/* /qmbportal/quizzes/assets/css/landing.css */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;900&display=swap');

/* CSS Custom Properties - Brand Colors */
:root {
    /* Primary Brand Colors */
    --golden: #F4D03F;
    --orange: #E74C3C;
    
    /* Extended Palette */
    --golden-light: #F7DC6F;
    --golden-dark: #F1C40F;
    --orange-light: #EC7063;
    --orange-dark: #C0392B;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --black: #212529;
    
    /* Semantic Colors */
    --success: #28A745;
    --info: #17A2B8;
    --warning: #FFC107;
    --danger: #DC3545;
    
    /* Typography */
    --font-primary: 'Nunito', 'Marker Felt', 'Trebuchet MS', cursive, sans-serif;
    --font-secondary: 'Trebuchet MS', 'Helvetica', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-xxl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background: linear-gradient(135deg, var(--golden-light) 0%, var(--orange-light) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--dark-gray);
    text-decoration: none;
    transition: var(--transition-normal);
}

a:hover {
    color: var(--orange-dark);
    text-decoration: underline;
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header-text {
    display: block;
    align-items: baseline;
    gap: var(--spacing-md);
    flex: 1; /* Allows the text block to take available space */
}

/* Header */
.main-header {
    background: var(--golden);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.logo-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    flex-shrink: 0;
    transition: var(--transition-normal);
}

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

.logo-icon svg {
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-text .site-title {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(45deg, #555, #777);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
    line-height: 1;
}

.brand-text .site-tagline {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: 0;
    line-height: 1.5;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.language-toggle {
    position: relative;
    flex-shrink: 0;
}

.language-toggle .language-selector {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--golden-light);
    border: 2px solid var(--golden);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark-gray);
    min-width: 70px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.language-toggle .language-selector:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    border-color: var(--golden-dark);
}

.language-toggle .language-selector:focus {
    outline: 2px solid var(--orange);
    outline-offset: 2px;
}

/* Custom dropdown arrow */
.language-toggle::after {
    content: '';
    position: absolute;
    right: var(--spacing-xs);
    top: 50%;
    transform: translateY(-50%);
    border: 3px solid transparent;
    border-top: 4px solid var(--dark-gray);
    pointer-events: none;
    transition: all 0.2s ease-in-out;
}

.language-toggle:hover::after {
    border-top-color: var(--orange);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    border: 2px solid transparent;
}

.nav-link:hover {
    background: var(--orange);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
    border-color: var(--orange-dark);
}

.nav-link.active {
    background: var(--orange);
    color: var(--white);
    border-color: var(--orange-dark);
    box-shadow: var(--shadow-md);
    font-weight: 700;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--scroll-progress, 0%);
    height: 3px;
    background: linear-gradient(90deg, var(--golden), var(--orange));
    z-index: 9999;
    transition: width 0.1s ease-out;
}

.nav-link:focus {
    outline: 3px solid var(--orange-light);
    outline-offset: 2px;
}

.nav-link {
    transition: 
        background-color var(--transition-normal),
        color var(--transition-normal),
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

/* Hero Section */
.hero-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, #faf8f5 0%, #f9f6f0 60%, var(--golden-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xxl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px; /* Adjust height as needed */
    z-index: 0;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--orange);
    text-shadow: 1px 1px 0 #333;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    font-weight: 900;
    letter-spacing: 0px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 250px;
}

.floating-icon {
    position: absolute;
    font-size: 2.5rem;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2));
}

.floating-icon.icon-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon.icon-2 {
    top: 10%;
    right: 20%;
    animation-delay: 1.5s;
}

.floating-icon.icon-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 3s;
}

.floating-icon.icon-4 {
    bottom: 10%;
    right: 10%;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(5deg); }
    50% { transform: translateY(-5px) rotate(-3deg); }
    75% { transform: translateY(-15px) rotate(3deg); }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn:active {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-secondary {
    background-color: var(--white);
    color: var(--orange);
    border: 2px solid var(--orange);
}

.btn-secondary:hover {
    background: var(--orange);
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-card-primary {
    background: linear-gradient(45deg, var(--orange), var(--orange-dark));
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
}

.btn-card-primary:hover {
    background: linear-gradient(45deg, var(--orange-dark), var(--orange));
    color: var(--white);
}

/* Ripple Effect */
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Sections */
.activities-section,
.grades-section,
.subject-section,
.help-section {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.subject-section,
.activities-section {
    background: var(--light-gray);
}

.section-header {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    display: flex;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    align-items: baseline; /* Aligns title and navigator nicely */
    justify-content: space-between; /* Pushes title and nav apart */
    gap: var(--spacing-md);
}

.section-title {
    font-size: 1.75rem;
    color: var(--dark-gray);
    margin: 0;
    font-weight: 800;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 600;
}

.section-description {
    font-size: 1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0;
}

.grade-subject-container {
    display: block;
}

.grades-container {
    display: flex;
}

.subjects-container {
    display: flex;
}

/* Activities Grid */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.activity-card {
    display: block;
    box-shadow: var(--shadow-md);
    background: var(--white);
    border: 3px solid var(--light-gray);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.activity-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.activity-card.featured {
    border-color: var(--golden);
    background: linear-gradient(135deg, var(--white) 0%, var(--golden-light) 100%);
}

.activity-card.coming-soon {
    opacity: 0.7;
    background: var(--light-gray);
}

.activity-card.coming-soon:hover {
    transform: translateY(-4px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    font-size: 2.5rem;
    padding: var(--spacing-md);
    background: var(--golden-light);
    border-radius: var(--radius-lg);
}

.difficulty-badge,
.coming-soon-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
}

.difficulty-badge.tier-4 {
    background: var(--success);
    color: var(--white);
}

.badges-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-end;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    white-space: nowrap;
}

.subject-badge {
    background: var(--info);
    color: var(--white);
}

.subject-badge.language-arts { background: #8e44ad; }
.subject-badge.math { background: #e74c3c; }
.subject-badge.science { background: #27ae60; }
.subject-badge.socialstudies { background: #f39c12; }
.subject-badge.music { background: #9b59b6; }
.subject-badge.art { background: #e67e22; }
.subject-badge.pe { background: #3498db; }

.coming-soon-badge {
    background: var(--warning);
    color: var(--dark-gray);
}

.grade-badge {
    color: var(--dark-gray);
    font-size: 0.6rem;
}

.language-badge {
    background: var(--white);
    color: var(--black);
}

.card-content {
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

.card-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.stat-icon {
    font-size: 1rem;
}

.card-footer {
    text-align: center;
}

/* Grades Section */
.grades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.grade-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 3px solid transparent;
}

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

.grade-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.grade-title {
    font-size: 1.5rem;
    color: var(--orange);
    margin-bottom: var(--spacing-sm);
}

.grade-description {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

.grade-skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--golden-light);
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Subject Section */
.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.subject-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 3px solid transparent;
}

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

.subject-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.subject-title {
    font-size: 1.5rem;
    color: var(--orange);
    margin-bottom: var(--spacing-sm);
}

.subject-description {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

.subject-skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.subject-skill-tag {
    background: var(--golden-light);
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Help Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--orange), var(--orange-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.step-title {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--medium-gray);
}

/* Footer */
.main-footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-title {
    background: linear-gradient(45deg, var(--golden), var(--orange));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-md);
}

.footer-subtitle {
    color: var(--golden);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--light-gray);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--light-gray);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--golden);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--medium-gray);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.copyright {
    color: var(--light-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* Animation Classes */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.keyboard-navigation *:focus {
    outline: 3px solid var(--orange);
    outline-offset: 2px;
}

.focused {
    box-shadow: 0 0 0 3px var(--orange-light);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .reduced-motion * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-icon {
        animation: none;
    }
}

/* Language-specific Styles */
[data-lang="es"] .site-title {
    font-size: 1.8rem;
}

[data-lang="es"] .hero-title {
    font-size: 2.7rem;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
    position: relative;
}

.hamburger {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--dark-gray);
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: center;
}

/* Hamburger Animation States */
.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
}

.mobile-nav-menu.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--light-gray);
    padding-bottom: var(--spacing-lg);
}

.mobile-nav-brand {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--orange);
}

.mobile-nav-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--medium-gray);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.mobile-nav-close:hover {
    background: var(--light-gray);
    color: var(--orange);
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.mobile-nav-list li {
    margin-bottom: var(--spacing-md);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-md) 0;
    color: var(--dark-gray);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    border-radius: var(--radius-md);
    position: relative;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--orange);
    background: var(--golden-light);
    padding-left: var(--spacing-md);
    text-decoration: none;
}

.mobile-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--orange);
    border-radius: 2px;
}

.mobile-language-selector {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
}

.mobile-language-selector select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--golden);
    border-radius: var(--radius-md);
    background: var(--golden-light);
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-primary);
}

/* Activity Filter Navigation Styles*/
.grade-subject-container {
    background: transparent;
    margin-top: var(--spacing-lg);
    animation: slideInUp 0.5s ease-out;
    position: relative;
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
}

.grade-subject-container::before,
.grade-subject-container::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--golden) 15%, 
        var(--orange) 50%, 
        var(--golden) 85%, 
        transparent 100%
    );
}

.grade-subject-container::before {
    top: 0;
}

.grade-subject-container::after {
    bottom: 0;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filter-section {
    margin-bottom: var(--spacing-lg);
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-icon {
    font-size: 1.2rem;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-option {
    background: var(--light-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    user-select: none;
    min-width: fit-content;
    text-align: center;
    animation: fadeInScale 0.3s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.filter-option:hover {
    background: var(--golden-light);
    border-color: var(--golden);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.filter-option.active {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: var(--white);
    border-color: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-option.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 1.5s ease-in-out;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.filter-option.all {
    background: var(--golden-light);
    border-color: var(--golden);
    font-weight: 700;
}

.filter-option.all.active {
    background: linear-gradient(135deg, var(--golden), var(--golden-dark));
    border-color: var(--golden-dark);
}

/* Subject specific colors for active states */
.filter-option[data-subject="language_arts"].active {
    background: linear-gradient(135deg, #8e44ad, #7d3c98);
    border-color: #7d3c98;
}

.filter-option[data-subject="math"].active {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    border-color: #c0392b;
}

.filter-option[data-subject="science"].active {
    background: linear-gradient(135deg, #27ae60, #229954);
    border-color: #229954;
}

.filter-option[data-subject="socialstudies"].active {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    border-color: #e67e22;
}

.filter-option[data-subject="music"].active {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    border-color: #8e44ad;
}

.filter-option[data-subject="art"].active {
    background: linear-gradient(135deg, #e67e22, #d35400);
    border-color: #d35400;
}

.filter-option[data-subject="pe"].active {
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-color: #2980b9;
}

.filter-option[data-subject="health"].active {
    background: linear-gradient(135deg, #1abc9c, #16a085);
    border-color: #16a085;
}

/* Activity count badge */
.activity-count {
    background: var(--white);
    color: var(--dark-gray);
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: var(--spacing-xs);
    min-width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.filter-option.active .activity-count {
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark-gray);
    transform: scale(1.1);
}

/* Clear filters button */
.clear-filters {
    background: var(--medium-gray);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-left: auto;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8);
}

.clear-filters.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.clear-filters:hover {
    background: var(--dark-gray);
    transform: scale(1.05);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.filter-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--orange);
    margin: 0;
}

/* Activity card filtering animations */
.activity-card.filtered-out {
    display: none;
}

.activity-card.filtered-in {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/*  Section divider centered*/
.section-divider-subtle {
    position: relative;
    margin: var(--spacing-xl) 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--medium-gray) 20%, 
        var(--golden) 40%, 
        var(--orange) 50%, 
        var(--golden) 60%, 
        var(--medium-gray) 80%, 
        transparent 100%
    );
    animation: dividerFadeIn 0.6s ease-out;
}

@media (max-width: 768px) {
    /* Hero Section Mobile Fixes */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-lg);
    }
    
    .hero-content {
        max-width: 100%;
        width: 100%;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-description {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-lg);
        font-weight: 700;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 1.1rem;
    }

    /* Other mobile fixes */
    .activities-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-view .header-container {
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: var(--spacing-md);
    }
    
    .mobile-view .header-text {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }
    
    .mobile-view .language-toggle .language-selector {
        min-width: 100px;
    }
    
    .mobile-view .main-nav {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .mobile-view .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .mobile-view .activity-cards {
        grid-template-columns: 1fr;
    }
    
    .mobile-view .grades-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-view .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-view .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .logo-container {
        gap: var(--spacing-sm);
    }
    
    .logo-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .logo-icon svg text {
        font-size: 14px;
    }
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
    }

    .language-toggle {
        display: none;
    }

    .mobile-nav-overlay,
    .mobile-nav-menu {
        display: block;
    }

    .grade-subject-container {
        padding: var(--spacing-md);
        margin-top: var(--spacing-md);
    }

    .filter-options {
        gap: var(--spacing-xs);
    }

    .filter-option {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .filter-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .clear-filters {
        align-self: flex-end;
    }

    .filter-label {
        font-size: 0.85rem;
    }

    .activity-count {
        font-size: 0.65rem;
        min-width: 16px;
        height: 16px;
        padding: 1px 4px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xxl: 2rem;
        --spacing-xl: 1.5rem;
    }

    /* Hero Section Small Mobile */
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-description {
        font-size: 1rem;
        font-weight: 600;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .btn {
        max-width: 280px;
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    /* Other small mobile fixes */
    .section-title {
        font-size: 1.5rem;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .activity-card {
        padding: var(--spacing-lg);
    }
    
    .logo-container {
        gap: var(--spacing-sm);
    }
    
    .logo-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .logo-icon svg text {
        font-size: 14px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
    }

    .language-toggle {
        display: none;
    }

    .mobile-nav-overlay,
    .mobile-nav-menu {
        display: block;
    }

    .filter-option {
        padding: var(--spacing-xs);
        font-size: 0.75rem;
    }

    .filter-options {
        gap: 4px;
    }
}

/* Print Styles */
@media print {
    .main-header,
    .floating-icon,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .activity-card,
    .grade-card,
    .step-card {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}