/* === Custom Properties === */
:root {
    --black: #0a0a0a;
    --near-black: #1a1a1a;
    --dark-gray: #2a2a2a;
    --mid-gray: #3d3d3d;
    --muted-gray: #6b6b6b;
    --warm-white: #d9d3c7;
    --parchment: #f0ece4;

    --font-display: 'DM Serif Display', serif;
    --font-body: 'Source Serif 4', serif;
    --font-mono: 'Space Grotesk', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
}

body {
    background-color: var(--near-black);
    color: var(--warm-white);
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 18px;
    line-height: 1.6;
    overflow-x: hidden;
}

/* === Film Grain Overlay === */
#grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: multiply;
    opacity: 0.12;
}

#grain-overlay svg {
    width: 100%;
    height: 100%;
}

/* === Manifest Pages === */
.manifest-page {
    min-height: 100vh;
    padding: 6vh 6vw;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    scroll-snap-align: start;
    border-bottom: 1px solid var(--dark-gray);
}

/* === Z-Pattern Layout === */
.z-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    align-items: start;
}

.z-top {
    margin-bottom: 6vh;
}

.z-bottom {
    margin-top: auto;
}

.z-center {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.z-left, .z-right {
    position: relative;
}

/* === Typography === */
.display-heading {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 400;
    letter-spacing: -0.03em;
    line-height: 1.0;
    text-transform: uppercase;
    color: var(--parchment);
}

.section-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4.5rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.05;
    text-transform: uppercase;
    color: var(--parchment);
}

.body-narrative {
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 300;
    line-height: 1.7;
    color: var(--warm-white);
    max-width: 500px;
}

.mono-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted-gray);
}

/* === Section Numbers === */
.section-number {
    position: absolute;
    top: 4vh;
    left: 6vw;
}

/* === Stat Blocks === */
.stat-block {
    text-align: right;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 700;
    color: var(--parchment);
    line-height: 1;
    display: inline;
}

.stat-unit {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 400;
    color: var(--muted-gray);
    margin-left: 0.25em;
}

.stat-label {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--muted-gray);
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* === Redacted Bars === */
.redacted-bar {
    height: 4px;
    background-color: var(--parchment);
    width: 60%;
    margin-top: 1.5rem;
    opacity: 0.6;
}

.redacted-bar.wide {
    width: 80%;
    height: 12px;
    margin-top: 1rem;
    background-color: var(--dark-gray);
}

.redacted-bar.delay {
    width: 65%;
    animation-delay: 0.2s;
}

.redacted-bar.delay-2 {
    width: 45%;
    animation-delay: 0.4s;
}

.redacted-word {
    color: var(--muted-gray);
    letter-spacing: 0.05em;
}

/* === Scroll Indicator === */
.scroll-indicator {
    text-align: right;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background-color: var(--muted-gray);
    margin-left: auto;
    margin-top: 1rem;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.3); transform-origin: top; }
}

/* === Shipping Lanes === */
.shipping-lanes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.3;
}

.lane {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    animation: drawLane 4s ease-out forwards;
}

.lane-2 { animation-delay: 0.5s; }
.lane-3 { animation-delay: 1s; }

@keyframes drawLane {
    to { stroke-dashoffset: 0; }
}

/* === Data Grid === */
.data-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.data-cell {
    border-left: 2px solid var(--mid-gray);
    padding-left: 1.5rem;
}

.data-value {
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--parchment);
    display: block;
}

.data-unit {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted-gray);
    display: block;
}

.data-desc {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--muted-gray);
    display: block;
}

/* === Redacted Block === */
.redacted-block {
    border-left: 3px solid var(--parchment);
    padding-left: 2rem;
    position: relative;
}

.redacted-block::before {
    content: 'CLASSIFIED';
    position: absolute;
    top: -1.5rem;
    left: 2rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--muted-gray);
}

.redacted-text {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--warm-white);
}

/* === Network Canvas === */
#network-canvas {
    width: 100%;
    max-width: 500px;
    height: 400px;
    opacity: 0.7;
}

/* === Chokepoint List === */
.chokepoint-list {
    margin-top: 4vh;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.chokepoint-item {
    display: grid;
    grid-template-columns: 60px 1fr 1fr;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--dark-gray);
    position: relative;
    cursor: default;
    transition: background-color 0.3s ease;
}

.chokepoint-item:hover {
    background-color: var(--dark-gray);
}

.chokepoint-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--muted-gray);
    letter-spacing: 0.1em;
}

.chokepoint-name {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--parchment);
    letter-spacing: 0.02em;
}

.chokepoint-stat {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted-gray);
    text-align: right;
    letter-spacing: 0.05em;
}

.chokepoint-bar {
    position: absolute;
    bottom: 0;
    left: 60px;
    height: 2px;
    background-color: var(--parchment);
    width: 0;
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0.4;
}

.chokepoint-item.visible .chokepoint-bar {
    /* width set by JS */
}

/* === Testimony === */
.testimony-block {
    position: relative;
    padding-left: 2rem;
}

.testimony-mark {
    font-family: var(--font-display);
    font-size: 6rem;
    line-height: 0.8;
    color: var(--mid-gray);
    position: absolute;
    top: -0.5rem;
    left: -1rem;
}

.testimony-text {
    font-family: var(--font-body);
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.7;
    color: var(--parchment);
    max-width: 480px;
}

.testimony-attr {
    display: block;
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--muted-gray);
}

/* === Verdict Section === */
.manifest-5 {
    border-bottom: none;
}

.verdict-content {
    text-align: center;
}

.verdict-heading {
    font-size: clamp(2.5rem, 6vw, 5.5rem);
}

.verdict-line {
    width: 120px;
    height: 2px;
    background-color: var(--parchment);
    margin: 3rem auto;
    opacity: 0.5;
}

.verdict-footer {
    margin-top: 2rem;
}

/* === Scroll Reveal Animation === */
.manifest-page {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.manifest-1 {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 768px) {
    .z-row {
        grid-template-columns: 1fr;
        gap: 3vh;
    }

    .stat-block {
        text-align: left;
    }

    .chokepoint-item {
        grid-template-columns: 40px 1fr;
        gap: 0.5rem;
    }

    .chokepoint-stat {
        grid-column: 2;
        text-align: left;
    }

    .scroll-indicator {
        text-align: left;
    }

    .scroll-line {
        margin-left: 0;
    }

    .manifest-page {
        padding: 4vh 5vw;
    }
}