/* Custom CSS Variables */
:root {
    --primary-color: #0B3D91;
    --secondary-color: #1E73BE;
    --accent-color: #FF5722;
    --gray-light: #F2F2F2;
    --text-dark: #333333;
    --white: #FFFFFF;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Utility Classes */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-accent { color: var(--accent-color); }
.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-accent { background-color: var(--accent-color); }

/* Navigation */
.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.cta-button {
    background-color: var(--accent-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.cta-button:hover {
    background-color: #E64A19;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
    color: white;
    text-decoration: none;
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Value Items */
.value-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.value-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 1rem;
    flex-shrink: 0;
    font-size: 1.5rem;
}

/* Service Cards */
.service-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-image {
    overflow: hidden;
}

.service-image img {
    transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-list {
    list-style: none;
    padding: 0;
}

.service-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Methodology Steps */
.methodology-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.contact-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.step-number-small {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Mobile Menu */
.mobile-menu-button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Mobile Menu Styles */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 40;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 1px solid #eee;
}

.mobile-menu a:hover {
    background-color: var(--gray-light);
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .hidden.md\\:flex {
        display: none !important;
    }
    
    .md\\:hidden {
        display: block !important;
    }
    
    /* Hero Section */
    .hero-section {
        padding-top: 100px;
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.1;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }
    
    /* Sections */
    .section-title {
        font-size: 1.8rem;
        text-align: center;
    }
    
    /* Service Cards */
    .service-card {
        margin-bottom: 2rem;
    }
    
    .service-card .grid.md\\:grid-cols-2 {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    /* Methodology */
    .methodology-step {
        flex-direction: column;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 1rem;
        align-self: center;
    }
    
    /* Values */
    .value-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .value-icon {
        margin-right: 0;
        margin-bottom: 1rem;
        align-self: center;
    }
    
    /* Contact Steps */
    .contact-step {
        flex-direction: column;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .step-number-small {
        margin-right: 0;
        margin-bottom: 1rem;
        align-self: center;
    }
    
    /* Grid Layouts */
    .grid.md\\:grid-cols-2 {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }
    
    .grid.lg\\:grid-cols-2 {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }
    
    /* Padding and Margins */
    .py-20 {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }
    
    .px-4 {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-3px);
}

/* Focus States for Accessibility */
.nav-link:focus,
.cta-button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .hero-section {
        background: white !important;
        color: black !important;
    }
    
    .nav-link,
    .cta-button {
        color: black !important;
    }
}

