/* CSS Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  /* Custom Properties */
  :root {
    /* Brand Colors */
    --color-primary: #047857;
    --color-primary-dark: #065f46;
    --color-primary-light: #10b981;
    --color-accent: #f59e0b;
    
    /* Text Colors */
    --color-text-dark: #1f2937;
    --color-text-medium: #4b5563;
    --color-text-light: #9ca3af;
    
    /* Background Colors */
    --color-bg-light: #f9fafb;
    --color-bg-white: #ffffff;
    --color-bg-dark: #111827;
    
    /* Border Colors */
    --color-border-light: #e5e7eb;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transition Speeds */
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
  }
  
  /* Global Styles */
  html {
    font-family: var(--font-sans);
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  body {
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    line-height: 1.5;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  p {
    margin-bottom: 1rem;
  }
  
  /* Container */
  .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
  }
  
  /* Button Base */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    white-space: nowrap;
  }
  
  .btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
  
  /* Primary Button */
  .btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 6px rgba(4, 120, 87, 0.2);
  }
  
  .btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(4, 120, 87, 0.25);
  }
  
  .btn-primary:active {
    transform: translateY(0);
  }
  
  /* Secondary Button */
  .btn-secondary {
    background-color: white;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
  }
  
  .btn-secondary:hover {
    background-color: var(--color-bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  /* Card Base */
  .card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal) ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  /* Section Styling */
  .section {
    padding: var(--space-16) 0;
  }
  
  .section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    text-align: center;
  }
  
  .section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-medium);
    margin-bottom: var(--space-12);
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Header and Navigation */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal) ease;
  }
  
  .header-scrolled {
    box-shadow: var(--shadow-md);
  }
  
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
  }
  
  .nav-logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
  }
  
  .nav-logo svg {
    width: 32px;
    height: 32px;
    margin-right: var(--space-2);
  }
  
  .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
  
  .nav-link {
    color: var(--color-text-medium);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-normal) ease;
    padding: var(--space-2) 0;
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal) ease;
  }
  
  .nav-link:hover, .nav-link.active {
    color: var(--color-primary);
  }
  
  .nav-link:hover::after, .nav-link.active::after {
    width: 100%;
  }
  
  .mobile-menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--space-2);
    transition: 0.3s ease-in-out;
  }
  
  .mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80%;
    max-width: 300px;
    background-color: var(--color-bg-white);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform var(--transition-normal) ease;
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
  }
  
  .mobile-menu.open {
    transform: translateX(0);
  }
  
  .mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    margin-bottom: var(--space-8);
  }
  
  .mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .mobile-menu-link {
    font-weight: 500;
    padding: var(--space-3) 0;
    position: relative;
  }
  
  .mobile-menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal) ease;
  }
  
  .mobile-menu-link:hover, .mobile-menu-link.active {
    color: var(--color-primary);
  }
  
  .mobile-menu-link:hover::after, .mobile-menu-link.active::after {
    width: 100%;
  }
  
  /* Hero Section */
  .hero {
    padding-top: 70px; /* Header height */
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
  }
  
  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
  }
  
  .hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
  }
  
  .hero-text {
    max-width: 600px;
  }
  
  .hero-title {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    font-weight: 700;
    line-height: 1.1;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--space-6);
    font-weight: 500;
  }
  
  .hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
    opacity: 0.9;
    line-height: 1.6;
  }
  
  .hero-buttons {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
  }
  
  /* Calculator Card */
  .calculator-card {
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 400px;
    animation: float 6s ease-in-out infinite;
  }
  
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
  
  .calculator-title {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: var(--space-2);
  }
  
  .calculator-subtitle {
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: var(--space-6);
    opacity: 0.8;
  }
  
  .form-group {
    margin-bottom: var(--space-4);
  }
  
  .form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
    font-weight: 500;
  }
  
  .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: white;
    transition: all var(--transition-normal) ease;
  }
  
  .form-input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
  }
  
  .form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }
  
  .calculator-button {
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    color: var(--color-text-dark);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    margin-top: var(--space-6);
  }
  
  .calculator-button:hover {
    background-color: var(--color-bg-light);
    transform: translateY(-2px);
  }
  
  .calculator-result {
    margin-top: var(--space-4);
    padding: var(--space-3);
    background-color: rgba(4, 120, 87, 0.8);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    display: none;
  }
  
  /* Products Section */
  .products-section {
    background-color: var(--color-bg-white);
  }
  
  .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
  }
  
  .product-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
    background-color: white;
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  
  .product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
  }
  
  .product-image {
    height: 200px;
    overflow: hidden;
  }
  
  .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
  }
  
  .product-card:hover .product-image img {
    transform: scale(1.08);
  }
  
  .product-content {
    padding: var(--space-6);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
  }
  
  .product-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--color-text-dark);
  }
  
  .product-description {
    margin-bottom: var(--space-4);
    color: var(--color-text-medium);
    flex-grow: 1;
  }
  
  .product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
  }
  
  .product-badge {
    background-color: rgba(4, 120, 87, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
  }
  
  .product-action {
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-normal) ease;
  }
  
  .product-action:hover {
    color: var(--color-primary-dark);
  }
  
  .product-action svg {
    transition: transform var(--transition-normal) ease;
  }
  
  .product-action:hover svg {
    transform: translateX(4px);
  }
  
  /* Features Section */
  .features-section {
    background-color: var(--color-bg-light);
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
  }
  
  .feature-card {
    background-color: white;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
    height: 100%;
  }
  
  .feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(4, 120, 87, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
  }
  
  .feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--color-text-dark);
  }
  
  .feature-description {
    color: var(--color-text-medium);
  }
  
  /* About Section */
  .about-section {
    background-color: var(--color-bg-white);
  }
  
  .about-header {
    text-align: center;
    margin-bottom: var(--space-10);
  }
  
  .about-badge {
    display: inline-block;
    background-color: rgba(4, 120, 87, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
  }
  
  .about-title {
    font-size: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-4);
  }
  
  .about-subtitle {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-medium);
  }
  
  .about-content {
    background-color: var(--color-bg-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
  }
  
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  
  .about-image {
    height: 100%;
    overflow: hidden;
  }
  
  .about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .about-text {
    padding: var(--space-10);
  }
  
  .about-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.2;
  }
  
  .about-paragraph {
    color: var(--color-text-medium);
    margin-bottom: var(--space-4);
  }
  
  .about-actions {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
  }
  
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
  }
  
  .stat-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal) ease;
  }
  
  .stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
  }
  
  .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
  }
  
  .stat-label {
    color: var(--color-text-medium);
  }
  
  .values-section {
    margin-top: var(--space-16);
  }
  
  .values-title {
    font-size: 1.875rem;
    text-align: center;
    margin-bottom: var(--space-4);
  }
  
  .values-subtitle {
    text-align: center;
    color: var(--color-text-medium);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-10);
  }
  
  .values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
  }
  
  .value-card {
    background-color: var(--color-bg-light);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal) ease;
  }
  
  .value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
  }
  
  .value-icon {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
  }
  
  .value-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
  }
  
  .value-description {
    color: var(--color-text-medium);
  }
  
  /* Testimonials Section */
  .testimonials-section {
    background-color: var(--color-bg-white);
  }
  
  .testimonials-header {
    text-align: center;
    margin-bottom: var(--space-12);
  }
  
  .testimonials-badge {
    display: inline-block;
    background-color: rgba(4, 120, 87, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
  }
  
  .testimonials-title {
    font-size: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-4);
  }
  
  .testimonials-subtitle {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-medium);
  }
  
  .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
  }
  
  .testimonial-card {
    background-color: var(--color-bg-light);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal) ease;
  }
  
  .testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
  }
  
  .testimonial-title {
    font-weight: 600;
    margin-bottom: var(--space-4);
  }
  
  .testimonial-content {
    margin-bottom: var(--space-6);
    color: var(--color-text-medium);
  }
  
  .testimonial-author {
    display: flex;
    align-items: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
  }
  
  .testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: var(--space-4);
  }
  
  .testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .testimonial-info h4 {
    font-weight: 700;
    margin-bottom: 0;
  }
  
  .testimonial-info p {
    font-size: 0.875rem;
    color: var(--color-text-medium);
    margin-bottom: 0;
  }
  
  /* Contact Section */
  .contact-section {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
  }
  
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }
  
  .contact-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.1;
  }
  
  .contact-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 500px;
    margin-bottom: var(--space-8);
  }
  
  .contact-form-wrapper {
    background-color: white;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
  }
  
  .contact-form .form-group {
    margin-bottom: var(--space-4);
  }
  
  .contact-form .form-label {
    color: var(--color-text-dark);
  }
  
  .contact-form .form-input {
    background-color: white;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-dark);
  }
  
  .contact-form .form-input::placeholder {
    color: var(--color-text-light);
  }
  
  .contact-form .form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(4, 120, 87, 0.1);
  }
  
  .form-select {
    position: relative;
  }
  
  .form-select select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    background-color: white;
    color: var(--color-text-dark);
    appearance: none;
    cursor: pointer;
  }
  
  .form-select::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--color-text-medium);
    pointer-events: none;
  }
  
  .form-textarea {
    resize: vertical;
    min-height: 100px;
  }
  
  .submit-button {
    width: 100%;
    padding: 0.875rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
  }
  
  .submit-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(4, 120, 87, 0.3);
  }
  
  /* WhatsApp Button */
  .whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
  }
  
  .whatsapp-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
  }
  
  .whatsapp-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background-color: #ef4444;
    border-radius: 50%;
    border: 2px solid white;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
  }
  
  @keyframes pulse {
    0% {
      box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    70% {
      box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
  }
  
  /* Footer */
  .footer {
    background: linear-gradient(135deg, #047857 0%, #065f46 100%);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
  }
  
  .footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
  }
  
  .footer-logo svg {
    width: 24px;
    height: 24px;
    margin-right: var(--space-2);
  }
  
  .footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-4);
  }
  
  .social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
  }
  
  .social-link {
    color: white;
    opacity: 0.7;
    transition: opacity var(--transition-normal) ease;
  }
  
  .social-link:hover {
    opacity: 1;
  }
  
  .footer-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
  }
  
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .footer-link {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal) ease;
  }
  
  .footer-link:hover {
    color: white;
    transform: translateX(5px);
  }
  
  .footer-contact {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: rgba(255, 255, 255, 0.8);
  }
  
  .footer-copyright {
    text-align: center;
    padding-top: var(--space-8);
    margin-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255,.6);
    font-size: 0.875rem;
  }
  
  /* Media Queries */
  @media (max-width: 1024px) {
    .hero-title {
      font-size: 2.5rem;
    }
    
    .contact-grid {
      grid-template-columns: 1fr;
    }
    
    .about-grid {
      grid-template-columns: 1fr;
    }
    
    .about-image {
      height: 300px;
    }
  }
  
  @media (max-width: 908px) {
    .nav-links {
      display: none;
    }
    
    .mobile-menu-toggle {
      display: block;
    }
    
    .hero-content {
      grid-template-columns: 1fr;
      gap: var(--space-12);
    }
    
    .calculator-card {
      margin: 0 auto;
    }
    
    .hero-text {
      text-align: center;
      margin: 0 auto;
    }
    
    .hero-buttons {
      justify-content: center;
    }
    
    .about-text {
      padding: var(--space-6);
    }
    
    .about-heading {
      font-size: 1.5rem;
    }
    
    .section-title {
      font-size: 1.875rem;
    }
    
    .contact-content {
      text-align: center;
    }
    
    .contact-content p {
      margin-left: auto;
      margin-right: auto;
    }
  }
  
  @media (max-width: 480px) {
    .hero-buttons {
      flex-direction: column;
      width: 100%;
    }
    
    .btn {
      width: 100%;
    }
    
    .about-actions {
      flex-direction: column;
    }
    
    .about-actions .btn {
      width: 100%;
    }
  }
  
  /* Animation Classes */
  .fade-in-up {
    animation: fadeInUp 1s ease both;
  }
  
  .fade-in {
    animation: fadeIn 1s ease both;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }