/* =========================================================
   DOTT. CARLO VALLI — STILI COMUNI
   Caricato da tutte le pagine del sito.
   ========================================================= */

:root {
  --bg: #cfe9f9;
  --card: #ffffff;
  --text: #0b1020;
  --muted: #4a5a73;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --shadow: 0 10px 30px rgba(0,0,0,.15);
  --radius: 18px;
  --border: 1px solid rgba(0,0,0,.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

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

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

:focus-visible {
  outline: 3px solid var(--accent-strong);
  outline-offset: 3px;
}

section {
  padding: 70px 0;
  scroll-margin-top: 140px;
}

/* ---------- Header / navigazione ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(140%) blur(8px);
  background: rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(0,0,0,.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.brand {
  flex: 0 0 auto;
  margin-right: 14px;
}

.brand img {
  width: auto;
  height: 88px;
  max-width: none;
  border-radius: 6px;
}

.topnav {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  gap: 16px;
}

.nav-links {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 1.05rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  white-space: nowrap;
  opacity: .9;
  font-size: 1.02rem;
  font-weight: 500;
}

.menu-btn {
  display: none;
}

.cta,
.cta-top {
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 8px 30px rgba(14,165,233,.35);
}

.cta {
  padding: .75rem 1.2rem;
}

.cta-top {
  flex: 0 0 auto;
  padding: .65rem 1.05rem;
  font-size: 1.02rem;
}

.cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.cta-sub {
  white-space: nowrap;
  font-size: .76rem;
  opacity: .65;
}

.cta-sub:hover {
  opacity: 1;
  text-decoration: underline;
}

.mobile-menu {
  display: none;
}

/* ---------- Componenti comuni ---------- */

.button {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .9rem 1.1rem;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 14px;
  background: rgba(255,255,255,.8);
}

.button.primary {
  border: 0;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.card {
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.preview {
  padding: 18px;
}

.section-title {
  margin: 0 0 10px;
  font-size: 34px;
}

.muted {
  color: var(--muted);
}

.muted em {
  font-style: italic;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}

.list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  margin: .35rem 0;
}

.list .dot {
  flex: 0 0 .55rem;
  width: .55rem;
  height: .55rem;
  margin-top: .5rem;
  border-radius: 999px;
  background: var(--accent);
}

/* ---------- Form comuni ---------- */

form {
  display: grid;
  gap: 12px;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--text);
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 12px;
  background: #f0f9ff;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.disclaimer {
  color: var(--muted);
  font-size: .85rem;
}

.disclaimer a {
  text-decoration: underline;
}

/* ---------- Footer ---------- */

footer {
  padding: 30px 0 60px;
  color: var(--muted);
  border-top: 1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.6);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Responsive comune ---------- */

@media (max-width: 1060px) {

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px 0;
  }

  .brand {
    width: 100%;
    margin-right: 0;
  }

  .brand img {
    width: auto;
    height: auto;
    max-width: 100%;
  }

  .topnav {
    width: 100%;
    flex: none;
    justify-content: flex-start;
  }

  .nav-links,
  .cta-wrap,
  .cta-top {
    display: none !important;
  }

  .menu-btn {
    display: inline-flex !important;
    align-items: center;
    gap: .45rem;
    margin: 0;
    padding: .55rem .75rem;
    border: 1px solid rgba(0,0,0,.12);
    border-radius: 10px;
    background: rgba(255,255,255,.8);
  }

  .mobile-menu {
    position: static;
    width: 100%;
    background: rgba(255,255,255,.95);
    border-bottom: 1px solid rgba(0,0,0,.08);
  }

  .mobile-menu ul {
    margin: 0;
    padding: 12px;
    list-style: none;
  }

  .mobile-menu li {
    border-top: 1px solid rgba(0,0,0,.06);
  }

  .mobile-menu a {
    display: block;
    padding: 14px 18px;
  }
}

@media (max-width: 980px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}