:root {
    --primary-color: #0a2540;
    --secondary-color: #635bff;
    --accent-color: #00d4ff;
    --dark-color: #1a1f36;
    --light-color: #f7fafc;
    --gradient-start: #0a2540;
    --gradient-end: #102a49;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark-color);
    padding-top: 80px;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    transition: all 0.3s ease;
    padding: 1.2rem 0;
    background: rgba(255, 255, 255, 0.98) !important;
}

.navbar-scrolled {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1.2rem !important;
    color: var(--dark-color) !important;
    position: relative;
}

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

.nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 8rem 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.03)" x="0" y="0" width="100" height="100"/></svg>');
    opacity: 0.1;
}

.hero h1 {
    font-weight: 700;
    line-height: 1.2;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero .lead {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border: none;
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

/* Feature Cards */
.feature-card {
    padding: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.feature-card img {
    width: 100%;
    max-width: 180px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    padding: 0.8rem 2rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(99, 91, 255, 0.2);
}

.btn-primary:hover {
    background: #524dff;
    border-color: #524dff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 91, 255, 0.3);
}

.btn-outline-primary {
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

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

/* Contact Form */
.form-control {
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    transition: all 0.3s ease;
}

.form-control:focus {
    box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.1);
    border-color: var(--secondary-color);
    background: white;
}

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

footer a {
    color: rgba(255, 255, 255, 0.8) !important;
    transition: all 0.3s ease;
}

footer a:hover {
    color: white !important;
    text-decoration: none;
}

.social-links a {
    font-size: 1.5rem;
    margin-right: 1.5rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.social-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 6rem 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}