/* =========================================================
   IMERSÃO ÁTOMO EXPRESS — Método Imersão à Manutenção
   Tokens: navy Átomo Express + laranja da marca (#f7941d)
   ========================================================= */

:root{
  --bg:        #0b0f1a;
  --bg-2:      #101728;
  --card:      #141c30;
  --card-2:    #1a2440;
  --text:      #eaf0ff;
  --muted:     #a3aec5;
  --accent:    #f7941d;
  --accent-d:  #d97b0a;
  --accent-l:  #ffb454;
  --accent2:   #2dd4bf;
  --green:     #16a34a;
  --red:       #ef4444;
  --border:    rgba(255,255,255,.09);
  --border-2:  rgba(255,255,255,.16);
  --shadow:    0 18px 44px rgba(0,0,0,.45);
  --radius:    18px;
  --radius-sm: 12px;
  --maxw:      1120px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{width:100%;min-height:100%}

body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:
    radial-gradient(1100px 480px at 12% -5%, rgba(247,148,29,.16), transparent 58%),
    radial-gradient(900px 420px at 88% 4%, rgba(45,212,191,.10), transparent 58%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#12161f}

.container{width:min(var(--maxw),92vw);margin-inline:auto}
.center{text-align:center}
.narrow{width:min(760px,92vw);margin-inline:auto}

/* ===== TIPOGRAFIA ===== */
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:800}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.section-title{font-size:clamp(26px,3.6vw,42px);margin-bottom:14px}
.section-lead{color:var(--muted);font-size:1.05rem;max-width:64ch;margin-bottom:38px}
.hl{color:var(--accent)}
.hl2{color:var(--accent2)}
strong{color:#fff;font-weight:700}

/* ===== BOTÕES ===== */
.btn{
  cursor:pointer;border:0;border-radius:999px;font-weight:800;font-size:1rem;
  padding:14px 28px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  transition:transform .12s ease,filter .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;user-select:none;font-family:inherit;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#12161f;box-shadow:0 6px 24px rgba(247,148,29,.30)}
.btn-primary:hover{background:var(--accent-l);box-shadow:0 8px 32px rgba(247,148,29,.45)}
.btn-wa{background:var(--green);color:#fff;box-shadow:0 6px 24px rgba(22,163,74,.28)}
.btn-wa:hover{filter:brightness(1.1)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border:1px solid var(--border-2)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:10px 20px;font-size:.88rem}
.btn-block{width:100%;padding:17px;font-size:1.06rem;border-radius:var(--radius)}

/* ===== BARRA DE URGÊNCIA ===== */
.urgency{
  background:var(--accent);color:#12161f;text-align:center;
  font-weight:800;font-size:.86rem;padding:9px 16px;line-height:1.4;
}
.urgency span{text-decoration:underline;text-underline-offset:3px}

/* ===== NAV ===== */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(11,15,26,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.brand-name{font-size:1.05rem}
.brand-name em{font-style:normal;font-weight:500;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.9rem;font-weight:600;color:var(--muted)}
.nav-links a:hover{color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;color:var(--text);padding:6px;cursor:pointer}
.nav-mobile{display:none;flex-direction:column;gap:14px;padding:18px 0 22px;border-top:1px solid var(--border);font-weight:600}
.nav-mobile.open{display:flex}
@media(max-width:900px){
  .nav-links,.nav-inner .btn{display:none}
  .nav-toggle{display:block}
}

/* ===== HERO ===== */
.hero{padding:72px 0 64px;position:relative}
.hero h1{font-size:clamp(32px,5.4vw,58px);max-width:17ch}
.hero-lead{margin-top:20px;font-size:clamp(1.02rem,1.6vw,1.22rem);color:var(--muted);max-width:60ch}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.fact{
  display:inline-flex;align-items:center;gap:8px;font-size:.86rem;font-weight:600;
  background:rgba(255,255,255,.045);border:1px solid var(--border);
  border-radius:999px;padding:8px 16px;color:var(--text);
}
.fact svg{color:var(--accent);flex:0 0 auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-note{margin-top:16px;font-size:.85rem;color:var(--muted)}

/* ===== STRIP DE NÚMEROS ===== */
.strip{
  background:rgba(255,255,255,.025);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:26px 0;
}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.strip-num{font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--accent);line-height:1.1}
.strip-lbl{font-size:.82rem;color:var(--muted);margin-top:4px}
@media(max-width:720px){.strip-grid{grid-template-columns:repeat(2,1fr);gap:26px 14px}}

/* ===== SEÇÕES ===== */
section{padding:76px 0}
.section-alt{background:rgba(255,255,255,.02);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* ===== CARDS ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:900px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;transition:border-color .2s ease,transform .2s ease;
}
.card:hover{border-color:var(--border-2);transform:translateY(-2px)}
.card h3{font-size:1.1rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.card-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(247,148,29,.12);color:var(--accent);
}

.card-bad{border-color:rgba(239,68,68,.28);background:rgba(239,68,68,.05)}
.card-bad h3{color:#ff9f9f}
.card-good{border-color:rgba(45,212,191,.28);background:rgba(45,212,191,.05)}
.card-good h3{color:var(--accent2)}
.list-check{list-style:none;display:flex;flex-direction:column;gap:11px;margin-top:14px}
.list-check li{position:relative;padding-left:28px;color:var(--muted);font-size:.95rem}
.list-check li::before{
  content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;
  background:rgba(45,212,191,.16);box-shadow:inset 0 0 0 1px rgba(45,212,191,.5);
}
.list-check li strong{color:var(--text)}
.list-x li::before{background:rgba(239,68,68,.16);box-shadow:inset 0 0 0 1px rgba(239,68,68,.5)}

/* ===== MÉTODO (fluxo) ===== */
.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px;justify-content:center;margin-top:8px}
.flow-step{
  flex:1 1 150px;min-width:140px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:16px 14px;text-align:center;
}
.flow-step b{display:block;font-size:.95rem;color:var(--accent)}
.flow-step span{font-size:.82rem;color:var(--muted)}

/* ===== EMENTA ===== */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:14px;flex-wrap:wrap}
.tab{
  cursor:pointer;font-family:inherit;font-weight:800;font-size:.95rem;
  padding:12px 26px;border-radius:999px;border:1px solid var(--border-2);
  background:rgba(255,255,255,.04);color:var(--muted);transition:all .2s ease;
}
.tab small{display:block;font-weight:500;font-size:.74rem;opacity:.8}
.tab.active{background:var(--accent);border-color:var(--accent);color:#12161f}
.tab.active small{opacity:.75}

.day-intro{text-align:center;color:var(--muted);font-size:.95rem;max-width:70ch;margin:0 auto 26px}
.day-panel{display:none}
.day-panel.active{display:block;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.ementa-actions{display:flex;justify-content:flex-end;margin-bottom:14px}
.link-btn{
  background:none;border:0;font-family:inherit;font-size:.85rem;font-weight:700;
  color:var(--accent2);cursor:pointer;padding:6px 2px;
}
.link-btn:hover{text-decoration:underline}

.bloco-head{display:flex;align-items:center;gap:12px;margin:34px 0 16px}
.bloco-head:first-child{margin-top:0}
.bloco-tag{
  font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(247,148,29,.14);color:var(--accent);
  border:1px solid rgba(247,148,29,.28);border-radius:999px;padding:5px 13px;white-space:nowrap;
}
.bloco-head h3{font-size:1.06rem;color:var(--text)}
.bloco-head::after{content:"";flex:1;height:1px;background:var(--border)}

.timeline{position:relative;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(247,148,29,.5),rgba(247,148,29,.08));
}
.aula{position:relative;margin-bottom:10px}
.aula::before{
  content:"";position:absolute;left:-26px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent);z-index:1;
}
.aula details{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease;
}
.aula details[open]{border-color:rgba(247,148,29,.34);background:var(--card-2)}
.aula summary{cursor:pointer;list-style:none;padding:16px 20px;display:flex;align-items:center;gap:14px}
.aula summary::-webkit-details-marker{display:none}
.aula summary:hover{background:rgba(255,255,255,.03)}
.aula-num{
  font-size:.76rem;font-weight:900;color:var(--accent);
  background:rgba(247,148,29,.12);border-radius:8px;padding:5px 9px;flex:0 0 auto;
}
.aula-head{flex:1;min-width:0}
.aula-head h4{font-size:1.02rem;margin-bottom:2px}
.aula-head p{font-size:.85rem;color:var(--muted)}
.aula-time{font-size:.78rem;color:var(--muted);white-space:nowrap;flex:0 0 auto}
.aula-chev{flex:0 0 auto;color:var(--muted);transition:transform .25s ease}
.aula details[open] .aula-chev{transform:rotate(180deg);color:var(--accent)}
.aula-body{padding:2px 20px 22px;border-top:1px solid var(--border)}
.aula-body>p{color:var(--muted);font-size:.95rem;margin:16px 0 0}
.aula-body h5{
  font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2);
  margin:20px 0 10px;font-weight:800;
}
.aula-body ul{list-style:none;display:grid;gap:8px}
.aula-body ul li{position:relative;padding-left:18px;font-size:.93rem;color:var(--muted)}
.aula-body ul li::before{content:"";position:absolute;left:2px;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.aula-body ul li strong{color:var(--text)}
.aula-quote{
  margin-top:18px;padding:14px 18px;border-left:3px solid var(--accent);
  background:rgba(247,148,29,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:.94rem;color:var(--text);font-weight:600;
}
.aula-flow{
  margin-top:16px;padding:13px 16px;background:rgba(45,212,191,.07);
  border:1px solid rgba(45,212,191,.2);border-radius:var(--radius-sm);
  font-size:.82rem;font-weight:700;color:var(--accent2);letter-spacing:.02em;line-height:1.8;
}
.pausa{display:flex;align-items:center;gap:12px;margin:18px 0}
.pausa span{
  background:rgba(255,255,255,.05);border:1px dashed var(--border-2);
  border-radius:999px;padding:7px 16px;font-size:.85rem;font-weight:700;color:var(--muted);
}
@media(max-width:640px){
  .aula summary{flex-wrap:wrap;padding:14px 16px;gap:10px}
  .aula-head{flex:1 1 100%;order:3}
  .aula-body{padding:2px 16px 20px}
  .timeline{padding-left:22px}
  .timeline::before{left:5px}
  .aula::before{left:-22px;top:20px}
}

/* ===== HORÁRIOS ===== */
.horarios{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:26px}
.hora{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 10px;text-align:center}
.hora b{display:block;font-size:1.05rem;color:var(--accent)}
.hora span{font-size:.76rem;color:var(--muted)}
@media(max-width:760px){.horarios{grid-template-columns:repeat(3,1fr)}}

/* ===== PARA QUEM ===== */
.quem{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:860px){.quem{grid-template-columns:1fr}}

/* ===== PROFESSOR ===== */
.prof{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}
@media(max-width:860px){.prof{grid-template-columns:1fr}}
.prof-img{
  border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;
  aspect-ratio:3/4;max-width:380px;width:100%;
  background:var(--card);display:grid;place-items:center;color:var(--muted);font-size:.85rem;
}
.prof-img img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
@media(max-width:860px){.prof-img{margin-inline:auto;max-width:300px}}

/* ===== OFERTA ===== */
.oferta-box{
  max-width:620px;margin-inline:auto;background:var(--card);
  border:2px solid var(--accent);border-radius:var(--radius);
  box-shadow:0 0 0 6px rgba(247,148,29,.08),var(--shadow);
  padding:36px 30px;text-align:center;
}
.oferta-tag{
  display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(247,148,29,.16);color:var(--accent);border-radius:999px;padding:6px 15px;margin-bottom:18px;
}
.preco{font-size:clamp(34px,6vw,54px);font-weight:900;line-height:1.05;letter-spacing:-.03em}
.preco small{font-size:.42em;font-weight:700;color:var(--muted);letter-spacing:0}
.preco-nota{font-size:.9rem;color:var(--muted);margin-top:6px}
.inclui{list-style:none;text-align:left;display:grid;gap:10px;margin:26px 0 28px}
.inclui li{position:relative;padding-left:28px;font-size:.94rem;color:var(--muted)}
.inclui li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent2);font-weight:900;font-size:.95rem}
.inclui li strong{color:var(--text)}
.garantia{
  margin-top:20px;font-size:.85rem;color:var(--muted);
  display:flex;align-items:flex-start;gap:10px;text-align:left;
  background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;
}
.garantia svg{color:var(--accent2);flex:0 0 auto;margin-top:2px}

/* ===== FAQ ===== */
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 20px;font-weight:700;font-size:.98rem;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open]{border-color:var(--border-2)}
.faq-item[open] summary{color:var(--accent)}
.faq-item .faq-body{padding:0 20px 20px;color:var(--muted);font-size:.94rem}
.faq-chev{transition:transform .25s ease;flex:0 0 auto}
.faq-item[open] .faq-chev{transform:rotate(180deg)}

/* ===== CTA FINAL ===== */
.cta-final{
  background:linear-gradient(135deg,rgba(247,148,29,.14),rgba(45,212,191,.08));
  border:1px solid rgba(247,148,29,.25);border-radius:var(--radius);
  padding:48px 32px;text-align:center;
}
.cta-final h2{font-size:clamp(24px,3.6vw,38px);margin-bottom:14px}
.cta-final p{color:var(--muted);max-width:56ch;margin:0 auto 28px}

/* ===== RODAPÉ ===== */
footer{border-top:1px solid var(--border);padding:40px 0;background:rgba(0,0,0,.2)}
.foot-inner{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.foot-links{display:flex;gap:20px;font-size:.86rem;color:var(--muted);flex-wrap:wrap}
.foot-links a:hover{color:var(--accent)}
.foot-copy{font-size:.82rem;color:var(--muted)}

/* ===== CTA STICKY MOBILE ===== */
.sticky-cta{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:150;padding:12px 16px;
  background:rgba(11,15,26,.96);border-top:1px solid var(--border);backdrop-filter:blur(10px);
}
@media(max-width:760px){
  .sticky-cta{display:block}
  body{padding-bottom:76px}
  section{padding:58px 0}
}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.shown{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ===== IMPRESSÃO ===== */
@media print{
  .nav,.urgency,.sticky-cta,.hero-cta,#oferta,.cta-final,footer,.tabs,.ementa-actions{display:none!important}
  body{background:#fff;color:#111}
  .day-panel{display:block!important}
  .aula-body{display:block!important}
}