/* ===== BASE RESET & GLOBALS ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-hero: #1a0508;
    --bg-secondary: #3b0a14;
    --bg-tertiary: #2a0710;
    --bg-deep: #0a0204;
    --accent-gold: #d4a574;
    --accent-bright: #e8b87a;
    --text-primary: #e8d5c4;
    --text-secondary: #a68b7a;
    --pixel-highlight: #ff6b6b;
    --burgundy-shadow: #5a0a1e;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-hero);
    color: var(--text-primary);
    font-family: 'Nunito', sans-serif;
    font-weight: 300;
    line-height: 1.75;
    overflow-x: hidden;
}

/* ===== PIXEL GRID OVERLAY ===== */
#pixel-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    background-image:
        repeating-linear-gradient(0deg, rgba(212,165,116,0.04) 0px, rgba(212,165,116,0.04) 1px, transparent 1px, transparent 8px),
        repeating-linear-gradient(90deg, rgba(212,165,116,0.04) 0px, rgba(212,165,116,0.04) 1px, transparent 1px, transparent 8px);
    opacity: var(--grid-opacity, 0.12);
    transition: opacity 0.6s ease;
}

/* ===== SECTIONS ===== */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    padding: 96px 16px;
}

#hero {
    background-color: var(--bg-hero);
}

#layer1 {
    background-color: var(--bg-secondary);
}

#layer2 {
    background-color: var(--bg-tertiary);
}

#layer3 {
    background-color: var(--bg-hero);
}

.section-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===== HERO ===== */
.hero-title {
    font-family: 'Poiret One', cursive;
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    text-shadow: 2px 2px 0 var(--burgundy-shadow), 4px 4px 0 rgba(90,10,30,0.4);
    color: var(--text-primary);
    margin-bottom: 32px;
}

.hero-tagline {
    font-family: 'Nunito', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    color: var(--text-secondary);
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.chevron {
    display: flex;
    justify-content: center;
    animation: chevronBounce 2s ease-in-out infinite;
}

.chevron-pixel {
    width: 4px;
    height: 4px;
    background: var(--accent-gold);
    box-shadow:
        8px 0 0 var(--accent-gold),
        -8px 0 0 var(--accent-gold),
        4px 4px 0 var(--accent-gold),
        -4px 4px 0 var(--accent-gold),
        0 8px 0 var(--accent-gold);
}

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

/* ===== SECTION HEADINGS ===== */
.section-heading {
    font-family: 'Poiret One', cursive;
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    font-weight: 400;
    letter-spacing: 0.08em;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.section-text {
    font-family: 'Nunito', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    color: var(--text-primary);
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

/* ===== SIMULATION WINDOWS ===== */
.sim-windows {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.sim-window {
    width: 280px;
    border: 4px solid var(--accent-gold);
    background: rgba(10, 2, 4, 0.6);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.sim-window:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}

.sim-window:active {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

.sim-window-header {
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-bottom: 2px solid var(--accent-gold);
}

.sim-window-title {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    color: var(--accent-gold);
}

.sim-window-body {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pixel-art {
    width: 4px;
    height: 4px;
    position: relative;
}

/* Particle Bounce */
#particle-bounce {
    background: var(--pixel-highlight);
    animation: particleBounce 2s ease-in-out infinite;
}

@keyframes particleBounce {
    0%   { box-shadow: 0 0 0 var(--pixel-highlight), -4px 4px 0 rgba(255,107,107,0.6), -8px 8px 0 rgba(255,107,107,0.3); transform: translate(-60px, 40px); }
    15%  { box-shadow: 0 0 0 var(--pixel-highlight), -4px 4px 0 rgba(255,107,107,0.6), -8px 8px 0 rgba(255,107,107,0.3); transform: translate(-30px, -20px); }
    30%  { box-shadow: 0 0 0 var(--pixel-highlight), -4px 4px 0 rgba(255,107,107,0.6), -8px 8px 0 rgba(255,107,107,0.3); transform: translate(0px, 40px); }
    45%  { box-shadow: 0 0 0 var(--pixel-highlight), -4px 4px 0 rgba(255,107,107,0.6), -8px 8px 0 rgba(255,107,107,0.3); transform: translate(30px, -10px); }
    60%  { box-shadow: 0 0 0 var(--pixel-highlight), -4px 4px 0 rgba(255,107,107,0.6), -8px 8px 0 rgba(255,107,107,0.3); transform: translate(60px, 40px); }
    80%  { box-shadow: 0 0 0 var(--pixel-highlight), 4px 4px 0 rgba(255,107,107,0.6), 8px 8px 0 rgba(255,107,107,0.3); transform: translate(30px, -30px); }
    100% { box-shadow: 0 0 0 var(--pixel-highlight), 4px 4px 0 rgba(255,107,107,0.6), 8px 8px 0 rgba(255,107,107,0.3); transform: translate(-60px, 40px); }
}

/* Crystal Growth */
#crystal-growth {
    background: var(--accent-gold);
    animation: crystalGrow 6s linear infinite;
}

@keyframes crystalGrow {
    0%   { box-shadow: 0 0 0 var(--accent-gold); }
    10%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold); }
    20%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold), 8px -8px 0 var(--accent-bright), -8px -8px 0 var(--accent-bright); }
    30%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold), 8px -8px 0 var(--accent-bright), -8px -8px 0 var(--accent-bright), 0 -16px 0 var(--accent-gold), 16px -16px 0 var(--pixel-highlight); }
    40%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold), 8px -8px 0 var(--accent-bright), -8px -8px 0 var(--accent-bright), 0 -16px 0 var(--accent-gold), 16px -16px 0 var(--pixel-highlight), -16px -16px 0 var(--pixel-highlight), 8px -24px 0 var(--accent-gold); }
    50%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold), 8px -8px 0 var(--accent-bright), -8px -8px 0 var(--accent-bright), 0 -16px 0 var(--accent-gold), 16px -16px 0 var(--pixel-highlight), -16px -16px 0 var(--pixel-highlight), 8px -24px 0 var(--accent-gold), -8px -24px 0 var(--accent-gold), 0 -32px 0 var(--accent-bright); }
    60%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold), 8px -8px 0 var(--accent-bright), -8px -8px 0 var(--accent-bright), 0 -16px 0 var(--accent-gold), 16px -16px 0 var(--pixel-highlight), -16px -16px 0 var(--pixel-highlight), 8px -24px 0 var(--accent-gold), -8px -24px 0 var(--accent-gold), 0 -32px 0 var(--accent-bright), 24px -24px 0 var(--accent-bright), -24px -24px 0 var(--accent-bright); }
    75%  { box-shadow: 0 0 0 var(--accent-gold), 0 -8px 0 var(--accent-gold), 8px -8px 0 var(--accent-bright), -8px -8px 0 var(--accent-bright), 0 -16px 0 var(--accent-gold), 16px -16px 0 var(--pixel-highlight), -16px -16px 0 var(--pixel-highlight), 8px -24px 0 var(--accent-gold), -8px -24px 0 var(--accent-gold), 0 -32px 0 var(--accent-bright), 24px -24px 0 var(--accent-bright), -24px -24px 0 var(--accent-bright), 0 8px 0 var(--accent-gold), 8px 16px 0 var(--accent-bright), -8px 16px 0 var(--accent-bright); }
    100% { box-shadow: 0 0 0 var(--accent-gold); }
}

/* Fluid Flow */
#fluid-flow {
    background: #4488cc;
    animation: fluidFlow 3s linear infinite;
}

@keyframes fluidFlow {
    0%   { box-shadow: -60px 0 0 #4488cc, -48px -4px 0 #5599dd, -36px 0 0 #4488cc, -24px 4px 0 #5599dd, -12px 0 0 #4488cc, 0px -4px 0 #5599dd, 12px 0 0 #4488cc, 24px 4px 0 #5599dd, 36px 0 0 #4488cc, 48px -4px 0 #5599dd, 60px 0 0 #4488cc, -60px 8px 0 rgba(68,136,204,0.5), -36px 8px 0 rgba(68,136,204,0.5), -12px 8px 0 rgba(68,136,204,0.5), 12px 8px 0 rgba(68,136,204,0.5), 36px 8px 0 rgba(68,136,204,0.5), 60px 8px 0 rgba(68,136,204,0.5); }
    50%  { box-shadow: -60px 4px 0 #5599dd, -48px 0 0 #4488cc, -36px -4px 0 #5599dd, -24px 0 0 #4488cc, -12px 4px 0 #5599dd, 0px 0 0 #4488cc, 12px -4px 0 #5599dd, 24px 0 0 #4488cc, 36px 4px 0 #5599dd, 48px 0 0 #4488cc, 60px -4px 0 #5599dd, -60px 12px 0 rgba(85,153,221,0.5), -36px 4px 0 rgba(85,153,221,0.5), -12px 12px 0 rgba(85,153,221,0.5), 12px 4px 0 rgba(85,153,221,0.5), 36px 12px 0 rgba(85,153,221,0.5), 60px 4px 0 rgba(85,153,221,0.5); }
    100% { box-shadow: -60px 0 0 #4488cc, -48px -4px 0 #5599dd, -36px 0 0 #4488cc, -24px 4px 0 #5599dd, -12px 0 0 #4488cc, 0px -4px 0 #5599dd, 12px 0 0 #4488cc, 24px 4px 0 #5599dd, 36px 0 0 #4488cc, 48px -4px 0 #5599dd, 60px 0 0 #4488cc, -60px 8px 0 rgba(68,136,204,0.5), -36px 8px 0 rgba(68,136,204,0.5), -12px 8px 0 rgba(68,136,204,0.5), 12px 8px 0 rgba(68,136,204,0.5), 36px 8px 0 rgba(68,136,204,0.5), 60px 8px 0 rgba(68,136,204,0.5); }
}

/* ===== PIXEL ORNAMENT ===== */
.pixel-ornament {
    width: 4px;
    height: 4px;
    background: var(--accent-gold);
    margin: 48px auto;
    box-shadow:
        4px -4px 0 var(--accent-gold),
        -4px -4px 0 var(--accent-gold),
        4px 4px 0 var(--accent-gold),
        -4px 4px 0 var(--accent-gold),
        0 -8px 0 var(--accent-bright),
        0 8px 0 var(--accent-bright),
        8px 0 0 var(--accent-bright),
        -8px 0 0 var(--accent-bright);
}

/* ===== ART DECO DIVIDERS ===== */
.deco-divider {
    height: 120px;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    overflow: hidden;
}

.deco-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 2px;
    height: 100px;
    background: var(--accent-gold);
    opacity: 0.6;
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(calc((var(--i) - 3) * 15deg)) scaleY(0);
    transition: transform 0.6s ease-out, opacity 0.4s ease;
    transition-delay: calc(var(--i) * 50ms);
}

.deco-divider.active .deco-line {
    transform: translateX(-50%) rotate(calc((var(--i) - 3) * 15deg)) scaleY(1);
    opacity: 1;
}

/* ===== ARCHITECTURE TEXT ===== */
.architecture-text {
    max-width: 640px;
    margin: 0 auto;
}

/* ===== TORII GATE ===== */
.torii-gate {
    width: 400px;
    height: 300px;
    margin: 0 auto 48px;
    position: relative;
    max-width: 100%;
}

.torii-crossbeam {
    position: absolute;
    top: 0;
    left: -8px;
    right: -8px;
    height: 24px;
    background: linear-gradient(to right, var(--accent-gold), var(--burgundy-shadow), var(--accent-gold));
    border-radius: 4px 4px 0 0;
}

.torii-beam {
    position: absolute;
    top: 40px;
    left: 24px;
    right: 24px;
    height: 16px;
    background: var(--accent-gold);
    opacity: 0.8;
}

.torii-pillar {
    position: absolute;
    top: 40px;
    width: 32px;
    bottom: 0;
    background: linear-gradient(to bottom, var(--accent-gold), var(--bg-secondary));
    overflow: hidden;
}

.torii-pillar-left {
    left: 48px;
}

.torii-pillar-right {
    right: 48px;
}

.data-stream {
    font-family: 'Share Tech Mono', monospace;
    font-size: 8px;
    line-height: 10px;
    color: rgba(212,165,116,0.3);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    animation: dataScroll 4s linear infinite;
    white-space: nowrap;
    overflow: hidden;
}

@keyframes dataScroll {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

.philosophical-text {
    font-family: 'Poiret One', cursive;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

/* ===== FOOTER ===== */
#footer {
    background: var(--bg-deep);
    padding: 48px 16px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-domain {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sim-windows {
        flex-direction: column;
        align-items: center;
    }

    .sim-window {
        width: 100%;
        max-width: 320px;
    }

    .torii-gate {
        width: 280px;
        height: 220px;
    }

    .torii-pillar-left {
        left: 32px;
    }

    .torii-pillar-right {
        right: 32px;
    }
}