:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3f9;
  --text: #0f1720;
  --muted: #506073;
  --primary: #0a5c8f;
  --primary-strong: #06486f;
  --border: #d6e0ec;
  --shadow: 0 10px 30px rgba(10, 43, 68, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at top right, #dfeeff 0%, transparent 35%),
    radial-gradient(circle at bottom left, #e7f5ef 0%, transparent 30%),
    var(--bg);
}

img {
  max-width: 100%;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid #1f8bd0;
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #0a243a;
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 0 0 8px 8px;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.narrow {
  width: min(840px, 100%);
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.03em;
  font-size: 1.15rem;
  color: #0d2a42;
}

.brand:hover {
  text-decoration: none;
}

.site-nav {
  position: relative;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.35rem;
}

.nav-link {
  display: inline-block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  color: #22313f;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--surface-soft);
  text-decoration: none;
}

.nav-link.active {
  background: #d8ecfb;
  color: #063a5c;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  padding: 0.55rem;
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: #1f3144;
}

.hero {
  padding: 4.4rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1.5rem;
  align-items: stretch;
}

.eyebrow {
  margin: 0;
  color: var(--primary-strong);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.9rem;
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  line-height: 1.25;
}

h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.75rem);
}

.lead {
  font-size: 1.08rem;
  color: #233445;
}

.hero-panel,
.badge-panel,
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.hero-panel p,
.badge-panel p {
  margin-top: 0;
}

.section {
  padding: 2.5rem 0;
}

.section-page {
  min-height: 60vh;
}

.section-alt {
  background: linear-gradient(180deg, rgba(236, 244, 252, 0.55), rgba(236, 244, 252, 0.2));
  border-block: 1px solid var(--border);
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.product-highlight,
.product-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: start;
}

.feature-list {
  padding-left: 1.1rem;
  margin: 0 0 1.25rem;
}

.feature-list li {
  margin-bottom: 0.4rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.2rem;
}

.center-row {
  justify-content: center;
}

.btn {
  display: inline-block;
  border-radius: 11px;
  padding: 0.7rem 1rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.btn-outline {
  border-color: #8fb7d4;
  color: #12496f;
  background: #f4fafe;
}

.btn-outline:hover {
  background: #e8f3fb;
}

.badge {
  display: inline-block;
  margin: 0 0 0.9rem;
  background: #d8f2e6;
  color: #0a5a3b;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}

.price-tag {
  display: inline-block;
  background: #d8f2e6;
  color: #0d5d3e;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-weight: 700;
  margin: 0.35rem 0 1rem;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.contact-list li {
  margin-bottom: 0.55rem;
}

.faq-list details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 0.95rem;
  background: var(--surface);
  margin-bottom: 0.7rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin-bottom: 0;
}

label {
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid #b8c9da;
  border-radius: 10px;
  padding: 0.68rem;
  margin-bottom: 0.9rem;
  font: inherit;
  background: #fff;
}

.form-status {
  min-height: 1.2rem;
  font-size: 0.95rem;
  color: #20425b;
}

.center-block {
  text-align: center;
}

.legal h2 {
  margin-top: 1.3rem;
}

.site-footer {
  margin-top: 2rem;
  background: #0d2438;
  color: #deecf7;
  padding-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.footer-title {
  font-size: 1.05rem;
  margin-bottom: 0.65rem;
}

.site-footer p {
  margin: 0 0 0.55rem;
  color: #d3e3f0;
}

.site-footer a {
  color: #b9dbf4;
}

.footer-bottom {
  border-top: 1px solid rgba(196, 219, 238, 0.25);
  margin-top: 1rem;
  padding: 1rem 0;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .product-highlight,
  .product-layout,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 0;
    flex-direction: column;
    min-width: 210px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.45rem;
    box-shadow: var(--shadow);
    z-index: 20;
  }

  .nav-list.open {
    display: flex;
  }
}
