/* ===========================================================
   mujun.studio — retro / dual-neon / stacked-sections
   =========================================================== */

:root {
    --void: #0A0A14;
    --panel: #14141E;
    --neon-a: #FF2D6B;       /* hot pink */
    --neon-b: #00E5CC;       /* electric cyan */
    --cream: #F2E8D4;
    --amber: #CC8844;
    --gray: #6B6B7A;

    --rule: 4px;
    --gutter: 16px;
}

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

html, body {
    background: var(--void);
    color: var(--cream);
    font-family: "Work Sans", system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.7;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ----------- TYPOGRAPHY ----------- */
.marquee-title,
.panel-headline,
.process-title,
.closing-statement {
    font-family: "Bebas Neue", "Work Sans", sans-serif;
    font-weight: 400;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.meta-line,
.section-tag,
.index-tag,
.index-coords,
.process-num,
.work-tags li,
.scroll-prompt-label {
    font-family: "Space Mono", "Space", monospace;
    font-weight: 400;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray);
}

p {
    font-size: clamp(15px, 1vw, 17px);
    line-height: 1.7;
    color: var(--cream);
}

/* ----------- REGISTRATION MARKS ----------- */
.reg-mark {
    position: absolute;
    width: 18px;
    height: 18px;
    stroke: var(--gray);
    stroke-width: 1.2;
    fill: none;
    transition: transform 0.4s ease, stroke 0.4s ease;
}
.reg-mark:hover {
    transform: rotate(90deg);
    stroke: var(--neon-b);
}
.reg-tl { top: 16px; left: 16px; }
.reg-tr { top: 16px; right: 16px; }
.reg-bl { bottom: 16px; left: 16px; }
.reg-br { bottom: 16px; right: 16px; }

/* ============================================================
   STUDIO MARQUEE  (100vh)
   ============================================================ */
.marquee {
    position: relative;
    min-height: 100vh;
    background: var(--void);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 96px 32px;
}

.neon-line {
    position: absolute;
    top: 50%;
    width: 4px;
    height: 0;
    transform: translateY(-50%);
    transform-origin: center;
    z-index: 2;
    box-shadow: 0 0 18px currentColor;
    color: transparent;
}
.neon-line-left {
    left: clamp(24px, 12vw, 180px);
    background: var(--neon-a);
    color: var(--neon-a);
    animation: neonGrow 600ms 200ms cubic-bezier(.2,.7,.2,1) forwards,
               neonFlicker 3s 900ms infinite;
}
.neon-line-right {
    right: clamp(24px, 12vw, 180px);
    background: var(--neon-b);
    color: var(--neon-b);
    animation: neonGrow 600ms 200ms cubic-bezier(.2,.7,.2,1) forwards,
               neonFlicker 3s 900ms infinite;
}

@keyframes neonGrow {
    0%   { height: 0; }
    100% { height: 100vh; }
}
@keyframes neonFlicker {
    0%, 100% { opacity: 1; }
    35%      { opacity: 0.85; }
    50%      { opacity: 0.95; }
    70%      { opacity: 0.8; }
}

.halftone {
    position: absolute;
    top: 0;
    bottom: 0;
    width: clamp(40px, 12vw, 180px);
    pointer-events: none;
    background-image:
        radial-gradient(circle at center, var(--cream) 1px, transparent 1.6px);
    background-size: 8px 8px;
    opacity: 0;
    z-index: 1;
    animation: halftoneIn 800ms 1400ms forwards;
}
.halftone-left  { left: 0; }
.halftone-right { right: 0; }

@keyframes halftoneIn {
    to { opacity: 0.06; }
}

.marquee-inner {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: min(60vw, 1100px);
    text-align: center;
}

.marquee-meta-top,
.marquee-meta-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    color: var(--gray);
}

.marquee-title {
    font-size: clamp(48px, 9vw, 128px);
    line-height: 0.9;
    color: var(--cream);
    min-height: 1em;
    word-break: break-word;
}
.marquee-title .title-glyphs {
    display: inline-block;
    white-space: nowrap;
}
.marquee-title .glyph {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    animation: glyphIn 220ms forwards;
}
.marquee-title .glyph.dot {
    color: var(--neon-a);
}
.marquee-title .glyph.studio {
    color: var(--neon-b);
}
@keyframes glyphIn {
    to { opacity: 1; transform: translateY(0); }
}

.marquee-sub {
    font-family: "Space Mono", monospace;
    font-size: 14px;
    letter-spacing: 0.12em;
    color: var(--cream);
    text-transform: uppercase;
    display: flex;
    gap: 12px;
    align-items: baseline;
    opacity: 0;
    animation: subIn 600ms 1800ms forwards;
}
.marquee-sub .kanji {
    font-family: "Bebas Neue", serif;
    color: var(--neon-a);
    font-size: 22px;
    letter-spacing: 0.04em;
}
.marquee-sub .dash { color: var(--gray); }
.marquee-sub .latin { color: var(--cream); }

@keyframes subIn { to { opacity: 1; } }

.scroll-prompt {
    position: absolute;
    bottom: -64px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    color: var(--neon-b);
    opacity: 0;
    animation: scrollPromptIn 600ms 2000ms forwards;
}
.scroll-prompt-chevron {
    width: 22px;
    height: 22px;
    stroke: var(--neon-b);
    stroke-width: 2;
    fill: none;
    animation: scrollPulse 1.6s 2400ms infinite;
}
@keyframes scrollPromptIn { to { opacity: 1; } }
@keyframes scrollPulse {
    0%, 100% { transform: translateY(0); opacity: 0.9; }
    50%      { transform: translateY(6px); opacity: 0.4; }
}

/* ============================================================
   AURORA DIVIDERS (between sections)
   ============================================================ */
.aurora-divider {
    position: relative;
    height: var(--rule);
    width: 100%;
    background: var(--neon-a);
    opacity: 0.85;
    transition: opacity 0.4s ease, box-shadow 0.4s ease;
    animation: auroraPulse 3s ease-in-out infinite;
}
.aurora-divider[data-color="cyan"] {
    background: var(--neon-b);
}
.aurora-divider:hover {
    opacity: 1;
    box-shadow: 0 0 20px currentColor;
}
.aurora-divider[data-color="pink"]  { color: var(--neon-a); }
.aurora-divider[data-color="cyan"]  { color: var(--neon-b); }

@keyframes auroraPulse {
    0%, 100% { opacity: 0.8; }
    50%      { opacity: 1.0; }
}

/* ============================================================
   PANELS  (work / manifesto / index)
   ============================================================ */
.panel {
    position: relative;
    min-height: 80vh;
    padding: clamp(48px, 8vh, 96px) clamp(24px, 6vw, 96px);
    display: flex;
    flex-direction: column;
    gap: 40px;
    background: var(--panel);
    overflow: hidden;
    isolation: isolate;
}
.panel-manifesto         { background: var(--void); }
.panel-work-a            { background: var(--panel); }
.panel-work-b            { background: var(--void); }
.panel-work-c            { background: var(--panel); }
.panel-index             { background: var(--void); }

/* halftone overlay per panel */
.panel::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle at center, var(--cream) 1px, transparent 1.6px);
    opacity: 0.05;
    z-index: 0;
    mix-blend-mode: screen;
}
.panel-manifesto::after { background-size: 4px 4px; }
.panel-work-a::after    { background-size: 6px 6px; }
.panel-work-b::after    { background-size: 8px 8px; }
.panel-work-c::after    { background-size: 6px 6px; }
.panel-index::after     { background-size: 4px 4px; }

/* sweep bar (slide reveal) */
.panel .sweep-bar,
.process .sweep-bar,
.closing .sweep-bar {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    width: 100%;
    background: var(--neon-a);
    transform: scaleX(0);
    transform-origin: left center;
    z-index: 4;
    pointer-events: none;
    box-shadow: 0 0 16px var(--neon-a);
}
[data-sweep="cyan"] .sweep-bar {
    background: var(--neon-b);
    box-shadow: 0 0 16px var(--neon-b);
}

.panel-band {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.band-headline {
    border-top: var(--rule) solid var(--cream);
    padding-top: 24px;
}
.panel-headline {
    font-size: clamp(32px, 5vw, 72px);
    line-height: 1;
    color: var(--cream);
    transition: text-shadow 0.4s ease, color 0.4s ease;
}
.section-tag {
    color: var(--neon-a);
}
.panel-work-b .section-tag { color: var(--neon-b); }
.panel-work-c .section-tag { color: var(--neon-a); }
.panel-index  .section-tag { color: var(--neon-b); }

.hover-glow:hover {
    text-shadow: 0 0 12px rgba(255, 45, 107, 0.5);
    color: #fff;
}
.panel-work-b .hover-glow:hover {
    text-shadow: 0 0 12px rgba(0, 229, 204, 0.55);
}

.band-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    border-top: 1px dashed var(--gray);
    padding-top: 24px;
}
.band-body-split { grid-template-columns: 1fr 1fr; }
.band-body-split.reverse > .work-illus { order: 2; }
.band-body-split.reverse > .work-copy { order: 1; }

.band-body-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.band-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    border-top: 1px dashed var(--gray);
    padding-top: 16px;
}

/* ----------- MANIFESTO ----------- */
.manifesto-col p {
    margin-bottom: 16px;
}
.manifesto-col .lede {
    font-family: "Bebas Neue", sans-serif;
    font-size: clamp(24px, 3vw, 40px);
    line-height: 1.15;
    letter-spacing: 0.03em;
    color: var(--cream);
    border-left: 4px solid var(--neon-a);
    padding-left: 20px;
    text-transform: uppercase;
}

/* ----------- WORK PANELS ----------- */
.work-illus {
    background: var(--void);
    border: 1px solid var(--gray);
    padding: 24px;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.panel-work-b .work-illus { background: var(--panel); }

.illus-svg {
    width: 100%;
    height: 100%;
    stroke: var(--cream);
    fill: none;
}
.ink-stroke {
    stroke: var(--cream);
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}
.ink-thick {
    stroke-width: 3;
}
.ink-text {
    fill: var(--cream);
    font-family: "Bebas Neue", sans-serif;
    font-size: 18px;
    letter-spacing: 0.06em;
}

.work-copy p {
    margin-bottom: 20px;
}
.work-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.work-tags li {
    border: 1px solid var(--gray);
    padding: 6px 12px;
    color: var(--gray);
}
.work-tags li:nth-child(odd) {
    border-color: var(--neon-a);
    color: var(--neon-a);
}
.panel-work-b .work-tags li:nth-child(odd) {
    border-color: var(--neon-b);
    color: var(--neon-b);
}

/* ----------- INDEX CARDS ----------- */
.index-card {
    background: var(--panel);
    border: 1px solid var(--gray);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.4s ease, border-color 0.4s ease;
}
.index-card:hover {
    transform: translateY(-4px);
    border-color: var(--neon-b);
}
.index-tag {
    color: var(--neon-a);
}
.index-card:nth-child(even) .index-tag {
    color: var(--neon-b);
}
.index-title {
    font-family: "Bebas Neue", sans-serif;
    font-size: 28px;
    color: var(--cream);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.index-coords {
    margin-top: auto;
    color: var(--amber);
    font-size: 11px;
}

/* ============================================================
   PROCESS STRIP (horizontal scroll)
   ============================================================ */
.process {
    position: relative;
    background: var(--void);
    padding: clamp(48px, 8vh, 96px) 0 64px;
    overflow: hidden;
    isolation: isolate;
}
.process::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle at center, var(--cream) 1px, transparent 1.6px);
    background-size: 8px 8px;
    opacity: 0.05;
    z-index: 0;
    mix-blend-mode: screen;
}

.process-head {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: end;
    gap: 24px;
    padding: 0 clamp(24px, 6vw, 96px);
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
    border-top: var(--rule) solid var(--cream);
    padding-top: 24px;
}
.process-title {
    font-size: clamp(28px, 4vw, 56px);
    line-height: 1;
    color: var(--cream);
}
.process-controls {
    display: flex;
    gap: 8px;
}
.process-btn {
    background: transparent;
    border: 1px solid var(--gray);
    color: var(--cream);
    width: 44px;
    height: 44px;
    font-size: 20px;
    transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}
.process-btn:hover {
    border-color: var(--neon-b);
    color: var(--neon-b);
}

.process-rack {
    display: flex;
    gap: 24px;
    padding: 0 clamp(24px, 6vw, 96px) 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    position: relative;
    z-index: 1;
    cursor: grab;
}
.process-rack.dragging { cursor: grabbing; }
.process-rack::-webkit-scrollbar { height: 0; }

.process-card {
    flex: 0 0 clamp(260px, 32vw, 380px);
    background: var(--panel);
    border: 1px solid var(--gray);
    padding: 24px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: border-color 0.4s ease, transform 0.4s ease;
}
.process-card:hover {
    border-color: var(--neon-a);
    transform: translateY(-4px);
}
.process-num {
    color: var(--neon-a);
    font-size: 11px;
}
.process-card:nth-child(even) .process-num {
    color: var(--neon-b);
}
.process-card:nth-child(even):hover {
    border-color: var(--neon-b);
}
.process-svg {
    width: 100%;
    height: 140px;
    background: var(--void);
    padding: 8px;
    border: 1px dashed var(--gray);
    box-sizing: border-box;
}
.process-card-title {
    font-family: "Bebas Neue", sans-serif;
    font-size: 24px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--cream);
}
.process-card-body {
    color: var(--cream);
    opacity: 0.85;
}

.process-progress {
    position: relative;
    height: 2px;
    margin: 24px clamp(24px, 6vw, 96px) 0;
    background: rgba(107, 107, 122, 0.3);
}
.process-progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--neon-b);
    box-shadow: 0 0 12px var(--neon-b);
    transition: width 0.15s linear;
}

/* ============================================================
   CLOSING STATEMENT
   ============================================================ */
.closing {
    position: relative;
    min-height: 100vh;
    background: var(--void);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 96px clamp(24px, 8vw, 120px);
    overflow: hidden;
}
.closing::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at center, var(--cream) 1px, transparent 1.6px);
    background-size: 6px 6px;
    opacity: 0.05;
    z-index: 0;
    pointer-events: none;
    mix-blend-mode: screen;
}

.closing-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.closing-statement {
    font-family: "Bebas Neue", sans-serif;
    font-style: italic;
    font-size: clamp(36px, 6vw, 96px);
    line-height: 1.05;
    letter-spacing: 0.03em;
    color: var(--cream);
    text-transform: uppercase;
}
.closing-statement em {
    color: var(--neon-a);
    font-style: italic;
}
.closing-line {
    display: block;
    height: 2px;
    width: 60%;
    margin: 16px auto;
    background: linear-gradient(90deg, transparent, var(--neon-b), transparent);
    opacity: 0.7;
}
.closing-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
}

/* ============================================================
   REVEAL  (slide-in animation, JS toggled)
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal .sweep-bar {
    transition: transform 0.2s cubic-bezier(.6,.1,.2,1);
}
.reveal.is-visible .sweep-bar {
    transform: scaleX(1);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 720px) {
    .marquee-inner { width: 88vw; gap: 24px; }
    .neon-line-left  { left: 16px; }
    .neon-line-right { right: 16px; }
    .panel { padding: 56px 20px; gap: 32px; }
    .band-body,
    .band-body-split { grid-template-columns: 1fr; gap: 24px; }
    .band-body-split.reverse > .work-illus { order: 0; }
    .band-body-split.reverse > .work-copy  { order: 0; }
    .process-head { grid-template-columns: 1fr; align-items: start; }
    .process-controls { justify-self: end; }
    .closing-statement { font-size: clamp(28px, 8vw, 56px); }
    .closing { padding: 64px 24px; }
    .reg-tl, .reg-tr, .reg-bl, .reg-br { width: 14px; height: 14px; }
}