/* ============ LAB — Laboratorio de Saberes ============ */
:root {
    --lab-primary: #b45309;
    --lab-deep: #7c2d12;
    --lab-mid: #c2410c;
    --lab-accent: #f59e0b;
    --lab-light: #fef3c7;
    --lab-gradient: linear-gradient(135deg, #7c2d12 0%, #b45309 35%, #d97706 70%, #f59e0b 100%);
    --lab-gradient-soft: linear-gradient(135deg, rgba(180,83,9,0.08) 0%, rgba(245,158,11,0.08) 100%);
}
[data-theme="dark"] {
    --lab-light: rgba(245,158,11,0.15);
}

/* ─── Hero ─── */
.hero--lab {
    background: var(--lab-gradient);
    min-height: 78vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--sp-20) 0 var(--sp-16);
}
.hero--lab::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(135deg, transparent 45%, rgba(0,0,0,0.22) 100%),
        radial-gradient(circle at 20% 20%, rgba(252,211,77,0.30), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(217,119,6,0.30), transparent 50%);
    z-index: 0;
}
.hero--lab::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    z-index: 0;
}
.hero--lab .container { position: relative; z-index: 1; }

.lab-edition-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.14);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid rgba(255,255,255,0.24);
    margin-bottom: var(--sp-5);
}
.lab-edition-badge .pulse-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #fcd34d;
    box-shadow: 0 0 0 0 rgba(252,211,77,.7);
    animation: pulseDotLab 2s infinite;
}
@keyframes pulseDotLab {
    0% { box-shadow: 0 0 0 0 rgba(252,211,77,.6); }
    70% { box-shadow: 0 0 0 12px rgba(252,211,77,0); }
    100% { box-shadow: 0 0 0 0 rgba(252,211,77,0); }
}

.hero--lab .hero-title {
    font-size: clamp(2.1rem, 4.5vw, 3.6rem);
    line-height: 1.08;
    color: #fff;
    margin-bottom: var(--sp-5);
}
.hero--lab .hero-title .hl {
    background: linear-gradient(120deg, #fcd34d 0%, #fff 50%, #fde68a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
}
.hero--lab .hero-subtitle {
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    color: rgba(255,255,255,0.96);
    max-width: 760px;
    margin: 0 auto var(--sp-6);
    line-height: 1.6;
}
.hero--lab .hero-quote {
    font-style: italic;
    font-family: var(--font-heading);
    font-weight: 500;
    color: rgba(255,255,255,0.92);
    max-width: 620px;
    margin: var(--sp-4) auto var(--sp-6);
    font-size: 1rem;
    line-height: 1.5;
    border-left: 3px solid rgba(252,211,77,0.7);
    padding-left: var(--sp-3);
    text-align: left;
}
.hero--lab .hero-quote cite {
    display: block;
    margin-top: .35rem;
    font-style: normal;
    font-size: .78rem;
    color: rgba(255,255,255,0.78);
    letter-spacing: 0.04em;
}

.lab-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    justify-content: center;
    margin: var(--sp-6) 0 var(--sp-8);
}
.lab-hero-meta span {
    background: rgba(0,0,0,0.22);
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-family: var(--font-ui);
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.22);
    backdrop-filter: blur(6px);
}
.lab-hero-meta span i { margin-right: 0.4rem; opacity: 0.9; }

.btn-lab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #fff;
    color: var(--lab-deep);
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(124,45,18,0.35);
}
.btn-lab:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(124,45,18,0.45);
    color: var(--lab-deep);
}
.btn-lab--ghost {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.5);
    backdrop-filter: blur(6px);
    box-shadow: none;
}
.btn-lab--ghost:hover {
    background: rgba(255,255,255,0.18);
    color: #fff;
}

/* ─── Info bar ─── */
.lab-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(124,45,18,0.08);
}
.lab-stat {
    background: var(--color-surface);
    padding: var(--sp-5) var(--sp-3);
    text-align: center;
    transition: background 0.2s;
}
.lab-stat:hover { background: var(--lab-light); }
.lab-stat__icon {
    font-size: 1.5rem;
    color: var(--lab-primary);
    margin-bottom: 0.5rem;
}
.lab-stat__value {
    display: block;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.3rem;
}
.lab-stat__label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: var(--font-ui);
}

/* ─── Ejes (los 7 + 2 transversales) ─── */
.lab-axis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--sp-5);
}
.lab-axis {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.lab-axis::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--lab-gradient);
}
.lab-axis:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(124,45,18,0.10);
}
.lab-axis__num {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3rem;
    line-height: 1;
    background: var(--lab-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
}
.lab-axis__title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: var(--sp-3);
}
.lab-axis__text {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin: 0;
}
.lab-axis--transversal {
    background: var(--lab-gradient-soft);
    border: 1px solid rgba(245,158,11,0.30);
}

/* ─── FAQ ─── */
.lab-faq {
    max-width: 820px;
    margin: 0 auto;
}
.lab-faq details {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--sp-3);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.lab-faq details[open] {
    border-color: var(--lab-accent);
    box-shadow: 0 8px 20px rgba(124,45,18,0.08);
}
.lab-faq summary {
    padding: var(--sp-4) var(--sp-5);
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    transition: background 0.2s;
}
.lab-faq summary:hover { background: var(--lab-light); }
.lab-faq summary::-webkit-details-marker { display: none; }
.lab-faq summary::after {
    content: '+';
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--lab-gradient);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    transition: transform 0.3s;
}
.lab-faq details[open] summary::after { transform: rotate(45deg); }
.lab-faq__body {
    padding: 0 var(--sp-5) var(--sp-5);
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ─── Section label (acento LAB) ─── */
.lab-section-label {
    display: inline-block;
    background: var(--lab-gradient-soft);
    color: var(--lab-primary);
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
}
[data-theme="dark"] .lab-section-label { color: #fcd34d; }

/* ─── Cita / pull-quote ─── */
.lab-pullquote {
    max-width: 820px;
    margin: var(--sp-8) auto 0;
    background: var(--lab-gradient-soft);
    border-left: 4px solid var(--lab-primary);
    padding: var(--sp-5) var(--sp-6);
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-style: italic;
    color: var(--color-primary);
    font-size: 1.05rem;
    line-height: 1.55;
}

@media (max-width: 768px) {
    .hero--lab { min-height: auto; padding: var(--sp-12) 0 var(--sp-10); }
    .hero--lab .hero-quote { max-width: 100%; }
}

/* ─── Form ─── */
.lab-form-wrap {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--sp-8);
    border: 1px solid var(--color-border);
    max-width: 760px;
    margin: 0 auto;
    box-shadow: 0 20px 50px rgba(124,45,18,0.10);
    position: relative;
    overflow: hidden;
}
.lab-form-wrap::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--lab-gradient);
}
.lab-form .form-label {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.92rem;
    margin-bottom: 0.4rem;
}
.lab-form .form-label .req { color: #dc2626; margin-left: 2px; }
.lab-form .form-control,
.lab-form .form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.lab-form .form-control:focus,
.lab-form .form-select:focus {
    border-color: var(--lab-primary);
    box-shadow: 0 0 0 3px rgba(180,83,9,0.18);
    outline: none;
}
.lab-form textarea { resize: vertical; min-height: 100px; }
.lab-form .form-check-input:checked {
    background-color: var(--lab-primary);
    border-color: var(--lab-primary);
}
.btn-lab-submit {
    background: var(--lab-gradient);
    color: #fff;
    border: none;
    padding: 0.85rem 2.5rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 10px 24px rgba(124,45,18,0.35);
}
.btn-lab-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(124,45,18,0.45);
    color: #fff;
}
.btn-lab-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}
.lab-form-success {
    display: none;
    text-align: center;
    padding: var(--sp-8) var(--sp-4);
}
.lab-form-success__icon {
    width: 84px; height: 84px;
    margin: 0 auto var(--sp-4);
    border-radius: 50%;
    background: var(--lab-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    box-shadow: 0 12px 28px rgba(124,45,18,0.4);
}

/* ─── Validación inline ─── */
.lab-form .form-control.is-invalid,
.lab-form .form-select.is-invalid,
.lab-form .form-check-input.is-invalid {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220,38,38,0.12);
}
.lab-field-error {
    color: #dc2626;
    font-size: 0.82rem;
    margin-top: 0.35rem;
    line-height: 1.4;
    display: none;
    font-weight: 500;
}
.lab-field-error.is-visible { display: block; }

.lab-mail-suggest {
    background: #fef9c3;
    border: 1px solid #facc15;
    border-radius: 8px;
    padding: 0.6rem 0.85rem;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #713f12;
    line-height: 1.5;
    display: none;
}
.lab-mail-suggest.is-visible { display: block; }
.lab-mail-suggest__btn {
    background: none;
    border: none;
    color: var(--lab-primary);
    font-weight: 700;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    margin-right: 0.8rem;
}
.lab-mail-suggest__btn:hover { color: var(--lab-deep); }
.lab-mail-suggest__btn--secondary {
    color: #78716c;
    font-weight: 500;
    text-decoration: none;
}

/* ─── Modal de confirmación ─── */
.lab-modal {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4);
}
.lab-modal.is-open { display: flex; }
.lab-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15,23,42,0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.lab-modal__dialog {
    position: relative;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.35);
    max-width: 560px;
    width: 100%;
    max-height: 92vh;
    overflow-y: auto;
    animation: labModalIn 0.22s ease-out;
}
@keyframes labModalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.lab-modal__header {
    padding: var(--sp-5) var(--sp-6) var(--sp-3);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--sp-3);
    border-bottom: 1px solid #e5e7eb;
}
.lab-modal__header h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--lab-primary);
    font-size: 1.25rem;
}
.lab-modal__close {
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    color: #6b7280;
    cursor: pointer;
    padding: 0;
    margin-top: -0.2rem;
}
.lab-modal__close:hover { color: #111; }
.lab-modal__body {
    padding: var(--sp-5) var(--sp-6);
}
.lab-modal__body > p:first-child {
    margin: 0 0 var(--sp-4);
    color: #4b5563;
    font-size: 0.92rem;
    line-height: 1.55;
}
.lab-summary {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: var(--sp-4);
    margin-bottom: var(--sp-4);
    font-size: 0.9rem;
}
.lab-summary__row {
    display: flex;
    gap: 0.8rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid #f3f4f6;
}
.lab-summary__row:last-child { border-bottom: none; }
.lab-summary__label {
    flex: 0 0 110px;
    color: #6b7280;
    font-weight: 600;
    font-size: 0.82rem;
}
.lab-summary__value {
    flex: 1;
    color: #111827;
    word-break: break-word;
}
.lab-dni-warn {
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: 8px;
    padding: 0.7rem 0.95rem;
    margin-bottom: var(--sp-4);
    font-size: 0.85rem;
    color: #78350f;
    line-height: 1.5;
}
.lab-mail-confirm__error {
    color: #dc2626;
    font-size: 0.82rem;
    margin-top: 0.35rem;
    font-weight: 500;
}
.lab-mail-confirm__ok {
    color: #047857;
    font-size: 0.82rem;
    margin-top: 0.35rem;
    font-weight: 500;
}
.lab-modal__footer {
    padding: var(--sp-3) var(--sp-6) var(--sp-5);
    display: flex;
    gap: var(--sp-3);
    justify-content: flex-end;
    flex-wrap: wrap;
}
.lab-modal__footer .btn-lab-submit,
.lab-modal__footer .btn-ulib--outline {
    margin: 0;
}
@media (max-width: 480px) {
    .lab-modal__footer { flex-direction: column-reverse; }
    .lab-modal__footer button { width: 100%; }
}

/* ─── Loader fullscreen ─── */
.lab-loader-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15,23,42,0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.lab-loader-overlay.is-visible { display: flex; }
.lab-loader-card {
    background: #fff;
    border-radius: 16px;
    padding: var(--sp-6) var(--sp-7);
    text-align: center;
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
    max-width: 360px;
    width: calc(100% - 2rem);
}
.lab-loader-spinner {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--sp-4);
    border-radius: 50%;
    background: var(--lab-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 10px 28px rgba(124,45,18,0.35);
}
.lab-loader-text {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--lab-primary);
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}
.lab-loader-sub {
    font-size: 0.85rem;
    color: #6b7280;
    line-height: 1.5;
}

/* ─── Sticky inscribirme ─── */
.lab-sticky-cta {
    position: fixed;
    bottom: 24px; right: 24px;
    background: var(--lab-gradient);
    color: #fff;
    padding: 0.8rem 1.6rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    box-shadow: 0 12px 30px rgba(124,45,18,0.45);
    text-decoration: none;
    display: none;
    align-items: center;
    gap: 0.5rem;
    z-index: 60;
    transition: transform 0.2s;
}
.lab-sticky-cta:hover {
    transform: translateY(-3px);
    color: #fff;
}
.lab-sticky-cta.is-visible { display: inline-flex; }
.lab-sticky-cta.is-hidden { display: none !important; }
@media (max-width: 768px) {
    .lab-sticky-cta {
        bottom: 80px; right: 16px;
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }
    .lab-form-wrap { padding: var(--sp-5); }
}