@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700&family=Inter:wght@400;500&display=swap');

:root {
  --forest: #1B4332;
  --forest-deep: #12301F;
  --mint: #D8F3DC;
  --paper: #FBFBF8;
  --ink: #1E2422;
  --ink-soft: #5B6560;
  --check-green: #4CA652;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

h1, h2 {
  font-family: 'Sora', sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ---------- Navbar ---------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid rgba(27, 67, 50, 0.12);
}

.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  height: 40px;
  width: 40px;
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
  font-weight: 500;
  font-size: 0.98rem;
}

.nav-links a {
  color: var(--ink);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--forest);
  border-color: var(--check-green);
}

/* ---------- Hero ---------- */

.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(76, 166, 82, 0.35), transparent 55%),
    linear-gradient(160deg, var(--forest) 0%, var(--forest-deep) 100%);
  color: var(--mint);
  padding: 110px 24px 100px;
  text-align: left;
}

.hero-content {
  max-width: 640px;
  margin: 0 auto;
  padding-left: 8px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 18px;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--mint);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-btn {
  display: inline-block;
  background: var(--check-green);
  color: #FFFFFF;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: 6px;
  transition: background 0.2s ease, transform 0.15s ease;
}

.hero-btn:hover,
.hero-btn:focus-visible {
  background: #3E8C43;
  transform: translateY(-1px);
}

/* ---------- Blog section ---------- */

.blog {
  padding: 80px 24px;
}

.blog-inner {
  max-width: 640px;
  margin: 0 auto;
}

.blog-inner h2 {
  font-size: 1.7rem;
  color: var(--forest);
  margin-bottom: 14px;
}

.blog-inner p {
  color: var(--ink-soft);
  max-width: 520px;
}

/* ---------- Footer ---------- */

.footer {
  background: var(--mint);
  padding: 28px 24px;
}

.disclaimer {
  max-width: 700px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}

.disclaimer strong {
  color: var(--forest);
}

/* ---------- Blog inline link ---------- */

.inline-link {
  color: var(--forest);
  font-weight: 500;
  border-bottom: 1px solid var(--check-green);
}

.inline-link:hover,
.inline-link:focus-visible {
  color: var(--check-green);
}

/* ---------- Post hero (blog.html) ---------- */

.post-hero {
  background:
    radial-gradient(circle at 15% 25%, rgba(76, 166, 82, 0.3), transparent 55%),
    linear-gradient(160deg, var(--forest) 0%, var(--forest-deep) 100%);
  padding: 80px 24px 60px;
}

.post-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.post-eyebrow {
  color: var(--check-green);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.post-hero h1 {
  color: #FFFFFF;
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  line-height: 1.25;
  margin-bottom: 14px;
}

.post-sub {
  color: var(--mint);
  font-size: 1.05rem;
  max-width: 560px;
}

/* ---------- Article body ---------- */

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 40px;
}

.article p {
  color: var(--ink-soft);
  margin-bottom: 18px;
  max-width: 68ch;
}

.article h2 {
  color: var(--forest);
  font-size: 1.5rem;
  margin-top: 44px;
  margin-bottom: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(27, 67, 50, 0.12);
}

.article h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.article h3 {
  font-family: 'Sora', sans-serif;
  color: var(--ink);
  font-size: 1.15rem;
  margin-top: 26px;
  margin-bottom: 10px;
}

.article ul,
.article ol {
  color: var(--ink-soft);
  margin: 0 0 20px 0;
  padding-left: 22px;
}

.article ul li,
.article ol li {
  margin-bottom: 10px;
  max-width: 64ch;
}

.article .steps li {
  padding-left: 4px;
}

.callout {
  background: var(--mint);
  border-left: 3px solid var(--check-green);
  border-radius: 4px;
  padding: 14px 18px;
  margin: 8px 0 26px;
  color: var(--forest);
  font-size: 0.98rem;
}

.callout strong {
  color: var(--forest);
}

.faq {
  padding: 18px 0;
  border-bottom: 1px solid rgba(27, 67, 50, 0.12);
}

.faq:first-of-type {
  border-top: 1px solid rgba(27, 67, 50, 0.12);
}

.faq h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.faq p {
  margin-bottom: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 560px) {
  .navbar-inner {
    padding: 12px 18px;
  }
  .nav-links {
    gap: 20px;
    font-size: 0.9rem;
  }
  .hero {
    padding: 80px 20px 70px;
    text-align: center;
  }
  .hero-content {
    padding-left: 0;
    margin: 0 auto;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .post-hero {
    padding: 60px 20px 44px;
  }
  .article {
    padding: 40px 20px 32px;
  }
}

/* Accessibility: visible focus ring */
a:focus-visible {
  outline: 2px solid var(--check-green);
  outline-offset: 3px;
}