/* ══════════════════════════════════════════════════════════
   MasqueradeProtocol.com — Styles
   Art-Deco Ornate Luxury | Venetian Masquerade + Cryptographic Protocol
   ══════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
    --obsidian-void: #0b0b12;
    --venetian-gold: #c9a84c;
    --midnight-chamber: #0f1a2e;
    --crimson-velvet: #8b1a2b;
    --phantom-silver: #a8a8b8;
    --candlelight: #f5e6c8;
    --masque-purple: #3d1f56;
    --parchment-whisper: #1a1a24;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Cormorant Garamond', Garamond, serif;
    --font-mono: 'Fira Code', monospace;

    --ease-reveal: cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--obsidian-void);
    color: var(--phantom-silver);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.85;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ─── Gold Shimmer Animation ─── */
@keyframes goldShimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ─── Chamber Base ─── */
.chamber {
    position: relative;
    width: 100%;
}

/* ══════════════════════════════════════════════════════════
   CHAMBER I — THE INVITATION (Hero)
   ══════════════════════════════════════════════════════════ */
#invitation {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--obsidian-void);
    overflow: hidden;
}

.invitation-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.golden-vignette {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(201, 168, 76, 0.04) 100%);
    opacity: 0;
    transition: opacity 2s var(--ease-reveal);
}

.golden-vignette.visible {
    opacity: 1;
}

/* ─── Venetian Mask ─── */
#mask-container {
    position: relative;
    width: 280px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1200px;
    opacity: 0;
    transform: scale(0.1);
    transition: opacity 0.6s var(--ease-reveal), transform 2.5s var(--ease-reveal);
}

#mask-container.revealed {
    opacity: 1;
    transform: scale(1);
}

#venetian-mask {
    width: 100%;
    height: 100%;
    animation: maskRotate 8s ease-in-out infinite;
}

@keyframes maskRotate {
    0%, 100% { transform: rotateY(-15deg); }
    50% { transform: rotateY(15deg); }
}

.mask-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    transition: stroke-dashoffset 2.5s var(--ease-reveal);
}

#mask-container.revealed .mask-path {
    stroke-dashoffset: 0;
}

/* Mask watermark for background use */
.mask-watermark {
    position: absolute;
    width: 600px;
    height: 600px;
    opacity: 0.05;
    pointer-events: none;
}

/* ─── Site Title (Typewriter) ─── */
#site-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(36px, 7vw, 80px);
    letter-spacing: 0.12em;
    color: var(--candlelight);
    text-align: center;
    margin-top: 30px;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    background: linear-gradient(
        90deg,
        var(--candlelight) 0%,
        var(--candlelight) 40%,
        #e8d5a0 50%,
        var(--candlelight) 60%,
        var(--candlelight) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: goldShimmer 12s linear infinite;
}

#site-title.title-hidden .title-text {
    opacity: 0;
}

#site-title .title-text {
    transition: opacity 0.3s;
}

.title-cursor {
    display: inline-block;
    width: 3px;
    height: 0.85em;
    background-color: var(--venetian-gold);
    margin-left: 4px;
    vertical-align: baseline;
    animation: cursorBlink 0.8s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.invitation-subtitle {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--phantom-silver);
    letter-spacing: 0.2em;
    opacity: 0;
    transition: opacity 1s var(--ease-reveal);
    margin-top: 8px;
}

.invitation-subtitle.visible {
    opacity: 0.6;
}

/* ─── Scroll Chevron ─── */
.scroll-chevron {
    position: absolute;
    bottom: 40px;
    width: 40px;
    height: 24px;
    opacity: 0;
    transition: opacity 0.6s var(--ease-reveal);
    animation: chevronPulse 2s ease-in-out infinite;
    cursor: pointer;
}

.scroll-chevron.visible {
    opacity: 0.7;
}

.scroll-chevron:hover {
    opacity: 1;
}

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

/* ══════════════════════════════════════════════════════════
   ORNAMENTAL DIVIDERS
   ══════════════════════════════════════════════════════════ */
.deco-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    opacity: 0;
    transform: scaleX(0);
    transition: opacity 0.8s var(--ease-reveal), transform 0.8s var(--ease-reveal);
}

.deco-divider.revealed {
    opacity: 1;
    transform: scaleX(1);
}

.deco-fan-svg {
    width: 100%;
    max-width: 600px;
    height: auto;
}

/* ══════════════════════════════════════════════════════════
   CHAMBERS II & III — THE ANTECHAMBER
   ══════════════════════════════════════════════════════════ */
.antechamber {
    padding: 80px 5% 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.editorial-spread {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.column-wide {
    flex: 0 0 61.8%;
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s var(--ease-reveal), transform 0.8s var(--ease-reveal);
}

.column-wide.revealed {
    opacity: 1;
    transform: translateX(0);
}

.column-narrow {
    flex: 0 0 calc(38.2% - 40px);
    position: relative;
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s var(--ease-reveal) 0.2s, transform 0.8s var(--ease-reveal) 0.2s;
}

.column-narrow.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Reversed layout (Section 3) */
.antechamber.reversed .editorial-spread {
    flex-direction: row;
}

.antechamber.reversed .column-narrow {
    order: -1;
    transform: translateX(-60px);
}

.antechamber.reversed .column-narrow.revealed {
    transform: translateX(0);
}

.antechamber.reversed .column-wide {
    transform: translateX(60px);
}

.antechamber.reversed .column-wide.revealed {
    transform: translateX(0);
}

/* Gold vertical rule between columns */
.editorial-spread::before {
    content: '';
    position: absolute;
    left: calc(61.8% + 5%);
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--venetian-gold), transparent);
    opacity: 0.3;
}

.antechamber {
    position: relative;
}

/* ─── Section Headings ─── */
.section-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(32px, 4vw, 52px);
    letter-spacing: 0.04em;
    color: var(--candlelight);
    margin-bottom: 30px;
    line-height: 1.2;
    background: linear-gradient(
        90deg,
        var(--candlelight) 0%,
        var(--candlelight) 40%,
        #e8d5a0 50%,
        var(--candlelight) 60%,
        var(--candlelight) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: goldShimmer 12s linear infinite;
}

/* ─── Body Text ─── */
.body-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.85;
    color: var(--phantom-silver);
    margin-bottom: 24px;
}

.body-text em {
    font-weight: 600;
    color: var(--candlelight);
    font-style: italic;
}

/* ─── Ornamental Panel (Narrow Column) ─── */
.ornamental-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 30px;
    border: 1px solid rgba(201, 168, 76, 0.2);
    position: relative;
}

/* Corner ornaments on panel */
.ornamental-panel::before,
.ornamental-panel::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid var(--venetian-gold);
}

.ornamental-panel::before {
    top: -1px;
    left: -1px;
    border-right: none;
    border-bottom: none;
}

.ornamental-panel::after {
    bottom: -1px;
    right: -1px;
    border-left: none;
    border-top: none;
}

.panel-ornament {
    width: 160px;
    height: 160px;
    opacity: 0.5;
}

/* ─── Cipher Fragments ─── */
.cipher-fragment {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--phantom-silver);
    opacity: 0.4;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.cipher-fragment[data-cipher] {
    writing-mode: horizontal-tb;
}

/* ══════════════════════════════════════════════════════════
   CHAMBER IV — THE GRAND HALL
   ══════════════════════════════════════════════════════════ */
#grand-hall {
    padding: 80px 5% 100px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

/* Background fan ray pattern */
#grand-hall::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-conic-gradient(
            from 0deg at 50% 120%,
            transparent 0deg,
            transparent 8deg,
            rgba(201, 168, 76, 0.015) 8deg,
            rgba(201, 168, 76, 0.015) 9deg
        );
    pointer-events: none;
}

.grand-hall-title {
    margin-bottom: 12px;
}

.grand-hall-subtitle {
    font-family: var(--font-body);
    font-size: 16px;
    font-style: italic;
    color: var(--phantom-silver);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--ease-reveal), transform 0.8s var(--ease-reveal);
    margin-bottom: 60px;
}

.grand-hall-subtitle.revealed {
    opacity: 0.7;
    transform: translateY(0);
}

/* ─── Card Grid ─── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    perspective: 1200px;
}

/* ─── Tarot Cards ─── */
.tarot-card {
    aspect-ratio: 3 / 4;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.6s var(--ease-reveal), transform 0.6s var(--ease-reveal);
}

.tarot-card.revealed {
    opacity: 1;
    transform: scale(1);
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease-in-out;
    transform-style: preserve-3d;
}

.tarot-card:hover .card-inner,
.tarot-card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-front {
    background-color: var(--parchment-whisper);
}

.card-back {
    background-color: var(--masque-purple);
    transform: rotateY(180deg);
}

.card-border {
    width: calc(100% - 24px);
    height: calc(100% - 24px);
    border: 1px solid var(--venetian-gold);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 20px;
    position: relative;
    text-align: center;
}

/* Card border corner ornaments */
.card-border::before,
.card-border::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
}

.card-border::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--venetian-gold);
    border-left: 2px solid var(--venetian-gold);
}

.card-border::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--venetian-gold);
    border-right: 2px solid var(--venetian-gold);
}

/* Front face corner ornaments (bottom-left & top-right) */
.card-front .card-border {
    position: relative;
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    color: var(--candlelight);
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.card-text {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--phantom-silver);
}

/* Back face */
.card-back .card-border {
    border-color: rgba(201, 168, 76, 0.4);
}

.card-secret {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.8;
    color: var(--candlelight);
    font-style: italic;
    margin-bottom: 16px;
}

.card-code {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--venetian-gold);
    letter-spacing: 0.1em;
    opacity: 0.7;
}

/* ══════════════════════════════════════════════════════════
   CHAMBER V — THE INNER SANCTUM
   ══════════════════════════════════════════════════════════ */
#inner-sanctum {
    padding: 120px 5% 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 80vh;
    background-color: var(--obsidian-void);
    transition: background-color 1.5s var(--ease-reveal);
}

#inner-sanctum.deep {
    background-color: var(--midnight-chamber);
}

.sanctum-vignette {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(201, 168, 76, 0.06) 100%);
    opacity: 0;
    transition: opacity 1.5s var(--ease-reveal);
}

#inner-sanctum.deep .sanctum-vignette {
    opacity: 1;
}

.sanctum-content {
    max-width: 520px;
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-reveal), transform 1s var(--ease-reveal);
}

.sanctum-content.revealed {
    opacity: 1;
    transform: translateY(0);
}

.sanctum-heading {
    margin-bottom: 40px;
}

.sanctum-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 20px;
    line-height: 1.9;
    color: var(--phantom-silver);
    margin-bottom: 28px;
}

.sanctum-text em {
    font-style: italic;
    color: var(--candlelight);
    font-weight: 400;
}

.sanctum-cipher {
    margin-top: 40px;
    opacity: 0.3;
    font-size: 12px;
}

/* ══════════════════════════════════════════════════════════
   CHAMBER VI — THE DEPARTURE (Footer)
   ══════════════════════════════════════════════════════════ */
#departure {
    padding: 100px 5% 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* ─── Wax Seal ─── */
.wax-seal {
    margin-bottom: 40px;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 1.2s var(--ease-reveal), transform 1.2s var(--ease-reveal);
}

.wax-seal.revealed {
    opacity: 1;
    transform: scale(1);
}

.seal-outer {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, #b82a3e, var(--crimson-velvet) 50%, #5a0f1a 100%);
    box-shadow:
        0 4px 20px rgba(139, 26, 43, 0.4),
        inset 0 2px 6px rgba(255, 255, 255, 0.1),
        inset 0 -2px 6px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Radial ridges on seal */
.seal-outer::before {
    content: '';
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    border: 1.5px solid rgba(201, 168, 76, 0.3);
}

.seal-outer::after {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    border: 1px solid rgba(201, 168, 76, 0.2);
}

.seal-inner {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1px solid rgba(201, 168, 76, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.seal-monogram {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    color: var(--venetian-gold);
    letter-spacing: 0.1em;
}

/* ─── Footer Rules & Text ─── */
.deco-rule-footer {
    width: 200px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--venetian-gold), transparent);
    margin: 16px 0;
    opacity: 0.4;
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 12px;
    font-variant: small-caps;
    letter-spacing: 0.2em;
    color: var(--phantom-silver);
    opacity: 0.5;
}

/* ══════════════════════════════════════════════════════════
   SCROLL-REVEAL BASE STATES
   ══════════════════════════════════════════════════════════ */
[data-reveal="up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-reveal), transform 0.8s var(--ease-reveal);
}

[data-reveal="up"].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ══════════════════════════════════════════════════════════
   MARBLE TEXTURE (subtle noise on elevated surfaces)
   ══════════════════════════════════════════════════════════ */
.card-front,
.ornamental-panel {
    background-image:
        radial-gradient(ellipse at 20% 80%, rgba(201, 168, 76, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 168, 184, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(201, 168, 76, 0.02) 0%, transparent 60%);
}

.ornamental-panel {
    background-color: var(--parchment-whisper);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE — Mobile
   ══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .editorial-spread {
        flex-direction: column;
    }

    .column-wide,
    .column-narrow {
        flex: 1 1 100%;
    }

    .antechamber.reversed .column-narrow {
        order: 0;
    }

    .editorial-spread::before {
        display: none;
    }

    .column-wide,
    .antechamber.reversed .column-wide {
        transform: translateX(0);
        opacity: 0;
    }

    .column-wide.revealed,
    .antechamber.reversed .column-wide.revealed {
        opacity: 1;
    }

    .column-narrow,
    .antechamber.reversed .column-narrow {
        transform: translateX(0);
        opacity: 0;
    }

    .column-narrow.revealed,
    .antechamber.reversed .column-narrow.revealed {
        opacity: 1;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .tarot-card {
        max-width: 360px;
        margin: 0 auto;
    }

    #venetian-mask {
        animation-name: maskRotateMobile;
    }

    @keyframes maskRotateMobile {
        0%, 100% { transform: rotateY(-8deg); }
        50% { transform: rotateY(8deg); }
    }

    .antechamber {
        padding: 60px 6%;
    }

    #grand-hall {
        padding: 60px 6% 80px;
    }

    #inner-sanctum {
        padding: 80px 6%;
    }

    #mask-container {
        width: 200px;
        height: 200px;
    }
}

/* ══════════════════════════════════════════════════════════
   PREFERS REDUCED MOTION
   ══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}