/* ── Theme tokens (dark default) ── */
:root,
:root[data-theme="dark"] {
    --bg:            #18181b;
    --sidebar-bg:    #2e2e34;
    --surface:       #2e2e34;
    --surface-alt:   #1f1f23;
    --border:        #3f3f46;
    --text:          #fafafa;
    --text-muted:    #a1a1aa;
    --sidebar-text:  #e4e4e7;
    --sidebar-muted: #71717a;
    --accent:        #fa7000;
    --accent-hover:  #ff8a2b;
    --accent-soft:   rgba(250,112,0,0.12);
    --code-bg:       #0f0f12;
    --code-text:     #e4e4e7;
    --info-bd:       #38bdf8;
    --info-bg:       rgba(56,189,248,0.08);
    --info-tx:       #bae6fd;
    --warn-bd:       #f59e0b;
    --warn-bg:       rgba(245,158,11,0.08);
    --warn-tx:       #fcd34d;
    --table-stripe:  #1f1f23;
    --shadow:        0 4px 24px rgba(0,0,0,0.5);
    --sidebar-w:     272px;
    --radius:        8px;
    --emph-grad:     linear-gradient(135deg, #ff5500 0%, #6038ff 100%);
    --spot-color:    rgba(255,85,0,0.20);
    --spot-color-2:  rgba(96,56,255,0.12);
}

:root[data-theme="light"] {
    --bg:            #ffffff;
    --sidebar-bg:    #f1f5f9;
    --surface:       #f8fafc;
    --surface-alt:   #f1f5f9;
    --border:        #e2e8f0;
    --text:          #1e293b;
    --text-muted:    #64748b;
    --sidebar-text:  #18181b;
    --sidebar-muted: #71717a;
    --accent:        #fa7000;
    --accent-hover:  #d85c00;
    --accent-soft:   rgba(250,112,0,0.10);
    --code-bg:       #0f172a;
    --code-text:     #e2e8f0;
    --info-bd:       #bfdbfe;
    --info-bg:       #eff6ff;
    --info-tx:       #1e40af;
    --warn-bd:       #fcd34d;
    --warn-bg:       #fffbeb;
    --warn-tx:       #92400e;
    --table-stripe:  #fafafa;
    --shadow:        0 4px 24px rgba(0,0,0,0.10);
    --emph-grad:     linear-gradient(135deg, #dc2f00 0%, #3a1ed4 100%);
    --spot-color:    rgba(220,47,0,0.14);
    --spot-color-2:  rgba(58,30,212,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-size: 19px;
    line-height: 1.75;
    color: var(--text);
    background:
        radial-gradient(700px circle at var(--mx, 50%) var(--my, 50%), var(--spot-color), transparent 55%),
        radial-gradient(900px circle at var(--mx, 50%) var(--my, 50%), var(--spot-color-2), transparent 70%),
        var(--bg);
    background-attachment: fixed;
}

/* ── Emphasis (orange→indigo gradient fill, body font heavy) ── */
.emph {
    font-weight: 800;
    background: var(--emph-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--sidebar-bg);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    padding: 18px 0 40px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.08) transparent;
}

.sidebar::-webkit-scrollbar       { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }

.nav-group {
    margin-bottom: 6px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.nav-group:last-child { border-bottom: none; }

.nav-group-label {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.9px;
    color: var(--sidebar-muted);
    padding: 12px 20px 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 7px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 16px;
    border-left: 2px solid transparent;
    transition: all 0.15s;
}

.nav-link:hover { color: var(--text); background: var(--accent-soft); text-decoration: none; }

.nav-link.active {
    color: var(--accent);
    background: var(--accent-soft);
    border-left-color: var(--accent);
}

/* ── Theme toggle ── */
.theme-toggle {
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 200;
    width: 40px;
    height: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.15s, border-color 0.15s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ── Main layout ── */
.layout { display: flex; min-height: 100vh; }

.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-width: 0;
}

.content {
    max-width: 100%;
    padding: 0px 48px 96px;
    overflow-wrap: break-word;
}

/* ── Typography ── */
h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin: 28px 0px 14px;
    color: var(--text);
}

h2 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 12px;
    color: var(--text);
}

h3 {
    font-size: 23px;
    font-weight: 600;
    color: var(--text);
}

p { margin-bottom: 14px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

strong { color: var(--text); }
u { text-decoration-color: var(--accent); }

/* small social icon helper (Discord, etc) */
.discord-icon {
    height: 1em;
    vertical-align: text-bottom;
    margin-right: 0.3em;
}

ul, ol { margin: 0 0 16px 22px; }
li { margin-bottom: 6px; }

code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 16px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--accent);
}

.doc-section { margin-bottom: 0; }

/* ── CTA banner ── */
.cta-banner {
    text-align: center;
    padding: 32px 16px;
    margin: 40px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    font-weight: 800;
    font-size: 38px;
    line-height: 1.15;
    letter-spacing: -0.5px;
    background: var(--emph-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.cta-banner span + span::before { content: " "; }

/* ── Callouts ── */
.callout {
    display: flex;
    gap: 14px;
    padding: 14px 18px;
    border-radius: var(--radius);
    margin: 20px 0;
    font-size: 18px;
    line-height: 1.6;
    border-left: 4px solid;
}

.callout-info    { background: var(--info-bg); border-left-color: var(--info-bd); color: var(--info-tx); }
.callout-warning { background: var(--warn-bg); border-left-color: var(--warn-bd); color: var(--warn-tx); }

/* ── File format display ── */
.file-format {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 14px 18px;
    border-radius: var(--radius);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 17px;
    margin: 16px 0;
    overflow-x: auto;
    letter-spacing: 0.2px;
    border: 1px solid var(--border);
}

.t-date { color: #89dceb; }
.t-hash { color: #a6e3a1; }
.t-name { color: #cba6f7; }
.t-ext  { color: #f9e2af; }

/* ── Table ── */
.table-wrapper { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 18px; }

th {
    text-align: left;
    padding: 9px 14px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 15px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    vertical-align: top;
    color: var(--text);
}

tr:nth-child(even) td { background: var(--table-stripe); }

td code { color: var(--accent); }

/* ── Menu button (mobile) ── */
.menu-btn {
    display: none;
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 200;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
}

.menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.2s;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 149;
}

/* ── Hero ── */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 60px 0px 24px;
    margin-bottom: 0;
}

.hero-logo {
    width: 140px;
    height: 140px;
    border-radius: 22px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.hero-title {
    font-size: 88px;
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 1;
    background: var(--emph-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.play-badge {
    height: 80px;
    margin-top: 16px;
}

/* ── Image strip ── */
.image-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0;
}

.image-strip a {
    flex: 1;
    min-width: 0;
}

.screenshot-sm {
    max-width: 100%;
    height: auto;
    cursor: pointer;
    display: block;
    border-radius: 8px;
}

.image-strip .screenshot-sm {
    width: 100%;
}

@media (min-width: 768px) {
    .image-strip--narrow a {
        max-width: 250px;
    }
}

/* Mobile: regular image strips become a horizontal snap-scroll row.
   Narrow strips (1–2 images) keep stacking as before. */
@media (max-width: 768px) {
    .image-strip:not(.image-strip--narrow) {
        flex-wrap: nowrap;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-padding-inline: 16px;
        padding-bottom: 6px;
        gap: 10px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    .image-strip:not(.image-strip--narrow) a {
        flex: 0 0 auto;
        scroll-snap-align: center;
    }
    .image-strip:not(.image-strip--narrow) img {
        height: 48vh;
        width: auto;
        max-width: none;
    }
}

/* ── Video frame (shared) ── */
.video-frame {
    display: block;
    width: 100%;
    aspect-ratio: 1072 / 2400;
    border-radius: 22px;
    background: #000;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* ── Side-by-side media row (text + sticky video) ──
   At ≥1100px, doc-section becomes a 2-column grid: text flows left,
   the video sticks to the viewport top so it stays beside its text. */
.media-row__media {
    margin: 20px auto;
    max-width: 280px;
}

@media (min-width: 1100px) {
    .doc-section.media-row {
        display: grid;
        grid-template-columns: minmax(0, 1fr) clamp(220px, 22vw, 280px);
        column-gap: 40px;
        align-items: start;
    }
    .doc-section.media-row > .media-row__media {
        position: sticky;
        top: 24px;
        margin: 28px 0 0;
        max-width: none;
    }
    /* Inline media-row inside a section (used by Requirements) */
    .doc-section > .media-row {
        display: grid;
        grid-template-columns: minmax(0, 1fr) clamp(220px, 22vw, 280px);
        column-gap: 40px;
        align-items: start;
        margin: 12px 0;
    }
    .doc-section > .media-row > .media-row__media {
        position: sticky;
        top: 24px;
        margin: 0;
        max-width: none;
    }
}

/* ── "Easy to use once set up" feature strip ── */
.feature-strip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 32px 0 48px;
    text-align: center;
}

.feature-strip__copy { max-width: 560px; }

.feature-strip__heading {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -0.6px;
    line-height: 1.15;
    margin: 0 0 10px;
    background: var(--emph-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.feature-strip__sub {
    font-size: 20px;
    color: var(--text-muted);
    margin: 0;
}

.feature-strip__media {
    width: 100%;
    max-width: 280px;
}

@media (min-width: 1100px) {
    .feature-strip {
        flex-direction: row;
        text-align: left;
        align-items: center;
        justify-content: center;
        gap: 56px;
        padding: 40px 0 64px;
    }
    .feature-strip__heading { font-size: 56px; }
    .feature-strip__media   { max-width: 300px; flex-shrink: 0; }
}

/* ── Responsive ── */
/* Touch / no-cursor devices — pin the spotlight near the hero so it reads as
   deliberate page lighting instead of a stuck-at-center fallback. JS-set
   inline styles on :root will still override these on hybrid (mouse+touch)
   devices the moment a real mousemove fires. */
@media (hover: none) {
    :root {
        --mx: 50vw;
        --my: 18vh;
    }
}

@media (max-width: 768px) {
    .menu-btn { display: flex; }

    .theme-toggle {
        top: 62px;
    }

    .sidebar {
        left: auto;
        right: 0;
        transform: translateX(100%);
        transition: transform 0.25s ease;
        z-index: 150;
        padding-top: 68px;
    }

    .sidebar.open { transform: translateX(0); }

    .sidebar-overlay.open { display: block; }

    .main { margin-left: 0; }

    .hero { padding: 72px 24px 36px; text-align: center; flex-wrap: wrap; }

    .hero-title { font-size: 64px; letter-spacing: -2px; }

    .play-badge { height: 80px; margin-bottom: -64px; }

    .content { padding: 36px 20px 64px; }

    .cta-banner {
        margin: 28px 0;
        padding: 24px 12px;
        font-size: 26px;
    }
}