/* Stile della pagina lumion-ai (originale: Lumion tool AI.html) */
:root{
    --blue:#2b5487;
    --blue-light:#b8d7ec;
    --blue-tint:#eef4fa;
    --ink:#101114;
    --ink-soft:#4d4d4d;
    --line:#e3e5e8;
    --grey-bg:#f3f3f3;
    --grey-bg-2:#fafafa;
    --white:#ffffff;
    --radius:12px;
    --radius-pill:999px;
    --maxw:1200px;
    --font: "Söhne", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--font);
    color:var(--ink);
    background:var(--white);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
  section{padding:96px 0;}
  h1,h2,h3,h4{font-weight:700;letter-spacing:-0.02em;line-height:1.08;color:var(--ink);}
  h1{font-size:clamp(34px,5.4vw,64px);}
  h2{font-size:clamp(28px,3.6vw,42px);}
  h3{font-size:22px;}
  p{color:var(--ink-soft);line-height:1.65;font-size:16px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;
    color:var(--blue);margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);}

  /* Buttons */
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-size:15px;font-weight:600;
    padding:14px 26px;border-radius:var(--radius-pill);
    cursor:pointer;white-space:nowrap;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
    border:1.5px solid transparent;
  }
  .btn-primary{background:var(--blue);color:#fff;}
  .btn-primary:hover{background:#1f4166;transform:translateY(-1px);}
  .btn-secondary{background:#fff;color:var(--ink);border-color:#cfd3d8;}
  .btn-secondary:hover{border-color:var(--ink);transform:translateY(-1px);}
  .btn-sm{padding:10px 20px;font-size:14px;}

  /* Header */
  header{
    position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  nav.wrap{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;}
  .logo img{height:24px;width:auto;}
  .nav-links{display:flex;align-items:center;gap:36px;}
  .nav-links a{font-size:14.5px;font-weight:500;color:var(--ink);opacity:.85;}
  .nav-links a:hover{opacity:1;color:var(--blue);}
  .nav-cta{display:flex;align-items:center;gap:12px;}
  .nav-cta .login{font-size:14.5px;font-weight:500;color:var(--ink);opacity:.85;padding:10px 6px;}
  @media (max-width:920px){.nav-links{display:none;}}

  /* Hero — Graphic Window ufficiale "Curva d'angolo" (Lumion Brand Kit §4),
     variante orizzontale (ruotata 90°) per fotografia panoramica/street-level:
     path esatto estratto dagli asset ufficiali (Branding/8-Graphic Window),
     applicato via clip-path in pixel reali sull'altezza del riquadro media
     (mai deformato: il bordo piatto si estende per la larghezza extra).
     Stessa impostazione (box, proporzioni testo, finestra) di Lumion Cloud. */
  .hero{background:#101012;color:#fff;overflow:hidden;position:relative;min-height:560px;padding:0;}
  .hero-inner{position:relative;max-width:1440px;margin:0 auto;min-height:560px;display:flex;align-items:center;}
  .hero-text{position:relative;z-index:2;max-width:560px;padding:64px 32px 48px;}
  .hero-text .eyebrow{color:var(--blue-light);}
  .hero-text .eyebrow::before{background:var(--blue-light);}
  .hero h1{color:#fff;max-width:none;margin:0 0 18px;font-size:clamp(28px,3.4vw,44px);}
  .hero p.lede{color:rgba(255,255,255,.7);max-width:none;margin:0 0 28px;font-size:17px;}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:0;}
  .hero .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
  .hero .btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,.06);}
  .hero-visual{position:absolute;top:0;right:0;bottom:0;left:552px;}
  .hero-visual-window{position:absolute;inset:0;overflow:hidden;}
  .hero-visual-window video,
  .hero-visual-window img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;}
  @media (max-width:900px){
    .hero-inner{min-height:0;display:block;}
    .hero-text{max-width:none;padding:96px 24px 32px;}
    .hero-visual{position:relative;left:0;height:60vw;min-height:320px;}
  }

  /* Intro */
  .intro{text-align:center;}
  .intro .wrap{max-width:760px;}
  .intro p{font-size:18px;margin:20px 0 32px;}

  /* Use case section */
  .usecases-head{text-align:center;max-width:680px;margin:0 auto 72px;}
  .usecases-head p{font-size:18px;}
  .usecase{
    display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
    padding:56px 0;border-top:1px solid var(--line);
  }
  .usecase:first-of-type{border-top:none;padding-top:0;}
  .usecase.reverse .uc-media{order:2;}
  .usecase.reverse .uc-body{order:1;}
  .uc-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:50%;background:var(--blue-tint);color:var(--blue);
    font-size:14px;font-weight:700;margin-bottom:20px;
  }
  .uc-body h3{margin-bottom:16px;font-size:26px;}
  .uc-body > p{margin-bottom:16px;}
  .uc-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--grey-bg-2);}
  .uc-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
  .uc-media.split{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);}
  .uc-media.split img{aspect-ratio:1/1;}
  .uc-media.icon{
    aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--blue-tint),#fff);
  }
  .uc-media.icon svg{width:96px;height:96px;stroke:var(--blue);fill:none;stroke-width:1.2;}
  .sub-features{margin-top:24px;display:flex;flex-direction:column;gap:16px;}
  .sub-feature{padding-left:18px;border-left:2px solid var(--blue-light);}
  .sub-feature h4{font-size:15px;font-weight:700;margin-bottom:4px;color:var(--ink);}
  .sub-feature p{font-size:14.5px;margin:0;}

  /* Positioning */
  .positioning{background:var(--grey-bg);}
  .positioning .wrap{max-width:800px;text-align:center;}
  .positioning .eyebrow{justify-content:center;display:inline-flex;}
  .positioning h2{margin-bottom:8px;}
  .positioning h3{font-size:24px;margin:36px 0 14px;}
  .positioning p{font-size:16.5px;margin-bottom:14px;}
  .positioning h3.tag{
    font-size:20px;color:var(--blue);margin-top:44px;
  }

  /* CTA band */
  .cta-band{
    background:linear-gradient(135deg,var(--blue) 0%,#183a5f 100%);
    border-radius:24px;padding:64px 48px;text-align:center;color:#fff;
  }
  .cta-band h2{color:#fff;margin-bottom:12px;}
  .cta-band p{color:rgba(255,255,255,.82);margin-bottom:28px;font-size:17px;}
  .cta-band .btn-primary{background:#fff;color:var(--blue);}
  .cta-band .btn-primary:hover{background:#eef4fa;}

  /* FAQ */
  .faq-head{text-align:center;margin-bottom:48px;}
  .faq-list{max-width:820px;margin:0 auto;}
  details{border-bottom:1px solid var(--line);padding:22px 0;}
  summary{
    cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
    font-size:17px;font-weight:600;color:var(--ink);
  }
  summary::-webkit-details-marker{display:none;}
  summary::after{
    content:"+";font-size:22px;font-weight:400;color:var(--blue);flex:none;margin-left:16px;
    transition:transform .2s ease;
  }
  details[open] summary::after{content:"–";}
  details p{margin-top:14px;padding-right:40px;font-size:15.5px;}

  /* Dive deeper */
  .resources{background:var(--grey-bg);}
  .res-head{text-align:center;margin-bottom:48px;}
  .res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .res-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;
    transition:transform .15s ease, box-shadow .15s ease;
  }
  .res-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px -20px rgba(16,17,20,.25);}
  .uc-media video{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;display:block;}
  .res-card{overflow:hidden;}
  .res-img{display:block;width:calc(100% + 56px);max-width:none;margin:-28px -28px 20px;aspect-ratio:16/9;object-fit:cover;}
  .res-card span{font-size:13px;color:var(--ink-soft);}
  .res-card h4{font-size:17px;margin:10px 0 0;line-height:1.4;}

  /* Closing */
  .closing{text-align:center;}
  .closing .wrap{max-width:640px;}
  .closing .hero-actions{margin-top:32px;margin-bottom:0;}

  /* Integrations strip */
  .integrations{padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .integrations p{text-align:center;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:28px;}
  .logo-row{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
  .logo-row img{height:22px;width:auto;opacity:.55;filter:grayscale(1);}

  /* Footer */
  footer{background:var(--grey-bg);padding-top:72px;}
  .footer-top{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:32px;padding-bottom:56px;}
  .footer-brand img{height:22px;margin-bottom:14px;}
  .footer-brand p{font-size:13.5px;max-width:220px;}
  .footer-col h5{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink);margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a{font-size:14px;color:var(--ink-soft);}
  .footer-col a:hover{color:var(--blue);}
  .footer-bottom{
    display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
    padding:24px 0;border-top:1px solid var(--line);font-size:13px;color:var(--ink-soft);
  }
  .footer-social{display:flex;gap:16px;}

  @media (max-width:900px){
    .usecase{grid-template-columns:1fr;gap:28px;}
    .usecase.reverse .uc-media{order:1;}
    .usecase.reverse .uc-body{order:2;}
    .res-grid{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr 1fr;}
  }