/* Optimized 2025 Button Style */
.btn-primary, .option-btn, .signup-btn {
    display: inline-block;
    background-color: #1865f2; /* Professional Khan Blue */
    color: #ffffff !important; /* Forces text to be white for visibility */
    border: 1px solid #1865f2;
    padding: 14px 24px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    margin-bottom: 10px; /* Prevents buttons from touching when stacked */
    width: auto;
    min-width: 160px; /* Ensures consistent size */
}

/* Hover State */
.btn-primary:hover, .option-btn:hover, .signup-btn:hover {
    background-color: #0b4fc7; /* Darker blue on hover */
    border-color: #0b4fc7;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Subtle depth */
    text-decoration: none;
}

/* Active State (When clicked) */
.btn-primary:active, .option-btn:active {
    transform: translateY(1px);
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Lato', sans-serif;
    color: var(--ka-text);
    background-color: #fff;
    line-height: 1.5;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. NAVBAR REWRITE */
.navbar {
    border-bottom: 1px solid var(--ka-border);
    background: #fff;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.left-nav {
    display: flex;
    align-items: center;
    color: #007bff;
    gap: 20px;
}

.explore-link {
    font-weight: 700;
    color: var(--ka-text);
    text-decoration: none;
}

.search-box {
    position: relative;
    display: flex;
    color: #007bff;
    align-items: center;

}

.search-box input {
    padding: 8px 12px 8px 35px;
    border: 1px solid var(--ka-border);
    border-radius: 4px;
    width: 220px;
}

.search-btn {
    position: absolute;
    left: 10px;
    background:#007bff;
    border: none;
    cursor: pointer;
}

.logo a {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--ka-text);
    text-decoration: none;
}

.logo-icon {
    color: var(--ka-green);
}

.right-nav a {
    text-decoration: none;
    font-weight: 700;
    color: var(--ka-blue);
    margin-left: 20px;
}

/* 3. HERO SECTION FIX */
.hero {
    background-color: var(--ka-light-gray);
    padding: 60px 0;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 2.8rem;
    color: var(--ka-dark-blue);
    margin-bottom: 20px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
}

.btn-primary {
    background-color:#007bff;
    color: rgb(17, 17, 212);
    border: none;
    padding: 14px 24px;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    margin-right: 10px;
    transition: background 0.2s;
}

.btn-primary:hover {
    background-color: #0b4fc7;
}


/* ---------------------------
   4. DOMAINS/SUBJECTS SECTION 
   --------------------------- */
.domains-container {
    padding: 60px 0;
}

.domain-section {
    margin-bottom: 40px;
    transition: transform 0.2s ease;
}

.domain-section:hover {
    transform: translateY(-2px);
}

.domain-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.icon-wrapper {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    margin-right: 15px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05); 
}

/* Subject background colors (2025 Palette) */
.math-icon { background-color: #e5f4fc; }
.science-icon { background-color: #e6f6f2; }
.social-icon { background-color: #f0f0e0; }
.econ-icon { background-color: #fff4e0; }
.ela-icon { background-color: #f4e8f7; }
.life-icon { background-color: #ffeff3; }
.partner-icon { background-color: #f0f0e0; }
.test-prep-icon { background-color: #e5f4fc; }
.computing-icon { background-color: #fff4e0; }

.domain-section h2, .domain-section h3 {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* GRID SYSTEM: Upgraded to use Grid for perfect alignment */
.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.domain-pair {
    display: grid; /* Switched from flex to grid for 2025 precision */
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 40px;
}

.column h3, .column h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-dark-gray);
}

.column ul li {
    margin-bottom: 10px;
    line-height: 1.4;
}

.column ul li a {
    color: var(--color-text);
    font-weight: 400;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s, padding-left 0.2s;
}

.column ul li a:hover {
    color: var(--color-blue);
    text-decoration: underline;
    padding-left: 2px; /* Subtle 2025 motion effect */
}

.section-divider {
    border: 0;
    border-top: 1px solid var(--color-border-light);
    margin: 40px 0;
}

/* ---------------------------
 * 5. PARTNER CURRICULUM (ACCORDIONS)
 * --------------------------- */
.accordion-item {
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
    background-color: #fff;
    transition: box-shadow 0.3s ease;
}

.accordion-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

details > summary {
    list-style: none;
    cursor: pointer;
    outline: none;
}

details > summary::-webkit-details-marker {
    display: none;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    background-color: #fff;
}

.item-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.accordion-header .arrow {
    font-size: 1.2rem;
    color: var(--color-blue);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth arrow rotation when open */
details[open] .arrow {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 24px;
    background-color: var(--color-light-gray);
    border-top: 1px solid var(--color-border-light);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* ---------------------------
   6. RESPONSIVE RULES (MOBILE OPTIMIZED)
   --------------------------- */
@media (max-width: 1024px) {
    .domain-pair {
        grid-template-columns: 1fr; 
        gap: 20px;
    }
    
    .domain-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .domain-grid, .accordion-content {
        grid-template-columns: 1fr; /* Single column on phones */
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .icon-wrapper {
        width: 50px;
        height: 50px;
    }
}

/* ---------------------------
   6. WHY IT WORKS SECTION
   --------------------------- */
.why-it-works {
    background-color: #fff;
    padding: 80px 0;
    text-align: center;
}

.why-it-works h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 50px;
}

.features-grid {
    display: flex;
    gap: 30px;
    justify-content: space-around;
}

.feature-card {
    flex: 1;
    max-width: 350px;
    padding: 20px;
}

.feature-card img {
    margin-bottom: 20px;
    max-width: 100%;
    height: auto;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.5;
}



/* Teacher Hero */
.teacher-hero {
    background-color: #ffffff; 
    padding: 80px 0;
    display: flex;
    gap: 40px;
    align-items: center;
}

.teacher-hero .hero-images img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.teacher-hero .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-teal);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.teacher-hero h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.teacher-hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    line-height: 1.5;
}
/* ---------------------------
   7. TEACHER & LEARNERS HEROES
   --------------------------- */
/* Teacher Hero */
.teacher-hero {
    background-color: #ffffff; 
    padding: 80px 0;
    display: flex;
    gap: 40px;
    align-items: center;
}

.teacher-hero .hero-images img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.teacher-hero .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-teal);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.teacher-hero h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.teacher-hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    line-height: 1.5;
}

/* Learners Hero */
.learners-hero {
    background-color: #ffffff; 
    padding: 80px 0;
    color: var(--color-text); 
}

.learners-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.learners-content .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-teal); 
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.learners-content h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.learners-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray); 
    line-height: 1.5;
}

.highlight-teal {
    background-color: var(--color-highlight-teal);
    color: var(--color-text);
    padding: 2px 5px;
    border-radius: 4px;
}

.learners-hero .btn-blue {
    background-color: var(--color-blue); 
    color: #fff !important; 
}

.learners-hero .btn-blue:hover {
    background-color: #1555c9; 
}
/* ---------------------------
   8. TESTIMONIAL SECTION
   --------------------------- */
.testimonial-section {
    background-color: var(--color-highlight-orange);
    padding: 80px 0;
    text-align: center;
}

.quote-box {
    max-width: 800px;
    margin: 0 auto;
}

.quote-text {
    font-size: 1.5rem; /* Reduced from 1.8rem */
    font-style: italic;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-dark-gray);
    margin-bottom: 30px;
}

.attribution {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.attribution .info {
    text-align: left;
}

.attribution .name {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
}

.attribution .location {
    display: block;
    font-size: 0.9rem;
    color: var(--color-medium-gray);
}

.testimonial-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

/* ---------------------------
   9. MAKE A DIFFERENCE SECTION
   --------------------------- */
.make-a-difference-section {
    padding: 80px 0;
    background-color: #fff;
}

.difference-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.difference-image-side {
    flex: 1;
}

.difference-illustration {
    max-width: 100%;
    height: auto;
    display: block;
}

.difference-text-side {
    flex: 1;
}

.difference-text-side .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-orange);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.difference-text-side h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.underlined-text {
    text-decoration: underline;
    text-decoration-thickness: 8px;
    text-decoration-color: #ffefe0;
    text-underline-offset: 5px;
}

.difference-text-side p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    line-height: 1.5;
}

/* ---------------------------
   10. JOIN SECTION
   --------------------------- */
.join-section {
    position: relative;
    padding: 100px 20px;
    text-align: center;
    background-color: #fff;
    overflow: hidden;
}

.join-section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    font-weight: 900;
    color: var(--color-text);
}

.join-container {
    position: relative;
    display: inline-block;
    z-index: 1;
}

.join-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.join-btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--color-blue);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 6px;
    transition: background-color 0.3s, transform 0.2s;
    min-width: 220px;
    text-align: center;
}

.join-btn:hover {
    background-color: #0f4acb;
    transform: translateY(-3px);
}

.bg-decor {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    opacity: 0.1;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

/* ---------------------------
   11. SUPPORTERS SECTION
   --------------------------- */
.supporters-section {
    background-color: #f7f7f7;
    padding: 80px 20px;
    text-align: center;
}

.supporters-section h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 50px;
    color: var(--color-text);
}

.logo-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    justify-content: center;
    align-items: center;
}

.logo-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 60px;
}

.logo-item img {
    max-height: 60px;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s, transform 0.3s;
}

.logo-item img:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ---------------------------
 /* ---------------------------
   12. FOOTER
   --------------------------- */
.main-footer {
    background-color:hsl(219, 100%, 5%); 
    padding-top: 40px;
    color: #fff; 
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 40px;
    flex-wrap: wrap;
}

.footer-mission {
    max-width: 300px;
}

.mission-text {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
}

.nonprofit-info {
    font-size: 0.9rem;
    color: #aaa;
}

.footer-col-group {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-col {
    min-width: 150px;
}

.footer-col p.col-heading {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: #fff;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-link {
    color: #aaa;
    font-size: 0.9rem;
}

.footer-link:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-col.courses-col {
    max-width: 300px;
}

.app-links {
    margin-top: 20px;
}

.app-links .download-text {
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.app-links img {
    display: block;
    margin-bottom: 5px;
}

/* Footer Bottom Bar */
.footer-bottom {
    border-top: 1px solid #333;
    padding: 20px 0;
}

.footer-bottom-bar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-selector-row {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-selector select {
    padding: 8px;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #aaa;
    background-color: #222;
}

.country-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.flag-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: #aaa;
}

.flag-item img {
    width: 20px;
    height: 20px;
    object-fit: cover;
    border-radius: 3px;
}

.selector-label {
    font-weight: bold;
    margin-right: 8px;
    color: #aaa;
}

.footer-legal-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.legal-links-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    color: #aaa;
}

.legal-links-group span {
    color: #aaa;
}

.legal-link {
    color: #aaa;
    font-size: 0.9rem;
}

.legal-link:hover {
    color: #fff;
    text-decoration: underline;
}

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

.social-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    transition: opacity 0.2s ease;
   
}

.social-icon:hover img {
    opacity: 0.7;
}
/* ---------------------------
   13. RESPONSIVE DESIGN
   --------------------------- */
@media (max-width: 1050px) {
    .domain-grid {
        flex-wrap: wrap;
    }
    
    .domain-grid .column {
        min-width: unset;
        width: calc(50% - 20px);
    }
}

@media (max-width: 900px) {
    /* Stack large hero sections */
    .hero-container,
    .teacher-hero,
    .learners-content,
    .difference-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .hero-text {
        padding-right: 0;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .search-box input[type="search"] {
        width: 150px;
    }
    
    /* Adjust footer layout */
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-col-group {
        justify-content: space-between;
        width: 100%;
    }
    
    .features-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .teacher-hero h1,
    .learners-content h1,
    .difference-text-side h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        padding-right: 0;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 20px;
    }
    
    .left-nav {
        order: 2;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
    
    .logo {
        order: 1;
    }
    
    .right-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
    
    .domain-grid {
        flex-direction: column;
    }
    
    .domain-grid .column {
        width: 100%;
    }
    
    .domain-split {
        flex-direction: column;
        gap: 30px;
    }
    
    .accordion-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .logo-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-selector-row {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .footer-legal-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .join-btn {
        min-width: 180px;
        padding: 12px 25px;
    }
    
    .join-section h2 {
        font-size: 2rem;
    }
    
    .bg-decor {
        width: 250px;
    }
    
    .supporters-section h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .logo-item {
        gap: 40px;
    }
    
    .logo-item img {
        max-height: 50px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .btn-primary, .btn-blue {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .logo-item {
        gap: 20px;
    }
    
    .logo-item img {
        max-height: 40px;
    }
    
    .footer-col {
        min-width: 100%;
    }
    
    .join-section h2 {
        font-size: 1.8rem;
    }
    
    .why-it-works h2 {
        font-size: 2rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    .testimonial-section .quote-text {
        font-size: 1.2rem;
    }
}
/* ---------------------------
   1. VARIABLES & GLOBAL RESET
   --------------------------- */
:root {
    /* Khan Academy Primary Colors */
    --color-blue: #1865f2; 
    --color-green: #00b093; 
    --color-teal: #199478; 
    --color-orange: #ff5800; 
    
    /* Neutral Colors */
    --color-text: #1a1a1a;
    --color-dark-gray: #303030;
    --color-medium-gray: #777777;
    --color-light-gray: #f7f9fa; 
    --color-border-light: #dddddd;

    /* Highlight Backgrounds */
    --color-highlight-teal: #e7f5f5; 
    --color-highlight-orange: #fef8f0; 
}

/* Global Reset (Modernized) */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Lato', sans-serif;
    color: var(--color-text);
    background-color: #ffffff; 
    line-height: 1.6;
}

a { 
    text-decoration:none;
    color: var(--color-blue);
    transition: color 0.2s;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ---------------------------
   2. NAVBAR
   --------------------------- */
.navbar {
    border-bottom: 1px solid var(--color-border-light);
    background-color: #fff;
    position:sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display:flex;
    justify-content: space-between;
    align-items:center;
    height: 64px;
    position: relative;
}

.left-nav,
.right-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Logo */
.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
}

.logo-icon {
    font-size: 2rem;
    color: var(--color-green);
    margin-right: 5px;
}

/* Explore Dropdown */
.explore-link {
    font-weight: 700;
    color: var(--color-text);
    padding: 10px 15px;
    border-radius: 4px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
}

.explore-link:hover {
    background-color: #f0f0f0;
    text-decoration: none;
}

.arrow {
    font-size: 0.7rem;
    margin-left: 5px;
    transition: transform 0.2s;
}

/* Search Box */
.search-box {
    position:relative;
    display: flex;
    align-items: center;
}

.search-box input[type="search"] {
    padding: 8px 10px 8px 35px;
    border: 1px solid var(--color-border-light);
    border-radius: 4px;
    font-size: 0.9rem;
    width: 200px;
    transition: border-color 0.2s;
}

.search-box input[type="search"]:focus {
    border-color: var(--color-blue);
    outline: none;
}

.search-btn {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-medium-gray);
    padding: 0;
}

/* Right Nav Buttons */
.right-nav a {
    padding: 8px 12px;
    border-radius: 4px;
    font-weight: 700;
    transition: background-color 0.2s;
}

.right-nav a:hover {
    background-color: #f0f0f0;
    text-decoration: none;
}

.right-nav a.donate-btn {
    color: var(--color-text);
    border: 2px solid var(--color-text);
}

/* ---------------------------
   3. HERO SECTION
   --------------------------- */
.hero {
    background-color: var(--color-light-gray);
    padding: 60px 0;
}

.hero-container {
    display:flex;
    align-items: center;
    gap: 40px;
}

.hero-image {
    flex: 1;
    min-width: 300px;
}

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

.hero-text {
    flex: 1;
    padding-right: 40px;
}

.hero-text h1 {
    font-size: 1.8rem; 
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
}

.highlight {
    color: var(--color-green);
}

/* Primary Button Style */
.btn-primary, .btn-blue {
    display: inline-block;
    background-color: var(--color-blue);
    color: #fff !important;
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 4px;
    margin-right: 10px;
    cursor: pointer;
    transition: background-color 0.2s;
    text-decoration: none;
}

.btn-primary:hover, .btn-blue:hover {
    background-color: #1555c9;
}

.hero-buttons {
    display: flex;
    gap: 10px;
}

/* ---------------------------
   4. DOMAINS/SUBJECTS SECTION
   --------------------------- */
.domains-container {
    padding: 60px 0;
}

.domain-section {
    margin-bottom: 40px;
}

.domain-header {
    display:flex;
    align-items: center;
    margin-bottom: 20px;
}

.icon-wrapper {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    margin-right: 15px;
    flex-shrink: 0;
}

/* Subject background colors */
.math-icon { background-color: #e5f4fc; }
.science-icon { background-color: #e6f6f2; }
.social-icon { background-color: #f0f0e0; }
.econ-icon { background-color: #fff4e0; }
.ela-icon { background-color: #f4e8f7; }
.life-icon { background-color: #ffeff3; }
.partner-icon { background-color: #f0f0e0; }
.test-prep-icon { background-color: #e5f4fc; }
.computing-icon { background-color: #fff4e0; }

.domain-section h2, .domain-section h3 {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-text);
}

.domain-grid {
    display: flex;
    gap: 40px;
}

.domain-grid .column {
    flex: 1;
    min-width: 250px;
}

.domain-split {
    display: flex;
    gap: 40px;
}

.domain-split .domain-section.half {
    flex: 1;
}

.column h3, .column h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-dark-gray);
}

.column-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.column-header img {
    width: 30px;
    height: 30px;
}

.column ul li {
    margin-bottom: 8px;
}

.column ul li a {
    color: var(--color-text);
    font-weight: 400;
}

.column ul li a:hover {
    color: var(--color-blue);
    text-decoration: underline;
}

.section-divider {
    border: 0;
    border-top: 1px solid var(--color-border-light);
    margin: 40px 0;
}

/* ---------------------------
   5. PARTNER CURRICULUM (ACCORDIONS)
   --------------------------- */
.partner-curriculum-menu {
    padding-bottom: 60px;
}

.accordion-item {
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 10px;
}

/* Remove default summary marker */
details > summary {
    list-style: none;
    cursor: pointer;
}

details > summary::-webkit-details-marker {
    display: none;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: #fff;
    transition: background-color 0.2s;
}

.accordion-header:hover {
    background-color: #f7f7f7;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.item-title {
    font-size: 1.2rem; /* Slightly smaller */
    font-weight: 700;
    color: var(--color-text);
}

.accordion-header .arrow {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--color-blue);
    transition: transform 0.2s;
    transform: rotate(0deg);
}

.accordion-item[open] .accordion-header .arrow {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 20px;
    background-color: #fafafa;
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: 40px;
}

.accordion-content.two-columns {
    display: flex;
}

.accordion-content ul {
    flex: 1;
}

.accordion-content li {
    padding: 5px 0;
}

.accordion-content a {
    color: var(--color-dark-gray);
}

.accordion-content a:hover {
    color: var(--color-blue);
    text-decoration: underline;
}

/* ---------------------------
   6. WHY IT WORKS SECTION
   --------------------------- */
.why-it-works {
    background-color: #fff;
    padding: 80px 0;
    text-align: center;
}

.why-it-works h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 50px;
}

.features-grid {
    display: flex;
    gap: 30px;
    justify-content: space-around;
}

.feature-card {
    flex: 1;
    max-width: 350px;
    padding: 20px;
}

.feature-card img {
    margin-bottom: 20px;
    max-width: 100%;
    height: auto;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 1rem;
    color: var(--color-dark-gray);
    line-height: 1.5;
}

/* ---------------------------
   7. TEACHER & LEARNERS HEROES
   --------------------------- */
/* Teacher Hero */
/* ---------------------------
   7. TEACHER & LEARNERS HEROES
   --------------------------- */
/* Teacher Hero */
.teacher-hero {
    background-color: #ffffff; 
    padding: 80px 0;
    display: flex;
    gap: 40px;
    align-items: center;
}

.teacher-hero .hero-images img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.teacher-hero .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-teal);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.teacher-hero h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.teacher-hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    line-height: 1.5;
}
/* ---------------------------
   7. TEACHER & LEARNERS HEROES
   --------------------------- */
/* Teacher Hero */
.teacher-hero {
    background-color: #ffffff; 
    padding: 80px 0;
    display: flex;
    gap: 40px;
    align-items: center;
}

.teacher-hero .hero-images img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.teacher-hero .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-teal);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.teacher-hero h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.teacher-hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    line-height: 1.5;
}

/* Learners Hero */
.learners-hero {
    background-color: #ffffff; 
    padding: 80px 0;
    color: var(--color-text); 
}

.learners-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.learners-content .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-teal); 
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.learners-content h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.learners-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray); 
    line-height: 1.5;
}

.highlight-teal {
    background-color: var(--color-highlight-teal);
    color: var(--color-text);
    padding: 2px 5px;
    border-radius: 4px;
}

.learners-hero .btn-blue {
    background-color: var(--color-blue); 
    color: #fff !important; 
}

.learners-hero .btn-blue:hover {
    background-color: #1555c9; 
}
/* ---------------------------
   8. TESTIMONIAL SECTION
   --------------------------- */
.testimonial-section {
    background-color: var(--color-highlight-orange);
    padding: 80px 0;
    text-align: center;
}

.quote-box {
    max-width: 800px;
    margin: 0 auto;
}

.quote-text {
    font-size: 1.5rem; /* Reduced from 1.8rem */
    font-style: italic;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-dark-gray);
    margin-bottom: 30px;
}

.attribution {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.attribution .info {
    text-align: left;
}

.attribution .name {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
}

.attribution .location {
    display: block;
    font-size: 0.9rem;
    color: var(--color-medium-gray);
}

.testimonial-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

/* ---------------------------
   9. MAKE A DIFFERENCE SECTION
   --------------------------- */
.make-a-difference-section {
    padding: 80px 0;
    background-color: #fff;
}

.difference-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.difference-image-side {
    flex: 1;
}

.difference-illustration {
    max-width: 100%;
    height: auto;
    display: block;
}

.difference-text-side {
    flex: 1;
}

.difference-text-side .eyebrow {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-orange);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.difference-text-side h1 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.underlined-text {
    text-decoration: underline;
    text-decoration-thickness: 8px;
    text-decoration-color: #ffefe0;
    text-underline-offset: 5px;
}

.difference-text-side p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    line-height: 1.5;
}

/* ---------------------------
   10. JOIN SECTION
   --------------------------- */
.join-section {
    position: relative;
    padding: 100px 20px;
    text-align: center;
    background-color: #fff;
    overflow: hidden;
}

.join-section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    font-weight: 900;
    color: var(--color-text);
}

.join-container {
    position: relative;
    display: inline-block;
    z-index: 1;
}

.join-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.join-btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--color-blue);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 6px;
    transition: background-color 0.3s, transform 0.2s;
    min-width: 220px;
    text-align: center;
}

.join-btn:hover {
    background-color: #0f4acb;
    transform: translateY(-3px);
}

.bg-decor {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    opacity: 0.1;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

/* ---------------------------
   11. SUPPORTERS SECTION
   --------------------------- */
.supporters-section {
    background-color: #f7f7f7;
    padding: 80px 20px;
    text-align: center;
}

.supporters-section h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 50px;
    color: var(--color-text);
}

.logo-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    justify-content: center;
    align-items: center;
}

.logo-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 60px;
}

.logo-item img {
    max-height: 60px;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s, transform 0.3s;
}

.logo-item img:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ---------------------------
 /* ---------------------------
   12. FOOTER
   --------------------------- */
.main-footer {
    background-color:hsl(219, 100%, 5%); 
    padding-top: 40px;
    color: #fff; 
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 40px;
    flex-wrap: wrap;
}

.footer-mission {
    max-width: 300px;
}

.mission-text {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
}

.nonprofit-info {
    font-size: 0.9rem;
    color: #aaa;
}

.footer-col-group {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-col {
    min-width: 150px;
}

.footer-col p.col-heading {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: #fff;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-link {
    color: #aaa;
    font-size: 0.9rem;
}

.footer-link:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-col.courses-col {
    max-width: 300px;
}

.app-links {
    margin-top: 20px;
}

.app-links .download-text {
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.app-links img {
    display: block;
    margin-bottom: 5px;
}

/* Footer Bottom Bar */
.footer-bottom {
    border-top: 1px solid #333;
    padding: 20px 0;
}

.footer-bottom-bar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-selector-row {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-selector select {
    padding: 8px;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #aaa;
    background-color: #222;
}

.country-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.flag-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: #aaa;
}

.flag-item img {
    width: 20px;
    height: 20px;
    object-fit: cover;
    border-radius: 3px;
}

.selector-label {
    font-weight: bold;
    margin-right: 8px;
    color: #aaa;
}

.footer-legal-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.legal-links-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    color: #aaa;
}

.legal-links-group span {
    color: #aaa;
}

.legal-link {
    color: #aaa;
    font-size: 0.9rem;
}

.legal-link:hover {
    color: #fff;
    text-decoration: underline;
}

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

.social-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    transition: opacity 0.2s ease;
   
}

.social-icon:hover img {
    opacity: 0.7;
}
/* ---------------------------
   13. RESPONSIVE DESIGN
   --------------------------- */
@media (max-width: 1050px) {
    .domain-grid {
        flex-wrap: wrap;
    }
    
    .domain-grid .column {
        min-width: unset;
        width: calc(50% - 20px);
    }
}

@media (max-width: 900px) {
    /* Stack large hero sections */
    .hero-container,
    .teacher-hero,
    .learners-content,
    .difference-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .hero-text {
        padding-right: 0;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .search-box input[type="search"] {
        width: 150px;
    }
    
    /* Adjust footer layout */
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-col-group {
        justify-content: space-between;
        width: 100%;
    }
    
    .features-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .teacher-hero h1,
    .learners-content h1,
    .difference-text-side h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        padding-right: 0;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 20px;
    }
    
    .left-nav {
        order: 2;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
    
    .logo {
        order: 1;
    }
    
    .right-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
    
    .domain-grid {
        flex-direction: column;
    }
    
    .domain-grid .column {
        width: 100%;
    }
    
    .domain-split {
        flex-direction: column;
        gap: 30px;
    }
    
    .accordion-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .logo-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-selector-row {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .footer-legal-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .join-btn {
        min-width: 180px;
        padding: 12px 25px;
    }
    
    .join-section h2 {
        font-size: 2rem;
    }
    
    .bg-decor {
        width: 250px;
    }
    
    .supporters-section h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .logo-item {
        gap: 40px;
    }
    
    .logo-item img {
        max-height: 50px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .btn-primary, .btn-blue {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .logo-item {
        gap: 20px;
    }
    
    .logo-item img {
        max-height: 40px;
    }
    
    .footer-col {
        min-width: 100%;
    }
    
    .join-section h2 {
        font-size: 1.8rem;
    }
    
    .why-it-works h2 {
        font-size: 2rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    .testimonial-section .quote-text {
        font-size: 1.2rem;
    }
}
body {
    font-family: 'Lato', sans-serif; /* Use the font specified in your HTML <head> */
    margin: 0;
    padding: 0;
    background-color: #ffffff; /* White background */
    color: #242f3a; /* Default text color */
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5%; /* Adjust padding as needed */
    border-bottom: 1px solid #eee; /* Light gray border */
}

.logo a {
    color: #242f3a;
    text-decoration: none;
    font-weight: 700;
}

.right-nav a {
    color: #242f3a;
    text-decoration: none;
    margin-left: 20px;
}

/* Style the "Sign up" button distinctly */
.right-nav a:last-child {
    background-color: #007bff; /* Use a bright blue for buttons as seen in image */
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
}

.hero-container {
    display: flex;
    justify-content: space-between;
    padding: 50px 5%;
    /* Add responsiveness with media queries for smaller screens */
}

.hero-image-wrapper h1 {
    color: #9cb443; 
    font-size: 2.5rem;
}