:root {
    --green-950: #123d17;
    --green-900: #1b5e20;
    --green-700: #256428;
    --green-600: #2e7d32;
    --green-400: #66bb6a;
    --green-100: #e8f5e9;
    --cream: #f8faf8;
    --ink: #1f2937;
    --muted: #6b7280;
    --white: #ffffff;
    --border: #e5e7eb;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(31, 41, 55, 0.08);
    --shadow-lg: 0 24px 60px rgba(31, 41, 55, 0.14);
    --font-heading: "Poppins", "Segoe UI", sans-serif;
    --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--cream);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-heading); }

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

img { max-width: 100%; display: block; }

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--green-700);
    color: var(--white);
    padding: 12px 20px;
    z-index: 1000;
    border-radius: 0 0 8px 0;
}

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

/* Header / Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(248, 250, 248, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.scrolled {
    box-shadow: 0 6px 24px rgba(31, 41, 55, 0.08);
}

.navbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    gap: 9px;
}

.leaf-icon {
    width: 24px;
    height: 24px;
}

.logo-word {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.1em;
    font-size: 1.2rem;
    color: var(--ink);
}

.logo-accent { color: var(--green-600); }

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    font-weight: 500;
    grid-column: 2;
}

.nav-links a {
    color: var(--ink);
    position: relative;
    transition: color 0.2s ease;
}

.nav-links a:not(.btn-nav)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--green-600);
    transition: width 0.2s ease;
}

.nav-links a:not(.btn-nav):hover::after { width: 100%; }

.nav-links a:hover { color: var(--green-600); }

.nav-links a.active { color: var(--green-600); }
.nav-links a.active::after { width: 100%; }

.nav-contact-mobile { display: none; }

/* Dropdown */
.has-dropdown { position: relative; }

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    font: inherit;
    font-weight: 500;
    color: var(--ink);
    cursor: pointer;
    padding: 0;
}

.dropdown-toggle:hover { color: var(--green-600); }

.chevron {
    font-size: 0.65em;
    transition: transform 0.2s ease;
}

.has-dropdown.open .chevron,
.has-dropdown:hover .chevron { transform: rotate(180deg); }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 18px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    padding: 10px;
    min-width: 210px;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: 200;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu { display: flex; }

.dropdown-menu a {
    padding: 10px 14px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.15s ease, color 0.15s ease;
}

.dropdown-menu a:hover {
    background: var(--green-100);
    color: var(--green-700);
}

.nav-right {
    grid-column: 3;
    display: flex;
    align-items: center;
    gap: 16px;
    justify-self: end;
}

.btn-nav {
    background: var(--green-600);
    color: var(--white) !important;
    padding: 9px 20px;
    border-radius: 999px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-nav:hover { background: var(--green-700); transform: translateY(-1px); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--green-900);
}

/* Hero */
.hero {
    position: relative;
    background: radial-gradient(circle at 15% 20%, var(--green-100), var(--cream) 60%);
    padding: 100px 0;
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.3;
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

.blob-1 {
    width: 320px;
    height: 320px;
    background: var(--green-400);
    top: -80px;
    left: -100px;
}

.blob-2 {
    width: 260px;
    height: 260px;
    background: var(--green-600);
    bottom: -100px;
    right: -80px;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-24px); }
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
}

.hero-content { max-width: 560px; }

.eyebrow {
    color: var(--green-600);
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 18px;
    font-size: 0.95rem;
}

.hero h1 {
    font-weight: 700;
    font-size: clamp(2rem, 3.6vw, 3.1rem);
    color: var(--green-900);
    line-height: 1.15;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(120deg, var(--green-600), var(--green-400));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 34px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-chips {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-chips span {
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 0.85rem;
    color: var(--green-700);
    font-weight: 500;
}

.hero-media {
    position: relative;
    z-index: 1;
}

.hero-media img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 24px 40px rgba(31, 41, 55, 0.18));
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--green-600);
    color: var(--white);
    box-shadow: 0 10px 24px rgba(46, 125, 50, 0.28);
}

.btn-primary:hover {
    background: var(--green-700);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(46, 125, 50, 0.34);
}

.btn-outline {
    border: 2px solid var(--green-600);
    color: var(--green-700);
}

.btn-outline:hover {
    background: var(--green-100);
    transform: translateY(-2px);
}

/* Section shared */
.section { padding: 96px 0; }

.section-heading {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 50px;
}

.tag {
    display: inline-block;
    color: var(--green-600);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.section-heading h2 {
    font-weight: 700;
    font-size: 2.2rem;
    color: var(--green-900);
}

.section-sub {
    color: var(--muted);
    margin-top: 12px;
}

.section-heading.light .tag { color: var(--green-400); }
.section-heading.light h2 { color: var(--white); }

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* About */
.about-split {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
}

.about-media {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.about-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.about-card h3 {
    color: var(--green-700);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.about-card p { color: var(--muted); }

.facts-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: linear-gradient(135deg, var(--green-900), var(--green-950));
    border-radius: var(--radius);
    padding: 40px 20px;
}

.fact {
    text-align: center;
    color: var(--white);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.fact strong { font-size: 1.8rem; font-family: var(--font-heading); }
.fact span { color: var(--green-400); font-size: 0.9rem; }

/* Verticals */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 26px;
}

.vertical-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid transparent;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.vertical-card:hover {
    transform: translateY(-8px);
    border-color: var(--green-400);
    box-shadow: var(--shadow-lg);
}

.card-cover {
    aspect-ratio: 5 / 3;
    overflow: hidden;
}

.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.vertical-card:hover .card-cover img { transform: scale(1.06); }

.vertical-card-body {
    padding: 26px 24px 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.icon-badge {
    font-size: 1.4rem;
    margin-bottom: 14px;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-100);
    border-radius: 50%;
    margin-top: -50px;
    border: 4px solid var(--white);
}

.vertical-card h3 {
    color: var(--green-900);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.vertical-card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 18px;
    flex-grow: 1;
}

.card-link {
    color: var(--green-600);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.card-link:hover { color: var(--green-700); text-decoration: underline; }

.card-link-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.feature-card {
    background: var(--white);
    padding: 32px 26px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid transparent;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--green-400);
    box-shadow: var(--shadow-lg);
}

.feature-card .icon-badge { margin-top: 0; }

.feature-card h3 {
    color: var(--green-900);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--muted);
    font-size: 0.95rem;
}

/* Leadership */
.leader-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 48px;
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 44px;
    align-items: start;
}

.leader-avatar-wrap {
    position: relative;
    width: 150px;
    height: 150px;
}

.leader-avatar-ring {
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: conic-gradient(from 180deg, var(--green-400), var(--green-600), var(--green-900), var(--green-400));
    opacity: 0.25;
}

.leader-avatar {
    position: relative;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-600), var(--green-900));
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-lg);
}

.leader-body h3 {
    font-size: 1.45rem;
    color: var(--green-900);
    margin-bottom: 4px;
}

.leader-title {
    color: var(--green-600);
    font-weight: 600;
    margin-bottom: 18px;
}

.leader-body p {
    color: var(--muted);
    margin-bottom: 16px;
}

.leader-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.leader-tags span {
    background: var(--green-100);
    color: var(--green-700);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
}

/* Achievements (dark section) */
.achievements {
    background: linear-gradient(160deg, var(--green-900), var(--green-950));
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.achievement-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 32px;
    color: var(--white);
    transition: transform 0.25s ease, background 0.25s ease;
}

.achievement-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.1);
}

.badge { font-size: 1.8rem; margin-bottom: 14px; }

.achievement-card h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.achievement-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
}

/* Impact / Future lists */
.impact-list, .future-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.impact-list li, .future-list li {
    background: var(--white);
    border-left: 4px solid var(--green-600);
    border-radius: 10px;
    padding: 18px 22px;
    box-shadow: var(--shadow);
    color: var(--ink);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.impact-list li:hover, .future-list li:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-lg);
}

/* Contact */
.contact {
    background: var(--green-100);
    text-align: center;
}

.contact-inner { max-width: 600px; margin: 0 auto; }

.contact h2 {
    color: var(--green-900);
    font-size: 2rem;
    margin-bottom: 14px;
}

.contact p {
    color: var(--muted);
    margin-bottom: 26px;
}

.contact-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.contact address {
    font-style: normal;
    color: var(--muted);
    font-size: 0.9rem;
}

/* Footer */
.site-footer {
    background: var(--green-900);
    color: var(--white);
    padding: 28px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
}

.footer-tag { color: var(--green-400); }

/* Responsive */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content { max-width: 100%; margin: 0 auto; }
    .hero-cta, .hero-chips { justify-content: center; }
    .hero-media { max-width: 420px; margin: 0 auto; }

    .about-split { grid-template-columns: 1fr; }
    .about-media { max-width: 420px; margin: 0 auto; }
}

@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr 1fr; }
    .achievement-grid {
        grid-template-columns: 1fr 1fr;
    }
    .facts-strip { grid-template-columns: repeat(2, 1fr); }

    .leader-card {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
    }

    .leader-tags { justify-content: center; }
}

@media (max-width: 640px) {
    .navbar { grid-template-columns: auto auto; }
    .nav-toggle { display: flex; }
    .desktop-cta { display: none; }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--cream);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 24px;
        gap: 18px;
        display: none;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open { display: flex; }
    .nav-contact-mobile { display: block; }

    .has-dropdown { width: 100%; }

    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 4px 0;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        background: rgba(31, 41, 55, 0.04);
        display: none;
        margin-top: 6px;
        width: 100%;
    }

    .has-dropdown:hover .dropdown-menu { display: none; }
    .has-dropdown.open .dropdown-menu { display: flex; }

    .about-grid,
    .achievement-grid,
    .facts-strip {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .leader-card { padding: 28px; }
}

/* Chatbot */
.chatbot {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 300;
}

.chatbot-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-600), var(--green-900));
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: transform 0.2s ease;
}

.chatbot-toggle:hover { transform: scale(1.07); }

.chatbot-panel {
    position: absolute;
    bottom: 76px;
    right: 0;
    width: 350px;
    max-width: calc(100vw - 48px);
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
}

.chatbot-panel[hidden] { display: none; }

.chatbot-header {
    background: linear-gradient(135deg, var(--green-700), var(--green-900));
    color: var(--white);
    padding: 16px 18px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.chatbot-header strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
}

.chatbot-header span {
    font-size: 0.78rem;
    color: var(--green-400);
}

.chatbot-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}

.chatbot-messages {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 320px;
    overflow-y: auto;
    background: var(--cream);
}

.chatbot-msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.88rem;
    line-height: 1.5;
}

.chatbot-msg.bot {
    background: var(--white);
    color: var(--ink);
    align-self: flex-start;
    box-shadow: var(--shadow);
    border-bottom-left-radius: 4px;
}

.chatbot-msg.user {
    background: var(--green-600);
    color: var(--white);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chatbot-msg a { color: inherit; text-decoration: underline; }

.chatbot-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    background: var(--white);
}

.chatbot-quick-replies button {
    background: var(--green-100);
    color: var(--green-700);
    border: none;
    padding: 8px 13px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.chatbot-quick-replies button:hover {
    background: var(--green-600);
    color: var(--white);
}

@media (max-width: 480px) {
    .chatbot { right: 16px; bottom: 16px; }
    .chatbot-panel { bottom: 72px; }
}