/* =====================================================================
   GÜÇLÜ YAPI — Tasarım Sistemi
   Luxury Construction / Architectural / Editorial
   ===================================================================== */

:root {
    --ink: #16181a;
    --ink-2: #1f2327;
    --ink-3: #2b3036;
    --paper: #f5f2ec;
    --paper-2: #ece7dd;
    --paper-3: #e2dccf;
    --stone: #9a9184;
    --stone-2: #6f685d;
    --muted: #7b756a;
    --line: rgba(22, 24, 26, 0.12);
    --line-light: rgba(255, 255, 255, 0.16);
    --accent: #8d2424;
    --accent-2: #6f1a1a;
    --accent-ink: #ffffff;
    --white: #ffffff;

    --font-display: 'Syne', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --container: 1280px;
    --gutter: clamp(20px, 5vw, 64px);
    --radius: 4px;
    --radius-lg: 10px;

    --t-fast: .25s cubic-bezier(.4, 0, .2, 1);
    --t: .5s cubic-bezier(.16, 1, .3, 1);
    --t-slow: .9s cubic-bezier(.16, 1, .3, 1);

    --shadow: 0 20px 60px -20px rgba(20, 22, 24, .28);
    --shadow-sm: 0 8px 30px -12px rgba(20, 22, 24, .22);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 9vw, 140px); }
.kicker {
    font-family: var(--font-body);
    font-size: .74rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
    color: var(--accent-2); margin-bottom: 1.1rem; display: inline-flex; align-items: center; gap: .6rem;
}
.kicker::before { content: ""; width: 28px; height: 1px; background: var(--accent); display: inline-block; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 999; }
.skip-link:focus { left: 8px; top: 8px; }

/* ------------------ Buttons ------------------ */
.btn {
    --btn-bg: var(--ink); --btn-fg: #fff; --btn-bd: var(--ink);
    display: inline-flex; align-items: center; gap: .55em; justify-content: center;
    padding: .95em 1.7em; font-family: var(--font-body); font-weight: 600; font-size: .92rem;
    letter-spacing: .01em; border: 1px solid var(--btn-bd); background: var(--btn-bg); color: var(--btn-fg);
    border-radius: 100px; cursor: pointer; transition: all var(--t-fast); position: relative; overflow: hidden;
    text-align: center;
}
.btn span { position: relative; transition: transform var(--t-fast); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn:hover span[aria-hidden] { transform: translateX(4px); }
.btn--accent { --btn-bg: var(--accent); --btn-fg: #fff; --btn-bd: var(--accent); }
.btn--accent:hover { --btn-bg: var(--accent-2); --btn-bd: var(--accent-2); }
.btn--outline { --btn-bg: transparent; --btn-fg: var(--ink); --btn-bd: var(--line); }
.btn--outline:hover { --btn-bd: var(--ink); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--muted); --btn-bd: transparent; }
.btn--lg { padding: 1.1em 2.1em; font-size: 1rem; }
.btn--sm { padding: .7em 1.3em; font-size: .82rem; }

.link-underline {
    display: inline-flex; align-items: center; gap: .5em; font-weight: 600; font-size: .95rem;
    padding-bottom: 3px; background-image: linear-gradient(var(--accent), var(--accent));
    background-size: 0% 1.5px; background-position: 0 100%; background-repeat: no-repeat;
    transition: background-size var(--t), color var(--t-fast); color: var(--ink);
}
.link-underline:hover { background-size: 100% 1.5px; color: var(--accent-2); }
.link-underline span { transition: transform var(--t-fast); }
.link-underline:hover span { transform: translateX(4px); }

.section__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: clamp(2.4rem, 5vw, 4rem); flex-wrap: wrap; }
.section__title { font-size: clamp(1.9rem, 4.2vw, 3.3rem); }

/* ===================== NAV ===================== */
.nav {
    position: fixed; inset: 0 0 auto 0; z-index: 110;
    transition: background var(--t), backdrop-filter var(--t), border-color var(--t), box-shadow var(--t);
    border-bottom: 1px solid transparent;
}
.nav__inner {
    max-width: var(--container); margin-inline: auto; padding: 1.1rem var(--gutter);
    display: flex; align-items: center; justify-content: space-between; gap: 2rem;
    transition: padding var(--t);
}
.nav.is-scrolled {
    background: rgba(245, 242, 236, .82); backdrop-filter: saturate(1.4) blur(14px);
    border-bottom-color: var(--line); box-shadow: 0 6px 30px -18px rgba(0,0,0,.3);
}
.nav.is-scrolled .nav__inner { padding-block: .75rem; }

/* İç sayfalarda nav baştan solid ve okunur */
body[data-page="inner"] .nav {
    background: rgba(245, 242, 236, .9); backdrop-filter: saturate(1.4) blur(14px);
    border-bottom-color: var(--line);
}

.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); }
.brand__mark { color: var(--accent); display: grid; place-items: center; }
.brand__text { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; letter-spacing: .02em; }
.brand__text strong { font-weight: 800; }
.brand__logo { height: clamp(30px, 4.4vw, 42px); width: auto; display: block; }
.brand__logo--light { display: none; }
/* Koyu zeminlerde (home hero, mobil menü açık) açık logo göster */
body[data-page="home"] .nav:not(.is-scrolled) .brand__logo--dark { display: none; }
body[data-page="home"] .nav:not(.is-scrolled) .brand__logo--light { display: block; }
body.menu-open .brand__logo--dark { display: none; }
body.menu-open .brand__logo--light { display: block; }

.nav__menu { display: flex; gap: .3rem; }
.nav__link {
    position: relative; padding: .5rem .95rem; font-size: .92rem; font-weight: 500; color: var(--ink-2);
    border-radius: 100px; transition: color var(--t-fast);
}
.nav__link::after {
    content: ""; position: absolute; left: 50%; bottom: .15rem; width: 4px; height: 4px; border-radius: 50%;
    background: var(--accent); transform: translate(-50%, 6px) scale(0); transition: transform var(--t);
}
.nav__link:hover { color: var(--ink); }
.nav__link.is-active { color: var(--ink); }
.nav__link.is-active::after { transform: translate(-50%, 0) scale(1); }

.nav__actions { display: flex; align-items: center; gap: 1rem; }
.nav__toggle { display: none; }

/* Home hero: transparan açık nav */
body[data-page="home"] .nav:not(.is-scrolled) { color: #fff; }
body[data-page="home"] .nav:not(.is-scrolled) .brand,
body[data-page="home"] .nav:not(.is-scrolled) .nav__link { color: rgba(255,255,255,.92); }
body[data-page="home"] .nav:not(.is-scrolled) .nav__link:hover { color: #fff; }
body[data-page="home"] .nav:not(.is-scrolled) .brand__mark { color: var(--accent); }
body[data-page="home"] .nav:not(.is-scrolled) .btn--outline { --btn-fg: #fff; --btn-bd: rgba(255,255,255,.4); }

/* Mobil menü — basit, sağlam, taşmaya dayanıklı (clip-path/transform reveal YOK) */
.mobilemenu {
    position: fixed; inset: 0; z-index: 100; background: var(--ink); color: #fff;
    display: flex; flex-direction: column; justify-content: flex-start;
    gap: 1.6rem;
    padding: clamp(84px, 13vh, 116px) var(--gutter) calc(40px + env(safe-area-inset-bottom));
    overflow-y: auto; -webkit-overflow-scrolling: touch;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .3s ease, visibility .3s ease, transform .3s ease;
}
.mobilemenu.is-open { opacity: 1; visibility: visible; transform: none; }
.mobilemenu__nav { display: flex; flex-direction: column; gap: .1rem; }
.mobilemenu__link {
    display: block;
    font-family: var(--font-display); font-size: clamp(1.85rem, 8vw, 3rem); font-weight: 700;
    line-height: 1.15; padding: .45rem 0; color: rgba(255,255,255,.72);
    border-bottom: 1px solid rgba(255,255,255,.08); transition: color var(--t-fast);
}
.mobilemenu__link span { display: inline; transform: none; }
.mobilemenu__link:hover, .mobilemenu__link:active { color: var(--accent); }
.mobilemenu__foot { margin-top: 1.8rem; display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
.mobilemenu__phone { font-size: 1.4rem; font-family: var(--font-display); color: var(--accent); }

/* Menü açıkken üst navbar okunur (şeffaf + beyaz), toggle tıklanabilir kalır */
body.menu-open { overflow: hidden; }
body.menu-open .nav { background: transparent !important; backdrop-filter: none !important; border-bottom-color: transparent !important; box-shadow: none !important; }
body.menu-open .brand, body.menu-open .nav__toggle { color: #fff; }

/* ===================== HERO ===================== */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__img { width: 100%; height: 118%; object-fit: cover; will-change: transform; transform: scale(1.06); }
.hero__scrim {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(15,16,18,.55) 0%, rgba(15,16,18,.15) 35%, rgba(15,16,18,.35) 62%, rgba(15,16,18,.9) 100%);
}
.hero__content { position: relative; z-index: 2; width: 100%; max-width: var(--container); margin-inline: auto; padding: 0 var(--gutter) clamp(3rem, 8vh, 6rem); }
.hero__kicker { font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.82); margin-bottom: 1.4rem; }
.hero__kicker span { color: var(--accent); font-weight: 700; }
.hero__title { font-size: clamp(2.7rem, 8vw, 6.4rem); font-weight: 800; letter-spacing: -0.03em; }
.hero__title-line { display: block; overflow: hidden; }
.hero__title-line > span { display: block; }
.hero__sub { margin-top: 1.6rem; font-size: clamp(1.05rem, 2vw, 1.35rem); max-width: 34ch; color: rgba(255,255,255,.86); font-weight: 400; }
.hero__actions { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll { position: absolute; right: var(--gutter); bottom: clamp(3rem,8vh,6rem); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: .8rem; color: rgba(255,255,255,.7); }
.hero__scroll-line { width: 1px; height: 54px; background: rgba(255,255,255,.4); position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ""; position: absolute; inset: 0; background: var(--accent); animation: scrolldot 2s cubic-bezier(.7,0,.3,1) infinite; }
@keyframes scrolldot { 0% { transform: translateY(-100%); } 50%,100% { transform: translateY(100%); } }
.hero__scroll-text { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; writing-mode: vertical-rl; }
@media (max-width: 640px) { .hero__scroll { display: none; } }

/* ===================== INTRO ===================== */
.intro { padding-block: clamp(64px, 9vw, 130px); }
.intro__grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.intro__text { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.35rem, 2.6vw, 2rem); line-height: 1.35; letter-spacing: -0.01em; margin-bottom: 2rem; }
.intro__stats { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.stat { padding: 1.4rem 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--ink); letter-spacing: -0.02em; }
.stat__label { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: .3rem; }

/* ===================== SERVICES (home rows) ===================== */
.svc-list { border-top: 1px solid var(--line); }
.svc-row {
    display: grid; grid-template-columns: auto 1.1fr 2fr auto; align-items: center; gap: 2rem;
    padding: clamp(1.3rem, 2.5vw, 2rem) 0; border-bottom: 1px solid var(--line); position: relative;
    transition: padding-left var(--t); color: var(--ink); overflow: hidden;
}
.svc-row::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 100%; background: var(--ink); z-index: -1; transform: translateX(-101%); transition: transform var(--t); }
.svc-row:hover::before { transform: translateX(0); }
.svc-row:hover { color: #fff; padding-left: 2rem; }
.svc-row:hover::before { left: 0; }
.svc-row__num { font-family: var(--font-display); font-weight: 700; color: var(--accent); font-size: 1rem; }
.svc-row__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 3vw, 2.1rem); letter-spacing: -0.02em; }
.svc-row__desc { color: var(--muted); font-size: .95rem; }
.svc-row:hover .svc-row__desc { color: rgba(255,255,255,.7); }
.svc-row__arrow { font-size: 1.3rem; opacity: 0; transform: translateX(-10px); transition: all var(--t); }
.svc-row:hover .svc-row__arrow { opacity: 1; transform: translateX(0); }

/* ===================== FEATURED PROJECTS GRID ===================== */
.pgrid { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(14px, 1.6vw, 26px); grid-auto-flow: dense; }
.pcard { grid-column: span 3; display: block; color: var(--ink); }
.pcard--lg { grid-column: span 4; grid-row: span 2; }
.pcard--sm { grid-column: span 2; }
.pcard--wide { grid-column: span 6; }

.pcard__media { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--paper-3); aspect-ratio: 4 / 3; }
.pcard--lg .pcard__media { aspect-ratio: 4 / 5; }
.pcard--wide .pcard__media { aspect-ratio: 21 / 9; }
.pcard__img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.16,1,.3,1); }
.pcard:hover .pcard__img { transform: scale(1.06); }
.pcard__badge {
    position: absolute; top: 14px; left: 14px; z-index: 2; padding: .4rem .85rem; border-radius: 100px;
    font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
    background: rgba(245,242,236,.92); color: var(--ink); backdrop-filter: blur(6px);
}
.pcard__badge--ongoing { background: var(--accent); color: #fff; }
.pcard__badge--completed { background: rgba(22,24,26,.9); color: #fff; }
.pcard__overlay { position: absolute; inset: 0; z-index: 2; display: flex; align-items: flex-end; padding: 18px; opacity: 0; transition: opacity var(--t); background: linear-gradient(180deg, transparent 40%, rgba(15,16,18,.55)); }
.pcard:hover .pcard__overlay { opacity: 1; }
.pcard__view { color: #fff; font-weight: 600; display: inline-flex; gap: .5em; align-items: center; }
.pcard__body { padding: 1.1rem .2rem 0; }
.pcard__title { font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.02em; }
.pcard--lg .pcard__title { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.pcard__meta { color: var(--muted); font-size: .88rem; margin-top: .35rem; }

/* ===================== SPLIT (completed / ongoing) ===================== */
.split__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); }
.split__card {
    position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(2rem, 4vw, 3.4rem);
    min-height: 340px; display: flex; flex-direction: column; justify-content: space-between; color: #fff;
    background: var(--ink); transition: transform var(--t); isolation: isolate;
}
.split__card--ongoing { background: linear-gradient(150deg, var(--accent-2), var(--accent)); }
.split__card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 80% 10%, rgba(255,255,255,.12), transparent 55%); }
.split__card:hover { transform: translateY(-6px); }
.split__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem, 8vw, 6rem); line-height: 1; opacity: .3; }
.split__kicker { font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; opacity: .8; margin-bottom: .5rem; }
.split__title { font-size: clamp(1.6rem, 3.4vw, 2.6rem); margin-bottom: .7rem; }
.split__desc { opacity: .82; margin-bottom: 1.4rem; max-width: 34ch; }
.split__card .link-underline { color: #fff; background-image: linear-gradient(#fff,#fff); }

/* ===================== WHY ===================== */
.why { background: var(--ink); color: var(--paper); }
.why .kicker { color: var(--accent); }
.why .section__title { color: #fff; }
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-light); border: 1px solid var(--line-light); border-radius: var(--radius-lg); overflow: hidden; }
.why__item { background: var(--ink); padding: clamp(1.6rem, 3vw, 2.6rem); transition: background var(--t); }
.why__item:hover { background: var(--ink-3); }
.why__num { font-family: var(--font-display); color: var(--accent); font-weight: 700; font-size: .95rem; }
.why__title { color: #fff; font-size: 1.3rem; margin: 1rem 0 .6rem; }
.why__desc { color: rgba(245,242,236,.66); font-size: .95rem; }

/* ===================== BLOG cards ===================== */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 30px); }
.bcard { color: var(--ink); }
.bcard__media { overflow: hidden; border-radius: var(--radius-lg); aspect-ratio: 16/10; background: var(--paper-3); margin-bottom: 1rem; }
.bcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--t); }
.bcard:hover .bcard__media img { transform: scale(1.05); }
.bcard__date { font-size: .78rem; color: var(--muted); letter-spacing: .05em; }
.bcard__title { font-size: 1.3rem; margin-top: .4rem; }

/* ===================== FOOTER ===================== */
.footer { background: var(--ink); color: var(--paper); padding-top: clamp(3rem, 6vw, 5rem); }
.footer__cta { text-align: center; padding: clamp(3rem, 8vw, 7rem) var(--gutter); border-bottom: 1px solid var(--line-light); }
.footer__cta-kicker { color: var(--accent); font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 1.2rem; }
.footer__cta-title { color: #fff; font-size: clamp(2rem, 6vw, 4.2rem); margin-bottom: 2rem; }
.footer__main { max-width: var(--container); margin-inline: auto; padding: clamp(3rem,5vw,4.5rem) var(--gutter); display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 2.5rem; }
.footer__col { display: flex; flex-direction: column; gap: .7rem; }
.footer__col a { color: rgba(245,242,236,.66); font-size: .95rem; transition: color var(--t-fast); width: fit-content; }
.footer__col a:hover { color: var(--accent); }
.brand--footer { color: #fff; margin-bottom: .4rem; }
.footer__logo { height: 52px; width: auto; margin-bottom: 1.1rem; }
.footer__desc { color: rgba(245,242,236,.55); font-size: .92rem; max-width: 32ch; }
.footer__social { display: flex; gap: 1rem; margin-top: 1rem; }
.footer__heading { font-family: var(--font-body); font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--stone); margin-bottom: .5rem; font-weight: 600; }
.footer__address { color: rgba(245,242,236,.66); font-size: .92rem; }
.footer__phone { color: rgba(245,242,236,.66); font-size: .95rem; }
.footer__bottom { border-top: 1px solid var(--line-light); }
.footer__bottom { max-width: var(--container); margin-inline: auto; padding: 1.6rem var(--gutter); display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer__legal { display: flex; gap: 1.4rem; }
.footer__legal a { color: rgba(245,242,236,.55); font-size: .82rem; transition: color var(--t-fast); }
.footer__legal a:hover { color: #fff; }
.footer__credits { display: flex; gap: 1.4rem; align-items: center; font-size: .82rem; color: rgba(245,242,236,.5); flex-wrap: wrap; }
.footer__by a { color: #114232; font-weight: 600; transition: color var(--t-fast); } /* RAL 6005 */
.footer__by a:hover { color: #fff; text-decoration: underline; }

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float {
    position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 58px; height: 58px; border-radius: 50%;
    background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 30px -6px rgba(37,211,102,.6);
    transition: transform var(--t-fast); animation: wa-pulse 2.6s ease-out infinite;
}
.whatsapp-float:hover { transform: scale(1.08); }
@keyframes wa-pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* ===================== COOKIE ===================== */
.cookie { position: fixed; left: 22px; right: 22px; bottom: 22px; z-index: 95; max-width: 640px; }
.cookie__inner { background: var(--ink); color: var(--paper); border-radius: var(--radius-lg); padding: 1.3rem 1.5rem; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 1rem; }
.cookie__text strong { color: #fff; display: block; margin-bottom: .3rem; }
.cookie__text p { color: rgba(245,242,236,.7); font-size: .88rem; }
.cookie__text a { color: var(--accent); }
.cookie__actions { display: flex; gap: .6rem; flex-wrap: wrap; }
@media (min-width: 640px) { .cookie__inner { flex-direction: row; align-items: center; justify-content: space-between; } }

/* ===================== ALERTS ===================== */
.alert { padding: 1rem 1.3rem; border-radius: var(--radius); font-size: .95rem; margin-bottom: 1rem; border-left: 3px solid; }
.alert--success { background: #eef6ee; color: #1f5130; border-color: #2f8f4e; }
.alert--error { background: #fbeeee; color: #7a2626; border-color: #c0392b; }

/* ===================== CUSTOM CURSOR ===================== */
.cursor { position: fixed; top: 0; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); pointer-events: none; z-index: 9999; transform: translate(-50%, -50%); mix-blend-mode: normal; transition: width .3s, height .3s, background .3s; display: none; }
.cursor__label { position: absolute; inset: 0; display: grid; place-items: center; font-size: .68rem; font-weight: 600; letter-spacing: .05em; color: #fff; text-transform: uppercase; opacity: 0; transition: opacity .3s; white-space: nowrap; }
.cursor.is-view { width: 84px; height: 84px; background: var(--accent); }
.cursor.is-view .cursor__label { opacity: 1; }
.cursor.is-stick { width: 44px; height: 44px; background: rgba(141,36,36,.25); border: 1px solid var(--accent); }
/* Custom yuvarlak imleç devre dışı — normal imleç kullanılıyor */
.cursor { display: none !important; }

/* ===================== REVEAL ANIM ===================== */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--t-slow), transform .8s cubic-bezier(.16,1,.3,1); }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* ===================== PAGE HEADER (inner) ===================== */
.pagehead { padding: clamp(120px, 16vh, 190px) 0 clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line); position: relative; }
.pagehead__title { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 800; letter-spacing: -0.03em; }
.pagehead__desc { color: var(--muted); max-width: 56ch; margin-top: 1.2rem; font-size: 1.1rem; }
.breadcrumb { display: flex; gap: .5rem; font-size: .82rem; color: var(--muted); margin-bottom: 1.4rem; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: .5; }

/* ===================== FILTER TABS ===================== */
.filters { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: clamp(2rem, 4vw, 3rem); }
.filter {
    padding: .7rem 1.3rem; border-radius: 100px; border: 1px solid var(--line); background: transparent;
    font-weight: 600; font-size: .9rem; color: var(--ink-2); transition: all var(--t-fast); display: inline-flex; gap: .5rem; align-items: center;
}
.filter:hover { border-color: var(--ink); }
.filter.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.filter__count { font-size: .78rem; opacity: .6; }

/* proje listesi filtre animasyonu */
.pgrid--list .pcard { transition: opacity .5s, transform .5s; }
.pgrid--list .pcard.is-hidden { display: none; }

/* ===================== PROJECT DETAIL ===================== */
.pd-hero { position: relative; height: clamp(52vh, 70vh, 80vh); overflow: hidden; display: flex; align-items: flex-end; color: #fff; }
.pd-hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pd-hero__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,16,18,.35), rgba(15,16,18,.85)); }
.pd-hero__inner { position: relative; z-index: 2; width: 100%; max-width: var(--container); margin-inline: auto; padding: 0 var(--gutter) clamp(2.5rem, 5vw, 4rem); }
.pd-hero__badge { display: inline-flex; padding: .4rem .9rem; border-radius: 100px; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.2rem; }
.pd-hero__title { font-size: clamp(2.2rem, 6vw, 4.6rem); font-weight: 800; letter-spacing: -0.03em; }
.pd-hero__meta { margin-top: 1rem; display: flex; gap: 1.4rem; color: rgba(255,255,255,.82); font-size: .95rem; flex-wrap: wrap; }
.pd-body { display: grid; grid-template-columns: 1.7fr 1fr; gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(3rem, 6vw, 5.5rem); align-items: start; }
.pd-desc p { margin-bottom: 1.2rem; color: var(--ink-2); font-size: 1.08rem; }
.pd-tech { background: var(--paper-2); border-radius: var(--radius-lg); padding: 1.8rem; position: sticky; top: 100px; }
.pd-tech h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.2rem; font-family: var(--font-body); font-weight: 700; }
.pd-tech dl { display: grid; gap: .9rem; margin: 0; }
.pd-tech .row { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); padding-bottom: .9rem; }
.pd-tech dt { color: var(--muted); font-size: .9rem; }
.pd-tech dd { margin: 0; font-weight: 600; text-align: right; font-size: .92rem; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: clamp(12px, 1.5vw, 20px); }
.gallery__item { overflow: hidden; border-radius: var(--radius-lg); background: var(--paper-3); aspect-ratio: 4/3; cursor: pointer; position: relative; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--t); }
.gallery__item:hover img { transform: scale(1.05); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(12,13,14,.94); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .35s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 4px; }
.lightbox__btn { position: absolute; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: #fff; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 1.4rem; transition: background var(--t-fast); }
.lightbox__btn:hover { background: rgba(255,255,255,.22); }
.lightbox__close { top: 22px; right: 22px; }
.lightbox__prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 22px; top: 50%; transform: translateY(-50%); }
.lightbox__count { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.7); font-size: .85rem; letter-spacing: .1em; }

/* ===================== SERVICE detail / list ===================== */
.svc-detail { padding-block: clamp(3rem,6vw,5rem); }
.svc-detail__grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(2rem,5vw,4rem); }
.svc-detail__body p { font-size: 1.1rem; color: var(--ink-2); margin-bottom: 1.2rem; }
.svc-side { display: flex; flex-direction: column; gap: .4rem; }
.svc-side__link { display: flex; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid var(--line); font-weight: 600; transition: color var(--t-fast); }
.svc-side__link:hover { color: var(--accent); }
.svc-side__link.is-active { color: var(--accent); }

/* ===================== CONTACT ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); padding-block: clamp(2.5rem, 5vw, 4.5rem); align-items: start; }
.info-block { margin-bottom: 1.8rem; }
.info-block__label { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .4rem; }
.info-block__value { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; letter-spacing: -0.01em; }
.info-block__value a:hover { color: var(--accent); }
.map { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); margin-top: 1.5rem; aspect-ratio: 16/10; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.3) contrast(1.05); }

/* Forms */
.form { display: grid; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.label { font-size: .82rem; font-weight: 600; color: var(--ink-2); }
.label .req { color: var(--accent-2); }
.input, .textarea, .select {
    width: 100%; padding: .9rem 1rem; border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--white); font: inherit; color: var(--ink); transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(141,36,36,.14); }
.textarea { resize: vertical; min-height: 140px; }
.field-error { color: #c0392b; font-size: .82rem; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

/* ===================== LEGAL / PROSE ===================== */
.prose { max-width: 760px; }
.prose p { margin-bottom: 1.2rem; color: var(--ink-2); }
.prose h2 { font-size: 1.5rem; margin: 2rem 0 .8rem; }
.prose h3 { font-size: 1.2rem; margin: 1.6rem 0 .6rem; }
.prose ul { padding-left: 1.2rem; margin-bottom: 1.2rem; }
.prose li { margin-bottom: .5rem; color: var(--ink-2); }

/* ===================== EMPTY STATE ===================== */
.empty { text-align: center; padding: clamp(3rem, 8vw, 6rem) 0; color: var(--muted); }
.empty h3 { font-size: 1.6rem; color: var(--ink); margin-bottom: .6rem; }

/* ===================== RELATED ===================== */
.related { border-top: 1px solid var(--line); padding-block: clamp(3rem, 5vw, 4.5rem); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 980px) {
    .nav__menu { display: none; }
    .nav__cta { display: none; }
    .nav__toggle { display: inline-flex; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; background: transparent; border: 0; }
    .nav__toggle span { width: 24px; height: 2px; background: currentColor; transition: transform var(--t), opacity var(--t); display: block; }
    body[data-page="home"] .nav:not(.is-scrolled) .nav__toggle { color: #fff; }
    .nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
    .nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
    .intro__grid { grid-template-columns: 1fr; }
    .pd-body { grid-template-columns: 1fr; }
    .pd-tech { position: static; }
    .svc-detail__grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .why__grid { grid-template-columns: 1fr 1fr; }
    .footer__main { grid-template-columns: 1fr 1fr; }
    .svc-row { grid-template-columns: auto 1fr; gap: 1rem; }
    .svc-row__desc, .svc-row__arrow { display: none; }
}
@media (max-width: 680px) {
    body { font-size: 16px; }
    .pgrid { grid-template-columns: repeat(2, 1fr); }
    .pcard, .pcard--lg, .pcard--sm, .pcard--wide { grid-column: span 2; grid-row: auto; }
    .pcard--lg .pcard__media { aspect-ratio: 4/3; }
    .pcard--wide .pcard__media { aspect-ratio: 16/10; }
    .split__grid { grid-template-columns: 1fr; }
    .why__grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .footer__main { grid-template-columns: 1fr; }
    .field--row { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; align-items: flex-start; }
}