/* ==========================================
   LEON MACHINING - MODERN INDUSTRIAL STYLES
   ========================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #1e293b;
  --bg-card-hover: #26334d;
  
  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-amber-glow: rgba(245, 158, 11, 0.25);
  
  --accent-blue: #06b6d4;
  --accent-blue-glow: rgba(6, 182, 212, 0.2);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(245, 158, 11, 0.5);
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Space Grotesk', sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 10px 30px rgba(245, 158, 11, 0.15);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-amber);
}

/* Layout Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Glassmorphism Panel */
.glass-panel {
  background: rgba(17, 24, 39, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.glass-card {
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}
.glass-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  background: rgba(30, 41, 59, 0.75);
}

/* Utility Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-amber {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-amber-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-blue {
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-header h2 {
  font-size: 2.6rem;
  margin: 0.75rem 0 1rem 0;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  text-align: center;
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-amber) 0%, #d97706 100%);
  color: #000000;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, #fbbf24 0%, var(--accent-amber) 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-amber);
  color: var(--accent-amber-light);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  background: #20ba5a;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

/* MAIN HEADER & NAVBAR */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition-normal);
  padding: 0.6rem 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-amber) 0%, #b45309 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #000;
  font-size: 1.4rem;
  box-shadow: 0 0 15px var(--accent-amber-glow);
}
.logo-text h1 {
  font-size: 1.35rem;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}
.logo-text h1 span {
  color: var(--accent-amber);
}
.logo-text p {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}
.nav-link:hover, .nav-link.active {
  color: #ffffff;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-amber);
  transition: width 0.3s ease;
  border-radius: 2px;
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO SECTION */
.hero {
  position: relative;
  padding: 5.5rem 0 6.5rem 0;
  background: radial-gradient(circle at 75% 25%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
              radial-gradient(circle at 15% 75%, rgba(6, 182, 212, 0.06) 0%, transparent 45%),
              var(--bg-primary);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.3rem;
  line-height: 1.15;
  margin: 1.2rem 0;
}

.hero-content h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-amber-light) 0%, var(--accent-amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.stat-item {
  padding: 1rem 1.2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 1.9rem;
  color: var(--accent-amber);
  margin-bottom: 0.1rem;
}

.stat-item p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.hero-visual {
  position: relative;
}

.visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.visual-card img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.visual-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(11, 15, 25, 0.95) 0%, transparent 100%);
}

.visual-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber-light);
  border: 1px solid var(--accent-amber);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* ABOUT SECTION */
.about {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

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

.about-image-wrapper {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-subtle);
}

.about-badge-floating {
  position: absolute;
  bottom: -20px;
  right: -20px;
  padding: 1.25rem 1.5rem;
  max-width: 270px;
  border-color: var(--accent-amber);
}

.about-badge-floating h4 {
  font-size: 1.7rem;
  color: var(--accent-amber);
}

.about-text h2 {
  font-size: 2.2rem;
  margin: 0.8rem 0 1.2rem 0;
  line-height: 1.25;
}

.lead-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.highlight-box {
  background: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--accent-amber);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}

.highlight-box i {
  color: var(--accent-amber);
  font-size: 1.4rem;
  margin-top: 2px;
}

.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.mv-card {
  padding: 1.5rem;
}

.mv-card i {
  font-size: 1.8rem;
  color: var(--accent-amber);
  margin-bottom: 0.8rem;
  display: block;
}

.mv-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.mv-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* PROCESS SECTION */
.process {
  padding: 5.5rem 0;
  background: var(--bg-primary);
}

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

.process-step {
  position: relative;
  padding: 2rem 1.5rem;
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--accent-amber);
  color: var(--accent-amber-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 auto 1.2rem auto;
}

.process-step h4 {
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* SERVICES SECTION */
.services {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

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

.service-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-amber-light);
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.service-features li i {
  color: var(--accent-amber);
  font-size: 0.8rem;
}

/* PRODUCTS SECTION */
.products {
  padding: 6rem 0;
  background: var(--bg-primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}

.product-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.product-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-body h3 {
  font-size: 1.28rem;
  margin-bottom: 0.6rem;
}

.product-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.specs-list {
  background: rgba(0, 0, 0, 0.25);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
}

.specs-list div {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.specs-list div:last-child {
  border-bottom: none;
}

.specs-list span.label {
  color: var(--text-muted);
}
.specs-list span.value {
  color: var(--text-primary);
  font-weight: 600;
}

/* FIXTURE SHOWCASE SECTION */
.fixture-showcase {
  padding: 5rem 0 6rem 0;
  background: var(--bg-primary);
  position: relative;
}

.fixture-showcase-card {
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(245, 158, 11, 0.4);
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.fixture-showcase-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.fixture-content h2 {
  font-size: 2.3rem;
  margin: 0.8rem 0 1.2rem 0;
  line-height: 1.25;
}

.fixture-lead {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.fixture-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2.2rem;
}

.f-highlight-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  background: rgba(11, 15, 25, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.f-highlight-item:hover {
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(11, 15, 25, 0.8);
  transform: translateX(4px);
}

.f-highlight-item i {
  font-size: 1.4rem;
  color: var(--accent-amber);
  margin-top: 3px;
  flex-shrink: 0;
}

.f-highlight-item h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  color: #ffffff;
}

.f-highlight-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.fixture-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.fixture-visual {
  position: relative;
}

.fixture-image-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.fixture-image-container img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.fixture-image-container:hover img {
  transform: scale(1.03);
}

.fixture-floating-badge {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  right: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--accent-amber);
  border-radius: var(--radius-sm);
}

.fixture-floating-badge .badge-icon {
  width: 38px;
  height: 38px;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.fixture-floating-badge strong {
  display: block;
  font-size: 0.92rem;
  color: #ffffff;
}

.fixture-floating-badge span {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-amber-light);
}

/* REVERSE ENGINEERING CALLOUT BANNER */
.reverse-engineering-callout {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 2.2rem 2.5rem;
  margin-bottom: 4.5rem;
  border: 1px solid rgba(6, 182, 212, 0.4);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(15, 23, 42, 0.8) 100%);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.reverse-engineering-callout::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-blue);
}

.re-callout-icon {
  width: 68px;
  height: 68px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.4);
  color: var(--accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.re-callout-content h3 {
  font-size: 1.25rem;
  color: #ffffff;
  margin: 0.5rem 0 0.6rem 0;
  line-height: 1.35;
}

.re-callout-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.re-callout-action {
  flex-shrink: 0;
}

/* ACADEMIC & PROJECTS SECTION */
.academic {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.academic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.project-card {
  padding: 2rem;
  border-left: 3px solid var(--accent-blue);
}

.project-card h4 {
  font-size: 1.2rem;
  margin: 0.8rem 0;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.sponsorship-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(17, 24, 39, 0.95) 100%);
  border: 1px solid var(--accent-amber);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.sponsorship-info h2 {
  font-size: 1.9rem;
  margin: 0.8rem 0 1rem 0;
}

.sponsorship-info p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.sponsorship-image img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  max-height: 250px;
  margin: 0 auto;
}

.univ-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.univ-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: #e2e8f0;
}

/* REFERENCES SECTION */
.references {
  padding: 5rem 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.ref-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1.2rem;
  align-items: center;
  text-align: center;
}

.ref-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 1.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: #cbd5e1;
  transition: var(--transition-fast);
}

.ref-box:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber-light);
  transform: translateY(-3px);
  background: rgba(245, 158, 11, 0.08);
}

/* GALLERY SECTION */
.gallery-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-amber);
  color: #000000;
  border-color: var(--accent-amber);
  font-weight: 600;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 220px;
  cursor: pointer;
  border: 1px solid var(--border-color);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 14, 23, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: var(--accent-amber-light);
  font-size: 2rem;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.video-container {
  margin-top: 4rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-subtle);
  position: relative;
  padding-bottom: 45%;
  height: 0;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* CERTIFICATES SECTION */
.certificates {
  padding: 6rem 0;
  background: var(--bg-primary);
}

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

.cert-card {
  padding: 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cert-icon {
  width: 64px;
  height: 64px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--accent-amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-amber);
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.cert-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.cert-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}

/* CONTACT & MAP SECTION */
.contact {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.info-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.info-icon {
  width: 46px;
  height: 46px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-amber-light);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-details h4 {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.info-details p, .info-details a {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 500;
}

.map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 250px;
  border: 1px solid var(--border-color);
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.quote-form-card {
  padding: 2.5rem;
}

.quote-form-card h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.quote-form-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.8rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #cbd5e1;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(11, 15, 25, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-amber);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* FOOTER */
.footer {
  background: #060911;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4rem 0 2rem 0;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about p {
  font-size: 0.9rem;
  margin: 1rem 0;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 0.8rem;
}

.social-icon {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: var(--transition-fast);
}

.social-icon:hover {
  background: var(--accent-amber);
  color: #000000;
  border-color: var(--accent-amber);
}

.footer-links h4, .footer-contact h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.footer-links ul li {
  margin-bottom: 0.6rem;
}

.footer-links ul li a {
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links ul li a:hover {
  color: var(--accent-amber-light);
  padding-left: 4px;
}

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.footer-contact p i {
  color: var(--accent-amber);
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* FLOATING WHATSAPP BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: var(--transition-normal);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background: #20ba5a;
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* LIGHTBOX MODAL WITH ARROWS & CLICK ANYWHERE CLOSE */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
  cursor: pointer; /* Clicking anywhere closes */
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 1100px;
  position: relative;
}

.modal-content {
  position: relative;
  max-width: 900px;
  cursor: default; /* Clicking image itself doesn't close accidentally */
}

.modal-content img {
  max-height: 82vh;
  max-width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 60px rgba(0,0,0,0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: block;
}

.lightbox-counter {
  position: absolute;
  top: -35px;
  left: 0;
  background: rgba(0, 0, 0, 0.6);
  color: var(--accent-amber-light);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.lightbox-nav-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  color: #ffffff;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  z-index: 10;
}

.lightbox-nav-btn:hover {
  background: var(--accent-amber);
  color: #000000;
  border-color: var(--accent-amber);
  transform: scale(1.1);
}

.lightbox-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border-color);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 2010;
}

.lightbox-close-btn:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
  transform: scale(1.1);
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .fixture-showcase-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .reverse-engineering-callout { grid-template-columns: 1fr; text-align: left; }
  .academic-grid { grid-template-columns: repeat(2, 1fr); }
  .sponsorship-banner { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .mobile-menu-btn { display: block; }
  
  .hero-content h1 { font-size: 2.4rem; }
  .section-header h2 { font-size: 2rem; }
  
  .fixture-showcase-card { padding: 2rem 1.5rem; }
  .fixture-content h2 { font-size: 1.8rem; }
  .reverse-engineering-callout { padding: 1.5rem; }
  .re-callout-icon { width: 52px; height: 52px; font-size: 1.4rem; }

  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .academic-grid { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}