:root{
    --aqua: #1F9E9E;
    --aqua-deep: #123B3B;
    --aqua-light: #E5EDF1;
    --silver: #B9C4C6;
    --paper: #FBFCFC;
    --ink: #16231F;
    --line: rgba(18,59,59,0.14);
    --radius: 2px;
    --max: 1180px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Manrope', sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }

  h1,h2,h3, .display{
    font-family:'Fraunces', serif;
    font-weight:500;
    letter-spacing:-0.01em;
    margin:0;
    color:var(--aqua-deep);
  }

  a{color:inherit;}
  img{max-width:100%;display:block;}
  .wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
  @media (max-width:640px){ .wrap{padding:0 20px;} }

  /* ---------- Header ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(251,252,252,0.88);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 0;
  }
  .brand{
    font-family:'Fraunces', serif;
    font-size:19px;
    font-weight:600;
    color:var(--aqua-deep);
    letter-spacing:0.01em;
  }
  .brand span{ font-style:italic; font-weight:400; color:var(--aqua); }
  .nav-links{
    display:flex; align-items:center; gap:36px;
    list-style:none; margin:0; padding:0;
  }
  .nav-links a{
    text-decoration:none;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    letter-spacing:0.02em;
    position:relative;
    padding-bottom:4px;
  }
  .nav-links a::after{
    content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
    background:var(--aqua); transition:width .25s ease;
  }
  .nav-links a:hover::after{ width:100%; }
  .lang-toggle{
    display:flex; border:1px solid var(--aqua-deep); border-radius:20px; overflow:hidden;
    font-size:12px; font-weight:700; letter-spacing:0.04em;
  }
  .lang-toggle button{
    background:none; border:none; cursor:pointer; padding:7px 14px;
    color:var(--aqua-deep); font-family:inherit; font-weight:700; font-size:12px; letter-spacing:0.04em;
  }
  .lang-toggle button.active{ background:var(--aqua-deep); color:#fff; }
  .menu-toggle{ display:none; background:none; border:none; cursor:pointer; }

  @media (max-width:860px){
    .nav-links{
      position:fixed; inset:64px 0 0 0; background:var(--paper); flex-direction:column;
      justify-content:flex-start; padding:32px 24px; gap:24px;
      transform:translateX(100%); transition:transform .3s ease; height:calc(100vh - 64px);
    }
    .nav-links.open{ transform:translateX(0); }
    .menu-toggle{ display:block; }
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    padding:96px 0 64px;
    overflow:hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns: 1.1fr 0.9fr; gap:56px; align-items:center;
  }
  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-size:12.5px; font-weight:700; letter-spacing:0.14em; text-transform:uppercase;
    color:var(--aqua); margin-bottom:18px;
  }
  .eyebrow::before{ content:""; width:26px; height:1px; background:var(--aqua); }
  .hero h1{
    font-size:clamp(40px, 6vw, 68px);
    line-height:1.02;
  }
  .hero h1 em{ font-style:italic; font-weight:400; color:var(--aqua); }
  .hero p.lede{
    margin-top:22px; max-width:46ch; font-size:17.5px; color:#334542;
  }
  .cta-row{ display:flex; gap:16px; margin-top:34px; flex-wrap:wrap; }
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    padding:14px 26px; border-radius:2px; font-weight:700; font-size:14px;
    text-decoration:none; letter-spacing:0.01em; cursor:pointer; border:1px solid transparent;
    transition: transform .2s ease, background .2s ease, color .2s ease;
  }
  .btn-primary{ background:var(--aqua-deep); color:#fff; }
  .btn-primary:hover{ background:var(--aqua); transform:translateY(-1px); }
  .btn-ghost{ border-color:var(--aqua-deep); color:var(--aqua-deep); }
  .btn-ghost:hover{ background:var(--aqua-deep); color:#fff; }

  .hero-art{ position:relative; }
  .hero-art svg{ width:100%; height:auto; }
  .line-path{
    fill:none; stroke:var(--aqua-deep); stroke-width:1.4;
    stroke-dasharray:1400; stroke-dashoffset:1400;
    animation:draw 2.6s ease forwards .3s;
  }
  .line-path.alt{ stroke:var(--aqua); stroke-width:1; opacity:.55; animation-delay:.6s; }
  @keyframes draw{ to{ stroke-dashoffset:0; } }

  @media (max-width:900px){
    .hero-grid{ grid-template-columns:1fr; }
    .hero-art{ order:-1; max-width:340px; margin:0 auto 12px; }
  }

  /* ---------- Section shell ---------- */
  section{ padding:88px 0; }
  .section-head{ max-width:640px; margin-bottom:52px; }
  .section-head .eyebrow{ margin-bottom:14px; }
  .section-head h2{ font-size:clamp(28px,4vw,38px); line-height:1.08; }
  .section-head p{ margin-top:16px; color:#3d4c49; font-size:16px; }
  .divider{ height:1px; background:var(--line); }

  /* ---------- Due sguardi ---------- */
  .duo{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
  .duo-card{ background:var(--paper); padding:44px; }
  .duo-card h3{ font-size:22px; margin-bottom:18px; }
  .duo-card .tag{ font-size:11.5px; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--aqua); margin-bottom:10px; display:block; }
  .duo-card p{ color:#3d4c49; margin:0 0 12px; }
  .duo-card ul{ margin:16px 0 0; padding:0; list-style:none; }
  .duo-card li{ position:relative; padding-left:20px; margin-bottom:10px; color:#3d4c49; font-size:15px; }
  .duo-card li::before{ content:"—"; position:absolute; left:0; color:var(--aqua); }
  @media (max-width:760px){ .duo{ grid-template-columns:1fr; } }

  .philosophy{
    margin-top:1px;
    background:linear-gradient(135deg, rgba(18,59,59,0.92), rgba(18,59,59,0.86)), url('https://www.ldfhairclinic.it/media/2025/10/DSC00359.jpg');
    background-size:cover; background-position:center;
    color:#EAF3F1; padding:52px 44px;
    font-family:'Fraunces', serif; font-style:italic; font-weight:400; font-size:clamp(19px,2.4vw,24px);
    line-height:1.5;
  }
  .philosophy span{ display:block; margin-top:16px; font-family:'Manrope',sans-serif; font-style:normal; font-size:13px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--silver); }

  /* ---------- Libro ---------- */
  .book{ display:grid; grid-template-columns:280px 1fr; gap:56px; align-items:center; }
  .book-cover{
    aspect-ratio:3/4.4; background:linear-gradient(160deg, var(--aqua-deep), #0c2929);
    border-radius:2px; display:flex; align-items:center; justify-content:center;
    color:var(--silver); text-align:center; padding:28px; position:relative; overflow:hidden;
  }
  .book-cover::before{
    content:""; position:absolute; inset:14px; border:1px solid rgba(255,255,255,0.18);
  }
  .book-cover .placeholder-label{
    font-family:'Fraunces',serif; font-style:italic; font-size:15px; color:#fff; line-height:1.5;
  }
  .book-copy h3{ font-size:26px; margin-bottom:16px; }
  .book-copy p{ color:#3d4c49; margin:0 0 14px; }
  .book-note{
    margin-top:18px; font-size:13px; color:#6b7a77; border-left:2px solid var(--aqua);
    padding-left:14px;
  }
  @media (max-width:760px){ .book{ grid-template-columns:1fr; } .book-cover{ max-width:220px; margin:0 auto; } }

  /* ---------- Terapia o trapianto ---------- */
  .compare{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
  .compare-card{
    border:1px solid var(--line); padding:36px; background:#fff; position:relative;
  }
  .compare-card .num{
    position:absolute; top:-1px; right:-1px; background:var(--aqua-light); color:var(--aqua-deep);
    font-size:11px; font-weight:700; padding:6px 12px; letter-spacing:0.05em;
  }
  .compare-card h3{ font-size:21px; margin-bottom:6px; }
  .compare-card .sub{ font-size:13px; color:var(--aqua); font-weight:700; margin-bottom:20px; display:block; }
  .compare-card ul{ list-style:none; margin:0; padding:0; }
  .compare-card li{ position:relative; padding-left:22px; margin-bottom:13px; color:#3d4c49; font-size:15px; }
  .compare-card li::before{ content:"✓"; position:absolute; left:0; color:var(--aqua); font-weight:700; }
  @media (max-width:760px){ .compare{ grid-template-columns:1fr; } }

  .disclaimer{
    margin-top:30px; padding:20px 24px; background:var(--aqua-light); border-radius:2px;
    font-size:14px; color:#294948; display:flex; gap:14px; align-items:flex-start;
  }
  .disclaimer strong{ color:var(--aqua-deep); }

  /* ---------- Contatti ---------- */
  .contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
  .contact-card{ padding:32px; border:1px solid var(--line); }
  .contact-card .tag{ font-size:11.5px; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--aqua); }
  .contact-card h3{ font-size:22px; margin:8px 0 16px; }
  .contact-card p{ margin:0 0 6px; color:#3d4c49; font-size:15px; }
  .contact-card a{ text-decoration:none; color:var(--aqua-deep); font-weight:600; }
  @media (max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }

  /* ---------- Form di contatto ---------- */
  .contact-form-card{ margin-top:32px; padding:36px; border:1px solid var(--line); background:#fff; }
  .contact-form-card .tag{ font-size:11.5px; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--aqua); display:block; margin-bottom:8px; }
  .contact-form-card h3{ font-size:22px; margin-bottom:22px; }
  .form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
  .form-field{ margin-bottom:20px; }
  .form-field label{ display:block; font-size:13px; font-weight:700; letter-spacing:0.03em; color:var(--aqua-deep); margin-bottom:7px; }
  .form-field input, .form-field textarea{
    width:100%; border:1px solid var(--line); border-radius:2px; padding:12px 14px;
    font-family:'Manrope', sans-serif; font-size:15px; color:var(--ink); background:var(--paper);
    transition:border-color .2s ease;
  }
  .form-field input:focus, .form-field textarea:focus{ outline:none; border-color:var(--aqua); }
  .form-field textarea{ resize:vertical; min-height:110px; }
  .contact-form .btn{ border:none; }
  .form-note{ margin:16px 0 0; font-size:13px; color:#6b7a77; }
  .form-note.success{ color:var(--aqua-deep); font-weight:700; }
  @media (max-width:640px){ .form-row{ grid-template-columns:1fr; } }

  footer{
    border-top:1px solid var(--line); padding:36px 0; font-size:13px; color:#6b7a77;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  }

  .reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
  .reveal.visible{ opacity:1; transform:translateY(0); }