/* =========================================
   reiwa.bar - Deep Aquarium Bar
   ========================================= */

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

:root {
    --midnight-burgundy: #2A0A1B;
    --wine-blood: #6B1D3A;
    --neon-magenta: #FF2D6B;
    --electric-teal: #00E5CC;
    --bio-gold: #FFB830;
    --smoky-glass: rgba(42, 10, 27, 0.75);
    --warm-cream: #E8D5C4;
    --faded-rose: #B87D8A;
    --abyss: #0D0410;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--midnight-burgundy);
    color: var(--warm-cream);
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    line-height: 1.75;
    overflow-x: hidden;
    min-height: 100vh;
}

/* =========================================
   Noise Overlay
   ========================================= */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* =========================================
   Perspective Container
   ========================================= */
.perspective-container {
    position: relative;
    perspective: 1200px;
    perspective-origin: 50% 50%;
}

/* =========================================
   Layers
   ========================================= */
.layer {
    position: relative;
    width: 100%;
}

.layer-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(
        180deg,
        var(--midnight-burgundy) 0%,
        #1A0612 40%,
        var(--abyss) 80%,
        #050108 100%
    );
    background-attachment: fixed;
}

.layer-content {
    position: relative;
    z-index: 2;
}

.layer-fg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

/* =========================================
   Bioluminescent Dots
   ========================================= */
.bio-dot {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--electric-teal);
    box-shadow: 0 0 6px var(--electric-teal), 0 0 15px var(--electric-teal);
    animation: bioPulse var(--pulse-duration, 4s) ease-in-out infinite;
    animation-delay: var(--pulse-delay, 0s);
    opacity: 0;
}

.bio-dot.gold {
    background: var(--bio-gold);
    box-shadow: 0 0 6px var(--bio-gold), 0 0 15px var(--bio-gold);
}

.bio-dot.magenta {
    background: var(--neon-magenta);
    box-shadow: 0 0 6px var(--neon-magenta), 0 0 15px var(--neon-magenta);
}

@keyframes bioPulse {
    0%, 100% { opacity: 0; transform: scale(0.5); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

/* =========================================
   Navigation Dot
   ========================================= */
.nav-dot {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
    cursor: pointer;
}

.nav-dot-inner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--neon-magenta);
    box-shadow: 0 0 10px var(--neon-magenta), 0 0 30px rgba(255, 45, 107, 0.4);
    animation: navPulse 2s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.nav-dot:hover .nav-dot-inner {
    transform: scale(1.5);
    box-shadow: 0 0 15px var(--neon-magenta), 0 0 50px rgba(255, 45, 107, 0.6);
}

@keyframes navPulse {
    0%, 100% { box-shadow: 0 0 10px var(--neon-magenta), 0 0 30px rgba(255, 45, 107, 0.4); }
    50% { box-shadow: 0 0 15px var(--neon-magenta), 0 0 50px rgba(255, 45, 107, 0.6); }
}

.nav-menu {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--smoky-glass);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    overflow: hidden;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}

.nav-menu.active {
    width: 220px;
    height: 220px;
    opacity: 1;
    pointer-events: auto;
}

.nav-link {
    font-family: 'Silkscreen', monospace;
    font-size: 0.75rem;
    color: var(--electric-teal);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.nav-menu.active .nav-link {
    opacity: 1;
    transform: scale(1);
}

.nav-link:hover {
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
}

/* =========================================
   Fish SVGs - Foreground Animations
   ========================================= */
.fish-svg {
    position: absolute;
    pointer-events: none;
}

/* Tetra schools */
.tetra-school {
    width: 150px;
    height: 45px;
}

.tetra-school-1 {
    top: 15%;
    left: -150px;
    animation: fishDriftRight1 45s linear infinite;
}

.tetra-school-2 {
    top: 55%;
    right: -150px;
    animation: fishDriftLeft1 38s linear infinite;
    animation-delay: -10s;
}

.tetra-school-3 {
    top: 80%;
    left: -150px;
    animation: fishDriftRight2 52s linear infinite;
    animation-delay: -20s;
}

@keyframes fishDriftRight1 {
    0% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(calc(25vw + 38px)) translateY(-20px); }
    50% { transform: translateX(calc(50vw + 75px)) translateY(10px); }
    75% { transform: translateX(calc(75vw + 113px)) translateY(-15px); }
    100% { transform: translateX(calc(100vw + 200px)) translateY(0); }
}

@keyframes fishDriftLeft1 {
    0% { transform: translateX(0) translateY(0) scaleX(-1); }
    25% { transform: translateX(calc(-25vw - 38px)) translateY(15px) scaleX(-1); }
    50% { transform: translateX(calc(-50vw - 75px)) translateY(-10px) scaleX(-1); }
    75% { transform: translateX(calc(-75vw - 113px)) translateY(20px) scaleX(-1); }
    100% { transform: translateX(calc(-100vw - 200px)) translateY(0) scaleX(-1); }
}

@keyframes fishDriftRight2 {
    0% { transform: translateX(0) translateY(0); }
    20% { transform: translateX(calc(20vw + 30px)) translateY(15px); }
    40% { transform: translateX(calc(40vw + 60px)) translateY(-20px); }
    60% { transform: translateX(calc(60vw + 90px)) translateY(10px); }
    80% { transform: translateX(calc(80vw + 120px)) translateY(-10px); }
    100% { transform: translateX(calc(100vw + 200px)) translateY(5px); }
}

/* Angelfish */
.angelfish {
    width: 100px;
    height: 120px;
}

.angelfish-1 {
    top: 25%;
    left: -100px;
    animation: angelDrift1 60s linear infinite;
    filter: drop-shadow(0 10px 15px rgba(255, 45, 107, 0.2));
}

.angelfish-2 {
    top: 65%;
    right: -100px;
    animation: angelDrift2 55s linear infinite;
    animation-delay: -25s;
    filter: drop-shadow(0 10px 15px rgba(0, 229, 204, 0.2));
}

@keyframes angelDrift1 {
    0% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(calc(30vw + 30px)) translateY(-30px); }
    50% { transform: translateX(calc(55vw + 55px)) translateY(20px); }
    75% { transform: translateX(calc(80vw + 80px)) translateY(-25px); }
    100% { transform: translateX(calc(100vw + 150px)) translateY(0); }
}

@keyframes angelDrift2 {
    0% { transform: translateX(0) translateY(0) scaleX(-1); }
    25% { transform: translateX(calc(-30vw - 30px)) translateY(25px) scaleX(-1); }
    50% { transform: translateX(calc(-55vw - 55px)) translateY(-20px) scaleX(-1); }
    75% { transform: translateX(calc(-80vw - 80px)) translateY(30px) scaleX(-1); }
    100% { transform: translateX(calc(-100vw - 150px)) translateY(0) scaleX(-1); }
}

/* Lionfish */
.lionfish {
    width: 200px;
    height: 200px;
    top: 30vh;
    left: 50%;
    transform: translateX(-50%);
    animation: lionfishFloat 8s ease-in-out infinite;
}

@keyframes lionfishFloat {
    0%, 100% { transform: translateX(-50%) translateY(0) rotate(0deg); }
    33% { transform: translateX(-50%) translateY(-15px) rotate(2deg); }
    66% { transform: translateX(-50%) translateY(10px) rotate(-1.5deg); }
}

.lion-spine {
    animation: spinePulse 3s ease-in-out infinite;
    transform-origin: 150px 150px;
}

.lion-spine:nth-child(odd) {
    animation-delay: -1.5s;
}

@keyframes spinePulse {
    0%, 100% { opacity: 0.5; stroke-width: 1.5; }
    50% { opacity: 0.9; stroke-width: 2.5; }
}

/* =========================================
   SECTION: Surface (Hero)
   ========================================= */
.surface {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-title-container {
    text-align: center;
    z-index: 5;
    position: relative;
}

.hero-title {
    font-family: 'Bungee Shade', serif;
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    color: var(--neon-magenta);
    letter-spacing: 0.04em;
    text-shadow:
        0 0 10px var(--neon-magenta),
        0 0 40px rgba(255, 45, 107, 0.5),
        0 0 80px rgba(255, 45, 107, 0.25);
    line-height: 1.2;
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
}

.hero-title .char.visible {
    opacity: 1;
    animation: neonFlicker 0.2s ease-out;
}

@keyframes neonFlicker {
    0% { opacity: 0; }
    20% { opacity: 1; }
    40% { opacity: 0.3; }
    60% { opacity: 1; }
    80% { opacity: 0.5; }
    100% { opacity: 1; }
}

.descend-prompt {
    font-family: 'Silkscreen', monospace;
    font-size: 0.75rem;
    color: var(--electric-teal);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 3rem;
    animation: pulseAttention 2s ease-in-out infinite;
    text-shadow: 0 0 10px var(--electric-teal), 0 0 30px rgba(0, 229, 204, 0.3);
}

@keyframes pulseAttention {
    0%, 100% { opacity: 0.4; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(5px); }
}

/* =========================================
   SECTION: Corridor (Panels)
   ========================================= */
.corridor {
    min-height: 200vh;
    padding: 10vh 0;
    position: relative;
}

.panel {
    position: relative;
    width: clamp(320px, 65vw, 900px);
    margin-bottom: 15vh;
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.panel-left {
    margin-left: 10vw;
    margin-right: auto;
    transform: translateX(-80px) rotateY(2deg);
}

.panel-right {
    margin-left: auto;
    margin-right: 15vw;
    transform: translateX(80px) rotateY(-2deg);
}

.panel.revealed {
    opacity: 1;
}

.panel-left.revealed {
    transform: translateX(0) rotateY(2deg);
}

.panel-right.revealed {
    transform: translateX(0) rotateY(-2deg);
}

.panel-border {
    position: absolute;
    inset: 0;
    border-radius: 4px;
    padding: 2px;
    background: conic-gradient(
        from var(--border-angle, 0deg),
        transparent 0%,
        var(--neon-magenta) 10%,
        transparent 20%,
        transparent 50%,
        var(--electric-teal) 60%,
        transparent 70%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: borderRotate 4s linear infinite;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.panel:hover .panel-border {
    animation-duration: 2s;
    opacity: 1;
}

@property --border-angle {
    syntax: "<angle>";
    initial-value: 0deg;
    inherits: false;
}

@keyframes borderRotate {
    to { --border-angle: 360deg; }
}

.panel-content {
    background: var(--smoky-glass);
    backdrop-filter: blur(8px);
    padding: clamp(1.5rem, 3vw, 3rem);
    border-radius: 4px;
    position: relative;
}

.panel-heading {
    font-family: 'Bungee Shade', serif;
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--neon-magenta);
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--neon-magenta), 0 0 40px rgba(255, 45, 107, 0.3);
}

.panel-text {
    color: var(--warm-cream);
    font-weight: 300;
}

/* =========================================
   SECTION: The Deep
   ========================================= */
.deep {
    min-height: 150vh;
    padding: 15vh 0;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12vh;
}

.deep-text {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.deep-text.revealed {
    opacity: 1;
    transform: translateX(0) !important;
}

.deep-fragment {
    font-family: 'Bungee Shade', serif;
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta), 0 0 40px rgba(255, 45, 107, 0.4);
    display: inline-block;
}

.deep-text-1 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-left: 8vw;
    transform: translateX(-60px) rotate(-2deg);
}

.deep-text-1.revealed {
    transform: rotate(-2deg) !important;
}

.deep-text-2 {
    font-size: clamp(1.5rem, 4vw, 3rem);
    margin-left: auto;
    margin-right: 12vw;
    transform: translateX(60px) rotate(3deg);
}

.deep-text-2.revealed {
    transform: rotate(3deg) !important;
}

.deep-text-3 {
    font-size: clamp(1.8rem, 4.5vw, 3.5rem);
    margin-left: 20vw;
    transform: translateX(-60px) rotate(-4deg);
}

.deep-text-3.revealed {
    transform: rotate(-4deg) !important;
}

.deep-text-4 {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    margin-left: auto;
    margin-right: 5vw;
    transform: translateX(60px) rotate(2deg);
}

.deep-text-4.revealed {
    transform: rotate(2deg) !important;
}

.deep-text-5 {
    font-size: clamp(1.3rem, 3.5vw, 2.5rem);
    margin-left: 15vw;
    transform: translateX(-60px) rotate(5deg);
}

.deep-text-5.revealed {
    transform: rotate(5deg) !important;
}

.deep-text-6 {
    font-size: clamp(1.8rem, 5vw, 3.8rem);
    margin-left: auto;
    margin-right: 8vw;
    transform: translateX(60px) rotate(-3deg);
}

.deep-text-6.revealed {
    transform: rotate(-3deg) !important;
}

/* =========================================
   SECTION: The Floor
   ========================================= */
.floor {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 10vh 5vw;
}

.floor-border-frame {
    position: fixed;
    inset: 0;
    z-index: 50;
    pointer-events: none;
    border: 3px solid transparent;
    opacity: 0;
    transition: opacity 1s ease;
    background: conic-gradient(
        from var(--border-angle, 0deg),
        transparent 0%,
        var(--neon-magenta) 10%,
        transparent 20%,
        transparent 30%,
        var(--electric-teal) 40%,
        transparent 50%,
        transparent 60%,
        var(--bio-gold) 70%,
        transparent 80%
    ) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: borderRotate 6s linear infinite;
}

.floor-border-frame.active {
    opacity: 1;
}

.floor-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4rem;
    text-align: center;
    z-index: 5;
    position: relative;
}

.koi-svg {
    width: clamp(180px, 30vw, 280px);
    height: auto;
    animation: koiRotate 20s linear infinite;
    transition: transform 0.3s ease;
}

@keyframes koiRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.floor-text {
    max-width: 600px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.floor-text.revealed {
    opacity: 1;
    transform: translateY(0);
}

.closing-statement {
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 300;
    color: var(--warm-cream);
    line-height: 1.85;
    margin-bottom: 2rem;
}

.closing-label {
    font-family: 'Silkscreen', monospace;
    font-size: 0.75rem;
    color: var(--electric-teal);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-shadow: 0 0 10px var(--electric-teal), 0 0 30px rgba(0, 229, 204, 0.3);
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
    .panel-left {
        margin-left: 5vw;
    }

    .panel-right {
        margin-right: 5vw;
    }

    .panel {
        width: clamp(280px, 85vw, 600px);
    }

    .nav-dot {
        top: 1rem;
        right: 1rem;
    }

    .lionfish {
        width: 140px;
        height: 140px;
    }

    .deep-text-1 { margin-left: 3vw; }
    .deep-text-2 { margin-right: 3vw; }
    .deep-text-3 { margin-left: 5vw; }
    .deep-text-4 { margin-right: 2vw; }
    .deep-text-5 { margin-left: 3vw; }
    .deep-text-6 { margin-right: 2vw; }
}