/* ============================================================
   cbdc.studio v1 — Specimen Archive From a Future That Already Happened
   Holographic / sidebar / serif-revival / burnt-orange / tilt-3d
   ============================================================ */

@layer reset, tokens, base, layout, components, utilities, motion;

/* ---------- RESET ---------- */
@layer reset {
    *, *::before, *::after { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    body { min-height: 100vh; }
    img, svg { display: block; max-width: 100%; }
    button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
    a { color: inherit; text-decoration: none; }
    ul, ol { list-style: none; margin: 0; padding: 0; }
    summary { list-style: none; cursor: pointer; }
    summary::-webkit-details-marker { display: none; }
    h1, h2, h3, h4, p { margin: 0; }
}

/* ---------- TOKENS ---------- */
@layer tokens {
    :root {
        /* Palette — exact hex from DESIGN.md */
        --ink:          #17110D;
        --paper:        #F2E6D2;
        --bone:         #E8DFCB;
        --burnt:        #C24914;
        --ember:        #7A2208;
        --rust-deep:    #3E1508;
        --holo-cyan:    #8FE7FF;
        --holo-magenta: #FF66C4;
        --holo-lime:    #D4FF5E;

        /* Typography */
        --font-display: 'Fraunces', ui-serif, Georgia, 'Times New Roman', serif;
        --font-body:    'Source Serif 4', ui-serif, Georgia, 'Times New Roman', serif;
        --font-mono:    'JetBrains Mono', 'Space Mono', ui-monospace, monospace;

        /* Spacing — modular 1.25 scale */
        --s-1: 0.25rem;
        --s-2: 0.5rem;
        --s-3: 0.75rem;
        --s-4: 1rem;
        --s-5: 1.5rem;
        --s-6: 2rem;
        --s-7: 3rem;
        --s-8: 4.5rem;

        /* Radii */
        --r-sm: 2px;
        --r-md: 6px;
        --r-lg: 14px;

        /* Layout */
        --sidebar-w: 320px;

        /* Holographic gradient */
        --holo-gradient: conic-gradient(
            from 180deg at 50% 50%,
            var(--holo-magenta) 0deg,
            var(--holo-cyan) 90deg,
            var(--holo-lime) 180deg,
            var(--holo-magenta) 270deg,
            var(--holo-cyan) 360deg
        );
    }
}

/* ---------- BASE ---------- */
@layer base {
    body {
        font-family: var(--font-body);
        font-size: 17px;
        line-height: 1.55;
        color: var(--ink);
        background: var(--paper);
        background-image:
            radial-gradient(ellipse at 12% 8%, rgba(143, 231, 255, 0.06), transparent 50%),
            radial-gradient(ellipse at 92% 92%, rgba(255, 102, 196, 0.05), transparent 55%),
            linear-gradient(180deg, #F4E8D4 0%, #EFDFC6 100%);
        overflow-x: hidden;
        position: relative;
    }

    /* Film grain across the whole page */
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 9999;
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.09  0 0 0 0 0.07  0 0 0 0 0.05  0 0 0 0.55 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
        mix-blend-mode: multiply;
        opacity: 0.18;
    }

    .skip {
        position: absolute;
        left: -9999px;
        top: 0;
        background: var(--burnt);
        color: var(--paper);
        padding: var(--s-3) var(--s-5);
        z-index: 10000;
        font-family: var(--font-mono);
        font-size: 13px;
        letter-spacing: 0.14em;
        text-transform: uppercase;
    }
    .skip:focus { left: var(--s-4); top: var(--s-4); }

    em.wonk {
        font-family: var(--font-display);
        font-style: italic;
        font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
        color: var(--ember);
    }
}

/* ---------- LAYOUT ---------- */
@layer layout {

    /* Tilted isometric grid background */
    .grid-bg {
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 0;
        overflow: hidden;
    }
    .grid-bg__plane {
        position: absolute;
        top: -50%; left: -50%;
        width: 200%; height: 200%;
        background-image:
            linear-gradient(rgba(62, 21, 8, 0.55) 1px, transparent 1px),
            linear-gradient(90deg, rgba(62, 21, 8, 0.55) 1px, transparent 1px);
        background-size: 64px 64px;
        opacity: 0.06;
        transform-origin: center;
        transform: rotateX(58deg) rotateZ(-12deg) translateZ(0);
        transition: transform 0.6s ease-out;
    }

    /* Sidebar */
    .sidebar {
        position: fixed;
        top: 0; left: 0;
        width: var(--sidebar-w);
        height: 100vh;
        background: var(--ink);
        color: var(--bone);
        z-index: 50;
        border-right: 1px solid rgba(232, 223, 203, 0.08);
        box-shadow:
            18px 0 60px -20px rgba(23, 17, 13, 0.55),
            inset -1px 0 0 rgba(143, 231, 255, 0.04);
    }
    .sidebar::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
            radial-gradient(ellipse at 80% 0%, rgba(255, 102, 196, 0.08), transparent 45%),
            radial-gradient(ellipse at 0% 100%, rgba(143, 231, 255, 0.06), transparent 50%);
        pointer-events: none;
    }
    .sidebar__inner {
        position: relative;
        height: 100%;
        padding: var(--s-6) var(--s-5);
        display: flex;
        flex-direction: column;
        gap: var(--s-5);
        overflow-y: auto;
    }

    /* Main canvas */
    .canvas {
        position: relative;
        margin-left: var(--sidebar-w);
        padding: var(--s-7) var(--s-7) var(--s-8);
        z-index: 5;
        max-width: calc(100vw - var(--sidebar-w));
    }
    .canvas:focus { outline: none; }

    /* Drawer toggle (mobile) */
    .drawer-toggle {
        position: fixed;
        top: var(--s-4);
        right: var(--s-4);
        z-index: 60;
        display: none;
        align-items: center;
        gap: var(--s-3);
        padding: var(--s-3) var(--s-4);
        background: var(--burnt);
        color: var(--paper);
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        border-radius: var(--r-sm);
        box-shadow: 0 8px 22px -10px rgba(23, 17, 13, 0.6);
    }
    .drawer-toggle__bars {
        display: inline-flex;
        flex-direction: column;
        gap: 3px;
    }
    .drawer-toggle__bars span {
        width: 18px; height: 2px;
        background: currentColor;
        border-radius: 1px;
    }

    @media (max-width: 900px) {
        .sidebar {
            transform: translateX(-100%);
            width: min(380px, 90vw);
            transition: transform 0.28s ease-out;
        }
        .sidebar.is-open { transform: translateX(0); }
        .canvas {
            margin-left: 0;
            max-width: 100vw;
            padding: var(--s-7) var(--s-5) var(--s-8);
        }
        .drawer-toggle { display: inline-flex; }
    }
}

/* ---------- COMPONENTS ---------- */
@layer components {

    /* Wordmark */
    .wordmark__link {
        font-family: var(--font-display);
        font-size: 32px;
        font-weight: 700;
        letter-spacing: -0.02em;
        line-height: 1;
        display: inline-flex;
        align-items: baseline;
        font-variation-settings: 'opsz' 144, 'WONK' 0;
    }
    .wordmark__cbdc { color: var(--paper); }
    .wordmark__dot { color: var(--burnt); padding-inline: 1px; }
    .wordmark__studio {
        color: var(--bone);
        font-style: italic;
        font-variation-settings: 'opsz' 144, 'WONK' 1;
    }
    .wordmark__sub {
        margin-top: var(--s-2);
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        color: rgba(232, 223, 203, 0.55);
    }

    /* Specimen tag (sidebar metadata block) */
    .specimen-tag {
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--bone);
        padding: var(--s-3) var(--s-4);
        background: linear-gradient(180deg, rgba(143, 231, 255, 0.06), rgba(62, 21, 8, 0.5));
        border: 1px solid rgba(232, 223, 203, 0.12);
        border-radius: var(--r-sm);
        display: flex;
        flex-direction: column;
        gap: 4px;
        position: relative;
    }
    .specimen-tag::after {
        content: '';
        position: absolute;
        top: -4px; right: -4px;
        width: 28px; height: 28px;
        background: var(--holo-gradient);
        background-size: 220% 220%;
        border-radius: 50%;
        opacity: 0.85;
        mix-blend-mode: screen;
        filter: blur(0.4px);
        box-shadow: 0 0 12px rgba(255, 102, 196, 0.35);
    }
    .specimen-tag__row + .specimen-tag__row { color: rgba(232, 223, 203, 0.65); }

    /* Sidebar nav */
    .sidenav__list { display: flex; flex-direction: column; gap: var(--s-2); }
    .sidenav__link {
        display: grid;
        grid-template-columns: 36px 1fr;
        align-items: baseline;
        gap: var(--s-3);
        padding: var(--s-3) var(--s-4);
        font-family: var(--font-display);
        font-size: 22px;
        line-height: 1.1;
        color: var(--bone);
        position: relative;
        border-radius: var(--r-sm);
        transition: color 0.24s cubic-bezier(.2,.9,.2,1), background 0.24s;
    }
    .sidenav__link::before {
        content: '';
        position: absolute;
        left: var(--s-4);
        right: var(--s-4);
        bottom: 6px;
        height: 2px;
        background: currentColor;
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.24s cubic-bezier(.2,.9,.2,1);
    }
    .sidenav__link:hover::before,
    .sidenav__link:focus-visible::before { transform: scaleX(0.6); }
    .sidenav__num {
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.18em;
        color: var(--burnt);
        text-transform: uppercase;
    }
    .sidenav__link.is-active {
        background: linear-gradient(90deg, var(--burnt) 0%, rgba(194, 73, 20, 0.05) 100%);
        color: var(--paper);
        box-shadow: inset 3px 0 0 var(--holo-cyan), 0 0 0 1px rgba(143, 231, 255, 0.18);
    }
    .sidenav__link.is-active .sidenav__num { color: var(--paper); }
    .sidenav__link.is-active::after {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--holo-gradient);
        background-size: 240% 240%;
        opacity: 0.18;
        mix-blend-mode: color-dodge;
        pointer-events: none;
        border-radius: var(--r-sm);
    }
    .sidenav__label {
        font-style: italic;
        font-variation-settings: 'opsz' 144, 'WONK' 1;
    }

    /* Depth meter */
    .depth-meter {
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--bone);
        display: grid;
        grid-template-columns: auto 1fr auto auto;
        gap: 6px;
        align-items: center;
        padding: var(--s-3) var(--s-4);
        background: rgba(143, 231, 255, 0.05);
        border-top: 1px dashed rgba(232, 223, 203, 0.18);
        border-bottom: 1px dashed rgba(232, 223, 203, 0.18);
    }
    .depth-meter__label { color: var(--burnt); }
    .depth-meter__value { color: var(--paper); }
    .depth-meter__divider { opacity: 0.5; }
    .depth-meter__max { opacity: 0.5; }
    .depth-meter__bar {
        grid-column: 1 / -1;
        height: 3px;
        background: rgba(232, 223, 203, 0.12);
        margin-top: 6px;
        position: relative;
        border-radius: 2px;
        overflow: hidden;
    }
    .depth-meter__fill {
        position: absolute;
        inset: 0 auto 0 0;
        width: 0%;
        background: linear-gradient(90deg, var(--burnt), var(--holo-magenta), var(--holo-cyan));
        transition: width 0.18s linear;
    }

    /* Sidebar contact block */
    .sidebar__contact {
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.12em;
        color: rgba(232, 223, 203, 0.7);
        padding-block: var(--s-3);
    }
    .sidebar__contact-line + .sidebar__contact-line { margin-top: 4px; }
    .sidebar__contact-line:first-child { color: var(--paper); }

    /* Sidebar footer */
    .sidebar__footer {
        margin-top: auto;
        font-family: var(--font-mono);
        font-size: 10px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: rgba(232, 223, 203, 0.45);
        display: flex;
        justify-content: space-between;
        padding-top: var(--s-4);
        border-top: 1px solid rgba(232, 223, 203, 0.08);
    }

    /* Section heads */
    .section-head { margin-bottom: var(--s-6); position: relative; }
    .section-head__num {
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.22em;
        text-transform: uppercase;
        color: var(--burnt);
        display: block;
        margin-bottom: var(--s-3);
    }
    .section-head__title {
        font-family: var(--font-display);
        font-size: clamp(2.4rem, 5vw, 4.4rem);
        line-height: 1.05;
        letter-spacing: -0.025em;
        color: var(--rust-deep);
        text-wrap: balance;
        font-variation-settings: 'opsz' 144, 'SOFT' 30, 'WONK' 0;
        max-width: 22ch;
    }
    .section-head--inverse .section-head__title { color: var(--paper); }
    .section-head--inverse .section-head__num { color: var(--holo-cyan); }

    /* HERO */
    .hero {
        padding-block: var(--s-7) var(--s-8);
        position: relative;
    }
    .hero__meta {
        display: flex;
        gap: var(--s-2);
        flex-wrap: wrap;
        margin-bottom: var(--s-5);
    }
    .meta-pill {
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        padding: 6px 12px;
        background: var(--ink);
        color: var(--bone);
        border-radius: var(--r-sm);
        border: 1px solid rgba(232, 223, 203, 0.15);
    }
    .meta-pill--alt {
        background: var(--paper);
        color: var(--ember);
        border-color: var(--ember);
    }
    .meta-pill--holo {
        background: var(--holo-gradient);
        background-size: 200% 200%;
        color: var(--ink);
        border-color: var(--ink);
        position: relative;
        animation: holoShift 14s linear infinite;
    }

    .hero__title {
        font-family: var(--font-display);
        font-size: clamp(3rem, 8vw, 7.5rem);
        line-height: 0.96;
        letter-spacing: -0.035em;
        color: var(--ink);
        text-wrap: balance;
        font-variation-settings: 'opsz' 144, 'SOFT' 50, 'WONK' 0;
        font-weight: 700;
        position: relative;
        margin-bottom: var(--s-5);
        max-width: 18ch;
    }
    .underline-svg {
        display: block;
        width: 60%;
        height: 14px;
        color: var(--burnt);
        margin-top: var(--s-3);
    }

    .hero__lede {
        font-family: var(--font-display);
        font-size: clamp(1.1rem, 1.6vw, 1.5rem);
        line-height: 1.45;
        max-width: 56ch;
        color: var(--rust-deep);
        font-style: italic;
        font-variation-settings: 'opsz' 60, 'SOFT' 30, 'WONK' 0;
        margin-bottom: var(--s-7);
    }

    /* Featured tilt-3d card */
    .card {
        position: relative;
        perspective: 1400px;
        --mx: 50%;
        --my: 50%;
        --tilt-x: 4deg;
        --tilt-y: -6deg;
    }
    .card--featured {
        height: clamp(380px, 50vh, 560px);
        background: var(--ink);
        color: var(--paper);
        border-radius: var(--r-lg);
        overflow: hidden;
        transform-style: preserve-3d;
        transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
        transition: transform 0.18s ease-out;
        box-shadow:
            0 30px 60px -25px rgba(23, 17, 13, 0.65),
            0 12px 30px -15px rgba(62, 21, 8, 0.6),
            inset 0 0 0 1px rgba(232, 223, 203, 0.08);
        will-change: transform;
        background-image:
            radial-gradient(ellipse at 30% 20%, rgba(194, 73, 20, 0.55), transparent 55%),
            radial-gradient(ellipse at 80% 80%, rgba(122, 34, 8, 0.7), transparent 55%),
            linear-gradient(180deg, #2a1a10 0%, #17110D 100%);
    }
    .card__foil {
        position: absolute;
        inset: 0;
        background: var(--holo-gradient);
        background-size: 220% 220%;
        background-position: var(--mx) var(--my);
        opacity: 0.22;
        mix-blend-mode: screen;
        pointer-events: none;
        transition: opacity 0.18s ease-out;
    }
    .card--featured:hover .card__foil { opacity: 0.34; mix-blend-mode: color-dodge; }
    .card__grain {
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: 0.16;
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
        mix-blend-mode: overlay;
    }
    .card__corner {
        position: absolute;
        width: 40px; height: 40px;
        color: var(--burnt);
        opacity: 0.85;
    }
    .card__corner--tl { top: 14px; left: 14px; }
    .card__corner--br { bottom: 14px; right: 14px; }
    .card__fish {
        position: absolute;
        top: 50%; left: 50%;
        width: clamp(280px, 60%, 520px);
        transform: translate(-50%, -54%) translateZ(40px) rotate(-3deg);
        filter: drop-shadow(0 20px 30px rgba(23, 17, 13, 0.55));
        transition: transform 0.4s ease-out;
    }
    .card--featured:hover .card__fish { transform: translate(-50%, -54%) translateZ(60px) rotate(-3deg) scale(1.04); }
    .card__caption {
        position: absolute;
        left: var(--s-5);
        bottom: var(--s-5);
        max-width: 60%;
        transform: translateZ(20px);
    }
    .card__caption-eyebrow {
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--holo-cyan);
        display: block;
        margin-bottom: 6px;
    }
    .card__caption-title {
        font-family: var(--font-display);
        font-size: clamp(1.6rem, 3vw, 2.4rem);
        line-height: 1;
        font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
        font-style: italic;
        color: var(--paper);
        margin-bottom: 6px;
    }
    .card__caption-meta {
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.08em;
        color: rgba(232, 223, 203, 0.7);
    }

    .hero__hint {
        margin-top: var(--s-5);
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--ember);
    }

    /* MANIFEST */
    .manifest {
        padding-block: var(--s-7);
        border-top: 1px solid rgba(62, 21, 8, 0.18);
    }
    .manifest__columns {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: var(--s-5);
    }
    .manifest__lede {
        grid-column: span 12;
        font-family: var(--font-display);
        font-size: clamp(1.4rem, 2.4vw, 2.1rem);
        line-height: 1.3;
        color: var(--rust-deep);
        max-width: 32ch;
        margin-bottom: var(--s-4);
        font-variation-settings: 'opsz' 144, 'SOFT' 50, 'WONK' 0;
    }
    .manifest__col { grid-column: span 6; }
    .manifest__sub {
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--burnt);
        margin-bottom: var(--s-3);
    }
    .manifest__col p {
        font-size: 17px;
        line-height: 1.55;
        color: var(--ink);
        max-width: 48ch;
    }
    .manifest__tenets {
        grid-column: span 12;
        margin-top: var(--s-5);
        padding: var(--s-5);
        border-radius: var(--r-md);
        background: linear-gradient(180deg, rgba(232, 223, 203, 0.7), rgba(232, 223, 203, 0.35));
        border: 1px solid var(--rust-deep);
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--s-3) var(--s-5);
        position: relative;
        overflow: hidden;
    }
    .manifest__tenets::before {
        content: '';
        position: absolute;
        top: -30px; right: -30px;
        width: 120px; height: 120px;
        background: var(--holo-gradient);
        background-size: 220% 220%;
        border-radius: 50%;
        opacity: 0.45;
        mix-blend-mode: screen;
        filter: blur(2px);
    }
    .manifest__tenets li {
        display: grid;
        grid-template-columns: 36px 1fr;
        gap: var(--s-3);
        align-items: baseline;
        font-family: var(--font-display);
        font-size: 1.1rem;
        font-style: italic;
        color: var(--ember);
        font-variation-settings: 'opsz' 60, 'SOFT' 30, 'WONK' 1;
    }
    .manifest__tenet-num {
        font-family: var(--font-mono);
        font-style: normal;
        font-size: 11px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--burnt);
    }

    @media (max-width: 720px) {
        .manifest__col { grid-column: span 12; }
        .manifest__tenets { grid-template-columns: 1fr; }
    }

    /* SPECIMEN GRID */
    .specimens {
        padding-block: var(--s-7);
        border-top: 1px solid rgba(62, 21, 8, 0.18);
        container-type: inline-size;
    }
    .specimen-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 280px;
        gap: var(--s-5);
    }
    .specimen-grid > li { display: contents; }
    .specimen {
        --mx: 50%;
        --my: 50%;
        --tilt-x: 4deg;
        --tilt-y: -6deg;
        position: relative;
        background: var(--ink);
        color: var(--bone);
        border-radius: var(--r-md);
        overflow: hidden;
        transform-style: preserve-3d;
        transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
        transition: transform 0.22s ease-out;
        will-change: transform;
        height: 100%;
        box-shadow:
            0 22px 40px -20px rgba(23, 17, 13, 0.6),
            inset 0 0 0 1px rgba(232, 223, 203, 0.08);
        background-image:
            radial-gradient(ellipse at 50% 0%, rgba(194, 73, 20, 0.4), transparent 55%),
            linear-gradient(180deg, #2a1a10 0%, #17110D 100%);
    }
    .specimen[open] { box-shadow: 0 30px 60px -22px rgba(23, 17, 13, 0.75); }
    .specimen--tall { grid-row: span 2; min-height: 580px; }
    .specimen--wide { grid-column: span 2; min-height: 280px; }
    .specimen > summary {
        display: block;
        position: relative;
        padding: var(--s-5);
        height: 100%;
        min-height: inherit;
    }
    .specimen__foil {
        position: absolute;
        inset: 0;
        background: var(--holo-gradient);
        background-size: 220% 220%;
        background-position: var(--mx) var(--my);
        opacity: 0.18;
        mix-blend-mode: screen;
        pointer-events: none;
        transition: opacity 0.18s ease-out;
    }
    .specimen:hover .specimen__foil { opacity: 0.32; mix-blend-mode: color-dodge; }
    .specimen__grain {
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: 0.14;
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='gg'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23gg)'/></svg>");
        mix-blend-mode: overlay;
    }
    .specimen__fish {
        position: absolute;
        right: -10%;
        top: 12%;
        width: 65%;
        transform: translateZ(20px) rotate(-3deg);
        filter: drop-shadow(0 12px 20px rgba(23, 17, 13, 0.4));
        opacity: 0.95;
        transition: transform 0.4s ease-out;
    }
    .specimen:hover .specimen__fish {
        transform: translateZ(30px) rotate(-3deg) scale(1.04);
    }
    .specimen__meta {
        position: relative;
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--holo-cyan);
        display: flex;
        flex-direction: column;
        gap: 4px;
        margin-bottom: var(--s-4);
    }
    .specimen__class { color: rgba(232, 223, 203, 0.6); }
    .specimen__title {
        position: relative;
        font-family: var(--font-display);
        font-size: clamp(1.6rem, 2.4vw, 2.2rem);
        line-height: 1;
        font-style: italic;
        font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
        color: var(--paper);
        margin-bottom: var(--s-3);
        max-width: 12ch;
    }
    .specimen__hint {
        position: relative;
        font-family: var(--font-body);
        font-size: 14px;
        line-height: 1.4;
        max-width: 28ch;
        color: rgba(232, 223, 203, 0.78);
    }
    .specimen__body {
        position: relative;
        padding: 0 var(--s-5) var(--s-5);
        background: linear-gradient(180deg, transparent, rgba(23, 17, 13, 0.85));
    }
    .specimen__body p {
        font-size: 15px;
        line-height: 1.55;
        color: var(--bone);
        max-width: 60ch;
        margin-bottom: var(--s-3);
    }
    .specimen__tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    .specimen__tags li {
        font-family: var(--font-mono);
        font-size: 10px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        padding: 4px 10px;
        background: rgba(232, 223, 203, 0.08);
        border: 1px solid rgba(232, 223, 203, 0.15);
        border-radius: var(--r-sm);
        color: var(--holo-cyan);
    }

    .specimen > summary::after {
        content: '+';
        position: absolute;
        bottom: var(--s-4);
        right: var(--s-4);
        width: 32px; height: 32px;
        display: grid;
        place-items: center;
        font-family: var(--font-mono);
        font-size: 18px;
        background: var(--burnt);
        color: var(--paper);
        border-radius: 50%;
        transition: transform 0.2s ease-out, background 0.2s;
    }
    .specimen[open] > summary::after { content: '−'; background: var(--ember); transform: rotate(180deg); }

    @media (max-width: 1100px) {
        .specimen-grid { grid-template-columns: repeat(2, 1fr); }
        .specimen--wide { grid-column: span 2; }
    }
    @media (max-width: 640px) {
        .specimen-grid {
            grid-template-columns: 1fr;
            grid-auto-rows: auto;
        }
        .specimen--tall, .specimen--wide { grid-column: span 1; grid-row: span 1; min-height: 380px; }
        .specimen { min-height: 380px; }
    }

    /* TRANSMISSIONS */
    .transmissions {
        padding-block: var(--s-7);
        border-top: 1px solid rgba(62, 21, 8, 0.18);
    }
    .transmissions__list {
        display: flex;
        flex-direction: column;
        gap: var(--s-5);
        max-width: 760px;
    }
    .transmission {
        padding: var(--s-5) var(--s-5) var(--s-5) var(--s-7);
        background: linear-gradient(90deg, var(--bone) 0%, transparent 90%);
        border-left: 3px solid var(--burnt);
        position: relative;
        border-radius: 0 var(--r-md) var(--r-md) 0;
    }
    .transmission::before {
        content: '';
        position: absolute;
        top: var(--s-5);
        left: -10px;
        width: 16px; height: 16px;
        background: var(--holo-gradient);
        background-size: 200% 200%;
        border-radius: 50%;
        border: 2px solid var(--paper);
        mix-blend-mode: normal;
    }
    .transmission__head {
        display: flex;
        justify-content: space-between;
        gap: var(--s-3);
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--ember);
        margin-bottom: var(--s-3);
    }
    .transmission__id { color: var(--burnt); }
    .transmission__title {
        font-family: var(--font-display);
        font-size: clamp(1.4rem, 2vw, 1.9rem);
        line-height: 1.15;
        font-style: italic;
        font-variation-settings: 'opsz' 144, 'SOFT' 50, 'WONK' 1;
        color: var(--rust-deep);
        margin-bottom: var(--s-3);
        max-width: 28ch;
    }
    .transmission__body {
        font-size: 16px;
        line-height: 1.6;
        color: var(--ink);
        max-width: 60ch;
    }

    /* CONTACT */
    .contact {
        padding: var(--s-8) var(--s-7);
        margin-block: var(--s-7) 0;
        margin-inline: calc(-1 * var(--s-7));
        background: var(--burnt);
        color: var(--paper);
        position: relative;
        overflow: hidden;
    }
    .contact::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--holo-gradient);
        background-size: 220% 220%;
        opacity: 0.22;
        mix-blend-mode: color-dodge;
        pointer-events: none;
    }
    .contact::after {
        content: '';
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: 0.18;
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='gc'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.85 0'/></filter><rect width='100%25' height='100%25' filter='url(%23gc)'/></svg>");
        mix-blend-mode: overlay;
    }
    .contact__email {
        position: relative;
        display: inline-block;
        margin: var(--s-5) 0;
        font-family: var(--font-display);
        font-size: clamp(2.4rem, 9vw, 6rem);
        line-height: 0.95;
        font-style: italic;
        font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
        color: var(--paper);
        letter-spacing: -0.03em;
        transition: color 0.18s, transform 0.18s ease-out;
    }
    .contact__email-text { position: relative; z-index: 2; }
    .contact__email-foil {
        position: absolute;
        inset: 0;
        background: var(--holo-gradient);
        background-size: 220% 220%;
        opacity: 0;
        mix-blend-mode: color-dodge;
        transition: opacity 0.18s ease-out;
        z-index: 1;
    }
    .contact__email:hover { color: var(--bone); transform: translateY(-2px); }
    .contact__email:hover .contact__email-foil { opacity: 0.6; }

    .contact__rows {
        position: relative;
        margin-top: var(--s-6);
        max-width: 600px;
        display: flex;
        flex-direction: column;
        gap: var(--s-3);
        z-index: 2;
    }
    .contact__row {
        display: grid;
        grid-template-columns: 200px 1fr;
        gap: var(--s-4);
        padding: var(--s-3) 0;
        border-top: 1px solid rgba(242, 230, 210, 0.25);
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        align-items: baseline;
    }
    .contact__row-label { color: rgba(242, 230, 210, 0.7); }
    .contact__row-value { color: var(--paper); }

    @media (max-width: 720px) {
        .contact__row {
            grid-template-columns: 1fr;
            gap: 4px;
        }
    }

    /* FOOTER */
    .footer {
        margin-top: var(--s-7);
        padding-top: var(--s-5);
        border-top: 1px solid rgba(62, 21, 8, 0.18);
        display: flex;
        justify-content: space-between;
        gap: var(--s-5);
        flex-wrap: wrap;
        font-family: var(--font-mono);
        font-size: 11px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--ember);
    }
    .footer__col { display: flex; flex-direction: column; gap: 4px; }
    .footer__col--right { text-align: right; }

    /* Fish cursor companion */
    .fish-cursor {
        position: fixed;
        top: 0; left: 0;
        width: 60px; height: 30px;
        pointer-events: none;
        z-index: 9000;
        opacity: 0;
        transform: translate(-50%, -50%);
        transition: opacity 0.3s ease;
        filter: drop-shadow(0 4px 8px rgba(23, 17, 13, 0.45));
    }
    .fish-cursor.is-visible { opacity: 0.85; }

    @media (hover: none), (max-width: 900px) {
        .fish-cursor { display: none; }
    }
}

/* ---------- MOTION ---------- */
@layer motion {

    @keyframes holoShift {
        0%   { background-position: 0% 50%; }
        50%  { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    @keyframes holoPulse {
        0%, 90%, 100% { opacity: 0.22; }
        45% { opacity: 0.5; }
    }

    .card--featured.is-pulsing .card__foil {
        animation: holoPulse 0.9s ease-in-out;
    }

    .card--featured .card__foil,
    .specimen .specimen__foil {
        animation: holoShift 18s linear infinite;
    }

    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.001ms !important;
            transition-duration: 0.001ms !important;
        }
        .card--featured, .specimen {
            transform: rotateX(2deg) rotateY(-2deg) !important;
        }
        .fish-cursor { display: none; }
    }
}