* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #fff;
  color: #0f172a;
}

button {
  font: inherit;
  cursor: pointer;
}

a {
  text-decoration: none;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2e8f0;
  z-index: 20;
}

.header-row {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.logo-box {
  background: rgba(76, 175, 80, 0.08);
  border: 1px solid #86efac;
  border-radius: 10px;
  padding: 4px 10px;
}

.logo-box img {
  height: 32px;
  width: auto;
}

.brand-name {
  font-weight: 700;
  font-size: 18px;
}

.brand-tag {
  font-size: 14px;
  color: #64748b;
}

.nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.nav a {
  background: none;
  border: none;
  padding: 8px 10px;
  border-radius: 10px;
  color: #0f172a;
  text-decoration: none;
}

.nav a:hover {
  color: #15803d;
  background: #f8fafc;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #e2e8f0;
  padding: 8px 10px;
  border-radius: 16px;
  font-size: 14px;
}

.lang-switch span {
  color: #64748b;
}

.lang-switch a {
  display: inline-block;
  color: #0f172a;
  padding: 4px 8px;
  border-radius: 10px;
}

.lang-switch a.active {
  background: #dcfce7;
  color: #166534;
  font-weight: 700;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  padding: 64px 24px 24px;
}

.pill,
.eyebrow-green {
  display: inline-block;
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.08;
  margin: 16px 0 0;
  font-weight: 700;
}

.hero-text {
  font-size: 19px;
  line-height: 1.8;
  color: #475569;
  max-width: 700px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  border: none;
  border-radius: 18px;
  padding: 14px 20px;
  font-weight: 700;
}

.btn-primary {
  background: #22c55e;
  color: #fff;
}

.btn-primary:hover {
  background: #16a34a;
}

.btn-secondary {
  background: #fff;
  border: 1px solid #cbd5e1;
  color: #334155;
}

.disclosure {
  margin-top: 18px;
  font-size: 14px;
  color: #64748b;
}

.hero-card {
  display: grid;
  gap: 16px;
}

.card,
.mini,
.product-card,
.guide-card,
.article-card,
.table-wrap {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 26px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
}

.card {
  padding: 28px;
  background: linear-gradient(135deg, #f0fdf4, #fff);
}

.card h3 {
  font-size: 32px;
  margin: 8px 0;
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  color: #15803d;
}

.mini-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.mini {
  padding: 22px;
}

.mini.dark {
  background: #0f172a;
  color: #fff;
}

.mini.green {
  background: #22c55e;
  color: #fff;
}

.section {
  padding: 24px 24px 44px;
}

.section-head h2 {
  font-size: 36px;
  margin: 10px 0;
}

.section-head p {
  color: #64748b;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card,
.guide-card,
.article-card {
  padding: 22px;
}

.product-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  margin-bottom: 14px;
}

.icon-box,
.img-placeholder {
  height: 48px;
  width: 48px;
  background: #dcfce7;
  border-radius: 16px;
  margin-bottom: 14px;
}

.img-placeholder {
  height: 180px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  color: #94a3b8;
}

.product-card h3,
.guide-card h3,
.article-card h3 {
  margin: 8px 0;
  font-size: 22px;
}

.product-card p,
.guide-card p,
.article-card p {
  color: #475569;
  line-height: 1.7;
}

.meta {
  margin-top: 14px;
  font-size: 14px;
  color: #475569;
}

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

.btn-link {
  display: inline-block;
  background: #ff9900 !important;
  color: white;
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: 0.2s;
}

.btn-link:hover {
  background: #e68a00 !important;
  transform: scale(1.05);
}

.btn-outline {
  display: inline-block;
  border: 1px solid #cbd5e1;
  color: #334155;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 700;
  background: #fff;
}

.table-wrap {
  overflow: hidden;
}

.table-wrap .section-head {
  padding: 24px;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap th,
.table-wrap td {
  padding: 16px 20px;
  border-top: 1px solid #e2e8f0;
  text-align: left;
}

.table-wrap thead th {
  background: #f8fafc;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.about-box {
  background: #dcfce7;
  border-radius: 28px;
  padding: 28px;
}

.about-box p {
  line-height: 1.8;
  color: #334155;
}

#next-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: #475569;
  line-height: 1.9;
}

.article-hero {
  border: 1px solid #e2e8f0;
  border-radius: 28px;
  background: linear-gradient(135deg, #f0fdf4, #fff);
  padding: 28px;
  margin-bottom: 28px;
}

.article-hero h1 {
  font-size: 46px;
  margin: 10px 0;
}

.article-hero p {
  font-size: 18px;
  line-height: 1.8;
  color: #475569;
  max-width: 900px;
}

.stack {
  display: grid;
  gap: 24px;
}

.article-card .split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 18px;
}

.badge-box {
  background: #f8fafc;
  border-radius: 18px;
  padding: 14px;
}

.site-footer {
  border-top: 1px solid #e2e8f0;
  margin-top: 24px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px;
  color: #64748b;
  font-size: 14px;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  border-top: 1px solid #e2e8f0;
}

#products-grid .product-card:first-child {
  border: 2px solid #ff9900;
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

#products-grid .product-card:first-child h3 {
  color: #111827;
}

.btn-buy {
  display: inline-block;
  margin: 20px 0;
  padding: 14px 22px;
  background-color: #ff9900;
  color: white;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s;
}

.btn-buy:hover {
  background-color: #e68a00;
}

@media (max-width: 900px) {
  .hero,
  .grid-3,
  .about,
  .grid-2,
  .article-card .split {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 40px;
  }

  .article-hero h1 {
    font-size: 34px;
  }

  .mini-cards {
    grid-template-columns: 1fr;
  }
}
.lang-switch button {
  background: transparent;
  border: none;
  padding: 4px 8px;
  border-radius: 10px;
  color: #0f172a;
  cursor: pointer;
  font: inherit;
}

.lang-switch button:hover {
  background: #f8fafc;
  color: #15803d;
}