:root {
    --brand-yellow: #FFCC00;
    --brand-black: #1A1A1A;
    --brand-white: #FFFFFF;
    --gray-border: #E0E0E0;
    --text-muted: #666666;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #F9F9F9;
    margin: 0;
    padding: 20px;
    color: var(--brand-black);
}

.main-card {
    max-width: 900px;
    margin: 0 auto;
    background: var(--brand-white);
    border: 1px solid var(--brand-black);
    padding: 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

header {
    background-color: var(--brand-white);
    color: var(--brand-black);
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--brand-black);
}

.header-left h1 {
    font-size: 24px;
    margin: 0;
    color: var(--brand-black);
}

.header-left p {
    margin: 5px 0 0 0;
    font-size: 14px;
    font-weight: bold;
}

.ruc-info {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
    padding-top: 5px;
    border-top: 1px dashed #ccc;
}

.ruc-info a {
    color: var(--brand-black);
    text-decoration: none;
    font-weight: bold;
}

.ruc-info a:hover {
    color: var(--brand-yellow);
}

.header-right {
    text-align: right;
    font-size: 12px;
}

.status-tag {
    background: var(--brand-yellow);
    color: var(--brand-black);
    padding: 4px 8px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 10px;
}

.info-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--gray-border);
    text-align: center;
    background: #FAFAFA;
}

.info-item {
    padding: 15px;
    border-right: 1px solid var(--gray-border);
}

.info-item:last-child { border-right: none; }

.info-label { font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: bold; }
.info-value { font-size: 14px; font-weight: bold; margin-top: 5px; }

form { padding: 40px; }

.intro-text {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 30px;
    padding: 15px;
    border-left: 4px solid var(--brand-yellow);
    background: #FFFDEF;
}

h2 {
    font-size: 16px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--brand-black);
    padding-bottom: 8px;
    margin: 40px 0 20px 0;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.full { grid-column: span 2; }

.form-group { display: flex; flex-direction: column; margin-bottom: 15px; }

label { font-size: 12px; font-weight: bold; margin-bottom: 6px; }

input, select, textarea {
    padding: 12px;
    border: 1px solid var(--gray-border);
    font-size: 14px;
    transition: 0.3s;
}

input:focus, textarea:focus {
    border-color: var(--brand-black);
    outline: none;
    background: #FAFAFA;
}

.radio-group {
    display: flex;
    gap: 20px;
    padding: 10px 0;
}

.radio-item { display: flex; align-items: center; font-size: 13px; cursor: pointer; }
.radio-item input { margin-right: 8px; }

.char-count { font-size: 11px; color: var(--text-muted); text-align: right; margin-top: 4px; }

.legal-footer {
    background: #F4F4F4;
    padding: 30px;
    font-size: 12px;
    color: #555;
    line-height: 1.6;
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
    border-top: 1px solid #CCC;
    padding-top: 20px;
}

.btn-submit {
    background: var(--brand-black);
    color: var(--brand-yellow);
    border: none;
    padding: 20px;
    width: 100%;
    font-weight: 900;
    font-size: 16px;
    cursor: pointer;
    text-transform: uppercase;
    margin-top: 20px;
}

.btn-submit:hover { background: #333; }
.btn-submit:disabled { background: #666; cursor: not-allowed; }

@media (max-width: 600px) {
    .grid, .info-bar { grid-template-columns: 1fr; }
    .info-item { border-right: none; border-bottom: 1px solid var(--gray-border); }
}