/* =========================================================
   MERT MİMARLIK — Lüks Mimarlık Stüdyosu
   style.css
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
    --bg:        #0e0e0f;
    --bg-soft:   #15151a;
    --surface:   #1b1b21;
    --cream:     #f5f2ec;
    --cream-2:   #e7e2d8;
    --ink:       #14140f;
    --muted:     #9a968d;
    --muted-dark:#6a665d;
    --line:      rgba(255, 255, 255, 0.10);
    --line-ink:  rgba(20, 20, 15, 0.14);
    --gold:      #c2a36b;
    --gold-soft: #d8c193;

    --font-display: "Cormorant Garamond", Georgia, serif;
    --font-sans: "Jost", "Helvetica Neue", Arial, sans-serif;

    --container: 1280px;
    --gutter: clamp(1.25rem, 5vw, 4rem);
    --section-y: clamp(5rem, 11vw, 9.5rem);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --transition: 0.6s var(--ease);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    background: var(--bg);
    color: var(--cream);
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: clamp(15px, 1.05vw, 17px);
    line-height: 1.7;
    letter-spacing: 0.01em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

::selection { background: var(--gold); color: var(--ink); }

/* ---------- Zarif, ince altın scrollbar (sayfa geneli) ---------- */
html {
    scrollbar-width: thin;
    scrollbar-color: rgba(194, 163, 107, 0.55) transparent;
}
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--gold), var(--gold-soft));
    border-radius: 100px;
    border: 2px solid var(--bg);
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
    background-clip: padding-box;
}
::-webkit-scrollbar-corner { background: var(--bg); }

/* ---------- Layout helpers ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); position: relative; }

.section__tag {
    display: inline-block;
    font-size: 0.74rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.4rem;
}

.section__title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2rem, 5vw, 3.7rem);
    line-height: 1.07;
    letter-spacing: -0.01em;
}

.section__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
    flex-wrap: wrap;
}
.section__head-text {
    max-width: 30ch;
    color: var(--muted);
    font-size: 0.98rem;
}

/* ---------- Buttons ---------- */
.btn {
    --pad-y: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: var(--pad-y) 2rem;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border: 1px solid transparent;
    border-radius: 100px;
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.4s var(--ease);
    will-change: transform;
}
.btn:hover { transform: translateY(-3px); }
.btn--solid { background: var(--gold); color: var(--ink); }
.btn--solid:hover { background: var(--gold-soft); }
.btn--ghost { border-color: var(--line); color: var(--cream); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--full { width: 100%; }

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--bg);
    display: grid;
    place-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__inner { display: flex; flex-direction: column; align-items: center; gap: 1.4rem; }
.preloader__logo {
    width: 74px; height: 74px;
    object-fit: contain;
    mix-blend-mode: screen;
}
.preloader__mark {
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--gold);
    letter-spacing: 0.1em;
}
.preloader__line {
    width: 120px; height: 1px;
    background: var(--line);
    position: relative; overflow: hidden;
}
.preloader__line::after {
    content: ""; position: absolute; inset: 0;
    background: var(--gold);
    transform: translateX(-100%);
    animation: load 1.4s var(--ease) infinite;
}
@keyframes load { to { transform: translateX(100%); } }

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: background var(--transition), border-color var(--transition), padding var(--transition);
    border-bottom: 1px solid transparent;
}
.header__inner {
    max-width: var(--container);
    margin-inline: auto;
    padding: 1.7rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: padding var(--transition);
}
.header.is-scrolled {
    background: rgba(14, 14, 15, 0.82);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
}
.header.is-scrolled .header__inner { padding-block: 1.05rem; }

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand__logo {
    width: 54px; height: 54px;
    object-fit: contain;
    flex-shrink: 0;
    mix-blend-mode: screen;
}
.brand__mark {
    font-family: var(--font-display);
    font-size: 1.7rem;
    color: var(--gold);
    line-height: 1;
}
.brand__name {
    font-size: 1rem;
    letter-spacing: 0.2em;
    font-weight: 500;
    white-space: nowrap;
}
.brand__sub {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--muted);
    align-self: center;
}

.nav__list { display: flex; gap: clamp(1.5rem, 3vw, 3rem); }
.nav__link {
    position: relative;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cream-2);
    padding-block: 0.3rem;
    transition: color 0.4s var(--ease);
}
.nav__link::after {
    content: ""; position: absolute; left: 0; bottom: 0;
    width: 0; height: 1px; background: var(--gold);
    transition: width 0.4s var(--ease);
}
.nav__link:hover { color: var(--cream); }
.nav__link:hover::after, .nav__link.is-current::after { width: 100%; }
.nav__link.is-current { color: var(--gold); }

.header__actions { display: flex; align-items: center; gap: 1.4rem; }

.lang { display: flex; align-items: center; gap: 0.5rem; font-size: 0.78rem; letter-spacing: 0.1em; }
.lang__btn { color: var(--muted); transition: color 0.3s ease; padding: 0.2rem; }
.lang__btn.is-active { color: var(--gold); }
.lang__btn:hover { color: var(--cream); }
.lang__sep { color: var(--muted-dark); }

/* Burger */
.burger { display: none; width: 30px; height: 18px; position: relative; }
.burger span {
    position: absolute; left: 0; width: 100%; height: 1.5px;
    background: var(--cream); transition: transform 0.4s var(--ease), opacity 0.3s ease;
}
.burger span:nth-child(1) { top: 0; }
.burger span:nth-child(2) { bottom: 0; }
.burger.is-open span:nth-child(1) { top: 8px; transform: rotate(45deg); }
.burger.is-open span:nth-child(2) { bottom: 8px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    padding-bottom: clamp(4rem, 9vw, 8rem);
    overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__img {
    width: 100%; height: 100%; object-fit: cover;
    transform: scale(1.08);
    animation: heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero__overlay {
    position: absolute; inset: 0;
    background:
        linear-gradient(180deg, rgba(14,14,15,0.55) 0%, rgba(14,14,15,0.25) 35%, rgba(14,14,15,0.92) 100%),
        radial-gradient(120% 90% at 50% 0%, transparent 40%, rgba(14,14,15,0.5) 100%);
}

.hero__content { max-width: 56rem; padding-inline: var(--gutter); margin-inline: auto; width: 100%; max-width: calc(var(--container) + 0px); }
.hero__eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold-soft);
    margin-bottom: 1.6rem;
}
.hero__title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.7rem, 8vw, 6.4rem);
    line-height: 0.98;
    letter-spacing: -0.015em;
    margin-bottom: 1.8rem;
}
.hero__title span { display: block; }
.hero__title--accent { font-style: italic; color: var(--gold-soft); }
.hero__lead {
    max-width: 46ch;
    color: var(--cream-2);
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    margin-bottom: 2.6rem;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__scroll {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
    font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase;
    color: var(--muted);
}
.hero__scroll-line { width: 1px; height: 46px; background: var(--line); position: relative; overflow: hidden; }
.hero__scroll-line::after {
    content: ""; position: absolute; inset: 0; background: var(--gold);
    transform: translateY(-100%); animation: scrollDown 2s var(--ease) infinite;
}
@keyframes scrollDown { 0% { transform: translateY(-100%);} 60%,100% { transform: translateY(100%);} }

/* ---------- Marquee ---------- */
.marquee {
    border-block: 1px solid var(--line);
    overflow: hidden;
    padding-block: 1.5rem;
    background: var(--bg-soft);
}
.marquee__track {
    display: flex; align-items: center; gap: 2.5rem;
    white-space: nowrap;
    width: max-content;
    animation: marquee 32s linear infinite;
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    color: var(--cream-2);
    letter-spacing: 0.05em;
}
.marquee__dot { color: var(--gold); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- About ---------- */
.about__grid {
    display: grid;
    grid-template-columns: 0.85fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: center;
}
.about__visual { position: relative; }
.about__visual img {
    width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
    border-radius: 2px;
}
.about__badge {
    position: absolute; bottom: -1.5rem; right: -1.5rem;
    background: var(--gold); color: var(--ink);
    padding: 1.5rem 1.8rem; border-radius: 2px;
    display: flex; flex-direction: column; align-items: center; line-height: 1;
    box-shadow: 0 30px 60px -25px rgba(0,0,0,0.7);
}
.about__badge-num { font-family: var(--font-display); font-size: 2.8rem; font-weight: 500; }
.about__badge-text { font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; margin-top: 0.4rem; }

.about__signature {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 2.4rem 1.6rem 1.4rem;
    display: flex; flex-direction: column; gap: 0.25rem;
    background: linear-gradient(0deg, rgba(14,14,15,0.88) 0%, rgba(14,14,15,0) 100%);
}
.about__signature-name {
    font-family: var(--font-display);
    font-size: 1.7rem; color: var(--cream); line-height: 1;
}
.about__signature-role {
    font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-soft);
}

.about__text p { color: var(--muted); margin-top: 1.4rem; max-width: 52ch; }
.about__list {
    margin-top: 2.4rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 2rem;
}
.about__list li {
    position: relative; padding-left: 1.6rem;
    font-size: 0.92rem; color: var(--cream-2);
}
.about__list li::before {
    content: ""; position: absolute; left: 0; top: 0.65em;
    width: 8px; height: 1px; background: var(--gold);
}

/* Stats */
.stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: clamp(4rem, 8vw, 7rem);
    padding-top: clamp(3rem, 5vw, 4rem);
    border-top: 1px solid var(--line);
}
.stat { display: flex; flex-direction: column; }
.stat__num {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5vw, 4rem);
    color: var(--cream);
    line-height: 1;
    display: inline;
}
.stat__plus {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5vw, 4rem);
    color: var(--gold);
    line-height: 1;
}
.stat__label {
    margin-top: 0.9rem;
    font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--muted);
}

/* ---------- Projects ---------- */
.projects { background: var(--bg-soft); }
.projects__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(1.2rem, 2.5vw, 2rem);
}
.project {
    position: relative;
    overflow: hidden;
    border-radius: 2px;
    cursor: pointer;
}
.project--lg { grid-column: span 2; }
.project__media { overflow: hidden; }
.project__media img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    transition: transform 1.1s var(--ease), filter 1.1s var(--ease);
    filter: grayscale(0.25) brightness(0.92);
}
.project--lg .project__media img { aspect-ratio: 21 / 9; }
.project:hover .project__media img { transform: scale(1.06); filter: grayscale(0) brightness(1); }

.project__info {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 1.6rem 1.8rem;
    display: flex; flex-direction: column;
    background: linear-gradient(0deg, rgba(14,14,15,0.85) 0%, rgba(14,14,15,0) 100%);
}
.project__cat {
    font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--gold-soft); margin-bottom: 0.4rem;
}
.project__title { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 500; }
.project__year {
    position: absolute; top: 1.4rem; right: 1.6rem;
    font-size: 0.78rem; letter-spacing: 0.1em; color: var(--cream-2);
    opacity: 0; transform: translateY(-6px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.project:hover .project__year { opacity: 1; transform: translateY(0); }

.project__view {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -40%);
    padding: 0.85rem 1.8rem;
    border: 1px solid var(--gold);
    border-radius: 100px;
    background: rgba(14,14,15,0.35);
    backdrop-filter: blur(4px);
    color: var(--cream);
    font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), background 0.4s var(--ease);
    pointer-events: none;
    z-index: 2;
}
.project:hover .project__view { opacity: 1; transform: translate(-50%, -50%); }

/* ---------- References ---------- */
.refs { max-width: 56rem; }
.refs__viewport { overflow: hidden; }
.refs__track { display: flex; transition: transform 0.7s var(--ease); }
.ref {
    min-width: 100%;
    opacity: 0.25;
    transition: opacity 0.6s var(--ease);
}
.ref.is-active { opacity: 1; }
.ref blockquote {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.5rem, 3.4vw, 2.6rem);
    line-height: 1.32;
    color: var(--cream);
    letter-spacing: -0.005em;
}
.ref figcaption { margin-top: 2rem; display: flex; flex-direction: column; gap: 0.3rem; }
.ref__name { font-size: 0.95rem; letter-spacing: 0.1em; color: var(--gold); }
.ref__role { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

.refs__nav { display: flex; align-items: center; gap: 1.5rem; margin-top: 2.8rem; }
.refs__arrow {
    width: 48px; height: 48px; border-radius: 50%;
    border: 1px solid var(--line);
    display: grid; place-items: center;
    font-size: 1.1rem; color: var(--cream-2);
    transition: border-color 0.4s var(--ease), color 0.4s var(--ease), background 0.4s var(--ease);
}
.refs__arrow:hover { border-color: var(--gold); color: var(--gold); }
.refs__dots { display: flex; gap: 0.6rem; }
.refs__dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--line); transition: background 0.4s var(--ease), width 0.4s var(--ease);
}
.refs__dot.is-active { background: var(--gold); width: 26px; border-radius: 100px; }

.logos {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: clamp(2rem, 5vw, 4.5rem);
    margin-top: clamp(4rem, 8vw, 7rem);
    padding-top: clamp(2.5rem, 4vw, 3.5rem);
    border-top: 1px solid var(--line);
}
.logos span {
    font-size: 0.95rem; letter-spacing: 0.28em;
    color: var(--muted-dark);
    transition: color 0.4s var(--ease);
}
.logos span:hover { color: var(--cream-2); }

/* ---------- Contact ---------- */
.contact { background: var(--cream); color: var(--ink); }
.contact .section__tag { color: #9a7b3e; }
.contact .section__title { color: var(--ink); }
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: start;
}
.contact__intro p { color: #5b574d; margin-top: 1.4rem; max-width: 42ch; }

.contact__info { margin-top: 3rem; display: grid; gap: 1.4rem; }
.contact__info li {
    display: grid; gap: 0.3rem;
    padding-bottom: 1.4rem; border-bottom: 1px solid var(--line-ink);
}
.contact__label { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: #9a7b3e; }
.contact__info a:hover { color: #9a7b3e; }

.contact__social { display: flex; gap: 1.6rem; margin-top: 2.2rem; }
.contact__social a {
    font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase;
    position: relative; padding-bottom: 0.3rem;
}
.contact__social a::after {
    content:""; position:absolute; left:0; bottom:0; width:0; height:1px; background: #9a7b3e;
    transition: width 0.4s var(--ease);
}
.contact__social a:hover::after { width: 100%; }

/* Form */
.contact__form { display: grid; gap: 1.8rem; }
.field { position: relative; }
.field input, .field textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line-ink);
    padding: 0.9rem 0;
    font-family: inherit; font-size: 1rem; color: var(--ink);
    transition: border-color 0.4s var(--ease);
    resize: none;
}
.field textarea { line-height: 1.6; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--gold); }
.field label {
    position: absolute; left: 0; top: 0.9rem;
    color: var(--muted-dark);
    font-size: 1rem; letter-spacing: 0.02em;
    pointer-events: none;
    transition: transform 0.35s var(--ease), font-size 0.35s var(--ease), color 0.35s var(--ease);
    transform-origin: left;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
    transform: translateY(-1.5rem) scale(0.78);
    color: #9a7b3e;
}
.contact .btn--solid { background: var(--ink); color: var(--cream); }
.contact .btn--solid:hover { background: #9a7b3e; }
.form__note { font-size: 0.82rem; color: var(--muted-dark); text-align: center; }
.form__note.is-success { color: #2f7d4f; }

/* ---------- Footer ---------- */
.footer { background: var(--bg); padding-block: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--line); }
.footer__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center; gap: 2rem;
}
.footer__brand { display: flex; align-items: center; gap: 1rem; }
.footer__logo { width: 52px; height: 52px; object-fit: contain; mix-blend-mode: screen; }
.brand__mark--lg { font-size: 2.4rem; }
.footer__brand p { color: var(--muted); font-style: italic; font-family: var(--font-display); font-size: 1.15rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: center; }
.footer__nav a {
    font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-2);
    transition: color 0.3s ease;
}
.footer__nav a:hover { color: var(--gold); }
.footer__copy { font-size: 0.76rem; color: var(--muted-dark); text-align: right; letter-spacing: 0.04em; }

/* ---------- To top ---------- */
.to-top {
    position: fixed; bottom: 1.8rem; right: 1.8rem; z-index: 90;
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--gold); color: var(--ink);
    display: grid; place-items: center; font-size: 1.1rem;
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), background 0.3s ease;
    box-shadow: 0 14px 30px -10px rgba(0,0,0,0.6);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--gold-soft); }

/* ---------- Lightbox / Galeri ---------- */
.lightbox {
    position: fixed; inset: 0; z-index: 500;
    background: rgba(8, 8, 9, 0.97);
    backdrop-filter: blur(8px);
    display: flex; flex-direction: column;
    opacity: 0; visibility: hidden;
    transition: opacity 0.45s var(--ease), visibility 0.45s var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox__bar {
    display: flex; align-items: center; gap: 1.2rem;
    padding: 0.4rem clamp(1.25rem, 4vw, 3rem);
    border-bottom: 1px solid var(--line);
}
.lightbox__title {
    font-family: var(--font-display);
    font-size: 1.5rem; color: var(--cream); flex: 1;
}
.lightbox__counter { font-size: 0.85rem; letter-spacing: 0.14em; color: var(--gold); }
.lightbox__close {
    flex-shrink: 0;
    width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid var(--line); color: var(--cream);
    display: inline-flex; align-items: center; justify-content: center;
    transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}
.lightbox__close svg { display: block; }
.lightbox__close:hover { border-color: var(--gold); color: var(--gold); transform: rotate(90deg); }

.lightbox__stage {
    flex: 1 1 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem clamp(1rem, 4vw, 3rem);
    min-height: 0;
    overflow: hidden;
}
.lightbox__img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    min-width: 0;
    min-height: 0;
    object-fit: contain;
    border-radius: 2px;
    opacity: 0;
    cursor: zoom-in;
    transition: opacity 0.45s var(--ease);
    box-shadow: 0 40px 90px -30px rgba(0,0,0,0.8);
}
.lightbox__img.is-loaded { opacity: 1; }

/* Çift tıklayınca yakınlaştırılmış durum: sahne kaydırılabilir olur */
.lightbox__stage.is-zoomed {
    display: block;
    overflow: auto;
    cursor: grab;
}
.lightbox__stage.is-zoomed .lightbox__img {
    display: block;
    margin: 0 auto;
    max-width: none;
    max-height: none;
    cursor: zoom-out;
}

/* Zarif, ince altın scrollbar */
.lightbox__stage {
    scrollbar-width: thin;
    scrollbar-color: rgba(194, 163, 107, 0.55) transparent;
}
.lightbox__stage::-webkit-scrollbar { width: 7px; height: 7px; }
.lightbox__stage::-webkit-scrollbar-track { background: transparent; }
.lightbox__stage::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--gold), var(--gold-soft));
    border-radius: 100px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
.lightbox__stage::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
    background-clip: padding-box;
}
.lightbox__stage::-webkit-scrollbar-corner { background: transparent; }

.lightbox__spinner {
    position: absolute; width: 40px; height: 40px;
    border: 2px solid var(--line); border-top-color: var(--gold);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}
.lightbox__spinner.is-hidden { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.lightbox__nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 3;
    width: 54px; height: 54px; border-radius: 50%;
    border: 1px solid var(--line);
    background: rgba(14,14,15,0.5);
    color: var(--cream); font-size: 1.3rem;
    display: grid; place-items: center;
    transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}
.lightbox__nav:hover { border-color: var(--gold); color: var(--gold); background: rgba(14,14,15,0.85); }
.lightbox__nav--prev { left: clamp(0.75rem, 3vw, 2.5rem); }
.lightbox__nav--next { right: clamp(0.75rem, 3vw, 2.5rem); }

.lightbox__thumbs {
    display: flex; gap: 0.6rem;
    padding: 0.7rem clamp(1.25rem, 4vw, 3rem) 1rem;
    overflow-x: auto;
    justify-content: center;
    scrollbar-width: thin;
    scrollbar-color: rgba(194, 163, 107, 0.55) transparent;
    flex-shrink: 0;
}
.lightbox__thumbs::-webkit-scrollbar { height: 7px; }
.lightbox__thumbs::-webkit-scrollbar-track { background: transparent; }
.lightbox__thumbs::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--gold), var(--gold-soft));
    border-radius: 100px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
.lightbox__thumb {
    width: 78px; height: 54px; flex-shrink: 0;
    object-fit: cover; border-radius: 2px;
    opacity: 0.4; cursor: pointer;
    border: 1px solid transparent;
    transition: opacity 0.3s var(--ease), border-color 0.3s var(--ease);
}
.lightbox__thumb:hover { opacity: 0.8; }
.lightbox__thumb.is-active { opacity: 1; border-color: var(--gold); }

.lightbox__empty {
    color: var(--muted); font-size: 1rem; text-align: center; max-width: 30ch;
}

body.no-scroll { overflow: hidden; }

/* ---------- Reveal animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .about__grid { grid-template-columns: 1fr; }
    .about__visual { max-width: 26rem; margin-inline: auto; }
    .contact__grid { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr 1fr; gap: 2.5rem 1.5rem; }
    .footer__inner { grid-template-columns: 1fr; text-align: center; gap: 1.6rem; }
    .footer__brand, .footer__nav { justify-content: center; }
    .footer__copy { text-align: center; }
}

@media (max-width: 1080px) {
    .brand__sub { display: none; }
}

@media (max-width: 760px) {
    .burger { display: block; }
    .brand__name { letter-spacing: 0.14em; }

    /* Header'ın backdrop-filter'ı, içindeki fixed menüyü hapsediyordu.
       Mobilde kaldırıp düz arka plan veriyoruz; menü artık tüm ekranı kaplar. */
    .header.is-scrolled {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        background: var(--bg);
    }

    /* Logo ve hamburger menü açıkken bile üstte ve tıklanabilir kalsın */
    .brand, .burger { position: relative; z-index: 110; }

    .nav {
        position: fixed; inset: 0;
        background: var(--bg);
        display: flex; align-items: center; justify-content: center;
        transform: translateY(-100%);
        transition: transform 0.55s var(--ease);
        z-index: 100;
    }
    .nav.is-open { transform: translateY(0); }
    .nav__list { flex-direction: column; align-items: center; gap: 2.2rem; }
    .nav__link { font-size: 1.5rem; font-family: var(--font-display); letter-spacing: 0.05em; text-transform: none; }
    .nav__link::after { display: none; }

    .projects__grid { grid-template-columns: 1fr; }
    .project--lg { grid-column: span 1; }
    .project__media img, .project--lg .project__media img { aspect-ratio: 3 / 2; }

    .about__list { grid-template-columns: 1fr; }
    .hero__cta { flex-direction: column; align-items: stretch; }
    .hero__cta .btn { width: 100%; }
}

@media (max-width: 460px) {
    .stats { grid-template-columns: 1fr; }
    .about__badge { right: 0; padding: 1.2rem 1.4rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}