/* =========================================================
   10. Araştırma Okulu — Tasarım Sistemi (vanilla CSS)
   Renkler afişten alınmıştır: sıcak sarı/turuncu, teal, lacivert, krem.
   ========================================================= */

:root {
    --gold: #F2A81D;
    --gold-deep: #E08C10;
    --gold-soft: #FBD46A;
    --teal: #2C9AA0;
    --teal-deep: #1F7C82;
    --navy: #163a5b;
    --navy-deep: #0f2942;
    --cream: #FBF6EC;
    --cream-2: #F4ECDC;
    --ink: #263238;
    --muted: #5c6b73;
    --line: #e7dfce;
    --white: #ffffff;

    --shadow-sm: 0 2px 10px rgba(22, 58, 91, .06);
    --shadow: 0 12px 40px rgba(22, 58, 91, .10);
    --shadow-lg: 0 24px 60px rgba(22, 58, 91, .16);
    --radius: 16px;
    --radius-lg: 26px;
    --wrap: 1160px;

    --font-head: "Poppins", "Segoe UI", system-ui, sans-serif;
    --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-script: "Kaushan Script", cursive;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--cream);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-weight: 800; }
h2 { font-weight: 700; }
a { color: var(--teal-deep); text-decoration: none; }
a:hover { color: var(--gold-deep); }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }
.section--cream { background: var(--cream); }
.section--white { background: var(--white); }
.section--sand { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%); }

.eyebrow {
    display: inline-block;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: .78rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--teal-deep);
    background: rgba(44, 154, 160, .10);
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
}

.section-title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 14px; }
.section-lead { color: var(--muted); max-width: 720px; font-size: 1.06rem; }
.center { text-align: center; }
.center .section-lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-head); font-weight: 600; font-size: .98rem;
    padding: 14px 28px; border-radius: 999px; border: 2px solid transparent;
    cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--gold); color: var(--navy-deep); box-shadow: 0 10px 24px rgba(242, 168, 29, .34); }
.btn--primary:hover { background: var(--gold-deep); color: #fff; }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn--outline { background: transparent; border-color: var(--teal); color: var(--teal-deep); }
.btn--outline:hover { background: var(--teal); color: #fff; }
.btn--lg { padding: 17px 36px; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.topbar {
    background: var(--navy-deep); color: #cfe1e6;
    font-size: .84rem; letter-spacing: .02em;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; height: 40px; gap: 18px; }
.topbar a { color: #cfe1e6; }
.topbar a:hover { color: var(--gold-soft); }
.topbar .topbar__contact { display: flex; gap: 22px; }
.topbar .topbar__social { display: flex; gap: 14px; align-items: center; }

.nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__badge {
    width: 44px; height: 44px; border-radius: 12px; flex: none;
    background: linear-gradient(140deg, var(--gold) 0%, var(--gold-deep) 100%);
    color: var(--navy-deep); display: grid; place-items: center;
    font-family: var(--font-head); font-weight: 800; font-size: 1.05rem;
    box-shadow: var(--shadow-sm);
}
.brand__text { line-height: 1.1; }
.brand__text strong { font-family: var(--font-script); font-size: 1.35rem; color: var(--navy); font-weight: 400; display: block; }
.brand__text span { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
    font-family: var(--font-head); font-weight: 500; font-size: .95rem;
    color: var(--navy); padding: 10px 15px; border-radius: 10px; transition: background .18s, color .18s;
}
.nav__links a:hover, .nav__links a.active { background: var(--cream-2); color: var(--gold-deep); }
.nav__cta { margin-left: 6px; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 26px; height: 3px; background: var(--navy); border-radius: 3px; margin: 5px 0; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
    position: relative; overflow: hidden; color: #fff;
    background: linear-gradient(135deg, #FBD46A 0%, #F2A81D 42%, #E08C10 100%);
}
.hero::before {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(1000px 500px at 88% -10%, rgba(255,255,255,.35), transparent 60%),
        radial-gradient(700px 500px at 5% 120%, rgba(31,124,130,.55), transparent 60%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding: 72px 0 84px; }
.hero__badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(15,41,66,.14); border: 1px solid rgba(255,255,255,.4);
    padding: 8px 18px; border-radius: 999px; font-family: var(--font-head); font-weight: 600;
    font-size: .82rem; letter-spacing: .08em; margin-bottom: 22px; color: var(--navy-deep);
}
.hero__num { font-family: var(--font-script); font-size: 1.15rem; color: #fff; }
.hero h1 {
    color: #fff; font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 800;
    text-shadow: 0 4px 24px rgba(15,41,66,.25); margin-bottom: 10px;
}
.hero__title { font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1.05; margin-bottom: 16px; }
.hero__title .hero__pre { display: block; font-size: .34em; font-weight: 600; letter-spacing: .02em; color: var(--navy-deep); margin-bottom: 4px; }
.hero h1 .script { font-family: var(--font-script); font-weight: 400; display: block; }
.hero__theme {
    font-size: clamp(1.15rem, 2.1vw, 1.4rem); font-weight: 500; font-style: italic;
    color: var(--navy-deep); max-width: 600px; margin: 6px 0 28px;
}
.hero__meta { display: flex; flex-wrap: wrap; gap: 14px 34px; margin-bottom: 8px; font-family: var(--font-head); font-weight: 600; color: var(--navy-deep); }
.hero__meta div { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__poster {
    position: relative; justify-self: center;
    border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg);
    transform: rotate(1.4deg); border: 6px solid #fff; max-width: 340px;
}
.hero__poster img { width: 100%; }
.hero__wave { position: absolute; bottom: -1px; left: 0; width: 100%; z-index: 2; line-height: 0; }
.hero__wave svg { width: 100%; height: 70px; display: block; }

/* ---------- Countdown ---------- */
.countdown { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.countdown__item {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    min-width: 96px; padding: 18px 10px; text-align: center; box-shadow: var(--shadow-sm);
}
.countdown__num { font-family: var(--font-head); font-weight: 800; font-size: 2.2rem; color: var(--gold-deep); line-height: 1; }
.countdown__label { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__icon {
    width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
    background: rgba(44,154,160,.12); color: var(--teal-deep); margin-bottom: 18px;
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.22rem; margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; }

/* ---------- Davet (invitation) ---------- */
.invite { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 56px; position: relative; overflow: hidden; }
.invite::before { content: ""; position: absolute; top: 0; left: 0; width: 6px; height: 100%; background: linear-gradient(var(--gold), var(--teal)); }
.invite p { margin: 0 0 18px; color: #3c4a52; font-size: 1.05rem; }
.invite__sign { margin-top: 30px; padding-top: 24px; border-top: 1px dashed var(--line); font-family: var(--font-head); }
.invite__sign strong { color: var(--navy); display: block; }
.invite__sign span { display: block; color: var(--muted); font-size: .96rem; }
.invite__sign .lead { color: var(--gold-deep); font-weight: 600; margin-bottom: 6px; }

/* ---------- Kurullar ---------- */
.kurul { margin-bottom: 48px; }
.kurul:last-child { margin-bottom: 0; }
.kurul__head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.kurul__head h3 { margin: 0; font-size: 1.35rem; color: var(--navy); }
.kurul__head::after { content: ""; flex: 1; height: 2px; background: linear-gradient(90deg, var(--line), transparent); }
.kurul__pill { font-family: var(--font-head); font-size: .8rem; font-weight: 600; color: var(--teal-deep); background: rgba(44,154,160,.1); padding: 4px 12px; border-radius: 999px; }

.kurul__grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 48px;
}

@media (max-width: 768px) {
    .kurul__grid-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

.namelist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.namelist--single { max-width: 650px; }
.namelist li {
    position: relative; padding: 7px 0 7px 24px; font-size: .98rem; color: var(--ink);
}
.namelist li::before {
    content: ""; position: absolute; left: 4px; top: 50%; transform: translateY(-50%);
    width: 7px; height: 7px; border-radius: 50%; background: var(--gold);
}
.namelist--plain li { background: transparent; border: 0; }

/* ---------- Venue ---------- */
.venue { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.venue__card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.venue__list { list-style: none; margin: 20px 0 0; padding: 0; }
.venue__list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.venue__list li:last-child { border-bottom: 0; }
.venue__list b { color: var(--navy); }
.map-embed { border: 0; width: 100%; height: 380px; border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- Forms ---------- */
.formwrap { max-width: 760px; margin: 0 auto; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 44px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: .92rem; color: var(--navy); }
.field label .req { color: #d64545; }
.field input, .field select, .field textarea {
    font-family: var(--font-body); font-size: 1rem; padding: 13px 15px;
    border: 1.5px solid var(--line); border-radius: 12px; background: var(--cream);
    color: var(--ink); transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: 0; border-color: var(--teal); background: #fff; box-shadow: 0 0 0 4px rgba(44,154,160,.14);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .check { display: flex; align-items: center; gap: 10px; font-weight: 500; color: var(--ink); font-family: var(--font-body); }
.field .check input { width: 18px; height: 18px; }
.field-error { color: #d64545; font-size: .85rem; }
.form-note { color: var(--muted); font-size: .92rem; margin-top: 6px; }
/* Honeypot — kullanıcıdan gizli, ekran okuyuculardan ve tab sırasından çıkarılmış */
.hp { position: absolute !important; left: -9999px !important; top: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.field input[type=file] { padding: 11px 14px; background: var(--cream); border: 1.5px dashed var(--line); border-radius: 12px; font-size: .92rem; cursor: pointer; }
.field input[type=file]::file-selector-button { font-family: var(--font-head); font-weight: 600; font-size: .85rem; border: 0; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; margin-right: 12px; cursor: pointer; }
.field input[type=file]:hover { border-color: var(--teal); }
.radio-row { display: flex; flex-wrap: wrap; gap: 14px 28px; }
.radio-row .check { background: var(--cream); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 18px; cursor: pointer; transition: border-color .15s, background .15s; }
.radio-row .check:hover { border-color: var(--teal); }
.radio-row .check input { width: 18px; height: 18px; accent-color: var(--teal-deep); }
.branch { border-top: 1px dashed var(--line); margin-top: 26px; padding-top: 22px; }
.branch__title { font-family: var(--font-head); font-weight: 700; color: var(--navy); font-size: 1.1rem; margin: 26px 0 16px; display: flex; align-items: center; gap: 10px; }
.branch__title::before { content: ""; width: 8px; height: 22px; border-radius: 4px; background: linear-gradient(var(--gold), var(--gold-deep)); }
.branch:first-of-type + .branch { margin-top: 0; }

.alert { border-radius: 12px; padding: 16px 20px; margin-bottom: 24px; font-weight: 500; }
.alert--ok { background: #e7f6ec; color: #1c6b3a; border: 1px solid #b6e2c6; }
.alert--warn { background: #fdf3e0; color: #97640a; border: 1px solid #f4dca0; }
.alert--info { background: #e8f4f5; color: var(--teal-deep); border: 1px solid #bfe2e4; }

/* ---------- Sponsors / logos ---------- */
.logos { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; justify-content: center; }
.logos .logo-chip {
    display: flex; align-items: center; gap: 12px; padding: 18px 26px; border-radius: 14px;
    background: var(--white); border: 1px solid var(--line); font-family: var(--font-head); font-weight: 600; color: var(--navy);
}

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy) 0%, var(--teal-deep) 100%); color: #fff; border-radius: var(--radius-lg); padding: 54px; text-align: center; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; }
.cta-band p { color: #cfe1e6; max-width: 560px; margin: 0 auto 26px; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-deep); color: #b9cdd6; padding: 60px 0 26px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.footer a { color: #b9cdd6; }
.footer a:hover { color: var(--gold-soft); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer__brand strong { font-family: var(--font-script); font-size: 1.6rem; color: #fff; font-weight: 400; }
.footer__bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .88rem; }

/* ---------- Page hero (inner pages) ---------- */
.pagehero { background: linear-gradient(135deg, var(--navy) 0%, var(--teal-deep) 100%); color: #fff; padding: 66px 0 60px; position: relative; overflow: hidden; }
.pagehero::after { content: ""; position: absolute; right: -60px; top: -60px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(242,168,29,.35), transparent 70%); }
.pagehero .wrap { position: relative; z-index: 2; }
.pagehero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); }
.pagehero p { color: #d3e4ea; max-width: 620px; margin: 0; }
.breadcrumb { font-size: .85rem; color: #a9c4cd; margin-bottom: 14px; }
.breadcrumb a { color: #a9c4cd; }

/* ---------- Kurallar (proje/poster) ---------- */
.rules { max-width: 900px; margin: 0 auto; }
.rules__intro p { font-size: 1.08rem; color: #3c4a52; margin: 0 0 16px; }
.rule-block { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 34px; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.rule-block > h3 { display: flex; align-items: center; gap: 12px; font-size: 1.28rem; margin-bottom: 18px; }
.rule-block > h3::before { content: ""; width: 10px; height: 26px; border-radius: 4px; background: linear-gradient(var(--gold), var(--gold-deep)); flex: none; }
.rule-block ol { margin: 0; padding-left: 4px; list-style: none; counter-reset: r; display: grid; gap: 12px; }
.rule-block ol li { position: relative; padding: 4px 0 4px 40px; counter-increment: r; color: #3c4a52; line-height: 1.6; }
.rule-block ol li::before {
    content: counter(r); position: absolute; left: 0; top: 3px; width: 26px; height: 26px;
    background: rgba(44,154,160,.13); color: var(--teal-deep); border-radius: 8px;
    display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: .82rem;
}
.rule-warn { margin-top: 18px; background: #fdf0f0; border: 1px solid #f2cccc; color: #b23b3b; border-radius: 10px; padding: 13px 18px; font-weight: 600; font-size: .95rem; }
.rule-note { margin-top: 16px; color: var(--muted); font-style: italic; font-size: .95rem; }

.soon-banner {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: space-between;
    background: linear-gradient(120deg, var(--navy) 0%, var(--teal-deep) 100%); color: #fff;
    border-radius: var(--radius); padding: 22px 28px; box-shadow: var(--shadow-sm); margin-bottom: 30px;
}
.soon-banner b { font-family: var(--font-head); font-size: 1.1rem; color: #fff; }
.soon-banner span { color: #cfe1e6; font-size: .95rem; }
.soon-tag { display: inline-block; background: var(--gold); color: var(--navy-deep); font-family: var(--font-head); font-weight: 700; font-size: .82rem; padding: 8px 18px; border-radius: 999px; white-space: nowrap; }

/* Boş durum / yakında sayfası */
.soon-page { max-width: 640px; margin: 0 auto; text-align: center; }
.soon-page .card__icon { width: 78px; height: 78px; margin: 0 auto 22px; background: rgba(242,168,29,.14); color: var(--gold-deep); }
.soon-page .card__icon svg { width: 36px; height: 36px; }

.form-embed { margin-top: 30px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; scroll-margin-top: 100px; }
.form-embed__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 20px 26px; border-bottom: 1px solid var(--line); }
.form-embed__head h3 { margin: 0; font-size: 1.2rem; }
.form-embed iframe { width: 100%; height: 1150px; border: 0; display: block; background: #fff; }

.rules__sign { margin-top: 26px; padding: 24px 30px; border-radius: var(--radius); background: var(--cream-2); border: 1px solid var(--line); }
.rules__sign p { margin: 0 0 4px; color: var(--muted); }
.rules__sign strong { display: block; color: var(--navy); font-family: var(--font-head); }

/* ---------- Galeri & Slider ---------- */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.gallery-header__text { max-width: 640px; }
.gallery-header__text .section-title { margin-bottom: 8px; }

.gallery-filters {
    display: flex;
    gap: 8px;
    background: var(--cream-2);
    padding: 6px;
    border-radius: 999px;
    border: 1px solid var(--line);
}
.gallery-filter-btn {
    background: transparent;
    border: none;
    padding: 9px 18px;
    border-radius: 999px;
    font-family: var(--font-head);
    font-size: .9rem;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    transition: all .2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.gallery-filter-btn:hover {
    color: var(--gold-deep);
    background: rgba(255,255,255,.6);
}
.gallery-filter-btn.active {
    background: var(--navy);
    color: #fff;
    box-shadow: 0 4px 12px rgba(22, 58, 91, .20);
}
.gallery-filter-count {
    font-size: .78rem;
    opacity: .8;
}

.gallery-slider-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gallery-slider {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #0b1a2b;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--line);
    user-select: none;
}
.gallery-slider:focus-visible {
    outline: 3px solid var(--gold);
}

.gallery-track {
    position: relative;
    width: 100%;
    height: 520px;
}

.gallery-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .45s ease-in-out, transform .45s ease;
    transform: scale(1.02);
}
.gallery-slide.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scale(1);
}

.gallery-slide__media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.gallery-slide__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.gallery-slide__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,41,66,0.15) 0%, rgba(15,41,66,0.1) 40%, rgba(15,41,66,0.88) 85%, rgba(15,41,66,0.96) 100%);
}

.gallery-btn-zoom {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(15, 41, 66, .65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 999px;
    color: #fff;
    font-family: var(--font-head);
    font-size: .86rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform .18s ease, background .2s ease, box-shadow .2s ease;
}
.gallery-btn-zoom:hover {
    background: var(--gold);
    color: var(--navy-deep);
    border-color: var(--gold);
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(242, 168, 29, .4);
}
.gallery-zoom-icon svg { width: 16px; height: 16px; display: block; }

.gallery-slide__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px 36px 74px;
    z-index: 6;
    color: #fff;
}
.gallery-slide__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.gallery-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-head);
    font-size: .76rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.gallery-tag--category {
    background: var(--gold);
    color: var(--navy-deep);
}
.gallery-tag--highlight {
    background: rgba(44, 154, 160, .9);
    color: #fff;
}
.gallery-tag--location {
    background: rgba(255, 255, 255, .20);
    backdrop-filter: blur(6px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .3);
}

.gallery-slide__title {
    font-size: clamp(1.4rem, 2.8vw, 2.1rem);
    color: #fff;
    margin: 0 0 8px;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0,0,0,.35);
}
.gallery-slide__desc {
    font-size: 1.02rem;
    color: rgba(255,255,255,.9);
    max-width: 820px;
    line-height: 1.55;
    margin: 0;
    text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

/* Nav Ok Butonları */
.gallery-nav-btn {
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    z-index: 10;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(15, 41, 66, .65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: all .2s ease;
}
.gallery-nav-btn svg { width: 26px; height: 26px; }
.gallery-nav-btn:hover {
    background: var(--gold);
    color: var(--navy-deep);
    border-color: var(--gold);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 24px rgba(242, 168, 29, .4);
}
.gallery-nav-btn--prev { left: 20px; }
.gallery-nav-btn--next { right: 20px; }

/* Alt Durum Çubuğu */
.gallery-controls-bar {
    position: absolute;
    bottom: 18px;
    right: 24px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(15, 41, 66, .75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, .2);
    padding: 6px 14px;
    border-radius: 999px;
    color: #fff;
    font-family: var(--font-head);
    font-size: .84rem;
}
.gallery-counter {
    font-weight: 700;
    letter-spacing: .05em;
    padding-right: 8px;
    border-right: 1px solid rgba(255,255,255,.25);
}
.gallery-autoplay-btn {
    background: transparent;
    border: none;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-head);
    font-size: .8rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    transition: color .18s;
}
.gallery-autoplay-btn svg { width: 14px; height: 14px; }
.gallery-autoplay-btn:hover { color: var(--gold); }

/* Küçük Önizleme Şeridi (Thumbnails) */
.gallery-thumbs-container {
    overflow: hidden;
    position: relative;
    padding: 4px 0;
}
.gallery-thumbs {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--gold) var(--cream-2);
}
.gallery-thumbs::-webkit-scrollbar {
    height: 6px;
}
.gallery-thumbs::-webkit-scrollbar-track {
    background: var(--cream-2);
    border-radius: 999px;
}
.gallery-thumbs::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 999px;
}

.gallery-thumb {
    flex: 0 0 170px;
    height: 94px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: #0b1a2b;
    padding: 0;
    text-align: left;
    transition: transform .2s ease, border-color .2s ease, opacity .2s ease, box-shadow .2s ease;
    opacity: .7;
}
.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.gallery-thumb__info {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 20%, rgba(15,41,66,0.92) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 8px 10px;
    color: #fff;
    font-family: var(--font-head);
}
.gallery-thumb__title {
    font-size: .78rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.gallery-thumb__sub {
    font-size: .68rem;
    color: var(--gold-soft);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-thumb:hover {
    opacity: 1;
    transform: translateY(-3px);
}
.gallery-thumb.active {
    opacity: 1;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(242, 168, 29, .4), var(--shadow-sm);
    transform: translateY(-2px);
}
.gallery-thumb.hidden {
    display: none;
}

/* Lightbox Modal */
.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: lightboxFadeIn .25s ease-out;
}
@keyframes lightboxFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.gallery-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(11, 26, 43, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.gallery-lightbox__dialog {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    width: 100%;
    background: var(--navy-deep);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.gallery-lightbox__close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 20;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .55);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all .18s;
}
.gallery-lightbox__close svg { width: 22px; height: 22px; }
.gallery-lightbox__close:hover {
    background: var(--gold);
    color: var(--navy-deep);
    border-color: var(--gold);
    transform: rotate(90deg) scale(1.08);
}

.gallery-lightbox__nav {
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    z-index: 20;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .55);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all .18s;
}
.gallery-lightbox__nav svg { width: 24px; height: 24px; }
.gallery-lightbox__nav:hover {
    background: var(--gold);
    color: var(--navy-deep);
    border-color: var(--gold);
    transform: translateY(-50%) scale(1.1);
}
.gallery-lightbox__nav--prev { left: 16px; }
.gallery-lightbox__nav--next { right: 16px; }

.gallery-lightbox__content {
    display: flex;
    flex-direction: column;
}
.gallery-lightbox__image-wrap {
    width: 100%;
    height: 64vh;
    min-height: 380px;
    max-height: 640px;
    background: #050d17;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.gallery-lightbox__image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-lightbox__meta {
    padding: 24px 30px;
    background: var(--navy-deep);
    border-top: 1px solid rgba(255,255,255,.1);
    color: #fff;
    position: relative;
}
.gallery-lightbox__badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}
.gallery-lightbox__title {
    font-size: 1.35rem;
    color: #fff;
    margin: 0 0 6px;
}
.gallery-lightbox__desc {
    font-size: .95rem;
    color: #cfe1e6;
    margin: 0;
    max-width: 800px;
    line-height: 1.5;
}
.gallery-lightbox__counter {
    position: absolute;
    bottom: 24px;
    right: 30px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: .9rem;
    color: var(--gold-soft);
}

/* ---------- Sosyal ikonlar ---------- */
.icon-link { display: inline-flex; align-items: center; gap: 7px; }
.icon-link svg { width: 18px; height: 18px; }
.topbar .icon-link svg { width: 16px; height: 16px; }

/* ---------- utils ---------- */
.stack-sm > * + * { margin-top: 10px; }
.mt-lg { margin-top: 48px; }
.hidden { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero__grid { grid-template-columns: 1fr; text-align: center; }
    .hero__poster { transform: none; margin-top: 20px; }
    .hero__meta, .hero__actions, .hero__badge { justify-content: center; }
    .venue { grid-template-columns: 1fr; }
    .grid--3 { grid-template-columns: 1fr 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .topbar { display: none; }

    .gallery-header { flex-direction: column; align-items: flex-start; }
    .gallery-track { height: 460px; }
    .gallery-slide__caption { padding: 24px 24px 70px; }
}
@media (max-width: 720px) {
    .nav__links {
        position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch;
        background: #fff; padding: 16px 24px; gap: 4px; border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow); transform: translateY(-140%); transition: transform .28s ease; z-index: 40;
    }
    .nav__links.open { transform: translateY(0); }
    .nav__links a { padding: 14px; }
    .nav__cta { margin: 8px 0 0; }
    .nav__toggle { display: block; }
    .section { padding: 56px 0; }
    .grid--3, .grid--2, .form-grid { grid-template-columns: 1fr; }
    .invite, .formwrap, .cta-band, .venue__card { padding: 28px; }
    .footer__grid { grid-template-columns: 1fr; }

    .gallery-track { height: 420px; }
    .gallery-slide__caption { padding: 18px 18px 65px; }
    .gallery-slide__title { font-size: 1.25rem; }
    .gallery-slide__desc { font-size: .88rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .gallery-nav-btn { width: 42px; height: 42px; }
    .gallery-nav-btn--prev { left: 10px; }
    .gallery-nav-btn--next { right: 10px; }
    .gallery-thumb { flex: 0 0 135px; height: 76px; }
    .gallery-controls-bar { bottom: 12px; right: 14px; padding: 4px 10px; font-size: .76rem; }
    .gallery-lightbox { padding: 10px; }
    .gallery-lightbox__image-wrap { height: 50vh; min-height: 260px; }
    .gallery-lightbox__meta { padding: 16px 18px 45px; }
    .gallery-lightbox__counter { bottom: 16px; right: 18px; font-size: .8rem; }
    .gallery-filters { width: 100%; overflow-x: auto; }
    .gallery-filter-btn { font-size: .82rem; padding: 7px 14px; white-space: nowrap; }
}