/* ==========================================================================
   MAK LIGHTING - MASTER STYLESHEET
   Visual Source of Truth aligned with design/
   ========================================================================== */

:root {
  --bg-dark: #05070a;
  --bg-darker: #020305;
  --bg-card: rgba(14, 18, 26, 0.7);
  --bg-card-hover: rgba(22, 28, 42, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.18);
  --primary-blue: #3361ff;
  --primary-blue-hover: #234ee0;
  --accent-cyan: #38bdf8;
  --text-white: #ffffff;
  --text-gray: #94a3b8;
  --text-muted: #64748b;
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100%;
  line-height: 1.5;
  background-color: var(--bg-dark);
  position: relative;
}

section {
  scroll-margin-top: 75px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Utility */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-white);
  text-align: center;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-gray);
  text-align: center;
  margin-bottom: 48px;
  font-weight: 400;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(51, 97, 255, 0.35);
}

.btn-primary:hover {
  background-color: var(--primary-blue-hover);
  box-shadow: 0 6px 20px rgba(51, 97, 255, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

/* ==========================================================================
   1. INTRO SCREEN OVERLAY
   ========================================================================== */
#intro-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 1.2s;
}

#intro-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-video-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#intro-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-overlay-ui {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.6) 100%);
}

.intro-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: auto;
}

.intro-brand-tag {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  font-weight: 600;
}

.btn-sound-toggle {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-sound-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.intro-bottom-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: auto;
}

.intro-progress-container {
  width: 100%;
  height: 3px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 2px;
  overflow: hidden;
}

.intro-progress-bar {
  height: 100%;
  width: 0%;
  background: #000000;
  transition: width 0.1s linear;
}

/* ==========================================================================
   2. HEADER & NAVIGATION (section-1.png)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
  padding: 24px 0;
  background: transparent;
}

.site-header.scrolled {
  background: rgba(5, 7, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

/* Header Logo: MAK bold, LIGHTING light (section-1.png) */
.site-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
}

.site-logo .logo-mak {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #ffffff;
}

.site-logo .logo-lighting {
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 38px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.mobile-menu-toggle {
  display: none;
}

.mobile-nav-drawer {
  display: none;
}

/* ==========================================================================
   3. HERO SECTION (section-1.png)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background: radial-gradient(circle at 80% 30%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.02) 0%, transparent 40%),
              var(--bg-darker);
}

.hero-main-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
  margin-top: auto;
  margin-bottom: 24px;
}

.hero-text-col {
  max-width: 580px;
}

/* Hero Title: MAK bold, LIGHTING light & smaller (section-1.png) */
.hero-title {
  display: flex;
  align-items: baseline;
  gap: 16px;
  line-height: 1;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-title-mak {
  font-size: 3.8rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.hero-title-lighting {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.55rem;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.95);
  text-transform: uppercase;
  margin-bottom: 38px;
}

.hero-desc {
  font-size: 1.05rem;
  color: #7e9bb5;
  font-weight: 300;
  letter-spacing: 0.01em;
  margin-bottom: 36px;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex !important;
  gap: 16px !important;
  align-items: center !important;
  opacity: 1 !important;
  visibility: visible !important;
  position: relative !important;
  z-index: 10 !important;
}

.hero-cta-group .btn-primary {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: #2f5bf7 !important;
  color: #ffffff !important;
  padding: 12px 28px !important;
  border-radius: 4px !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  letter-spacing: 0.01em !important;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(47, 91, 247, 0.35) !important;
  transition: all var(--transition-fast) !important;
  cursor: pointer !important;
}

.hero-cta-group .btn-primary:hover {
  background-color: #1f47dc !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(47, 91, 247, 0.5) !important;
}

.hero-cta-group .btn-secondary {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: transparent !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.35) !important;
  padding: 12px 28px !important;
  border-radius: 4px !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  letter-spacing: 0.01em !important;
  text-decoration: none !important;
  transition: all var(--transition-fast) !important;
  cursor: pointer !important;
}

.hero-cta-group .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
  transform: translateY(-2px) !important;
}

/* Spotlight Lamp & Photometric Light Canvas (section-1.png) */
.hero-visual-col {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}

/* Full-bleed Canvas across entire Hero Section - zero clipping, natural atmospheric light wash */
.hero-spotlight-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}

.hero-lamp-container {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 360px;
  pointer-events: none;
}

/* 3D Pivoting Lamp Assembly */
.hero-lamp-assembly {
  position: absolute;
  top: 15px;
  right: 25px;
  width: 210px;
  height: 210px;
  z-index: 5;
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  perspective: 800px;
  will-change: transform;
}

.hero-lamp-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(-10px 18px 28px rgba(0, 0, 0, 0.95)) drop-shadow(0 0 16px rgba(255, 255, 255, 0.12));
  user-select: none;
  pointer-events: none;
}

/* Ambient Wall Glow behind the lamp mount */
.spotlight-wall-glow {
  position: absolute;
  top: 0px;
  right: 15px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at 60% 40%, rgba(255, 255, 255, 0.22) 0%, rgba(100, 150, 255, 0.08) 45%, transparent 70%);
  filter: blur(45px);
  pointer-events: none;
  z-index: 1;
}

/* Lens Flare at aperture center */
.spotlight-lens-flare {
  position: absolute;
  top: 52%;
  left: 32%;
  width: 50px;
  height: 50px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.8) 35%, rgba(200, 230, 255, 0) 70%);
  filter: blur(3px);
  pointer-events: none;
  z-index: 6;
}

/* Hero Bottom 4 Category Strip (section-1.png) */
.hero-bottom-strip {
  position: relative;
  z-index: 5;
  margin-top: auto;
  padding-bottom: 0;
}

.category-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.category-card {
  background: transparent;
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.category-card:hover {
  transform: translateY(-3px);
}

.category-card-img-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  overflow: hidden;
  background: #080a0f;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  position: relative;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  transition: all var(--transition-normal);
}

.category-card:hover .category-card-img-wrap {
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65);
}

.category-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-normal);
}

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

.category-card-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.01em;
  opacity: 0.95;
  transition: color var(--transition-fast);
}

.category-card:hover .category-card-title {
  color: var(--accent-cyan);
}

/* ==========================================================================
   4. PROJECTS & APPLICATIONS SECTION (section-2.png)
   ========================================================================== */
.projects-section {
  padding: 80px 0;
  background-color: var(--bg-darker);
  position: relative;
}

.projects-section .section-title {
  margin-bottom: 12px;
  text-align: center;
}

.projects-filter-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.95rem;
  font-weight: 400;
  cursor: pointer;
  padding: 4px 8px;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  color: #ffffff;
  font-weight: 600;
}

.filter-separator {
  color: rgba(255, 255, 255, 0.25);
  font-weight: 300;
  user-select: none;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
}

.project-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1.5 / 1;
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: block;
  opacity: 1;
}

.project-card:hover {
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover img {
  transform: scale(1.04);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.8) 100%);
  display: flex;
  align-items: flex-end;
  padding: 18px 24px;
}

.project-card-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.01em;
}

/* ==========================================================================
   5. OUR PRODUCTS SECTION (section-3.png)
   ========================================================================== */
.products-section {
  padding: 80px 0;
  background-color: #030406;
  position: relative;
  overflow: hidden;
}

/* Cinematic Light Beam & Glow from Top-Right (section-3.png) */
.products-light-beam {
  position: absolute;
  top: -100px;
  right: 5%;
  width: 650px;
  height: 720px;
  transform-origin: 70% 0%;
  background: conic-gradient(
    from 195deg at 70% 0%,
    transparent 0deg,
    rgba(255, 255, 255, 0.32) 14deg,
    rgba(220, 235, 255, 0.16) 28deg,
    transparent 46deg
  );
  filter: blur(24px);
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
  will-change: transform;
}

.products-ambient-glow {
  position: absolute;
  top: -60px;
  right: 8%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.24) 0%, rgba(59, 130, 246, 0.08) 45%, transparent 70%);
  filter: blur(55px);
  pointer-events: none;
  z-index: 1;
  will-change: transform;
}

.products-container {
  position: relative;
  z-index: 2;
}

.products-section .section-title {
  text-align: center;
  margin-bottom: 12px;
}

.products-section .section-subtitle {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px;
  color: #94a3b8;
  font-size: 1.05rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
}

.product-showcase-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1.55 / 1;
  background: #090c10;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: block;
  opacity: 1 !important;
  text-decoration: none;
}

.product-showcase-card:hover {
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
}

.product-showcase-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
  display: block;
}

.product-showcase-card:hover img {
  transform: scale(1.03);
}

/* Card Title Overlay at Bottom of Item (section-3.png) */
.product-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 20px 24px;
  text-align: center;
  background: linear-gradient(180deg, transparent 0%, rgba(3, 4, 6, 0.88) 100%);
  z-index: 3;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.01em;
  margin: 0;
  transition: color var(--transition-fast);
}

.product-showcase-card:hover .product-card-title {
  color: var(--accent-cyan);
}

/* ==========================================================================
   6. TECHNOLOGY & SUSTAINABILITY (section-4.png)
   ========================================================================== */
.tech-section {
  padding: 80px 0 0 0;
  background-color: var(--bg-darker);
  position: relative;
  overflow: hidden;
}

/* Single Unified Interactive Light Beam covering entire Section 4 (section-4.png) */
.tech-light-beam {
  position: absolute;
  top: -80px;
  left: 50%;
  width: 780px;
  height: 1450px;
  transform: translateX(-50%);
  transform-origin: 50% 0%;
  background: conic-gradient(
    from 162deg at 50% 0%,
    transparent 0deg,
    rgba(255, 255, 255, 0.32) 13deg,
    rgba(210, 235, 255, 0.16) 24deg,
    transparent 38deg
  );
  filter: blur(24px);
  pointer-events: none;
  z-index: 10;
  mix-blend-mode: screen;
  will-change: transform;
}

.tech-ambient-glow {
  position: absolute;
  top: -50px;
  left: 50%;
  width: 520px;
  height: 520px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28) 0%, rgba(59, 130, 246, 0.1) 45%, transparent 70%);
  filter: blur(55px);
  pointer-events: none;
  z-index: 9;
  will-change: transform;
}

.tech-container {
  position: relative;
  z-index: 4;
}

.tech-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 50px;
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}

.tech-card {
  background: #090c12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-normal);
  aspect-ratio: 1.08 / 1;
  justify-content: space-between;
  opacity: 1 !important;
  cursor: pointer;
}

.tech-card:hover {
  background: #0f141f;
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
}

.tech-card-img-wrap {
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.tech-card-img-wrap img {
  max-height: 125px;
  max-width: 90%;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

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

.tech-card-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.01em;
  margin: 0;
  transition: color var(--transition-fast);
}

.tech-card:hover .tech-card-title {
  color: var(--accent-cyan);
}

/* Sustainability Banner (Left text, Right Earth without baked light) */
.sustainability-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #03050a;
  max-width: 1240px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.sustainability-content {
  position: relative;
  z-index: 3;
  padding: 48px 48px 48px 60px;
  max-width: 520px;
  flex-shrink: 0;
}

.sustainability-title {
  font-size: 2.4rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.sustainability-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.sustainability-earth-wrap {
  position: relative;
  flex: 1;
  height: 100%;
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  overflow: hidden;
}

.sustainability-earth-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right bottom;
  display: block;
}

/* ==========================================================================
   7. ABOUT MAK LIGHTING (section-6.png)
   ========================================================================== */
.about-section {
  padding: 80px 0;
  background-color: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

/* Center Ambient Light Beam (section-6.png) */
.about-center-beam {
  position: absolute;
  top: -80px;
  left: 50%;
  width: 720px;
  height: 850px;
  transform: translateX(-50%);
  background: conic-gradient(
    from 165deg at 50% 0%,
    transparent 0deg,
    rgba(255, 255, 255, 0.16) 10deg,
    rgba(148, 163, 184, 0.22) 15deg,
    rgba(100, 116, 139, 0.12) 22deg,
    transparent 32deg
  );
  filter: blur(36px);
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}

.about-center-glow {
  position: absolute;
  top: 60px;
  left: 50%;
  width: 620px;
  height: 520px;
  transform: translateX(-50%);
  background: radial-gradient(
    circle at 50% 40%,
    rgba(255, 255, 255, 0.14) 0%,
    rgba(148, 163, 184, 0.12) 30%,
    rgba(30, 41, 59, 0.06) 60%,
    transparent 75%
  );
  filter: blur(45px);
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}

.about-container {
  position: relative;
  z-index: 2;
}

.about-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 48px;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
}

/* Left column: Lamp & Minimal Metrics */
.about-stats-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about-lamp-box {
  position: relative;
  width: 225px;
  height: 215px;
  margin-bottom: 24px;
}

.about-lamp-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.9));
  transition: transform var(--transition-normal);
}

.about-lamp-box:hover .about-lamp-img {
  transform: scale(1.04) rotate(-2deg);
}

.about-metrics-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

.about-metric-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.about-metric-row:nth-child(3),
.about-metric-row:nth-child(4) {
  align-items: flex-start;
}

.about-metric-icon {
  width: 24px;
  height: 24px;
  color: #94a3b8;
  stroke-width: 1.6;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-metric-content-inline {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.about-metric-num {
  font-size: 1.95rem;
  font-weight: 500;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.01em;
}

.about-metric-unit {
  font-size: 1.05rem;
  font-weight: 400;
  color: #ffffff;
  line-height: 1;
  margin-left: -4px;
}

.about-metric-label {
  font-size: 0.95rem;
  font-weight: 400;
  color: #94a3b8;
  letter-spacing: 0.01em;
}

.about-metric-content-stacked {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.about-metric-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.about-metric-sub {
  font-size: 0.85rem;
  font-weight: 400;
  color: #94a3b8;
  letter-spacing: 0.01em;
}

/* Right Column: 3-Image Collage (section-6.png) */
.about-media-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.about-img-main {
  width: 100%;
  aspect-ratio: 556 / 254;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #090c12;
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
}

.about-img-main:hover img {
  transform: scale(1.03);
}

.about-img-subgrid {
  display: grid;
  grid-template-columns: 1.23fr 1fr;
  gap: 16px;
  width: 100%;
}

.about-img-thumb {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #090c12;
}

.about-img-engineers {
  aspect-ratio: 298 / 206;
}

.about-img-wiring {
  aspect-ratio: 242 / 206;
}

.about-img-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
}

.about-img-thumb:hover img {
  transform: scale(1.04);
}

/* ==========================================================================
   8. CONTACT US (section-5.png)
   ========================================================================== */
.contact-section {
  padding: 80px 0 0 0;
  background-color: #04060a;
  position: relative;
  overflow: hidden;
}

.contact-section-wrapper {
  position: relative;
  z-index: 2;
}

/* Floor Light Pool Reflection (section-5.png) */
.contact-floor-glow {
  position: absolute;
  bottom: 0;
  left: 56%;
  width: 780px;
  height: 80px;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse 65% 50% at 50% 100%,
    rgba(255, 255, 255, 0.45) 0%,
    rgba(200, 220, 255, 0.2) 35%,
    transparent 75%
  );
  filter: blur(20px);
  pointer-events: none;
  z-index: 1;
  will-change: transform;
}

/* Spotlight Luminaire & Photometric Light Beam in Contact (Image 2) */
.contact-lighting-system {
  position: absolute;
  top: 5px;
  right: 40px;
  z-index: 5;
  pointer-events: none;
}

.contact-spotlight-rig {
  position: relative;
  width: 175px;
  height: 175px;
  transform-origin: 50% 50%;
  will-change: transform;
}

.contact-lamp-spot {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.95));
  display: block;
  z-index: 2;
}

.contact-beam {
  position: absolute;
  top: 85px;
  left: 55px;
  width: 720px;
  height: 820px;
  transform: translate(-100%, 0);
  transform-origin: 100% 0%;
  background: conic-gradient(
    from 215deg at 100% 0%,
    transparent 0deg,
    rgba(255, 255, 255, 0.45) 10deg,
    rgba(220, 240, 255, 0.22) 22deg,
    transparent 38deg
  );
  filter: blur(18px);
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 1;
}

/* Glassmorphism Card (section-5.png) */
.contact-card-box {
  background: rgba(14, 18, 28, 0.62);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  padding: 48px 52px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 52px;
  position: relative;
  z-index: 3;
  max-width: 1040px;
  margin: 0 auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.contact-info-col {
  display: flex;
  flex-direction: column;
}

.contact-info-title {
  font-size: 1.35rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.contact-info-desc {
  font-size: 0.92rem;
  font-weight: 400;
  color: #94a3b8;
  margin-bottom: 34px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 38px;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  width: 20px;
  height: 20px;
  color: #94a3b8;
  stroke-width: 1.8;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-text-main {
  font-size: 0.95rem;
  font-weight: 400;
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-text-main:hover {
  color: var(--accent-cyan);
}

.contact-text-sub {
  font-size: 0.85rem;
  color: #94a3b8;
}

.contact-socials-wrap {
  margin-top: auto;
}

.contact-socials-title {
  font-size: 0.92rem;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 12px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #e2e8f0;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.social-btn svg {
  width: 18px;
  height: 18px;
  display: block;
  flex-shrink: 0;
  stroke: currentColor;
}

.social-btn:hover {
  background: #2e6ee8;
  border-color: #2e6ee8;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 110, 232, 0.4);
}

/* Right Column: Contact Form */
.contact-form-col {
  display: flex;
  flex-direction: column;
}

.contact-form-title {
  font-size: 1.35rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  position: relative;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(10, 13, 20, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: #ffffff;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(51, 97, 255, 0.25);
  background: rgba(14, 18, 28, 0.9);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #64748b;
  font-size: 0.9rem;
}

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  color: #64748b;
}

.form-select:focus {
  color: #ffffff;
}

.form-select option {
  background: #0b0e14;
  color: #ffffff;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-btn-wrap {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.btn-submit-form {
  background: #2e6ee8;
  color: #ffffff;
  padding: 12px 36px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 14px rgba(46, 110, 232, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-submit-form:hover {
  background: #1d58c8;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(46, 110, 232, 0.5);
}

/* ==========================================================================
   9. FOOTER & CATALOGUE SPREAD (footer.png - Full Width & Interactive)
   ========================================================================== */
.site-footer {
  padding: 0;
  background: #020304;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  width: 100%;
}

.footer-book-spread {
  position: relative;
  width: 100%;
  min-height: 720px;
  background-color: #08090d;
  background-image: 
    radial-gradient(ellipse 60% 80% at 75% 35%, rgba(255, 255, 255, 0.04) 0%, transparent 70%),
    linear-gradient(180deg, #090b0f 0%, #06070a 100%);
  display: grid;
  grid-template-columns: 1fr 50px 1fr;
  overflow: hidden;
  user-select: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Left Cover (Back Cover) */
.book-cover-left {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 80px 80px 60px 100px;
}

.book-cover-left-center {
  margin: auto 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.book-brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0 auto;
}

.book-m-logo {
  width: 82px;
  height: auto;
  display: block;
  margin: 0 auto 16px auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.8));
}

.book-brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 5px;
  text-align: center;
}

.book-brand-tagline {
  font-size: 0.72rem;
  font-weight: 400;
  color: #94a3b8;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  text-align: center;
}

/* Bottom Left Contact & QR */
.book-cover-left-bottom {
  display: flex;
  align-items: flex-end;
  gap: 24px;
}

.book-contact-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.book-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: #94a3b8;
}

.book-contact-item svg {
  width: 15px;
  height: 15px;
  color: #64748b;
  flex-shrink: 0;
}

.book-qr-divider {
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.14);
  margin-bottom: 2px;
}

.book-qr-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.book-qr-img {
  width: 50px;
  height: 50px;
  display: block;
  border-radius: 2px;
  background: #ffffff;
  padding: 2px;
}

.book-qr-label {
  font-size: 0.62rem;
  font-weight: 500;
  color: #94a3b8;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

/* Center Spine with physical groove crease lines (footer.png) */
.book-spine {
  position: relative;
  width: 54px;
  background: linear-gradient(
    90deg,
    #050608 0%,
    #11141c 15%,
    #242938 48%,
    #131620 52%,
    #0c0e14 85%,
    #040507 100%
  );
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 
    -10px 0 25px rgba(0, 0, 0, 0.95),
    10px 0 25px rgba(0, 0, 0, 0.95);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 60px 0 45px;
  z-index: 3;
}

.spine-groove-left {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -6px;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 2px 0 4px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

.spine-groove-right {
  position: absolute;
  top: 0;
  bottom: 0;
  right: -6px;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: -2px 0 4px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

.spine-m-logo {
  width: 18px;
  height: auto;
  opacity: 0.85;
}

.spine-title {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: #94a3b8;
  white-space: nowrap;
}

.spine-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}

.edition-year {
  font-size: 0.76rem;
  font-weight: 600;
  color: #cbd5e1;
  letter-spacing: 0.12em;
}

.edition-text {
  font-size: 0.62rem;
  font-weight: 500;
  color: #64748b;
  letter-spacing: 0.12em;
}

/* Right Cover (Front Cover) */
.book-cover-right {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 80px 100px 60px 80px;
  z-index: 2;
}

.book-cover-right-top {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 15px;
}

.book-cover-right-center {
  margin-top: auto;
  margin-bottom: 50px;
}

.book-accent-line {
  width: 44px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.35);
  margin-bottom: 24px;
}

.book-catalogue-title {
  white-space: nowrap;
  font-size: clamp(1.8rem, 2.7vw, 2.6rem);
  font-weight: 300;
  letter-spacing: 0.38em;
  color: #ffffff;
  text-transform: uppercase;
  margin-bottom: 12px;
  line-height: 1;
}

.book-catalogue-sub {
  white-space: nowrap;
  font-size: clamp(0.75rem, 0.95vw, 0.88rem);
  font-weight: 400;
  letter-spacing: 0.28em;
  color: #94a3b8;
  text-transform: uppercase;
}

.book-cover-right-bottom {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Spotlight Rig & Beam on Footer (footer.png) */
.footer-lamp-rig {
  position: absolute;
  top: -15px;
  right: 24%;
  width: 180px;
  height: 220px;
  z-index: 6;
  pointer-events: none;
  transform-origin: 100px 118px;
  will-change: transform;
}

.footer-lamp-spot {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.95));
  z-index: 2;
  display: block;
}

.footer-lamp-lens-glow {
  position: absolute;
  top: 118px;
  left: 100px;
  width: 75px;
  height: 46px;
  transform: translate(-50%, -50%) rotate(-32deg);
  border-radius: 50%;
  background: radial-gradient(
    ellipse at 50% 50%,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.6) 35%,
    rgba(210, 235, 255, 0.2) 65%,
    transparent 100%
  );
  filter: blur(5px);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 3;
}

.footer-beam {
  position: absolute;
  top: 118px;
  left: 100px;
  width: 920px;
  height: 1020px;
  transform: translate(-100%, 0);
  transform-origin: 100% 0%;
  background: conic-gradient(
    from 205deg at 100% 0%,
    transparent 0deg,
    rgba(255, 255, 255, 0.55) 8deg,
    rgba(255, 255, 255, 0.35) 18deg,
    rgba(215, 235, 255, 0.15) 30deg,
    transparent 44deg
  );
  filter: blur(20px);
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 1;
}

.footer-beam-glow {
  position: absolute;
  top: 220px;
  left: -200px;
  width: 520px;
  height: 420px;
  background: radial-gradient(
    ellipse 65% 55% at 50% 50%,
    rgba(255, 255, 255, 0.38) 0%,
    rgba(180, 215, 255, 0.16) 45%,
    transparent 75%
  );
  filter: blur(35px);
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 1;
}

/* Bottom Bar */
.footer-bottom-bar-full {
  background: #020304;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  font-size: 0.85rem;
  color: #64748b;
  position: relative;
  z-index: 4;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy-text {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #64748b;
  font-size: 0.85rem;
}

.footer-copy-sep {
  display: inline;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: #64748b;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Responsive Footer */
@media (max-width: 992px) {
  .footer-book-spread {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .book-spine {
    display: none;
  }
  .book-cover-left, .book-cover-right {
    padding: 40px 24px;
  }
  .book-cover-right-center {
    margin-top: 30px;
    margin-bottom: 30px;
  }
  .book-catalogue-title {
    font-size: 1.8rem;
  }
  .footer-lamp-rig {
    right: 5%;
    transform: scale(0.85);
  }
}

/* ==========================================================================
   10. MODAL & TOAST NOTIFICATION
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9990;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-box {
  background: #0f131c;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  padding: 36px;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-box {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  color: var(--text-gray);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: #fff;
}

/* Toast */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(14, 18, 26, 0.95);
  border: 1px solid var(--primary-blue);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   11. RESPONSIVE BREAKPOINTS (Mobile & Tablet Optimization)
   Desktop (> 992px) is preserved 100% without modification.
   ========================================================================== */

/* Prevent any horizontal overflow on all screen sizes */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

body.mobile-nav-open {
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Tablet & Mobile Breakpoint (<= 992px)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  /* 0. Disable Intro Screen on Mobile & Tablet */
  #intro-screen {
    display: none !important;
  }

  /* 1. Header & Mobile Navigation Drawer */
  .site-nav {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    cursor: pointer;
    z-index: 1002;
    transition: all var(--transition-fast);
  }

  .mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
  }

  .hamburger-line {
    width: 20px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
  }

  .mobile-menu-toggle.is-active .line-1 {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-menu-toggle.is-active .line-2 {
    opacity: 0;
    transform: scaleX(0);
  }

  .mobile-menu-toggle.is-active .line-3 {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Full-Width Mobile Navigation Drawer */
  .mobile-nav-drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(3, 5, 8, 0.96);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    z-index: 1001;
    padding-top: 90px;
    padding-bottom: 36px;
    overflow-y: auto;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.35s ease,
                visibility 0.4s;
  }

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

  .mobile-nav-inner {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: calc(100vh - 126px);
    min-height: calc(100dvh - 126px);
  }

  .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    text-decoration: none;
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 500;
    transition: all var(--transition-fast);
  }

  .mobile-nav-link:hover,
  .mobile-nav-link:active {
    background: rgba(46, 110, 232, 0.15);
    border-color: rgba(46, 110, 232, 0.4);
    transform: translateX(4px);
  }

  .mobile-nav-num {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 0.1em;
    margin-right: 14px;
  }

  .mobile-nav-text {
    flex: 1;
  }

  .mobile-nav-arrow {
    color: #64748b;
    transition: transform var(--transition-fast);
  }

  .mobile-nav-link:hover .mobile-nav-arrow {
    color: #ffffff;
    transform: translateX(3px);
  }

  .mobile-nav-footer {
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .btn-mobile-cta {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
    font-size: 1rem;
    justify-content: center;
  }

  .mobile-nav-contact-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
    color: #94a3b8;
    text-align: center;
  }

  /* 2. Hero Section */
  .hero-section {
    padding-top: 95px;
    padding-bottom: 30px;
    min-height: auto;
    justify-content: flex-start;
    gap: 16px;
  }

  .hero-main-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0;
    margin-top: 0;
    margin-bottom: 8px;
  }

  .hero-text-col {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-title {
    justify-content: center;
    align-items: baseline;
    gap: 10px;
    white-space: nowrap;
    flex-wrap: nowrap;
  }

  .hero-title-mak {
    font-size: clamp(2.2rem, 6vw, 3.2rem);
    white-space: nowrap;
  }

  .hero-title-lighting {
    font-size: clamp(1.5rem, 4.2vw, 2.2rem);
    white-space: nowrap;
  }

  .hero-subtitle {
    font-size: clamp(1.1rem, 3.2vw, 1.4rem);
    margin-bottom: 20px;
    letter-spacing: 0.14em;
  }

  .hero-desc {
    font-size: 0.95rem;
    margin-bottom: 24px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 0;
  }

  .hero-visual-col {
    min-height: auto;
    max-height: none;
    height: auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    padding-right: 20px;
    margin-top: 8px;
    margin-bottom: 8px;
    width: 100%;
  }

  .hero-lamp-container {
    position: relative;
    width: auto;
    height: auto;
    max-width: none;
    display: flex;
    justify-content: flex-end;
  }

  .hero-lamp-assembly {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    margin: 0;
    width: 110px;
    height: 110px;
    transform: none !important;
    pointer-events: none;
    z-index: 5;
  }

  .hero-bottom-strip {
    margin-top: 0;
  }

  .category-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  /* 3. Products Section */
  .products-section {
    padding: 60px 0;
  }

  .products-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
    justify-content: flex-start;
    scrollbar-width: none;
  }

  .products-filter::-webkit-scrollbar {
    display: none;
  }

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

  .products-section {
    overflow: hidden;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-showcase-card {
    aspect-ratio: 1 / 1;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    background: #090c10;
  }

  .product-card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 10px 14px;
    background: linear-gradient(180deg, transparent 0%, rgba(3, 4, 6, 0.88) 35%, rgba(3, 4, 6, 0.98) 100%);
    text-align: center;
  }

  .product-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    color: #ffffff;
    margin: 0;
  }

  /* 4. Projects Section */
  .projects-section {
    padding: 60px 0;
    overflow: hidden;
  }

  .projects-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
    justify-content: flex-start;
    scrollbar-width: none;
  }

  .projects-filter::-webkit-scrollbar {
    display: none;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* 5. Tech & Sustainability Section */
  .tech-section {
    padding: 60px 0 0 0;
    overflow: hidden;
  }

  .tech-light-beam {
    width: 100%;
    max-width: 380px;
    height: 700px;
  }

  .tech-ambient-glow {
    width: 100%;
    max-width: 340px;
    height: 340px;
  }

  .tech-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .tech-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    aspect-ratio: 1 / 1.05;
    padding: 16px 10px 14px;
    overflow: hidden;
  }

  .tech-card-title {
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.25;
    text-align: center;
    width: 100%;
    word-break: normal;
    overflow-wrap: break-word;
  }

  .sustainability-split {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
    padding-top: 40px;
  }

  .sustainability-text-col {
    max-width: 100%;
    margin: 0 auto;
  }

  .sustainability-earth-col {
    min-height: 260px;
  }

  .earth-img {
    max-width: 320px;
    margin: 0 auto;
  }

  /* 6. About Us Section */
  .about-section {
    padding: 60px 0;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-stats-col {
    align-items: center;
    width: 100%;
  }

  .about-lamp-box {
    width: 110px;
    height: 105px;
    margin: 0 auto 20px;
  }

  .about-lamp-img {
    filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.85));
  }

  .about-metrics-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    width: 100%;
  }

  .about-metric-row {
    background: rgba(14, 18, 28, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 14px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .about-metric-row:nth-child(3),
  .about-metric-row:nth-child(4) {
    align-items: flex-start;
  }

  .about-metric-num {
    font-size: 1.55rem;
  }

  .about-metric-label {
    font-size: 0.82rem;
  }

  .about-metric-title {
    font-size: 0.88rem;
  }

  .about-metric-sub {
    font-size: 0.78rem;
  }

  .about-media-col {
    gap: 14px;
    margin-top: 6px;
  }

  /* 7. Contact Us Section */
  .contact-section {
    padding: 60px 0 0 0;
  }

  .contact-card-box {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 36px 24px;
  }

  .contact-info-col {
    text-align: center;
  }

  .contact-info-list {
    align-items: center;
  }

  .contact-item {
    justify-content: center;
  }

  .contact-socials-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    margin-top: 20px;
  }

  .contact-socials-title {
    text-align: center;
    width: 100%;
    margin-bottom: 12px;
  }

  .social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    width: 100%;
  }

  .contact-section .section-subtitle {
    max-width: 320px;
    margin: 0 auto 30px;
    text-align: center;
  }

  .contact-lighting-system {
    position: absolute;
    top: -24px;
    right: 14px;
    z-index: 6;
    pointer-events: none;
  }

  .contact-spotlight-rig {
    width: 80px;
    height: 80px;
    transform: none !important;
    pointer-events: none;
  }

  .contact-beam {
    top: 46px;
    left: 30px;
    width: 440px;
    height: 520px;
    transform: translate(-100%, 0);
    transform-origin: 100% 0%;
    opacity: 0.92;
    pointer-events: none;
  }

  .contact-floor-glow {
    display: none;
  }

  /* 8. Footer Catalogue Spread */
  .footer-book-spread {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .book-spine {
    display: none;
  }

  .book-cover-left, .book-cover-right {
    padding: 48px 24px;
  }

  .book-cover-right-top {
    margin-top: 0;
  }

  .book-cover-right-center {
    margin-top: 24px;
    margin-bottom: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .book-accent-line {
    margin-left: auto;
    margin-right: auto;
  }

  .book-catalogue-title {
    font-size: clamp(1.25rem, 4.5vw, 1.6rem);
    letter-spacing: 0.12em;
    text-align: center;
    width: 100%;
    margin: 0 auto 12px;
  }

  .book-catalogue-sub {
    font-size: clamp(0.7rem, 2.2vw, 0.8rem);
    letter-spacing: 0.12em;
    text-align: center;
    width: 100%;
    margin: 0 auto;
  }

  .book-cover-right-bottom {
    align-items: center;
  }

  .book-cover-left-bottom {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
  }

  .book-contact-list {
    align-items: center;
  }

  .book-contact-item {
    justify-content: center;
  }

  .book-qr-divider {
    width: 60px;
    height: 1px;
    margin: 4px auto;
  }

  .footer-lamp-rig {
    display: block !important;
    top: 15px;
    right: 15px;
    transform: scale(0.65) !important;
    transform-origin: 100px 118px;
    pointer-events: none;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer-copy-text {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
    font-size: 0.8rem;
    line-height: 1.4;
  }

  .footer-copy-sep {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Mobile Phones Breakpoint (<= 576px)
   -------------------------------------------------------------------------- */
@media (max-width: 576px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-header {
    padding: 14px 0;
  }

  .site-header.scrolled {
    padding: 12px 0;
  }

  .hero-section {
    padding-top: 75px;
    padding-bottom: 20px;
    gap: 10px;
  }

  .hero-title {
    flex-direction: row;
    flex-wrap: nowrap;
    white-space: nowrap;
    justify-content: center;
    align-items: baseline;
    gap: 8px;
  }

  .hero-title-mak {
    font-size: clamp(1.65rem, 6.2vw, 2.4rem);
    white-space: nowrap;
  }

  .hero-title-lighting {
    font-size: clamp(1.15rem, 4.3vw, 1.65rem);
    white-space: nowrap;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    letter-spacing: 0.12em;
    margin-bottom: 18px;
  }

  .hero-desc {
    font-size: 0.88rem;
    margin-bottom: 24px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .hero-cta-group .btn {
    width: 100%;
    text-align: center;
  }

  .category-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .category-card-title {
    font-size: 0.72rem;
    padding: 8px 4px;
  }

  .section-title {
    font-size: 1.65rem;
  }

  .section-subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.16em;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-showcase-card {
    aspect-ratio: 1 / 1.08;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    background: #090c10;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .product-showcase-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .product-card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 6px 12px;
    background: linear-gradient(180deg, transparent 0%, rgba(3, 4, 6, 0.82) 30%, rgba(3, 4, 6, 0.96) 100%);
    text-align: center;
    box-sizing: border-box;
  }

  .product-card-title {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.25;
    color: #ffffff;
    margin: 0;
    text-align: center;
    word-break: normal;
    overflow-wrap: break-word;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .tech-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 24px;
  }

  .tech-card {
    padding: 16px 10px 14px;
    aspect-ratio: 1 / 1.05;
    border-radius: 6px;
  }

  .tech-card-img-wrap {
    margin-bottom: 8px;
  }

  .tech-card-img-wrap img {
    max-height: 65px;
    width: auto;
    object-fit: contain;
  }

  .tech-card-title {
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.25;
  }

  .about-section {
    padding: 48px 0;
  }

  .about-layout {
    gap: 22px;
  }

  .about-lamp-box {
    width: 90px;
    height: 85px;
    margin: 0 auto 16px;
  }

  .about-metrics-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .about-metric-row {
    padding: 12px 10px;
    gap: 6px;
    border-radius: 6px;
  }

  .about-metric-icon {
    width: 20px;
    height: 20px;
  }

  .about-metric-num {
    font-size: 1.4rem;
  }

  .about-metric-unit {
    font-size: 0.9rem;
  }

  .about-metric-label {
    font-size: 0.76rem;
    line-height: 1.25;
  }

  .about-metric-title {
    font-size: 0.82rem;
    line-height: 1.25;
  }

  .about-metric-sub {
    font-size: 0.72rem;
  }

  .about-img-main {
    aspect-ratio: 16 / 9;
  }

  .about-img-subgrid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .form-row-2col {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .btn-submit-form {
    width: 100%;
  }

  .hero-visual-col {
    min-height: auto;
    max-height: none;
    height: auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 14px;
    margin-top: 6px;
    margin-bottom: 6px;
  }

  .hero-lamp-container {
    position: relative;
    width: auto;
    height: auto;
    max-width: none;
    display: flex;
    justify-content: flex-end;
  }

  .hero-lamp-assembly {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    margin: 0;
    width: 85px;
    height: 85px;
  }

  .contact-section .section-subtitle {
    max-width: 220px;
    margin: 0 auto 24px;
    text-align: center;
  }

  .contact-lighting-system {
    top: -24px;
    right: 4px;
  }

  .contact-spotlight-rig {
    width: 60px;
    height: 60px;
    transform: none !important;
  }

  .contact-beam {
    top: 32px;
    left: 20px;
    width: 320px;
    height: 400px;
    opacity: 0.88;
  }

  .contact-socials-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    margin-top: 20px;
  }

  .contact-socials-title {
    text-align: center;
    width: 100%;
    margin-bottom: 12px;
  }

  .social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    width: 100%;
  }

  .book-cover-left, .book-cover-right {
    padding: 36px 18px;
  }

  .book-cover-right-center {
    margin-top: 20px;
    margin-bottom: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .book-catalogue-title {
    font-size: clamp(1.15rem, 4.4vw, 1.35rem);
    letter-spacing: 0.08em;
    text-align: center;
    width: 100%;
    margin: 0 auto 10px;
    white-space: nowrap;
  }

  .book-catalogue-sub {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-align: center;
    width: 100%;
    margin: 0 auto;
    white-space: nowrap;
  }

  .footer-lamp-rig {
    display: block !important;
    top: 8px;
    right: 6px;
    transform: scale(0.48) !important;
    transform-origin: 100px 118px;
    pointer-events: none;
  }

  .footer-beam {
    width: 300px;
    height: 350px;
    opacity: 0.8;
  }

  .footer-copy-text {
    font-size: 0.76rem;
    gap: 3px;
  }

  .footer-bottom-links {
    flex-direction: column;
    gap: 8px;
  }
}

/* --------------------------------------------------------------------------
   Small Mobile Devices Breakpoint (<= 375px)
   Ultra-precision typography, zero layout shifts, zero text drop
   -------------------------------------------------------------------------- */
@media (max-width: 375px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  /* 1. Header */
  .site-header {
    padding: 12px 0;
  }

  .logo-mak {
    font-size: 1.25rem;
  }

  .logo-lighting {
    font-size: 1.05rem;
  }

  /* 2. Hero Section */
  .hero-section {
    padding-top: 68px;
    padding-bottom: 16px;
    gap: 10px;
  }

  .hero-title {
    gap: 6px;
  }

  .hero-title-mak {
    font-size: 1.85rem;
    white-space: nowrap;
  }

  .hero-title-lighting {
    font-size: 1.25rem;
    white-space: nowrap;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    letter-spacing: 0.1em;
    white-space: nowrap;
    margin-bottom: 14px;
  }

  .hero-desc {
    font-size: 0.82rem;
    margin-bottom: 16px;
    line-height: 1.4;
  }

  .hero-cta-group {
    gap: 8px;
  }

  .hero-cta-group .btn {
    padding: 10px 18px;
    font-size: 0.88rem;
  }

  .hero-visual-col {
    padding-right: 6px;
    margin-top: 4px;
    margin-bottom: 4px;
  }

  .hero-lamp-assembly {
    width: 76px;
    height: 76px;
  }

  .category-cards-grid {
    gap: 8px;
  }

  .category-card-title {
    font-size: 0.68rem;
    padding: 6px 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    text-align: center;
  }

  /* 3. Products & Projects */
  .section-title {
    font-size: 1.45rem;
  }

  .section-subtitle {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    line-height: 1.4;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-showcase-card {
    aspect-ratio: 1 / 1.08;
    border-radius: 6px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-card-info {
    padding: 8px 4px 10px;
  }

  .product-card-title {
    font-size: 0.74rem;
    line-height: 1.2;
    font-weight: 600;
  }

  .project-overlay-title {
    font-size: 1.05rem;
  }

  /* 4. Technology & Sustainability */
  .tech-section {
    padding-top: 60px;
  }

  .tech-cards-grid {
    gap: 8px;
    margin-bottom: 18px;
  }

  .tech-card {
    padding: 10px 4px 8px;
    aspect-ratio: 1 / 1.08;
    overflow: hidden;
  }

  .tech-card-img-wrap img {
    max-height: 48px;
  }

  .tech-card-title {
    font-size: 0.72rem;
    line-height: 1.15;
    font-weight: 500;
  }

  .sustainability-title {
    font-size: 1.4rem;
  }

  .sustainability-subtitle {
    font-size: 0.8rem;
    line-height: 1.4;
  }

  .sustainability-earth-wrap {
    max-width: 230px;
    margin: 0 auto;
  }

  /* 5. About Us */
  .about-section {
    padding: 40px 0;
  }

  .about-layout {
    gap: 18px;
  }

  .about-lamp-box {
    width: 80px;
    height: 76px;
    margin: 0 auto 14px;
  }

  .about-metrics-list {
    gap: 8px;
  }

  .about-metric-row {
    padding: 10px 8px;
    gap: 4px;
  }

  .about-metric-icon {
    width: 18px;
    height: 18px;
  }

  .about-metric-num {
    font-size: 1.25rem;
  }

  .about-metric-unit {
    font-size: 0.82rem;
  }

  .about-metric-label {
    font-size: 0.7rem;
    line-height: 1.2;
  }

  .about-metric-title {
    font-size: 0.75rem;
    line-height: 1.2;
  }

  .about-metric-sub {
    font-size: 0.66rem;
  }

  /* 6. Contact Us */
  .contact-section .section-subtitle {
    max-width: 200px;
    margin: 0 auto 20px;
    text-align: center;
    font-size: 0.75rem;
  }

  .contact-card-box {
    padding: 22px 12px;
    gap: 20px;
  }

  .contact-info-col {
    padding-right: 0;
    text-align: center;
  }

  .contact-info-title {
    font-size: 1.15rem;
  }

  .contact-item-text {
    font-size: 0.8rem;
    word-break: break-word;
  }

  .contact-socials-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    margin-top: 18px;
  }

  .contact-socials-title {
    text-align: center;
    width: 100%;
    margin-bottom: 10px;
  }

  .social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    width: 100%;
  }

  .contact-lighting-system {
    top: -22px;
    right: 2px;
  }

  .contact-spotlight-rig {
    width: 52px;
    height: 52px;
  }

  .contact-beam {
    top: 26px;
    left: 16px;
    width: 280px;
    height: 350px;
  }

  /* 7. Footer Catalogue Spread */
  .book-cover-left, .book-cover-right {
    padding: 30px 12px;
  }

  .book-cover-right-top .book-brand-lockup {
    display: none;
  }

  .book-cover-right-center {
    margin-top: 18px;
    margin-bottom: 18px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .book-catalogue-title {
    font-size: 1.15rem;
    letter-spacing: 0.06em;
    text-align: center;
    width: 100%;
    margin: 0 auto 8px;
    white-space: nowrap;
  }

  .book-catalogue-sub {
    font-size: 0.64rem;
    letter-spacing: 0.08em;
    text-align: center;
    width: 100%;
    margin: 0 auto;
    white-space: nowrap;
  }

  .book-contact-item {
    font-size: 0.74rem;
    word-break: break-word;
  }

  .footer-lamp-rig {
    transform: scale(0.42) !important;
    right: 2px;
    top: 4px;
  }

  .footer-beam {
    width: 260px;
    height: 300px;
  }

  .footer-bottom-copy, .footer-bottom-link {
    font-size: 0.72rem;
  }
}