/* === nav.css — Header & Navigation === */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

/* === Top Bar === */
.top-bar {
  background-color: var(--color-green-dark);
  padding: 0.5rem 0;
  font-size: var(--text-xs);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.top-bar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.8);
  flex-wrap: wrap;
}

.top-bar__contact a {
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
}

.top-bar__contact a:hover {
  color: var(--color-gold-light);
}

.top-bar__contact .sep {
  opacity: 0.35;
}

.top-bar__social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.top-bar__social a {
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.top-bar__social a:hover {
  color: var(--color-gold-light);
}

/* === Main Nav === */
.main-nav {
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  position: relative; /* needed so ::before positions inside .main-nav */
}

.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
  gap: var(--space-4);
  transition: height var(--transition-base);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__img {
  height: 88px;
  width: auto;
  display: block;
  transition: height var(--transition-base);
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: -0.01em;
  line-height: 1;
}

.logo-accent {
  color: var(--color-gold);
}

/* Nav Links */
.nav-links {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--space-1);
}

.nav-links > li {
  position: relative;
}

.nav-links > li > a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  white-space: nowrap;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.nav-links > li > a:hover,
.nav-links > li.active > a {
  color: var(--color-gold-light);
}

.nav-links > li.has-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: var(--space-1);
  transition: transform var(--transition-fast);
}

.nav-links > li.has-dropdown:hover > a::after {
  transform: rotate(180deg);
}

/* Dropdown toggle button (mobile only, hidden on desktop) */
.dropdown-toggle {
  display: none;
}

/* Dropdown */
.dropdown {
  visibility: hidden;
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 240px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  z-index: 100;
  list-style: none;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  pointer-events: none;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.dropdown li a {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-mid);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.dropdown li a:hover {
  color: var(--color-green);
  background-color: var(--color-cream);
  border-left-color: var(--color-gold);
  padding-left: calc(var(--space-5) + 4px);
}

/* Nav CTA */
.nav-cta {
  background-color: var(--color-gold) !important;
  color: var(--color-white) !important;
  padding: var(--space-2) var(--space-5) !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 500 !important;
  margin-left: var(--space-3) !important;
  transition: background-color var(--transition-fast) !important;
}

.nav-cta:hover {
  background-color: var(--color-gold-dark) !important;
}

/* Hamburger Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Scrolled state — solid dark nav.
   backdrop-filter is applied via ::before so .main-nav itself is NOT a
   containing block for position:fixed children (spec: backdrop-filter
   creates a new containing block, which would break the mobile nav drawer). */
.site-header.scrolled .main-nav {
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.site-header.scrolled .main-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(15, 25, 10, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
}

/* Shrink nav to original compact size on scroll */
.site-header.scrolled .main-nav .container {
  height: 72px;
}

.site-header.scrolled .nav-logo__img {
  height: 64px;
}

/* Mobile menu open — solid nav so X icon reads clearly against dark bg */
@media (max-width: 767px) {
  .main-nav:has(.nav-toggle.is-open) {
    background-color: rgba(15, 25, 10, 0.97);
  }
}

/* === Mobile Nav === */
@media (max-width: 767px) {
  .top-bar__contact .sep,
  .top-bar__contact a:not(:first-child) {
    display: none;
  }

  /* Override transparent-nav colours — drawer has white bg */
  .nav-links > li > a {
    color: var(--color-dark);
    text-shadow: none;
  }

  .nav-links > li > a:hover,
  .nav-links > li.active > a {
    color: var(--color-green);
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4) 0 var(--space-8);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 10000;
  }

  .nav-links.is-open {
    transform: translateX(0);
  }

  .nav-links > li > a {
    display: flex;
    padding: var(--space-4) var(--container-pad);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-border);
    justify-content: space-between;
  }

  .nav-links > li.has-dropdown > a::after {
    display: none;
  }

  .dropdown-toggle {
    display: none;
  }

  .has-dropdown {
    position: static;
  }

  .dropdown {
    position: static;
    display: block;
    visibility: visible;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background-color: var(--color-cream);
    padding: 0;
    opacity: 1;
    transform: none;
    pointer-events: all;
  }

  .dropdown li a {
    padding: var(--space-3) var(--space-8);
    border-left: none;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
  }

  .dropdown li a:hover {
    padding-left: var(--space-8);
  }

  .nav-cta {
    margin: var(--space-4) var(--container-pad) 0 !important;
    text-align: center !important;
    padding: var(--space-4) var(--space-5) !important;
    border-radius: var(--radius-sm) !important;
  }
}

/* === Desktop Nav === */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
  }
}

/* === Footer === */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
  line-height: 1;
}

.footer-logo .logo-accent {
  color: var(--color-gold);
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-gold);
  color: var(--color-white);
}

.footer-nav h3 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-5);
}

.footer-nav ul li {
  margin-bottom: var(--space-3);
}

.footer-nav ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-nav ul li a:hover {
  color: var(--color-gold-light);
}

.footer-contact-info h3 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-5);
}

.footer-contact-info p {
  margin-bottom: var(--space-2);
}

.footer-contact-info a {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-contact-info a:hover {
  color: var(--color-gold-light);
}

.footer-bottom {
  padding: var(--space-6) 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.35);
  font-size: var(--text-xs);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--color-gold-light);
}

/* Site credit — muted, but underlined + arrow so it reads as a link */
.footer-credit {
  margin-top: var(--space-2);
}

.footer-bottom .footer-credit a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-gold) 55%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-bottom .footer-credit a:hover,
.footer-bottom .footer-credit a:focus-visible {
  color: var(--color-gold-light);
  text-decoration-color: var(--color-gold-light);
}

.footer-credit__arrow {
  display: inline-block;
  margin-left: 0.2em;
  font-size: 0.9em;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.footer-credit a:hover .footer-credit__arrow,
.footer-credit a:focus-visible .footer-credit__arrow {
  transform: translate(2px, -2px);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: span 1;
  }
}