/* turingtest.club -- maximalist, layered-depth, warm */
:root {
    --bg-warm: #2a1a0a;
    --bg-warm-2: #1a2a1a;
    --surface: #3a2a18;
    --accent-amber: #e8a830;
    --accent-copper: #c07a40;
    --text-cream: #f0e8d8;
    --text-muted: #8a7a60;
    --city-accent: #d4a060;
    --bubble-blue: #88c8e8;
    --layer-bg: 1;
    --layer-mid: 10;
    --layer-fg: 20;
    --layer-top: 30;
    --layer-overlay: 40;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-cream);
    background: var(--bg-warm);
    overflow-x: hidden;
    position: relative;
}

.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: var(--layer-overlay);
    background-image:
        radial-gradient(circle at 20% 30%, rgba(232,168,48,0.04) 0, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(192,122,64,0.04) 0, transparent 40%);
    mix-blend-mode: screen;
}

/* === ENTRANCE LAYER === */
.entrance {
    position: relative;
    height: 100vh;
    min-height: 720px;
    overflow: hidden;
    isolation: isolate;
}

.entrance-bg {
    position: absolute;
    inset: 0;
    z-index: var(--layer-bg);
    background:
        radial-gradient(ellipse at 30% 40%, var(--bg-warm) 0%, var(--bg-warm-2) 80%);
    background-size: 200% 200%;
    animation: warmShift 18s ease-in-out infinite alternate;
}

@keyframes warmShift {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

.entrance-mid {
    position: absolute;
    inset: 0;
    z-index: var(--layer-mid);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.entrance-title {
    font-family: 'Caveat', cursive;
    font-weight: 700;
    font-size: clamp(72px, 14vw, 220px);
    line-height: 0.9;
    color: var(--accent-amber);
    transform: rotate(-2deg);
    text-shadow: 0 0 40px rgba(232,168,48,0.25), 0 8px 0 rgba(0,0,0,0.4);
    letter-spacing: -0.02em;
    opacity: 0.9;
    text-align: center;
    padding: 0 16px;
}

.entrance-fg {
    position: absolute;
    inset: 0;
    z-index: var(--layer-fg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.entrance-panel {
    position: relative;
    background: rgba(58, 42, 24, 0.65);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border: 1px solid rgba(232,168,48,0.35);
    border-radius: 6px;
    padding: 32px;
    max-width: 540px;
    width: 100%;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(240,232,216,0.1);
}

.entrance-tag {
    font-family: 'Patrick Hand', cursive;
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.entrance-question {
    font-family: 'Caveat', cursive;
    font-weight: 700;
    font-size: clamp(36px, 6vw, 72px);
    color: var(--text-cream);
    margin-bottom: 16px;
    line-height: 1;
}

.entrance-sub {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 15px;
}

.entrance-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-answer {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 16px;
    background: transparent;
    color: var(--accent-amber);
    border: 1px solid var(--accent-amber);
    padding: 14px 28px;
    cursor: pointer;
    transition: background 220ms, color 220ms, transform 220ms;
    border-radius: 2px;
    letter-spacing: 0.02em;
}

.btn-answer:hover {
    background: var(--accent-amber);
    color: var(--bg-warm);
    transform: translateY(-2px);
}

.btn-answer.was-clicked {
    background: var(--accent-copper);
    color: var(--text-cream);
    border-color: var(--accent-copper);
}

.entrance-feedback {
    margin-top: 18px;
    font-family: 'Patrick Hand', cursive;
    font-size: 16px;
    color: var(--bubble-blue);
    min-height: 22px;
    opacity: 0;
    transition: opacity 320ms;
}

.entrance-feedback.show { opacity: 1; }

/* === BUBBLES === */
.bubble {
    position: absolute;
    font-family: 'Patrick Hand', cursive;
    font-size: 14px;
    color: var(--text-cream);
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3), transparent 70%),
                rgba(136, 200, 232, 0.12);
    border: 1.5px solid rgba(136, 200, 232, 0.4);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
    padding: 8px;
    z-index: var(--layer-top);
    animation: bubbleFloat 15s ease-in-out infinite;
    pointer-events: none;
    backdrop-filter: blur(4px);
}

.bubble span { display: block; font-size: 12px; color: var(--bubble-blue); }

@keyframes bubbleFloat {
    0%   { transform: translateY(0)   scale(1);    opacity: 0.7; }
    50%  { transform: translateY(-30px) scale(1.05); opacity: 1.0; }
    100% { transform: translateY(0)   scale(1);    opacity: 0.7; }
}

.bubble-1 { top: 12%; left: 8%; width: 90px; height: 90px; animation-delay: 0s; }
.bubble-2 { top: 60%; left: 4%; width: 70px; height: 70px; animation-delay: 4s; font-size: 12px; }
.bubble-3 { top: 18%; right: 10%; width: 80px; height: 80px; animation-delay: 8s; }

/* === CHAMBER SECTIONS === */
.chamber {
    position: relative;
    min-height: 90vh;
    padding: 80px 24px;
    margin-top: -28px; /* overlap layering */
    isolation: isolate;
    background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg-warm-2) 100%);
}

.chamber:nth-child(odd) {
    background: linear-gradient(180deg, var(--bg-warm-2) 0%, var(--bg-warm) 100%);
}

.chamber-bg-illustration {
    position: absolute;
    inset: 0;
    z-index: var(--layer-bg);
    opacity: 0.1;
    background-image:
        repeating-linear-gradient(45deg, var(--accent-copper) 0 1px, transparent 1px 24px),
        repeating-linear-gradient(-45deg, var(--accent-amber) 0 1px, transparent 1px 24px);
    mix-blend-mode: overlay;
    pointer-events: none;
}

.chamber-inner {
    position: relative;
    z-index: var(--layer-fg);
    max-width: 880px;
    margin: 0 auto;
    background: rgba(58, 42, 24, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(232,168,48,0.2);
    padding: 32px;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.4);
    border-radius: 4px;
}

.chamber-meta {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 16px;
    border-bottom: 1px dashed rgba(232,168,48,0.3);
    padding-bottom: 12px;
}

.chamber-num {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 36px;
    color: var(--accent-amber);
    line-height: 1;
}

.chamber-label {
    font-family: 'Patrick Hand', cursive;
    font-size: 15px;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.chamber-question {
    font-family: 'Caveat', cursive;
    font-weight: 700;
    font-size: clamp(32px, 5vw, 60px);
    line-height: 1.05;
    color: var(--text-cream);
    margin-bottom: 24px;
    transform: rotate(-1deg);
}

.chamber-body p, .chamber-body blockquote {
    margin-bottom: 18px;
    color: var(--text-cream);
}

.chamber-body p { font-weight: 400; font-size: 16px; }
.chamber-body p:last-child { font-weight: 600; color: var(--accent-amber); }

.stanza {
    border-left: 3px solid var(--accent-copper);
    padding: 12px 18px;
    background: rgba(42, 26, 10, 0.4);
}
.stanza.human-stanza {
    font-family: 'Caveat', cursive;
    font-size: 26px;
    line-height: 1.2;
    border-left-color: var(--accent-amber);
}
.stanza.machine-stanza {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    border-left-color: var(--bubble-blue);
}

/* Progressive disclosure */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Margin bubbles inside chambers */
.bubble-margin {
    width: 90px;
    height: 90px;
    font-size: 13px;
    z-index: var(--layer-top);
}

.bubble-c1-1 { top: 80px; right: -20px; }
.bubble-c1-2 { bottom: 200px; left: -30px; animation-delay: 5s; width: 70px; height: 70px; }
.bubble-c1-3 { bottom: 60px; right: 4%; animation-delay: 10s; }

.bubble-c2-1 { top: 120px; left: -28px; animation-delay: 2s; }
.bubble-c2-2 { bottom: 80px; right: -22px; animation-delay: 7s; width: 70px; height: 70px; }

.bubble-c3-1 { top: 100px; right: -16px; animation-delay: 3s; width: 70px; height: 70px; }
.bubble-c3-2 { bottom: 120px; left: -26px; animation-delay: 9s; }

/* Silence meter */
.silence-meter {
    margin-top: 24px;
    border: 1px solid rgba(232,168,48,0.4);
    background: rgba(42,26,10,0.5);
    padding: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: 'Patrick Hand', cursive;
    font-size: 16px;
    color: var(--text-cream);
    transition: background 220ms;
}
.silence-meter:hover { background: rgba(42,26,10,0.75); }
.silence-time {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 22px;
    color: var(--accent-amber);
    font-variant-numeric: tabular-nums;
}
.silence-meter.is-running .silence-label::after {
    content: ' (counting...)';
    color: var(--bubble-blue);
}

/* === MEMBERS WALL === */
.members {
    position: relative;
    padding: 80px 24px;
    margin-top: -28px;
    background: var(--bg-warm);
    z-index: var(--layer-mid);
}

.members-header {
    max-width: 880px;
    margin: 0 auto 32px;
}

.members-title {
    font-family: 'Caveat', cursive;
    font-weight: 700;
    font-size: clamp(32px, 5vw, 56px);
    color: var(--accent-amber);
}

.members-sub {
    font-family: 'Patrick Hand', cursive;
    font-size: 16px;
    color: var(--text-muted);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
    gap: 4px;
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px;
    background: rgba(58, 42, 24, 0.4);
    border: 1px solid rgba(232,168,48,0.2);
}

.member-tile {
    aspect-ratio: 1;
    width: 100%;
    border: none;
    cursor: pointer;
    transition: transform 240ms ease, box-shadow 240ms ease, z-index 0s;
    position: relative;
    font-family: 'Patrick Hand', cursive;
    font-size: 0;
    color: var(--text-cream);
    overflow: visible;
    padding: 0;
    background-color: var(--accent-copper);
}

.member-tile:hover, .member-tile.is-active {
    transform: scale(7);
    z-index: var(--layer-top);
    font-size: 5px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    padding: 2px;
    line-height: 1.05;
    overflow: hidden;
    background-color: var(--accent-amber);
    color: var(--bg-warm);
}

/* === CITY FOOTER === */
.city-footer {
    position: relative;
    padding: 80px 24px 0;
    background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg-warm-2) 100%);
    overflow: hidden;
}

.city-text {
    max-width: 880px;
    margin: 0 auto 40px;
    text-align: center;
}

.city-tagline {
    font-family: 'Caveat', cursive;
    font-size: clamp(28px, 4vw, 44px);
    color: var(--accent-amber);
    margin-bottom: 8px;
}

.city-fineprint {
    font-family: 'Patrick Hand', cursive;
    color: var(--text-muted);
}

.skyline {
    position: relative;
    height: 200px;
    width: 100%;
}

.skyline-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.skyline-back  { opacity: 0.1; }
.skyline-mid   { opacity: 0.2; }
.skyline-front { opacity: 0.3; }

@media (max-width: 720px) {
    .bubble { display: none; }
    .members-grid { grid-template-columns: repeat(auto-fill, minmax(24px, 1fr)); }
    .member-tile:hover, .member-tile.is-active { transform: scale(5); }
    .chamber-inner { padding: 24px 18px; }
    .entrance-panel { padding: 24px; }
}