/* ===== Back Button ===== */
.back-button {
    position: fixed;
    top: 32px;
    right: 32px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    z-index: 100;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.back-button svg {
    width: 18px;
    height: 18px;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

/* ===== Fixed Background Video ===== */
.page-bg-video {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: #07070b;
}

.page-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Dark overlay so foreground content stays readable */
.page-bg-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 7, 11, 0.55) 0%, rgba(7, 7, 11, 0.7) 100%);
}

/* Let the fixed video show through the page background */
body.has-bg-video {
    background: transparent;
}

/* Scroll distance that drives the scrubbed background video */
.scrub-spacer {
    height: 250vh;
}

/* Scroll hint: small fading arrow that disappears once scrolling starts */
.scroll-hint {
    position: fixed;
    bottom: 28px;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    z-index: 3;
    pointer-events: none;
    opacity: 0.6;
    transition: opacity 0.5s ease;
    animation: scrollHintBounce 1.8s ease-in-out infinite;
}

.scroll-hint svg {
    width: 20px;
    height: 20px;
}

.scroll-hint.hidden {
    opacity: 0;
}

@keyframes scrollHintBounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 6px); }
}

/* ===== Diagonal Glass Carousel ===== */
.diagonal-carousel {
    position: fixed;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.diag-card {
    position: absolute;
    left: 0;
    top: 0;
    width: clamp(320px, 42vw, 600px);
    aspect-ratio: 16 / 10;
    transform: translate(-50%, -50%);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(6px) saturate(120%);
    -webkit-backdrop-filter: blur(6px) saturate(120%);
    will-change: left, top, opacity;
}

/* Clickable site card: shows a screenshot with a title overlay */
.diag-card--site {
    pointer-events: auto;
    cursor: pointer;
    overflow: hidden;
    text-decoration: none;
    background-color: #07070b;
    background-size: cover;
    background-position: center;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: rgba(255, 255, 255, 0.35);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.diag-card--site::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 35%, rgba(0, 0, 0, 0.75) 100%);
}

.diag-card--site:hover {
    transform: translate(-50%, -50%) scale(1.04);
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
}

.diag-card-title {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
    padding: 14px 12px 16px;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: clamp(0.9rem, 1.6vw, 1.35rem);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

/* Rounded font applied per-page */
body.font-round {
    font-family: 'Quicksand', var(--font);
}

/* ===== Page Layout ===== */
.page {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.page-container {
    width: 100%;
    max-width: 1200px;
    text-align: center;
}

.page-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 4px;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.page-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease 0.2s forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== View Counter ===== */
.view-counter {
    margin-top: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.counter-number {
    display: inline-flex;
    align-items: center;
    gap: 0.2em;
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1;
    color: #ffffff;
}

.counter-arrow {
    color: #4ade80;
    font-size: 0.8em;
    line-height: 1;
    text-shadow: 0 0 24px rgba(74, 222, 128, 0.6);
}

.counter-value {
    font-variant-numeric: tabular-nums;
}

.counter-label {
    margin-top: 0.5em;
    font-size: clamp(0.85rem, 2vw, 1.25rem);
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Video Gallery ===== */
.video-gallery {
    margin-top: 64px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    width: 100%;
}

.video-card {
    width: 260px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s ease forwards;
}

.video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.video-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.video-card:hover .video-frame {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.25);
}

.video-card:hover .video-frame::after {
    opacity: 1;
}

.video-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===== Video Controls ===== */
.video-controls {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.55) 100%);
    opacity: 0.85;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.video-frame:hover .video-controls {
    opacity: 1;
}

.vc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.45);
    color: #ffffff;
    cursor: pointer;
    padding: 0;
    backdrop-filter: blur(6px);
    transition: background 0.25s ease, transform 0.25s ease;
}

.vc-btn:hover {
    background: rgba(0, 0, 0, 0.75);
    transform: scale(1.08);
}

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

.video-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 18px;
    margin-top: 14px;
}

.stat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.stat-icon {
    display: inline-flex;
    width: 16px;
    height: 16px;
}

.stat-icon svg {
    width: 100%;
    height: 100%;
}

.stat-heart {
    color: #f43f5e;
}

/* ===== AI Intro Text ===== */
.ai-intro {
    max-width: 900px;
    margin: 8px auto 8px;
    text-align: center;
    font-family: 'Quicksand', var(--font);
}

.ai-intro-title {
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.ai-intro-text {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.9;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.82);
}

.nowrap {
    white-space: nowrap;
}

/* About page */
.about-intro {
    max-width: 820px;
    text-align: left;
    margin-top: 40px;
}

.about-intro .ai-intro-title {
    margin-bottom: 28px;
}

.about-p {
    margin-bottom: 1.3em;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.about-p:last-child {
    margin-bottom: 0;
}

.about-p.is-visible {
    opacity: 1;
    transform: none;
}

.ai-intro .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.ai-intro .word.is-visible {
    opacity: 1;
    transform: none;
}

/* ===== AI Showcase ===== */
.ai-showcase {
    margin-top: 56px;
    display: flex;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    justify-content: center;
    text-align: right;
}

.ai-showcase--left {
    margin-top: 80px;
}

.ai-video {
    flex: 0 0 auto;
    width: min(750px, 94vw);
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: #000;
}

.ai-video video {
    width: 100%;
    height: auto;
    display: block;
}

.ai-caption {
    flex: 1 1 320px;
    min-width: 260px;
    max-width: 520px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    line-height: 1.8;
    font-weight: 300;
}

.ai-caption-placeholder {
    color: rgba(255, 255, 255, 0.4);
    font-style: italic;
}

.ai-caption-title {
    font-size: clamp(1.2rem, 2.4vw, 1.7rem);
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
    text-align: left;
}

.ai-caption-text {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    line-height: 1.8;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.82);
    text-align: left;
}

/* ===== Mobile / Responsive ===== */
@media (max-width: 768px) {
    .page {
        padding: 84px 16px 48px;
    }

    .back-button {
        top: 16px;
        right: 16px;
        padding: 8px 15px;
        font-size: 0.85rem;
    }

    .back-button svg {
        width: 16px;
        height: 16px;
    }

    .page-title {
        margin-bottom: 16px;
    }

    /* Stack video and caption; keep the video on top for both layouts */
    .ai-showcase {
        margin-top: 40px;
        gap: 20px;
        flex-direction: column;
        text-align: center;
    }

    .ai-showcase--left {
        margin-top: 48px;
        flex-direction: column-reverse;
    }

    .ai-video {
        width: 100%;
    }

    .ai-caption {
        flex: 1 1 auto;
        min-width: 0;
        max-width: 100%;
        font-size: 1rem;
        line-height: 1.7;
    }

    .video-gallery {
        margin-top: 40px;
        gap: 20px;
    }

    .video-card {
        width: min(320px, 100%);
    }
}

@media (max-width: 480px) {
    .page {
        padding: 78px 12px 40px;
    }

    .video-stats {
        gap: 8px 14px;
    }

    .stat {
        font-size: 0.85rem;
    }
}