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

:root {
    --primary-blue: #1a365d;
    --accent-orange: #ff6b35;
    --light-gray: #f8f9fa;
    --dark-gray: #2d3748;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
}

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

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

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

.nav-links a:hover {
    color: var(--accent-orange);
}

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

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

/* Hero Section with Advanced Slider */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #2d3748 100%);
}

.slider-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    transition: transform 8s ease-in-out;
}

.slide.active .slide-bg {
    transform: scale(1);
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 2rem;
}

.slide-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 1s ease forwards 0.5s;
}

.slide-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 1s ease forwards 0.8s;
}

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

/* Animated Button */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent-orange);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 1s ease forwards 1.1s;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

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

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

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-orange), var(--primary-blue));
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
}

/* Animated Stats */
.stats {
    padding: 80px 0;
    background: var(--primary-blue);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.stat-item {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
}

/* Page Specific Styles */
.page-hero {
    height: 60vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #2d3748 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 2rem;
}

.content-grid {
    display: grid;
    gap: 3rem;
}

/* Advanced Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* Particle Background */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: var(--accent-orange);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .slide-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader-content {
    text-align: center;
    color: var(--white);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top: 3px solid var(--accent-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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