/* ==========================================================================
   Karawang Creative - Layout Architecture (Header, Hero, Split, Grids, Footer)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Navigation & Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal),
              backdrop-filter var(--transition-normal),
              border-color var(--transition-normal),
              box-shadow var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background-color: rgba(250, 249, 245, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-subtle);
  box-shadow: var(--shadow-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: contain;
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
  padding: 1px;
}

.brand-logo .brand-mark {
  width: 36px;
  height: 36px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1;
}

.brand-logo .brand-text {
  display: flex;
  flex-direction: column;
}

.brand-logo .brand-sub {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: -2px;
}

/* Nav Links Pill Container */
.nav-menu-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(20, 20, 19, 0.04);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: rgba(20, 20, 19, 0.05);
}

.nav-link.is-active {
  color: var(--text-primary);
  background-color: var(--bg-card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  z-index: calc(var(--z-nav) + 10);
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  position: relative;
}

.mobile-toggle span::before,
.mobile-toggle span::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 1.5px;
  background-color: var(--text-primary);
  left: 0;
  transition: transform var(--transition-fast), top var(--transition-fast);
}

.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }

.mobile-toggle.is-active span {
  background-color: transparent;
}

.mobile-toggle.is-active span::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-toggle.is-active span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Fullscreen Menu */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  z-index: var(--z-nav);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-height) + 2rem) var(--container-padding) 3rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

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

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--accent-earth);
  padding-left: 0.5rem;
}

.mobile-nav-link span.num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.mobile-menu-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   Hero Section Layout
   -------------------------------------------------------------------------- */

.hero-section {
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.hero-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-headline-wrapper {
  margin-bottom: 2rem;
}

.hero-headline-wrapper h1 {
  max-width: 22ch;
}

.hero-actions-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-media-wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 16 / 9;
  background-color: var(--bg-tertiary);
}

.hero-media-wrapper img,
.hero-media-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-floating-badge {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background: rgba(18, 18, 18, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-light);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* --------------------------------------------------------------------------
   Editorial Split & Grid Architecture
   -------------------------------------------------------------------------- */

.split-2col {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.split-2col.equal {
  grid-template-columns: 1fr 1fr;
}

.split-sticky-col {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding-top: clamp(5rem, 8vw, 8rem);
  padding-bottom: 3rem;
  border-top: 1px solid var(--border-light);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.75fr 1fr 1fr 1.25fr;
  gap: clamp(2rem, 5vw, 5rem);
  margin-bottom: clamp(4rem, 7vw, 6.5rem);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand-title {
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--text-light);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer-link {
  color: #CCCBC8;
  font-size: 0.9375rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-light-muted);
  font-family: var(--font-mono);
}