/* ==========================================================
   header.css — Swami Constructions & PMC
   Styles for sticky header + dark glass mega-menu overlay
   ========================================================== */

/* ── Site Header (Sticky Nav) — Dark Glassmorphic ── */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(10,10,18,0.42);
  backdrop-filter:blur(6px) saturate(160%);
  -webkit-backdrop-filter:blur(6px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 2px 24px rgba(0,0,0,0.28);
  transform:translateY(0);
  transition:background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.site-header.scrolled{
  background:rgba(8,10,16,0.65);
  box-shadow:0 4px 28px rgba(0,0,0,0.38);
  border-bottom-color:rgba(255,255,255,0.1);
}

.header-inner{
  max-width:1200px;margin:0 auto;padding:0 36px;
  height:var(--hdr-h, 78px);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}

/* Logo shared classes */
.site-logo{display:inline-flex;align-items:center;gap:9px}
.site-logo-img{height:60px;width:auto;object-fit:contain;flex-shrink:0}
.logo-triangle{flex-shrink:0}
.logo-wordmark{display:flex;flex-direction:column;line-height:1;gap:2px}
.logo-name{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-size:21px;font-weight:600;
  color:#F58220;letter-spacing:.02em;
}
.logo-group{
  font-family:'Fustat',sans-serif;
  font-size:7px;font-weight:400;
  color:rgba(255,255,255,0.72);letter-spacing:.22em;text-transform:uppercase;
}

/* ── Main Nav Links & Dropdowns ── */
.hdr-nav {
  display: flex;
  align-items: center;
  margin: 0 auto;
}

.hdr-nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hdr-nav-item {
  position: relative;
}

.hdr-nav-link,
.hdr-nav-link span,
.site-header .hdr-nav-link,
.site-header .hdr-nav-link span,
.site-header a.hdr-nav-link,
.site-header button.hdr-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  font-family: 'Fustat', sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85) !important;
  text-decoration: none;
  transition: color 0.25s ease;
  cursor: pointer;
  background: transparent;
  border: none;
  line-height: 1;
}

.hdr-nav-link:hover,
.hdr-nav-link:hover span,
.hdr-nav-item.is-open .hdr-nav-link,
.hdr-nav-item.is-open .hdr-nav-link span,
.hdr-nav-item:hover .hdr-nav-link,
.hdr-nav-item:hover .hdr-nav-link span,
.site-header .hdr-nav-link:hover,
.site-header .hdr-nav-link:hover span,
.site-header .hdr-nav-item.is-open .hdr-nav-link,
.site-header .hdr-nav-item.is-open .hdr-nav-link span {
  color: #F58220 !important;
}

.hdr-caret,
.site-header .hdr-caret {
  transition: transform 0.25s ease, color 0.25s ease;
  color: rgba(255, 255, 255, 0.5) !important;
  flex-shrink: 0;
}

.hdr-nav-link:hover .hdr-caret,
.hdr-nav-item.is-open .hdr-caret,
.hdr-nav-item:hover .hdr-caret,
.site-header .hdr-nav-link:hover .hdr-caret,
.site-header .hdr-nav-item.is-open .hdr-caret,
.site-header .hdr-nav-item:hover .hdr-caret {
  color: #F58220 !important;
  transform: rotate(180deg);
}

/* Invisible bridge so hover state persists when moving cursor to dropdown */
.hdr-nav-item.hdr-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -10px;
  right: -10px;
  height: 16px;
}

/* Dropdown Menu Container */
.hdr-dropdown-menu,
.site-header .hdr-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 250px;
  background: rgba(12, 14, 22, 0.96);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 12px 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(245, 130, 32, 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s ease;
  z-index: 1050;
}

/* Triangle caret top decorator */
.hdr-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: rgba(12, 14, 22, 0.96);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* Hover & Open state triggers */
.hdr-nav-item.hdr-dropdown:hover .hdr-dropdown-menu,
.hdr-nav-item.hdr-dropdown.is-open .hdr-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

/* Mega/Wide Dropdown for Our Projects */
.hdr-dropdown-menu.hdr-dropdown-mega {
  min-width: 440px;
  padding: 18px 16px;
  display: flex;
  gap: 16px;
}

.hdr-dropdown-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hdr-dropdown-heading,
.site-header .hdr-dropdown-heading {
  display: block;
  font-family: 'Cinzel', 'Cormorant Garamond', Georgia, serif;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #F58220 !important;
  margin-bottom: 8px;
  padding: 0 10px;
}

.hdr-dropdown-divider {
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
  align-self: stretch;
}

.hdr-dropdown-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Individual Dropdown Item */
.hdr-dropdown-item,
.site-header .hdr-dropdown-item,
.site-header a.hdr-dropdown-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  border-radius: 8px;
  font-family: 'Fustat', sans-serif;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85) !important;
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
}

.hdr-item-title,
.site-header .hdr-item-title {
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.92) !important;
}

.hdr-item-sub,
.site-header .hdr-item-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.48) !important;
  line-height: 1.2;
}

.hdr-dropdown-item:hover,
.site-header .hdr-dropdown-item:hover,
.site-header a.hdr-dropdown-item:hover {
  background: rgba(245, 130, 32, 0.12);
  color: #ffffff !important;
  border-left-color: #F58220;
  padding-left: 15px;
}

.hdr-dropdown-item:hover .hdr-item-title,
.site-header .hdr-dropdown-item:hover .hdr-item-title {
  color: #ffffff !important;
}

.hdr-dropdown-item:hover .hdr-item-sub,
.site-header .hdr-dropdown-item:hover .hdr-item-sub {
  color: rgba(255, 255, 255, 0.8) !important;
}

.hdr-dropdown-item--highlight,
.site-header .hdr-dropdown-item--highlight {
  background: rgba(245, 130, 32, 0.14);
  border: 1px solid rgba(245, 130, 32, 0.3);
  margin-top: 6px;
}

.hdr-dropdown-item--highlight .hdr-item-title,
.site-header .hdr-dropdown-item--highlight .hdr-item-title {
  color: #F58220 !important;
}

.hdr-dropdown-item--highlight:hover,
.site-header .hdr-dropdown-item--highlight:hover {
  background: #F58220;
  color: #ffffff !important;
  border-color: #F58220;
}

.hdr-dropdown-item--highlight:hover .hdr-item-title,
.hdr-dropdown-item--highlight:hover .hdr-item-sub,
.site-header .hdr-dropdown-item--highlight:hover .hdr-item-title,
.site-header .hdr-dropdown-item--highlight:hover .hdr-item-sub {
  color: #ffffff !important;
}

/* Mobile Accordion Heading Styling in Mega Menu Overlay */
.mega-accordion-toggle {
  background: transparent;
  border: none;
  padding: 0;
  cursor: default;
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mega-accordion-toggle .mega-caret {
  display: none;
  color: #F58220;
  transition: transform 0.25s ease;
}

/* Header Right */
.header-right{display:flex;align-items:center;gap:10px}

.hdr-enquire-btn{
  display:inline-block;padding:7px 20px;
  border:1px solid rgba(255,255,255,0.45);color:#ffffff;
  font-size:13px;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;
  transition:background var(--dur),color var(--dur),border-color var(--dur);
}
.hdr-enquire-btn:hover{background:var(--gold);color:#fff !important;border-color:var(--gold)}

.hdr-circle-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.28);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.82);
  transition:border-color var(--dur),color var(--dur);
}
.hdr-circle-btn:hover{border-color:var(--gold);color:var(--gold)}

/* Hamburger */
.hamburger-icon{
  display:flex;flex-direction:column;gap:4.5px;width:16px;
}
.hamburger-icon span{
  display:block;height:1.5px;background:rgba(255,255,255,0.9);
  transition:transform .3s,opacity .3s;transform-origin:center;
}
.hdr-menu-btn.active .hamburger-icon span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hdr-menu-btn.active .hamburger-icon span:nth-child(2){opacity:0}
.hdr-menu-btn.active .hamburger-icon span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ══════════════════════════════════════════════════════════
   MEGA MENU OVERLAY — Dark Glassmorphic Full-Width Panel
   ══════════════════════════════════════════════════════════ */

.mega-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: 1000;

  /* Dark glass */
  background: rgba(10, 12, 18, 0.88);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);

  /* Hidden by default */
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mega-overlay.show {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* Central container */
.mega-container {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 36px 36px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-sizing: border-box;
}

/* ── Top bar: search pill + close button ── */
.mega-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
  flex-shrink: 0;
}

.mega-search-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 40px;
  padding: 10px 22px;
  width: 320px;
  max-width: 100%;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.mega-search-wrap:focus-within {
  border-color: rgba(245, 130, 32, 0.6);
  background: rgba(255, 255, 255, 0.10);
}

.mega-search-icon {
  color: rgba(255, 255, 255, 0.45);
  flex-shrink: 0;
}

.mega-search {
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-family: 'Fustat', sans-serif;
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: 0.03em;
  width: 100%;
}

.mega-search::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

/* Close button — circular outlined */
.mega-close {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.mega-close:hover {
  border-color: #F58220;
  color: #F58220;
  background: rgba(245, 130, 32, 0.1);
  transform: scale(1.05);
}

/* ── Column layout ── */
.mega-columns {
  display: grid;
  grid-template-columns: 1fr 1px 1fr 1px 1fr;
  align-items: stretch;
  width: 100%;
  padding: 56px 0;
  flex: 1;
}

.mega-col {
  display: flex;
  flex-direction: column;
}

.mega-col:nth-child(1) {
  padding-right: 48px;
}

.mega-col:nth-child(3) {
  padding: 0 48px;
}

.mega-col:nth-child(5) {
  padding-left: 48px;
}

/* Vertical divider between columns */
.mega-divider {
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

/* Column heading — Cormorant Garamond / Cinzel */
.mega-col-heading {
  display: block;
  font-family: 'Cinzel', 'Cormorant Garamond', Georgia, serif;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #F58220;
  margin-bottom: 28px;

  /* Stagger animation start state */
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mega-col-heading.in {
  opacity: 1;
  transform: translateY(0);
}

.mega-col-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mega-col-links li {
  width: 100%;
}

/* Individual link */
.mega-link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-family: 'Fustat', sans-serif;
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  position: relative;

  /* Stagger animation start state */
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.22s ease;
}

.mega-col-links li:last-child .mega-link {
  border-bottom: none;
}

.mega-link.in {
  opacity: 1;
  transform: translateY(0);
}

.mega-link:hover {
  color: #ffffff;
}

/* Orange underline slide-in on hover */
.mega-link::after {
  content: '';
  position: absolute;
  bottom: 12px;
  left: 0;
  width: 0;
  height: 1px;
  background: #F58220;
  transition: width 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.mega-link:hover::after {
  width: 100%;
}

/* Small ordinal number prefix */
.mega-link-num {
  font-family: 'Fustat', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.3);
  transition: color 0.22s ease;
  flex-shrink: 0;
  line-height: 1;
  min-width: 22px;
}

.mega-link:hover .mega-link-num {
  color: #F58220;
}

/* ── Bottom bar ── */
.mega-bottom-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  gap: 20px;
  flex-wrap: wrap;
  width: 100%;
  margin-top: auto;
}

.mega-tagline {
  font-family: 'Cinzel', 'Cormorant Garamond', Georgia, serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

.mega-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Fustat', sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.22s ease;
}

.mega-phone-link:hover {
  color: #F58220;
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .hdr-nav {
    display: none;
  }
}

@media (max-width: 1024px) {
  .header-inner { padding: 0 28px; }
  .mega-container { padding: 28px 28px 32px; }
  .mega-columns { padding: 40px 0 36px; }
  .mega-col:nth-child(1) { padding-right: 28px; }
  .mega-col:nth-child(3) { padding: 0 28px; }
  .mega-col:nth-child(5) { padding-left: 28px; }
  .mega-link { font-size: 20px; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 20px; }
  .hdr-enquire-btn { padding: 6px 14px; font-size: 12px; }
  .mega-container { padding: 24px 20px 28px; }
  .mega-top-bar { padding-bottom: 20px; }
  .mega-search-wrap { width: 100%; min-width: 0; }

  /* Accordion behavior on mobile */
  .mega-accordion-toggle {
    cursor: pointer;
  }
  .mega-accordion-toggle .mega-caret {
    display: block;
  }
  .mega-col.is-expanded .mega-accordion-toggle .mega-caret {
    transform: rotate(180deg);
  }
  .mega-col .mega-col-links {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.3s ease;
  }
  .mega-col.is-expanded .mega-col-links,
  .mega-col:first-child .mega-col-links {
    max-height: 800px;
    opacity: 1;
  }

  /* Stack columns vertically on tablet */
  .mega-columns {
    display: flex;
    flex-direction: column;
    padding: 32px 0 28px;
    gap: 0;
  }
  .mega-col {
    padding: 16px 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .mega-col:last-child { border-bottom: none; }
  .mega-divider { display: none; }
  .mega-col-heading { margin-bottom: 12px; }
  .mega-link { font-size: 17px; padding: 10px 0; }
}

@media (max-width: 480px) {
  .header-inner { padding: 0 16px; height: 64px; }
  .site-logo-img { height: 48px; }
  .logo-name { font-size: 17px; }
  .logo-group { font-size: 6.5px; }
  .hdr-enquire-btn { display: none; }

  .mega-container { padding: 18px 16px 24px; }
  .mega-top-bar { padding-bottom: 16px; gap: 12px; }
  .mega-search-wrap { padding: 8px 14px; }
  .mega-search { font-size: 13px; }
  .mega-close { width: 38px; height: 38px; }
  .mega-link { font-size: 16px; }
  .mega-tagline { display: none; }
}