:root {
  --primary-color: #284b63;
  --primary-light: #e9f2f6;
  --secondary-color: #f4a261;
  --dark-color: #101e27;
  --text-color: #2d3d46;
  --muted-color: #6a7780;
  --bg-color: #f7fbfc;
  --surface-color: #ffffff;
  --border-color: #d7e3e8;
  --radius-sm: 25px;
  --radius-md: 31px;
  --radius-lg: 43px;
  --shadow-soft: 0 16px 36px rgba(20, 30, 45, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Tahoma, Geneva, sans-serif;
  color: var(--text-color);
  background:
    radial-gradient(circle at 11% 33%, var(--primary-light), transparent 34%),
    linear-gradient(180deg, var(--bg-color), #fff);
  line-height: 1.65;
}
a { color: var(--primary-color); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1320px, calc(100% - 32px)); margin: 0 auto; }
.narrow { max-width: 850px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 20px;
}
.brand-mark { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; color: var(--dark-color); }
.brand-mark img { width: 42px; height: 42px; }
.main-nav { display: flex; align-items: center; gap: 23px; }
.main-nav a { color: var(--text-color); font-size: 0.96rem; padding: 9px 10px; border-radius: var(--radius-sm); }
.main-nav a:hover { background: var(--primary-light); text-decoration: none; }
.menu-toggle { display: none; border: 1px solid var(--border-color); background: var(--surface-color); border-radius: var(--radius-sm); padding: 10px 14px; }
.section { padding: 84px 0; }
.section-heading { max-width: 760px; margin-bottom: 28px; }
.eyebrow { display: inline-flex; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; color: var(--primary-color); font-weight: 800; margin-bottom: 10px; }
h1, h2, h3 { line-height: 1.15; color: var(--dark-color); margin: 0 0 16px; }
h1 { font-size: clamp(2.25rem, 5vw, 4.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.71rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 16px; color: var(--muted-color); }
.hero-section {
  padding-top: 114px;
}
.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 56px;
}
.hero-copy, .hero-visual { flex: 1 1 0; }
.hero-copy {
  padding: 46px;
  border-radius: var(--radius-lg);
  background: var(--surface-color);
  box-shadow: var(--shadow-soft);
}
.hero-copy h1, .hero-copy p {  }
.hero-copy .microcopy { font-size: .92rem; opacity: .86; }
.hero-visual {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-light), rgba(255,255,255,.8));
  padding: 36px;
  box-shadow: var(--shadow-soft);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: var(--radius-md);
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn:focus, input:focus, textarea:focus, button:focus { outline: 3px solid var(--primary-light); outline-offset: 2px; }
.btn-primary { background: var(--primary-color); color: #fff; box-shadow: var(--shadow-soft); }
.btn-secondary { background: var(--surface-color); color: var(--primary-color); border-color: var(--border-color); }
.card-grid, .stats-grid, .indicator-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.info-card, .stat-card, .indicator, .text-panel, .fact-panel, .cta-card, .strip-box, .site-form, .contact-notes article {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-soft);
}
.info-card a { font-weight: 800; }
.stat-card strong { font-size: 2.25rem; color: var(--primary-color); display: block; }
.stat-card span { font-weight: 800; color: var(--dark-color); }
.steps-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.steps-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 14px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}
.steps-list span { width: 40px; height: 40px; border-radius: 50%; background: var(--primary-light); color: var(--primary-color); display: grid; place-items: center; font-weight: 800; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--surface-color); overflow: hidden; }
.faq-question { width: 100%; text-align: left; background: transparent; border: 0; padding: 18px; font-weight: 800; color: var(--dark-color); cursor: pointer; }
.faq-answer { display: none; padding: 0 18px 18px; }
.faq-item.is-open .faq-answer { display: block; }
.strip-box, .cta-card, .fact-panel, .preview-grid, .form-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 24px;
  align-items: center;
}
.interface-preview img { background: var(--surface-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.fact-list { display: grid; gap: 10px; }
.fact-row { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--border-color); }
.indicator img { width: 38px; height: 38px; margin-bottom: 14px; }
.page-hero { background: linear-gradient(135deg, var(--primary-light), transparent); }
.site-form { display: grid; gap: 16px; }
.site-form label { display: grid; gap: 7px; font-weight: 800; color: var(--dark-color); }
input, textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  font: inherit;
  background: #fff;
  color: var(--text-color);
}
.checkbox-row { grid-template-columns: auto 1fr; align-items: start; font-weight: 600 !important; }
.checkbox-row input { width: auto; margin-top: 6px; }
.form-message { display: none; background: var(--primary-light); color: var(--primary-color); padding: 12px; border-radius: var(--radius-sm); font-weight: 800; }
.form-message.is-visible { display: block; }
.legal-copy h2 { margin-top: 30px; }
.site-footer { background: var(--dark-color); color: #fff; padding: 52px 0 22px; margin-top: 60px; }
.site-footer p, .site-footer a, .footer-bottom span { color: rgba(255,255,255,.78); }
.site-footer a { display: block; margin: 8px 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 30px; }
.footer-logo { width: 48px; height: 48px; margin-bottom: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.16); padding-top: 20px; margin-top: 28px; }