:root{--green-dark:#0e3b2e;--green:#115240;--green-light:#f3f7f4;--lime:#c6e216;--lime-dark:#a8c400;--gray:#f6f7f6;--card:#fff;--text:#12201c;--muted:#6b7f7a;--border:#e6ebe7;--radius:18px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:'Prompt','Sarabun',system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.65}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
h1{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.15;margin:.6rem 0}
h2{font-size:clamp(1.4rem,2.8vw,2rem);line-height:1.25;margin:.4rem 0}
.center{text-align:center} .white{color:#fff} .muted{color:var(--muted)} .narrow{max-width:420px}
.kicker{color:var(--green);font-weight:700;letter-spacing:1px;font-size:.78rem;margin:0}
.btn{display:inline-block;text-decoration:none;border-radius:999px;padding:12px 22px;font-weight:600;border:1px solid transparent;cursor:pointer;text-align:center;transition:.2s}
.btn-sm{padding:9px 16px;font-size:.9rem}
.btn-lime{background:var(--lime);color:#0e3b2e;border-color:var(--lime)} .btn-lime:hover{background:var(--lime-dark);border-color:var(--lime-dark)}
.btn-dark{background:var(--green-dark);color:#fff} .btn-dark:hover{background:#0a2e23}
.btn-outline-dark{border-color:var(--green-dark);color:var(--green-dark);background:#fff} .btn-outline-dark:hover{background:var(--green-light)}
.btn-block{width:100%}

/* topbar */
.topbar{background:#fff;border-bottom:1px solid var(--border);font-size:.82rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:56px;gap:12px;flex-wrap:wrap}
.logo{font-weight:700;text-decoration:none;color:var(--green-dark);font-size:1.25rem;display:flex;align-items:center;gap:6px}
.logo-icon{color:var(--lime);font-size:1.4rem}
.top-divider{width:1px;height:24px;background:var(--border);margin:0 12px}
.top-contact{color:var(--muted)}
.topbar-right{display:flex;gap:10px}

/* nav */
.site-header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:center;height:52px;position:relative}
.nav-links{display:flex;gap:22px}
.nav-links a{text-decoration:none;color:#2a3f39;font-weight:500;padding:6px 0;border-bottom:2px solid transparent}
.nav-links a.active,.nav-links a:hover{color:var(--green);border-bottom-color:var(--lime)}
.nav-toggle{display:none;position:absolute;right:20px;background:none;border:1px solid var(--border);border-radius:10px;padding:6px 10px;font-size:1.2rem;cursor:pointer}

/* hero */
.hero{background:#fff;padding:36px 0 28px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.hero .kicker{color:#3a8a5a}
.lead{color:#4a5d58}
.hero-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.hero-img{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 20px 40px rgba(14,59,46,.15)}
.hero-img img{width:100%;height:420px;object-fit:cover;display:block}
.hero-badge{position:absolute;bottom:14px;left:14px;right:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-radius:12px;padding:10px 14px;text-align:center;font-weight:600;font-size:.85rem;color:var(--green-dark)}

/* promo */
.promo-bar{background:linear-gradient(90deg,var(--green-dark),var(--green));color:#fff;padding:14px 0}
.promo-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.promo-inner b{color:var(--lime)}

/* about */
.section{padding:56px 0}
.section-light{background:var(--gray);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center}
.about-images{position:relative}
.about-main{width:100%;height:380px;object-fit:cover;border-radius:20px;display:block}
.about-thumbs{display:flex;gap:12px;margin-top:12px}
.about-thumbs img{width:50%;height:120px;object-fit:cover;border-radius:14px}
.exp-badge{position:absolute;top:-14px;left:-14px;background:var(--green-dark);color:#fff;width:110px;height:110px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-weight:700;line-height:1.1;border:4px solid #fff;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.exp-badge small{font-weight:600;font-size:.72rem;line-height:1.1;margin-top:4px}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0;list-style:none;padding:0}
.check-grid li{display:flex;gap:10px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px}
.check-grid i{background:var(--lime);color:var(--green-dark);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:.8rem;flex-shrink:0}
.check-grid b{display:block;font-size:.92rem}
.check-grid small{color:var(--muted);font-size:.78rem}
.about-actions{display:flex;gap:12px;flex-wrap:wrap}

/* stats */
.stats-bar{background:var(--gray);padding:22px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;display:flex;align-items:center;gap:14px}
.stat-icon{width:44px;height:44px;border-radius:50%;background:var(--green-light);display:grid;place-items:center;font-size:1.2rem}
.stat-card strong{display:block;font-size:1.45rem;color:var(--green-dark);line-height:1}
.stat-card small{color:var(--muted);font-size:.85rem}

/* dark feature */
.dark-feature{background:var(--green-dark);color:#fff;padding:44px 0}
.dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.dark-grid h2{color:#fff}
.dark-grid p{color:#cde0da}
.progress{display:grid;gap:14px;margin-top:18px}
.prog span{font-size:.9rem}
.bar{height:8px;background:rgba(255,255,255,.18);border-radius:999px;overflow:hidden;margin-top:6px}
.bar div{height:100%;background:var(--lime);border-radius:999px}
.dark-img img{width:100%;height:420px;object-fit:cover;border-radius:20px}

/* pillars */
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.pillars-grid .pillar-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;position:relative;overflow:hidden}
.pillar-num{position:absolute;top:10px;right:14px;font-size:2rem;font-weight:800;color:#eef2ee}
.pillar-card h3{margin:.2rem 0}
.pillar-card p{color:var(--muted);font-size:.92rem;margin:0}

/* services */
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;flex-wrap:wrap}
.services-grid .service-card{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:0 6px 20px rgba(14,59,46,.06);display:flex;flex-direction:column}
.service-card img{width:100%;height:170px;object-fit:cover}
.svc-icon{width:44px;height:44px;background:var(--lime);color:var(--green-dark);border-radius:50%;display:grid;place-items:center;margin:-22px 0 0 16px;border:3px solid #fff;font-size:1.2rem;position:relative;z-index:1}
.service-card h3{margin:12px 16px 4px}
.service-card p{margin:0 16px 14px;color:var(--muted);font-size:.92rem;flex:1}
.service-card .btn{margin:0 16px 16px;align-self:flex-start}

/* audience */
.audience{background:linear-gradient(180deg,var(--green),var(--green-dark));padding:44px 0}
.audience-grid{margin-top:22px}
.aud-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:18px;text-align:center;color:#fff;backdrop-filter:blur(4px)}
.aud-icon{width:48px;height:48px;background:var(--lime);color:var(--green-dark);border-radius:50%;display:grid;place-items:center;margin:0 auto 10px;font-size:1.3rem}
.aud-card p{color:#d6e8e1;font-size:.88rem;margin:6px 0 0}

/* discover */
.discover{background:var(--green-dark);color:#fff;padding:0}
.discover-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0}
.discover-text{padding:40px}
.discover-grid img{width:100%;height:360px;object-fit:cover;display:block}

/* features */
.features-grid .feature-card{height:260px;border-radius:18px;overflow:hidden;background-size:cover;background-position:center;position:relative}
.feature-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,59,46,.15),rgba(14,59,46,.88));color:#fff;padding:18px;display:flex;flex-direction:column;justify-content:flex-end}
.feature-overlay h3{margin:0 0 4px;color:#fff}
.feature-overlay p{margin:0 0 10px;color:#d6e8e1;font-size:.9rem}

/* tech */
.tech-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center}
.tech-icon{font-size:1.8rem}
.tech-card p{color:var(--muted);font-size:.92rem}

/* trusted */
.trusted{background:var(--gray);padding:36px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.logos-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.logos-grid span{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center;font-weight:600;color:#334}

/* cta find */
.cta-find{background:linear-gradient(90deg,#0e3b2e,#1a5a44);color:#fff;padding:36px 0}
.cta-find-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}
.cta-find-grid img{width:100%;height:300px;object-fit:cover;border-radius:20px}

/* testimonials */
.testimonials .testi-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;position:relative}
.quote{font-size:2.4rem;color:var(--lime);line-height:1}
.testi-card p{color:#334;font-size:.95rem}
.testi-card b{font-size:.85rem;color:var(--green-dark)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.contact-list{list-style:none;padding:0;color:#334}
.map-placeholder{background:var(--gray);border:1px dashed #cbd5d1;border-radius:14px;padding:28px;text-align:center;color:var(--muted);margin-top:14px}
.form label{display:block;margin-bottom:12px;font-weight:500}
.form input,.form select,.form textarea{width:100%;margin-top:6px;padding:12px;border:1px solid var(--border);border-radius:12px;font-family:inherit;font-size:1rem}
.form-msg{color:#0f7a3d;min-height:1.4em}

/* footer */
.footer{background:var(--green-dark);color:#cde0da;padding:40px 0 16px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr 1fr;gap:24px}
.footer-logo{color:#fff;font-size:1.2rem;font-weight:700;margin-bottom:8px}
.footer h4{color:#fff;margin:.4rem 0}
.footer a{display:block;color:#cde0da;text-decoration:none;margin:6px 0;font-size:.92rem}
.footer a:hover{color:var(--lime)}
.social{margin-top:10px;letter-spacing:8px}
.newsletter{display:flex;gap:8px;margin-top:10px}
.newsletter input{flex:1;padding:10px;border-radius:999px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff}
.newsletter input::placeholder{color:#cde0da}
.copy{text-align:center;color:#8fb3a6;font-size:.85rem;margin-top:24px;border-top:1px solid rgba(255,255,255,.12);padding-top:16px}

/* responsive */
@media(max-width:980px){
  .hero-grid,.about-grid,.dark-grid,.cta-find-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-4,.stats-grid,.logos-grid{grid-template-columns:1fr 1fr}
  .discover-grid{grid-template-columns:1fr}
  .topbar-inner{justify-content:center}
  .nav-links{gap:14px}
}
@media(max-width:640px){
  .topbar-left .top-contact{display:none}
  .topbar-right{width:100%;justify-content:center}
  .site-header .nav-wrap{justify-content:flex-end}
  .nav-links{position:absolute;top:52px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 20px 20px;border-bottom:1px solid var(--border);display:none}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .hero-img img{height:300px}
  .about-main{height:260px}
  .check-grid{grid-template-columns:1fr}
  .grid-3,.grid-4,.grid-2,.stats-grid,.logos-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .discover-text{padding:24px}
  .cta-find-grid img{height:220px}
}