/* Global Styles for SCJH Website - Eye-Care Soft Palette */
:root {
  /* 護眼沉穩色系：低刺激、低反差、優雅耐看 */
  --bg-page: #f5f6f8;
  --primary: #2b4c7e;
  --primary-hover: #1f3b64;
  --primary-light: #eef2f7;
  --secondary: #2e7d5a;
  --secondary-light: #eaf4ef;
  --accent: #b46927;
  --accent-light: #faefe4;
  --danger: #b93838;
  --purple: #6943a5;
  --dark: #243342;
  --slate: #475569;
  --gray: #64748b;
  --light-gray: #f8fafc;
  --border: #e2e6eb;
  --border-light: #edf1f5;
  --card-bg: #ffffff;
  --shadow-sm: 0 1px 3px rgba(36, 51, 66, 0.05);
  --shadow-md: 0 3px 6px rgba(36, 51, 66, 0.06), 0 1px 3px rgba(36, 51, 66, 0.04);
  --shadow-lg: 0 8px 16px rgba(36, 51, 66, 0.07);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Microsoft JhengHei", sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--dark);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================= Global Header & Navigation ================= */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(36, 51, 66, 0.04);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-badge {
  background: linear-gradient(135deg, #2b4c7e, #3a629b);
  color: #ffffff;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.2px;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--gray);
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
}

.nav-item a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--slate);
  font-weight: 600;
  font-size: 0.93rem;
  transition: all 0.15s ease;
}

.nav-item a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-item a.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
  padding: 6px;
}

/* ================= Hero Banner ================= */
.hero-banner {
  background: linear-gradient(135deg, #232f3e 0%, #2b3b4e 50%, #34485f 100%);
  color: #f8fafc;
  padding: 42px 0 36px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(35, 47, 62, 0.15);
}

.hero-banner::after {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  padding: 4px 13px;
  border-radius: 20px;
  font-size: 0.83rem;
  font-weight: 600;
  color: #e2e8f0;
  width: fit-content;
}

.hero-title {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.3;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.hero-desc {
  font-size: 1.02rem;
  color: #cbd5e1;
  max-width: 800px;
  line-height: 1.65;
}

/* Countdown Bar */
.countdown-box {
  background: rgba(20, 28, 38, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 15px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 6px;
}

.countdown-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.02rem;
  color: #f1f5f9;
}

.countdown-timer {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.countdown-number {
  font-size: 2.1rem;
  font-weight: 900;
  color: #e29f4f; /* 溫和琥珀金，不刺眼 */
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.countdown-unit {
  font-size: 0.9rem;
  color: #94a3b8;
}

.hero-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.btn-shortcut {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f8fafc;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.2s;
}

.btn-shortcut:hover {
  background: #ffffff;
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-shortcut.highlight {
  background: #c07d32;
  border-color: #a96823;
  color: #ffffff;
  font-weight: 700;
}

.btn-shortcut.highlight:hover {
  background: #d48b3b;
  color: #ffffff;
}

/* ================= Section Layout ================= */
.main-content {
  flex: 1;
  padding: 38px 0 60px;
}

.section-block {
  margin-bottom: 48px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 12px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-subtitle {
  font-size: 0.92rem;
  color: var(--gray);
  margin-top: 4px;
}

.section-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.section-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ================= Footer ================= */
.site-footer {
  background: #1e293b;
  color: #94a3b8;
  padding: 40px 0 24px;
  margin-top: auto;
  font-size: 0.88rem;
  border-top: 1px solid #334155;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 28px;
}

.footer-col h4 {
  color: #f1f5f9;
  font-size: 1rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.footer-col p {
  line-height: 1.65;
  margin-bottom: 10px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #cbd5e1;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 18px;
  text-align: center;
  font-size: 0.82rem;
  color: #64748b;
}

/* ================= Responsive ================= */
@media (max-width: 900px) {
  .hero-title {
    font-size: 1.7rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.show {
    display: flex;
  }
  .nav-item {
    width: 100%;
  }
  .nav-item a {
    width: 100%;
    padding: 11px 16px;
  }
  .countdown-box {
    flex-direction: column;
    align-items: flex-start;
  }
}