:root {
    --bg-dark: #0a0e27;
    --purple-neon: #b000ff;
    --cyan-electric: #00d9ff;
    --pink-hot: #ff006e;
    --white-clean: #f5f5f5;
    --text-secondary: #a5b3ce;
    --glow-purple: 0 0 20px rgba(176, 0, 255, 0.6);
    --glow-cyan: 0 0 20px rgba(0, 217, 255, 0.6);
    --glow-pink: 0 0 20px rgba(255, 0, 110, 0.6);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

/* Base */

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

html, body {
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #111633 0, #050719 60%, #02030c 100%);
    color: var(--white-clean);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar */

body::-webkit-scrollbar {
    width: 8px;
}

body::-webkit-scrollbar-track {
    background: #050719;
}

body::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--purple-neon), var(--cyan-electric));
    border-radius: 4px;
}

/* Layout helpers */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-link {
    display: inline-block;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.nav-brand .logo {
    height: 60px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--white-clean);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan-electric), var(--pink-hot));
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--cyan-electric);
}

.nav-link:hover:after {
    width: 100%;
}

/* Hero Section */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 60px 20px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.geometric-bg {
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 600px;
}

.hero h1 {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 800;
    background: linear-gradient(135deg, var(--purple-neon), var(--cyan-electric), var(--pink-hot));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    letter-spacing: -1px;
    text-shadow: var(--glow-purple), var(--glow-cyan);
    filter: drop-shadow(0 0 20px rgba(176, 0, 255, 0.3));
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-button {
    background: linear-gradient(135deg, var(--purple-neon), var(--cyan-electric));
    color: var(--white-clean);
    border: none;
    padding: 16px 48px;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(176, 0, 255, 0.4), 0 0 60px rgba(0, 217, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.cta-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover:before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(176, 0, 255, 0.6), 0 0 80px rgba(0, 217, 255, 0.3);
}

.cta-button:active {
    transform: translateY(0);
}

/* Footer */

.footer {
    background: rgba(5, 7, 25, 0.8);
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer p {
    margin: 0;
}

/* Responsive */

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 15px;
        padding: 20px 0;
    }

    .hero h1 {
        font-size: clamp(36px, 10vw, 60px);
    }

    .hero p {
        font-size: 16px;
    }

    .cta-button {
        padding: 14px 36px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-brand .logo {
        height: 50px;
    }

    .nav-menu {
        gap: 10px;
    }

    .nav-link {
        font-size: 12px;
    }

    .hero {
        min-height: 80vh;
        padding: 40px 20px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 12px;
    }
}

/* Animations */

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(176, 0, 255, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 40px rgba(0, 217, 255, 0.6));
    }
}

.hero h1 {
    animation: glow-pulse 3s ease-in-out infinite;