/* ===== Ovia — Design system condiviso per le landing "Siti web con AI" ===== */
:root {
  --color-bg: #04070f;
  --color-panel: #060b18;
  --color-primary-text: #eaf0fb;
  --color-demoted-text: #97a3bd;
  --color-divider: rgba(148, 170, 220, 0.16);
  --color-accent: #4c8dff;
  --color-accent-soft: rgba(76, 141, 255, 0.14);
  --color-violet: #8b5cf6;
  --font-stack: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', 'Segoe UI', Roboto, Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Segoe UI', Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background-color: var(--color-bg); scroll-behavior: smooth; }
body {
  background-color: var(--color-bg);
  color: var(--color-primary-text);
  font-family: var(--font-stack);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* Header */
.lp-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px;
  background: rgba(4, 7, 15, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-divider);
}
.lp-logo {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700; letter-spacing: 0.22em;
  display: flex; align-items: baseline; gap: 7px;
}
.lp-logo::after {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px 2px rgba(76,141,255,0.9);
  transform: translateY(-2px);
}
.lp-nav { display: flex; align-items: center; gap: 30px; }
.lp-nav a { color: var(--color-demoted-text); font-size: 15px; transition: color 0.2s; }
.lp-nav a:hover { color: var(--color-primary-text); }

/* Breadcrumb */
.lp-breadcrumb {
  max-width: 1100px; margin: 0 auto; padding: 24px 40px 0;
  font-size: 13px; color: var(--color-demoted-text);
}
.lp-breadcrumb a:hover { color: var(--color-accent); }
.lp-breadcrumb span { opacity: 0.5; margin: 0 8px; }

/* Hero */
.lp-hero {
  max-width: 900px; margin: 0 auto; padding: 60px 40px 80px;
  text-align: center;
}
.lp-eyebrow {
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--color-accent);
  margin-bottom: 22px;
}
.lp-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 700; line-height: 1.06; letter-spacing: -0.02em;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #b7c6e6 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lp-hero .sub {
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.55; color: var(--color-demoted-text);
  max-width: 680px; margin: 0 auto 40px;
}
.lp-cta-row {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.lp-btn {
  font-family: var(--font-display);
  font-size: 16px; font-weight: 600;
  padding: 16px 30px; border-radius: 100px;
  border: 1px solid transparent; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.lp-btn-primary {
  background: var(--color-accent); color: #fff;
  box-shadow: 0 12px 40px -12px rgba(76,141,255,0.8);
}
.lp-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 50px -12px rgba(76,141,255,0.9); }
.lp-btn-ghost {
  background: transparent; color: var(--color-primary-text);
  border-color: var(--color-divider);
}
.lp-btn-ghost:hover { border-color: var(--color-accent); transform: translateY(-3px); }

/* Sezioni generiche */
.lp-section { max-width: 1100px; margin: 0 auto; padding: 70px 40px; }
.lp-section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px); font-weight: 700;
  text-align: center; letter-spacing: -0.02em; margin-bottom: 14px;
}
.lp-section-sub {
  text-align: center; color: var(--color-demoted-text);
  max-width: 600px; margin: 0 auto 56px; font-size: 17px; line-height: 1.5;
}

/* Griglia benefici */
.lp-benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lp-benefit {
  padding: 34px 30px; border-radius: 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-divider);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.lp-benefit:hover { transform: translateY(-5px); border-color: rgba(76,141,255,0.4); }
.lp-benefit-icon {
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--color-accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 22px;
}
.lp-benefit h3 {
  font-family: var(--font-display);
  font-size: 20px; font-weight: 700; margin-bottom: 12px; line-height: 1.2;
}
.lp-benefit p { color: var(--color-demoted-text); font-size: 15.5px; line-height: 1.55; }

/* Come funziona (step) */
.lp-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.lp-step {
  padding: 34px 30px; border-radius: 20px;
  background: linear-gradient(160deg, rgba(76,141,255,0.07), rgba(139,92,246,0.04));
  border: 1px solid var(--color-divider);
  position: relative;
}
.lp-step-num {
  font-family: var(--font-display);
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--color-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; margin-bottom: 20px;
}
.lp-step h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 10px; line-height: 1.25; }
.lp-step p { color: var(--color-demoted-text); font-size: 15px; line-height: 1.5; }

/* FAQ accordion */
.lp-faq { max-width: 780px; margin: 0 auto; }
.lp-faq-item {
  border-bottom: 1px solid var(--color-divider);
}
.lp-faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: var(--font-display);
  color: var(--color-primary-text); font-size: 18px; font-weight: 600;
  padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.lp-faq-q .plus { color: var(--color-accent); font-size: 24px; transition: transform 0.3s ease; flex-shrink: 0; }
.lp-faq-item.open .plus { transform: rotate(45deg); }
.lp-faq-a {
  max-height: 0; overflow: hidden;
  color: var(--color-demoted-text); font-size: 16px; line-height: 1.6;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.lp-faq-item.open .lp-faq-a { max-height: 300px; padding-bottom: 24px; }

/* CTA finale */
.lp-final-cta {
  max-width: 900px; margin: 40px auto 0; padding: 70px 40px;
  text-align: center;
  background: linear-gradient(160deg, rgba(76,141,255,0.12), rgba(139,92,246,0.08));
  border: 1px solid rgba(76,141,255,0.3);
  border-radius: 28px;
}
.lp-final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px); font-weight: 700; margin-bottom: 16px; letter-spacing: -0.02em;
}
.lp-final-cta p { color: var(--color-demoted-text); font-size: 17px; margin-bottom: 30px; }

/* Footer */
.lp-footer {
  max-width: 1100px; margin: 80px auto 0; padding: 40px;
  border-top: 1px solid var(--color-divider);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
  color: var(--color-demoted-text); font-size: 14px;
}
.lp-footer a { color: var(--color-demoted-text); }
.lp-footer a:hover { color: var(--color-accent); }
.lp-footer-links { display: flex; gap: 24px; flex-wrap: wrap; }

/* CTA sticky mobile */
.lp-sticky-cta {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
  background: rgba(4, 7, 15, 0.92);
  backdrop-filter: blur(18px);
  border-top: 1px solid var(--color-divider);
}
.lp-sticky-cta .lp-btn { width: 100%; justify-content: center; }

@media (max-width: 860px) {
  .lp-benefits, .lp-steps { grid-template-columns: 1fr; }
  .lp-nav { gap: 18px; }
  .lp-nav a:not(.lp-nav-cta) { display: none; }
}
@media (max-width: 640px) {
  .lp-header { padding: 16px 22px; }
  .lp-hero { padding: 40px 24px 40px; }
  .lp-section { padding: 50px 24px; }
  .lp-breadcrumb { padding: 20px 24px 0; }
  .lp-footer { padding: 32px 24px; flex-direction: column; text-align: center; }
  .lp-sticky-cta { display: block; }
  .lp-cta-row .lp-btn { width: 100%; justify-content: center; }
  body { padding-bottom: 80px; }
}