:root {
  --ink: #10243f;
  --ink-soft: #415064;
  --brand: #006eb8;
  --brand-2: #00a2d6;
  --line: #d9e4ee;
  --surface: #f6f9fc;
  --white: #ffffff;
  --accent: #f5b642;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  background: var(--white);
}

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

img,
video {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  max-width: var(--max);
  min-height: 78px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  width: 168px;
  height: auto;
  max-height: 60px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links a {
  padding: 28px 0;
  color: var(--ink-soft);
  border-bottom: 3px solid transparent;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-size: 0;
  position: relative;
}

.menu-button::before,
.menu-button::after,
.menu-button span {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--ink);
}

.menu-button::before {
  top: 14px;
}

.menu-button span {
  top: 21px;
}

.menu-button::after {
  top: 28px;
}

.hero {
  min-height: calc(92vh - 78px);
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8, 26, 48, 0.92), rgba(8, 26, 48, 0.62), rgba(8, 26, 48, 0.18)),
    url("NUOVI%20PRODOTTI/ARGO%20FA.png") right 8% center / min(48vw, 640px) no-repeat,
    radial-gradient(circle at 80% 20%, #e5f8ff, #ffffff 46%, #dce8f1 100%);
  color: var(--white);
}

.hero-inner,
.section-inner,
.footer-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.hero-copy {
  max-width: 660px;
  padding: 72px 0 96px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(42px, 7vw, 78px);
  max-width: 820px;
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
}

h3 {
  font-size: 22px;
}

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
}

.hero .lead {
  color: #dbe9f5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--brand);
  background: var(--brand);
  color: var(--white);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
}

.button.secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.72);
}

.button.light {
  background: var(--white);
  color: var(--brand);
  border-color: var(--white);
}

.section {
  padding: 86px 0;
}

.section.alt {
  background: var(--surface);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 38px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.value-card,
.news-card,
.timeline-item,
.contact-panel {
  border: 1px solid var(--line);
  background: var(--white);
}

.product-card {
  display: grid;
  grid-template-rows: 320px auto;
}

.product-card.featured {
  grid-template-rows: 420px auto;
}

.product-media {
  min-height: 0;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, #edf5fb, #ffffff);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-body,
.value-card,
.news-card,
.contact-panel {
  padding: 28px;
}

.product-body p,
.value-card p,
.news-card p,
.timeline-item p,
.contact-panel p {
  color: var(--ink-soft);
}

.product-body p:last-child,
.value-card p:last-child,
.timeline-item p:last-child {
  margin-bottom: 0;
}

.video-band {
  background: #071d34;
  color: var(--white);
}

.video-wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 36px;
  align-items: center;
}

.video-wrap video {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #000;
}

.video-wrap .lead {
  color: #c8d9e8;
}

.page-hero {
  padding: 92px 0 72px;
  color: var(--white);
  background: linear-gradient(120deg, #081a30, #0b4f81 72%, #00a2d6);
}

.page-hero .lead {
  color: #dcebf6;
}

.content-flow {
  max-width: 920px;
}

.content-flow p {
  color: var(--ink-soft);
  font-size: 18px;
}

.news-card p a,
.content-flow p a {
  color: var(--brand);
  text-decoration: underline;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.stat {
  padding: 24px;
  border-left: 4px solid var(--brand);
  background: var(--surface);
}

.stat strong {
  display: block;
  font-size: 36px;
  line-height: 1;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  padding: 24px;
}

.timeline-item .date {
  color: var(--brand);
  font-weight: 700;
  text-transform: uppercase;
}

.feature-list {
  padding-left: 20px;
  color: var(--ink-soft);
}

.feature-list li {
  margin: 8px 0;
}

.content-flow .feature-list {
  font-size: 18px;
}

.product-detail {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.legacy-band {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 38px;
}

.legacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.legacy-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
}

.legacy-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 18px;
}

.legacy-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--surface);
}

.news-card {
  display: grid;
  gap: 14px;
  align-content: start;
}

.news-date {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 9px;
  color: var(--brand);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 32px;
  background: var(--line);
  border: 1px solid var(--line);
}

.spec-strip div {
  padding: 20px;
  background: var(--white);
}

.spec-strip strong {
  display: block;
  color: var(--brand);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.contact-list a,
.contact-list span {
  color: var(--ink-soft);
}

form {
  display: grid;
  gap: 14px;
}

input,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

input[type="checkbox"] {
  width: auto;
  min-height: 0;
  margin-right: 8px;
}

label {
  color: var(--ink-soft);
  font-size: 14px;
}

label a {
  color: var(--brand);
  text-decoration: underline;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.site-footer {
  background: #06182c;
  color: #d8e4ef;
  padding: 54px 0 34px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.7fr;
  gap: 34px;
}

.footer-logo {
  width: 280px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  margin-bottom: 16px;
}

@media (max-width: 560px) {
  .logo img {
    width: 138px;
  }
}

.footer-col h3 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-col a,
.footer-col p {
  color: #b8c9d8;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: #ffffff;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.social-instagram {
  font-size: 22px;
  font-weight: 400;
}

.social-youtube {
  font-size: 15px;
  padding-left: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.contact-panel .social-link {
  border-color: var(--line);
  color: var(--brand);
}

.copyright {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #9eb2c3;
  font-size: 13px;
}

@media (max-width: 900px) {
  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 24px 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 16px 0;
  }

  .hero {
    background:
      linear-gradient(180deg, rgba(8, 26, 48, 0.92), rgba(8, 26, 48, 0.72)),
      url("NUOVI%20PRODOTTI/ARGO%20FA.png") center bottom 24px / min(82vw, 420px) no-repeat,
      #081a30;
    align-items: start;
  }

  .hero-copy {
    padding-bottom: 340px;
  }

  .grid.two,
  .grid.three,
  .product-detail,
  .legacy-pair,
  .legacy-card,
  .video-wrap,
  .contact-grid,
  .footer-inner,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .stats,
  .spec-strip {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: block;
  }
}

@media (max-width: 560px) {
  .hero-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 32px, var(--max));
  }

  .section {
    padding: 64px 0;
  }

  .product-card {
    grid-template-rows: 250px auto;
  }

  .hero-copy {
    padding-top: 54px;
  }
}