/* ============================================
   heisei.boo — Vaporwave Memorial
   Palette:
     #0d0b1a  background void
     #ff71ce  vaporwave pink
     #01cdfe  vaporwave cyan
     #b967ff  electric violet
     #8a8a8a  static gray
     #f0f0f0  farewell white
     #ff6b9d  gradient start (sunset rose)
     #3d1f8a  gradient end (ocean night)
     #1a1a1a  farewell ink
   ============================================ */

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

:root {
    --bg-void: #0d0b1a;
    --pink: #ff71ce;
    --cyan: #01cdfe;
    --violet: #b967ff;
    --gray: #8a8a8a;
    --white: #f0f0f0;
    --rose: #ff6b9d;
    --ocean: #3d1f8a;
    --ink: #1a1a1a;

    --font-mincho: "Shippori Mincho", "Noto Serif JP", "Inter", serif;
    --font-zen: "Zen Kaku Gothic New", "Inter", sans-serif;
    --font-noto: "Noto Sans JP", "Inter", sans-serif;
    --font-inter: "Inter", sans-serif;
}

html, body {
    background: var(--bg-void);
    color: var(--white);
    font-family: var(--font-noto);
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
}

/* ===== CRT Static (global overlay) ===== */
.crt-static {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
    mix-blend-mode: overlay;
    opacity: 0.05;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='1'/></svg>");
    animation: staticShift 0.12s steps(4) infinite;
}

@keyframes staticShift {
    0%   { background-position: 0 0; }
    25%  { background-position: -40px 30px; }
    50%  { background-position: 80px -50px; }
    75%  { background-position: -20px 70px; }
    100% { background-position: 100px 100px; }
}

.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 8999;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.02) 0px,
        rgba(255, 255, 255, 0.02) 1px,
        transparent 1px,
        transparent 3px
    );
    mix-blend-mode: overlay;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4rem 6vw;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(185, 103, 255, 0.25) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 70%, rgba(1, 205, 254, 0.18) 0%, transparent 60%),
        var(--bg-void);
}

.hero-static-curtain {
    position: absolute;
    inset: 0;
    z-index: 50;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    background-size: 250px 250px;
    animation: staticShift 0.08s steps(4) infinite, curtainFade 3.2s ease-out 0.4s forwards;
    opacity: 1;
    pointer-events: none;
    mix-blend-mode: screen;
}

@keyframes curtainFade {
    0%   { opacity: 1; filter: brightness(1.4) contrast(1.2); }
    60%  { opacity: 0.6; }
    100% { opacity: 0; filter: brightness(1) contrast(1); }
}

/* Faux 3D columns scattered in BG */
.columns-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.12;
}

.column {
    position: absolute;
    width: clamp(60px, 6vw, 110px);
    height: 70vh;
    bottom: -8vh;
    background: linear-gradient(180deg, var(--pink) 0%, var(--violet) 60%, var(--ocean) 100%);
    border-radius: 50% 50% 4px 4px / 14px 14px 4px 4px;
    box-shadow:
        inset -6px 0 12px rgba(0, 0, 0, 0.3),
        inset 6px 0 12px rgba(255, 255, 255, 0.15);
}
.col-1 { left: 4%;  height: 60vh; transform: rotate(-1deg); }
.col-2 { left: 22%; height: 78vh; }
.col-3 { right: 18%; height: 52vh; transform: rotate(1deg); }
.col-4 { right: 5%;  height: 70vh; }

.hero-inner {
    position: relative;
    z-index: 5;
    text-align: center;
    max-width: 1200px;
    width: 100%;
}

.hero-pretitle {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-inter);
    font-size: 0.72rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--cyan);
    border: 1px solid rgba(1, 205, 254, 0.4);
    padding: 0.5rem 1rem;
    margin-bottom: 2.5rem;
    background: rgba(1, 205, 254, 0.04);
}

.tv-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--pink);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--pink);
    animation: tvBlink 1.4s ease-in-out infinite;
}

@keyframes tvBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.25; }
}

.hero-title {
    position: relative;
    font-family: var(--font-mincho);
    font-weight: 800;
    font-size: clamp(6rem, 18vw, 18rem);
    line-height: 0.85;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, var(--rose) 0%, var(--pink) 30%, var(--violet) 60%, var(--cyan) 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin: 0 auto;
    display: inline-block;
    text-shadow: 0 0 60px rgba(255, 113, 206, 0.35);
}

/* Glitch effect using ::before / ::after */
.hero-title::before,
.hero-title::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    background: inherit;
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    pointer-events: none;
}

.hero-title::before {
    animation: glitchA 5s infinite steps(1);
    text-shadow: -2px 0 var(--cyan);
}

.hero-title::after {
    animation: glitchB 5s infinite steps(1);
    text-shadow: 2px 0 var(--pink);
}

@keyframes glitchA {
    0%, 95%, 100% { clip-path: none; transform: none; }
    96% { clip-path: inset(20% 0 60% 0); transform: translateX(3px); }
    97% { clip-path: inset(50% 0 20% 0); transform: translateX(-3px); }
    98% { clip-path: inset(10% 0 70% 0); transform: translateX(2px); }
}
@keyframes glitchB {
    0%, 95%, 100% { clip-path: none; transform: none; }
    96% { clip-path: inset(60% 0 20% 0); transform: translateX(-3px); }
    97% { clip-path: inset(15% 0 55% 0); transform: translateX(3px); }
    98% { clip-path: inset(70% 0 10% 0); transform: translateX(-2px); }
}

.hero-romaji {
    font-family: var(--font-inter);
    font-weight: 300;
    font-size: clamp(0.9rem, 1.4vw, 1.2rem);
    letter-spacing: 1.2em;
    text-indent: 1.2em;
    color: var(--gray);
    margin: 1.2rem 0 2.5rem;
}

.hero-dates {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-inter);
    font-size: clamp(1rem, 1.6vw, 1.4rem);
    letter-spacing: 0.25em;
    color: var(--cyan);
    margin-bottom: 2rem;
    padding: 0.6rem 1.4rem;
    border-top: 1px solid rgba(1, 205, 254, 0.3);
    border-bottom: 1px solid rgba(1, 205, 254, 0.3);
}

.date-flicker {
    animation: flicker 4s infinite;
}
.date-flicker:nth-child(3) {
    animation-delay: 1.7s;
}

.date-sep {
    color: var(--pink);
}

@keyframes flicker {
    0%, 92%, 100% { opacity: 1; }
    93%           { opacity: 0.3; }
    94%           { opacity: 1; }
    95%           { opacity: 0.5; }
    96%           { opacity: 1; }
}

.hero-sub {
    font-family: var(--font-noto);
    font-weight: 300;
    font-size: clamp(0.8rem, 1vw, 0.95rem);
    letter-spacing: 0.18em;
    color: rgba(240, 240, 240, 0.6);
    max-width: 540px;
    margin: 0 auto 4rem;
}

.hero-scroll-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-inter);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--pink);
}

.hint-line {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, var(--pink), transparent);
    animation: hintPulse 2s ease-in-out infinite;
}

@keyframes hintPulse {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50%      { transform: translateX(12px); opacity: 0.5; }
}

/* ===== MEMORY REEL ===== */
.reel {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background:
        linear-gradient(180deg, var(--bg-void) 0%, #110826 50%, var(--bg-void) 100%);
}

.reel-track {
    display: flex;
    flex-wrap: nowrap;
    width: 300vw;
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}
.reel-track::-webkit-scrollbar { display: none; }

/* Ghost layer */
.ghost-layer {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}

.ghost-kanji {
    position: absolute;
    font-family: var(--font-mincho);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.15);
    white-space: nowrap;
    animation: drift 30s linear infinite;
}

.ghost-1 { top: 8%;  font-size: 14vw; left: -20%; animation-duration: 38s; }
.ghost-2 { top: 60%; font-size: 9vw;  left: -15%; animation-duration: 45s; animation-delay: -8s; }
.ghost-3 { top: 30%; font-size: 18vw; left: -25%; animation-duration: 52s; animation-delay: -20s; opacity: 0.7; }
.ghost-4 { top: 78%; font-size: 11vw; left: -10%; animation-duration: 34s; animation-delay: -12s; }
.ghost-5 { top: 18%; font-size: 7vw;  left: -10%; animation-duration: 28s; animation-delay: -4s; }
.ghost-6 { top: 50%; font-size: 22vw; left: -30%; animation-duration: 60s; animation-delay: -30s; opacity: 0.6;}
.ghost-7 { top: 70%; font-size: 8vw;  left: -10%; animation-duration: 40s; animation-delay: -18s; }

@keyframes drift {
    0%   { transform: translateX(0); }
    100% { transform: translateX(380vw); }
}

/* Frames */
.frame {
    position: relative;
    min-width: 100vw;
    height: 100%;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4rem 8vw;
}

.frame-bg-grad {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.55;
}

.grad-1 { background: radial-gradient(ellipse at 25% 50%, var(--pink) 0%, transparent 55%),
                       radial-gradient(ellipse at 80% 30%, var(--violet) 0%, transparent 55%),
                       linear-gradient(135deg, var(--ocean) 0%, var(--bg-void) 100%); }
.grad-2 { background: radial-gradient(ellipse at 70% 60%, var(--cyan) 0%, transparent 55%),
                       radial-gradient(ellipse at 20% 25%, var(--rose) 0%, transparent 55%),
                       linear-gradient(160deg, var(--bg-void) 0%, var(--ocean) 100%); }
.grad-3 { background: radial-gradient(ellipse at 50% 70%, var(--violet) 0%, transparent 55%),
                       radial-gradient(ellipse at 85% 20%, var(--pink) 0%, transparent 55%),
                       linear-gradient(180deg, #0d0b1a 0%, #1a0d3a 60%, var(--ocean) 100%); }

.frame-grid {
    position: absolute;
    inset: 50% 0 0 0;
    z-index: 2;
    background:
        linear-gradient(180deg, transparent 0%, rgba(13, 11, 26, 0.8) 80%),
        repeating-linear-gradient(0deg, transparent 0 39px, rgba(255, 113, 206, 0.4) 39px 40px),
        repeating-linear-gradient(90deg, transparent 0 39px, rgba(1, 205, 254, 0.3) 39px 40px);
    transform: perspective(500px) rotateX(60deg);
    transform-origin: top center;
}

.frame-sun {
    position: absolute;
    width: 36vw;
    height: 36vw;
    max-width: 480px;
    max-height: 480px;
    right: 6vw;
    top: 12%;
    z-index: 2;
    border-radius: 50%;
    background: linear-gradient(180deg, var(--rose) 0%, var(--violet) 50%, var(--ocean) 100%);
    box-shadow: 0 0 80px rgba(255, 107, 157, 0.4);
    overflow: hidden;
}
.frame-sun::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(0deg, transparent 0 16px, rgba(13, 11, 26, 0.6) 16px 22px);
    mix-blend-mode: multiply;
}
.frame-sun-alt {
    left: 6vw;
    right: auto;
    background: linear-gradient(180deg, var(--cyan) 0%, var(--violet) 60%, var(--ocean) 100%);
}

.frame-content {
    position: relative;
    z-index: 5;
    max-width: 640px;
    margin-right: auto;
    backdrop-filter: blur(2px);
}
.frame-2 .frame-content { margin-right: 0; margin-left: auto; }

.frame-meta {
    display: flex;
    gap: 1.6rem;
    font-family: var(--font-inter);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1.5rem;
}
.frame-meta .frame-tape { color: var(--pink); }

.frame-decade {
    font-family: var(--font-zen);
    font-weight: 700;
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    letter-spacing: 0.05em;
    background: linear-gradient(90deg, var(--rose), var(--pink), var(--cyan));
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: 0.4rem;
}

.frame-subtitle {
    font-family: var(--font-mincho);
    font-weight: 800;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--white);
    margin-bottom: 1.4rem;
    letter-spacing: 0.05em;
}

.frame-jp {
    font-family: var(--font-noto);
    font-weight: 400;
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--pink);
    margin-bottom: 1.2rem;
    border-left: 2px solid var(--cyan);
    padding-left: 1rem;
}

.frame-text {
    font-family: var(--font-noto);
    font-weight: 300;
    font-size: 0.92rem;
    line-height: 1.9;
    color: rgba(240, 240, 240, 0.78);
    margin-bottom: 1.6rem;
}

.frame-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.frame-tags li {
    font-family: var(--font-inter);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.35rem 0.7rem;
    border: 1px solid rgba(1, 205, 254, 0.4);
    color: var(--cyan);
    background: rgba(1, 205, 254, 0.06);
}

.frame-columns {
    display: flex;
    gap: 0.6rem;
    align-items: flex-end;
    height: 70px;
}
.mini-col {
    flex: 1;
    height: 100%;
    background: linear-gradient(180deg, var(--pink) 0%, var(--violet) 60%, var(--ocean) 100%);
    border-radius: 50% 50% 2px 2px / 8px 8px 2px 2px;
    opacity: 0.55;
}
.mini-col:nth-child(2) { height: 90%; opacity: 0.7; }
.mini-col:nth-child(3) { height: 60%; opacity: 0.5; }
.mini-col:nth-child(4) { height: 80%; opacity: 0.6; }

/* Reel progress */
.reel-progress {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    width: min(360px, 70vw);
    font-family: var(--font-inter);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--gray);
}
.reel-progress-bar {
    position: relative;
    height: 2px;
    background: rgba(255, 255, 255, 0.12);
    margin-bottom: 0.6rem;
    overflow: hidden;
}
.reel-progress-bar::after {
    content: "";
    position: absolute;
    inset: 0;
    width: var(--progress, 10%);
    background: linear-gradient(90deg, var(--cyan), var(--pink), var(--violet));
    transition: width 0.2s ease-out;
}
.reel-progress-labels {
    display: flex;
    justify-content: space-between;
}
.reel-progress-labels span {
    transition: color 0.3s, transform 0.3s;
}
.reel-progress-labels span.active {
    color: var(--pink);
    transform: scale(1.15);
}

/* ===== FAREWELL ===== */
.farewell {
    position: relative;
    background: var(--white);
    color: var(--ink);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 8vw;
    z-index: 100;
}

.farewell-inner {
    max-width: 720px;
    text-align: center;
}

.farewell-pre {
    font-family: var(--font-inter);
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 3rem;
}

.farewell-title {
    font-family: var(--font-zen);
    font-weight: 700;
    font-size: clamp(4rem, 11vw, 9rem);
    letter-spacing: 0.05em;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 1rem;
}

.farewell-romaji {
    font-family: var(--font-inter);
    font-weight: 300;
    font-size: 1rem;
    letter-spacing: 0.5em;
    text-indent: 0.5em;
    color: var(--gray);
    margin-bottom: 3rem;
}

.farewell-text {
    font-family: var(--font-noto);
    font-weight: 300;
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--ink);
    max-width: 540px;
    margin: 0 auto 4rem;
}

.farewell-meta {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    font-family: var(--font-inter);
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gray);
    padding-top: 2rem;
    border-top: 1px solid rgba(26, 26, 26, 0.15);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .frame { padding: 3rem 6vw; }
    .frame-content { max-width: 100%; }
    .frame-2 .frame-content { margin: 0; }
    .frame-sun { width: 60vw; height: 60vw; opacity: 0.6; }
    .col-1, .col-3 { display: none; }
    .reel { height: 100vh; }
    .hero-romaji { letter-spacing: 0.6em; text-indent: 0.6em; }
}