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

body {
    min-height: 100vh;
    font-family: "Poppins", "Segoe UI", Arial, sans-serif;
    color: white;
    background: #031f13;
    overflow-x: hidden;
}

/* =========================
   TOP NAVIGATION
   ========================= */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 18px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(3, 31, 19, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-logo {
    font-size: 22px;
    font-weight: 800;
    color: white;
    text-decoration: none;
}

.landing-logo span {
    color: #8affb5;
}

.landing-links {
    display: flex;
    gap: 25px;
    align-items: center;
    list-style: none;
}

.landing-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.landing-links a:hover {
    color: #8affb5;
}

.btn-nav-action {
    background: #25d979;
    color: #031f13 !important;
    padding: 8px 22px;
    border-radius: 20px;
    font-weight: 700 !important;
    transition: all 0.3s;
}

.btn-nav-action:hover {
    background: white;
    transform: translateY(-2px);
}

/* =========================
   BACKGROUND DECORATIONS
   ========================= */
.background {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.22;
}

.circle-one {
    width: 500px;
    height: 500px;
    background: #58ff9a;
    top: -180px;
    left: -150px;
}

.circle-two {
    width: 400px;
    height: 400px;
    background: #25d979;
    bottom: -150px;
    right: -100px;
}

.circle-three {
    width: 250px;
    height: 250px;
    background: #b4ffd0;
    top: 40%;
    right: 5%;
    opacity: 0.12;
}

/* =========================
   HERO SECTION
   ========================= */
.hero {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 100px 25px 60px;
    background: linear-gradient(135deg, #031f13 0%, #07552e 40%, #0b7a43 80%, #04351f 100%);
}

.hero-content {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.leaf-icon {
    font-size: 48px;
    margin-bottom: 12px;
    animation: float 3s ease-in-out infinite;
}

.welcome {
    font-size: 14px;
    letter-spacing: 6px;
    font-weight: 700;
    color: #b9ffd0;
    margin-bottom: 14px;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(48px, 8vw, 95px);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.05;
    text-shadow: 0 10px 40px rgba(0,0,0,0.35);
}

h1 span {
    color: #83ffb1;
}

.line {
    width: 90px;
    height: 4px;
    background: #83ffb1;
    border-radius: 20px;
    margin: 25px 0;
}

h2 {
    font-size: clamp(22px, 3.5vw, 36px);
    line-height: 1.3;
    font-weight: 600;
    margin-bottom: 20px;
    color: #f0fdf4;
}

.description {
    max-width: 680px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    margin-bottom: 35px;
}

/* HERO BUTTONS */
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.get-started {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 16px 36px;
    border-radius: 50px;
    background: #8affb5;
    color: #04351f;
    text-decoration: none;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 1.5px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: all 0.35s ease;
}

.get-started:hover {
    transform: translateY(-5px) scale(1.03);
    background: white;
    box-shadow: 0 15px 40px rgba(138,255,181,0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 30px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.12);
    color: white;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-3px);
}

.arrow {
    font-size: 22px;
    transition: transform 0.3s ease;
}

.get-started:hover .arrow {
    transform: translateX(6px);
}

.bottom-text {
    margin-top: 25px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
}

/* =========================
   PAGE SECTIONS
   ========================= */
.landing-section {
    position: relative;
    z-index: 2;
    padding: 90px 8%;
    background: #f4faf6;
    color: #1f2937;
}

.landing-section.dark {
    background: #042517;
    color: white;
}

.section-header-center {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 50px;
}

.section-header-center h2 {
    font-size: clamp(28px, 4vw, 40px);
    color: #14532d;
    margin-bottom: 12px;
    font-weight: 800;
}

.landing-section.dark .section-header-center h2 {
    color: #86efac;
}

.section-header-center p {
    color: #4b5563;
    font-size: 16px;
    line-height: 1.6;
}

.landing-section.dark .section-header-center p {
    color: #dcfce7;
}

/* FEATURES GRID */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.feature-box {
    background: white;
    padding: 35px 28px;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
}

.feature-box:hover {
    transform: translateY(-6px);
    border-color: #86efac;
    box-shadow: 0 15px 35px rgba(22,163,74,0.1);
}

.feature-icon {
    font-size: 38px;
    width: 68px;
    height: 68px;
    background: #dcfce7;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 20px;
    color: #14532d;
    margin-bottom: 10px;
}

.feature-box p {
    color: #4b5563;
    font-size: 14px;
    line-height: 1.6;
}

/* IMPACT COUNTERS */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.impact-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 35px 25px;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(5px);
}

.impact-card span {
    font-size: 44px;
    display: block;
    margin-bottom: 12px;
}

.impact-card h3 {
    font-size: 38px;
    color: #8affb5;
    font-weight: 800;
    margin-bottom: 6px;
}

.impact-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
}

/* CALL TO ACTION */
.cta-box {
    background: linear-gradient(135deg, #16a34a, #15803d);
    border-radius: 24px;
    padding: 60px 35px;
    text-align: center;
    color: white;
    box-shadow: 0 15px 40px rgba(22,163,74,0.3);
}

.cta-box h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-box p {
    font-size: 17px;
    color: #dcfce7;
    max-width: 600px;
    margin: 0 auto 30px;
}

.btn-cta {
    background: white;
    color: #14532d;
    padding: 16px 40px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 800;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.04);
    background: #f0fdf4;
}

/* FOOTER */
.landing-footer {
    position: relative;
    z-index: 2;
    background: #02160d;
    color: #9ca3af;
    text-align: center;
    padding: 40px 20px;
    font-size: 14px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.landing-footer a {
    color: #8affb5;
    text-decoration: none;
}

/* ANIMATIONS */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .landing-links {
        display: none;
    }
    .hero {
        padding-top: 120px;
    }
}