:root {
  --wc-blue: #33699A;      /* primary brand blue: alert banner, buttons, chat header */
  --wc-sky: #AEE1EE;       /* accent */
  --wc-mist: #D9F0F3;      /* light tint backgrounds */
  --wc-navy: #0f2a47;
  --text: #1c2733;
  --white: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
}

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

/* ---------- Top bar ---------- */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 6px 32px;
  border-bottom: 1px solid #e3eef1;
}

.logo {
  height: 76px;
  width: auto;
  display: block;
}

.top-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 22px;
  font-size: 15px;
  font-weight: 600;
}

.top-nav a { color: var(--wc-navy); }
.top-nav a:hover { color: var(--wc-blue); }

.login-btn {
  background: var(--wc-blue);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
}

.login-btn:hover { background: var(--wc-navy); }

/* ---------- Alert banner ---------- */
.alert-banner {
  background: var(--wc-blue);
  color: var(--white);
  padding: 14px 32px;
  font-size: 14px;
  line-height: 1.5;
}

.alert-banner strong { display: block; margin-bottom: 2px; }

/* ---------- Hero ---------- */
.hero {
  background: var(--wc-mist);
  color: var(--wc-navy);
  padding: 40px 32px 56px;
}

.breadcrumb {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 20px;
}

.breadcrumb span { margin: 0 6px; }

.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  margin: 0 0 16px;
  border-left: 6px solid var(--wc-blue);
  padding-left: 18px;
}

.hero p {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.6;
  padding-left: 24px;
  margin: 0;
}

/* ---------- Sections ---------- */
.section {
  padding: 48px 32px;
}

.section.tinted { background: var(--wc-mist); }

.section h2 {
  font-size: 22px;
  margin: 0 0 24px;
  color: var(--wc-navy);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.link-card {
  background: var(--white);
  border: 1px solid var(--wc-sky);
  border-radius: 8px;
  padding: 22px;
  font-weight: 600;
  color: var(--wc-navy);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  min-height: 100px;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.link-card:hover {
  border-color: var(--wc-blue);
  box-shadow: 0 4px 14px rgba(51, 105, 154, 0.15);
}

.link-card .arrow { color: var(--wc-blue); font-size: 20px; }

/* ---------- Hub cards ---------- */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.hub-card {
  background: var(--white);
  border-radius: 10px;
  padding: 28px;
  border-top: 4px solid var(--wc-sky);
}

.hub-card h3 {
  margin: 0 0 10px;
  color: var(--wc-navy);
  font-size: 19px;
}

.hub-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #3d4a57;
  margin: 0 0 18px;
}

.hub-card .link-out {
  color: var(--wc-blue);
  font-weight: 700;
  font-size: 14px;
}

/* ---------- Footer ---------- */
footer {
  background: var(--wc-navy);
  color: var(--wc-mist);
  padding: 32px;
  font-size: 13px;
  text-align: center;
}

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
  .top-bar, .alert-banner, .hero, .section { padding-left: 16px; padding-right: 16px; }
  .logo { height: 60px; }
  .hero h1 { font-size: 30px; }
}