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

:root {
    --primary-color: #1e3c72;
    --secondary-color: #2a5298;
    --accent-color: #ff6b35;
    --accent-secondary: #f7931e;
    --text-dark: #2c3e50;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --success: #27ae60;
    --warning: #ffd700;
    --shadow: 0 5px 15px rgba(0,0,0,0.1);
    --shadow-hover: 0 15px 30px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --border-radius: 15px;
}

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

html {
    scroll-behavior: smooth;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(30, 60, 114, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.logo i {
    margin-right: 0.5rem;
    color: var(--warning);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--warning);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--warning);
}

.mobile-menu {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu:hover {
    color: var(--warning);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><polygon fill="rgba(255,255,255,0.1)" points="0,400 300,350 600,380 900,320 1200,360 1200,600 0,600"/><polygon fill="rgba(255,255,255,0.05)" points="0,480 200,440 500,470 800,420 1200,450 1200,600 0,600"/></svg>');
    background-size: cover;
    background-position: bottom;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s ease 0.5s forwards;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s ease 0.7s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s ease 0.9s forwards;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    gap: 0.5rem;
}

.cta-button.primary {
    background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary));
    color: white;
}

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

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

.cta-button.secondary:hover {
    background: white;
    color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Sections */
.section {
    padding: 80px 0;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary));
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Mobile Menu Styles */
.nav-menu.active {
    transform: translateX(0);
    opacity: 1;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* Animation Classes */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Service Cards Animation */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

/* Feature Cards Animation */
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Icon Animations */
.service-icon i, .feature-icon i {
    transition: transform 0.3s ease, color 0.3s ease;
}

.service-icon i:hover, .feature-icon i:hover {
    transform: scale(1.1) rotate(5deg);
    color: var(--accent-color);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-body {
    margin: 1rem 0;
}

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

.modal-body ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.modal-body li {
    margin: 0.5rem 0;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Active Navigation Link */
.nav-link.active {
    color: var(--accent-color);
}

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

/* Loading Animation */
body.page-loaded {
    opacity: 1;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin: 1rem 0;
    gap: 1rem;
}

.feature-item i {
    color: var(--success);
    font-size: 1.2rem;
}

.vision-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.vm-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.vm-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

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

.service-list {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
}

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

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

.service-btn {
    background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.service-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

/* Why Choose Us Section */
.why-choose-us {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.8rem;
}

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

/* Clients Section */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.client-placeholder {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 2px dashed #ddd;
}

.client-placeholder:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.client-placeholder i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin: 1rem 0;
}

.contact-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.reg-item {
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 10px;
    margin: 0.5rem 0;
}

.reg-item span {
    font-weight: bold;
    color: var(--accent-color);
}

.cta-section {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin: 0.5rem 0;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Mobile Menu Styles */
.mobile-menu {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: var(--transition);
}

.mobile-menu:hover {
    background: rgba(255,255,255,0.1);
}

.mobile-menu i {
    transition: transform 0.3s ease;
}

/* Responsive Mobile Menu */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        flex-direction: column;
        padding: 2rem;
        transform: translateX(100%);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
        box-shadow: var(--shadow);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .mobile-menu.active i {
        transform: rotate(90deg);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .vision-mission {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}