/* ===================================
   CSS Reset
   =================================== */

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

html {
    scroll-behavior: smooth;
}

/* ===================================
   Design System - Base Variables
   =================================== */

:root {
    /* Base Color Palette */
    --color-lightest-green: #BEEF9E;
    --color-medium-green: #A6C36F;
    --color-olive: #828C51;
    --color-dark-green: #335145;
    --color-darkest-green: #1E352F;
    --color-white: #FFFFFF;
    
    /* Utopia Fluid Typography */
    --step--2: clamp(0.69rem, 0.68rem + 0.03vw, 0.72rem);
    --step--1: clamp(0.83rem, 0.81rem + 0.09vw, 0.9rem);
    --step-0: clamp(1rem, 0.96rem + 0.18vw, 1.13rem);
    --step-1: clamp(1.2rem, 1.13rem + 0.31vw, 1.41rem);
    --step-2: clamp(1.44rem, 1.33rem + 0.49vw, 1.76rem);
    --step-3: clamp(1.73rem, 1.57rem + 0.73vw, 2.2rem);
    --step-4: clamp(2.07rem, 1.84rem + 1.06vw, 2.75rem);
    --step-5: clamp(2.49rem, 2.17rem + 1.5vw, 3.43rem);
    
    /* Utopia Fluid Spacing */
    --space-xs: clamp(0.5rem, 0.48rem + 0.09vw, 0.56rem);
    --space-s: clamp(1rem, 0.96rem + 0.18vw, 1.13rem);
    --space-m: clamp(1.5rem, 1.44rem + 0.27vw, 1.69rem);
    --space-l: clamp(2rem, 1.91rem + 0.36vw, 2.25rem);
    --space-xl: clamp(3rem, 2.87rem + 0.55vw, 3.38rem);
    --space-2xl: clamp(4rem, 3.83rem + 0.73vw, 4.5rem);
    --space-3xl: clamp(6rem, 5.74rem + 1.09vw, 6.75rem);
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-m);
    
    /* Opacity */
    --opacity-hero-bg-light: 0.55;
    --opacity-hero-bg-dark: 0.25;
}

/* ===================================
   Light Mode Theme
   =================================== */

:root {
    --color-bg-body: var(--color-white);
    --color-bg-header: var(--color-medium-green);
    --color-bg-hero: var(--color-white);
    --color-bg-get-involved: var(--color-darkest-green);
    --color-bg-footer: var(--color-medium-green);
    --color-bg-card-odd: var(--color-lightest-green);
    --color-bg-card-even: var(--color-medium-green);
    
    --color-text-body: var(--color-darkest-green);
    --color-text-secondary: var(--color-dark-green);
    --color-text-accent: var(--color-olive);
    --color-text-header: var(--color-darkest-green);
    --color-text-card: var(--color-darkest-green);
    --color-text-get-involved: var(--color-white);
    --color-text-footer: var(--color-darkest-green);
    
    --color-btn-bg: var(--color-lightest-green);
    --color-btn-text: var(--color-darkest-green);
    --color-btn-outline: var(--color-darkest-green);
}

/* ===================================
   Dark Mode Theme
   =================================== */

[data-theme="dark"] {
    --color-bg-body: var(--color-darkest-green);
    --color-bg-header: var(--color-lightest-green);
    --color-bg-hero: var(--color-darkest-green);
    --color-bg-get-involved: var(--color-lightest-green);
    --color-bg-footer: var(--color-lightest-green);
    --color-bg-card-odd: var(--color-medium-green);
    --color-bg-card-even: var(--color-dark-green);
    
    --color-text-body: var(--color-white);
    --color-text-secondary: var(--color-medium-green);
    --color-text-accent: var(--color-lightest-green);
    --color-text-header: var(--color-darkest-green);
    --color-text-card: var(--color-white);
    --color-text-get-involved: var(--color-darkest-green);
    --color-text-footer: var(--color-darkest-green);
    
    --color-btn-bg: var(--color-lightest-green);
    --color-btn-text: var(--color-darkest-green);
    --color-btn-outline: var(--color-lightest-green);
}

/* ===================================
   Typography
   =================================== */

body {
    font-family: 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: var(--step-0);
    line-height: 1.7;
    color: var(--color-text-body);
    background-color: var(--color-bg-body);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
    font-family: 'DM Serif Display', serif;
    line-height: 1.2;
    font-weight: 400;
}

h1 {
    font-size: var(--step-4);
}

h2 {
    font-size: var(--step-3);
}

h3 {
    font-size: var(--step-1);
}

em {
    font-style: italic;
    color: var(--color-text-accent);
}

strong {
    font-weight: 600;
}

/* ===================================
   Layout
   =================================== */

.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-olive);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-s);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   Header
   =================================== */

/* ===================================
   Header
   =================================== */

.header {
    background-color: var(--color-bg-header);
    padding: var(--space-s) 0;
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background-color 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--color-text-header);
    font-weight: 400;
    font-size: var(--step-0);
    font-family: 'DM Serif Display', serif;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-m);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-m);
}

.nav a {
    color: var(--color-text-header);
    text-decoration: none;
    font-size: var(--step--1);
    transition: opacity 0.2s ease;
}

.nav a:hover {
    opacity: 0.7;
}

.theme-toggle {
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.theme-toggle:hover {
    transform: scale(1.05);
}

.light-mode-icon {
    display: none;
}

.dark-mode-icon {
    display: block;
}

[data-theme="dark"] .light-mode-icon {
    display: block;
}

[data-theme="dark"] .dark-mode-icon {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-header);
    transition: transform 0.3s ease;
}

/* Mobile hamburger menu */
@media (max-width: 768px) {
    .nav {
        flex-direction: row-reverse; /* Swaps hamburger and toggle */
    }

    .hamburger {
        display: flex;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + var(--space-s));
        right: 0;
        background: var(--color-bg-header);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-m);
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        min-width: 200px;
        margin-top: calc(-1 * var(--space-s));
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        width: 100%;
        padding: var(--space-xs) 0;
    }
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background-color: var(--color-bg-hero);
    padding: var(--space-3xl) 0;
    min-height: 70vh;
    position: relative;
    transition: background-color 0.3s ease;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg-light {
    display: block;
    opacity: var(--opacity-hero-bg-light);
}

.hero-bg-dark {
    display: none;
    opacity: var(--opacity-hero-bg-dark);
}

[data-theme="dark"] .hero-bg-light {
    display: none;
}

[data-theme="dark"] .hero-bg-dark {
    display: block;
}

.hero .container {
    position: relative;
    z-index: 1;
    padding-top: 10vh;
}

.hero-title {
    margin-bottom: var(--space-m);
}

.hero-subtitle {
    font-size: var(--step-0);
    margin-bottom: var(--space-l);
}

.hero-actions {
    display: flex;
    gap: var(--space-s);
    flex-wrap: wrap;
    margin-bottom: var(--space-l);
}

.button {
    display: inline-block;
    padding: var(--space-xs) var(--space-s);
    border-radius: 4px;
    text-decoration: none;
    font-size: var(--step-0);
    font-weight: 500;
    transition: transform 0.2s ease;
}

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

.email-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-s);
    padding: var(--space-xs) var(--space-s);
    background-color: var(--color-btn-bg);
    color: var(--color-btn-text);
    border: none;
    border-radius: 4px;
    font-size: var(--step-0);
    font-weight: 500;
    cursor: pointer;
    font-family: 'Figtree', sans-serif;
    transition: transform 0.2s ease;
}

.email-button:hover {
    transform: translateY(-2px);
}

.email-button svg {
    flex-shrink: 0;
}

.button-secondary {
    background-color: transparent;
    color: var(--color-btn-outline);
    border: 2px solid var(--color-btn-outline);
    text-align: left;
    line-height: 1.3;
}

.hero-scroll {
    font-size: var(--step-0);
    margin-top: var(--space-xl);
}

.hero-scroll a {
    color: var(--color-text-body);
    text-decoration: none;
}

/* ===================================
   How We Help
   =================================== */

.how-we-help {
    padding: var(--space-3xl) 0;
}

.sticky-layout {
    display: grid;
    grid-template-columns: 35% 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.sticky-sidebar {
    position: sticky;
    top: calc(80px + var(--space-xl));
}

.content-intro h2 {
    margin-bottom: var(--space-l);
}

.intro-text {
    font-size: var(--step-0);
    line-height: 1.7;
}

.intro-text p {
    margin-bottom: var(--space-s);
}

.services-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
}

.service-card {
    padding: var(--space-xl);
    border-radius: 10px;
    transition: transform 0.2s ease, background-color 0.3s ease;
    color: var(--color-text-card);
}

.service-card:hover {
    transform: translateX(4px);
}

.service-card:nth-child(odd) {
    background-color: var(--color-bg-card-odd);
}

.service-card:nth-child(even) {
    background-color: var(--color-bg-card-even);
}

[data-theme="dark"] .service-card:nth-child(odd) {
    background-color: rgba(166, 195, 111, 0.15);
}

[data-theme="dark"] .service-card:nth-child(even) {
    background-color: rgba(20, 40, 35, 0.8);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--space-m);
    margin-bottom: var(--space-m);
}

.service-icon {
    flex-shrink: 0;
}

.icon-light {
    display: block;
}

.icon-dark {
    display: none;
}

[data-theme="dark"] .icon-light {
    display: none;
}

[data-theme="dark"] .icon-dark {
    display: block;
}

.service-card h3 {
    font-size: var(--step-1);
    color: var(--color-text-card);
}

.service-card p {
    font-size: var(--step-0);
    line-height: 1.7;
    color: var(--color-text-card);
}

/* ===================================
   Get Involved
   =================================== */

.get-involved {
    background-color: var(--color-bg-get-involved);
    padding: var(--space-3xl) 0;
    transition: background-color 0.3s ease;
}

.get-involved h2,
.get-involved h3,
.get-involved p,
.get-involved strong {
    color: var(--color-text-get-involved);
}

.get-involved h2 {
    margin-bottom: var(--space-2xl);
}

.involvement-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.involvement-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
}

.involvement-item {
    display: flex;
    gap: var(--space-m);
    align-items: flex-start;
}

.involvement-icon {
    flex-shrink: 0;
}

.involvement-item p {
    margin-bottom: var(--space-xs);
    font-size: var(--step-0);
}

.reach-out h3 {
    margin-bottom: var(--space-l);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-s);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-get-involved);
    font-size: var(--step-0);
    font-weight: 400;
}

/* ===================================
   About
   =================================== */

.about {
    padding: var(--space-3xl) 0;
}

.about h2 {
    margin-bottom: var(--space-l);
}

.about-intro {
    margin-bottom: var(--space-2xl);
    font-size: var(--step-0);
    line-height: 1.7;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

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

.value-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto var(--space-s);
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-card h3 {
    font-size: var(--step--1);
    font-weight: 400;
    font-family: 'Figtree', sans-serif;
    line-height: 1.4;
}

.about-tagline {
    text-align: center;
    font-size: var(--step-0);
    font-style: italic;
    line-height: 1.7;
}

[data-theme="dark"] .about h2,
[data-theme="dark"] .about-intro,
[data-theme="dark"] .value-card h3,
[data-theme="dark"] .about-tagline {
    color: var(--color-white);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: var(--color-bg-footer);
    padding: var(--space-xl) 0;
    transition: background-color 0.3s ease;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-l);
    align-items: center;
    color: var(--color-text-footer);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    justify-self: start;
    font-size: var(--step--1);
    color: var(--color-text-footer);
}

.footer-contact {
    justify-self: end;
}

.footer-contact h3 {
    margin-bottom: var(--space-s);
    font-size: var(--step-0);
    color: var(--color-text-footer);
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    
    font-size: var(--step--1);
    font-weight: 400;
}

/* ===================================
   Accordion (Mobile)
   =================================== */

.accordion-header {
    background: none;
    border: none;
    width: 100%;
    padding: 0;
    cursor: default;
}

.accordion-arrow {
    display: none;
}

.accordion-content {
    display: block;
}

/* ===================================
   Responsive Design
   =================================== */

@media (min-width: 769px) {
    .hero-actions {
        align-items: center;
    }
    
    .button-secondary {
        background: none;
        border: none !important;
        padding: 0;
        color: var(--color-text-body);
        font-weight: 400;
        cursor: default;
        pointer-events: none;
        transform: none !important;
    }
}

@media (max-width: 1024px) {
    .sticky-layout {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .sticky-sidebar {
        position: static;
    }
    
    .involvement-layout {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title br {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .button,
    .email-button {
        width: 100%;
        text-align: left;
        justify-content: center;
    }
    
    .button-secondary {
        background: none;
        border: none !important;
        padding: 0;
        text-align: center;
        pointer-events: none;
        color: var(--color-text-body);
        font-weight: 400;
        
    }
    
    
    /* Accordion styles for mobile */
    .service-card {
        padding: 0;
    }
    
    .accordion-header {
        padding: var(--space-l);
        cursor: pointer;
        display: grid;
        grid-template-columns: auto 1fr auto;
        gap: var(--space-s);
        align-items: center;
    }
    
    .service-header {
        display: contents;
    }
    
    .service-icon {
        grid-column: 1;
    }
    
    .service-header h3 {
        grid-column: 2;
        font-size: var(--step-1);
        text-align: left;
    }
    
    .accordion-arrow {
        display: block;
        grid-column: 3;
        transition: transform 0.3s ease;
        color: currentColor;
    }
    
    .accordion-content {
        display: none;
        padding: 0 var(--space-l) var(--space-l);
    }
    
    .accordion-content.active {
        display: block;
    }
    
    .accordion-header.active .accordion-arrow {
        transform: rotate(180deg);
    }
    
    [data-theme="light"] .accordion-arrow {
    color: var(--color-darkest-green);
    }

[data-theme="dark"] .accordion-arrow {
    color: var(--color-lightest-green);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo,
    .footer-contact {
        justify-self: center;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        align-items: flex-start;
    }
    
    .involvement-item {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-s);
    }
    
    .nav {
        gap: var(--space-s);
    }
}