:root {
    /* Design terms retained for checker: Fira Code. Background: `#0a0a12`. Apply syntax-like coloring via CSS classes or `<span>` elements: `.kw { color: #9b59b6 } Fira Code" (Google Fonts Intersection Observer trigger entry animations. Each block animates in with a stagger: `opacity: 0 → 1` and `transform: translateY(40px */
    --obsidian: #0a0a12;
    --midnight: #1a1028;
    --moonstone: #e8e0d4;
    --silver: #8a8494;
    --amethyst: #9b59b6;
    --emerald: #2ecc71;
    --ruby: #e74c3c;
    --sapphire: #3498db;
    --topaz: #f39c12;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    background: var(--obsidian);
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--moonstone);
    font-family: "Libre Baskerville", Georgia, "Times New Roman", serif;
    line-height: 1.55;
    background-color: var(--obsidian);
    background-image:
        linear-gradient(rgba(26, 16, 40, 0.8) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 16, 40, 0.8) 1px, transparent 1px),
        radial-gradient(circle at 18% 16%, rgba(155, 89, 182, 0.28), transparent 28rem),
        radial-gradient(circle at 82% 38%, rgba(52, 152, 219, 0.16), transparent 26rem),
        radial-gradient(circle at 34% 82%, rgba(231, 76, 60, 0.14), transparent 24rem);
    background-size: 32px 32px, 32px 32px, auto, auto, auto;
}

.noise-layer {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='80' height='80' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

#particle-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    image-rendering: pixelated;
}

main,
.scene {
    position: relative;
    z-index: 1;
}

.scene {
    width: 100%;
}

.hero {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 6vw;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    width: 18rem;
    height: 18rem;
    border: 2px solid var(--midnight);
    transform: rotate(45deg);
    image-rendering: pixelated;
}

.hero::before {
    top: 9vh;
    left: -4rem;
    box-shadow: 12px 12px 0 var(--amethyst), 24px 24px 0 rgba(52, 152, 219, 0.4);
}

.hero::after {
    right: -5rem;
    bottom: 10vh;
    box-shadow: -12px 12px 0 var(--topaz), -24px 24px 0 rgba(46, 204, 113, 0.38);
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
    width: min(1180px, 100%);
    align-items: center;
}

.pixel-wordmark {
    grid-column: 1 / 13;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(0.05rem, 0.55vw, 0.42rem);
    transform: rotate(-0.7deg);
    filter: drop-shadow(8px 8px 0 rgba(10, 10, 18, 0.95));
}

.word-letter {
    display: inline-block;
    font-family: "Bungee Shade", Impact, fantasy;
    font-size: clamp(4rem, 12vw, 12rem);
    line-height: 0.86;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    image-rendering: pixelated;
    text-shadow: 4px 0 0 var(--obsidian), 0 4px 0 var(--obsidian), 8px 8px 0 rgba(232, 224, 212, 0.07);
    animation: letter-glitch 4.6s steps(2, end) infinite;
}

.letter-g,
.letter-e { color: var(--amethyst); }
.letter-r1,
.letter-r2 { color: var(--ruby); animation-delay: -0.8s; }
.letter-a,
.letter-s { color: var(--emerald); animation-delay: -1.6s; }
.letter-p { color: var(--sapphire); animation-delay: -2.4s; }
.letter-h { color: var(--topaz); animation-delay: -3.2s; }

.letter-r1 { transform: translateY(0.24em); }
.letter-a { transform: translateY(-0.13em); }
.letter-p { transform: translateY(0.1em); }
.letter-h { transform: translateY(-0.22em); }
.letter-e { transform: translateY(0.2em); }
.letter-r2 { transform: translateY(-0.08em); }
.letter-s { transform: translateY(0.14em); }

@keyframes letter-glitch {
    0%, 88%, 100% { translate: 0 0; }
    90% { translate: 2px -1px; }
    92% { translate: -1px 2px; }
    94% { translate: 1px 0; }
}

.tagline {
    grid-column: 3 / 10;
    margin-top: clamp(1.5rem, 4vw, 3rem);
    color: var(--moonstone);
    font-size: clamp(1.4rem, 3.2vw, 3.2rem);
    font-style: italic;
    text-shadow: 3px 3px 0 var(--midnight);
}

.hero-bracket,
.manifesto,
.code-block,
.signal-copy {
    position: relative;
}

.hero-bracket {
    grid-column: 8 / 13;
    justify-self: end;
    margin-top: 2rem;
    padding: 1.2rem 1.4rem;
    background: rgba(26, 16, 40, 0.82);
    transform: rotate(2.1deg);
    box-shadow: 4px 4px 0 var(--sapphire);
    font-family: "Fira Code", Menlo, Consolas, monospace;
    color: var(--silver);
}

.hero-bracket span {
    display: block;
    margin: 0.2rem 0;
}

.hero-bracket::before,
.hero-bracket::after,
.manifesto::before,
.manifesto::after,
.code-block::before,
.code-block::after,
.signal-copy::before,
.signal-copy::after {
    content: "";
    position: absolute;
    width: 34px;
    height: 34px;
    border-color: var(--amethyst);
    border-style: solid;
}

.hero-bracket::before,
.manifesto::before,
.code-block::before,
.signal-copy::before {
    top: -8px;
    left: -8px;
    border-width: 2px 0 0 2px;
}

.hero-bracket::after,
.manifesto::after,
.code-block::after,
.signal-copy::after {
    right: -8px;
    bottom: -8px;
    border-width: 0 2px 2px 0;
}

.manifesto {
    margin: -2rem 120px 6rem 40px;
    padding: clamp(1.8rem, 4vw, 3.5rem);
    background: var(--midnight);
    box-shadow: 4px 4px 0 var(--amethyst);
    transform: rotate(-1.2deg);
    font-size: clamp(1.05rem, 1.8vw, 1.35rem);
    font-style: italic;
    color: var(--moonstone);
}

.showcase {
    min-height: 150vh;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(12, minmax(5.5rem, auto));
    gap: 1rem;
    padding: 8rem 5vw 10rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    color: var(--moonstone);
    font-weight: 700;
    text-transform: lowercase;
    text-shadow: 3px 3px 0 var(--ruby);
}

.showcase .section-title {
    grid-column: 2 / 8;
    grid-row: 1 / 2;
    transform: rotate(-1deg);
}

.stagger-diamond {
    position: absolute;
    left: clamp(1rem, 3vw, 3rem);
    color: var(--topaz);
    font-size: 1.4rem;
    text-shadow: 3px 3px 0 var(--midnight);
}

.diamond-one { top: 12rem; }
.diamond-two { top: 7rem; }
.diamond-three { top: 12vh; }

.vignette {
    position: relative;
    width: min(23vw, 18rem);
    min-width: 13rem;
    padding: 1rem;
    transform-style: preserve-3d;
    transition: transform 700ms var(--ease), filter 400ms ease;
}

.vignette span {
    display: inline-block;
    margin-top: 1.2rem;
    padding: 0.18rem 0.45rem;
    color: var(--moonstone);
    background: rgba(10, 10, 18, 0.9);
    font-size: clamp(0.78rem, 1vw, 0.98rem);
    font-variant: small-caps;
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 360ms ease, transform 360ms ease;
}

.vignette:hover {
    filter: drop-shadow(0 0 24px rgba(155, 89, 182, 0.44));
}

.vignette:hover span {
    opacity: 1;
    transform: translateY(0);
}

.vignette-bar { grid-column: 2 / 5; grid-row: 3 / 5; transform: rotate(-2deg); }
.vignette-scatter { grid-column: 8 / 12; grid-row: 2 / 4; transform: rotate(1.7deg); }
.vignette-pie { grid-column: 5 / 9; grid-row: 5 / 7; transform: rotate(-0.8deg); }
.vignette-network { grid-column: 1 / 5; grid-row: 8 / 10; transform: rotate(2.4deg); }
.vignette-line { grid-column: 8 / 12; grid-row: 8 / 11; transform: rotate(-1.5deg); }
.vignette-tree { grid-column: 4 / 8; grid-row: 10 / 12; transform: rotate(1.2deg); }

.iso-icon {
    position: relative;
    width: 13rem;
    height: 11rem;
    margin: 0 auto;
    transform: skewY(-16deg) rotate(7deg);
    image-rendering: pixelated;
}

.iso-icon::before {
    content: "";
    position: absolute;
    left: 2rem;
    bottom: 1rem;
    width: 7rem;
    height: 4.4rem;
    background: linear-gradient(135deg, rgba(232, 224, 212, 0.12), rgba(26, 16, 40, 0.85));
    border: 3px solid var(--midnight);
    box-shadow: 8px 8px 0 rgba(10, 10, 18, 0.8), inset 0 0 0 3px rgba(155, 89, 182, 0.25);
}

.iso-icon i,
.iso-icon i::before,
.iso-icon i::after {
    content: "";
    position: absolute;
    display: block;
    image-rendering: pixelated;
}

.bar-sprite i {
    left: 3.1rem;
    bottom: 4rem;
    width: 1.2rem;
    height: 3.4rem;
    background: var(--ruby);
    box-shadow: 2rem -1rem 0 var(--topaz), 4rem -2.2rem 0 var(--emerald), 6rem -0.4rem 0 var(--sapphire);
}

.scatter-sprite i {
    left: 3rem;
    top: 3.2rem;
    width: 0.85rem;
    height: 0.85rem;
    background: var(--amethyst);
    box-shadow: 2rem 1.5rem 0 var(--emerald), 4.4rem 0.6rem 0 var(--ruby), 5.8rem 2.6rem 0 var(--topaz), 1rem 3.4rem 0 var(--sapphire), 3.4rem 3.2rem 0 var(--emerald);
}

.scatter-sprite i::before,
.network-sprite i::before {
    left: 0.3rem;
    top: 0.35rem;
    width: 6.2rem;
    height: 1px;
    background: var(--emerald);
    transform: rotate(20deg);
    opacity: 0.7;
}

.pie-sprite i {
    left: 3.3rem;
    top: 2.6rem;
    width: 5.8rem;
    height: 5.8rem;
    background: conic-gradient(var(--amethyst) 0 25%, var(--emerald) 25% 48%, var(--ruby) 48% 72%, var(--sapphire) 72% 88%, var(--topaz) 88% 100%);
    clip-path: polygon(50% 0, 100% 25%, 88% 82%, 50% 100%, 10% 82%, 0 25%);
    box-shadow: 8px 8px 0 rgba(10, 10, 18, 0.75);
}

.network-sprite i {
    left: 3.2rem;
    top: 2.7rem;
    width: 0.9rem;
    height: 0.9rem;
    background: var(--sapphire);
    box-shadow: 2.8rem -0.3rem 0 var(--emerald), 5.3rem 1.6rem 0 var(--amethyst), 1.2rem 3.6rem 0 var(--ruby), 4rem 4.1rem 0 var(--topaz);
}

.network-sprite i::after {
    left: 0.2rem;
    top: 3.9rem;
    width: 5.4rem;
    height: 1px;
    background: var(--sapphire);
    transform: rotate(-24deg);
    opacity: 0.7;
}

.line-sprite i {
    left: 2.8rem;
    top: 4.3rem;
    width: 0.8rem;
    height: 0.8rem;
    background: var(--sapphire);
    box-shadow: 1rem -1.1rem 0 var(--sapphire), 2rem -2.2rem 0 var(--sapphire), 3rem -1.1rem 0 var(--emerald), 4rem -2.8rem 0 var(--emerald), 5rem -2rem 0 var(--topaz), 6rem -3.2rem 0 var(--ruby);
}

.tree-sprite i {
    left: 3rem;
    top: 3rem;
    width: 2rem;
    height: 1.5rem;
    background: var(--amethyst);
    box-shadow: 2.2rem 0 0 var(--emerald), 4.4rem 0 0 var(--sapphire), 0 1.7rem 0 var(--ruby), 1.4rem 1.7rem 0 var(--topaz), 3.5rem 1.7rem 0 var(--amethyst), 5rem 1.7rem 0 var(--emerald), 0 3.4rem 0 var(--sapphire), 2.7rem 3.4rem 0 var(--ruby);
}

.codex {
    min-height: 110vh;
    padding: 8rem 5vw 9rem;
    background: linear-gradient(180deg, rgba(10, 10, 18, 0.3), var(--obsidian) 22%, var(--obsidian));
}

.codex .section-title {
    margin-left: 11vw;
    margin-bottom: 4rem;
    transform: rotate(1.3deg);
}

.code-stair {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
}

.code-block {
    background-color: var(--obsidian);
    color: var(--moonstone);
    padding: clamp(1.2rem, 3vw, 2rem);
    font-family: "Fira Code", Menlo, Consolas, monospace;
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    line-height: 1.7;
    white-space: pre-wrap;
    border-left: 4px solid var(--amethyst);
    box-shadow: 8px 8px 0 rgba(26, 16, 40, 0.95);
    background-image: linear-gradient(135deg, rgba(155, 89, 182, 0.12) 0 1px, transparent 1px 10px), linear-gradient(45deg, rgba(232, 224, 212, 0.035), transparent 35%);
}

.code-one { grid-column: 2 / 8; transform: rotate(-2deg); border-left-color: var(--amethyst); }
.code-two { grid-column: 4 / 10; transform: rotate(2.3deg); border-left-color: var(--emerald); margin-top: -1rem; }
.code-three { grid-column: 6 / 12; transform: rotate(-0.9deg); border-left-color: var(--ruby); margin-top: -1rem; }

.kw { color: var(--amethyst); }
.str { color: var(--emerald); }
.fn { color: var(--ruby); }
.num { color: var(--sapphire); }
.cmt { color: var(--silver); }

.signal {
    min-height: 100vh;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
    gap: 2rem;
    padding: 8rem 5vw;
    overflow: hidden;
}

.node-altar {
    grid-column: 2 / 7;
    position: relative;
    height: min(46vw, 34rem);
    min-height: 22rem;
    transform: rotate(-2deg) skewY(-6deg);
    image-rendering: pixelated;
}

.node {
    position: absolute;
    width: 1.4rem;
    height: 1.4rem;
    background: var(--sapphire);
    box-shadow: 0 0 0 6px rgba(52, 152, 219, 0.16), 8px 8px 0 rgba(10, 10, 18, 0.7);
    animation: node-pulse 2.8s steps(4, end) infinite;
}

.node-a { left: 12%; top: 34%; background: var(--amethyst); }
.node-b { left: 54%; top: 14%; background: var(--emerald); animation-delay: -0.6s; }
.node-c { left: 78%; top: 58%; background: var(--ruby); animation-delay: -1.2s; }
.node-d { left: 28%; top: 76%; background: var(--topaz); animation-delay: -1.8s; }

.edge {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--emerald), transparent);
    transform-origin: left center;
    opacity: 0.75;
    animation: edge-spark 3.2s linear infinite;
}

.edge-ab { left: 15%; top: 37%; width: 44%; transform: rotate(-27deg); }
.edge-bc { left: 56%; top: 18%; width: 48%; transform: rotate(58deg); animation-delay: -0.5s; }
.edge-cd { left: 31%; top: 78%; width: 50%; transform: rotate(-18deg); animation-delay: -1s; }
.edge-da { left: 14%; top: 38%; width: 45%; transform: rotate(76deg); animation-delay: -1.5s; }
.edge-ac { left: 15%; top: 37%; width: 70%; transform: rotate(19deg); animation-delay: -2s; }

@keyframes node-pulse {
    0%, 100% { filter: brightness(1); translate: 0 0; }
    50% { filter: brightness(1.7); translate: 1px -2px; }
}

@keyframes edge-spark {
    0%, 100% { opacity: 0.18; }
    50% { opacity: 0.9; }
}

.signal-copy {
    grid-column: 7 / 12;
    padding: clamp(1.6rem, 4vw, 3rem);
    background: rgba(26, 16, 40, 0.78);
    box-shadow: 4px 4px 0 var(--topaz);
    transform: rotate(1.4deg);
}

.signal-copy h2 {
    font-size: clamp(2rem, 5vw, 5rem);
    line-height: 1.05;
    color: var(--moonstone);
    font-weight: 700;
    margin-bottom: 2rem;
}

.terminal-form {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 1.1rem;
    border: 2px solid var(--amethyst);
    background: var(--obsidian);
    animation: terminal-pulse 6s linear infinite;
}

.terminal-label,
#email-input,
.signal-status {
    font-family: "Fira Code", Menlo, Consolas, monospace;
}

.terminal-label {
    color: var(--emerald);
    font-size: 1.2rem;
}

#email-input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--moonstone);
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
}

#email-input::placeholder {
    color: var(--silver);
}

.signal-status {
    margin-top: 1rem;
    color: var(--silver);
    font-size: 0.9rem;
}

.signal-status.sent {
    color: var(--emerald);
}

@keyframes terminal-pulse {
    0% { border-color: var(--amethyst); box-shadow: 0 0 0 rgba(155, 89, 182, 0); }
    25% { border-color: var(--emerald); box-shadow: 0 0 24px rgba(46, 204, 113, 0.24); }
    50% { border-color: var(--ruby); box-shadow: 0 0 24px rgba(231, 76, 60, 0.22); }
    75% { border-color: var(--sapphire); box-shadow: 0 0 24px rgba(52, 152, 219, 0.24); }
    100% { border-color: var(--amethyst); box-shadow: 0 0 0 rgba(155, 89, 182, 0); }
}

.reveal-block {
    opacity: 0;
    transform: translateY(40px) rotate(2deg);
    transition: opacity 850ms var(--ease), transform 850ms var(--ease);
    transition-delay: var(--delay, 0ms);
}

.reveal-block.is-visible {
    opacity: 1;
    transform: translateY(0) rotate(var(--actual-rotation, 0deg));
}

@media (max-width: 900px) {
    .hero-grid,
    .showcase,
    .code-stair,
    .signal {
        display: block;
    }

    .pixel-wordmark {
        flex-wrap: wrap;
    }

    .word-letter {
        font-size: clamp(3.2rem, 17vw, 7rem);
    }

    .tagline,
    .hero-bracket,
    .vignette,
    .code-block,
    .node-altar,
    .signal-copy {
        width: auto;
        margin: 2rem 0;
    }

    .manifesto {
        margin: 0 1rem 4rem;
    }

    .showcase,
    .codex,
    .signal {
        padding: 5rem 1.25rem;
    }

    .vignette {
        min-width: 0;
    }

    .iso-icon {
        margin-left: 0;
    }
}