:root {
    --primary: #005EB8;
    --primary-light: #4A90E2;
    --primary-dark: #00315F;
    --secondary: #16C2D5;
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --radius: 12px;
    --shadow-sm: 0 1px 3px 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);
}

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

body {
    font-family: 'Manrope', 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    transition: color 0.3s;
}

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

/* Layout */
.container {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Content Cards */
.content-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.content-card h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--background);
}

.content-card h2:first-child {
    margin-top: 0;
}

.content-card p {
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.content-card ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-main);
}

.content-card li {
    margin-bottom: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 94, 184, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.1s;
}

.btn:hover {
    background: var(--primary-dark);
}

.btn:active {
    transform: scale(0.98);
}

.btn-danger {
    background: #DC2626;
}

.btn-danger:hover {
    background: #B91C1C;
}

/* Footer */
footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-muted);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    .content-card {
        padding: 2rem 1.5rem;
    }
    .page-header h1 {
        font-size: 2rem;
    }
}