:root {
  --ets-navy: #0b1d3a;
  --ets-blue: #123f7a;
  --ets-light: #f4f8fc;
  --ets-red: #d62839;
  --ets-text: #152238;
  --ets-muted: #4f5f76;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ets-text);
  background: #ffffff;
}

a {
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: linear-gradient(90deg, rgba(10, 25, 49, 0.97), rgba(14, 37, 71, 0.96));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(182, 202, 234, 0.22);
  box-shadow: 0 8px 24px rgba(4, 12, 24, 0.22);
}

.navbar-brand img {
  height: 46px;
  width: auto;
}

.header-logo {
  height: 50px;
  width: auto;
  border-radius: 0.45rem;
  background: #ffffff;
  padding: 0.2rem;
  border: 1px solid #d7e5ff;
}

.brand-title {
  color: #ffffff;
  line-height: 1;
  letter-spacing: 0.045em;
  font-size: 1.06rem;
  text-transform: uppercase;
}

.navbar-nav .nav-link {
  color: #e1eaf8;
  font-weight: 600;
  padding: 0.62rem 0.88rem;
  border-radius: 0.45rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus-visible,
.navbar-nav .nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.btn-accent {
  background: var(--ets-red);
  color: #ffffff;
  border: 1px solid var(--ets-red);
  border-radius: 0.6rem;
  font-weight: 700;
  padding: 0.58rem 1rem;
  box-shadow: 0 8px 18px rgba(214, 40, 57, 0.3);
}

.btn-accent:hover,
.btn-accent:focus-visible {
  background: #b81f2e;
  border-color: #b81f2e;
  color: #ffffff;
}

.btn-outline-light-strong {
  border: 1px solid #d7e5ff;
  color: #ffffff;
}

.btn-outline-light-strong:hover,
.btn-outline-light-strong:focus-visible {
  background: #ffffff;
  color: var(--ets-navy);
}

.hero {
  color: #ffffff;
  background: linear-gradient(120deg, rgba(7, 16, 33, 0.85), rgba(18, 63, 122, 0.82)),
    url("../img/hero-banner.svg") center/cover no-repeat;
  padding: 7.5rem 0 6rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 3.5rem);
  font-weight: 700;
  max-width: 16ch;
}

.hero p {
  color: #dfe9fd;
  font-size: 1.05rem;
  max-width: 56ch;
}

.section-pad {
  padding: 4.5rem 0;
}

.section-light {
  background: var(--ets-light);
}

.card-elevated {
  background: #ffffff;
  border: 1px solid #e3ecf8;
  border-radius: 0.95rem;
  box-shadow: 0 10px 28px rgba(13, 35, 72, 0.07);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.card-elevated:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(13, 35, 72, 0.12);
}

.service-icon {
  width: 100%;
  max-width: 260px;
  border-radius: 0.75rem;
  border: 1px solid #dce8f8;
  background: #ffffff;
}

.service-anchor-list a {
  color: var(--ets-blue);
  font-weight: 600;
  margin: 0.25rem 0.65rem 0.25rem 0;
  display: inline-block;
}

.service-anchor-list a:hover,
.service-anchor-list a:focus-visible {
  color: var(--ets-red);
}

.trust-badge {
  border-left: 3px solid var(--ets-red);
  padding-left: 1rem;
  color: var(--ets-muted);
}

.cta-band {
  background: linear-gradient(120deg, var(--ets-navy), #173f77);
  color: #ffffff;
  border-radius: 1rem;
  padding: 2rem;
}

.banner {
  border-radius: 1rem;
  border: 1px solid #dbe8fa;
  width: 100%;
  height: auto;
}

.form-wrap {
  background: #ffffff;
  border: 1px solid #dfe9f8;
  border-radius: 0.9rem;
  box-shadow: 0 8px 24px rgba(14, 33, 65, 0.06);
}

.form-control,
.form-select {
  border-color: #b8cbe5;
}

.form-control:focus,
.form-select:focus,
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--ets-red);
  outline-offset: 2px;
  box-shadow: none;
}

.field-error {
  color: #b02030;
  font-size: 0.87rem;
  margin-top: 0.25rem;
}

.footer {
  background: #08152c;
  color: #d9e4fa;
}

.footer a {
  color: #c5d5f1;
}

.footer-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 0.45rem;
  background: #ffffff;
  border: 1px solid #c7d8f6;
  padding: 0.12rem;
}

.footer a:hover,
.footer a:focus-visible {
  color: #ffffff;
}

.visually-hidden-field {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

@media (max-width: 991px) {
  .navbar-nav .nav-link {
    margin-bottom: 0.25rem;
  }

  .brand-title {
    font-size: 0.94rem;
    letter-spacing: 0.04em;
  }

  .hero {
    padding-top: 6.5rem;
  }

  .header-logo {
    height: 46px;
  }
}
