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

:root {
    --primary-green: #27AE60;
    --primary-blue: #3498DB;
    --primary-yellow: #F1C40F;
    --dark-text: #2C3E50;
    --light-text: #7F8C8D;
    --light-bg: #ECF0F1;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
}

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

.btn-primary:hover {
    background-color: #219653;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #2980B9;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
}

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

section {
    padding: 80px 0;
}

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

/* Header Styles */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-green);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    margin: 2px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('images/hero-bg.jpg') no-repeat center center/cover;
    color: var(--white);
    padding: 150px 0 100px;
    margin-top: 70px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Problem Section */
.problem-section {
    background-color: var(--light-bg);
}

.problem-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--dark-text);
}

.problem-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.problem-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-10px);
}

.problem-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

/* Solution Section */
.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.solution-text h2 {
    color: var(--primary-green);
    margin-bottom: 20px;
}

.solution-text ul {
    margin: 20px 0;
    padding-left: 20px;
}

.solution-text li {
    margin-bottom: 10px;
    position: relative;
}

.solution-text li::before {
    content: "✓";
    color: var(--primary-green);
    font-weight: bold;
    margin-right: 10px;
}

.solution-image .placeholder-image {
    height: 300px;
    background-color: var(--primary-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

/* SDG Section */
.sdg-section {
    background-color: var(--primary-blue);
    color: var(--white);
    text-align: center;
}

.sdg-section h2 {
    margin-bottom: 20px;
}

.sdg-section p {
    max-width: 700px;
    margin: 0 auto 30px;
}

.sdg-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}

.sdg-wheel {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--white);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background-color: var(--light-bg);
}

.cta-section h2 {
    color: var(--dark-text);
    margin-bottom: 15px;
}

.cta-section p {
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Footer */
footer {
    background-color: var(--dark-text);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-green);
}

.footer-section p {
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--light-bg);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-green);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-green);
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 4px 0 0 4px;
}

.newsletter-form button {
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 0 15px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: #219653;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Page Hero */
.page-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('images/about-hero.jpg') no-repeat center center/cover;
    color: var(--white);
    padding: 150px 0 80px;
    margin-top: 70px;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

/* Mission Section */
.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.mission-text h2 {
    color: var(--primary-green);
    margin-bottom: 20px;
}

.mission-image .placeholder-image {
    height: 300px;
    background-color: var(--primary-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

/* Values Section */
.values-section {
    background-color: var(--light-bg);
}

.values-section h2 {
    text-align: center;
    margin-bottom: 50px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-10px);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.value-item h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

/* Team Section */
.team-section {
    text-align: center;
}

.team-intro {
    max-width: 700px;
    margin: 0 auto 50px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
}

.member-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: var(--light-bg);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text);
    font-weight: bold;
}

.team-member h3 {
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.role {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 15px;
}

/* Process Steps */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
    margin: 50px 0;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 30px;
    width: 4px;
    background-color: var(--primary-blue);
    z-index: -1;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    flex: 1;
}

.step-content h3 {
    color: var(--primary-green);
    margin-bottom: 10px;
}

/* Verification Section */
.verification-section {
    background-color: var(--light-bg);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.criterion {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.criterion h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.criterion ul {
    list-style: none;
}

.criterion li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.criterion li::before {
    content: "•";
    color: var(--primary-green);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.benefit:hover {
    transform: translateY(-10px);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.benefit h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

/* Verification Process */
.verification-process {
    background-color: var(--light-bg);
}

.process-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.process-step h3 {
    color: var(--primary-green);
    margin-bottom: 15px;
}

/* Criteria Tabs */
.criteria-tabs {
    margin-top: 50px;
}

.tab-headers {
    display: flex;
    border-bottom: 2px solid var(--light-bg);
    margin-bottom: 30px;
}

.tab-header {
    padding: 15px 30px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--light-text);
    transition: var(--transition);
    position: relative;
}

.tab-header.active {
    color: var(--primary-green);
}

.tab-header.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-green);
}

.tab-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.tab-pane ul {
    list-style: none;
}

.tab-pane li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.tab-pane li::before {
    content: "•";
    color: var(--primary-green);
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

/* Pricing Section */
.pricing-section {
    background-color: var(--light-bg);
    text-align: center;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 2px solid var(--primary-green);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-green);
    color: var(--white);
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.pricing-card p {
    margin-bottom: 20px;
    color: var(--light-text);
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-card li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.pricing-card li::before {
    content: "✓";
    color: var(--primary-green);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Application CTA */
.application-cta {
    text-align: center;
    padding: 80px 0;
}

.application-cta h2 {
    margin-bottom: 15px;
}

.application-cta p {
    max-width: 700px;
    margin: 0 auto 30px;
}

/* Contact Form */
.contact-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-green);
    outline: none;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Contact Info */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.contact-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-10px);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.contact-item h3 {
    color: var(--primary-green);
    margin-bottom: 15px;
}

/* FAQ Section */
.faq-section {
    background-color: var(--light-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 20px;
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    padding: 20px;
    max-height: 1000px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .solution-content,
    .mission-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        transition: var(--transition);
        box-shadow: var(--shadow);
        z-index: 999;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        padding: 30px;
    }
    
    nav ul li {
        margin: 15px 0;
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .tab-headers {
        flex-direction: column;
    }
    
    .tab-header {
        text-align: left;
        border-bottom: 1px solid var(--light-bg);
    }
    
    .tab-header.active::after {
        width: 5px;
        height: 100%;
        bottom: 0;
        left: 0;
    }
}

@media (max-width: 576px) {
    .contact-form {
        padding: 20px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .newsletter-form button {
        border-radius: 4px;
    }
}