:root {
    /* Modern Color Palette */
    --primary-color: #2563EB;
    --primary-dark: #1E40AF;
    --primary-light: #3B82F6;
    --secondary-color: #0EA5E9;
    --accent-color: #22C55E;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --dark-color: #0B1220;
    --dark-alt: #1E293B;
    --light-color: #F8FAFC;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;
    
    /* Spacing */
    --section-padding: 100px;
    --section-padding-sm: 60px;
    --card-radius: 16px;
    --btn-radius: 8px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-700);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-color);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
}

a {
    transition: all 0.3s ease;
}

/* Section Styling */
.section {
    padding: var(--section-padding) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--section-padding-sm) 0;
    }
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
}

/* Navbar Enhancements */
.navbar {
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    box-shadow: var(--shadow);
    padding: 0.5rem 0;
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700) !important;
    padding: 0.5rem 1rem !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white !important;
    transform: translateX(5px);
}

.dropdown-item:hover i {
    color: white !important;
}

/* Modern Hero Section */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

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

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    color: white;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.hero-content p {
    color: rgba(255,255,255,0.95);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-image {
    position: relative;
    animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Modern Buttons */
.btn {
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: var(--btn-radius);
    transition: all 0.3s ease;
    font-size: 0.9375rem;
    border: none;
}

.btn-modern,
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-modern:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    color: white;
}

.btn-outline-light {
    border: 2px solid rgba(255,255,255,0.9);
    color: white;
    background: transparent;
}

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

/* Modern Cards */
.card {
    border: none;
    border-radius: var(--card-radius);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.service-card {
    height: 100%;
    overflow: hidden;
    background: white;
    border: 1px solid var(--gray-100);
}

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

.service-card .card-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.card-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.card-text {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Feature Boxes */
.feature-box {
    padding: 2.5rem 2rem;
    border-radius: var(--card-radius);
    background: white;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--gray-100);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.feature-box:hover h5,
.feature-box:hover p,
.feature-box:hover i {
    color: white !important;
}

.feature-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: block;
}

/* Stats Counter */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
}

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

.testimonial-card .quote-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.15; }
}

/* Modern Footer */
.footer-modern {
    background: linear-gradient(180deg, #0B1220 0%, #1E293B 100%);
    position: relative;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-200);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-contact li {
    margin-bottom: 1rem;
    color: var(--gray-200);
    display: flex;
    align-items: center;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    color: white;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-section {
        min-height: 70vh;
        padding: 80px 0 60px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
}

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