:root {
    --color-primary: #fc4b08;
    --color-primary-dark: #de2e03;
    --color-secondary: #ff7c39;
    --color-bg: #fdf4ef;
    --color-text: #333333;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 24px 16px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 28px;
}

header p {
    margin: 8px 0 0 0;
    font-size: 15px;
    opacity: 0.95;
}

.main-container {
    max-width: 900px;
    margin: 30px auto 40px auto;
    padding: 0 16px;
}

.card {
    background: #ffffff;
    padding: 24px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    margin-bottom: 24px;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 10px;
}

.form-section-title {
    margin-top: 20px;
    margin-bottom: 8px;
    font-size: 18px;
    color: var(--color-primary-dark);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px 24px;
    margin-top: 10px;
}

.form-group {
    text-align: left;
}

.form-group label {
    font-size: 14px;
    font-weight: bold;
    display: block;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

.form-group textarea {
    min-height: 70px;
    resize: vertical;
}

.checkbox-group {
    text-align: left;
    margin-top: 12px;
}

.checkbox-group label {
    font-weight: normal;
    font-size: 14px;
}

.btn,
button.btn {
    display: inline-block;
    padding: 10px 22px;
    margin-top: 18px;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 999px;
    font-size: 15px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.btn:hover,
button.btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 5px 12px rgba(0,0,0,0.18);
}

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

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

.error-list {
    background: #ffe3dd;
    border: 1px solid #ffb3a3;
    color: #7a1600;
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    text-align: left;
}

.error-list ul {
    margin: 0;
    padding-left: 18px;
}

footer {
    text-align: center;
    padding: 14px;
    color: #777;
    font-size: 13px;
}

/* Responsivo */
@media (max-width: 600px) {
    header h1 { font-size: 22px; }
    .card { padding: 18px 16px; }
}