/* ────────────────────────────────────────
   BitsOfDream — Theme CSS
   Fedele al design originale: light theme,
   palette crema/bianca, bottoni pill, sezioni alternate
   ──────────────────────────────────────── */

:root {
  /* Palette — light */
  --color-bg:          #ffffff;
  --color-bg-alt:      #eef2ee;   /* grigio-verde chiaro sezioni alternate */
  --color-surface:     #ffffff;
  --color-border:      #e2e8e2;
  --color-text:        #0d1a14;   /* navy scuro quasi nero */
  --color-muted:       #5a6b60;
  --color-tagline-bg:  #f0f5f0;
  --color-tagline-br:  #d4dfd4;

  /* Bottoni */
  --color-btn-primary-bg:   #0d1a14;
  --color-btn-primary-text: #ffffff;
  --color-btn-outline-br:   #c8d4c8;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-card: 16px;
  --radius-pill: 999px;
  --max-w: 1100px;
  --section-pad: 5rem 2rem;
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }

/* ── Layout helpers ── */
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad);
}
.section--alt { background: var(--color-bg-alt); }

/* ════════════════════════════════════════
   HEADER
   ════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.site-header .section-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.logo {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 40px;
  width: auto;
  display: block;
}
.nav-links { display: flex; gap: 0.75rem; align-items: center; }

/* pill nav buttons */
.nav-pill {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-btn-outline-br);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  transition: background 0.15s, border-color 0.15s;
}
.nav-pill:hover { background: var(--color-bg-alt); border-color: #aabcaa; }
.nav-pill--filled {
  background: var(--color-btn-primary-bg);
  color: var(--color-btn-primary-text);
  border-color: var(--color-btn-primary-bg);
}
.nav-pill--filled:hover { opacity: 0.85; background: var(--color-btn-primary-bg); }

/* ════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s, border-color 0.15s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--color-btn-primary-bg);
  color: var(--color-btn-primary-text);
  border-color: var(--color-btn-primary-bg);
}
.btn--primary:hover { opacity: 0.85; }
.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-btn-outline-br);
}
.btn--secondary:hover { border-color: #8aaa8a; background: var(--color-bg-alt); }
.btn--ghost {
  background: transparent;
  color: var(--color-muted);
  border-color: var(--color-btn-outline-br);
  font-size: 0.85rem;
}
.btn--ghost:hover { color: var(--color-text); border-color: #8aaa8a; }

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
.section--hero .section-inner { padding-top: 5rem; padding-bottom: 4rem; }

.hero-tagline {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-muted);
  background: var(--color-tagline-bg);
  border: 1px solid var(--color-tagline-br);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.9rem;
  margin-bottom: 1.75rem;
  letter-spacing: 0.01em;
}
.section--hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
  margin-bottom: 1.25rem;
  max-width: 780px;
  color: var(--color-text);
}
.hero-body {
  color: var(--color-muted);
  max-width: 620px;
  margin-bottom: 2.25rem;
  font-size: 1rem;
  line-height: 1.7;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ════════════════════════════════════════
   VALUES  (sezione bianca, sotto hero)
   ════════════════════════════════════════ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.6rem 1.75rem;
}
.value-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}
.value-card p { color: var(--color-muted); font-size: 0.9rem; }

/* ════════════════════════════════════════
   SOLUTIONS  (sfondo alt)
   ════════════════════════════════════════ */
.section--solutions h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.section-intro {
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 2.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.75rem;
}
.solution-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--color-text);
}
.solution-card ul { list-style: disc; padding-left: 1.1rem; }
.solution-card li {
  font-size: 0.88rem;
  color: var(--color-muted);
  padding: 0.2rem 0;
}

/* ════════════════════════════════════════
   SMILE32  (sfondo bianco)
   ════════════════════════════════════════ */
.section--smile32 .label {
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1rem;
  font-weight: 500;
}
.smile32-content h2 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.1rem;
  max-width: 600px;
  line-height: 1.25;
}
.smile32-content p {
  color: var(--color-muted);
  max-width: 580px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.smile32-points {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.smile32-points li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 0.65rem 1.1rem;
  font-size: 0.88rem;
  color: var(--color-text);
}

/* ════════════════════════════════════════
   APPROACH  (sfondo alt)
   ════════════════════════════════════════ */
.section--approach h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.approach-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.75rem;
}
.step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.step p { font-size: 0.88rem; color: var(--color-muted); }

/* ════════════════════════════════════════
   CONTACT  (sfondo bianco, card wrapper)
   ════════════════════════════════════════ */
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  max-width: 900px;
}
.section--contact h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.section--contact p {
  color: var(--color-muted);
  max-width: 520px;
  margin-bottom: 1.75rem;
  font-size: 0.95rem;
}
.contact-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 2rem;
}
.site-footer .footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media (max-width: 640px) {
  .hero-ctas, .contact-ctas { flex-direction: column; align-items: flex-start; }
  .smile32-points { flex-direction: column; }
  .site-footer .footer-inner { flex-direction: column; text-align: center; }
}