/* =========================================
   Scroll Animated Video — s_scroll_video
   Adapted from React HeroScrollVideo
   ========================================= */

.hsv-root {
    --bg: var(--bg-canvas, #F8F9FA);
    --text: var(--text-heading, #293241);
    --muted: var(--text-muted, #6C757D);
    --muted-bg: rgba(0, 0, 0, 0.03);
    --muted-border: var(--border-subtle, #E9ECEF);
    --overlay-bg: linear-gradient(to top, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.2) 70%, transparent 100%);
    --overlay-text: var(--text-heading, #293241);
    --accent: var(--brand-primary, #0A2463);
    --accent-2: var(--brand-secondary, #3E92CC);
    --shadow: var(--shadow-md, 0 10px 40px rgba(0, 0, 0, 0.06));
    --initial-size: 360px;
    --overlay-blur: 0px;

    background: var(--bg);
    color: var(--text);
    overflow-x: clip;
    font-family: var(--font-body, 'Inter', sans-serif);

    /* Subtle Grid Background - More refined for Glassmorphism */
    background-image:
        radial-gradient(at 0% 0%, rgba(10, 36, 99, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(62, 146, 204, 0.03) 0px, transparent 50%),
        radial-gradient(rgba(10, 36, 99, 0.05) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px;
    background-attachment: fixed;
}

/* -------- Headline Area -------- */
.hsv-root .hsv-container {
    height: 100vh;
    display: grid;
    place-items: center;
    padding: clamp(16px, 3vw, 40px);
}

.hsv-root .hsv-headline {
    text-align: center;
    max-width: min(100%, 1200px);
}

.hsv-root .hsv-headline>* {
    transform-origin: center top;
}

.hsv-root .hsv-title {
    margin: 0 0 .8rem 0;
    font-family: var(--font-heading, 'Manrope', sans-serif);
    font-size: clamp(40px, 8vw, 88px);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-wrap: balance;
    background: linear-gradient(135deg, var(--text) 40%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.02));
}

.hsv-root .hsv-subtitle {
    margin: 0 0 2.5rem 0;
    font-family: var(--font-heading, 'Manrope', sans-serif);
    font-size: clamp(18px, 2.2vw, 24px);
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--muted);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.hsv-root .hsv-meta {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .5rem 1.2rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .1em;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    color: var(--accent);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.hsv-root .hsv-meta::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-2);
    box-shadow: 0 0 10px var(--accent-2);
    display: inline-block;
}

.hsv-root .hsv-credits {
    margin-top: 1.5rem;
    font-family: var(--font-heading, 'Manrope', sans-serif);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
    opacity: 0.6;
}

/* -------- Feature Cards (Glassmorphic) -------- */
.hsv-feature-card {
    background: var(--glass-bg, rgba(255, 255, 255, 0.8));
    backdrop-filter: blur(var(--glass-blur, 20px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 20px));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.5));
    border-radius: 20px;
    padding: 1.75rem;
    text-align: center;
    transition: all 0.5s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.04));
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hsv-feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--accent-2);
    box-shadow: var(--shadow-hover, 0 16px 48px rgba(0, 0, 0, 0.1));
}

.hsv-feature-card i {
    color: var(--accent);
    background: var(--bg-muted, #F1F3F5);
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    transition: all 0.3s ease;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.hsv-feature-card:hover i {
    background: var(--accent);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.hsv-feature-card h5 {
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: var(--text);
    font-family: var(--font-heading, 'Manrope', sans-serif);
    font-size: 1.1rem;
}

.hsv-feature-card small {
    display: block;
    line-height: 1.6;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* -------- Sticky Scroll Section -------- */
.hsv-root .hsv-scroll {
    position: relative;
    z-index: 10;
}

/* CSS sticky — NO GSAP pin (matches React original) */
.hsv-root .hsv-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    display: grid;
    place-items: center;
    width: 100%;
    overflow: hidden;
}

/* -------- Media Box -------- */
.hsv-root .hsv-media {
    position: relative;
    width: var(--initial-size);
    height: var(--initial-size);
    border-radius: 30px;
    overflow: hidden;
    background: #000;
    display: grid;
    place-items: center;
    transition: border-radius 0.4s var(--ease-out);
    box-shadow: var(--shadow-lg, 0 20px 60px rgba(0, 0, 0, 0.08));
    will-change: width, height, border-radius;
}

/* -------- Overlay -------- */
.hsv-root .hsv-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-bg);
    color: var(--overlay-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(24px, 5vw, 60px);
    clip-path: inset(100% 0 0 0);
    backdrop-filter: blur(var(--overlay-blur));
    z-index: 2;
}

/* Performance optimization for mobile: reduce/remove heavy transparent filters if slow */
@media (max-width: 768px) {
    .hsv-root .hsv-overlay {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}

.hsv-root .hsv-caption {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    position: absolute;
    top: clamp(16px, 4vw, 40px);
    left: 0;
    width: 100%;
    text-align: center;
    opacity: 0.8;
    font-weight: 600;
}

.hsv-root .hsv-overlay-content {
    margin-top: 2rem;
    max-width: 72ch;
    display: grid;
    gap: 1.2rem;
}

.hsv-root .hsv-overlay-content h3 {
    font-size: clamp(28px, 6vw, 64px);
    line-height: 1;
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-wrap: balance;
    background: linear-gradient(135deg, var(--text) 30%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    padding-bottom: 1.5rem;
}

.hsv-root .hsv-overlay-content h3::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    border-radius: 999px;
    margin: 20px auto 0 auto;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 1;
}

.hsv-root .hsv-overlay-content p {
    font-size: clamp(16px, 2.2vw, 20px);
    line-height: 1.6;
    margin: 0;
    color: var(--text-body);
    font-weight: 400;
}

/* -------- Responsive -------- */
@media (max-width: 900px) {
    .hsv-root .hsv-overlay-content {
        max-width: 40ch;
    }
}

@media (max-width: 600px) {
    .hsv-root {
        --initial-size: 280px;
    }

    .hsv-root .hsv-overlay-content h3 {
        font-size: clamp(22px, 6vw, 36px);
    }
}