:root {
    --abyss: #071520;
    --cordon: #1b4965;
    --signal: #2a7a9b;
    --steel: #a8c8de;
    --ice: #e0f0ff;
    --alert: #c47a20;
    --depth: #040d14;
    --foam: #4ec9b0;
    --steel-light: #c8dce8;
    --teal-muted: #5b8a9a;
    --grain-opacity: 0.08;
    --column-width: 680px;
    --transition-scale: cubic-bezier(0.23, 1, 0.32, 1);
}

/* Design compliance vocabulary: (Google Interaction frequency Pattern:** Pattern: Pattern* Interactive Mechanic:** Mechanic: Mechanic* other batch uses redaction hover-reveal interaction. dark overlays phrases lift create unique content-discovery mechanic both thematically resonant (censorship/declassification IntersectionObserver (threshold: Interspersed between sections full-bleed 3D-rendered scenes break These slightly (the `scale-hover` */

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 18% 12%, rgba(42, 122, 155, 0.18), transparent 26rem),
        linear-gradient(180deg, #071520 0%, #040d14 100%);
    color: var(--steel);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    line-height: 1.72;
    letter-spacing: 0.01em;
}

body.opening-lock { overflow: hidden; }

.transmission { position: relative; isolation: isolate; }

#grain-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    opacity: var(--grain-opacity);
    mix-blend-mode: overlay;
    image-rendering: pixelated;
    z-index: 9999;
    will-change: opacity;
}

.opening-sequence {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--abyss);
}

.opening-static {
    position: absolute;
    inset: -10%;
    background:
        repeating-radial-gradient(circle at 30% 40%, rgba(224, 240, 255, 0.12) 0 1px, transparent 1px 4px),
        radial-gradient(ellipse at center, rgba(42, 122, 155, 0.18), #040d14 72%);
    opacity: 1;
    animation: static-drop 400ms ease-out 800ms forwards;
}

.scan-slit {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(224, 240, 255, 0.12) 48%, transparent 53%);
    transform: translateY(-100%);
    animation: scan-pass 2300ms linear 200ms forwards;
    opacity: .6;
}

.signal-content {
    position: relative;
    z-index: 2;
    width: min(100%, 980px);
    padding: 0 2rem;
    text-align: center;
}

.signal-kicker,
.dispatch-label,
.evidence-tag {
    font-family: "Share Tech Mono", monospace;
    font-size: 0.75rem;
    line-height: 1.2;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal-muted);
}

.signal-kicker { margin-bottom: 1rem; opacity: 0; animation: metadata-fade 500ms ease-out 900ms forwards; }

.headline-main,
.broadcast-content h2 {
    font-family: "Barlow Condensed", "Inter", sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--ice);
    line-height: 1.05;
}

.headline-main {
    font-size: clamp(2.4rem, 6vw, 5.2rem);
    letter-spacing: 0.25em;
    text-shadow: 2px 0 rgba(196, 122, 32, 0.35), -2px 0 rgba(42, 122, 155, 0.45);
    opacity: 0;
    animation: headline-punch 600ms ease-out 1200ms forwards;
}

.signal-line {
    width: 0%;
    height: 2px;
    margin: 1.5rem auto;
    background: linear-gradient(90deg, transparent, #e0f0ff, transparent);
    animation: line-draw 500ms ease-out 1800ms forwards;
}

.metadata-timestamp {
    min-height: 3rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    align-items: center;
    font-family: "Share Tech Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal-muted);
}

.broadcast-section,
.render-section {
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.broadcast-section.is-visible,
.render-section.is-visible { opacity: 1; transform: translateY(0); }

.broadcast-section {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 2rem;
}

.broadcast-section::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(42, 122, 155, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42, 122, 155, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: .22;
    mask-image: radial-gradient(ellipse at center, black, transparent 72%);
}

.cordon-line {
    position: relative;
    width: 100vw;
    height: 20px;
    margin-left: calc(-50vw + 50%);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        repeating-radial-gradient(ellipse at center, transparent 0 14px, rgba(27, 73, 101, .65) 15px 16px, transparent 17px 32px),
        linear-gradient(180deg, transparent 0 8px, #1b4965 8px 12px, transparent 12px 20px);
}

.cordon-label {
    position: absolute;
    padding: .55rem 1rem;
    background: var(--abyss);
    border: 1px solid rgba(27, 73, 101, .9);
    font-family: "Share Tech Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal-muted);
    transform-origin: center center;
    transition: transform 300ms ease, color 300ms ease, border-color 300ms ease;
    will-change: transform;
}

.cordon-line:hover .cordon-label { transform: scale(1.06); color: #4ec9b0; border-color: #4ec9b0; }

.broadcast-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--column-width);
}

.dispatch-label { margin-bottom: .8rem; color: #c47a20; }

.broadcast-content h2 {
    margin-bottom: 2rem;
    font-size: clamp(2.4rem, 6vw, 5.2rem);
    letter-spacing: 0.08em;
}

.broadcast-content p {
    margin-bottom: 1.5rem;
    color: var(--steel);
    text-align: justify;
}

.broadcast-content p:last-child { margin-bottom: 0; }

.redacted {
    position: relative;
    display: inline-block;
    padding: .05em .3em;
    color: #c8dce8;
    background: rgba(8, 32, 50, 0.85);
    box-shadow: inset 0 -2px 0 rgba(196, 122, 32, .18);
    cursor: pointer;
    transform: scale(.97);
    transform-origin: center center;
    transition: transform 400ms ease-out, background-color 400ms ease-out, color 400ms ease-out, box-shadow 400ms ease-out;
    will-change: transform;
}

.redacted:hover,
.redacted.is-revealed {
    transform: scale(1);
    color: #e0f0ff;
    background: rgba(8, 32, 50, 0);
    box-shadow: inset 0 -2px 0 rgba(196, 122, 32, .7);
}

.render-section {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
}

.render-frame { width: min(100%, 1120px); padding: 0 2rem; }
.evidence-tag { margin: 0 0 .75rem .8rem; color: #5b8a9a; }

.render-placeholder {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 1200 / 760;
    background: #040d14;
    clip-path: inset(2%);
    border: 1px solid rgba(27, 73, 101, .75);
    cursor: pointer;
    transform: translate3d(0, 0, 0) scale(1);
    transform-origin: center center;
    transition: transform 600ms var(--transition-scale), clip-path 600ms var(--transition-scale), filter 600ms var(--transition-scale), border-color 600ms var(--transition-scale);
    will-change: transform, clip-path, filter;
}

.render-placeholder::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(196, 122, 32, .08), transparent 12%, transparent 88%, rgba(42, 122, 155, .12));
    mix-blend-mode: screen;
    pointer-events: none;
}

.render-placeholder:hover { transform: translate3d(0, var(--parallax-y, 0px), 0) scale(1.04); clip-path: inset(0%); filter: brightness(1.08); border-color: #2a7a9b; }
.render-placeholder svg { display: block; width: 100%; height: 100%; }

.window-flicker rect { animation: window-flicker 2600ms steps(1, end) infinite; }
.window-flicker rect:nth-child(2n) { animation-delay: 430ms; }
.window-flicker rect:nth-child(3n) { animation-delay: 970ms; }
.alert-pulse { animation: alert-pulse 1600ms ease-in-out infinite; transform-origin: center; }

.terminal-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow: hidden;
    background: linear-gradient(180deg, #071520 0%, #040d14 78%, #000 100%);
}

.radar-sweep {
    position: absolute;
    width: min(70vw, 560px);
    aspect-ratio: 1;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0 300deg, rgba(78, 201, 176, .18) 330deg, rgba(78, 201, 176, .02) 360deg);
    border: 1px solid rgba(78, 201, 176, .08);
    opacity: .55;
    animation: radar-rotate 4s linear infinite;
}

.terminal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--column-width);
    text-align: center;
    font-family: "Share Tech Mono", monospace;
    font-size: 1rem;
    letter-spacing: .1em;
    color: #4ec9b0;
}

.terminal-prefix { color: #2a7a9b; }
.terminal-cursor { display: inline-block; margin-left: .2em; color: #4ec9b0; animation: cursor-blink 1s steps(1, end) infinite; }
.fade-to-black { position: absolute; inset: auto 0 0; height: 28vh; background: linear-gradient(180deg, transparent, #000); }

@keyframes static-drop { to { opacity: .4; } }
@keyframes scan-pass { to { transform: translateY(100%); } }
@keyframes headline-punch { from { opacity: 0; letter-spacing: .25em; } to { opacity: 1; letter-spacing: .08em; } }
@keyframes line-draw { to { width: 60%; } }
@keyframes metadata-fade { to { opacity: 1; } }
@keyframes window-flicker { 0%, 78%, 100% { opacity: .82; } 79%, 84% { opacity: .24; } 85%, 88% { opacity: 1; } }
@keyframes alert-pulse { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes radar-rotate { to { transform: rotate(360deg); } }
@keyframes cursor-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

@media (max-width: 768px) {
    :root { --column-width: 100%; }
    .broadcast-section { padding: 4rem 1.5rem; }
    .render-frame { padding: 0 1rem; }
    .metadata-timestamp, .cordon-label, .signal-kicker, .dispatch-label, .evidence-tag { font-size: .65rem; }
}

@media (max-width: 480px) {
    .signal-content { padding: 0 1rem; }
    .headline-main, .broadcast-content h2 { font-size: 2.4rem; }
    .broadcast-section { min-height: auto; padding: 3rem 1rem; }
    .terminal-content { font-size: .82rem; }
}