@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap");

:root {
  --bg: #f7fbf9;
  --card: #ffffff;
  --text: #163126;
  --muted: #49695c;
  --line: #d4e8dd;
  --brand: #10b981;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: #0d8e65;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo-link img {
  height: 36px;
  width: auto;
}

.header-menu {
  display: flex;
  align-items: center;
  gap: 1.05rem;
}

.header-menu a {
  text-decoration: none;
  color: #4b6257;
  font-size: 0.88rem;
  font-weight: 600;
}

.header-menu a:hover {
  color: #0f9f73;
}

.header-cta {
  text-decoration: none;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.55rem 0.95rem;
}

.header-cta:hover {
  background: #0f9f73;
}

.container {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.top {
  margin-bottom: 1rem;
}

.back {
  display: inline-block;
  text-decoration: none;
  background: #e7f7f0;
  border: 1px solid #bde7d7;
  border-radius: 999px;
  color: #0a7755;
  font-weight: 700;
  font-size: 0.86rem;
  padding: 0.4rem 0.8rem;
}

h1 {
  margin: 0.8rem 0 0.35rem;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.15;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.card {
  margin-top: 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.15rem;
}

h2 {
  margin: 0 0 0.55rem;
  font-size: 1.13rem;
}

p {
  margin: 0;
}

p + p {
  margin-top: 0.65rem;
}

ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
}

li + li {
  margin-top: 0.35rem;
}

.footer {
  margin-top: 1.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  background: #111827;
  color: #9ca3af;
  margin-top: 2.2rem;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.footer-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 1.4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr;
  gap: 1.5rem;
}

.footer-brand img {
  height: 52px;
  width: auto;
}

.footer-title {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.7rem;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-list li + li {
  margin-top: 0.42rem;
}

.footer-bottom {
  margin-top: 1.2rem;
  border-top: 1px solid #1f2937;
  padding-top: 0.95rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0.55rem 0;
  }

  .header-menu {
    order: 3;
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}