:root {
  --color-navy: #1B365D;
  --color-green: #2D6A4F;
  --color-gold: #D9A036;
  --color-bg: #FAF8F5;
  --color-card-bg: #FFFFFF;
  --color-text: #2C3E50;
  --color-text-muted: #5A6B7C;
  --color-border: #E2E8F0;
  --max-width: 820px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  padding: 1.5rem 1rem;
}

/* Central Card Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-card-bg);
  border-radius: 12px;
  padding: 2rem 2.25rem;
  box-shadow: 0 4px 20px rgba(27, 54, 93, 0.05);
  border: 1px solid rgba(27, 54, 93, 0.08);
}

/* Header & Branding */
header {
  text-align: center;
  margin-bottom: 1.25rem;
}

.logo {
  width: 125px;
  height: auto;
  display: block;
  margin: 0 auto 0.75rem auto;
}

h1 {
  color: var(--color-navy);
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.tagline {
  color: var(--color-green);
  font-size: 1.1rem;
  font-weight: 500;
  max-width: 580px;
  margin: 0 auto;
}

/* Navigation Bar */
.main-nav {
  margin-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 0;
}

.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-navy);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.main-nav a:hover {
  color: var(--color-green);
  background-color: var(--color-bg);
}

.main-nav a.active {
  color: var(--color-navy);
  background-color: var(--color-bg);
  border-bottom: 2px solid var(--color-gold);
  border-radius: 6px 6px 0 0;
}

/* Visual Banner Container */
.banner-container {
  margin: 1.75rem 0 2rem 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.banner-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Typography & Content Sections */
section {
  margin-bottom: 2rem;
}

h2 {
  color: var(--color-navy);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  border-bottom: 2px solid var(--color-bg);
  padding-bottom: 0.3rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-text);
  font-size: 1.025rem;
}

ul.feature-list {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 1rem;
}

ul.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--color-text);
  font-size: 1.025rem;
}

ul.feature-list li::before {
  content: "•";
  color: var(--color-gold);
  font-weight: bold;
  font-size: 1.4rem;
  position: absolute;
  left: 0.2rem;
  top: -0.15rem;
}

.inline-link {
  color: var(--color-navy);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.inline-link:hover {
  color: var(--color-green);
}

/* Footer & Bluesky Social Link */
footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.social-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background-color: var(--color-bg-alt, #f3f4f6);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text, #111827);
  white-space: nowrap; /* Prevents text and SVG icon from splitting */
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.social-link:hover {
  background-color: #e5e7eb;
  border-color: #d1d5db;
}

.social-link svg {
  flex-shrink: 0; /* Ensures SVGs maintain exact dimensions */
}

.bluesky-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-navy);
  text-decoration: none;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
  margin-top: 0.5rem;
}

.bluesky-link:hover {
  border-color: var(--color-navy);
  background-color: #FFFFFF;
}

.bluesky-icon {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  display: inline-block;
  vertical-align: middle;
  overflow: visible;
}

/* Responsive Scaling for Tablets and Mobile */
@media (max-width: 640px) {
  body {
    padding: 0.5rem;
  }

  .container {
    padding: 1.25rem 1rem;
    border-radius: 8px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .tagline {
    font-size: 0.98rem;
  }

  .logo {
    width: 105px;
  }

  .main-nav ul {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .main-nav a {
    font-size: 0.9rem;
    padding: 0.3rem 0.5rem;
  }
}