/* Age Groups Section Styling with Enhanced 3D Effects */
:root {
    --primary: #0056b3;
    --primary-dark: #003d7a;
    --primary-light: #4a90e2;
    --accent: #00a8ff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f0f7ff;
    --bg-white: #ffffff;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 150, 0.1);
    --shadow-lg: 0 15px 30px rgba(0, 0, 150, 0.15);
    --gradient-blue: linear-gradient(135deg, #0056b3 0%, #00a8ff 100%);
    
    /* 3D Variables */
    --perspective: 1000px;
    --depth-small: 10px;
    --depth-medium: 20px;
    --depth-large: 30px;
    --transition-fast: 0.3s;
    --transition-medium: 0.5s;
    --transition-slow: 5s;
}

.age-groups-section {
    padding: 100px 0;
    background-color: var(--bg-light);
    position: relative;
    overflow: hidden;
    z-index: 1;
    perspective: var(--perspective);
}

/* Decorative shapes */
.decorative-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.shape {
    position: absolute;
    border-radius: 50%;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 168, 255, 0.05) 0%, rgba(0, 168, 255, 0) 70%);
    top: -200px;
    left: -200px;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 86, 179, 0.05) 0%, rgba(0, 86, 179, 0) 70%);
    bottom: -250px;
    right: -250px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.05) 0%, rgba(74, 144, 226, 0) 70%);
    top: 30%;
    left: 40%;
}

.shape-dots {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 20%;
    right: 10%;
    background-image: radial-gradient(circle, var(--primary-light) 1px, transparent 1.5px);
    background-size: 15px 15px;
    opacity: 0.1;
}

/* Left side content styling */
.age-groups-content {
    position: relative;
    padding: 20px 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.content-wrapper {
    position: relative;
    z-index: 2;
    padding-left: 40px;
}

.badge-wrapper {
    margin-bottom: 15px;
    display: inline-block;
    position: relative;
}

.subtitle {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.subtitle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: shimmer 3s infinite;
}

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

.age-groups-content .title {
    color: var(--text-dark);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    position: relative;
}

.age-groups-content .title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-blue);
    border-radius: 2px;
}

.age-groups-content .description {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 90%;
}

.learn-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-blue);
    color: white;
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.learn-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-dark);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.learn-more-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.learn-more-btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-icon {
    transition: transform 0.3s ease;
}

.learn-more-btn:hover .btn-icon {
    transform: translateX(5px);
}

/* Simplified Tree Illustration */
.tree-illustration.left-aligned {
    position: absolute;
    left: -20px; /* Moved more to the left */
    top: 0;
    height: 100%;
    width: 60px;
    z-index: 1;
}

.main-branch {
    position: absolute;
    width: 18px;
    height: 100%;
    background: linear-gradient(to bottom, #8B5E3C, #6D4C3D);
    left: 25px;
    top: 0;
    border-radius: 10px;
    box-shadow: inset 2px 0 rgba(255, 255, 255, 0.1), inset -2px 0 rgba(0, 0, 0, 0.1);
}

/* Just one branch */
.branch-1 {
    position: absolute;
    width: 14px;
    height: 50px;
    background: linear-gradient(to top right, #8B5E3C, #6D4C3D);
    left: 40px;
    top: 40%;
    border-radius: 8px;
    transform: rotate(35deg);
}

/* Adjusted leaf positions for simplified tree */
.leaf-1 {
    top: 15%;
    left: 15px;
}

.leaf-2 {
    top: 38%;
    left: 42px;
}

.leaf-3 {
    bottom: 30%;
    left: 20px;
}

/* Simplified tree-root */
.tree-root {
    position: absolute;
    bottom: 0;
    left: 15px;
    width: 40px;
    height: 15px;
    background: #6D4C3D;
    border-radius: 50% 50% 0 0;
    transform: scaleY(0.5);
}

/* Enhanced Age cards styling */
.age-card {
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    overflow: hidden;
    position: relative;
    transform-style: preserve-3d;
    border: 2px solid rgba(255, 255, 255, 0.1);  /* Adding subtle border */
}

.age-card:hover {
    transform: translateY(-8px) scale(1.02) rotateY(5deg);
    box-shadow: var(--shadow-lg), 0 0 15px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.age-content {
    padding: 20px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.age-number {
    font-size: 2.8rem;  /* Slightly larger */
    font-weight: 800;
    line-height: 1;
    margin-bottom: 5px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.2);
    background: linear-gradient(to bottom, #ffffff, rgba(255,255,255,0.85));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.age-card h3 {
    font-size: 1.4rem;
    line-height: 1.2;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.15);
    letter-spacing: 0.5px;
}

.card-highlight {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%);
    transition: left 0.8s ease-in-out;
    pointer-events: none;
    z-index: 1;
}

.age-card:hover .card-highlight {
    left: 100%;
}

/* Enhanced Age card icons */
.age-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 1.1rem;
    color: white;
    opacity: 0.9;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform: translateZ(var(--depth-small));
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(2px);
}

.age-card:hover .age-icon {
    transform: translateZ(var(--depth-medium)) rotate(360deg) scale(1.2);
    opacity: 1;
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15), 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Individual card positioning and coloring */
.main-card {
    grid-column: 1 / 6;
    grid-row: 3 / 8;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #0a4f97 100%);
    z-index: 2;
    box-shadow: 0 15px 30px rgba(0, 61, 122, 0.3);
}

.main-card h3 {
    font-size: 2.4rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 800;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.25);
    position: relative;
    margin: 0;
    padding: 0;
}

.main-card h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: #ffffff;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Age groups cards layout - enhancing the grid layout */
.age-groups-cards {
    position: relative;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(12, 30px);
    gap: 18px;  /* Increased gap slightly */
    height: 100%;
    perspective: var(--perspective);
    padding: 10px 0;
}

/* Common card styling */
.age-card {
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    overflow: hidden;
    position: relative;
    transform-style: preserve-3d;
}

.age-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
}

.age-content {
    padding: 20px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.age-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 5px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.age-card h3 {
    font-size: 1.4rem;
    line-height: 1.2;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card-highlight {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%);
    transition: left 0.8s ease-in-out;
    pointer-events: none;
    z-index: 1;
}

.age-card:hover .card-highlight {
    left: 100%;
}

/* Age card icons */
.age-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 1rem;
    color: white;
    opacity: 0.9;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform: translateZ(var(--depth-small));
}

.age-card:hover .age-icon {
    transform: translateZ(var(--depth-medium)) rotate(360deg) scale(1.2);
    opacity: 1;
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Individual card positioning and coloring */
.main-card {
    grid-column: 1 / 6;
    grid-row: 3 / 8;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #0a4f97 100%);
    z-index: 2;
    box-shadow: 0 15px 30px rgba(0, 61, 122, 0.3);
}

.main-card h3 {
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-3-5 {
    grid-column: 9 / 13;
    grid-row: 1 / 5;
    background: linear-gradient(135deg, var(--accent) 0%, #2ebdff 100%);
    z-index: 2;
    box-shadow: 0 15px 25px rgba(0, 168, 255, 0.3);
}

.card-6-8 {
    grid-column: 9 / 13;
    grid-row: 6 / 10;
    background: linear-gradient(135deg, var(--primary) 0%, #1a75d2 100%);
    z-index: 2;
    box-shadow: 0 15px 25px rgba(0, 86, 179, 0.3);
}

.card-9-11 {
    grid-column: 5 / 10;
    grid-row: 9 / 13;
    background: linear-gradient(135deg, var(--primary-light) 0%, #77b6ff 100%);
    z-index: 2;
    box-shadow: 0 15px 25px rgba(74, 144, 226, 0.3);
}

.card-12-15 {
    grid-column: 10 / 13;
    grid-row: 10 / 13;
    background: linear-gradient(135deg, var(--primary-light) 0%, #609fe6 100%);
    z-index: 2;
    box-shadow: 0 15px 25px rgba(74, 144, 226, 0.3);
}

.card-16-18 {
    grid-column: 6 / 10; /* Changed from 7 / 11 to move left */
    grid-row: 5 / 8;
    background: linear-gradient(135deg, var(--primary) 0%, #0068d7 100%);
    z-index: 2;
    box-shadow: 0 15px 25px rgba(0, 86, 179, 0.3);
}

/* Main Section Heading Styles */
.section-header {
    margin-bottom: 60px;
    position: relative;
    padding: 0 15px;
}

.main-heading {
    color: var(--primary-dark);
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    position: relative;
    margin-bottom: 20px;
}

.heading-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-blue);
    margin: 0 auto;
    border-radius: 2px;
}

/* Responsive styles */
@media (max-width: 1200px) {
    .age-number {
        font-size: 2.2rem;
    }
    
    .age-card h3 {
        font-size: 1.3rem;
    }
    
    .age-groups-content .title {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    .age-groups-section {
        padding: 70px 0;
    }
    
    .age-groups-content {
        margin-bottom: 60px;
    }
    
    .age-groups-content .title {
        font-size: 2rem;
    }
    
    .age-card h3 {
        font-size: 1.2rem;
    }
    
    .content-wrapper {
        padding-right: 20px;
    }
    
    .main-card h3 {
        font-size: 1.8rem;
    }

    .section-header {
        margin-bottom: 40px;
    }
    
    .main-heading {
        font-size: 2.4rem;
    }
    
    .tree-illustration.left-aligned {
        opacity: 0.6; /* Make the tree more subtle on tablet */
    }
}

@media (max-width: 768px) {
    .age-groups-cards {
        grid-template-rows: repeat(20, 20px);
        margin-top: 50px;
    }
    
    .main-card {
        grid-column: 1 / 7;
        grid-row: 1 / 6;
    }
    
    .card-3-5 {
        grid-column: 7 / 13;
        grid-row: 1 / 6;
    }
    
    .card-6-8 {
        grid-column: 1 / 7;
        grid-row: 7 / 12;
    }
    
    .card-9-11 {
        grid-column: 7 / 13;
        grid-row: 7 / 12;
    }
    
    .card-12-15 {
        grid-column: 1 / 7;
        grid-row: 13 / 18;
    }
    
    .card-16-18 {
        grid-column: 7 / 13;
        grid-row: 13 / 18;
    }
    
    .age-number {
        font-size: 1.8rem;
    }
    
    .age-card h3 {
        font-size: 1.1rem;
    }
    
    .age-groups-content .title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .content-wrapper {
        text-align: center;
    }
    
    .age-groups-content .description {
        margin: 0 auto 30px;
        max-width: 100%;
    }
    
    .leaf {
        width: 40px;
        height: 40px;
    }
    
    .leaf-4, .leaf-5 {
        opacity: 0.5;
    }

    .age-groups-section {
        padding: 60px 0 70px;
    }
    
    .main-heading {
        font-size: 2.2rem;
        padding: 0 10px;
    }
    
    .content-wrapper {
        text-align: center;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .age-groups-content .title {
        font-size: 1.8rem;
        margin-top: 20px;
    }
    
    .age-groups-content .title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .age-groups-content .description {
        text-align: center;
        margin: 0 auto 30px;
    }
    
    .tree-illustration.left-aligned {
        opacity: 0.3; /* Further reduce visibility on mobile */
        left: -10px;
    }
    
    .badge-wrapper {
        text-align: center;
        display: block;
    }
    
    .subtitle {
        margin: 0 auto;
    }
    
    .age-groups-cards {
        margin-top: 30px;
    }
}

@media (max-width: 576px) {
    .age-groups-section {
        padding: 50px 0;
    }
    
    .age-groups-content .title {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
        padding: 6px 14px;
    }
    
    .description {
        font-size: 0.9rem;
    }
    
    .learn-more-btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .age-groups-cards {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(30, 15px);
        gap: 10px;
    }
    
    .main-card {
        grid-column: 1 / 7;
        grid-row: 1 / 6;
    }
    
    .card-3-5 {
        grid-column: 1 / 4;
        grid-row: 7 / 12;
    }
    
    .card-6-8 {
        grid-column: 4 / 7;
        grid-row: 7 / 12;
    }
    
    .card-9-11 {
        grid-column: 1 / 4;
        grid-row: 13 / 18;
    }
    
    .card-12-15 {
        grid-column: 4 / 7;
        grid-row: 13 / 18;
    }
    
    .card-16-18 {
        grid-column: 1 / 7;
        grid-row: 19 / 24;
    }
    
    .tree-illustration {
        width: 40px;
    }
    
    .branch {
        width: 15px;
        left: 15px;
    }
    
    .leaf {
        width: 30px;
        height: 30px;
    }
    
    .content-wrapper {
        padding-left: 20px;
    }
    
    .main-card h3 {
        font-size: 1.5rem;
    }
    
    .age-number {
        font-size: 1.5rem;
    }
    
    .age-card h3 {
        font-size: 1rem;
    }
    
    .age-icon {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
        top: 5px;
        right: 5px;
    }

    .main-heading {
        font-size: 1.9rem;
    }
    
    .age-groups-section {
        padding: 50px 0 60px;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .tree-illustration.left-aligned {
        width: 40px;
    }
    
    .main-branch {
        width: 14px;
        left: 15px;
    }
    
    .branch-1 {
        width: 10px;
        height: 40px;
        left: 25px;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .age-card:hover, .learn-more-btn:hover {
        transform: none;
    }
    
    .leaf {
        animation: none;
    }
    
    .subtitle::before, .card-highlight {
        display: none;
    }
}