:root {
  --color-bg: #1f2937;
  --color-bg-alt: #263242;
  --color-surface: #2c3a4a;
  --color-primary: #3d5166;
  --color-primary-dark: #263242;
  --color-accent: #a9d8f7;
  --color-accent-strong: #6fb8e8;
  --color-text: #eef2f6;
  --color-text-muted: #b7c2cd;
  --color-border: rgba(169, 216, 247, 0.16);
  --radius: 14px;
  --max-width: 1120px;
  --font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; font-weight: 600; }
h1 { font-size: clamp(2rem, 4vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { color: var(--color-text-muted); margin: 0 0 16px; }
a { color: var(--color-accent); text-decoration: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(31, 41, 55, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand-logo { height: 44px; display: block; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--color-text); font-size: 0.95rem; }
.nav a:hover { color: var(--color-accent); }
.nav-cta {
  background: var(--color-accent);
  color: var(--color-primary-dark) !important;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--color-accent-strong); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* Hero */
.hero {
  background:
    radial-gradient(circle at 80% 20%, rgba(169, 216, 247, 0.14), transparent 55%),
    linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 70%);
  padding: 120px 0 100px;
  text-align: center;
}
.hero-inner { max-width: 780px; margin: 0 auto; }
.eyebrow {
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero-lead { font-size: 1.1rem; max-width: 620px; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-primary:hover { background: var(--color-accent-strong); }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-tag {
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-stats { display: flex; flex-direction: column; gap: 18px; }
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 6px;
}
.stat-label { color: var(--color-text-muted); font-size: 0.9rem; }

/* Services */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 40px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--color-accent); }
.card-icon {
  color: var(--color-accent);
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.card p { margin: 0; font-size: 0.94rem; }

/* Markets */
.mercati-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.market-cards { display: grid; gap: 18px; }
.market-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
}
.market-card h3 { color: var(--color-accent); }
.market-card p { margin: 0; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 16px; }
.contact-list li { display: flex; flex-direction: column; gap: 2px; }
.contact-list strong { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.contact-list span, .contact-list a { color: var(--color-text); font-size: 0.98rem; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-form label { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 10px; }
.contact-form input,
.contact-form textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-form button { margin-top: 16px; border: none; }
.form-note { font-size: 0.8rem; margin: 10px 0 0; }

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.footer-logo { height: 32px; opacity: 0.9; }
.footer-legal { font-size: 0.78rem; max-width: 760px; margin: 0; }
.footer-copy { font-size: 0.78rem; margin: 0; color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 860px) {
  .about-grid, .mercati-grid, .contact-grid { grid-template-columns: 1fr; }
  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 90px 0 70px; }
  .section { padding: 64px 0; }
}