/* Color Palette & Variables */
:root {
    --primary-blue: #0A2540;
    --primary-blue-light: #1A365D;
    --accent-green: #34D399;
    --accent-green-dark: #059669;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

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

.bg-dark {
    background-color: var(--primary-blue);
}

.text-white {
    color: var(--white);
}

.text-center {
    text-align: center;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.w-100 {
    width: 100%;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    color: var(--white);
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
}

.bg-dark h2 {
    color: var(--white);
}

h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.bg-dark p, .bg-dark li {
    color: #CBD5E1;
}

.section-subtitle {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

/* Divider */
.divider {
    height: 4px;
    width: 60px;
    background-color: var(--accent-green);
    margin-bottom: 2rem;
    border-radius: 2px;
}

.divider-light {
    background-color: var(--accent-green);
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-green);
    color: var(--primary-blue);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border: 2px solid var(--accent-green);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: var(--accent-green-dark);
    border-color: var(--accent-green-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 211, 153, 0.3);
}

.btn-primary-outline {
    display: inline-block;
    background-color: transparent;
    color: var(--primary-blue);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border: 2px solid var(--primary-blue);
}

.btn-primary-outline:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn-primary-outline) {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition-speed) ease;
}

.nav-links a:not(.btn-primary-outline):hover {
    color: var(--accent-green-dark);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--primary-blue);
    background-image: url('modern_lab_background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.7) 50%, rgba(10, 37, 64, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: #E2E8F0;
    margin-bottom: 2rem;
}

/* Journey Section */
.journey-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.journey-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.visual-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: 12px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    flex: 1;
    transition: transform var(--transition-speed) ease;
}

.visual-card:hover {
    transform: translateY(-5px);
}

.visual-card.highlight {
    background: var(--primary-blue-light);
    color: var(--white);
    border: none;
}

.visual-card.highlight h4 {
    color: var(--white);
}

.visual-card.highlight p {
    color: #CBD5E1;
}

.accent-icon {
    font-size: 2.5rem;
    color: var(--accent-green);
    margin-bottom: 1rem;
}

.visual-arrow {
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* Gallery / Facilities */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.gallery-img:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

.card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--accent-green);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem auto;
    background-color: rgba(52, 211, 153, 0.1);
    color: var(--accent-green-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 2rem;
    transition: all var(--transition-speed) ease;
}

.card:hover .card-icon {
    background-color: var(--accent-green);
    color: var(--white);
}

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

.about-text {
    font-size: 1.125rem;
}

.skill-list {
    list-style: none;
    margin-top: 2rem;
}

.skill-list li {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.skill-list i {
    color: var(--accent-green);
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-methods {
    margin-top: 3rem;
}

.method {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.method i {
    width: 60px;
    height: 60px;
    background-color: var(--bg-light);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
}

.method a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed) ease;
}

.method a:hover {
    color: var(--accent-green-dark);
}

.contact-form-container {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.2);
}

/* Footer */
footer {
    background-color: #051628;
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

footer .logo-text {
    color: var(--white);
    display: block;
    margin-bottom: 1rem;
}

footer p {
    color: #94A3B8;
    margin-bottom: 0;
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

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

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

/* Responsive */
@media (max-width: 900px) {
    .journey-content, .contact-grid, .about-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.25rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .journey-visual {
        flex-direction: column;
    }
    
    .visual-arrow {
        transform: rotate(90deg);
    }
}