.landing-header {
    background: linear-gradient(135deg, #0a1428 0%, #1a2d47 100%);
    border-bottom: 2px solid rgba(6, 182, 212, 0.2);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    width: 100%;
}

.landing-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.landing-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #06b6d4;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.landing-logo:hover {
    transform: translateX(-4px);
    color: #f97316;
}

/* Hero Section */
.hero {
    padding: 6rem 2rem 4rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%);
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, #06b6d4 0%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin: 0;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Main Content */
.landing-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: #e2e8f0;
}

.section-subtitle {
    text-align: center;
    color: #cbd5e1;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Temas Grid */
.temas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Tema Card */
.tema-card {
    background: linear-gradient(135deg, rgba(21, 34, 56, 0.8) 0%, rgba(21, 34, 56, 0.4) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.tema-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(6, 182, 212, 0.1) 50%, transparent 100%);
    transition: left 0.5s ease;
}

.tema-card:hover::before {
    left: 100%;
}

.tema-card:hover {
    border-color: rgba(6, 182, 212, 0.5);
    transform: translateY(-8px);
    background: linear-gradient(135deg, rgba(21, 34, 56, 1) 0%, rgba(21, 34, 56, 0.6) 100%);
    box-shadow: 0 12px 32px rgba(6, 182, 212, 0.2);
}

.tema-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.tema-number {
    display: inline-block;
    color: white;
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: absolute;
    top: 16px;
    left: 20px;
}

.tema-card h2 {
    font-size: 1.5rem;
    margin: 24px 0 1rem 0;
    color: #06b6d4;
    font-weight: 700;
}

.tema-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    flex: 1;
}

.tema-card li {
    color: #cbd5e1;
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.5;
}

.tema-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #f97316;
    font-weight: bold;
}

.tema-card .btn-tema {
    display: inline-block;
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    width: 180px;
}

.tema-card .btn-tema:hover {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    transform: translateX(4px);
}

/* Footer */
.landing-footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(6, 182, 212, 0.1);
    padding: 3rem 2rem;
    text-align: center;
    color: #cbd5e1;
    margin-top: 4rem;
}

.landing-footer p {
    margin: 0;
    line-height: 1.6;
}

/* Sección de Cuestionario */
.cuestionario-section {
    width: 100%;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(249, 115, 22, 0.02) 100%);
    border-top: 1px solid rgba(6, 182, 212, 0.15);
    border-bottom: 1px solid rgba(6, 182, 212, 0.15);
    margin-top: 2rem;
}

.cuestionario-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Grid 2 Columnas */
.cuestionario-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.cuestionario-column,
.normativa-column {
    background: rgba(21, 34, 56, 0.5);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.cuestionario-column:hover,
.normativa-column:hover {
    border-color: rgba(6, 182, 212, 0.4);
    background: rgba(21, 34, 56, 0.7);
}

.column-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #06b6d4;
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.column-content {
    color: #cbd5e1;
    line-height: 1.7;
}

.column-content p {
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
}

/* Normativa List */
.normativa-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.normativa-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.normativa-item:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateX(4px);
}

.normativa-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    padding-top: 0.25rem;
}

.normativa-text {
    flex: 1;
}

.normativa-text p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: #cbd5e1;
    line-height: 1.5;
}

.normativa-text p:first-child {
    color: #f97316;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Configuración de Preguntas */
.configuracion-preguntas {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(6, 182, 212, 0.2);
}

.config-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #e2e8f0;
    margin: 0 0 1.5rem 0;
}

.cuestionario-section .section-title {
    margin-bottom: 2rem;
}

.cuestionario-info {
    background: rgba(21, 34, 56, 0.5);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 10px;
    padding: 2.5rem;
    width: 100%;
}

.info-text {
    margin-bottom: 2rem;
}

.info-text p {
    color: #cbd5e1;
    margin: 1rem 0;
    line-height: 1.7;
    font-size: 1rem;
}

.info-text strong {
    color: #06b6d4;
    font-weight: 600;
}

/* Grid de Proporciones */
.proporciones-grid {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(10, 20, 40, 0.4);
    border-radius: 8px;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.proporcion-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(249, 115, 22, 0.05) 100%);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.proporcion-item:hover {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(249, 115, 22, 0.1) 100%);
    border-color: rgba(6, 182, 212, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(6, 182, 212, 0.1);
}

.prop-number {
    font-size: 2rem;
    font-weight: 800;
    color: #f97316;
    line-height: 1;
}

.prop-number-link {
    font-size: 1em;
    padding: 1em 0;
}

.prop-number-link:visited,
.prop-number-link:link{
    color: #f97316;
    font-size: 1em;
}

.prop-label {
    font-size: 0.85rem;
    color: #cbd5e1;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.prop-description {
    font-size: 0.7rem;
}

.info-footer {
    font-style: italic;
    color: #a0aec0;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(6, 182, 212, 0.2);
}

.info-source {
    color: #a0aec0;
    font-size: 0.95rem;
    margin-top: 1rem;
}

.external-link {
    color: #06b6d4;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(6, 182, 212, 0.3);
}

.external-link:hover {
    color: #f97316;
    border-bottom-color: rgba(249, 115, 22, 0.5);
}

/* Sección Practica Examen */
.practica-examen-section {
    width: 100%;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.08) 0%, rgba(6, 182, 212, 0.03) 100%);
    border-top: 1px solid rgba(249, 115, 22, 0.2);
    border-bottom: 1px solid rgba(249, 115, 22, 0.2);
    margin: 2rem 0;
}

.practica-examen-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.practica-examen-section .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: #e2e8f0;
}

.practica-examen-section .section-subtitle {
    text-align: center;
    color: #cbd5e1;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.practica-examen-content {
    display: flex;
    justify-content: center;
}

.practica-examen-card {
    background: linear-gradient(135deg, rgba(21, 34, 56, 0.9) 0%, rgba(21, 34, 56, 0.5) 100%);
    border: 2px solid rgba(249, 115, 22, 0.3);
    border-radius: 14px;
    padding: 3rem;
    width: 100%;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    position: relative;
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.exam-icon {
    font-size: 3rem;
}

.card-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #f97316;
    margin: 0;
    line-height: 1.2;
}

.card-body {
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.card-body p {
    color: #cbd5e1;
    line-height: 1.7;
    margin: 0 0 1.5rem 0;
    font-size: 0.95rem;
}

.card-body p:last-child {
    margin-bottom: 0;
}

.distribucion-rapida {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(85px, 1fr));
    gap: 0.75rem;
    margin: 1.5rem 0;
    padding: 1.25rem;
    background: rgba(249, 115, 22, 0.05);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: 10px;
}

.dist-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.dist-item:hover {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-color: rgba(249, 115, 22, 0.4);
    transform: translateY(-2px);
}

.dist-tema {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #cbd5e1;
    letter-spacing: 0.5px;
}

.dist-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: #f97316;
}

.exam-info {
    background: rgba(249, 115, 22, 0.08);
    border-left: 3px solid #f97316;
    padding: 1rem;
    border-radius: 6px;
    color: #a0aec0;
    font-size: 0.85rem;
    font-style: italic;
    margin: 1rem 0 0 0 !important;
}

.card-footer {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

/* Responsive */
@media (max-width: 768px) {
    /* Main Content */
    .landing-main {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem 0;
    }
    /* Hero Section */
    .hero {
        padding: 2rem 2rem 3rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .temas-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .landing-header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .cuestionario-info {
        padding: 1.5rem;
    }

    .proporciones-grid {
        gap: 0.75rem;
        padding: 2rem;
        flex-direction: row;
    }

    .prop-number {
        font-size: 1.5rem;
    }

    .info-text p {
        font-size: 0.95rem;
    }

    .cuestionario-content {
        padding: 0;
    }

    .cuestionario-section {
        padding: 0 2rem;
    }

    .cuestionario-grid-2col {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .column-title {
        font-size: 1.1rem;
    }

    .normativa-list {
        gap: 1rem;
    }

    .normativa-item {
        padding: 0.75rem;
    }

    .config-title {
        font-size: 1.1rem;
    }

    /* Responsive Practica Examen */
    .practica-examen-section {
        padding: 0 1rem;
    }

    .practica-examen-card {
        padding: 2rem;
    }

    .card-header h3 {
        font-size: 1.5rem;
    }

    .card-body p {
        font-size: 0.9rem;
    }

    .distribucion-rapida {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 0.5rem;
        padding: 1rem;
    }

    .dist-tema {
        font-size: 0.7rem;
    }

    .dist-num {
        font-size: 1.2rem;
    }

    .landing-footer {
        margin-top: 0
    }
}