@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Source+Sans+3:wght@400;600;700&display=swap");

:root {
  --bokily-green: #2D5A27;
  --bokily-green-deep: #1e3f1a;
  --bokily-green-light: #3d7a35;
  --bokily-green-soft: #e8f2e6;
  --bokily-surface: #F8FAF7;
  --bokily-ink: #1a1a1a;
  --bokily-muted: #5c5c5c;
  --bokily-line: #dce5d9;
  --bokily-white: #fff;
  --bokily-shadow: 0 14px 36px rgba(45, 90, 39, 0.1);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --section-y: 1.75rem;
  --section-y-lg: 2.25rem;

  --wrap-max: 960px;
  --content-max: 720px;
  --pair-max: 52rem;

  --radius-input: 12px;
  --radius-sheet: 14px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-ui: "Source Sans 3", system-ui, sans-serif;

  --green: var(--bokily-green);
  --green-light: var(--bokily-green-light);
  --green-soft: var(--bokily-green-soft);
  --cream: var(--bokily-surface);
  --ink: var(--bokily-ink);
  --muted: var(--bokily-muted);
  --line: var(--bokily-line);
  --white: var(--bokily-white);
  --shadow: var(--bokily-shadow);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--bokily-surface);
  color: var(--bokily-ink);
  line-height: 1.6;
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  width: min(var(--wrap-max), calc(100% - 2rem));
  margin-inline: auto;
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(248, 250, 247, 0.94);
  border-bottom: 1px solid var(--bokily-line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0.75rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  color: var(--bokily-green);
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--bokily-green);
  color: var(--bokily-white);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
}
.nav-links {
  display: none;
  gap: 1.15rem;
  font-size: 0.94rem;
  color: var(--bokily-muted);
}
.nav-links a:hover,
.nav-links a.active { color: var(--bokily-green); }
@media (min-width: 768px) { .nav-links { display: flex; } }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--bokily-line);
  border-radius: 999px;
  padding: 0.2rem;
  background: var(--bokily-white);
  flex-shrink: 0;
}
.lang-switch a {
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  color: var(--bokily-muted);
}
.lang-switch a.is-active {
  background: var(--bokily-green);
  color: var(--bokily-white);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.72rem 1.2rem;
  border-radius: var(--radius-input);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.94rem;
  border: 2px solid transparent;
  transition: transform 0.15s, background 0.15s, border-color 0.15s, opacity 0.15s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn[aria-disabled="true"] { opacity: 0.65; pointer-events: none; }
.btn-primary { background: var(--bokily-green); color: var(--bokily-white); }
.btn-primary:hover { background: var(--bokily-green-light); }
.btn-secondary {
  background: transparent;
  color: var(--bokily-green);
  border-color: var(--bokily-green);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--bokily-white);
  border-color: rgba(255, 255, 255, 0.45);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); }

/* —— Inner pages (FAQ, features, download, etc.) —— */
.page-shell {
  padding-bottom: var(--section-y-lg);
}
.page-hero {
  width: min(var(--content-max), 100%);
  margin: 0 auto;
  padding: var(--section-y) 0 1.25rem;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.45rem);
  color: var(--bokily-green);
  letter-spacing: -0.03em;
  margin-bottom: 0.65rem;
  line-height: 1.12;
}
.page-hero .lead {
  color: var(--bokily-muted);
  font-size: 1.05rem;
  max-width: 38rem;
}

.prose {
  width: min(var(--content-max), 100%);
  margin: 0 auto;
  padding: 0 0 var(--section-y-lg);
}
.prose h2 {
  font-family: var(--font-display);
  color: var(--bokily-green);
  font-size: 1.25rem;
  margin: 1.65rem 0 0.55rem;
}
.prose p,
.prose li {
  color: var(--bokily-muted);
  margin-bottom: 0.75rem;
  font-size: 0.98rem;
}
.prose ul { padding-left: 1.2rem; }
.prose a {
  color: var(--bokily-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.card-grid {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
  width: min(var(--content-max), 100%);
  margin-inline: auto;
}
@media (min-width: 768px) {
  .card-grid.two { grid-template-columns: 1fr 1fr; width: min(var(--wrap-max), 100%); }
}
.card {
  background: var(--bokily-white);
  border: 1px solid var(--bokily-line);
  border-radius: var(--radius-sheet);
  padding: 1.2rem 1.25rem;
}
.card h3 {
  margin-bottom: 0.35rem;
  font-size: 1.02rem;
  color: var(--bokily-ink);
}
.card p { color: var(--bokily-muted); font-size: 0.94rem; }

.breadcrumb {
  font-size: 0.86rem;
  color: var(--bokily-muted);
  margin-bottom: 0.85rem;
}
.breadcrumb a { color: var(--bokily-green); }

/* —— Download page blocks —— */
.dl-hero {
  padding: var(--section-y) 0 1.25rem;
}
.dl-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  color: var(--bokily-green);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 0.65rem;
}
.dl-hero .lead {
  color: var(--bokily-muted);
  font-size: 1.04rem;
  margin-bottom: 1.25rem;
  max-width: 40rem;
}
.dl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}
.dl-note {
  font-size: 0.88rem;
  color: var(--bokily-muted);
  margin-bottom: 1.5rem;
}
.dl-card {
  background: var(--bokily-white);
  border: 1px solid var(--bokily-line);
  border-radius: var(--radius-sheet);
  padding: 1.2rem 1.25rem;
  margin-bottom: 1rem;
  max-width: var(--content-max);
}
.dl-card h2 {
  font-family: var(--font-display);
  color: var(--bokily-green);
  font-size: 1.08rem;
  margin-bottom: 0.55rem;
}
.dl-card ol,
.dl-card ul {
  padding-left: 1.15rem;
  color: var(--bokily-muted);
}
.dl-card li { margin-bottom: 0.4rem; font-size: 0.95rem; }
.dl-card p { color: var(--bokily-muted); }
.dl-card a {
  color: var(--bokily-green);
  text-decoration: underline;
}
.dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.1rem;
  font-size: 0.86rem;
  color: var(--bokily-muted);
  margin-top: 0.65rem;
}
.dl-progress { width: 100%; margin-top: 0.75rem; max-width: 28rem; }
.dl-progress-track {
  height: 7px;
  border-radius: 999px;
  background: var(--bokily-line);
  overflow: hidden;
}
.dl-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--bokily-green);
  transition: width 0.15s linear;
}
.dl-progress-label {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  color: var(--bokily-muted);
}

/* —— Footer —— */
footer {
  padding: 1.75rem 0 1.35rem;
  color: var(--bokily-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--bokily-line);
  margin-top: 0;
  background: var(--bokily-surface);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.85rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; }
.footer-links a:hover { color: var(--bokily-green); }
.footer-col h4 {
  color: var(--bokily-green);
  font-size: 0.8rem;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}