/* BuddyCal brand theme — Blue #2596be · Green #25be96 */
:root {
  --blue: #2596be;
  --green: #25be96;
  --accent: var(--blue);
  --accent2: var(--green);
  --bg: #081018;
  --fg: rgba(255, 255, 255, 0.93);
  --muted: rgba(255, 255, 255, 0.74);
  --muted2: rgba(255, 255, 255, 0.56);
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  --radius: 16px;
  --gradient-brand: linear-gradient(135deg, var(--blue), var(--green));
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f2f9fb;
    --fg: rgba(10, 30, 38, 0.92);
    --muted: rgba(10, 30, 38, 0.68);
    --muted2: rgba(10, 30, 38, 0.52);
    --card: rgba(37, 150, 190, 0.05);
    --border: rgba(37, 150, 190, 0.16);
    --shadow: 0 12px 32px rgba(37, 150, 190, 0.12);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.65;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, color-mix(in srgb, var(--blue) 14%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 45% at 95% 5%, color-mix(in srgb, var(--green) 12%, transparent), transparent 50%),
    var(--bg);
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
@media (prefers-color-scheme: light) {
  a { color: #1a7a9a; }
}

.container { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }
.container--narrow { width: min(900px, calc(100% - 40px)); margin: 0 auto; }

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.navLeft { display: inline-flex; align-items: center; gap: 10px; min-width: 200px; }

.iconBtn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.iconBtn:hover { border-color: color-mix(in srgb, var(--blue) 40%, var(--border)); }
.iconBtn:focus { outline: 2px solid color-mix(in srgb, var(--blue) 55%, transparent); outline-offset: 2px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: inherit;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }

.logo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: block;
  flex-shrink: 0;
  object-fit: cover;
}

.menu {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.menu a {
  color: var(--muted);
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
}
.menu a:hover {
  background: var(--card);
  color: var(--fg);
}

.chip {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.chip:hover {
  border-color: color-mix(in srgb, var(--blue) 45%, var(--border));
  color: var(--fg);
  text-decoration: none;
}

@media (max-width: 760px) { .menu { display: none; } }

/* Drawer */
.drawerBackdrop[aria-hidden="true"] { display: none; }
.drawerBackdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.45); z-index: 80; }
.drawer {
  position: fixed;
  top: 0; left: 0;
  height: 100%;
  width: min(320px, 86vw);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(12px);
  transform: translateX(-105%);
  transition: transform 180ms ease;
  z-index: 90;
  display: flex;
  flex-direction: column;
}
.drawer[aria-hidden="false"] { transform: translateX(0); }
.drawerHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border);
}
.drawerTitle { font-weight: 800; letter-spacing: 0.2px; }
.drawerBody { padding: 12px 14px 18px; }
.drawerList { margin: 0; padding: 0; list-style: none; }
.drawerList a, .drawerList button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.drawerList a:hover, .drawerList button:hover {
  background: var(--card);
  border-color: var(--border);
  text-decoration: none;
}
.drawerSectionLabel { margin: 14px 6px 8px; color: var(--muted2); font-size: 12px; }
.drawerLangRow { display: flex; gap: 10px; flex-wrap: wrap; }
.segBtn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}
.segBtn[aria-pressed="true"] {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--blue) 50%, var(--border));
  background: color-mix(in srgb, var(--blue) 10%, var(--card));
}

/* Footer */
footer {
  padding: 28px 0 42px;
  border-top: 1px solid var(--border);
  color: var(--muted2);
  font-size: 13px;
}
.footerRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footerLinks {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
}
.footerLinks a { color: inherit; text-decoration: none; }
.footerLinks a:hover { color: var(--blue); }
.footerSep { opacity: 0.55; user-select: none; }

/* Legal / doc pages */
.doc-card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 28px 32px;
}
.doc-card h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 32px);
  letter-spacing: -0.02em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.doc-meta {
  color: var(--muted2);
  font-size: 13px;
  margin: 0 0 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.doc-meta strong { color: var(--muted); }
.doc-intro {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 24px;
}
.doc-toc {
  background: color-mix(in srgb, var(--blue) 6%, var(--card));
  border: 1px solid color-mix(in srgb, var(--blue) 18%, var(--border));
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 28px;
}
.doc-toc h2 {
  margin: 0 0 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--blue);
}
.doc-toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  column-gap: 24px;
}
.doc-toc li { font-size: 13px; margin-bottom: 4px; }
.doc-toc a { color: var(--muted); text-decoration: none; }
.doc-toc a:hover { color: var(--blue); text-decoration: underline; }
@media (max-width: 600px) { .doc-toc ol { columns: 1; } }

.doc-section {
  margin-bottom: 28px;
  padding-left: 16px;
  border-left: 3px solid color-mix(in srgb, var(--green) 55%, var(--border));
}
.doc-section h2 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--fg);
}
.doc-section p, .doc-section li {
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
  margin: 0 0 10px;
}
.doc-section ul, .doc-section ol { margin: 8px 0 0 18px; padding: 0; }
.doc-section li { margin-bottom: 6px; }
.doc-section li strong { color: var(--fg); }
.doc-section code {
  font-size: 13px;
  background: color-mix(in srgb, var(--blue) 8%, var(--card));
  border: 1px solid color-mix(in srgb, var(--blue) 15%, var(--border));
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--fg);
}

.langBlock { display: none; }
.langBlock.is-active { display: block; }

main.doc-main { padding: 32px 0 56px; }

/* Home page */
.page-home h1.hero-title {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-home .sectionTitle h2 {
  color: var(--fg);
  position: relative;
}
.page-home .sectionTitle h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--gradient-brand);
}
.page-home .feature {
  transition: border-color 0.15s, box-shadow 0.15s;
}
.page-home .feature:hover {
  border-color: color-mix(in srgb, var(--blue) 30%, var(--border));
  box-shadow: 0 4px 20px color-mix(in srgb, var(--blue) 8%, transparent);
}
.page-home .linkBtn:hover {
  border-color: color-mix(in srgb, var(--blue) 45%, var(--border));
  color: var(--blue);
}
.page-home .supportCard {
  border-color: color-mix(in srgb, var(--green) 22%, var(--border));
  background: color-mix(in srgb, var(--green) 4%, var(--card));
}
.page-home .mockTop { color: var(--muted2); }
.page-home .kpiLabel { color: var(--muted2); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .drawer { transition: none; }
}