/*
 * TileReveal (tile-reveal.js) — kaydırmayla oynayan yapışkan görsel ızgarası. Bağımlılıksız.
 * Görünüm yalnızca aşağıdaki değişkenlerle ayarlanır: projeye taşırken kendi token'larına bağla (README.md).
 */
.tile-reveal {
    --tile-reveal-bg: #f7f7f4;
    --tile-reveal-ink: #141414;
    --tile-reveal-muted: #7a7974;
    --tile-reveal-tile-bg: #e6e5e0;
    --tile-reveal-accent: #f54e00;
    --tile-reveal-font: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
    --tile-reveal-radius: 4px;
    --tile-reveal-shadow: rgba(38, 37, 16, 0.1) 0px 0px 0px 1px, rgba(0, 0, 0, 0.1) 0px 14px 32px 0px;
    /* Kaydırma uzunluğu: sahnenin kaç ekran boyu yapışık kalacağı. */
    --tile-reveal-scroll: 2.6;

    position: relative; background: var(--tile-reveal-bg); font-family: var(--tile-reveal-font);
    height: calc(100vh * (1 + var(--tile-reveal-scroll))); height: calc(100svh * (1 + var(--tile-reveal-scroll)));
}
.tile-reveal-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: grid; place-items: center; }
.tile-reveal-grid { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); transform-origin: 50% 50%; will-change: transform; }
.tile-reveal-tile {
    position: absolute; overflow: hidden; border-radius: var(--tile-reveal-radius); background: var(--tile-reveal-tile-bg);
    box-shadow: var(--tile-reveal-shadow); will-change: transform;
}
.tile-reveal-tile img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }

.tile-reveal-content { position: relative; z-index: 1; width: min(760px, calc(100% - 32px)); text-align: center; }
/* Başlık kart değil: kutucuklar üstünden geçerken okunur kalsın diye arkasında zemin renginde yumuşak bir geçiş var. */
.tile-reveal-content::before {
    content: ''; position: absolute; inset: -80px -120px; z-index: -1; pointer-events: none;
    background: radial-gradient(closest-side,
        color-mix(in srgb, var(--tile-reveal-bg) 97%, transparent) 58%,
        color-mix(in srgb, var(--tile-reveal-bg) 86%, transparent) 76%,
        transparent);
}
.tile-reveal-title {
    font-family: inherit; font-weight: 400; font-size: clamp(32px, 4.2vw, 56px); line-height: 1.05;
    letter-spacing: -0.03em; color: var(--tile-reveal-ink); text-wrap: balance; margin: 0;
}
.tile-reveal-lead { font-size: 18px; line-height: 1.5; color: var(--tile-reveal-muted); max-width: 560px; margin: 20px auto 0; }
.tile-reveal-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 28px; }
.tile-reveal-btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 13px 18px; border: 1px solid var(--tile-reveal-accent);
    border-radius: var(--tile-reveal-radius); background: transparent; color: var(--tile-reveal-accent);
    font: 600 14px/1 var(--tile-reveal-font); text-decoration: none; transition: background-color 0.2s;
}
.tile-reveal-btn:hover { background: color-mix(in srgb, var(--tile-reveal-accent) 8%, transparent); text-decoration: none; }
.tile-reveal-btn:focus-visible { outline: 2px solid var(--tile-reveal-ink); outline-offset: 2px; }

/* Gizli içerik açılırken yüksekliği de açılır (max-height JS'ten); görünmezken odaklanılamaz. */
.tile-reveal-more { overflow: hidden; opacity: var(--tile-reveal-progress, 0); visibility: hidden; }
.tile-reveal.is-revealed .tile-reveal-more, .tile-reveal.is-focused .tile-reveal-more { visibility: visible; }
.tile-reveal.is-focused .tile-reveal-more { opacity: 1; max-height: none !important; }

/* Hareketi azaltma tercihi ve JS'siz görünüm: düz ızgara, altında içerik. */
.tile-reveal.is-static { height: auto; }
.tile-reveal.is-static .tile-reveal-stage { position: static; height: auto; overflow: visible; display: block; max-width: 1280px; margin: 0 auto; padding: 28px 24px 0; }
.tile-reveal.is-static .tile-reveal-grid { position: static; transform: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.tile-reveal.is-static .tile-reveal-grid:empty { display: none; }
.tile-reveal.is-static .tile-reveal-tile { position: static; aspect-ratio: 16 / 10; }
.tile-reveal.is-static .tile-reveal-content { margin: 43px auto 0; }
.tile-reveal.is-static .tile-reveal-content::before { display: none; }
.tile-reveal.is-static .tile-reveal-more { opacity: 1; visibility: visible; max-height: none; }

@media (max-width: 560px) {
    .tile-reveal-content::before { inset: -32px -24px; }
    .tile-reveal-lead { font-size: 16px; }
}