/* ===================================
   HERO SLIDER STYLES
   =================================== */

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    background: var(--color-bg-dark);
}

.slides-container {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Individual Slide */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.slide.exiting {
    z-index: 1;
}

/* Slide Media */
.slide-media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.05) 40%,
        rgba(0, 0, 0, 0.05) 60%,
        rgba(0, 0, 0, 0.4) 100%
    );
    pointer-events: none;
}

/* Slide Content */
.slide-content {
    position: absolute;
    bottom: 80px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 5;
}

.slide-title {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-text);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.slide.active .slide-title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    writing-mode: vertical-lr;
    text-orientation: mixed;
    font-size: 10px;
    letter-spacing: 3px;
    font-weight: 600;
    color: var(--color-text);
    padding: 15px 8px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.slider-nav span {
    display: inline-block;
}

.slider-prev {
    left: 2px;
    transform: translateY(-50%) rotate(180deg);
}

.slider-next {
    right: 2px;
}

.slider-nav:active {
    opacity: 1;
}

/* Slide Counter */
.slide-counter {
    position: absolute;
    bottom: 30px;
    right: var(--spacing-md);
    z-index: 10;
    font-size: 12px;
    letter-spacing: 2px;
    font-weight: 400;
    color: var(--color-text);
    opacity: 0.6;
}

.counter-current {
    font-weight: 600;
    opacity: 1;
}

.counter-sep {
    margin: 0 4px;
}

/* Video Controls */
.video-controls {
    position: absolute;
    bottom: 40px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-medium) 0.5s;
}

.slide.active .video-controls {
    opacity: 1;
    transform: translateY(0);
}

.video-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.video-btn:active {
    opacity: 1;
}

.video-btn svg {
    width: 18px;
    height: 18px;
}

.progress-container {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    cursor: pointer;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 10px;
    transition: width 0.1s linear;
}

/* Film grain overlay for cinematic feel */
.hero-slider::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

/* Blue tint border effect like the original */
.hero-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    pointer-events: none;
    box-shadow: inset 0 0 80px rgba(100, 140, 200, 0.15);
}

/* ===================================
   MOBILE RESPONSIVE — Hero
   Match theupper.studio mobile layout
   =================================== */
@media (max-width: 768px) {
    /* Hero height — match theupper.studio */
    .hero-slider {
        height: 75vh;
        height: 75dvh;
        margin-top: 0;
        padding-top: 0;
    }

    /* Show PREV button on mobile — like the original */
    .slider-prev {
        display: block;
        left: 0;
        font-size: 9px;
        letter-spacing: 2px;
        padding: 12px 6px;
        opacity: 0.5;
    }

    /* Hide slide counter on mobile */
    .slide-counter {
        display: none;
    }

    /* Slider NEXT — smaller, closer to edge */
    .slider-next {
        right: 0;
        font-size: 9px;
        letter-spacing: 2px;
        padding: 12px 6px;
        opacity: 0.5;
    }

    /* Slide title — match original ~13px */
    .slide-title {
        font-size: 13px;
        letter-spacing: 3px;
    }

    /* Slide content — closer to bottom */
    .slide-content {
        bottom: 50px;
        left: 20px;
        right: 20px;
    }

    /* Video controls — tighter */
    .video-controls {
        bottom: 18px;
        left: 20px;
        right: 20px;
        gap: 8px;
    }

    .video-btn {
        width: 24px;
        height: 24px;
    }

    .video-btn svg {
        width: 14px;
        height: 14px;
    }

    .progress-container {
        height: 2px;
    }

    /* Ensure video fills the container */
    .slide-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}