:root {
    --bg: #050505;
    --surface: #0a0a0a;
    --primary: #00ff88;
    --primary-glow: rgba(0, 255, 136, 0.3);
    --text-main: #e0e0e0;
    --text-dim: #999;
    --border: #1a1a1a;
}

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

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

/* Il cerchio verde ripristinato e migliorato */
.glow-bg {
    position: fixed;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, rgba(5, 5, 5, 0) 70%);
    z-index: -1;
    filter: blur(60px);
    pointer-events: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Modali */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    backdrop-filter: blur(10px);
}

.modal-container {
    background-color: var(--surface);
    margin: 5% auto;
    padding: 60px;
    border: 1px solid var(--border);
    width: 90%;
    max-width: 900px;
    border-radius: 12px;
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    right: 30px;
    top: 30px;
    color: var(--text-dim);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover { color: var(--primary); }

.modal-step-card {
    padding: 20px;
    background: #000;
    border-radius: 8px;
    border-left: 2px solid var(--primary);
}

.step-id { font-family: 'JetBrains Mono'; color: var(--primary); font-size: 0.8rem; margin-bottom: 10px; }

.modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.modal-features {
    list-style: none;
    margin-bottom: 40px;
}

.modal-features li {
    margin-bottom: 15px;
    color: var(--text-dim);
}

.modal-features li i {
    color: var(--primary);
    margin-right: 15px;
}

.modal-tech-stack h3 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #fff;
}

/* Header & Nav */
header {
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .main-nav { display: none; } /* Mobile menu simplified */
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
    color: #fff;
}

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

/* Hero Section */
.hero {
    padding: 100px 0 150px;
    max-width: 800px;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
    color: #fff;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 40px;
}

.cta-group {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--primary-glow);
}

.btn-secondary {
    border: 1px solid var(--border);
    color: #fff;
}

.btn-secondary:hover { background: var(--border); }

/* Sections */
section { padding: 100px 0; border-top: 1px solid var(--border); }

.section-tag {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    display: block;
}

h2 { font-size: 2rem; margin-bottom: 60px; color: #fff; }

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--surface);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}

.service-card:hover { border-color: var(--primary); }

.service-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: block;
}

.service-card h3 { margin-bottom: 15px; color: #fff; }

.service-card p { font-size: 0.95rem; color: var(--text-dim); }

/* Case Studies */
.case-studies {
    display: grid;
    gap: 60px;
}

.case-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 850px) {
    .case-card { grid-template-columns: 1fr; gap: 30px; }
}

.case-info h3 { font-size: 1.5rem; margin-bottom: 20px; color: #fff; }
.case-info p { margin-bottom: 25px; color: var(--text-dim); }

.case-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.stat-item span {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-item label { font-size: 0.75rem; text-transform: uppercase; color: var(--text-dim); }

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

@media (max-width: 850px) {
    .about-content { grid-template-columns: 1fr; gap: 40px; }
}

.about-text p { margin-bottom: 20px; font-size: 1.1rem; }

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.tech-tag {
    padding: 6px 14px;
    background: var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}

/* Terminal - Mantenuto ma reso professionale */
.terminal {
    background: #000;
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 25px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    height: 300px;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.term-success { color: var(--primary); }
.term-info { color: #00aaff; }

footer {
    padding: 100px 0 60px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.social-links {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 25px;
}

.social-links a {
    color: var(--text-dim);
    font-size: 1.2rem;
    transition: color 0.2s;
}

.social-links a:hover { color: var(--primary); }

/* Responsive fixes */
@media (max-width: 600px) {
    header { padding: 20px 0; }
    .hero { padding: 60px 0 80px; }
    .cta-group { flex-direction: column; }
    .container { padding: 0 24px; }
}