/* ==========================================================================
   LP Curso Presencial de Prótese Capilar — Diego Andrade
   Paleta: Preto / Laranja / Branco
   Sumário:
   01 Variáveis · 02 Reset/Base · 03 Componentes (botões, tags, títulos)
   04 Barra de topo · 05 Hero · 06 Dores · 07 Matemática · 08 Antes/Depois
   09 Método · 10 Espaço · 11 Autoridade/Provas · 12 Para quem é
   13 Investimento · 14 FAQ · 15 Fechamento/Rodapé · 16 Carrossel · 17 Vídeo
   18 Botão flutuante · 19 Animações · 20 Responsivo
   ========================================================================== */

/* 01 VARIÁVEIS */
:root{
  --primary:#D04523;
  --primary-hi:#e85a35;
  --primary-dark:#a8341a;
  --black:#000;
  --surface:#0d0d0d;
  --surface-2:#161616;
  --border:#262626;
  --white:#fff;
  --gray:#a3a3a3;
  --gray-dark:#6b6b6b;
  --radius:16px;
  --radius-sm:10px;
  --max:1120px;
  --font-body:'Inter','Segoe UI',Arial,sans-serif;
  --font-display:'Playfair Display',Georgia,'Times New Roman',serif;
  --topbar-h:40px;
}

/* 02 RESET / BASE */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:56px;}
body{
  background:var(--black);color:var(--white);
  font-family:var(--font-body);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  padding-top:var(--topbar-h);
}
img,video{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary-hi);outline-offset:3px;}

.container{max-width:var(--max);margin:0 auto;padding:0 20px;}
.narrow{max-width:820px;margin-left:auto;margin-right:auto;}
.center{text-align:center;}
section{padding:72px 0;position:relative;}
.bg-surface{background:var(--surface);}
.laranja{color:var(--primary);}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* 03 COMPONENTES */
h1,h2,h3{line-height:1.12;letter-spacing:-.5px;font-weight:800;}
h1{font-size:clamp(1.75rem,4.6vw,3.1rem);text-transform:uppercase;}
h2{font-size:clamp(1.55rem,3.6vw,2.4rem);text-transform:uppercase;}
h3{font-size:1.15rem;}
.serif{font-family:var(--font-display);font-weight:700;text-transform:none;letter-spacing:0;}
.lead{color:var(--gray);font-size:clamp(1rem,2.1vw,1.15rem);margin-top:20px;}
.lead strong{color:var(--white);}
.kicker{
  display:inline-block;color:var(--primary);font-size:.78rem;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;
}
.tag{
  display:inline-block;border:1px solid var(--primary);color:var(--primary);
  background:rgba(208,69,35,.08);padding:8px 20px;border-radius:100px;
  font-size:.74rem;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:22px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--primary);color:var(--white);font-weight:800;
  font-size:clamp(.92rem,2vw,1.08rem);text-transform:uppercase;letter-spacing:.5px;
  padding:20px 40px;border-radius:100px;border:0;
  box-shadow:0 10px 30px rgba(208,69,35,.35);
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn:hover{background:var(--primary-hi);transform:translateY(-2px);box-shadow:0 14px 34px rgba(208,69,35,.45);}
.btn svg{width:20px;height:20px;flex:0 0 auto;}
.btn-block{display:flex;width:100%;}
.btn-light{background:var(--white);color:var(--primary-dark);box-shadow:0 10px 30px rgba(0,0,0,.25);}
.btn-light:hover{background:#fff4f0;}
.btn-wrap{margin-top:34px;}
.micro{color:var(--gray);font-size:.85rem;margin-top:14px;}
.divider-top{border-top:1px solid var(--border);}

/* 04 BARRA DE TOPO */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--topbar-h);
  background:var(--primary);color:var(--white);text-align:center;
  font-weight:800;font-size:.72rem;letter-spacing:1px;text-transform:uppercase;
  display:flex;align-items:center;justify-content:center;padding:0 12px;line-height:1.2;
}

/* 05 HERO */
.hero{
  background:radial-gradient(circle at 70% 0%,#2e1007 0%,var(--black) 62%);
  padding:48px 0 72px;overflow:hidden;
}
.hero-grid{display:grid;gap:40px;align-items:center;}
.hero h1 .laranja{display:inline;}
.hero-sub{color:var(--gray);font-size:clamp(1rem,2.2vw,1.18rem);margin-top:22px;max-width:560px;}
.selos{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.selo{
  border:1px solid var(--border);border-radius:100px;padding:8px 16px;
  font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
}
.selo::before{content:"✓";color:var(--primary);margin-right:7px;}
.hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/5;background:var(--surface-2);border:1px solid var(--border);
  box-shadow:0 30px 80px rgba(208,69,35,.18);
}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:16px;bottom:16px;background:rgba(0,0,0,.72);
  backdrop-filter:blur(6px);border:1px solid var(--border);border-radius:12px;
  padding:12px 16px;font-size:.82rem;line-height:1.35;
}
.hero-badge b{display:block;color:var(--primary);font-size:1.25rem;}

/* 06 DORES */
.dores{display:grid;gap:14px;margin-top:36px;text-align:left;}
.dor{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;display:flex;gap:16px;align-items:flex-start;
}
.dor-ico{
  flex:0 0 44px;height:44px;border-radius:50%;border:1px solid var(--primary);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.dor-ico svg{width:22px;height:22px;}
.dor p{font-size:1.02rem;}
.fecho{
  margin-top:34px;font-size:clamp(1.1rem,2.6vw,1.45rem);font-weight:700;
  max-width:720px;margin-left:auto;margin-right:auto;
}
.transicao{color:var(--gray);margin-top:22px;max-width:640px;margin-left:auto;margin-right:auto;}

/* 07 MATEMÁTICA */
.comp{display:grid;gap:16px;align-items:stretch;max-width:880px;margin:38px auto 0;}
.comp-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 24px;text-align:left;
}
.comp-card h3{text-transform:uppercase;letter-spacing:1px;font-size:.85rem;color:var(--gray);margin-bottom:18px;}
.comp-card ul li{padding:11px 0;border-bottom:1px solid var(--border);color:var(--gray);font-size:.98rem;}
.comp-card ul li:last-child{border-bottom:0;}
.comp-card.destaque{border:2px solid var(--primary);background:#170a06;}
.comp-card.destaque h3{color:var(--primary);}
.comp-card.destaque li{color:var(--white);}
.comp-card .big{display:block;font-size:2.4rem;font-weight:800;color:var(--primary);line-height:1.1;margin-top:4px;}
.vs{display:none;}
.faixa{
  max-width:880px;margin:18px auto 0;background:var(--primary);border-radius:var(--radius);
  padding:18px 20px;text-align:center;font-weight:800;text-transform:uppercase;
  font-size:clamp(1rem,2.4vw,1.35rem);
}
.nota{color:var(--gray-dark);font-size:.78rem;margin-top:16px;max-width:760px;margin-left:auto;margin-right:auto;}

/* 08 / 11 PROVA VISUAL */
.ba-grid{display:grid;gap:22px;margin-top:38px;align-items:start;}
.ba-label{
  position:absolute;top:12px;padding:5px 12px;border-radius:100px;font-size:.68rem;
  font-weight:800;letter-spacing:1.2px;background:rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.2);
}
.ba-label.antes{left:12px;}
.ba-label.depois{right:12px;background:var(--primary);border-color:var(--primary);}

/* 09 MÉTODO */
.dias{display:grid;gap:14px;margin:36px 0 12px;}
.dia{
  border:1px solid var(--border);border-radius:var(--radius);padding:24px;background:var(--surface-2);
}
.dia.pratica{border:2px solid var(--primary);background:#170a06;}
.dia small{color:var(--primary);font-weight:800;letter-spacing:1.5px;text-transform:uppercase;font-size:.74rem;}
.dia h3{margin:6px 0 6px;font-size:1.3rem;}
.dia p{color:var(--gray);font-size:.95rem;}
.metodo-grid{display:grid;gap:30px;align-items:start;margin-top:30px;}
.modulos li{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--border);}
.modulos li:last-child{border-bottom:1px solid var(--border);}
.mod-n{font-family:var(--font-display);font-size:1.9rem;color:var(--primary);flex:0 0 46px;line-height:1.1;}
.modulos h3{margin-bottom:4px;}
.modulos p{color:var(--gray);font-size:.95rem;}
.leva{
  margin-top:34px;display:grid;gap:12px;
}
.leva-item{
  display:flex;gap:12px;align-items:flex-start;background:var(--surface-2);
  border:1px solid var(--border);border-left:3px solid var(--primary);border-radius:var(--radius-sm);padding:16px 18px;font-size:.97rem;
}
.leva-item::before{content:"✓";color:var(--primary);font-weight:800;}
.foto-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--surface-2);}
.foto-frame img{width:100%;height:100%;object-fit:cover;}
.ratio-45{aspect-ratio:4/5;}
.ratio-169{aspect-ratio:16/9;}

/* 10 ESPAÇO */
.destaques{display:grid;gap:12px;margin:34px 0 0;}
.destaque-item{
  display:flex;gap:14px;align-items:flex-start;border:1px solid var(--border);
  background:var(--surface-2);border-radius:var(--radius-sm);padding:18px 20px;text-align:left;
}
.destaque-item::before{content:"";flex:0 0 9px;height:9px;margin-top:9px;border-radius:50%;background:var(--primary);}
.local{margin-top:34px;color:var(--gray);font-size:.95rem;}
.local b{color:var(--white);}
.map-frame{margin-top:26px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);}
.map-frame iframe{width:100%;height:280px;border:0;display:block;filter:grayscale(.3) contrast(1.05);}

/* 11 AUTORIDADE */
.autor-grid{display:grid;gap:30px;align-items:center;}
.bio{color:var(--gray);margin-top:18px;}
.bio strong{color:var(--white);}
.numeros{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;}
.numero{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 8px;text-align:center;
}
.numero .n{font-size:clamp(1.4rem,4vw,2rem);font-weight:800;color:var(--primary);line-height:1.1;}
.numero .d{color:var(--gray);font-size:.78rem;margin-top:6px;line-height:1.3;}
.sub-h{margin-top:64px;text-align:center;}
.depo-quote{
  max-width:760px;margin:30px auto 0;padding:30px 28px;border-radius:var(--radius);
  background:var(--surface-2);border:1px solid var(--border);border-left:4px solid var(--primary);
  text-align:left;
}
.depo-quote p{font-family:var(--font-display);font-size:clamp(1.1rem,2.6vw,1.4rem);line-height:1.5;}
.depo-quote cite{display:block;margin-top:14px;color:var(--gray);font-style:normal;font-size:.88rem;}
.preco-prova{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:24px;
}
.preco-prova div{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 26px;text-align:center;min-width:170px;
}
.preco-prova b{display:block;color:var(--primary);font-size:1.7rem;}
.preco-prova span{color:var(--gray);font-size:.82rem;}

/* 12 PARA QUEM É */
.duas-col{display:grid;gap:16px;margin-top:36px;text-align:left;}
.col-box{border-radius:var(--radius);padding:28px 24px;border:1px solid var(--border);background:var(--surface-2);}
.col-box.sim{border:2px solid var(--primary);}
.col-box.nao{opacity:.85;}
.col-box h3{margin-bottom:16px;text-transform:uppercase;font-size:.9rem;letter-spacing:1px;}
.col-box.sim h3{color:var(--primary);}
.col-box.nao h3{color:var(--gray);}
.col-box li{display:flex;gap:12px;padding:9px 0;font-size:.97rem;}
.col-box.sim li::before{content:"✓";color:var(--primary);font-weight:800;}
.col-box.nao li::before{content:"✕";color:var(--gray-dark);font-weight:800;}
.col-box.nao li{color:var(--gray);}

/* 13 INVESTIMENTO */
.oferta{background:var(--primary);}
.oferta h2{color:var(--white);}
.oferta .lead{color:rgba(255,255,255,.92);}
.card-oferta{
  max-width:560px;margin:36px auto 0;background:var(--black);border-radius:22px;
  padding:38px 28px;text-align:left;
}
.card-oferta ul li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);font-size:.98rem;}
.card-oferta ul li::before{content:"✓";color:var(--primary);font-weight:800;}
.card-oferta ul li:last-child{border-bottom:0;}
.card-oferta .condicao{
  margin:22px 0 26px;padding:16px;border-radius:var(--radius-sm);
  background:rgba(208,69,35,.12);border:1px solid rgba(208,69,35,.4);
  font-size:.92rem;color:#ffd9cf;text-align:center;
}

/* 14 FAQ */
.faq-item{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;
  align-items:center;gap:16px;padding:20px 24px;font-weight:700;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--primary);font-size:1.6rem;font-weight:800;line-height:1;transition:transform .25s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open]{border-color:var(--primary);}
.faq-item .resp{padding:0 24px 22px;color:var(--gray);font-size:.98rem;}
.faq-final{text-align:center;margin-top:34px;}
.faq-final p{color:var(--gray);margin-bottom:16px;}

/* 15 FECHAMENTO / RODAPÉ */
.fechamento{background:radial-gradient(circle at 50% 100%,#2e1007 0%,var(--black) 65%);}
footer{border-top:1px solid var(--border);padding:44px 0 90px;text-align:center;}
footer p{color:var(--gray-dark);font-size:.8rem;margin-bottom:8px;}
footer .links{display:flex;gap:18px;justify-content:center;margin-bottom:18px;}
footer .links a{color:var(--gray);font-size:.85rem;border-bottom:1px solid transparent;}
footer .links a:hover{color:var(--primary);border-color:var(--primary);}

/* 16 CARROSSEL */
.carousel-area{position:relative;margin-top:34px;min-width:0;}
.ba-grid>*,.metodo-grid>*,.autor-grid>*,.hero-grid>*{min-width:0;}
.carousel{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 20px 12px;margin:0 -20px;scrollbar-width:none;cursor:grab;
  -webkit-overflow-scrolling:touch;
}
.carousel::-webkit-scrollbar{display:none;}
.carousel.dragging{cursor:grabbing;scroll-snap-type:none;scroll-behavior:auto;}
.slide{
  flex:0 0 78%;max-width:340px;scroll-snap-align:center;position:relative;
  border-radius:var(--radius);overflow:hidden;background:var(--surface-2);
  border:1px solid var(--border);user-select:none;
}
.slide img{width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-drag:none;}
.slide.r45{aspect-ratio:4/5;}
.slide.r11{aspect-ratio:1/1;}
.slide.print{flex-basis:72%;max-width:300px;aspect-ratio:9/16;}
.carousel-nav{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:20px;}
.seta{
  width:48px;height:48px;border-radius:50%;background:transparent;border:1px solid var(--primary);
  color:var(--primary);font-size:1.4rem;font-weight:800;display:flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease;
}
.seta:hover{background:var(--primary);color:var(--white);}
.dots{display:flex;gap:6px;}
.dots span{width:7px;height:7px;border-radius:50%;background:var(--gray-dark);transition:all .3s ease;}
.dots span.on{background:var(--primary);width:20px;border-radius:5px;}

/* 17 VÍDEO */
.video-card{
  position:relative;aspect-ratio:9/16;border-radius:var(--radius);overflow:hidden;
  background:#000;border:1px solid var(--border);
}
.video-card video{width:100%;height:100%;object-fit:cover;}
.btn-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:68px;height:68px;border-radius:50%;background:rgba(208,69,35,.92);border:0;
  box-shadow:0 4px 18px rgba(0,0,0,.55);transition:transform .25s ease,background .25s ease;z-index:2;
}
.btn-play:hover{transform:translate(-50%,-50%) scale(1.1);background:var(--primary);}
.btn-play::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-35%,-50%);
  border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;
}
.video-card.playing .btn-play{display:none;}
.video-label{
  position:absolute;left:12px;bottom:12px;right:12px;z-index:1;font-size:.82rem;
  background:rgba(0,0,0,.7);padding:8px 12px;border-radius:8px;pointer-events:none;
}
.video-card.playing .video-label{display:none;}
.videos-2{display:grid;grid-template-columns:1fr;gap:18px;max-width:340px;margin:34px auto 0;}

/* 18 BOTÃO FLUTUANTE */
.fab{
  position:fixed;right:16px;bottom:16px;z-index:90;display:flex;align-items:center;gap:10px;
  background:#16a34a;color:#fff;font-weight:800;font-size:.85rem;text-transform:uppercase;letter-spacing:.4px;
  padding:14px 20px;border-radius:100px;box-shadow:0 10px 28px rgba(0,0,0,.5);
  opacity:0;transform:translateY(20px);pointer-events:none;transition:all .3s ease;
}
.fab.show{opacity:1;transform:none;pointer-events:auto;}
.fab svg{width:22px;height:22px;}
.fab:hover{background:#18b552;}

/* 19 ANIMAÇÕES */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none!important;transition:none!important;}
  .js .reveal{opacity:1;transform:none;}
}

/* 20 RESPONSIVO */
@media(max-width:639px){
  .hide-sm{display:none;}
  .topbar{font-size:.66rem;}
}
@media(min-width:640px){
  .topbar{font-size:.8rem;letter-spacing:1.5px;}
  .dias{grid-template-columns:1fr 1fr;}
  .duas-col{grid-template-columns:1fr 1fr;}
  .destaques{grid-template-columns:1fr 1fr;}
  .videos-2{grid-template-columns:1fr 1fr;max-width:680px;}
  .slide{flex-basis:300px;}
  .slide.print{flex-basis:260px;}
}
@media(min-width:900px){
  section{padding:104px 0;}
  .hero{padding:72px 0 96px;}
  .hero-grid{grid-template-columns:1.1fr .9fr;gap:56px;}
  .dores{grid-template-columns:repeat(3,1fr);}
  .dor{flex-direction:column;}
  .comp{grid-template-columns:1fr auto 1fr;}
  .vs{display:flex;align-items:center;font-weight:800;color:var(--gray-dark);letter-spacing:2px;}
  .ba-grid{grid-template-columns:1.4fr .6fr;}
  .metodo-grid{grid-template-columns:1.1fr .9fr;gap:56px;position:relative;}
  .metodo-grid .foto-frame{position:sticky;top:90px;}
  .leva{grid-template-columns:1fr 1fr;}
  .autor-grid{grid-template-columns:.85fr 1.15fr;gap:56px;}
  .fab{right:28px;bottom:28px;}
  .carousel{padding:4px 0 12px;margin:0;}
}