/* ============================================
   ppuzzle.dev - Political Puzzle
   Grainy-Textured / Modular-Blocks / Warm-Inviting
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --deep-umber: #2C2418;
    --parchment-gold: #F5EDD8;
    --triadic-blue: #4A6FA5;
    --triadic-coral: #C75C5C;
    --triadic-green: #5A8F6E;
    --warm-sepia: #8B7355;
    --candle-amber: #D4A84B;
    --module-bg-1: #F5EDD8;
    --module-bg-2: #EDE4CF;
    --module-bg-3: #E8D9C0;
    --max-width: 1200px;
    --gap: 16px;
    --section-margin: 80px;
}

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

/* --- Film Grain Overlay --- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 10000;
    pointer-events: none;
    opacity: 0.04;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23g)' opacity='1'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    animation: grain-shift 0.5s steps(5) infinite;
}

@keyframes grain-shift {
    0%, 100% { transform: translate(0, 0); }
    20% { transform: translate(-2%, 3%); }
    40% { transform: translate(3%, -1%); }
    60% { transform: translate(-1%, -3%); }
    80% { transform: translate(2%, 2%); }
}

/* --- SVG Grain (Hidden but available for filter) --- */
#grain-svg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.03;
}

/* --- Base Typography --- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(16px, 1.5vw, 18px);
    line-height: 1.75;
    color: var(--deep-umber);
    background-color: var(--parchment-gold);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'EB Garamond', serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

/* --- Section Shared Styles --- */
.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    margin-bottom: 48px;
}

.section-label {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--warm-sepia);
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-size: clamp(28px, 4vw, 52px);
    color: var(--deep-umber);
}

/* ============================================
   Dossier Cover Section
   ============================================ */
#dossier-cover {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    background-color: var(--deep-umber);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Bokeh Lights */
.bokeh-container {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.bokeh-light {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 75, 0.12) 0%, rgba(212, 168, 75, 0) 70%);
    opacity: 0;
    animation: bokeh-fade-in 1s ease-out forwards, bokeh-drift 18s ease-in-out infinite alternate;
    animation-delay: var(--delay), var(--delay);
}

@keyframes bokeh-fade-in {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes bokeh-drift {
    0% { transform: translate(0, 0); }
    25% { transform: translate(15px, -10px); }
    50% { transform: translate(-8px, 12px); }
    75% { transform: translate(10px, 5px); }
    100% { transform: translate(-12px, -8px); }
}

/* Candle Glow Behind Wordmark */
.candle-glow {
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 75, 0.15) 0%, rgba(212, 168, 75, 0.05) 40%, transparent 70%);
    z-index: 2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: width 1.5s ease-out, height 1.5s ease-out;
}

.candle-glow.active {
    width: 600px;
    height: 600px;
}

/* Dossier Content */
.dossier-content {
    position: relative;
    z-index: 3;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.dossier-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.wordmark {
    font-family: 'EB Garamond', serif;
    font-weight: 700;
    font-size: clamp(42px, 7vw, 80px);
    color: var(--parchment-gold);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    text-shadow: 0 0 60px rgba(212, 168, 75, 0.3), 0 0 120px rgba(212, 168, 75, 0.1);
}

.tagline {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(14px, 1.8vw, 20px);
    color: var(--warm-sepia);
    letter-spacing: 0.02em;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.scroll-indicator.visible {
    opacity: 1;
}

.scroll-text {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--warm-sepia);
    display: block;
    margin-bottom: 8px;
}

.scroll-arrow {
    animation: bounce-arrow 2s ease-in-out infinite;
}

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

/* ============================================
   Analysis Modules Section
   ============================================ */
#analysis-modules {
    padding: var(--section-margin) 0;
    background-color: var(--parchment-gold);
    position: relative;
}

#analysis-modules::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 75, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

/* Module Sizing */
.module-large {
    grid-column: span 2;
}

.module-medium {
    grid-column: span 2;
}

.module-small {
    grid-column: span 1;
}

/* Module Base Styles */
.module {
    position: relative;
    padding: 32px;
    border: 1px solid var(--warm-sepia);
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
    transition-delay: var(--stagger-delay);
}

.module.in-view {
    opacity: 1;
    transform: translateY(0);
}

.module:nth-child(1) { background-color: var(--module-bg-1); }
.module:nth-child(2) { background-color: var(--module-bg-2); }
.module:nth-child(3) { background-color: var(--module-bg-3); }
.module:nth-child(4) { background-color: var(--module-bg-2); }
.module:nth-child(5) { background-color: var(--module-bg-1); }
.module:nth-child(6) { background-color: var(--module-bg-3); }

.module-candle-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 75, 0.08) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.module:hover .module-candle-glow {
    opacity: 1;
}

.module:hover {
    border-color: var(--candle-amber);
    box-shadow: 0 4px 24px rgba(44, 36, 24, 0.1);
}

/* Module Content */
.module-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.module-category {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 2px;
}

.module-category--blue {
    color: var(--triadic-blue);
    background-color: rgba(74, 111, 165, 0.1);
}

.module-category--coral {
    color: var(--triadic-coral);
    background-color: rgba(199, 92, 92, 0.1);
}

.module-category--green {
    color: var(--triadic-green);
    background-color: rgba(90, 143, 110, 0.1);
}

.module-date {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--warm-sepia);
}

.module-title {
    font-size: clamp(20px, 2.5vw, 28px);
    color: var(--deep-umber);
    margin-bottom: 12px;
    line-height: 1.3;
}

.module-excerpt {
    color: var(--warm-sepia);
    font-size: clamp(14px, 1.3vw, 16px);
    line-height: 1.65;
    margin-bottom: 16px;
}

.module-read-more {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--triadic-blue);
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.module:hover .module-read-more {
    color: var(--candle-amber);
}

/* ============================================
   Evidence Board Section
   ============================================ */
#evidence-board {
    padding: var(--section-margin) 0;
    background-color: var(--deep-umber);
    position: relative;
    overflow: hidden;
}

#evidence-board::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 75, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

#evidence-board .section-label {
    color: var(--candle-amber);
}

#evidence-board .section-title {
    color: var(--parchment-gold);
}

.board-container {
    position: relative;
}

.connection-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.connection-svg path {
    fill: none;
    stroke: var(--warm-sepia);
    stroke-width: 1;
    opacity: 0.5;
    transition: stroke 0.3s ease, opacity 0.3s ease;
}

.connection-svg path.glow {
    stroke: var(--triadic-blue);
    opacity: 0.8;
    filter: drop-shadow(0 0 4px rgba(74, 111, 165, 0.4));
}

.evidence-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 2;
}

/* Evidence Card */
.evidence-card {
    position: relative;
    background-color: var(--module-bg-2);
    border: 1px solid var(--warm-sepia);
    border-radius: 2px;
    padding: 24px;
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
    transition-delay: var(--stagger-delay);
}

.evidence-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

.evidence-card:hover {
    border-color: var(--candle-amber);
    box-shadow: 0 4px 20px rgba(212, 168, 75, 0.15);
}

.card-pin {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--triadic-coral);
    border: 2px solid var(--module-bg-2);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.card-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--warm-sepia);
    display: block;
    margin-bottom: 8px;
}

.card-text {
    font-size: 14px;
    color: var(--deep-umber);
    line-height: 1.6;
    margin-bottom: 12px;
}

.card-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 2px;
    display: inline-block;
}

.card-tag--blue {
    color: var(--triadic-blue);
    background-color: rgba(74, 111, 165, 0.12);
}

.card-tag--coral {
    color: var(--triadic-coral);
    background-color: rgba(199, 92, 92, 0.12);
}

.card-tag--green {
    color: var(--triadic-green);
    background-color: rgba(90, 143, 110, 0.12);
}

/* ============================================
   Reading Room Footer
   ============================================ */
#reading-room {
    background-color: var(--deep-umber);
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(139, 115, 85, 0.3);
}

.footer-candle-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(212, 168, 75, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-wordmark {
    font-family: 'EB Garamond', serif;
    font-weight: 700;
    font-size: 28px;
    color: var(--parchment-gold);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.footer-description {
    color: var(--warm-sepia);
    font-size: 14px;
    line-height: 1.7;
    max-width: 320px;
}

.footer-heading {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--candle-amber);
    margin-bottom: 20px;
    font-weight: 400;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-link {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 14px;
    color: var(--warm-sepia);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--parchment-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(139, 115, 85, 0.2);
}

.footer-copyright {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    color: rgba(139, 115, 85, 0.6);
}

.footer-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    color: rgba(139, 115, 85, 0.4);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .module-large,
    .module-medium {
        grid-column: span 2;
    }

    .evidence-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 600px) {
    .modules-grid {
        grid-template-columns: 1fr;
    }

    .module-large,
    .module-medium,
    .module-small {
        grid-column: span 1;
    }

    .evidence-cards {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}