/* ==========================================================================
   Design System & Variable Definitions
   ========================================================================== */
:root {
    /* Color Tokens (I.E. San Lorenzo de Aburrá Colors) */
    --color-primary: #0D6A30;       /* Institutional Green */
    --color-primary-light: #169E4B; /* Light Vibrant Green */
    --color-primary-dark: #07471F;  /* Deep Forest Green */
    --color-accent: #FFC107;        /* Institutional Gold/Yellow */
    --color-accent-dark: #E5A823;   /* Warm Honey Gold */
    --color-bg-light: #F8F9FA;      /* Pure Light Page BG */
    --color-bg-dark: #1E2022;       /* Deep Slate BG */
    --color-text-dark: #29404C;     /* Slate Dark Text */
    --color-text-muted: #5F6E75;    /* Gray-Blue Muted Text */
    --color-white: #FFFFFF;
    
    /* Layout Tokens */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(13, 106, 48, 0.08), 0 4px 6px -2px rgba(13, 106, 48, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Glassmorphism settings */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-blur: blur(12px);
}

/* ==========================================================================
   Global Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Utility Classes & Layout Containers
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.grid {
    display: grid;
    gap: 32px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

.text-center { text-align: center; }
.text-success { color: var(--color-primary-light); }
.text-danger { color: #dc3545; }
.text-muted { color: var(--color-text-muted); }

.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.9rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(13, 106, 48, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(22, 158, 75, 0.3);
}

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.2);
}

.btn-secondary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-danger {
    background-color: #dc3545;
    color: var(--color-white);
}

.btn-danger:hover {
    background-color: #bd2130;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    width: 0%;
    z-index: 1001;
    transition: width 0.1s ease-out;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 249, 25A, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 8px rgba(13, 106, 48, 0.15);
}

.logo-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--color-primary-dark);
    display: block;
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    cursor: pointer;
}

@media (max-width: 900px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-smooth);
        z-index: 999;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding: 160px 0 100px 0;
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.15;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary-light);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 600px;
    height: 600px;
    background: var(--color-accent);
    bottom: -200px;
    left: -200px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 60px;
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.badge {
    background: rgba(13, 106, 48, 0.08);
    color: var(--color-primary-dark);
    border: 1px solid rgba(13, 106, 48, 0.15);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-title .highlight {
    background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

@media (max-width: 992px) {
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
}

.hero-btns {
    display: flex;
    gap: 20px;
}

@media (max-width: 992px) {
    .hero-btns {
        justify-content: center;
    }
}

.hero-image-wrapper {
    display: flex;
    justify-content: center;
}

.hero-image-card {
    position: relative;
    padding: 16px;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 450px;
    transition: var(--transition-smooth);
}

.hero-image-card:hover {
    transform: translateY(-5px);
}

.card-header-decor {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.card-header-decor .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.card-tag {
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: auto;
    color: var(--color-text-muted);
}

.hero-img {
    border-radius: var(--border-radius-md);
    width: 100%;
    height: 380px;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.image-overlay-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 280px;
    box-shadow: var(--shadow-lg);
}

.overlay-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.image-overlay-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
}

.image-overlay-card p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Quick Stats Section
   ========================================================================== */
.quick-stats {
    background-color: var(--color-primary-dark);
    padding: 50px 0;
    color: var(--color-white);
    position: relative;
    z-index: 10;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
}

.stat-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 250px;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: scale(1.05);
}

.stat-icon {
    font-size: 2.2rem;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

@media (max-width: 768px) {
    .stats-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* ==========================================================================
   Section Layouts
   ========================================================================== */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-subtitle {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary-light);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    margin: 0 auto 24px auto;
    border-radius: 2px;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 750px;
    margin: 0 auto;
}

/* ==========================================================================
   El Problema - Accordions and Insect Showcase
   ========================================================================== */
.section-problema {
    background-color: var(--color-white);
}

.accordion-item {
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition-smooth);
}

.accordion-item.active {
    box-shadow: var(--shadow-sm);
    border-color: rgba(13, 106, 48, 0.1);
    background-color: var(--color-white);
}

.accordion-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    user-select: none;
}

.accordion-num {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-primary-light);
}

.accordion-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-right: auto;
}

.accordion-header i {
    font-size: 1rem;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 24px;
    transition: var(--transition-smooth);
}

.accordion-item.active .accordion-content {
    max-height: 180px;
    padding-bottom: 24px;
}

.accordion-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Insect Showcase Widget */
.insect-showcase {
    border-radius: var(--border-radius-lg);
    padding: 24px;
    height: 100%;
}

.tabs-insect {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 16px;
}

.tab-insect-btn {
    background: none;
    border: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding: 8px 16px;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.tab-insect-btn.active, .tab-insect-btn:hover {
    color: var(--color-primary);
    background-color: rgba(13, 106, 48, 0.05);
}

.insect-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.insect-content.active {
    display: block;
}

.insect-image-container {
    width: 100%;
    height: 240px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: 20px;
}

.insect-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.insect-info h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.insect-info ul {
    list-style: none;
}

.insect-info li {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.insect-info li::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
}

/* ==========================================================================
   STEM Laboratory Section
   ========================================================================== */
.section-stem {
    background-color: var(--color-bg-light);
}

.stem-diagram-card {
    border-radius: var(--border-radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stem-diagram-card h3 {
    font-size: 1.4rem;
    margin-bottom: 30px;
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

@media (max-width: 600px) {
    .flow-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
}

.flow-step {
    flex: 1;
    text-align: center;
    padding: 16px;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.flow-step.active {
    background-color: var(--color-white);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.flow-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(13, 106, 48, 0.05);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

.flow-step.active .flow-icon {
    background-color: var(--color-primary-light);
    color: var(--color-white);
    transform: scale(1.1);
}

.flow-step h4 {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.flow-step p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.flow-arrow {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* Arduino Telemetry Monitor Widget */
.arduino-monitor {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.arduino-header {
    background-color: #00878f; /* Arduino Teal */
    color: var(--color-white);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-display);
    font-weight: 600;
}

.arduino-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.arduino-status {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 4px 12px;
    border-radius: 50px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.green {
    background-color: #2ec866;
    box-shadow: 0 0 8px #2ec866;
}

.status-dot.red {
    background-color: #dc3545;
    box-shadow: 0 0 8px #dc3545;
}

.status-dot.orange {
    background-color: #ffc107;
    box-shadow: 0 0 8px #ffc107;
}

.telemetry-screen {
    padding: 24px;
    background-color: #0f1011; /* Dark theme console screen */
    color: #e0e0e0;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.telemetry-gauge {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
}

.gauge-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #a0a0a0;
    margin-bottom: 8px;
}

.gauge-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 4px;
}

.gauge-status {
    font-size: 0.75rem;
    font-weight: 600;
}

.telemetry-console {
    background-color: #050607;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 12px;
}

.console-header {
    font-family: monospace;
    font-size: 0.75rem;
    color: #00878f;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 6px;
    margin-bottom: 8px;
}

.console-body {
    font-family: monospace;
    font-size: 0.75rem;
    line-height: 1.5;
    color: #39ff14; /* Matrix Green */
    height: 80px;
    overflow-y: auto;
}

.arduino-controls {
    background-color: var(--color-white);
    padding: 16px 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

/* ==========================================================================
   Bitácoras y Comunidad Section
   ========================================================================== */
.section-comunidad {
    background-color: var(--color-white);
}

.bitacora-carousel-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.bitacora-slider {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 480px;
    position: relative;
    background-color: var(--color-white);
}

.bitacora-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    transition: opacity 0.5s ease-in-out;
}

.bitacora-slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.bitacora-slide.active .slide-image img {
    transform: scale(1.03);
}

.slide-content-wrapper {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, #0b2f18 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.slide-date {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    display: block;
}

.slide-content-wrapper h3 {
    color: var(--color-white);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}

.slide-content-wrapper p {
    font-size: 1.05rem;
    line-height: 1.6;
    opacity: 0.95;
}

@media (max-width: 768px) {
    .bitacora-slider {
        height: 620px;
    }
    .bitacora-slide {
        grid-template-columns: 1fr;
        grid-template-rows: 1.1fr 0.9fr;
    }
    .slide-content-wrapper {
        padding: 24px;
    }
    .slide-content-wrapper h3 {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }
    .slide-content-wrapper p {
        font-size: 0.95rem;
    }
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.carousel-btn:hover {
    background-color: var(--color-primary-light);
    transform: scale(1.1);
}

/* ==========================================================================
   Sostenibilidad y Logros
   ========================================================================== */
.section-sostenibilidad {
    background-color: var(--color-bg-light);
}

.achievement-card {
    border-radius: var(--border-radius-md);
    padding: 32px;
    transition: var(--transition-smooth);
}

.achievement-card:hover {
    transform: translateY(-5px);
    border-color: rgba(13, 106, 48, 0.2);
}

.ach-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(13, 106, 48, 0.05);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.achievement-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.achievement-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* Download Section widget */
.download-section {
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-top: 60px;
}

.download-section h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.download-section p {
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

.download-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.download-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    padding: 14px 24px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.download-link:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.download-link i {
    font-size: 1.25rem;
}

.fa-file-pdf { color: #e74c3c; }
.fa-file-word { color: #2b579a; }
.fa-file-excel { color: #217346; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: #1a2a22; /* Very deep green background */
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.footer-links h4, .footer-contact h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact i {
    color: var(--color-accent);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   Logo Styles
   ========================================================================== */
.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(13, 106, 48, 0.15);
}

.logo-img-footer {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
    margin-right: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Biblioteca de Recursos / Archivos
   ========================================================================== */
.section-biblioteca {
    background-color: var(--color-white);
}

.filter-wrapper {
    padding: 24px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
}

.search-box {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--color-bg-light);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 14px 24px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.search-box i {
    color: var(--color-primary-light);
    font-size: 1.2rem;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text-dark);
    width: 100%;
}

.filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-group label {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-primary-dark);
}

.filter-group select {
    font-family: var(--font-primary);
    padding: 10px 20px;
    border-radius: 50px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background-color: var(--color-white);
    color: var(--color-text-dark);
    outline: none;
    font-weight: 500;
}

.type-chips {
    display: flex;
    gap: 8px;
}

.chip {
    background-color: var(--color-bg-light);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 8px 16px;
    border-radius: 50px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-text-dark);
}

.chip:hover, .chip.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.resource-card {
    border-radius: var(--border-radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    height: 220px;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-lg);
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary-light);
    opacity: 0.8;
}

.resource-card.type-image::before { background-color: #e67e22; }
.resource-card.type-video::before { background-color: #9b59b6; }
.resource-card.type-document::before { background-color: #2980b9; }

.file-icon-wrapper {
    font-size: 2rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-folder-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    background-color: rgba(0, 0, 0, 0.04);
    padding: 4px 10px;
    border-radius: 50px;
    color: var(--color-text-muted);
}

.file-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.file-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.file-actions {
    margin-top: 16px;
}

.counter-text {
    display: block;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ==========================================================================
   Fullscreen Image Lightbox Modal
   ========================================================================== */
.btn-fullscreen {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 5;
    font-size: 1.1rem;
}

.btn-fullscreen:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    display: flex;
    opacity: 1;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-modal.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    opacity: 0.8;
}

.lightbox-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Responsive grid for Math-STEM section */
@media (max-width: 768px) {
    .math-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    .apoyo-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
}