:root {
  color-scheme: light;
  --background: #f6f7f4;
  --surface: #ffffff;
  --surface-soft: #eef2ec;
  --text: #1f2b23;
  --muted: #617065;
  --border: #dce3db;
  --accent: #31674c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--text); }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: absolute; top: -60px; left: 16px; z-index: 10; padding: 12px 16px; background: var(--text); color: white; }
.skip-link:focus { top: 12px; }

.site-header { border-bottom: 1px solid var(--border); background: var(--surface); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-name { font-size: 24px; line-height: 1; font-weight: 750; letter-spacing: -.05em; }
.brand-dot { color: var(--accent); }
.brand-caption { border-left: 1px solid var(--border); padding-left: 14px; color: var(--muted); font-size: 13px; }
.navigation { display: flex; gap: 32px; color: #435649; font-size: 14px; font-weight: 600; }
.navigation a:hover, .site-footer a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }

.hero { padding-top: 98px; padding-bottom: 104px; }
.section-label { margin: 0 0 24px; color: var(--accent); font-size: 14px; font-weight: 700; }
.hero h1 { max-width: 870px; margin: 0 0 25px; font-size: clamp(42px, 6vw, 76px); line-height: 1.12; letter-spacing: -.055em; font-weight: 750; }
.hero-description { max-width: 660px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.7; }
.primary-link { display: inline-flex; align-items: center; gap: 24px; margin-top: 34px; padding: 15px 20px; border-radius: 8px; background: var(--accent); color: white; font-size: 14px; font-weight: 700; transition: background .2s, transform .2s; }
.primary-link:hover { background: #24553d; transform: translateY(-2px); }

.services-section { padding: 83px 0 100px; background: var(--surface-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 32px; }
.section-heading .section-label { margin-bottom: 13px; }
.section-heading h2 { margin: 0; font-size: clamp(31px, 3.3vw, 44px); line-height: 1.2; letter-spacing: -.04em; }
.section-heading > p { max-width: 320px; margin: 0 0 3px; color: var(--muted); line-height: 1.6; font-size: 14px; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.service-card { display: flex; flex-direction: column; min-height: 245px; padding: 24px 23px 22px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); transition: border-color .2s, box-shadow .2s, transform .2s; }
a.service-card:hover { border-color: #93b69f; box-shadow: 0 12px 28px #233e2912; transform: translateY(-3px); }
.service-card-unavailable { background: #f9faf8; }
.availability { display: inline-block; margin-left: 8px; padding: 4px 6px; border-radius: 4px; background: #f4ead8; color: #785a25; font-size: 10px; }
.service-number { margin-bottom: 30px; color: var(--accent); font-size: 13px; font-weight: 700; }
.service-card h3 { margin: 0 0 8px; font-size: 22px; line-height: 1.2; letter-spacing: -.025em; }
.service-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.service-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 24px; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.card-arrow { color: var(--accent); font-size: 23px; line-height: 1; }

.infrastructure-section { padding-top: 100px; padding-bottom: 110px; }
.infrastructure-heading { margin-bottom: 29px; }
.infrastructure-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.infrastructure-group { padding: 28px 28px 30px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.infrastructure-group h3 { margin: 0 0 19px; font-size: 18px; }
.infrastructure-group ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; line-height: 1.5; }
.infrastructure-group li { padding-left: 14px; border-left: 2px solid #b5cdbb; }
.site-footer { border-top: 1px solid var(--border); background: var(--surface); }
.footer-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 13px; }

@media (max-width: 980px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .infrastructure-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .container { width: min(100% - 36px, 1120px); }
  .header-inner { min-height: 72px; }
  .brand-caption { display: none; }
  .navigation { gap: 18px; font-size: 13px; }
  .hero { padding-top: 82px; padding-bottom: 90px; }
  .hero-description { font-size: 17px; }
  .services-section { padding: 70px 0 80px; }
  .section-heading { display: block; }
  .section-heading > p { max-width: 500px; margin-top: 18px; }
  .infrastructure-section { padding-top: 75px; padding-bottom: 85px; }
}
@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
  .infrastructure-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 230px; }
  .hero h1 { font-size: clamp(40px, 11vw, 56px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
