* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  background: #f4f7fa;
  color: #173d66;
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

/* =========================
   SITE HEADER
   ========================= */

.site-header {
  background: linear-gradient(90deg, #0d4c80, #123d69);
  color: white;
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  min-height: 78px;
  padding: 13px 22px;

  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.brand {
  font-size: 2rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -1px;
  text-decoration: none;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}

.desktop-nav a {
  text-decoration: none;
}

.desktop-nav a:hover {
  text-decoration: underline;
}

.header-tagline {
  justify-self: end;
  text-align: right;
  font-size: 0.85rem;
  line-height: 1.25;
  font-style: italic;
}

.mobile-menu-icon {
  display: none;
  font-size: 2rem;
}

/* =========================
   HERO / MASTHEAD
   ========================= */

.hero {
  position: relative;
  min-height: 310px;

  display: flex;
  align-items: flex-end;

  background:
    linear-gradient(
      90deg,
      rgba(7, 31, 52, 0.15),
      rgba(7, 31, 52, 0.02)
    ),
    url("/weather/images/masthead.png");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 38px 24px;
}

.hero-copy {
  max-width: 700px;
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,.6);
}

.hero-call {
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: .95;
  font-weight: 800;
  letter-spacing: -2px;
}

.hero-location {
  margin-top: 8px;
  font-size: 1.35rem;
  font-weight: 700;
}

.hero-intro {
  margin-top: 16px;
  max-width: 650px;
  font-size: 1.05rem;
  line-height: 1.5;
}

/* =========================
   CONTENT
   ========================= */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.section-heading {
  margin: 0 0 16px;
  padding: 11px 16px;

  background: linear-gradient(90deg, #153f6d, #0f345b);
  color: white;

  border-radius: 10px;

  font-size: 1.35rem;
  font-weight: 800;
}

.intro-panel {
  margin-bottom: 24px;
  padding: 22px;

  background: white;
  border: 1px solid #dbe6f1;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(20,55,90,.06);
}

.intro-panel h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  color: #123d69;
}

.intro-panel p {
  margin: 0;
  color: #526b82;
  line-height: 1.55;
}

/* =========================
   FEATURE CARDS
   ========================= */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.feature-card {
  min-height: 205px;

  display: flex;
  flex-direction: column;

  background: white;
  border: 1px solid #dbe6f1;
  border-radius: 12px;
  overflow: hidden;

  box-shadow: 0 3px 10px rgba(20,55,90,.06);
}

.card-top {
  padding: 13px 15px;

  background: linear-gradient(90deg, #153f6d, #0f345b);
  color: white;

  font-size: 1.08rem;
  font-weight: 800;
}

.card-body {
  flex: 1;
  padding: 16px;
}

.card-body p {
  margin: 0 0 16px;
  line-height: 1.45;
  color: #526b82;
}

.card-link {
  margin-top: auto;
  align-self: flex-start;

  display: inline-block;
  padding: 8px 13px;

  background: #2fa64f;
  color: white;

  border-radius: 7px;

  font-size: .88rem;
  font-weight: 800;
  text-decoration: none;
}

.card-link:hover {
  filter: brightness(.95);
}

.card-link.secondary {
  background: #e8eef5;
  color: #173d66;
}

/* =========================
   STATUS STRIP
   ========================= */

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  margin-bottom: 28px;

  background: white;
  border: 1px solid #dbe6f1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(20,55,90,.06);
}

.status-item {
  padding: 16px;
  text-align: center;
}

.status-item + .status-item {
  border-left: 1px solid #dbe6f1;
}

.status-label {
  font-size: .78rem;
  color: #71859a;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.status-value {
  margin-top: 5px;
  font-size: 1.05rem;
  font-weight: 800;
  color: #173d66;
}

/* =========================
   FOOTER
   ========================= */

.site-footer {
  margin-top: 18px;
  padding: 25px 20px 35px;

  text-align: center;
  color: #71859a;
  font-size: .85rem;
}

/* =========================
   MOBILE
   ========================= */

@media (max-width: 700px) {

  .header-inner {
    min-height: 76px;
    padding: 12px 18px;

    grid-template-columns: 1fr auto;
    gap: 8px;
  }

  .brand {
    font-size: 2rem;
  }

  .desktop-nav,
  .header-tagline {
    display: none;
  }

  .mobile-menu-icon {
    display: block;
  }

  .mobile-nav-line {
    grid-column: 1 / -1;

    display: block;

    margin-top: 2px;

    white-space: nowrap;
    font-size: .78rem;
    font-weight: 500;
  }

  .hero {
    min-height: 210px;
  }

  .hero-inner {
    padding: 22px 18px;
  }

  .hero-call {
    font-size: 2.75rem;
    letter-spacing: -1px;
  }

  .hero-location {
    font-size: 1.08rem;
  }

  .hero-intro {
    display: none;
  }

  main {
    padding: 14px 18px 24px;
  }

  .intro-panel {
    padding: 17px;
    margin-bottom: 18px;
  }

  .intro-panel h1 {
    font-size: 1.45rem;
  }

  .section-heading {
    margin-bottom: 10px;
    padding: 9px 13px;
    font-size: 1.08rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 18px;
  }

  .feature-card {
    min-height: 0;
  }

  .card-top {
    padding: 10px 13px;
  }

  .card-body {
    padding: 13px;
  }

  .card-body p {
    margin-bottom: 12px;
  }

  .status-strip {
    grid-template-columns: 1fr;
  }

  .status-item + .status-item {
    border-left: 0;
    border-top: 1px solid #dbe6f1;
  }
}

@media (min-width: 701px) {
  .mobile-nav-line {
    display: none;
  }
}