/* ==========================================================================
   ICOAIS — ANA SAYFA
   Bölümler: banner · where AI delivers value · facts · schedule · speakers · partners
   Not: parallax (background-attachment: fixed) kaldırıldı — her kaydırma
   karesinde tüm sayfayı yeniden çizdiriyordu.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Üst görsel şerit
   Banner bir <img> olarak basılır: hiçbir ekran genişliğinde kırpılmaz,
   üzerindeki yazılar her zaman tam görünür. Dar ekranlarda <picture> ile
   dikey sürüme geçilir.
   -------------------------------------------------------------------------- */

#banner {
    position: relative;
    background: var(--ic-ink-950);
    line-height: 0;
}

#banner picture,
#banner .banner-image {
    display: block;
    width: 100%;
    height: auto;
}

/* Çok geniş ekranlarda aşırı yükselmesin */
@media (min-width: 1800px) {
    #banner .banner-image {
        max-height: 640px;
        object-fit: cover;
        object-position: center top;
    }
}

/* Panelden başlık girilmişse görselin üstüne biner */
#banner .container {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    line-height: var(--ic-lh-base);
}

#banner .banner-content {
    padding: var(--ic-sp-6) 0 var(--ic-sp-7);
    color: #fff;
    text-shadow: 0 2px 18px rgba(0, 0, 0, .6);
}

#banner .banner-title {
    margin: 0 0 var(--ic-sp-2);
    color: #fff;
    font-size: clamp(20px, 2.6vw, 32px);
    font-weight: 800;
    letter-spacing: .02em;
}

#banner .banner-desc {
    margin: 0;
    color: rgba(255, 255, 255, .9);
    font-size: clamp(14px, 1.5vw, 18px);
    font-weight: 400;
    line-height: var(--ic-lh-snug);
}

/* --------------------------------------------------------------------------
   2. Where AI Delivers Value
   -------------------------------------------------------------------------- */

#ts-intro {
    position: relative;
    background: var(--ic-ink-950);
    padding: var(--ic-sp-10) 0;
    overflow: hidden;
}

#ts-intro::before {
    content: '';
    position: absolute;
    top: -140px;
    left: 50%;
    width: 720px;
    height: 720px;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(192, 57, 43, .14) 0%, transparent 70%);
    pointer-events: none;
}

#ts-intro .container { position: relative; z-index: 1; }

#ts-intro .ai-section-title {
    max-width: 780px;
    margin: 0 auto var(--ic-sp-9);
    text-align: center;
}

#ts-intro .ai-section-title h1 {
    position: relative;
    display: inline-block;
    margin-bottom: var(--ic-sp-5);
    color: #fff;
    font-size: clamp(26px, 3.4vw, 38px);
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

#ts-intro .ai-section-title h1 span { color: var(--ic-red-500); }

#ts-intro .ai-section-title h1::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -14px;
    width: 64px;
    height: 3px;
    transform: translateX(-50%);
    background: var(--ic-red-500);
    border-radius: var(--ic-radius-pill);
}

#ts-intro .ai-section-title p {
    margin: 0;
    color: rgba(255, 255, 255, .68);
    font-size: var(--ic-fs-md);
    line-height: var(--ic-lh-base);
}

/* --- Kart ızgarası --- */

.ai-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--ic-sp-5);
    align-items: stretch;
}

.ai-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--ic-radius-lg);
    overflow: hidden;
    transition: transform var(--ic-dur-slow) var(--ic-ease),
                border-color var(--ic-dur-slow) var(--ic-ease),
                background-color var(--ic-dur-slow) var(--ic-ease),
                box-shadow var(--ic-dur-slow) var(--ic-ease);
}

.ai-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 3px;
    background: var(--ic-red-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--ic-dur-slow) var(--ic-ease);
}

.ai-card:hover {
    transform: translate3d(0, -6px, 0);
    background: rgba(255, 255, 255, .07);
    border-color: rgba(192, 57, 43, .45);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
}

.ai-card:hover::after { transform: scaleX(1); }

.ai-card .card-img-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--ic-ink-800);
}

.ai-card .card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s var(--ic-ease);
}

.ai-card:hover .card-img-wrap img { transform: scale(1.06); }

.ai-card .card-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 9, 26, .75), transparent 60%);
}

.ai-card .card-body-inner {
    flex: 1;
    padding: var(--ic-sp-5) var(--ic-sp-5) var(--ic-sp-6);
}

.ai-card h3,
.ai-card h4 {
    margin: 0 0 var(--ic-sp-3);
    color: #fff;
    font-size: var(--ic-fs-md);
    font-weight: 700;
    line-height: var(--ic-lh-snug);
    letter-spacing: .01em;
}

.ai-card span,
.ai-card p {
    display: block;
    color: rgba(255, 255, 255, .62);
    font-size: 14px;
    line-height: var(--ic-lh-base);
}

.ai-card ul.list-arrow {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ai-card ul.list-arrow li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, .62);
    font-size: 14px;
    line-height: var(--ic-lh-snug);
}

.ai-card ul.list-arrow li:last-child { margin-bottom: 0; }

.ai-card ul.list-arrow li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--ic-red-500);
    border-right: 2px solid var(--ic-red-500);
    transform: rotate(45deg);
}

/* --------------------------------------------------------------------------
   3. Sayılar (Facts)
   -------------------------------------------------------------------------- */

#facts.facts-area {
    position: relative;
    padding: var(--ic-sp-9) 0;
    background-color: var(--ic-ink-900);
    background-image: url(../images/parallax1.jpg);
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    /* background-attachment: fixed KALDIRILDI — kaydırma performansı */
    color: #fff;
}

#facts.facts-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(6, 9, 26, .93), rgba(10, 15, 30, .82));
}

#facts .container { position: relative; z-index: 1; }

#facts .facts-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ic-sp-5);
    width: 100%;
}

#facts .ts-facts {
    width: auto;
    padding: var(--ic-sp-6) var(--ic-sp-4);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--ic-radius-lg);
    background: rgba(255, 255, 255, .03);
    transition: transform var(--ic-dur-slow) var(--ic-ease),
                border-color var(--ic-dur-slow) var(--ic-ease),
                background-color var(--ic-dur-slow) var(--ic-ease);
}

#facts .ts-facts:hover {
    transform: translate3d(0, -5px, 0);
    border-color: rgba(192, 57, 43, .5);
    background: rgba(255, 255, 255, .06);
}

#facts .ts-facts-icon {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 66px;
    height: 66px;
    margin-bottom: var(--ic-sp-4);
    border-radius: 50%;
    background: rgba(192, 57, 43, .14);
    border: 1px solid rgba(192, 57, 43, .35);
    transition: background-color var(--ic-dur-slow) var(--ic-ease);
}

#facts .ts-facts:hover .ts-facts-icon { background: var(--ic-red-500); }

#facts .ts-facts-icon i {
    font-size: 26px;
    color: var(--ic-red-200);
    transition: color var(--ic-dur-slow) var(--ic-ease);
}

#facts .ts-facts:hover .ts-facts-icon i { color: #fff; }

#facts .ts-facts-num {
    margin: 0 0 var(--ic-sp-1);
    color: #fff;
    font-size: var(--ic-fs-3xl);
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

#facts .ts-facts-title {
    margin: 0;
    color: rgba(255, 255, 255, .62);
    font-size: var(--ic-fs-sm);
    font-weight: 600;
    letter-spacing: var(--ic-track-wide);
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   4. Etkinlik programı
   -------------------------------------------------------------------------- */

#ts-schedule {
    background: var(--ic-surface-alt);
    padding: var(--ic-sp-10) 0;
}

.schedule-split-row {
    display: grid;
    grid-template-columns: 38fr 62fr;
    gap: var(--ic-sp-8);
    align-items: start;
}

.schedule-split-right { min-width: 0; }

/* Sol: kapanış raporu görseli */
.schedule-split-left {
    position: sticky;
    top: 110px;
}

.schedule-report-link {
    display: block;
    border: 1px solid var(--ic-border);
    border-radius: var(--ic-radius-lg);
    overflow: hidden;
    box-shadow: var(--ic-shadow-lg);
    transition: transform var(--ic-dur-slow) var(--ic-ease),
                box-shadow var(--ic-dur-slow) var(--ic-ease);
}

.schedule-report-link img { display: block; width: 100%; }

.schedule-report-link:hover {
    transform: translate3d(0, -6px, 0);
    box-shadow: 0 26px 60px rgba(10, 15, 30, .26);
}

/* Sağ: başlık şeridi */
.schedule-right-title { margin-bottom: var(--ic-sp-6); }

.schedule-right-title .section-title {
    display: block;
    margin: 0;
    padding: var(--ic-sp-4) var(--ic-sp-6);
    background: var(--ic-ink-900);
    border-left: 4px solid var(--ic-red-500);
    border-radius: 0 var(--ic-radius) var(--ic-radius) 0;
    color: #fff;
    font-size: var(--ic-fs-xl);
    font-weight: 300;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.schedule-right-title .section-title::after { display: none; }

.schedule-right-title .section-sub-title {
    margin: var(--ic-sp-3) 0 0 var(--ic-sp-6);
    color: var(--ic-text-muted);
    font-size: 14px;
}

/* Program listesi */
.schedule-tab {
    background: var(--ic-surface);
    border: 1px solid var(--ic-border);
    border-radius: var(--ic-radius-lg);
    box-shadow: var(--ic-shadow-md);
    overflow: hidden;
}

.schedule-date:empty { display: none; }

.schedule-listing {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--ic-sp-6);
    padding: var(--ic-sp-3) var(--ic-sp-5);
    border-bottom: 1px solid var(--ic-border);
    transition: background-color var(--ic-dur) var(--ic-ease);
}

.schedule-listing:last-child { border-bottom: 0; }

.schedule-listing::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--ic-red-500);
    transform: scaleY(0);
    transition: transform var(--ic-dur) var(--ic-ease);
}

.schedule-listing:hover { background: #fbf7f7; }
.schedule-listing:hover::before { transform: scaleY(1); }

.schedule-listing .d-flex-col {
    display: flex;
    flex-direction: column;
    flex: 0 0 auto;
    min-width: 130px;
    padding-right: var(--ic-sp-4);
    border-right: 1px solid var(--ic-border);
}

.schedule-listing .d-flex-col > div:first-child {
    display: inline-block;
    margin-bottom: 6px;
    padding: 4px 10px;
    background: #f0f2f7;
    border-radius: var(--ic-radius-sm);
    color: var(--ic-text-strong);
    font-size: 14px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.schedule-listing .d-flex-col > div:last-child {
    color: var(--ic-text-faint);
    font-size: var(--ic-fs-sm);
}

.schedule-listing .d-flex-col i { color: var(--ic-red-500); margin-right: 4px; }

.schedule-slot-info {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0 !important;
    max-width: none;
    width: auto;
}

.schedule-slot-speaker-name,
.schedule-slot-title { overflow-wrap: break-word; }

.schedule-slot-speaker-name {
    margin: 0 0 4px;
    color: var(--ic-text-strong);
    font-size: var(--ic-fs-base);
    font-weight: 700;
    line-height: var(--ic-lh-snug);
}

.schedule-slot-title {
    margin: 0;
    color: var(--ic-text-muted);
    font-size: var(--ic-fs-sm);
    font-weight: 400;
    line-height: var(--ic-lh-snug);
}

.schedule-slot-title:empty { display: none; }

/* --------------------------------------------------------------------------
   5. Konuşmacılar
   -------------------------------------------------------------------------- */

#ts-speakers.ts-speakers {
    position: relative;
    padding: var(--ic-sp-10) 0;
    background-color: var(--ic-ink-900);
    background-image: url(../images/parallax2.jpg);
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    /* background-attachment: fixed KALDIRILDI */
    color: #fff;
}

#ts-speakers.ts-speakers::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(6, 9, 26, .94), rgba(10, 15, 30, .84));
}

#ts-speakers .container { position: relative; z-index: 1; }

#ts-speakers .speakers-head { text-align: center; margin-bottom: var(--ic-sp-8); }

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: var(--ic-sp-5);
}

.ts-speaker {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--ic-radius-lg);
    overflow: hidden;
    transition: transform var(--ic-dur-slow) var(--ic-ease),
                border-color var(--ic-dur-slow) var(--ic-ease),
                box-shadow var(--ic-dur-slow) var(--ic-ease);
}

.ts-speaker:hover {
    transform: translate3d(0, -6px, 0);
    border-color: rgba(192, 57, 43, .45);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .4);
}

.ts-speaker-image {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--ic-ink-800);
}

.ts-speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s var(--ic-ease);
}

.ts-speaker:hover .ts-speaker-image img { transform: scale(1.05); }

/* Sosyal bağlantılar — kartın üstünde alttan kayarak gelir */
.ts-speaker-image .social-links {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    gap: var(--ic-sp-2);
    list-style: none;
    margin: 0;
    padding: var(--ic-sp-3);
    background: linear-gradient(to top, rgba(6, 9, 26, .92), transparent);
    transform: translate3d(0, 100%, 0);
    opacity: 0;
    transition: transform var(--ic-dur-slow) var(--ic-ease),
                opacity var(--ic-dur-slow) var(--ic-ease);
}

.ts-speaker:hover .ts-speaker-image .social-links,
.ts-speaker:focus-within .ts-speaker-image .social-links {
    transform: translate3d(0, 0, 0);
    opacity: 1;
}

.ts-speaker-image .social-links a {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    color: #fff;
    font-size: 14px;
    transition: background-color var(--ic-dur) var(--ic-ease);
}

.ts-speaker-image .social-links a:hover { background: var(--ic-red-500); }

/* Boş sosyal bağlantıları gizle (link alanı boşsa) */
.ts-speaker-image .social-links a[href=""],
.ts-speaker-image .social-links a:not([href]) { display: none; }

.ts-speaker-info {
    flex: 1;
    padding: var(--ic-sp-4) var(--ic-sp-4) var(--ic-sp-5);
    text-align: center;
}

.ts-speaker-name {
    margin: 0 0 4px;
    font-size: var(--ic-fs-base);
    font-weight: 700;
    line-height: var(--ic-lh-snug);
}

.ts-speaker-name,
.ts-speaker-name a { color: #fff; }
.ts-speaker-name a:hover { color: var(--ic-red-200); }

.ts-speaker-designation {
    margin: 0;
    color: rgba(255, 255, 255, .58);
    font-size: var(--ic-fs-sm);
    line-height: var(--ic-lh-snug);
}

/* --------------------------------------------------------------------------
   6. Partnerler şeridi
   -------------------------------------------------------------------------- */

#ts-sponsors.ts-sponsors {
    background: var(--ic-surface);
    padding: var(--ic-sp-9) 0;
}

#ts-sponsors .partners-title-bar {
    text-align: center;
    margin-bottom: var(--ic-sp-7);
}

#ts-sponsors .partners-title-bar h2 {
    position: relative;
    display: inline-block;
    margin: 0;
    color: var(--ic-text-strong);
    font-size: var(--ic-fs-2xl);
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

#ts-sponsors .partners-title-bar h2::after {
    content: '';
    display: block;
    width: 56px;
    height: 3px;
    margin: var(--ic-sp-3) auto 0;
    background: var(--ic-red-500);
    border-radius: var(--ic-radius-pill);
}

.partners-marquee {
    position: relative;
    overflow: hidden;
    /* Kenarlarda yumuşak geçiş */
    -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
            mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
}

.partners-track {
    display: flex;
    align-items: center;
    gap: var(--ic-sp-8);
    width: max-content;
    /* transform animasyonu — GPU'da çalışır, düzen hesaplaması tetiklemez */
    animation: ic-marquee 38s linear infinite;
    will-change: transform;
}

.partners-marquee:hover .partners-track,
.partners-marquee:focus-within .partners-track { animation-play-state: paused; }

@keyframes ic-marquee {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-50%, 0, 0); }
}

.partner-logo-box {
    flex: 0 0 auto;
    width: 170px;
    height: 92px;
    display: grid;
    place-items: center;
    padding: var(--ic-sp-3);
    background: var(--ic-surface);
    border: 1px solid var(--ic-border);
    border-radius: var(--ic-radius);
    transition: border-color var(--ic-dur) var(--ic-ease),
                box-shadow var(--ic-dur) var(--ic-ease);
}

.partner-logo-box:hover {
    border-color: var(--ic-red-500);
    box-shadow: var(--ic-shadow-md);
}

.partner-logo-box img {
    max-width: 100%;
    max-height: 66px;
    width: auto;
    object-fit: contain;
    filter: grayscale(1);
    opacity: .85;
    transition: filter var(--ic-dur) var(--ic-ease), opacity var(--ic-dur) var(--ic-ease);
}

.partner-logo-box:hover img { filter: grayscale(0); opacity: 1; }

/* --------------------------------------------------------------------------
   7. Harita
   -------------------------------------------------------------------------- */

.google_maps_iframe {
    max-width: var(--ic-container);
    margin: 0 auto;
    border: 1px solid var(--ic-border);
    border-radius: var(--ic-radius);
    overflow: hidden;
}

.google_maps_iframe:empty { display: none; }

.google_maps_iframe iframe {
    width: 100%;
    height: 100%;
    max-height: 460px;
    border: 0;
    display: block;
}

/* --------------------------------------------------------------------------
   8. Duyarlılık
   -------------------------------------------------------------------------- */

@media (max-width: 991.98px) {
    .schedule-split-row { grid-template-columns: 1fr; gap: var(--ic-sp-6); }
    .schedule-split-left { position: static; }
    #ts-intro, #ts-schedule, #ts-speakers.ts-speakers { padding: var(--ic-sp-8) 0; }
}

@media (max-width: 575.98px) {
    .ai-cards-grid { grid-template-columns: 1fr; }
    .speakers-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--ic-sp-3); }

    .schedule-listing { flex-wrap: wrap; gap: var(--ic-sp-2); padding: var(--ic-sp-3) var(--ic-sp-4); }
    .schedule-listing .d-flex-col { border-right: 0; padding-right: 0; min-width: 0; width: 100%; flex-direction: row; align-items: center; gap: var(--ic-sp-3); }
    .schedule-listing .d-flex-col > div:first-child { margin-bottom: 0; }
    .schedule-slot-info { width: 100%; }

    #facts .ts-facts-num { font-size: var(--ic-fs-2xl); }
    .partner-logo-box { width: 132px; height: 76px; }
    .partners-track { gap: var(--ic-sp-5); }
}