/* ============================================
   S2 AIRDUCT — Components CSS
   Header & Footer Shared Styles
   ============================================ */

/* ─────────────────────────────────────────────
   SITE HEADER
───────────────────────────────────────────── */
.header-wrap {
  position: fixed !important;
  top: 0 !important;
  left: 0;
  right: 0;
  z-index: 99999 !important;
  height: var(--header-h);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
              border-color 0.4s var(--ease);
  background: transparent;
  border-bottom: 1px solid transparent;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
}

.header-wrap.scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(151, 160, 167, 0.15),
              0 4px 24px rgba(30, 42, 50, 0.06);
  border-color: var(--clr-border);
}

/* Dark-bg pages: header always needs text visibility */
.header-dark .header-wrap:not(.scrolled) .logo-name,
.header-dark .header-wrap:not(.scrolled) .nav-link,
.header-dark .header-wrap:not(.scrolled) .header-phone-btn {

  color: var(--clr-white);
}

.header-dark .header-wrap:not(.scrolled) .logo-tagline {
  color: rgba(255,255,255,0.5);
}

.header-dark .header-wrap:not(.scrolled) .logo-icon {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
}

.header-dark .header-wrap:not(.scrolled) .header-cta {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

.header-dark .header-wrap:not(.scrolled) .header-cta:hover {
  background: var(--clr-white);
  color: var(--clr-dark);
}

.header-dark .header-wrap:not(.scrolled) .menu-toggle span {
  background: var(--clr-white);
}



.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-8);
  gap: var(--sp-8);
}

/* ─── Logo ─── */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
}

/* ─── Logo Image ─── */
.logo-img {
  display: block;
  object-fit: contain;
  border-radius: 20px;
  flex-shrink: 0;
  transition: var(--t);
}

/* Header logo: 120×120px */
.logo-img-header {
  width: 120px;
  height: 120px;
}

/* Footer logo: 170×170px */
.logo-img-footer {
  width: 170px;
  height: 170px;
}

/* Hover subtle scale */
.header-logo:hover .logo-img,
.footer-logo-link:hover .logo-img {
  transform: scale(1.05);
}

/* Footer logo link flex layout */
.footer-logo-link {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  text-decoration: none;
  margin-bottom: var(--sp-1);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-dark);
  letter-spacing: -0.01em;
  transition: var(--t);
}

.logo-tagline {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--clr-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
  transition: var(--t);
}

/* ─── Navigation ─── */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--clr-text);
  border-radius: var(--r-full);
  transition: var(--t);
  letter-spacing: 0.01em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 18px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: var(--r-full);
  transition: transform 0.3s var(--ease-spring);
  transform-origin: center;
}

.nav-link:hover {
  color: var(--clr-accent);
  background: rgba(85, 103, 117, 0.07);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
  color: var(--clr-accent);
  font-weight: 500;
}

/* ─── Header Actions ─── */

.header-phone-btn {
  color: var(--clr-dark);
  transition: color 0.3s ease;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.575rem 1.35rem;
  background: var(--clr-dark);
  color: var(--clr-white);
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: var(--t);
  border: 1.5px solid transparent;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--clr-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ─── Mobile Toggle ─── */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.menu-toggle:hover { 
  background: var(--clr-light); 
  transform: scale(1.05);
}

.menu-toggle span {
  display: block;
  height: 2.5px;
  background: var(--clr-dark);
  border-radius: var(--r-full);
  transition: var(--t);
  transform-origin: center;
  flex-shrink: 0;
}

.menu-toggle span:nth-child(1) { width: 22px; }
.menu-toggle span:nth-child(2) { width: 16px; }
.menu-toggle span:nth-child(3) { width: 22px; }

.menu-toggle.open span:nth-child(1) { width: 20px; transform: translateY(7.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.open span:nth-child(3) { width: 20px; transform: translateY(-7.5px) rotate(-45deg); }

/* ─── Mobile Menu ─── */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-5) var(--sp-6) var(--sp-8);
  flex-direction: column;
  gap: var(--sp-1);
  z-index: 9998;
  box-shadow: var(--shadow-md);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px);
  display: flex;
}

.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-menu .nav-link {
  font-size: var(--fs-md);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-lg);
  text-align: center;
  justify-content: center;
}

.mobile-menu-cta {
  margin-top: var(--sp-4);
  display: block;
  text-align: center;
  padding: var(--sp-4);
  background: var(--clr-dark);
  color: var(--clr-white) !important;
  border-radius: var(--r-xl);
  font-size: var(--fs-md);
  font-weight: 500;
  transition: var(--t);
}

.mobile-menu-cta:hover {
  background: var(--clr-accent) !important;
}

/* ─────────────────────────────────────────────
   SITE FOOTER
───────────────────────────────────────────── */
.footer-wrap {
  background: var(--clr-dark);
  color: rgba(255,255,255,0.55);
  padding-top: var(--sp-20);
  position: relative;
  overflow: hidden;
}

.footer-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(151,160,167,0.4) 30%,
    rgba(151,160,167,0.6) 50%,
    rgba(151,160,167,0.4) 70%,
    transparent 100%
  );
}

/* Decorative orbs */
.footer-wrap::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(85,103,117,0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-8);
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-16);
  border-bottom: 1px solid rgba(151,160,167,0.12);
}

/* Brand column */
.footer-brand .logo-name {
  color: var(--clr-white);
  font-size: var(--fs-xl);
}

.footer-brand .logo-tagline {
  color: rgba(255,255,255,0.35);
}

.footer-desc {
  margin-top: var(--sp-5);
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: rgba(255,255,255,0.45);
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-8);
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--r-md);
  border: 1px solid rgba(151,160,167,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-sm);
  transition: var(--t);
}

.social-btn:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-white);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(85,103,117,0.4);
}

/* Nav columns */
.footer-col-title {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-link {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.45);
  transition: var(--t);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.footer-link::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clr-primary);
  flex-shrink: 0;
  opacity: 0;
  transform: scale(0);
  transition: var(--t);
}

.footer-link:hover {
  color: var(--clr-white);
  transform: translateX(6px);
}

.footer-link:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* Contact column */
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.footer-contact-item .fc-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: rgba(151,160,167,0.1);
  border: 1px solid rgba(151,160,167,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-primary);
}

.footer-contact-item .fc-icon svg {
  width: 14px;
  height: 14px;
}

/* Footer bottom */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) 0;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.28);
  gap: var(--sp-8);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
  transition: var(--t);
}

.footer-bottom a:hover { color: var(--clr-white); }

.footer-bottom-links {
  display: flex;
  gap: var(--sp-6);
}

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-10);
  }
}

@media (max-width: 1024px) {
  :root {
    --header-h: 70px;
  }

  .header-wrap {
    position: fixed !important;
    top: 0 !important;
    left: 0;
    right: 0;
    z-index: 99999 !important;
  }

  .logo-img-header {
    width: 100px !important;
    height: 100px !important;
    border-radius: 12px !important;
  }

  .header-nav,
  .header-actions { display: none; }

  .menu-toggle {
    display: flex !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    z-index: 1000 !important;
    margin-right: 10px;
  }

  .header-inner { 
    padding: 0 var(--sp-5); 
    justify-content: space-between;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .footer-inner { padding: 0 var(--sp-5); }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--sp-3);
  }

  .footer-bottom-links { justify-content: center; }
}

/* --- COMPREHENSIVE RESPONSIVE FIXES (Components) --- */
@media (max-width: 1024px) {
  .header-nav { display: none !important; }
  .header-actions { display: none !important; }
  .menu-toggle { display: flex !important; background: transparent !important; border: none !important; box-shadow: none !important; z-index: 1000 !important; }
  .footer-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 40px; }
}
@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr !important; gap: 32px; }
  .mobile-menu { width: 100% !important; right: 0 !important; border-radius: 0 0 16px 16px !important; }
}

/* Global Lightbox Styles */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 100px;
  cursor: pointer;
  padding: 20px;
  user-select: none;
  transition: color 0.3s ease, transform 0.2s ease;
  z-index: 10;
}
.lightbox-nav:hover {
  color: #fff;
  transform: translateY(-50%) scale(1.1);
}
.lightbox-prev { left: 2vw; }
.lightbox-next { right: 2vw; }

.lightbox-counter {
  position: absolute;
  top: 30px;
  left: 40px;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 3px;
  z-index: 10;
}

.lightbox-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  z-index: 10;
  max-width: 80%;
}
.lightbox-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}
.lightbox-dot:hover {
  background: rgba(255, 255, 255, 0.7);
}
.lightbox-dot.active {
  background: #fff;
  transform: scale(1.2);
}