/* phortable — sito pubblico. Stile "Terra", sempre tema chiaro. */

:root {
  /* Il sito è sempre chiaro: senza questo, Chrome su Android (e altri browser
     col tema scuro automatico) inverte i colori della pagina da solo quando
     il telefono è in modalità scura. */
  color-scheme: light only;

  --bg: #fbfaf8;
  --ink: #1b1a18;
  --muted: #5d5a54;
  --muted-2: #8a867e;
  --muted-3: #a39f97;
  --line: #ebe8e2;
  --line-2: #e3e0da;
  --surface: #f3f0eb;
  --surface-2: #f0ede7;
  --card: #ffffff;
  --accent: #c2410c;
  --accent-tint: #fbeee6;
  --accent-ink: #9a330a;

  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --shadow-float: 0 18px 40px -12px rgba(40, 25, 10, 0.28);
  --radius-field: 10px;
  --radius-card: 16px;
  --font: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, p {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .wrap {
    padding: 0 32px;
  }
}

/* ── Logo ── */
/* Scritta "phortable." in minuscolo con il punto arancione: è testo vero, non
   un'immagine. L'icona "esposimetro" non si usa mai nella pagina (solo favicon). */
.logo {
  --logo-size: 22px;
  font-size: var(--logo-size);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1;
  white-space: nowrap;
  color: var(--ink);
  padding: 6px;
  margin: -6px;
  border-radius: 8px;
}
.logo__dot {
  color: var(--accent);
}

/* ── Bottoni ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-field);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 100ms var(--ease-out), background-color 150ms var(--ease-out), filter 150ms var(--ease-out);
}
.btn:active:not(.is-disabled) {
  transform: scale(0.97);
}
.btn--lg {
  min-height: 52px;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 16px;
}
.btn--block {
  width: 100%;
}
.btn--accent {
  background: var(--accent);
  color: #fff;
}
.btn--accent:hover {
  filter: brightness(1.06);
}
.btn--soft {
  background: var(--surface-2);
  color: var(--ink);
  font-weight: 500;
}
.btn--soft:hover {
  background: var(--line);
}
.btn--dark {
  background: var(--ink);
  color: var(--bg);
}
.btn--dark:hover {
  background: #33312d;
}
.btn--white {
  background: #fff;
  color: var(--accent);
}
.btn.is-disabled {
  cursor: default;
  opacity: 0.45;
}

.kicker {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--accent-tint);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 600;
  vertical-align: middle;
}
.tag--solid {
  background: var(--accent);
  color: #fff;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: transparent;
  transition: background-color 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.site-header.is-filled {
  background: rgba(251, 250, 248, 0.94);
  box-shadow: 0 1px 0 var(--line);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
}
.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 1440px;
  height: 68px;
  margin: 0 auto;
  padding: 0 20px;
}
.site-nav {
  display: flex;
  gap: 4px;
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 12px;
  border-radius: var(--radius-field);
  font-size: 15px;
  color: var(--muted);
  transition: color 150ms, background-color 150ms;
}
.site-nav a:hover {
  color: var(--ink);
  background: var(--surface-2);
}
.site-nav__download {
  display: none !important;
}
.menu-btn {
  display: none;
  margin-left: auto;
  height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius-field);
  background: var(--surface-2);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}

@media (min-width: 768px) {
  .site-header__inner {
    padding: 0 32px;
  }
}
@media (min-width: 1024px) {
  .site-header__inner {
    padding: 0 56px;
  }
}

@media (max-width: 767px) {
  .menu-btn {
    display: inline-flex;
    align-items: center;
  }
  .site-nav {
    position: absolute;
    top: calc(100% + 4px);
    right: 20px;
    left: 20px;
    flex-direction: column;
    gap: 2px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: var(--card);
    box-shadow: var(--shadow-float);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.98);
    transform-origin: top right;
    transition: opacity 150ms var(--ease-out), transform 220ms var(--ease-out), visibility 0s linear 220ms;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 150ms var(--ease-out), transform 220ms var(--ease-out);
  }
  .site-nav a {
    height: 46px;
    color: var(--ink);
  }
  .site-nav__download {
    display: inline-flex !important;
    color: var(--accent) !important;
    font-weight: 600;
  }
}

/* ── Apertura ── */
.hero {
  display: grid;
  gap: 32px;
  padding: 8px 20px 56px;
}
.hero__text {
  order: 2;
}
.hero__visual {
  order: 1;
}
.hero__title {
  margin-top: 12px;
  font-size: clamp(38px, 10.5vw, 76px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.hero__lead {
  margin-top: 18px;
  max-width: 34ch;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.45;
  color: var(--muted);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.hero__stores {
  display: none;
}
.hero__note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted-2);
}

.hero__visual {
  position: relative;
  border-radius: 24px;
  background: var(--surface);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.hero__screen {
  position: absolute;
  left: 8%;
  top: 10%;
  width: 118%;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-float);
  border: 1px solid var(--line);
  background: var(--card);
}
.hero__phone {
  position: absolute;
  left: 4%;
  bottom: -18%;
  width: 30%;
  max-width: 230px;
  border-radius: 22px;
  overflow: hidden;
  border: 5px solid var(--ink);
  box-shadow: var(--shadow-float);
  background: var(--card);
}

@media (max-width: 1023px) {
  .hero__screen {
    display: none;
  }
  .hero__phone {
    left: 50%;
    top: 9%;
    bottom: auto;
    width: 46%;
    max-width: 250px;
    transform: translateX(-50%);
  }
}

@media (max-width: 767px) {
  .hero__actions .hero__browser {
    display: none;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .hero__stores {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 8px;
  }
  .hero__stores .btn {
    min-height: 44px;
    padding: 0 8px;
    font-size: 14px;
  }
}

@media (min-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
    gap: 0;
    min-height: calc(100svh - 68px);
    padding: 0;
    margin-top: -68px;
  }
  .hero__text {
    order: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 120px 56px 64px;
  }
  .hero__visual {
    order: 2;
    aspect-ratio: auto;
    border-radius: 0;
    min-height: 640px;
  }
  .hero__screen {
    left: 30%;
    top: 14%;
    width: 150%;
  }
  .hero__phone {
    left: 7%;
    bottom: 8%;
    width: 30%;
    max-width: 240px;
    border-radius: 28px;
    border-width: 6px;
  }
}

/* ── Sezioni ── */
.section {
  padding: 72px 0;
}
.section--tight {
  padding: 16px 0;
}
.section__title {
  margin-top: 8px;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.04em;
}
.section__title--sm {
  font-size: clamp(28px, 3.6vw, 38px);
}

@media (min-width: 1024px) {
  .section {
    padding: 104px 0;
  }
}

/* Funzioni */
.features {
  display: grid;
  gap: 28px;
  margin-top: 36px;
}
.features__list {
  display: flex;
  flex-direction: column;
}
.feature {
  display: block;
  width: 100%;
  padding: 16px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: none;
  text-align: left;
  cursor: pointer;
}
.feature__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--muted-2);
  transition: color 150ms;
}
.feature__text {
  display: grid;
  grid-template-rows: 0fr;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  overflow: hidden;
  transition: grid-template-rows 280ms var(--ease-out), margin 280ms var(--ease-out);
}
.feature__text > span {
  min-height: 0;
  overflow: hidden;
}
.feature[aria-selected='true'] .feature__title,
.feature:hover .feature__title {
  color: var(--ink);
}
.feature[aria-selected='true'] .feature__text {
  grid-template-rows: 1fr;
  margin-top: 6px;
}
.feature--soon {
  cursor: default;
}
.feature--soon .feature__title {
  color: var(--muted-3);
}
.shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(40, 25, 10, 0.05);
}
.shot img {
  width: 100%;
  transition: opacity 200ms var(--ease-out);
}
.shot img.is-swapping {
  opacity: 0.2;
}

@media (min-width: 1024px) {
  .features {
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 48px;
  }
  .feature {
    padding: 18px 0;
  }
}

/* Tre passi */
.steps-card {
  padding: 36px 24px;
  border-radius: 22px;
  background: var(--surface);
}
.steps {
  display: grid;
  gap: 28px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}
.step__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.step__title {
  margin-top: 16px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.step__text {
  margin-top: 6px;
  font-size: 15px;
  color: var(--muted);
}
@media (min-width: 768px) {
  .steps-card {
    padding: 48px;
  }
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
  }
}

/* Contratti (scuro) */
.dark-card {
  display: grid;
  gap: 28px;
  padding: 36px 24px;
  border-radius: 22px;
  background: var(--ink);
  color: var(--bg);
}
.dark-card__title {
  margin-top: 14px;
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--bg);
}
.dark-card__text {
  margin-top: 14px;
  max-width: 46ch;
  font-size: 16px;
  color: rgba(251, 250, 248, 0.72);
}
.dark-card__ways {
  display: grid;
  gap: 10px;
  align-content: center;
}
.way {
  padding: 18px 20px;
  border-radius: 14px;
  background: rgba(251, 250, 248, 0.07);
}
.way__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--bg);
}
.way__text {
  margin-top: 4px;
  font-size: 14.5px;
  color: rgba(251, 250, 248, 0.68);
}
@media (min-width: 1024px) {
  .dark-card {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    padding: 48px;
  }
}

/* Download */
.download-head {
  display: flex;
  align-items: flex-end;
  gap: 18px;
}
.platforms {
  display: grid;
  gap: 12px;
  margin-top: 36px;
}
.platform {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: 18px;
  background: var(--surface);
}
.platform__kicker {
  font-size: 13.5px;
  color: var(--muted-2);
}
.platform__title {
  margin-top: 2px;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.platform__text {
  flex: 1;
  margin: 10px 0 22px;
  font-size: 15px;
  color: var(--muted);
}
.platform--accent {
  background: var(--accent);
  color: #fff;
}
.platform--accent .platform__kicker,
.platform--accent .platform__text {
  color: rgba(255, 255, 255, 0.82);
}
@media (min-width: 900px) {
  .platforms {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Domande */
.faq-wrap {
  display: grid;
  gap: 24px;
}
.faq__item {
  border-bottom: 1px solid var(--line);
}
.faq__item h3 {
  font-size: inherit;
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 64px;
  padding: 14px 0;
  border: 0;
  background: none;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
}
.faq__toggle {
  position: relative;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--surface-2);
}
.faq__toggle::before,
.faq__toggle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: transform 220ms var(--ease-out);
}
.faq__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq__q[aria-expanded='true'] .faq__toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 280ms var(--ease-out);
}
.faq__a > p {
  overflow: hidden;
  max-width: 62ch;
  font-size: 15.5px;
  color: var(--muted);
}
.faq__q[aria-expanded='true'] + .faq__a,
h3:has(.faq__q[aria-expanded='true']) + .faq__a {
  grid-template-rows: 1fr;
}
.faq__q[aria-expanded='true'] ~ .faq__a > p,
h3:has(.faq__q[aria-expanded='true']) + .faq__a > p {
  padding-bottom: 20px;
}
@media (min-width: 1024px) {
  .faq-wrap {
    grid-template-columns: 1fr 1.5fr;
    gap: 56px;
  }
  .faq-wrap .section__title {
    font-size: 40px;
  }
}

/* ── Footer ── */
.site-footer {
  background: var(--surface);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px calc(28px + env(safe-area-inset-bottom));
}
.site-footer__copy {
  font-size: 14px;
  color: var(--muted-3);
}
.site-footer__links {
  display: flex;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}
.site-footer__links a:hover {
  color: var(--ink);
}
@media (min-width: 768px) {
  .site-footer__inner {
    padding: 28px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
  }
}