:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5d687b;
  --line: #dce3ee;
  --blue: #2563eb;
  --blue-dark: #173ea5;
  --green: #14a37f;
  --orange: #f59e0b;
  --shadow: 0 20px 60px rgba(23,32,51,.12);
  --radius: 8px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.header-grid { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; min-width: 220px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: var(--radius); color: #fff; background: linear-gradient(135deg, var(--blue), var(--green)); font-weight: 800; }
.brand small { display: block; color: var(--muted); font-size: 12px; line-height: 1.25; }
.nav { display: flex; align-items: center; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }
.nav a { padding: 9px 12px; color: var(--muted); text-decoration: none; border-radius: var(--radius); font-size: 15px; }
.nav a:hover { background: #eef4ff; color: var(--blue-dark); }
.nav .nav-cta { color: #fff; background: var(--blue); }
.hero { padding: 70px 0 46px; background: radial-gradient(circle at 80% 20%, rgba(20,163,127,.18), transparent 32%), linear-gradient(180deg, #fff, #eef5ff); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .75fr); gap: 36px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: var(--green); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: .08em; }
h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(34px, 6vw, 64px); max-width: 920px; }
h2 { font-size: clamp(26px, 4vw, 42px); }
h3 { font-size: 20px; }
.lead { color: var(--muted); font-size: 20px; max-width: 760px; margin: 18px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 18px; border-radius: var(--radius); text-decoration: none; font-weight: 700; border: 1px solid transparent; }
.button.primary { background: var(--blue); color: #fff; }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary { border-color: var(--line); background: var(--surface); color: var(--text); }
.button.light { background: #fff; color: var(--blue-dark); }
.hero-panel { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.hero-panel div { min-height: 130px; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-panel b { display: block; font-size: 34px; color: var(--blue); line-height: 1; }
.hero-panel span { display: block; margin-top: 10px; color: var(--muted); }
.section { padding: 72px 0; background: var(--surface); }
.section.muted { background: var(--bg); }
.split { display: grid; grid-template-columns: .72fr 1.28fr; gap: 38px; align-items: start; }
.split p, .columns p, .pricing p, .article-body p, .aside p, .cta p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.feature-grid article, .price-card, .article-card, .aside-card, .aside-links { padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.feature-grid b { color: var(--orange); }
.columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 26px; }
.pricing { display: grid; grid-template-columns: 1fr minmax(280px, 420px); gap: 32px; align-items: center; }
.price-card { box-shadow: var(--shadow); }
.price-card span { color: var(--green); font-weight: 700; }
.price-card strong { display: block; margin: 8px 0; font-size: 30px; line-height: 1.1; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.article-card { min-height: 190px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.article-card span { color: var(--green); font-size: 13px; font-weight: 700; text-transform: uppercase; }
.article-card small { color: var(--muted); font-size: 14px; }
.cta { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: #fff; }
.cta-box { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
.cta p { color: rgba(255,255,255,.82); max-width: 740px; }
.page-hero { padding: 56px 0 42px; background: linear-gradient(180deg, #fff, #eef5ff); }
.back-link { display: inline-block; margin-bottom: 22px; color: var(--blue-dark); text-decoration: none; font-weight: 700; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(260px, 340px); gap: 34px; align-items: start; }
.article-body { font-size: 18px; }
.article-body p:first-child { font-size: 21px; color: var(--text); }
.article-list { padding-left: 24px; color: var(--muted); }
.article-list li { margin: 0 0 12px; }
.aside { position: sticky; top: 96px; display: grid; gap: 14px; }
.aside-links { display: grid; gap: 10px; }
.aside-links a { color: var(--blue-dark); text-decoration: none; border-top: 1px solid var(--line); padding-top: 10px; }
.site-footer { padding: 34px 0; background: #121a2a; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; }
.site-footer p { color: rgba(255,255,255,.72); max-width: 820px; margin: 8px 0 0; }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-links a { color: #fff; text-decoration: none; }
@media (max-width: 900px) {
  .header-grid, .hero-grid, .split, .pricing, .article-layout, .cta-box, .footer-grid { grid-template-columns: 1fr; }
  .header-grid { align-items: flex-start; padding: 14px 0; }
  .nav { justify-content: flex-start; }
  .columns, .article-grid { grid-template-columns: 1fr; }
  .aside { position: static; }
}
@media (max-width: 620px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .hero { padding-top: 42px; }
  .section { padding: 48px 0; }
  .feature-grid, .hero-panel { grid-template-columns: 1fr; }
  .nav a { padding: 8px 9px; font-size: 14px; }
  .lead { font-size: 18px; }
  .article-body { font-size: 17px; }
}


/* Restored legacy visual assets, modernized */
.brand-logo {
  display: grid;
  place-items: center;
  width: 58px;
  min-width: 58px;
  height: 42px;
}
.brand-logo img { max-width: 58px; max-height: 42px; display: block; }
.visual-panel {
  grid-template-columns: 1.2fr 1fr;
}
.hero-art {
  grid-row: span 3;
  display: grid;
  place-items: center;
}
.hero-art img {
  width: min(100%, 280px);
  height: auto;
  display: block;
  filter: drop-shadow(0 18px 24px rgba(23,32,51,.16));
}
.feature-grid article {
  position: relative;
  overflow: hidden;
}
.feature-grid article > img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
  margin-bottom: 14px;
}
.platforms {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.logo-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(100px, 1fr));
  gap: 14px;
  margin-top: 26px;
}
.logo-strip img {
  width: 100%;
  height: 86px;
  object-fit: contain;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.certificates {
  background: #fff;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: 26px;
}
.cert-grid img {
  width: 100%;
  height: auto;
  background: #f7f9fc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
}
@media (max-width: 900px) {
  .visual-panel, .logo-strip, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-art { grid-row: auto; }
}
@media (max-width: 520px) {
  .logo-strip, .cert-grid { grid-template-columns: 1fr; }
}


/* SEO extension and denser modular cards */
.dense-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.compact-points {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.compact-points li {
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
}
@media (max-width: 1100px) {
  .dense-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dense-grid { grid-template-columns: 1fr; }
}


.compact-article p {
  margin: 0 0 18px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.compact-article p:first-child {
  font-size: 18px;
  color: var(--text);
}