:root {
    /* Palette - Emory Inspired & Modernized */
    --primary-blue: #002878;
    --primary-dark: #001a53;
    --accent-gold: #D28E00;
    --accent-gold-hover: #b57b00;
    
    /* Neutrals */
    --bg-body: #F9FAFB;
    --bg-surface: #FFFFFF;
    --text-main: #111827;
    --text-muted: #6B7280;
    --text-light: #9CA3AF;
    --border-light: #E5E7EB;

    /* Spacing & Layout */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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-blue: 0 10px 25px -5px rgba(0, 40, 120, 0.25);

    /* Animation */
    --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Modern Typography Overrides */
h1, h2, h3, h4, h5, h6 {
    font-family: "Exo", sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--primary-blue);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

/* Subtle underline decoration for page titles */
.page-header h1::after {
    content: '';
    display: block;
    width: 60%;
    height: 4px;
    background: var(--accent-gold);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

/* Component: Modern Cards */
.modern-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Component: Buttons */
.btn-primary-modern {
    background-color: var(--primary-blue);
    color: white;
    font-family: "Exo", sans-serif;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    box-shadow: var(--shadow-blue);
    transition: all 0.2s var(--ease-out);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-modern:hover {
    background-color: var(--primary-dark);
    transform: scale(1.02);
    box-shadow: 0 15px 30px -5px rgba(0, 40, 120, 0.4);
    text-decoration: none;
    color: white;
}

.btn-secondary-modern {
    background-color: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    font-family: "Exo", sans-serif;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.btn-secondary-modern:hover {
    background-color: var(--bg-body);
    color: var(--primary-dark);
    text-decoration: none;
}

/* Feature: Registration Hero Section */
.registration-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--bg-surface) 0%, #EFF6FF 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
}

/* Decorative background element */
.registration-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 200px;
    height: 200px;
    background: var(--accent-gold);
    opacity: 0.05;
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
}

.registration-hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
    z-index: 1;
}

.registration-hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2rem;
    z-index: 1;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    z-index: 1;
}

.status-badge.open {
    background-color: #DEF7EC;
    color: #03543F;
    border: 1px solid #BCF0DA;
}

/* Navbar Modernization */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-family: "Exo", sans-serif;
    font-weight: 800;
    color: var(--primary-blue) !important;
    letter-spacing: -0.03em;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted) !important;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-item.active .nav-link {
    color: var(--primary-blue) !important;
}

.nav-item.active .nav-link {
    position: relative;
}

.nav-item.active .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.5rem;
    right: 0.5rem;
    height: 2px;
    background-color: var(--accent-gold);
    border-radius: 2px;
}
