/* briefing.css — Formulario de descubrimiento (wizard multi-paso) */

.briefing-main {
    background: var(--surface);
    padding: clamp(6.5rem, 12vw, 8.5rem) 0 clamp(4rem, 8vw, 6rem);
    min-height: 70vh;
}

.briefing-intro {
    max-width: 720px;
    margin: 0 auto clamp(2rem, 5vw, 3rem);
    text-align: center;
}

.briefing-intro h1 {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    color: var(--ink);
    margin-bottom: 0.75rem;
}

.briefing-intro p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.6;
}

.briefing-error-banner {
    max-width: 820px;
    margin: 0 auto 1.5rem;
    background: rgba(10, 66, 128, 0.08);
    border: 1px solid rgba(10, 66, 128, 0.35);
    color: var(--primary-deep);
    padding: 0.85rem 1.1rem;
    border-radius: var(--r-sm);
    font-size: 0.9rem;
}

.briefing-error-banner[hidden] { display: none; }

.briefing-card {
    max-width: 820px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg);
    padding: clamp(1.5rem, 4vw, 3rem);
}

/* Progress */
.briefing-progress {
    margin-bottom: 2rem;
}

.briefing-progress-label {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.briefing-progress-track {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: var(--surface);
    overflow: hidden;
}

.briefing-progress-fill {
    height: 100%;
    border-radius: 999px;
    background: var(--grad-brand);
    transition: width 0.35s var(--ease);
    width: 0%;
}

.briefing-step[hidden] { display: none; }

.briefing-step-hint {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
    line-height: 1.5;
}

.briefing-field {
    margin-bottom: 1.35rem;
}

.briefing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.35rem;
}

@media (max-width: 640px) {
    .briefing-grid { grid-template-columns: 1fr; }
}

.briefing-field label,
.briefing-field legend {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.briefing-field .hint {
    display: inline;
    font-weight: 400;
    font-size: 0.82rem;
    color: var(--text-light);
}

.briefing-field input[type="text"],
.briefing-field input[type="email"],
.briefing-field input[type="tel"],
.briefing-field input[type="date"],
.briefing-field input[type="url"],
.briefing-field textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.briefing-field input:focus,
.briefing-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.briefing-field textarea {
    min-height: 96px;
    resize: vertical;
}

.briefing-field fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.briefing-choices {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.briefing-choice {
    position: relative;
    display: inline-flex;
    cursor: pointer;
}

.briefing-choice input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
}

.briefing-choice span {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    border: 1.5px solid var(--border);
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--text);
    background: var(--surface);
    transition: all 0.2s ease;
}

.briefing-choice input:checked + span {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}

.briefing-choice input:focus-visible + span {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.briefing-group-error {
    display: none;
    color: var(--primary-deep);
    font-size: 0.82rem;
    margin-top: 0.6rem;
}

.briefing-group-error.is-visible { display: block; }

.briefing-results {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.briefing-result-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.briefing-result-row input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.briefing-result-row input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.briefing-result-badge {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--grad-brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    font-family: var(--font-display);
}

.briefing-conditional-note {
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    padding: 0.9rem 1.1rem;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.briefing-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2.25rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border);
}

.briefing-nav .spacer { flex: 1; }

.briefing-nav .btn,
.briefing-nav .btn-submit {
    padding-left: 1.6rem;
    padding-right: 1.6rem;
}

.briefing-success {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg);
    padding: clamp(2.5rem, 6vw, 4rem);
}

.briefing-success[hidden] { display: none; }

.briefing-success .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.briefing-success h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--ink);
    margin-bottom: 0.75rem;
}

.briefing-success p {
    color: var(--text-light);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .briefing-nav {
        flex-wrap: wrap;
    }
    .briefing-nav .spacer {
        flex-basis: 100%;
        order: 1;
    }
}