:root {
    --green-dark: #155432;
    --green: #1c7c4e;
    --green-light: #7ddf79;
    --bg-light: #f4f8f4;
    --bg-hero: #e8f4eb;
    --text-main: #243024;
    --text-muted: #6a746a;
    --white: #ffffff;
    --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.06);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease-in-out;
    --container-width: 1120px;
    --gutter: 24px;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: #d7ead9;
}

body {
    line-height: 1.5;
}

/* Layout */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.flex {
    display: flex;
}

.between {
    justify-content: space-between;
}

.center-v {
    align-items: center;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--white);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.site-header .container {
    padding-top: 14px;
    padding-bottom: 14px;
}

.logo svg {
    display: block;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    position: relative;
    padding: 6px 0;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--green);
    transition: width var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.header-right {
    gap: 18px;
}

/* Language switch */

.lang-switch {
    display: inline-flex;
    border-radius: 999px;
    background-color: #eef6f0;
    padding: 3px;
}

.lang-btn {
    border: none;
    background: transparent;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-muted);
    transition: background-color var(--transition), color var(--transition);
}

.lang-btn.active {
    background-color: var(--green);
    color: #fff;
}

/* Mobile nav toggle */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid #d0dfd5;
    background-color: #f7fbf8;
    cursor: pointer;
}

.nav-toggle span {
    height: 2px;
    width: 18px;
    background-color: var(--green-dark);
    display: block;
}

/* Hero */

.hero {
    background: linear-gradient(135deg, #e1f2e6 0%, #f6fbf8 50%, #fefefe 100%);
    padding: 64px 0 56px;
}

.hero-text h1 {
    font-size: 2.4rem;
    line-height: 1.15;
    margin: 0 0 12px;
    color: var(--green-dark);
}

.hero-subtitle {
    margin: 0 0 24px;
    color: var(--text-muted);
    max-width: 420px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.hero-list {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.hero-list li::before {
    content: "•";
    color: var(--green);
    margin-right: 6px;
}

/* Hero mock illustration */

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    width: 100%;
    max-width: 420px;
    height: 260px;
    border-radius: var(--radius-lg);
    background: linear-gradient(150deg, #cde7d5, #b8dfc4);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.hero-roof {
    position: absolute;
    left: 8%;
    top: 26%;
    width: 84%;
    height: 40%;
    background: #e9f3ea;
    transform: skewX(-12deg);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}

.hero-panel {
    position: absolute;
    left: 14%;
    top: 30%;
    width: 60%;
    height: 28%;
    background: linear-gradient(135deg, #205f3d, #3a8961);
    border-radius: 8px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.hero-panel::before,
.hero-panel::after {
    content: "";
    position: absolute;
    inset: 6px;
    border-radius: 4px;
    background-image: linear-gradient(#ffffff26 1px, transparent 1px),
                      linear-gradient(90deg, #ffffff26 1px, transparent 1px);
    background-size: 18px 18px;
}

.hero-lawn {
    position: absolute;
    left: -10%;
    bottom: -12%;
    width: 120%;
    height: 40%;
    background: radial-gradient(circle at top, #8fd785, #5caa6d);
}

/* Sections */

.section {
    background-color: #fdfdfd;
    padding: 64px 0;
}

.section-alt {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 32px;
}

.section-header h2 {
    margin-bottom: 6px;
    color: var(--green-dark);
}

.section-header p {
    margin: 0;
    color: var(--text-muted);
}

/* Buttons */

.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.btn-primary {
    background-color: var(--green);
    color: #fff;
    box-shadow: 0 10px 24px rgba(21, 84, 50, 0.3);
}

.btn-primary:hover {
    background-color: #146946;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #ecf5ef;
    color: var(--green-dark);
}

.btn-secondary:hover {
    background-color: #dceade;
}

.btn-outline {
    background-color: #fff;
    border: 1px solid #cfe1d4;
    color: var(--green-dark);
}

.btn-outline:hover {
    border-color: var(--green);
}

/* Knowledge card */

.knowledge-card {
    background-color: #f8fbf8;
    padding: 32px 0 40px;
    border-top: 1px solid #ddeade;
}

.k-item {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 18px 18px 16px;
    box-shadow: 0 9px 22px rgba(0, 0, 0, 0.04);
}

.k-item h3 {
    margin-top: 0;
    margin-bottom: 6px;
    color: var(--green-dark);
    font-size: 1.02rem;
}

.k-item p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.93rem;
}

/* About */

.about-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 22px 22px 18px;
    box-shadow: var(--shadow-soft);
}

.about-card h3 {
    margin-top: 0;
    margin-bottom: 14px;
    color: var(--green-dark);
}

.about-stats {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-stats li {
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--green);
}

.stat-label {
    font-size: 0.93rem;
    color: var(--text-muted);
}

.checklist {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
}

.checklist li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffffff, #65c26a);
}

/* Tabs */

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tab-btn {
    border-radius: 999px;
    border: 1px solid transparent;
    background-color: #e2f0e7;
    padding: 6px 18px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--green-dark);
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.tab-btn.active {
    background-color: var(--green);
    border-color: var(--green);
    color: #fff;
}

/* Products grid */

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.product-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 18px 18px 16px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-card h3 {
    margin: 0;
    color: var(--green-dark);
}

.product-tag {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--green);
}

.product-desc {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.93rem;
}

.product-price {
    margin: 0;
    font-weight: 700;
    color: var(--green-dark);
}

/* Tabs content */

.tab-content {
    display: none;
}

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

/* Contact */

.contact-info p {
    margin: 2px 0;
    color: var(--text-main);
}

.contact-info a {
    color: var(--green);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.map-card {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius-md);
    background-color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.map-card h3 {
    margin-top: 0;
    margin-bottom: 6px;
    color: var(--green-dark);
}

.map-card p {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.map-embed iframe {
    width: 100%;
    height: 210px;
    border: 0;
    border-radius: 12px;
}

/* Contact form */

.contact-form {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 22px 22px 18px;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.93rem;
    color: var(--text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #ccd9cf;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    background-color: #f8fbf9;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 1px #a7d9b5;
    background-color: #ffffff;
}

.form-note {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-status {
    margin-top: 10px;
    font-size: 0.88rem;
}

.form-status.success {
    color: #1d7a41;
}

.form-status.error {
    color: #c0392b;
}

/* Footer */

.site-footer {
    background-color: #153723;
    color: #e4f4e8;
    padding: 18px 0 14px;
}

.footer-top p {
    margin: 2px 0;
}

.footer-top a {
    color: #c0f3d4;
    text-decoration: none;
}

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

.footer-social {
    display: flex;
    gap: 8px;
}

.footer-social a {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid #3d604a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: #e4f4e8;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid #2b4d38;
    margin-top: 12px;
    padding-top: 8px;
    font-size: 0.83rem;
}

.footer-bottom a {
    color: #c0f3d4;
    text-decoration: none;
}

/* Responsive */

@media (max-width: 960px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .site-header .container {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .main-nav {
        position: absolute;
        left: 0;
        right: 0;
        top: 60px;
        background-color: #ffffff;
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition), opacity var(--transition);
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 10px 18px 12px;
        gap: 8px;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding-top: 44px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.9rem;
    }

    .hero-card {
        height: 220px;
    }
}