:root {
    --gold-accent: #D4AF37;
}

/* ==================================
   Review Page Shell
==================================== */
.review-page {
    background-color: var(--light-grey, #EDF2F7);
    min-height: calc(100vh - 72px);
}

/* ==================================
   1. Hero
==================================== */
.review-hero {
    background:
        radial-gradient(circle at 15% 20%, rgba(200, 16, 46, 0.28), transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(212, 175, 55, 0.20), transparent 50%),
        linear-gradient(135deg, #0A2540 0%, #061729 100%);
    padding: 96px 24px;
    display: flex;
    justify-content: center;
    text-align: center;
}

.review-hero-inner {
    max-width: 900px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.review-hero-kicker {
    color: var(--gold-accent, #D4AF37);
    font-size: 0.9375rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.review-hero-title {
    color: #ffffff;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    margin: 0;
}

.review-hero-subtitle {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin: 0;
}

/* ==================================
   2. Congratulatory Letters Slider
==================================== */
.letter-section {
    padding: 80px 24px 24px;
    display: flex;
    justify-content: center;
}

.letter-container {
    max-width: 1000px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 44px;
}

/* Centered header */
.letter-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
}

.letter-kicker {
    color: var(--gold-accent, #D4AF37);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 4px;
}

.letter-title {
    color: var(--brand-navy, #0A2540);
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 0;
}

.letter-rule {
    width: 120px;
    height: 4px;
    background-color: var(--gold-accent, #D4AF37);
    border-radius: 2px;
}

/* Slider stage — matches the letters' portrait 17:22 ratio so there are no gaps */
.letter-slider {
    position: relative;
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    aspect-ratio: 17 / 22;
    overflow: hidden;
    border-radius: 12px;
    background-color: var(--bg-white, #ffffff);
    border: 1px solid var(--border-grey, #E2E8F0);
    box-shadow: 0 18px 44px rgba(10, 37, 64, 0.10);
}

.letter-track {
    display: flex;
    height: 100%;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.letter-slide {
    flex: 0 0 100%;
    height: 100%;
    margin: 0;
}

.letter-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Prev / Next arrows */
.letter-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background-color: rgba(10, 37, 64, 0.55);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.letter-nav:hover {
    background-color: var(--brand-navy, #0A2540);
}

.letter-prev { left: 18px; }
.letter-next { right: 18px; }

.letter-nav:hover.letter-prev { transform: translateY(-50%) translateX(-2px); }
.letter-nav:hover.letter-next { transform: translateY(-50%) translateX(2px); }

/* Dots */
.letter-dots {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.letter-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background-color: rgba(10, 37, 64, 0.25);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.letter-dot:hover {
    background-color: rgba(10, 37, 64, 0.5);
}

.letter-dot.is-active {
    background-color: var(--brand-red, #C8102E);
    transform: scale(1.2);
}

/* ==================================
   3. Video Highlights Section
==================================== */
.video-section {
    padding: 72px 24px 96px;
    display: flex;
    justify-content: center;
}

.video-container {
    max-width: 1200px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Section Header */
.video-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.video-header-titles {
    border-left: 4px solid var(--brand-red, #C8102E);
    padding-left: 20px;
}

.video-title-zh {
    color: var(--brand-navy, #0A2540);
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 4px;
}

.video-title-en {
    color: var(--text-grey, #4A5568);
    font-size: 0.9375rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}

.video-channel-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-navy, #0A2540);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s ease;
}

.video-channel-link:hover {
    color: var(--brand-red, #C8102E);
}

.video-channel-link .material-symbols-outlined {
    font-size: 1.25rem;
}

/* ==================================
   Video Card Grid
==================================== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.video-card {
    background-color: var(--bg-white, #ffffff);
    border: 1px solid var(--border-grey, #E2E8F0);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(10, 37, 64, 0.14);
}

/* Thumbnail + play overlay */
.video-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: #000;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, opacity 0.3s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.05);
    opacity: 0.85;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 62px;
    height: 44px;
    border: none;
    border-radius: 12px;
    background-color: var(--brand-red, #C8102E);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.video-card:hover .video-play-btn {
    transform: translate(-50%, -50%) scale(1.08);
    background-color: #e11d38;
}

/* Card body */
.video-body {
    padding: 22px 22px 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.video-card-title {
    color: var(--brand-navy, #0A2540);
    font-size: 1.375rem;
    font-weight: 800;
    line-height: 1.25;
    margin: 0;
}

.video-card-desc {
    color: var(--text-grey, #4A5568);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

/* Card footer */
.video-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px 20px;
    border-top: 1px solid var(--border-grey, #E2E8F0);
    margin-top: 8px;
}

.video-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-grey, #4A5568);
    font-size: 0.875rem;
    font-weight: 500;
}

.video-date .material-symbols-outlined {
    font-size: 1.05rem;
}

.video-watch {
    color: var(--brand-red, #C8102E);
    font-size: 0.9375rem;
    font-weight: 700;
    transition: opacity 0.2s ease;
}

.video-card:hover .video-watch {
    opacity: 0.75;
}

/* ==================================
   Video Lightbox Modal
==================================== */
.video-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.82);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 24px;
}

.video-modal-overlay.hidden {
    display: none;
}

.video-modal-box {
    position: relative;
    width: 100%;
    max-width: 960px;
}

.video-modal-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.5);
}

.video-modal-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-modal-close {
    position: absolute;
    top: -44px;
    right: 0;
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.video-modal-close:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* ==================================
   Responsive Breakpoints
==================================== */
@media (max-width: 960px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .review-hero {
        padding: 72px 20px;
    }

    .review-hero-title {
        font-size: 2.75rem;
    }

    .review-hero-subtitle {
        font-size: 1.0625rem;
    }

    .video-section {
        padding: 56px 20px 72px;
    }

    .video-title-zh {
        font-size: 1.875rem;
    }
}

@media (max-width: 620px) {
    .video-grid {
        grid-template-columns: 1fr;
    }

    .video-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}