line-height: 1.4; color: var(--ink); margin: 0 0 30px; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.value { background: var(--paper); padding: 34px 28px; }
.value .ik { color: var(--blue); margin-bottom: 22px; }
.value h3 { font-size: 17px; margin-bottom: 8px; }
.value p { font-size: 13.5px; margin: 0; }
.stats-band { background: var(--blue-dd); color: #fff; position: relative; overflow: hidden; }
.stats-band::before { content: ''; position: absolute; inset: 0; background: url('../img/anasayfa/ces-mermer-katalog-2026-kapak.webp') 0 0 / 260% auto no-repeat; opacity: .35; }
.stats-band .container { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-band .stat { padding: 54px 24px; border-left: 1px solid rgba(255,255,255,.12); text-align: center; }
.stats-band .stat:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.stats-band .stat b { color: #fff; font-size: 44px; }
.stats-band .stat span { color: rgba(255,255,255,.7); }

/* ---------- Hizmetler sayfası ---------- */
.svc-rows { display: grid; gap: 90px; }
.svc-row { display: grid; grid-template-columns: 1.1fr 1fr; gap: 70px; align-items: center; }
.svc-row:nth-child(even) .svc-row__img { order: 2; }
.svc-row__img { position: relative; overflow: hidden; }
.svc-row__img img { width: 100%; aspect-ratio: 5/4; object-fit: cover; transition: transform 1.2s var(--ease); }
.svc-row:hover .svc-row__img img { transform: scale(1.04); }
.svc-row__no { position: absolute; left: 0; top: 0; background: var(--paper); color: var(--gold); font-family: var(--ff-serif); font-size: 15px; padding: 14px 18px; }
.svc-row h2 { font-size: clamp(21px, 2vw, 27px); }
.svc-row__slogan { font-family: var(--ff-serif); color: var(--blue); font-size: 15px; margin-bottom: 16px; }
.svc-row p { font-size: 14.5px; }

/* Hizmet detay */
.detail { display: grid; grid-template-columns: 1fr 330px; gap: 70px; align-items: start; }
.detail__img { width: 100%; aspect-ratio: 16/9; object-fit: cover; margin-bottom: 40px; }
.side { position: sticky; top: calc(var(--hh) + 30px); display: grid; gap: 24px; }
.side-box { background: var(--paper); border: 1px solid var(--line); padding: 28px; }
.side-box h3 { font-family: var(--ff-sans); font-size: 10.5px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; margin-bottom: 16px; }
.side-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); }
.side-list li:last-child a { border-bottom: 0; }
.side-list a:hover, .side-list a.is-active { color: var(--blue); }
.side-list a.is-active { font-weight: 600; }
.side-cta { background: var(--blue-dd); color: #fff; padding: 30px 28px; }
.side-cta h3 { color: #fff; font-family: var(--ff-serif); font-size: 19px; letter-spacing: 0; text-transform: none; font-weight: 400; }
.side-cta p { font-size: 13px; color: rgba(255,255,255,.75); }
.side-cta a.tel { display: block; font-family: var(--ff-serif); font-size: 20px; color: #fff; margin: 4px 0 18px; }
.steps { display: grid; gap: 0; margin-top: 46px; border-top: 1px solid var(--line); counter-reset: adim; }
.step { display: grid; grid-template-columns: 60px 44px 1fr; gap: 18px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line); counter-increment: adim; }
.step::before { content: counter(adim, decimal-leading-zero); font-family: var(--ff-serif); color: var(--gold); font-size: 15px; padding-top: 10px; }
.step .ik { color: var(--blue); margin-top: 8px; }
.step h3 { font-size: 16px; margin: 6px 0 4px; }
.step p { font-size: 13.5px; margin: 0; }

/* ---------- Proje detay ---------- */
.pd-intro { display: grid; grid-template-columns: 1.4fr 1fr; gap: 70px; align-items: start; }
.pd-facts { background: var(--paper); border: 1px solid var(--line); }
.pd-fact { display: flex; gap: 16px; align-items: center; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.pd-fact:last-child { border-bottom: 0; }
.pd-fact .ik { color: var(--blue); }
.pd-fact small { display: block; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.pd-fact b { display: block; font-weight: 500; color: var(--ink); font-size: 14px; }
.pd-bolum { padding-top: 70px; }
.pd-bolum__head { display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: baseline; margin-bottom: 26px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.pd-bolum__no { font-family: var(--ff-serif); font-size: 34px; color: var(--line-2); line-height: 1; }
.pd-bolum h2 { font-size: clamp(19px, 1.8vw, 24px); margin: 0 0 4px; }
.pd-bolum__head p { margin: 0; font-size: 13.5px; color: var(--muted); font-style: italic; font-family: var(--ff-serif); }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; grid-auto-flow: dense; gap: 10px; }
.gallery a { position: relative; overflow: hidden; display: block; background: var(--stone-2); }
.gallery a.g-big { grid-column: span 2; grid-row: span 2; }
.gallery--az { grid-auto-rows: 260px; }
.gallery--n1 { grid-template-columns: minmax(0, 720px); grid-auto-rows: 440px; }
.gallery--n2 { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 360px; }
.gallery--n3 { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 320px; }
.gallery--n4 { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 300px; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease), opacity .4s; }
.gallery a::after { content: ''; position: absolute; inset: 0; background: rgba(5,26,38,.35) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.5'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center no-repeat; opacity: 0; transition: opacity .4s; }
.gallery a:hover img { transform: scale(1.05); }
.gallery a:hover::after { opacity: 1; }
.pd-nav { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 90px; }
.pd-nav a { display: flex; align-items: center; gap: 20px; padding: 30px 0; }
.pd-nav a + a { justify-content: flex-end; text-align: right; border-left: 1px solid var(--line); }
.pd-nav small { display: block; font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.pd-nav b { font-family: var(--ff-serif); font-weight: 400; font-size: 17px; color: var(--ink); transition: color .3s; }
.pd-nav a:hover b { color: var(--blue); }
.pd-nav .ik { color: var(--blue); }

/* ---------- İletişim ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: 70px; align-items: start; }
.c-list { display: grid; gap: 0; border-top: 1px solid var(--line); margin: 30px 0; }
.c-item { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.c-item .ik { color: var(--blue); margin-top: 3px; }
.c-item small { display: block; font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }
.c-item a, .c-item span { color: var(--ink); font-size: 14.5px; }
.c-item a:hover { color: var(--blue); }
.form-card { background: var(--paper); border: 1px solid var(--line); padding: 44px 44px 40px; }
.form-card h2 { font-size: 22px; margin-bottom: 6px; }
.form-card > p { font-size: 13.5px; margin-bottom: 28px; }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.f { position: relative; }
.f--full { grid-column: 1 / -1; }
.f label { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink); margin-bottom: 8px; }
.f input, .f select, .f textarea { width: 100%; font: inherit; font-size: 14px; color: var(--ink); background: var(--bg); border: 1px solid var(--line-2); border-radius: 0; padding: 12px 14px; transition: border-color .3s, background .3s; -webkit-appearance: none; appearance: none; }
.f select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231b2328' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.f textarea { min-height: 140px; resize: vertical; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--blue); background: #fff; }
.chk { display: flex; gap: 12px; align-items: flex-start; font-size: 12.5px; line-height: 1.6; cursor: pointer; }
.chk input, .f .chk input { flex: none; width: 17px; height: 17px; margin: 2px 0 0; padding: 0; accent-color: var(--blue); -webkit-appearance: auto; appearance: auto; background: #fff; }
.chk a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-msg { display: none; margin-top: 18px; padding: 14px 16px; font-size: 13.5px; border-left: 3px solid; }
.form-msg.is-ok { display: block; background: #eef6f1; border-color: #1f9d55; color: #18603a; }
.form-msg.is-err { display: block; background: #fbefee; border-color: #c0392b; color: #8e2b20; }
.btn.is-loading { pointer-events: none; opacity: .7; }
.map { height: 440px; background: var(--stone-2); filter: grayscale(.35) contrast(1.05); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- E-Katalog ---------- */
.ek-top { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; margin-bottom: 34px; }
.ek-top .sec-title { margin: 0; }
.ek-info { display: flex; flex-wrap: wrap; gap: 6px 26px; font-size: 12.5px; color: var(--muted); margin-top: 12px; }
.ek-info span { display: inline-flex; align-items: center; gap: 7px; }
.ek-info .ik { color: var(--blue); }
.viewer { background: #1d2427; border: 1px solid #12181b; position: relative; }
.viewer:fullscreen { display: flex; flex-direction: column; }
.viewer__bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 14px; background: #12181b; color: rgba(255,255,255,.8); font-size: 12.5px; flex-wrap: wrap; }
.viewer__grp { display: flex; align-items: center; gap: 4px; }
.viewer__bar button, .viewer__bar a { width: 38px; height: 38px; display: grid; place-items: center; color: rgba(255,255,255,.85); border: 1px solid transparent; transition: all .25s; }
.viewer__bar button:hover, .viewer__bar a:hover { border-color: rgba(255,255,255,.25); color: #fff; }
.viewer__bar button:disabled { opacity: .3; pointer-events: none; }
.viewer__page { display: flex; align-items: center; gap: 8px; padding: 0 8px; letter-spacing: .06em; }
.viewer__page input { width: 46px; height: 30px; text-align: center; font: inherit; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); }
.viewer__stage { position: relative; overflow: auto; height: min(78vh, 760px); display: flex; align-items: flex-start; justify-content: center; padding: 26px; background: radial-gradient(800px 400px at 50% 0%, #2c3539, #1d2427); }
.viewer:fullscreen .viewer__stage { height: auto; flex: 1; }
.viewer__stage canvas { box-shadow: 0 30px 60px -20px rgba(0,0,0,.7); background: #fff; margin: auto; max-width: none; }
.viewer__load { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.7); font-size: 13px; letter-spacing: .1em; }
.viewer__load::before { content: ''; width: 34px; height: 34px; border: 2px solid rgba(255,255,255,.15); border-top-color: var(--gold-l); border-radius: 50%; animation: don 1s linear infinite; margin-bottom: 60px; grid-area: 1/1; }
.viewer__load span { grid-area: 1/1; margin-top: 30px; }
@keyframes don { to { transform: rotate(360deg); } }
.viewer__side { position: absolute; top: 50%; z-index: 2; width: 46px; height: 46px; display: grid; place-items: center; background: rgba(18,24,27,.75); color: #fff; transform: translateY(-50%); transition: background .3s; }
.viewer__side:hover { background: var(--blue); }
.viewer__side--l { left: 12px; } .viewer__side--r { right: 12px; }
.thumbs { display: flex; gap: 8px; overflow-x: auto; padding: 12px; background: #12181b; scrollbar-width: thin; }
.thumbs button { flex: none; width: 96px; border: 2px solid transparent; opacity: .55; transition: all .25s; position: relative; }
.thumbs button canvas { width: 100%; height: auto; display: block; }
.thumbs button span { position: absolute; left: 4px; bottom: 3px; font-size: 10px; color: #fff; text-shadow: 0 1px 3px #000; }
.thumbs button.is-active, .thumbs button:hover { opacity: 1; border-color: var(--gold-l); }

/* ---------- 404 ---------- */
.nf { text-align: center; padding: 120px 0; }
.nf b { display: block; font-family: var(--ff-serif); font-weight: 400; font-size: clamp(80px, 12vw, 150px); line-height: 1; color: var(--stone-2); -webkit-text-stroke: 1px var(--line-2); }
.nf h1 { font-size: 26px; margin-top: 10px; }

/* ---------- Görünür olma animasyonları ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .1s; } .rv-d2 { transition-delay: .2s; } .rv-d3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    .rv { opacity: 1; transform: none; }
}

/* =================== DUYARLI =================== */
@media (max-width: 1180px) {
    .main-nav > ul > li > a { padding: 10px 9px; font-size: 11px; letter-spacing: .12em; }
    .main-nav > ul > li > a::after { left: 9px; right: 9px; }
    .site-header__in { gap: 18px; }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
    :root { --hh: 72px; }
    .brand img { height: 44px; }
    .nav-toggle { display: block; }
    .btn-katalog { margin-left: auto; }
    .main-nav { position: fixed; z-index: 99; top: var(--hh); left: 0; right: 0; bottom: 0; margin: 0; background: var(--bg); padding: 20px var(--gut) 30px; overflow-y: auto; display: flex; flex-direction: column; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all .35s var(--ease); }
    .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
    .site-header.is-scrolled .main-nav { top: 68px; }
    .nav-open .main-nav { opacity: 1; visibility: visible; transform: none; }
    .nav-open { overflow: hidden; }
    .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
    .main-nav > ul > li { flex-wrap: wrap; border-bottom: 1px solid var(--line); }
    .main-nav > ul > li > a { flex: 1; padding: 17px 0; font-size: 13px; }
    .main-nav > ul > li > a::after { display: none; }
    .sub-toggle { display: grid; place-items: center; width: 44px; height: 44px; color: var(--ink); transition: transform .3s; }
    .has-sub.is-open .sub-toggle { transform: rotate(180deg); }
    .sub { position: static; width: 100%; min-width: 0; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 12px 14px; background: transparent; display: none; }
    .sub::before { display: none; }
    .has-sub.is-open .sub { display: block; }
    .has-sub:hover .sub { transform: none; }
    .main-nav__foot { display: grid; gap: 12px; margin-top: auto; padding-top: 30px; font-size: 13.5px; }
    .main-nav__foot a { display: flex; align-items: center; gap: 10px; color: var(--ink-2); }
    .sec { padding: 76px 0; }
    .band__in { grid-template-columns: 1fr 1fr; }
    .band__item:nth-child(2) { border-right: 1px solid var(--line); }
    .band__item:nth-child(n+3) { border-top: 1px solid var(--line); }
    .about { grid-template-columns: 1fr; gap: 50px; }
    .about__media { max-width: 620px; }
    .svc-grid { grid-template-columns: 1fr 1fr; }
    .pgrid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 240px; }
    .plist { grid-template-columns: 1fr 1fr; }
    .katalog__in { grid-template-columns: 1fr; gap: 56px; }
    .book { max-width: 480px; }
    .ref-grid { grid-template-columns: repeat(4, 1fr); }
    .cta__in { flex-direction: column; align-items: flex-start; }
    .legal, .ab-intro, .detail, .pd-intro, .contact { grid-template-columns: 1fr; gap: 50px; }
    .legal__nav, .ab-intro__l, .side { position: static; }
    .ab-intro__l img { aspect-ratio: 16/10; }
    .values { grid-template-columns: 1fr 1fr; }
    .svc-row { grid-template-columns: 1fr; gap: 30px; }
    .svc-row:nth-child(even) .svc-row__img { order: 0; }
    .gallery { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 180px; }
    .gallery--n4 { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 240px; }
    .gallery--n3 { grid-auto-rows: 240px; }
    .hero__scroll { display: none; }
}
@media (max-width: 680px) {
    :root { --gut: 16px; --hh: 64px; }
    body { font-size: 13.5px; }
    .brand img { height: 38px; }
    .site-header.is-scrolled .brand img { height: 36px; }
    .site-header.is-scrolled .site-header__in { height: 60px; }
    .site-header.is-scrolled .main-nav { top: 60px; }
    .btn-katalog { height: 38px; padding: 0 11px; gap: 7px; font-size: 10px; letter-spacing: .12em; }
    .btn-katalog small { display: none; }
    .sec { padding: 60px 0; }
    .sec-head { flex-direction: column; align-items: flex-start; margin-bottom: 34px; }
    .hero { min-height: 520px; height: calc(92svh - var(--hh)); }
    .hero__slide::after { background: linear-gradient(0deg, rgba(5,26,38,.9) 0%, rgba(5,26,38,.55) 55%, rgba(5,26,38,.25)); }
    .hero__content { align-items: flex-end; padding-bottom: 110px; }
    .hero__desc { font-size: 13.5px; margin-bottom: 24px; }
    .hero__ui { bottom: 26px; }
    .hero__dot { width: 40px; font-size: 0; }
    .hero__dots { gap: 8px; }
    .hero__arrows button { width: 38px; height: 38px; }
    .btn { height: 44px; padding: 0 20px; }
    .band__item { padding: 18px 14px; gap: 10px; }
    .band__item strong { font-size: 13.5px; }
    .band__item span { font-size: 11px; }
    .about__badge { padding: 14px 16px; bottom: 20px; }
    .about__badge b { font-size: 30px; }
    .stats { grid-template-columns: 1fr 1fr; }
    .stat b { font-size: 28px; }
    .svc-grid { grid-template-columns: 1fr; }
    .svc { min-height: 0; padding: 28px 24px; }
    .pgrid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
    .pgrid .pcard--big, .pgrid .pcard--wide { grid-column: auto; grid-row: auto; }
    .pcard__loc { max-height: 30px; opacity: 1; }
    .plist { grid-template-columns: 1fr; gap: 38px; }
    .filters { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; margin: 0 calc(var(--gut) * -1) 34px; padding: 0 var(--gut) 4px; scrollbar-width: none; }
    .filters a { flex: none; }
    .katalog__in { padding: 64px var(--gut); }
    .katalog__tag { width: 70px; height: 70px; right: -4px; }
    .katalog__tag b { font-size: 16px; }
    .ref-grid { grid-template-columns: repeat(2, 1fr); }
    .marquee .ref { width: 150px; }
    .cta__in { padding-top: 46px; padding-bottom: 46px; gap: 24px; }
    .cta__act { gap: 20px; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 38px; padding-top: 56px; padding-bottom: 46px; }
    .f-bottom__in { flex-direction: column; align-items: flex-start; gap: 12px; padding-bottom: 80px; }
    .page-hero__in { padding-top: 60px; padding-bottom: 46px; }
    .crumbs { font-size: 10px; }
    .page-hero__title { margin-bottom: 12px; }
    .values { grid-template-columns: 1fr; }
    .stats-band .container { grid-template-columns: 1fr 1fr; }
    .stats-band .stat { padding: 34px 12px; border: 0 !important; }
    .stats-band .stat b { font-size: 34px; }
    .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; gap: 6px; }
    .gallery a.g-big { grid-column: span 2; grid-row: span 2; }
    .gallery--n1 { grid-template-columns: 1fr; grid-auto-rows: 260px; }
    .gallery--n2, .gallery--n3, .gallery--n4 { grid-template-columns: 1fr 1fr; grid-auto-rows: 170px; }
    .gallery--n3 a:first-child { grid-column: span 2; grid-row: span 1; }
    .pd-bolum { padding-top: 50px; }
    .pd-bolum__head { gap: 16px; }
    .pd-bolum__no { font-size: 26px; }
    .pd-nav { grid-template-columns: 1fr; }
    .pd-nav a + a { border-left: 0; border-top: 1px solid var(--line); }
    .pd-nav a { padding: 22px 0; }
    .form-card { padding: 28px 20px; }
    .fgrid { grid-template-columns: 1fr; }
    .map { height: 340px; }
    .ek-top { grid-template-columns: 1fr; gap: 20px; }
    .viewer__stage { height: 62vh; padding: 12px; }
    .viewer__side { width: 38px; height: 38px; }
    .viewer__grp--zoom { display: none; }
    .cerez { left: 10px; right: 10px; bottom: 10px; padding: 18px; grid-template-columns: 1fr; }
    .cerez__ik { display: none; }
    .cerez__btn { grid-column: 1; }
    .wa-float { right: 14px; bottom: 14px; width: 48px; height: 48px; }
    .to-top { right: 19px; bottom: 74px; }
    .step { grid-template-columns: 40px 1fr; }
    .step .ik { display: none; }
}
@media print {
    .site-header, .site-footer, .cta, .wa-float, .to-top, .cerez { display: none !important; }
    .rv { opacity: 1; transform: none; }
}
.nav-open .cerez, .nav-open .wa-float, .nav-open .to-top { display: none !important; }
.refband { padding: 56px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 680px) { .refband { padding: 38px 0; } }
