:root {
    --forest-green: #22543D;
    --teal: #38B2AC;
    --charcoal-grey: #2D3748;
    --light-grey: #F7FAFC;
    --white: #FFFFFF;
    --font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: var(--charcoal-grey);
    background-color: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background-color: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--forest-green);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--forest-green);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-leaf {
    width: 8px;
    height: 8px;
    background-color: var(--teal);
    transform: rotate(45deg);
    position: absolute;
    top: 6px;
}

.logo-m {
    width: 16px;
    height: 10px;
    border: 3px solid var(--teal);
    border-top: none;
    border-radius: 0 0 4px 4px;
}


nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
}

nav a {
    text-decoration: none;
    color: var(--charcoal-grey);
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--teal);
}

/* Hero Section */
#hero {
    background-color: var(--light-grey);
    padding: 6rem 0;
    text-align: center;
}

#hero h1 {
    font-size: 3rem;
    color: var(--forest-green);
    margin-bottom: 1rem;
}

#hero .subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
}

/* General Section Styling */
section {
    padding: 5rem 0;
}

section:nth-of-type(even) {
    background-color: var(--light-grey);
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--forest-green);
    margin-bottom: 3rem;
}

/* Mission Section */
.mission-content {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.mission-box {
    flex: 1;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background-color: var(--white);
}

.mission-box h3 {
    font-size: 1.5rem;
    color: var(--teal);
    margin-top: 0;
}

/* Approach Section */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.approach-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border-left: 5px solid var(--teal);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.approach-card h4 {
    font-size: 1.25rem;
    margin-top: 0;
    color: var(--forest-green);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    max-width: 700px;
    margin: 0 auto;
    border-top: 5px solid var(--forest-green);
    transition: all 0.4s ease;
}

.project-card.flagship {
    max-width: 900px;
    border-top-width: 8px;
}

.project-card h4 {
    font-size: 1.5rem;
    color: var(--teal);
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.project-card h5 {
    font-size: 1.2rem;
    color: var(--forest-green);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.project-content {
    line-height: 1.8;
}

.project-section {
    margin-bottom: 1.5rem;
}

.project-section p {
    margin-bottom: 1rem;
}

.solution-list,
.outcomes-list {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.solution-list li,
.outcomes-list li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.outcome-highlight {
    background-color: var(--light-grey);
    border-left: 4px solid var(--teal);
    padding: 1rem 1.25rem;
    margin-top: 1.5rem;
    border-radius: 0 8px 8px 0;
    font-weight: 500;
}

.project-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(34, 84, 61, 0.15);
}

/* Collapsed Project Content */
.project-card .project-content {
    max-height: 180px;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.project-card .project-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--white));
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.project-card.expanded .project-content {
    max-height: 2000px;
}

.project-card.expanded .project-content::after {
    opacity: 0;
}

/* Learn More Button */
.learn-more-btn {
    background: none;
    border: 2px solid var(--teal);
    color: var(--teal);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.learn-more-btn:hover {
    background-color: var(--teal);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(56, 178, 172, 0.3);
}

.learn-more-btn .arrow {
    transition: transform 0.3s ease;
}

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

.project-card.expanded .learn-more-btn .arrow {
    transform: rotate(90deg);
}

.project-card.expanded .learn-more-btn {
    background-color: var(--teal);
    color: var(--white);
}

/* Flagship project button spacing */
.project-card.flagship .learn-more-btn {
    margin-right: 1rem;
}

/* AI Tools Section */
#ai-tools {
    text-align: center;
}

/* Contact Section */
#contact {
    text-align: center;
}

#contact p {
    max-width: 600px;
    margin: 0 auto 1rem auto;
}

.contact-details {
    margin-top: 2rem;
}

.contact-info {
    font-size: 1.1rem;
    margin: 0.5rem auto;
}

.contact-info a {
    color: var(--teal);
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.cta-button {
    display: inline-block;
    background-color: var(--forest-green);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

.cta-button:hover {
    background-color: var(--teal);
}

/* Footer */
footer {
    background-color: var(--charcoal-grey);
    color: var(--light-grey);
    text-align: center;
    padding: 2rem 0;
}

.social-media-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-media-icons a {
    color: var(--light-grey);
    font-size: 1.5rem;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: inline-block;
}

.social-media-icons a:hover {
    color: var(--teal);
    transform: translateY(-8px) scale(1.15);
}

/* Animations for growth & innovation theme */
@keyframes growUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    animation: growUp 0.8s ease-out forwards;
}

.animate-on-scroll.delay-1 {
    animation-delay: 0.2s;
}

.animate-on-scroll.delay-2 {
    animation-delay: 0.4s;
}

.animate-on-scroll.delay-3 {
    animation-delay: 0.6s;
}

/* Approach cards hover - innovation effect */
.approach-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border-left: 5px solid var(--teal);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.approach-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(56, 178, 172, 0.1), transparent);
    transition: left 0.6s ease;
}

.approach-card:hover::before {
    left: 100%;
}

.approach-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(34, 84, 61, 0.15);
}

/* Mission boxes - growth animation */
.mission-box {
    flex: 1;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background-color: var(--white);
    transition: all 0.4s ease;
}

.mission-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(34, 84, 61, 0.1);
    border-color: var(--teal);
}

/* Project card - sustainability pulse */
.project-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    max-width: 700px;
    margin: 0 auto;
    border-top: 5px solid var(--forest-green);
    transition: all 0.4s ease;
}

.project-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(34, 84, 61, 0.15);
}

/* CTA Button - innovation pulse */
.cta-button {
    display: inline-block;
    background-color: var(--forest-green);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s ease;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    background-color: var(--teal);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(56, 178, 172, 0.4);
}

footer p {
    margin: 0;
}