:root {
  --primary: #0056b3;
  --primary-dark: #003f80;
  --accent: #00a36f;
  --bg: #f5f7fb;
  --text: #202124;
  --muted: #5f6368;
  --card-bg: #ffffff;
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.08);
  --radius-lg: 1.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #e0f2ff 0, #f9fafb 40%, #eef2ff 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(18px);
  color: #e5e7eb;
  border-bottom: 1px solid rgba(148, 163, 184, 0.5);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.4rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.topbar-pill {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #e5e7eb;
}

.topbar-phone {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 600;
}

.topbar-phone span {
  font-size: 0.8rem;
  opacity: 0.9;
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 1rem;
  background: radial-gradient(circle at 20% 0, #38bdf8 0, #1d4ed8 45%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
}

.logo-mark span {
  font-size: 1.4rem;
  color: #e5e7eb;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.logo-text strong {
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo-text span {
  font-size: 0.78rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.nav-links a {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.86rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: #111827;
  transition: all 0.18s ease-out;
}

.nav-links a.nav-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent;
  color: #f9fafb;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.35);
}

.nav-links a:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.18);
}

.main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
}

.hero {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 2.4vw + 1.6rem, 2.8rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.8rem;
}

.hero-copy p.lead {
  margin: 0 0 1.1rem;
  font-size: 1.02rem;
  color: var(--muted);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.8);
  font-size: 0.78rem;
}

.badge-flag {
  width: 16px;
  height: 12px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.18s ease-out;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #f9fafb;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.35);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: #111827;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.18);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-meta strong {
  color: #111827;
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: rgba(255, 255, 255, 0.98);
  border-radius: 2rem;
  padding: 1.2rem;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.hero-tagline {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.hero-card h2 {
  margin: 0 0 0.7rem;
  font-size: 1.3rem;
}

.hero-card p {
  margin: 0 0 0.9rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.hero-product {
  margin-top: 0.1rem;
  border-radius: 1.4rem;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.hero-footer-note {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-floating {
  position: absolute;
  right: -6px;
  bottom: -24px;
  width: 140px;
  border-radius: 1.4rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
  overflow: hidden;
}

/* sections */

.section {
  margin-top: 3rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.section-kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.section-title {
  margin: 0.1rem 0 0.35rem;
  font-size: 1.4rem;
}

.section-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.section-link {
  font-size: 0.82rem;
  color: var(--primary-dark);
}

/* construction & ergonomics */

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0.6rem 0 0;
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.checklist li::before {
  content: "✓";
  color: #16a34a;
  font-weight: 700;
  margin-right: 0.35rem;
}

.note {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* cards */

.card-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(226, 232, 240, 0.9);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.card-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.12em;
}

.card h3 {
  margin: 0;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* article list */

.article-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.article-row--single {
  grid-template-columns: minmax(0, 1fr);
}

.article-card {
  background: rgba(255, 255, 255, 0.98);
  border-radius: 1.4rem;
  padding: 1rem;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(226, 232, 240, 0.9);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-meta {
  font-size: 0.75rem;
  color: var(--muted);
}

.article-card h3 {
  margin: 0;
  font-size: 1rem;
}

.article-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.article-card a.more {
  margin-top: auto;
  font-size: 0.82rem;
  color: var(--primary-dark);
}

/* CTA strip */

.cta-strip {
  margin-top: 3rem;
  padding: 1.4rem 1.6rem;
  border-radius: 1.6rem;
  background: linear-gradient(120deg, #0f172a, #1d4ed8);
  color: #e5e7eb;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.55);
}

.cta-strip h2 {
  margin: 0;
  font-size: 1.3rem;
}

.cta-strip p {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
}

.cta-strip .btn-primary {
  background: #22c55e;
  color: #022c22;
  box-shadow: 0 14px 30px rgba(34, 197, 94, 0.4);
}

/* footer */

.footer {
  margin-top: 2.8rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 2rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem 1.2rem;
}

.footer-links a {
  font-size: 0.82rem;
}

.footer-note {
  margin-top: 1.2rem;
  font-size: 0.78rem;
}

/* article layout */

.article-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
}

.breadcrumb {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.article-header h1 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
}

.article-header p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.article-body {
  margin-top: 1.5rem;
  font-size: 0.98rem;
  line-height: 1.7;
}

.article-body h2 {
  font-size: 1.2rem;
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
}

.article-body ul {
  padding-left: 1.1rem;
}

.article-body li {
  margin-bottom: 0.25rem;
}

/* responsive */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-visual {
    order: -1;
  }
  .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }
  .card-row,
  .article-row,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .topbar-inner,
  .nav,
  .main,
  .article-page {
    padding-inline: 1rem;
  }
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.4rem;
  }
  .nav-links a {
    white-space: nowrap;
  }
  .hero-copy h1 {
    font-size: 1.9rem;
  }
}


/* Banner size tweaks 2025-12-05 */
.banner-small60 {
  width: 60%;
  max-width: 60%;
}

.banner-small50 {
  width: 50%;
  max-width: 50%;
}