:root {
  --portal-canvas: #f3f7f8;
  --portal-surface: #ffffff;
  --portal-ink: #17212b;
  --portal-muted: #63717d;
  --portal-navy: #102a43;
  --portal-teal: #0f766e;
  --portal-purple: #6d4aff;
  --portal-gold: #b7791f;
  --portal-line: #d8e2e5;
  --portal-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --portal-serif: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; }

html { background: var(--portal-canvas); }

body {
  min-width: 320px;
  margin: 0;
  color: var(--portal-ink);
  background:
    radial-gradient(circle at 10% 5%, rgba(15, 118, 110, 0.09), transparent 30rem),
    radial-gradient(circle at 90% 95%, rgba(109, 74, 255, 0.07), transparent 32rem),
    var(--portal-canvas);
  font-family: var(--portal-sans);
}

a:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.35);
  outline-offset: 3px;
}

.portal-shell {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px clamp(20px, 5vw, 72px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
}

.portal-header,
.portal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.portal-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--portal-ink);
  text-decoration: none;
}

.portal-brand > span:last-child { display: grid; line-height: 1.05; }
.portal-brand strong { font-family: var(--portal-serif); font-size: 22px; font-weight: 650; }
.portal-brand small {
  margin-top: 4px;
  color: var(--portal-muted);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portal-brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

.portal-brand-mark i { display: block; border-radius: 3px; }
.portal-brand-mark i:nth-child(1) { background: var(--portal-navy); }
.portal-brand-mark i:nth-child(2) { background: var(--portal-teal); }
.portal-brand-mark i:nth-child(3) { background: var(--portal-gold); }
.portal-brand-mark i:nth-child(4) { background: #8c2a34; }

.portal-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.portal-browse {
  color: var(--portal-navy);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  padding: 9px 4px;
}

.portal-browse:hover { text-decoration: underline; }

.portal-signin {
  padding: 9px 16px;
  border: 1px solid var(--portal-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--portal-navy);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.portal-signin:hover { background: var(--portal-surface); border-color: #b7c7cc; }

.portal-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 0.78fr);
  gap: clamp(36px, 7vw, 110px);
  align-items: center;
  padding: clamp(28px, 5vw, 72px) 0;
}

.portal-copy { max-width: 720px; }

.portal-kicker {
  margin: 0 0 18px;
  color: var(--portal-teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.portal-copy h1 {
  max-width: 680px;
  margin: 0;
  font-family: var(--portal-serif);
  font-size: clamp(52px, 7.2vw, 102px);
  font-weight: 580;
  line-height: 0.94;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.portal-copy > p:not(.portal-kicker) {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--portal-muted);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.6;
}

.portal-proof { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.portal-proof span {
  padding: 7px 11px;
  border: 1px solid var(--portal-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: #44535f;
  font-size: 12px;
  font-weight: 600;
}

.portal-actions { display: grid; gap: 14px; }

.portal-app {
  min-height: 138px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 22px;
  border: 1px solid rgba(216, 226, 229, 0.9);
  border-radius: 18px;
  color: inherit;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 55px rgba(16, 42, 67, 0.07);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portal-app:hover {
  transform: translateY(-3px);
  border-color: #b7c7cc;
  box-shadow: 0 24px 65px rgba(16, 42, 67, 0.12);
}

.portal-app-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #e7f4f2;
  color: var(--portal-teal);
  font-family: var(--portal-serif);
  font-size: 20px;
  font-weight: 700;
}

.portal-app.content .portal-app-icon { color: var(--portal-purple); background: #efebff; }
.portal-app.setup .portal-app-icon { color: #8a5a0a; background: #fff5dc; }
.portal-app > span:nth-child(2) { min-width: 0; display: grid; }

.portal-app small {
  margin-bottom: 4px;
  color: var(--portal-muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portal-app strong {
  font-family: var(--portal-serif);
  font-size: 23px;
  font-weight: 650;
  line-height: 1.15;
}

.portal-app em {
  margin-top: 7px;
  color: var(--portal-muted);
  font-size: 13px;
  font-style: normal;
  line-height: 1.4;
}

.portal-app b {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--portal-canvas);
  color: var(--portal-navy);
  font-size: 18px;
  transition: transform 160ms ease;
}

.portal-app:hover b { transform: translateX(3px); }

.portal-footer {
  padding-top: 18px;
  border-top: 1px solid var(--portal-line);
  color: var(--portal-muted);
  font-size: 12px;
}

@media (max-width: 960px) {
  .portal-stage { grid-template-columns: 1fr; gap: 44px; padding: 40px 0; }
  .portal-copy h1 { max-width: 780px; }
}

@media (max-width: 560px) {
  .portal-shell { padding: 18px 14px; gap: 18px; }
  .portal-brand small,
  .portal-footer span:last-child { display: none; }
  .portal-stage { gap: 32px; padding: 32px 0; }
  .portal-copy h1 { font-size: 52px; line-height: 0.98; }
  .portal-copy > p:not(.portal-kicker) { font-size: 16px; }
  .portal-app {
    min-height: 0;
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 18px;
    border-radius: 14px;
  }
  .portal-app-icon { width: 42px; height: 42px; border-radius: 12px; }
  .portal-app b { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .portal-app,
  .portal-app b { transition: none; }
}

@media (max-width: 560px) {
  .portal-header { flex-wrap: wrap; gap: 10px; }
  .portal-nav { width: 100%; justify-content: space-between; }
  .portal-signin { white-space: nowrap; }
}