:root {
  --color-ink: #12181f;
  --color-paper: #eff5f9;
  --color-mist: #e7ecf1;
  --color-deep: #16324f;
  --color-deep-hover: #1e4066;
  --color-pulse: #4e8fd1;
  --color-text-muted: #5a6472;
  --color-border: #dde2e6;
  --font-heading: "Science Gothic", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Roboto Mono", Consolas, monospace;
  --radius: 8px;
  --shadow-soft: 0 6px 24px rgba(18, 24, 31, 0.06);
  --shadow-elevated: 0 16px 40px rgba(18, 24, 31, 0.12);
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-paper);
  margin: 0;
  line-height: 1.7;
}

a { color: var(--color-deep); text-decoration: none; }
a:hover { color: var(--color-deep-hover); text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--color-pulse);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(239, 245, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

body.home .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  border-bottom-color: transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
body.home .site-header .logo-text,
body.home .site-header .site-nav a,
body.home .site-header .lang-switch,
body.home .site-header .nav-toggle {
  color: #fff;
  transition: color 0.3s ease;
}
body.home .site-header .lang-switch { border-color: rgba(255, 255, 255, 0.6); }
body.home .site-header .site-nav a.active,
body.home .site-header .site-nav a:hover {
  color: #fff;
}

body.home .site-header.scrolled {
  position: sticky;
  background: rgba(239, 245, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--color-border);
}
body.home .site-header.scrolled .logo-text,
body.home .site-header.scrolled .site-nav a,
body.home .site-header.scrolled .lang-switch,
body.home .site-header.scrolled .nav-toggle {
  color: var(--color-ink);
}
body.home .site-header.scrolled .lang-switch { border-color: var(--color-border); }
body.home .site-header.scrolled .site-nav a.active { color: var(--color-deep); }
body.home .site-header.scrolled .site-nav a:hover { color: var(--color-deep-hover); }

.site-header .inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
}

.logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-mark { flex-shrink: 0; }
.logo-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  line-height: 1.1;
}
.logo-text small {
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  font-family: var(--font-sans);
  color: var(--color-ink);
  font-weight: 400;
}
.site-nav a.active { color: var(--color-deep); text-decoration: none; }
.site-nav a:hover { color: var(--color-deep-hover); text-decoration: none; }

.lang-switch {
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  color: var(--color-ink);
  border-radius: var(--radius);
  padding: 0.25rem 0.6rem;
  font-size: 0.85rem;
  font-weight: 400;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-ink);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  background: linear-gradient(rgba(20,24,32,0.78), rgba(36,64,92,0.7)), var(--hero-image, none);
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 5rem 1.25rem;
  text-align: center;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.8vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.hero p { font-size: 1.15rem; max-width: 640px; margin: 0 auto; color: #f0f1f3; }

.hero--home {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero--home h1 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.8vw, 2.6rem);
}
.hero--home p { font-size: clamp(1.05rem, 2vw, 1.3rem); }

.hero-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 120px;
  pointer-events: none;
}
.hero-waves svg { display: block; width: 100%; height: 100%; }
.hero-waves.layer1 { animation: hero-wave-scroll 18s linear infinite; opacity: 0.5; }
.hero-waves.layer2 { animation: hero-wave-scroll 11s linear infinite reverse; opacity: 0.35; bottom: -10px; }

@keyframes hero-wave-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.hero-bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-bubble {
  position: absolute;
  bottom: -40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  animation: hero-bubble-rise linear infinite;
}
@keyframes hero-bubble-rise {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 0.8; }
  100% { transform: translateY(-115vh) scale(1.3); opacity: 0; }
}

.hero-scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.8);
  font-size: 1.6rem;
  animation: hero-bounce 2s ease-in-out infinite;
}
@keyframes hero-bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-waves, .hero-bubble, .hero-scroll-cue { animation: none; }
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 1.25rem;
}
.section-alt {
  background: var(--color-mist);
  box-shadow: 0 0 0 100vmax var(--color-mist);
  clip-path: inset(0 -100vmax);
  position: relative;
}
.section h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-ink);
}
.section h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-deep);
  border-radius: 2px;
  margin-top: 0.75rem;
}

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

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(160deg, rgba(22, 50, 79, 0.35), rgba(74, 111, 156, 0.12));
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 1;
}
.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.card:hover img { transform: scale(1.06); }
.card:not(.card--feature)::after {
  content: "";
  position: absolute;
  top: 140px;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom, rgba(239, 245, 249, 0), var(--color-paper));
  z-index: 1;
  pointer-events: none;
}
.card .card-body { padding: 1.25rem 1.5rem 1.75rem; flex: 1; display: flex; flex-direction: column; position: relative; z-index: 2; }
.card h3 { font-family: var(--font-sans); font-size: 1.15rem; margin: 0 0 0.5rem; color: var(--color-ink); font-weight: 700; }
.card p { font-size: 0.95rem; color: var(--color-text-muted); flex: 1; }

/* Card "feature" — titolo grande sovrapposto alla foto, usata per "chi siamo" in home */
.card--feature {
  min-height: 340px;
  display: block;
}
.card--feature img {
  position: absolute;
  inset: 0;
  height: 100%;
}
.card--feature::before {
  height: 100%;
  background: linear-gradient(to top, rgba(10, 14, 20, 0.94), rgba(10, 14, 20, 0.3) 55%, rgba(10, 14, 20, 0.12) 100%);
  mix-blend-mode: normal;
}
.card--feature .card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.75rem 1.5rem 2rem;
}
.card--feature h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}
.card--feature p { color: rgba(255, 255, 255, 0.9); }
.card--feature:hover { transform: translateY(-4px) scale(1.01); }

.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--color-border);
}
.btn-primary {
  background: var(--color-deep);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 2.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary:hover {
  background: var(--color-deep-hover);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}
.btn-outline { background: transparent; color: #fff; }

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  position: sticky;
  top: 65px;
  z-index: 40;
  background: var(--color-paper);
  box-shadow: 0 0 0 100vmax var(--color-paper), 0 1px 0 var(--color-border);
  clip-path: inset(0 -100vmax);
}
.category-nav a {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-deep);
  background: var(--color-paper);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.category-nav a:hover {
  background: var(--color-deep);
  color: #fff;
  border-color: var(--color-deep);
  text-decoration: none;
}

.category-block {
  padding-top: 3.5rem;
  scroll-margin-top: 5rem;
}
.category-block:first-of-type { padding-top: 0; }
.category-block + .category-block { border-top: 1px solid var(--color-border); }
.category-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8fb8e8;
  background: var(--color-deep);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.category-block h2 { margin-bottom: 0.5rem; }
.category-block h2::after { margin-top: 0.5rem; }
.category-intro { color: var(--color-text-muted); max-width: 68ch; margin-bottom: 1rem; }

.product-detail {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
}
.product-detail:first-of-type { border-top: none; }
.product-detail h3 { font-family: var(--font-sans); font-weight: 700; }
.product-detail .grid { display: grid; grid-template-columns: 320px 1fr; gap: 2rem; align-items: start; }
.product-detail img { width: 100%; border-radius: var(--radius); }
.product-detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; margin-top: 1rem; font-size: 0.92rem; }
.product-detail dt { font-weight: 600; color: var(--color-deep); }
.spec-value { font-family: var(--font-mono); font-size: 0.88rem; }

.form-field { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.form-field label { font-weight: 600; font-size: 0.9rem; }
.form-field input, .form-field textarea {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-field.checkbox { flex-direction: row; align-items: flex-start; gap: 0.6rem; }

.footer {
  background: var(--color-deep);
  color: #d7e0ea;
  padding: 2.5rem 1.25rem 1.5rem;
  font-size: 0.9rem;
}
.footer .inner { max-width: 1100px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.footer a { color: #d7e0ea; }
.footer-logo { display: flex; align-items: center; gap: 0.6rem; width: 100%; margin-bottom: 0.5rem; }
.footer-logo .logo-text { color: #fff; }
.footer-logo .logo-text small { color: rgba(255, 255, 255, 0.7); }
.footer .copyright { width: 100%; text-align: center; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.8rem; color: #9fb3c8; }

.map-embed { width: 100%; height: 420px; border: 0; border-radius: var(--radius); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }

.product-gallery { display: flex; gap: 0.5rem; margin-top: 0.75rem; flex-wrap: wrap; }
.product-gallery img { width: 70px; height: 70px; object-fit: cover; border-radius: 4px; }

@media (max-width: 720px) {
  .site-nav { position: fixed; top: 65px; left: 0; right: 0; background: var(--color-paper); border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: flex-start; padding: 1rem 1.25rem; display: none; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .section { padding: 4rem 1.25rem; }
  .product-detail .grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}


.marquee {
  background: var(--color-deep);
  overflow: hidden;
  white-space: nowrap;
  padding: 0.75rem 0;
}
.marquee-track {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #8fb8e8;
  animation: marquee-scroll 22s linear infinite;
}
.marquee-track span { padding: 0 1.5rem; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

.hero-load-item {
  opacity: 0;
  transform: translateY(16px);
  animation: hero-load-in 0.7s ease forwards;
}
@keyframes hero-load-in {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-load-item { animation: none; opacity: 1; transform: none; }
}

.zoom-wrap {
  position: relative;
  display: block;
  cursor: zoom-in;
}
.zoom-icon {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  font-size: 1.05rem;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.zoom-wrap:hover .zoom-icon { opacity: 1; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 20, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  padding: 2rem;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow-elevated);
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.3); }

@media (prefers-reduced-motion: reduce) {
  .lightbox { transition: none; }
}