:root {
    --primary: #2C3E50;
    --secondary: #34495E;
    --accent: #E67E22;
    --bg: #F8F9F9;
    --text: #333;
    --white: #FFF;
    --border: #D5D8DC;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

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

h1 {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.card h2 {
    color: var(--secondary);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

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

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

input[type="text"], 
textarea, 
select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input[type="text"]:focus, 
textarea:focus, 
select:focus {
    outline: none;
    border-color: var(--accent);
}

input[type="file"] {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.option-box {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.option-box h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    text-align: center;
    width: 100%;
}

.btn:hover {
    background: #D35400;
    transform: translateY(-2px);
}

.feature-list {
    margin-bottom: 1rem;
}

.feature-item {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.feature-item input {
    flex: 1;
}

.pdf-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

.pdf-link:hover {
    text-decoration: underline;
}