:root {
    --obsidian: #0B0B0F;
    --deep-graphite: #161620;
    --bone-ash: #E8E3D8;
    --electric-cyan: #00F0FF;
    --hot-magenta: #FF2D7B;
    --signal-amber: #FFB800;
    --smoke-glass: rgba(11,11,15,0.85);
    --secondary-bg: #1c1c28;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--obsidian);
    color: var(--bone-ash);
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    font-weight: 300;
    line-height: 1.72;
    overflow-x: hidden;
}

/* Scroll progress rule */
#scroll-rule {
    position: fixed;
    left: 3vw;
    top: 0;
    width: 1px;
    height: 100vh;
    background-color: rgba(0, 240, 255, 0.15);
    z-index: 100;
}

#scroll-fill {
    width: 100%;
    height: 0%;
    background-color: var(--electric-cyan);
    transition: height 0.1s linear;
}

.rule-label {
    position: absolute;
    left: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--electric-cyan);
    opacity: 0.3;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    transition: opacity 0.3s;
}

.rule-label[data-section="origin"] { top: 5%; }
.rule-label[data-section="specimen"] { top: 25%; }
.rule-label[data-section="mutation"] { top: 45%; }
.rule-label[data-section="gallery"] { top: 65%; }
.rule-label[data-section="colophon"] { top: 85%; }

.rule-label.active { opacity: 1; }

/* Floating diacriticals */
#diacriticals {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
}

.diacrit {
    position: absolute;
    font-size: 2rem;
    color: var(--bone-ash);
    opacity: 0.04;
}

.d1 { top: 12%; left: 70%; animation: driftSlow 80s linear infinite; }
.d2 { top: 35%; left: 85%; animation: driftSlow 65s linear infinite reverse; }
.d3 { top: 55%; left: 20%; animation: driftSlow 90s linear infinite; }
.d4 { top: 75%; left: 60%; animation: driftSlow 70s linear infinite reverse; }
.d5 { top: 20%; left: 40%; animation: driftSlow 100s linear infinite; }
.d6 { top: 85%; left: 30%; animation: driftSlow 75s linear infinite; }
.d7 { top: 45%; left: 90%; animation: driftSlow 85s linear infinite reverse; }

@keyframes driftSlow {
    0% { transform: translate3d(0, 0, 0); }
    25% { transform: translate3d(15px, -20px, 0); }
    50% { transform: translate3d(-10px, 15px, 0); }
    75% { transform: translate3d(20px, 10px, 0); }
    100% { transform: translate3d(0, 0, 0); }
}

/* Page sections */
.page-section {
    min-height: 100vh;
    position: relative;
    padding: clamp(3rem, 6vw, 8rem) 4vw;
    z-index: 10;
}

/* Wireframe glyph */
.wireframe-glyph {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 80vw;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px var(--electric-cyan);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
    line-height: 1;
}

.section-origin {
    display: flex;
    align-items: center;
}

/* Hero */
.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(5rem, 15vw, 18rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.9;
    margin-bottom: 2rem;
    position: relative;
}

.dot-dev {
    color: var(--electric-cyan);
}

/* Chromatic aberration */
.chromatic {
    position: relative;
}

.chromatic::before,
.chromatic::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-sub {
    max-width: 550px;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Section headings */
.section-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 6vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.95;
    margin-bottom: 2rem;
}

.body-text {
    max-width: 600px;
    margin-bottom: 1.5rem;
}

/* Specimen borders */
.specimen-border {
    position: absolute;
    top: 2rem; left: 5vw; right: 5vw; bottom: 2rem;
    pointer-events: none;
    z-index: 0;
}

.specimen-border::before,
.specimen-border::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
}

.specimen-border::before {
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.specimen-border::after {
    border: 1px solid rgba(255, 184, 0, 0.15);
    top: 4px; left: 4px; right: 4px; bottom: 4px;
}

/* Pull quote */
.pull-quote {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    font-weight: 300;
    font-style: italic;
    max-width: 500px;
    margin: 2rem 0;
    padding-left: 1.5rem;
    border-left: 2px solid var(--hot-magenta);
}

.quote-mark {
    color: var(--hot-magenta);
    font-size: 1.5em;
}

/* Glyph evolution */
.glyph-evolution {
    margin-top: 3rem;
    margin-left: 16vw;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.page-section.visible .glyph-evolution {
    opacity: 1;
}

/* Gallery */
.section-gallery {
    min-height: auto;
    padding-bottom: 4rem;
}

.gallery-scroll {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 2rem 8vw;
    -webkit-overflow-scrolling: touch;
}

.specimen-card {
    min-width: 60vw;
    height: 70vh;
    background-color: var(--deep-graphite);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px solid rgba(0, 240, 255, 0.1);
}

.card-glyph {
    font-family: 'Space Grotesk', serif;
    font-size: clamp(8rem, 20vw, 16rem);
    font-weight: 700;
    color: var(--bone-ash);
    line-height: 1;
    margin-bottom: 2rem;
}

.card-label {
    font-family: 'Commissioner', sans-serif;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--bone-ash);
    opacity: 0.7;
}

.card-num {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--signal-amber);
    letter-spacing: 0.06em;
}

/* Colophon */
.section-colophon {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.colophon-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.colophon-meta {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--electric-cyan);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 0.5rem;
}

/* Section visibility */
.section-content {
    position: relative;
    z-index: 10;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .section-content { margin-left: 5vw !important; }
    .wireframe-glyph { font-size: 100vw; }
    #scroll-rule { display: none; }
    .specimen-card { min-width: 85vw; }
    .glyph-evolution { margin-left: 5vw; }
}