/* ==========================================================================
   ELEVATED ROOFING PARTNERS — nav.css
   Navigation and Footer Styles
   Light Theme — Accessible for 45+ ICP, with Coverage Area City Dropdown
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. NAVIGATION — BASE
   Desktop nav shown at 1280px+ (more room for expanded link set)
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-reduced-motion: no-preference) {
  .nav { transition: background-color var(--transition-base), box-shadow var(--transition-base); }
}

.nav.scrolled {
  background-color: var(--color-white);
  box-shadow: 0 2px 20px rgba(21, 21, 23, 0.08);
}

.nav--solid { background-color: var(--color-white); }

.nav__container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   2. LOGO
   -------------------------------------------------------------------------- */
.nav-logo-img {
  display: block;
  height: 38px;
  width: auto;
}

@media (min-width: 768px) { .nav-logo-img { height: 42px; } }

.logo-placeholder { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; flex-shrink: 0; }
.logo-icon { color: var(--color-gold); font-size: 1.6rem; line-height: 1; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-primary { font-family: var(--font-heading); font-weight: var(--font-weight-extrabold); font-size: var(--text-base); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-primary); }
.logo-sub { font-family: var(--font-body); font-weight: var(--font-weight-regular); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-muted); margin-top: 2px; }

/* --------------------------------------------------------------------------
   3. DESKTOP NAVIGATION LINKS
   -------------------------------------------------------------------------- */
.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Show desktop nav at 1280px — gives room for all 9 links */
@media (min-width: 1280px) {
  .nav__links { display: flex; }
}

.nav__link {
  position: relative;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-2) 0;
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .nav__link { transition: color var(--transition-fast); }
  .nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-base);
  }
  .nav__link:hover::after,
  .nav__link.active::after { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .nav__link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background-color: var(--color-gold); }
  .nav__link.active::after { width: 100%; }
}

.nav__link:hover  { color: var(--color-gold); }
.nav__link.active { color: var(--color-gold); }

/* Dropdown trigger */
.nav__item--dropdown { position: relative; }

.nav__dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  min-width: 260px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-gold);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--space-3) 0;
  opacity: 0;
  pointer-events: none;
  z-index: var(--z-above);
  list-style: none;
  margin: 0;
  box-shadow: var(--shadow-md);
}

/* Hover bridge */
.nav__dropdown::before {
  content: '';
  position: absolute;
  top: calc(-1 * var(--space-2) - 4px);
  left: 0;
  right: 0;
  height: calc(var(--space-2) + 4px);
  background: transparent;
}

@media (prefers-reduced-motion: no-preference) {
  .nav__dropdown { transition: opacity var(--transition-base), transform var(--transition-base); transform: translateX(-50%) translateY(-8px); }
  .nav__item--dropdown:hover .nav__dropdown,
  .nav__item--dropdown:focus-within .nav__dropdown { opacity: 1; pointer-events: all; transform: translateX(-50%) translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .nav__item--dropdown:hover .nav__dropdown,
  .nav__item--dropdown:focus-within .nav__dropdown { opacity: 1; pointer-events: all; }
}

/* Dropdown separator line */
.nav__separator {
  margin: 0.5rem 0;
  border-top: 1px solid var(--color-border);
}

.nav__dropdown-link {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .nav__dropdown-link { transition: color var(--transition-fast), padding-left var(--transition-fast), background-color var(--transition-fast); }
}

.nav__dropdown-link:hover {
  color: var(--color-gold);
  padding-left: var(--space-6);
  background-color: rgba(197, 160, 89, 0.06);
}

/* Wide dropdown for cities (more items) */
.nav__dropdown--cities {
  min-width: 180px;
}

/* Flyout submenu (Materials) */
.nav__dropdown-flyout {
  position: relative;
}

/* Chevron arrow on Materials link */
.nav__dropdown-flyout > .nav__dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__dropdown-flyout > .nav__dropdown-link::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  margin-left: var(--space-3);
  flex-shrink: 0;
}

.nav__flyout {
  display: none;
  position: absolute;
  top: -1px;
  left: calc(100% + 1px);
  min-width: 220px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-3) 0;
  z-index: 9999;
  list-style: none;
  margin: 0;
  box-shadow: var(--shadow-md);
}

.nav__dropdown-flyout:hover > .nav__flyout {
  display: block;
}

.nav__flyout-link {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .nav__flyout-link {
    transition: color var(--transition-fast),
                padding-left var(--transition-fast),
                background-color var(--transition-fast);
  }
}

.nav__flyout-link:hover {
  color: var(--color-gold);
  padding-left: var(--space-6);
  background-color: rgba(197, 160, 89, 0.06);
}

/* Mobile materials sub-links */
.nav__mobile-submenu-link--indent {
  padding-left: calc(var(--space-6) + var(--space-4));
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   4. NAV CTA BUTTON
   -------------------------------------------------------------------------- */
.nav__cta { display: flex; align-items: center; gap: var(--space-4); flex-shrink: 0; }
@media (max-width: 1279px) { .nav__cta { display: none; } }

/* --------------------------------------------------------------------------
   5. HAMBURGER BUTTON (Mobile)
   -------------------------------------------------------------------------- */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

@media (min-width: 1280px) { .nav__hamburger { display: none; } }

.nav__hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .nav__hamburger-line { transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base); }
  .nav__hamburger.is-open .nav__hamburger-line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  .nav__hamburger.is-open .nav__hamburger-line:nth-child(2) { opacity: 0; width: 0; }
  .nav__hamburger.is-open .nav__hamburger-line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
}

@media (prefers-reduced-motion: reduce) {
  .nav__hamburger.is-open .nav__hamburger-line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  .nav__hamburger.is-open .nav__hamburger-line:nth-child(2) { opacity: 0; }
  .nav__hamburger.is-open .nav__hamburger-line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
}

/* --------------------------------------------------------------------------
   6. MOBILE MENU OVERLAY
   -------------------------------------------------------------------------- */
.nav__mobile-menu {
  position: fixed;
  inset: 0;
  background-color: var(--color-white);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  opacity: 0;
  pointer-events: none;
  padding: calc(var(--nav-height) + var(--space-6)) var(--container-padding) var(--space-8);
  overflow: hidden auto;
}

@media (prefers-reduced-motion: no-preference) {
  .nav__mobile-menu { transition: opacity var(--transition-base); }
}

.nav__mobile-menu.is-open { opacity: 1; pointer-events: all; }

.nav__mobile-links { display: flex; flex-direction: column; gap: 0; list-style: none; padding: 0; width: 100%; }

.nav__mobile-menu.is-drilled .nav__mobile-links,
.nav__mobile-menu.is-drilled .nav__mobile-cta {
  display: none;
}

.nav__mobile-link {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-extrabold);
  font-size: var(--text-xl);
  text-transform: uppercase;
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}

@media (prefers-reduced-motion: no-preference) { .nav__mobile-link { transition: color var(--transition-fast); } }
.nav__mobile-link:hover,
.nav__mobile-link.active { color: var(--color-gold); }

/* Mobile submenu (drill-down panel) */
.nav__mobile-submenu {
  display: none;
  flex-direction: column;
  gap: 0;
  width: 100%;
  overflow-y: auto;
}

.nav__mobile-submenu.is-drilled {
  display: flex;
}

.nav__mobile-submenu-link {
  display: block;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile-submenu-link:hover { color: var(--color-gold); background-color: rgba(197, 160, 89, 0.06); }

/* Drill-down: right chevron on dropdown triggers */
.nav__mobile-link--dropdown {
  display: flex;
  align-items: center;
}

.nav__mobile-link--dropdown::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  margin-left: auto;
  flex-shrink: 0;
}

/* Drill-down: back button (injected by JS) */
.nav__mobile-back {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.nav__mobile-back::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.nav__mobile-back:hover,
.nav__mobile-back:focus-visible {
  color: var(--color-gold);
}

.nav__mobile-back:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
}

/* Drill-down: "View All [Category]" parent link (injected by JS) */
.nav__mobile-submenu-parent {
  display: block;
  padding: var(--space-4) 0;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-extrabold);
  font-size: var(--text-xl);
  text-transform: uppercase;
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile-submenu-parent:hover {
  color: var(--color-gold);
}

.nav__mobile-cta { margin-top: var(--space-8); width: 100%; }
.nav__mobile-cta .btn { width: 100%; text-align: center; }

/* --------------------------------------------------------------------------
   7. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-charcoal);
  border-top: 3px solid var(--color-gold);
}

.footer__main { padding: var(--space-20) 0 var(--space-12); }

.footer__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-12); }
@media (min-width: 768px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-10); } }

/* Column 1 — Logo + Tagline + Social */
.footer__brand { display: flex; flex-direction: column; gap: var(--space-5); }
.footer__tagline { font-size: var(--text-base); color: rgba(244, 244, 240, 0.60); line-height: 1.65; max-width: 280px; }

.footer__social{ display: flex; gap: var(--space-3); }
.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: rgba(244, 244, 240, 0.60);
  font-size: var(--text-sm);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) { .footer__social-link { transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast); } }
.footer__social-link svg { width: 18px; height: 18px; fill: currentColor; }
.footer__social-link:hover { border-color: var(--color-gold); color: var(--color-gold); background-color: rgba(197, 160, 89, 0.10); }

/* Footer columns */
.footer__col-heading { font-family: var(--font-heading); font-weight: var(--font-weight-extrabold); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: var(--tracking-eyebrow); color: var(--color-gold); margin-bottom: var(--space-5); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); list-style: none; padding: 0; }
.footer__link { font-size: var(--text-base); color: rgba(244, 244, 240, 0.65); text-decoration: none; }
@media (prefers-reduced-motion: no-preference) { .footer__link { transition: color var(--transition-fast); } }
.footer__link:hover { color: var(--color-gold); }

/* Contact column */
.footer__contact-items { display: flex; flex-direction: column; gap: var(--space-4); }
.footer__contact-item { display: flex; flex-direction: column; gap: var(--space-1); }
.footer__contact-label { font-family: var(--font-heading); font-weight: var(--font-weight-extrabold); font-size: 0.65rem; text-transform: uppercase; letter-spacing: var(--tracking-eyebrow); color: rgba(244, 244, 240, 0.45); }
.footer__contact-value { font-size: var(--text-base); color: rgba(244, 244, 240, 0.85); }
.footer__contact-value a { color: rgba(244, 244, 240, 0.85); text-decoration: none; }
@media (prefers-reduced-motion: no-preference) { .footer__contact-value a { transition: color var(--transition-fast); } }
.footer__contact-value a:hover { color: var(--color-gold); }

/* --------------------------------------------------------------------------
   8. FOOTER BOTTOM BAR
   -------------------------------------------------------------------------- */
.footer__bottom { background-color: var(--color-charcoal-dk); border-top: 1px solid rgba(255,255,255,0.07); padding: var(--space-5) 0; }

.footer__bottom-inner { display: flex; flex-direction: column; gap: var(--space-3); align-items: center; text-align: center; }
@media (min-width: 768px) { .footer__bottom-inner { flex-direction: row; justify-content: space-between; text-align: left; } }

.footer__legal { font-size: var(--text-sm); color: rgba(244, 244, 240, 0.40); line-height: 1.6; }
.footer__bottom-links { display: flex; gap: var(--space-6); }
.footer__bottom-link { font-size: var(--text-sm); color: rgba(244, 244, 240, 0.40); text-decoration: none; }
@media (prefers-reduced-motion: no-preference) { .footer__bottom-link { transition: color var(--transition-fast); } }
.footer__bottom-link:hover { color: var(--color-gold); }

/* ==========================================================================
   9. DARK NAV THEME (.header--dark)
   Charcoal background, gold bottom border,
   gold links with pill hover, dark dropdowns
   ========================================================================== */

/* --- Nav bar: dark background + gold bottom border --- */
.header--dark .nav {
  background-color: var(--color-charcoal);
  border-bottom: 3px solid var(--color-gold);
}

.header--dark .nav.scrolled {
  background-color: var(--color-charcoal);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

/* --- Desktop links: gold text, pill hover --- */
.header--dark .nav__link {
  color: var(--color-gold);
  padding: 6px 14px;
  border-radius: 6px;
}

.header--dark .nav__link::after { display: none; }

.header--dark .nav__link:hover,
.header--dark .nav__link.active {
  color: #F4F4F0;
  background-color: rgba(197, 160, 89, 0.12);
}

/* --- Phone number --- */
.header--dark .nav__phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-sm);
  color: #F4F4F0;
  text-decoration: none;
  margin-right: 0;
  transition: color 0.2s ease;
}

@media (min-width: 1280px) {
  .header--dark .nav__cta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
  }
}

/* nav__cta visible on all screen sizes */

.header--dark .nav__phone svg { color: var(--color-gold); }
.header--dark .nav__phone:hover { color: var(--color-gold); }

/* Prominent phone variant — bolder, larger, gold */
.header--dark .nav__phone.nav__phone--prominent {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}
.header--dark .nav__phone.nav__phone--prominent:hover { color: #F4F4F0; }

/* --- Dropdowns: dark charcoal bg --- */
.header--dark .nav__dropdown {
  background-color: var(--color-charcoal);
  border: 1px solid rgba(197, 160, 89, 0.15);
  border-top: 3px solid var(--color-gold);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.header--dark .nav__dropdown-link {
  color: rgba(244, 244, 240, 0.75);
}

.header--dark .nav__dropdown-link:hover {
  color: var(--color-gold);
  background-color: rgba(197, 160, 89, 0.08);
}

.header--dark .nav__separator {
  border-top-color: rgba(197, 160, 89, 0.15);
}

/* --- Flyout submenu (Materials): dark bg --- */
.header--dark .nav__flyout {
  background-color: var(--color-charcoal);
  border: 1px solid rgba(197, 160, 89, 0.15);
  border-left: 3px solid var(--color-gold);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.header--dark .nav__flyout-link {
  color: rgba(244, 244, 240, 0.75);
}

.header--dark .nav__flyout-link:hover {
  color: var(--color-gold);
  background-color: rgba(197, 160, 89, 0.08);
}

/* --- Hamburger: white lines --- */
.header--dark .nav__hamburger-line {
  background-color: #F4F4F0;
}

/* --- Mobile menu: dark theme --- */
.header--dark .nav__mobile-menu {
  background-color: var(--color-charcoal);
}

.header--dark .nav__mobile-link {
  color: var(--color-gold);
  border-bottom-color: rgba(197, 160, 89, 0.12);
}

.header--dark .nav__mobile-link:hover,
.header--dark .nav__mobile-link.active {
  color: #F4F4F0;
}

.header--dark .nav__mobile-submenu {
  background-color: transparent;
}

.header--dark .nav__mobile-back {
  color: rgba(244, 244, 240, 0.6);
  border-bottom-color: rgba(197, 160, 89, 0.12);
}

.header--dark .nav__mobile-back:hover,
.header--dark .nav__mobile-back:focus-visible {
  color: var(--color-gold);
}

.header--dark .nav__mobile-submenu-parent {
  color: var(--color-gold);
  border-bottom-color: rgba(197, 160, 89, 0.12);
}

.header--dark .nav__mobile-submenu-parent:hover {
  color: #F4F4F0;
}

.header--dark .nav__mobile-submenu-link {
  color: rgba(244, 244, 240, 0.75);
  border-bottom-color: rgba(197, 160, 89, 0.12);
}

.header--dark .nav__mobile-submenu-link:hover {
  color: var(--color-gold);
  background-color: rgba(197, 160, 89, 0.06);
}

.header--dark .nav__mobile-submenu-link--indent {
  color: rgba(244, 244, 240, 0.45);
}

.header--dark .nav__mobile-submenu-link--indent:hover {
  color: var(--color-gold);
}

/* Focus indicators for dropdown navigation */
.nav__dropdown-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
  background-color: rgba(197, 160, 89, 0.1);
}

/* Extra-small phone padding */
@media (max-width: 375px) {
  .nav__mobile-menu {
    padding-left: var(--space-3, 12px);
    padding-right: var(--space-3, 12px);
  }
}