:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #10b981;
    --dark: #0f172a;
    --light: #f8fafc;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--dark);
    color: var(--light);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.hero {
    min-height: 100vh;
    background-image: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.6)), url('../images/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    flex-direction: column;
}

.navbar {
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary);
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: inline-block;
    cursor: pointer;
}

.btn-login {
    color: #fff;
    background: transparent;
    border: 1px solid var(--glass-border);
}

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

.btn-register {
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.4);
}

.btn-register:hover {
    background: var(--primary-dark);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.6);
    transform: translateY(-2px);
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 5%;
    margin-top: 80px;
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(14, 165, 233, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    width: fit-content;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 600px;
}

.features {
    padding: 5rem 5%;
    background: var(--dark);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-text {
    color: #94a3b8;
    line-height: 1.6;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .nav-buttons {
        width: 100%;
        justify-content: center;
    }
    .hero-content {
        align-items: center;
        text-align: center;
    }
    .hero-subtitle {
        text-align: center;
    }
}