/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #f8f9fa;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER / NAV ===== */
header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f2744;
  letter-spacing: 0.5px;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 0.5rem;
}

nav a {
  text-decoration: none;
  color: #374151;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

nav a:hover {
  background: #f1f5f9;
  color: #0f2744;
}

nav a.active {
  background: #0f2744;
  color: #ffffff;
}

/* ===== MAIN CONTENT ===== */
main {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
  width: 100%;
}

h1 {
  font-size: 1.85rem;
  color: #0f2744;
  margin-bottom: 1.75rem;
  font-weight: 700;
}

.content p {
  margin-bottom: 1.4rem;
  font-size: 1.05rem;
  color: #374151;
  max-width: 65ch;
}

/* ===== CONTACT PAGE ===== */
.contact-box {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 2.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.contact-box p {
  margin-bottom: 1.25rem;
}

.email-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: #0f2744;
  text-decoration: none;
  border-bottom: 2px solid #0f2744;
  padding-bottom: 2px;
}

.email-link:hover {
  color: #1e40af;
  border-color: #1e40af;
}

/* ===== CLOCKS PAGE ===== */
.clocks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.clock-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.75rem 1.25rem;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.clock-card h2 {
  font-size: 1.1rem;
  color: #0f2744;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.clock-face {
  width: 160px;
  height: 160px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 6px solid #0f2744;
  position: relative;
  background: #f8fafc;
}

.clock-face::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: #0f2744;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform-origin: bottom center;
  background: #0f2744;
  border-radius: 4px;
}

.hour-hand {
  width: 5px;
  height: 40px;
  margin-left: -2.5px;
}

.minute-hand {
  width: 3.5px;
  height: 55px;
  margin-left: -1.75px;
  background: #1e40af;
}

.second-hand {
  width: 2px;
  height: 60px;
  margin-left: -1px;
  background: #dc2626;
}

.digital-time {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1f2937;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.5px;
}

/* ===== FOOTER ===== */
footer {
  background: #0f2744;
  color: #e2e8f0;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  margin-top: auto;
}

footer p {
  margin: 0.25rem 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .nav-container {
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
    gap: 0.75rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  main {
    padding: 2.5rem 1.25rem;
  }

  h1 {
    font-size: 1.55rem;
  }
}