.intro-container {
    position: fixed;
    inset: 0;
    z-index: 10000;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top, rgba(127, 247, 255, 0.10), transparent 35%),
        radial-gradient(circle at bottom, rgba(255, 77, 109, 0.16), transparent 42%),
        linear-gradient(135deg, #05070d 0%, #11060e 48%, #06131b 100%);
    color: #f5fbff;
    font-family: 'Orbitron', sans-serif;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.intro-container.is-exiting {
    opacity: 0;
}

.intro-bg,
#intro-canvas,
.intro-grid,
.intro-scanlines,
.intro-video-tint {
    position: absolute;
    inset: 0;
}

.intro-video-tint {
    background:
        radial-gradient(circle at top, rgba(127, 247, 255, 0.14), transparent 36%),
        radial-gradient(circle at 85% 75%, rgba(255, 77, 109, 0.18), transparent 30%),
        linear-gradient(180deg, rgba(4, 7, 11, 0.56) 0%, rgba(4, 7, 11, 0.74) 100%);
}

.intro-grid {
    background:
        linear-gradient(rgba(127, 247, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(127, 247, 255, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.75) 15%, #000 100%);
}

.intro-scanlines {
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.03),
        rgba(255, 255, 255, 0.03) 1px,
        transparent 1px,
        transparent 4px
    );
    mix-blend-mode: soft-light;
}

.intro-content {
    position: relative;
    z-index: 2;
    width: min(1100px, calc(100vw - 34px));
    max-height: calc(100vh - 30px);
    padding: 24px;
    border: 1px solid rgba(127, 247, 255, 0.18);
    background: rgba(6, 10, 16, 0.72);
    border-radius: 28px;
    box-shadow:
        0 0 0 1px rgba(255, 77, 109, 0.10) inset,
        0 26px 70px rgba(0, 0, 0, 0.42),
        0 0 80px rgba(255, 77, 109, 0.10);
    backdrop-filter: blur(10px);
    display: grid;
    gap: 18px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(127, 247, 255, 0.36) rgba(255, 255, 255, 0.04);
}

.intro-content::-webkit-scrollbar {
    width: 10px;
}

.intro-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
}

.intro-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255, 77, 109, 0.58), rgba(127, 247, 255, 0.48));
    border-radius: 999px;
}

.intro-hero {
    display: grid;
    grid-template-columns: minmax(300px, 470px) minmax(340px, 1fr);
    gap: 18px;
    align-items: stretch;
    justify-content: center;
}

.intro-summary {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    min-width: 0;
    padding: 22px 24px;
    border: 1px solid rgba(127, 247, 255, 0.16);
    border-radius: 22px;
    background:
        linear-gradient(180deg, rgba(7, 12, 19, 0.90), rgba(6, 9, 14, 0.76)),
        radial-gradient(circle at top right, rgba(255, 77, 109, 0.08), transparent 34%);
    box-shadow:
        inset 0 0 0 1px rgba(255, 77, 109, 0.08),
        0 18px 40px rgba(0, 0, 0, 0.22);
    overflow: hidden;
    isolation: isolate;
}

.intro-summary::before {
    content: '';
    position: absolute;
    inset: auto 24px 24px auto;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(127, 247, 255, 0.10), transparent 68%);
    pointer-events: none;
    filter: blur(2px);
    z-index: 0;
}

.intro-summary > * {
    position: relative;
    z-index: 1;
}

.intro-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 20px;
    aspect-ratio: 16 / 9;
    border: 1px solid rgba(127, 247, 255, 0.2);
    background:
        radial-gradient(circle at 18% 50%, rgba(127, 247, 255, 0.10), transparent 28%),
        radial-gradient(circle at 82% 48%, rgba(255, 77, 109, 0.12), transparent 30%),
        linear-gradient(135deg, rgba(4, 8, 13, 0.94), rgba(10, 15, 22, 0.90));
    box-shadow:
        0 18px 34px rgba(0, 0, 0, 0.34),
        0 0 0 1px rgba(255, 77, 109, 0.1) inset;
    min-height: clamp(250px, 31vw, 360px);
    padding: 18px;
    width: min(100%, 470px);
    margin: 0 auto;
    isolation: isolate;
}

.intro-stage::before {
    content: '';
    position: absolute;
    inset: 14px;
    border-radius: 16px;
    border: 1px solid rgba(127, 247, 255, 0.08);
    background:
        linear-gradient(90deg, rgba(4, 8, 13, 0.84), rgba(11, 16, 24, 0.60) 22%, rgba(11, 16, 24, 0.60) 78%, rgba(4, 8, 13, 0.84)),
        repeating-linear-gradient(
            90deg,
            rgba(127, 247, 255, 0.04) 0,
            rgba(127, 247, 255, 0.04) 1px,
            transparent 1px,
            transparent 32px
        );
    pointer-events: none;
    z-index: 0;
}

.intro-stage::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 77, 109, 0.34);
    box-shadow:
        0 0 0 1px rgba(255, 77, 109, 0.08) inset,
        0 0 28px rgba(255, 77, 109, 0.14),
        inset 0 0 36px rgba(255, 77, 109, 0.06);
    pointer-events: none;
    z-index: 2;
}

.intro-stage-chrome,
.intro-stage-glow {
    position: absolute;
    inset: 0;
}

.intro-stage .intro-video {
    position: relative;
    z-index: 1;
    width: auto;
    height: 100%;
    max-width: min(100%, 300px);
    max-height: 100%;
    border-radius: 16px;
    border: 1px solid rgba(255, 77, 109, 0.38);
    background: #03070b;
    object-fit: contain;
    object-position: center top;
    filter:
        brightness(0.88)
        saturate(0.98)
        contrast(1.05)
        drop-shadow(0 18px 38px rgba(0, 0, 0, 0.44));
    box-shadow:
        0 0 0 1px rgba(255, 77, 109, 0.10),
        0 0 22px rgba(255, 77, 109, 0.18);
    transform: scale(1);
    transition: filter 0.35s ease, transform 0.35s ease;
}

.intro-stage-chrome {
    border-radius: inherit;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 18%),
        linear-gradient(0deg, rgba(4, 8, 12, 0.06), rgba(4, 8, 12, 0.2));
    pointer-events: none;
}

.intro-stage-glow {
    border-radius: inherit;
    box-shadow:
        inset 0 0 0 1px rgba(127, 247, 255, 0.12),
        inset 0 -70px 80px rgba(4, 7, 11, 0.28);
    pointer-events: none;
}

.intro-badge,
.intro-stage,
.intro-mark,
.intro-title,
.intro-line,
.intro-stats,
.intro-actions,
.intro-end-hint {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.intro-container.badge-live .intro-stage,
.intro-container.badge-live .intro-badge,
.intro-container.mark-live .intro-mark,
.intro-container.title-live .intro-title,
.intro-container.story-live .intro-line,
.intro-container.stats-live .intro-stats,
.intro-container.actions-live .intro-actions,
.intro-container.actions-live .intro-end-hint {
    opacity: 1;
    transform: translateY(0);
}

.intro-container.video-ended .intro-content {
    border-color: rgba(255, 184, 110, 0.26);
    box-shadow:
        0 0 0 1px rgba(255, 77, 109, 0.14) inset,
        0 26px 70px rgba(0, 0, 0, 0.46),
        0 0 96px rgba(255, 184, 110, 0.12);
}

.intro-container.video-ended .intro-stage .intro-video {
    filter: brightness(0.42) saturate(0.78) contrast(1.01) blur(1.8px);
    transform: scale(1.01);
}

.intro-badge {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid rgba(255, 77, 109, 0.32);
    background: rgba(255, 77, 109, 0.10);
    color: #ff8da3;
    font-size: 12px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.intro-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: min(280px, 100%);
    max-width: 100%;
}

.intro-logo {
    width: 100%;
    height: auto;
    filter:
        drop-shadow(0 18px 34px rgba(0, 0, 0, 0.42))
        drop-shadow(0 0 22px rgba(127, 247, 255, 0.14));
}

.intro-title {
    margin-top: 0;
}

.title-sub--solo {
    margin-top: 0;
}

.title-main {
    margin: 0;
    font-size: clamp(44px, 11vw, 108px);
    line-height: 0.95;
    letter-spacing: 0.12em;
    color: #f7fbff;
    text-shadow:
        0 0 24px rgba(127, 247, 255, 0.20),
        0 0 48px rgba(255, 77, 109, 0.16);
}

.title-sub {
    margin: 0;
    max-width: 460px;
    color: #c1d3dc;
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(17px, 2vw, 22px);
    letter-spacing: 0.06em;
    line-height: 1.28;
}

.intro-story {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.intro-line {
    margin: 0;
    min-height: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(127, 247, 255, 0.12);
    background: linear-gradient(180deg, rgba(127, 247, 255, 0.06), rgba(255, 77, 109, 0.04));
    color: #f3f6f8;
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(17px, 1.55vw, 24px);
    letter-spacing: 0.04em;
    line-height: 1.16;
    border-radius: 14px 14px 0 0;
}

.intro-story .intro-line:nth-child(1) {
    transition-delay: 0.08s;
}

.intro-story .intro-line:nth-child(2) {
    transition-delay: 0.18s;
}

.intro-story .intro-line:nth-child(3) {
    transition-delay: 0.28s;
    color: #ff8da3;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.stat-card {
    padding: 14px 16px 16px;
    border: 1px solid rgba(127, 247, 255, 0.18);
    background: rgba(127, 247, 255, 0.06);
    border-radius: 0 0 14px 14px;
}

.stat-number {
    display: block;
    color: #7ff7ff;
    font-size: clamp(22px, 3.1vw, 34px);
    line-height: 1;
}

.stat-label {
    display: block;
    margin-top: 7px;
    color: #d9e7ef;
    font-family: 'Rajdhani', sans-serif;
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.intro-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 12px;
    margin-top: 2px;
}

.intro-btn {
    border: 1px solid rgba(127, 247, 255, 0.32);
    background: rgba(127, 247, 255, 0.08);
    color: #eff9ff;
    padding: 14px 22px;
    font-family: inherit;
    font-size: 14px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.intro-btn[hidden] {
    display: none;
}

.intro-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.intro-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: rgba(127, 247, 255, 0.58);
}

.intro-btn--primary {
    background: linear-gradient(90deg, rgba(255, 77, 109, 0.18), rgba(127, 247, 255, 0.16));
    border-color: rgba(255, 77, 109, 0.42);
}

.intro-btn--ghost {
    background: rgba(255, 255, 255, 0.04);
    color: #c9d7df;
}

.intro-progress {
    flex-basis: 100%;
    width: 100%;
    min-width: 0;
    height: 8px;
    border: 1px solid rgba(127, 247, 255, 0.20);
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.intro-progress-bar {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, #ff4d6d 0%, #7ff7ff 100%);
    box-shadow: 0 0 22px rgba(127, 247, 255, 0.22);
    transition: width 0.08s linear;
}

.intro-container.video-ended .intro-progress {
    opacity: 0.38;
}

.intro-end-hint {
    margin: 2px 0 0;
    padding: 11px 13px;
    border-left: 2px solid rgba(127, 247, 255, 0.24);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    color: rgba(210, 223, 232, 0.72);
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    line-height: 1.34;
}

.intro-container.video-ended .intro-end-hint {
    color: #ffd38e;
}

@media (max-width: 720px) {
    .intro-content {
        width: min(100vw - 18px, 1120px);
        max-height: calc(100vh - 18px);
        padding: 20px;
        border-radius: 22px;
    }

    .intro-hero,
    .intro-story,
    .intro-stats {
        grid-template-columns: 1fr;
    }

    .intro-summary {
        padding: 18px;
        gap: 10px;
    }

    .intro-stage {
        border-radius: 16px;
        min-height: 210px;
        width: 100%;
        padding: 14px;
    }

    .intro-mark {
        width: min(240px, 76vw);
    }

    .intro-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .intro-progress {
        width: 100%;
    }
}

@media (max-width: 980px) {
    .intro-hero {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .intro-summary {
        justify-content: flex-start;
    }
}

@media (max-height: 820px) {
    .intro-content {
        padding: 22px;
        gap: 16px;
    }

    .intro-line {
        padding: 14px 16px;
        font-size: clamp(17px, 1.6vw, 23px);
    }

    .stat-card {
        padding: 16px;
    }
}