:root{
    --ink:#0b0b0c;
    --ink-soft:#17171a;
    --paper:#faf9f6;
    --paper-soft:#f2f0ea;
    --gold:#c6a15b;
    --gold-deep:#8b6b2e;
    --gold-pale:#e8d9b8;
    --graphite:#4a4a48;
    --line:#e4dfd3;
    --line-dark:#2a2a2c;
    --max:1180px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--paper);
    color:var(--ink);
    font-family:'Manrope',sans-serif;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Cormorant Garamond', serif;
    font-weight:400;
    letter-spacing:.01em;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}
  .eyebrow{
    font-size:11px;
    letter-spacing:.22em;
    text-transform:uppercase;
    color:var(--gold-deep);
    font-weight:600;
  }

  /* --- lens ring signature element --- */
  .lens-ring{
    position:relative;
    border-radius:50%;
    border:1px solid var(--gold);
  }
  .lens-ring::after{
    content:'';
    position:absolute;
    inset:-10px;
    border-radius:50%;
    border:1px solid rgba(198,161,91,.35);
  }

  /* --- header --- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:50;
    padding:22px 0;
    transition:background .4s ease, padding .4s ease;
  }
  header.solid{
    background:rgba(11,11,12,.92);
    backdrop-filter:blur(6px);
    padding:14px 0;
    box-shadow:0 1px 0 rgba(198,161,91,.15);
  }
  header .wrap{display:flex;align-items:center;justify-content:space-between;}
  .logo{display:block;}
  .logo img{height:36px;width:auto;display:block;}
  nav ul{display:flex;gap:36px;list-style:none;}
  nav a{
    color:var(--paper);
    font-size:13px;
    letter-spacing:.05em;
    text-transform:uppercase;
    position:relative;
    padding-bottom:4px;
  }
  nav a::after{
    content:'';position:absolute;left:0;bottom:0;width:0;height:1px;
    background:var(--gold);transition:width .3s ease;
  }
  nav a:hover::after{width:100%;}
  .nav-toggle{display:none;background:none;border:none;color:var(--paper);font-size:24px;}

  /* --- hero --- */
  .hero{
    min-height:100vh;
    background:var(--ink);
    position:relative;
    display:flex;
    align-items:center;
    padding-top:120px;
    overflow:hidden;
  }
  .hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:
      radial-gradient(ellipse at 75% 30%, rgba(198,161,91,.14), transparent 55%),
      radial-gradient(ellipse at 15% 80%, rgba(198,161,91,.08), transparent 50%);
  }

  .hero-slides{position:absolute;inset:0;z-index:0;}
  .hero-slide{
    position:absolute;inset:0;
    background-size:cover;background-position:center;
    background-color:var(--ink);
    opacity:0;transition:opacity 1.4s ease;
  }
  .hero-slide.active{opacity:1;}
  .hero-slide::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(11,11,12,.6), rgba(11,11,12,.88));
  }
  .hero-slide[data-theme="lentes"]{background-image:radial-gradient(circle at 30% 35%, rgba(198,161,91,.28), transparent 60%), linear-gradient(135deg,#101012,#0b0b0c);}
  .hero-slide[data-theme="armacoes"]{background-image:radial-gradient(circle at 72% 62%, rgba(198,161,91,.24), transparent 55%), linear-gradient(135deg,#0e0e10,#141416);}
  .hero-slide[data-theme="consulta"]{background-image:radial-gradient(circle at 50% 25%, rgba(198,161,91,.26), transparent 60%), linear-gradient(135deg,#0b0b0c,#121214);}
  .hero-dots{
    position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
    display:flex;gap:10px;z-index:3;
  }
  .hero-dot{
    width:8px;height:8px;border-radius:50%;border:none;cursor:pointer;
    background:rgba(255,255,255,.35);transition:all .3s ease;
  }
  .hero-dot.active{background:var(--gold);width:24px;border-radius:4px;}

  .hero-ring{
    position:absolute;
    right:-120px;top:50%;
    width:520px;height:520px;
    transform:translateY(-50%);
    border-radius:50%;
    border:1px solid rgba(198,161,91,.4);
    animation:spin 60s linear infinite;
  }
  .hero-ring::before{
    content:'';position:absolute;inset:60px;border-radius:50%;
    border:1px solid rgba(198,161,91,.25);
  }
  .hero-ring::after{
    content:'';position:absolute;inset:120px;border-radius:50%;
    border:1px solid rgba(198,161,91,.15);
  }
  @keyframes spin{to{transform:translateY(-50%) rotate(360deg);}}

  .hero .wrap{position:relative;z-index:2;}
  .hero-content{max-width:640px;}
  .hero-content .eyebrow,
  .hero-content h1,
  .hero-content p{transition:opacity .25s ease;}
  .hero h1{
    color:var(--paper);
    font-size:clamp(36px,5vw,60px);
    line-height:1.15;
    font-weight:300;
    margin:18px 0 24px;
  }
  .hero h1 i{font-style:italic;color:var(--gold);}
  .hero p{
    color:#c9c8c3;
    font-size:17px;
    line-height:1.7;
    max-width:460px;
    margin-bottom:36px;
  }
  .cta-row{display:flex;gap:18px;flex-wrap:wrap;}
  .btn{
    display:inline-block;
    padding:15px 32px;
    font-size:13px;
    letter-spacing:.08em;
    text-transform:uppercase;
    border:1px solid var(--gold);
    transition:all .3s ease;
  }
  .btn-solid{background:var(--gold);color:var(--ink);}
  .btn-solid:hover{background:var(--gold-deep);border-color:var(--gold-deep);}
  .btn-ghost{color:var(--paper);}
  .btn-ghost:hover{background:rgba(198,161,91,.1);}

  /* --- section generic --- */
  section{padding:120px 0;}
  @media(max-width:700px){
    section{padding:64px 0;}
  }
  .section-head{max-width:640px;margin-bottom:64px;}
  @media(max-width:700px){
    .section-head{margin-bottom:36px;}
  }
  .section-head h2{font-size:clamp(32px,4vw,48px);font-weight:300;margin-top:14px;}
  .section-head p{color:var(--graphite);margin-top:16px;line-height:1.7;font-size:16px;}

  /* --- quem somos --- */
  .quemsomos-grid{
    display:grid;
    grid-template-columns:.9fr 1.1fr;
    gap:64px;
    align-items:center;
  }
  .qs-photo img{
    width:100%;
    border:1px solid var(--line);
    filter:grayscale(.15);
  }
  .qs-text h2{font-size:clamp(30px,4vw,44px);font-weight:300;margin:14px 0 20px;}
  .qs-text p{color:var(--graphite);line-height:1.75;font-size:15.5px;margin-bottom:22px;}
  .qs-pillars{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin:8px 0 26px;
    padding:28px 0;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .qs-pillars h4{
    font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--gold-deep);font-weight:700;margin-bottom:10px;
  }
  .qs-pillars p{font-size:13.5px;line-height:1.6;color:var(--graphite);margin-bottom:0;}
  @media(max-width:900px){
    .quemsomos-grid{grid-template-columns:1fr;}
    .qs-pillars{grid-template-columns:1fr;gap:20px;}
  }

  /* --- diferenciais --- */
  .diff-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:40px;
  }
  .diff-item{padding-top:28px;border-top:1px solid var(--line);}
  .diff-item .lens-ring{
    width:44px;height:44px;margin-bottom:24px;
    display:flex;align-items:center;justify-content:center;
    color:var(--gold);
  }
  .diff-item .lens-ring svg{width:22px;height:22px;}
  .diff-item h3{font-size:24px;font-weight:400;margin-bottom:12px;}
  .diff-item p{color:var(--graphite);font-size:15px;line-height:1.7;}

  /* --- parcerias --- */
  .partner-strip{
    display:flex;flex-wrap:wrap;align-items:center;gap:36px;margin-bottom:40px;
  }
  .partner-strip img{
    height:80px;width:auto;max-width:190px;
    object-fit:contain;
  }
  @media(max-width:600px){
    .partner-strip img{height:56px;}
  }
  .offer-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:1px;
    background:var(--line);
  }
  .offer-card{background:var(--paper);padding:36px;}
  .offer-card-photo{padding:0;display:flex;flex-direction:column;}
  .offer-card-photo img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;}
  .offer-card-body{padding:28px 36px 36px;}
  .offer-card-body p{margin-top:14px;font-size:16px;color:var(--ink);line-height:1.6;}
  .offer-tag{
    font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--gold-deep);font-weight:700;
  }
  .offer-card p{margin-top:14px;font-size:16px;color:var(--ink);line-height:1.6;}
  .offer-card strong{font-family:'Cormorant Garamond',serif;font-size:28px;color:var(--gold-deep);font-weight:500;}
  .offer-highlight-row{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap;}
  .offer-highlight-box{
    background:var(--gold-pale);border-radius:10px;padding:16px 22px;text-align:center;min-width:110px;
  }
  .offer-highlight-box strong{
    font-family:'Cormorant Garamond',serif;font-size:44px;line-height:1;color:var(--gold-deep);font-weight:500;display:block;
  }
  .offer-highlight-label{font-size:12px;color:var(--gold-deep);letter-spacing:.04em;display:block;margin-top:4px;}
  .offer-subtext{margin-top:14px;font-size:15px;color:var(--ink);line-height:1.6;}
  .offer-urgency-badge{
    font-size:11px;font-weight:700;letter-spacing:.04em;color:#a13b3b;background:#fbe4e4;
    padding:4px 12px;border-radius:20px;white-space:nowrap;text-transform:uppercase;
  }
  .offer-price-line{font-size:13px;color:var(--ink-soft);margin-top:16px;}
  .offer-price{
    font-family:'Cormorant Garamond',serif;font-size:26px;color:var(--ink);font-weight:500;display:block;margin-top:2px;
  }
  @media(max-width:700px){.offer-grid{grid-template-columns:1fr;}}

  /* --- blog / duvidas --- */
  .blog-section{background:var(--paper-soft);}
  .cat-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:48px;}
  .cat-tab{
    padding:9px 18px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;
    border:1px solid var(--line);background:transparent;cursor:pointer;
    transition:all .25s ease; color:var(--graphite);
  }
  .cat-tab.active, .cat-tab:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}

  .post-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    border-top:1px solid var(--line);
    border-left:1px solid var(--line);
  }
  .post-card{
    padding:36px 32px;
    border-right:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background:var(--paper);
    transition:background .25s ease;
  }
  .post-card:hover{background:#fff;}
  .post-cat{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep);font-weight:700;}
  .post-card h3{
    font-size:25px;font-weight:500;margin:14px 0 12px;line-height:1.3;
    color:var(--ink);transition:color .25s ease;
  }
  .post-card:hover h3{color:var(--gold-deep);}
  .post-card p{color:var(--graphite);font-size:14px;line-height:1.6;margin-bottom:18px;}
  .post-link{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);border-bottom:1px solid var(--gold);padding-bottom:2px;}

  /* --- marcas strip --- */
  .brands{
    background:var(--ink);
    padding:52px 0;
  }
  .brands .wrap{display:flex;flex-direction:column;gap:28px;}
  .brand-row{display:flex;align-items:baseline;gap:28px;flex-wrap:wrap;}
  .brand-row + .brand-row{padding-top:28px;border-top:1px solid rgba(198,161,91,.15);}
  .brand-label{
    font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--gold);font-weight:700;white-space:nowrap;min-width:170px;
  }
  .brand-list{display:flex;flex-wrap:wrap;gap:8px 28px;}
  .brand-list span{
    color:var(--gold-pale);font-family:'Manrope',sans-serif;font-size:13px;
    font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  }
  @media(max-width:700px){
    .brand-row{flex-direction:column;gap:14px;}
  }

  /* --- depoimentos --- */
  .testi-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
    background:var(--line);
  }
  .testi-card{background:var(--paper);padding:32px;}
  .testi-card .stars{color:var(--gold);letter-spacing:3px;font-size:14px;margin-bottom:16px;}
  .testi-card p{font-size:14.5px;line-height:1.7;color:var(--graphite);font-style:italic;margin-bottom:18px;}
  .testi-name{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);font-weight:600;}
  @media(max-width:900px){.testi-grid{grid-template-columns:1fr;}}

  /* --- location / cta --- */
  .location{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:0;
    align-items:stretch;
  }
  .location-info{padding:100px 64px;background:var(--ink);color:var(--paper);}
  .location-info h2{font-size:36px;font-weight:300;color:var(--paper);margin:14px 0 20px;}
  .location-info p{color:#c9c8c3;line-height:1.8;margin-bottom:8px;font-size:15px;}
  .location-info p a{color:var(--gold-pale);border-bottom:1px solid transparent;}
  .location-info p a:hover{color:var(--gold);border-bottom-color:var(--gold);}
  .location-map{
    min-height:420px;
    line-height:0;
  }
  .location-map iframe{filter:grayscale(.4) contrast(1.05);}
  .social-row{display:flex;gap:20px;margin-top:24px;}
  .social-row a{
    font-size:12px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--gold-pale);border-bottom:1px solid rgba(198,161,91,.4);padding-bottom:3px;
  }
  .social-row a:hover{color:var(--gold);}

  /* --- footer --- */
  footer{background:var(--ink);color:#b8b6ae;padding:60px 0 30px;border-top:1px solid rgba(198,161,91,.2);}
  .footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:40px;margin-bottom:40px;}
  .footer-col h4{color:var(--paper);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px;font-weight:600;}
  .footer-col a{display:block;font-size:14px;margin-bottom:10px;color:#d8d6cd;}
  .footer-col a:hover{color:var(--gold);}
  .footer-col a:hover{color:var(--gold);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding-top:24px;
    font-size:12px;
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  }

  /* --- reveal on scroll --- */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease, transform .8s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  @media(max-width:1000px) and (min-width:901px){
    .diff-grid{grid-template-columns:repeat(2,1fr);}
  }

  @media(max-width:900px){
    .diff-grid{grid-template-columns:1fr;gap:36px;}
    .post-grid{grid-template-columns:1fr;}
    .location{grid-template-columns:1fr;}
    .location-info{padding:64px 32px;}
    nav ul{display:none;}
    .nav-toggle{display:block;position:relative;z-index:60;}
    nav.nav-open ul{
      display:flex;flex-direction:column;
      position:absolute;top:100%;left:0;right:0;
      background:rgba(11,11,12,.97);
      padding:20px 32px 28px;gap:18px;
      border-top:1px solid rgba(198,161,91,.2);
    }
    .hero-ring{width:340px;height:340px;right:-160px;}
  }

  /* --- ideal (encontre seu oculos) --- */
  #ideal{background:var(--paper);}
  .ideal-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:20px;
  }
  .ideal-card{
    background:var(--paper);
    border:1px solid var(--line);
    overflow:hidden;
    transition:transform .3s ease, box-shadow .3s ease;
  }
  .ideal-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(11,11,12,.1);}
  .ideal-card img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block;}
  .ideal-info{padding:20px 18px 24px;}
  .ideal-info h3{font-size:19px;font-weight:500;margin-bottom:8px;color:var(--ink);}
  .ideal-info p{font-size:13px;line-height:1.55;color:var(--graphite);margin-bottom:16px;min-height:40px;}
  .ideal-btn{
    display:block;text-align:center;
    padding:11px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;
    border:1px solid var(--gold);color:var(--gold-deep);font-weight:600;
    transition:all .25s ease;
  }
  .ideal-btn:hover{background:var(--gold);color:var(--ink);}
  @media(max-width:1100px){
    .ideal-grid{grid-template-columns:repeat(3,1fr);}
  }
  @media(max-width:700px){
    .ideal-grid{grid-template-columns:repeat(2,1fr);}
  }

  /* --- floating whatsapp button --- */
  .whatsapp-float{
    position:fixed;
    bottom:26px;right:26px;
    width:58px;height:58px;
    background:#25D366;
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 20px rgba(0,0,0,.3);
    z-index:100;
    transition:transform .25s ease;
  }
  .whatsapp-float:hover{transform:scale(1.08);}

  /* --- face guide diagram (blog) --- */
  .face-guide{
    margin:32px 0 8px;
    padding:0;
    background:var(--paper-soft);
    border:1px solid var(--line);
    overflow:hidden;
  }
  .face-guide img{width:100%;height:auto;display:block;}

  /* --- article cover image (blog) --- */
  .article-cover{
    margin:0 0 36px;
    border:1px solid var(--line);
    overflow:hidden;
    background:var(--paper-soft);
  }
  .article-cover img{width:100%;height:auto;max-height:440px;object-fit:cover;display:block;}

  /* --- quality banner --- */
  .quality-banner{
    background:var(--ink);
    padding:70px 0;
    text-align:center;
    border-top:1px solid rgba(198,161,91,.25);
    border-bottom:1px solid rgba(198,161,91,.25);
  }
  .quality-banner .wrap{max-width:760px;}
  .quality-banner h2{
    color:var(--paper);
    font-size:clamp(26px,3.4vw,38px);
    font-weight:300;line-height:1.3;margin-bottom:20px;
  }
  .quality-banner h2 i{color:var(--gold);font-style:italic;}
  .quality-banner p{
    color:#c9c8c3;font-size:16px;line-height:1.75;margin-bottom:28px;
  }
  .quality-tagline{
    font-family:'Cormorant Garamond',serif;
    font-size:20px;color:#c9c8c3;letter-spacing:.02em;
  }
  .quality-tagline span{color:var(--gold);font-style:italic;}

  /* --- blog "ver mais" --- */
  .blog-more{text-align:center;margin-top:48px;}