:root{
    --navy-1:#1a3a5c;
    --navy-2:#0f2338;
    --navy-ink:#122438;
    --gold:#c9a84c;
    --gold-soft:#e3cd8d;
    --bg:#f5f5f3;
    --paper:#ffffff;
    --muted:#5c6b78;
    --line:rgba(26,58,92,0.14);
    --sys: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sys);
    background:var(--bg);
    color:var(--navy-ink);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
  .eyebrow{
    font-size:12.5px;
    font-weight:700;
    letter-spacing:.14em;
    text-transform:uppercase;
    color:var(--gold);
  }
  .eyebrow.on-light{color:#a4863a;}
  h1,h2,h3{font-family:var(--sys); margin:0; line-height:1.08;}
  h1{font-weight:800; letter-spacing:-0.02em;}
  h2{font-weight:800; letter-spacing:-0.015em;}
  p{line-height:1.6; color:var(--muted); margin:0;}
  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:14px 26px;
    border-radius:999px;
    font-weight:700;
    font-size:15px;
    cursor:pointer;
    border:1px solid transparent;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
    white-space:nowrap;
  }
  .btn:hover{transform:translateY(-1px);}
  .btn-gold{background:var(--gold); color:var(--navy-2);}
  .btn-gold:hover{box-shadow:0 10px 24px rgba(201,168,76,.35);}
  .btn-outline{background:transparent; color:#fff; border-color:rgba(255,255,255,.4);}
  .btn-outline:hover{background:rgba(255,255,255,.08);}
  .btn-navy{background:var(--navy-1); color:#fff;}
  .btn-navy:hover{box-shadow:0 10px 24px rgba(26,58,92,.28);}
  .btn-ghost{background:transparent; color:var(--navy-1); border-color:var(--line);}
  .btn-ghost:hover{background:rgba(26,58,92,.05);}

  /* ---------- NAV ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(245,245,243,.86);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 24px;
    max-width:1180px; margin:0 auto;
  }
  .brand{display:flex; align-items:center; gap:10px; font-weight:800; font-size:18px; color:var(--navy-2);}
  .brand-mark{width:34px; height:34px; border-radius:9px; flex:none; object-fit:contain;}
  .btn-outline-nav{background:transparent; color:var(--navy-1); border:1.5px solid var(--navy-1); padding:9px 17px; font-size:13.5px;}
  .btn-outline-nav:hover{background:var(--navy-1); color:#fff;}
  .brand small{display:block; font-weight:600; font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--gold); margin-top:1px;}
  .nav-links{display:flex; align-items:center; gap:28px; font-size:14.5px; font-weight:600; color:var(--navy-ink);}
  .nav-links a{opacity:.8;}
  .nav-links a:hover{opacity:1;}
  .nav-cta{display:flex; gap:10px;}
  .nav-cta .btn{padding:10px 18px; font-size:13.5px;}
  .nav-toggle{display:none;}

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    background:linear-gradient(160deg, var(--navy-1) 0%, var(--navy-2) 78%);
    color:#fff;
    overflow:hidden;
    padding:96px 0 120px;
  }
  .hero::after{
    content:"";
    position:absolute; inset:0;
    background:
      radial-gradient(520px 420px at 88% 8%, rgba(201,168,76,.16), transparent 60%),
      radial-gradient(600px 500px at 10% 100%, rgba(255,255,255,.05), transparent 60%);
    pointer-events:none;
  }
  .flow-line{position:absolute; inset:0; width:100%; height:100%; pointer-events:none; opacity:.55;}
  .flow-line path{
    fill:none; stroke:url(#flowGrad); stroke-width:1.4;
    stroke-dasharray:2400; stroke-dashoffset:2400;
    animation:draw 2.6s ease forwards .2s;
  }
  @keyframes draw{to{stroke-dashoffset:0;}}
  .hero-inner{position:relative; z-index:2; display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center;}
  .hero-copy .eyebrow{color:var(--gold-soft);}
  .hero h1{font-size:50px; margin-top:14px; color:#fff;}
  .hero h1 em{font-style:normal; color:var(--gold-soft);}
  .hero p.lead{color:rgba(255,255,255,.72); font-size:18px; margin-top:20px; max-width:520px;}
  .hero-cta{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
  .hero-note{margin-top:20px; font-size:13px; color:rgba(255,255,255,.5);}
  .hero-doctor{
    display:flex; align-items:center; gap:12px;
    margin-top:44px; padding-top:24px; border-top:1px solid rgba(255,255,255,.14);
    max-width:520px;
  }
  .doctor-badge{
    width:44px; height:44px; border-radius:50%;
    background:linear-gradient(160deg,#fff,#dfe7ee);
    display:flex; align-items:center; justify-content:center;
    color:var(--navy-2); font-weight:800; font-size:15px; flex:none;
  }
  .hero-doctor .who{font-size:13.5px; color:rgba(255,255,255,.75); line-height:1.45;}
  .hero-doctor .who strong{color:#fff; font-weight:700;}

  .hero-cards{position:relative; display:flex; flex-direction:column; gap:18px;}
  .float-card{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.14);
    border-radius:18px;
    padding:20px 22px;
    display:flex; align-items:center; gap:16px;
    backdrop-filter:blur(6px);
  }
  .float-card img{width:46px; height:46px; border-radius:11px; flex:none;}
  .float-card .fc-title{font-weight:700; font-size:15.5px; color:#fff;}
  .float-card .fc-sub{font-size:12.5px; color:rgba(255,255,255,.6); margin-top:2px;}
  .float-card:nth-child(2){margin-left:34px;}

  /* ---------- SECTION SHELL ---------- */
  section{padding:96px 0;}
  .section-head{max-width:640px; margin:0 auto 56px; text-align:center;}
  .section-head h2{font-size:34px;}
  .section-head h2 em{font-style:italic; font-weight:800;}
  .section-head p{margin-top:14px; font-size:16.5px;}
  .section-head.left{margin:0 0 44px; text-align:left;}

  /* ---------- PROBLEM ---------- */
  .problem{background:var(--paper);}
  .problem-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:20px; overflow:hidden;}
  .problem-item{background:var(--paper); padding:34px 30px;}
  .problem-item .num{font-size:13px; font-weight:800; color:var(--gold); letter-spacing:.08em;}
  .problem-item h3{font-size:18.5px; margin-top:14px; color:var(--navy-2);}
  .problem-item p{margin-top:10px; font-size:14.5px;}

  /* ---------- PRODUCT SECTIONS ---------- */
  .product{scroll-margin-top:90px;}
  .product-head{display:flex; align-items:flex-start; justify-content:space-between; gap:40px; flex-wrap:wrap; margin-bottom:52px;}
  .product-head .logo-lockup{height:52px; width:auto;}
  .product-head p{max-width:480px; margin-top:16px; font-size:16px;}
  .product-tag{
    font-size:13px; font-weight:700; padding:7px 14px; border-radius:999px;
    border:1px solid var(--line); color:var(--navy-1); background:var(--paper);
    white-space:nowrap;
  }

  .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-bottom:52px;}
  .step{
    background:var(--paper); border:1px solid var(--line); border-radius:16px; padding:26px 22px;
    position:relative;
  }
  .step .step-num{
    width:30px; height:30px; border-radius:9px; background:var(--navy-1); color:#fff;
    display:flex; align-items:center; justify-content:center; font-weight:800; font-size:14px;
  }
  .step h3{font-size:15.5px; margin-top:16px; color:var(--navy-2);}
  .step p{font-size:13.5px; margin-top:8px;}

  .blocks3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-bottom:52px;}
  .blocks2{grid-template-columns:.8fr 1.2fr;}
  .blocks2even{grid-template-columns:1fr 1fr;}
  .block-card{
    background:var(--paper); border:1px solid var(--line); border-radius:18px; padding:28px 26px;
  }
  .block-card-wide{background:linear-gradient(165deg, var(--navy-1), var(--navy-2)); border-color:transparent;}
  .block-card.block-card-wide h3, .block-card.block-card-wide p{color:#fff;}
  .block-card.block-card-wide .tag-paid{background:rgba(255,255,255,.14); color:var(--gold-soft);}
  .block-sub{list-style:none; margin:16px 0 0; padding:0; display:flex; flex-direction:column; gap:14px;}
  .block-sub li{font-size:14px; color:rgba(255,255,255,.78); line-height:1.6; padding-left:18px; position:relative;}
  .block-sub li::before{content:""; position:absolute; left:0; top:8px; width:7px; height:7px; border-radius:50%; background:var(--gold);}
  .block-sub li strong{color:#fff; font-weight:700;}
  .block-card .tag-free{display:inline-block; font-size:11.5px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; color:#1e7a4a; background:#e4f4ea; padding:4px 10px; border-radius:999px; margin-bottom:14px;}
  .block-card .tag-paid{display:inline-block; font-size:11.5px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; color:#a4863a; background:#f7edd6; padding:4px 10px; border-radius:999px; margin-bottom:14px;}
  .block-card h3{font-size:17px; color:var(--navy-2);}
  .block-card p{font-size:14px; margin-top:10px;}

  .notice{
    display:flex; gap:14px; align-items:flex-start;
    background:#fbf6e9; border:1px solid #ecdcac; border-radius:14px;
    padding:18px 20px; font-size:14px; color:#6b5a24; margin-bottom:52px;
  }
  .notice b{color:#4d3f18;}
  .notice .ico{flex:none; width:20px; height:20px; margin-top:1px;}

  .plans{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px;}
  .plan-card{
    background:var(--paper); border:1px solid var(--line); border-radius:18px; padding:28px 24px;
    display:flex; flex-direction:column;
  }
  .plan-card.featured{
    background:linear-gradient(165deg, var(--navy-1), var(--navy-2)); color:#fff; border-color:transparent;
  }
  .plan-card.featured .plan-name, .plan-card.featured h4{color:#fff;}
  .plan-card.featured p{color:rgba(255,255,255,.72);}
  .plan-card .plan-name{font-size:12px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; color:var(--gold);}
  .plan-card h4{font-size:20px; margin-top:10px; color:var(--navy-2);}
  .plan-card p{font-size:13.5px; margin-top:8px; flex:1;}
  .plan-card .btn{margin-top:22px; justify-content:center;}

  .laudai-section{background:var(--bg);}
  .cirurgia-section{background:var(--paper);}

  /* ---------- WHY / TRUST ---------- */
  .trust{background:var(--navy-2); color:#fff;}
  .trust .wrap{display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; align-items:center;}
  .trust h2{font-size:30px; color:#fff;}
  .trust .eyebrow{color:var(--gold-soft);}
  .trust p{color:rgba(255,255,255,.68); margin-top:16px; font-size:16px;}
  .trust-points{display:grid; gap:18px;}
  .trust-point{display:flex; gap:14px; align-items:flex-start; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:18px 20px;}
  .trust-point .dot{width:8px; height:8px; border-radius:50%; background:var(--gold); margin-top:7px; flex:none;}
  .trust-point div p{color:rgba(255,255,255,.62); font-size:14px; margin-top:4px;}
  .trust-point div b{color:#fff; font-size:15px;}

  /* ---------- FAQ ---------- */
  .faq{background:var(--bg);}
  .faq-list{max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:16px; overflow:hidden;}
  details{background:var(--paper); padding:22px 26px;}
  details summary{cursor:pointer; font-weight:700; font-size:15.5px; color:var(--navy-2); list-style:none; display:flex; justify-content:space-between; align-items:center; gap:16px;}
  details summary::-webkit-details-marker{display:none;}
  details summary::after{content:"+"; font-size:22px; font-weight:400; color:var(--gold); flex:none;}
  details[open] summary::after{content:"–";}
  details p{margin-top:12px; font-size:14.5px;}

  /* ---------- FINAL CTA ---------- */
  .final-cta{
    background:linear-gradient(160deg, var(--navy-1), var(--navy-2));
    color:#fff; text-align:center; padding:90px 0;
  }
  .final-cta h2{color:#fff; font-size:32px;}
  .final-cta p{color:rgba(255,255,255,.68); margin:16px auto 0; max-width:520px; font-size:16.5px;}
  .final-cta .hero-cta{justify-content:center; margin-top:32px;}

  /* ---------- FOOTER ---------- */
  footer{background:#0c1c2c; color:rgba(255,255,255,.55); padding:56px 0 30px; font-size:13.5px;}
  .footer-top{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.1);}
  .footer-brand .brand{color:#fff;}
  .footer-brand p{margin-top:14px; color:rgba(255,255,255,.5); font-size:13.5px; max-width:280px;}
  footer h5{color:#fff; font-size:12.5px; text-transform:uppercase; letter-spacing:.08em; margin-bottom:14px;}
  footer ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px;}
  footer a:hover{color:#fff;}
  .footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top:24px; font-size:12.5px; color:rgba(255,255,255,.4);}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 920px){
    .hero-inner{grid-template-columns:1fr;}
    .hero-cards{order:-1;}
    .hero h1{font-size:38px;}
    .problem-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr 1fr;}
    .blocks3{grid-template-columns:1fr;}
    .blocks2{grid-template-columns:1fr;}
    .trust .wrap{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr; gap:28px;}
    .nav-links{display:none;}
  }
  @media (max-width: 560px){
    .steps{grid-template-columns:1fr;}
    .hero{padding:70px 0 90px;}
    section{padding:70px 0;}
    .product-head{flex-direction:column;}
  }

  /* ---------- SUBPAGE ADDITIONS (LaudAI / CirurgIA landing pages) ---------- */
  .btn-whatsapp{background:#25D366; color:#0b3d19;}
  .btn-whatsapp:hover{box-shadow:0 10px 24px rgba(37,211,102,.35);}
  .btn-whatsapp svg{width:17px; height:17px; flex:none;}
  .brand-mini{display:flex; align-items:center; gap:10px; font-weight:800; font-size:17px; color:var(--navy-2);}
  .brand-mini img{width:32px; height:32px; border-radius:9px; flex:none;}
  .sub-nav-actions{display:flex; align-items:center; gap:10px;}
  .sub-nav-actions .btn{padding:10px 18px; font-size:13.5px;}
  .mini-crumb{font-size:13px; color:rgba(255,255,255,.55); margin-bottom:10px;}
  .mini-crumb a{color:rgba(255,255,255,.8); font-weight:600;}
  .feature-list{display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-bottom:52px;}
  .feature-item{background:var(--paper); border:1px solid var(--line); border-radius:16px; padding:26px 24px; display:flex; gap:16px; align-items:flex-start;}
  .feature-item .f-ico{width:42px; height:42px; border-radius:11px; background:var(--navy-1); flex:none; display:flex; align-items:center; justify-content:center;}
  .feature-item .f-ico svg{width:20px; height:20px; stroke:#fff;}
  .feature-item h3{font-size:16px; color:var(--navy-2); margin-bottom:6px;}
  .feature-item p{font-size:14px;}
  .whatsapp-band{
    background:linear-gradient(160deg, var(--navy-1), var(--navy-2));
    border-radius:20px; padding:36px 34px; margin:8px 0 52px;
    display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
    color:#fff;
  }
  .whatsapp-band h3{color:#fff; font-size:20px; margin-bottom:6px;}
  .whatsapp-band p{color:rgba(255,255,255,.68); font-size:14px; max-width:420px;}
  @media (max-width: 640px){
    .feature-list{grid-template-columns:1fr;}
    .whatsapp-band{flex-direction:column; align-items:flex-start;}
  }
  @media (prefers-reduced-motion: reduce){
    .flow-line path{animation:none; stroke-dashoffset:0;}
    .btn{transition:none;}
  }