/* ========== BANNER SLIDER - BASNET (A11Y + CLS FIXED) ========== */

.banner-slider-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 20px auto;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.banner-slider {
    display: flex;
    width: 100%;
    transition: transform 0.6s ease-in-out;
}

.slide {
    min-width: 100%;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0;
    margin: 0;
    flex-shrink: 0;
    line-height: 0;
    /* Fixed height prevents layout jump between 10 banners */
    aspect-ratio: 16 / 5;
    min-height: 300px;
    overflow: hidden;
    background: #03102b;
}

/* Fallback for browsers without aspect-ratio */
@supports not (aspect-ratio: 1) {
    .slide { height: 400px; }
}

/* ===== BANNER IMAGE ===== */
.slide img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    object-fit: cover;      /* fills the box; crop edges if needed */
    object-position: center;
}

/* Dark overlay for text readability */
.slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(3,16,43,0.15) 0%,
        rgba(3,16,43,0.55) 100%
    );
    z-index: 1;
    pointer-events: none;
}

/* ===== SLIDE CONTENT ===== */
.slide .slide-content {
    position: absolute;
    z-index: 2;
    color: white;
    max-width: 600px;
    line-height: normal;
    padding: 0 20px;
}

.slide .slide-content h2 {
    font-size: 2.2rem;
    margin: 0 0 10px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.slide .slide-content p {
    font-size: 1.1rem;
    opacity: 0.95;
    margin: 0 0 15px;
    text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}

.slide .slide-content .btn-slide {
    display: inline-block;
    margin-top: 20px;
    background: #00D4FF;
    color: #1A2A6C;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.slide .slide-content .btn-slide:hover {
    background: #FF6B4A;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255,107,74,0.3);
}

/* Legacy background-image slide support */
.slide .slide-bg-image {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0.15;
    background-size: cover;
    background-position: center;
}

/* ===== SLIDER DOTS — ACCESSIBLE BUTTONS ===== */
.slider-dots {
    text-align: center;
    padding: 15px 0 5px;
    line-height: normal;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
}

.slider-dot {
    border: none;
    background: transparent;
    padding: 0;
    margin: 0 6px;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    outline: none;
    transition: transform 0.3s ease;
}

.slider-dot::before {
    content: '';
    display: block;
    height: 12px;
    width: 12px;
    background-color: rgba(255,255,255,0.35);
    border-radius: 50%;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-sizing: border-box;
}

.slider-dot:hover::before {
    background-color: rgba(255,255,255,0.55);
    transform: scale(1.2);
}

.slider-dot.active::before {
    background-color: #00D4FF;
    transform: scale(1.3);
    border-color: rgba(0,212,255,0.3);
    box-shadow: 0 0 15px rgba(0,212,255,0.4);
}

.slider-dot:focus-visible { outline: none; }

.slider-dot:focus-visible::before {
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.5);
    border-color: #00D4FF;
}

/* ===== ANIMATION ===== */
@keyframes slideFade {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.slide.active { animation: slideFade 0.6s ease-in-out; }

/* ===== TABLET ===== */
@media (max-width: 1024px) {
    .banner-slider-container {
        width: 100%;
        border-radius: 15px;
        margin: 15px auto;
    }
    .slide {
        aspect-ratio: 16 / 6;
        min-height: 260px;
    }
    .slide .slide-content h2 { font-size: 1.8rem; }
    .slide .slide-content p { font-size: 1rem; }
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .banner-slider-container {
        width: 100%;
        max-width: 100%;
        border-radius: 12px;
        margin: 12px 0;
        box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    }
    .banner-slider { width: 100%; }
    .slide {
        aspect-ratio: 4 / 3;
        min-height: 240px;
    }
    .slide .slide-content { max-width: 90%; }
    .slide .slide-content h2 { font-size: 1.5rem; }
    .slide .slide-content p { font-size: 0.9rem; }
    .slide .slide-content .btn-slide {
        padding: 10px 24px;
        font-size: 0.85rem;
    }
    .slider-dots { padding: 8px 0 4px; }
    .slider-dot { min-width: 44px; min-height: 44px; margin: 0 2px; }
    .slider-dot::before { height: 10px; width: 10px; }
}

/* ===== SMALL PHONES ===== */
@media (max-width: 480px) {
    .banner-slider-container {
        width: 100%;
        max-width: 100%;
        border-radius: 10px;
        margin: 10px 0;
    }
    .slide {
        aspect-ratio: 1 / 1;
        min-height: 220px;
    }
    .slide .slide-content { max-width: 92%; }
    .slide .slide-content h2 { font-size: 1.2rem; }
    .slide .slide-content p { font-size: 0.8rem; margin-bottom: 10px; }
    .slide .slide-content .btn-slide {
        padding: 8px 18px;
        font-size: 0.75rem;
        margin-top: 10px;
    }
    .slider-dots { padding: 6px 0 3px; }
    .slider-dot { min-width: 44px; min-height: 44px; margin: 0 1px; }
    .slider-dot::before { height: 8px; width: 8px; }
}

/* ===== PRINT ===== */
@media print {
    .banner-slider-container {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    .slider-dot { display: none; }
}