/* =========================================================
   Acustica Medica — Foglio di stile
   Mobile-first, accessibile, palette medical-friendly
   ========================================================= */

:root {
  --color-primary: #1a5f7a;
  --color-primary-dark: #0e3f53;
  --color-accent: #57c5b6;
  --color-accent-dark: #2e9c8c;
  --color-bg: #ffffff;
  --color-bg-soft: #f3f8fa;
  --color-bg-alt: #e8f4f8;
  --color-text: #18222b;
  --color-text-muted: #4a5b66;
  --color-border: #d6e3ea;
  --color-danger: #c0392b;
  --color-success: #1f8a4c;

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

  --shadow-sm: 0 1px 2px rgba(20, 40, 60, 0.06), 0 2px 6px rgba(20, 40, 60, 0.06);
  --shadow-md: 0 6px 18px rgba(20, 40, 60, 0.10);
  --shadow-lg: 0 18px 40px rgba(20, 40, 60, 0.16);

  --container: 1140px;

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
}

/* ---- Reset minimo ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-dark); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--color-primary); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; font-family: var(--font-body); }

p { margin: 0 0 1em; }

/* Skip link per accessibilità */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: .6em 1em;
  z-index: 100;
}
.skip-link:focus { left: 1em; top: 1em; }

/* Focus visibili su tutti gli elementi interattivi */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 .6em;
}

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  color: inherit;
}
.brand-mark { display: inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-display); font-size: 1.15rem; color: var(--color-primary-dark); }
.brand-text small { font-size: .78rem; color: var(--color-text-muted); }

.primary-nav ul {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.primary-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: .4rem .2rem;
  border-bottom: 2px solid transparent;
}
.primary-nav a:hover { color: var(--color-primary-dark); border-color: var(--color-accent); }
.primary-nav .nav-cta {
  background: var(--color-primary);
  color: #fff;
  padding: .55rem 1rem;
  border-radius: 999px;
  border: 0;
  letter-spacing: .02em;
}
.primary-nav .nav-cta:hover { background: var(--color-primary-dark); color: #fff; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  padding: 8px;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}

@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform-origin: top;
    transform: scaleY(0);
    transition: transform .2s ease;
  }
  .primary-nav.open { transform: scaleY(1); }
  .primary-nav ul {
    flex-direction: column;
    gap: 0;
    padding: .5rem 1rem 1rem;
    align-items: stretch;
  }
  .primary-nav a {
    padding: .9rem .4rem;
    border-bottom: 1px solid var(--color-border);
  }
  .primary-nav .nav-cta {
    margin-top: .8rem;
    text-align: center;
    border-bottom: 0;
  }
}

/* ---------- HERO ---------- */
.hero {
  background:
    radial-gradient(1100px 460px at 90% -10%, rgba(87, 197, 182, 0.18), transparent 60%),
    linear-gradient(180deg, #f3f8fa 0%, #ffffff 100%);
  padding: 3.5rem 0 3rem;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-text .lead { font-size: 1.15rem; color: var(--color-text-muted); max-width: 56ch; }
.hero-accent { color: var(--color-primary); }
.hero-ctas {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  margin: 1.6rem 0 1.4rem;
}
.trust-row {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem 2.4rem;
  color: var(--color-text-muted);
}
.trust-row strong { color: var(--color-primary-dark); display: block; font-size: 1.4rem; font-family: var(--font-display); }

.hero-art {
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
}

@media (max-width: 820px) {
  .hero { padding: 2rem 0 2.4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-art { order: -1; max-width: 320px; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 1.4rem;
  border-radius: 999px;
  border: 0;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s, background .2s, color .2s, box-shadow .2s;
  min-height: 48px;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; box-shadow: var(--shadow-md); }
.btn-ghost {
  background: #fff;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- SECTIONS ---------- */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--color-bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 2.6rem; text-align: center; }
.section-head .section-sub { color: var(--color-text-muted); font-size: 1.08rem; }

/* ---------- CARDS GRID ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .2s, border-color .2s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #b9d6e0;
}
.card-icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border-radius: 12px;
  margin-bottom: 1rem;
}
.card h3 { margin: .4rem 0 .5rem; }
.card p { color: var(--color-text-muted); margin: 0; }

/* ---------- TWO COL ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.two-col.reverse > :first-child { order: -1; }
@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; gap: 1.6rem; }
  .two-col.reverse > :first-child { order: 0; }
}
.bullets { padding-left: 1.1em; margin: 0; }
.bullets li { margin: .4em 0; }

.quote-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.8rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.quote-card .quote-mark { color: var(--color-accent); margin-bottom: .4rem; }
.quote-card blockquote { margin: 0; font-size: 1.1rem; line-height: 1.5; }
.quote-card footer { margin-top: .6rem; color: var(--color-text-muted); font-size: .92rem; }

.process-title { margin: 0 0 1.2rem; font-size: 1.15rem; color: var(--color-primary-dark); }
.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.process-list > li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: .9rem;
  align-items: start;
}
.process-step {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.process-list strong { display: block; color: var(--color-text); font-weight: 600; margin-bottom: .15rem; }
.process-list p { margin: 0; color: var(--color-text-muted); font-size: .96rem; line-height: 1.45; }

.about-art { max-width: 480px; margin-inline: auto; }
.meta-line { color: var(--color-text-muted); font-size: .92rem; }
.meta-line span + span { margin-left: .3rem; }

/* ---------- CONTATTI ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.contact-info h3, .contact-form h3 { font-size: 1.2rem; margin-bottom: 1rem; }
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}
.contact-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: .9rem;
  align-items: start;
}
.contact-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border-radius: 12px;
  flex-shrink: 0;
}
.contact-list strong { display: block; font-weight: 600; color: var(--color-text); }
.contact-list a { color: var(--color-primary-dark); }
.contact-list .muted { color: var(--color-text-muted); font-size: .92rem; display: block; }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  box-shadow: var(--shadow-sm);
}
.form-intro { color: var(--color-text-muted); margin-top: -.4rem; }
.field { margin-bottom: 1rem; display: flex; flex-direction: column; gap: .35rem; }
.field label { font-weight: 500; font-size: .95rem; }
.field input, .field textarea {
  width: 100%;
  padding: .8rem .9rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font: inherit;
  background: #fff;
  color: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.18);
}
.field-check {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
  margin: .8rem 0 1.2rem;
  font-size: .92rem;
  color: var(--color-text-muted);
}
.field-check input { margin-top: .25rem; transform: scale(1.15); }
.optional { font-weight: 400; color: var(--color-text-muted); font-size: .85rem; }
.form-feedback { margin: .8rem 0 0; min-height: 1.2em; font-size: .95rem; }
.form-feedback.is-error { color: var(--color-danger); }
.form-feedback.is-success { color: var(--color-success); }

.map-wrap {
  margin-top: 2.6rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  background: #fff;
}
.map-wrap iframe {
  display: block;
  width: 100%;
  height: 380px;
  border: 0;
}
.map-credits { margin: 0; padding: .6rem .9rem; background: var(--color-bg-soft); font-size: .9rem; }
.map-credits a { color: var(--color-primary-dark); }

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #d8e8ee;
  padding: 2rem 0;
  margin-top: 2rem;
}
.site-footer a { color: #ffffff; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: .94rem;
}
.footer-meta { display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: center; }
.footer-meta span { color: #b8cdd5; }

/* ---------- PHONE FAB (sticky mobile) ---------- */
.phone-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  padding: .9rem 1.1rem;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  display: none;
  align-items: center;
  gap: .55rem;
  font-weight: 600;
}
.phone-fab:hover { background: var(--color-primary-dark); color: #fff; }
@media (max-width: 820px) {
  .phone-fab { display: inline-flex; }
}

/* ---------- Riduzione movimento per chi lo preferisce ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}