:root {
    --primary: #6366f1;
    --secondary: #a855f7;
    --dark: #1e293b;
    --light: #f8fafc;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 10%;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li { margin-left: 2rem; }

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: 0.3s;
}

.btn-nav {
    background: var(--primary);
    color: white !important;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 10%;
    background: radial-gradient(circle at top right, #e0e7ff, #ffffff);
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Pulsanti */
.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    display: inline-block;
    margin: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2); }

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 5rem 10%;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: 0.3s;
}

.card:hover { transform: translateY(-10px); }