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

:root {
    --color-bg: #0a0a0f;
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-text: #e0e0e0;
    --color-text-muted: #888;
    --color-accent: #7dd3fc;
    --color-accent-glow: rgba(125, 211, 252, 0.3);
    --color-warm: #ff6b6b;
    --color-warm-deep: #8b0000;
    --color-warm-glow: rgba(139, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

#canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.content {
    position: relative;
    z-index: 1;
    pointer-events: none;
}

.content a,
.content button,
.content nav {
    pointer-events: auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: linear-gradient(to bottom, var(--color-bg), transparent);
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-accent);
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--color-accent);
}

main {
    min-height: 100vh;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    color: var(--color-accent);
    font-weight: 400;
    text-shadow: 0 0 40px var(--color-accent-glow);
    animation: spectrum-shift 8s ease-in-out infinite;
}

@keyframes spectrum-shift {
    0%, 100% {
        color: var(--color-accent);
        text-shadow: 0 0 40px var(--color-accent-glow);
    }
    50% {
        color: var(--color-warm);
        text-shadow: 0 0 60px var(--color-warm-glow);
    }
}

.tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    border: 1px solid var(--color-accent);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-accent);
    box-shadow: 0 0 30px var(--color-accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.section {
    padding: 8rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.section h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.section > p {
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.feature:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.5rem;
    color: var(--color-accent);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.feature p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.section-dark {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
    max-width: 100%;
    padding: 8rem 4rem;
}

.section-dark .section-content {
    max-width: 1200px;
    margin: 0 auto;
}

.vision-text {
    font-size: 1.3rem;
    color: var(--color-text);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.subsection-title {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.possibilities {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
    text-align: left;
}

.possibility {
    padding: 2rem 2.5rem;
    border-left: 3px solid var(--color-accent);
    background: rgba(125, 211, 252, 0.03);
    pointer-events: auto;
    transition: all 0.3s ease;
    min-height: 160px;
}

.possibility:hover {
    background: rgba(125, 211, 252, 0.08);
    border-left-color: var(--color-warm);
}

.possibility-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.possibility p {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 768px) {
    .possibilities {
        grid-template-columns: 1fr;
    }
}

footer {
    padding: 2rem 4rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

footer p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    header {
        padding: 1rem 1.5rem;
    }

    nav {
        gap: 1rem;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .features {
        gap: 1rem;
    }

    footer {
        padding: 1.5rem;
    }
}