*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Lato", Arial, sans-serif;
  color: #153638;
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 205, 95, 0.18), transparent 30%),
    linear-gradient(180deg, #f7fbfb 0%, #ffffff 34%);
}
a { color: inherit; }
.seo-topbar {
  padding: 9px 20px;
  border-bottom: 1px solid #dfecec;
  background: rgba(255,255,255,0.78);
  color: #5d7375;
  font-size: 13px;
  text-align: center;
}
.seo-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #dfecec;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
}
.seo-nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 12px 22px;
}
.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  color: #122f31;
  font-weight: 900;
  text-decoration: none;
}
.seo-brand img { width: 38px; height: 38px; border-radius: 11px; }
.seo-nav-links { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.seo-nav-links a {
  padding: 9px 11px;
  border-radius: 999px;
  color: #476669;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}
.seo-nav-links a:hover { background: #e8f5f2; color: #173f40; }
.seo-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 42px 22px 72px;
}
.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 28px;
}
.seo-hero-main,
.seo-panel,
.seo-card,
.seo-index-card {
  border: 1px solid #dfecec;
  border-radius: 30px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 22px 60px rgba(17, 56, 57, 0.08);
}
.seo-hero-main { padding: clamp(28px, 5vw, 54px); }
.seo-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #e8f5f2;
  color: #257d80;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 {
  font-family: "Cabin", Arial, sans-serif;
  color: #123335;
}
h1 {
  max-width: 860px;
  margin: 0 0 14px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.94;
  letter-spacing: -0.04em;
}
h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}
h3 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.12;
}
p, li, td, th {
  font-size: 17px;
  line-height: 1.72;
  color: #526b6e;
}
.seo-lead { max-width: 760px; font-size: 20px; color: #456467; }
.seo-hero-side {
  display: grid;
  gap: 14px;
}
.seo-stat {
  padding: 20px;
  border-radius: 24px;
  background: #173f40;
  color: #fff;
}
.seo-stat strong { display: block; font-size: 34px; line-height: 1; color: #ffcd5f; }
.seo-stat span { color: rgba(255,255,255,0.78); font-weight: 800; }
.seo-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.seo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 999px;
  background: #36a9ad;
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 14px 26px rgba(54, 169, 173, 0.24);
}
.seo-btn.secondary {
  background: #ffffff;
  color: #173f40;
  border: 1px solid #cfe3e3;
  box-shadow: none;
}
.seo-section { margin-top: 28px; }
.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.seo-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.seo-card, .seo-panel, .seo-index-card { padding: 24px; }
.seo-card-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 15px;
  background: #ffcd5f;
  color: #173f40;
  font-weight: 900;
}
.seo-faq details {
  border: 1px solid #dfecec;
  border-radius: 20px;
  background: #ffffff;
  padding: 17px 19px;
}
.seo-faq details + details { margin-top: 10px; }
.seo-faq summary {
  cursor: pointer;
  font-family: "Cabin", Arial, sans-serif;
  font-size: 19px;
  font-weight: 800;
  color: #14393c;
}
.seo-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid #dfecec;
  border-radius: 22px;
  background: #fff;
}
.seo-table th, .seo-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #e8f1f1;
  vertical-align: top;
  text-align: left;
}
.seo-table th {
  background: #e8f5f2;
  color: #173f40;
  font-weight: 900;
}
.seo-table tr:last-child td { border-bottom: 0; }
.seo-note {
  border-left: 5px solid #ffcd5f;
  border-radius: 20px;
  padding: 18px 20px;
  background: #fff9e9;
}
.seo-article {
  max-width: 850px;
}
.seo-article h2 { margin-top: 36px; }
.seo-article ul, .seo-article ol { padding-left: 24px; }
.seo-blog-list {
  display: grid;
  gap: 16px;
}
.seo-index-card {
  display: grid;
  gap: 8px;
  text-decoration: none;
}
.seo-index-card span { color: #36a9ad; font-weight: 900; }
.seo-timeline {
  display: grid;
  gap: 14px;
}
.seo-timeline article {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border: 1px solid #dfecec;
  border-radius: 24px;
  background: #fff;
}
.seo-timeline time { color: #257d80; font-weight: 900; }
.seo-footer {
  padding: 30px 22px 44px;
  border-top: 1px solid #dfecec;
  color: #6a7f81;
  text-align: center;
}
@media (max-width: 900px) {
  .seo-hero, .seo-grid, .seo-grid.two { grid-template-columns: 1fr; }
  .seo-nav-inner { align-items: flex-start; flex-direction: column; }
  .seo-nav-links { justify-content: flex-start; }
  .seo-timeline article { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .seo-shell { padding: 28px 14px 52px; }
  .seo-hero-main, .seo-card, .seo-panel, .seo-index-card { padding: 20px; border-radius: 24px; }
  .seo-nav-links a { padding: 8px 9px; font-size: 13px; }
  p, li, td, th { font-size: 16px; }
}
