/* ===================================
   gabs.cafe - Pixel-Art Zen Reading Room
   Burgundy-Cream Palette | Glassmorphic Cards
   =================================== */

/* --- CSS Custom Properties --- */
:root {
    --primary-dark: #3d0f1e;
    --primary-mid: #6b2a3d;
    --primary-light: #8a4a5e;
    --cream-base: #f2e6d9;
    --cream-warm: #e8d5c4;
    --accent-gold: #c4a265;
    --accent-cool: #5e4a5c;
    --frost: rgba(242, 230, 217, 0.15);
    --deep-night: #2a0a14;
    --body-dark: #3d1a24;
    --bg-primary: #3d0f1e;
    --text-primary: #f2e6d9;
    --text-dark: #3d1a24;
    --text-muted: #8a5a6a;
}

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

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

body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 300;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

/* --- Ink Blot Load Animation --- */
.ink-blot {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--primary-dark);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    z-index: 10000;
    pointer-events: none;
    animation: inkSpread 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes inkSpread {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
    60% { transform: translate(-50%, -50%) scale(300); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(400); opacity: 0; }
}

/* --- Codex Container --- */
.codex-container {
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-snap-type: y proximity;
    perspective: 1px;
    transform-style: preserve-3d;
}

/* --- Folios (Sections) --- */
.folio {
    position: relative;
    min-height: 100vh;
    scroll-snap-align: start;
    overflow: hidden;
    transform-style: preserve-3d;
}

.folio-i { background: linear-gradient(to bottom, #3d0f1e, #2a0a14); }
.folio-ii { min-height: 120vh; background: #4a0e1e; }
.folio-iii { background: #2a0a14; }
.folio-iv { min-height: 140vh; background: linear-gradient(to bottom, #3d1a28, #3d0f1e); }
.folio-v { min-height: 80vh; background: linear-gradient(to bottom, #3d1a28, #f2e6d9); }

/* --- Folio Numbers --- */
.folio-number {
    position: absolute;
    top: 20px;
    right: 30px;
    font-family: 'Silkscreen', monospace;
    font-size: 0.7rem;
    color: var(--accent-gold);
    opacity: 0.6;
    z-index: 10;
    letter-spacing: 0.1em;
}

/* --- Parallax Layers --- */
.parallax-deep {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.parallax-mid {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.parallax-fore {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: inherit;
    padding: 60px 20px;
}

/* --- Glassmorphic Cards --- */
.glass-card {
    background: rgba(242, 230, 217, 0.12);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border: 1px solid rgba(242, 230, 217, 0.18);
    border-radius: 2px;
    box-shadow:
        0 8px 32px rgba(61, 15, 30, 0.25),
        inset 0 1px 0 rgba(242, 230, 217, 0.1);
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@media (hover: hover) {
    .glass-card:hover {
        border-color: rgba(196, 162, 101, 0.4);
        backdrop-filter: blur(24px) saturate(1.3);
        -webkit-backdrop-filter: blur(24px) saturate(1.3);
        box-shadow:
            0 12px 40px rgba(61, 15, 30, 0.35),
            inset 0 0 30px rgba(242, 230, 217, 0.08),
            inset 0 1px 0 rgba(242, 230, 217, 0.15);
        transform: translateY(-4px);
    }
}

/* --- Typography --- */
.kinetic-headline {
    font-family: 'Silkscreen', monospace;
    font-weight: 400;
    font-size: clamp(2.4rem, 5.5vw, 4.8rem);
    letter-spacing: 0.08em;
    color: var(--cream-base);
    line-height: 1.2;
    margin-bottom: 20px;
}

.kinetic-headline.assembled .char {
    display: inline-block;
    opacity: 0;
    transform: translate(var(--tx), var(--ty)) scale(0.5);
    animation: charAssemble 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes charAssemble {
    to { opacity: 1; transform: translate(0, 0) scale(1); }
}

h2.kinetic-headline {
    font-size: clamp(1.4rem, 3vw, 2.4rem);
}

p, .reading-body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 300;
    font-size: clamp(1.05rem, 1.3vw, 1.25rem);
    line-height: 1.85;
    letter-spacing: 0.015em;
    color: var(--cream-base);
}

.annotation {
    display: block;
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-style: italic;
    font-weight: 300;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-top: 12px;
}

/* --- Folio I: The Threshold --- */
.threshold-card {
    max-width: 700px;
    text-align: center;
    padding: 60px 50px;
}

.threshold-subtitle {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-style: italic;
    font-weight: 300;
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Cityscape Pixel Art - Dusk */
.cityscape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    opacity: 0.4;
}

#cityscape-dusk {
    background:
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 20px,
            var(--accent-cool) 20px, var(--accent-cool) 28px,
            transparent 28px, transparent 36px,
            var(--accent-cool) 36px, var(--accent-cool) 40px,
            transparent 40px, transparent 80px
        );
    background-size: 80px 100%;
    background-position: bottom;
    mask-image: linear-gradient(to top,
        black 0%, black 30%,
        transparent 60%
    );
    -webkit-mask-image: linear-gradient(to top,
        black 0%, black 30%,
        transparent 60%
    );
}

#cityscape-dusk::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(to top,
            var(--accent-cool) 0px, var(--accent-cool) 40px,
            transparent 40px, transparent 60px,
            var(--accent-cool) 60px, var(--accent-cool) 80px,
            transparent 80px, transparent 100px,
            var(--accent-cool) 100px, var(--accent-cool) 120px,
            transparent 120px
        );
    opacity: 0.3;
}

/* Pixel Smoke Animation */
.pixel-smoke {
    position: absolute;
    top: 50%;
    left: 30%;
    width: 4px;
    height: 4px;
    background: var(--cream-warm);
    opacity: 0.3;
    box-shadow:
        0 0 0 var(--cream-warm),
        4px -8px 0 var(--cream-warm),
        -4px -16px 0 var(--cream-warm),
        0 -24px 0 var(--cream-warm);
    animation: smokeRise 3s ease-in-out infinite;
}

@keyframes smokeRise {
    0% { transform: translateY(0); opacity: 0.3; }
    50% { transform: translateY(-20px); opacity: 0.15; }
    100% { transform: translateY(-40px); opacity: 0; }
}

/* Pixel Coffee Steam */
.pixel-coffee-steam {
    position: absolute;
    bottom: 15%;
    right: 20%;
    width: 4px;
    height: 4px;
    background: rgba(242, 230, 217, 0.4);
    box-shadow:
        0 -4px 0 rgba(242, 230, 217, 0.3),
        4px -8px 0 rgba(242, 230, 217, 0.2),
        -4px -12px 0 rgba(242, 230, 217, 0.15),
        0 -16px 0 rgba(242, 230, 217, 0.1);
    animation: steamWisp 2s ease-in-out infinite;
}

@keyframes steamWisp {
    0%, 100% { transform: translateX(0) translateY(0); }
    33% { transform: translateX(4px) translateY(-4px); }
    66% { transform: translateX(-4px) translateY(-2px); }
}

/* --- Folio II: The Library --- */
.library-constellation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    width: 90%;
    padding: 60px 0;
}

.library-card {
    padding: 30px;
}

.library-card-1 {
    transform: rotate(-1deg);
    grid-row: span 1;
}

.library-card-2 {
    margin-top: 40px;
    transform: rotate(0.5deg);
}

.library-card-3 {
    transform: rotate(0.8deg);
    margin-top: -20px;
}

.library-card-4 {
    transform: rotate(-0.3deg);
    margin-top: 20px;
}

/* Pixel Bookshelves Background */
.pixel-bookshelves {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    background:
        repeating-linear-gradient(
            0deg,
            transparent 0px, transparent 80px,
            var(--accent-cool) 80px, var(--accent-cool) 84px,
            transparent 84px, transparent 160px
        ),
        repeating-linear-gradient(
            90deg,
            var(--primary-mid) 0px, var(--primary-mid) 8px,
            var(--primary-light) 8px, var(--primary-light) 14px,
            var(--primary-mid) 14px, var(--primary-mid) 16px,
            var(--accent-cool) 16px, var(--accent-cool) 24px,
            var(--primary-mid) 24px, var(--primary-mid) 30px,
            var(--cream-warm) 30px, var(--cream-warm) 32px,
            var(--primary-mid) 32px, var(--primary-mid) 40px
        );
}

/* Enso Float */
.enso-float {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 60px;
    height: 60px;
    border: 3px solid var(--accent-gold);
    border-radius: 50%;
    opacity: 0.2;
    border-right-color: transparent;
    animation: ensoSpin 20s linear infinite;
}

@keyframes ensoSpin {
    to { transform: rotate(360deg); }
}

/* --- Folio III: The Reading Room --- */
.reading-room-panel {
    max-width: 70vw;
    width: 100%;
    padding: 60px 80px;
}

.reading-room-content {
    max-width: 600px;
    margin: 0 auto;
}

.margin-rule {
    width: 60px;
    height: 1px;
    background: var(--accent-gold);
    margin: 30px 0;
}

.pull-quote {
    border-left: 3px solid var(--accent-gold);
    padding-left: 24px;
    margin: 40px 0;
}

.pull-quote p {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-style: italic;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--cream-base);
}

.reading-body {
    margin-bottom: 24px;
}

.footnote-marker {
    color: var(--accent-gold);
    cursor: pointer;
    font-size: 0.75rem;
    position: relative;
    transition: color 0.3s;
}

.footnote-marker:hover {
    color: var(--cream-base);
}

.footnote-tooltip {
    display: none;
    background: rgba(61, 15, 30, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(196, 162, 101, 0.3);
    border-radius: 2px;
    padding: 16px 20px;
    margin-top: 12px;
    max-width: 400px;
}

.footnote-tooltip.visible {
    display: block;
}

.footnote-tooltip p {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

.folio-iii-bg {
    background: radial-gradient(ellipse at center, rgba(196, 162, 101, 0.05) 0%, transparent 70%);
}

/* --- Folio IV: The Garden --- */
.garden-elements {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding: 80px 20px;
    min-height: inherit;
    justify-content: center;
}

.garden-card {
    max-width: 450px;
    padding: 30px 35px;
    text-align: center;
}

.garden-card-1 { align-self: flex-start; margin-left: 10%; }
.garden-card-2 { align-self: flex-end; margin-right: 10%; }
.garden-card-3 { align-self: flex-start; margin-left: 15%; }

.garden-quote {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-style: italic;
    font-weight: 300;
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--cream-base);
}

/* Bobbing Animation */
.bobbing {
    animation: gentleBob 6s ease-in-out infinite;
}

@keyframes gentleBob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Zen Sand Pattern */
.zen-sand-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background:
        repeating-linear-gradient(
            0deg,
            transparent 0px,
            transparent 3px,
            var(--cream-warm) 3px,
            var(--cream-warm) 4px,
            transparent 4px,
            transparent 7px
        );
}

.zen-sand-pattern::before {
    content: '';
    position: absolute;
    top: 40%;
    left: 30%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 213, 196, 0.08) 0%, transparent 70%);
    box-shadow:
        200px 80px 0 rgba(232, 213, 196, 0.06),
        -100px 200px 0 rgba(232, 213, 196, 0.04);
}

/* Pixel Stones */
.pixel-stone {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-cool);
}

.pixel-stone-1 {
    top: 35%;
    left: 25%;
    box-shadow:
        4px 0 0 var(--accent-cool),
        8px 0 0 var(--accent-cool),
        0 4px 0 var(--accent-cool),
        4px 4px 0 var(--primary-light),
        8px 4px 0 var(--accent-cool),
        12px 4px 0 var(--accent-cool),
        0 8px 0 var(--accent-cool),
        4px 8px 0 var(--accent-cool),
        8px 8px 0 var(--accent-cool);
    opacity: 0.4;
}

.pixel-stone-2 {
    top: 55%;
    right: 30%;
    box-shadow:
        4px 0 0 var(--accent-cool),
        0 4px 0 var(--accent-cool),
        4px 4px 0 var(--primary-light),
        8px 4px 0 var(--accent-cool),
        4px 8px 0 var(--accent-cool);
    opacity: 0.35;
}

.pixel-stone-3 {
    top: 70%;
    left: 45%;
    box-shadow:
        4px 0 0 var(--accent-cool),
        8px 0 0 var(--accent-cool),
        12px 0 0 var(--accent-cool),
        0 4px 0 var(--accent-cool),
        4px 4px 0 var(--primary-light),
        8px 4px 0 var(--primary-light),
        12px 4px 0 var(--accent-cool),
        4px 8px 0 var(--accent-cool),
        8px 8px 0 var(--accent-cool);
    opacity: 0.3;
}

/* Pixel Bridge */
.pixel-bridge {
    position: absolute;
    bottom: 25%;
    left: 40%;
    width: 4px;
    height: 4px;
    background: var(--primary-light);
    opacity: 0.25;
    box-shadow:
        4px 0 0 var(--primary-light),
        8px 0 0 var(--primary-light),
        12px 0 0 var(--primary-light),
        16px 0 0 var(--primary-light),
        20px 0 0 var(--primary-light),
        24px 0 0 var(--primary-light),
        28px 0 0 var(--primary-light),
        32px 0 0 var(--primary-light),
        0 -4px 0 var(--primary-mid),
        4px -4px 0 var(--primary-mid),
        28px -4px 0 var(--primary-mid),
        32px -4px 0 var(--primary-mid),
        -4px 4px 0 var(--accent-cool),
        0 4px 0 var(--accent-cool),
        32px 4px 0 var(--accent-cool),
        36px 4px 0 var(--accent-cool);
}

/* Enso Draw SVG */
.enso-draw {
    width: 200px;
    height: 200px;
    margin: 40px auto;
    opacity: 0.6;
}

.enso-svg {
    width: 100%;
    height: 100%;
}

.enso-circle {
    transition: stroke-dashoffset 2s cubic-bezier(0.22, 1, 0.36, 1);
}

.enso-circle.drawn {
    stroke-dashoffset: 44;
}

/* --- Folio V: The Return --- */
.folio-v .parallax-fore {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.return-content {
    text-align: center;
    max-width: 600px;
}

.return-headline {
    color: var(--text-dark);
}

.return-subtitle {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-style: italic;
    font-weight: 300;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-top: 20px;
}

.cityscape-dawn {
    opacity: 0.3;
    background:
        repeating-linear-gradient(90deg,
            transparent 0px, transparent 24px,
            var(--primary-light) 24px, var(--primary-light) 32px,
            transparent 32px, transparent 48px,
            var(--primary-light) 48px, var(--primary-light) 52px,
            transparent 52px, transparent 80px
        );
    background-size: 80px 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    mask-image: linear-gradient(to top, black 0%, transparent 80%);
    -webkit-mask-image: linear-gradient(to top, black 0%, transparent 80%);
}

/* Pixel Coffee Cup (for Folio V) */
.pixel-coffee-cup {
    width: 4px;
    height: 4px;
    background: var(--primary-mid);
    margin: 40px auto;
    box-shadow:
        4px 0 0 var(--primary-mid),
        8px 0 0 var(--primary-mid),
        12px 0 0 var(--primary-mid),
        0 4px 0 var(--primary-mid),
        4px 4px 0 var(--cream-warm),
        8px 4px 0 var(--cream-warm),
        12px 4px 0 var(--primary-mid),
        16px 4px 0 var(--accent-gold),
        0 8px 0 var(--primary-mid),
        4px 8px 0 var(--cream-warm),
        8px 8px 0 var(--cream-warm),
        12px 8px 0 var(--primary-mid),
        16px 8px 0 var(--accent-gold),
        0 12px 0 var(--primary-mid),
        4px 12px 0 var(--primary-mid),
        8px 12px 0 var(--primary-mid),
        12px 12px 0 var(--primary-mid),
        4px -4px 0 rgba(242, 230, 217, 0.3),
        8px -8px 0 rgba(242, 230, 217, 0.2),
        4px -12px 0 rgba(242, 230, 217, 0.1);
}

/* --- Folio Navigation --- */
.folio-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 100;
}

.folio-nav-icon {
    width: 32px;
    height: 32px;
    background: rgba(242, 230, 217, 0.08);
    border: 1px solid rgba(242, 230, 217, 0.15);
    border-radius: 2px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
}

.folio-nav-icon:hover {
    background: rgba(242, 230, 217, 0.15);
    border-color: var(--accent-gold);
}

.folio-nav-icon.active {
    background: rgba(107, 42, 61, 0.6);
    border-color: var(--accent-gold);
    box-shadow: 0 0 12px rgba(196, 162, 101, 0.3);
    animation: navPulse 3s ease-in-out infinite;
}

@keyframes navPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(196, 162, 101, 0.2); }
    50% { box-shadow: 0 0 16px rgba(196, 162, 101, 0.4); }
}

/* Pixel Icons for Navigation */
.pixel-icon {
    width: 4px;
    height: 4px;
    image-rendering: pixelated;
}

.pixel-icon-threshold {
    background: var(--cream-base);
    box-shadow:
        4px 0 0 var(--cream-base),
        8px 0 0 var(--cream-base),
        0 4px 0 var(--cream-base),
        8px 4px 0 var(--cream-base),
        0 8px 0 var(--cream-base),
        4px 8px 0 var(--cream-base),
        8px 8px 0 var(--cream-base);
}

.pixel-icon-library {
    background: var(--cream-base);
    box-shadow:
        0 4px 0 var(--cream-base),
        0 8px 0 var(--cream-base),
        4px 0 0 var(--cream-base),
        4px 4px 0 var(--cream-base),
        4px 8px 0 var(--cream-base),
        8px 0 0 var(--cream-base),
        8px 4px 0 var(--cream-base),
        8px 8px 0 var(--cream-base);
}

.pixel-icon-reading {
    background: var(--cream-base);
    box-shadow:
        4px 0 0 var(--cream-base),
        8px 0 0 var(--cream-base),
        0 4px 0 var(--cream-base),
        4px 4px 0 var(--accent-gold),
        8px 4px 0 var(--cream-base),
        0 8px 0 var(--cream-base),
        4px 8px 0 var(--cream-base),
        8px 8px 0 var(--cream-base);
}

.pixel-icon-garden {
    background: transparent;
    box-shadow:
        4px 0 0 var(--cream-base),
        8px 0 0 var(--cream-base),
        0 4px 0 var(--cream-base),
        12px 4px 0 var(--cream-base),
        0 8px 0 var(--cream-base),
        12px 8px 0 var(--cream-base),
        4px 12px 0 var(--cream-base),
        8px 12px 0 var(--cream-base);
}

.pixel-icon-return {
    background: var(--cream-base);
    box-shadow:
        4px 0 0 var(--cream-base),
        8px 0 0 var(--cream-base),
        12px 0 0 var(--cream-base),
        4px -4px 0 var(--accent-gold),
        8px -4px 0 var(--accent-gold),
        6px -8px 0 var(--accent-gold);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .library-constellation {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .library-card-1,
    .library-card-2,
    .library-card-3,
    .library-card-4 {
        transform: none;
        margin-top: 0;
    }

    .reading-room-panel {
        max-width: 95vw;
        padding: 40px 30px;
    }

    .garden-card-1,
    .garden-card-2,
    .garden-card-3 {
        align-self: center;
        margin-left: 0;
        margin-right: 0;
    }

    .folio-nav {
        right: 8px;
    }

    .folio-nav-icon {
        width: 26px;
        height: 26px;
    }

    .threshold-card {
        padding: 40px 30px;
    }
}

/* --- Scrollbar Styling --- */
.codex-container::-webkit-scrollbar {
    width: 4px;
}

.codex-container::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

.codex-container::-webkit-scrollbar-thumb {
    background: var(--primary-mid);
    border-radius: 2px;
}

/* --- Pixel Art Margin Decorations --- */
.folio::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 4px;
    background:
        repeating-linear-gradient(
            to bottom,
            transparent 0px,
            transparent 12px,
            var(--accent-gold) 12px,
            var(--accent-gold) 16px,
            transparent 16px,
            transparent 28px
        );
    opacity: 0.1;
    z-index: 5;
}

.folio::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 0;
    bottom: 0;
    width: 4px;
    background:
        repeating-linear-gradient(
            to bottom,
            transparent 0px,
            transparent 16px,
            var(--accent-gold) 16px,
            var(--accent-gold) 20px,
            transparent 20px,
            transparent 32px
        );
    opacity: 0.1;
    z-index: 5;
}