/* ============================================
   Estilos específicos de acerca.html
   ============================================ */

/* Estilos del body específicos para esta página */
body {
    background: #f5f5f5;
    padding-top: 70px; /* Espacio para el menú fijo */
}

/* Responsive: Menú en móviles */
@media (max-width: 640px) {
    body {
        padding-top: 60px;
    }
}

/* ============================================
   Header
   ============================================ */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.header__title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.header__subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    font-weight: 400;
}

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-lg);
    }

    .header__title {
        font-size: 1.75rem;
    }

    .header__subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-md);
    }

    .header__title {
        font-size: 1.5rem;
    }

    .header__subtitle {
        font-size: 0.9375rem;
    }
}

/* ============================================
   Main
   ============================================ */
.main {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 300px);
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.about-card {
    background: white;
    border-radius: 16px;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.about-card--highlight {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
}

.about-card__title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
    letter-spacing: -0.01em;
}

.about-card__text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.about-card__text:last-child {
    margin-bottom: 0;
}

.about-card__text strong {
    color: var(--color-gray-900);
    font-weight: 600;
}

/* ============================================
   Features List
   ============================================ */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.features-list__item {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-700);
    padding-left: var(--spacing-lg);
    position: relative;
}

.features-list__item::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.25rem;
}

.features-list__item strong {
    color: var(--color-gray-900);
    font-weight: 600;
}

/* ============================================
   Pages Grid
   ============================================ */
.pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.page-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 12px;
    padding: var(--spacing-lg);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.2s ease;
}

.page-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(102, 126, 234, 0.3);
}

.page-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.page-card__text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-gray-700);
}

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

/* ============================================
   Steps List
   ============================================ */
.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step-counter;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.steps-list__item {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-700);
    padding-left: calc(var(--spacing-xl) + var(--spacing-md));
    position: relative;
    counter-increment: step-counter;
}

.steps-list__item::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.steps-list__item strong {
    color: var(--color-gray-900);
    font-weight: 600;
}


@media (max-width: 640px) {
    .about-card {
        padding: var(--spacing-lg);
    }

    .about-card__title {
        font-size: 1.5rem;
    }

    .about-card__text,
    .features-list__item,
    .steps-list__item {
        font-size: 1rem;
    }
}