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

/* Ad-hoc layout + accent tokens that the DS does not model yet.
   Everything else should reach for semantic/component tokens from
   `tokens.css` (e.g. `--color-bg-page`, `--card-bg`, `--button-primary-bg-default`). */
:root {
  /* ── Layout ── */
  --layout-max-width: 1200px;
  --layout-max-width-narrow: 820px;
  --layout-max-width-reading: 720px;
  --layout-gutter: var(--space-10);
  --layout-gutter-md: var(--space-6);
  --layout-gutter-sm: var(--space-5);
  --layout-section-y: var(--space-16);
  --layout-section-y-lg: var(--space-20);
  --layout-hero-y: var(--space-25);

  /* ── Gradients / tints used for accents that are not (yet) in the DS.
     Dark defaults sit in `:root`; light overrides live further down. */
  --gradient-brand: linear-gradient(
    135deg,
    var(--color-spaceblue-200) 0%,
    var(--color-spaceblue-400) 60%,
    var(--color-cyan-400) 100%
  );
  --gradient-hero-glow: radial-gradient(
    ellipse at top,
    color-mix(in srgb, var(--color-fg-brand) 18%, transparent) 0%,
    transparent 60%
  );
  --tint-brand-soft: color-mix(in srgb, var(--color-fg-brand) 14%, transparent);
  --tint-brand-softer: color-mix(in srgb, var(--color-fg-brand) 8%, transparent);
  --tint-cyan-soft: color-mix(in srgb, var(--color-cyan-400) 14%, transparent);
  --tint-success-soft: color-mix(in srgb, var(--color-fg-success) 14%, transparent);
  --tint-warning-soft: color-mix(in srgb, var(--color-fg-warning) 14%, transparent);
  --surface-raised: color-mix(in srgb, var(--color-bg-card) 80%, transparent);
}

[data-theme="light"] {
  --gradient-brand: linear-gradient(
    135deg,
    var(--color-spaceblue-600) 0%,
    var(--color-spaceblue-500) 55%,
    var(--color-cyan-600) 100%
  );
  --gradient-hero-glow: radial-gradient(
    ellipse at top,
    color-mix(in srgb, var(--color-fg-brand) 10%, transparent) 0%,
    transparent 60%
  );
  --tint-cyan-soft: color-mix(in srgb, var(--color-cyan-600) 14%, transparent);
  --surface-raised: color-mix(in srgb, var(--color-bg-card) 85%, transparent);
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-page);
  color: var(--color-fg-primary);
  font-family: var(--font-family-sans), -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1;
}

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

::selection {
  background: var(--tint-brand-soft);
  color: var(--color-fg-primary);
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-4) var(--layout-gutter);
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg-page) 80%, transparent);
  backdrop-filter: blur(var(--elevation-blur-bg-3));
  -webkit-backdrop-filter: blur(var(--elevation-blur-bg-3));
  border-bottom: var(--border-w-1) solid var(--color-border-elevated);
}

.nav-left {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: var(--radius-3);
  border: var(--border-w-1) solid var(--color-border-default);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-level-2);
}

.logo-mark svg {
  width: 26px;
  height: 26px;
  display: block;
}

.logo-text {
  color: var(--color-fg-primary);
  font-size: var(--font-size-header-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.03em;
  line-height: 1;
}

.logo-sub {
  margin-top: 2px;
  color: var(--color-fg-tertiary);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-fg-secondary);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-cluster {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: var(--radius-full);
  border: var(--border-w-1) solid var(--color-border-elevated);
  background: var(--surface-raised);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-fg-secondary);
  font-size: var(--font-size-text-md);
  font-weight: var(--font-weight-medium);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--color-fg-primary);
  background: color-mix(in srgb, var(--color-fg-primary) 6%, transparent);
}

.nav-link.active {
  color: var(--color-action-primary-fg);
  background: var(--color-action-primary-bg);
  box-shadow: var(--shadow-level-2);
}

.nav-link-emoji {
  flex-shrink: 0;
  line-height: 1;
  font-size: 1.05em;
}

.nav-link-brand-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: block;
}

.nav-beta-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-action-primary-fg);
  background: var(--color-action-primary-bg);
  transition: background 0.15s, transform 0.15s;
}

.nav-link.active .nav-beta-tag {
  background: color-mix(in srgb, var(--color-action-primary-fg) 18%, transparent);
  color: var(--color-action-primary-fg);
}

.nav-link--beta:hover .nav-beta-tag {
  transform: translateY(-1px);
}

/* Theme toggle button (sun / moon) */
.theme-toggle {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  background: var(--surface-raised);
  color: var(--color-fg-secondary);
  border: var(--border-w-1) solid var(--color-border-elevated);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}

.theme-toggle:hover {
  background: color-mix(in srgb, var(--color-fg-primary) 8%, var(--surface-raised));
  color: var(--color-fg-primary);
  border-color: var(--color-border-default);
  transform: rotate(15deg);
}

.theme-toggle:focus-visible {
  outline: none;
  border-color: var(--color-fg-brand);
  box-shadow: 0 0 0 3px var(--tint-brand-soft);
}

.theme-toggle-icon {
  width: 18px;
  height: 18px;
  display: block;
  pointer-events: none;
}

/* default (dark theme) shows moon; light theme flips to sun */
.theme-toggle-icon--light { display: none; }
[data-theme="light"] .theme-toggle-icon--dark { display: none; }
[data-theme="light"] .theme-toggle-icon--light { display: block; }

/* ── LANG SWITCH ── */
.nav-lang-switch {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  height: 40px;
  border-radius: var(--radius-full);
  border: var(--border-w-1) solid var(--color-border-elevated);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-secondary);
  background: var(--surface-raised);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}

.nav-lang-switch:hover {
  color: var(--color-fg-primary);
  border-color: var(--color-border-default);
  background: color-mix(in srgb, var(--color-fg-primary) 8%, var(--surface-raised));
}

.nav-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  border-radius: var(--radius-full);
  border: var(--border-w-1) solid var(--color-border-elevated);
  background: var(--surface-raised);
}

.nav-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-bg-card);
}

.nav-user-avatar--fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-fg-primary);
  border: var(--border-w-1) solid var(--color-border-default);
}

.nav-user-logout,
.nav-user-login {
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-fg-secondary);
  white-space: nowrap;
}

.nav-user-logout:hover,
.nav-user-login:hover {
  color: var(--color-fg-primary);
}

.nav-user-login {
  height: 40px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-full);
  border: var(--border-w-1) solid var(--color-border-elevated);
  background: var(--surface-raised);
}

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-fg-brand) 30%, transparent);
  border-radius: var(--radius-full);
  background: var(--tint-brand-soft);
  color: var(--color-fg-brand);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-fg-brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-fg-brand) 20%, transparent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── AGENT STATUS ── */
.agent-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
}

.agent-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
  flex-shrink: 0;
}

/* Lifecycle pills — each state has a distinct visual weight so a single
   glance over the grid tells you what is alive, what is being built and
   what is parked.

   - live     → success, solid + pulsating dot.
   - beta     → warning, solid (matured but bounded).
   - scaling  → cyan, solid (adopted PoC being integrated into our stack).
   - building → brand, solid (active sprints, has a launch date).
   - backlog  → brand ghost (in queue, no date yet — visually quieter). */
.status-live {
  color: var(--color-fg-success);
  background: var(--tint-success-soft);
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-fg-success) 35%, transparent);
}

.status-live::before {
  animation: pulse 2s infinite;
}

.status-beta {
  color: var(--color-fg-warning);
  background: var(--tint-warning-soft);
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-fg-warning) 35%, transparent);
}

.status-scaling {
  color: var(--color-cyan-400);
  background: var(--tint-cyan-soft);
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-cyan-400) 45%, transparent);
}

[data-theme="light"] .status-scaling {
  color: var(--color-cyan-700);
  border-color: color-mix(in srgb, var(--color-cyan-600) 40%, transparent);
}

.status-scaling::before {
  background: var(--color-cyan-400);
  animation: pulse 2.4s infinite;
}

[data-theme="light"] .status-scaling::before {
  background: var(--color-cyan-600);
}

.status-building {
  color: var(--color-fg-brand);
  background: var(--tint-brand-soft);
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-fg-brand) 45%, transparent);
}

.status-building::before {
  background: var(--color-fg-brand);
}

.status-backlog {
  color: color-mix(in srgb, var(--color-fg-brand) 75%, var(--color-fg-tertiary));
  background: transparent;
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-fg-brand) 28%, transparent);
}

.status-backlog::before {
  background: color-mix(in srgb, var(--color-fg-brand) 60%, transparent);
}

/* ── BUTTONS ── */
.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-button);
  background: var(--button-primary-bg-default);
  color: var(--button-primary-fg);
  font-size: var(--font-size-text-md);
  font-weight: var(--font-weight-semibold);
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: var(--shadow-level-3);
}

.cta-primary:hover {
  background: var(--button-primary-bg-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-level-4);
}

.cta-primary:active {
  background: var(--button-primary-bg-active);
}

.cta-primary svg {
  width: 16px;
  height: 16px;
}

.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-button);
  background: transparent;
  color: var(--color-fg-secondary);
  font-size: var(--font-size-text-md);
  font-weight: var(--font-weight-medium);
  border: var(--border-w-1) solid var(--color-border-default);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.cta-secondary:hover {
  color: var(--color-fg-primary);
  border-color: var(--color-border-contrast);
  background: color-mix(in srgb, var(--color-fg-primary) 6%, transparent);
}

/* ── AGENT CARDS ── */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: 0 var(--layout-gutter) var(--layout-section-y);
}

.agent-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border: var(--border-w-1) solid var(--card-border);
  border-radius: var(--card-radius);
  background: var(--card-bg);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s, background 0.2s;
}

.agent-card:hover {
  border-color: color-mix(in srgb, var(--color-border-brand) 60%, transparent);
  box-shadow: 0 20px 48px color-mix(in srgb, var(--color-fg-brand) 16%, transparent);
  transform: translateY(-2px);
}

.agent-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.agent-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-3);
  font-size: var(--font-size-header-md);
  border: var(--border-w-1) solid var(--color-border-default);
  background:
    radial-gradient(circle at top left, var(--tint-brand-soft), transparent 70%),
    var(--color-bg-elevated-alt);
  color: var(--color-fg-primary);
}

.agent-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 1.5px solid var(--color-border-default);
  flex-shrink: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--color-bg-elevated-alt);
}

.agent-card:hover .agent-avatar {
  border-color: var(--color-border-brand);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-fg-brand) 35%, transparent);
}

.agent-avatar-lg {
  width: 42px;
  height: 42px;
}

.agent-card h3 {
  font-size: var(--font-size-header-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
  color: var(--color-fg-primary);
}

.agent-card p {
  font-size: var(--font-size-text-md);
  line-height: 1.6;
  color: var(--color-fg-secondary);
  flex: 1;
}

.agent-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-w-1) solid var(--color-border-default);
}

.agent-category {
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-fg-brand);
  padding: 3px 10px;
  background: var(--tint-brand-soft);
  border: var(--border-w-1) solid color-mix(in srgb, var(--color-fg-brand) 25%, transparent);
  border-radius: var(--radius-full);
}

.agent-metric {
  font-size: var(--font-size-text-sm);
  color: var(--color-fg-tertiary);
}

.agent-card-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-w-1) solid var(--color-border-default);
}

.agent-card-stats {
  display: flex;
  gap: var(--space-5);
}

.mini-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mini-stat-value {
  font-size: var(--font-size-text-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-fg-primary);
}

.mini-stat-label {
  font-size: var(--font-size-text-xs);
  color: var(--color-fg-tertiary);
}

/* ── NON-LIVE CARD TREATMENT ──
   Dashed brand border for every non-live agent (building + backlog) so the
   grid reads as one coherent group. The pill in the header carries the
   specific lifecycle state; the footer note adapts its copy to building vs
   backlog. Adopted cards layer an extra origin chip on top, regardless of
   lifecycle. */
.agent-card-coming {
  border-style: dashed;
  border-color: color-mix(in srgb, var(--color-fg-brand) 35%, transparent);
}

.agent-card-coming:hover {
  border-color: var(--color-fg-brand);
}

.agent-metric--coming {
  color: var(--color-fg-brand);
  font-weight: var(--font-weight-semibold);
}

.agent-card-coming-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-text-xs);
  color: var(--color-fg-secondary);
  letter-spacing: 0.02em;
  font-weight: var(--font-weight-medium);
}

.agent-card-coming-note--muted {
  color: var(--color-fg-tertiary);
}

.agent-card-coming-note--scaling {
  color: var(--color-cyan-400);
}

[data-theme="light"] .agent-card-coming-note--scaling {
  color: var(--color-cyan-700);
}

.coming-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-fg-brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-fg-brand) 20%, transparent);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.coming-dot--muted {
  background: color-mix(in srgb, var(--color-fg-brand) 50%, transparent);
  box-shadow: none;
  animation: none;
}

.coming-dot--scaling {
  background: var(--color-cyan-400);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-cyan-400) 22%, transparent);
}

[data-theme="light"] .coming-dot--scaling {
  background: var(--color-cyan-600);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-cyan-600) 22%, transparent);
}

/* ── ORIGIN AXIS ──
   Editorial line under the title: brand-coloured ↳ glyph + grey prose
   (same pattern as the internal hub reference cards). No pill chrome so
   it never competes with the lifecycle status pill. */
.agent-origin-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  align-self: flex-start;
  margin: -2px 0 var(--space-1);
  font-size: var(--font-size-text-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  line-height: 1.45;
  color: var(--color-fg-secondary);
}

.agent-origin-chip::before {
  content: "\21B3";
  flex-shrink: 0;
  color: var(--color-fg-brand);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-text-sm);
  line-height: 1;
}

.detail-origin-line {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-top: var(--space-3);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  line-height: 1.45;
  color: var(--color-fg-secondary);
}

.detail-origin-line::before {
  content: "\21B3";
  flex-shrink: 0;
  color: var(--color-fg-brand);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-text-md);
  line-height: 1;
}

[data-theme="light"] .agent-origin-chip,
[data-theme="light"] .detail-origin-line {
  color: color-mix(in srgb, var(--color-fg-primary) 42%, var(--color-fg-secondary) 58%);
}

/* ── SECTION HEADERS ── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: 0 var(--layout-gutter) var(--space-6);
}

.section-header h2 {
  font-size: var(--font-size-header-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.03em;
}

.section-link {
  font-size: var(--font-size-text-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-fg-brand);
  transition: color 0.15s;
}

.section-link:hover {
  color: var(--color-fg-brand-hover);
}

/* ── FILTERS (Vistral-style pill tabs) ── */
.filters {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  max-width: var(--layout-max-width);
  margin: 0 auto var(--space-8);
  padding: 6px;
  border: var(--border-w-1) solid var(--color-border-elevated);
  border-radius: var(--radius-full);
  background: var(--surface-raised);
  width: max-content;
  flex-wrap: wrap;
}

.filter-chip {
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-text-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-fg-secondary);
  background: transparent;
  transition: all 0.15s;
  cursor: pointer;
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--color-fg-primary);
  background: color-mix(in srgb, var(--color-fg-primary) 6%, transparent);
}

.filter-chip.active {
  background: var(--color-action-primary-bg);
  color: var(--color-action-primary-fg);
  box-shadow: var(--shadow-level-2);
}

.filters-secondary {
  margin-top: calc(var(--space-8) * -1 + var(--space-3));
  padding: 4px 6px;
  background: transparent;
  border-color: color-mix(in srgb, var(--color-border-elevated) 60%, transparent);
}

.filters-label {
  padding: 0 var(--space-3) 0 var(--space-2);
  font-size: var(--font-size-text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-fg-tertiary);
  font-weight: var(--font-weight-medium);
}

.filter-chip-sm {
  padding: 5px 12px;
  font-size: var(--font-size-text-sm);
}

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: var(--layout-section-y-lg) var(--space-6);
  color: var(--color-fg-tertiary);
}

.empty-state p {
  font-size: var(--font-size-text-lg);
  margin-bottom: var(--space-5);
}

/* ── FOOTER ── */
footer {
  padding: var(--space-8) var(--layout-gutter);
  border-top: var(--border-w-1) solid var(--color-border-elevated);
  background: var(--color-bg-page);
}

.footer-inner {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-4);
}

.footer-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--font-size-text-md);
  color: var(--color-fg-tertiary);
}

.footer-logo {
  font-weight: var(--font-weight-semibold);
  color: var(--color-fg-secondary);
}

.footer-sep {
  color: var(--color-fg-tertiary);
}

.footer-copy {
  font-size: var(--font-size-text-sm);
  color: var(--color-fg-tertiary);
}

.footer-copy a {
  color: var(--color-fg-secondary);
  transition: color 0.15s;
}

.footer-copy a:hover {
  color: var(--color-fg-primary);
}

.footer-internal {
  display: flex;
  justify-content: center;
  font-size: var(--font-size-text-sm);
}

.footer-internal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: var(--border-w-1) solid var(--color-border-elevated);
  background: var(--surface-raised);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-fg-secondary);
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.footer-internal-link:hover {
  color: var(--color-fg-primary);
  background: color-mix(in srgb, var(--color-fg-primary) 7%, transparent);
  border-color: var(--color-border-default);
}

.footer-internal-link--active {
  color: var(--color-fg-primary);
  background: color-mix(in srgb, var(--color-fg-primary) 10%, transparent);
  border-color: var(--color-border-default);
}

.footer-internal-paren {
  font-weight: var(--font-weight-regular);
  color: var(--color-fg-tertiary);
}

.footer-internal-link:hover .footer-internal-paren,
.footer-internal-link--active .footer-internal-paren {
  color: var(--color-fg-secondary);
}

.footer-internal-emoji {
  font-size: 12px;
  line-height: 1;
  opacity: 0.85;
}

/* ── PAGE HERO (reusable) ──
   Canonical pattern for every page header:
     <section class="page-hero">
       <div class="badge">…eyebrow…</div>
       <h1>Título <span>con acento</span></h1>
       <p class="subtitle">…</p>
     </section>
   The landing `.hero` on home is a bigger variant (more padding + larger glow). */
.page-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  padding: var(--space-16) var(--layout-gutter-md) var(--space-10);
  position: relative;
}

/* No background glow on secondary pages — the radial glow is reserved
   for the landing `.hero` so it stays the single focal moment. */

.page-hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: var(--font-weight-semibold);
  line-height: 1.05;
  letter-spacing: -0.04em;
  max-width: 820px;
}

.page-hero h1 span,
.ai-accent {
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero .subtitle {
  max-width: 560px;
  color: var(--color-fg-secondary);
  font-size: var(--font-size-text-lg);
  line-height: 1.6;
}

/* Compact variant for detail pages: tighter padding, back-link above h1. */
.page-hero--compact {
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  gap: var(--space-3);
}

.page-hero--compact h1 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.03em;
}

/* Left-aligned variant used when a back-link or meta strip lives above. */
.page-hero--start {
  align-items: flex-start;
  text-align: left;
}

.page-hero--start h1,
.page-hero--start .subtitle {
  margin-inline: 0;
}

.page-hero-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-fg-tertiary);
  transition: color 0.15s;
}

.page-hero-back:hover {
  color: var(--color-fg-primary);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  :root {
    --layout-gutter: var(--layout-gutter-md);
  }

  .agents-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 var(--layout-gutter) var(--space-10);
  }
}

@media (max-width: 720px) {
  :root {
    --layout-gutter: var(--layout-gutter-sm);
  }

  nav {
    padding: var(--space-3) var(--layout-gutter-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-right {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: var(--layout-gutter-sm);
    right: var(--layout-gutter-sm);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    background: var(--color-bg-card);
    border: var(--border-w-1) solid var(--color-border-elevated);
    border-radius: var(--radius-4);
    box-shadow: var(--shadow-level-3);
    gap: 4px;
  }

  .nav-right.open {
    display: flex;
  }

  .nav-cluster {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .nav-pill {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    width: 100%;
  }

  .nav-link {
    padding: var(--space-2) var(--space-3);
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-2);
  }

  .nav-link.active {
    border-radius: var(--radius-2);
  }

  .nav-lang-switch {
    align-self: flex-start;
    height: 32px;
    padding: 0 10px;
  }

  .theme-toggle {
    align-self: flex-end;
  }

  .agents-grid {
    grid-template-columns: 1fr;
    padding: 0 var(--layout-gutter) var(--space-8);
  }

  .filters {
    width: 100%;
    justify-content: center;
  }

  footer {
    padding: var(--space-6) var(--layout-gutter);
  }

  .footer-inner {
    gap: var(--space-3);
  }
}