*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #1a2b22; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

:root {
    --green: #006B3F; --green-light: #4CA66F; --green-pale: #E8F5EE; --green-dark: #004A2C;
    --bg-alt: #F6FAF7; --text: #1a2b22; --text-muted: #5a6b62; --border: #E0E8E4;
    --white: #ffffff; --radius: 16px; --shadow: 0 2px 12px rgba(0,60,35,0.08);
    --shadow-lg: 0 8px 40px rgba(0,60,35,0.15); --max-w: 1200px;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.topbar { background: var(--green-dark); color: #c8e6d5; font-size: 13px; padding: 8px 0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar-links a { margin-left: 20px; opacity: 0.85; transition: opacity .2s; }
.topbar-links a:hover { opacity: 1; }

.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); transition: box-shadow .3s; }
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; color: var(--green); }
.nav { display: flex; gap: 36px; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--text); position: relative; padding: 4px 0; transition: color .2s; }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--green); transition: width .3s; }
.nav-link:hover { color: var(--green); }
.nav-link:hover::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--green); border-radius: 2px; transition: .3s; }

.hero { position: relative; min-height: 620px; display: flex; align-items: center; justify-content: flex-start; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #004A2C 0%, #006B3F 45%, #2D8A57 100%); }
.hero-bg::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%), radial-gradient(circle at 20% 80%, rgba(76,166,111,0.3) 0%, transparent 50%); }
.hero-bg::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 15% 25%, rgba(255,255,255,0.06) 2px, transparent 2px), radial-gradient(circle at 70% 60%, rgba(255,255,255,0.05) 2px, transparent 2px), radial-gradient(circle at 40% 85%, rgba(255,255,255,0.04) 2px, transparent 2px); background-size: 80px 80px, 120px 120px, 100px 100px; }
.hero-content { position: relative; z-index: 2; color: #fff; padding: 60px 0; max-width: 640px; }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25); padding: 6px 18px; border-radius: 50px; font-size: 13px; font-weight: 500; margin-bottom: 24px; backdrop-filter: blur(6px); }
.hero-title { font-size: 52px; font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px; }
.hero-subtitle { font-size: 18px; line-height: 1.6; opacity: 0.9; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2; color: rgba(255,255,255,0.7); display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; border-radius: 50px; font-size: 15px; font-weight: 600; transition: all .25s; cursor: pointer; white-space: nowrap; }
.btn-primary { background: var(--white); color: var(--green); }
.btn-primary:hover { background: var(--green-pale); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.hero .btn-primary { background: #fff; color: var(--green); }
.hero .btn-primary:hover { background: var(--green-pale); }
.btn-outline { border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.section .btn-outline, .section-alt .btn-outline { border-color: var(--green); color: var(--green); }
.section .btn-outline:hover, .section-alt .btn-outline:hover { background: var(--green); color: #fff; }

.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-tag { display: inline-block; color: var(--green); font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-size: 36px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 12px; }
.section-desc { font-size: 16px; color: var(--text-muted); }

.filter-bar { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn { padding: 8px 22px; border-radius: 50px; font-size: 14px; font-weight: 500; color: var(--text-muted); border: 1.5px solid var(--border); transition: all .2s; }
.filter-btn:hover { border-color: var(--green); color: var(--green); }
.filter-btn.active { background: var(--green); color: #fff; border-color: var(--green); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all .3s; cursor: pointer; border: 1px solid transparent; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green-light); }
.product-img { height: 240px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #F0F8F4, #E8F5EE); position: relative; overflow: hidden; }
.product-card:hover .product-img svg { transform: scale(1.08); }
.product-img svg { transition: transform .4s ease; }
.product-badge { position: absolute; top: 14px; left: 14px; background: var(--green); color: #fff; font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 50px; }
.product-badge.new { background: #D97706; }
.product-info { padding: 20px 22px 24px; }
.product-cat { font-size: 12px; font-weight: 600; color: var(--green-light); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.product-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.product-desc { font-size: 14px; color: var(--text-muted); line-height: 1.5; margin-bottom: 14px; }
.product-meta { display: flex; align-items: center; justify-content: space-between; }
.product-tag { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.product-link { font-size: 14px; font-weight: 600; color: var(--green); display: flex; align-items: center; gap: 6px; transition: gap .2s; }
.product-card:hover .product-link { gap: 10px; }

.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature-card { background: #fff; padding: 36px 28px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { width: 72px; height: 72px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; background: var(--green-pale); border-radius: 18px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { margin-bottom: 16px; color: var(--text-muted); font-size: 16px; }
.about-stats { display: flex; gap: 40px; margin-top: 32px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 32px; font-weight: 800; color: var(--green); }
.stat-label { font-size: 13px; color: var(--text-muted); }
.about-visual { display: flex; justify-content: center; }
.about-img-placeholder { width: 360px; height: 360px; border-radius: 50%; background: linear-gradient(135deg, #E8F5EE, #D4EDDC); display: flex; align-items: center; justify-content: center; }

.cta-box { text-align: center; background: linear-gradient(135deg, var(--green-dark), var(--green)); color: #fff; padding: 64px 40px; border-radius: 24px; }
.cta-box .section-title { color: #fff; }
.cta-box .section-desc { color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-box .btn-primary { background: #fff; color: var(--green); }
.cta-box .btn-outline { border-color: rgba(255,255,255,0.4); color: #fff; }
.cta-box .btn-outline:hover { background: rgba(255,255,255,0.1); }

.footer { background: #0A2A1A; color: #a8c4b8; padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.logo-light { color: #7FC99E; }
.footer-desc { margin-top: 16px; font-size: 14px; line-height: 1.6; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 14px; margin-bottom: 10px; color: #a8c4b8; transition: color .2s; }
.footer-col a:hover { color: #7FC99E; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; font-size: 13px; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,20,10,0.6); backdrop-filter: blur(4px); z-index: 200; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .3s; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal { background: #fff; border-radius: 20px; max-width: 600px; width: 90%; max-height: 85vh; overflow-y: auto; position: relative; transform: scale(0.95); transition: transform .3s; }
.modal-overlay.active .modal { transform: scale(1); }
.modal-close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; background: #f0f0f0; font-size: 22px; color: #555; display: flex; align-items: center; justify-content: center; transition: .2s; z-index: 3; }
.modal-close:hover { background: #e0e0e0; }
.modal-content { padding: 0; }
.modal-img { height: 280px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #F0F8F4, #E8F5EE); border-radius: 20px 20px 0 0; }
.modal-body { padding: 32px; }
.modal-body .product-cat { margin-bottom: 8px; }
.modal-body h2 { font-size: 26px; margin-bottom: 14px; }
.modal-body .modal-desc { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }
.modal-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.modal-spec-item { background: var(--bg-alt); padding: 14px 18px; border-radius: 12px; }
.modal-spec-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.modal-spec-value { font-size: 15px; font-weight: 600; color: var(--text); }

@media (max-width: 900px) {
    .nav { display: none; }
    .nav.open { display: flex; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: #fff; padding: 20px; gap: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
    .nav-toggle { display: flex; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 16px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .about-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
    .section-title { font-size: 28px; }
}
@media (max-width: 600px) {
    .topbar-links { display: none; }
    .product-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-bottom .container { flex-direction: column; text-align: center; }
    .hero-title { font-size: 30px; }
    .about-stats { flex-wrap: wrap; gap: 24px; }
    .about-img-placeholder { width: 280px; height: 280px; }
    .modal-specs { grid-template-columns: 1fr; }
}