:root {
  --ms-bg: #f8fafc;
  --ms-bg-auth: #f7f8fb;
  --ms-border: #e2e8f0;
  --ms-brand: #4166ea;
  --ms-brand-hover: #3454c4;
  --ms-brand-ink: #183278;
  --ms-brand-panel: #4166ea;
  --ms-brand-ring: #4166ea40;
  --ms-shadow-card: 0 18px 45px #0206171f;
  --ms-surface: #fff;
  --ms-surface-muted: #f1f5f9;
  --ms-text: #0f172a;
  --ms-text-faint: #94a3b8;
  --ms-text-inverse: #fff;
  --ms-text-muted: #64748b;
  --ms-text-secondary: #475569;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --max: 42rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--ms-bg-auth);
  color: var(--ms-text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

/* Landing: pin to viewport edges — no gaps, no page scroll */
html:has(body.is-landing),
body.is-landing {
  height: 100%;
  overflow: hidden;
  background: var(--ms-surface);
}

body.is-landing {
  min-height: 0;
  position: fixed;
  inset: 0;
  width: 100%;
}

a {
  color: var(--ms-brand);
}

a:hover {
  text-decoration: underline;
}

/* —— Landing —— */

.landing {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  overflow: hidden;
}

.landing-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  background: var(--ms-surface);
  color: var(--ms-text);
  padding: 2rem 1.5rem 1.5rem;
  position: relative;
  overflow: hidden;
  min-height: 0;
  height: 100%;
}

.landing-panel-inner {
  position: relative;
  z-index: 1;
  max-width: 28rem;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: rise 0.7s ease forwards 0.1s;
}

.brand-lockup:hover {
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  display: block;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.65rem;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

.brand .brand-mark {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 0.45rem;
}

.landing-headline {
  margin: 1.75rem 0 0;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--ms-text);
  opacity: 0;
  animation: rise 0.75s ease forwards 0.25s;
}

.landing-lead {
  margin: 1.1rem 0 0;
  max-width: 26rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ms-text-muted);
  opacity: 0;
  animation: rise 0.75s ease forwards 0.4s;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  opacity: 0;
  animation: rise 0.75s ease forwards 0.55s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.75rem;
  padding: 0 1.25rem;
  border-radius: 0.75rem;
  font-family: inherit;
  font-size: 0.975rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease,
    transform 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--ms-brand);
  color: var(--ms-text-inverse);
}

.btn-primary:hover {
  background: var(--ms-brand-hover);
  color: var(--ms-text-inverse);
}

.btn-ghost {
  background: transparent;
  border-color: var(--ms-border);
  color: var(--ms-text);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--ms-brand) 35%, var(--ms-border));
  color: var(--ms-brand);
  background: var(--ms-surface-muted);
}

.landing-aside {
  display: none;
  background: var(--ms-brand-panel);
  color: var(--ms-text-inverse);
  padding: 2.5rem 2rem;
  align-items: center;
  justify-content: center;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.landing-aside-card {
  width: 100%;
  max-width: 24rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 1rem;
  padding: 2rem 1.75rem;
  box-shadow: none;
  opacity: 0;
  animation: rise 0.8s ease forwards 0.35s;
}

.landing-aside-card h2 {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ms-text-inverse);
}

.landing-aside-card > p {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.78);
}

.aside-links {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.aside-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  text-decoration: none;
  color: var(--ms-text-inverse);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.aside-links a:hover {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

.aside-copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.aside-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.aside-links .meta {
  font-weight: 500;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.aside-links .chev {
  color: var(--ms-text-inverse);
  font-weight: 700;
}

.landing-foot {
  position: relative;
  z-index: 1;
  margin: 0;
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--ms-text-muted);
}

.landing-foot a {
  color: var(--ms-brand);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 900px) {
  .landing {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .landing-panel {
    padding: 2.75rem 3rem;
    border-right: 1px solid var(--ms-border);
  }

  .landing-panel-inner {
    margin: 0;
    max-width: 26rem;
  }

  .landing-aside {
    display: flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-lockup,
  .landing-headline,
  .landing-lead,
  .landing-actions,
  .landing-aside-card {
    animation: none;
    opacity: 1;
  }
}

/* —— Content pages (support / privacy) —— */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ms-text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--ms-brand);
}

.app-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.app-list li {
  border-top: 1px solid var(--ms-border);
}

.app-list a {
  display: block;
  padding: 1rem 0;
  text-decoration: none;
  color: inherit;
}

.app-list a:hover .app-name {
  color: var(--ms-brand);
  text-decoration: underline;
}

.app-name {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
}

.app-desc {
  display: block;
  margin-top: 0.25rem;
  color: var(--ms-text-muted);
  font-size: 0.95rem;
}

h1 {
  margin: 0.75rem 0 0.5rem;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.lead {
  margin: 0 0 1.75rem;
  color: var(--ms-text-muted);
  font-size: 1.05rem;
}

nav.crumbs {
  margin: 1.25rem 0 0;
  font-size: 0.95rem;
  color: var(--ms-text-muted);
}

section {
  margin: 1.5rem 0;
}

section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

section p,
section ul {
  margin: 0 0 0.85rem;
  color: var(--ms-text-secondary);
}

section ul {
  padding-left: 1.2rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ms-border);
  color: var(--ms-text-muted);
  font-size: 0.9rem;
}