/* Global theme */
:root {
    --bg-gradient-top: #020611;
    --bg-gradient-bottom: #090f25;
    --accent: #5dd0ff;
    --accent-2: #ffb960;
    --text-main: #f0f4ff;
    --text-muted: rgba(240,244,255,0.75);
    --card-bg: rgba(10, 16, 35, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --font-sans: "Source Han Sans", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text-main);
    background: linear-gradient(160deg, var(--bg-gradient-top), var(--bg-gradient-bottom));
}

#bg-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.overlay {
    position: relative;
    z-index: 1;
    padding: clamp(20px, 4vw, 60px);
    backdrop-filter: blur(10px);
}

.site-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 40px;
}

.site-header nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-header nav a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    position: relative;
}

.site-header nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.site-header nav a:hover::after {
    transform: scaleX(1);
}

.lang-switcher {
    display: flex;
    gap: 8px;
    margin-left: 20px;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.lang-btn.active {
    background: var(--accent);
    color: #001222;
    border-color: var(--accent);
    font-weight: 600;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.75rem;
    color: var(--text-muted);
}

h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin: 0.2em 0 0;
}

.tagline {
    color: var(--text-muted);
    margin-top: 0.5em;
}


.catalog-layout {
    display: grid;
    grid-template-columns: minmax(220px, 280px) 1fr;
    gap: 24px;
    margin-bottom: 70px;
}

.catalog-nav {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 20px;
    position: sticky;
    top: 24px;
    height: fit-content;
}

.catalog-title {
    font-weight: 600;
    margin-bottom: 12px;
}

.chapter-toggle {
    width: 100%;
    text-align: left;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    color: var(--text-main);
    padding: 10px 14px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 0.95rem;
}

.chapter-nav {
    list-style: none;
    margin: 8px 0 0;
    padding: 0 0 0 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chapter-nav.collapsed {
    display: none;
}

.chapter-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.chapter-nav a:hover {
    color: var(--text-main);
}

.status-chip {
    font-size: 0.75rem;
    margin-left: 4px;
    color: var(--accent);
}

.status-chip.soon {
    color: var(--text-muted);
}

.catalog-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.chapter-section {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: clamp(20px, 3vw, 32px);
}

.chapter-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.chapter-intro {
    color: var(--text-muted);
}

.catalog-experiences {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.catalog-experience {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.catalog-experience.muted {
    opacity: 0.6;
}

.catalog-experience a {
    color: var(--accent);
    text-decoration: none;
}

.catalog-experience header {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
}

.catalog-experience h3 {
    margin: 4px 0 0;
}

.breadcrumbs {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

.catalog-experience .version {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 6px;
}

.experience-meta {
    list-style: none;
    margin: 0;
    padding: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mini-tag {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.7rem;
    color: var(--accent-2);
}

.mini-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.latest-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.badge {
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--accent);
}


.control-dock {
    position: absolute;
    z-index: 1;
    bottom: clamp(20px, 4vh, 40px);
    left: calc(clamp(260px, 25vw, 360px) + clamp(16px, 2.5vw, 36px));
    right: clamp(16px, 4vw, 56px);
    pointer-events: auto;
}

.dock-toggle {
    position: absolute;
    top: -36px;
    right: clamp(16px, 2vw, 30px);
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(8,12,30,0.7);
    color: var(--text-main);
    font-family: var(--font-sans);
    cursor: pointer;
    pointer-events: auto;
    backdrop-filter: blur(8px);
    transition: transform 0.2s, opacity 0.2s, border-color 0.2s;
}

.dock-toggle:hover {
    transform: translateY(-1px);
}

.control-dock .panel {
    pointer-events: auto;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.control-dock.collapsed .panel {
    transform: translateY(140%);
    opacity: 0;
    pointer-events: none;
}

.to-top {
    position: absolute;
    right: clamp(20px, 4vw, 60px);
    bottom: clamp(20px, 4vw, 60px);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-decoration: none;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
}

.cta-row {
    margin-top: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s, transform 0.2s;
}

.cta.primary {
    background: var(--accent);
    color: #001222;
}

.cta.secondary {
    border: 1px solid var(--card-border);
    color: var(--text-main);
}

.cta:hover {
    transform: translateY(-2px);
}

.link-arrow {
    display: inline-flex;
    margin-top: 16px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.hero-card ul {
    padding-left: 18px;
    color: var(--text-muted);
}

.chapters h2,
.about h2,
.chapter-grid h3 {
    margin-top: 0;
}

.section-intro {
    color: var(--text-muted);
    max-width: 600px;
}

.chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 24px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.card-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-2);
    margin-bottom: 8px;
}

.card p {
    color: var(--text-muted);
    flex-grow: 1;
}

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.card-actions span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pill {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 0.8rem;
}

.status-live {
    color: var(--accent);
}

.status-soon {
    color: var(--text-muted);
}

.coming {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px dashed rgba(255,255,255,0.3);
}

.about {
    margin-top: 80px;
    line-height: 1.8;
    color: var(--text-muted);
    background: rgba(255,255,255,0.02);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
}

footer {
    margin-top: 60px;
    text-align: center;
    color: var(--text-muted);
}

/* Section layout for subpages */
body.section-page main {
    display: grid;
    grid-template-columns: minmax(260px, 320px) 1fr;
    gap: 30px;
}

.section-page .panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.experience-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.experience-card a {
    align-self: flex-start;
}

@media (max-width: 900px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
    }
    body.section-page main {
        grid-template-columns: 1fr;
    }
    .catalog-layout {
        grid-template-columns: 1fr;
    }
    .catalog-nav {
        position: relative;
        top: 0;
        margin-bottom: 16px;
    }
    .lang-switcher {
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 1200px) {
    .control-dock {
        left: clamp(260px, 34vw, 420px);
    }
}

@media (max-width: 600px) {
    .control-dock {
        position: relative;
        left: 0;
        right: 0;
        bottom: auto;
        margin-top: 16px;
    }

    .dock-toggle {
        right: 16px;
    }
    .catalog-experiences {
        grid-template-columns: 1fr;
    }
}