/* =====================================================================
   TAEditor — shared site chrome
   A small design system used by every page of the marketing & docs site.
   Modern library-docs aesthetic: glass nav, gradient brand mark,
   crisp cards, accent eyebrows, dark footer.
   ===================================================================== */

:root {
  /* Surfaces */
  --site-bg:          #ffffff;
  --site-bg-soft:     #f7f8fb;
  --site-bg-tint:     #f0f3fa;
  --site-panel:       #ffffff;

  /* Ink */
  --site-text:        #0b1020;
  --site-text-soft:   #475067;
  --site-muted:       #6b7280;

  /* Border */
  --site-border:      #e6e8ee;
  --site-border-soft: rgba(15, 23, 42, 0.06);

  /* Accent — indigo / violet */
  --site-accent:        #4f46e5;
  --site-accent-dark:   #3f37c9;
  --site-accent-soft:   #eef0ff;
  --site-accent-ink:    #312e81;
  --site-accent-2:      #7c3aed;
  --site-accent-grad:   linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --site-accent-grad-soft: linear-gradient(135deg, #eef0ff 0%, #f3e8ff 100%);

  /* Code */
  --site-code-bg:     #0b1020;
  --site-code-fg:     #e6ecff;
  --site-code-mono:   "JetBrains Mono", "SFMono-Regular", Menlo, Consolas,
                      "Liberation Mono", monospace;

  /* Footer */
  --site-footer-bg:   #0b1020;
  --site-footer-fg:   #c7cbe1;
  --site-footer-mute: #8089a8;
  --site-footer-bd:   #1c2240;

  /* Effects */
  --site-shadow-sm:   0 1px 2px rgba(11, 16, 32, 0.04);
  --site-shadow:      0 6px 24px -10px rgba(11, 16, 32, 0.12);
  --site-shadow-lg:   0 30px 60px -24px rgba(11, 16, 32, 0.22);

  /* Layout */
  --site-max:         1120px;
  --site-radius:      10px;
  --site-radius-lg:   14px;
  --site-radius-xl:   18px;
  --site-anim:        180ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Type */
  --site-font:        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
                      Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Base ---------- */
.site-reset, .site-reset * { box-sizing: border-box; }
html.site, body.site {
  margin: 0;
  padding: 0;
  background: var(--site-bg);
  color: var(--site-text);
}
body.site {
  font: 16px/1.6 var(--site-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.site a {
  color: var(--site-accent);
  text-decoration: none;
  transition: color var(--site-anim);
}
body.site a:hover { color: var(--site-accent-dark); text-decoration: underline; }

/* ---------- Sticky glass nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--site-border-soft);
}
.site-nav-inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 26px;
  font: 14.5px/1 var(--site-font);
}

/* Brand mark = gradient square + name */
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16.5px;
  color: var(--site-text) !important;
  letter-spacing: -0.012em;
  text-decoration: none !important;
}
.site-brand .mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--site-accent-grad);
  box-shadow: 0 4px 14px -4px rgba(79, 70, 229, 0.6),
              inset 0 -2px 4px rgba(0, 0, 0, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 12.5px;
  letter-spacing: -0.02em;
}
.site-brand .name { line-height: 1; }
.site-brand .dot { color: var(--site-accent); }

.site-nav-links {
  display: flex;
  gap: 22px;
  margin-left: 8px;
  font-size: 14px;
}
.site-nav-links a {
  color: var(--site-text-soft) !important;
  text-decoration: none !important;
  font-weight: 500;
  transition: color var(--site-anim);
}
.site-nav-links a:hover { color: var(--site-text) !important; }
.site-nav-links a.is-active {
  color: var(--site-accent) !important;
}

.site-spacer { flex: 1; }

.site-nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: var(--site-text-soft) !important;
  text-decoration: none !important;
  transition: background var(--site-anim), color var(--site-anim);
}
.site-nav-icon:hover {
  background: var(--site-bg-soft);
  color: var(--site-text) !important;
}

.site-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  background: var(--site-accent-grad);
  color: #fff !important;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none !important;
  box-shadow: 0 4px 12px -4px rgba(79, 70, 229, 0.5);
  transition: transform var(--site-anim), box-shadow var(--site-anim);
}
.site-nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px -6px rgba(79, 70, 229, 0.55);
}

@media (max-width: 760px) {
  .site-nav-inner { padding: 12px 16px; gap: 14px; }
  .site-nav-links { display: none; }
  .site-nav-cta { padding: 7px 12px; font-size: 13px; }
}

/* ---------- Page chrome utilities ---------- */
.site-wrap { max-width: var(--site-max); margin: 0 auto; padding: 0 24px; }
.site-section { padding: 80px 24px; }
.site-section.tight { padding: 56px 24px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--site-accent-ink);
  background: var(--site-accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(28px, 3.2vw, 36px);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -0.022em;
  font-weight: 700;
  color: var(--site-text);
}
.section-sub {
  font-size: 17px;
  line-height: 1.55;
  color: var(--site-text-soft);
  max-width: 640px;
  margin: 0 auto 40px;
}
.text-center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 9px;
  font: 500 14.5px/1 var(--site-font);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none !important;
  transition: transform var(--site-anim), background var(--site-anim),
              box-shadow var(--site-anim), border-color var(--site-anim);
  white-space: nowrap;
}
.btn:hover { text-decoration: none !important; }
.btn .arrow { transition: transform var(--site-anim); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary {
  background: var(--site-accent-grad);
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 8px 20px -8px rgba(79, 70, 229, 0.55);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -10px rgba(79, 70, 229, 0.6);
}

.btn-secondary {
  background: var(--site-panel);
  color: var(--site-text) !important;
  border-color: var(--site-border);
}
.btn-secondary:hover {
  background: var(--site-bg-soft);
  border-color: #cfd3df;
}

.btn-ghost {
  background: transparent;
  color: var(--site-text-soft) !important;
}
.btn-ghost:hover { background: var(--site-bg-soft); color: var(--site-text) !important; }

/* ---------- Cards ---------- */
.card {
  background: var(--site-panel);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-lg);
  padding: 24px;
  transition: border-color var(--site-anim), transform var(--site-anim),
              box-shadow var(--site-anim);
}
.card.is-hoverable:hover {
  border-color: rgba(79, 70, 229, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--site-shadow);
}

/* ---------- Feature card (icon + title + body) ---------- */
.feature {
  background: var(--site-panel);
  border: 1px solid var(--site-border);
  border-radius: var(--site-radius-lg);
  padding: 26px 24px;
  transition: border-color var(--site-anim), transform var(--site-anim),
              box-shadow var(--site-anim);
}
.feature:hover {
  border-color: rgba(79, 70, 229, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--site-shadow);
}
.feature .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--site-accent-grad-soft);
  color: var(--site-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 1px solid rgba(79, 70, 229, 0.12);
}
.feature h3 {
  font: 600 17px/1.3 var(--site-font);
  margin: 0 0 6px;
  color: var(--site-text);
  letter-spacing: -0.01em;
}
.feature p {
  margin: 0;
  color: var(--site-text-soft);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ---------- Code card (monospace block with copy button) ---------- */
.code-card {
  background: var(--site-code-bg);
  color: var(--site-code-fg);
  border-radius: var(--site-radius-lg);
  padding: 22px 24px;
  font: 13.5px/1.65 var(--site-code-mono);
  overflow-x: auto;
  position: relative;
  border: 1px solid #1c2240;
  box-shadow: 0 30px 60px -30px rgba(11, 16, 32, 0.3);
}
.code-card .copy {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: #c7cbe1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 5px 11px;
  font: 500 12px var(--site-font);
  cursor: pointer;
  transition: background var(--site-anim), color var(--site-anim);
}
.code-card .copy:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }
.code-card .copy.copied { color: #4ade80; background: rgba(74, 222, 128, 0.1); }
.code-card pre { margin: 0; white-space: pre; }
/* Keep horizontal scroll inside the card; never let the copy button overlap code. */
.code-card pre { padding-right: 64px; }
@media (max-width: 600px) {
  .code-card { padding: 18px 16px; font-size: 12.5px; }
  .code-card .copy { padding: 4px 9px; font-size: 11.5px; top: 10px; right: 10px; }
}
.code-card .tag  { color: #7dd3fc; }
.code-card .attr { color: #a5d6ff; }
.code-card .str  { color: #c4b5fd; }
.code-card .key  { color: #f0abfc; }
.code-card .com  { color: #6b7299; }
.code-card .fn   { color: #93c5fd; }

/* ---------- Eyebrow + small label utility ---------- */
.kbd {
  font: 12px var(--site-code-mono);
  background: var(--site-bg-soft);
  border: 1px solid var(--site-border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--site-text);
}

/* ---------- Site footer ---------- */
.site-footer {
  background: var(--site-footer-bg);
  color: var(--site-footer-fg);
  padding: 56px 24px 32px;
  font: 14px/1.6 var(--site-font);
  border-top: 1px solid var(--site-footer-bd);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 0%, rgba(79, 70, 229, 0.18), transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 100%, rgba(124, 58, 237, 0.12), transparent 60%);
  pointer-events: none;
}
.site-footer-wrap {
  position: relative;
  max-width: var(--site-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 40px;
}
.site-footer a {
  color: var(--site-footer-fg) !important;
  text-decoration: none !important;
  transition: color var(--site-anim);
}
.site-footer a:hover { color: #fff !important; }

.site-footer-brand .name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #fff;
  font-size: 17px;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.site-footer-brand .name .mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--site-accent-grad);
  box-shadow: 0 4px 14px -4px rgba(79, 70, 229, 0.6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 12.5px;
}
.site-footer-brand p {
  color: var(--site-footer-mute);
  max-width: 320px;
  margin: 4px 0 14px;
  font-size: 14px;
}
.site-footer-brand .badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.site-footer-brand .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--site-footer-mute);
}

.site-footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.site-footer-col h4 {
  font: 600 12px var(--site-font);
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.site-footer-col a {
  display: block;
  margin: 5px 0;
  font-size: 14px;
  color: var(--site-footer-mute) !important;
}
.site-footer-col a:hover { color: #fff !important; }

.site-footer-bottom {
  position: relative;
  max-width: var(--site-max);
  margin: 36px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--site-footer-bd);
  color: var(--site-footer-mute);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 760px) {
  .site-footer { padding: 40px 18px 28px; }
  .site-footer-wrap { grid-template-columns: 1fr; gap: 28px; }
  .site-footer-cols { grid-template-columns: repeat(2, 1fr); gap: 22px; }
}