/* --- Global Styles & Variables --- */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Inter:wght@400;500;700&display=swap');

:root {
    --background-color: #fbfbfb;
    --text-color: #1a1a1a;
    --text-color-light: #555555;
    --accent-color: #42745c;
    --border-color: #e0e0e0;
    --font-serif: 'Libre Baskerville', serif;
    --font-sans: 'Inter', sans-serif;
    --border-radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-serif);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

main { padding: 150px 5vw 40px; animation: fadeIn 1s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.content-container { max-width: 900px; margin: 0 auto; }

h1, h2, h3 { line-height: 1.25; margin-bottom: 1.5rem; font-family: var(--font-serif); }
h1 { font-size: 4rem; font-weight: 700; }
h2 { font-size: 2.5rem; color: var(--text-color); }
p { margin-bottom: 1.5rem; color: var(--text-color-light); max-width: 65ch; font-family: var(--font-sans); }
a { color: var(--accent-color); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--text-color); }

/* --- Header & Navigation --- */
.main-header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    padding: 1rem 2rem;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.logo { height: clamp(30px, 8vw, 40px); width: auto; }
.nav-links { display: flex; list-style: none; font-family: var(--font-sans); }
.nav-links li { margin-left: 35px; }
.nav-links a { color: var(--text-color-light); font-weight: 500; font-size: 1rem; }
.nav-links a.active { color: var(--text-color); font-weight: 700; }
.hamburger { display: none; }

/* --- Hero & Page Headers --- */
.hero { text-align: left; padding: 6rem 0; }
.hero h1 { color: var(--accent-color); }
.page-header { text-align: center; padding: 4rem 0; }
.hero .subtitle, .page-header .subtitle { font-family: var(--font-sans); font-size: 1.2rem; max-width: 60ch; }
.hero .subtitle { margin: 0; }
.page-header .subtitle { margin: 0 auto; }

/* --- Marquee --- */
.marquee { position: relative; overflow: hidden; padding: 2rem 0; margin: 4rem 0; }
.marquee::before, .marquee::after { content: ''; position: absolute; top: 0; width: 100px; height: 100%; z-index: 1; }
.marquee::before { left: 0; background: linear-gradient(to right, var(--background-color) 0%, transparent 100%); }
.marquee::after { right: 0; background: linear-gradient(to left, var(--background-color) 0%, transparent 100%); }
.marquee-content {
    display: flex;
    white-space: nowrap;
    animation: marquee 40s linear infinite;
}

.marquee-content span {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-color-light);
    margin: 0 20px;
}
.marquee .accent-text { color: var(--accent-color); font-weight: 700; }
@keyframes marquee {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-100%);
    }
}

/* --- Homepage Sections --- */
.home-section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: 4rem 0; align-items: start; }
.grid-item h2 { font-size: 2rem; margin-bottom: 1rem; }
.grid-item p { max-width: 50ch; }

.directory { padding: 4rem 0; }
.directory h2 { text-align: center; margin-bottom: 3rem; }
.directory-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.directory-card { display: block; background: #fff; border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 2rem; text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.directory-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07); }
.directory-card h3 { color: var(--accent-color); font-size: 1.2rem; margin: 0; }

/* --- News Page & Modal --- */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.news-card { background: #fff; border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 2rem; cursor: pointer; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07); }
.news-card .news-date { font-family: var(--font-sans); font-size: 0.9rem; color: var(--text-color-light); margin-bottom: 0.5rem; }
.news-card h3 { font-size: 1.4rem; margin-bottom: 1rem; }
.news-grid.is-empty {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.news-empty { text-align: center; padding: 4rem; font-family: var(--font-sans); color: var(--text-color-light); }

.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.6); align-items: center; justify-content: center; animation: fadeIn 0.5s; }
.modal-content-container { background-color: #fefefe; margin: auto; padding: 40px; border-radius: var(--border-radius); width: 90%; max-width: 700px; position: relative; }
.close-modal { color: #aaa; position: absolute; top: 15px; right: 25px; font-size: 28px; font-weight: bold; cursor: pointer; }
.close-modal:hover, .close-modal:focus { color: black; }

/* --- Footer --- */
.main-footer { padding: 4rem 0; margin-top: 5rem; background-color: #fff; border-top: 1px solid var(--border-color); }
.footer-content { display: flex; justify-content: space-between; align-items: center; }
.footer-logo { height: 40px; }
.footer-nav a { font-family: var(--font-sans); margin: 0 1rem; font-weight: 500; color: var(--text-color-light); }
.footer-social a { font-family: var(--font-sans); font-weight: 700; }

/* --- Other pages --- */
.goals-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; }
.goal-card { padding: 2rem; border: 1px solid var(--border-color); border-radius: var(--border-radius); }
.goal-card h3 { color: var(--accent-color); }
.goal-card ul { list-style-position: inside; padding-left: 1rem; font-family: var(--font-sans); }
.contact-info { text-align: center; padding: 4rem 0; }
.contact-info a { font-size: 1.5rem; font-weight: 700; }
.involved-section { padding: 2rem; border: 1px solid var(--border-color); border-radius: var(--border-radius); margin-bottom: 2rem; }
.involved-section.disabled { background-color: #f0f0f0; color: #999; }
.involved-section.disabled h2, .involved-section.disabled p { color: #999; }
.btn.disabled { background-color: #ccc; cursor: not-allowed; }
.btn.disabled:hover { transform: none; }

/* --- Founder Section --- */
.founder-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
}

.founder-image img {
    width: 100%;
    border-radius: var(--border-radius);
}

.founder-message .founder-name {
    font-style: italic;
    text-align: right;
}

/* --- Work Page --- */
.work-section {
    padding: 4rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card-content {
    padding: 2rem;
}

/* --- Mobile Responsiveness --- */
@media screen and (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    main { padding-top: 100px; }
    .main-header { 
        padding: 1rem 2rem;
        top: 10px;
        width: 95%;
    }
    .nav-links { display: none; position: fixed; top: 0; right: -100%; width: 80%; height: 100vh; background-color: var(--background-color); flex-direction: column; justify-content: center; align-items: center; transition: right 0.5s ease-in-out; box-shadow: -5px 0 15px rgba(0,0,0,0.1); }
    .nav-links.nav-active { display: flex; right: 0; }
    .nav-links li { margin: 25px 0; }
    .hamburger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; z-index: 101; }
    .hamburger .line { width: 25px; height: 2px; background-color: var(--text-color); transition: all 0.3s ease; }
    .hamburger.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .hamburger.toggle .line2 { opacity: 0; }
    .hamburger.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }
    .goals-grid, .home-section-grid, .footer-content { grid-template-columns: 1fr; flex-direction: column; text-align: center; gap: 2rem; }
    .footer-logo, .footer-nav, .footer-social { margin: 1rem 0; }
    .marquee-content {
        animation-duration: 40s;
    }
    .project-card {
        grid-template-columns: 1fr;
    }
    .founder-section {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.brand-name {
    color: var(--accent-color);
}

/* --- Timeline --- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 1rem 2rem;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 4rem;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 4rem;
}

.timeline-icon {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    top: 2.5rem;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-icon {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-icon {
    left: -10px;
}

.timeline-content {
    padding: 1rem;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.timeline-date {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-color-light);
    margin-bottom: 0.5rem;
}

/* --- Work Page --- */
.work-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

#work-search {
    width: 60%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-sans);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: transparent;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.work-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}

.work-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.work-card-content {
    padding: 2rem;
}

.work-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}
.work-grid.is-empty {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.work-empty {
    text-align: center;
    padding: 4rem;
    font-family: var(--font-sans);
    color: var(--text-color-light);
}