:root {
    /* Interactive elements */
    --midnight: #0d1b2a;
    --dusk: #1b2838;
    --fog: #243447;
    --bruise: #162033;
    --cyan: #5ce1e6;
    --pink: #ff6b9d;
    --mustard: #ffd166;
    --ice: #e8f0ff;
    --mist: #b0c4de;
    --slate: #8899aa;
    --display: "Grandstander", cursive;
    --body: "Nunito", sans-serif;
    --ui: "Baloo 2", sans-serif;
    --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: #000000; }
body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 4px),
        radial-gradient(circle at 15% 10%, rgba(92, 225, 230, 0.08), transparent 24rem),
        radial-gradient(circle at 85% 28%, rgba(255, 107, 157, 0.08), transparent 20rem),
        var(--midnight);
    color: var(--mist);
    font-family: var(--body);
    font-size: clamp(1rem, 1.1vw + 0.5rem, 1.2rem);
    font-weight: 400;
    line-height: 1.72;
    letter-spacing: 0.01em;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.15;
    background-image: radial-gradient(circle, #1b2838 2px, transparent 2.5px);
    background-size: 18px 18px;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 54%, rgba(0,0,0,0.32));
    mix-blend-mode: multiply;
}

main, .cassette-menu, .cassette-nav { position: relative; z-index: 5; }

.boot-blackout {
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: #000000;
    pointer-events: none;
    animation: blackout-lift 1ms linear 1100ms forwards;
}

.opening-scan {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 9001;
    background: var(--cyan);
    box-shadow: 0 0 22px var(--cyan), 0 0 70px rgba(92,225,230,0.45);
    transform: translateY(-4px);
    pointer-events: none;
    animation: scan-reveal 800ms ease-in-out 300ms forwards;
}

.scan-overlay {
    position: fixed;
    inset: 0;
    z-index: 9002;
    pointer-events: none;
    opacity: 0.03;
    background: repeating-linear-gradient(0deg, #e8f0ff 0 1px, transparent 1px 4px);
}

@keyframes blackout-lift { to { opacity: 0; visibility: hidden; } }
@keyframes scan-reveal { from { transform: translateY(0); } to { transform: translateY(100vh); opacity: 0; } }

.track { width: 100%; padding: clamp(2rem, 5vh, 4rem) 0; }
.track-column { max-width: 640px; margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); }
.track-column-narrow { max-width: 480px; }
.track-label {
    margin-bottom: 1.25rem;
    color: var(--slate);
    font-family: var(--ui);
    font-size: clamp(0.8rem, 1vw, 1rem);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.signal-track {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: clamp(4rem, 10vh, 8rem) 1rem;
    text-align: center;
}
.hero-content { max-width: 640px; }
.title {
    color: var(--ice);
    font-family: var(--display);
    font-size: clamp(2.2rem, 5.5vw, 4.8rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    text-shadow: 0.035em 0 var(--pink), -0.035em 0 var(--cyan), 0 0 24px rgba(232,240,255,0.2);
}
.title .letter {
    display: inline-block;
    opacity: 0;
    transform: scale(1.1) translateY(0.2em);
    animation: letter-arrive 420ms var(--bounce) forwards;
}
.subtitle {
    min-height: 2.2em;
    margin-top: 1rem;
    color: var(--pink);
    font-family: var(--body);
    font-size: clamp(1rem, 1.5vw + 0.5rem, 1.5rem);
    letter-spacing: 0.05em;
}
.subtitle::after { content: "_"; color: var(--cyan); animation: blink 1s steps(1) infinite; }
@keyframes letter-arrive { to { opacity: 1; transform: scale(1) translateY(0); } }

.svg-divider { max-width: 640px; height: 48px; margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); color: var(--cyan); }
.svg-divider svg { width: 100%; height: 100%; overflow: visible; }
.svg-divider path { fill: none; stroke: currentColor; stroke-width: 4; stroke-linecap: round; filter: drop-shadow(0 0 8px rgba(92,225,230,0.35)); }
.svg-divider.hot { color: var(--pink); }

.collection-track, .liner-track, .signoff-track { padding: clamp(4rem, 10vh, 8rem) 0; }
.icon-card {
    width: 100%;
    margin-bottom: 2rem;
    padding: clamp(2rem, 6vw, 3rem) 2rem;
    border: 2px solid rgba(92,225,230,0.12);
    border-radius: 24px;
    background:
        radial-gradient(circle at 20% 0%, rgba(92,225,230,0.1), transparent 12rem),
        linear-gradient(180deg, #1b2838, #162033);
    color: var(--cyan);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.35rem;
    text-align: center;
    transform: scaleY(0.01);
    transform-origin: center top;
    opacity: 0;
    transition: transform 760ms var(--bounce), opacity 460ms ease, background-color 300ms ease, border-color 300ms ease;
}
.icon-card.in-view { opacity: 1; transform: scaleY(1); }
.icon-card:hover { border-color: rgba(255,107,157,0.7); background-color: var(--fog); }
.icon-card p { max-width: 32rem; color: var(--mist); }

.rounded-icon, .burst-icon, .closing-icon, .inline-icon, .cassette-icon {
    fill: none;
    stroke: currentColor;
    stroke-width: 3px;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.rounded-icon { width: 96px; height: 96px; transition: transform 600ms var(--smooth), color 600ms var(--smooth); }
.rounded-icon circle { fill: none; }
.morph-hover .morph-box { transition: d 600ms var(--smooth), rx 600ms var(--smooth), transform 600ms var(--smooth); }
.icon-card:hover .rounded-icon { transform: scale(1.1) rotate(-2deg); color: var(--pink); }

.tracking-noise {
    position: relative;
    height: 54px;
    overflow: hidden;
    background: var(--midnight);
    border-top: 1px solid rgba(232,240,255,0.04);
    border-bottom: 1px solid rgba(232,240,255,0.04);
}
.tracking-noise span { display: block; height: 9px; margin: 1px 0; background: linear-gradient(90deg, transparent, rgba(92,225,230,0.3), rgba(255,107,157,0.24), transparent); }
.tracking-noise span:nth-child(1) { transform: translateX(-4%); animation: twitch-a 950ms steps(2) infinite; }
.tracking-noise span:nth-child(2) { transform: translateX(7%); animation: twitch-b 730ms steps(2) infinite; }
.tracking-noise span:nth-child(3) { transform: translateX(-12%); animation: twitch-a 620ms steps(2) infinite; }
.tracking-noise span:nth-child(4) { transform: translateX(3%); animation: twitch-b 880ms steps(2) infinite; }
.tracking-noise span:nth-child(5) { transform: translateX(-8%); animation: twitch-a 540ms steps(2) infinite; }
@keyframes twitch-a { 50% { transform: translateX(11%); } }
@keyframes twitch-b { 50% { transform: translateX(-9%); } }

.burst {
    min-height: 100vh;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: clamp(4rem, 10vh, 8rem) 1rem;
}
.static-burst {
    background-color: var(--midnight);
    background-image: radial-gradient(circle, rgba(92,225,230,0.55) 2px, transparent 3px), radial-gradient(circle, rgba(255,209,102,0.18) 1px, transparent 2px);
    background-size: 26px 26px, 44px 44px;
    animation: halftone-shift 6s steps(8) infinite;
}
@keyframes halftone-shift { 50% { background-position: 18px 10px, -22px 16px; } }
.burst-content { display: flex; flex-direction: column; align-items: center; gap: 2rem; text-align: center; }
.crt-shell {
    position: relative;
    padding: 20px 20px 42px;
    border: 4px solid var(--cyan);
    border-radius: 24px;
    background: #1b2838;
    color: var(--cyan);
    box-shadow: 0 0 0 8px rgba(13,27,42,0.75), 0 0 40px rgba(92,225,230,0.45);
}
#static-canvas { display: block; width: min(62vw, 320px); height: auto; image-rendering: pixelated; border-radius: 12px; background: #000; }
.crt-knobs { position: absolute; left: 0; right: 0; bottom: 12px; display: flex; justify-content: center; gap: 12px; }
.crt-knobs i { width: 10px; height: 10px; border: 2px solid var(--cyan); border-radius: 50%; }
.burst-text {
    max-width: 720px;
    color: var(--mustard);
    font-family: var(--display);
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-shadow: 0 0 22px rgba(255,209,102,0.28);
}

.body-text { margin-bottom: 1.6rem; color: var(--mist); }
.highlight { color: var(--cyan); border-bottom: 2px solid var(--pink); font-weight: 600; }
.inline-icon { width: 24px; height: 24px; color: var(--mustard); vertical-align: middle; margin: 0 0.1em; }

.sweep-burst {
    background: linear-gradient(135deg, #0d1b2a, #243447, #162033, #0d1b2a);
    background-size: 300% 300%;
    animation: frequency-sweep 8s ease-in-out infinite;
}
@keyframes frequency-sweep { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.morph-stack { display: flex; flex-direction: column; align-items: center; gap: clamp(2rem, 7vh, 4rem); }
.burst-icon { width: clamp(84px, 18vw, 140px); height: clamp(84px, 18vw, 140px); filter: drop-shadow(0 0 20px currentColor); animation: icon-loop 4s var(--smooth) infinite; }
.icon-one { color: var(--cyan); }
.icon-two { color: var(--pink); animation-delay: -1.3s; }
.icon-three { color: var(--mustard); animation-delay: -2.6s; }
@keyframes icon-loop { 0%,100% { transform: scale(1) rotate(-2deg); } 50% { transform: scale(1.22) rotate(5deg); } }

.signoff-track { text-align: center; }
.closing-text {
    margin-bottom: 2rem;
    color: var(--ice);
    font-family: var(--display);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}
.closing-icon { width: 60px; height: 60px; margin: 1rem auto 2rem; color: var(--cyan); animation: spin 8s linear infinite; }
.closing-icon circle { fill: none; }
.footer-text { color: var(--slate); font-family: var(--ui); font-size: 0.9rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; }
.cursor { color: var(--cyan); animation: blink 1s steps(1) infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blink { 50% { opacity: 0; } }

.cassette-menu {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    z-index: 100;
    width: 64px;
    height: 64px;
    border: 2px solid var(--cyan);
    border-radius: 50%;
    background: var(--dusk);
    color: var(--cyan);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: width 400ms var(--bounce), border-radius 400ms var(--bounce), background-color 300ms ease, transform 300ms var(--bounce);
}
.cassette-menu:hover { transform: scale(1.08); background: var(--fog); }
.cassette-menu.active { width: 214px; border-radius: 18px; background: var(--fog); }
.cassette-icon { width: 42px; height: 42px; transition: transform 400ms var(--bounce), opacity 300ms ease; }
.cassette-icon circle { fill: none; }
.cassette-menu.active .cassette-icon { transform: translateX(-70px) rotate(90deg) scale(0.78); opacity: 0.78; }
.cassette-nav {
    position: fixed;
    right: 2.75rem;
    bottom: 2.55rem;
    z-index: 101;
    display: flex;
    gap: 0.35rem;
    flex-direction: column;
    pointer-events: none;
    opacity: 0;
    transform: scaleX(0.2);
    transform-origin: right center;
    transition: opacity 220ms ease, transform 400ms var(--bounce);
}
.cassette-nav.active { opacity: 1; transform: scaleX(1); pointer-events: auto; }
.cassette-nav a {
    color: var(--cyan);
    font-family: var(--ui);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    line-height: 1;
    text-decoration: none;
    text-transform: uppercase;
    transition: color 200ms ease, transform 200ms ease;
}
.cassette-nav a:hover { color: var(--pink); transform: translateX(-3px); }

@media (max-width: 640px) {
    .cassette-menu { right: 1rem; bottom: 1rem; }
    .cassette-nav { right: 1.75rem; bottom: 1.55rem; }
    .cassette-menu.active { width: 188px; }
    .cassette-menu.active .cassette-icon { transform: translateX(-58px) rotate(90deg) scale(0.72); }
    .rounded-icon { width: 82px; height: 82px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
    .icon-card { opacity: 1; transform: none; }
}