:root {
  color-scheme: light;
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-strong: #eef4ff;
  --ink: #102033;
  --muted: #5d6b7c;
  --line: #dce5ef;
  --brand: #1769e0;
  --brand-dark: #0c4294;
  --accent: #16a085;
  --shadow: 0 18px 48px rgba(22, 48, 88, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 16px 22px;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-size: 19px;
  font-weight: 800;
  gap: 10px;
  letter-spacing: 0;
}

.brand::before {
  background: #fff url("favicons/favicon48.png") center / 24px 24px no-repeat;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(23, 105, 224, 0.14);
  content: "";
  display: inline-block;
  height: 34px;
  width: 34px;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}
.nav-links .button {
  color: #fff;
}

.button {
  align-items: center;
  background: var(--brand);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-weight: 750;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  text-decoration: none;
}

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

.button.secondary {
  background: #eaf2ff;
  color: var(--brand-dark);
}

.hero {
  background:
    linear-gradient(120deg, rgba(8, 29, 57, 0.9), rgba(18, 87, 169, 0.82)),
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1800&q=80") center / cover;
  color: #fff;
}

.hero-inner {
  margin: 0 auto;
  max-width: 1120px;
  padding: 88px 22px 104px;
}

.eyebrow {
  color: #bfe0ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(40px, 7vw, 76px);
  letter-spacing: 0;
  line-height: 0.98;
  margin: 16px 0 22px;
  max-width: 880px;
}

.hero p,
.page-hero p {
  font-size: 19px;
  margin: 0 0 30px;
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.section {
  margin: 0 auto;
  max-width: 1120px;
  padding: 58px 22px;
}

.section h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  margin: 0 0 14px;
}

.section-intro {
  color: var(--muted);
  font-size: 17px;
  margin: 0 0 28px;
  max-width: 760px;
}

.feature-grid,
.host-grid,
.keyword-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature,
.host-card,
.keyword-card,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(17, 39, 70, 0.05);
  padding: 22px;
}

.feature h3,
.host-card h3,
.keyword-card h3,
.panel h3 {
  font-size: 20px;
  line-height: 1.25;
  margin: 0 0 8px;
}

.feature p,
.host-card p,
.keyword-card p,
.panel p {
  color: var(--muted);
  margin: 0;
}

.host-card {
  min-height: 154px;
}

.host-card strong {
  color: var(--accent);
  display: block;
  font-size: 13px;
  margin-top: 12px;
  text-transform: uppercase;
}

.page-hero {
  background: linear-gradient(130deg, #0c2340, #1559b7 58%, #17a589);
  color: #fff;
}

.page-hero .section {
  padding-bottom: 76px;
  padding-top: 72px;
}

.breadcrumb {
  color: #c7ddf7;
  font-size: 14px;
  font-weight: 700;
}

.content {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-top: -44px;
  padding: 34px;
}

.content h2 {
  font-size: 30px;
  margin-top: 0;
}

.content p,
.content li {
  color: #37475a;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
  margin: 26px 0;
}

.step {
  background: var(--surface-strong);
  border-radius: 8px;
  padding: 18px 18px 18px 56px;
  position: relative;
}

.step::before {
  align-items: center;
  background: var(--brand);
  border-radius: 999px;
  color: #fff;
  content: counter(step);
  counter-increment: step;
  display: flex;
  font-weight: 800;
  height: 28px;
  justify-content: center;
  left: 18px;
  position: absolute;
  top: 18px;
  width: 28px;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.faq-list details {
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
}

.faq-list summary {
  color: var(--ink);
  cursor: pointer;
  font-weight: 750;
}

.faq-list p {
  margin: 10px 0 0;
}

.cta-band {
  background: #0d2238;
  color: #fff;
}

.cta-band .section {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.cta-band p {
  color: #c6d5e5;
  margin: 6px 0 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  padding: 28px 22px;
  text-align: center;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-inner {
    padding: 64px 22px 78px;
  }

  .content {
    padding: 24px;
  }

  .cta-band .section {
    align-items: flex-start;
    flex-direction: column;
  }
}