:root {
    --bg: #07111f;
    --bg-elevated: rgba(10, 22, 39, 0.78);
    --bg-elevated-strong: rgba(8, 18, 32, 0.94);
    --surface: rgba(14, 28, 49, 0.88);
    --surface-soft: rgba(17, 34, 58, 0.72);
    --surface-muted: rgba(255, 255, 255, 0.04);
    --line: rgba(149, 185, 255, 0.18);
    --line-strong: rgba(149, 185, 255, 0.36);
    --text: #f4f8ff;
    --text-muted: #a6bbd8;
    --text-soft: #7e96b5;
    --cyan: #58d4ff;
    --cyan-strong: #1ea8ff;
    --gold: #ffc857;
    --coral: #ff7860;
    --mint: #7ef0c2;
    --shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --max-width: 1240px;
    --font-display: "Space Grotesk", "Segoe UI", sans-serif;
    --font-body: "DM Sans", "Segoe UI", sans-serif;
    --font-mono: "IBM Plex Mono", "Consolas", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(30, 168, 255, 0.16), transparent 26%),
        radial-gradient(circle at top right, rgba(255, 120, 96, 0.12), transparent 22%),
        linear-gradient(180deg, #07111f 0%, #091527 45%, #06101c 100%);
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    appearance: none;
    -webkit-appearance: none;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
}

.site-shell {
    position: relative;
    isolation: isolate;
}

.page-backdrop,
.page-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.page-backdrop {
    background:
        radial-gradient(circle at 20% 20%, rgba(88, 212, 255, 0.08), transparent 32%),
        radial-gradient(circle at 80% 18%, rgba(255, 200, 87, 0.08), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(30, 168, 255, 0.05), transparent 30%);
    z-index: -2;
}

.page-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 85%);
    z-index: -1;
}

.site-header,
main,
.site-footer {
    width: min(calc(100% - 32px), var(--max-width));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 16px;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 16px;
    padding: 14px 18px;
    background: rgba(7, 17, 31, 0.72);
    border: 1px solid var(--line);
    border-radius: 999px;
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.brand-mark {
    display: block;
    width: 52px;
    height: 52px;
    flex: 0 0 auto;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #040b14;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand-copy strong,
.site-nav a,
.section-heading h2,
.panel-title,
.stat-band-value,
.video-card-title,
.short-card-title,
.topic-card h3,
.about-card h2,
.site-footer strong,
h1 {
    font-family: var(--font-display);
}

.brand-copy strong {
    font-size: 0.98rem;
    letter-spacing: 0.1em;
}

.brand-copy span:last-child {
    color: var(--text-soft);
    font-size: 0.85rem;
}

.site-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
}

.site-nav a,
.sound-toggle,
.header-cta,
.button,
.filter-chip {
    transition:
        transform 180ms ease,
        border-color 180ms ease,
        background-color 180ms ease,
        color 180ms ease,
        box-shadow 180ms ease;
}

.site-nav a {
    padding: 10px 16px;
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.sound-toggle,
.button,
.filter-chip {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
}

.sound-toggle,
.header-cta,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
}

.sound-toggle-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-soft);
    box-shadow: 0 0 0 0 rgba(126, 150, 181, 0.25);
}

.sound-toggle[data-enabled="true"] .sound-toggle-dot {
    background: var(--mint);
    box-shadow: 0 0 0 8px rgba(126, 240, 194, 0.12);
}

.header-cta,
.button-primary {
    border: 1px solid rgba(88, 212, 255, 0.35);
    color: #06101c;
    background: linear-gradient(135deg, var(--cyan), #b9edff);
}

.button-secondary,
.button-ghost {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
}

.button-ghost {
    border-style: dashed;
}

.sound-toggle:hover,
.sound-toggle:focus-visible,
.header-cta:hover,
.header-cta:focus-visible,
.button:hover,
.button:focus-visible,
.filter-chip:hover,
.filter-chip:focus-visible {
    transform: translateY(-1px);
    border-color: var(--line-strong);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

main {
    padding: 56px 0 80px;
}

.section {
    margin-top: 28px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.24fr) minmax(320px, 0.76fr);
    gap: 24px;
    align-items: start;
    min-height: auto;
}

.hero-copy,
.player-panel,
.stat-band-card,
.video-card,
.short-card,
.topic-card,
.about-card,
.modal-dialog {
    min-width: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.hero-copy,
.player-panel,
.about-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    isolation: isolate;
}

.hero-copy {
    position: relative;
    padding: 34px;
}

.hero-side {
    display: grid;
    gap: 22px;
    align-self: stretch;
}

.hero-copy::before,
.player-panel::before,
.about-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    background:
        linear-gradient(135deg, rgba(88, 212, 255, 0.14), transparent 34%),
        linear-gradient(315deg, rgba(255, 200, 87, 0.12), transparent 24%);
    pointer-events: none;
}

.hero-copy > *,
.player-panel > *,
.about-card > * {
    position: relative;
    z-index: 1;
}

.eyebrow,
.panel-label,
.section-kicker,
.player-kicker,
.metric-label,
.stat-band-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.76rem;
    color: var(--text-soft);
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 0 8px rgba(126, 240, 194, 0.1);
}

h1 {
    margin: 18px 0 16px;
    max-width: 100%;
    max-width: 9ch;
    font-size: clamp(2.8rem, 6vw, 4.7rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

h1 span {
    display: block;
    color: var(--cyan);
}

.hero-copy p,
.player-summary,
.stat-band-copy,
.topic-card p,
.about-card p,
.video-card-description,
.short-card-description,
.queue-item p {
    max-width: 100%;
    color: var(--text-muted);
    line-height: 1.65;
}

.video-card-description,
.short-card-description,
.queue-item p {
    overflow-wrap: anywhere;
}

.hero-description {
    max-width: 62ch;
}

.hero-actions,
.player-actions,
.about-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-actions {
    margin-top: 4px;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 28px;
}

.metric-card {
    padding: 18px;
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-value {
    display: block;
    margin-top: 8px;
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-family: var(--font-display);
}

.metric-date {
    font-size: 1rem;
}

.signal-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 0;
}

.signal-pill,
.fact-pill,
.topic-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.player-panel {
    position: relative;
    display: grid;
    gap: 20px;
    padding: 24px;
}

.hero-player {
    align-self: stretch;
}

.panel-head,
.player-kicker-row,
.section-heading,
.site-footer,
.modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.panel-title {
    margin: 8px 0 0;
    font-size: 1.55rem;
}

.player-frame,
.modal-frame {
    position: relative;
    overflow: hidden;
    border-radius: 26px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #01060e;
    aspect-ratio: 16 / 9;
}

.player-frame iframe,
.modal-frame iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.player-meta {
    display: grid;
    gap: 14px;
}

.player-meta h3 {
    margin: 0;
    max-width: 100%;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    line-height: 1.08;
}

.player-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-family: var(--font-mono);
    color: var(--text-soft);
    font-size: 0.88rem;
}

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

.queue-item {
    text-align: left;
    color: var(--text);
    padding: 14px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.queue-item strong {
    display: block;
    margin-bottom: 6px;
    font-size: 0.98rem;
}

.hero-spotlight {
    position: relative;
    padding: 18px 20px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-spotlight-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.hero-inline-link {
    color: var(--cyan);
    font-size: 0.9rem;
}

.hero-inline-link:hover,
.hero-inline-link:focus-visible {
    color: #b9edff;
}

.hero-spotlight-copy {
    margin: 0;
}

.stat-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.stat-band-card {
    padding: 24px;
    border-radius: var(--radius-lg);
}

.stat-band-value {
    display: block;
    margin: 16px 0 10px;
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    line-height: 1;
}

.content-section {
    padding-top: 30px;
}

.section-heading {
    margin-bottom: 20px;
}

.section-heading h2,
.about-card h2 {
    margin: 8px 0 0;
    max-width: 18ch;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.02;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.filter-chip {
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--text-muted);
}

.filter-chip[aria-selected="true"] {
    color: #06101c;
    border-color: transparent;
    background: linear-gradient(135deg, var(--gold), #ffe3a3);
}

.video-grid,
.topic-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
}

.video-card,
.short-card,
.topic-card {
    position: relative;
    overflow: hidden;
}

.video-card {
    grid-column: span 4;
    display: grid;
    gap: 14px;
    padding: 16px;
    border-radius: var(--radius-lg);
}

.video-card-feature {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    aspect-ratio: 16 / 10;
}

.video-card-feature img,
.short-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-topline,
.card-overlay,
.short-card-head {
    position: absolute;
    left: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    z-index: 1;
}

.card-topline,
.short-card-head {
    top: 14px;
}

.card-overlay {
    bottom: 14px;
}

.card-chip,
.card-stat {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    backdrop-filter: blur(10px);
}

.card-chip {
    background: rgba(7, 17, 31, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.card-stat {
    color: #06101c;
    background: linear-gradient(135deg, rgba(255, 200, 87, 0.95), rgba(255, 227, 163, 0.95));
    font-size: 0.8rem;
    font-weight: 700;
}

.video-card-body {
    display: grid;
    gap: 10px;
}

.video-card-title,
.short-card-title {
    margin: 0;
    max-width: 100%;
    font-size: 1.22rem;
    line-height: 1.16;
}

.video-card-meta,
.short-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-soft);
}

.video-card-actions,
.short-card-actions,
.topic-card ul {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.button-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.button-inline-primary {
    color: #06101c;
    background: linear-gradient(135deg, var(--cyan), #b9edff);
    border-color: rgba(88, 212, 255, 0.35);
}

.button-inline:hover,
.button-inline:focus-visible {
    transform: translateY(-1px);
}

.shorts-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.short-card {
    display: grid;
    gap: 14px;
    padding: 14px;
    border-radius: var(--radius-lg);
}

.short-card-thumb {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    aspect-ratio: 9 / 16;
    background: rgba(255, 255, 255, 0.05);
}

.short-card-body {
    display: grid;
    gap: 10px;
}

.topic-card {
    grid-column: span 3;
    display: grid;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-lg);
}

.topic-card h3 {
    margin: 0;
    max-width: 100%;
    font-size: 1.35rem;
}

.topic-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.topic-card li {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    line-height: 1.45;
}

.about-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 28px 32px;
}

.site-footer {
    padding: 0 0 48px;
    color: var(--text-soft);
}

.site-footer div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: grid;
    place-items: center;
    padding: 24px;
}

.modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 12, 0.74);
    backdrop-filter: blur(16px);
}

.modal-dialog {
    position: relative;
    width: min(1080px, 100%);
    padding: 24px;
    border-radius: 28px;
}

.modal-close {
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 18px;
}

.noscript-banner {
    position: fixed;
    inset: auto 16px 16px;
    z-index: 100;
    padding: 14px 18px;
    border-radius: 14px;
    background: rgba(255, 120, 96, 0.92);
    color: #06101c;
    font-weight: 700;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 700ms ease,
        transform 700ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.video-card,
.short-card,
.topic-card,
.queue-item,
.stat-band-card {
    opacity: 0;
    transform: translateY(22px);
    animation: cardIn 700ms ease forwards;
    animation-delay: var(--delay, 0ms);
}

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

@media (max-width: 1120px) {
    .site-header {
        border-radius: 28px;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-side {
        gap: 18px;
    }

    .stat-band {
        grid-template-columns: 1fr;
    }

    .video-card {
        grid-column: span 6;
    }

    .shorts-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .topic-card {
        grid-column: span 6;
    }

    .about-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .site-header {
        position: static;
        flex-wrap: wrap;
        justify-content: center;
        padding: 18px;
        border-radius: 24px;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .header-actions {
        width: 100%;
        justify-content: center;
    }

    .hero-copy,
    .player-panel,
    .about-card,
    .modal-dialog {
        padding: 22px;
    }

    .hero-metrics,
    .queue-list {
        grid-template-columns: 1fr;
    }

    .section-heading {
        flex-direction: column;
    }

    .filter-row {
        justify-content: flex-start;
    }

    .video-card {
        grid-column: span 12;
    }

    .topic-card {
        grid-column: span 12;
    }
}

@media (max-width: 600px) {
    .site-header,
    main,
    .site-footer {
        width: min(calc(100% - 20px), var(--max-width));
    }

    main {
        padding-top: 24px;
    }

    h1 {
        max-width: none;
        font-size: clamp(2.4rem, 14vw, 4rem);
    }

    .section-heading h2,
    .about-card h2 {
        max-width: none;
        font-size: 2rem;
    }

    .site-nav {
        gap: 4px;
        padding: 6px;
        overflow-x: auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        scrollbar-width: none;
    }

    .site-nav::-webkit-scrollbar {
        display: none;
    }

    .site-nav a {
        flex: 0 0 auto;
        padding: 10px 12px;
        font-size: 0.86rem;
    }

    .shorts-grid {
        grid-template-columns: 1fr;
    }

    .player-frame,
    .modal-frame {
        border-radius: 18px;
    }

    .hero-actions,
    .player-actions,
    .about-actions,
    .header-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .sound-toggle,
    #play-random-top,
    .header-cta,
    .button,
    .button-inline {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .reveal.is-visible {
        opacity: 1;
        transform: none;
    }
}