:root {
    --active-blue: #0080FF;
    --brain-purple: #9966FF;
    --magical-pink: #FF33CC;
    --grok-cyan: #00A6FF;
    --deep-space: #0D0D1A;
    --grok-glass: rgba(255, 255, 255, 0.06);
    --grok-glass-border: rgba(255, 255, 255, 0.15);
    --text-primary: #FFFFFF;
    --text-secondary: #999999;
}

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

body {
    background: radial-gradient(circle at center, #1a0033 0%, #000000 100%);
    background-color: #000;
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Elements */
#starfield-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.glow-blob {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
    transition: transform 5s ease-in-out;
}

.glow-cyan {
    background: var(--grok-cyan);
    top: -100px;
    left: -100px;
}

.glow-purple {
    background: var(--brain-purple);
    bottom: -100px;
    right: -100px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--grok-glass-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 30px;
    font-weight: 600;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.7;
}

.nav-links .nav-cta {
    background: white;
    color: black;
    padding: 10px 20px;
    border-radius: 50px;
    margin-left: 30px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(to right, var(--active-blue), var(--brain-purple), var(--magical-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.planet-orb {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(0, 166, 255, 0.4);
    animation: orbPulse 6s infinite ease-in-out;
}

.orb-glow {
    position: absolute;
    top: -15%;
    left: -15%;
    width: 130%;
    height: 130%;
    background: radial-gradient(circle, var(--grok-cyan) 0%, transparent 70%);
    opacity: 0.15;
    filter: blur(40px);
    z-index: -1;
    animation: orbGlow 10s infinite ease-in-out;
}

@keyframes orbPulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 20px rgba(0, 166, 255, 0.4)); }
    50% { transform: scale(1.04); filter: drop-shadow(0 0 40px rgba(0, 166, 255, 0.6)); }
}

@keyframes orbGlow {
    0%, 100% { transform: scale(0.8); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.25; }
}

.btn-primary {
    display: inline-block;
    background: #fff;
    color: #000;
    padding: 18px 36px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    font-size: 16px;
    position: relative;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 166, 255, 0.4);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--active-blue), var(--magical-pink));
    z-index: -1;
    border-radius: 52px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::after {
    opacity: 1;
}

/* About Section */
.about {
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.glass-card {
    background: var(--grok-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--grok-glass-border);
    padding: 40px;
    border-radius: 26px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.glass-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    font-weight: 700;
}

.glass-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Privacy Section */
.privacy {
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.privacy-container {
    max-width: 900px;
    margin: 0 auto;
}

.effective-date {
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-weight: 600;
}

.privacy-content {
    line-height: 1.8;
}

.privacy-content h3 {
    margin: 40px 0 20px;
    font-size: 24px;
}

.privacy-content h4 {
    margin: 24px 0 12px;
    font-size: 18px;
    color: var(--active-blue);
}

.privacy-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.privacy-content li {
    margin-bottom: 10px;
}

.privacy-content a {
    color: var(--active-blue);
    text-decoration: none;
}

/* Footer */
.footer {
    padding: 60px 40px;
    border-top: 1px solid var(--grok-glass-border);
    background: rgba(0, 0, 0, 0.5);
    margin-top: 100px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-content a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-content a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 120px;
        height: auto;
        min-height: 100vh;
    }
    .hero-visual {
        margin-top: 60px;
        justify-content: center;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 52px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }
    .nav-links a:not(.nav-cta) {
        display: none;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        text-align: center;
    }
}