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

:root {
    --primary: #0066cc;
    --primary-dark: #004999;
    --secondary: #00c9ff;
    --dark: #1a1a2e;
    --gray: #f8f9fa;
    --text: #2c3e50;
    --light-text: #6c757d;
    --success: #28a745;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
}

/* Navigation */
nav {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    margin-right: auto;
    padding-right: 3rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
}

.cta-btn {
    background: var(--primary) !important;
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    transition: background 0.3s;
}

.cta-btn:hover {
    background: var(--primary-dark) !important;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(26,26,46,0.95) 0%, rgba(0,73,153,0.95) 100%), url('hero-bg.svg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,201,255,0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--dark);
}

/* Stats Section */
.stats {
    background: var(--gray);
    padding: 3rem 2rem;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-box {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--light-text);
    font-size: 1rem;
}

/* Section Styles */
section {
    padding: 4rem 2rem;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    border-left: 4px solid var(--primary);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-left-color: var(--secondary);
}

.value-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.value-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform 0.3s;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 5px 20px rgba(0,102,204,0.1);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.service-card h3 {
    color: var(--dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.service-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
    transition: transform 0.3s;
}

.service-link:hover {
    transform: translateX(5px);
}

/* Service Detail */
.service-detail {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
    border-left: 4px solid var(--primary);
}

.service-detail .service-icon {
    width: 70px;
    height: 70px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
}

.service-detail h2 {
    color: var(--dark);
    margin-bottom: 1rem;
}

.service-detail h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    margin-top: 2rem;
}

.service-detail ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-detail li {
    margin-bottom: 0.5rem;
    color: var(--text);
}

.service-highlight {
    background: var(--gray);
    padding: 1.5rem;
    border-radius: 5px;
    margin-top: 1.5rem;
    border-left: 4px solid var(--primary);
}

/* Case Study */
.case-study {
    background: var(--gray);
}

.case-content {
    background: white;
    border-radius: 10px;
    padding: 3rem;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.case-tag {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.9rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.result-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.checkmark {
    color: var(--success);
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

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

.submit-btn {
    width: 100%;
    background: var(--primary);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: var(--primary-dark);
}

.submit-btn:disabled {
    background: var(--light-text);
    cursor: not-allowed;
}

.form-message {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.contact-info {
    max-width: 700px;
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.contact-info-item {
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.contact-info-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-info-item a {
    color: var(--text);
    text-decoration: none;
}

.contact-info-item a:hover {
    color: var(--primary);
}

/* About Page */
.about-hero {
    text-align: center;
    margin-bottom: 3rem;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    font-weight: bold;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item h3 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.timeline-period {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--secondary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 250px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-radius: 5px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    z-index: 1000;
    list-style: none;
}

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

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text);
    text-decoration: none;
    transition: background 0.3s;
}

.dropdown-menu a:hover {
    background: var(--gray);
    color: var(--primary);
}

.dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.8em;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
}