:root {
  --ink: #061a2d;
  --navy: #082d4b;
  --navy-2: #0b3d63;
  --blue: #0b78b6;
  --aqua: #50d3df;
  --ice: #e8f8fb;
  --mist: #f3f8fa;
  --white: #ffffff;
  --orange: #ff7a1a;
  --line: rgba(8, 45, 75, 0.14);
  --muted: #587082;
  --shadow: 0 24px 70px rgba(5, 31, 52, 0.14);
  --radius: 28px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
}
.skip-link:focus { transform: translateY(0); }

.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.82);
  font-size: .8rem;
  letter-spacing: .03em;
}
.topbar__inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 38px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.topbar__links { display: flex; gap: 22px; }
.topbar a:hover { color: var(--aqua); }

.site-header {
  position: sticky;
  z-index: 90;
  top: 0;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: min(1180px, calc(100% - 40px));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand__text { display: grid; line-height: 1; }
.brand__text strong { color: var(--navy); font-size: 1.15rem; letter-spacing: -.025em; }
.brand__text small { margin-top: 6px; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .13em; }
.nav { display: flex; align-items: center; gap: 5px; }
.nav a {
  padding: 10px 11px;
  border-radius: 999px;
  color: #27475e;
  font-size: .82rem;
  font-weight: 650;
  white-space: nowrap;
}
.nav a:hover, .nav a:focus-visible { color: var(--navy); background: var(--ice); }
.lang-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-left: 6px;
}
.lang-switch a { padding: 6px 9px; }
.lang-switch a[aria-current="page"] { background: var(--navy); color: var(--white); }
.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--navy);
  background: var(--white);
}
.menu-button span, .menu-button::before, .menu-button::after {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transition: transform .2s ease, opacity .2s ease;
}
.menu-button { gap: 4px; }
.menu-button[aria-expanded="true"] span { opacity: 0; }
.menu-button[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
.menu-button[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }

.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 110px 0; }
.section--soft { background: var(--mist); }
.section--dark { color: var(--white); background: var(--ink); }
.section--tight { padding: 76px 0; }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 18%, rgba(80,211,223,.17), transparent 28%),
    linear-gradient(135deg, #061a2d 0%, #082d4b 62%, #0b4f76 100%);
}
.hero::after {
  position: absolute;
  right: -140px;
  bottom: -240px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(80,211,223,.18);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 70px rgba(80,211,223,.04), 0 0 0 150px rgba(80,211,223,.025);
}
.hero__grid {
  position: relative;
  z-index: 1;
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 72px;
  padding: 86px 0 100px;
}
.eyebrow {
  margin: 0 0 20px;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.hero .eyebrow { color: var(--aqua); }
.hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(3.25rem, 6vw, 6rem);
  line-height: .96;
  letter-spacing: -.065em;
}
.hero h1 em {
  display: block;
  color: var(--aqua);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}
.hero__lead {
  max-width: 600px;
  margin: 30px 0 0;
  color: rgba(255,255,255,.76);
  font-size: 1.08rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 750;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button--aqua { color: var(--ink); background: var(--aqua); }
.button--outline { border-color: rgba(255,255,255,.28); color: var(--white); background: rgba(255,255,255,.04); }
.button--navy { color: var(--white); background: var(--navy); }
.button--light { color: var(--navy); background: var(--white); }
.arrow { font-size: 1.1em; }

.hero__visual { position: relative; }
.hero__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1.03;
  border-radius: 45% 45% 24px 24px;
  box-shadow: 0 40px 90px rgba(0,0,0,.28);
}
.hero__image-wrap::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6,26,45,.42));
  content: "";
}
.hero__image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero__badge {
  position: absolute;
  right: -24px;
  bottom: 42px;
  z-index: 2;
  width: 142px;
  height: 142px;
  display: grid;
  place-items: center;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  color: var(--ink);
  background: var(--aqua);
  text-align: center;
  font-size: .78rem;
  font-weight: 850;
  line-height: 1.25;
  letter-spacing: .05em;
  text-transform: uppercase;
  transform: rotate(7deg);
}

.metrics {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.13);
}
.metric { padding: 28px 22px; border-right: 1px solid rgba(255,255,255,.13); }
.metric:last-child { border-right: 0; }
.metric strong { display: block; color: var(--aqua); font-size: 1.5rem; letter-spacing: -.035em; }
.metric span { color: rgba(255,255,255,.63); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; }

.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.display-title { margin: 0; color: var(--navy); font-size: clamp(2.25rem, 4vw, 4.1rem); line-height: 1.02; letter-spacing: -.05em; }
.section--dark .display-title { color: var(--white); }
.lead { margin: 0; color: #26475e; font-size: 1.25rem; line-height: 1.55; }
.section--dark .lead { color: rgba(255,255,255,.7); }
.copy p { margin: 0 0 18px; color: #496276; }
.copy p:last-child { margin-bottom: 0; }

.assurance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 54px; }
.assurance {
  min-height: 152px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
}
.assurance strong { display: block; color: var(--blue); font-size: 2rem; }
.assurance span { color: var(--navy); font-weight: 750; }

.section-heading { max-width: 740px; margin-bottom: 48px; }
.section-heading .lead { margin-top: 18px; }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.offer-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--white);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.offer-card:hover { transform: translateY(-5px); border-color: rgba(11,120,182,.38); box-shadow: var(--shadow); }
.offer-card__number { color: var(--blue); font-size: .8rem; font-weight: 800; letter-spacing: .13em; }
.offer-card h3 { margin: 34px 0 10px; color: var(--navy); font-size: 1.45rem; letter-spacing: -.035em; }
.offer-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.offer-card__link { margin-top: 24px; color: var(--blue); font-size: .86rem; font-weight: 800; }

.feature-band { overflow: hidden; border-radius: var(--radius); color: var(--white); background: var(--navy); }
.feature-band__grid { display: grid; grid-template-columns: .95fr 1.05fr; }
.feature-band__copy { padding: clamp(38px, 6vw, 76px); }
.feature-band__copy h2 { margin: 0 0 20px; font-size: clamp(2rem, 3.7vw, 3.5rem); line-height: 1.05; letter-spacing: -.045em; }
.feature-band__copy p { margin: 0 0 28px; color: rgba(255,255,255,.72); }
.feature-band__image { min-height: 480px; }
.feature-band__image img { width: 100%; height: 100%; object-fit: cover; }
.check-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: rgba(255,255,255,.86); }
.check-list li::before { position: absolute; left: 0; color: var(--aqua); content: "✓"; font-weight: 900; }

.brand-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.brand-panel { padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.brand-panel h3 { margin: 0 0 12px; color: var(--navy); font-size: 1.85rem; letter-spacing: -.04em; }
.brand-panel p { margin: 0 0 16px; color: var(--muted); }
.brand-points { margin: 22px 0 0; padding-left: 20px; color: #36556b; }
.brand-points li { margin: 9px 0; }

.catalog-head { margin: 56px 0 24px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.catalog-head h3 { margin: 0; color: var(--navy); font-size: 1.8rem; letter-spacing: -.035em; }
.catalog-head p { margin: 0; color: var(--muted); font-size: .9rem; }
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.model-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  overflow: clip;
}
.model-card summary {
  position: relative;
  min-height: 148px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 23px 54px 22px 24px;
  cursor: pointer;
  list-style: none;
}
.model-card summary::-webkit-details-marker { display: none; }
.model-card summary::after {
  position: absolute;
  right: 22px;
  top: 24px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--navy);
  background: var(--ice);
  content: "+";
  font-weight: 800;
}
.model-card[open] summary::after { content: "−"; }
.model-card[open] { border-color: rgba(11,120,182,.42); box-shadow: 0 16px 40px rgba(5,31,52,.09); }
.model-card__series { color: var(--blue); font-size: .7rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.model-card h4 { margin: 16px 0 6px; color: var(--navy); font-size: 1.2rem; line-height: 1.15; }
.model-card__meta { color: var(--muted); font-size: .82rem; }
.model-card__body { padding: 0 24px 24px; border-top: 1px solid var(--line); }
.model-card__body > p { margin: 18px 0; color: var(--muted); font-size: .9rem; }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; }
.specs div { padding: 10px 12px; border-radius: 12px; background: var(--mist); }
.specs dt { color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.specs dd { margin: 3px 0 0; color: var(--navy); font-size: .86rem; font-weight: 750; }
.model-note { margin: 14px 0 0; color: #587082; font-size: .76rem; }

.product-section { border-top: 1px solid var(--line); }
.product-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 74px; align-items: start; }
.product-aside { position: sticky; top: 120px; }
.product-aside h2 { margin: 0 0 18px; color: var(--navy); font-size: clamp(2.1rem, 4vw, 3.8rem); line-height: 1.02; letter-spacing: -.05em; }
.product-aside p { color: var(--muted); }
.product-aside img { width: 100%; max-height: 340px; margin-top: 28px; border-radius: 22px; object-fit: cover; box-shadow: var(--shadow); }
.detail-block { padding: 28px 0; border-bottom: 1px solid var(--line); }
.detail-block:first-child { padding-top: 0; }
.detail-block h3 { margin: 0 0 10px; color: var(--navy); font-size: 1.35rem; letter-spacing: -.025em; }
.detail-block p { margin: 0; color: var(--muted); }
.detail-block ul { margin: 15px 0 0; padding-left: 20px; color: #3d5a6d; }
.detail-block li { margin: 7px 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag { padding: 7px 11px; border-radius: 999px; color: var(--navy); background: var(--ice); font-size: .78rem; font-weight: 700; }

.maintenance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 34px; }
.maintenance-card { padding: 24px; border-radius: 20px; color: var(--white); background: rgba(255,255,255,.075); }
.maintenance-card h3 { margin: 0 0 12px; color: var(--aqua); font-size: 1rem; }
.maintenance-card p { margin: 0; color: rgba(255,255,255,.65); font-size: .88rem; }

.cta {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 50px;
  align-items: end;
  padding: clamp(42px, 7vw, 86px);
  border-radius: 32px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), #0b5d82);
}
.cta::after { position: absolute; width: 320px; height: 320px; right: -120px; top: -150px; border: 56px solid rgba(80,211,223,.09); border-radius: 50%; content: ""; }
.cta > * { position: relative; z-index: 1; }
.cta h2 { margin: 0; font-size: clamp(2.3rem, 5vw, 4.8rem); line-height: .98; letter-spacing: -.055em; }
.cta p { margin: 20px 0 0; color: rgba(255,255,255,.72); }
.cta__actions { display: grid; gap: 12px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 48px; }
.contact-card { padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.contact-card small { display: block; margin-bottom: 12px; color: var(--blue); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.contact-card strong, .contact-card a { color: var(--navy); font-size: 1.12rem; }
.contact-card p { margin: 7px 0 0; color: var(--muted); }
.contact-card a:hover { color: var(--blue); }

.site-footer { padding: 52px 0 28px; color: rgba(255,255,255,.68); background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 50px; }
.footer-brand { display: flex; gap: 16px; align-items: center; }
.footer-brand img { width: 62px; height: 62px; }
.footer-brand strong { display: block; color: var(--white); font-size: 1.25rem; }
.footer-brand span { display: block; font-size: .84rem; }
.footer-col h3 { margin: 0 0 14px; color: var(--aqua); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; margin: 7px 0; font-size: .9rem; }
.footer-col a:hover { color: var(--aqua); }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; font-size: .78rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .menu-button { display: grid; }
  .nav {
    position: fixed;
    inset: 82px 0 auto;
    max-height: calc(100dvh - 82px);
    overflow: auto;
    display: none;
    align-items: stretch;
    padding: 24px 20px 34px;
    border-top: 1px solid var(--line);
    background: var(--white);
    box-shadow: 0 30px 60px rgba(5,31,52,.14);
  }
  .nav.is-open { display: grid; }
  .nav a { padding: 12px 14px; font-size: 1rem; }
  .lang-switch { width: fit-content; margin: 8px 0 0; }
  .hero__grid { gap: 42px; }
  .hero__badge { right: -8px; }
  .model-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .maintenance-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
  .topbar__inner { min-height: 42px; }
  .topbar__inner > span { display: none; }
  .topbar__links { width: 100%; justify-content: space-between; gap: 12px; }
  .nav-shell, .container, .topbar__inner { width: min(100% - 28px, 1180px); }
  .nav-shell { min-height: 72px; }
  .nav { inset: 72px 0 auto; max-height: calc(100dvh - 72px); }
  .brand img { width: 46px; height: 46px; }
  .brand__text small { display: none; }
  .section { padding: 80px 0; }
  .section--tight { padding: 62px 0; }
  .hero__grid { min-height: auto; grid-template-columns: 1fr; padding: 70px 0 64px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.8rem); }
  .hero__visual { width: min(100%, 520px); margin-inline: auto; }
  .hero__badge { width: 116px; height: 116px; right: -4px; bottom: 22px; font-size: .66rem; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
  .split, .brand-columns, .feature-band__grid, .product-grid, .cta, .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .assurance-grid { grid-template-columns: repeat(2, 1fr); }
  .product-aside { position: static; }
  .feature-band__image { order: -1; min-height: 300px; }
  .cta__actions { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .topbar__links { font-size: .72rem; }
  .offer-grid, .model-grid, .assurance-grid, .maintenance-grid { grid-template-columns: 1fr; }
  .hero__actions, .cta__actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .metrics { margin-inline: -14px; }
  .metric { padding: 22px 14px; }
  .feature-band { border-radius: 22px; }
  .feature-band__copy { padding: 32px 24px 38px; }
  .brand-panel { padding: 26px 22px; }
  .catalog-head { align-items: start; flex-direction: column; }
  .product-aside img { max-height: 280px; }
  .cta { padding: 36px 24px; border-radius: 24px; }
  .footer-bottom { flex-direction: column; }
}