/* ============================================================
   LumenRidge — Consulenza strategica AI
   Palette: notte d'altura + crinale luminoso
   ============================================================ */
:root{
  --notte:#0A0F23;          /* fondo profondo */
  --quota:#111A38;          /* superfici elevate */
  --quota-2:#16224A;        /* card hover */
  --linea:#26335E;          /* bordi */
  --nebbia:#C7D2EC;         /* testo secondario */
  --neve:#F2F6FF;           /* testo primario */
  --alba:#E9B872;           /* accento caldo: orizzonte */
  --aurora:#7FE3D4;         /* accento freddo: luce neurale */
  --aurora-dim:rgba(127,227,212,.14);
  --radius:14px;
  --display:"Fraunces",Georgia,serif;
  --body:"Manrope",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--notte);
  color:var(--neve);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--aurora);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--alba);outline-offset:3px;border-radius:4px}

.container{width:min(1140px,92%);margin-inline:auto}

/* ---------- Eyebrow / titoli ---------- */
.eyebrow{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--aurora);display:flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--aurora)}
h1,h2,h3{font-family:var(--display);font-weight:560;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:.7rem 0 1rem}
.section{padding:5.5rem 0}
.section-intro{max-width:620px;color:var(--nebbia)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,15,35,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--linea);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--display);font-size:1.25rem;color:var(--neve)}
.brand:hover{text-decoration:none}
.brand svg{width:30px;height:30px}
.nav-links{display:flex;gap:1.6rem;list-style:none;align-items:center}
.nav-links a{color:var(--nebbia);font-size:.95rem}
.nav-links a:hover{color:var(--aurora);text-decoration:none}
.nav-cta{
  background:var(--alba);color:var(--notte)!important;font-weight:700;
  padding:.55rem 1.1rem;border-radius:999px;
}
.nav-cta:hover{filter:brightness(1.08)}
.nav-toggle{display:none;background:none;border:1px solid var(--linea);color:var(--neve);
  border-radius:8px;padding:.45rem .7rem;font-size:1.05rem;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:6.5rem 0 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);margin:1rem 0 1.2rem}
.hero h1 em{font-style:italic;color:var(--alba)}
.hero p.lead{color:var(--nebbia);font-size:1.12rem;max-width:540px}
.hero-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap}
.btn{
  display:inline-block;padding:.85rem 1.6rem;border-radius:999px;font-weight:700;
  font-size:.98rem;border:1px solid transparent;cursor:pointer;font-family:var(--body);
}
.btn-primary{background:var(--alba);color:var(--notte)}
.btn-primary:hover{filter:brightness(1.08);text-decoration:none}
.btn-ghost{border-color:var(--linea);color:var(--neve)}
.btn-ghost:hover{border-color:var(--aurora);color:var(--aurora);text-decoration:none}
.hero-figure{position:relative}
.hero-figure img{border-radius:var(--radius);border:1px solid var(--linea)}
.hero-badge{
  position:absolute;bottom:-18px;left:-18px;background:var(--quota);
  border:1px solid var(--linea);border-radius:12px;padding:.8rem 1.1rem;
  font-family:var(--mono);font-size:.8rem;color:var(--aurora);
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
/* crinale animato */
.ridge{display:block;width:100%;height:170px;margin-top:3.5rem}
.ridge path{fill:none;stroke-width:1.4}
.ridge .r1{stroke:var(--aurora);opacity:.85;filter:drop-shadow(0 0 6px rgba(127,227,212,.55))}
.ridge .r2{stroke:#5A7BD8;opacity:.5}
.ridge .r3{stroke:var(--alba);opacity:.35}
@media (prefers-reduced-motion:no-preference){
  .ridge path{stroke-dasharray:1600;stroke-dashoffset:1600;animation:trace 2.4s ease-out forwards}
  .ridge .r2{animation-delay:.25s}.ridge .r3{animation-delay:.5s}
  @keyframes trace{to{stroke-dashoffset:0}}
}

/* ---------- Quote / contorni divisori ---------- */
.contour-divider{display:block;width:100%;height:46px;opacity:.5}

/* ---------- Servizi ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.5rem}
.card{
  background:var(--quota);border:1px solid var(--linea);border-radius:var(--radius);
  padding:1.8rem;display:flex;flex-direction:column;gap:.8rem;
  transition:transform .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--aurora)}
.card .quota-tag{font-family:var(--mono);font-size:.74rem;color:var(--alba);letter-spacing:.12em}
.card h3{font-size:1.25rem}
.card p{color:var(--nebbia);font-size:.95rem;flex:1}
.card a{font-size:.9rem;font-family:var(--mono)}

/* ---------- Metodo ---------- */
.method{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:2.6rem;
  border-top:1px solid var(--linea)}
.step{padding:1.6rem 1.4rem 0 0;position:relative}
.step::before{
  content:"";position:absolute;top:-1px;left:0;width:46px;height:3px;background:var(--aurora);
}
.step .quota-tag{font-family:var(--mono);font-size:.74rem;color:var(--aurora)}
.step h3{font-size:1.05rem;margin:.5rem 0}
.step p{color:var(--nebbia);font-size:.9rem}
.method-figure{margin-top:3rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--linea)}

/* ---------- Prezzi ---------- */
.pricing{background:linear-gradient(180deg,var(--notte),#0D1430 60%,var(--notte))}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.5rem}
.price-card{
  background:var(--quota);border:1px solid var(--linea);border-radius:var(--radius);
  padding:2rem;display:flex;flex-direction:column;gap:1rem;
}
.price-card.featured{border-color:var(--alba);box-shadow:0 0 0 1px var(--alba),0 24px 60px rgba(0,0,0,.5)}
.price-card .plan{font-family:var(--mono);font-size:.78rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--aurora)}
.price{font-family:var(--display);font-size:2.2rem}
.price span{font-family:var(--body);font-size:.95rem;color:var(--nebbia)}
.price-card ul{list-style:none;flex:1;display:flex;flex-direction:column;gap:.55rem}
.price-card li{color:var(--nebbia);font-size:.93rem;padding-left:1.4rem;position:relative}
.price-card li::before{content:"▲";position:absolute;left:0;top:0;font-size:.6rem;color:var(--aurora)}
.vat-note{margin-top:1.6rem;font-size:.85rem;color:var(--nebbia);font-family:var(--mono)}

/* ---------- Casi / dati ---------- */
.data-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.5rem}
.datum{border-left:2px solid var(--aurora);padding-left:1.2rem}
.datum strong{font-family:var(--display);font-size:2rem;display:block;color:var(--alba)}
.datum span{color:var(--nebbia);font-size:.92rem}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--linea);padding:1.1rem 0}
.faq summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--aurora);font-size:1.3rem}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--nebbia);margin-top:.7rem;max-width:760px}

/* ---------- Contatti ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;margin-top:2.5rem}
.contact-info p{color:var(--nebbia);margin-bottom:1.1rem}
.contact-info .line{display:flex;gap:.7rem;align-items:baseline;margin-bottom:.8rem}
.contact-info .line b{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--aurora);min-width:86px}
form{display:flex;flex-direction:column;gap:1rem}
label{font-size:.85rem;font-family:var(--mono);letter-spacing:.06em;color:var(--nebbia)}
input,select,textarea{
  width:100%;background:var(--quota);border:1px solid var(--linea);border-radius:10px;
  color:var(--neve);padding:.8rem 1rem;font-family:var(--body);font-size:.95rem;margin-top:.35rem;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--aurora)}
.checkline{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--nebbia)}
.checkline input{width:auto;margin-top:.25rem}
.form-msg{display:none;background:var(--aurora-dim);border:1px solid var(--aurora);
  color:var(--aurora);border-radius:10px;padding:1rem;font-size:.92rem}
.form-msg.show{display:block}
.error-msg{color:#F2A6A6;font-size:.8rem;display:none}
.error-msg.show{display:block}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--linea);padding:3rem 0 2rem;margin-top:3rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
.site-footer h4{font-family:var(--mono);font-size:.78rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--aurora);margin-bottom:.9rem}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:.5rem}
.site-footer a{color:var(--nebbia);font-size:.92rem}
.site-footer a:hover{color:var(--aurora)}
.footer-bottom{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid var(--linea);
  font-size:.82rem;color:var(--nebbia);display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:.8rem;font-family:var(--mono)}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;bottom:1.2rem;left:50%;transform:translateX(-50%);
  width:min(680px,94%);background:var(--quota);border:1px solid var(--linea);
  border-radius:var(--radius);padding:1.3rem 1.5rem;z-index:100;
  box-shadow:0 24px 60px rgba(0,0,0,.6);display:none;
}
.cookie-banner.show{display:block}
.cookie-banner p{font-size:.88rem;color:var(--nebbia);margin-bottom:1rem}
.cookie-actions{display:flex;gap:.8rem;flex-wrap:wrap}
.cookie-actions .btn{padding:.55rem 1.2rem;font-size:.88rem}

/* ---------- Pagine legali ---------- */
.legal{max-width:780px;margin-inline:auto;padding:4rem 0}
.legal h1{font-size:clamp(1.9rem,4vw,2.7rem);margin-bottom:.6rem}
.legal .updated{font-family:var(--mono);font-size:.8rem;color:var(--aurora);margin-bottom:2.2rem}
.legal h2{font-size:1.35rem;margin:2.2rem 0 .7rem}
.legal p,.legal li{color:var(--nebbia);font-size:.97rem}
.legal ul{margin:.6rem 0 .6rem 1.3rem}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid,.contact-grid{grid-template-columns:1fr}
  .cards,.price-grid,.data-strip{grid-template-columns:1fr 1fr}
  .method{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;background:var(--notte);
    flex-direction:column;padding:1.2rem 4%;border-bottom:1px solid var(--linea);gap:1rem;
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .cards,.price-grid,.data-strip,.method,.footer-grid{grid-template-columns:1fr}
  .section{padding:3.5rem 0}
  .hero{padding-top:3.5rem}
  .hero-badge{position:static;margin-top:1rem;display:inline-block}
}