/* =====================================================================
   YBM Sanal Vitrin — 3D cam vitrin kartları, Haftanın Eseri, sayaçlar,
   kaydırınca beliren bölümler. (ÇOMÜ Yer Bilimleri ve Doğa Tarihi Müzesi)
   ===================================================================== */
:root {
    --ybm-green: #88d200;
    --ybm-ink: #0b0f17;
    --ybm-hall: #10141c;
    --ybm-brass: #c9a96a;
}

/* ---------- Müze salonu zemini ---------- */
.vitrin-hall {
    position: relative;
    padding: 80px 0 70px;
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(136, 210, 0, .10), transparent 70%),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(201, 169, 106, .08), transparent 70%),
        linear-gradient(180deg, #0b0f17 0%, #121826 55%, #0b0f17 100%);
    overflow: hidden;
    color: #e2e8f0;
}
.vitrin-hall::before { /* tavandan gelen ışık huzmeleri */
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: repeating-linear-gradient(100deg, transparent 0 140px, rgba(255,255,255,.018) 140px 200px);
}
.vitrin-hall .container { position: relative; }
.vitrin-eyebrow { color: var(--ybm-green); font-weight: 700; letter-spacing: 3px; font-size: 12px; text-transform: uppercase; }
.vitrin-title { color: #fff; font-weight: 800; font-size: clamp(26px, 3.4vw, 40px); margin: 6px 0 8px; letter-spacing: -.5px; }
.vitrin-sub { color: #94a3b8; max-width: 640px; margin: 0 auto; font-size: 15px; }

/* ---------- Sekmeler ---------- */
.vitrin-tabs { display: inline-flex; flex-wrap: wrap; gap: 6px; padding: 6px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09); margin: 28px 0 38px; }
.vitrin-tab { border: 0; background: transparent; color: #cbd5e1; padding: 9px 20px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer; transition: all .25s; }
.vitrin-tab:hover { color: #fff; background: rgba(255,255,255,.06); }
.vitrin-tab.active { background: var(--ybm-green); color: #0b0f17; box-shadow: 0 6px 20px rgba(136,210,0,.35); }
.vitrin-tab:focus-visible { outline: 2px solid var(--ybm-green); outline-offset: 2px; }
.vitrin-panel { display: none; }
.vitrin-panel.active { display: grid; animation: vitrinFade .5s ease both; }
@keyframes vitrinFade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.vitrin-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 34px 26px; }

/* ---------- Vitrin kartı ---------- */
.vitrin-card { perspective: 1100px; }
.vitrin-inner {
    position: relative; transform-style: preserve-3d;
    transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform .5s cubic-bezier(.2,.8,.2,1);
}
.vitrin-card.is-tilting .vitrin-inner { transition: transform .08s linear; }

.vitrin-case {
    position: relative; display: block; aspect-ratio: 4 / 4.3; border-radius: 14px 14px 4px 4px;
    background: radial-gradient(ellipse 80% 70% at 50% 35%, #1f2937 0%, #0a0d13 75%);
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: inset 0 0 0 1px rgba(0,0,0,.6), inset 0 -40px 60px rgba(0,0,0,.55), 0 24px 40px -18px rgba(0,0,0,.8);
    overflow: hidden; text-decoration: none !important; transform-style: preserve-3d;
}
.vitrin-spot { /* tepeden vuran spot ışık */
    position: absolute; left: 50%; top: -30%; width: 120%; height: 95%; transform: translateX(-50%);
    background: radial-gradient(ellipse 45% 60% at 50% 0%, rgba(255, 244, 214, .22), transparent 70%);
    pointer-events: none; z-index: 2; transition: opacity .4s;
}
.vitrin-faces { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .8s cubic-bezier(.3,.7,.2,1); }
.vitrin-card.flipped .vitrin-faces { transform: rotateY(180deg); }
.vitrin-face { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 11% 7% 9%; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.vitrin-back { transform: rotateY(180deg); }
.vitrin-face img {
    max-width: 100%; max-height: 100%; object-fit: contain; display: block;
    border-radius: 6px;
    filter: drop-shadow(0 18px 18px rgba(0,0,0,.65)) saturate(1.06) contrast(1.04);
    transform: translateZ(40px) scale(.98); transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .6s;
}
.vitrin-card:hover .vitrin-face img { transform: translateZ(60px) scale(1.05); filter: drop-shadow(0 26px 22px rgba(0,0,0,.7)) saturate(1.12) contrast(1.06); }
.vitrin-noimg { font-size: 64px; opacity: .5; }
.vitrin-case::after { /* zemin gölgesi / kaide yansıması */
    content: ""; position: absolute; left: 18%; right: 18%; bottom: 7%; height: 12px; border-radius: 50%;
    background: radial-gradient(ellipse, rgba(0,0,0,.75), transparent 70%); z-index: 1;
}
.vitrin-glass { /* cam yansıması — imleci takip eder */
    position: absolute; inset: 0; z-index: 3; pointer-events: none;
    background:
        linear-gradient(115deg, transparent 30%, rgba(255,255,255,.10) 45%, rgba(255,255,255,.02) 52%, transparent 60%),
        radial-gradient(circle at var(--gx, 30%) var(--gy, 20%), rgba(255,255,255,.14), transparent 40%);
    background-size: 220% 100%, 100% 100%;
    background-position: var(--sheen, 100%) 0, 0 0;
    transition: background-position .9s ease;
    border-radius: inherit;
}
.vitrin-card:hover .vitrin-glass { --sheen: 0%; }
.vitrin-chip, .vitrin-metric, .vitrin-flip-hint {
    position: absolute; z-index: 4; font-size: 11px; font-weight: 700; letter-spacing: .3px;
    padding: 4px 10px; border-radius: 999px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.vitrin-chip { top: 12px; left: 12px; background: rgba(15,23,42,.65); color: #e2e8f0; border: 1px solid rgba(255,255,255,.12); }
.vitrin-metric { top: 12px; right: 12px; background: rgba(136,210,0,.92); color: #0b0f17; }
.vitrin-flip-hint { bottom: 12px; right: 12px; background: rgba(255,255,255,.12); color: #fff; opacity: 0; transition: opacity .3s; }
.vitrin-card.has-back:hover .vitrin-flip-hint { opacity: 1; }
.vitrin-flip-btn { /* dokunmatik cihazlarda çevirme düğmesi */
    position: absolute; right: 10px; top: calc(100% - 118px); z-index: 6; width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.2); background: rgba(15,23,42,.7); color: #fff; display: none; cursor: pointer;
}
@media (hover: none) { .vitrin-flip-btn { display: inline-flex; align-items: center; justify-content: center; } .vitrin-flip-hint { display: none; } }

/* Kaide ve pirinç etiket */
.vitrin-plinth {
    position: relative; margin: 0 4px; padding: 14px 16px 16px;
    background: linear-gradient(180deg, #1c2230 0%, #141924 100%);
    border: 1px solid rgba(255,255,255,.07); border-top: 0; border-radius: 0 0 12px 12px;
    box-shadow: 0 30px 40px -24px rgba(0,0,0,.9);
    transform: translateZ(20px);
}
.vitrin-plinth::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, transparent, var(--ybm-brass), transparent); opacity: .7; }
.vitrin-name { display: block; color: #f8fafc !important; font-weight: 700; font-size: 15px; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-decoration: none !important; }
.vitrin-name:hover { color: var(--ybm-green) !important; }
.vitrin-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-top: 6px; font-size: 12px; color: #94a3b8; min-height: 22px; }
.vitrin-meta .fa-map-marker { color: #f87171; margin-right: 3px; }
.vitrin-age { padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.vitrin-formula { font-family: "Cambria Math", Georgia, serif; color: var(--ybm-brass); font-size: 12.5px; }
.vitrin-inv { position: absolute; right: 14px; top: 15px; font-size: 10.5px; color: #64748b; font-weight: 600; letter-spacing: .5px; }
.vitrin-label { padding-right: 62px; }

/* ---------- Haftanın Eseri ---------- */
.week-pick { position: relative; padding: 0; background: #07090d; overflow: hidden; color: #e2e8f0; }
.week-pick-bg { position: absolute; inset: -40px; background-size: cover; background-position: center; filter: blur(40px) brightness(.35) saturate(1.3); transform: scale(1.1); }
.week-pick .container { position: relative; z-index: 2; }
.week-pick-row { display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: center; min-height: 520px; padding: 70px 0; }
@media (max-width: 991px) { .week-pick-row { grid-template-columns: 1fr; gap: 30px; padding: 55px 0; } }
.week-pick-stage {
    position: relative; aspect-ratio: 1 / 1; max-height: 520px; border-radius: 50%;
    background: radial-gradient(circle at 50% 40%, rgba(255,244,214,.16), rgba(0,0,0,0) 60%);
    display: flex; align-items: center; justify-content: center; perspective: 1000px;
}
.week-pick-stage::after { content: ""; position: absolute; bottom: 8%; left: 22%; right: 22%; height: 22px; border-radius: 50%; background: radial-gradient(ellipse, rgba(0,0,0,.8), transparent 70%); }
.week-pick-stage img {
    position: relative; z-index: 1; max-width: 80%; max-height: 80%; object-fit: contain; border-radius: 8px;
    filter: drop-shadow(0 30px 30px rgba(0,0,0,.7));
    animation: weekFloat 7s ease-in-out infinite;
}
@keyframes weekFloat { 0%,100% { transform: translateY(0) rotateY(-6deg); } 50% { transform: translateY(-14px) rotateY(6deg); } }
.week-pick-ring { position: absolute; inset: 6%; border-radius: 50%; border: 1px dashed rgba(201,169,106,.35); animation: weekSpin 60s linear infinite; }
@keyframes weekSpin { to { transform: rotate(360deg); } }
.week-pick-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(201,169,106,.15); color: var(--ybm-brass); border: 1px solid rgba(201,169,106,.4); padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.week-pick h2 { color: #fff; font-size: clamp(28px, 3.8vw, 46px); font-weight: 800; letter-spacing: -.8px; margin: 16px 0 10px; line-height: 1.12; }
.week-pick-desc { color: #cbd5e1; font-size: 15.5px; line-height: 1.75; max-width: 560px; }
.week-pick-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 24px 0 28px; max-width: 560px; }
.week-pick-fact { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09); border-radius: 12px; padding: 12px 14px; }
.week-pick-fact small { display: block; color: #94a3b8; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.week-pick-fact strong { color: #f1f5f9; font-size: 14px; font-weight: 600; }
.week-pick-btn { display: inline-flex; align-items: center; gap: 10px; background: var(--ybm-green); color: #0b0f17 !important; font-weight: 700; padding: 12px 26px; border-radius: 999px; text-decoration: none !important; box-shadow: 0 10px 30px rgba(136,210,0,.3); transition: transform .25s, box-shadow .25s; }
.week-pick-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(136,210,0,.45); }

/* ---------- Sayaçlar ---------- */
.ybm-stats { background: #0b0f17; border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); padding: 34px 0; }
.ybm-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 18px; text-align: center; }
.ybm-stat-num { display: block; font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; color: #fff; letter-spacing: -1px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.ybm-stat-num::after { content: attr(data-suffix); color: var(--ybm-green); }
.ybm-stat-label { color: #94a3b8; font-size: 12.5px; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; }
.ybm-stat a { text-decoration: none !important; display: block; padding: 8px; border-radius: 12px; transition: background .25s; }
.ybm-stat a:hover { background: rgba(255,255,255,.04); }

/* ---------- Kaydırınca belirme ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .07s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .14s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .21s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .28s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .35s; }
.reveal-stagger.in > *:nth-child(n+7) { transition-delay: .42s; }

@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
    .week-pick-stage img, .week-pick-ring { animation: none; }
    .vitrin-inner, .vitrin-faces, .vitrin-face img { transition: none; }
}

/* Siyah fonlu stüdyo fotoğrafları vitrin zeminine kaynaşsın (siyah = şeffaf gibi davranır) */
.vitrin-face img { mix-blend-mode: lighten; }
.vitrin-meta { flex-wrap: nowrap; }
.vitrin-meta > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vitrin-meta .vitrin-age, .vitrin-meta .vitrin-formula { flex-shrink: 0; white-space: nowrap; }
/* Karışım (lighten) için her yüzün kendi zemini olmalı — 3D katmanda arka plan izole olur */
.vitrin-face { background: radial-gradient(ellipse 80% 70% at 50% 38%, #222b3a 0%, #0a0d13 78%); border-radius: inherit; }
.week-pick-stage img { mix-blend-mode: lighten; max-width: 88%; max-height: 88%; }
/* Fotoğraf kenarlarını yumuşakça karanlığa erit (gri fonlu fotoğraflar için) */
.week-pick-stage img { -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 62%, transparent 100%); mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 62%, transparent 100%); filter: none; }
.vitrin-3d { position: absolute; z-index: 4; bottom: 12px; left: 12px; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px; background: rgba(136,210,0,.92); color: #0b0f17; letter-spacing: .5px; }