body {
    margin: 0;
    font-family: Arial, sans-serif;
    background:
        linear-gradient(180deg, #edf4ec 0%, #f7f5f1 25%, #f4f4f4 100%);
    color: #1d1d1d;
}

* {
    box-sizing: border-box;
}

header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(19, 52, 39, 0.96);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(17, 36, 28, 0.15);
    z-index: 10;
    transition: transform 0.3s ease;
}

header.is-hidden {
    transform: translateY(-100%);
}

header h1 {
    margin: 0;
    padding: 1rem 2rem 0.5rem;
    color: #ffffff;
    font-size: clamp(1.8rem, 2.5vw, 2.6rem);
    text-align: center;
    letter-spacing: 0.08em;
}

header h1 a {
    color: inherit;
    text-decoration: none;
}

nav {
    background-color: rgba(12, 28, 22, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 0;
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
}

nav li {
    margin: 0;
}

nav a {
    display: inline-block;
    padding: 0.75rem 1.2rem;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

nav a:hover,
nav a.active {
    background: linear-gradient(135deg, #a4d65d, #7ecf57);
    color: #18342a;
    transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
    header {
        transition: none;
    }
}

main {
    max-width: 1200px;
    margin: 2rem auto 4rem;
    padding: 0 1.5rem;
}

.hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(27, 55, 41, 0.08);
    border-radius: 28px;
    padding: clamp(1.25rem, 3vw, 2.5rem);
    box-shadow: 0 20px 50px rgba(25, 53, 39, 0.08);
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: #3d7d47;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.76rem;
}

.hero-copy h2,
.section-heading h2,
.cta-panel h2 {
    margin: 0;
    font-size: clamp(2.1rem, 5vw, 4rem);
    line-height: 1.08;
    letter-spacing: -0.05em;
    color: #18352b;
}

.hero-copy > p:not(.eyebrow) {
    margin: 1rem 0 0;
    max-width: 600px;
    font-size: 1.08rem;
    line-height: 1.7;
    color: #3d463f;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.8rem 1.5rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, #1d3c2f, #2c5a4a);
    color: #fff;
    box-shadow: 0 12px 24px rgba(29, 60, 47, 0.2);
}

.btn-secondary {
    background: rgba(126, 207, 87, 0.14);
    color: #18342a;
    border: 1px solid rgba(29, 60, 47, 0.12);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
}

.hero-meta div {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 120px;
}

.hero-meta strong {
    font-size: 1.8rem;
    color: #1d3c2f;
}

.hero-meta span {
    color: #46514d;
    font-size: 0.9rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 420px;
}

.visual-card {
    position: relative;
    width: min(100%, 430px);
    background: linear-gradient(180deg, #dfeecf, #f8f4e9);
    border-radius: 28px;
    padding: 1rem;
    box-shadow: 0 18px 40px rgba(17, 36, 28, 0.14);
}

.main-card img {
    display: block;
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: 22px;
}

.visual-badge {
    position: absolute;
    right: -0.5rem;
    bottom: 1rem;
    background: #18342a;
    color: #fff;
    padding: 1rem 1.25rem;
    border-radius: 18px;
    box-shadow: 0 16px 30px rgba(17, 36, 28, 0.18);
}

.visual-badge span {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.75;
}

.visual-badge strong {
    font-size: 1.2rem;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.benefit-card {
    background: #fff;
    border: 1px solid rgba(27, 55, 41, 0.08);
    border-radius: 22px;
    padding: 1.5rem;
    box-shadow: 0 12px 30px rgba(28, 42, 26, 0.05);
}

.benefit-icon {
    display: inline-flex;
    width: 3rem;
    height: 3rem;
    border-radius: 14px;
    background: #edf7de;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.benefit-card h3 {
    margin: 0 0 0.6rem;
    color: #18352b;
    font-size: 1.25rem;
}

.benefit-card p {
    margin: 0;
    line-height: 1.7;
    color: #46514d;
}

.projects-preview {
    margin-top: 4rem;
}

.section-heading {
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-heading .eyebrow {
    margin-bottom: 0.5rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: #ffffff;
    border: 1px solid rgba(27, 55, 41, 0.08);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 14px 28px rgba(16, 30, 26, 0.08);
}

.project-card img {
    display: block;
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.project-card-content {
    padding: 1.25rem 1.2rem 1.5rem;
}

.project-card h3 {
    margin: 0 0 0.6rem;
    color: #1d3c2f;
    font-size: 1.35rem;
}

.project-card p {
    margin: 0;
    line-height: 1.7;
    color: #46514d;
}

.cta-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 4rem;
    background: linear-gradient(135deg, #173a2d, #275a49);
    border-radius: 24px;
    padding: 2rem 2.25rem;
    box-shadow: 0 18px 32px rgba(22, 46, 36, 0.15);
}

.cta-panel .eyebrow {
    color: #bfe59f;
}

.cta-panel h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: #fff;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .benefits,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .cta-panel {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 600px) {
    main {
        padding: 0 1rem;
    }

    .hero {
        padding: 1rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: 1rem;
    }

    .visual-badge {
        right: 0.75rem;
        bottom: 0.75rem;
    }
}