@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Nunito:wght@400;600;700;800&display=swap');

:root {
  --cream: #f5f1e8;
  --paper: #fffdf8;
  --green: #354b42;
  --green-dark: #263a32;
  --green-soft: #dce5d9;
  --orange: #c47a3d;
  --brown: #78604b;
  --ink: #242a26;
  --muted: #626b63;
  --line: #d8d8cc;
  --shadow: 0 18px 45px rgba(42, 54, 45, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.header {
  min-height: 88px;
  padding: 16px clamp(20px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: rgba(255,253,248,.96);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font: 800 1.8rem 'Nunito', sans-serif; color: var(--green); white-space: nowrap; }
.brand-mark { color: var(--orange); font-size: 2rem; line-height: 1; }
.nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.nav-link { color: #39423b; font-weight: 600; font-size: .96rem; padding: 8px 0; border-bottom: 2px solid transparent; transition: border-color .2s, color .2s; }
.nav-link:hover, .nav-link.active { color: var(--green); border-color: var(--orange); }
.cart-link { font-size: 1.35rem; }
.menu-toggle { display: none; border: 0; background: none; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--green); }

.hero {
  padding: clamp(54px, 7vw, 100px) clamp(22px, 7vw, 104px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(240px, 1fr) minmax(160px, .65fr);
  gap: clamp(28px, 4vw, 62px);
  align-items: center;
  background: linear-gradient(120deg, var(--cream), #eeeee4);
  overflow: hidden;
}
.eyebrow { margin: 0 0 10px; color: var(--muted); font-size: .76rem; font-weight: 700; letter-spacing: .17em; }
.hero h1 { margin: 0 0 12px; color: var(--green); font: 800 clamp(3.3rem, 6vw, 5.7rem)/1 'Nunito', sans-serif; letter-spacing: -.045em; }
.hero-description { max-width: 460px; color: #4e574f; font-size: clamp(1rem, 1.25vw, 1.15rem); margin: 0 0 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 23px; border-radius: 5px; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(30,45,35,.13); }
.button-primary { color: white; background: var(--green); }
.button-primary:hover { background: var(--green-dark); }
.product-visual {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  border: 1px solid #d0d0c3;
  background: radial-gradient(ellipse at center, #e4e2d6 0%, #f3f0e6 70%);
  border-radius: 3px;
}
.product-visual::before, .product-visual::after { content: ''; position: absolute; width: 54px; height: 2px; background: var(--orange); opacity: .75; transform: rotate(-45deg); top: 24%; right: 18%; }
.product-visual::after { width: 30px; top: 31%; right: 12%; transform: rotate(15deg); }
.briquettes { width: 230px; height: 190px; position: relative; margin-top: 20px; }
.briquette { position: absolute; width: 145px; height: 76px; border: 1px solid #574b3d; background: repeating-linear-gradient(135deg, #766b5b 0 4px, #817563 4px 7px); box-shadow: inset 0 0 20px rgba(25,20,15,.24), 7px 9px 0 rgba(70,60,48,.13); transform: skewY(-10deg) rotate(-2deg); border-radius: 7px; }
.briquette-back { top: 12px; left: 50px; background: repeating-linear-gradient(135deg, #928675 0 4px, #a09582 4px 7px); }
.briquette-left { top: 88px; left: 0; transform: skewY(-10deg) rotate(2deg); }
.briquette-right { top: 87px; right: 0; transform: skewY(-10deg) rotate(-2deg); }
.visual-caption { color: var(--muted); font-size: .78rem; margin: 10px 0 15px; letter-spacing: .04em; }
.hero-benefits { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.hero-benefits li { display: flex; align-items: center; gap: 13px; font-size: .92rem; font-weight: 600; }
.benefit-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--green); border: 1px solid #c4cbbd; border-radius: 50%; font-size: 1.3rem; flex-shrink: 0; }

.features { display: grid; grid-template-columns: repeat(4, 1fr); padding: 44px clamp(22px, 6vw, 90px); background: var(--paper); }
.feature { text-align: center; padding: 10px clamp(12px, 2vw, 32px); border-right: 1px solid var(--line); }
.feature:last-child { border-right: 0; }
.feature-icon { display: block; color: var(--green); font-size: 2.2rem; line-height: 1.2; margin-bottom: 8px; }
.feature h2 { margin: 0 0 6px; font: 800 1.25rem 'Nunito', sans-serif; color: var(--green); }
.feature p { margin: 0 auto; max-width: 230px; color: var(--muted); font-size: .91rem; }

.about { padding: clamp(54px, 7vw, 90px) clamp(22px, 7vw, 104px); display: grid; grid-template-columns: minmax(240px, .85fr) minmax(0, 1.5fr); align-items: center; gap: clamp(36px, 7vw, 100px); background: #f1f0e8; }
.about h2, .contact-strip h2 { margin: 0 0 14px; color: var(--green); font: 800 clamp(1.9rem, 3vw, 2.7rem)/1.15 'Nunito', sans-serif; }
.about-copy > p:not(.eyebrow) { color: #535c53; margin: 0 0 24px; max-width: 460px; }
.button-outline { border: 1px solid var(--green); color: var(--green); }
.button-outline:hover { background: var(--green); color: white; }
.process { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.process-step { flex: 1; text-align: center; min-width: 0; }
.process-illustration { min-height: 72px; display: grid; place-items: center; font-size: 3.3rem; color: var(--brown); line-height: 1; }
.process-illustration.ready { color: var(--green); }
.step-number { display: inline-block; margin-top: 10px; color: var(--orange); font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.process-step h3 { color: var(--green); font: 800 1rem 'Nunito', sans-serif; margin: 3px 0 5px; }
.process-step p { color: var(--muted); font-size: .8rem; margin: 0; }
.process-arrow { color: #9a9f91; font-size: 1.5rem; margin-top: 25px; }

.contact-strip { padding: 35px clamp(22px, 7vw, 104px); display: flex; justify-content: space-between; align-items: center; gap: 30px; background: var(--green); color: white; }
.contact-strip .eyebrow { color: #d6dfd4; }
.contact-strip h2 { color: white; max-width: 760px; font-size: clamp(1.4rem, 2.5vw, 2rem); margin-bottom: 0; }
.button-light { flex-shrink: 0; background: var(--cream); color: var(--green); }
.footer { background: var(--green-dark); color: #f7f4e9; padding: 30px clamp(22px, 5vw, 76px) 20px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 20px; }
.brand-footer { color: white; font-size: 1.5rem; }
.brand-footer .brand-mark { color: #e0d8c5; }
.footer > p { margin: 0; text-align: center; color: #e2e6dc; font-size: .9rem; }
.footer-links { display: flex; justify-content: flex-end; gap: 18px; flex-wrap: wrap; font-size: .86rem; }
.footer-links a:hover { text-decoration: underline; }
.copyright { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.17); padding-top: 14px; font-size: .75rem !important; color: #bdc8bd !important; }

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .hero-benefits { grid-column: 1 / -1; grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .hero-benefits li { align-items: flex-start; font-size: .82rem; }
  .about { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .header { min-height: 72px; gap: 12px; }
  .brand { font-size: 1.5rem; }
  .menu-toggle { display: block; order: 3; }
  .cart-link { margin-left: auto; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 15px 24px 22px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 8px; }
  .nav.open { display: flex; }
  .nav-link { padding: 10px 0; }
  .hero { grid-template-columns: 1fr; padding-top: 52px; }
  .hero h1 { font-size: 3.8rem; }
  .product-visual { min-height: 270px; }
  .hero-benefits { grid-column: auto; grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr 1fr; gap: 22px 0; padding-top: 32px; padding-bottom: 32px; }
  .feature:nth-child(2) { border-right: 0; }
  .feature:nth-child(3), .feature:nth-child(4) { border-top: 1px solid var(--line); padding-top: 24px; }
  .about { padding-top: 48px; }
  .process { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 16px; }
  .process-arrow { display: none; }
  .contact-strip { align-items: flex-start; flex-direction: column; }
  .footer { grid-template-columns: 1fr; text-align: center; }
  .footer > p { text-align: center; }
  .brand-footer { justify-content: center; }
  .footer-links { justify-content: center; }
  .copyright { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}