/* GLYPHS OF THE UNSPOKEN — gotu.online
   Modern adaptive design — GOTU-verse aesthetic */

/* ── Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Design tokens ── */
:root {
    /* Space background */
    --space-deep:    #05060e;
    --space-mid:     #080b14;
    --space-surface: #0c0f1a;

    /* Header height used for scroll offsets and hero sizing */
    --header-height: 58px;

    /* Faction palette */
    --archive:       #4DD0E1;
    --archive-dim:   rgba(77, 208, 225, 0.12);
    --archive-glow:  rgba(77, 208, 225, 0.25);
    --severed:       #FF5722;
    --severed-dim:   rgba(255, 87, 34, 0.10);
    --severed-glow:  rgba(255, 87, 34, 0.22);
    --interpreter:   #CE93D8;
    --interpreter-dim: rgba(206, 147, 216, 0.10);
    --interpreter-glow: rgba(206, 147, 216, 0.22);
    --riftborn:      #7C4DFF;
    --riftborn-dim:  rgba(124, 77, 255, 0.10);
    --riftborn-glow: rgba(124, 77, 255, 0.22);
    --remnant:       #FFD54F;
    --remnant-dim:   rgba(255, 213, 79, 0.10);
    --remnant-glow:  rgba(255, 213, 79, 0.22);

    /* Lattice (primary accent) */
    --cyan:          #3DCFDC;
    --cyan-dim:      rgba(61, 207, 220, 0.12);
    --cyan-border:   rgba(61, 207, 220, 0.28);
    --purple:        #8C3DCC;
    --purple-dim:    rgba(140, 61, 204, 0.12);

    /* Whites — values chosen for WCAG AA contrast on --space-deep (#05060e)
       --w78 composites to ~#c8c8cb  ≈ 11.5:1
       --w62 composites to ~#9f9fa2  ≈  8.2:1  (was 0.70 / 0.45 — now both boosted)
       --w48 composites to ~#7a7a7f  ≈  5.1:1  (was 0.25 — passes WCAG AA)
       --w10 / --w06 / --w03 are decorative-only surfaces, never used for readable text */
    --w100: rgba(255,255,255,1.00);
    --w70:  rgba(255,255,255,0.78);
    --w45:  rgba(255,255,255,0.62);
    --w25:  rgba(255,255,255,0.48);
    --w10:  rgba(255,255,255,0.10);
    --w06:  rgba(255,255,255,0.06);
    --w03:  rgba(255,255,255,0.03);

    /* Glass surface */
    --glass-bg:     rgba(255,255,255,0.04);
    --glass-border: rgba(255,255,255,0.08);
    --glass-blur:   12px;

    /* Typography */
    --mono: "JetBrains Mono", "Fira Mono", "Cascadia Code", "Menlo", "Consolas", monospace;

    /* Layout */
    --content-max: 1080px;
    --content-narrow: 720px;
    --gutter: clamp(20px, 5vw, 48px);

    /* Transitions */
    --ease: cubic-bezier(0.22, 0.68, 0, 1.2);
    --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
}

/* ── Keyframes ── */

@keyframes heroBreath {
    0%, 100% { opacity: 0.55; transform: scale(1); }
    50%       { opacity: 0.80; transform: scale(1.04); }
}

@keyframes starShimmer {
    0%, 100% { opacity: 0.3; }
    50%       { opacity: 0.9; }
}

@keyframes signalPulse {
    0%   { opacity: 1; }
    50%  { opacity: 0.35; }
    100% { opacity: 1; }
}

@keyframes scanline {
    0%   { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

@keyframes revealUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 12px rgba(61,207,220,0.15); }
    50%       { box-shadow: 0 0 28px rgba(61,207,220,0.35); }
}

@keyframes revealItem {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes vtFadeOut {
    to { opacity: 0; transform: scale(0.99) translateY(-6px); }
}

@keyframes vtFadeIn {
    from { opacity: 0; transform: scale(0.99) translateY(6px); }
}

/* ── View Transitions API — smooth page navigation ── */

@view-transition { navigation: auto; }

::view-transition-old(root) {
    animation: 0.28s ease-in both vtFadeOut;
}

::view-transition-new(root) {
    animation: 0.32s ease-out both vtFadeIn;
}

/* ── Base ── */

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background: var(--space-deep);
    color: var(--w70);
    font-family: var(--mono);
    font-size: clamp(0.9rem, 1.5vw, 0.9375rem);  /* min 14.4px — WCAG 1.4.4 */
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Scroll reveal — JS-driven baseline, CSS scroll-driven as enhancement ── */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}

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

/* Progressive enhancement: replace JS observer with native scroll-driven animation */
@supports (animation-timeline: view()) {
    @media not (prefers-reduced-motion: reduce) {
        .reveal {
            transform: none;
            opacity: 1;
            transition: none;
            animation: revealItem linear both;
            animation-timeline: view();
            animation-range: entry 0% entry 28%;
        }
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   ACCESSIBILITY SYSTEM
   ─────────────────────────────────────────────────────────────────────────────

   A. User-adjustable overrides (applied via html.* classes, set by a11y panel)
      • text-large / text-xlarge   — larger base font size
      • font-readable / font-dyslexia — alternate typefaces
      • contrast-high / contrast-ultra — boosted palette
      • spacing-wide — increased line height and letter spacing
      • motion-none — disables all animations and transitions

   B. Focus-visible ring (WCAG 2.4.7 Focus Visible)
   C. Touch target minimums (WCAG 2.5.5)
   D. prefers-contrast: more
   E. forced-colors (Windows High Contrast)
   F. Accessibility panel UI
   ───────────────────────────────────────────────────────────────────────────── */

/* ── A. User overrides ── */

/* Text size */
html.text-large  { font-size: 19px; }
html.text-xlarge { font-size: 23px; }

/* Font family — overrides the --mono variable used everywhere */
html.font-readable {
    --mono: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
html.font-dyslexia {
    --mono: "Atkinson Hyperlegible", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Contrast boost */
html.contrast-high {
    --w70:  rgba(255,255,255,0.94);
    --w45:  rgba(255,255,255,0.84);
    --w25:  rgba(255,255,255,0.72);
    --glass-border: rgba(255,255,255,0.16);
}

html.contrast-ultra {
    --w70:  rgba(255,255,255,1.00);
    --w45:  rgba(255,255,255,0.94);
    --w25:  rgba(255,255,255,0.86);
    --cyan:  #7ef4ff;
    --glass-border: rgba(255,255,255,0.30);
    --glass-bg: rgba(255,255,255,0.07);
}

/* Spacing */
html.spacing-wide body {
    line-height: 2.1;
}

html.spacing-wide p,
html.spacing-wide li,
html.spacing-wide .glyph-lore,
html.spacing-wide .faction-description,
html.spacing-wide .transmission-body,
html.spacing-wide .board-desc,
html.spacing-wide .prose p {
    letter-spacing: 0.015em;
}

/* Reduce motion — near-zero durations instead of display:none so layout is preserved */
html.motion-none *,
html.motion-none *::before,
html.motion-none *::after {
    animation-duration:        0.01ms !important;
    animation-iteration-count: 1      !important;
    transition-duration:       0.01ms !important;
    scroll-behavior:           auto   !important;
}

/* ── B. Focus-visible ring ── */

*:focus { outline: none; }

*:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 3px;
}

button:focus-visible,
.back-to-top:focus-visible,
.a11y-trigger:focus-visible,
.media-lightbox-close:focus-visible,
.nav-toggle:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
    border-radius: 50%;
}

.nav a:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 4px;
    border-radius: 2px;
}

/* ── C. Touch targets ── */

.filter-tab,
.media-tab,
.nav-toggle {
    min-width: 44px;
    min-height: 44px;
}

.nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

/* ── D. prefers-contrast: more ── */

@media (prefers-contrast: more) {
    :root {
        --w70:  rgba(255,255,255,0.95);
        --w45:  rgba(255,255,255,0.88);
        --w25:  rgba(255,255,255,0.78);
        --cyan:  #5eeeff;
        --cyan-border: rgba(94,238,255,0.60);
        --glass-border: rgba(255,255,255,0.30);
    }

    .site-header { border-bottom-color: rgba(255,255,255,0.30); }

    .glyph-cell,
    .faction-card,
    .transmission-card,
    .board-card,
    .feature-cell { border-color: rgba(255,255,255,0.25); }
}

/* ── E. forced-colors (Windows High Contrast) ── */

@media (forced-colors: active) {
    .site-header,
    .glyph-cell,
    .faction-card,
    .transmission-card,
    .board-card,
    .btn-primary,
    .btn-secondary,
    .filter-tab,
    .media-tab,
    .a11y-trigger,
    .back-to-top {
        forced-color-adjust: auto;
    }

    .hero::before,
    .hero::after {
        forced-color-adjust: none;
        opacity: 0.12;
    }
}

/* ── F. Accessibility panel ── */

@keyframes a11yIn {
    from { opacity: 0; transform: scale(0.94) translateY(10px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

.a11y-trigger {
    position: fixed;
    bottom: calc(clamp(20px, 4vw, 32px) + 52px + env(safe-area-inset-bottom, 0px));
    right: clamp(16px, 3vw, 28px);
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 6, 14, 0.92);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--w45);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    z-index: 300;
}

.a11y-trigger:hover,
.a11y-trigger[aria-expanded="true"] {
    background: var(--cyan-dim);
    border-color: var(--cyan-border);
    color: var(--cyan);
}

.a11y-panel {
    position: fixed;
    bottom: calc(clamp(20px, 4vw, 32px) + 110px + env(safe-area-inset-bottom, 0px));
    right: clamp(16px, 3vw, 28px);
    width: min(268px, calc(100vw - 32px));
    background: rgba(6, 8, 18, 0.97);
    border: 1px solid var(--cyan-border);
    border-radius: 10px;
    padding: 14px;
    z-index: 301;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 12px 48px rgba(0,0,0,0.65), 0 0 28px rgba(61,207,220,0.07);
    transform-origin: bottom right;
    animation: a11yIn 0.2s var(--ease-out) both;
}

/* Mobile: slide up as bottom sheet */
@media (max-width: 480px) {
    .a11y-panel {
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 85dvh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 16px 16px 0 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
        transform-origin: bottom center;
    }
}

.a11y-panel[hidden] { display: none; }

.a11y-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

.a11y-panel-title {
    font-size: 0.5625rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--cyan);
}

.a11y-panel-close {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--w45);
    font-family: var(--mono);
    font-size: 0.875rem;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.a11y-panel-close:hover {
    border-color: var(--cyan-border);
    color: var(--cyan);
}

.a11y-group {
    margin-bottom: 10px;
}

.a11y-group-label {
    font-size: 0.4375rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--w25);
    margin-bottom: 5px;
}

.a11y-row {
    display: flex;
    gap: 4px;
}

.a11y-btn {
    flex: 1;
    min-width: 0;
    padding: 5px 6px;
    font-family: var(--mono);
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--w45);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    white-space: nowrap;
    text-align: center;
}

/* Text-size buttons: show scaled "A" */
.a11y-btn[data-key="textSize"][data-val="default"]  { font-size: 0.5625rem; }
.a11y-btn[data-key="textSize"][data-val="large"]    { font-size: 0.6875rem; }
.a11y-btn[data-key="textSize"][data-val="xlarge"]   { font-size: 0.8125rem; }

.a11y-btn:hover {
    background: var(--w06);
    color: var(--w70);
}

.a11y-btn--active,
.a11y-btn[aria-pressed="true"] {
    background: var(--cyan-dim);
    border-color: var(--cyan-border);
    color: var(--cyan);
}

.a11y-divider {
    border: none;
    border-top: 1px solid var(--glass-border);
    margin: 10px 0;
}

.a11y-reset {
    width: 100%;
    padding: 6px;
    margin-top: 10px;
    font-family: var(--mono);
    font-size: 0.4375rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    background: none;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--w25);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.a11y-reset:hover {
    border-color: rgba(255,87,34,0.35);
    color: var(--severed);
    background: rgba(255,87,34,0.06);
}

/* ── Header ── */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 18px var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: rgba(5, 6, 14, 0.82);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: clamp(0.65rem, 1.5vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.22em;
    color: var(--cyan);
    text-decoration: none;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.logo::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border: 1.5px solid var(--cyan);
    transform: rotate(45deg);
    flex-shrink: 0;
    animation: signalPulse 3s ease-in-out infinite;
}

.logo:hover {
    color: var(--w100);
}

.nav {
    display: flex;
    gap: clamp(14px, 3vw, 32px);
    list-style: none;
}

.nav a {
    font-size: clamp(0.575rem, 1.2vw, 0.6875rem);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--w45);
    text-decoration: none;
    transition: color 0.15s;
    position: relative;
    white-space: nowrap;
}

.nav a::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s var(--ease-out);
}

.nav a:hover {
    color: var(--w100);
}

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

/* ── Layout ── */

main {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    position: relative;
    z-index: 1;
}

/* ── Footer ── */

.site-footer {
    border-top: 1px solid var(--glass-border);
    padding: clamp(24px, 4vw, 32px) var(--gutter);
    margin-top: clamp(60px, 10vw, 100px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    background: rgba(5,6,14,0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    z-index: 1;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: clamp(0.575rem, 1.2vw, 0.625rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--w25);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-links a:hover {
    color: var(--w70);
}

.footer-copy {
    font-size: clamp(0.575rem, 1.2vw, 0.625rem);
    letter-spacing: 0.12em;
    color: var(--w25);
}

/* ── Hero — full viewport, content vertically centred ── */

.hero {
    min-height: calc(100svh - var(--header-height));
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: clamp(40px, 6svh, 80px);
    padding-inline: 0;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

/* Centred atmospheric glow — no corners, no blobs */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 25% 50%, rgba(77,208,225,0.055) 0%, transparent 70%),
        radial-gradient(ellipse 60% 80% at 75% 50%, rgba(124,77,255,0.045) 0%, transparent 65%);
    pointer-events: none;
    animation: heroBreath 10s ease-in-out infinite;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    /* Fine star-dot pattern — pure CSS, no canvas */
    background-image:
        radial-gradient(circle at 12% 18%, rgba(255,255,255,0.35) 0, rgba(255,255,255,0.35) 0.8px, transparent 0.8px),
        radial-gradient(circle at 34% 72%, rgba(77,208,225,0.55)  0, rgba(77,208,225,0.55)  0.8px, transparent 0.8px),
        radial-gradient(circle at 58%  9%, rgba(255,255,255,0.25) 0, rgba(255,255,255,0.25) 0.8px, transparent 0.8px),
        radial-gradient(circle at 78% 41%, rgba(255,255,255,0.30) 0, rgba(255,255,255,0.30) 0.8px, transparent 0.8px),
        radial-gradient(circle at 90% 85%, rgba(124,77,255,0.50)  0, rgba(124,77,255,0.50)  0.8px, transparent 0.8px),
        radial-gradient(circle at 22% 55%, rgba(255,255,255,0.20) 0, rgba(255,255,255,0.20) 0.8px, transparent 0.8px),
        radial-gradient(circle at 45% 30%, rgba(255,255,255,0.40) 0, rgba(255,255,255,0.40) 0.8px, transparent 0.8px),
        radial-gradient(circle at 67% 63%, rgba(77,208,225,0.40)  0, rgba(77,208,225,0.40)  0.8px, transparent 0.8px),
        radial-gradient(circle at  5% 90%, rgba(255,255,255,0.25) 0, rgba(255,255,255,0.25) 0.8px, transparent 0.8px),
        radial-gradient(circle at 82% 14%, rgba(255,255,255,0.30) 0, rgba(255,255,255,0.30) 0.8px, transparent 0.8px),
        radial-gradient(circle at 15% 44%, rgba(124,77,255,0.35)  0, rgba(124,77,255,0.35)  0.8px, transparent 0.8px),
        radial-gradient(circle at 52% 80%, rgba(255,255,255,0.20) 0, rgba(255,255,255,0.20) 0.8px, transparent 0.8px),
        radial-gradient(circle at 70% 22%, rgba(255,255,255,0.35) 0, rgba(255,255,255,0.35) 0.8px, transparent 0.8px),
        radial-gradient(circle at 38% 50%, rgba(77,208,225,0.30)  0, rgba(77,208,225,0.30)  0.8px, transparent 0.8px),
        radial-gradient(circle at 92% 58%, rgba(255,255,255,0.25) 0, rgba(255,255,255,0.25) 0.8px, transparent 0.8px),
        radial-gradient(circle at  3% 33%, rgba(255,255,255,0.30) 0, rgba(255,255,255,0.30) 0.8px, transparent 0.8px),
        radial-gradient(circle at 62% 47%, rgba(124,77,255,0.40)  0, rgba(124,77,255,0.40)  0.8px, transparent 0.8px),
        radial-gradient(circle at 29% 92%, rgba(255,255,255,0.20) 0, rgba(255,255,255,0.20) 0.8px, transparent 0.8px),
        radial-gradient(circle at 48% 15%, rgba(77,208,225,0.45)  0, rgba(77,208,225,0.45)  0.8px, transparent 0.8px),
        radial-gradient(circle at 85% 70%, rgba(255,255,255,0.25) 0, rgba(255,255,255,0.25) 0.8px, transparent 0.8px);
    pointer-events: none;
    animation: heroBreath 16s ease-in-out infinite reverse;
}

.hero-signal {
    font-size: clamp(0.55rem, 1.1vw, 0.625rem);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: signalPulse 4s ease-in-out infinite;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.hero-signal::before {
    content: "";
    display: inline-block;
    width: clamp(18px, 3vw, 32px);
    height: 1px;
    background: currentColor;
    flex-shrink: 0;
}

.hero-title {
    font-size: clamp(1.6rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: clamp(0.06em, 1.5vw, 0.14em);
    text-transform: uppercase;
    color: var(--w100);
    line-height: 1.1;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    text-wrap: balance;
    /* Text glow */
    text-shadow: 0 0 40px rgba(61,207,220,0.18), 0 0 80px rgba(61,207,220,0.08);
}

.hero-subtitle {
    font-size: clamp(0.6rem, 1.3vw, 0.6875rem);
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--w25);
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.hero-body {
    font-size: clamp(0.875rem, 2vw, 1rem);
    line-height: 1.90;
    color: var(--w70);
    max-width: min(580px, 100%);
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.hero-body p + p {
    margin-top: 1em;
}

.cta-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* ── Buttons ── */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: clamp(12px, 2vw, 14px) clamp(20px, 3.5vw, 30px);
    background: var(--cyan-dim);
    border: 1px solid var(--cyan-border);
    border-radius: 6px;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: clamp(0.65rem, 1.4vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(61,207,220,0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.2s;
}

.btn-primary:hover {
    background: rgba(61, 207, 220, 0.20);
    border-color: rgba(61, 207, 220, 0.55);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(61,207,220,0.20);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: clamp(12px, 2vw, 14px) clamp(20px, 3.5vw, 30px);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--w45);
    font-family: var(--mono);
    font-size: clamp(0.65rem, 1.4vw, 0.75rem);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    color: var(--w70);
    border-color: var(--w25);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* ── Sections ── */

/* Compensate for sticky header when hash-navigating */
section[id],
.page-hero {
    scroll-margin-top: calc(var(--header-height) + 16px);
}

.section {
    padding-block: clamp(56px, 8svh, 96px);
    border-bottom: 1px solid var(--glass-border);
    /* Each section starts on its own visual stage */
    position: relative;
}

.section-label {
    font-size: clamp(0.55rem, 1.1vw, 0.6rem);
    font-weight: 700;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--purple);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 1px;
    background: currentColor;
    flex-shrink: 0;
}

.section-heading {
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--w100);
    margin-bottom: 16px;
    text-wrap: balance;
}

.section-body {
    font-size: clamp(0.8rem, 1.8vw, 0.9rem);
    line-height: 1.85;
    color: var(--w45);
    max-width: min(600px, 100%);
}

.section-body p + p {
    margin-top: 1em;
}

/* ── Feature grid ── */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
    gap: 1px;
    margin-top: 36px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
}

.feature-cell {
    padding: clamp(18px, 3vw, 26px) clamp(16px, 2.5vw, 22px);
    background: var(--glass-bg);
    border: 1px solid transparent;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
}

.feature-cell::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-border), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-cell:hover {
    background: rgba(61,207,220,0.06);
    border-color: var(--cyan-border);
}

.feature-cell:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: clamp(0.55rem, 1.1vw, 0.625rem);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 10px;
}

.feature-name {
    font-size: clamp(0.75rem, 1.6vw, 0.8125rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--w70);
    margin-bottom: 8px;
}

.feature-desc {
    font-size: clamp(0.7rem, 1.4vw, 0.75rem);
    line-height: 1.70;
    color: var(--w25);
}

/* ── Faction strip ── */

.faction-strip {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr));
    gap: 1px;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.faction-cell {
    padding: clamp(16px, 2.5vw, 20px) clamp(14px, 2vw, 18px);
    border-left: 2px solid transparent;
    background: var(--glass-bg);
    transition: background 0.2s, transform 0.15s;
    cursor: default;
}

.faction-cell[data-faction="archive"]     { border-color: var(--archive); }
.faction-cell[data-faction="severed"]     { border-color: var(--severed); }
.faction-cell[data-faction="interpreter"] { border-color: var(--interpreter); }
.faction-cell[data-faction="riftborn"]    { border-color: var(--riftborn); }

.faction-cell[data-faction="archive"]:hover     { background: var(--archive-dim); }
.faction-cell[data-faction="severed"]:hover     { background: var(--severed-dim); }
.faction-cell[data-faction="interpreter"]:hover { background: var(--interpreter-dim); }
.faction-cell[data-faction="riftborn"]:hover    { background: var(--riftborn-dim); }

.faction-name {
    font-size: clamp(0.625rem, 1.4vw, 0.6875rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.faction-cell[data-faction="archive"]     .faction-name { color: var(--archive); }
.faction-cell[data-faction="severed"]     .faction-name { color: var(--severed); }
.faction-cell[data-faction="interpreter"] .faction-name { color: var(--interpreter); }
.faction-cell[data-faction="riftborn"]    .faction-name { color: var(--riftborn); }

.faction-doctrine {
    font-size: clamp(0.625rem, 1.3vw, 0.6875rem);
    line-height: 1.65;
    color: var(--w25);
    font-style: italic;
}

/* ── Transmission block ── */

.transmission {
    margin-top: 36px;
    padding: clamp(20px, 3vw, 28px) clamp(18px, 2.5vw, 24px);
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--cyan);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 0 6px 6px 0;
    position: relative;
    overflow: hidden;
}

.transmission::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--cyan-dim), transparent 70%);
    pointer-events: none;
}

.transmission-tag {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.30em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 12px;
    opacity: 0.65;
    position: relative;
}

.transmission-text {
    font-size: clamp(0.75rem, 1.6vw, 0.8125rem);
    line-height: 1.80;
    color: var(--w45);
    font-style: italic;
    position: relative;
}

/* ── Lattice diagram ── */

.lattice-diagram {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 0;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.lattice-node {
    padding: clamp(18px, 3vw, 24px) clamp(14px, 2vw, 18px);
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform 0.2s;
    min-width: 0;
}

.lattice-node[data-state="stable"] {
    background: linear-gradient(135deg, rgba(61,207,220,0.08) 0%, rgba(61,207,220,0.04) 100%);
    border: 1px solid rgba(61,207,220,0.22);
}

.lattice-node[data-state="collapse"] {
    background: linear-gradient(135deg, rgba(255,87,34,0.08) 0%, rgba(255,87,34,0.04) 100%);
    border: 1px solid rgba(255,87,34,0.22);
}

.lattice-node[data-state="fractured"] {
    background: linear-gradient(135deg, rgba(140,61,204,0.08) 0%, rgba(140,61,204,0.04) 100%);
    border: 1px solid rgba(140,61,204,0.22);
}

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

.lattice-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 clamp(8px, 1.5vw, 14px);
    font-size: 1.1rem;
    color: var(--w25);
    background: none;
    border: none;
}

.lattice-label {
    font-size: clamp(0.625rem, 1.4vw, 0.6875rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.lattice-node[data-state="stable"]    .lattice-label { color: var(--cyan); }
.lattice-node[data-state="collapse"]  .lattice-label { color: var(--severed); }
.lattice-node[data-state="fractured"] .lattice-label { color: var(--purple); }

.lattice-desc {
    font-size: clamp(0.625rem, 1.3vw, 0.6875rem);
    line-height: 1.65;
    color: var(--w25);
}

/* ── Signal feed ── */

.signal-feed {
    margin-top: 36px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.signal-feed-header {
    padding: 10px 18px;
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.22em;
    color: var(--w25);
    border-bottom: 1px solid var(--glass-border);
    background: var(--w03);
    display: flex;
    align-items: center;
    gap: 8px;
}

.signal-feed-header::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    animation: signalPulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

.signal-entry {
    padding: clamp(16px, 2.5vw, 22px) clamp(14px, 2vw, 18px);
    border-bottom: 1px solid var(--glass-border);
    border-left: 3px solid transparent;
    background: transparent;
    transition: background 0.2s;
}

.signal-entry:last-child {
    border-bottom: none;
}

.signal-entry[data-faction="archive"]     { border-color: var(--archive); }
.signal-entry[data-faction="severed"]     { border-color: var(--severed); }
.signal-entry[data-faction="interpreter"] { border-color: var(--interpreter); }
.signal-entry[data-faction="riftborn"]    { border-color: var(--riftborn); }

.signal-entry[data-faction="archive"]:hover     { background: var(--archive-dim); }
.signal-entry[data-faction="severed"]:hover     { background: var(--severed-dim); }
.signal-entry[data-faction="interpreter"]:hover { background: var(--interpreter-dim); }
.signal-entry[data-faction="riftborn"]:hover    { background: var(--riftborn-dim); }

.signal-meta {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--w25);
    margin-bottom: 10px;
}

.signal-body {
    font-size: clamp(0.75rem, 1.6vw, 0.8125rem);
    line-height: 1.80;
    color: var(--w45);
    font-style: italic;
}

/* ── Glyph grid ── */

.glyph-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
    gap: 1px;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.glyph-cell {
    padding: clamp(18px, 3vw, 24px) clamp(16px, 2.5vw, 20px);
    background: var(--glass-bg);
    border: 1px solid transparent;
    border-top: 2px solid transparent;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.glyph-cell::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.glyph-cell[data-faction="archive"]     { border-top-color: var(--archive); }
.glyph-cell[data-faction="severed"]     { border-top-color: var(--severed); }
.glyph-cell[data-faction="interpreter"] { border-top-color: var(--interpreter); }
.glyph-cell[data-faction="riftborn"]    { border-top-color: var(--riftborn); }

.glyph-cell[data-faction="archive"]:hover     { background: var(--archive-dim); box-shadow: 0 4px 24px rgba(77,208,225,0.10); transform: translateY(-2px); }
.glyph-cell[data-faction="severed"]:hover     { background: var(--severed-dim); box-shadow: 0 4px 24px rgba(255,87,34,0.10); transform: translateY(-2px); }
.glyph-cell[data-faction="interpreter"]:hover { background: var(--interpreter-dim); box-shadow: 0 4px 24px rgba(206,147,216,0.10); transform: translateY(-2px); }
.glyph-cell[data-faction="riftborn"]:hover    { background: var(--riftborn-dim); box-shadow: 0 4px 24px rgba(124,77,255,0.10); transform: translateY(-2px); }

.glyph-id {
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 700;
    letter-spacing: 0.20em;
    text-transform: uppercase;
}

.glyph-cell[data-faction="archive"]     .glyph-id { color: var(--archive); }
.glyph-cell[data-faction="severed"]     .glyph-id { color: var(--severed); }
.glyph-cell[data-faction="interpreter"] .glyph-id { color: var(--interpreter); }
.glyph-cell[data-faction="riftborn"]    .glyph-id { color: var(--riftborn); }

.glyph-class {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--w25);
    margin-bottom: 4px;
}

.glyph-lore {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    line-height: 1.75;
    color: var(--w45);
    flex: 1;
}

.glyph-doctrine {
    font-size: clamp(0.625rem, 1.3vw, 0.6875rem);
    line-height: 1.60;
    color: var(--w25);
    font-style: italic;
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid var(--glass-border);
}

/* ── Faction cards ── */

.faction-cards {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.faction-card {
    padding: clamp(20px, 3vw, 28px) clamp(18px, 2.5vw, 24px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-left: 3px solid transparent;
    transition: background 0.2s, transform 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.faction-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 60%);
    pointer-events: none;
}

.faction-card[data-faction="archive"]     { border-color: var(--archive); }
.faction-card[data-faction="severed"]     { border-color: var(--severed); }
.faction-card[data-faction="interpreter"] { border-color: var(--interpreter); }
.faction-card[data-faction="riftborn"]    { border-color: var(--riftborn); }

.faction-card[data-faction="archive"]:hover     { background: var(--archive-dim); }
.faction-card[data-faction="severed"]:hover     { background: var(--severed-dim); }
.faction-card[data-faction="interpreter"]:hover { background: var(--interpreter-dim); }
.faction-card[data-faction="riftborn"]:hover    { background: var(--riftborn-dim); }

.faction-card-header {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.faction-card .faction-name {
    font-size: clamp(0.8rem, 1.8vw, 0.9375rem);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0;
}

.faction-card[data-faction="archive"]     .faction-name { color: var(--archive); }
.faction-card[data-faction="severed"]     .faction-name { color: var(--severed); }
.faction-card[data-faction="interpreter"] .faction-name { color: var(--interpreter); }
.faction-card[data-faction="riftborn"]    .faction-name { color: var(--riftborn); }

.faction-class {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--w25);
}

.faction-description {
    font-size: clamp(0.75rem, 1.6vw, 0.8125rem);
    line-height: 1.80;
    color: var(--w45);
    margin-bottom: 12px;
    position: relative;
}

.faction-method {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    line-height: 1.70;
    color: var(--w25);
    margin-bottom: 10px;
    position: relative;
}

.faction-method-label {
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--w45);
}

.faction-card .faction-doctrine {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    line-height: 1.65;
    color: var(--w25);
    font-style: italic;
    padding-top: 12px;
    border-top: 1px solid var(--glass-border);
    position: relative;
}

/* ── Encounter list ── */

.encounter-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.encounter-item {
    padding: clamp(22px, 3.5vw, 30px) clamp(18px, 2.5vw, 24px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-left: 3px solid transparent;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.encounter-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 60%);
    pointer-events: none;
}

.encounter-item[data-faction="archive"]     { border-color: var(--archive); }
.encounter-item[data-faction="severed"]     { border-color: var(--severed); }
.encounter-item[data-faction="interpreter"] { border-color: var(--interpreter); }
.encounter-item[data-faction="riftborn"]    { border-color: var(--riftborn); }
.encounter-item[data-faction="remnant"]     { border-color: var(--remnant); }

.encounter-item[data-faction="archive"]:hover     { background: var(--archive-dim); box-shadow: inset 0 0 40px rgba(77,208,225,0.04); transform: translateX(2px); }
.encounter-item[data-faction="severed"]:hover     { background: var(--severed-dim); box-shadow: inset 0 0 40px rgba(255,87,34,0.04); transform: translateX(2px); }
.encounter-item[data-faction="interpreter"]:hover { background: var(--interpreter-dim); box-shadow: inset 0 0 40px rgba(206,147,216,0.04); transform: translateX(2px); }
.encounter-item[data-faction="riftborn"]:hover    { background: var(--riftborn-dim); box-shadow: inset 0 0 40px rgba(124,77,255,0.04); transform: translateX(2px); }
.encounter-item[data-faction="remnant"]:hover     { background: var(--remnant-dim); box-shadow: inset 0 0 40px rgba(255,213,79,0.04); transform: translateX(2px); }
.encounter-item.encounter-final                   { background: rgba(61,207,220,0.03); }

.encounter-header {
    display: flex;
    align-items: flex-start;
    gap: clamp(12px, 2vw, 20px);
    margin-bottom: 14px;
}

.encounter-id {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--w10);
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

.encounter-name {
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 3px;
}

.encounter-item[data-faction="archive"]     .encounter-name { color: var(--archive); }
.encounter-item[data-faction="severed"]     .encounter-name { color: var(--severed); }
.encounter-item[data-faction="interpreter"] .encounter-name { color: var(--interpreter); }
.encounter-item[data-faction="riftborn"]    .encounter-name { color: var(--riftborn); }
.encounter-item[data-faction="remnant"]     .encounter-name { color: var(--remnant); }

.encounter-faction {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--w25);
}

.encounter-body {
    font-size: clamp(0.75rem, 1.6vw, 0.8125rem);
    line-height: 1.80;
    color: var(--w45);
    margin-bottom: 14px;
    position: relative;
}

.encounter-signal {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    line-height: 1.65;
    color: var(--w25);
    font-style: italic;
    padding: clamp(10px, 1.5vw, 14px) clamp(12px, 2vw, 16px);
    background: var(--w03);
    border-left: 1px solid var(--glass-border);
    border-radius: 0 4px 4px 0;
    position: relative;
}

.encounter-signal-final {
    color: rgba(61,207,220,0.55);
    border-color: rgba(61,207,220,0.20);
}

/* ── Transmission feed ── */

.transmission-feed {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.transmission-card {
    padding: clamp(18px, 3vw, 24px) clamp(16px, 2.5vw, 20px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-top: 2px solid transparent;
    transition: background 0.2s, transform 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.transmission-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 40%);
    pointer-events: none;
}

.transmission-card[data-faction="remnant"]     { border-top-color: var(--remnant); }
.transmission-card[data-faction="archive"]     { border-top-color: var(--archive); }
.transmission-card[data-faction="severed"]     { border-top-color: var(--severed); }
.transmission-card[data-faction="interpreter"] { border-top-color: var(--interpreter); }
.transmission-card[data-faction="riftborn"]    { border-top-color: var(--riftborn); }

.transmission-card[data-faction="remnant"]:hover     { background: var(--remnant-dim); }
.transmission-card[data-faction="archive"]:hover     { background: var(--archive-dim); }
.transmission-card[data-faction="severed"]:hover     { background: var(--severed-dim); }
.transmission-card[data-faction="interpreter"]:hover { background: var(--interpreter-dim); }
.transmission-card[data-faction="riftborn"]:hover    { background: var(--riftborn-dim); }

.transmission-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.transmission-id {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--w45);
    position: relative;
}

.transmission-timestamp {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.18em;
    color: var(--w25);
}

.transmission-source {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--w25);
    margin-bottom: 12px;
    font-style: italic;
    position: relative;
}

.transmission-body {
    font-size: clamp(0.75rem, 1.6vw, 0.8125rem);
    line-height: 1.80;
    color: var(--w45);
    font-style: italic;
    position: relative;
}

/* ── Spec grid ── */

.spec-grid {
    margin-top: 32px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.spec-row {
    display: flex;
    align-items: baseline;
    gap: clamp(16px, 3vw, 28px);
    padding: clamp(10px, 1.5vw, 13px) clamp(14px, 2vw, 18px);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.15s;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:hover {
    background: var(--w03);
}

.spec-key {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--w25);
    flex: 0 0 clamp(90px, 12vw, 130px);
    flex-shrink: 0;
}

.spec-val {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    color: var(--w70);
    line-height: 1.60;
}

/* ── Page hero (privacy, support) ── */

.page-hero {
    padding: clamp(48px, 8vw, 72px) 0 clamp(36px, 6vw, 52px);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: clamp(40px, 7vw, 60px);
}

.page-title {
    font-size: clamp(1.1rem, 3.5vw, 1.9rem);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--w100);
    margin-bottom: 8px;
    text-shadow: 0 0 30px rgba(61,207,220,0.15);
}

.page-meta {
    font-size: clamp(0.55rem, 1.1vw, 0.625rem);
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--w25);
}

/* ── Prose ── */

.prose h2 {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-top: 44px;
    margin-bottom: 14px;
}

.prose h3 {
    font-size: clamp(0.625rem, 1.3vw, 0.6875rem);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--w45);
    margin-top: 28px;
    margin-bottom: 8px;
}

.prose p {
    font-size: clamp(0.8rem, 1.8vw, 0.9rem);
    line-height: 1.85;
    color: var(--w45);
    margin-bottom: 1em;
}

.prose ul {
    padding-left: 18px;
    margin-bottom: 1em;
}

.prose li {
    font-size: clamp(0.8rem, 1.8vw, 0.9rem);
    line-height: 1.85;
    color: var(--w45);
    margin-bottom: 4px;
}

.prose a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.15s;
}

.prose a:hover {
    text-decoration: underline;
    color: var(--w100);
}

/* ── Support contact ── */

.support-contact {
    margin-top: 44px;
    padding: clamp(24px, 4vw, 32px) clamp(20px, 3.5vw, 28px);
    border: 1px solid var(--cyan-border);
    background: var(--cyan-dim);
    border-radius: 8px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.support-contact::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(61,207,220,0.06) 0%, transparent 60%);
    pointer-events: none;
}

.support-contact h2 {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 12px;
    position: relative;
}

.support-contact p {
    font-size: clamp(0.8rem, 1.8vw, 0.9rem);
    line-height: 1.80;
    color: var(--w70);
    margin-bottom: 16px;
    position: relative;
}

.support-contact a {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s;
}

.support-contact a:hover {
    color: var(--w100);
}

/* ── Back to top ── */

.back-to-top {
    position: fixed;
    bottom: calc(clamp(20px, 4vw, 32px) + env(safe-area-inset-bottom, 0px));
    right: clamp(16px, 3vw, 28px);
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 6, 14, 0.88);
    border: 1px solid var(--cyan-border);
    border-radius: 50%;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out),
                background 0.2s, border-color 0.2s;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    z-index: 200;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--cyan-dim);
    border-color: rgba(61, 207, 220, 0.55);
}

/* ── Breadcrumb (sub-pages) ── */

.breadcrumb {
    padding: clamp(12px, 2vw, 18px) 0 0;
}

.breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: clamp(0.55rem, 1.1vw, 0.6rem);
    font-weight: 600;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--w25);
    text-decoration: none;
    transition: color 0.15s;
}

.breadcrumb-link:hover {
    color: var(--cyan);
}

/* ── Rankings / Leaderboards section ── */

.board-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.board-card {
    padding: clamp(20px, 3vw, 28px) clamp(18px, 2.5vw, 24px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-top: 3px solid transparent;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: background 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.board-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 40%);
    pointer-events: none;
}

.board-card--pure        { border-top-color: var(--archive); }
.board-card--endurance   { border-top-color: var(--interpreter); }
.board-card--wave        { border-top-color: var(--remnant); }

.board-card--pure:hover      { background: var(--archive-dim); }
.board-card--endurance:hover { background: var(--interpreter-dim); }
.board-card--wave:hover      { background: var(--remnant-dim); }

.board-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.board-id {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 700;
    line-height: 1;
    color: var(--w10);
    flex-shrink: 0;
    user-select: none;
}

.board-name {
    font-size: clamp(0.75rem, 1.6vw, 0.875rem);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.board-card--pure      .board-name { color: var(--archive); }
.board-card--endurance .board-name { color: var(--interpreter); }
.board-card--wave      .board-name { color: var(--remnant); }

.board-scope {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--w25);
    margin-top: 4px;
}

.board-doctrine {
    font-size: clamp(0.7rem, 1.4vw, 0.75rem);
    font-style: italic;
    line-height: 1.60;
    color: var(--w45);
    padding-left: 10px;
    border-left: 2px solid var(--glass-border);
    position: relative;
}

.board-card--pure      .board-doctrine { border-left-color: rgba(77,208,225,0.30); }
.board-card--endurance .board-doctrine { border-left-color: rgba(206,147,216,0.30); }
.board-card--wave      .board-doctrine { border-left-color: rgba(255,213,79,0.30); }

.board-desc {
    font-size: clamp(0.7rem, 1.4vw, 0.75rem);
    line-height: 1.78;
    color: var(--w45);
    position: relative;
}

.board-meta {
    list-style: none;
    padding: 0;
    margin: 4px 0 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
    border-top: 1px solid var(--glass-border);
    padding-top: 12px;
    margin-top: auto;
}

.board-meta li {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.14em;
    color: var(--w25);
    display: flex;
    align-items: center;
    gap: 7px;
    position: relative;
}

.board-meta li::before {
    content: "—";
    color: var(--w10);
    flex-shrink: 0;
}

/* ── Achievements teaser ── */

.achievements-teaser {
    margin-top: 28px;
    padding: clamp(20px, 3.5vw, 28px) clamp(18px, 3vw, 26px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.achievements-teaser::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(140,61,204,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.achievements-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 12px;
    position: relative;
}

.achievements-label {
    font-size: clamp(0.55rem, 1.1vw, 0.625rem);
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--interpreter);
}

.achievements-count {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--w70);
}

.achievements-desc {
    font-size: clamp(0.7rem, 1.5vw, 0.75rem);
    line-height: 1.78;
    color: var(--w45);
    margin-bottom: 20px;
    max-width: var(--content-narrow);
    position: relative;
}

.achievements-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    position: relative;
}

.ach-tag {
    padding: 4px 10px;
    font-size: clamp(0.5rem, 0.9vw, 0.5625rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    background: var(--interpreter-dim);
    border: 1px solid rgba(206,147,216,0.20);
    border-radius: 3px;
    color: var(--interpreter);
    white-space: nowrap;
}

.ach-tag--hidden {
    background: var(--w03);
    border-color: var(--glass-border);
    color: var(--w25);
    letter-spacing: 0.24em;
}

/* ── Media section ── */

.media-device-tabs {
    display: flex;
    gap: 8px;
    margin-top: 36px;
}

.media-tab {
    padding: 8px 22px;
    font-family: var(--mono);
    font-size: clamp(0.55rem, 1.1vw, 0.625rem);
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--w45);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.media-tab:hover {
    background: var(--w06);
    color: var(--w70);
}

.media-tab.active {
    background: var(--cyan-dim);
    border-color: var(--cyan-border);
    color: var(--cyan);
}

.media-panel {
    margin-top: 32px;
}

.media-panel--hidden {
    display: none;
}

/* ── Video preview with device frame ── */

.media-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-bottom: 40px;
}

.media-phone-frame {
    position: relative;
    width: min(280px, 64vw);
    aspect-ratio: 9 / 19.5;
    background: #060810;
    border-radius: 36px;
    border: 2px solid rgba(61, 207, 220, 0.30);
    box-shadow:
        0 0 0 6px rgba(5, 6, 14, 0.85),
        0 0 0 7px rgba(61, 207, 220, 0.10),
        0 0 48px rgba(61, 207, 220, 0.14),
        0 24px 64px rgba(0, 0, 0, 0.70);
    overflow: hidden;
}

/* Notch indicator */
.media-phone-frame::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 5px;
    background: rgba(61, 207, 220, 0.15);
    border-radius: 3px;
    z-index: 1;
}

.media-ipad-frame {
    position: relative;
    width: min(520px, 88vw);
    aspect-ratio: 3 / 4;
    background: #060810;
    border-radius: 20px;
    border: 2px solid rgba(61, 207, 220, 0.25);
    box-shadow:
        0 0 0 5px rgba(5, 6, 14, 0.85),
        0 0 0 6px rgba(61, 207, 220, 0.08),
        0 0 48px rgba(61, 207, 220, 0.10),
        0 24px 64px rgba(0, 0, 0, 0.70);
    overflow: hidden;
}

/* iPad home indicator */
.media-ipad-frame::before {
    content: "";
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 28%;
    height: 4px;
    background: rgba(61, 207, 220, 0.15);
    border-radius: 2px;
    z-index: 1;
}

.media-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: var(--space-deep);
}

.media-caption {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.22em;
    color: var(--w25);
    text-align: center;
}

/* ── Screenshot grid ── */

.media-screenshot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(8px, 1.5vw, 16px);
}

.media-shot {
    display: flex;
    flex-direction: column;
    gap: 8px;
    cursor: pointer;
}

.media-shot img {
    width: 100%;
    aspect-ratio: 9 / 19.5;
    object-fit: cover;
    display: block;
    background: var(--glass-bg);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}

#media-panel-ipad .media-shot img {
    aspect-ratio: 3 / 4;
}

.media-shot:hover img {
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 8px 32px rgba(61, 207, 220, 0.18);
    border-color: var(--cyan-border);
}

.media-shot figcaption {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--w25);
    text-align: center;
}

/* ── Lightbox ── */

.media-lightbox {
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(5, 6, 14, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s var(--ease-out);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.media-lightbox.open {
    opacity: 1;
    pointer-events: auto;
}

.media-lightbox img {
    max-width: min(360px, 84vw);
    max-height: 88svh;
    object-fit: contain;
    border-radius: 18px;
    border: 1px solid var(--cyan-border);
    box-shadow: 0 0 60px rgba(61, 207, 220, 0.18);
}

.media-lightbox-close {
    position: absolute;
    top: clamp(16px, 3vw, 24px);
    right: clamp(16px, 3vw, 24px);
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--w70);
    font-family: var(--mono);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.media-lightbox-close:hover {
    background: var(--cyan-dim);
    border-color: var(--cyan-border);
    color: var(--cyan);
}

/* ── Responsive ── */

/*
 * Breakpoint tiers:
 *   ≤ 1024px  Small laptop / tablet landscape — hamburger nav, cycle-steps 2×2
 *   ≤  768px  Tablet portrait — padding reductions, lattice/cycle stack
 *   ≤  600px  Large phone landscape / small phone portrait — single-column grids
 *   ≤  400px  Small phone — tighten padding and font sizes
 */

/* ── Tier 1 — ≤ 1024px: hamburger nav ─────────────────────────────────────── */
@media (max-width: 1024px) {

    /* Header collapses: logo | toggle, nav drops below on open */
    .site-header {
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
        padding: 14px var(--gutter);
    }

    .logo {
        flex: 1;
    }

    .nav-toggle {
        display: flex;
    }

    nav {
        flex-basis: 100%;
        order: 1;
    }

    .nav {
        display: none;
        flex-direction: column;
        gap: 0;
        width: 100%;
        background: rgba(5, 6, 14, 0.97);
        border: 1px solid var(--glass-border);
        border-radius: 6px;
        padding: 6px 0;
        backdrop-filter: blur(var(--glass-blur));
        -webkit-backdrop-filter: blur(var(--glass-blur));
    }

    .nav.nav--open {
        display: flex;
    }

    .nav li {
        width: 100%;
    }

    .nav a {
        display: block;
        padding: 11px 18px;
        font-size: 0.6875rem;
        letter-spacing: 0.14em;
        white-space: nowrap;
    }

    .nav a::after {
        display: none;
    }

    /* Cycle steps: 2×2 grid, arrows hidden */
    .cycle-steps {
        grid-template-columns: 1fr 1fr;
    }

    .cycle-step-arrow {
        display: none;
    }
}

/* ── Tier 2 — ≤ 768px: tablet portrait ────────────────────────────────────── */
@media (max-width: 768px) {

    .site-header {
        padding: 14px 20px;
    }

    main {
        padding: 0 20px;
    }

    /* Lattice diagram: vertical stack */
    .lattice-diagram {
        grid-template-columns: 1fr;
    }

    .lattice-arrow {
        padding: 4px 18px;
        justify-content: flex-start;
        font-size: 0.9rem;
        transform: rotate(90deg);
        transform-origin: 24px center;
    }

    /* Glyph grid: 2 columns instead of 3 */
    .glyph-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Feature grid: 2 columns */
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Media screenshot grid: 2 columns */
    .media-screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Board grid: 1 column on tablet */
    .board-grid {
        grid-template-columns: 1fr;
    }

    /* Spec key column width */
    .spec-key {
        flex: 0 0 100px;
    }
}

/* ── Tier 3 — ≤ 600px: phone ───────────────────────────────────────────────── */
@media (max-width: 600px) {

    .site-header {
        padding: 12px 16px;
    }

    main {
        padding: 0 16px;
    }

    /* CTAs: full-width stacked */
    .cta-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    /* Grids: single column */
    .glyph-grid,
    .feature-grid,
    .faction-strip {
        grid-template-columns: 1fr;
    }

    /* Media screenshot grid: 2 columns on phone (portrait shots fit better) */
    .media-screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    /* Cycle steps: single column */
    .cycle-steps {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .site-footer {
        padding: 24px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .footer-links {
        gap: 14px;
    }

    /* Transmission header: stacked */
    .transmission-header {
        flex-direction: column;
        gap: 3px;
    }

    /* Encounter header: tighter gap */
    .encounter-header {
        gap: 10px;
    }

    /* Spec key narrower */
    .spec-key {
        flex: 0 0 76px;
    }

    /* Filter tabs: tighter */
    .filter-tabs {
        gap: 3px;
    }
}

/* ── Tier 4 — ≤ 400px: small phone ─────────────────────────────────────────── */
@media (max-width: 400px) {

    .hero-signal {
        letter-spacing: 0.14em;
    }

    .section-heading {
        font-size: clamp(0.9rem, 5vw, 1.1rem);
    }

    .spec-key {
        flex: 0 0 68px;
    }
}

/* ── Orientation: landscape phone — hero must not enforce full height ─────── */
@media (orientation: landscape) and (max-height: 520px) {

    .hero {
        min-height: auto;
        justify-content: flex-start;
        padding-block: clamp(24px, 4svh, 40px);
    }

    /* Tighten hero copy in landscape so it all fits without scrolling */
    .hero-title {
        font-size: clamp(1.4rem, 4.5vh, 2.2rem);
    }

    .hero-body {
        display: none; /* body text sacrificed so CTA stays visible */
    }

    /* Compact sections */
    .section {
        padding-block: clamp(32px, 5svh, 56px);
    }
}

/* ── Orientation: portrait tablet — section padding breathing room ───────── */
@media (orientation: portrait) and (min-width: 600px) {

    .hero {
        padding-block: clamp(48px, 7svh, 80px);
    }
}

/* ── Large screens — ≥ 1025px ──────────────────────────────────────────────── */
@media (min-width: 1025px) {

    /* Ensure nav is always visible above hamburger threshold */
    .nav {
        display: flex !important;
        flex-direction: row;
    }

    .nav-toggle {
        display: none !important;
    }

    nav {
        flex-basis: auto;
        order: 0;
    }

    .nav li {
        width: auto;
    }

    .nav a {
        display: inline;
        padding: 0;
        font-size: clamp(0.575rem, 1.2vw, 0.6875rem);
        letter-spacing: 0.18em;
    }

    .nav a::after {
        display: block;
    }
}

/* ── Wide screens — ≥ 1200px ────────────────────────────────────────────────── */
@media (min-width: 1200px) {

    main {
        padding: 0 clamp(48px, 6vw, 96px);
    }

    .faction-strip {
        grid-template-columns: repeat(4, 1fr);
    }

    .glyph-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Cycle steps: 4 columns with arrows restored */
    .cycle-steps {
        grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    }

    .cycle-step-arrow {
        display: flex;
    }
}

/* Ultra wide — 1440px+ */
@media (min-width: 1440px) {
    body {
        max-width: 1600px;
        margin: 0 auto;
        box-shadow: 0 0 120px rgba(0,0,0,0.8);
    }
}


/* ── Nav active state (scrollspy) ── */

.nav a.nav-active {
    color: var(--w70);
}

.nav a.nav-active::after {
    transform: scaleX(1);
}

/* ── Mobile nav toggle ── */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 8px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.nav-toggle span {
    display: block;
    height: 1px;
    background: var(--w45);
    border-radius: 1px;
    transition: transform 0.22s var(--ease), opacity 0.22s, background 0.15s;
}

.nav-toggle:hover {
    border-color: var(--w25);
}

.nav-toggle:hover span {
    background: var(--w70);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ── Faction filter tabs ── */

.filter-tabs {
    display: flex;
    gap: 4px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 7px 14px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--w25);
    font-family: var(--mono);
    font-size: clamp(0.5rem, 1.1vw, 0.5625rem);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.filter-tab:hover {
    color: var(--w70);
    border-color: var(--w25);
    background: var(--w03);
}

.filter-tab.active {
    background: var(--cyan-dim);
    border-color: var(--cyan-border);
    color: var(--cyan);
}

.filter-tab[data-filter="archive"].active {
    background: var(--archive-dim);
    border-color: rgba(77,208,225,0.28);
    color: var(--archive);
}

.filter-tab[data-filter="severed"].active {
    background: var(--severed-dim);
    border-color: rgba(255,87,34,0.28);
    color: var(--severed);
}

.filter-tab[data-filter="interpreter"].active {
    background: var(--interpreter-dim);
    border-color: rgba(206,147,216,0.28);
    color: var(--interpreter);
}

.filter-tab[data-filter="riftborn"].active {
    background: var(--riftborn-dim);
    border-color: rgba(124,77,255,0.28);
    color: var(--riftborn);
}

.glyph-cell[aria-hidden="true"] {
    display: none;
}

/* ── Cycle steps ── */

.cycle-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 0;
    margin-top: 36px;
    border-radius: 8px;
    overflow: hidden;
}

.cycle-step {
    padding: clamp(18px, 3vw, 24px) clamp(14px, 2vw, 18px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.2s;
    position: relative;
    overflow: hidden;
    min-width: 0;
}

.cycle-step::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-border), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.cycle-step:hover {
    background: var(--cyan-dim);
}

.cycle-step:hover::before {
    opacity: 1;
}

.cycle-step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 clamp(6px, 1.2vw, 12px);
    font-size: 0.9rem;
    color: var(--w25);
    background: none;
    flex-shrink: 0;
}

.cycle-num {
    font-size: clamp(1.1rem, 2.5vw, 1.6rem);
    font-weight: 700;
    color: var(--w06);
    line-height: 1;
    letter-spacing: 0.06em;
}

.cycle-title {
    font-size: clamp(0.65rem, 1.4vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cyan);
}

.cycle-desc {
    font-size: clamp(0.65rem, 1.4vw, 0.7rem);
    line-height: 1.72;
    color: var(--w25);
}

/* ── Accessibility ── */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-color-scheme: light) {
    /* GOTU is dark-only — maintain dark theme regardless */
    :root { color-scheme: dark; }
}

/* ── Community section ── */

.community-intro {
    max-width: 640px;
    margin: 0 auto clamp(32px, 5vw, 48px);
    text-align: center;
}

.community-intro p {
    font-size: clamp(0.65rem, 1.4vw, 0.75rem);
    line-height: 1.75;
    color: var(--w45);
}

.community-hashtags {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 14px;
}

.community-tag {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    background: var(--cyan-dim);
    border: 1px solid var(--cyan-border);
    border-radius: 4px;
    padding: 4px 10px;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(10px, 2vw, 16px);
    margin-top: 36px;
}

.social-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: clamp(18px, 2.5vw, 24px) clamp(16px, 2vw, 20px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.social-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, transparent 50%);
    pointer-events: none;
}

.social-card:hover {
    background: var(--cyan-dim);
    border-color: var(--cyan-border);
    transform: translateY(-2px);
}

.social-card-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
    color: var(--cyan);
    flex-shrink: 0;
}

.social-card-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-card-platform {
    font-size: clamp(0.4375rem, 0.9vw, 0.5rem);
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--w25);
}

.social-card-handle {
    font-size: clamp(0.65rem, 1.3vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--w70);
    margin-top: 2px;
}

.social-card:hover .social-card-handle {
    color: var(--cyan);
}

.social-card-desc {
    font-size: clamp(0.5rem, 1vw, 0.5625rem);
    line-height: 1.6;
    color: var(--w25);
    margin-top: 4px;
}

.community-cta {
    text-align: center;
    margin-top: clamp(28px, 4vw, 40px);
    padding-top: clamp(20px, 3vw, 28px);
    border-top: 1px solid var(--glass-border);
}

.community-cta p {
    font-size: clamp(0.55rem, 1.1vw, 0.625rem);
    color: var(--w25);
    letter-spacing: 0.14em;
}

.community-cta strong {
    color: var(--cyan);
    font-weight: 700;
}

@media (max-width: 768px) {
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .social-grid {
        grid-template-columns: 1fr;
    }
}