/* =========================================================
   Hakkımızda — About.css
   Scope: .ab-page
   Tüm renkler tx-theme.css, tüm fontlar tx-typography.css
   token'larından çekilir.
   ========================================================= */

.ab-page {
    background: var(--tx-white);
    overflow-x: clip;
}

/* ---------- HERO ---------- */
.ab-hero {
    padding: 50px 0 30px;
    background: var(--tx-white);
}

.ab-hero-inner {
    max-width: 980px;
}

.ab-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--tx-navy-500), transparent 92%);
    color: var(--tx-navy-700);
    font-family: var(--tx-font-sans);
    font-size: var(--tx-text-xs);
    font-weight: var(--tx-font-semibold);
    letter-spacing: var(--tx-tracking-wide);
    text-transform: uppercase;
    margin-bottom: 18px;
}

.ab-hero-badge i {
    color: var(--tx-navy-500);
}

.ab-hero-title {
    color: var(--tx-navy-900);
    margin: 0 0 16px;
}

.ab-hero-title-accent {
    color: var(--tx-navy-500);
}

.ab-hero-desc {
    color: var(--tx-text-muted);
    margin: 0;
    max-width: 820px;
    font-size: var(--tx-text-base);
    line-height: var(--tx-leading-relaxed);
}

/* ---------- BÖLÜM ---------- */
.ab-section {
    padding: 60px 0;
    background: var(--tx-white);
}

.ab-section--alt {
    background: var(--tx-cream);
}

.ab-section--tight {
    padding: 30px 0 60px;
}

/* ---------- BÖLÜM BAŞLIKLARI ---------- */
.ab-section-head {
    text-align: center;
    margin-bottom: 40px;
}

.ab-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--tx-navy-500);
    color: var(--tx-white);
    padding: 7px 18px;
    border-radius: 999px;
    font-family: var(--tx-font-sans);
    font-size: var(--tx-text-sm);
    font-weight: var(--tx-font-semibold);
    margin-bottom: 16px;
}

.ab-section-badge i {
    font-size: var(--tx-text-base);
}

.ab-section-title {
    color: var(--tx-navy-900);
    font-family: var(--tx-font-display);
    font-size: var(--tx-text-3xl);
    font-weight: var(--tx-font-bold);
    line-height: var(--tx-leading-tight);
    margin: 0 0 12px;
}

.ab-section-desc {
    color: var(--tx-text-muted);
    font-size: var(--tx-text-base);
    line-height: var(--tx-leading-relaxed);
    margin: 0 auto;
    max-width: 680px;
}

/* ---------- STAT KARTLARI ---------- */
.ab-stat-card {
    position: relative;
    background: var(--tx-white);
    border: 1px solid var(--tx-cream-soft);
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 10px 28px rgba(1, 30, 44, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    overflow-x: clip;
    height: 100%;
}

.ab-stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--tx-navy-500) 0%, var(--tx-navy-600) 100%);
}

.ab-stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--tx-shadow-md);
    border-color: var(--tx-navy-100);
}

.ab-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--tx-navy-500), transparent 88%);
    color: var(--tx-navy-500);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--tx-text-2xl);
    margin: 0 auto 16px;
}

.ab-stat-value {
    color: var(--tx-navy-500);
    font-family: var(--tx-font-display);
    font-size: var(--tx-text-3xl);
    font-weight: var(--tx-font-bold);
    line-height: var(--tx-leading-tight);
    margin: 0 0 6px;
}

.ab-stat-label {
    color: var(--tx-text-muted);
    font-family: var(--tx-font-sans);
    font-size: var(--tx-text-sm);
    font-weight: var(--tx-font-medium);
    letter-spacing: 0.4px;
    text-transform: uppercase;
    margin: 0;
}

/* ---------- TIMELINE ---------- */
.ab-tl-wrapper {
    position: relative;
    padding: 20px 0;
}

.ab-tl-spine {
    display: none;
}

@media (min-width: 992px) {
    .ab-tl-spine {
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        background: linear-gradient(to bottom,
            transparent 0%,
            var(--tx-navy-100) 8%,
            var(--tx-navy-100) 92%,
            transparent 100%);
    }
}

.ab-tl-entry {
    margin-bottom: 60px;
    position: relative;
}

.ab-tl-entry:last-child {
    margin-bottom: 0;
}

.ab-tl-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--tx-navy-500);
    border: 4px solid var(--tx-white);
    box-shadow: 0 0 0 3px var(--tx-navy-500), 0 4px 16px rgba(4, 65, 95, 0.30);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    margin: 0 auto;
}

.ab-tl-card {
    background: var(--tx-white);
    border: 1px solid var(--tx-cream-soft);
    border-radius: 20px;
    padding: 28px 30px;
    box-shadow: var(--tx-shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    height: 100%;
}

.ab-tl-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tx-shadow-md);
    border-color: var(--tx-navy-100);
}

.ab-tl-year {
    display: inline-block;
    background: color-mix(in srgb, var(--tx-navy-500), transparent 88%);
    color: var(--tx-navy-500);
    font-family: var(--tx-font-sans);
    font-size: var(--tx-text-xs);
    font-weight: var(--tx-font-bold);
    letter-spacing: 1.5px;
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.ab-tl-card h3 {
    color: var(--tx-navy-900);
    font-family: var(--tx-font-display);
    font-size: var(--tx-text-xl);
    font-weight: var(--tx-font-bold);
    margin: 0 0 12px;
}

.ab-tl-card p {
    color: var(--tx-text-muted);
    font-size: var(--tx-text-sm);
    line-height: var(--tx-leading-relaxed);
    margin: 0;
}

.ab-tl-img-wrap {
    border-radius: 20px;
    overflow-x: clip;
    box-shadow: var(--tx-shadow-md);
    aspect-ratio: 4 / 3;
    position: relative;
}

.ab-tl-img-wrap.ts-media-lazy > img,
.ab-tl-img-wrap.ts-media-lazy > picture > img,
.ab-tl-img-wrap > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease, opacity 0.28s ease;
}

.ab-tl-img-wrap:hover > img {
    transform: scale(1.04);
}

/* ═════════════════════════════════════════════════════════
   GALERİ — YÜKSEK PERFORMANSLI CSS-ONLY MARQUEE
   ─────────────────────────────────────────────────────────
   • Pure CSS animation (RAF / JS animasyon yok)
   • GPU-accelerated transform
   • IntersectionObserver ile dışında durur (About.js)
   • prefers-reduced-motion desteği
   • Hover davranışı: animation pause + hafif zoom (overlay yok)
   ═════════════════════════════════════════════════════════ */
.ab-gallery {
    padding: 60px 0 80px;
    background: var(--tx-cream);
    overflow-x: clip;
}

.ab-gal-track-wrap {
    position: relative;
    width: 100%;
    overflow-x: clip;
    /* Galeri animasyonu için izolasyon — paint/layout çakışmasını önler */
    contain: layout paint style;
}

/* Sol-sağ fade maskeleri */
.ab-gal-track-wrap::before,
.ab-gal-track-wrap::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.ab-gal-track-wrap::before {
    left: 0;
    background: linear-gradient(to right, var(--tx-cream) 0%, transparent 100%);
}

.ab-gal-track-wrap::after {
    right: 0;
    background: linear-gradient(to left, var(--tx-cream) 0%, transparent 100%);
}

/* Galeri akış container */
.ab-gal-track {
    display: flex;
    gap: 20px;
    width: max-content;
    /* GPU acceleration */
    will-change: transform;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    perspective: 1000px;
}

/* Sağdan-sola animasyon */
.ab-gal-track--rtl {
    animation: ab-gal-rtl 60s linear infinite;
}

@keyframes ab-gal-rtl {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-50%, 0, 0); }
}

/* Soldan-sağa animasyon */
.ab-gal-track--ltr {
    animation: ab-gal-ltr 65s linear infinite;
}

@keyframes ab-gal-ltr {
    from { transform: translate3d(-50%, 0, 0); }
    to   { transform: translate3d(0, 0, 0); }
}

/* Hover'da pause (CSS-only) */
.ab-gal-track-wrap:hover .ab-gal-track {
    animation-play-state: paused;
}

/* Sayfa görünüm dışındayken pause (About.js → is-paused class) */
.ab-gallery.is-paused .ab-gal-track {
    animation-play-state: paused;
}

/* Reduced motion: animasyonu kapat */
@media (prefers-reduced-motion: reduce) {
    .ab-gal-track--rtl,
    .ab-gal-track--ltr {
        animation: none;
    }
}

.ab-gal-item {
    flex: 0 0 380px;
    width: 380px;
}

.ab-gal-img-wrap {
    position: relative;
    border-radius: 18px;
    overflow: clip;
    aspect-ratio: 4 / 3;
    box-shadow: 0 6px 28px rgba(4, 65, 95, 0.10);
    border: 1px solid var(--tx-cream-soft);
    background: var(--tx-navy-100);
}

/* Görsel — sadece hafif zoom hover efekti, başka hiçbir şey yok */
.ab-gal-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: inherit;
    transition: transform 0.45s ease;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

/* Hover'da hafif yakınlaşma (overlay/yazı tamamen kaldırıldı) */
.ab-gal-track-wrap:hover .ab-gal-img-wrap:hover img {
    transform: scale(1.04) translate3d(0, 0, 0);
}

.ab-gal-mt {
    margin-top: 20px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 991.98px) {
    .ab-section {
        padding: 44px 0;
    }

    .ab-tl-entry {
        margin-bottom: 44px;
    }

    .ab-tl-entry .row > .order-lg-1:first-child {
        order: 2 !important;
    }

    .ab-tl-entry .row > .order-lg-3:last-child {
        order: 1 !important;
    }

    .ab-gal-item {
        flex: 0 0 300px;
        width: 300px;
    }

    .ab-gal-track--rtl,
    .ab-gal-track--ltr {
        animation-duration: 50s;
    }
}

@media (max-width: 767.98px) {
    .ab-hero {
        padding: 36px 0 24px;
    }

    .ab-section-title {
        font-size: var(--tx-text-2xl);
    }

    .ab-stat-card {
        padding: 22px 16px;
    }

    .ab-stat-value {
        font-size: var(--tx-text-2xl);
    }

    .ab-tl-card {
        padding: 22px 20px;
        border-radius: 18px;
    }

    .ab-tl-card h3 {
        font-size: var(--tx-text-lg);
    }

    .ab-gallery {
        padding: 44px 0 60px;
    }

    .ab-gal-item {
        flex: 0 0 240px;
        width: 240px;
    }

    .ab-gal-track-wrap::before,
    .ab-gal-track-wrap::after {
        width: 60px;
    }

    .ab-gal-track--rtl,
    .ab-gal-track--ltr {
        animation-duration: 40s;
    }
}