:root {
  --brand: #0d509d;
  --brand-dark: #093c77;
  --brand-light: #2582be;
  --sky: #7fc4e8;
  --ink: #12243a;
  --text: #333;
  --light: #f1f5f9;
  --line: #dde5ee;
  --accent: #e74c3c;
  --container: 1120px;
  --font: "Roboto", system-ui, sans-serif;
  --font-head: "Roboto Condensed", "Roboto", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 400 16px/1.75 var(--font); color: var(--text); background: #fff; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 4.6vw, 3rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2.05rem); text-transform: uppercase; letter-spacing: .02em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); margin-top: 1.4em; }
h4 { font-size: 1.05rem; margin-top: 1.3em; color: var(--brand); }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.25em; }
li { margin-bottom: .4em; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.grid { display: grid; gap: 24px; }
.grid > * { min-width: 0; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.btn { display: inline-block; padding: 13px 30px; font-family: var(--font-head); font-weight: 700; letter-spacing: .04em; text-decoration: none; border-radius: 3px; transition: background .25s; }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: #c0392b; color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--brand); }
.site-header__inner { display: flex; align-items: center; gap: 18px; min-height: 84px; }
.brand { display: block; }
.brand img { height: 48px; width: auto; }
.header-phone { margin-left: auto; color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; text-decoration: none; white-space: nowrap; }
.header-phone:hover { color: var(--sky); }
.primary-nav ul { display: flex; flex-wrap: wrap; gap: 18px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.primary-nav li { margin: 0; }
.primary-nav a { color: #fff; font-family: var(--font-head); font-size: .92rem; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; text-decoration: none; }
.primary-nav a:hover { color: var(--sky); }
.nav-toggle { display: none; }

/* Hero */
.hero { position: relative; display: flex; align-items: center; justify-content: center; min-height: 460px; padding: 80px 0; margin-bottom: 48px; text-align: center; color: #fff; background: linear-gradient(135deg, #072f5e 0%, var(--brand) 55%, var(--brand-light) 100%); }
.hero__inner { max-width: 820px; }
.hero h1 { color: #fff; text-transform: uppercase; margin-bottom: .4em; }
.kicker { font-family: var(--font-head); font-size: 1.1rem; text-transform: uppercase; letter-spacing: .28em; color: var(--sky); margin-bottom: .8em; }
.hero__lead { font-size: 1.05rem; margin-bottom: 1.8em; color: #e4eef8; }

/* Sections */
.section { padding: 56px 0; }
.section--intro { padding-top: 0; }
.section--light { background: var(--light); }
.section--dark { background: var(--brand-dark); color: #dbe7f4; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark strong { color: #fff; }
.section--contact { background: var(--ink); color: #cfdbe8; }
.section--contact h2 { color: #fff; }
.section--contact a { color: var(--sky); }
.lead { font-size: 1.06rem; }
.note { font-size: .94rem; color: #5a6b7d; }
.section--dark .note { color: #b9cde3; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0 0 1.6em; }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: .97rem; }
th, td { border: 1px solid var(--line); padding: 11px 14px; text-align: left; vertical-align: top; }
thead th { background: var(--brand); color: #fff; font-family: var(--font-head); text-transform: uppercase; letter-spacing: .02em; }
.spec th { width: 34%; background: var(--light); color: var(--ink); font-weight: 700; }
tbody tr:nth-child(even) td { background: #fafcfe; }

/* Lists */
.cols { column-gap: 32px; }

/* News */
.grid--news { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.news { background: #fff; border-top: 3px solid var(--brand-light); padding: 20px 22px 6px; box-shadow: 0 2px 10px rgba(12, 40, 80, .06); }
.news h3 { margin-top: 0; font-size: 1.08rem; }

/* Contact */
.contact { font-style: normal; }
.contact p { margin: 0 0 .6em; }
.contact strong { color: #fff; font-family: var(--font-head); font-size: 1.25rem; letter-spacing: .04em; }

/* Footer */
.site-footer { background: #091a2c; color: rgba(255, 255, 255, .78); font-size: .92rem; }
.site-footer .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 22px; padding-bottom: 22px; }
.site-footer p { margin: 0; }
.site-footer__brand { font-family: var(--font-head); font-weight: 700; letter-spacing: .04em; color: #fff; }

@media (min-width: 700px) {
  .cols { columns: 2; }
}

@media (max-width: 1100px) {
  .nav-toggle { display: block; margin-left: auto; width: 44px; height: 44px; padding: 0; border: 0; background: none; cursor: pointer; position: relative; z-index: 60; }
  .nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 11px; width: 22px; height: 2px; background: #fff; }
  .nav-toggle__bar { top: 21px; }
  .nav-toggle__bar::before { top: -7px; left: 0; }
  .nav-toggle__bar::after { top: 7px; left: 0; }
  .brand { position: relative; z-index: 60; }
  .primary-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--brand); padding: 8px 16px 18px; }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; gap: 0; margin: 0; }
  .primary-nav li + li { border-top: 1px solid rgba(255, 255, 255, .14); }
  .primary-nav a { display: block; padding: 12px 0; }
  .header-phone { margin-left: 0; order: 3; font-size: 1rem; }
}

@media (max-width: 549px) {
  .site-header__inner { min-height: 68px; }
  .brand img { height: 38px; }
  .hero { min-height: 340px; padding: 56px 0; margin-bottom: 34px; }
  .section { padding: 40px 0; }
  th, td { padding: 9px 10px; }
}
