:root {
    --bg-color: #f4f8ff;
    --text-main: #0b1f3a;
    --text-muted: #5d6f8c;

    --card-bg: #ffffff;
    --nav-bg: rgba(11, 31, 58, 0.88);

    --city-navy: #0b1f3a;
    --city-blue: #1d4ed8;
    --city-green: #0ea5e9;
    --city-soft: #eaf4ff;
    --city-border: #d8e7fb;

    --shadow-sm: 0 8px 24px rgba(37, 99, 235, 0.14);
    --shadow-md: 0 18px 44px rgba(29, 78, 216, 0.14);
    --hover-shadow: 0 22px 54px rgba(29, 78, 216, 0.20);
}

/* Başlık Alanı */
.section-header {
    position: relative;
    text-align: center;
    max-width: 920px;
    margin: 0 auto 42px;
    padding: 0 22px;
}

.section-header::before {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    margin: 0 auto 18px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--city-green), var(--city-blue));
}

.section-header::after {
    display: none;
}

.section-title {
    position: relative;
    display: inline-block;
    margin: 0 0 14px;
    color: var(--text-main);
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -1.2px;
}

.section-title::before,
.section-title::after {
    display: none;
}

.section-subtitle {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: clamp(15px, 1.6vw, 17px);
    font-weight: 400;
    line-height: 1.7;
}

/* Slider Ana Alanı */
.slider-section {
    position: relative;
    width: 100vw;
    max-width: 100%;
    min-height: 360px;
    display: flex;
    align-items: center;
    isolation: isolate;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 18%, rgba(14, 165, 233, 0.16), transparent 30%),
        radial-gradient(circle at 88% 80%, rgba(37, 99, 235, 0.14), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--bg-color) 100%);
    border-block: 1px solid var(--city-border);
}

.slider-section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: linear-gradient(rgba(29, 78, 216, 0.045) 1px, transparent 1px);
    background-size: 100% 56px;
    pointer-events: none;
}

.slider-section::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: min(1120px, 92vw);
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.28), transparent);
}

/* Kenarlarda fade */
.slider-mask {
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 7%, black 93%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 7%, black 93%, transparent 100%);
}

/* Slider Taşıyıcı */
.slider-container {
    display: flex;
    align-items: stretch;
    gap: clamp(18px, 2.6vw, 32px);
    padding: 58px 9vw;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    cursor: grab;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
}

.slider-container::-webkit-scrollbar {
    display: none;
}

.slider-container.grabbing {
    cursor: grabbing;
    scroll-snap-type: none;
}

/* Kart */
.slider-item {
    position: relative;
    flex: 0 0 auto;
    width: clamp(205px, 18vw, 260px);
    scroll-snap-align: center;
    transition: transform 0.28s ease, filter 0.28s ease;
}

.slider-item::before {
    display: none;
}

/* Bağlantı Kartı */
.item-link {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    min-height: 250px;
    width: 100%;
    height: 100%;
    padding: 30px 22px;
    box-sizing: border-box;

    text-decoration: none;
    user-select: none;
    -webkit-user-drag: none;

    border-radius: 24px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--city-border);
    box-shadow: var(--shadow-sm);

    overflow: hidden;
    transform: translateZ(0);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.item-link::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(14, 165, 233, 0.10), transparent 42%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
}

.item-link::after {
    content: "";
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 0;
    height: 3px;
    border-radius: 999px 999px 0 0;
    background: linear-gradient(90deg, var(--city-green), var(--city-blue));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.28s ease;
}

/* Hover */
.slider-item:hover {
    transform: translateY(-6px);
    filter: none;
}

.slider-item:hover .item-link {
    transform: translateY(-2px);
    border-color: rgba(14, 165, 233, 0.36);
    background: #ffffff;
    box-shadow: var(--hover-shadow);
}

.slider-item:hover .item-link::before {
    opacity: 1;
}

.slider-item:hover .item-link::after {
    transform: scaleX(1);
}

/* Logo Alanı */
.logo-wrapper {
    position: relative;
    z-index: 1;

    width: clamp(92px, 8.4vw, 120px);
    height: clamp(92px, 8.4vw, 120px);
    margin-bottom: 24px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 28px;
    background: linear-gradient(180deg, #ffffff 0%, var(--city-soft) 100%);
    border: 1px solid rgba(14, 165, 233, 0.22);
    box-shadow: 0 12px 26px rgba(16, 32, 51, 0.08);

    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.logo-wrapper::before,
.logo-wrapper::after {
    display: none;
}

.slider-item:hover .logo-wrapper {
    transform: scale(1.035);
    border-color: rgba(14, 165, 233, 0.42);
    box-shadow: 0 16px 34px rgba(14, 165, 233, 0.16);
}

.logo-wrapper img {
    max-width: 76%;
    max-height: 76%;
    object-fit: contain;
    pointer-events: none;
    filter: drop-shadow(0 8px 12px rgba(16, 32, 51, 0.10));
    transform: translateZ(0);
}

/* Metin */
.logo-title {
    position: relative;
    z-index: 1;

    color: var(--text-main);
    font-size: clamp(14px, 1.4vw, 16px);
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: -0.15px;
    text-align: center;

    transition: color 0.28s ease, transform 0.28s ease;
}

.logo-title::before {
    content: "";
    display: block;
    width: 34px;
    height: 2px;
    margin: 0 auto 14px;
    border-radius: 999px;
    background: rgba(14, 165, 233, 0.38);
    transition: width 0.28s ease, background 0.28s ease;
}

.slider-item:hover .logo-title {
    color: var(--city-green);
    transform: translateY(-1px);
}

.slider-item:hover .logo-title::before {
    width: 52px;
    background: linear-gradient(90deg, var(--city-green), var(--city-blue));
}

/* Gezinme Butonları */
.nav-btn {
    position: absolute;
    top: 50%;
    width: clamp(46px, 4.6vw, 58px);
    height: clamp(46px, 4.6vw, 58px);
    transform: translateY(-50%);

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: var(--nav-bg);
    color: #ffffff;

    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    cursor: pointer;
    z-index: 10;

    box-shadow: var(--shadow-md);
    transition: transform 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}

.nav-btn::before {
    display: none;
}

.nav-btn:hover {
    transform: translateY(-50%) scale(1.05);
    background: var(--city-green);
    box-shadow: 0 18px 42px rgba(14, 165, 233, 0.28);
}

.nav-btn:active {
    transform: translateY(-50%) scale(0.96);
}

.prev-btn {
    left: clamp(14px, 3vw, 32px);
}

.next-btn {
    right: clamp(14px, 3vw, 32px);
}

.nav-btn svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Erişilebilirlik */
.item-link:focus-visible,
.nav-btn:focus-visible {
    outline: 3px solid rgba(14, 165, 233, 0.50);
    outline-offset: 5px;
}

/* Tablet */
@media (max-width: 1024px) {
    .slider-section {
        min-height: 340px;
    }

    .slider-container {
        padding: 52px 8vw;
    }

    .item-link {
        min-height: 236px;
    }
}

/* Mobil */
@media (max-width: 768px) {
    .section-header {
        margin-bottom: 32px;
        padding: 0 18px;
    }

    .section-title {
        letter-spacing: -0.7px;
    }

    .section-subtitle {
        line-height: 1.62;
    }

    .slider-section {
        min-height: 304px;
    }

    .slider-mask {
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 4%, black 96%, transparent 100%);
        mask-image: linear-gradient(to right, transparent 0%, black 4%, black 96%, transparent 100%);
    }

    .slider-container {
        gap: 16px;
        padding: 44px 7vw;
        scroll-padding-inline: 7vw;
    }

    .slider-item {
        width: 174px;
    }

    .item-link {
        min-height: 210px;
        padding: 24px 16px;
        border-radius: 20px;
    }

    .logo-wrapper {
        width: 86px;
        height: 86px;
        margin-bottom: 20px;
        border-radius: 22px;
    }

    .nav-btn {
        display: none;
    }
}

/* Küçük mobil */
@media (max-width: 420px) {
    .slider-section {
        min-height: 286px;
    }

    .slider-container {
        padding: 38px 6vw;
        gap: 14px;
    }

    .slider-item {
        width: 158px;
    }

    .item-link {
        min-height: 196px;
        padding: 22px 14px;
    }

    .logo-wrapper {
        width: 78px;
        height: 78px;
    }

    .logo-title {
        font-size: 13.5px;
    }
}

/* Hareket hassasiyeti */
@media (prefers-reduced-motion: reduce) {
    .slider-container {
        scroll-behavior: auto;
    }

    .slider-item,
    .item-link,
    .item-link::before,
    .item-link::after,
    .logo-wrapper,
    .logo-title,
    .logo-title::before,
    .nav-btn {
        transition: none !important;
    }

    .slider-item:hover,
    .slider-item:hover .item-link,
    .slider-item:hover .logo-wrapper,
    .slider-item:hover .logo-title,
    .nav-btn:hover,
    .nav-btn:active {
        transform: none;
    }
}