/* Colori e font da docs/DESIGN_SYSTEM.md (tema chiaro). */
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/Fraunces-Variable.ttf') format('truetype');
  font-weight: 300 800;
  font-display: swap;
}

:root {
  --paper: #fbf6ee;
  --paper-muted: #f3ebdd;
  --card: #fffdf8;
  --line: #e3d8c6;
  --ink: #2a2118;
  --ink-soft: #5f5244;
  --muted: #766655;
  --on-ink: #ffffff;
  --amber-deep: #ad5409;
  --amber-soft: #fbe9d3;
  --amber-ink: #7f3f06;
  --ink-hover: #41342a;
  --paper-hover: #ebe1d0;
  --paper-deep: #e9e1d3;
  --ok: #2a6e45;
  --ok-soft: #ddefe2;
  --error: #b4372c;
  --error-soft: #f8deda;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font:
    17px/1.6 -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.brand {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.lang {
  font-size: 15px;
  font-weight: 500;
  color: var(--amber-deep);
}

h1,
h2,
h3 {
  font-family: 'Fraunces', Georgia, serif;
  color: var(--ink);
  line-height: 1.25;
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  font-size: 34px;
  margin: 0 0 8px;
}

h2 {
  font-size: 24px;
  margin: 40px 0 8px;
}

h3 {
  font-size: 19px;
  margin: 28px 0 4px;
}

a {
  color: var(--amber-deep);
}

.meta {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 24px;
}

.card {
  background: var(--paper-muted);
  padding: 24px;
}

.card h1 {
  font-size: 28px;
}

ol,
ul {
  padding-left: 22px;
}

li {
  margin: 4px 0;
}

.button {
  display: inline-block;
  margin-top: 16px;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--on-ink);
  font-weight: 600;
  text-decoration: none;
}

.note {
  background: var(--amber-soft);
  color: var(--amber-ink);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 15px;
}

hr {
  border: 0;
  margin: 56px 0 0;
}

footer {
  margin-top: 48px;
  font-size: 14px;
  color: var(--muted);
}

footer a {
  color: var(--muted);
  margin-right: 16px;
}

/* Landing (/ e /en): il prodotto in funzione. Le parti con data-ui riprendono l'interfaccia dell'app. */
.landing {
  --m: clamp(20px, 2.4vw, 32px);
  --r-page: 20px;
  --s1: clamp(28px, 4.4vw, 72px);
  --s2: clamp(30px, 3.4vw, 48px);
  --s3: clamp(22px, 2.1vw, 30px);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.5;
  overflow-x: clip;
}
.landing main {
  max-width: none;
  margin: 0;
  padding: 0;
}
.landing h1,
.landing h2,
.landing h3 {
  margin: 0;
  text-wrap: initial;
}
.landing h1,
.landing h2 {
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
}
.landing h2 {
  font-size: var(--s2);
}
.landing h3 {
  font-size: var(--s3);
  font-weight: 500;
  line-height: 1.2;
}
.landing a {
  color: inherit;
}
.landing :focus-visible {
  outline: 3px solid var(--amber-deep);
  outline-offset: 2px;
}

.bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px var(--m);
}
.mark {
  font:
    600 24px 'Fraunces',
    Georgia,
    serif;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.mark img {
  width: 36px;
  height: 36px;
  border-radius: 22%;
}
.bar nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(14px, 2vw, 24px);
  font-size: 16px;
  font-weight: 500;
}
.bar nav a {
  text-decoration: none;
  transition: color 150ms ease-out;
}
.bar nav a:hover {
  color: var(--amber-deep);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--m);
  padding: 12px var(--m) 0;
  min-height: calc(100svh - 72px);
}
.lede {
  display: flex;
  flex-direction: column;
  padding-top: clamp(24px, 6vh, 72px);
}
.landing h1 {
  font-size: var(--s1);
}
.landing h1 span {
  display: block;
  white-space: nowrap;
}
.sub {
  max-width: 50ch;
  margin: 28px 0 0;
  font-size: 20px;
  line-height: 1.45;
}
.asks {
  list-style: none;
  margin: auto 0 0;
  padding: 40px 0 32px;
  font:
    400 var(--s3)/1.3 'Fraunces',
    Georgia,
    serif;
  color: var(--muted);
}
.asks li {
  margin: 0 0 6px;
}
.stage {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--paper-muted);
  padding: clamp(20px, 4vh, 40px) clamp(16px, 2.4vw, 32px);
}

/* Frammenti dell'interfaccia: misure del design system */
.ui-card {
  width: 100%;
  max-width: 440px;
  background: var(--card);
  border-radius: 20px;
  padding: 22px;
  box-shadow: /* taste-skill-ignore: cardShadow del design system, solo su data-ui */
    0 10px 30px rgba(60, 40, 10, 0.1),
    0 1px 2px rgba(60, 40, 10, 0.06);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.ui-card > * {
  margin: 0 0 14px;
}
.ui-card > :last-child {
  margin-bottom: 0;
}
.js:not(.ready) #today-card > *,
.js #today-card:not(.enter) > * {
  visibility: hidden;
}
.js #today-card:not(.enter) {
  min-height: 380px;
}
.ui-card.enter {
  animation: page 220ms cubic-bezier(0.33, 1, 0.68, 1);
}
@keyframes page {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}
.ui-chips {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.ui-chip {
  background: var(--paper-muted);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}
.ui-chip.amber {
  background: var(--amber-soft);
  color: var(--amber-ink);
}
.ui-q {
  font:
    500 30px/1.22 'Fraunces',
    Georgia,
    serif;
  letter-spacing: -0.012em;
  color: var(--ink);
  outline: none;
}
.ui-q.small {
  font-size: 24px;
}
.ui-body {
  font-size: 16px;
  line-height: 1.6;
}
.ui-note {
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted);
}
.ui-note a {
  color: var(--amber-deep);
}
.ui-actions {
  display: flex;
  gap: 8px;
}
.ui-actions .ui-btn {
  flex: 1;
}
.ui-btn {
  appearance: none;
  border: 0;
  border-radius: 16px;
  padding: 15px 18px;
  font:
    600 16px/1.2 -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
  cursor: pointer;
  transition:
    transform 90ms ease-out,
    background-color 150ms ease-out;
  display: block;
  text-align: center;
}
.ui-btn:active:not(:disabled) {
  transform: scale(0.98);
}
.ui-btn.primary {
  background: var(--ink);
  color: var(--on-ink);
}
.ui-btn.primary:hover {
  background: var(--ink-hover);
}
.ui-btn.soft {
  background: var(--paper-muted);
  color: var(--ink);
  width: 100%;
}
.ui-btn.soft:hover {
  background: var(--paper-hover);
}
.ui-btn.ghost {
  background: none;
  color: var(--amber-deep);
  width: 100%;
  padding: 8px;
  font-size: 14px;
}
.ui-btn.ghost:hover {
  text-decoration: underline;
}
.ui-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--paper-deep);
  overflow: hidden;
}
.ui-bar span {
  display: block;
  height: 100%;
  background: var(--amber-deep);
  transition: width 300ms cubic-bezier(0.33, 1, 0.68, 1);
}
.ui-options {
  display: grid;
  gap: 8px;
}
.ui-btn.option {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: left;
  font:
    500 16px/1.3 'Fraunces',
    Georgia,
    serif;
}
button.ui-btn.option:hover:not(:disabled) {
  background: var(--amber-soft);
}
.ui-btn.option:disabled {
  cursor: default;
}
.ui-btn.option.right {
  background: var(--ok-soft);
  border-color: var(--ok);
}
.ui-btn.option.wrong {
  background: var(--error-soft);
  border-color: var(--error);
}
.ui-after {
  display: grid;
  gap: 12px;
}
.ui-after:empty {
  display: none;
}
.ui-explain {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
}
.ui-explain.right {
  color: var(--ok);
}
.ui-explain.wrong {
  color: var(--error);
}
.ui-list {
  list-style: none;
  padding: 0;
}
.ui-list li {
  padding: 12px 0;
  border-top: 1px solid var(--line); /* taste-skill-ignore: divisore dell'interfaccia */
  margin: 0;
}
.ui-list span {
  display: block;
  font:
    500 16px/1.3 'Fraunces',
    Georgia,
    serif;
  color: var(--ink);
}
.ui-list small {
  font-size: 13px;
  color: var(--muted);
}

/* Come funziona: frammento fisso che cambia stato */
.how {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--m);
  padding: clamp(96px, 12vw, 180px) var(--m) 0;
}
.step {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.steps h2 {
  margin-bottom: -8vh;
}
.step h3 {
  font-size: var(--s2);
  letter-spacing: -0.02em;
  color: var(--muted);
  transition: color 300ms ease-out;
}
.step p {
  margin: 12px 0 0;
  max-width: 40ch;
}
.step.on h3 {
  color: var(--ink);
}
.how-stage {
  position: sticky;
  top: 16vh;
  height: 68vh;
  min-height: 520px;
  background: var(--amber-soft);
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
}
.frag {
  grid-area: 1 / 1;
  transition:
    opacity 300ms ease-out,
    transform 300ms ease-out,
    visibility 0s 300ms;
}
.how-stage:not([data-state]) .frag:not(:first-child) {
  display: none;
}
.how-stage[data-state] .frag {
  opacity: 0;
  transform: translateY(8px);
  visibility: hidden;
}
.how-stage[data-state='read'] [data-frag='read'],
.how-stage[data-state='quiz'] [data-frag='quiz'],
.how-stage[data-state='save'] [data-frag='save'] {
  opacity: 1;
  transform: none;
  visibility: visible;
  transition:
    opacity 600ms ease-out 300ms,
    transform 600ms ease-out 300ms,
    visibility 0s 300ms;
}

/* Tavola con note a margine */
.plate {
  --row: 96px;
  display: grid;
  grid-template-columns: 1fr 400px 1fr;
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(96px, 12vw, 180px) var(--m) 0;
  align-items: start;
}
.notes.left {
  text-align: right;
}
.notes.left h2 {
  min-height: 88px;
}
.notes.right {
  padding-top: calc(88px + var(--row));
}
.mnote {
  min-height: calc(var(--row) * 2);
  max-width: 30ch;
}
.notes.left .mnote {
  margin-left: auto;
}
.mnote h3 {
  font-family: inherit;
  font-size: 18px;
  font-weight: 600;
}
.mnote p {
  margin: 4px 0 0;
  font-size: 16px;
  line-height: 1.45;
}
.ui-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0 20px;
  color: var(--ink);
}
.ui-panel .ui-q {
  margin: 0;
  height: 88px;
  display: flex;
  align-items: center;
}
.ui-panel .row {
  height: var(--row);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-top: 1px solid var(--line); /* taste-skill-ignore: divisore dell'interfaccia */
  transition: opacity 150ms ease-out;
}
.ui-panel .row span {
  font-size: 16px;
  font-weight: 600;
}
.ui-panel .row small {
  font-size: 14px;
  color: var(--muted);
}
.plate:has(.mnote:hover) .row {
  opacity: 0.3;
}
.plate:has(.mnote[data-r='1']:hover) .row[data-r='1'],
.plate:has(.mnote[data-r='2']:hover) .row[data-r='2'],
.plate:has(.mnote[data-r='3']:hover) .row[data-r='3'],
.plate:has(.mnote[data-r='4']:hover) .row[data-r='4'],
.plate:has(.mnote[data-r='5']:hover) .row[data-r='5'],
.plate:has(.mnote[data-r='6']:hover) .row[data-r='6'] {
  opacity: 1;
}

/* Keeplet */
.keeplet {
  margin: clamp(96px, 12vw, 180px) var(--m) 0;
  background: var(--paper-muted);
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--m);
  padding: clamp(24px, 4vw, 56px);
  padding-bottom: 0;
  align-items: end;
  overflow: hidden;
}
.keeplet-text {
  align-self: center;
  padding-bottom: clamp(24px, 4vw, 56px);
}
.keeplet-text p {
  max-width: 44ch;
  margin: 16px 0 0;
  font-size: 20px;
  line-height: 1.45;
}
.flashcard {
  justify-self: center;
  align-self: center;
}
.keeplet-icon {
  display: inline-block;
  margin-bottom: 20px;
  border-radius: 22%;
  transition: transform 90ms ease-out;
}
.keeplet-icon:active {
  transform: scale(0.98);
}
.keeplet-icon img {
  display: block;
  width: 64px;
  height: 64px;
  border-radius: 22%;
}

/* Domande frequenti */
.faq {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: var(--m);
  padding: clamp(96px, 12vw, 180px) var(--m) 0;
  align-items: start;
}
.faq h2 {
  position: sticky;
  top: 96px;
}
.tiles {
  display: grid;
  gap: 8px;
}
.tiles details {
  background: var(--paper-muted);
  border-radius: var(--r-page);
  transition: background-color 150ms ease-out;
}
.tiles summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 16px 24px;
  font-size: 20px;
  font-weight: 500;
}
.tiles summary::-webkit-details-marker {
  display: none;
}
.tiles summary {
  position: relative;
  padding-right: 64px;
}
.tiles summary::before,
.tiles summary::after {
  content: '';
  position: absolute;
  right: 24px;
  top: 50%;
  width: 16px;
  height: 3px;
  margin-top: -1.5px;
  background: currentColor;
  transition: transform 150ms ease-out;
}
.tiles summary::after {
  transform: rotate(90deg);
}
.tiles summary:hover {
  color: var(--amber-deep);
}
.tiles details[open] {
  background: var(--amber-deep);
  color: var(--on-ink);
}
.tiles details[open] summary,
.tiles details[open] summary:hover {
  color: var(--on-ink);
}
.tiles details[open] summary::after {
  transform: rotate(0);
}
.tiles p {
  margin: 0;
  padding: 0 24px 24px;
  max-width: 52ch;
  font-size: 18px;
}

/* Store: senza href finché le app non sono pubblicate */
.stores {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.line .stores {
  grid-column: 1 / -1;
  margin: 0 0 24px;
}
.landing .store {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 16px;
  background: var(--paper-muted);
  color: var(--ink);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
}
.store small {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-soft);
}

/* Chiusura */
.line {
  align-items: center;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px 24px;
  margin: clamp(96px, 14vw, 200px) 0 0;
  padding: 0 var(--m) 30px;
  font-size: 16px;
  color: var(--ink-soft);
}
.line p {
  margin: 0;
}
.line .links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.landing .line a {
  color: var(--ink);
  margin: 0;
}
.line .end {
  text-align: right;
}

span.ui-btn {
  cursor: default;
}
.bar nav a,
.line a,
.ui-btn.ghost {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mark {
  min-height: 44px;
}
.landing p {
  text-wrap: pretty;
}
.landing ::selection {
  background: var(--amber-soft);
  color: var(--amber-ink);
}

.cookie-link {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  min-height: 44px;
  font: inherit;
  color: var(--ink);
  text-decoration: underline;
  cursor: pointer;
}
.consent {
  position: fixed;
  z-index: 10;
  right: var(--m);
  bottom: var(--m);
  left: var(--m);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  max-width: 760px;
  margin-inline: auto;
  padding: 16px 20px;
  border-radius: 20px;
  background: var(--ink);
  color: var(--paper);
  font-size: 16px;
  line-height: 1.45;
}
.consent p {
  flex: 1 1 320px;
  margin: 0;
}
.landing .consent a {
  color: var(--paper);
}
.consent-actions {
  display: flex;
  gap: 8px;
}
.consent-actions .ui-btn {
  width: auto;
  min-height: 44px;
  padding: 10px 20px;
}

/* Ingressi: nascosti solo quando app.js è partito */
.ready .rise {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 500ms ease-out,
    transform 500ms cubic-bezier(0.33, 1, 0.68, 1);
}
.ready .rise.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .landing {
    --s1: 8vw;
  }
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .lede {
    display: contents;
  }
  .landing h1 {
    padding-top: 16px;
  }
  .sub {
    margin: 0;
    font-size: 18px;
  }
  .asks {
    order: 1;
    margin: 0;
    padding: 12px 0 0;
  }
  .stage {
    padding: 20px 16px;
  }
  /* Niente pannello fisso: ogni passo ha il suo frammento subito sotto */
  .how {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .steps,
  .how-stage {
    display: contents;
  }
  .steps h2 {
    margin-bottom: 8px;
  }
  .step {
    min-height: 0;
    padding-top: 24px;
  }
  .step h3 {
    color: var(--ink);
  }
  .step:nth-of-type(1) {
    order: 1;
  }
  .frag[data-frag='read'] {
    order: 2;
  }
  .step:nth-of-type(2) {
    order: 3;
  }
  .frag[data-frag='quiz'] {
    order: 4;
  }
  .step:nth-of-type(3) {
    order: 5;
  }
  .frag[data-frag='save'] {
    order: 6;
  }
  .how-stage[data-state] .frag {
    grid-area: auto;
    opacity: 1;
    transform: none;
    visibility: visible;
    max-width: none;
  }
  .plate {
    --row: 72px;
  }
  .plate {
    grid-template-columns: 1fr;
  }
  .notes {
    display: contents;
  }
  .ui-panel {
    order: 0;
  }
  .notes.left h2 {
    order: -1;
    min-height: 0;
    text-align: left;
  }
  .mnote {
    order: var(--r);
    min-height: 0;
    max-width: none;
    text-align: left;
  }
  .notes.left .mnote {
    margin-left: 0;
  }
  .keeplet {
    grid-template-columns: 1fr;
  }
  .faq {
    grid-template-columns: 1fr;
  }
  .faq h2 {
    position: static;
  }
  .tiles {
    gap: 6px;
  }
  .tiles summary {
    min-height: 64px;
    font-size: 18px;
    padding: 14px 20px;
  }
  .tiles p {
    padding: 0 20px 20px;
    font-size: 16px;
  }
}

@media (max-width: 760px) {
  .landing .store {
    flex: 1;
    flex-direction: column;
    gap: 0;
    padding: 8px 12px;
  }
  .bar {
    gap: 8px;
  }
  .mark span {
    position: absolute;
    width: 1px;
    height: 1px; /* taste-skill-ignore: testo nascosto per gli screen reader */
    overflow: hidden;
    clip-path: inset(50%);
  }
  .bar nav {
    gap: 8px;
    font-size: 14px;
    white-space: nowrap;
  }
  .mark {
    font-size: 22px;
  }
  .line {
    grid-template-columns: 1fr;
  }
  .line .end {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ready .rise,
  .how-stage[data-state] .frag {
    transform: none;
  }
  .ui-card.enter {
    animation-name: fade;
  }
  @keyframes fade {
    from {
      opacity: 0;
    }
  }
  .ui-btn:active:not(:disabled) {
    transform: none;
  }
}