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

:root {
    --cyan: #00e5ff;
    --magenta: #bf00ff;
    --pink: #ff006e;
    --void: #0a0b1e;
    --deep: #1a0a2e;
    --mist: #e8edf5;
    --silver: #b8c4d4;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    overflow-x: hidden;
}

body {
    background: var(--void);
    color: var(--mist);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* === LAYERS === */
.layer {
    position: relative;
    width: 100vw;
    height: 100vh;
    scroll-snap-align: start;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#layer-0 {
    background: radial-gradient(ellipse at 50% 120%, var(--deep) 0%, var(--void) 70%);
}

#layer-1 {
    background: radial-gradient(ellipse at 30% 50%, rgba(0,229,255,0.06) 0%, var(--void) 60%);
}

#layer-2 {
    background: radial-gradient(ellipse at 70% 40%, rgba(191,0,255,0.06) 0%, var(--void) 60%);
}

#layer-3 {
    background: radial-gradient(ellipse at 50% 50%, rgba(255,0,110,0.06) 0%, var(--void) 60%);
}

#layer-4 {
    background: radial-gradient(ellipse at 50% 80%, var(--deep) 0%, var(--void) 70%);
}

/* === GRID OVERLAY === */
.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* === GLASS PANELS === */
.glass-panel {
    background: rgba(26,10,46,0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.12);
    border-radius: 16px;
    padding: 3rem;
    position: relative;
    z-index: 2;
}

/* === HERO === */
.hero-panel {
    text-align: center;
    max-width: 800px;
}

.hero-wordmark {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(4rem, 14vw, 12rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    text-transform: lowercase;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 50%, var(--pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.hero-tagline {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1.3rem);
    color: var(--silver);
    letter-spacing: 0.1em;
    text-transform: lowercase;
}

/* === SCROLL INDICATOR === */
.scroll-indicator {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: pulse-fade 2s ease-in-out infinite;
}

.scroll-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--cyan);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-arrow {
    animation: bob 2s ease-in-out infinite;
}

@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes pulse-fade {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* === ISOMETRIC OBJECTS === */
.iso-objects {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.iso-cube, .iso-sphere, .iso-pyramid {
    position: absolute;
    opacity: 0.6;
}

.iso-float-1 {
    top: 15%;
    left: 8%;
    animation: iso-drift-1 12s ease-in-out infinite;
}

.iso-float-2 {
    top: 20%;
    right: 10%;
    animation: iso-drift-2 15s ease-in-out infinite;
}

.iso-float-3 {
    bottom: 18%;
    left: 15%;
    animation: iso-drift-3 10s ease-in-out infinite;
}

.iso-float-4 {
    top: 25%;
    right: 15%;
    animation: iso-drift-1 14s ease-in-out infinite;
}

@keyframes iso-drift-1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes iso-drift-2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(15px) rotate(-2deg); }
}

@keyframes iso-drift-3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

/* === LAYER CONTENT === */
.layer-content {
    max-width: 640px;
    width: 90%;
}

.layer-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--cyan);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: lowercase;
    background: linear-gradient(90deg, var(--mist) 0%, var(--silver) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.section-body {
    font-size: 1rem;
    color: var(--silver);
    line-height: 1.7;
    max-width: 50ch;
}

/* === DATA STREAM === */
.data-stream {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stream-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    border-radius: 1px;
    animation: stream-flow 3s ease-in-out infinite;
    opacity: 0.5;
}

.stream-line:nth-child(2) { animation-delay: 0.2s; width: 80%; }
.stream-line:nth-child(3) { animation-delay: 0.4s; width: 60%; }
.stream-line:nth-child(4) { animation-delay: 0.6s; width: 90%; }
.stream-line:nth-child(5) { animation-delay: 0.8s; width: 45%; }

@keyframes stream-flow {
    0% { transform: translateX(-100%); opacity: 0; }
    50% { opacity: 0.6; }
    100% { transform: translateX(100%); opacity: 0; }
}

/* === MESH GRID === */
.mesh-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.mesh-node {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan), 0 0 30px rgba(0,229,255,0.3);
    animation: node-pulse 3s ease-in-out infinite;
}

.mesh-node:nth-child(2n) {
    background: var(--magenta);
    box-shadow: 0 0 12px var(--magenta), 0 0 30px rgba(191,0,255,0.3);
}

.mesh-node:nth-child(3n) {
    background: var(--pink);
    box-shadow: 0 0 12px var(--pink), 0 0 30px rgba(255,0,110,0.3);
}

@keyframes node-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.5); opacity: 1; }
}

.mesh-connections {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

/* === CORE RINGS === */
.core-rings {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 2rem auto 0;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 180px;
    height: 180px;
    border-color: rgba(0,229,255,0.3);
    animation: ring-spin 8s linear infinite;
}

.ring-2 {
    width: 120px;
    height: 120px;
    border-color: rgba(191,0,255,0.4);
    animation: ring-spin 6s linear infinite reverse;
}

.ring-3 {
    width: 60px;
    height: 60px;
    border-color: rgba(255,0,110,0.5);
    animation: ring-spin 4s linear infinite;
}

.core-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--pink);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px var(--pink), 0 0 40px rgba(255,0,110,0.4);
    animation: core-glow 2s ease-in-out infinite;
}

@keyframes ring-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes core-glow {
    0%, 100% { box-shadow: 0 0 20px var(--pink), 0 0 40px rgba(255,0,110,0.4); }
    50% { box-shadow: 0 0 30px var(--pink), 0 0 60px rgba(255,0,110,0.6); }
}

/* Make rings elliptical to suggest 3D */
.ring-1 { border-radius: 50%; transform: translate(-50%, -50%) rotateX(60deg); }
.ring-2 { border-radius: 50%; transform: translate(-50%, -50%) rotateX(60deg); }
.ring-3 { border-radius: 50%; transform: translate(-50%, -50%) rotateX(60deg); }

@keyframes ring-spin {
    0% { transform: translate(-50%, -50%) rotateX(60deg) rotateZ(0deg); }
    100% { transform: translate(-50%, -50%) rotateX(60deg) rotateZ(360deg); }
}

/* === TERMINAL === */
.terminal-panel {
    max-width: 700px;
}

.terminal {
    background: rgba(10,11,30,0.8);
    border: 1px solid rgba(0,229,255,0.15);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-prompt {
    color: var(--cyan);
}

.terminal-text {
    color: var(--mist);
}

.terminal-cursor {
    color: var(--cyan);
    animation: blink 1s step-end infinite;
}

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

/* === CTA === */
.cta-area {
    text-align: center;
    margin-bottom: 2rem;
}

.cta-label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--silver);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-transform: lowercase;
    letter-spacing: 0.05em;
    color: var(--void);
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    padding: 0.8rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 20px rgba(0,229,255,0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0,229,255,0.5), 0 0 60px rgba(191,0,255,0.3);
}

.footer-text {
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--silver);
    opacity: 0.5;
    letter-spacing: 0.1em;
}

/* === REVEAL ANIMATIONS === */
.layer-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.layer-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-panel {
    opacity: 1;
    transform: none;
}