:root {
  --bg: #f3f7f7;
  --surface: #ffffff;
  --surface-strong: #f8fbfb;
  --ink: #193435;
  --ink-soft: #50696a;
  --brand: #009b8a;
  --brand-dark: #0f2b2b;
  --accent: #5b5ea6;
  --line: #d7e6e6;
  --success: #0f8a62;
  --warning: #b86b00;
  --shadow: 0 18px 48px rgba(15, 43, 43, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(0, 155, 138, 0.09), transparent 25%),
    radial-gradient(circle at top right, rgba(91, 94, 166, 0.12), transparent 30%),
    linear-gradient(180deg, #f8fbfb 0%, #eef5f5 100%);
}

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

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

.site-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(248, 251, 251, 0.86);
  border-bottom: 1px solid rgba(15, 43, 43, 0.08);
}

.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 140px;
  max-height: 40px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.brand-subtitle {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--brand-dark);
  background: rgba(0, 155, 138, 0.11);
}

.print-btn {
  border: 0;
  background: var(--brand-dark);
  color: #ffffff;
  border-radius: 999px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.print-btn:hover {
  background: #173838;
}

.page-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.hero {
  background:
    linear-gradient(135deg, rgba(15, 43, 43, 0.98), rgba(0, 155, 138, 0.95)),
    linear-gradient(135deg, rgba(91, 94, 166, 0.25), transparent);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -40px -90px auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero h1 {
  margin: 18px 0 14px;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.04;
}

.hero p {
  max-width: 720px;
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-link,
.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
}

.hero-link {
  background: #ffffff;
  color: var(--brand-dark);
}

.ghost-link {
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #ffffff;
}

.section-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.9fr;
  gap: 26px;
  margin-top: 28px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.card,
.panel,
.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
}

.card h3,
.panel h2,
.step-card h3,
.guide-body h2,
.guide-body h3 {
  font-family: "Sora", "Segoe UI", sans-serif;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.card p,
.card li,
.panel p,
.panel li,
.guide-body p,
.guide-body li {
  color: var(--ink-soft);
  line-height: 1.72;
}

.card-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 800;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(0, 155, 138, 0.09);
  color: var(--brand-dark);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel {
  padding: 24px;
}

.panel h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.35rem;
}

.panel ul,
.guide-body ul,
.guide-body ol {
  margin: 0;
  padding-left: 20px;
}

.notice {
  margin-top: 22px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 155, 138, 0.1), rgba(91, 94, 166, 0.08));
  border: 1px solid rgba(0, 155, 138, 0.18);
}

.notice strong {
  display: block;
  margin-bottom: 6px;
  color: var(--brand-dark);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.metric {
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.metric-label {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
}

.metric-value {
  display: block;
  margin-top: 6px;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--brand-dark);
}

.guide-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
}

.guide-nav {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: 18px;
}

.guide-nav h2 {
  margin: 0 0 14px;
  font-size: 0.96rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.guide-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--ink-soft);
  font-weight: 700;
}

.guide-nav a:hover {
  background: rgba(0, 155, 138, 0.08);
  color: var(--brand-dark);
}

.guide-body {
  display: grid;
  gap: 20px;
}

.step-card {
  padding: 26px;
}

.step-card h2,
.step-card h3 {
  margin-top: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.checklist {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.check-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.check-item b {
  color: var(--brand-dark);
}

.step-card ol {
  margin-top: 16px;
}

.callout {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 5px solid var(--brand);
  border-radius: 14px;
  background: rgba(0, 155, 138, 0.08);
}

.callout.warning {
  border-left-color: var(--warning);
  background: rgba(184, 107, 0, 0.1);
}

.split-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.mini-card {
  padding: 18px;
  border-radius: 16px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.mini-card h4 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.footer-card {
  padding: 24px;
}

.footer-card p {
  margin: 0;
}

.inline-link {
  color: var(--brand);
  font-weight: 800;
}

@media (max-width: 980px) {
  .section-grid,
  .guide-layout,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .guide-nav {
    position: static;
  }

  .metrics,
  .split-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar-inner,
  .page-wrap,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero,
  .panel,
  .step-card,
  .card {
    padding: 22px;
  }

  .brand-copy {
    display: none;
  }

  .topnav {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-link,
  .ghost-link,
  .print-btn {
    width: 100%;
  }
}

@media print {
  body {
    background: #ffffff;
  }

  .topbar,
  .print-btn,
  .guide-nav,
  .hero-actions {
    display: none !important;
  }

  .page-wrap,
  .footer {
    max-width: none;
    padding: 0;
  }

  .hero,
  .panel,
  .card,
  .step-card {
    box-shadow: none;
    border: 1px solid #d0d7d7;
  }
}