/* ============================================================
   APPY — the front door
   The editorial landing page: masthead, hero, three notes, a
   quote, a footer. Scoped under .landing so the app's own .book,
   .page, and .label stay untouched. Tokens do the palette.
   ============================================================ */

/* The landing owns the whole window: no rail, no mobile bar. */
body[data-route="home"] .app {
  display: block;
  min-height: 100vh;
  padding-bottom: 0;
}

body[data-route="home"] .rail,
body[data-route="home"] .mobile-bar {
  display: none;
}

body[data-route="home"] .view {
  padding: 0;
}

body[data-route="home"] .view > * {
  max-width: none;
}

/* ---------- shell ---------- */

.landing {
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.landing .l-wrap {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 4rem);
}

.landing main:focus {
  outline: none;
}

.landing .l-label {
  margin-bottom: 1.6rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.landing .l-num {
  color: var(--clay);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
  padding-top: 0.55rem;
}

/* ---------- masthead ---------- */

.landing .l-masthead {
  border-bottom: 1px solid var(--rule);
}

.landing .l-masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.5rem;
  padding-block: 1.35rem;
}

.landing .l-wordmark {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-decoration: none;
}

.landing .l-masthead-meta {
  color: var(--muted);
  font-size: 0.9rem;
  font-style: italic;
  letter-spacing: 0.01em;
}

.landing .l-nav {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  margin-left: auto;
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.landing .l-nav a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.landing .l-nav a:hover,
.landing .l-nav a:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.landing .l-theme {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1.4rem;
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.landing .l-theme:hover,
.landing .l-theme:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.landing .l-toggle-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--clay);
  transition: transform 0.35s ease, background 0.2s ease;
}

.landing .l-theme[data-theme-mode="dark"] .l-toggle-dot {
  transform: rotate(180deg);
}

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

.landing .l-hero {
  padding-block: clamp(3.5rem, 9vw, 7rem) clamp(3rem, 7vw, 5.5rem);
}

.landing .l-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}

@media (min-width: 62rem) {
  .landing .l-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.landing .l-hero-text {
  max-width: 34rem;
}

.landing .l-hero h1 {
  margin-bottom: 1.6rem;
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.landing .l-lede {
  max-width: var(--measure);
  color: var(--ink-2);
  font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.18rem);
  line-height: 1.66;
}

.landing .l-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.75rem;
  margin-top: 2.2rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.landing .l-hero-note {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-style: italic;
}

.landing .l-text-link {
  position: relative;
  color: var(--clay);
  text-decoration: none;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid color-mix(in srgb, var(--clay) 35%, transparent);
  transition: border-color 0.2s ease;
}

.landing .l-text-link:hover {
  border-color: var(--clay);
}

.landing .l-text-link.is-quiet {
  color: var(--muted);
  border-bottom-color: var(--rule);
}

.landing .l-text-link.is-quiet:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- the open book ---------- */

.landing .l-figure {
  margin: 0;
  max-width: 36rem;
  justify-self: center;
  width: 100%;
}

@media (min-width: 62rem) {
  .landing .l-figure {
    max-width: none;
  }
}

.landing .l-book {
  perspective: 1600px;
}

.landing .l-spread {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  aspect-ratio: 3 / 2.05;
  border-radius: 3px 7px 7px 3px;
  background: var(--surface);
  box-shadow: var(--shadow-book);
  transform: rotateX(3deg) rotateY(-9deg) rotateZ(0.4deg);
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22, 0.7, 0.2, 1);
}

.landing .l-book:hover .l-spread {
  transform: rotateX(1.5deg) rotateY(-5deg);
}

.landing .l-page {
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
  padding: clamp(1.1rem, 2.6vw, 1.9rem);
  background: var(--surface);
  overflow: hidden;
}

.landing .l-page-left {
  border-radius: 3px 0 0 3px;
  box-shadow: inset -18px 0 26px -22px rgba(40, 33, 22, 0.5);
}

.landing .l-page-right {
  border-radius: 0 7px 7px 0;
  box-shadow: inset 18px 0 26px -22px rgba(40, 33, 22, 0.5);
}

.landing .l-page-date {
  margin-bottom: 0.2rem;
  color: var(--clay);
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.landing .l-page-title {
  font-size: clamp(0.92rem, 1.3vw, 1.12rem);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.landing .l-page-text {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  color: var(--ink-2);
  font-size: 0.74rem;
  line-height: 1.55;
}

.landing .l-page-foot {
  margin-top: auto;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.landing .l-page-link {
  margin-top: auto;
  color: var(--clay);
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--clay) 35%, transparent);
  align-self: flex-start;
  padding-bottom: 0.1rem;
}

.landing .l-page-link:hover {
  border-color: var(--clay);
}

.landing .l-ink {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--ink) 26%, transparent);
}

.landing .l-ink:nth-child(3n) {
  opacity: 0.78;
}

.landing .l-ink:nth-child(4n) {
  opacity: 0.55;
}

/* the page that turns */

.landing .l-page-turn {
  position: absolute;
  inset: 0 0 0 50%;
  z-index: 3;
  padding: 0;
  border: 0;
  border-radius: 0 7px 7px 0;
  background: transparent;
  cursor: pointer;
  transform-origin: left center;
  transform-style: preserve-3d;
  transition: transform 0.9s cubic-bezier(0.6, 0.02, 0.24, 1);
}

.landing .l-page-turn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 0 7px 7px 0;
  background: linear-gradient(
    to left,
    color-mix(in srgb, var(--paper-2) 70%, var(--surface)) 0%,
    var(--surface) 55%
  );
  box-shadow: inset 18px 0 26px -22px rgba(40, 33, 22, 0.35);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.landing .l-page-turn:hover::before,
.landing .l-page-turn:focus-visible::before {
  opacity: 1;
}

.landing .l-turn-hint {
  position: absolute;
  right: 1rem;
  bottom: 0.9rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.landing .l-page-turn:hover .l-turn-hint,
.landing .l-page-turn:focus-visible .l-turn-hint {
  opacity: 1;
  transform: translateX(0);
}

@media (hover: none) {
  .landing .l-turn-hint {
    opacity: 0.75;
    transform: none;
  }
}

.landing .l-book.is-turned .l-page-turn {
  transform: rotateY(-168deg);
  box-shadow: -20px 6px 34px -26px rgba(40, 33, 22, 0.6);
}

.landing .l-spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 4;
  width: 2px;
  margin-left: -1px;
  background: linear-gradient(
    to bottom,
    transparent,
    color-mix(in srgb, var(--ink) 14%, transparent) 12%,
    color-mix(in srgb, var(--ink) 14%, transparent) 88%,
    transparent
  );
  pointer-events: none;
}

.landing .l-caption {
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
  text-align: center;
}

/* ---------- the three notes ---------- */

.landing .l-section {
  border-top: 1px solid var(--rule);
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
}

.landing .l-section-grid {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
}

.landing .l-section-body {
  max-width: 38rem;
}

.landing .l-section-body h2 {
  margin-bottom: 1.1rem;
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.018em;
}

.landing .l-section-body p {
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.72;
}

.landing .l-section-body p + p {
  margin-top: 1rem;
}

.landing .l-aside {
  max-width: 30rem;
  color: var(--muted) !important;
  font-style: italic;
}

.landing .l-section-link {
  margin-top: 1.4rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.landing .l-section-grid.is-flip {
  grid-template-columns: minmax(0, 1fr) 4rem;
}

.landing .l-section-grid.is-flip .l-num {
  order: 2;
  text-align: right;
}

.landing .l-section-grid.is-flip .l-section-body {
  order: 1;
}

@media (min-width: 48rem) {
  .landing .l-section-body h2 {
    max-width: 20ch;
  }
}

/* ---------- the pull quote ---------- */

.landing .l-pull {
  padding-block: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
}

.landing .l-pull blockquote {
  max-width: 30ch;
  margin-inline: auto;
  text-align: center;
}

.landing .l-pull p {
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  font-weight: 400;
  line-height: 1.34;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

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

.landing .l-footer {
  padding-block: 2.6rem 3.2rem;
}

.landing .l-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
}

.landing .l-footer-mark {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.landing .l-footer-note {
  color: var(--muted);
  font-size: 0.86rem;
  font-style: italic;
}

.landing .l-footer-copy {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.landing .l-footer-link {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--rule);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.landing .l-footer-link:hover {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* ---------- small screens ---------- */

@media (max-width: 40rem) {
  .landing .l-masthead-inner {
    gap: 0.5rem 1rem;
    padding-block: 1rem;
  }

  .landing .l-masthead-meta {
    display: none;
  }

  .landing .l-theme {
    margin-left: auto;
  }

  .landing .l-nav {
    order: 3;
    justify-content: space-between;
    width: 100%;
    margin-left: 0;
    padding-top: 0.65rem;
    border-top: 1px solid var(--rule-2);
  }

  .landing .l-section-grid,
  .landing .l-section-grid.is-flip {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.4rem;
  }

  .landing .l-section-grid.is-flip .l-num {
    order: 0;
    text-align: left;
  }

  .landing .l-section-grid.is-flip .l-section-body {
    order: 1;
  }

  .landing .l-footer-copy {
    margin-left: 0;
  }
}