/* ===========================
   Pluribus Polaris JV — Styles
   =========================== */

/* Skip link */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 0;
  background: #0A598F;
  color: #fff;
  padding: 12px 20px;
  font-weight: 600;
  z-index: 200;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #111;
  background: #fff;
  line-height: 1.6;
  font-size: 16px;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: #0A598F;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  background: #0A598F;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.main-nav a:hover,
.main-nav a:focus {
  text-decoration: none;
  border-bottom-color: #BE1E2C;
}

.main-nav a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
  border-radius: 2px;
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, #0A598F 0%, #074068 100%);
  color: #fff;
  padding: 100px 0 90px;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto 36px;
  opacity: 0.92;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.btn-primary {
  background: #BE1E2C;
  color: #fff;
}

.btn-primary:hover {
  background: #a51926;
}

/* ---- Sections ---- */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #f7f8fa;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #0A598F;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: #BE1E2C;
  margin: 12px auto 0;
  border-radius: 2px;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  color: #222;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-card {
  background: #0A598F;
  color: #fff;
  border-radius: 6px;
  padding: 20px 24px;
  text-align: center;
}

.highlight-number {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.highlight-label {
  font-size: 0.85rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Capabilities ---- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.capability-card {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.capability-card:hover {
  box-shadow: 0 4px 16px rgba(10, 89, 143, 0.1);
  border-color: #0A598F;
}

.capability-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
  line-height: 1;
}

.capability-card h3 {
  font-size: 1.1rem;
  color: #0A598F;
  margin-bottom: 10px;
  font-weight: 600;
}

.capability-card p {
  font-size: 0.93rem;
  color: #444;
  line-height: 1.6;
}

/* ---- Polaris GWAC ---- */
.gwac-intro {
  font-size: 1.05rem;
  color: #333;
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  line-height: 1.7;
}

.gwac-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.gwac-column-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #0A598F;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e2e5ea;
}

.gwac-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid #e2e5ea;
}

.gwac-item strong {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #0A598F;
}

.gwac-item span,
.gwac-item a {
  color: #222;
  font-size: 0.95rem;
}

.gwac-item a:hover {
  color: #0A598F;
}

.gwac-epeat {
  background: #f7f8fa;
  border-left: 4px solid #0A598F;
  border-radius: 0 6px 6px 0;
  padding: 24px 28px;
}

.gwac-epeat h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #0A598F;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.gwac-epeat p {
  font-size: 0.95rem;
  color: #333;
  line-height: 1.7;
}

/* ---- Contact ---- */
.contact-container {
  max-width: 700px;
  text-align: center;
}

.contact-intro {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-item strong {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #0A598F;
}

.contact-item a,
.contact-item span {
  color: #222;
  font-size: 0.95rem;
}

.contact-item a:hover {
  color: #0A598F;
}

/* ---- Footer ---- */
.site-footer {
  background: #111;
  color: #aaa;
  padding: 28px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-highlights {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .highlight-card {
    flex: 1;
    min-width: 140px;
  }

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

  .gwac-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .section {
    padding: 56px 0;
  }

  .main-nav {
    gap: 18px;
  }

  .main-nav a {
    font-size: 0.85rem;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .contact-details {
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }

  .header-inner {
    height: 60px;
  }

  .logo {
    height: 36px;
  }
}