/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 2px solid #FFD700; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }

/* ===== CSS Variables ===== */
:root {
  --color-gold: #FFD700;
  --color-gold-dark: #DAA520;
  --color-crimson: #8B0000;
  --color-bg-dark: #2F2F2F;
  --color-bg-darker: #1F1F1F;
  --color-white: #FFFFFF;
  --color-gray-light: #B0B0B0;
  --color-gray-mid: #6B6B6B;
  --color-teal: #004D4D;
  --color-indigo: #4B0082;
  --font-heading: 'Montserrat Black', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Open Sans', 'Noto Sans SC', sans-serif;
  --font-numeric: 'Fira Code', 'Courier New', monospace;
  --header-height: 72px;
  --max-width: 1280px;
  --gap: 24px;
  --radius: 4px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Skip Link ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--color-gold);
  color: var(--color-bg-dark);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  clip: rect(1px,1px,1px,1px);
  overflow: hidden;
  white-space: nowrap;
}
.skip-link:focus {
  top: 0;
  clip: auto;
  overflow: visible;
  white-space: normal;
}

/* ===== Progress Bar ===== */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-crimson));
  z-index: 9998;
  transition: width 0.1s linear;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .progress-bar { display: none; }
}

/* ===== Site Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-dark);
  border-bottom: 2px solid var(--color-gold-dark);
  box-shadow: 0 2px 16px rgba(0,0,0,0.6);
  font-family: var(--font-body);
}
.header-inner {
  display: flex;
  align-items: stretch;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  min-height: var(--header-height);
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  position: relative;
  flex-shrink: 0;
}
.brand__track {
  width: 4px;
  height: 48px;
  background: linear-gradient(180deg, var(--color-gold), var(--color-crimson));
  border-radius: 2px;
  flex-shrink: 0;
}
.brand__content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-gold);
  letter-spacing: 0.04em;
  line-height: 1.1;
  white-space: nowrap;
}
.brand__tagline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-gray-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.quick-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 20px;
  padding-left: 20px;
  border-left: 1px solid var(--color-gold-dark);
}
.quick-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-gray-light);
  padding: 4px 12px;
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: default;
}
.quick-link:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
  border-color: var(--color-gold);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  align-self: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius);
  padding: 8px;
  transition: border-color var(--transition);
}
.nav-toggle:hover { border-color: var(--color-gold); }
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}
.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: block;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-gold);
  background: rgba(255,215,0,0.08);
}
.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}
.nav-link[aria-current="page"] {
  color: var(--color-gold);
  background: rgba(139,0,0,0.25);
}
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--color-crimson);
  height: 3px;
}

/* ===== Mobile Nav ===== */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0 12px;
    min-height: 60px;
    align-items: center;
  }
  .brand {
    padding: 8px 0;
    gap: 10px;
  }
  .brand__track { height: 36px; }
  .brand__logo { font-size: 1.2rem; }
  .brand__tagline { font-size: 0.65rem; }
  .quick-links { display: none; }
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    width: 100%;
    order: 99;
    margin-left: 0;
    border-top: 1px solid var(--color-gold-dark);
    padding: 12px 0;
    background: var(--color-bg-darker);
  }
  .site-nav[data-open] { display: block; }
  .nav-list {
    flex-direction: column;
    gap: 2px;
  }
  .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
    width: 100%;
    text-align: left;
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] {
    background: var(--color-crimson);
    color: var(--color-gold);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .nav-link { font-size: 0.8rem; padding: 6px 10px; }
  .brand__logo { font-size: 1.3rem; }
  .quick-links { margin-left: 12px; padding-left: 12px; }
  .quick-link { font-size: 0.7rem; padding: 2px 8px; }
}

/* ===== Site Footer ===== */
.site-footer {
  background: var(--color-bg-darker);
  border-top: 3px solid var(--color-gold-dark);
  font-family: var(--font-body);
  color: var(--color-white);
  padding: 48px 0 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap) 32px var(--gap);
}
.footer-column { display: flex; flex-direction: column; gap: 16px; }
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-brand__logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}
.footer-brand__tagline {
  font-size: 0.8rem;
  color: var(--color-gray-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-trust {
  font-size: 0.85rem;
  color: var(--color-gray-light);
  line-height: 1.6;
  max-width: 360px;
}
.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
  position: relative;
  padding-bottom: 8px;
}
.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-crimson);
}
.footer-contact-list,
.footer-policy-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-link {
  font-size: 0.85rem;
  color: var(--color-gray-light);
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--color-gold);
  padding-left: 4px;
}
.footer-text {
  font-size: 0.85rem;
  color: var(--color-gray-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255,215,0,0.15);
  padding: 16px var(--gap);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-icp {
  font-size: 0.75rem;
  color: var(--color-gray-mid);
  font-family: var(--font-numeric);
}
.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-gray-mid);
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 0 16px 24px 16px;
  }
  .footer-trust { max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; padding: 12px 16px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-column--brand { grid-column: 1 / -1; }
}

/* ===== Shared Components ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  letter-spacing: 0.02em;
  text-align: center;
}
.btn--gold {
  background: var(--color-gold);
  color: var(--color-bg-dark);
  border-color: var(--color-gold);
}
.btn--gold:hover,
.btn--gold:focus-visible {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  box-shadow: 0 0 20px rgba(255,215,0,0.3);
}
.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold-dark);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  background: rgba(255,215,0,0.1);
  border-color: var(--color-gold);
}

.card {
  background: var(--color-bg-dark);
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 6px 28px rgba(0,0,0,0.5);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-white);
  border-radius: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag--crimson { background: var(--color-crimson); }
.tag--teal { background: var(--color-teal); }
.tag--gold { background: var(--color-gold-dark); color: var(--color-bg-dark); }

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-gold);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 12px;
  letter-spacing: 0.02em;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-crimson));
  transform: skewX(-20deg);
}

.numeric {
  font-family: var(--font-numeric);
  font-weight: 500;
  color: var(--color-gold-dark);
  letter-spacing: 0.02em;
}

/* ===== Utility ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* ===== Focus & Accessibility ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* ===== Selection ===== */
::selection {
  background: var(--color-gold);
  color: var(--color-bg-dark);
}