/* Euly: il minisito. Colori e caratteri da app/docs/design/DESIGN.md (solo tema chiaro, come l'app); la grafica
   (titoli grandi col corsivo bronzo, filetti, curve leggere, icone a linea nei cerchi sabbia) dalle slide
   "Euly – presentazione app" del 12/10. */

@font-face {
  font-family: "Instrument Serif";
  src: url("caratteri/InstrumentSerif_400Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("caratteri/InstrumentSerif_400Regular_Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("caratteri/SourceSerif4_400Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("caratteri/SourceSerif4_400Regular_Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("caratteri/SourceSerif4_600SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --sand: #f4e9da;
  --ivory: #fcf9f4;
  --beige: #eadcc9;
  --beige-soft: #f0dfcb;
  --ink: #1a1714;
  --ink-muted: #6e665c;
  --gold: #d4a75a;
  --bronze: #8c6a3e;
  --bronze-deep: #765833;
  --ombra-card: 0 2px 8px rgba(60, 40, 20, 0.06);
  --ombra-telefono: 0 30px 60px rgba(60, 40, 20, 0.18), 0 8px 18px rgba(60, 40, 20, 0.12);
  --titoli: "Instrument Serif", Georgia, "Times New Roman", serif;
  --testo: "Source Serif 4", Georgia, "Times New Roman", serif;
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--testo);
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
}

.pagina {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}
.largo {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--bronze-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover {
  color: var(--ink);
}
a:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Testata: logo e payoff, come IntestazioneTab dell'app */
.testata {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 28px 0 8px;
  position: relative;
  z-index: 1;
}
.marchio {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.marchio img {
  width: 96px;
  height: auto;
  display: block;
}
.payoff {
  font-family: var(--titoli);
  font-style: italic;
  font-size: 20px;
  line-height: 1.1;
  padding-bottom: 6px;
  white-space: nowrap;
}
.payoff em {
  color: var(--bronze);
}
.menu {
  display: flex;
  gap: 20px;
  padding-bottom: 8px;
  font-size: 15px;
}
.menu a {
  color: var(--ink-muted);
  text-decoration: none;
  padding: 6px 0;
}
.menu a:hover,
.menu a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
}

/* Titoli: la seconda meta' in corsivo bronzo, come le slide */
h1,
h2 {
  font-family: var(--titoli);
  font-weight: 400;
  letter-spacing: -0.01em;
}
h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  margin: 40px 0 22px;
}
h2 {
  font-size: 28px;
  line-height: 1.2;
  margin: 40px 0 10px;
}
h1 em,
h2 em {
  color: var(--bronze);
}
/* la parte in corsivo non si spezza: va a capo intera */
h1 em,
.titolo-sezione em {
  white-space: nowrap;
}
.titolo-sezione {
  font-size: clamp(36px, 5.2vw, 56px);
  line-height: 1.05;
  margin: 0 0 18px;
}
.filetto {
  width: 72px;
  height: 0;
  border: 0;
  border-top: 2px solid var(--bronze);
  margin: 0 0 24px;
  opacity: 0.75;
}
.centrato .filetto,
.prima-griglia .filetto {
  margin-left: auto;
  margin-right: auto;
}
.etichetta {
  font-size: 12px;
  line-height: 16px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 12px;
}
.apertura {
  font-size: 20px;
  line-height: 1.45;
}
p {
  margin: 0 0 14px;
}
ul {
  padding-left: 22px;
  margin: 0 0 14px;
}
li {
  margin-bottom: 8px;
}

/* Card avorio, come quelle dell'app */
.card {
  background: var(--ivory);
  border-radius: 16px;
  box-shadow: var(--ombra-card);
  padding: 22px 22px 10px;
  margin: 0 0 16px;
}
.card h2 {
  margin-top: 0;
}

/* ---------- Home ---------- */

/* Prima schermata: fondo sabbia chiaro con curve bronzo leggere */
.prima {
  position: relative;
  background: linear-gradient(180deg, #faf3ea 0%, var(--ivory) 100%);
  overflow: hidden;
  padding-bottom: 72px;
}
.curve {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.prima-griglia {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.prima-griglia .apertura {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.motto-piccolo {
  font-size: 14px;
  letter-spacing: 0.32em;
  text-transform: lowercase;
  color: var(--ink);
  margin: 0 0 28px;
}
.motto-righe {
  font-family: var(--titoli);
  font-size: clamp(24px, 2.6vw, 30px);
  line-height: 1.3;
  margin: 26px 0 0;
}
.motto-righe em {
  color: var(--bronze);
}

/* I telefoni con gli screenshot veri dell'app */
.telefoni {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0;
  margin: 44px auto 0;
  padding-bottom: 6%;
}
.telefono {
  width: min(260px, 42vw);
  background: #1b1916;
  border-radius: 42px;
  padding: 9px;
  box-shadow: var(--ombra-telefono);
  position: relative;
}
.telefono::before {
  /* l'isola in alto */
  content: "";
  position: absolute;
  top: 17px;
  left: 50%;
  width: 66px;
  height: 18px;
  margin-left: -33px;
  background: #1b1916;
  border-radius: 12px;
  z-index: 2;
}
.telefono img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 33px;
  background: var(--sand);
}
.telefono.dietro {
  transform: rotate(-4deg) translate(9%, 9%);
  z-index: 0;
}
.telefono.davanti {
  transform: rotate(3deg) translate(-9%, 0);
  z-index: 1;
}
.didascalia {
  font-size: 14px;
  color: var(--ink-muted);
  text-align: center;
  margin: 24px 0 0;
}

/* Sezioni */
.sezione {
  padding: 64px 0 8px;
}
.sezione.sabbia {
  background: var(--sand);
  padding-bottom: 56px;
}
.centrato {
  text-align: center;
}
.testo-sezione {
  max-width: 680px;
  margin: 0 auto;
}

/* Le domande: schede con l'icona a linea in un cerchio sabbia (slide 2) */
.domande {
  list-style: none;
  padding: 0;
  margin: 28px auto 0;
  max-width: 1060px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.domande li {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  gap: 14px;
  flex: 1 1 150px;
  max-width: 200px;
  background: var(--ivory);
  border: 1px solid rgba(140, 106, 62, 0.14);
  border-radius: 16px;
  padding: 22px 14px 20px;
  box-shadow: var(--ombra-card);
  font-family: var(--titoli);
  font-size: 24px;
  line-height: 1.15;
}
.cerchio {
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--sand);
  display: grid;
  place-items: center;
}
.cerchio svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.sabbia .cerchio {
  background: var(--beige-soft);
}
.nota-domande {
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin: 22px 0 0;
}

/* Tre pilastri (slide 8): icona in cerchio, titolo, filetto corto, testo */
.pilastri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.pilastro {
  background: var(--ivory);
  border-radius: 16px;
  padding: 28px 22px 18px;
  text-align: center;
  box-shadow: var(--ombra-card);
}
.pilastro .cerchio {
  margin: 0 auto 16px;
  width: 76px;
  height: 76px;
}
.pilastro .cerchio svg {
  stroke: var(--bronze);
}
.pilastro h3 {
  font-family: var(--titoli);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.15;
  margin: 0 0 12px;
}
.pilastro hr {
  width: 32px;
  border: 0;
  border-top: 2px solid var(--bronze);
  opacity: 0.6;
  margin: 0 auto 12px;
}
.pilastro p {
  font-size: 16px;
}

/* Il riquadro della prova */
.invito {
  background: var(--ivory);
  border-radius: 20px;
  box-shadow: var(--ombra-card);
  padding: 32px 32px 18px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.invito h2 {
  margin-top: 0;
  font-size: clamp(30px, 4vw, 40px);
}

/* Il motto in chiusura */
.chiusura {
  text-align: center;
  padding: 72px 0 16px;
}
.chiusura .motto-righe {
  margin: 0 0 18px;
}
.chiusura .motto-piccolo {
  margin: 0;
}

.nota {
  font-size: 15px;
  color: var(--ink-muted);
}

/* Piede */
.piede {
  margin-top: 56px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--beige);
  font-size: 14px;
  color: var(--ink-muted);
}
.piede.centrato nav {
  justify-content: center;
}
.piede nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 8px;
}
.piede a {
  color: var(--ink-muted);
}
.piede a:hover {
  color: var(--ink);
}
.piede p {
  margin: 0;
}

@media (max-width: 900px) {
  .pilastri {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }
  .pagina,
  .largo {
    padding: 0 16px;
  }
  .testata {
    padding-top: 20px;
    justify-content: center;
  }
  .menu {
    width: 100%;
    justify-content: center;
  }
  .marchio img {
    width: 80px;
  }
  .payoff {
    font-size: 18px;
  }
  h1 {
    margin-top: 28px;
  }
  .apertura {
    font-size: 18px;
  }
  .card {
    padding: 18px 18px 6px;
  }
  .telefono {
    border-radius: 30px;
    padding: 6px;
  }
  .telefono::before {
    top: 12px;
    width: 46px;
    height: 13px;
    margin-left: -23px;
  }
  .telefono img {
    border-radius: 25px;
  }
  .domande li {
    max-width: calc(50% - 7px);
    font-size: 21px;
    padding: 18px 10px 16px;
  }
  .cerchio {
    width: 56px;
    height: 56px;
  }
  .invito {
    padding: 24px 20px 12px;
  }
}