@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  --color-primary: #1b2a3b;
  --color-primary-light: #243650;
  --color-accent: #c0882a;
  --color-accent-hover: #d4993a;
  --color-dark: #111827;
  --color-gray-dark: #374151;
  --color-gray-mid: #6b7280;
  --color-gray-light: #e5e7eb;
  --color-bg-light: #f8f9fa;
  --color-white: #ffffff;
  --color-success: #059669;
  --color-error: #dc2626;
  --font-heading: "Barlow Condensed", sans-serif;
  --font-body: "Inter", sans-serif;
  --container: 1280px;
  --space-x: clamp(1rem, 3vw, 2rem);
  --section-y: clamp(4rem, 8vw, 6.5rem);
  --radius: 0.5rem;
  --shadow: 0 18px 52px rgba(17, 24, 39, 0.18);
  --transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--color-dark);
  font-family: var(--font-body);
  background: var(--color-white);
}

body.is-locked {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.05;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(3rem, 8vw, 6rem);
}

h2 {
  margin-bottom: 1.35rem;
  font-size: clamp(2.25rem, 5vw, 4rem);
}

h3 {
  margin: 2rem 0 1rem;
  font-size: clamp(1.45rem, 2.5vw, 2rem);
}

p {
  color: var(--color-gray-dark);
  line-height: 1.72;
}

.container {
  width: min(100% - var(--space-x) * 2, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-160%);
  padding: 0.75rem 1rem;
  color: var(--color-white);
  background: var(--color-primary);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(27, 42, 59, 0.88);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 86px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  position: relative;
  z-index: 102;
  width: clamp(132px, 15vw, 168px);
  flex: 0 0 auto;
}

.brand-logo {
  width: 100%;
  max-height: 72px;
  object-fit: contain;
}

.footer-logo {
  width: 168px;
  height: auto;
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: clamp(0.75rem, 1.6vw, 1.45rem);
}

.nav-panel a {
  position: relative;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-panel a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -0.45rem;
  height: 2px;
  background: var(--color-accent);
  transition: right var(--transition);
}

.nav-panel a:is(:hover, :focus-visible, .is-active)::after {
  right: 0;
}

.nav-actions {
  position: relative;
  z-index: 102;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.lang,
.nav-toggle {
  border: 0;
  color: var(--color-white);
  background: transparent;
  cursor: pointer;
}

.lang {
  min-width: 38px;
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  font-weight: 700;
}

.lang.is-active {
  color: var(--color-primary);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.phone-link {
  display: none;
  color: var(--color-white);
  font-weight: 700;
}

.nav-toggle {
  position: relative;
  z-index: 102;
  width: 44px;
  height: 44px;
  margin-left: auto;
  display: grid;
  place-content: center;
  gap: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
}

.section {
  padding-block: var(--section-y);
}

.section-light {
  background: var(--color-bg-light);
}

.section-dark,
.section-steel,
.machines,
.footer {
  color: var(--color-white);
  background: var(--color-primary);
}

.section-dark p,
.section-steel p,
.machines p,
.footer p {
  color: rgba(255, 255, 255, 0.76);
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--color-accent) !important;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(27, 42, 59, 0.82), rgba(27, 42, 59, 0.38)),
    url("../../img/hero/hero-stabilimento-principale.jpg") center / cover;
  animation: heroZoom 12s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 8rem;
}

.hero h2 {
  max-width: 820px;
  margin-bottom: 1.1rem;
  font-size: clamp(1.7rem, 4vw, 3rem);
  color: rgba(255, 255, 255, 0.92);
}

.hero-text {
  max-width: 760px;
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions,
.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  z-index: 1;
  width: 28px;
  height: 48px;
  border: 2px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  transform: translateX(-50%);
}

.scroll-cue::after {
  content: "";
  position: absolute;
  top: 9px;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--color-white);
  transform: translateX(-50%);
  animation: cue 1.5s infinite;
}

.split,
.contact-grid,
.quality-wrap {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.section-figure {
  margin: 0;
}

.section-figure img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.service-grid,
.stats,
.tech-grid {
  display: grid;
  gap: 1rem;
}

.service-card,
.stat-card,
.tech-card,
.info-card,
.contact-form {
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--radius);
  background: var(--color-white);
}

.service-card {
  position: relative;
  overflow: hidden;
  padding: 0;
}

.service-card h4,
.machine-panel h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.service-card h4 {
  position: relative;
  margin: 0;
  padding: 1rem 1.25rem 0.95rem 1.55rem;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.service-card h4::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: var(--color-accent);
}

.service-card p {
  margin: 0;
  padding: 1.15rem 1.25rem 1.3rem;
  font-size: 0.94rem;
}

.materials-block {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.chip {
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(27, 42, 59, 0.12);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
}

.section-steel {
  background:
    linear-gradient(135deg, rgba(27, 42, 59, 0.96), rgba(36, 54, 80, 0.92)),
    url("../../img/hero/hero-stabilimento-alternativo.jpg") center / cover fixed;
}

.stat-card,
.tech-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.stat-card strong,
.tech-card strong {
  display: block;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 2.4rem;
}

.stat-card span,
.tech-card span {
  color: rgba(255, 255, 255, 0.76);
}

.machines {
  background:
    linear-gradient(135deg, rgba(17, 24, 39, 0.96), rgba(27, 42, 59, 0.88)),
    url("../../img/sezioni/lavorazioni-macchina-dettaglio.png") center / cover;
}

.lead {
  max-width: 880px;
  font-size: 1.08rem;
}

.tech-grid {
  margin: 2rem 0;
}

.tabs,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.tab,
.filter {
  min-height: 42px;
  padding: 0.65rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.filter {
  color: var(--color-primary);
  border-color: rgba(27, 42, 59, 0.15);
  background: var(--color-bg-light);
}

.tab.is-active,
.filter.is-active {
  color: var(--color-primary);
  background: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 800;
}

.machine-panel {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.machine-list {
  display: grid;
  gap: 0.6rem 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.machine-list li {
  position: relative;
  padding-left: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
}

.machine-list li::before {
  content: "";
  position: absolute;
  top: 0.68rem;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

.section-head {
  max-width: 840px;
  margin-bottom: 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.gallery-item {
  position: relative;
  min-height: 180px;
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  background: var(--color-gray-light);
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 300ms ease;
}

.gallery-item::after {
  content: "+";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-white);
  font-size: 2rem;
  background: rgba(27, 42, 59, 0.48);
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item:hover::after {
  opacity: 1;
}

.quality {
  background: linear-gradient(135deg, var(--color-primary), #111827);
}

.quality-wrap {
  align-items: center;
}

.quality-mark {
  display: flex;
  justify-content: center;
  margin: 0;
}

.quality-mark img {
  width: min(54vw, 260px);
  padding: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.info-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 0.8rem;
  padding: 1rem;
  margin-bottom: 0.8rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.08);
}

.info-card span {
  grid-row: span 2;
  color: var(--color-accent);
  font-size: 1.4rem;
  font-weight: 800;
}

.info-card em {
  color: var(--color-gray-dark);
  font-style: normal;
}

.map {
  width: 100%;
  height: 300px;
  margin-top: 1rem;
  border: 0;
  border-radius: var(--radius);
}

.contact-form {
  padding: clamp(1.2rem, 4vw, 2rem);
  box-shadow: 0 12px 36px rgba(17, 24, 39, 0.08);
}

.contact-form h3 {
  margin-top: 0;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
  color: var(--color-gray-dark);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius);
  padding: 0.85rem 0.9rem;
  color: var(--color-dark);
  background: var(--color-white);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(192, 136, 42, 0.22);
  border-color: var(--color-accent);
}

.privacy {
  grid-template-columns: auto 1fr;
  align-items: start;
  font-size: 0.92rem;
}

.privacy input {
  width: auto;
  margin-top: 0.25rem;
}

.form-status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  font-weight: 700;
}

.form-status.is-error {
  color: var(--color-error);
}

.form-status.is-success {
  color: var(--color-success);
}

.footer {
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.footer a {
  display: block;
  margin-bottom: 0.55rem;
  color: rgba(255, 255, 255, 0.78);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-block: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
}

.lightbox {
  width: min(92vw, 1100px);
  padding: 0;
  border: 0;
  background: transparent;
}

.lightbox::backdrop {
  background: rgba(17, 24, 39, 0.86);
  backdrop-filter: blur(8px);
}

.lightbox img {
  width: 100%;
  max-height: 86vh;
  border-radius: var(--radius);
  object-fit: contain;
}

.lightbox-close,
.lightbox-nav {
  position: fixed;
  z-index: 2;
  border: 0;
  color: var(--color-white);
  background: rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 2rem;
}

.lightbox-nav {
  top: 50%;
  width: 48px;
  height: 68px;
  transform: translateY(-50%);
  font-size: 3rem;
}

.lightbox-nav.prev {
  left: 1rem;
}

.lightbox-nav.next {
  right: 1rem;
}

.reveal,
.service-card,
.stat-card,
.tech-card,
.gallery-item {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes heroZoom {
  to {
    transform: scale(1.055);
  }
}

@keyframes cue {
  0% {
    opacity: 0;
    transform: translate(-50%, 0);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, 18px);
  }
}

@media (min-width: 560px) {
  .service-grid,
  .stats,
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .phone-link {
    display: inline-flex;
  }

  .machine-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .quality-wrap,
  .footer-grid {
    grid-template-columns: 0.7fr 1.4fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 0.8fr 1fr;
  }
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    align-items: center;
  }

  .split-reverse {
    grid-template-columns: minmax(360px, 0.85fr) minmax(0, 1.15fr);
  }

  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .stats,
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1023px) {
  .nav-panel {
    position: fixed;
    z-index: 101;
    top: 0;
    right: 0;
    width: min(82vw, 360px);
    height: 100vh;
    padding: 6rem 1.6rem 2rem;
    align-items: stretch;
    justify-content: start;
    flex-direction: column;
    gap: 1.1rem;
    background: rgba(27, 42, 59, 0.98);
    transform: translateX(100%);
    transition: transform 280ms ease;
  }

  .nav-panel.is-open {
    transform: translateX(0);
  }
}

@media (max-width: 560px) {
  .brand {
    width: 112px;
  }

  .brand-logo {
    width: 100%;
    max-height: 58px;
  }

  .nav {
    gap: 0.35rem;
  }

  .nav-actions {
    gap: 0.18rem;
  }

  .lang {
    min-width: 30px;
    min-height: 30px;
    font-size: 0.72rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}