:root {
  --bg: #f4f8fc;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: #d7e0ec;
  --blue-strong: #0f4cbd;
  --blue-deep: #0a2c63;
  --shadow: 0 18px 45px rgba(15, 76, 189, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--blue-deep);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 20;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-soft,
.trust-bar,
.contact-section {
  background: rgba(255, 255, 255, 0.72);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(248, 251, 255, 0.9);
  border-bottom: 1px solid rgba(215, 224, 236, 0.8);
}

.nav-shell,
.hero-grid,
.page-shell,
.two-column,
.contact-grid,
.split-highlight,
.footer-grid,
.stat-grid,
.card-grid,
.card-stack,
.trust-grid,
.media-band,
.faq-list,
.spec-grid,
.article-grid,
.article-layout,
.feature-grid {
  display: grid;
  gap: 22px;
}

.nav-shell {
  grid-template-columns: auto 1fr;
  align-items: center;
  min-height: 78px;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.site-nav a,
.footer-links a,
.text-link {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}

.site-nav a:hover,
.footer-links a:hover,
.text-link:hover {
  color: var(--blue-strong);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue-strong), #7aa7ff);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.88rem;
}

.btn,
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  background: var(--blue-strong);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: transparent;
  color: var(--blue-deep);
  border: 1px solid rgba(10, 44, 99, 0.18);
  box-shadow: none;
}

.hero,
.page-hero {
  padding-top: 64px;
}

.hero-grid,
.split-highlight,
.page-shell {
  grid-template-columns: 1.2fr 0.9fr;
}

.two-column,
.contact-grid,
.footer-grid,
.article-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-grid,
.trust-grid,
.media-band,
.article-grid,
.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.faq-list,
.spec-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-copy,
.hero-panel,
.panel,
.contact-card,
.article-card,
.sidebar-card,
.spec-card,
.product-card,
.info-card,
.stat-card,
.faq-item,
.guide-card,
.cta-panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}

.eyebrow,
.stat-kicker,
.panel-kicker,
.media-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  justify-self: start;
  margin: 0 0 14px;
  color: var(--blue-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  line-height: 1.04;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.25;
  margin-bottom: 12px;
}

p {
  margin-top: 0;
  color: var(--muted);
}

.lead {
  font-size: 1.12rem;
  max-width: 62ch;
  margin-bottom: 24px;
}

.compact {
  max-width: 52ch;
}

.hero-actions,
.inline-points,
.check-list,
.meta-list,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.inline-points,
.check-list,
.meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.inline-points li,
.check-list li,
.meta-list li {
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.95rem;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.left {
  margin-left: 0;
  text-align: left;
}

.media-shell {
  min-height: 180px;
  border: 1px dashed rgba(15, 76, 189, 0.35);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(219, 232, 255, 0.75), rgba(255, 255, 255, 0.95));
  display: grid;
  place-content: center;
  text-align: center;
  padding: 24px;
  color: var(--blue-deep);
}

.media-tall {
  min-height: 100%;
}

.media-wide {
  min-height: 260px;
}

.product-page-shell {
  align-items: stretch;
}

.product-page-shell .hero-copy {
  display: grid;
  align-content: center;
}

.product-image-shell {
  display: block;
  min-height: 100%;
  padding: 0;
  overflow: hidden;
  border-style: solid;
  border-color: rgba(15, 76, 189, 0.16);
  background: linear-gradient(135deg, rgba(219, 232, 255, 0.75), rgba(255, 255, 255, 0.96));
}

.product-image-shell img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.breadcrumb {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-card,
.contact-card p,
.contact-card a {
  background: var(--blue-deep);
  color: #fff;
}

.contact-card {
  border-color: rgba(255, 255, 255, 0.08);
}

.cta-panel {
  background: linear-gradient(135deg, rgba(15, 76, 189, 0.08), rgba(255, 255, 255, 0.96));
}

.site-footer {
  padding: 28px 0 48px;
}

.footer-links {
  justify-content: flex-end;
  align-items: center;
}

.article-card ul {
  padding-left: 20px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .nav-shell,
  .hero-grid,
  .page-shell,
  .split-highlight,
  .two-column,
  .contact-grid,
  .footer-grid,
  .stat-grid,
  .product-grid,
  .trust-grid,
  .media-band,
  .faq-list,
  .spec-grid,
  .article-grid,
  .article-layout,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav-shell {
    padding: 16px 0;
  }

  .site-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .section {
    padding: 72px 0;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .btn,
  .nav-cta {
    width: 100%;
  }
}