/* agent-ui landing page (index.html) — tool-ui-crafted, on our token system.
   Kept separate from docs/styles.css so the marketing page owns its layout. */

.landing {
  --landing-max: 1180px;
  --landing-gutter: clamp(20px, 5vw, 40px);
  -webkit-font-smoothing: antialiased;
}

/* ---------- top nav (floating pill) ---------- */
.landing-nav {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin: 20px auto 0;
  max-width: var(--landing-max);
  padding: 0 var(--landing-gutter);
}
.landing-nav__brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  color: var(--au-fg);
  font: 600 15px/1 var(--au-font-sans);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.landing-nav__mark {
  align-items: center;
  background: linear-gradient(135deg, var(--au-accent), color-mix(in srgb, var(--au-accent) 70%, #7c6cff));
  border-radius: 9px;
  color: var(--au-on-accent);
  display: inline-flex;
  font: 700 11px/1 var(--au-font-mono);
  height: 26px;
  justify-content: center;
  letter-spacing: 0.02em;
  width: 26px;
}
.landing-nav__links {
  align-items: center;
  display: flex;
  gap: 2px;
}
.landing-nav__link {
  border-radius: var(--au-radius-pill);
  color: var(--au-fg-muted);
  font: 500 13.5px/1 var(--au-font-sans);
  padding: 8px 14px;
  text-decoration: none;
  transition: color var(--au-duration-fast) var(--au-ease), background var(--au-duration-fast) var(--au-ease);
}
.landing-nav__link:hover {
  background: var(--au-surface-muted);
  color: var(--au-fg);
}
.landing-nav__cta {
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-pill);
  color: var(--au-fg);
  font: 600 13.5px/1 var(--au-font-sans);
  padding: 9px 16px;
  text-decoration: none;
  transition: background var(--au-duration-fast) var(--au-ease), border-color var(--au-duration-fast) var(--au-ease);
}
.landing-nav__cta:hover {
  background: var(--au-surface-muted);
  border-color: var(--au-border-emphasis);
}
@media (max-width: 640px) {
  .landing-nav__links { display: none; }
  .landing-nav__brand,
  .landing-nav__cta,
  .landing-footer a {
    align-items: center;
    display: inline-flex;
    min-height: 40px;
    min-width: 40px;
  }
}

/* ---------- hero ---------- */
.landing-hero {
  max-width: var(--landing-max);
  margin: 0 auto;
  padding: clamp(56px, 10vw, 96px) var(--landing-gutter) 40px;
  position: relative;
  text-align: center;
}
/* dotted grid + soft glow background */
.landing-hero::before {
  background-image: radial-gradient(circle, color-mix(in srgb, var(--au-fg) 12%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
  content: "";
  inset: 0;
  -webkit-mask: linear-gradient(to bottom, #000, transparent 75%);
  mask: linear-gradient(to bottom, #000, transparent 75%);
  pointer-events: none;
  position: absolute;
}
.landing-hero__inner {
  position: relative;
}
.landing-hero__badge {
  align-items: center;
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-pill);
  color: var(--au-fg-muted);
  display: inline-flex;
  font: 500 12.5px/1 var(--au-font-sans);
  gap: 8px;
  padding: 7px 14px;
}
.landing-hero__badge-dot {
  background: var(--au-success);
  border-radius: 50%;
  height: 7px;
  width: 7px;
}
.landing-hero h1 {
  font-size: clamp(40px, 7.2vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 26px auto 0;
  max-width: 800px;
}
.landing-hero h1 .landing-grad {
  background: linear-gradient(120deg, var(--au-fg) 30%, color-mix(in srgb, var(--au-fg) 55%, #7c6cff));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.landing-hero__lede {
  color: var(--au-fg-muted);
  font-size: clamp(16px, 2.3vw, 19px);
  line-height: 1.55;
  margin: 22px auto 0;
  max-width: 620px;
}
.landing-hero__lede code {
  background: var(--au-surface-muted);
  border-radius: 5px;
  color: var(--au-fg);
  font: 400 0.9em/1 var(--au-font-mono);
  padding: 2px 6px;
}
.landing-hero__actions {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}
.landing-hero__note {
  color: var(--au-fg-subtle);
  font-size: 13px;
  margin-top: 16px;
}

/* ---------- live demo ---------- */
.landing-demo {
  margin: 0 auto;
  max-width: var(--landing-max);
  padding: 24px var(--landing-gutter) 0;
}
.landing-window {
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-lg);
  box-shadow: 0 20px 60px -24px color-mix(in srgb, var(--au-accent) 30%, transparent), 0 4px 16px -6px rgba(0,0,0,0.08);
  overflow: hidden;
}
.landing-window__bar {
  align-items: center;
  border-bottom: 1px solid var(--au-border);
  display: flex;
  gap: 8px;
  padding: 12px 16px;
}
.landing-window__bar-dot {
  background: var(--au-surface-3);
  border-radius: 50%;
  height: 10px;
  width: 10px;
}
.landing-window__bar-title {
  color: var(--au-fg-subtle);
  font: 500 12px/1 var(--au-font-mono);
  margin-left: 4px;
}
.landing-window__body {
  padding: clamp(16px, 3vw, 28px);
}

/* keep the existing agent-flow layout but give it a home */
.landing-window__body .agent-flow__grid {
  gap: 20px;
}
@media (max-width: 860px) {
  .landing-window__body .agent-flow__grid { grid-template-columns: 1fr; }
}

/* ---------- value props strip ---------- */
.landing-values {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  margin: 48px auto 0;
  max-width: var(--landing-max);
  padding: 0 var(--landing-gutter);
}
@media (max-width: 820px) { .landing-values { grid-template-columns: 1fr; } }
.landing-value {
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-md);
  padding: 22px;
}
.landing-value:hover { border-color: var(--au-border-emphasis); }
.landing-value__ico {
  font-size: 18px;
  margin-bottom: 12px;
}
.landing-value h3 {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.landing-value p {
  color: var(--au-fg-muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

/* ---------- gallery ---------- */
.landing-section {
  margin: 0 auto;
  max-width: var(--landing-max);
  padding: clamp(48px, 8vw, 80px) var(--landing-gutter) 0;
}
.landing-section__head {
  align-items: baseline;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 24px;
}
.landing-section__head h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
.landing-section__head p {
  color: var(--au-fg-muted);
  font-size: 14px;
  margin: 0;
}
.landing-section__head a {
  color: var(--au-fg);
  font-weight: 600;
  text-decoration: none;
}
.landing-section__head a:hover { text-decoration: underline; }
.landing-gallery {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) { .landing-gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .landing-gallery { grid-template-columns: 1fr; } }
.landing-tile {
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-md);
  color: var(--au-fg);
  display: block;
  padding: 18px;
  text-decoration: none;
  transition: border-color var(--au-duration-fast) var(--au-ease), transform var(--au-duration-normal) var(--au-ease), box-shadow var(--au-duration-normal) var(--au-ease);
}
.landing-tile:hover {
  border-color: var(--au-border-emphasis);
  box-shadow: 0 12px 32px -16px color-mix(in srgb, var(--au-accent) 24%, transparent);
  transform: translateY(-2px);
}
.landing-tile__name {
  font-size: 14px;
  font-weight: 650;
  margin: 0 0 4px;
}
.landing-tile__desc {
  color: var(--au-fg-muted);
  font-size: 13px;
  line-height: 1.45;
  margin: 0;
}
.landing-tile__count {
  color: var(--au-fg-subtle);
  font: 500 11px/1 var(--au-font-mono);
  display: block;
  margin-top: 12px;
}

/* ---------- CTA footer ---------- */
.landing-cta {
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-lg);
  margin: 0 auto;
  max-width: var(--landing-max);
  padding: clamp(32px, 6vw, 56px);
  text-align: center;
}
.landing-cta h2 {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.landing-cta p {
  color: var(--au-fg-muted);
  font-size: 15px;
  margin: 0 auto 24px;
  max-width: 480px;
}
.landing-footer {
  border-top: 1px solid var(--au-border);
  color: var(--au-fg-subtle);
  font-size: 13px;
  max-width: var(--landing-max);
  margin: 56px auto 0;
  padding: 28px var(--landing-gutter);
}
.landing-footer a { color: var(--au-fg-muted); text-decoration: none; }
.landing-footer a:hover { color: var(--au-fg); }

@media (prefers-reduced-motion: reduce) {
  .landing-tile:hover { transform: none; }
}

/* hide the old docs chrome when landing is standalone */
body.landing-body .docs-rail,
body.landing-body .docs-topbar { display: none; }
body.landing-body .site-shell { display: block; }