:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --success-hover: #15803d;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --warning: #ca8a04;
    --warning-hover: #a16207;
    --info: #0891b2;
    --info-hover: #0e7490;
    --secondary: #9333ea;
    --secondary-hover: #7e22ce;
    --bg-gray: #f9fafb;
    --text-main: #111827;
    --text-muted: #4b5563;
    --border-color: #e5e7eb;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-main);
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.nav-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
}

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

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

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

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

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

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

.btn-outline { 
    background: white; 
    border: 1px solid var(--border-color); 
    color: var(--text-muted); 
}
.btn-outline:hover { background: var(--bg-gray); }

.bg-blue { background-color: #eff6ff; border-color: #bfdbfe; }
.bg-green { background-color: #f0fdf4; border-color: #bbf7d0; }
.bg-yellow { background-color: #fefce8; border-color: #fef08a; }
.bg-red { background-color: #fef2f2; border-color: #fee2e2; }
.bg-purple { background-color: #faf5ff; border-color: #e9d5ff; }
.bg-orange { background-color: #fffaf0; border-color: #ffedd5; }

.contact-box {
    background: #f3f4f6;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 2rem;
}

.footer-links {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

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

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

input[type="email"], textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.checkbox-group input {
    margin-top: 0.25rem;
}

.hidden { display: none; }

@media (max-width: 640px) {
    h1 { font-size: 1.875rem; }
    .grid { grid-template-columns: 1fr; }
}