:root {
  --bg: #eef1f3;
  --bg-elevated: #ffffff;
  --text: #1a1d1f;
  --text-muted: #667085;
  --border: #e4e7eb;
  --primary: #1f9d6d;
  --primary-dark: #157a54;
  --primary-bg: rgba(31, 157, 109, 0.1);
  --shadow: rgba(20, 40, 30, 0.08) 0 10px 25px -5px, rgba(20, 40, 30, 0.06) 0 4px 6px -2px;

  --medical: #2563eb;
  --medical-light: #60a5fa;
  --medical-dark: #1d4ed8;
  --medical-bg: rgba(37, 99, 235, 0.08);
  --medical-gradient: linear-gradient(135deg, var(--medical-light), var(--medical-dark));

  --achievement: #d97706;
  --achievement-bg: rgba(217, 119, 6, 0.12);
  --achievement-gradient: linear-gradient(135deg, #fbbf24, #d97706);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --sans: 'Segoe UI', system-ui, Roboto, sans-serif;

  /* La landing resta sempre a tema chiaro, indipendentemente dalle
     preferenze di sistema del visitatore: è lo sfondo con cui si
     presenta l'app, non l'interfaccia d'uso quotidiano (che invece
     nell'app segue le preferenze del sistema). */
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  font: 16px/1.55 var(--sans);
  color: var(--text);
  background: var(--bg-elevated);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0;
  color: var(--text);
}

p {
  margin: 0;
  color: var(--text-muted);
}

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

.icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 16px;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
  min-width: 0;
}

.nav-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  flex-shrink: 0;
}

.nav-brand-text {
  min-width: 0;
}

@media (max-width: 480px) {
  .nav-brand-text {
    display: none;
  }

  .nav-inner {
    padding: 14px 16px;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-login {
    font-size: 13px;
    padding: 7px 12px;
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-login {
  flex-shrink: 0;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  white-space: nowrap;
}

.nav-login:hover,
.nav-login-active {
  color: var(--primary-dark);
  border-color: var(--primary);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 64px 24px 56px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(closest-side, var(--primary-bg), transparent);
  z-index: -1;
}

.hero-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-bg);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.hero h1 {
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-line {
  display: block;
}

.hero-lead {
  font-size: 17px;
  max-width: 520px;
}

.cta-note {
  font-size: 12px;
  color: var(--text-muted);
}

.cta-note a {
  color: var(--text-muted);
  text-decoration: underline;
}

.cta-note a:hover {
  color: var(--primary-dark);
}

.cta-note-band {
  color: rgba(255, 255, 255, 0.75);
}

.cta-note-band a {
  color: rgba(255, 255, 255, 0.9);
}

.cta-note-band a:hover {
  color: #fff;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 6px;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.hero-trust-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-trust-icon-primary {
  background: var(--primary-bg);
  color: var(--primary);
}

.hero-trust-icon-achievement {
  background: var(--achievement-bg);
  color: var(--achievement);
}

.hero-trust-icon-medical {
  background: var(--medical-bg);
  color: var(--medical);
}

.hero-trust-icon .icon {
  width: 16px;
  height: 16px;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: clamp(22px, 7.6vw, 30px);
  }

  .hero-trust {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin: 4px auto 0;
    width: fit-content;
  }
}

/* ---------- Sections ---------- */
.section {
  padding: 64px 24px;
}

.section-alt {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-gray {
  background: var(--bg);
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.section h2 {
  font-size: 28px;
  text-wrap: balance;
}

@media (max-width: 480px) {
  .section h2 {
    font-size: 24px;
  }
}

.section-lead {
  margin-top: 8px;
  font-size: 16px;
  margin-bottom: 40px;
}

/* ---------- Accordion (Come funziona / Installala) ---------- */
.accordion {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: left;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
  max-height: 92px;
  overflow: hidden;
  cursor: pointer;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), background 0.35s ease;
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-item:hover,
.accordion-item:focus-within,
.accordion-item.is-active {
  max-height: 320px;
  background: var(--accent-bg);
}

.accordion-item-lg:hover,
.accordion-item-lg:focus-within,
.accordion-item-lg.is-active {
  max-height: 480px;
}

.accordion-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
}

.accordion-head h3 {
  flex: 1;
  min-width: 0;
  font-size: 17px;
}

.accordion-chevron {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform 0.35s ease, color 0.35s ease;
}

.accordion-item:hover .accordion-chevron,
.accordion-item:focus-within .accordion-chevron,
.accordion-item.is-active .accordion-chevron {
  transform: rotate(90deg);
  color: var(--accent-dark);
}

.accordion-body {
  padding: 0 24px 26px 88px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.35s ease 0.05s, transform 0.35s ease 0.05s;
}

.accordion-item:hover .accordion-body,
.accordion-item:focus-within .accordion-body,
.accordion-item.is-active .accordion-body {
  opacity: 1;
  transform: none;
}

.accordion-body p {
  font-size: 14px;
}

.accordion-item-lg .accordion-body {
  padding-left: 24px;
}

@media (max-width: 600px) {
  .accordion-body {
    padding-left: 24px;
  }
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon-primary {
  background: var(--primary-bg);
  color: var(--primary);
}

.feature-icon-medical {
  background: var(--medical-bg);
  color: var(--medical);
}

.feature-icon-achievement {
  background: var(--achievement-bg);
  color: var(--achievement);
}

/* ---------- Slider ---------- */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.slider::-webkit-scrollbar {
  display: none;
}

.slide {
  scroll-snap-align: center;
  flex: 0 0 240px;
  min-width: 0;
  background: var(--bg-elevated);
  border: 2px solid transparent;
  background:
    linear-gradient(var(--bg-elevated), var(--bg-elevated)) padding-box,
    var(--medical-gradient) border-box;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: left;
  box-shadow: var(--shadow);
}

.slide-highlight {
  background:
    linear-gradient(var(--bg-elevated), var(--bg-elevated)) padding-box,
    var(--achievement-gradient) border-box;
}

.slide-day {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--medical-dark);
  margin-bottom: 8px;
}

.slide-highlight .slide-day {
  color: var(--achievement);
}

.slide p {
  font-size: 14px;
  color: var(--text);
}

.slider-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.slider-btn:hover {
  color: var(--primary-dark);
  border-color: var(--primary);
}

.slider-btn .icon {
  width: 18px;
  height: 18px;
}

@media (max-width: 600px) {
  .slider-btn {
    display: none;
  }
}

.sources {
  margin-top: 32px;
  text-align: center;
}

.sources-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.sources-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.sources-links a {
  font-size: 12px;
  font-weight: 600;
  color: var(--medical-dark);
  background: var(--medical-bg);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.sources-links a:hover {
  background: var(--medical);
  color: #fff;
}

/* ---------- Install steps (dentro l'accordion) ---------- */
.install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.install-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text);
}

.install-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-bg, var(--primary-bg));
  color: var(--accent-dark, var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
}

.install-icon .icon {
  width: 18px;
  height: 18px;
}

.install-text {
  min-width: 0;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 64px 24px;
  text-align: center;
}

.cta-band-inner {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cta-band h2 {
  color: #fff;
  font-size: 26px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 8px;
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--primary-dark);
}

.cta-band .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* ---------- Footer ---------- */
.footer {
  padding: 40px 24px 32px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  margin: 0 auto 14px;
}

.footer-tagline {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.footer-disclaimer {
  font-size: 12px;
}

.footer-legal {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: underline;
}

.footer-legal a:hover {
  color: var(--primary-dark);
}

/* ---------- Pagina legale (Privacy) ---------- */
.legal-page {
  text-align: left;
}

.legal-inner {
  max-width: 720px;
  text-align: left;
}

.legal-back {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
}

.legal-back:hover {
  color: var(--primary-dark);
}

.legal-page h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.legal-updated {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.legal-page h2 {
  font-size: 19px;
  margin-top: 32px;
  margin-bottom: 10px;
}

.legal-page p {
  margin-bottom: 12px;
}

.legal-page ul {
  margin: 0 0 12px;
  padding-left: 20px;
}

.legal-page li {
  margin-bottom: 6px;
}

.legal-page a {
  color: var(--medical-dark);
}

/* ---------- Form di contatto ---------- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 28px;
  max-width: 520px;
}

.contact-form-row {
  display: flex;
  gap: 16px;
}

.contact-form-row label {
  flex: 1;
  min-width: 0;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  font: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-form textarea {
  resize: vertical;
  font-family: var(--sans);
}

.contact-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-consent {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 10px !important;
  font-size: 13px !important;
  font-weight: 400 !important;
  color: var(--text-muted) !important;
}

.contact-consent input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.contact-consent a {
  color: var(--text-muted);
  text-decoration: underline;
}

.contact-consent a:hover {
  color: var(--primary-dark);
}

.contact-feedback {
  font-size: 14px;
  font-weight: 600;
  min-height: 20px;
}

.contact-feedback-ok {
  color: var(--primary-dark);
}

.contact-feedback-error {
  color: #dc2626;
}

@media (max-width: 480px) {
  .contact-form-row {
    flex-direction: column;
  }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: opacity 0.6s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

.accordion-item.reveal:nth-of-type(1) { transition-delay: 0s; }
.accordion-item.reveal:nth-of-type(2) { transition-delay: 0.12s; }
.accordion-item.reveal:nth-of-type(3) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-inner > * {
    animation: none !important;
    opacity: 1 !important;
  }
}

/* ---------- Hero entrance (al caricamento, non allo scroll) ---------- */
@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-inner > * {
  opacity: 0;
  animation: heroIn 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}

.hero-inner > *:nth-child(1) { animation-delay: 0.05s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.15s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.28s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.4s; }
.hero-inner > *:nth-child(5) { animation-delay: 0.5s; }