/* Base Styles & Variables */
:root {
    --primary-color: #0066cc;  /* More vibrant blue */
    --primary-dark: #0052a3;
    --secondary-color: #333333;
    --accent-color: #ff9900;  /* Orange accent for CTAs */
    --text-color: #333333;
    --text-light: #666666;
    --light-bg: #f8f9fa;
    --dark-bg: #1a1a1a;
    --white: #ffffff;
    --off-white: #f5f7fa;
    --gray-light: #e9ecef;
    --gray: #6c757d;
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --transition: all 0.3s ease;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 6px;
    --container-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

a:hover {
    color: var(--secondary-color);
}

p {
    margin-bottom: 1.5rem;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons & CTAs */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-dark);
    z-index: -2;
}

.btn:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: var(--primary-color);
    transition: all 0.3s;
    z-index: -1;
    border-radius: 50px;
}

.btn:hover {
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn:hover:before {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white) !important; /* Ensure text stays white */
    border: 2px solid var(--primary-color);
}

/* Ensure button text is always white on primary buttons */
.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    color: var(--white) !important;
}

.btn-primary:before {
    background-color: var(--primary-dark);
}

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

.btn-secondary:before {
    background-color: var(--primary-color);
}

.btn-secondary:hover {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.btn-text {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.btn-text:after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.btn-text:hover {
    color: var(--primary-dark);
}

.btn-text:hover:after {
    transform: translateX(5px);
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 1rem 20px;
}

@media (min-width: 992px) {
    .header .container {
        justify-content: space-between;
    }
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    list-style: none;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0.5rem 0;
}

.main-nav li {
    margin-left: 2rem;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.main-nav a:not(.btn):after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-nav a:not(.btn):hover:after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, #f0f5ff 0%, #e6f0ff 100%);
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: url('../images/refractometer-pattern.svg') no-repeat right center;
    background-size: contain;
    opacity: 0.1;
    z-index: 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    line-height: 1.2;
    font-weight: 800;
}

.hero-content .lead {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 400;
}

.hero-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: none;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Sections */
.section-light {
    padding: 6rem 0;
    background-color: var(--light-bg);
}

.section-dark {
    padding: 6rem 0;
    background-color: var(--white);
}

.about {
    padding: 6rem 0;
    background-color: var(--light-bg);
}

/* Value Proposition */
.value-prop {
    padding: 5rem 0;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.value-prop:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to bottom, transparent, rgba(240, 245, 255, 0.7));
    z-index: 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 4rem 0 3rem;
    position: relative;
    z-index: 1;
}

.value-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.value-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.1);
}

.value-item:hover:before {
    width: 6px;
    background: var(--accent-color);
}

.value-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.value-item p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

.small-text {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 1rem;
    font-style: italic;
}

/* Why Section */
#why {
    background-color: var(--white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

#why:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern-dots.svg') repeat;
    opacity: 0.03;
    z-index: 0;
}

#why .container {
    position: relative;
    z-index: 1;
}

#why h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-weight: 800;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.benefit {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.benefit:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: all 0.3s ease;
}

.benefit:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.benefit:hover:before {
    opacity: 1;
}

.benefit h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.benefit p {
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.7;
    font-size: 1.05rem;
}

.cta-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4rem 2rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 102, 204, 0.2);
}

.cta-banner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern-dots-white.svg') repeat;
    opacity: 0.1;
    pointer-events: none;
}

.cta-banner h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    position: relative;
}

.cta-banner .btn {
    background: white;
    color: var(--primary-color);
    font-weight: 700;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.cta-banner .btn:before {
    background: var(--accent-color);
}

.cta-banner .btn:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Refractometer Types Section */
.types-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin: 4rem 0;
}

.type-category {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.type-category h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.type-category h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    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(1.05);
}

.product-info {
    padding: 1.5rem;
}

.product-info h4 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Correction Factor Section */
.correction-factor-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
    align-items: start;
}

.correction-factor-text h3 {
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
}

.correction-factor-text p {
    margin-bottom: 2rem;
    line-height: 1.7;
}

.steps-list {
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.steps-list li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 0.5rem;
}

.correction-factor-table h3 {
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
}

.table-container {
    overflow-x: auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius);
    background-color: var(--white);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: left;
    padding: 1rem;
    font-weight: 600;
}

table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-light);
    color: var(--text-color);
}

table tr:last-child td {
    border-bottom: none;
}

table tr:nth-child(even) {
    background-color: var(--light-bg);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.example-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.example-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.example-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--gray-light);
}

.example-card ul {
    padding-left: 1.2rem;
}

.example-card li {
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.practical-tips {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 3rem 0;
    border-left: 4px solid var(--primary-color);
}

.practical-tips h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.tips-list {
    padding-left: 1.2rem;
    margin-bottom: 1.5rem;
}

.tips-list li {
    margin-bottom: 1rem;
    position: relative;
}

.tip-conclusion {
    font-style: italic;
    color: var(--text-color);
    font-weight: 500;
}

/* Applications */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.application {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.application:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.application h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin-top: 3rem;
}

/* Final CTA Section */
.final-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 5rem 0;
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.final-cta .lead-text {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.divider {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 500;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 5rem 0 0;
    position: relative;
    overflow: hidden;
}

.footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern-dots-white.svg') repeat;
    opacity: 0.03;
    pointer-events: none;
}

.footer .container {
    position: relative;
    z-index: 1;
}

.footer h3, 
.footer h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-brand p {
    color: var(--gray-light);
    margin-bottom: 2rem;
    font-size: 1.05rem;
    max-width: 400px;
    line-height: 1.7;
}

.footer-brand .btn {
    margin-top: 1rem;
}

.footer-links h4 {
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.footer-links h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 1.05rem;
    position: relative;
    padding-left: 0;
}

.footer-links a:before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s ease;
    color: var(--accent-color);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 20px;
}

.footer-links a:hover:before {
    left: 0;
    opacity: 1;
}

.footer-bottom {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--gray-light);
    position: relative;
}

.footer-bottom:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 2rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content .lead {
        font-size: 1.2rem;
    }
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-brand {
        text-align: center;
        margin: 0 auto;
    }
    
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-links h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-image {
        order: 1;
        max-width: 500px;
        margin: 0 auto 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content .lead {
        font-size: 1.1rem;
    }
    
    .value-grid,
    .benefits,
    .applications-grid,
    .examples-grid,
    .correction-factor-content {
        grid-template-columns: 1fr;
    }
    
    .section-light,
    .section-dark,
    .final-cta,
    #applications,
    #why,
    #types,
    #correction-factor {
        padding: 4rem 0;
    }
    
    .final-cta h2,
    #applications h2,
    #why h2,
    #types h2,
    #correction-factor h2 {
        font-size: 2rem;
    }
    
    .lead-text {
        font-size: 1.1rem;
    }
    
    .cta-banner h3 {
        font-size: 1.5rem;
    }
    
    .main-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
        margin-top: 1rem;
    }
    
    /* Mobile menu button removed */
    
    .footer {
        padding: 4rem 0 0;
    }
    
    .footer-content {
        margin-bottom: 3rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 180px;
    }
    
    .type-category {
        padding: 1.5rem;
    }
    
    .type-category h3 {
        font-size: 1.5rem;
    }
    
    .product-info h4 {
        font-size: 1.2rem;
    }
    
    .table-container {
        margin: 0 -1rem;
        width: calc(100% + 2rem);
        border-radius: 0;
    }
    
    table th,
    table td {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero {
        padding: 7rem 0 3rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content .lead {
        font-size: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .divider {
        display: none;
    }
    
    .final-cta h2,
    #applications h2,
    #why h2 {
        font-size: 1.8rem;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer-links ul {
        display: block;
        text-align: center;
    }
    
    .footer-links li {
        display: inline-block;
        margin: 0 1rem 1rem 0;
    }
    
    .footer-links a:before {
        display: none;
    }
    
    .footer-links a:hover {
        padding-left: 0;
        color: var(--accent-color);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cta-banner,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
    
    .container {
        width: 100%;
        padding: 0;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        font-weight: normal;
    }
    
    .no-print {
        display: none !important;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
        max-width: 600px;
        margin: 0 auto 2rem;
    }
    
    .main-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
        margin-top: 1rem;
    }
    
    /* Mobile menu button removed */
}

@media (max-width: 768px) {
    .features,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-light,
    .section-dark,
    .about {
        padding: 4rem 0;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mt-3 {
    margin-top: 1.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}