:root {
    --bg-color: #0B0E14; /* Deep dark blue/black */
    --text-color: #E2E8F0;
    --primary-color: #38bdf8;
    --secondary-color: #c084fc;
    --accent-color: #f472b6;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-height: 80px;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradient-flow 5s ease infinite;
}

@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Layout */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    height: var(--nav-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    border-radius: 0 0 16px 16px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    font-weight: 500;
    font-size: 0.95rem;
    opacity: 0.8;
}

.nav-item:hover {
    opacity: 1;
    color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.5);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    position: relative;
    padding-top: var(--nav-height);
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
}

.btn.btn-primary {
    /* Styles inherited from utility class above */
}

.btn.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
}

.btn.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Visual Elements */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    z-index: 1;
    pointer-events: none;
}

.glowing-orb {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
    opacity: 0.4;
    filter: blur(60px);
    position: absolute;
    top: 20%;
    left: 20%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, 30px); }
}

/* Features details */
.features {
    padding: 5rem 10%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: #94a3b8;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    padding: 2.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.3);
}

.card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    margin-bottom: 1rem;
    color: #fff;
}

.card p {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: #64748b;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1.5rem;
    }
    
    .nav-links {
        display: none; /* Mobile menu to be implemented */
    }
    
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-content {
        margin-bottom: 3rem;
    }
    
    .cta-group {
        justify-content: center;
    }
    
    .hero-visual {
        position: relative;
        width: 100%;
        height: 300px;
        right: auto;
        top: auto;
        transform: none;
    }
}