/* ==========================================================================
   FURNICON INDONESIA (furnicon.co.id)
   World-Class Architectural UI/UX Design System
   Inspired by Okamura (okamura.com /philosophy) & Stramm (stramm.com)
   ========================================================================== */

:root {
  /* Architectural Color Palette */
  --bg-primary: #F8F7F4;
  --bg-secondary: #EFECE6;
  --bg-tertiary: #E6E2DA;
  --bg-card: #FFFFFF;
  --bg-dark: #141312;
  --bg-dark-elevated: #1E1C1B;
  --bg-dark-card: #252321;

  /* Typography Colors */
  --text-primary: #1C1B1A;
  --text-secondary: #5C5955;
  --text-muted: #8A8680;
  --text-light: #F8F7F4;
  --text-light-muted: #A8A39D;

  /* Brand & Architectural Accents */
  --accent-primary: #9E3B24;      /* Okamura-inspired Vermilion Bronze */
  --accent-hover: #7D2C19;
  --accent-soft: rgba(158, 59, 36, 0.08);
  --accent-green: #2D4A3E;        /* Sustainability / BIFMA Certified Sage */
  --accent-gold: #B08D57;         /* Precision Brass / Industrial Detail */

  /* Hairline Borders & Shadows */
  --border-light: #E2DFD9;
  --border-medium: #CFCBC3;
  --border-dark: #2E2C2A;
  --shadow-subtle: 0 12px 32px -8px rgba(28, 27, 26, 0.06);
  --shadow-elevated: 0 24px 48px -12px rgba(28, 27, 26, 0.14);

  /* Typography Families — Warm Humanist Sans (Okamura & Stramm authentic style) */
  --font-serif: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  /* Layout & Transitions */
  --container-max: 1440px;
  --header-height: 80px;
  --topbar-height: 38px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

body.dark-page {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease-out-expo), opacity 0.25s var(--ease-out-expo);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img, video {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
}

.container-narrow {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
}

/* Typography & Icon Utilities — Clean, Natural Okamura & Stramm Corporate Style */
.svg-icon {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.svg-icon-sm {
  width: 14px;
  height: 14px;
}

.svg-icon-lg {
  width: 20px;
  height: 20px;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.eyebrow-light {
  color: #E5B887;
}

.serif-display {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.mono-label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   1. STRAMM-INSPIRED TOP UTILITY BAR
   ========================================================================== */
.utility-bar {
  background-color: var(--bg-dark);
  color: var(--text-light-muted);
  height: var(--topbar-height);
  font-size: 0.75rem;
  border-bottom: 1px solid var(--border-dark);
  position: relative;
  z-index: 1002;
}

.utility-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.segment-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  height: 100%;
}

.segment-btn {
  color: var(--text-light-muted);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.segment-btn.active {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.segment-btn:hover:not(.active) {
  color: #FFFFFF;
}

.utility-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.utility-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-light-muted);
  transition: color 0.2s ease;
}

.utility-item:hover {
  color: #FFFFFF;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-dark);
  border-radius: 2px;
  overflow: hidden;
}

.lang-btn {
  color: var(--text-light-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.15rem 0.45rem;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background-color: var(--accent-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   2. MAIN ARCHITECTURAL HEADER & MEGA MENU (OKAMURA + STRAMM)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.35s var(--ease-out-expo), border-color 0.35s var(--ease-out-expo), box-shadow 0.35s var(--ease-out-expo);
}

.site-header.scrolled {
  box-shadow: var(--shadow-subtle);
}

.site-header.header-dark {
  background-color: rgba(20, 19, 18, 0.88);
  border-bottom-color: var(--border-dark);
  color: var(--text-light);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand-logo img {
  height: 34px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s var(--ease-out-expo);
}

.brand-logo:hover img {
  transform: scale(1.02);
}

.brand-tagline {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-muted);
  border-left: 1px solid var(--border-medium);
  padding-left: 0.85rem;
  line-height: 1.3;
}

.header-dark .brand-tagline {
  border-left-color: var(--border-dark);
  color: var(--text-light-muted);
}

/* Primary Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--accent-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out-expo);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-badge {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.15rem 0.48rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-radius: 99px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Mega Menu Dropdown */
.mega-menu {
  position: fixed;
  top: calc(var(--topbar-height) + var(--header-height));
  left: 0;
  width: 100%;
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.3s var(--ease-out-expo);
  z-index: 999;
}

.site-header.scrolled .mega-menu {
  top: var(--header-height);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2.5rem clamp(1.25rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1.2fr 1.4fr;
  gap: 2.5rem;
}

.mega-col-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.mega-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mega-links a {
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0;
  transition: transform 0.2s ease, color 0.2s ease;
}

.mega-links a span.sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.mega-links a:hover {
  color: var(--accent-primary);
  transform: translateX(4px);
}

.mega-feature-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.mega-feature-img {
  height: 150px;
  overflow: hidden;
  background-color: var(--bg-secondary);
  position: relative;
}

.mega-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.mega-feature-card:hover .mega-feature-img img {
  transform: scale(1.05);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.icon-btn {
  height: 40px;
  padding: 0 0.85rem;
  border: 1px solid var(--border-light);
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: inherit;
  transition: all 0.25s ease;
}

.header-dark .icon-btn {
  border-color: var(--border-dark);
}

.icon-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.quote-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  padding: 0.1rem 0.42rem;
  border-radius: 2px;
}

.btn-primary {
  background-color: var(--text-primary);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 0.7rem 1.35rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: all 0.3s var(--ease-out-expo);
}

.btn-primary:hover {
  background-color: var(--accent-primary);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 0.85rem 1.65rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: all 0.3s var(--ease-out-expo);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
  background-color: rgba(20, 19, 18, 0.35);
  backdrop-filter: blur(8px);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 0.85rem 1.65rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: all 0.3s var(--ease-out-expo);
}

.btn-outline-light:hover {
  background-color: #FFFFFF;
  color: var(--text-primary);
  border-color: #FFFFFF;
}

.btn-outline-dark {
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 0.75rem 1.45rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: all 0.25s ease;
}

.btn-outline-dark:hover {
  border-color: var(--text-primary);
  background-color: var(--text-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   3. HERO SECTION (OKAMURA VIDEO AMBIENCE + STRAMM SLIDER)
   ========================================================================== */
.hero-section {
  position: relative;
  height: calc(100vh - var(--topbar-height) - var(--header-height));
  min-height: 640px;
  max-height: 920px;
  background-color: var(--bg-dark);
  color: #FFFFFF;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s var(--ease-out-expo), visibility 1.1s;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 8s ease-out;
  filter: brightness(0.62) contrast(1.05);
}

.hero-slide.active .hero-media {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(16, 15, 14, 0.84) 0%,
    rgba(16, 15, 14, 0.52) 52%,
    rgba(16, 15, 14, 0.25) 100%
  ),
  linear-gradient(
    180deg,
    rgba(16, 15, 14, 0.3) 0%,
    transparent 40%,
    rgba(16, 15, 14, 0.85) 100%
  );
  z-index: 2;
}

.hero-content-wrap {
  position: relative;
  z-index: 3;
  flex: 1;
  display: flex;
  align-items: center;
}

.hero-grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 3rem;
  align-items: end;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4.2vw, 3.85rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.025em;
  margin: 0.85rem 0 1.25rem;
  max-width: 18ch;
}

.hero-title em {
  font-style: normal;
  font-weight: 400;
  color: #E8D8C8;
}

.hero-desc {
  font-size: clamp(0.95rem, 1.15vw, 1.12rem);
  color: rgba(248, 247, 244, 0.82);
  max-width: 56ch;
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* Floating Architectural Spec Card in Hero */
.hero-spec-card {
  background: rgba(24, 23, 22, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.65rem;
  border-radius: 2px;
  max-width: 380px;
  margin-left: auto;
}

.hero-spec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.85rem;
  margin-bottom: 1rem;
}

.hero-spec-series {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  color: #E5B887;
}

.hero-spec-badge {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  background: rgba(45, 74, 62, 0.85);
  color: #A9E5C7;
  border: 1px solid rgba(169, 229, 199, 0.3);
}

.hero-spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.hero-spec-item span.lbl {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-light-muted);
}

.hero-spec-item strong {
  font-size: 0.85rem;
  font-weight: 500;
  color: #FFFFFF;
}

/* Hero Bottom Control & Metrics Bar */
.hero-bottom-bar {
  position: relative;
  z-index: 3;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(16, 15, 14, 0.6);
  backdrop-filter: blur(10px);
}

.hero-bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.1rem clamp(1.25rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-slider-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.slide-dots {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.slide-dot {
  width: 44px;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.25);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.slide-dot.active {
  background-color: var(--accent-primary);
  width: 68px;
}

.video-toggle-btn {
  color: var(--text-light-muted);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
}

.video-toggle-btn:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.hero-metric {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.hero-metric strong {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: #FFFFFF;
}

.hero-metric span {
  font-size: 0.75rem;
  color: var(--text-light-muted);
}

/* ==========================================================================
   4. STRAMM VALUE PROPOSITIONS BAR (ARCHITECTURAL GRID)
   ========================================================================== */
.value-strip {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
}

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

.value-cell {
  padding: 1.75rem 2rem;
  border-right: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: background-color 0.25s ease;
}

.value-cell:last-child {
  border-right: none;
}

.value-cell:hover {
  background-color: var(--bg-card);
}

.value-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-primary);
  font-weight: 600;
  padding-top: 0.15rem;
}

.value-text h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.value-text p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   5. SECTION HEADERS & ARCHITECTURAL LAYOUT
   ========================================================================== */
.section-pad {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.section-header-dark {
  border-bottom-color: var(--border-dark);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3vw, 2.65rem);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
}

.section-subtitle {
  max-width: 48ch;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ==========================================================================
   6. PRODUCT CATALOG & FILTER SYSTEM (STRAMM + OKAMURA)
   ========================================================================== */
.catalog-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.category-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cat-tab {
  padding: 0.6rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  border-radius: 2px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.cat-tab span.count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.cat-tab.active,
.cat-tab:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.cat-tab.active span.count,
.cat-tab:hover span.count {
  color: rgba(255, 255, 255, 0.7);
}

.catalog-search-sort {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-input-wrap {
  position: relative;
}

.search-input {
  padding: 0.6rem 1rem 0.6rem 2.25rem;
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-primary);
  border-radius: 2px;
  width: 240px;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Architectural Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.35s var(--ease-out-expo), box-shadow 0.35s var(--ease-out-expo), border-color 0.35s ease;
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--border-medium);
}

.product-card-top {
  position: relative;
  height: 330px;
  background-color: #F3F1EC;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease-out-expo), filter 0.35s ease;
}

.product-card:hover .product-card-img {
  transform: scale(1.05);
}

.product-badges {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
  pointer-events: none;
}

.badge-series {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.28rem 0.65rem;
  background-color: rgba(28, 27, 26, 0.88);
  color: #FFFFFF;
  border-radius: 3px;
}

.badge-cert {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  background-color: rgba(255, 255, 255, 0.94);
  color: var(--accent-green);
  border: 1px solid rgba(45, 74, 62, 0.25);
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.product-quick-overlay {
  position: absolute;
  bottom: 0.85rem;
  left: 0.85rem;
  right: 0.85rem;
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s var(--ease-out-expo);
  z-index: 3;
}

.product-card:hover .product-quick-overlay {
  opacity: 1;
  transform: translateY(0);
}

.quick-view-btn {
  flex: 1;
  background-color: rgba(20, 19, 18, 0.92);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
  padding: 0.65rem 0.85rem;
  text-align: center;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  transition: background-color 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.quick-view-btn:hover {
  background-color: var(--accent-primary);
}

.product-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
}

.product-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.product-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  line-height: 1.25;
}

.product-tagline {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.product-specs-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.spec-pill {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  padding: 0.2rem 0.5rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.product-swatches {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.35rem;
}

.swatch-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 1px var(--border-medium);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.swatch-dot.active,
.swatch-dot:hover {
  transform: scale(1.18);
  box-shadow: 0 0 0 1.5px var(--text-primary);
}

.swatch-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

.product-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.price-block span.mode-lbl {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.price-block strong {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
}

.add-quote-btn {
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--text-primary);
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-primary);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.add-quote-btn:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   7. OKAMURA PHILOSOPHY FEATURE BANNER (DARK ARCHITECTURAL)
   ========================================================================== */
.philosophy-banner {
  background-color: var(--bg-dark);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.philosophy-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 620px;
}

.philosophy-copy {
  padding: clamp(3.5rem, 6vw, 6rem) clamp(1.5rem, 5vw, 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--border-dark);
}

.philosophy-quote {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.16;
  margin: 0.85rem 0 1.35rem;
}

.philosophy-quote em {
  color: #E0A96D;
  font-style: normal;
  font-weight: 400;
}

.philosophy-lead {
  color: var(--text-light-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 54ch;
}

.philosophy-pillars-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: 2.25rem;
}

.pillar-mini h5 {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
  color: #E5B887;
  margin-bottom: 0.35rem;
}

.pillar-mini p {
  font-size: 0.82rem;
  color: var(--text-light-muted);
}

.philosophy-video-pane {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  background-color: #0D0C0C;
}

.philosophy-video-pane video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.75) contrast(1.08);
}

.video-play-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: radial-gradient(circle, rgba(20,19,18,0.25) 0%, rgba(20,19,18,0.65) 100%);
  z-index: 2;
}

.play-circle-btn {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(20, 19, 18, 0.65);
  backdrop-filter: blur(12px);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: all 0.35s var(--ease-out-expo);
}

.play-circle-btn:hover {
  transform: scale(1.1);
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ==========================================================================
   8. ERGONOMIC ANATOMY ("TO THE LAST DETAIL" HOTSPOT INSPECTOR)
   ========================================================================== */
.anatomy-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.anatomy-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.anatomy-stage {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  height: 580px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.anatomy-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.anatomy-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(28, 27, 26, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 27, 26, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hotspot-pin {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-dark);
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.28);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  z-index: 4;
}

.hotspot-pin::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-primary);
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}

.hotspot-pin.active,
.hotspot-pin:hover {
  background-color: var(--accent-primary);
  transform: scale(1.15);
}

.hotspot-pin.active::after {
  opacity: 1;
  transform: scale(1.15);
}

.anatomy-detail-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.anatomy-step-nav {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.anatomy-step-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  transition: all 0.2s ease;
}

.anatomy-step-btn.active {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
}

.anatomy-metrics-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
}

.anatomy-metric-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.anatomy-metric-item strong {
  font-size: 1.05rem;
  color: var(--text-primary);
}

/* ==========================================================================
   9. OKAMURA WORKPLACE SOLUTIONS (ACTIVITY-BASED WORKING ZONES)
   ========================================================================== */
.abw-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  margin-bottom: 2.5rem;
}

.abw-tab {
  padding: 1.35rem 1.5rem;
  text-align: left;
  border-right: 1px solid var(--border-light);
  transition: all 0.25s ease;
}

.abw-tab:last-child {
  border-right: none;
}

.abw-tab span.zone-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.abw-tab strong {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.abw-tab.active {
  background-color: var(--bg-dark);
  color: #FFFFFF;
}

.abw-tab.active span.zone-code {
  color: #E0A96D;
}

.abw-tab.active strong {
  color: #FFFFFF;
}

.abw-showcase {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
}

.abw-visual {
  position: relative;
  min-height: 440px;
  overflow: hidden;
}

.abw-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.abw-info {
  padding: 2.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--border-light);
}

.abw-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin: 1.5rem 0;
}

/* ==========================================================================
   10. B2B MANUFACTURING & PROJECT CONSULTATION SECTION
   ========================================================================== */
.b2b-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.b2b-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.lab-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.lab-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 1.5rem;
}

.lab-card strong {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--accent-primary);
  display: block;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.b2b-form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 2.5rem;
  box-shadow: var(--shadow-subtle);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
  margin-top: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-secondary);
}

.form-control {
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--border-medium);
  background-color: var(--bg-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-primary);
  border-radius: 2px;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  background-color: #FFFFFF;
}

/* ==========================================================================
   11. DEDICATED PHILOSOPHY PAGE (philosophy.html - OKAMURA.COM/PHILOSOPHY)
   ========================================================================== */
.phil-hero {
  position: relative;
  height: 92vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
  overflow: hidden;
  background-color: #0E0D0C;
}

.phil-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.48) contrast(1.08);
  transform: scale(1.03);
}

.phil-hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(14,13,12,0.2) 0%, rgba(14,13,12,0.85) 100%),
              linear-gradient(180deg, rgba(14,13,12,0.5) 0%, transparent 40%, #141312 100%);
  z-index: 1;
}

.phil-hero-content {
  position: relative;
  z-index: 2;
  max-width: 920px;
  padding: 0 2rem;
}

.phil-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.6vw, 4.2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.14;
  margin: 1.1rem 0 1.35rem;
}

.phil-hero-sub {
  font-size: clamp(1rem, 1.3vw, 1.22rem);
  color: rgba(248, 247, 244, 0.82);
  max-width: 60ch;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

/* Sticky Chapter Navigation on Philosophy Page */
.phil-chapter-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 900;
  background-color: rgba(20, 19, 18, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.phil-chapter-list {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  overflow-x: auto;
}

.phil-chapter-link {
  padding: 1.05rem 1.45rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-light-muted);
  border-right: 1px solid var(--border-dark);
  white-space: nowrap;
  transition: all 0.25s ease;
}

.phil-chapter-link:first-child {
  border-left: 1px solid var(--border-dark);
}

.phil-chapter-link:hover,
.phil-chapter-link.active {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.06);
}

/* Philosophy Detail Video Stories ("To the last detail") */
.detail-story-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-dark);
}

.detail-story-row.reverse {
  direction: rtl;
}

.detail-story-row.reverse > * {
  direction: ltr;
}

.detail-video-frame {
  position: relative;
  border: 1px solid var(--border-dark);
  background-color: #0D0C0C;
  height: 420px;
  overflow: hidden;
}

.detail-video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-video-caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  padding: 0.65rem 1rem;
  background: rgba(20, 19, 18, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-light-muted);
}

/* Interactive Film Chapter Theater */
.film-theater {
  background-color: #0B0A0A;
  border: 1px solid var(--border-dark);
  overflow: hidden;
}

.film-stage {
  position: relative;
  height: 540px;
  background-color: #000;
}

.film-stage video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.78);
}

.film-stage-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, transparent 50%, rgba(0,0,0,0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem;
}

.film-chapters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-dark);
}

.film-chapter-btn {
  padding: 1.5rem;
  text-align: left;
  border-right: 1px solid var(--border-dark);
  color: var(--text-light-muted);
  transition: all 0.25s ease;
}

.film-chapter-btn:last-child {
  border-right: none;
}

.film-chapter-btn.active,
.film-chapter-btn:hover {
  background-color: var(--bg-dark-card);
  color: #FFFFFF;
}

.film-chapter-btn span.time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #E0A96D;
  margin-bottom: 0.35rem;
}

.film-chapter-btn strong {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.25rem;
  color: #FFFFFF;
}

/* ==========================================================================
   12. MODALS & DRAWERS (QUICK VIEW, VIDEO FILM MODAL, B2B QUOTE DRAWER)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 11, 10, 0.78);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-out-expo);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--bg-card);
  color: var(--text-primary);
  max-width: 1020px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-elevated);
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background-color: var(--bg-dark);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  z-index: 10;
}

.modal-visual {
  background-color: #F3F1EC;
  position: relative;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
}

.modal-visual img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.modal-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Video Film Fullscreen Modal */
.video-modal-dialog {
  max-width: 1180px;
  width: 100%;
  background-color: #0D0C0C;
  border: 1px solid var(--border-dark);
  color: #FFFFFF;
  position: relative;
}

.video-modal-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #000;
}

/* B2B Quote Drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 11, 10, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.quote-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 440px;
  max-width: 92vw;
  height: 100vh;
  background-color: var(--bg-card);
  color: var(--text-primary);
  z-index: 2101;
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out-expo);
}

.drawer-backdrop.open .quote-drawer {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-items {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drawer-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.drawer-item img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  background-color: var(--bg-secondary);
}

.drawer-footer {
  padding: 1.5rem 1.75rem;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ==========================================================================
   13. FOOTER (STRAMM MULTI-COLUMN + OKAMURA ARCHITECTURAL MINIMALISM)
   ========================================================================== */
.site-footer {
  background-color: #11100F;
  color: var(--text-light-muted);
  border-top: 1px solid var(--border-dark);
  padding: 5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-dark);
}

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Philosophy Page Dedicated Grids (Responsive) */
.phil-manifesto-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: start;
}

.phil-lab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.phil-sustain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Mobile Menu Trigger & Drawer */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  align-items: center;
  justify-content: center;
  color: inherit;
  flex-shrink: 0;
}

.header-dark .mobile-menu-btn {
  border-color: var(--border-dark);
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background-color: var(--bg-card);
  color: var(--text-primary);
  z-index: 2200;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.35s var(--ease-out-expo), opacity 0.3s ease, visibility 0.3s;
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0;
  gap: 0.25rem;
}

.mobile-nav-links a {
  font-size: 1.15rem;
  font-weight: 600;
  padding: 0.9rem 0.25rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   14. COMPREHENSIVE MOBILE & TABLET RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1080px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .brand-tagline {
    display: none;
  }

  /* Hero Section Tablet/Mobile Fix — No Clipping */
  .hero-section {
    height: auto;
    min-height: auto;
    max-height: none;
  }

  .hero-content-wrap {
    padding: 3.5rem 0 2.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero-spec-card {
    margin-left: 0;
    max-width: 100%;
    width: 100%;
  }

  .philosophy-split,
  .anatomy-grid,
  .abw-showcase,
  .b2b-grid,
  .detail-story-row,
  .phil-manifesto-grid,
  .phil-sustain-grid,
  .modal-dialog {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .detail-story-row.reverse {
    direction: ltr;
  }

  .philosophy-copy {
    border-right: none;
    border-bottom: 1px solid var(--border-dark);
    padding: 3rem clamp(1.25rem, 4vw, 3rem);
  }

  .abw-info {
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding: 2rem 1.5rem;
  }

  .value-grid,
  .abw-tabs,
  .film-chapters-grid,
  .phil-lab-grid {
    grid-template-columns: 1fr 1fr;
  }

  .value-cell {
    border-bottom: 1px solid var(--border-light);
  }

  .abw-tab {
    border-bottom: 1px solid var(--border-light);
  }

  .film-chapter-btn {
    border-bottom: 1px solid var(--border-dark);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 66px;
    --topbar-height: 36px;
  }

  .utility-right {
    display: none;
  }

  .utility-bar-inner {
    justify-content: center;
    padding: 0 0.75rem;
  }

  .segment-switcher {
    width: 100%;
    justify-content: space-between;
    gap: 0.25rem;
  }

  .segment-btn {
    flex: 1;
    justify-content: center;
    font-size: 0.7rem;
    padding: 0.3rem 0.4rem;
    white-space: nowrap;
  }

  .header-inner {
    padding: 0 1rem;
    gap: 0.75rem;
  }

  .brand-logo img {
    height: 26px;
  }

  .header-actions {
    gap: 0.5rem;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .icon-btn {
    height: 36px;
    padding: 0 0.65rem;
    font-size: 0.75rem;
  }

  .icon-btn span:not(.quote-count) {
    display: none;
  }

  /* Hero Mobile Typography & Stack */
  .hero-content-wrap {
    padding: 2.5rem 0 2rem;
  }

  .hero-title {
    font-size: 2rem;
    line-height: 1.18;
    margin: 0.65rem 0 1rem;
  }

  .hero-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .hero-cta-group .btn-accent,
  .hero-cta-group .btn-outline-light {
    width: 100%;
    justify-content: center;
    padding: 0.8rem 1.25rem;
  }

  .hero-spec-card {
    padding: 1.25rem;
  }

  .hero-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
  }

  .hero-slider-controls {
    width: 100%;
    justify-content: space-between;
  }

  .hero-metrics {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero-metric {
    flex-direction: column;
    gap: 0.1rem;
  }

  .hero-metric strong {
    font-size: 1.05rem;
  }

  .hero-metric span {
    font-size: 0.68rem;
    line-height: 1.2;
  }

  /* Value Strip Mobile */
  .value-grid {
    grid-template-columns: 1fr;
  }

  .value-cell {
    padding: 1.25rem 1rem;
    border-right: none;
  }

  /* Section Spacing & Headers Mobile */
  .section-pad {
    padding: 3rem 0;
  }

  .section-header {
    margin-bottom: 1.75rem;
    padding-bottom: 1.15rem;
    gap: 0.85rem;
  }

  .section-title {
    font-size: 1.55rem;
  }

  .section-subtitle {
    font-size: 0.88rem;
  }

  /* Catalog Filter & Product Grid Mobile */
  .catalog-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    margin-bottom: 1.75rem;
  }

  .category-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
  }

  .cat-tab {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.55rem 0.95rem;
    font-size: 0.78rem;
  }

  .catalog-search-sort,
  .search-input-wrap,
  .search-input {
    width: 100%;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .product-card-top {
    height: 270px;
  }

  .product-quick-overlay {
    opacity: 1;
    transform: translateY(0);
  }

  .product-card-body {
    padding: 1.25rem;
  }

  /* Philosophy Banner Mobile */
  .philosophy-quote {
    font-size: 1.75rem;
  }

  .philosophy-pillars-mini {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .philosophy-video-pane {
    min-height: 300px;
  }

  /* Ergonomic Anatomy Mobile */
  .anatomy-stage {
    height: 340px;
  }

  .hotspot-pin {
    width: 30px;
    height: 30px;
    font-size: 0.7rem;
  }

  .anatomy-detail-panel {
    padding: 1.35rem;
  }

  .anatomy-step-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.35rem;
  }

  .anatomy-step-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .anatomy-metrics-box {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* ABW Workplace Solutions Mobile */
  .abw-tabs {
    grid-template-columns: 1fr;
  }

  .abw-tab {
    border-right: none;
    padding: 1rem 1.25rem;
  }

  .abw-visual {
    min-height: 250px;
  }

  .abw-stats-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* B2B & Form Mobile */
  .lab-cards,
  .form-grid,
  .phil-lab-grid,
  .film-chapters-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .b2b-form-card {
    padding: 1.5rem 1.25rem;
  }

  /* Philosophy Page Mobile */
  .phil-hero {
    height: auto;
    min-height: 540px;
    padding: 4rem 0 3rem;
  }

  .phil-hero-content {
    padding: 0 1.25rem;
  }

  .phil-hero-title {
    font-size: 2.1rem;
  }

  .phil-hero-sub {
    font-size: 0.92rem;
    margin-bottom: 1.75rem;
  }

  .detail-story-row {
    padding: 2.75rem 0;
    gap: 1.75rem;
  }

  .detail-video-frame {
    height: 260px;
  }

  .film-stage {
    height: 300px;
  }

  .film-stage-overlay {
    padding: 1.25rem;
  }

  .film-stage-overlay h3 {
    font-size: 1.35rem !important;
  }

  .film-stage-overlay p {
    font-size: 0.8rem !important;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* Modal Mobile Fix */
  .modal-backdrop {
    padding: 0.75rem;
  }

  .modal-visual {
    min-height: auto;
    padding: 1.25rem;
  }

  .modal-visual img {
    height: 220px;
  }

  .modal-body {
    padding: 1.35rem;
  }

  .site-footer {
    padding: 3.5rem 0 2rem;
  }
}