:root {
  --font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #111827;
  --color-muted: #6b7280;
  --color-border: #dbe2ea;
  --color-ink: #111827;
  --color-ink-hover: #1f2937;
  --color-primary: #155e75;
  --color-primary-hover: #0f4f62;
  --color-primary-soft: #e6f2f6;
  --color-hero-top: #eef3ff;
  --color-hero-bottom: #f8f9fa;

  --shadow-soft: 0 0.75rem 1.5rem rgba(17, 24, 39, 0.16);
  --shadow-card: 0 0.75rem 1.75rem rgba(17, 24, 39, 0.08);
}

body {
  padding-top: 5rem;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
}

a {
  color: var(--color-primary);
}

a:hover,
a:focus {
  color: var(--color-primary-hover);
}
.starter-template {
  padding: 3rem 1.5rem;
  text-align: center;
}

.site-navbar {
  background: rgba(17, 24, 39, 0.92);
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 20px rgba(17, 24, 39, 0.2);
}

.site-navbar .navbar-brand {
  letter-spacing: 0.01em;
}

.site-navbar .nav-link {
  color: rgba(255, 255, 255, 0.86);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  margin-left: 0.2rem;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus {
  background-color: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  transform: translateY(-1px);
}

.site-navbar .nav-link.active {
  background-color: var(--color-primary);
  color: #ffffff;
}

.home-hero {
  background: linear-gradient(180deg, var(--color-hero-top) 0%, var(--color-hero-bottom) 78%);
}

.page-hero {
  background: linear-gradient(180deg, var(--color-hero-top) 0%, rgba(248, 249, 250, 0.92) 100%);
}

.tracking-wide {
  letter-spacing: 0.08em;
}

.btn-ui {
  border-radius: 0.65rem;
  font-weight: 600;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-ui:hover,
.btn-ui:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #ffffff;
}

.btn-dark {
  background-color: var(--color-ink);
  border-color: var(--color-ink);
  color: #ffffff;
}

.btn-dark:hover,
.btn-dark:focus {
  background-color: var(--color-ink-hover);
  border-color: var(--color-ink-hover);
  color: #ffffff;
}

.btn-outline-dark {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn-outline-dark:hover,
.btn-outline-dark:focus {
  background-color: var(--color-ink);
  border-color: var(--color-ink);
  color: #ffffff;
}

.btn-outline-secondary {
  border-color: #8ea1b2;
  color: #334155;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background-color: #f1f5f9;
  border-color: #64748b;
  color: #1f2937;
}

.bg-primary {
  background-color: var(--color-primary) !important;
}

.project-card {
  border-radius: 0.9rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 1.2rem 2rem rgba(17, 24, 39, 0.12);
}

.contact-section {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-hero-top) 100%);
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
}

.policy-content h2 {
  color: var(--color-ink-hover);
}

.contact-list a {
  word-break: break-word;
}

/* Tool page shared intro pattern */
.coords-page {
  background: linear-gradient(180deg, var(--color-hero-top) 0%, var(--color-bg) 100%);
}

.coords-intro {
  max-width: 52rem;
}

/* Timer display */
.timer-display {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: bold;
  min-width: 140px;
  display: inline-block;
}

.coord-results-table {
  font-family: var(--font-mono);
}

/* Current CP row highlight */
tr.cp-current {
  border-left: 4px solid var(--color-primary);
}

/* Footer styling */
#footer {
  padding: 1.5rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer-inner {
  width: min(100% - 2rem, 960px);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.25rem;
}

#footer a {
  color: #475569;
  text-decoration: none;
}

#footer a:hover,
#footer a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

@media (max-width: 767.98px) {
  .site-navbar .nav-link {
    margin-left: 0;
    margin-top: 0.3rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
  }
}