/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
h1, h2, h3, h4, h5, h6 { font-weight: 900; letter-spacing: -0.02em; line-height: 1.2; }
:focus-visible { outline: 3px solid #D4AF37; outline-offset: 2px; }

/* ===== CSS VARIABLES ===== */
:root {
  --clr-primary: #0A562B;
  --clr-primary-dark: #063A1D;
  --clr-primary-light: #1E8C4A;
  --clr-gold: #D4AF37;
  --clr-gold-light: #E8D488;
  --clr-bg: #F5F5F0;
  --clr-bg-dark: #E0E0D8;
  --clr-text: #1A1A1A;
  --clr-text-secondary: #4A4A4A;
  --clr-border: #D4AF37;
  --clr-focus: #D4AF37;
  --clr-error: #C0392B;
  --font-heading: system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'SFMono-Regular', 'Consolas', monospace;
  --body-size: 1rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --max-width: 1200px;
  --header-width: 240px;
  --border-thick: 4px;
  --shadow-strong: 8px 8px 0 rgba(10, 86, 43, 0.25);
  --shadow-hover: 12px 12px 0 rgba(10, 86, 43, 0.3);
  --transition: 0.25s ease;
}

/* ===== BASE TYPOGRAPHY ===== */
body {
  font-family: var(--font-body);
  font-size: var(--body-size);
  font-weight: 400;
  color: var(--clr-text);
  background: var(--clr-bg);
  letter-spacing: 0;
}

h1 { font-size: 3.5rem; font-family: var(--font-heading); }
h2 { font-size: 2.25rem; font-family: var(--font-heading); }
h3 { font-size: 1.5rem; font-family: var(--font-heading); }
h4 { font-size: 1.25rem; font-family: var(--font-heading); }
h5 { font-size: 1.1rem; font-family: var(--font-heading); }
h6 { font-size: 1rem; font-family: var(--font-heading); }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 10000;
  background: var(--clr-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  font-weight: 700;
  border: 2px solid var(--clr-gold);
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space-sm);
}

/* ===== SITE HEADER (SIDE TRACK) ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--header-width);
  height: 100vh;
  background: var(--clr-primary);
  border-right: var(--border-thick) solid var(--clr-gold);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-md);
  box-shadow: 4px 0 0 rgba(0,0,0,0.08);
}

.site-header__brand {
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--clr-gold);
  padding-bottom: var(--space-lg);
}

.site-header__logo {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  color: #fff;
  text-transform: uppercase;
  line-height: 1.1;
  transition: color var(--transition);
}
.site-header__logo:hover { color: var(--clr-gold-light); }

.site-header__tagline {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--clr-gold-light);
  margin-top: var(--space-sm);
  letter-spacing: 0.05em;
  line-height: 1.4;
}

/* ===== NAV TOGGLE (mobile) ===== */
.site-header__toggle {
  display: none;
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid var(--clr-gold);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  z-index: 1100;
  transition: background var(--transition);
}
.site-header__toggle:hover { background: rgba(212, 175, 55, 0.15); }
.toggle__bar {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--clr-gold);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}
.site-header__toggle[aria-expanded="true"] .toggle__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.site-header__toggle[aria-expanded="true"] .toggle__bar:nth-child(2) { opacity: 0; }
.site-header__toggle[aria-expanded="true"] .toggle__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== SITE NAV ===== */
.site-nav {
  flex: 1;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-nav__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  border: 2px solid transparent;
  transition: all var(--transition);
  position: relative;
}
.site-nav__link:hover {
  color: #fff;
  border-color: var(--clr-gold);
  background: rgba(212, 175, 55, 0.1);
}
.site-nav__link[aria-current="page"] {
  color: var(--clr-text);
  background: var(--clr-gold);
  border-color: var(--clr-gold);
  font-weight: 900;
  box-shadow: var(--shadow-strong);
}

/* ===== MAIN CONTENT AREA ===== */
#main-content {
  margin-left: var(--header-width);
  min-height: 100vh;
  padding: var(--space-xl) var(--space-lg);
  position: relative;
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== GRID ===== */
.grid { display: grid; gap: var(--space-lg); }
.grid--2 { grid-template-columns: 1fr 1fr; }
.grid--3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 768px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}

/* ===== CARD ===== */
.card {
  background: #fff;
  border: var(--border-thick) solid var(--clr-primary);
  padding: var(--space-lg);
  box-shadow: var(--shadow-strong);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--clr-gold);
}
.card__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--clr-primary);
}
.card__text { color: var(--clr-text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* ===== BUTTON ===== */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  border: var(--border-thick) solid var(--clr-primary);
  background: var(--clr-primary);
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 4px 4px 0 rgba(10, 86, 43, 0.2);
}
.btn:hover {
  background: var(--clr-gold);
  border-color: var(--clr-gold);
  color: var(--clr-text);
  box-shadow: 6px 6px 0 rgba(10, 86, 43, 0.3);
  transform: translate(-2px, -2px);
}
.btn--outline {
  background: transparent;
  color: var(--clr-primary);
}
.btn--outline:hover {
  background: var(--clr-gold);
  color: var(--clr-text);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--clr-bg-dark);
}
.breadcrumb a { color: var(--clr-primary); font-weight: 600; transition: color var(--transition); }
.breadcrumb a:hover { color: var(--clr-gold); }
.breadcrumb__sep { color: var(--clr-gold); font-weight: 700; margin: 0 var(--space-xs); }

/* ===== REVEAL (scroll animation) ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1023px) {
  .site-header {
    position: relative;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-right: none;
    border-bottom: var(--border-thick) solid var(--clr-gold);
    box-shadow: 0 4px 0 rgba(0,0,0,0.06);
  }
  .site-header__brand {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
    flex: 1;
  }
  .site-header__logo { font-size: 1.4rem; }
  .site-header__tagline { display: none; }
  .site-header__toggle { display: flex; position: relative; top: auto; right: auto; }

  .site-nav {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100vh;
    background: var(--clr-primary-dark);
    border-right: var(--border-thick) solid var(--clr-gold);
    padding: var(--space-xl) var(--space-md) var(--space-lg);
    transition: left 0.35s ease;
    z-index: 1050;
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
  }
  .site-nav[data-open] { left: 0; }
  .site-nav__list { gap: var(--space-xs); }
  .site-nav__link { font-size: 1.1rem; padding: var(--space-sm) var(--space-md); }

  #main-content {
    margin-left: 0;
    padding: var(--space-lg) var(--space-md);
  }

  /* overlay when nav open */
  body.nav-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1040;
  }
}

@media (max-width: 480px) {
  .site-header__logo { font-size: 1.15rem; }
  .site-header { padding: var(--space-sm) var(--space-sm); }
  #main-content { padding: var(--space-md) var(--space-sm); }
  .card { padding: var(--space-md); }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }
  h3 { font-size: 1.2rem; }
  .btn { width: 100%; text-align: center; }
}

/* ===== SITE FOOTER ===== */
.site-footer {
  background: var(--clr-primary-dark);
  color: rgba(255,255,255,0.9);
  border-top: var(--border-thick) solid var(--clr-gold);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  margin-left: var(--header-width);
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--space-xl);
}
.site-footer__logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--clr-gold-light);
  margin-bottom: var(--space-sm);
}
.site-footer__tagline {
  font-size: 0.85rem;
  color: var(--clr-gold-light);
  margin-bottom: var(--space-md);
  letter-spacing: 0.03em;
}
.site-footer__trust {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  max-width: 36em;
}
.site-footer__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-gold);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-links__list { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-links__list a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  transition: color var(--transition), padding-left var(--transition);
  padding-left: 0;
}
.footer-links__list a:hover { color: var(--clr-gold); padding-left: 4px; }
.contact__item { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: var(--space-xs); }
.contact__item a { color: var(--clr-gold-light); transition: color var(--transition); }
.contact__item a:hover { color: var(--clr-gold); }
.site-footer__note {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  margin-top: var(--space-md);
  line-height: 1.5;
  border-left: 3px solid var(--clr-gold);
  padding-left: var(--space-sm);
}
.site-footer__icp {
  grid-column: 1 / -1;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(212, 175, 55, 0.25);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

@media (max-width: 1023px) {
  .site-footer { margin-left: 0; padding: var(--space-xl) var(--space-md) var(--space-md); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-lg); }
  .site-footer__icp { margin-top: var(--space-lg); }
}