:root {
  --green: #0f5c25;
  --green-dark: #0a3f19;
  --amber: #f2a400;
  --amber-dark: #c98600;
  --cream: #fbf6ec;
  --sand: #f1e7d3;
  --ink: #1f2a1f;
  --muted: #5b6657;
  --line: #e4d9c2;
  --radius: 16px;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Fraunces", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font: 400 17px/1.65 var(--font-body); color: var(--ink); background: var(--cream); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5em; color: var(--green-dark); }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.9rem); letter-spacing: -.01em; }
h1 em { font-style: italic; color: var(--amber-dark); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--green); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 246, 236, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.brand img { height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--green); }
.nav .lang { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: .85rem; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; padding: 0; }
.burger span, .burger span::before, .burger span::after { content: ""; display: block; width: 24px; height: 2px; background: var(--green-dark); margin: auto; position: relative; transition: .2s; }
.burger span::before { position: absolute; top: -7px; left: 0; }
.burger span::after { position: absolute; top: 7px; left: 0; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.burger[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* buttons */
.btn { display: inline-block; background: var(--green); color: #fff !important; border: 2px solid var(--green); padding: 13px 26px; border-radius: 999px; font: 600 1rem var(--font-body); text-decoration: none; cursor: pointer; transition: .2s; }
.btn:hover { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--green) !important; }
.btn-ghost:hover { background: var(--green); color: #fff !important; }
.btn-wa { background: #1fa855; border-color: #1fa855; }
.btn-wa:hover { background: #17863f; border-color: #17863f; }

/* hero */
.hero { background: radial-gradient(1000px 500px at 85% 0, #fde9b8 0, transparent 60%), var(--cream); padding: clamp(32px, 6vw, 72px) 0 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 600; color: var(--amber-dark); margin-bottom: 14px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-img img { filter: drop-shadow(0 24px 30px rgba(60, 40, 10, .25)); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: clamp(24px, 4vw, 48px); background: var(--green); border-radius: var(--radius) var(--radius) 0 0; color: #fff; }
.stats li { padding: 22px 16px; text-align: center; border-right: 1px solid rgba(255, 255, 255, .15); }
.stats li:last-child { border: 0; }
.stats strong { display: block; font: 700 clamp(1.5rem, 3vw, 2.2rem) var(--font-head); color: var(--amber); }
.stats span { font-size: .9rem; opacity: .9; }

/* sections */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section.alt { background: var(--sand); }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head p { color: var(--muted); }

/* product cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: .2s; }
.card:hover { box-shadow: 0 14px 34px rgba(60, 40, 10, .12); transform: translateY(-3px); }
.card-img { aspect-ratio: 4 / 5; overflow: hidden; background: var(--sand); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.card-body p { color: var(--muted); font-size: .95rem; }
.card-more { align-self: flex-start; margin-top: auto; background: none; border: 0; padding: 4px 0; font: 600 .95rem var(--font-body); color: var(--green); cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.card-extra { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: .92rem; }
.card-extra li { padding: 2px 0; }
.card-extra .link { display: inline-block; margin-top: 10px; font-weight: 600; text-decoration: none; }
.others { margin-top: 40px; padding: 24px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.others h3 { margin-bottom: 4px; }
.others p { color: var(--muted); margin-bottom: 14px; }
.others ul { display: flex; flex-wrap: wrap; gap: 10px; }
.others li { padding: 6px 16px; background: var(--sand); border-radius: 999px; font-size: .92rem; font-weight: 500; }

/* about */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.values { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.values li { background: #fff; border-radius: var(--radius); padding: 20px; border-top: 4px solid var(--amber); }
.values h3 { font-size: 1.05rem; }
.values p { margin: 0; color: var(--muted); font-size: .93rem; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 12px; }
.certs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; align-items: center; margin-top: 56px; }
.certs img { width: 100%; border-radius: 12px; border: 1px solid var(--line); }
.certs p { color: var(--muted); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.steps li { background: #fff; padding: 24px 22px; border-radius: var(--radius); position: relative; }
.steps .n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--green); color: #fff; font: 700 1.1rem var(--font-head); margin-bottom: 14px; }
.steps p { margin: 0; color: var(--muted); font-size: .95rem; }

/* contact */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(28px, 5vw, 72px); }
.info { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 24px 0; }
.info dt { font-weight: 600; color: var(--muted); }
.info dd { margin: 0; }
form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: grid; gap: 6px; font-size: .88rem; font-weight: 600; color: var(--muted); }
input, select, textarea { font: 400 1rem var(--font-body); padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--cream); color: var(--ink); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green); border-color: var(--green); }
form .btn { justify-self: start; }
.note { font-size: .82rem; color: var(--muted); margin: 0; }

/* footer */
.site-footer { background: var(--green-dark); color: #d8e6da; padding: 36px 0; font-size: .92rem; }
.site-footer a { color: #fff; }
.foot { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; }
.foot p { margin: 0; }
.demo { color: var(--amber); }
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 40; width: 56px; height: 56px; border-radius: 50%; background: #1fa855; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0, 0, 0, .25); transition: .2s; }
.wa-float:hover { transform: scale(1.08); }

@media (max-width: 900px) {
  .hero-grid, .about, .contact, .certs { grid-template-columns: 1fr; }
  .steps, .gallery { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); border-radius: var(--radius); }
  .stats li:nth-child(2) { border-right: 0; }
  .stats li:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .15); }
  .foot { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .burger { display: block; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: var(--cream); border-bottom: 1px solid var(--line); padding: 8px 16px 18px; display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav .lang { border: 1px solid var(--line); text-align: center; margin: 12px 0 8px; }
  .nav .btn { text-align: center; border-bottom: 2px solid var(--green); }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .row, .values { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}