.fa-btn {
  --btn-bg: var(--paper);
  --btn-fg: var(--ink);
  --btn-border: var(--border-strong);
  --btn-bg-hover: var(--paper-alt);
  --btn-border-hover: var(--ink-muted);
  --btn-pad-x: 14px;
  --btn-h: var(--control-h);
  --btn-font: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--btn-h);
  padding: 0 var(--btn-pad-x);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-border);
  border-radius: var(--r-2);
  font-family: var(--font-sans);
  font-size: var(--btn-font);
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.fa-btn:hover:not(:disabled) {
  background: var(--btn-bg-hover);
  border-color: var(--btn-border-hover);
  color: var(--btn-fg);
}

.fa-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-color: var(--accent);
}

.fa-btn:disabled {
  color: var(--ink-faint);
  cursor: not-allowed;
}

.fa-btn--primary {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  --btn-border: var(--ink);
  --btn-bg-hover: #000;
  --btn-border-hover: #000;
}

.fa-btn--ghost {
  --btn-bg: transparent;
  --btn-border: transparent;
  --btn-bg-hover: var(--paper-alt);
  --btn-border-hover: transparent;
}

.fa-btn--lg {
  --btn-h: 40px;
  --btn-pad-x: 18px;
  --btn-font: 14px;
}

.fa-pill {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: var(--r-pill);
  background: var(--paper-alt);
  color: var(--ink-2);
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 500;
}

.fa-pill--mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}

.fa-input {
  display: flex;
  align-items: center;
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-2);
  font-family: var(--font-sans);
  font-size: 13px;
}

.fa-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}

.fa-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.fa-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.fa-card__head--alt { background: var(--paper-alt); }

.fa-card__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0;
}

.fa-card__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  margin-left: auto;
}

.fa-card__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.fa-banner {
  margin: 8px 0 0;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  font-size: 13px;
}

.fa-banner--danger {
  background: var(--critical-bg);
  border-color: var(--critical-border);
  color: var(--critical);
}

.portal-shell__brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 5px;
  background: var(--high);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 52px;
  padding: 0 32px;
  border-bottom: 1px solid var(--border-faint);
  background: color-mix(in srgb, var(--paper) 85%, transparent);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.topbar__spacer { flex: 1; }

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero {
  display: flex;
  justify-content: center;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 96px 32px 80px;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  max-width: 640px;
}

.hero h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.hero__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 52ch;
}

.providers {
  border-top: 1px solid var(--border-faint);
  border-bottom: 1px solid var(--border-faint);
  background: var(--paper-alt);
}

.providers__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.providers__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.providers__list {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.providers__note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

.gateways {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 32px;
}

.gateways__intro {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 40px;
  max-width: 60ch;
}

.gateways__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.gateways h2,
.cta h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gateways__intro p,
.cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
}

.gateways__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.glyph--ai {
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  color: var(--info);
}

.glyph--mcp {
  background: var(--low-bg);
  border: 1px solid var(--low-border);
  color: var(--low);
}

.feature-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-faint);
  font-size: 13px;
}

.feature-row:last-child { border-bottom: 0; }

.feature-row__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

.mono { font-family: var(--font-mono); font-size: 12px; }

.bars {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 4px;
  align-items: end;
  height: 56px;
}

.bars span {
  background: var(--info);
  opacity: 0.85;
  border-radius: 2px 2px 0 0;
}

.caption {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.tool-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-faint);
  border-radius: var(--r-2);
  overflow: hidden;
}

.tool-list__row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-bottom: 1px solid var(--border-faint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.tool-list__row:last-child { border-bottom: 0; }

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
}

.dot--ok { background: var(--low); }
.dot--no { background: var(--critical); }

.tool-list__meta {
  margin-left: auto;
  color: var(--ink-muted);
}

.tool-list__meta--no { color: var(--critical); }

.cta {
  border-top: 1px solid var(--border-faint);
  background: var(--paper-alt);
}

.cta__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.invite {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 440px;
}

.invite__row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.invite__row .fa-input { flex: 1; }
.invite__row .fa-btn { flex: none; min-height: 44px; }

.invite__purpose {
  margin: 0;
  font-size: 12px;
  color: var(--ink-muted);
  text-align: left;
}

.invite label.visually-hidden,
.honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.invite-success {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 440px;
  padding: 12px 16px;
  border: 1px solid var(--low-border);
  background: var(--low-bg);
  border-radius: var(--r-2);
  font-size: 13px;
  color: var(--low);
}

.invite-success__email {
  font-family: var(--font-mono);
  font-size: 12px;
}

.site-footer {
  border-top: 1px solid var(--border-faint);
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer__copy {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

@media (max-width: 720px) {
  .topbar { padding: 0 16px; }
  .hero { padding: 64px 16px 48px; }
  .hero h1 { font-size: 32px; }
  .gateways { padding: 48px 16px; }
  .gateways__grid { grid-template-columns: 1fr; }
  .providers__inner,
  .cta__inner,
  .site-footer__inner { padding-left: 16px; padding-right: 16px; }
  .invite__row { flex-direction: column; }
}