/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --navy: #0f1b4c;
    --blue: #1a237e;
    --indigo: #283593;
    --accent: #536dfe;
    --accent-light: #8c9eff;
    --bg: #f4f6fc;
    --white: #ffffff;
    --text: #2d3748;
    --text-light: #64748b;
    --border: #e2e8f0;
    --card-bg: #f8faff;
    --radius: 12px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 2rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #304ffe; }

/* === Header === */
header {
    background: var(--navy);
    box-shadow: 0 2px 20px rgba(15, 27, 76, 0.15);
}
.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.logo-icon {
    font-size: 1.5rem;
    color: var(--accent-light);
}
nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 0.8rem;
    align-items: center;
}
nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    text-decoration: none;
}
nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }
nav a.active { color: #fff; background: rgba(83, 109, 254, 0.3); }

/* === Hero === */
.hero {
    background: var(--white);
    color: var(--text);
    padding: 5rem 2rem 4rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}
.hero-inner {
    max-width: 640px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-block;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    color: var(--blue);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.2rem;
    letter-spacing: -0.5px;
    color: var(--navy);
}
.hero h1 em {
    font-style: normal;
    color: var(--accent);
}
.hero-sub {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 2rem;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { color: #fff; }
.btn-outline {
    background: transparent;
    color: var(--navy);
    border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* === Partner Logos === */
.partners {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
}
.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.partner-logos a {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.partner-logos a:hover {
    opacity: 1;
}
.partner-logos img {
    height: 28px;
    width: auto;
    display: block;
}

/* === Pitch Section === */
.pitch {
    padding: 4rem 0 3rem;
}
.pitch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.pitch-item {
    text-align: center;
    padding: 1.5rem;
}
.pitch-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}
.pitch-item h3 {
    color: var(--blue);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}
.pitch-item p {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* === Projects Section === */
.projects {
    padding: 3rem 0 4rem;
}
.projects h2, .how-to-join h2 {
    text-align: center;
    font-size: 1.8rem;
    color: var(--navy);
    margin-bottom: 0.5rem;
}
.section-lead {
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-size: 1.05rem;
}

/* === Theme Cards === */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}
.theme-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.theme-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(83, 109, 254, 0.1);
    color: var(--text);
}
.card-icon {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
}
.theme-card h3 {
    color: var(--navy);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}
.theme-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.55;
    flex: 1;
}
.card-arrow {
    display: inline-block;
    margin-top: 0.8rem;
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 600;
}

/* === How to Join === */
.how-to-join {
    padding: 3rem 0 4rem;
}
.steps {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    justify-content: center;
    flex-wrap: wrap;
}
.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    max-width: 260px;
}
.step-num {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}
.step h4 {
    color: var(--navy);
    margin-bottom: 0.2rem;
    font-size: 1rem;
}
.step p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}
.join-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 1.5rem;
    padding: 1.2rem 2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

/* === Content Pages === */
main.container {
    padding-top: 2.5rem;
    padding-bottom: 3rem;
}
.content-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 2px 16px rgba(15, 27, 76, 0.05);
    padding: 3rem 3.5rem;
}
.content-card h2 {
    color: var(--navy);
    font-size: 1.45rem;
    margin-top: 2.5rem;
    margin-bottom: 0.8rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid #e8eaf6;
}
.content-card h2:first-child { margin-top: 0; }
.content-card h3 {
    color: var(--indigo);
    font-size: 1.1rem;
    margin-top: 1.8rem;
    margin-bottom: 0.5rem;
}
.content-card ul, .content-card ol { padding-left: 1.5rem; }
.content-card li { margin-bottom: 0.5rem; }
.content-card hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}
.content-card strong { color: var(--navy); }
.content-card p { margin-bottom: 1rem; }

/* Content sections (theme detail pages, team, etc.) */
section.content {
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}
section.content h2 {
    color: var(--navy);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 0.6rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border);
}
section.content h2:first-child { margin-top: 0; }
section.content h3 { font-size: 1.05rem; margin-top: 1.5rem; color: var(--navy); }
section.content ul, section.content ol { padding-left: 1.5rem; }
section.content li { margin-bottom: 0.4rem; }
section.content p { margin-bottom: 0.8rem; }
section.content strong { color: var(--navy); }
section.content > div:not(.team-grid):not(.profile-card) {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin: 1rem 0;
    padding: 1rem 1.2rem;
}
section.content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

/* === Team Profile Cards === */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    margin: 1.5rem 0;
    background: none;
    border: none;
    padding: 0;
}
.profile-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}
.profile-card img {
    width: 90px;
    height: 90px;
    border-radius: 10px;
    object-fit: cover;
    object-position: top;
    flex-shrink: 0;
}
.profile-initials {
    width: 90px;
    height: 90px;
    min-width: 90px;
    border-radius: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-light);
}
.profile-info {
    flex: 1;
    min-width: 0;
}
.profile-info h3 {
    font-size: 1.05rem;
    margin: 0 0 0.2rem 0;
    color: var(--navy);
}
.profile-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.1rem 0;
}
.profile-affiliation {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0 0 0.5rem 0;
}
.profile-themes {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0 0 0.3rem 0;
}
.profile-themes a {
    font-size: 0.82rem;
}
.profile-links {
    font-size: 0.82rem;
    margin: 0;
}
.profile-links a {
    font-size: 0.82rem;
}

/* === Footer === */
footer {
    text-align: center;
    padding: 2rem 1rem 2.5rem;
    color: var(--text-light);
    font-size: 0.85rem;
}
.footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}
.dot { color: var(--border); }
footer a { color: var(--accent); }
footer a:hover { text-decoration: underline; }
.funding { font-style: italic; margin-top: 0.3rem; }

/* === Responsive === */
@media (max-width: 768px) {
    .hero {
        padding: 3rem 1.5rem;
    }
    .hero h1 { font-size: 1.9rem; }
    .pitch-grid { grid-template-columns: 1fr; gap: 1rem; }
    .theme-grid { grid-template-columns: 1fr; }
    .steps { flex-direction: column; align-items: center; }
    .content-card { padding: 1.5rem; }
    .header-inner { flex-direction: column; gap: 0.5rem; }
    nav { justify-content: center; }
    .team-grid { grid-template-columns: 1fr; }
    .profile-card { flex-direction: column; align-items: center; text-align: center; }
}