/* =========================================
   1. LAYOUT & SECTIONS
   ========================================= */

body {
    background-color: var(--bg-cream, #fefbf3);
    color: var(--text-color, #333);
}

/* Headings */
.reading-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem 0;
    text-align: center;
}

section+.reading {
    margin-top: 5rem;
}

.reading-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0;
}

.reading-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.reading-heading {
    display: inline-block;
    margin: 0;
    color: var(--black, #000);
    font-family: var(--font-primary, 'Poppins', sans-serif);
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
}

.reading-subtext {
    margin-top: 0.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark, #333);
    font-family: var(--font-primary, 'Poppins', sans-serif);
    font-size: 1.25rem;
    font-weight: 300;
    text-align: center;
    opacity: 0.7;
}

/* =========================================
   2. CATEGORY NAV BLOCKS (Top Section)
   ========================================= */

.articles {
    padding: 2rem 0;
}

.nav-tabs-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.featured-heading {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    margin-top: 0;
    text-align: center;
    font-weight: 600;

    display: inline-block;
    background-image: linear-gradient(45deg, #7dd191, #54afe4, var(--purple-light), var(--purple-light));
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientAnimation 4s linear infinite;
    animation-direction: alternate;
    background-size: 300% 100%;
}

@keyframes gradientAnimation {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 50%;
    }
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 220px;

    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    color: var(--white);
    text-align: center;
    text-decoration: none;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.card-icon {
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.category-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1)) brightness(0) invert(1);
}

.card-content {
    position: relative;
    z-index: 2;
}

.category-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.category-card p {
    font-size: 0.95rem;
    margin: 0;
    opacity: 0.9;
    font-weight: 300;
}

.block {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Category Backgrounds */
.bg-productiv {
    background:
        radial-gradient(circle at 100% 0%, rgba(225, 148, 127, 0.45) 0%, transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(128, 202, 205, 0.35) 0%, transparent 55%),
        linear-gradient(135deg, #bfa0e0 0%, #a675d1 100%);
}

.bg-ejercita {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(253, 251, 247, 0.3) 0%, transparent 50%),
        linear-gradient(135deg, #80cacd 0%, #5fb3b6 100%);
}

.bg-alimentate {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(128, 202, 205, 0.35) 0%, transparent 50%),
        linear-gradient(135deg, #f4a261 0%, #e76f51 100%);
}

.bg-salud {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.3) 0%, transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(225, 148, 127, 0.3) 0%, transparent 55%),
        linear-gradient(135deg, #2A9D8F 0%, #264653 100%);
}

/* =========================================
   3. CONTENT GRIDS (Cards)
   ========================================= */

.lecturas,
.ejercicios {
    padding: 1rem 0 4rem;
}

.lecturas .container,
.ejercicios .container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

/* Shared Card Styles */
.lecturas .block,
.ejercicios .block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    min-height: 240px;
    padding: 2rem;
    text-align: left;
}

.lecturas .block p,
.ejercicios .block p {
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.lecturas .block h3,
.ejercicios .block h3 {
    font-size: 1.4rem;
    line-height: 1.3;
    margin-bottom: auto;
    text-shadow: none;
}

.reading-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 1;
}

.reading-time i {
    font-size: 1rem;
}

.reading-time span {
    margin: 0;
}


/* =========================================
   4. INDIVIDUAL CARD GRADIENTS (Liquid Style)
   ========================================= */

.bg-productividad-1 {
    background:
        radial-gradient(circle at 100% 0%, rgba(225, 148, 127, 0.45) 0%, transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(128, 202, 205, 0.35) 0%, transparent 55%),
        linear-gradient(135deg, #bfa0e0 0%, #a675d1 100%);
}

.bg-productividad-2 {
    background:
        radial-gradient(circle at 50% 50%, rgba(128, 202, 205, 0.25) 0%, transparent 65%),
        radial-gradient(circle at 100% 100%, rgba(253, 251, 247, 0.4) 0%, transparent 45%),
        linear-gradient(45deg, #a675d1 0%, #bfa0e0 100%);
}

.bg-productividad-3 {
    background:
        radial-gradient(circle at 0% 0%, rgba(253, 251, 247, 0.3) 0%, transparent 45%),
        radial-gradient(circle at 100% 50%, rgba(225, 148, 127, 0.35) 0%, transparent 55%),
        linear-gradient(180deg, #bfa0e0 0%, #a170d0 100%);
}

.bg-productividad-4 {
    background:
        radial-gradient(circle at 80% 20%, rgba(128, 202, 205, 0.35) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(225, 148, 127, 0.35) 0%, transparent 50%),
        linear-gradient(120deg, #a675d1 0%, #bfa0e0 100%);
}


/* Ejercicio (Cyans/Teals - Matches Routine Cards) */
.bg-ejercicio-1 {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(253, 251, 247, 0.3) 0%, transparent 50%),
        linear-gradient(135deg, #80cacd 0%, #5fb3b6 100%);
}

.bg-ejercicio-2 {
    background:
        radial-gradient(circle at 50% 50%, rgba(157, 96, 207, 0.25) 0%, transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(225, 148, 127, 0.3) 0%, transparent 45%),
        linear-gradient(45deg, #6ec0c3 0%, #80cacd 100%);
}

.bg-ejercicio-3 {
    background:
        radial-gradient(circle at 0% 0%, rgba(253, 251, 247, 0.3) 0%, transparent 45%),
        radial-gradient(circle at 100% 50%, rgba(157, 96, 207, 0.3) 0%, transparent 55%),
        linear-gradient(180deg, #80cacd 0%, #5fb3b6 100%);
}

.bg-ejercicio-4 {
    background:
        radial-gradient(circle at 80% 20%, rgba(157, 96, 207, 0.35) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(253, 251, 247, 0.3) 0%, transparent 50%),
        linear-gradient(120deg, #74c7ca 0%, #80cacd 100%);
}


/* Dieta (Oranges - Matches Food Cards) */
.bg-dieta-1 {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(128, 202, 205, 0.35) 0%, transparent 50%),
        linear-gradient(135deg, #f4a261 0%, #e76f51 100%);
}

.bg-dieta-2 {
    background:
        radial-gradient(circle at 50% 50%, rgba(253, 251, 247, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(157, 96, 207, 0.3) 0%, transparent 45%),
        linear-gradient(45deg, #e9c46a 0%, #f4a261 100%);
}

.bg-dieta-3 {
    background:
        radial-gradient(circle at 0% 0%, rgba(128, 202, 205, 0.35) 0%, transparent 45%),
        radial-gradient(circle at 100% 50%, rgba(253, 251, 247, 0.3) 0%, transparent 55%),
        linear-gradient(180deg, #f4a261 0%, #e76f51 100%);
}

.bg-dieta-4 {
    background:
        radial-gradient(circle at 80% 20%, rgba(157, 96, 207, 0.35) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(225, 148, 127, 0.35) 0%, transparent 50%),
        linear-gradient(120deg, #e76f51 0%, #f4a261 100%);
}

.bg-dieta-5 {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(128, 202, 205, 0.2) 0%, transparent 50%),
        linear-gradient(135deg, #e76f51 0%, #d65d42 100%);
}

.bg-dieta-6 {
    background:
        radial-gradient(circle at 50% 50%, rgba(253, 251, 247, 0.2) 0%, transparent 60%),
        linear-gradient(135deg, #d65d42 0%, #c44b33 100%);
}


/* Salud Mental (Blues/Greens - Adapted Liquid Style) */
.bg-salud-mental-1 {
    background:
        radial-gradient(circle at 100% 0%, rgba(157, 96, 207, 0.3) 0%, transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(225, 148, 127, 0.3) 0%, transparent 55%),
        linear-gradient(135deg, #2A9D8F 0%, #264653 100%);
}

.bg-salud-mental-2 {
    background:
        radial-gradient(circle at 50% 50%, rgba(128, 202, 205, 0.3) 0%, transparent 65%),
        linear-gradient(135deg, #264653 0%, #2A9D8F 100%);
}

.bg-salud-mental-3 {
    background:
        radial-gradient(circle at 0% 0%, rgba(253, 251, 247, 0.2) 0%, transparent 45%),
        radial-gradient(circle at 100% 50%, rgba(157, 96, 207, 0.3) 0%, transparent 55%),
        linear-gradient(135deg, #457b9d 0%, #1d3557 100%);
}

.bg-salud-mental-4 {
    background:
        radial-gradient(circle at 80% 20%, rgba(225, 148, 127, 0.25) 0%, transparent 50%),
        linear-gradient(120deg, #1d3557 0%, #457b9d 100%);
}

/* =========================================
   5. HOVER EFFECT (Glow Border like Mi Espacio)
   ========================================= */

.brightness {
    position: relative;
    overflow: hidden;
}

.brightness::after {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1.5px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.9));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 2;
}

.brightness:hover::after {
    opacity: 1;
}

.block:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.bg-productiv:hover,
.bg-productividad-1:hover,
.bg-productividad-2:hover,
.bg-productividad-3:hover,
.bg-productividad-4:hover {
    box-shadow: 0 10px 25px rgba(157, 96, 207, 0.3);
}

.bg-ejercita:hover,
.bg-ejercicio-1:hover,
.bg-ejercicio-2:hover,
.bg-ejercicio-3:hover,
.bg-ejercicio-4:hover {
    box-shadow: 0 10px 25px rgba(128, 202, 205, 0.3);
}

.bg-alimentate:hover,
.bg-dieta-1:hover,
.bg-dieta-2:hover,
.bg-dieta-3:hover,
.bg-dieta-4:hover,
.bg-dieta-5:hover,
.bg-dieta-6:hover {
    box-shadow: 0 10px 25px rgba(244, 162, 97, 0.3);
}

.bg-salud:hover,
.bg-salud-mental-1:hover,
.bg-salud-mental-2:hover,
.bg-salud-mental-3:hover,
.bg-salud-mental-4:hover {
    box-shadow: 0 10px 25px rgba(38, 70, 83, 0.3);
}

/* =========================================
   6. THANKS SECTION
   ========================================= */

.thanks {
    padding: 1rem 1rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
    background-color: transparent;
}

.thanks-section {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.thanks-heading {
    margin-bottom: 1rem;
    color: var(--purple-light);
    font-family: var(--font-secondary, 'Zilla Slab', serif);
    font-size: 2rem;
}

.thanks-subtext {
    color: var(--text-muted);
}

.load-more-btn {
    display: block;
    margin: 2rem auto 0;
    padding: 0.8rem 2.5rem;
    background-color: transparent;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid #ccc;
    color: #555;
}

.btn-productividad {
    border-color: var(--purple-soft);
    color: var(--purple-soft);
}

.btn-productividad:hover {
    background-color: var(--purple-soft);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(162, 155, 254, 0.4);
}

.btn-ejercicio {
    border-color: var(--cyan);
    color: var(--cyan);
}

.btn-ejercicio:hover {
    background-color: var(--cyan);
    color: #fff;
    box-shadow: 0 4px 12px rgba(128, 202, 205, 0.4);
}

.btn-dieta {
    border-color: var(--orange-soft);
    color: var(--orange-soft);
}

.btn-dieta:hover {
    background-color: var(--orange-soft);
    color: #fff;
    box-shadow: 0 4px 12px rgba(244, 162, 97, 0.4);
}

.btn-salud-mental {
    border-color: var(--teal-dark);
    color: var(--teal-dark);
}

.btn-salud-mental:hover {
    background-color: var(--teal-dark);
    color: #fff;
    box-shadow: 0 4px 12px rgba(38, 70, 83, 0.4);
}

@media (max-width: 768px) {

    .lecturas .container,
    .ejercicios .container {
        grid-template-columns: 1fr;
    }
}