/* storiographer.com — horizontal scroll street-mural */

:root {
    --violet: #4a2a6a;
    --teal: #2a6a8a;
    --aurora-green: #4ade80;
    --cream: #f0e8e0;
    --ink: #1a1a1a;
    --pink: #e86090;
    --stone: #8a8480;
    --aurora-pos: 0;
}

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

html, body {
    background: var(--ink);
    color: var(--ink);
    font-family: 'Merriweather', Georgia, serif;
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.8;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    position: relative;
}

/* Aurora gradient backdrop — shifts via JS-driven --aurora-pos (0–100) */
.aurora {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 80% 60% at calc(var(--aurora-pos, 0) * 1%) 30%, var(--aurora-green) 0%, transparent 55%),
        radial-gradient(ellipse 80% 60% at calc((100 - var(--aurora-pos, 0)) * 1%) 70%, var(--teal) 0%, transparent 55%),
        linear-gradient(115deg, var(--violet) 0%, var(--teal) 50%, var(--aurora-green) 100%);
    background-size: 100% 100%;
    transition: background-position 200ms ease;
    filter: saturate(1.05);
}

.aurora::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 4px),
        radial-gradient(circle at 50% 60%, rgba(0, 0, 0, 0.18), transparent 70%);
    mix-blend-mode: overlay;
    pointer-events: none;
}

/* Horizontal scroll rail */
.rail {
    width: 100%;
    height: 100vh;
    overflow-x: auto;
    overflow-y: hidden;
    display: flex;
    flex-direction: row;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.rail::-webkit-scrollbar {
    height: 6px;
    background: rgba(0, 0, 0, 0.18);
}

.rail::-webkit-scrollbar-thumb {
    background: var(--pink);
    border-radius: 3px;
}

.panel {
    flex: 0 0 auto;
    min-width: 100vw;
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(24px, 5vw, 80px);
    scroll-snap-align: start;
}

/* Scroll meta indicator */
.scroll-meta {
    position: fixed;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 18px;
    background: rgba(26, 26, 26, 0.7);
    border: 2px solid var(--cream);
    border-radius: 999px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    color: var(--cream);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.scroll-key {
    font-family: 'Permanent Marker', cursive;
    color: var(--pink);
    font-size: 14px;
    letter-spacing: 0.04em;
}

.scroll-track {
    width: 140px;
    height: 4px;
    background: rgba(240, 232, 224, 0.25);
    border-radius: 2px;
    overflow: hidden;
}

.scroll-fill {
    height: 100%;
    width: 0;
    background: var(--pink);
    transition: width 120ms linear;
}

/* MARBLE CARD ====================================== */
.marble-card {
    position: relative;
    background-color: var(--cream);
    background-image:
        linear-gradient(125deg, transparent 0%, rgba(138, 132, 128, 0.08) 22%, transparent 23%, transparent 38%, rgba(138, 132, 128, 0.06) 42%, transparent 44%),
        linear-gradient(60deg, transparent 0%, rgba(138, 132, 128, 0.05) 30%, transparent 32%, transparent 60%, rgba(138, 132, 128, 0.07) 70%, transparent 72%),
        radial-gradient(ellipse at 20% 30%, rgba(138, 132, 128, 0.10), transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(138, 132, 128, 0.08), transparent 55%);
    border: 2px solid var(--ink);
    color: var(--ink);
    padding: clamp(28px, 4vw, 64px);
    box-shadow: 8px 8px 0 var(--ink);
    max-width: min(80vw, 920px);
    z-index: 2;
    overflow: visible;
}

.marble-card.narrow { max-width: min(56vw, 560px); }
.marble-card.wide   { max-width: min(76vw, 880px); }
.marble-card.huge   { max-width: min(82vw, 1040px); }

/* SVG border animation */
.border-svg {
    position: absolute;
    inset: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    pointer-events: none;
    z-index: 3;
}

.border-rect {
    fill: none;
    stroke: var(--pink);
    stroke-width: 2;
    vector-effect: non-scaling-stroke;
    stroke-dasharray: 392;
    stroke-dashoffset: 392;
    transition: stroke-dashoffset 800ms ease;
}

.panel.in-view .border-rect {
    stroke-dashoffset: 0;
}

/* Panel content */
.panel-num {
    display: inline-block;
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--pink);
    background: var(--ink);
    padding: 4px 12px;
    margin-bottom: 22px;
}

.title-mono {
    font-family: 'Share Tech Mono', monospace;
    font-size: clamp(28px, 5vw, 64px);
    line-height: 0.96;
    text-transform: uppercase;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: 22px;
    font-weight: 400;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 500ms ease 800ms, transform 500ms ease 800ms;
}

.panel.in-view .title-mono {
    opacity: 1;
    transform: translateY(0);
}

.marker-tag {
    font-family: 'Permanent Marker', cursive;
    font-size: clamp(18px, 2.4vw, 28px);
    color: var(--pink);
    margin-bottom: 18px;
    transform: rotate(-2deg);
    display: inline-block;
    opacity: 0;
    transition: opacity 500ms ease 1100ms;
}

.panel.in-view .marker-tag { opacity: 1; }

.body-text {
    font-family: 'Merriweather', serif;
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.8;
    color: var(--ink);
    max-width: 56ch;
    margin-bottom: 14px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 500ms ease 1200ms, transform 500ms ease 1200ms;
}

.panel.in-view .body-text {
    opacity: 1;
    transform: translateY(0);
}

/* Story index */
.story-index {
    list-style: none;
    counter-reset: idx;
    margin-top: 12px;
}

.story-index li {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 18px;
    align-items: baseline;
    padding: 14px 0;
    border-top: 1px dashed var(--stone);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 400ms ease, transform 400ms ease;
}

.story-index li:last-child {
    border-bottom: 1px dashed var(--stone);
}

.panel.in-view .story-index li {
    opacity: 1;
    transform: translateY(0);
}

.panel.in-view .story-index li:nth-child(1) { transition-delay: 1100ms; }
.panel.in-view .story-index li:nth-child(2) { transition-delay: 1240ms; }
.panel.in-view .story-index li:nth-child(3) { transition-delay: 1380ms; }
.panel.in-view .story-index li:nth-child(4) { transition-delay: 1520ms; }

.idx-num {
    font-family: 'Share Tech Mono', monospace;
    color: var(--pink);
    font-size: 14px;
    letter-spacing: 0.12em;
}

.idx-title {
    font-family: 'Merriweather', serif;
    font-weight: 700;
    color: var(--ink);
    font-size: clamp(16px, 1.7vw, 21px);
}

.idx-meta {
    font-family: 'Share Tech Mono', monospace;
    color: var(--stone);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* Big quote */
.big-quote {
    font-family: 'Merriweather', serif;
    font-style: italic;
    font-size: clamp(22px, 3vw, 38px);
    line-height: 1.3;
    color: var(--ink);
    margin: 14px 0 22px;
    max-width: 22ch;
    opacity: 0;
    transition: opacity 600ms ease 900ms;
}

.panel.in-view .big-quote { opacity: 1; }

.hl-pink {
    color: var(--pink);
    background: var(--ink);
    padding: 0 6px;
    font-family: 'Permanent Marker', cursive;
    font-style: normal;
    font-size: 0.92em;
    transform: rotate(-1deg);
    display: inline-block;
}

/* Marker stamp */
.marker-stamp {
    position: absolute;
    bottom: 8vh;
    right: 6vw;
    font-family: 'Permanent Marker', cursive;
    font-size: clamp(48px, 7vw, 96px);
    color: var(--pink);
    transform: rotate(-12deg);
    text-shadow: 4px 4px 0 var(--ink);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 600ms ease 1300ms, transform 600ms ease 1300ms;
}

.panel.in-view .marker-stamp {
    opacity: 0.92;
    transform: rotate(-9deg);
}

/* Art-Nouveau curls */
.curl {
    position: absolute;
    width: clamp(140px, 18vw, 260px);
    height: clamp(140px, 18vw, 260px);
    z-index: 1;
    overflow: visible;
    pointer-events: none;
}

.curl-tl { top: 6vh; left: 4vw; }
.curl-br { bottom: 6vh; right: 4vw; transform: rotate(180deg); }

.curl-path {
    fill: none;
    stroke: var(--violet);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-dasharray: 320;
    stroke-dashoffset: 320;
    transition: stroke-dashoffset 1200ms ease 600ms;
}

.panel.in-view .curl-path {
    stroke-dashoffset: 0;
}

.end-card .title-mono {
    color: var(--pink);
}

/* Hide horizontal scrollbar visually but keep functional */
.rail {
    scrollbar-width: thin;
    scrollbar-color: var(--pink) rgba(0, 0, 0, 0.12);
}

/* Responsive ======================================= */
@media (max-width: 700px) {
    .marble-card,
    .marble-card.huge,
    .marble-card.narrow,
    .marble-card.wide {
        max-width: 90vw;
        padding: 24px;
    }
    .scroll-meta { font-size: 10px; padding: 6px 12px; }
    .scroll-track { width: 80px; }
    .marker-stamp { font-size: 56px; }
}