:root {
  --bg-main: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #19243d;
  --border-color: rgba(99, 102, 241, 0.2);
  --border-glow: rgba(99, 102, 241, 0.4);
  --primary-magic: #818cf8;
  --accent-gold: #fbbf24;
  --accent-green: #34d399;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}

.egg-icon {
  font-size: 1.8rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 1px;
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--primary-magic);
}

.top-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: #fff;
  border-color: var(--border-color);
  background: rgba(99, 102, 241, 0.1);
}

/* Main Content */
.main-content {
  flex: 1;
  max-width: 950px;
  width: 100%;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Hero Section */
.hero-section {
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15), rgba(19, 27, 46, 0.95));
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.badge-tag {
  display: inline-block;
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-magic);
  border: 1px solid var(--border-glow);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* Quick Facts Grid */
.quick-facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.fact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.2rem 1rem;
  text-align: center;
}

.fact-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.fact-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}
.text-magic { color: var(--primary-magic); }
.text-gold { color: var(--accent-gold); }
.text-green { color: var(--accent-green); }

/* Content Blocks */
.content-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 2.2rem 2rem;
}

.section-badge {
  color: var(--primary-magic);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.content-block h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.content-block p {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 1.25rem;
}

.guide-callout-box {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.guide-callout-box h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.step-list {
  padding-left: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--text-muted);
}

.step-list strong {
  color: #fff;
}

/* Data Table */
.table-responsive {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th, .data-table td {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.data-table th {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-magic);
  font-weight: 700;
}

.data-table td strong {
  color: #fff;
}

/* Info Card */
.info-card {
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: 10px;
  padding: 1.4rem;
}

.info-card h3 {
  color: var(--accent-green);
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.info-card ul {
  padding-left: 1.4rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.info-card strong {
  color: #fff;
}

/* Tips Grid */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.tip-box {
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.4rem;
}

.tip-box h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.tip-box p {
  font-size: 0.88rem;
  margin-bottom: 0;
}

/* Calculator Card */
.interactive-card {
  background: linear-gradient(180deg, var(--bg-card), rgba(99, 102, 241, 0.08));
  border-color: var(--border-glow);
}

.calc-form {
  max-width: 500px;
  margin: 1.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-magic);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.calc-btn {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.4rem;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.calc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.calc-output {
  background: rgba(11, 15, 25, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--accent-gold);
  font-weight: 600;
}

/* Warnings */
.warning-alert {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  color: #fde68a;
  font-size: 0.92rem;
  line-height: 1.6;
}

.warning-alert strong {
  color: #fff;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 0.98rem;
  color: #fff;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--primary-magic);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: #070a12;
  padding: 2.5rem 1.5rem;
  margin-top: auto;
}

.footer-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.disclaimer-text {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.copyright-sub {
  font-size: 0.72rem;
  color: var(--primary-magic);
  letter-spacing: 1px;
}

/* Breadcrumbs */
.breadcrumbs-nav {
  padding: 0.75rem 0 0.5rem 0;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumbs-nav a {
  color: var(--primary-magic);
  text-decoration: none;
  font-weight: 600;
}

.breadcrumbs-nav a:hover {
  text-decoration: underline;
}

.breadcrumbs-nav .sep {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.breadcrumbs-nav .current {
  color: var(--text-muted);
}

/* AI Direct Answer Quick Box */
.geo-direct-answer {
  background: rgba(129, 140, 248, 0.08);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.geo-direct-answer h3 {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--primary-magic);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.geo-direct-answer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-main);
}

.geo-direct-answer li strong {
  color: #fff;
}

/* Related Guides Hub Grid */
.hub-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.hub-card {
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hub-card:hover {
  border-color: var(--primary-magic);
  transform: translateY(-2px);
}

.hub-card h4 {
  font-size: 1.05rem;
  color: #fff;
  font-weight: 700;
}

.hub-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.hub-card .hub-link-text {
  font-size: 0.82rem;
  color: var(--primary-magic);
  font-weight: 700;
  margin-top: auto;
}