/* --- 1. HERO SECTION --- */
.intro-instructor {
    background-color: #ffffff;
    overflow: hidden;
    padding-top: 0;
    position: relative;
}

    /* Efecto de fondo sutil */
    .intro-instructor::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 80%;
        height: 200%;
        background: radial-gradient(circle, rgba(0, 77, 167, 0.03) 0%, transparent 70%);
        z-index: 0;
        pointer-events: none;
    }

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 60vh;
    position: relative;
    z-index: 1;
}

.intro-text {
    padding: 4rem 2rem 4rem 0;
}

    .intro-text h1 {
        font-size: 3rem;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 1.5rem;
        color: var(--azul-principal);
    }

.text-highlight {
    color: var(--azul-principal);
    position: relative;
    white-space: nowrap;
}

.page-lead {
    font-size: 1.25rem;
    color: var(--negro);
    margin-bottom: 1rem;
    font-weight: 500;
}

.page-note {
    font-size: 1rem;
    color: var(--gris-oscuro);
    margin-bottom: 2rem;
}

.hero-cta-wrapper {
    margin-top: 2rem;
    text-align: right;
    width: 100%;
    padding-right: 2rem;
}

/* EFECTO IMAGEN RESTAURADO */
.intro-image {
    height: 100%;
    position: relative;
    display: flex;
    justify-content: flex-end;
}

    .intro-image img {
        width: 90%;
        height: auto;
        object-fit: cover;
        clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
        box-shadow: -10px 10px 30px rgba(0,0,0,0.1);
    }

/* --- 2. PILLARS SECTION --- */
.pillars-section {
    padding: 5rem 0;
    background-color: #ffffff;
    padding-top: 0;
}

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

    .section-header h2 {
        color: var(--azul-principal);
        font-weight: 800;
    }

.section-subtitle {
    max-width: 700px;
    margin: 1rem auto 0;
    color: var(--gris-oscuro);
}

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

.pillar-card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--gris-claro);
    transition: transform 0.3s ease, border-color 0.3s ease;
    text-align: center;
}

    .pillar-card:hover {
        transform: translateY(-5px);
        border-color: var(--azul-principal);
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }

.icon-box {
    color: var(--azul-principal);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.pillar-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--negro);
}

/* --- 3. FORM SECTION --- */
.form-section {
    padding: 4rem 0 6rem;
    background: var(--gris-claro);
}

.form-card {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border: 1px solid var(--gris-claro);
}

.form-header {
    background-color: var(--gris-oscuro);
    color: #fff;
    padding: 1.5rem;
    text-align: center;
}

    .form-header h4 {
        margin: 0;
        color: #fff;
        font-size: 1.25rem;
    }

.form-body {
    padding: 3rem;
}

.form-section-title {
    color: var(--azul-principal);
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid var(--azul-principal);
}

.form-divider {
    margin: 2.5rem 0;
    border-top: 1px solid var(--gris-claro);
}

.proposal-type-selector {
    margin-bottom: 2rem;
    text-align: center;
}

.btn-outline-primary {
    color: var(--azul-principal);
    border-color: var(--azul-principal);
}

.btn-check:checked + .btn-outline-primary {
    background-color: var(--azul-principal);
    border-color: var(--azul-principal);
    color: #fff;
}

.proposal-details-box {
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--gris-claro);
    animation: fadeIn 0.4s ease;
}

.terms-box {
    background-color: #fff;
    padding: 1rem;
    border: 1px solid var(--gris-claro);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- 4. FRANJA INFO --- */
.franja-info {
    background-color: var(--azul-principal);
    color: #fff;
    text-align: center;
    padding: 4rem 0;
}

    .franja-info h3 {
        color: #fff;
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .franja-info p {
        color: rgba(255,255,255,0.9);
        font-size: 1.2rem;
        max-width: 800px;
        margin: 0 auto;
    }

/* --- 5. MODAL PERSONALIZADO --- */
.modal-header-custom {
    background-color: #fff; /* Blanco */
    border-bottom: 1px solid var(--gris-claro);
}

.modal-title-custom {
    color: var(--azul-principal); /* Azul */
    font-weight: 700;
}

.letter-spacing-2 {
    letter-spacing: 0.5rem;
}

/* --- 6. NUEVOS ESTILOS: CV FIRST UI --- */

/* ZONA DE CARGA DRAG & DROP */
.upload-wrapper {
    margin-bottom: 2rem;
    position: relative;
}

.drop-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: #f8fafc;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

    .drop-zone:hover, .drop-zone.drag-over {
        background-color: #e0f2fe; /* Azul muy claro */
        border-color: var(--azul-principal);
        transform: scale(1.01);
    }

.drop-icon {
    font-size: 3rem;
    color: #94a3b8;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.drop-zone:hover .drop-icon {
    color: var(--azul-principal);
}

.drop-text h5 {
    font-weight: 700;
    color: var(--negro);
    margin-bottom: 0.5rem;
}

.drop-text p {
    color: var(--gris-oscuro);
    font-size: 0.9rem;
    margin: 0;
}

/* VISTA PREVIA (THUMBNAIL) */
.file-preview-card {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.4s ease;
}

.file-name {
    font-weight: 700;
    color: var(--negro);
    display: block;
}

.file-status {
    font-size: 0.85rem;
    color: #10b981; /* Verde */
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-change-file {
    color: var(--gris-oscuro);
    text-decoration: underline;
    font-size: 0.9rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin-left: auto; /* Empuja el botón a la derecha */
}

/* ICONOS DOCUMENTOS */
.icon-pdf {
    color: #ef4444;
    font-size: 2rem;
}

.icon-word {
    color: #3b82f6;
    font-size: 2rem;
}

.file-icon {
    width: 60px;
    height: 60px;
    background-color: #f1f5f9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* LOADER IA */
.ai-loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: 12px;
}

.spinner-ai {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid var(--azul-principal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.ai-text {
    font-weight: 600;
    color: var(--azul-principal);
    font-size: 0.9rem;
    animation: pulse 1.5s infinite;
}

/* EFECTO BLUR/LOCK PARA EL FORMULARIO */
.form-locked {
    opacity: 0.5;
    pointer-events: none; /* No clickeable */
    filter: grayscale(0.8);
    transition: all 0.5s ease;
}

.form-unlocked {
    opacity: 1;
    pointer-events: auto;
    filter: grayscale(0);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.6;
    }
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }

    .intro-image {
        height: 300px;
        order: -1;
    }

        .intro-image img {
            clip-path: none;
            width: 100%;
        }

    .intro-text {
        padding: 3rem 1.5rem;
        text-align: center;
    }

    .hero-cta-wrapper {
        text-align: center;
        padding-right: 0;
    }

    .form-body {
        padding: 1.5rem;
    }
}