/* Reset e Variabili */
:root {
    --bg-dark: #09090b;
    --bg-panel: #18181b;
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    
    /* Cyberpunk / Neon Green */
    --neon-green: #39ff14;
    --neon-glow: rgba(57, 255, 20, 0.4);
    
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
}

/* Typography */
h1, h2, h3, .logo {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 1px;
}

h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

p {
    line-height: 1.6;
    color: var(--text-muted);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(9, 9, 11, 0.95);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(57, 255, 20, 0.2);
}

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

.logo {
    font-size: 2rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: 2px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    text-transform: uppercase;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--neon-green);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-neon {
    background-color: var(--neon-green);
    color: #000;
    box-shadow: 0 0 15px var(--neon-glow);
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
}

.btn-neon:hover {
    background-color: #fff;
    box-shadow: 0 0 30px var(--neon-glow);
    transform: scale(1.05);
}

.btn-huge {
    padding: 1.2rem 3rem;
    font-size: 1.5rem;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
}

.btn-outline:hover {
    background: var(--neon-green);
    color: #000;
}

.btn-block {
    width: 100%;
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-container {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg {
    width: 100%; height: 100%;
    object-fit: cover;
    transform: scale(1.05); /* Per effetto parallax JS */
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(9,9,11,0.9) 0%, rgba(9,9,11,0.4) 100%);
}

.hero-content {
    max-width: 800px;
}

.glitch-text {
    font-size: clamp(4rem, 8vw, 7rem);
    line-height: 1;
    margin-bottom: 1rem;
    color: #fff;
    text-shadow: 4px 4px 0px var(--neon-green);
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 500px;
    margin-bottom: 2.5rem;
    color: #d4d4d8;
}

/* Skewed Sections Magic */
.skew-section {
    padding: 120px 0;
    transform: skewY(-3deg);
    margin: -30px 0;
    position: relative;
    z-index: 10;
}

.skew-unskew {
    transform: skewY(3deg);
}

/* Corsi */
.courses-section {
    background-color: var(--bg-panel);
    border-top: 3px solid var(--neon-green);
    border-bottom: 3px solid var(--neon-green);
}

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

.section-header h2 {
    color: #fff;
}

.section-header p {
    color: var(--neon-green);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    text-transform: uppercase;
}

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

.course-card {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
    group: hover;
    transition: var(--transition);
}

.course-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 4px;
    background: var(--neon-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.course-card:hover::after {
    transform: scaleX(1);
}

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

.course-img {
    height: 250px;
    background-size: cover;
    background-position: center;
    filter: grayscale(100%) contrast(120%);
    transition: var(--transition);
}

.course-card:hover .course-img {
    filter: grayscale(0%) contrast(100%);
}

.course-content {
    padding: 2rem;
}

.course-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

/* Banner */
.banner-section {
    padding: 100px 0;
    background: var(--bg-dark);
}

.banner-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-panel);
    padding: 4rem;
    border-left: 5px solid var(--neon-green);
}

/* Trial / Lead Gen */
.trial-section {
    background-image: linear-gradient(rgba(9,9,11,0.9), rgba(9,9,11,0.9)), url('https://images.unsplash.com/photo-1540497077202-7c8a3999166f?auto=format&fit=crop&w=1920&q=80');
    background-attachment: fixed;
    background-size: cover;
}

.trial-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.trial-info h2 {
    text-shadow: 2px 2px 0px var(--neon-green);
}

.benefits-list {
    list-style: none;
    margin-top: 2rem;
}

.benefits-list li {
    font-size: 1.2rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.benefits-list span {
    color: var(--neon-green);
}

.trial-form-box {
    background: rgba(24, 24, 27, 0.95);
    padding: 3rem;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.input-group {
    margin-bottom: 1.5rem;
}

.lead-form input[type="text"],
.lead-form input[type="email"],
.lead-form input[type="tel"] {
    width: 100%;
    padding: 1.2rem;
    background: var(--bg-dark);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.lead-form input:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
}

.checkbox-group {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
}

.checkbox-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.success-msg {
    text-align: center;
    padding: 2rem 0;
}

.success-msg h3 {
    color: var(--neon-green);
    font-size: 2rem;
}

/* Footer */
footer {
    background: #000;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    z-index: 100;
}

/* Responsive */
@media (max-width: 900px) {
    .trial-container, .banner-container {
        grid-template-columns: 1fr;
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-btn { display: none; }
    .hero { text-align: center; }
    .glitch-text { font-size: 3.5rem; text-shadow: 2px 2px 0px var(--neon-green); }
    .hero-subtitle { margin: 0 auto 2rem; }
}