@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --navy-dark: #0f3460;
  --navy-medium: #16213e;
  --navy-light: #1a1a2e;
  --gold: #c9a96e;
  --gold-light: #d4b97e;
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--navy-light);
  color: #ffffff;
  margin: 0;
  overflow-x: hidden;
}

/* ========== HAMBURGER MENU ========== */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.nav-bar.scrolled {
  background: rgba(15, 52, 96, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.nav-logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold);
  text-decoration: none;
  text-transform: uppercase;
}

.hamburger {
  width: 36px;
  height: 24px;
  cursor: pointer;
  position: relative;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  position: absolute;
  left: 0;
  transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; width: 65%; margin-left: auto; right: 0; left: auto; }
.hamburger span:nth-child(3) { top: 22px; }

.hamburger.active span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.hamburger.active span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
}

/* Full-screen overlay menu */
.menu-overlay {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-light) 100%);
  z-index: 150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.menu-overlay.open {
  right: 0;
}

.menu-overlay a {
  font-size: 32px;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  padding: 16px 0;
  transition: all 0.3s ease;
  transform: translateX(60px);
  opacity: 0;
  letter-spacing: 2px;
}

.menu-overlay.open a {
  transform: translateX(0);
  opacity: 1;
}

.menu-overlay a:nth-child(1) { transition-delay: 0.1s; }
.menu-overlay a:nth-child(2) { transition-delay: 0.15s; }
.menu-overlay a:nth-child(3) { transition-delay: 0.2s; }
.menu-overlay a:nth-child(4) { transition-delay: 0.25s; }
.menu-overlay a:nth-child(5) { transition-delay: 0.3s; }
.menu-overlay a:nth-child(6) { transition-delay: 0.35s; }

.menu-overlay a:hover {
  color: var(--gold);
  letter-spacing: 6px;
}

.menu-overlay a.active-link {
  color: var(--gold);
}

.menu-overlay .menu-footer {
  position: absolute;
  bottom: 40px;
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ========== COMMON ELEMENTS ========== */
.section-badge {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .section-title { font-size: 44px; }
}

.section-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 640px;
}

.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 20px 0;
}

.gold-line-center {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 20px auto;
}

/* Stat cards */
.stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--gold);
  background: rgba(201,169,110,0.05);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-top: 8px;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  background: var(--navy-dark);
  color: var(--gold);
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.8);
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.data-table .highlight td {
  background: rgba(201,169,110,0.08);
  color: #fff;
  font-weight: 600;
}

.data-table .total td {
  background: var(--navy-dark);
  color: var(--gold);
  font-weight: 700;
}

/* Callout */
.callout-box {
  background: rgba(201,169,110,0.06);
  border-left: 3px solid var(--gold);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

/* Source citation */
.source-cite {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  margin-top: 8px;
}

/* CTA Button */
.btn-gold {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-dark);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 16px 40px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,169,110,0.3);
}

.btn-outline {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 36px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: var(--gold);
  color: var(--navy-dark);
}

/* Rendering images */
.rendering-img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* Page sections */
.page-section {
  padding: 80px 0;
}

.page-section-alt {
  padding: 80px 0;
  background: var(--navy-medium);
}

/* Footer */
.site-footer {
  background: var(--navy-dark);
  padding: 40px 0;
  text-align: center;
}

.site-footer p {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  margin: 4px 0;
}

/* Fade-in animation */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Grid helpers */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container { padding: 0 32px; }
}