:root {
  color-scheme: light;
  --ink: #0b1018;
  --ink-2: #111827;
  --muted: #5b6575;
  --line: #d9e1e8;
  --paper: #f7f9fb;
  --white: #ffffff;
  --accent: #0f766e;
  --warn: #f59e0b;
  --blue: #1d4ed8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 249, 251, 0.92);
  border-bottom: 1px solid rgba(217, 225, 232, 0.85);
  backdrop-filter: blur(16px);
}

.brand img {
  width: 260px;
  height: auto;
  border-radius: 8px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 15px;
  white-space: nowrap;
}

nav a:hover {
  color: var(--ink);
}

.nav-cta {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  padding: clamp(86px, 10vw, 136px) clamp(18px, 4vw, 56px) 42px;
  overflow: hidden;
  background: var(--ink);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 13, 20, 0.94), rgba(8, 13, 20, 0.58) 52%, rgba(8, 13, 20, 0.16));
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  max-width: 930px;
  color: var(--white);
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--warn);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 18px;
  font-size: clamp(38px, 5.6vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
}

.primary {
  background: var(--warn);
  color: #171103;
}

.secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
}

.outline {
  margin-top: 10px;
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 860px;
  margin: 46px 0 0;
}

.hero-facts div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-facts dt {
  font-size: 28px;
  font-weight: 900;
}

.hero-facts dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.76);
}

.intro,
.section,
.band,
.contact {
  padding: clamp(58px, 8vw, 96px) clamp(18px, 4vw, 56px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  background: var(--white);
}

.intro p:last-child,
.section-heading p,
.area p,
.contact p {
  color: var(--muted);
  font-size: 18px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 292px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.icon {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--accent);
  font-weight: 900;
}

.service-card p,
.cert-grid p {
  color: var(--muted);
}

.band {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(300px, 1.2fr);
  gap: clamp(28px, 5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checks li {
  position: relative;
  padding: 16px 16px 16px 44px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.checks li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  width: 12px;
  height: 7px;
  border-left: 3px solid var(--warn);
  border-bottom: 3px solid var(--warn);
  transform: rotate(-45deg);
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(300px, 1.15fr);
  gap: clamp(30px, 6vw, 86px);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.cert-grid article,
.area-box,
.contact-panel,
.offer-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.06);
}

.offer {
  background: #edf3f5;
}

.offer-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.offer-panel {
  min-height: 360px;
}

.offer-panel ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.offer-panel li + li {
  margin-top: 8px;
}

.area {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 420px);
  gap: clamp(28px, 5vw, 72px);
}

.area-box {
  align-self: center;
  border-color: rgba(15, 118, 110, 0.24);
}

.area-box strong,
.area-box span {
  display: block;
}

.area-box span {
  margin-top: 10px;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 440px);
  gap: clamp(28px, 5vw, 72px);
  background: var(--white);
}

.contact-panel {
  align-self: center;
}

.contact-link {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 24px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.contact-link.mail {
  margin-bottom: 18px;
  font-size: 21px;
}

.wide {
  width: 100%;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 24px clamp(18px, 4vw, 56px);
  background: #0b1018;
  color: rgba(255, 255, 255, 0.76);
}

footer strong {
  color: var(--white);
}

footer a {
  color: var(--warn);
  font-weight: 900;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-media::after {
    background: linear-gradient(180deg, rgba(8, 13, 20, 0.62), rgba(8, 13, 20, 0.94));
  }

  .intro,
  .band,
  .split,
  .area,
  .contact {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .cert-grid,
  .offer-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .brand img {
    width: 230px;
  }

  nav {
    gap: 10px;
    font-size: 14px;
  }

  .nav-cta {
    padding: 8px 10px;
  }

  .hero {
    min-height: 790px;
    padding-top: 54px;
  }

  .lead {
    font-size: 18px;
  }

  .hero-facts,
  .service-grid,
  .checks,
  .cert-grid,
  .offer-list {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .button {
    width: 100%;
  }
}