/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-deep: #0a0a0f;
    --bg-elevated: #1a1a2e;
    --surface: #2d2d44;
    --text-primary: #8888aa;
    --text-emphasized: #c8c8e0;
    --text-bright: #f0f0ff;
    --accent: #ff4081;
    --font-display: 'Barlow Condensed', sans-serif;
    --font-body: 'Cormorant Garamond', serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

html {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    background: var(--bg-deep);
}

.svg-filters { position: absolute; width: 0; height: 0; }

/* === SCROLL SNAP === */
#scroll-container {
    scroll-snap-type: y proximity;
    overflow-y: auto;
    height: 100vh;
    scroll-behavior: smooth;
}

.snap-section {
    min-height: 100vh;
    scroll-snap-align: start;
    position: relative;
    overflow: hidden;
}

.section-content {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* === BUBBLE NAVIGATION === */
#bubble-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bubble-link {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(136, 136, 170, 0.3);
    border: 1px solid rgba(136, 136, 170, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
}

.bubble-link span {
    position: absolute;
    right: 2rem;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-primary);
    opacity: 0;
    transform: translateX(8px);
    transition: all 0.4s ease;
    pointer-events: none;
}

.bubble-link:hover span {
    opacity: 1;
    transform: translateX(0);
}

.bubble-link.active {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(255, 64, 129, 0.4);
}

/* === FISH TANK === */
#fish-tank {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.fish {
    position: absolute;
    filter: url(#watercolor);
    opacity: 0;
    animation: fishFadeIn 3s ease forwards;
}

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

.fish-angelfish {
    width: 60px;
    height: 50px;
}

.fish-betta {
    width: 70px;
    height: 55px;
}

.fish-discus {
    width: 50px;
    height: 50px;
}

/* Fish swimming animations */
@keyframes swim1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scaleX(var(--dir, 1)); }
    25% { transform: translate(calc(15vw * var(--dir, 1)), -30px) rotate(3deg) scaleX(var(--dir, 1)); }
    50% { transform: translate(calc(30vw * var(--dir, 1)), 10px) rotate(-2deg) scaleX(var(--dir, 1)); }
    75% { transform: translate(calc(20vw * var(--dir, 1)), -20px) rotate(4deg) scaleX(var(--dir, 1)); }
}

@keyframes swim2 {
    0%, 100% { transform: translate(0, 0) rotate(-1deg) scaleX(var(--dir, 1)); }
    33% { transform: translate(calc(-10vw * var(--dir, 1)), 40px) rotate(3deg) scaleX(var(--dir, 1)); }
    66% { transform: translate(calc(10vw * var(--dir, 1)), -25px) rotate(-4deg) scaleX(var(--dir, 1)); }
}

@keyframes swim3 {
    0%, 100% { transform: translate(0, 0) rotate(2deg) scaleX(var(--dir, 1)); }
    20% { transform: translate(calc(20vw * var(--dir, 1)), 15px) rotate(-1deg) scaleX(var(--dir, 1)); }
    40% { transform: translate(calc(5vw * var(--dir, 1)), -35px) rotate(5deg) scaleX(var(--dir, 1)); }
    60% { transform: translate(calc(-8vw * var(--dir, 1)), 20px) rotate(-3deg) scaleX(var(--dir, 1)); }
    80% { transform: translate(calc(12vw * var(--dir, 1)), -10px) rotate(2deg) scaleX(var(--dir, 1)); }
}

/* === BUBBLES === */
#bubbles-container {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(240, 240, 255, 0.12), rgba(240, 240, 255, 0.02));
    border: 1px solid rgba(240, 240, 255, 0.06);
    animation: bubbleRise linear infinite;
}

@keyframes bubbleRise {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-110vh) translateX(var(--drift, 20px)); opacity: 0; }
}

/* === HALFTONE OVERLAY === */
.halftone-overlay {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--text-primary) 0.8px, transparent 0.8px);
    background-size: 12px 12px;
    opacity: 0.05;
    pointer-events: none;
    z-index: 0;
}

/* === SECTION: DESCENT === */
.descent-content {
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(4rem, 12vw, 10rem);
    line-height: 0.9;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: var(--text-bright);
    position: relative;
    z-index: 5;
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--accent);
    text-shadow: 0 0 60px rgba(255, 64, 129, 0.3);
}

.hero-tagline {
    font-family: var(--font-body);
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1rem, 2.5vw, 1.6rem);
    color: var(--text-primary);
    max-width: 500px;
    z-index: 5;
    opacity: 0;
    animation: fadeUp 1.5s ease 0.8s forwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.watercolor-bleed {
    position: absolute;
    bottom: -40%;
    left: -20%;
    width: 140%;
    height: 80%;
    background: radial-gradient(ellipse at 30% 80%, rgba(255, 64, 129, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 60%, rgba(26, 26, 46, 0.8) 0%, transparent 60%);
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

/* === SECTION: DISCOVERY === */
.discovery-content {
    padding: 4rem 3rem;
    width: 100%;
}

.discovery-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: auto auto;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.feature-panel {
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid rgba(136, 136, 170, 0.1);
    border-radius: 4px;
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1),
                filter 0.8s ease,
                opacity 0.8s ease;
    opacity: 0;
    transform: translateY(40px);
}

.feature-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--text-primary) 0.5px, transparent 0.5px);
    background-size: 10px 10px;
    opacity: 0.04;
}

.panel-1 { grid-column: 1 / 4; grid-row: 1; }
.panel-2 { grid-column: 4 / 7; grid-row: 1; }
.panel-3 { grid-column: 2 / 5; grid-row: 2; }
.panel-4 { grid-column: 5 / 8; grid-row: 2; }

.panel-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 1.2rem;
}

.panel-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    letter-spacing: -0.03em;
    color: var(--text-emphasized);
    line-height: 1;
    margin-bottom: 1rem;
}

.panel-desc {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-primary);
    max-width: 380px;
}

/* Depth blur on scroll */
.feature-panel[data-depth="1"] { filter: blur(0px); }
.feature-panel[data-depth="2"] { filter: blur(0.5px); }
.feature-panel[data-depth="3"] { filter: blur(1px); }
.feature-panel.in-focus { filter: blur(0px) !important; }

/* === SECTION: IMMERSION === */
.immersion-content {
    background: var(--bg-deep);
    position: relative;
}

.immersion-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: glowPulse 8s ease-in-out infinite;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: rgba(255, 64, 129, 0.08);
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.glow-2 {
    width: 300px;
    height: 300px;
    background: rgba(26, 26, 46, 0.9);
    top: 40%;
    right: 20%;
    animation-delay: 2.5s;
}

.glow-3 {
    width: 500px;
    height: 500px;
    background: rgba(136, 136, 170, 0.05);
    bottom: 10%;
    left: 40%;
    animation-delay: 5s;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.3); opacity: 1; }
}

.immersion-dots {
    opacity: 0.07;
}

/* === SECTION: EMERGENCE === */
.emergence-content {
    flex-direction: column;
    padding: 2rem;
}

.emergence-panel {
    text-align: center;
    max-width: 600px;
    position: relative;
    z-index: 5;
}

.emergence-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: -0.03em;
    color: var(--text-bright);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    line-height: 0.95;
}

.emergence-desc {
    font-family: var(--font-body);
    font-weight: 300;
    font-style: italic;
    font-size: 1.3rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-block;
    position: relative;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-bright);
    background: var(--accent);
    padding: 1rem 3rem;
    border: none;
    border-radius: 2px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s ease;
    overflow: hidden;
}

.cta-button:hover {
    box-shadow: 0 0 40px rgba(255, 64, 129, 0.4);
    transform: translateY(-2px);
}

.cta-glow {
    position: absolute;
    inset: -2px;
    border-radius: 4px;
    background: var(--accent);
    filter: blur(12px);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.cta-button:hover .cta-glow {
    opacity: 0.4;
}

.emergence-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: rgba(136, 136, 170, 0.5);
    margin-top: 3rem;
    text-transform: uppercase;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .discovery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        padding: 0 1rem;
    }
    .panel-1, .panel-2, .panel-3, .panel-4 {
        grid-column: 1;
        grid-row: auto;
    }
    #bubble-nav { right: 1rem; }
}