:root {
  --staihas-primary: #1e73be;
  --staihas-primary-dark: #155a94;
  --staihas-preheader: #2878bf;
  --staihas-menu: #444444;
  --staihas-body-bg: #f3f3f3;
  --staihas-footer: #22272b;
  --staihas-footer-bottom: #1d2023;
  --primary: var(--staihas-primary);
  --primary-dark: var(--staihas-primary-dark);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Roboto', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: #444;
  background: var(--staihas-body-bg);
}
h1, h2, h3, h4 {
  font-family: 'Montserrat', 'Roboto', sans-serif;
  color: #212121;
  font-weight: 700;
}
a { color: var(--staihas-primary); text-decoration: none; }
a:hover { color: var(--staihas-primary-dark); }

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.pre-header {
  background: var(--staihas-preheader);
  color: #fff;
  font-size: 13px;
  line-height: 22px;
  padding: 10px 0;
}
.pre-header,
.pre-header a { color: #fff; }
.pre-header a:hover { opacity: .85; color: #fff; }
.pre-header .inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.pre-header i { margin-right: 6px; }
.pre-header .contacts span { margin-left: 18px; }

.site-header {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 12px 0;
}
.branding {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #212121;
  text-decoration: none;
  min-width: 0;
}
.branding:hover { color: var(--staihas-primary); }
.branding img { width: 72px; height: 72px; object-fit: contain; display: block; }
.branding-text { display: flex; flex-direction: column; line-height: 1.25; }
.branding-text strong { font-family: Montserrat, sans-serif; font-size: 1rem; }
.branding-text span { font-size: 12px; color: #6b7280; font-weight: 500; }

.main-nav { display: flex; flex-wrap: wrap; align-items: center; gap: .15rem 0; }
.main-nav a {
  color: var(--staihas-menu);
  font-weight: 500;
  font-size: 14px;
  padding: 8px 12px;
  display: inline-block;
}
.main-nav a:hover,
.main-nav a.is-active { color: var(--staihas-primary); }
.nav-toggle { display: none; }

.page-title-area {
  background: var(--staihas-primary);
  color: #fff;
  padding: 28px 0;
}
.page-title-area h1 {
  margin: 0;
  color: #fff;
  font-size: 1.75rem;
}
.page-title-area p { margin: .35rem 0 0; opacity: .95; color: #fff; }

main.site-main { min-height: 50vh; padding: 1.5rem 0 2.5rem; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 1rem; }
.wrap-lg { max-width: 1100px; margin: 0 auto; padding: 0 1rem; }

.btn {
  display: inline-block;
  padding: .6rem 1.2rem;
  border-radius: 2px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-size: .95rem;
  font-family: inherit;
}
.btn-primary { background: var(--staihas-primary); color: #fff; }
.btn-primary:hover { background: var(--staihas-primary-dark); color: #fff; }
.btn-outline { background: #fff; border: 1px solid var(--staihas-primary); color: var(--staihas-primary); }
.btn-outline:hover { background: var(--staihas-primary); color: #fff; }

.card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 2px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.hero { display: none; }
.grid { display: grid; gap: 1rem; }
@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: 1fr 1fr; }
}
.label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .35rem; }
.input {
  width: 100%;
  padding: .55rem .75rem;
  border: 1px solid #d1d5db;
  border-radius: 2px;
  font-size: 1rem;
  font-family: inherit;
}
.input:focus { outline: 2px solid #93c5fd; border-color: var(--staihas-primary); }
.error { color: #dc2626; font-size: .875rem; margin-top: .25rem; }
.alert, .alert-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: .75rem 1rem;
  margin-bottom: 1rem;
}
.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: .75rem 1rem;
  margin-bottom: 1rem;
}
.steps { display: flex; gap: .5rem; margin: 0 0 1.5rem; padding: 0; list-style: none; }
.steps li {
  flex: 1;
  font-size: .8rem;
  text-align: center;
  padding: .5rem;
  background: #e5e7eb;
  color: #4b5563;
}
.steps li.active { background: var(--staihas-primary); color: #fff; }
.badge { display: inline-block; padding: .15rem .5rem; font-size: .75rem; background: #e5e7eb; }
.muted { color: #6b7280; font-size: .875rem; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .65rem .75rem; text-align: left; border-bottom: 1px solid #f3f4f6; }
th { background: #f9fafb; color: #4b5563; }

.site-footer { background: var(--staihas-footer); color: #aaa; margin-top: 2rem; }
.footer-widgets { padding: 48px 0 28px; }
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
}
.footer-widgets h4 {
  color: #fff;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 0 0 1rem;
}
.footer-widgets p, .footer-widgets li { color: #c8ced4; font-size: 14px; }
.footer-widgets ul { list-style: none; margin: 0; padding: 0; }
.footer-widgets li { margin-bottom: 10px; }
.footer-widgets a { color: #c8ced4; }
.footer-widgets a:hover { color: #fff; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; color: #fff; }
.footer-logo img { width: 64px; height: 64px; }
.footer-logo:hover { color: #fff; }
.site-info {
  background: var(--staihas-footer-bottom);
  color: #999;
  padding: 16px 0;
  border-top: 1px solid #353535;
  font-size: 13px;
}
.site-info .inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-info a { color: #fff; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: inline-block; background: none; border: 1px solid #d1d5db; padding: .4rem .7rem; cursor: pointer; }
  .main-nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding-bottom: 12px; }
  .site-header-inner { flex-wrap: wrap; }
  .nav-toggle[aria-expanded="true"] + .main-nav,
  #nav-open:checked ~ .site-header .main-nav { display: flex; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .branding img { width: 56px; height: 56px; }
  .pre-header .contacts span { display: block; margin: 4px 0 0; }
}