/* Serramenti Lanfranchi — sito dimostrativo di VEDA Academy.
   Un solo colore di risalto, testo scuro su fondo chiaro, niente animazioni. */

:root {
  --ink: #1d1f22;
  --ink-soft: #4a4f57;
  --bg: #ffffff;
  --bg-soft: #f4f1ec;
  --line: #e2ddd5;
  --accent: #a8431a;
  --accent-ink: #ffffff;
  --radius: 10px;
  --wrap: 68rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

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

a { color: var(--accent); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

/* Avviso: il sito è una dimostrazione */
.demo-note {
  background: #1d1f22;
  color: #f4f1ec;
  font-size: 0.875rem;
  line-height: 1.4;
  padding: 0.6rem 0;
  text-align: center;
}
.demo-note a { color: #f4f1ec; }

/* Testata */
.header { border-bottom: 1px solid var(--line); }
.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  flex-wrap: wrap;
}
.logo {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.2;
}
.logo small { display: block; font-weight: 500; font-size: 0.8rem; color: var(--ink-soft); }
.nav { display: flex; gap: 1.25rem; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--ink); text-decoration: none; font-size: 1rem; }
.nav a[aria-current="page"] { font-weight: 700; }
.nav .tel { color: var(--accent); font-weight: 700; display: none; }

/* Pulsanti */
.btn {
  display: inline-block;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  border: 2px solid var(--accent);
  line-height: 1.2;
  text-align: center;
}
.btn--main { background: var(--accent); color: var(--accent-ink); }
.btn--alt { background: transparent; color: var(--accent); }
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 1.5rem 0 0; }

/* Sezioni */
section { padding: 3.5rem 0; }
.soft { background: var(--bg-soft); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 6vw, 3rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 1rem; }
h3 { font-size: 1.2rem; margin: 0 0 0.4rem; }
.lead { font-size: 1.25rem; color: var(--ink-soft); margin: 0; max-width: 40rem; }

.hero { padding: 3rem 0 3.5rem; }
.proof {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  font-size: 1rem;
  color: var(--ink-soft);
}
.proof li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card p { margin: 0; color: var(--ink-soft); }

.photo { border-radius: var(--radius); overflow: hidden; background: var(--line); }
.photo figcaption { font-size: 0.875rem; color: var(--ink-soft); padding: 0.5rem 0 0; background: var(--bg); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.steps li { counter-increment: step; padding-left: 3rem; position: relative; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 1rem;
}

blockquote {
  margin: 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--accent);
  background: var(--bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}
blockquote p { margin: 0 0 0.5rem; }
blockquote footer { font-size: 0.95rem; color: var(--ink-soft); }

/* Modulo */
form { display: grid; gap: 1.1rem; max-width: 34rem; }
label { font-weight: 600; display: block; margin-bottom: 0.3rem; }
label span { font-weight: 400; color: var(--ink-soft); }
input, textarea {
  width: 100%;
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid #b9b2a7;
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus { outline: 3px solid rgba(168, 67, 26, 0.3); border-color: var(--accent); }
.hp { display: none; }
.note { font-size: 0.95rem; color: var(--ink-soft); margin: 0; }

.info dt { font-weight: 700; margin-top: 1rem; }
.info dd { margin: 0.2rem 0 0; }

/* Piè di pagina */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 6rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.footer p { margin: 0.25rem 0; }

/* Barra fissa sul telefono: il numero sempre a un tocco */
.callbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.6rem 0.75rem calc(0.6rem + env(safe-area-inset-bottom));
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.callbar .btn { padding: 0.75rem 0.5rem; font-size: 1rem; }

@media (min-width: 48rem) {
  .callbar { display: none; }
  .nav .tel { display: inline; }
  .footer { padding-bottom: 2rem; }
  .hero { padding: 4.5rem 0; }
}

.prose { max-width: 44rem; }
.prose h2 { margin-top: 2.5rem; }

/* Segnaposto dove un sito vero ha una foto vera */
.ph {
  aspect-ratio: 4 / 3;
  border: 2px dashed #b9b2a7;
  border-radius: var(--radius);
  background: var(--bg-soft);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.ph strong { display: block; color: var(--ink); }
.split { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 48rem) {
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}