:root {
  --primary-color: #3b82f6;
  --secondary-color: #94a3b8;
  --dark-bg: #0f172a; /* Slate 900 - Blu ardesia molto scuro */
  --card-bg: #1e293b; /* Slate 800 */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-color: #3b82f6;
  --border-color: #334155;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

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

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

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  z-index: 1000;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo .main-name {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
}

.logo .sub-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 35px;
}

nav a {
  font-weight: 500;
  color: var(--text-muted);
}

nav a:hover {
  color: #fff;
}

.btn-cta {
  background-color: var(--accent-color);
  color: white !important;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-cta:hover {
  background-color: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(59, 130, 246, 0.4);
}

/* --- Hero Section --- */
.hero {
  padding: 140px 0 100px;
  text-align: center;
}

.hero .brand-pill {
  display: inline-block;
  padding: 6px 16px;
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--accent-color);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -2px;
}

.hero p {
  font-size: 1.3rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 48px;
}

/* --- Services Grid --- */
.section-title {
  text-align: center;
  margin-bottom: 70px;
}

.section-title h2 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #fff;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--card-bg);
  padding: 48px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-color);
}

.service-card i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 24px;
  display: block;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  font-weight: 700;
  color: #fff;
}

.service-card p {
  color: var(--text-muted);
}

/* --- Info Section --- */
.info-section {
  padding: 100px 0;
  margin: 60px 0;
}

.info-flex {
  display: flex;
  align-items: center;
  gap: 80px;
}

.info-content {
  flex: 1;
}

.info-image {
  flex: 1;
}

.info-image img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* --- Contact Section --- */
.contact-section {
  padding: 100px 0;
  background-color: #1e293b;
  border-radius: 40px;
  margin-top: 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 24px;
  color: #fff;
}

.contact-details {
  list-style: none;
  margin-top: 30px;
}

.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.contact-details i {
  color: var(--accent-color);
  margin-top: 5px;
}

.contact-card-info {
  background: #0f172a;
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

/* --- Footer --- */
footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 968px) {
  .hero h1 { font-size: 3rem; }
  .info-flex, .contact-grid { flex-direction: column; grid-template-columns: 1fr; }
  nav { display: none; }
}