:root{
  --green:#2e7d32;
  --green-dark:#1b5e20;
  --green-light:#66bb6a;
  --whatsapp:#25d366;
  --whatsapp-dark:#128c7e;
  --bg:#f7f9f5;
  --surface:#ffffff;
  --ink:#1a2e1a;
  --ink-soft:#4a5a4a;
  --muted:#6b7a6b;
  --border:#e3e8e0;
  --warning:#e67e22;
  --radius:14px;
  --shadow:0 6px 24px rgba(20,40,20,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);font-weight:800}
.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;display:grid;place-items:center;font-weight:900;font-size:22px}
.brand strong{display:block;font-size:15px;letter-spacing:.5px}
.brand small{display:block;color:var(--muted);font-size:12px}
.header-actions{display:flex;gap:10px;align-items:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;font-size:14px;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(0,0,0,.12)}
.btn-lg{padding:15px 26px;font-size:16px}
.btn-block{width:100%;justify-content:center;margin-top:14px}
.btn-whatsapp{background:var(--whatsapp);color:#fff}
.btn-whatsapp:hover{background:var(--whatsapp-dark)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{background:#f1f4ee;color:var(--ink)}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:#fff;color:var(--green-dark)}

/* Alert bar */
.alert-bar{background:var(--warning);color:#fff;padding:12px 0;font-size:14px;text-align:center}
.alert-bar a{text-decoration:underline;font-weight:700}

/* Hero */
.hero{background-size:cover;background-position:center;color:#fff;padding:80px 0 90px}
.hero-inner{max-width:780px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px;border:1px solid rgba(255,255,255,.3)}
.hero h1{font-size:clamp(34px,5vw,54px);color:#fff;margin-bottom:18px;letter-spacing:-.5px}
.hero h1 .hl{color:var(--green-light)}
.hero p{font-size:17px;opacity:.95;margin-bottom:28px;max-width:640px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.hero-bullets{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;font-weight:600}

/* Sections */
.section{padding:80px 0}
.section-alt{background:#fff;border-block:1px solid var(--border)}
.eyebrow{text-transform:uppercase;letter-spacing:1.5px;font-size:12px;font-weight:700;color:var(--green);margin-bottom:10px}
.section-title{font-size:clamp(26px,3.5vw,38px);margin-bottom:36px;max-width:780px}
.center{text-align:center;margin:0 auto 30px;max-width:680px}
.muted{color:var(--muted)}

/* Grids */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid.mini{gap:16px}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr}}

/* Feature cards */
.card-feature{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .2s}
.card-feature:hover{transform:translateY(-4px)}
.icon-circle{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-light));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:14px}
.card-feature h3{font-size:18px;margin-bottom:8px}
.card-feature p{color:var(--ink-soft);font-size:14.5px}

/* Product cards */
.card-product{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);position:relative;display:flex;flex-direction:column}
.card-product img{height:220px;object-fit:cover;width:100%}
.card-product .card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.card-product h3{font-size:22px;margin-bottom:4px}
.card-product .muted{font-size:14px;margin-bottom:14px}
.card-product ul{list-style:none;margin-bottom:auto;padding-left:0}
.card-product ul li{padding:6px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.card-product ul li::before{content:"✓ ";color:var(--green);font-weight:700}
.card-featured{border-color:var(--green);transform:scale(1.02)}
.ribbon{position:absolute;top:14px;right:14px;background:var(--green);color:#fff;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;z-index:2}

/* Mini cards */
.card-mini{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}
.card-mini h4{font-size:16px;margin-bottom:6px}
.card-mini p{color:var(--ink-soft);font-size:14px}

/* Steps */
.steps{list-style:none;display:grid;gap:18px;grid-template-columns:repeat(2,1fr);counter-reset:step}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.steps li{display:flex;gap:16px;background:#fff;padding:22px;border-radius:var(--radius);border:1px solid var(--border)}
.steps li span{flex:0 0 44px;height:44px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
.steps li h3{font-size:17px;margin-bottom:4px}
.steps li p{color:var(--ink-soft);font-size:14.5px}

/* Two col */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.two-col p{color:var(--ink-soft);margin:18px 0 24px;font-size:16px}
.rounded{border-radius:var(--radius);box-shadow:var(--shadow)}
@media(max-width:840px){.two-col{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 22px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow);border-color:var(--green-light)}
.faq summary{cursor:pointer;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::after{content:"+";color:var(--green);font-size:24px;font-weight:400;transition:transform .2s}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:12px;color:var(--ink-soft);font-size:15px}

/* CTA final */
.cta-final{background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;padding:70px 0;text-align:center}
.cta-final h2{color:#fff;font-size:clamp(28px,4vw,40px);margin-bottom:14px}
.cta-final p{font-size:17px;opacity:.95;margin-bottom:28px}
.cta-final .hero-cta{justify-content:center}

/* Footer */
.site-footer{background:#0f1f10;color:#cfd8cf;padding:50px 0 20px;font-size:14.5px}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px;margin-bottom:30px}
.site-footer strong{color:#fff;font-size:16px;letter-spacing:1px;display:block;margin-bottom:10px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:10px}
.site-footer a{color:var(--green-light)}
.site-footer p{margin:4px 0}
.copyright{border-top:1px solid #1f3a20;padding-top:18px;text-align:center;color:#7a8a7a;font-size:13px}
@media(max-width:760px){.footer-inner{grid-template-columns:1fr;gap:20px}}

/* WhatsApp float */
.whatsapp-float{position:fixed;bottom:22px;right:22px;width:60px;height:60px;background:var(--whatsapp);color:#fff;border-radius:50%;display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);z-index:100;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 10px 30px rgba(37,211,102,.45)}50%{box-shadow:0 10px 30px rgba(37,211,102,.85)}}

/* Mobile header */
@media(max-width:640px){
  .header-actions .btn-ghost{display:none}
  .hero{padding:60px 0 70px}
  .section{padding:60px 0}
}