/* Rufi — landing "Quanto stai perdendo". Mobile-first. */
:root {
  --bg: #0f1216;
  --surface: #171b21;
  --surface-2: #1e242c;
  --text: #f2f5f8;
  --muted: #9aa6b2;
  --primary: #34d399; /* verde Rufi */
  --primary-ink: #05271b;
  --accent: #60a5fa;
  --danger: #f87171;
  --border: #2a323c;
  --radius: 16px;
  --tap: 52px; /* > 44px minimo */
  --maxw: 560px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-2: #eef2f6;
    --text: #10151b;
    --muted: #5b6672;
    --primary-ink: #05271b;
    --border: #dde3ea;
  }
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.app {
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  padding: max(16px, env(safe-area-inset-top)) 16px
    max(16px, env(safe-area-inset-bottom));
}
.screen {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 8px 4px 32px;
}

/* tipografia */
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}
.hero-title {
  font-size: clamp(1.6rem, 6vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0;
}
.q-title {
  font-size: clamp(1.3rem, 5vw, 1.7rem);
  font-weight: 700;
  margin-top: 8px;
}
.q-hint {
  margin: -6px 0 4px;
  font-size: 0.95rem;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--primary);
}

/* bottoni */
.btn {
  font: inherit;
  font-weight: 600;
  min-height: var(--tap);
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.06s ease,
    filter 0.15s ease,
    background 0.15s ease;
  touch-action: manipulation;
}
.btn:active {
  transform: translateY(1px);
}
.btn-lg {
  font-size: 1.1rem;
  min-height: 56px;
  width: 100%;
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-ink);
}
.btn-primary[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-round {
  min-height: 48px;
  min-width: 48px;
  padding: 0;
  font-size: 1.5rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 12px;
}

/* opzioni quiz */
.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.option {
  text-align: left;
  min-height: var(--tap);
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
}
.option::before {
  content: "";
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 2px solid var(--border);
  transition: all 0.12s ease;
}
.option[role="checkbox"]::before {
  border-radius: 6px;
}
.option.selected {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
}
.option.selected::before {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: inset 0 0 0 4px var(--surface);
}

/* stepper figli */
.children {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stepper-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.stepper-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}
.stepper-val {
  min-width: 24px;
  text-align: center;
  font-weight: 700;
  font-size: 1.2rem;
}

/* progress */
.progress {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width 0.25s ease;
}
.step-count {
  margin: -8px 0 0;
}

/* nav */
.nav-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.nav-row .btn-ghost {
  flex: 0 0 auto;
}
.nav-row .btn-primary {
  flex: 1;
}

/* risultato */
.result-topintro {
  margin: 0;
}
.result-number {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
}
.result-number.floor {
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}
.result-intro {
  margin: 0 0 4px;
  font-weight: 600;
}
.big-number {
  font-size: clamp(2.6rem, 12vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--primary);
  line-height: 1;
}
.result-suffix,
.result-floor-body {
  margin: 6px 0 0;
  color: var(--muted);
}
.disclaimer {
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--surface-2);
  border-radius: 12px;
  padding: 10px 14px;
  margin: 0;
}
.risk-box {
  background: color-mix(in srgb, var(--danger) 14%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--border));
  border-radius: var(--radius);
  padding: 14px 16px;
}
.risk-box p {
  margin: 6px 0 0;
  font-size: 0.95rem;
}
.break-title {
  font-size: 1.1rem;
  margin-top: 8px;
}
.breakdown {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.break-row {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.break-row summary {
  list-style: none;
  cursor: pointer;
  min-height: var(--tap);
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}
.break-row summary::-webkit-details-marker {
  display: none;
}
.break-row summary::after {
  content: "＋";
  color: var(--muted);
  font-weight: 400;
}
.break-row[open] summary::after {
  content: "－";
}
.break-amount {
  color: var(--primary);
  font-weight: 800;
  margin-left: auto;
  padding-right: 8px;
}
.break-desc {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* email form */
.email-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 8px;
}
.email-cta {
  margin: 0;
  font-weight: 600;
}
.email-input {
  min-height: var(--tap);
  padding: 12px 14px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.consent-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
}
.consent-box {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  flex: 0 0 auto;
  accent-color: var(--primary);
}
.form-error {
  color: var(--danger);
  font-size: 0.88rem;
  margin: 0;
  min-height: 1em;
}
.privacy-link {
  color: var(--accent);
  text-align: center;
  text-decoration: underline;
}

/* share */
.share-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}
.btn-share {
  width: 100%;
}
.share-toast {
  font-size: 0.85rem;
  color: var(--primary);
  min-height: 1em;
}

/* price test */
.pt-email-confirm {
  font-weight: 700;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0;
}
.pt-intro {
  font-size: 1.05rem;
}
.pt-question {
  font-size: clamp(1.4rem, 6vw, 2rem);
  font-weight: 800;
}
.pt-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* thanks */
.thanks {
  text-align: center;
}
.thanks-emoji {
  font-size: 3rem;
}
.thanks-body {
  color: var(--muted);
  font-size: 1.05rem;
}

/* footer */
.site-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}
.site-footer p {
  margin: 6px 0;
}
.foot-links a {
  color: var(--accent);
}

/* pagina privacy */
.doc {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 4px 48px;
}
.doc h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.doc h2 {
  font-size: 1.2rem;
  margin: 24px 0 8px;
}
.doc a {
  color: var(--accent);
}
.doc ul {
  padding-left: 20px;
}