:root {
  --accent: #75c8d2;
  --accent-dark: #258c9a;
  --ink: #24343a;
  --muted: #68777d;
  --line: #e5eef0;
  --soft: #f4fafb;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  background: #fff;
}
a { color: #167e8b; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
address { font-style: normal; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 24px; }
.brand img { width: 310px; display: block; }
.main-nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.main-nav a {
  color: #2d4046;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  padding: 13px 11px;
  border-radius: 3px;
}
.main-nav a:hover,
.main-nav a.active { background: var(--accent); color: #103238; text-decoration: none; }
.nav-toggle { display: none; border: 0; background: var(--accent); color: #123; padding: 9px 12px; border-radius: 4px; font-size: 20px; }

.hero {
  min-height: 440px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(9, 38, 48, .84), rgba(9, 38, 48, .45)),
    url('img/stock-photo-115104765.jpg') center / cover no-repeat;
  color: #fff;
}
.hero-content { padding: 80px 0; max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: #c8f3f7; font-weight: 700; text-transform: uppercase; letter-spacing: .16em; }
.hero h1 { margin: 0 0 14px; font-size: clamp(36px, 5vw, 58px); line-height: 1.1; }
.hero p { font-size: 20px; margin: 0; }

.section { padding: 68px 0; }
.light-section { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2, .page-title h1 { margin-top: 0; }
.section h2 { font-size: 32px; line-height: 1.2; }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 44px; align-items: center; }
.feature-image { margin: 0; }
.feature-image img { border-radius: 4px; box-shadow: 0 15px 40px rgba(0, 0, 0, .14); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  padding: 28px 22px;
  min-height: 290px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(31, 84, 92, .08);
}
.product-card h3 { margin: 8px 0 10px; line-height: 1.25; }
.product-card .icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #123;
  border-radius: 50%;
  font-size: 26px;
  font-weight: 800;
}
.read-more { display: inline-block; margin-top: 8px; font-weight: 700; }
.client-logo { text-align: center; }
.client-logo img { max-width: 330px; background: #fff; padding: 12px; border: 1px solid var(--line); }
.cta {
  background:
    linear-gradient(rgba(13, 59, 68, .86), rgba(13, 59, 68, .86)),
    url('img/unsplash-1-e1478895868821.jpg') center / cover no-repeat;
  color: #fff;
  padding: 68px 0;
  text-align: center;
}
.cta h2 { font-size: 36px; margin: 0 0 8px; }
.button {
  display: inline-block;
  margin-top: 14px;
  padding: 12px 24px;
  border-radius: 3px;
  background: var(--accent);
  color: #102f35;
  font-weight: 700;
}
.button:hover { background: #fff; text-decoration: none; }

.page-title {
  background: linear-gradient(90deg, #e9f8fa, #fff);
  border-bottom: 1px solid var(--line);
  padding: 46px 0;
}
.page-title h1 { font-size: clamp(32px, 4vw, 46px); margin-bottom: 0; }
.page-content { max-width: 880px; }
.content h2 { font-size: 30px; margin: 1.3em 0 .35em; color: #1a6f7b; }
.content h3 { font-size: 22px; margin: 1.2em 0 .25em; color: #2c4b54; }
.content h4 { font-size: 18px; margin: 1em 0 .2em; }
.content ul, .content ol { padding-left: 1.4em; }
.content li { margin: .25em 0; }
.content img { margin: 18px auto; display: block; }
.content img.alignright { float: right; margin: 6px 0 16px 24px; }
.content img.alignleft { float: left; margin: 6px 24px 16px 0; }
.content img.small { max-width: 160px; }
.content img.medium { max-width: 300px; }
.content img.narrow { max-width: 128px; }
.content img.wide { width: 100%; }
.content::after { content: ""; display: table; clear: both; }
.note { margin-top: 0; padding: 12px 16px; background: var(--soft); border-left: 4px solid var(--accent); }
.date { color: var(--muted); font-weight: 700; }
.media-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
.stacked-images img { margin-top: 0; }
.contact-list h3 { margin-bottom: 0; }
.contact-list h3 + p { margin-top: .2em; }

.site-footer { background: #263b43; color: #e8f4f6; padding-top: 34px; }
.site-footer a { color: #bdf3f8; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding-bottom: 26px; }
.copyright { text-align: center; background: #1d3037; color: #b8c6ca; padding: 12px; font-size: 14px; }

@media (max-width: 980px) {
  .brand img { width: 250px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .two-col, .media-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .header-inner { min-height: 72px; }
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 72px; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px; }
  .nav-open .main-nav { display: grid; }
  .main-nav a { padding: 11px; }
  .product-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .content img.alignright, .content img.alignleft { float: none; margin: 16px auto; }
}