/* Layout & Grid Architecture — Pristine Lights & Decor LLP (Fluid Architectural System) */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  box-sizing: border-box;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  box-sizing: border-box;
}

.container-full {
  width: 100%;
  padding-inline: var(--container-padding);
  box-sizing: border-box;
}

/* Section Types & Surfaces */
.section {
  position: relative;
  padding-block: var(--space-section);
  width: 100%;
  box-sizing: border-box;
}

.section-light {
  background-color: var(--color-canvas-primary);
  color: var(--color-text-primary);
}

.section-white {
  background-color: var(--color-canvas-white);
  color: var(--color-text-primary);
}

.section-stone {
  background-color: var(--color-canvas-stone);
  color: var(--color-text-primary);
}

.section-dark {
  background-color: var(--color-dark-primary);
  color: var(--color-text-on-dark);
}

.section-tight {
  padding-block: var(--space-section-sm);
}

.section-spacious {
  padding-block: clamp(4.5rem, 8vw, 10rem);
}

/* Section Headers */
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-header.text-center {
  text-align: center;
}

.section-header.text-center .font-overline {
  justify-content: center;
}

.section-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: clamp(1.25rem, 3vw, 3rem);
  flex-wrap: wrap;
}

.section-header-title {
  max-width: 850px;
  flex: 1 1 320px;
}

.section-header-desc {
  max-width: 580px;
  flex: 1 1 280px;
  margin-top: var(--space-xs);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.75rem, 4vw, 4.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.8vw, 2.5rem);
}

/* Global Site Header (Authoritative Light Frosted Surface) */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition:
    height var(--transition-normal),
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
  background-color: rgba(250, 250, 248, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  box-sizing: border-box;
}

.site-header.is-scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--color-border-light-medium);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  box-sizing: border-box;
}

.header-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 110;
  padding-block: 4px;
}

.brand-logo-img {
  height: clamp(44px, 5.5vw, 74px);
  width: auto;
  max-width: clamp(150px, 22vw, 240px);
  object-fit: contain;
  transition: height var(--transition-normal);
}

.site-header.is-scrolled .brand-logo-img {
  height: clamp(38px, 4.5vw, 58px);
}

/* Desktop Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2.5vw, 3.5rem);
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-body);
  font-size: clamp(0.875rem, 1vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  position: relative;
  padding-block: 12px;
  padding-inline: 0;
  background: none;
  border: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  cursor: pointer;
}

.nav-link-dropdown {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

.dropdown-chevron {
  transition: transform var(--transition-fast);
  color: var(--color-text-muted);
}

.has-dropdown:hover .dropdown-chevron,
.has-dropdown.is-active .dropdown-chevron {
  transform: rotate(180deg);
  color: var(--color-brand-cyan);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brand-cyan);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active,
.has-dropdown:hover .nav-link {
  color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link.active::after,
.has-dropdown:hover .nav-link::after {
  width: 100%;
}

/* Clean Products Dropdown */
.products-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-light-medium);
  border-top: 2px solid var(--color-brand-cyan);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.10), 0 2px 8px rgba(0, 0, 0, 0.04);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 120;
  border-radius: 0 0 6px 6px;
  padding: 6px 0;
}

.has-dropdown:hover .products-dropdown-menu,
.has-dropdown.is-open .products-dropdown-menu,
.products-dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.products-dropdown-list {
  display: flex;
  flex-direction: column;
}

.products-dropdown-item {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-bottom: 1px solid rgba(20, 23, 25, 0.04);
}

.products-dropdown-item:last-child {
  border-bottom: none;
}

.products-dropdown-item:hover {
  background-color: var(--color-canvas-stone);
  color: var(--color-brand-cyan);
  padding-left: 25px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.btn-header-cta {
  background-color: var(--color-text-primary);
  color: #ffffff;
  border: 1px solid var(--color-text-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 24px;
  min-height: 44px;
  border-radius: var(--radius-none);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-header-cta:hover {
  background-color: var(--color-brand-cyan);
  border-color: var(--color-brand-cyan);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: var(--color-canvas-white);
  border: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
  padding: 0;
  z-index: 110;
  position: relative;
  transition: border-color var(--transition-fast);
}

.mobile-nav-toggle:hover {
  border-color: var(--color-brand-cyan);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: var(--color-text-primary);
  transition:
    transform var(--transition-normal),
    opacity var(--transition-fast);
}

.hamburger-line:first-child {
  transform: translateY(-3.5px);
}

.hamburger-line:last-child {
  transform: translateY(3.5px);
}

.mobile-nav-toggle.is-active .hamburger-line:first-child {
  transform: translateY(0.75px) rotate(45deg);
}

.mobile-nav-toggle.is-active .hamburger-line:last-child {
  transform: translateY(-0.75px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: min(380px, 100vw);
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-canvas-primary);
  border-left: 1px solid var(--color-border-light);
  z-index: 105;
  padding: calc(var(--header-height) + 1rem) clamp(1.25rem, 4vw, 2.5rem) 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  box-shadow: -12px 0 36px rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
}

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

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 23, 25, 0.45);
  backdrop-filter: blur(4px);
  z-index: 104;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Mobile Products Accordion */
.mobile-nav-accordion {
  border-bottom: 1px solid var(--color-border-light);
  padding-block: 4px;
}

.mobile-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 5vw, 1.85rem);
  color: var(--color-text-primary);
  background: none;
  border: none;
  padding: 8px 0;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.mobile-accordion-trigger:hover,
.mobile-accordion-trigger.is-active {
  color: var(--color-brand-cyan);
}

.accordion-chevron {
  transition: transform var(--transition-fast);
  color: var(--color-text-muted);
}

.mobile-accordion-trigger.is-active .accordion-chevron {
  transform: rotate(180deg);
  color: var(--color-brand-cyan);
}

.mobile-accordion-content {
  display: none;
  padding: 6px 0 14px 8px;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--color-brand-cyan-subtle);
  margin-left: 4px;
}

.mobile-accordion-content.is-expanded {
  display: flex;
}

.mobile-all-products-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-brand-cyan);
  text-decoration: none;
  padding: 6px 8px;
  margin-bottom: 4px;
  background: var(--color-brand-cyan-subtle);
  border-radius: 4px;
  display: block;
}

.mobile-sub-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 5px 8px;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.mobile-sub-link:hover {
  background-color: var(--color-canvas-white);
  color: var(--color-brand-cyan);
  padding-left: 12px;
}

.mobile-sub-index {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-brand-cyan);
}

.mobile-sub-name {
  font-weight: 500;
}

.mobile-sub-count {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: auto;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 5vw, 1.85rem);
  color: var(--color-text-secondary);
  display: block;
  padding-block: 8px;
  border-bottom: 1px solid var(--color-border-light);
  transition:
    color var(--transition-fast),
    padding-left var(--transition-fast);
  overflow-wrap: break-word;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-brand-cyan);
  padding-left: 8px;
}

.mobile-nav-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.mobile-nav-contact-item {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

/* Site Footer (Cinematic Dark Stage, Clean & Seamless) */
.site-footer {
  background-color: var(--color-dark-secondary);
  color: var(--color-text-on-dark);
  border-top: 1px solid var(--color-dark-border);
  padding-top: clamp(4rem, 7vw, 7rem);
  padding-bottom: var(--space-xl);
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.footer-brand-col p {
  margin-top: var(--space-md);
  max-width: 360px;
  color: var(--color-text-on-dark-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-brand-col .brand-logo-img {
  height: clamp(48px, 6vw, 68px);
}

.footer-col-title {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-brand-cyan-bright);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--color-text-on-dark-muted);
  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
  display: inline-block;
}

.footer-link:hover {
  color: var(--color-text-on-dark);
  transform: translateX(4px);
}

.footer-contact-info {
  font-size: 0.9375rem;
  color: var(--color-text-on-dark-muted);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.875rem;
  color: var(--color-text-on-dark-faint);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-legal-links a:hover {
  color: var(--color-text-on-dark-muted);
}

/* ==========================================================================
   Responsive Breakpoints System
   ========================================================================== */

/* Laptop / Medium Desktop (<= 1200px) */
@media (max-width: 1200px) {
  .nav-desktop {
    gap: 1.5rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top-grid {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
  }
}

/* Tablet Landscape & Below (<= 992px) */
@media (max-width: 992px) {
  .nav-desktop {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .btn-header-cta {
    display: none !important;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

/* Tablet Portrait & Below (<= 768px) */
@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* Mobile & Below (<= 576px) */
@media (max-width: 576px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .mobile-nav-drawer {
    max-width: 100vw;
    border-left: none;
  }
}

/* Extra Small Mobile (<= 375px) */
@media (max-width: 375px) {
  .brand-logo-img {
    height: 40px;
    max-width: 150px;
  }

  .mobile-nav-toggle {
    width: 40px;
    height: 40px;
  }
}