/* ===== busygirl.xyz — sepia-nostalgic / split-screen / morph ===== */

/* CSS Custom Properties (palette + per-section mesh-key) */
:root {
    --ink-walnut: #1f1812;
    --coffee-bark: #3a2a1c;
    --toasted-bronze: #7a5a3d;
    --oxidized-brass: #a87b4e;
    --afternoon-honey: #c9a978;
    --sepia-cream: #e8d6b3;
    --paper-warm: #f4ead4;
    --cold-tea-blue: #5e6b6d;
    --vermillion-stamp: #8b3a2a;

    /* Mesh key — shifts per section via JS */
    --mesh-a: #c9a978;
    --mesh-b: #a87b4e;
    --mesh-c: #5e6b6d;
    --mesh-d: #e8d6b3;
    --mesh-e: #7a5a3d;

    --split-shift: 0px;

    --ease-long: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper-warm);
    color: var(--ink-walnut);
    font-family: 'Inter', system-ui, sans-serif;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    line-height: 1.7;
}

.noise-svg {
    position: fixed;
    width: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

.paper-grain {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        repeating-radial-gradient(circle at 20% 30%, rgba(31,24,18,0.018) 0px, transparent 1px, transparent 3px),
        repeating-radial-gradient(circle at 80% 70%, rgba(122,90,61,0.018) 0px, transparent 1px, transparent 4px);
    mix-blend-mode: multiply;
    opacity: 0.85;
}

/* ===== Brass Dial (fixed top-left) ===== */
.brass-dial {
    position: fixed;
    top: 28px;
    left: 28px;
    width: 64px;
    height: 64px;
    z-index: 100;
    cursor: pointer;
}

.brass-dial svg {
    width: 64px;
    height: 64px;
    filter: drop-shadow(0 1px 2px rgba(31,24,18,0.18));
    transition: transform 0.4s var(--ease-long);
}

.dial-face {
    fill: var(--oxidized-brass);
}

.dial-rim {
    fill: none;
    stroke: var(--coffee-bark);
    stroke-width: 0.6;
    opacity: 0.7;
}

.dial-tick {
    stroke: var(--ink-walnut);
    stroke-width: 1.4;
    stroke-linecap: round;
    transition: stroke 0.6s var(--ease-long), opacity 0.6s var(--ease-long);
    opacity: 0.55;
}

.dial-tick.active {
    stroke: var(--vermillion-stamp);
    opacity: 1;
    filter: drop-shadow(0 0 1px var(--vermillion-stamp));
}

.dial-center {
    fill: var(--ink-walnut);
}

.dial-needle {
    stroke: var(--vermillion-stamp);
    stroke-width: 0.9;
    stroke-linecap: round;
    transform-origin: 32px 32px;
    transition: transform 0.6s var(--ease-long);
}

.dial-orbit {
    position: absolute;
    top: -42px;
    left: -42px;
    width: 148px;
    height: 148px;
    list-style: none;
    margin: 0;
    padding: 0;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.6s var(--ease-long), transform 0.6s var(--ease-long);
}

.brass-dial:hover .dial-orbit {
    opacity: 1;
    transform: scale(1);
}

.dial-orbit li {
    position: absolute;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--coffee-bark);
    opacity: 0.78;
    cursor: pointer;
    pointer-events: auto;
    white-space: nowrap;
    transition: color 0.3s var(--ease-long);
}

.dial-orbit li:hover {
    color: var(--vermillion-stamp);
}

/* ===== Layout split ===== */
.layout {
    position: relative;
    display: grid;
    grid-template-columns: 38fr 62fr;
    min-height: 100vh;
    z-index: 2;
}

.torn-edge {
    position: fixed;
    top: 0;
    bottom: 0;
    left: calc(38% - 10px);
    width: 20px;
    height: 100vh;
    z-index: 3;
    pointer-events: none;
    transform: translateX(var(--split-shift));
    transition: transform 0.18s linear;
}

.torn-edge path {
    fill: none;
    stroke: var(--toasted-bronze);
    stroke-width: 0.8;
    opacity: 0.55;
}

/* ===== Left Column (the inhale) ===== */
.inhale {
    padding: 8rem 6rem 9rem 8rem;
    max-width: calc(480px + 14rem);
    background: var(--paper-warm);
    position: relative;
    z-index: 2;
}

.masthead {
    margin-bottom: 8rem;
}

.kicker {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--coffee-bark);
    margin: 0 0 0.4rem 0;
}

.kicker .dot {
    color: var(--vermillion-stamp);
    margin: 0 0.18em;
}

.strap {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-weight: 300;
    font-size: 1.6rem;
    color: var(--coffee-bark);
    margin: 0;
    line-height: 1.3;
}

.section {
    margin-bottom: 7rem;
    max-width: 480px;
}

.section.last {
    margin-bottom: 4rem;
}

.section-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--toasted-bronze);
    margin: 0 0 0.8rem 0;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 3.5rem;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink-walnut);
    margin: 0 0 2.2rem 0;
}

.section p {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 1.7;
    letter-spacing: 0.005em;
    color: var(--ink-walnut);
    margin: 0 0 1.6rem 0;
}

.section .stamp-line {
    color: var(--coffee-bark);
    font-style: italic;
    border-left: 1px solid var(--oxidized-brass);
    padding-left: 1.2rem;
    margin-top: 2.2rem;
}

.stamp-end {
    text-align: center;
    font-size: 1.6rem;
    color: var(--vermillion-stamp);
    border: none;
    padding: 0;
    margin-top: 3rem;
    letter-spacing: 0.6em;
}

.closing {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-weight: 300;
    font-size: 1.4rem !important;
    line-height: 1.5 !important;
    color: var(--coffee-bark) !important;
    margin-top: 3rem !important;
}

.pull-quote {
    margin: 9rem 0;
    max-width: 540px;
    position: relative;
    padding-left: 1.8rem;
}

.quote-mark {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 6rem;
    color: var(--vermillion-stamp);
    margin: 0;
    line-height: 0.6;
    opacity: 0.6;
    position: absolute;
    top: -0.4rem;
    left: -1rem;
}

.quote-text {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-weight: 300;
    font-size: 2.4rem;
    line-height: 1.3;
    color: var(--coffee-bark);
    margin: 0 0 1.6rem 0;
    font-variation-settings: "opsz" 144;
}

.quote-attr {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--toasted-bronze);
    margin: 0;
}

.colophon {
    margin-top: 6rem;
    padding-top: 3rem;
    border-top: 1px solid var(--oxidized-brass);
    border-image: linear-gradient(90deg, transparent, var(--oxidized-brass) 30%, var(--oxidized-brass) 70%, transparent) 1;
}

.colophon p {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--coffee-bark);
    margin: 0 0 0.4rem 0;
}

.colophon .colophon-line {
    text-transform: lowercase;
    letter-spacing: 0.06em;
    color: var(--toasted-bronze);
}

.colophon p .dot {
    color: var(--vermillion-stamp);
    margin: 0 0.18em;
}

/* ===== Right Column (the exhale held) ===== */
.exhale {
    position: relative;
    background: var(--paper-warm);
    overflow: hidden;
    z-index: 1;
}

.exhale-stage {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

.mesh-layer {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 40% at 18% 22%, var(--mesh-a) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 30%, var(--mesh-b) 0%, transparent 65%),
        radial-gradient(ellipse 45% 55% at 70% 78%, var(--mesh-c) 0%, transparent 60%),
        radial-gradient(ellipse 55% 45% at 22% 80%, var(--mesh-d) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 50% 50%, var(--mesh-e) 0%, transparent 55%),
        var(--paper-warm);
    mix-blend-mode: multiply;
    animation: mesh-drift 78s ease-in-out infinite alternate;
    transition: background 2s var(--ease-long);
}

@keyframes mesh-drift {
    0% { background-position: 0% 0%, 100% 0%, 100% 100%, 0% 100%, 50% 50%, 0 0; }
    100% { background-position: 4% 6%, 96% 4%, 96% 94%, 4% 96%, 52% 48%, 0 0; }
}

.mesh-grain {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(31,24,18,0.06) 0px, transparent 1.5px),
        radial-gradient(circle at 38% 72%, rgba(31,24,18,0.05) 0px, transparent 1.5px),
        radial-gradient(circle at 84% 28%, rgba(31,24,18,0.05) 0px, transparent 1.5px),
        radial-gradient(circle at 64% 88%, rgba(31,24,18,0.06) 0px, transparent 1.5px);
    background-size: 60px 60px, 80px 80px, 70px 70px, 90px 90px;
    opacity: 0.6;
    mix-blend-mode: multiply;
    pointer-events: none;
}

.exhale::before {
    /* warm cursor spotlight (set via JS as background-position) */
    content: "";
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    background: radial-gradient(circle 240px at var(--cur-x, 50%) var(--cur-y, 50%), rgba(232,214,179,0.18), transparent 70%);
    mix-blend-mode: screen;
    transition: background 0.6s var(--ease-long);
}

/* Panel grid (9 slots, broken layout) */
.panel-grid {
    position: absolute;
    inset: 0;
    padding: 6vh 4vw;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(12, 1fr);
    gap: 0;
    z-index: 4;
}

.panel {
    position: relative;
    background: rgba(244,234,212,0.55);
    border: 0.5px solid rgba(168,123,78,0.28);
    box-shadow: 0 1px 0 rgba(31,24,18,0.04);
    padding: 1rem;
    overflow: hidden;
    mix-blend-mode: multiply;
    backdrop-filter: blur(0.4px);
    opacity: 0.94;
    transition: transform 1.2s var(--ease-long);
}

/* Deliberately broken grid placement */
.panel-a { grid-column: 1 / 6;   grid-row: 1 / 5; transform: translate(-2px, 4px); }
.panel-b { grid-column: 6 / 11;  grid-row: 1 / 4; transform: translate(6px, -4px); }
.panel-c { grid-column: 9 / 13;  grid-row: 3 / 7; background: transparent; border: none; box-shadow: none; }
.panel-d { grid-column: 4 / 9;   grid-row: 5 / 9; transform: translate(-4px, 0); }
.panel-e { grid-column: 1 / 5;   grid-row: 5 / 9; transform: translate(2px, 6px); }
.panel-f { grid-column: 9 / 13;  grid-row: 7 / 10; background: transparent; border: none; box-shadow: none; }
.panel-g { grid-column: 1 / 7;   grid-row: 9 / 13; transform: translate(0, -2px); }
.panel-h { grid-column: 7 / 11;  grid-row: 10 / 13; background: transparent; border: none; box-shadow: none; }
.panel-i { grid-column: 10 / 13; grid-row: 9 / 13; transform: translate(4px, 0); }

.panel-caption {
    position: absolute;
    bottom: 0.6rem;
    left: 1rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--coffee-bark);
    opacity: 0.7;
    margin: 0;
}

/* Diagrams (signal-flow, isopleth, voronoi) */
.diagram {
    width: 100%;
    height: 80%;
    display: block;
}

.diagram .diagram-g {
    fill: var(--toasted-bronze);
    stroke: var(--toasted-bronze);
    stroke-width: 0.8;
    opacity: 0.85;
}

.diagram circle:not([fill="none"]) {
    fill: var(--toasted-bronze);
    opacity: 0.7;
}

.diagram polygon {
    stroke: var(--toasted-bronze);
    stroke-width: 0.6;
    opacity: 0.7;
}

.diagram .micro,
.mini-schem .micro {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 7px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    fill: var(--coffee-bark);
    stroke: none;
    opacity: 0.85;
}

.mini-schem {
    width: 100%;
    height: 60px;
    margin-top: 0.6rem;
}

.mini-schem line, .mini-schem rect, .mini-schem circle {
    stroke: var(--toasted-bronze);
    stroke-width: 0.8;
    fill: none;
}

/* Glyphs (oversized brass icons) */
.glyph {
    width: 100%;
    height: 100%;
    max-width: 160px;
    max-height: 160px;
}

.glyph .glyph-ring {
    stroke: var(--oxidized-brass);
    stroke-width: 1;
    opacity: 0.75;
}

.glyph .glyph-tick {
    stroke: var(--oxidized-brass);
    stroke-width: 1.4;
    stroke-linecap: round;
}

.glyph .glyph-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 16px;
    fill: var(--coffee-bark);
    text-transform: uppercase;
}

/* Marginalia (rotated text) */
.marginalia {
    position: absolute;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--coffee-bark);
    opacity: 0;
    line-height: 1.5;
    max-width: 220px;
    margin: 0;
    transition: opacity 1.2s var(--ease-long);
}

.marginalia.in {
    opacity: 0.7;
}

.rot-1 { top: 12%; left: 8%;  transform: rotate(-7deg); }
.rot-2 { top: 38%; right: 4%; transform: rotate(5deg); }
.rot-3 { top: 68%; left: 20%; transform: rotate(-4deg); }
.rot-4 { top: 24%; left: 6%;  transform: rotate(8deg); font-style: italic; text-transform: none; font-size: 0.86rem; }
.rot-5 { top: 64%; right: 6%; transform: rotate(-6deg); }

/* Morph (clip-path animated SVG-ish blocks) */
.morph {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 70%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--toasted-bronze), var(--oxidized-brass));
    opacity: 0.78;
    mix-blend-mode: multiply;
    animation: morph-blob 12s var(--ease-long) infinite alternate;
}

.morph-1 {
    animation-duration: 13s;
    animation-delay: -2s;
    background: linear-gradient(150deg, var(--toasted-bronze), var(--cold-tea-blue));
}

.morph-2 {
    animation-duration: 11s;
    animation-delay: -5s;
    background: linear-gradient(120deg, var(--oxidized-brass), var(--coffee-bark));
}

.morph-3 {
    animation-duration: 14s;
    animation-delay: -3s;
    background: linear-gradient(160deg, var(--afternoon-honey), var(--toasted-bronze));
}

@keyframes morph-blob {
    0% {
        clip-path: polygon(30% 5%, 65% 8%, 92% 32%, 96% 68%, 72% 92%, 38% 96%, 8% 70%, 4% 35%);
        border-radius: 42% 58% 36% 64% / 48% 30% 70% 52%;
    }
    50% {
        clip-path: polygon(20% 0%, 55% 18%, 82% 12%, 100% 48%, 88% 78%, 60% 100%, 22% 88%, 0% 52%);
        border-radius: 30% 70% 60% 40% / 60% 50% 50% 40%;
    }
    100% {
        clip-path: polygon(10% 28%, 38% 4%, 78% 0%, 100% 38%, 90% 76%, 64% 96%, 28% 86%, 0% 60%);
        border-radius: 56% 44% 64% 36% / 36% 64% 36% 64%;
    }
}

/* Decorative hairlines */
.hairline-h {
    position: absolute;
    left: 8%;
    right: 8%;
    height: 0.5px;
    background: linear-gradient(90deg, transparent 0%, var(--oxidized-brass) 25%, var(--oxidized-brass) 75%, transparent 100%);
    opacity: 0.55;
    z-index: 6;
    pointer-events: none;
}

/* Stamps */
.stamp,
.stamp-float {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--vermillion-stamp);
    opacity: 0.78;
    display: inline-block;
    box-shadow:
        0 0 0 1.5px rgba(139,58,42,0.18),
        inset 1px 1px 0 rgba(31,24,18,0.18);
    filter: blur(0.2px);
}

.stamp-float {
    position: absolute;
    z-index: 7;
}

.panel .stamp {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* ===== Tickertape ===== */
.tickertape {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 24px;
    background: var(--ink-walnut);
    color: var(--sepia-cream);
    overflow: hidden;
    z-index: 50;
    border-top: 0.5px solid var(--coffee-bark);
}

.tape-track {
    display: flex;
    height: 100%;
    align-items: center;
    white-space: nowrap;
    animation: scroll-x 60s linear infinite;
    will-change: transform;
}

.tape-track.paused {
    animation-play-state: paused;
}

.tape-segment {
    display: inline-block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    padding: 0 2rem;
    white-space: nowrap;
}

@keyframes scroll-x {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ===== Responsive: keep split below 900px but adjust ===== */
@media (max-width: 1100px) {
    .inhale { padding: 6rem 3rem 7rem 5rem; }
    .section-title { font-size: 2.6rem; }
    .quote-text { font-size: 1.8rem; }
}

@media (max-width: 760px) {
    .layout { grid-template-columns: 1fr; }
    .torn-edge { display: none; }
    .exhale { display: none; }
    .inhale { padding: 5rem 1.6rem 6rem 1.6rem; max-width: 100%; }
    .section-title { font-size: 2.2rem; }
    .quote-text { font-size: 1.5rem; }
    .brass-dial { top: 16px; left: 16px; width: 48px; height: 48px; }
    .brass-dial svg { width: 48px; height: 48px; }
}