:root {
  --bg: #f6f7f2;
  --surface: #ffffff;
  --ink: #1f2b24;
  --muted: #5e6e62;
  --brand: #2f5f34;
  --brand-strong: #244b2a;
  --line: #dfe5d8;
  --chip: #edf4e8;
  --radius: 14px;
  --shadow: 0 10px 28px rgba(29, 53, 37, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Be Vietnam Pro", sans-serif;
  line-height: 1.65;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 242, 0.95);
  backdrop-filter: blur(7px);
  border-bottom: 1px solid rgba(47, 95, 52, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}

.brand img {
  display: block;
  height: 72px;
  width: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-title {
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 30px);
  letter-spacing: 0.06em;
  color: var(--brand-strong);
  text-transform: uppercase;
  line-height: 1;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.menu-toggle,
.mobile-menu,
.menu-backdrop {
  display: none;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-strong);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  transition: max-height 240ms ease, opacity 200ms ease;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  text-decoration: none;
  color: var(--brand-strong);
  font-weight: 600;
  border-bottom: 1px solid #edf1e8;
}

.mobile-menu a:last-child {
  border-bottom: 0;
}

.mobile-menu.open {
  max-height: 240px;
  opacity: 1;
  pointer-events: auto;
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 31, 23, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
  z-index: 45;
}

.menu-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

body.menu-open {
  overflow: hidden;
}

.menu a {
  color: var(--brand-strong);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

main.container {
  padding: 30px 0 58px;
}

.section {
  margin: 38px 0;
}

section[id] {
  scroll-margin-top: 108px;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Prata", serif;
  line-height: 1.25;
}

h1 {
  font-size: clamp(34px, 5vw, 54px);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(28px, 3.8vw, 40px);
  margin-bottom: 14px;
}

h3 {
  font-size: clamp(20px, 2.4vw, 26px);
}

.hero {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: clamp(30px, 4vw, 46px);
}

.hero-kicker,
.mini-kicker {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 11px 18px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(130deg, var(--brand), var(--brand-strong));
}

.btn-secondary {
  color: var(--brand-strong);
  background: var(--chip);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.mini-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.products h2 {
  margin-bottom: 18px;
}

.product {
  position: relative;
}

.product .tag {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-strong);
  background: var(--chip);
}

.product-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid #e6eadf;
  margin: 12px 0;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 10px 0;
}

.old-price {
  color: #8e958f;
  text-decoration: line-through;
  font-size: 14px;
}

.new-price {
  color: #9f2f1b;
  font-size: 22px;
  font-weight: 800;
}

.product ul {
  margin: 8px 0 14px;
  padding-left: 18px;
  color: #4d6153;
}

.discount-badge {
  position: absolute;
  right: 12px;
  top: 12px;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
  color: #603800;
  background: linear-gradient(135deg, #ffdf70, #f3b93f);
}

.quote-card p {
  margin-bottom: 10px;
}

.chip {
  display: inline-flex;
  margin: 0 0 10px;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-strong);
  background: var(--chip);
}

.knowledge-card h3 {
  margin-bottom: 8px;
}

.knowledge-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.read-more {
  display: inline-block;
  margin-top: 12px;
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 14px 16px;
  font: inherit;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question::after {
  content: "+";
  font-weight: 800;
}

.faq-item.open .faq-question::after {
  content: "-";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 220ms ease;
}

.faq-answer p {
  padding: 0 16px 14px;
}

.cta-wrap {
  background: linear-gradient(130deg, #2d5535, #3f7149);
  border: 1px solid #2e603b;
  border-radius: 18px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 24px;
}

.cta-wrap p {
  color: #dcf0df;
}

.about-editorial {
  background: #f8f5ec;
  border: 1px solid #e7dfcf;
  border-radius: 16px;
  padding: clamp(20px, 3vw, 34px);
}

.about-editorial h2 {
  margin-bottom: 12px;
}

.about-editorial h3 {
  margin: 26px 0 10px;
}

.about-editorial p {
  color: #33453a;
}

.about-editorial ul {
  margin: 0;
  padding-left: 22px;
  color: #33453a;
}

.about-editorial li {
  margin-bottom: 6px;
}

.last-updated {
  margin-top: 18px;
}

.site-footer {
  background: #ece7da;
  color: #1f2b24;
  padding: 32px 0;
  border-top: 1px solid #ddd3bf;
}

.site-footer h3 {
  margin-bottom: 8px;
}

.site-footer p {
  margin: 0;
  color: #314236;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: #1f2b24;
  text-decoration: none;
}

.page-content {
  padding: 34px 0 60px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
}

.article-card p,
.article-card li {
  color: var(--muted);
}

.article-card ol {
  margin: 0 0 16px;
  padding-left: 18px;
}

.mobile-buy-bar {
  display: none;
}

@media (max-width: 980px) {
  .menu {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-menu {
    display: block;
    position: relative;
    z-index: 50;
  }

  .menu-backdrop {
    display: block;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .mini-banner,
  .cta-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-buy-bar {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(20, 34, 25, 0.92);
    z-index: 60;
  }

  .mobile-buy-btn {
    display: flex;
    justify-content: center;
    text-decoration: none;
    color: #fff;
    font-weight: 800;
    border-radius: 999px;
    padding: 12px;
    background: linear-gradient(130deg, #ee4d2d, #d94024);
  }

  body {
    padding-bottom: 82px;
  }

  .brand img {
    height: 58px;
  }

  .brand-title {
    font-size: clamp(16px, 4vw, 20px);
  }
}