:root {
  --ink: #18202c;
  --muted: #5d6a7c;
  --line: #dfe6ef;
  --soft: #f5f8fc;
  --panel: #ffffff;
  --brand: #1f6feb;
  --brand-dark: #174ea6;
  --leaf: #1f8a5b;
  --gold: #b7791f;
  --danger: #9b2c2c;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--soft);
  color: var(--ink);
  line-height: 1.65;
}

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

a:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

.nav {
  align-items: center;
  display: flex;
  gap: 22px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1160px;
  padding: 16px 22px;
}

.brand {
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  white-space: nowrap;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.nav-links a {
  color: #2d3748;
  font-size: 15px;
}

.button,
button {
  background: var(--brand);
  border: 0;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  text-decoration: none;
}

.button:hover {
  background: var(--brand-dark);
  color: #fff;
  text-decoration: none;
}

.button.secondary {
  background: #e9eef8;
  color: #20304a;
}

.button.secondary:hover {
  background: #dbe5f5;
  color: #20304a;
}

.hero {
  background:
    linear-gradient(90deg, rgba(16, 24, 38, 0.86), rgba(16, 24, 38, 0.44)),
    url("https://images.unsplash.com/photo-1517935706615-2717063c2225?auto=format&fit=crop&w=1800&q=80") center / cover;
  color: #fff;
}

.hero-inner {
  margin: 0 auto;
  max-width: 1160px;
  min-height: 520px;
  padding: 88px 22px 74px;
}

.eyebrow {
  color: #d6e4ff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 12px;
}

.hero h1,
.page-title h1 {
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.04;
  margin: 0;
  max-width: 820px;
}

.hero p {
  color: #eef5ff;
  font-size: 20px;
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.section {
  margin: 0 auto;
  max-width: 1160px;
  padding: 58px 22px;
}

.section.compact {
  padding-top: 36px;
}

.section h2 {
  font-size: 34px;
  line-height: 1.2;
  margin: 0 0 18px;
}

.section-lead {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 28px;
  max-width: 780px;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.card h3 {
  font-size: 22px;
  line-height: 1.25;
  margin: 0 0 10px;
}

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

.tag {
  background: #e8f7ef;
  border-radius: 999px;
  color: var(--leaf);
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
  padding: 4px 10px;
}

.article-list {
  display: grid;
  gap: 16px;
}

.article-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 6px;
  padding: 22px;
}

.article-item h2,
.article-item h3 {
  font-size: 24px;
  margin: 0;
}

.article-item p {
  color: var(--muted);
  margin: 0;
}

.meta {
  color: #718096;
  font-size: 14px;
}

.page-title {
  background: #101827;
  color: #fff;
}

.page-title-inner {
  margin: 0 auto;
  max-width: 1160px;
  padding: 58px 22px;
}

.page-title p {
  color: #dbe7f6;
  font-size: 19px;
  max-width: 780px;
}

.article-body {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 18px;
  margin: 0 auto;
  max-width: 860px;
  padding: 36px;
}

.article-body h2 {
  font-size: 28px;
  margin-top: 34px;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p,
.article-body li {
  color: #2d3748;
}

.article-body .notice,
.notice {
  background: #fff8e6;
  border: 1px solid #f3d58a;
  border-radius: 8px;
  color: #5f4210;
  padding: 16px 18px;
}

.checklist {
  padding-left: 22px;
}

.price {
  color: var(--brand);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  margin: 12px 0;
}

.site-footer {
  background: #101827;
  color: #d7e1f1;
  margin-top: 42px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1160px;
  padding: 28px 22px;
}

.footer-inner a {
  color: #d7e1f1;
}

.mini-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero-inner {
    min-height: 460px;
    padding-top: 64px;
  }

  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .article-body {
    padding: 24px;
  }
}