:root {
    --primary-blue: #000080;
    --secondary-blue: #1e40af;
    --accent-blue: #3b82f6;
    --light-blue: #eff6ff;
    --navy-dark: #0f172a;
    --text-dark: #1e293b;
    --text-main: #334155;
    --text-muted: #64748b;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --border-color: #e2e8f0;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif !important;
    background-color: var(--white);
    color: var(--text-main);
    line-height: 1.6;
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
    color: var(--navy-dark);
    font-weight: 800;
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.animate-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

.hover-scale {
    transition: var(--transition);
}

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

/* Button Professional Styles */
.btn-primary-blue {
    background: var(--primary-blue);
    color: var(--white) !important;
    border: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary-blue:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--secondary-blue);
    transition: var(--transition);
    z-index: -1;
}

.btn-primary-blue:hover:after {
    width: 100%;
}

.btn-primary-blue:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0,0,128,0.2);
}

/* Section Common Styling */
.section-padding {
    padding: 120px 0;
}

.section-title-container {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    color: var(--accent-blue);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 14px;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-size: 42px;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-blue);
    border-radius: 2px;
}

/* Card Professional Enhancements */
.card-professional {
    background: var(--white);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
}

.card-professional:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
}

/* Utility Classes */
.bg-light-blue { background-color: var(--bg-light); }
.text-primary-blue { color: var(--primary-blue); }

@media (max-width: 768px) {
    .section-padding { padding: 80px 0; }
    .section-title { font-size: 32px; }
}