:root {
    --green: #6bb600;
    --green-dark: #549b00;
    --ink: #1c2733;
    --slate: #4a5568;
    --muted: #718096;
    --bg: #f7f9fb;
    --card: #ffffff;
    --border: #e2e8f0;
    --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(16, 24, 40, 0.05);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.brand img {
    height: 46px;
    width: auto;
    display: block;
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.site-nav a {
    color: var(--slate);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 8px;
    text-transform: lowercase;
}
.site-nav a:hover { background: #eef4ea; color: var(--ink); text-decoration: none; }
.site-nav a.active { color: var(--green-dark); background: #eef7e6; }
.site-nav a.nav-cta {
    background: var(--green);
    color: #fff;
    margin-left: 8px;
}
.site-nav a.nav-cta:hover { background: var(--green-dark); color: #fff; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(120deg, #16202b 0%, #243447 55%, #2e4a33 100%);
    color: #fff;
    padding: 88px 0 96px;
}
.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    line-height: 1.15;
    margin: 0 0 20px;
    font-weight: 800;
}
.hero h1 .accent { color: var(--green); }
.hero p { font-size: 1.1rem; color: #c9d4df; max-width: 56ch; margin: 0 0 28px; }
.hero .hero-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    text-align: center;
}
.hero .hero-image img {
    width: auto;
    max-width: 100%;
    height: auto;
    display: inline-block;
}

.btn {
    display: inline-block;
    background: var(--green);
    color: #fff;
    font-weight: 700;
    padding: 12px 26px;
    border-radius: 10px;
    border: 0;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.15s ease;
}
.btn:hover { background: var(--green-dark); color: #fff; text-decoration: none; }
.btn.btn-ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    margin-left: 12px;
}
.btn.btn-ghost:hover { border-color: #fff; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section.alt { background: #fff; }
.section h2 {
    font-size: 2rem;
    margin: 0 0 12px;
    font-weight: 800;
}
.section .lead { color: var(--slate); max-width: 70ch; }
.section-head { max-width: 720px; margin-bottom: 40px; }

/* ---------- Cards ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: 0 12px 30px rgba(16, 24, 40, 0.08); transform: translateY(-2px); }
.card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--slate); font-size: 0.95rem; }
.card .card-link { display: inline-block; margin-top: 14px; font-weight: 600; font-size: 0.9rem; }
.card .icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    background: #eef7e6;
    color: var(--green-dark);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

/* ---------- Two-column / image sections ---------- */
.media-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.media-section .media {
    text-align: center;
}
.media-section img {
    width: auto;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 14px 40px rgba(16, 24, 40, 0.12);
}
.media-section h2 { font-size: 1.9rem; }
.media-section p { color: var(--slate); }
.media-section .reverse .media { order: 2; }

/* ---------- Lists ---------- */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
}
.tag-list li a {
    display: inline-block;
    background: #eef4ea;
    color: #33531a;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid #d6e8c4;
}
.tag-list li a:hover { background: var(--green); color: #fff; text-decoration: none; }

.service-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.service-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    color: var(--ink);
    font-weight: 600;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.service-list li a::before {
    content: "";
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
}
.service-list li a:hover {
    border-color: var(--green);
    box-shadow: 0 8px 22px rgba(107, 182, 0, 0.12);
    text-decoration: none;
}

/* ---------- Page hero (subpages) ---------- */
.page-hero {
    background: linear-gradient(120deg, #16202b, #243447);
    color: #fff;
    padding: 56px 0;
}
.page-hero h1 { margin: 0; font-size: 2.4rem; font-weight: 800; }
.page-hero p { margin: 10px 0 0; color: #c9d4df; max-width: 70ch; }

/* ---------- Focus subpage nav ---------- */
.focus-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.focus-nav a {
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--slate);
    font-weight: 600;
}
.focus-nav a.active, .focus-nav a:hover {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
    text-decoration: none;
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.contact-form {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.contact-form label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin: 18px 0 6px;
    color: var(--slate);
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    color: var(--ink);
    background: #fbfcfe;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: 2px solid var(--green);
    outline-offset: 1px;
    border-color: var(--green);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .btn { margin-top: 22px; width: 100%; }
.form-note { font-size: 0.85rem; color: var(--muted); margin-top: 14px; }
.form-success {
    background: #eef7e6;
    border: 1px solid #cfe6ae;
    color: #3c5a17;
    border-radius: 10px;
    padding: 14px 18px;
    font-weight: 600;
}
.contact-aside {
    text-align: center;
}
.contact-aside img {
    width: auto;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 14px 40px rgba(16, 24, 40, 0.12);
}
.contact-aside .contact-meta { margin-top: 24px; }
.contact-meta h3 { margin: 0 0 6px; }
.contact-meta p { color: var(--slate); }

/* ---------- Footer ---------- */
.site-footer {
    background: #16202b;
    color: #9fb0c0;
    padding: 40px 0 32px;
    margin-top: 40px;
}
.footer-inner { text-align: center; }
.footer-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 22px;
    margin-bottom: 16px;
}
.footer-nav a { color: #c9d4df; font-weight: 600; font-size: 0.95rem; }
.footer-nav a:hover { color: var(--green); }
.copyright { font-size: 0.85rem; margin: 0; color: #7d8fa1; }

/* ---------- Utility ---------- */
.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .hero .container,
    .media-section,
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .media-section .reverse .media { order: 0; }
    .hero { padding: 56px 0 64px; }
    .section { padding: 52px 0; }

    .nav-toggle { display: flex; }
    .site-nav {
        position: absolute;
        top: 72px;
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-bottom: 1px solid var(--border);
        padding: 12px 24px 20px;
        gap: 2px;
        display: none;
    }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 12px 14px; }
    .site-nav a.nav-cta { margin: 8px 0 0; text-align: center; }
}