:root{
    --void:#0a0a0a;
    --ink:#050505;
    --surface:#111614;
    --surface-2:#161c19;
    --line:rgba(0,255,65,.14);
    --line-2:rgba(0,255,65,.28);
    --green:#00ff41;
    --green-dim:#5c8f68;
    --green-deep:#0a2e14;
    --text:#EDEFED;
    --text-dim:#8A968E;
    --font-display:'Chakra Petch', sans-serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'JetBrains Mono', monospace;
    --nav-h:76px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--void);
    color:var(--text);
    font-family:var(--font-body);
    line-height:1.5;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
  img{max-width:100%;display:block;}
  ::selection{background:var(--green);color:#03110a;}
  :focus-visible{outline:2px solid var(--green);outline-offset:3px;}

  /* film grain overlay */
  .grain{
    position:fixed;inset:0;z-index:200;pointer-events:none;
    opacity:.035;mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  /* scroll progress */
  .progress-bar{
    position:fixed;top:0;left:0;height:2px;width:0%;
    background:var(--green);box-shadow:0 0 8px var(--green);
    z-index:210;transition:width .08s linear;
  }

  .container{max-width:1180px;margin:0 auto;padding:0 32px;}
  .eyebrow{
    font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
    text-transform:uppercase;color:var(--green);display:flex;align-items:center;gap:10px;
  }
  .eyebrow.dim{color:var(--green-dim);}

  .btn{
    display:inline-flex;align-items:center;gap:9px;
    font-family:var(--font-display);font-weight:600;font-size:14.5px;letter-spacing:.02em;
    padding:14px 24px;border-radius:9px;transition:transform .15s, box-shadow .15s, background .15s, border-color .15s;
  }
  .btn svg{width:16px;height:16px;}
  .btn-primary{
    background:linear-gradient(135deg,#18d95c,#0a6a2c);color:#03110a;
    box-shadow:0 6px 20px -6px rgba(0,255,65,.4);
    border:1px solid rgba(0,255,65,.35);
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 26px -6px rgba(0,255,65,.55);}
  .btn-ghost{
    border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.02);
  }
  .btn-ghost:hover{border-color:var(--green);background:var(--green-deep);}

  /* ---------------- NAV ---------------- */
  nav{
    position:fixed;top:0;left:0;right:0;z-index:150;
    height:var(--nav-h);
    display:flex;align-items:center;justify-content:space-between;
    padding:0 32px;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .3s, border-color .3s, backdrop-filter .3s;
  }
  nav.scrolled{
    background:rgba(10,10,10,.82);backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
  }
  .nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.04em;}
  .nav-logo svg{width:26px;height:26px;color:var(--green);}
  .nav-links{display:flex;gap:34px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-dim);}
  .nav-links a{transition:color .15s;position:relative;}
  .nav-links a:hover{color:var(--text);}
  @media (max-width:760px){ .nav-links{display:none;} }

  /* ---------------- HERO ---------------- */
  .hero{
    position:relative;min-height:100vh;display:flex;align-items:flex-end;
    overflow:hidden;padding-bottom:9vh;
    background:url('/assets/hero.png') center/cover no-repeat, var(--void);
  }
  .hero-scrim{
    position:absolute;inset:0;z-index:1;pointer-events:none;
    background:linear-gradient(100deg, rgba(10,10,10,.88) 0%, rgba(10,10,10,.62) 38%, rgba(10,10,10,.28) 68%, rgba(10,10,10,.15) 100%);
  }
  .hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;}
  .hero::after{
    content:'';position:absolute;left:0;right:0;bottom:0;height:45%;z-index:1;
    background:linear-gradient(to bottom, transparent, var(--void));pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;width:100%;padding:0 32px;max-width:1180px;margin:0 auto;}
  .hero-eyebrow{margin-bottom:18px;}
  .hero-word{display:flex;flex-wrap:wrap;line-height:.95;}
  .hero-word .ch{
    display:inline-block;
    font-family:var(--font-display);font-weight:700;
    font-size:clamp(52px, 11vw, 128px);
    color:var(--text);
    text-shadow:0 0 34px rgba(0,255,65,.18);
    opacity:0;
    animation:assemble .85s cubic-bezier(.16,.84,.44,1) forwards;
  }
  .hero-word .ch.space{width:.28em;}
  @keyframes assemble{ to{opacity:1;transform:translate3d(0,0,0) rotate(0deg) scale(1);filter:blur(0);} }
  .hero-sub{
    font-family:var(--font-display);font-weight:600;font-size:clamp(15px,2vw,20px);
    color:var(--green);letter-spacing:.08em;margin-top:4px;margin-bottom:20px;
    opacity:0;animation:fadeUp .7s ease forwards;animation-delay:1.1s;
  }
  .hero-desc{
    max-width:480px;color:var(--text-dim);font-size:15px;line-height:1.7;margin-bottom:30px;
    opacity:0;animation:fadeUp .7s ease forwards;animation-delay:1.25s;
  }
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;opacity:0;animation:fadeUp .7s ease forwards;animation-delay:1.4s;}
  @keyframes fadeUp{ from{opacity:0;transform:translateY(16px);} to{opacity:1;transform:translateY(0);} }

  .scroll-cue{
    position:absolute;left:32px;bottom:28px;z-index:2;
    display:flex;align-items:center;gap:10px;
    font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:var(--text-dim);
    opacity:0;animation:fadeUp .7s ease forwards;animation-delay:1.6s;
  }
  .scroll-cue .dot{width:5px;height:5px;border-radius:50%;background:var(--green);animation:bob 1.6s ease-in-out infinite;}
  @keyframes bob{ 0%,100%{transform:translateY(0);} 50%{transform:translateY(6px);} }

  /* ---------------- STATS ---------------- */
  .stats{
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    background:var(--surface);
  }
  .stats-grid{
    display:grid;grid-template-columns:repeat(4,1fr);
    max-width:1180px;margin:0 auto;
  }
  .stat{
    padding:34px 28px;border-right:1px solid var(--line);
    opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;
  }
  .stat:last-child{border-right:none;}
  .stat.in{opacity:1;transform:translateY(0);}
  .stat-num{font-family:var(--font-mono);font-size:26px;color:var(--green);font-weight:500;}
  .stat-label{font-size:12px;color:var(--text-dim);margin-top:6px;}
  @media (max-width:760px){
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .stat{border-right:1px solid var(--line);}
    .stat:nth-child(2n){border-right:none;}
  }

  /* ---------------- VANTAGENS ---------------- */
  .vantagens{position:relative;padding:14vh 0 10vh;}
  .vantagens::before{
    content:'';position:absolute;left:50%;top:0;bottom:0;width:1px;transform:translateX(-50%);
    background:linear-gradient(to bottom, transparent, var(--line-2) 8%, var(--line-2) 92%, transparent);
    z-index:0;
  }
  @media (max-width:900px){ .vantagens::before{display:none;} }

  .section-head{max-width:640px;margin:0 auto 10vh;text-align:center;padding:0 32px;}
  .section-head h2{
    font-family:var(--font-display);font-weight:700;
    font-size:clamp(30px,4vw,44px);margin-top:14px;
  }
  .section-head p{color:var(--text-dim);margin-top:14px;font-size:15px;}

  .panel{
    padding:5vh 0 5vh;display:flex;align-items:flex-start;position:relative;z-index:1;
  }
  .panel-inner{
    max-width:1180px;margin:0 auto;padding:0 32px;width:100%;
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  }
  .panel-content{
    grid-column:1;max-width:500px;
    opacity:1;transition:opacity .15s linear;
    will-change:opacity, transform;
  }
  .panel:nth-child(even) .panel-content{grid-column:2;}
  .panel-icon{
    width:50px;height:50px;border-radius:12px;
    background:var(--green-deep);border:1px solid var(--line-2);
    display:flex;align-items:center;justify-content:center;color:var(--green);
    margin-bottom:20px;
  }
  .panel-icon svg{width:24px;height:24px;}
  .panel-num{font-family:var(--font-mono);font-size:13px;color:var(--green-dim);margin-bottom:10px;letter-spacing:.1em;}
  .panel-content h3{font-family:var(--font-display);font-weight:700;font-size:clamp(24px,3vw,32px);margin-bottom:6px;}
  .panel-tag{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--green);margin-bottom:16px;}
  .panel-content p{color:var(--text-dim);font-size:14.5px;line-height:1.75;}
  .panel-content p + p{margin-top:14px;}

  .panel-visual{
    grid-column:2;justify-self:center;
    align-self:start;
    position:sticky;top:50%;
    width:100%;max-width:560px;
    opacity:1;transition:opacity .15s linear;
    will-change:opacity, transform;
  }
  .panel:nth-child(even) .panel-visual{grid-column:1;}
  .panel-visual img{
    width:100%;display:block;border-radius:16px;
    box-shadow:0 30px 70px -24px rgba(0,0,0,.65), 0 0 46px -12px rgba(0,255,65,.18);
  }

  .panel-bg{
    position:absolute;inset:-10% 0;z-index:0;pointer-events:none;
    background-size:cover;background-position:center;
    opacity:.4;filter:saturate(.75);
    will-change:transform;
  }
  .panel-bg::after{
    content:'';position:absolute;inset:0;
    background:
      radial-gradient(48% 60% at var(--gx,20%) var(--gy,30%), rgba(0,255,65,.14), transparent 68%),
      linear-gradient(180deg, rgba(10,10,10,.35), rgba(10,10,10,.88));
  }
  @media (max-width:900px){
    .panel-inner{grid-template-columns:1fr;gap:28px;}
    .panel:nth-child(even) .panel-content, .panel-content{grid-column:1;}
    .panel:nth-child(even) .panel-visual, .panel-visual{grid-column:1;order:-1;max-width:340px;margin:0 auto;position:static;top:auto;}
  }

  /* chapter rail */
  .rail{
    position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:120;
    display:flex;flex-direction:column;gap:16px;
    opacity:0;pointer-events:none;transition:opacity .4s ease;
  }
  .rail.show{opacity:1;pointer-events:auto;}
  .rail-dot{
    display:flex;align-items:center;gap:10px;justify-content:flex-end;
    font-family:var(--font-mono);font-size:10px;color:var(--text-dim);
  }
  .rail-dot .lbl{opacity:0;transform:translateX(6px);transition:opacity .2s, transform .2s;white-space:nowrap;}
  .rail-dot:hover .lbl{opacity:1;transform:translateX(0);}
  .rail-dot .pip{width:7px;height:7px;border-radius:50%;border:1px solid var(--green-dim);transition:background .2s, border-color .2s, box-shadow .2s;}
  .rail-dot.active .pip{background:var(--green);border-color:var(--green);box-shadow:0 0 8px var(--green);}
  .rail-dot.active .lbl{opacity:1;transform:translateX(0);color:var(--green);}
  @media (max-width:900px){ .rail{display:none;} }

  /* ---------------- VIDEO ---------------- */
  /*.video-section{padding:12vh 0;}*/
  .video-embed{
    position:relative;width:100%;max-width:900px;margin:0 auto;
    aspect-ratio:16/9;
    border-radius:16px;overflow:hidden;
    border:1px solid var(--line-2);
    background:var(--surface);
    box-shadow:0 30px 70px -24px rgba(0,0,0,.65), 0 0 46px -12px rgba(0,255,65,.18);
  }
  .video-embed iframe{
    position:absolute;inset:0;width:100%;height:100%;border:0;
  }

  /* ---------------- PLANOS ---------------- */
  .planos{padding:12vh 0;background:var(--surface);border-top:1px solid var(--line);}
  .plans-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8vh;
  }
  @media (max-width:860px){ .plans-grid{grid-template-columns:1fr;max-width:420px;margin-inline:auto;} }
  .plan-card{
    background:var(--void);border:1px solid var(--line);border-radius:16px;
    padding:28px;display:flex;flex-direction:column;gap:14px;position:relative;
    transition:border-color .2s, transform .2s;
  }
  .plan-card.featured{border-color:var(--green);box-shadow:0 0 0 1px var(--green), 0 20px 40px -20px rgba(0,255,65,.3);}
  .plan-card:hover{transform:translateY(-4px);}
  .plan-badge{
    position:absolute;top:-12px;left:28px;
    background:var(--green);color:#03110a;font-family:var(--font-mono);font-size:10px;
    font-weight:600;letter-spacing:.06em;padding:5px 10px;border-radius:6px;text-transform:uppercase;
  }
  .plan-days{font-family:var(--font-display);font-size:32px;font-weight:700;}
  .plan-days span{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);font-weight:400;margin-left:6px;}
  .plan-name{font-size:14px;color:var(--text-dim);}
  .plan-price{font-family:var(--font-mono);font-size:24px;color:var(--green);margin-top:6px;}
  .plan-price span{font-size:12px;color:var(--text-dim);}
  .plan-feats{list-style:none;display:flex;flex-direction:column;gap:8px;margin:6px 0 4px;font-size:13px;color:var(--text-dim);}
  .plan-feats li{display:flex;gap:8px;align-items:flex-start;}
  .plan-feats svg{width:14px;height:14px;color:var(--green);flex-shrink:0;margin-top:2px;}
  .plan-card .btn{justify-content:center;margin-top:auto;}

  /* ---------------- FAQ ---------------- */
  .faq{padding:12vh 0;max-width:760px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);padding:22px 0;}
  .faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;list-style:none;font-family:var(--font-display);font-weight:600;font-size:16.5px;}
  .faq-q::-webkit-details-marker{display:none;}
  .faq-icon{width:20px;height:20px;flex-shrink:0;color:var(--green);transition:transform .3s ease;}
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-a-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease;}
  .faq-item[open] .faq-a-wrap{grid-template-rows:1fr;}
  .faq-a{overflow:hidden;}
  .faq-a p{padding-top:12px;color:var(--text-dim);font-size:14.5px;line-height:1.75;max-width:660px;}

  /* ---------------- FOOTER ---------------- */
  footer{border-top:1px solid var(--line);padding:60px 0 34px;background:var(--surface);}
  .foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;margin-bottom:40px;}
  .foot-cta h3{font-family:var(--font-display);font-size:24px;font-weight:700;margin-bottom:10px;}
  .foot-cta p{color:var(--text-dim);font-size:14px;max-width:360px;}
  .foot-social{display:flex;gap:10px;align-items:flex-start;}
  .soc-btn{
    width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--text-dim);
    transition:border-color .15s, color .15s;
  }
  .soc-btn:hover{border-color:var(--green);color:var(--green);}
  .soc-btn svg{width:18px;height:18px;}
  .foot-bottom{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
    padding-top:24px;border-top:1px solid var(--line);
    font-family:var(--font-mono);font-size:11px;color:var(--text-dim);
  }