:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --secondary: #34a853;
    --secondary-light: #e6f4ea;
    --accent-yellow: #fbbc04;
    --accent-yellow-light: #fef7e0;
    --accent-red: #ea4335;
    --accent-red-light: #fce8e6;
    --text-main: #202124;
    --text-muted: #5f6368;
    --bg-body: #f8f9fa;
    --bg-card: #ffffff;
    --border-color: #dadce0;
    --shadow-sm: 0 1px 3px rgba(60, 64, 67, 0.12), 0 1px 2px rgba(60, 64, 67, 0.24);
    --shadow-md: 0 4px 12px rgba(60, 64, 67, 0.12);
    --radius-md: 12px;
    --radius-lg: 16px;
    --max-width: 1160px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-body);
    line-height: 1.65;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Top Nonprofit Bar */
.top-bar {
    background-color: #202124;
    color: #e8eaed;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
}

.top-bar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.top-bar-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--secondary);
    border-radius: 50%;
    display: inline-block;
}

.top-bar-links {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.top-bar-links a {
    color: #8ab4f8;
    font-weight: 500;
}

.top-bar-links a:hover {
    text-decoration: underline;
}

/* Header & Navigation */
.site-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.9rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.25rem;
}

.brand:hover {
    color: var(--text-main);
}

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, #4285f4 50%, var(--secondary) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    list-style: none;
}

.nav-menu a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

.nav-cta {
    background-color: var(--primary) !important;
    color: #ffffff !important;
    margin-left: 0.5rem;
    padding: 0.55rem 1.1rem !important;
}

.nav-cta:hover {
    background-color: var(--primary-dark) !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.45rem 0.65rem;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-main);
}

/* Main Layout */
main {
    flex: 1;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.section {
    padding: 4rem 0;
}

.section-alt {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 3rem auto;
}

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    line-height: 1.25;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.08rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, #ffffff 0%, #f1f6fe 100%);
    padding: 4.5rem 0 4rem;
    border-bottom: 1px solid var(--border-color);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 2.65rem;
    font-weight: 800;
    line-height: 1.18;
    margin-bottom: 1.25rem;
    color: var(--text-main);
}

.hero-title span {
    color: var(--primary);
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.98rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: #ffffff;
}

.btn-outline {
    background-color: #ffffff;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: var(--primary-light);
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-highlights span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
}

.hero-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
}

.hero-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-pill {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: var(--bg-body);
}

.event-pill:last-child {
    margin-bottom: 0;
}

.event-pill-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    margin-bottom: 0.4rem;
}

.tag-blue {
    background-color: var(--primary-light);
    color: var(--primary);
}

.tag-green {
    background-color: var(--secondary-light);
    color: var(--secondary);
}

.tag-yellow {
    background-color: var(--accent-yellow-light);
    color: #b06000;
}

/* Stats Strip */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: -2rem;
    position: relative;
    z-index: 10;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 0.35rem;
}

.stat-label {
    font-size: 0.92rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Cards & Grids */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.1rem;
}

.card h3 {
    font-size: 1.22rem;
    margin-bottom: 0.65rem;
    color: var(--text-main);
}

.card p {
    color: var(--text-muted);
    font-size: 0.96rem;
}

.check-list {
    list-style: none;
    margin-top: 1rem;
}

.check-list li {
    position: relative;
    padding-left: 1.6rem;
    margin-bottom: 0.55rem;
    color: var(--text-main);
    font-size: 0.95rem;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--secondary);
    font-weight: 800;
}

/* Team / Board Members */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.25rem;
}

.team-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.25rem;
    text-align: center;
}

.avatar-circle {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    margin: 0 auto 1rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), #34a853);
}

.team-name {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.4rem;
}

.team-company {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.gde-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
}

/* Companies Cloud */
.company-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.company-pill {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.55rem 1.2rem;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-main);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Interactive Tabs */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.65rem 1.25rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-muted);
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.tab-panel {
    display: none;
}

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

/* Page Banner (Subpages) */
.page-header {
    background: linear-gradient(180deg, #ffffff 0%, #f1f6fe 100%);
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.page-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
}

.page-header p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 1.08rem;
}

/* Legal & Official Box */
.legal-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.legal-item strong {
    display: block;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.legal-item span,
.legal-item a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Contact Form */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Footer */
.site-footer {
    background-color: #202124;
    color: #bdc1c6;
    padding: 3.5rem 0 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.footer-title {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.55rem;
    font-size: 0.92rem;
}

.footer-links a {
    color: #bdc1c6;
}

.footer-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid #3c4043;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-grid,
    .grid-2,
    .grid-3,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.1rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-card);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        width: 100%;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .stats-grid,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}