/* ===========================================================================
 * AutoSniper — landing page
 * Vanilla CSS, mobile-first, dark/light auto via prefers-color-scheme.
 * WCAG AA: contrast ≥ 4.5 normal text, ≥ 3 large text. Focus visibili.
 * ========================================================================= */

/* Tokens ------------------------------------------------------------------ */
:root {
  --bg:           #ffffff;
  --bg-2:         #f7f8fb;
  --fg:           #0b1220;
  --fg-2:         #4a5468;
  --muted:        #8a93a6;
  --brand:        #2563eb;
  --brand-2:      #6366f1;
  --accent:       #22d3ee;
  --success:      #16a34a;
  --warn:         #f59e0b;
  --danger:       #dc2626;
  --line:         #e3e6ee;
  --line-soft:    #eef0f5;
  --card:         #ffffff;
  --card-elev:    0 2px 4px rgba(11, 18, 32, .04), 0 12px 32px -8px rgba(11, 18, 32, .08);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --content-max: 1140px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
          Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow-soft: 0 1px 2px rgba(11, 18, 32, .06);
  --grad-primary: linear-gradient(135deg, var(--accent) 0%, var(--brand-2) 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0b1220;
    --bg-2:      #111a2e;
    --fg:        #f1f5f9;
    --fg-2:      #cbd5e1;
    --muted:     #94a3b8;
    --line:      #1d2940;
    --line-soft: #16213a;
    --card:      #111a2e;
    --card-elev: 0 2px 4px rgba(0, 0, 0, .3), 0 14px 36px -8px rgba(0, 0, 0, .5);
  }
}

/* Reset minimo ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation-duration: .01ms !important; }
}
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a {
  color: var(--brand);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--brand-2); }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip-link (accessibilità) ---------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--brand);
  color: #fff;
  padding: 12px 16px;
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 100;
}
.skip-link:focus { left: var(--space-4); top: 0; color: #fff; }

/* Layout helpers ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
@media (min-width: 720px) { .container { padding: 0 var(--space-6); } }

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); font-weight: 700; }
.brand-name { font-size: 1.15rem; letter-spacing: -.01em; }
.brand-name.small { font-size: 1rem; }
.nav-links { display: flex; align-items: center; gap: var(--space-6); }
.nav-links a {
  color: var(--fg-2);
  font-weight: 500;
  font-size: .95rem;
}
.nav-links a:hover { color: var(--fg); }
.nav-links .cta-link {
  background: var(--grad-primary);
  color: #0b1220 !important;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-links .login-link {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 600;
  color: var(--fg) !important;
  transition: background .15s, border-color .15s;
}
.nav-links .login-link:hover {
  background: var(--card);
  border-color: color-mix(in srgb, var(--brand-2) 50%, var(--line));
}
@media (max-width: 640px) {
  .nav { gap: var(--space-2); flex-wrap: nowrap; }
  .nav-links { gap: var(--space-2); flex-shrink: 0; }
  .nav-links a:not(.cta-link):not(.login-link) { display: none; }
  .nav-links .cta-link { padding: 7px 12px; font-size: .82rem; white-space: nowrap; }
  .nav-links .login-link { padding: 7px 12px; font-size: .82rem; white-space: nowrap; }
  .brand-name { font-size: .95rem; }
}
@media (max-width: 420px) {
  /* schermi molto piccoli: anche il brand più compatto + cta arrotondata */
  .brand-name { display: none; }
}

/* Hero -------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-16) 0 var(--space-12);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(70% 60% at 20% 20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    radial-gradient(60% 50% at 80% 30%, color-mix(in srgb, var(--brand-2) 16%, transparent), transparent 65%);
  z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 980px) {
  .hero { padding: var(--space-24) 0 var(--space-16); }
  .hero-grid { grid-template-columns: 1.1fr 1fr; gap: var(--space-12); }
}
.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  color: color-mix(in srgb, var(--accent) 80%, var(--fg));
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: var(--space-6);
}
h1 {
  font-size: clamp(2.1rem, 6vw + .5rem, 3.6rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0 0 var(--space-4);
  font-weight: 800;
}
.grad {
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lede {
  font-size: clamp(1.05rem, 1vw + .8rem, 1.25rem);
  color: var(--fg-2);
  max-width: 56ch;
  margin-bottom: var(--space-8);
}
.hero-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-6); }
.trust {
  font-size: .9rem; color: var(--muted);
}

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px;
  font: inherit; font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  min-height: 44px; /* touch target WCAG */
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--grad-primary);
  color: #0b1220;
  box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--brand-2) 70%, transparent);
}
.btn-primary:hover { box-shadow: 0 14px 32px -12px color-mix(in srgb, var(--brand-2) 80%, transparent); color: #0b1220; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--bg-2); }
.btn-block { width: 100%; }

/* Preview card (hero) ----------------------------------------------------- */
.preview-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-elev);
  padding: var(--space-4);
  max-width: 420px;
  margin: 0 auto;
  position: relative;
  transform: rotate(-1deg);
  transition: transform .25s ease, box-shadow .25s ease;
  isolation: isolate;
}
.preview-card::before {
  /* Glow animato gradient — effetto wow */
  content: ""; position: absolute; inset: -2px; z-index: -1;
  border-radius: calc(var(--radius-lg) + 2px);
  background: conic-gradient(from var(--ang, 0deg),
    #6366f1 0%, #22d3ee 30%, #a855f7 60%, #6366f1 100%);
  opacity: .35; filter: blur(14px);
  animation: card-glow 14s linear infinite;
}
@property --ang { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes card-glow {
  to { --ang: 360deg; }
}
@media (prefers-reduced-motion: reduce) {
  .preview-card::before { animation: none; }
}
.preview-card:hover { transform: rotate(0); box-shadow: 0 20px 60px -10px rgba(99,102,241,.35); }
.preview-channels { margin-left: auto; display: inline-flex; gap: 6px; }
.ch-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: color-mix(in srgb, var(--brand-2) 12%, var(--card));
  font-size: .9rem; line-height: 1;
}
.preview-footer-cta {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--line-soft);
  display: flex; align-items: center; gap: 8px;
  font-size: .8rem; color: var(--fg-2);
  line-height: 1.35;
}
.preview-footer-cta strong { color: var(--fg); }
.cta-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-2) 18%, transparent);
  flex-shrink: 0;
}
.preview-header {
  display: flex; align-items: center; gap: 8px;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: var(--space-3);
}
.preview-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 25%, transparent); }
.preview-title { font-weight: 600; font-size: .9rem; }
.preview-time { margin-left: auto; color: var(--muted); font-size: .8rem; }
.preview-pill {
  display: inline-block;
  padding: 4px 10px;
  background: color-mix(in srgb, var(--warn) 20%, transparent);
  color: color-mix(in srgb, var(--warn) 50%, var(--fg));
  border-radius: 999px; font-weight: 700; font-size: .75rem; margin-bottom: var(--space-2);
}
.preview-title-deal { font-weight: 700; font-size: 1.1rem; line-height: 1.2; margin-bottom: var(--space-2); }
.preview-meta { color: var(--fg-2); font-size: .85rem; margin-bottom: var(--space-3); }
.preview-prices { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-2); margin-bottom: var(--space-3); }
.preview-prices > div { background: var(--bg-2); padding: 8px 10px; border-radius: var(--radius-sm); }
.preview-prices .lbl { display: block; font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.preview-prices strong { font-size: 1rem; }
.preview-prices .hi { background: color-mix(in srgb, var(--success) 12%, transparent); }
.preview-score { display: flex; align-items: center; gap: 12px; margin-bottom: var(--space-3); }
.score-bar { flex: 1; height: 8px; background: var(--line-soft); border-radius: 999px; overflow: hidden; }
.score-bar > span { display: block; height: 100%; width: var(--p, 0%); background: var(--grad-primary); }
.score-num { font-weight: 700; font-size: .9rem; }
.preview-foot { color: var(--muted); font-size: .8rem; margin: 0; }

/* Numbers / KPI ----------------------------------------------------------- */
.numbers { padding: var(--space-16) 0; background: var(--bg-2); }
.section-title { font-size: clamp(1.6rem, 2vw + 1rem, 2.4rem); font-weight: 800; letter-spacing: -.015em; margin: 0 0 var(--space-3); }
.section-sub  { color: var(--fg-2); font-size: 1.05rem; margin: 0 0 var(--space-8); max-width: 50ch; }
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) { .kpi-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .kpi-grid { grid-template-columns: repeat(4, 1fr); } }
.kpi {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
}
.kpi-strong { border-color: color-mix(in srgb, var(--brand-2) 30%, var(--line)); }
.kpi-value { font-size: clamp(1.6rem, 2.2vw + .6rem, 2.4rem); font-weight: 800; letter-spacing: -.02em; line-height: 1; margin-bottom: var(--space-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
.kpi-label { color: var(--fg-2); font-size: .95rem; line-height: 1.35; }
.numbers-note { color: var(--muted); font-size: .9rem; margin-top: var(--space-6); }

/* How to ------------------------------------------------------------------ */
.howto { padding: var(--space-16) 0; }
.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 800px) { .steps { grid-template-columns: 1fr 1fr 1fr; gap: var(--space-8); } }
.steps li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-6);
  position: relative;
}
.step-num {
  width: 40px; height: 40px;
  border-radius: 999px;
  background: var(--grad-primary);
  color: #0b1220; font-weight: 800; font-size: 1.1rem;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.steps h3 { margin: 0 0 var(--space-2); font-size: 1.25rem; letter-spacing: -.01em; }
.steps p { margin: 0; color: var(--fg-2); }

/* Why -------------------------------------------------------------------- */
.why { padding: var(--space-16) 0; background: var(--bg-2); }
.why-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .why-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }
.why-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-6);
}
.why-icon { font-size: 1.6rem; margin-bottom: var(--space-3); }
.why-card h3 { margin: 0 0 var(--space-2); font-size: 1.1rem; letter-spacing: -.005em; }
.why-card p { margin: 0; color: var(--fg-2); font-size: .95rem; }

/* Signup form ------------------------------------------------------------ */
.signup { padding: var(--space-16) 0 var(--space-24); }
.signup-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (min-width: 880px) { .signup-grid { grid-template-columns: 1fr 1.1fr; gap: var(--space-12); } }
.signup-bullets { list-style: none; padding: 0; margin: var(--space-6) 0 0; display: grid; gap: var(--space-2); }
.signup-bullets li { display: flex; gap: 10px; color: var(--fg-2); }
.signup-bullets span { color: var(--success); font-weight: 700; }
.signup-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--card-elev);
  display: grid;
  gap: var(--space-4);
}
.form-field { display: grid; gap: 6px; }
.form-field label { font-weight: 600; font-size: .95rem; color: var(--fg); }
.req { color: var(--danger); font-weight: 800; }
input[type="email"], input[type="text"], input[type="tel"], select {
  font: inherit;
  padding: 12px 14px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  width: 100%;
  min-height: 44px;
  line-height: 1.2;
  transition: border-color .12s ease, box-shadow .12s ease;
  appearance: none;
  -webkit-appearance: none;
}
select:disabled { opacity: .55; cursor: not-allowed; }
input[type="email"]:focus, input[type="text"]:focus, input[type="tel"]:focus, select:focus {
  border-color: color-mix(in srgb, var(--brand-2) 60%, var(--line));
}
input[aria-invalid="true"], select[aria-invalid="true"] {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 5%, var(--bg));
}
.hint { color: var(--muted); font-size: .82rem; margin: 0; }
.consent { gap: 0; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-weight: 400; color: var(--fg-2); font-size: .9rem; line-height: 1.4; }
.consent-label input[type="checkbox"] { margin-top: 4px; transform: scale(1.2); }
.form-result {
  font-size: .95rem;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  display: none;
}
.form-result.ok    { display: block; background: color-mix(in srgb, var(--success) 12%, transparent); color: color-mix(in srgb, var(--success) 50%, var(--fg)); border: 1px solid color-mix(in srgb, var(--success) 25%, transparent); }
.form-result.err   { display: block; background: color-mix(in srgb, var(--danger) 12%, transparent); color: color-mix(in srgb, var(--danger) 50%, var(--fg)); border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent); }
.btn-spin {
  display: none; width: 16px; height: 16px; border: 2px solid currentColor;
  border-top-color: transparent; border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn[aria-busy="true"] .btn-label { opacity: .8; }
.btn[aria-busy="true"] .btn-spin  { display: inline-block; }
.legal { color: var(--muted); font-size: .8rem; margin: 0; }

/* Honeypot (campo trappola: visualmente NASCOSTO ma raggiungibile dai bot) */
.honey {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

/* Footer ---------------------------------------------------------------- */
.site-footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-2);
}
.footer-grid {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  justify-content: space-between; align-items: center;
}
.footer-grid p { margin: 0; }
.small { font-size: .9rem; }
.muted { color: var(--muted); }
.site-footer nav a { margin-right: var(--space-4); color: var(--fg-2); }
.site-footer nav a:hover { color: var(--fg); }

/* Mobile sticky CTA ------------------------------------------------------ */
.mobile-cta {
  position: fixed; bottom: env(safe-area-inset-bottom, 0px); left: 0; right: 0;
  display: none;
  padding: 14px 18px;
  background: var(--grad-primary);
  color: #0b1220;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 -8px 24px -10px rgba(11, 18, 32, .4);
  z-index: 40;
}
@media (max-width: 720px) { .mobile-cta { display: block; } }
@media (max-width: 720px) { .signup, .site-footer { padding-bottom: 100px; } }

/* Testimonials marquee --------------------------------------------------- */
.testimonials {
  padding: var(--space-12) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.testimonials-track {
  display: flex;
  gap: var(--space-4);
  width: max-content;
  animation: testimonials-scroll 60s linear infinite;
}
.testimonials-track:hover { animation-play-state: paused; }
.testimonials-row {
  display: flex;
  gap: var(--space-4);
  flex-shrink: 0;
}
.testimonial {
  flex: 0 0 320px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: var(--space-4) var(--space-6);
  box-shadow: 0 1px 3px rgba(11, 18, 32, .04);
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 1.05rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-2);
}
.testimonial-text {
  margin: 0 0 var(--space-3) 0;
  font-size: .95rem;
  line-height: 1.45;
  color: var(--fg);
}
.testimonial-author {
  margin: 0;
  font-size: .85rem;
  color: var(--muted);
  font-weight: 500;
}
@keyframes testimonials-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .testimonials-track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }
  .testimonials-row[aria-hidden="true"] { display: none; }
}

/* Testimonials — mobile tuning (2026-06-05) */
@media (max-width: 720px) {
  .testimonials {
    padding: var(--space-8) 0;
  }
  .testimonials-track {
    gap: var(--space-3);
    animation-duration: 45s;
  }
  .testimonials-row {
    gap: var(--space-3);
  }
  .testimonial {
    flex: 0 0 260px;
    padding: var(--space-3) var(--space-4);
    border-radius: 8px;
  }
  .testimonial-stars {
    font-size: .95rem;
    letter-spacing: 1px;
    margin-bottom: 6px;
  }
  .testimonial-text {
    font-size: .88rem;
    line-height: 1.4;
    margin-bottom: 8px;
  }
  .testimonial-author {
    font-size: .78rem;
  }
}
@media (max-width: 400px) {
  .testimonial {
    flex: 0 0 240px;
  }
}

/* FAQ section ----------------------------------------------------- */
.faq { padding: var(--space-16) 0 var(--space-12); }
.faq-list { max-width: 820px; margin: var(--space-6) auto 0; display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.faq-item[open] { border-color: color-mix(in srgb, var(--brand-2) 35%, var(--line)); box-shadow: 0 6px 18px -8px rgba(99,102,241,.18); }
.faq-item > summary {
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  position: relative;
  padding-right: 3rem;
  user-select: none;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::after {
  content: "+";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--muted);
  transition: transform .2s ease;
}
.faq-item[open] > summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item > p {
  padding: 0 var(--space-5) var(--space-4);
  margin: 0;
  color: var(--fg-2);
  font-size: .94rem;
  line-height: 1.6;
}

/* sr-only (accessibility) ---------------------------------------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Form 2-step progress indicator -------------------------------------- */
.form-step { animation: fade-in .25s ease-out; }
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.step-progress {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: var(--space-3);
}
.step-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--line);
  transition: background .2s ease, transform .2s ease;
}
.step-dot.active {
  background: var(--brand-2);
  transform: scale(1.15);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand-2) 18%, transparent);
}
.step-dot.done {
  background: var(--success);
}
.step-line {
  flex: 1; height: 2px; background: var(--line); border-radius: 2px;
  transition: background .2s ease;
}
.step-line.done { background: var(--success); }
.step-label {
  font-size: .82rem; color: var(--muted); margin: 0 0 var(--space-4);
}

/* Exit-intent modal ----------------------------------------------------- */
.exit-modal { position: fixed; inset: 0; z-index: 100; display: block; }
.exit-modal[hidden] { display: none; }
.exit-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(11, 18, 32, .6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fade-in-overlay .2s ease-out;
}
@keyframes fade-in-overlay { from { opacity: 0; } to { opacity: 1; } }
.exit-modal-card {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% - 32px);
  max-width: 480px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px -16px rgba(11, 18, 32, .4);
  padding: var(--space-8) var(--space-6) var(--space-6);
  animation: pop-in .25s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-align: center;
}
@keyframes pop-in {
  from { transform: translate(-50%, -50%) scale(.92); opacity: 0; }
  to   { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}
.exit-modal-icon {
  font-size: 3rem; margin-bottom: var(--space-3);
}
.exit-modal-card h3 {
  font-size: 1.3rem; margin: 0 0 var(--space-3);
  line-height: 1.25;
}
.exit-modal-card p { color: var(--fg-2); font-size: .95rem; line-height: 1.5; }
.exit-modal-close {
  position: absolute; top: 12px; right: 14px;
  background: transparent; border: none;
  font-size: 1.8rem; line-height: 1;
  color: var(--muted); cursor: pointer;
  width: 36px; height: 36px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.exit-modal-close:hover { background: var(--bg-2); color: var(--fg); }
.exit-modal-legal { font-size: .78rem; color: var(--muted); margin-top: var(--space-3); }
@media (max-width: 480px) {
  .exit-modal-card { padding: var(--space-6) var(--space-4) var(--space-4); }
  .exit-modal-icon { font-size: 2.4rem; }
  .exit-modal-card h3 { font-size: 1.1rem; }
}

/* Sticky CTA hide-on-form-visible (CRO 1) */
@media (max-width: 720px) {
  .mobile-cta.hidden {
    transform: translateY(120%);
    transition: transform .25s ease-out;
  }
  .mobile-cta { transition: transform .25s ease-out; }
}

/* =========================================================================
 * 2026-06-15 — post-CRO hardening (P1+P2+SA7+C1+S2)
 * ========================================================================= */

/* P1 — hero LCP CLS guard: riserva spazio per la variante hero più alta
 * (3 righe di clamp-h1) per evitare shift quando applyHeroVariant() riscrive
 * innerHTML al DOMContentLoaded. */
.hero-text h1 {
  min-height: calc(1.05em * 3);
}
@media (min-width: 980px) {
  .hero-text h1 { min-height: calc(1.05em * 3); }
}

/* P2 — content-visibility sui blocchi below-the-fold per saltare style/layout/
 * paint finché non entrano in viewport. Stima −30/−50 ms su CPU low-end.
 * NOTA: .signup ESCLUSO — è il target dell'IntersectionObserver dello sticky
 * CTA (CRO 1), serve geometry stabile a partire da before-fold. */
.howto, .why, .testimonials, .faq, .site-footer {
  content-visibility: auto;
  contain-intrinsic-size: 600px;
}

/* C1 — microcopy reassurance sotto submit form: ridurre ansia
 * di pagamento/vincolo prima del commit. */
.reassurance {
  margin: var(--space-3) 0 0;
  text-align: center;
  font-size: .85rem;
  color: var(--fg-2);
  letter-spacing: .01em;
}

/* S2 — footer multi-column con internal-linking SEO. */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-8); }
}
.footer-grid nav { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-grid nav a { color: var(--fg-2); text-decoration: none; font-size: .9rem; }
.footer-grid nav a:hover { color: var(--brand); text-decoration: underline; }
.footer-h {
  display: block;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: var(--space-1);
  font-weight: 700;
}

/* SA7 — contrasto muted-feature WCAG AA (4.5:1+) e affordance non-color */
:root { --muted: #6b7280; }
@media (prefers-color-scheme: dark) {
  :root { --muted: #9aa3b5; }
}
.plan-features li.muted-feature {
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent);
}
.plan-features li.muted-feature::before { content: "✗ "; color: var(--muted); }

/* =========================================================================
 * Calcolatore margine-rivendita — risultato + lead-gate
 * (estratto da inline 2026-06-15 per CSP `script-src 'self'`)
 * ========================================================================= */
.calc-loading {
  margin: 0;
  color: var(--fg-2);
  font-size: 1rem;
  text-align: center;
  padding: var(--space-4) 0;
}
.calc-result-h3 { margin: 0 0 var(--space-2); font-size: 1.2rem; }
.calc-stima { font-size: 2rem; font-weight: 800; line-height: 1.1; }
.calc-result-hint {
  font-size: .85rem;
  color: var(--muted);
  margin: var(--space-3) 0 0;
}
.calc-margin-box {
  margin: var(--space-4) 0;
  padding: var(--space-4);
  background: var(--bg-2);
  border-radius: var(--radius);
}
.calc-margin-label {
  font-size: .82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}
.calc-margin-value { font-size: 1.8rem; font-weight: 700; }
.calc-margin-range { font-size: .9rem; color: var(--fg-2); margin-top: 4px; }

.calc-lead-form {
  margin-top: var(--space-5);
  padding: var(--space-5);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.calc-lead-title { margin: 0 0 var(--space-2); font-weight: 700; font-size: 1.02rem; }
.calc-lead-sub { margin: 0 0 var(--space-4); color: var(--fg-2); font-size: .92rem; }
.calc-lead-row {
  /* Layout stack su tutti i breakpoint: input pieno-larghezza, poi bottone
   * pieno-larghezza sotto. Niente overlap input-button mai. */
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
@media (min-width: 540px) {
  /* Su tablet+ desktop, side-by-side ma con gap generoso */
  .calc-lead-row { flex-direction: row; align-items: stretch; }
}
.calc-lead-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-2);
  color: var(--fg);
  font: inherit;
}
.calc-lead-input:focus {
  outline: 2px solid color-mix(in srgb, var(--brand) 60%, transparent);
  outline-offset: 1px;
}
.calc-lead-btn {
  flex: 0 0 auto;
  white-space: nowrap;
  min-width: 160px;
}
@media (max-width: 539px) {
  /* Su mobile il bottone è pieno-width per touch-target ≥44px */
  .calc-lead-btn { width: 100%; }
}
.honey-input {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
}

/* CTA promo strumento gratuito (calcolatore) nella sezione "Come funziona" */
.tool-promo {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--brand) 6%, var(--bg-2)),
    color-mix(in srgb, var(--brand-2) 4%, var(--bg-2)));
  border: 1px solid color-mix(in srgb, var(--brand-2) 30%, var(--line));
  border-radius: 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: center;
}
@media (max-width: 720px) {
  .tool-promo { grid-template-columns: 1fr; text-align: center; }
}
.tool-promo-icon { font-size: 2.2rem; line-height: 1; }
.tool-promo-title { margin: 0 0 4px; font-size: 1.05rem; }
.tool-promo-sub { margin: 0; color: var(--fg-2); font-size: .92rem; line-height: 1.4; }
.tool-promo-cta { white-space: nowrap; }
@media (max-width: 720px) {
  .tool-promo-cta { width: 100%; justify-content: center; }
}