/* 
========================================================================
   ClearView Business Website Stylesheet - Light Theme (White Background)
   Design Tokens: White (#FFFFFF), Dark Blue (#0A2540), Gold (#FFD700), Light Gray (#F5F5F5)
========================================================================
*/

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Colors */
  --primary-color: #FFFFFF;        /* Navbar & Card base */
  --primary-dark: #F8FAFC;         /* Global Page Background */
  --primary-light: #F1F5F9;        /* Light gray offsets */
  --accent-color: #0A2540;         /* Primary Buttons */
  --accent-gold: #F59E0B;          /* Highlight Text */
  --accent-glow: rgba(10, 37, 64, 0.1);
  --accent-light: #153A66;         /* Button Hover */
  
  --text-main: #0A2540;            /* Headings */
  --text-dark: #475569;            /* Body Text */
  --text-muted: #64748B;           /* Slate muted text */
  --text-light-gray: #475569;      
  --text-white: #FFFFFF;           
  
  --bg-light: #F8FAFC;             
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;              
  --bg-footer: #0A2540;            
  --bg-modal: #FFFFFF;             
  
  --whatsapp-color: #25D366;       /* WhatsApp Button */
  --whatsapp-glow: rgba(37, 211, 102, 0.3);
  
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout & Transitions */
  --max-width: 1200px;
  --header-height: 80px;
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.04);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.06);
  --shadow-lg: 0 16px 40px rgba(10, 37, 64, 0.08);
  --glow-light: 0 0 15px var(--accent-glow);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

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

ul {
  list-style: none;
}

/* --- Typography Utilities --- */
.text-accent { color: var(--accent-gold); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

/* --- Button System --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
  gap: 8px;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}

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

.btn-outline-accent {
  border: 2px solid var(--accent-gold);
  color: var(--accent-gold);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* --- Sticky Header & Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  background-color: #FFFFFF;
  border-bottom: 1px solid #E2E8F0;
  color: var(--text-main);
}

header.scrolled {
  height: 70px;
  box-shadow: 0 4px 20px rgba(10, 37, 64, 0.05);
  background-color: #FFFFFF;
  border-bottom: 1px solid #E2E8F0;
}

.nav-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
  opacity: 0.85;
}

.nav-link:hover, .nav-link.active {
  opacity: 1;
  color: var(--accent-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: var(--transition-fast);
}

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

.nav-cta {
  display: flex;
  align-items: center;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--text-main);
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* --- Page & Transitions System --- */
main {
  margin-top: var(--header-height); /* Offset for sticky nav in light theme */
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
}

.page-section {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.page-section.active {
  display: block;
  animation: page-fade-in 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* --- Section Layout Utilities --- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.section-light {
  background-color: var(--bg-white);
  color: var(--text-dark);
}

.section-light h2, .section-light h3, .section-light h4 {
  color: var(--text-main);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
  color: var(--text-main);
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--accent-gold);
  margin: 12px auto 0;
  border-radius: var(--radius-full);
}

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

/* ========================================================================
   HOME PAGE SECTIONS
   ======================================================================== */

/* --- Hero Section --- */
.hero {
  height: calc(100vh - var(--header-height));
  min-height: 550px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background: linear-gradient(
    rgba(10, 37, 64, 0.75),
    rgba(10, 37, 64, 0.65)
  ),
  url('../assets/hero_led_lighting.png');
}

.hero::before {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--text-white);
}

.hero h1 span {
  background: linear-gradient(to right, #FFFFFF, var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 179, 0, 0.2));
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  color: #E2E8F0;
  font-weight: 300;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero .btn-secondary {
  border-color: var(--text-white);
  color: var(--text-white);
}

.hero .btn-secondary:hover {
  background-color: var(--text-white);
  color: #0A2540;
}

/* --- Services / Features Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--bg-white);
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold), #FF8F00);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(10, 37, 64, 0.12);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--text-main);
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background-color: rgba(10, 37, 64, 0.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 37, 64, 0.08);
  transition: var(--transition-fast);
}

.service-card:hover .service-icon {
  background-color: var(--accent-color);
  color: var(--primary-color);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--text-main);
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-card-link {
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card-link i {
  transition: var(--transition-fast);
}

.service-card:hover .service-card-link i {
  transform: translateX(4px);
}

/* --- Categories Horizontal Grid --- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.category-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-normal);
}

.category-card:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
  transform: scale(1.03);
}

.category-card-icon {
  font-size: 2.2rem;
  color: var(--text-main);
  margin-bottom: 16px;
}

.category-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

/* --- Why Choose Us Split Section --- */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-image-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.split-image-container img {
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
}

.split-image-container::after {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border: 1px solid rgba(10, 37, 64, 0.1);
  border-radius: calc(var(--radius-lg) - 5px);
  pointer-events: none;
}

.split-image-container:hover img {
  transform: scale(1.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 40px;
}

.stat-item {
  background-color: var(--bg-light);
  padding: 24px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-gold);
  border: 1px solid rgba(10, 37, 64, 0.05);
  border-left-width: 4px;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Testimonials Section (Carousel) --- */
.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  min-height: 280px;
  color: var(--text-dark);
}

.testimonial-slide {
  text-align: center;
  padding: 20px 40px;
}

.testimonial-stars {
  color: var(--accent-gold);
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.testimonial-quote {
  font-size: 1.4rem;
  font-style: italic;
  font-weight: 300;
  margin-bottom: 24px;
  line-height: 1.5;
}

.testimonial-author h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--text-main);
}

.testimonial-author p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(10, 37, 64, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.carousel-btn:hover {
  background-color: var(--accent-color);
  color: var(--primary-color);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-sm);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: rgba(10, 37, 64, 0.2);
  cursor: pointer;
  transition: var(--transition-fast);
}

.carousel-dot.active {
  background-color: var(--accent-color);
  width: 24px;
}

/* --- Banner CTA --- */
.banner-cta {
  background: linear-gradient(135deg, var(--bg-footer) 0%, #030C16 100%);
  padding: 80px 0;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  color: var(--text-white);
}

.banner-cta h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  color: var(--text-white);
}

.banner-cta p {
  max-width: 600px;
  margin: 0 auto 32px;
  opacity: 0.9;
  color: var(--text-white);
}

.banner-cta .btn-secondary {
  border-color: var(--text-white);
  color: var(--text-white);
}

.banner-cta .btn-secondary:hover {
  background-color: var(--text-white);
  color: var(--bg-footer);
}

/* ========================================================================
   ABOUT US PAGE SECTIONS
   ======================================================================== */

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.about-feature-item {
  padding: 30px;
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
}

.about-feature-item h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.team-member {
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(10, 37, 64, 0.06);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.team-member:hover {
  transform: translateY(-5px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
}

.team-member-img {
  position: relative;
  background-color: var(--bg-light);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.team-member-img i {
  font-size: 5rem;
  color: rgba(10, 37, 64, 0.15);
}

.team-member-info {
  padding: 20px;
}

.team-member-info h4 {
  font-size: 1.15rem;
  margin-bottom: 4px;
  color: var(--text-main);
}

.team-member-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.certification-card {
  background-color: var(--bg-white);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
}

.certification-card i {
  font-size: 2.2rem;
  color: var(--text-main);
  margin-bottom: 12px;
}

.certification-card p {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

/* ========================================================================
   PRODUCTS PAGE SECTIONS
   ======================================================================== */

.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
  background-color: var(--bg-light);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 37, 64, 0.05);
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-white);
  border: 1px solid rgba(10, 37, 64, 0.15);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  width: 100%;
  max-width: 320px;
  transition: var(--transition-fast);
  color: var(--text-dark);
}

.search-box:focus-within {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(10, 37, 64, 0.1);
}

.search-box input {
  width: 100%;
  margin-left: 10px;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 18px;
  background-color: var(--bg-white);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid rgba(10, 37, 64, 0.08);
  color: var(--text-main);
  transition: var(--transition-fast);
}

.filter-tab:hover {
  background-color: var(--bg-light);
}

.filter-tab.active {
  background-color: var(--accent-color);
  color: var(--primary-color);
  font-weight: 600;
  border-color: var(--accent-color);
  box-shadow: var(--shadow-sm);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-lg);
}

.product-img-container {
  position: relative;
  background-color: var(--bg-light);
  aspect-ratio: 1.2;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

.product-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--accent-gold);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-info {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.product-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-specs {
  margin-bottom: 20px;
  border-top: 1px solid rgba(10, 37, 64, 0.06);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.spec-item {
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light-gray);
}

.spec-item i {
  color: var(--text-main);
}

/* ========================================================================
   PROJECTS PAGE SECTIONS
   ======================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1.35;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(10, 37, 64, 0.06);
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.95) 0%, rgba(10, 37, 64, 0.4) 60%, transparent 100%);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0.9;
  transition: var(--transition-normal);
  z-index: 2;
  color: var(--text-white);
}

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

.project-card:hover .project-overlay {
  opacity: 1;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.98) 0%, rgba(10, 37, 64, 0.5) 50%, rgba(10, 37, 64, 0.2) 100%);
}

.project-tag {
  align-self: flex-start;
  background-color: var(--accent-gold);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.project-overlay h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
  color: var(--text-white);
}

.project-overlay p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  transform: translateY(10px);
  opacity: 0;
  transition: var(--transition-normal);
}

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

/* Before / After Comparison Layout Section */
.comparison-section {
  background-color: var(--bg-light);
  padding: 80px 0;
  border-radius: var(--radius-lg);
  margin-bottom: 60px;
  border: 1px solid rgba(10, 37, 64, 0.06);
}

.comparison-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 1.6;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  user-select: none;
}

.ba-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ba-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba-after {
  z-index: 1;
}

.ba-before {
  z-index: 2;
  width: 50%; /* JS Controlled */
  overflow: hidden;
}

.ba-before img {
  max-width: none;
  width: 800px; /* Force lock container width */
}

.ba-handle {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 50%; /* JS Controlled */
  width: 4px;
  height: 100%;
  background-color: var(--accent-gold);
  cursor: ew-resize;
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(255, 179, 0, 0.5);
}

.ba-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--accent-gold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  box-shadow: 0 0 15px rgba(255, 179, 0, 0.3);
  pointer-events: none;
  font-size: 0.9rem;
  width: 40px;
  height: 40px;
}

.ba-label {
  position: absolute;
  bottom: 20px;
  background-color: rgba(10, 37, 64, 0.85);
  color: var(--text-white);
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  z-index: 4;
}

.ba-label-before {
  left: 20px;
}

.ba-label-after {
  right: 20px;
}

/* ========================================================================
   SERVICES PAGE SECTIONS
   ======================================================================== */

.detailed-services {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.service-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.service-row:nth-child(even) {
  grid-template-columns: 0.9fr 1.1fr;
}

.service-row:nth-child(even) .service-row-info {
  order: 2;
}

.service-row-info h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
}

.service-row-info h3 i {
  color: var(--text-main);
}

.service-row-info p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.service-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 30px;
}

.service-feature-li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.service-feature-li i {
  color: var(--text-main);
}

/* Blueprint Graphic Mock */
.blueprint-box {
  background-color: #0b1e33;
  border: 1px dashed rgba(255, 179, 0, 0.3);
  border-radius: var(--radius-md);
  padding: 40px;
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blueprint-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: 20px 20px;
  background-image: 
    linear-gradient(to right, rgba(0, 150, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 150, 255, 0.05) 1px, transparent 1px);
}

.blueprint-graphic {
  position: relative;
  z-index: 2;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 20px;
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blueprint-ray {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(255, 215, 0, 0.25) 0%, transparent 70%);
  animation: pulse-glow 2.5s infinite alternate;
}

.blueprint-footer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: monospace;
}

/* ========================================================================
   CONTACT PAGE SECTIONS
   ======================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info-column {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-method-card {
  display: flex;
  gap: 20px;
  background-color: var(--bg-white);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
}

.contact-method-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(10, 37, 64, 0.05);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-main);
  flex-shrink: 0;
}

.contact-method-details h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text-main);
}

.contact-method-details p, .contact-method-details a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-method-details a:hover {
  color: var(--accent-gold);
}

.contact-hours {
  background-color: var(--bg-white);
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-sm);
}

.contact-hours h3 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(10, 37, 64, 0.08);
  padding-bottom: 10px;
  color: var(--text-main);
}

.hours-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(10, 37, 64, 0.04);
}

.hours-row:last-child {
  border-bottom: none;
}

.hours-day {
  font-weight: 500;
  color: var(--text-dark);
}

.hours-time {
  color: var(--text-muted);
}

.contact-form-card {
  background-color: var(--bg-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(10, 37, 64, 0.06);
  box-shadow: var(--shadow-lg);
}

.contact-form-card h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.contact-form-card p {
  color: var(--text-muted);
  margin-bottom: 30px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-light-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  background-color: var(--primary-light);
  border: 1px solid rgba(10, 37, 64, 0.15);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  color: var(--text-dark);
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(10, 37, 64, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-feedback {
  font-size: 0.8rem;
  margin-top: 6px;
  display: none;
}

.form-feedback.error {
  color: #EF4444;
  display: block;
}

/* Styled Map Placeholder */
.map-container {
  height: 350px;
  background-color: #0b1a29;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(10, 37, 64, 0.08);
}

.map-grid-mock {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.35;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(0, 100, 200, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 100, 200, 0.15) 1px, transparent 1px);
}

.map-card-mock {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(10, 37, 64, 0.9);
  backdrop-filter: blur(8px);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent-gold);
  width: calc(100% - 80px);
  max-width: 380px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  color: var(--text-white);
}

.map-card-mock i {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.map-card-mock h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text-white);
}

.map-card-mock p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
}

.map-card-mock .btn-primary {
  background-color: var(--accent-gold);
  color: var(--primary-dark);
}

.map-card-mock .btn-primary:hover {
  background-color: var(--accent-light);
  color: var(--text-white);
}

/* ========================================================================
   GLOBAL COMPONENT FOOTER
   ======================================================================== */

footer {
  background-color: var(--bg-light);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(10, 37, 64, 0.08);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h3 {
  color: var(--text-main);
  font-size: 1.15rem;
  margin-bottom: 24px;
  position: relative;
}

.footer-col h3::after {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--accent-gold);
  margin-top: 8px;
  border-radius: var(--radius-full);
}

.footer-about p {
  margin-bottom: 24px;
  line-height: 1.6;
}

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

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: rgba(10, 37, 64, 0.05);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-link:hover {
  background-color: var(--accent-gold);
  color: var(--bg-white);
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(255, 179, 0, 0.2);
}

.footer-links-list li {
  margin-bottom: 12px;
}

.footer-links-list a:hover {
  color: var(--text-main);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-item i {
  color: var(--accent-gold);
  margin-top: 4px;
}

.newsletter-form {
  display: flex;
  margin-top: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(10, 37, 64, 0.15);
}

.newsletter-form input {
  padding: 10px 16px;
  background-color: var(--bg-white);
  width: 100%;
  font-size: 0.85rem;
  color: var(--text-dark);
}

.newsletter-form button {
  background-color: var(--accent-color);
  color: var(--bg-white);
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.newsletter-form button:hover {
  background-color: var(--accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(10, 37, 64, 0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a:hover {
  color: var(--text-main);
}

/* ========================================================================
   MODALS SYSTEM
   ======================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 37, 64, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 20px;
}

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

.modal-content {
  background-color: var(--bg-modal);
  border: 1px solid rgba(10, 37, 64, 0.1);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
  color: var(--text-dark);
}

.modal-overlay.open .modal-content {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(10, 37, 64, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition-fast);
  z-index: 10;
  color: var(--text-main);
}

.modal-close-btn:hover {
  background-color: var(--accent-color);
  color: var(--primary-color);
}

.modal-header-section {
  padding: 30px 40px 10px;
}

.modal-header-section h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.modal-header-section p {
  color: var(--text-muted);
}

.modal-body-section {
  padding: 20px 40px 40px;
}

/* Quote Calculator Steps Styles */
.quote-steps-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
  position: relative;
}

.quote-steps-progress::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: rgba(10, 37, 64, 0.1);
  z-index: 1;
}

.quote-progress-line {
  position: absolute;
  top: 15px;
  left: 0;
  width: 0; /* JS Controlled */
  height: 2px;
  background-color: var(--accent-color);
  z-index: 2;
  transition: var(--transition-normal);
}

.step-indicator {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  border: 2px solid rgba(10, 37, 64, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  z-index: 3;
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.step-indicator.active {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.step-indicator.complete {
  border-color: var(--accent-color);
  background-color: var(--accent-color);
  color: var(--primary-color);
}

.quote-step {
  display: none;
}

.quote-step.active {
  display: block;
  animation: page-fade-in 0.4s ease forwards;
}

.quote-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.quote-option-card {
  border: 1px solid rgba(10, 37, 64, 0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.quote-option-card:hover {
  border-color: var(--accent-color);
  background-color: var(--primary-light);
}

.quote-option-card.selected {
  border-color: var(--accent-color);
  background-color: rgba(10, 37, 64, 0.05);
  box-shadow: var(--shadow-sm);
}

.quote-option-card i {
  font-size: 1.8rem;
  color: var(--text-main);
  margin-bottom: 12px;
}

.quote-option-card h4 {
  font-size: 0.95rem;
  color: var(--text-main);
}

.quote-nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  gap: 16px;
}

/* Form Success Overlay inside modal or boxes */
.form-success-state {
  text-align: center;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: scale-up-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  color: var(--text-dark);
}

.success-icon-container {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background-color: rgba(16, 185, 129, 0.1);
  border: 2px solid var(--whatsapp-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--whatsapp-color);
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
}

.form-success-state h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.form-success-state p {
  color: var(--text-muted);
}

/* ========================================================================
   FLOATING BUTTONS
   ======================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp-color);
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px var(--whatsapp-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 1.8rem;
  z-index: 999;
  cursor: pointer;
  transition: var(--transition-normal);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px var(--whatsapp-color);
}

.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 48px;
  height: 48px;
  background-color: var(--bg-white);
  border: 1px solid rgba(10, 37, 64, 0.15);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 1.2rem;
  z-index: 998;
  cursor: pointer;
  transition: var(--transition-normal);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--accent-color);
  color: var(--primary-color);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

/* ========================================================================
   SCROLL-ACTIVATED ANIMATIONS (IntersectionObserver classes)
   ======================================================================== */

.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================================================
   ANIMATION KEYFRAMES
   ======================================================================== */

@keyframes page-fade-in {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes pulse-glow {
  from {
    transform: scale(0.9);
    opacity: 0.3;
  }
  to {
    transform: scale(1.15);
    opacity: 0.6;
  }
}

@keyframes scale-up-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ======================================================================== */

@media (max-width: 1024px) {
  h1 { font-size: 3.25rem; }
  .section { padding: 80px 0; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .split-grid { gap: 40px; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  :root {
    --header-height: 70px;
  }
  
  .section-header h2 { font-size: 2rem; }
  .hero h1 { font-size: 2.8rem; }
  .hero p { font-size: 1.1rem; }
  
  /* Mobile Header Menu Overlay */
  .mobile-nav-toggle {
    display: flex;
  }
  
  .mobile-nav-toggle span {
    background-color: var(--text-main); /* Dark blue toggle bars */
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--primary-light);
    flex-direction: column;
    gap: 30px;
    padding: 50px 24px;
    transform: translateX(-100%);
    transition: var(--transition-normal);
    z-index: 999;
    overflow-y: auto;
    border-top: 1px solid rgba(10, 37, 64, 0.08);
  }
  
  .nav-menu.open {
    transform: translateX(0);
  }
  
  .nav-cta {
    display: none;
  }
  
  /* Mobile Menu Hamburger Animation */
  .mobile-nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-nav-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  /* Grids and Layouts to stack */
  .split-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .split-image-container {
    order: -1;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .service-row {
    grid-template-columns: 1fr !important;
    gap: 30px;
  }
  
  .service-row-info {
    order: 1 !important;
  }
  
  .blueprint-box {
    order: 2;
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .modal-content {
    border-radius: var(--radius-md);
  }
  
  .modal-header-section, .modal-body-section {
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .quote-options-grid {
    grid-template-columns: 1fr;
  }
  
  .ba-before img {
    width: 100%;
  }
  
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
    font-size: 1.5rem;
  }
  
  .back-to-top {
    bottom: 85px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .section-header h2 { font-size: 1.8rem; }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}