/* The signed-out front door: a quiet ledger, set like an annual report.
   Warm paper, hairline rules, the product's own three typefaces. Static
   composition — the motion budget is hover states and nothing else. */

.landing {
  --paper: #f7f5f1;
  --ink: #22211d;
  --ink-soft: #5d594f;
  --hairline: #d9d5cb;
  --accent: #5bc0eb;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Paper grain: a whisper of print texture over the whole page. Inline
   SVG turbulence, no request, no script — invisible until you look. */
.landing::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

.landing > * {
  position: relative;
  z-index: 1;
}

.landing ::selection {
  background: var(--accent);
  color: var(--ink);
}

.landing a {
  color: inherit;
}

.landing .wrap {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.landing .label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.landing .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.landing section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0;
}

/* -- accessibility ------------------------------------------------------- */

.landing .skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.landing .skip-link:focus {
  left: 0;
}

.landing a:focus-visible,
.landing .btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* -- header -------------------------------------------------------------- */

.landing-header {
  border-bottom: 1px solid var(--hairline);
}

.landing-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.landing-header .wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.landing-header nav {
  display: flex;
  gap: 1.75rem;
}

.landing-header nav a {
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}

.landing-header nav a:hover {
  border-bottom-color: var(--ink);
}

/* -- hero ---------------------------------------------------------------- */

.landing .hero {
  padding: clamp(4rem, 10vw, 7.5rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.landing .hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 1.25rem 0 1.5rem;
  max-width: 18ch;
  text-wrap: balance;
}

.landing .hero .lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 2.25rem;
}

.landing .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  align-items: center;
}

.landing .btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background-color 120ms ease, color 120ms ease;
}

.landing .btn-ink {
  background: var(--ink);
  color: var(--paper);
}

.landing .btn-ink:hover {
  background: transparent;
  color: var(--ink);
}

.landing .btn-line {
  background: transparent;
  color: var(--ink);
}

.landing .btn-line:hover {
  background: var(--ink);
  color: var(--paper);
}

.landing .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2.25rem;
  margin-top: 2.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--hairline);
}

/* -- product figure ------------------------------------------------------ */

.landing .product {
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.landing .product figure {
  margin: 0;
}

.landing .product .frame {
  border: 1px solid var(--hairline);
  background: #fff;
  box-shadow: 0 1px 2px rgba(34, 33, 29, 0.05), 0 12px 32px -18px rgba(34, 33, 29, 0.25);
}

.landing .product img {
  display: block;
  width: 100%;
  height: auto;
}

.landing .product figcaption {
  margin-top: 0.8rem;
}

/* -- ledger strip -------------------------------------------------------- */

.landing .ledger {
  border-top: 1px solid var(--hairline);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.landing .ledger-rows {
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.landing .ledger-rows .row {
  display: grid;
  grid-template-columns: 5.5em 11em 1fr auto;
  gap: 1.25rem;
  align-items: baseline;
  padding: 0.7rem 0.4rem;
  margin: 0 -0.4rem;
  border-bottom: 1px solid var(--hairline);
  transition: background-color 140ms ease;
}

@media (hover: hover) {
  .landing .ledger-rows .row:hover {
    background: color-mix(in srgb, var(--accent) 7%, transparent);
  }

  .landing .ledger-rows .row:hover .amt {
    color: color-mix(in srgb, var(--accent) 55%, var(--ink));
  }
}

.landing .ledger-rows .row .amt {
  transition: color 140ms ease;
}

.landing .ledger-rows .row .src {
  color: var(--ink-soft);
}

.landing .ledger-rows .row .amt {
  text-align: right;
}

.landing .ledger-rows .total {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 3px double var(--ink);
  font-weight: 700;
}

.landing .ledger-rows .total .amt {
  color: color-mix(in srgb, var(--accent) 60%, var(--ink));
  font-size: 1rem;
  transition: letter-spacing 160ms ease;
}

@media (hover: hover) {
  .landing .ledger-rows:hover .total .amt {
    letter-spacing: 0.04em;
  }
}

.landing .ledger-note {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

@media (max-width: 620px) {
  .landing .ledger-rows .row {
    grid-template-columns: 4.5em 1fr auto;
  }

  .landing .ledger-rows .row .src {
    display: none;
  }
}

/* -- pillars ------------------------------------------------------------- */

.landing .pillars {
  border-top: 1px solid var(--hairline);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.landing .pillars .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
}

.landing .pillars h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  margin: 0.6rem 0 0.6rem;
}

.landing .pillars p {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin: 0;
}

@media (max-width: 720px) {
  .landing .pillars .grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* -- spec list ----------------------------------------------------------- */

.landing .spec {
  border-top: 1px solid var(--hairline);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.landing .spec dl {
  margin: 1.75rem 0 0;
}

.landing .spec .spec-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hairline);
  border-left: 2px solid transparent;
  padding-left: 0;
  transition: border-color 140ms ease, padding-left 140ms ease;
}

@media (hover: hover) {
  .landing .spec .spec-row:hover {
    border-left-color: var(--accent);
    padding-left: 0.75rem;
  }
}

.landing .spec dt {
  margin: 0;
}

.landing .spec dd {
  margin: 0;
  font-size: 0.9375rem;
}

@media (max-width: 560px) {
  .landing .spec .spec-row {
    grid-template-columns: 7.5rem 1fr;
    gap: 1rem;
  }
}

/* -- self-host ----------------------------------------------------------- */

.landing .self-host {
  border-top: 1px solid var(--hairline);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.landing .self-host .command {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  margin: 1.25rem 0;
}

.landing .self-host .command .prompt {
  color: var(--ink-soft);
  user-select: none;
}

.landing .self-host p {
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0 0 2rem;
  font-size: 0.9375rem;
}

/* -- footer -------------------------------------------------------------- */

.landing-footer {
  border-top: 1px solid var(--hairline);
  padding: 2rem 0 3rem;
}

.landing-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: baseline;
}

.landing-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.landing-footer a {
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}

.landing-footer a:hover {
  border-bottom-color: var(--ink);
}

/* -- flash --------------------------------------------------------------- */

.landing-flash {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  background: var(--ink, #22211d);
  color: var(--paper, #f7f5f1);
  font-size: 0.8125rem;
  padding: 0.6rem 1.15rem;
}