/* ==========================================================================
   Basicão — i todo conhecer
   Sistema visual derivado do kit oficial da marca.
   Tokens: navy #081824 · cyan #20C4E6 · orange #FF6B35 · papel #FBF4E4
   ========================================================================== */

:root{
  /* marca */
  --ink:#050A0D;
  --navy:#081824;
  --navy-2:#0D2B3A;
  --navy-3:#123544;
  --cyan:#20C4E6;
  --cyan-soft:#82E5F5;
  --cyan-deep:#0B7C94;
  --orange:#FF6B35;
  --orange-soft:#FF8A50;
  --white:#F7F8F5;
  --slate:#7A8E9D;

  /* papel (DNA das aulas) */
  --paper:#FBF4E4;
  --paper-2:#F4EAD4;
  --card:#FFFDF6;
  --ink-paper:#0E2233;
  --ink-paper-2:#4A4230;
  --label:#8A7A5C;

  /* tipografia */
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"Nunito","Segoe UI",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --hand:"Caveat",cursive;

  /* medidas */
  --wrap:1200px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --ease:cubic-bezier(.22,.61,.36,1);

  /* cantos da moldura (assinatura visual da marca) */
  --cnr-tl:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath d='M5 28V13A8 8 0 0 1 13 5H28' fill='none' stroke='%2320C4E6' stroke-width='6' stroke-linecap='round'/%3E%3C/svg%3E");
  --cnr-tr:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath transform='rotate(90 20 20)' d='M5 28V13A8 8 0 0 1 13 5H28' fill='none' stroke='%2320C4E6' stroke-width='6' stroke-linecap='round'/%3E%3C/svg%3E");
  --cnr-br:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath transform='rotate(180 20 20)' d='M5 28V13A8 8 0 0 1 13 5H28' fill='none' stroke='%2320C4E6' stroke-width='6' stroke-linecap='round'/%3E%3C/svg%3E");
  --cnr-bl:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath transform='rotate(270 20 20)' d='M5 28V13A8 8 0 0 1 13 5H28' fill='none' stroke='%2320C4E6' stroke-width='6' stroke-linecap='round'/%3E%3C/svg%3E");

  --grid-tile:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpath d='M0 .5H120M.5 0V120' stroke='%237A8E9D' stroke-opacity='.16' stroke-width='1'/%3E%3C/svg%3E");
  --paper-tile:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cg fill='%238A7A5C' fill-opacity='.09'%3E%3Ccircle cx='7' cy='11' r='1'/%3E%3Ccircle cx='34' cy='5' r='.8'/%3E%3Ccircle cx='51' cy='23' r='1'/%3E%3Ccircle cx='19' cy='38' r='.9'/%3E%3Ccircle cx='44' cy='49' r='1'/%3E%3Ccircle cx='3' cy='55' r='.8'/%3E%3C/g%3E%3C/svg%3E");
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--navy);
  color:var(--white);
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
::selection{background:var(--orange);color:var(--ink)}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:800;
  letter-spacing:-.018em;
  word-spacing:.06em;
  line-height:1.06;
  margin:0 0 .5em;
  text-wrap:balance;
}
h1{font-size:clamp(2.3rem,1.3rem + 3.2vw,3.95rem);font-weight:900;letter-spacing:-.025em}
h2{font-size:clamp(1.85rem,1.15rem + 2.3vw,3rem)}
h3{font-size:1.2rem;letter-spacing:-.012em;word-spacing:.03em}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}

.wrap{width:min(var(--wrap),100% - 44px);margin-inline:auto}
.band{padding:clamp(64px,7vw,112px) 0;position:relative}
.band > .wrap{position:relative;z-index:2}

/* ---------- faixas ---------- */
.band--ink{background:var(--ink)}
.band--navy{background:linear-gradient(170deg,var(--ink),var(--navy) 45%,var(--navy-2))}
.band--navy::before,.band--ink::before{
  content:"";position:absolute;inset:0;
  background-image:var(--grid-tile);
  opacity:.55;pointer-events:none;
}
.band--paper{
  background:var(--paper);
  color:var(--ink-paper);
}
.band--paper::before{
  content:"";position:absolute;inset:0;
  background-image:var(--paper-tile);
  pointer-events:none;
}
.band--paper h1,.band--paper h2,.band--paper h3{color:var(--ink-paper)}
.band--paper p{color:var(--ink-paper-2)}

/* borda serrilhada entre papel e navy */
.band--paper + .band--navy,
.band--paper + .band--ink{border-top:3px solid var(--orange)}

/* ---------- rótulos e textos ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);
  font-size:.7rem;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;
  color:var(--orange);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.band--paper .eyebrow{color:#B4541F}
.band--paper .eyebrow::before{background:#B4541F}

.lede{font-size:clamp(1.02rem,.96rem + .3vw,1.18rem);color:#B9CBD4;max-width:58ch}
.band--paper .lede{color:var(--ink-paper-2)}

.head{max-width:760px;margin-bottom:clamp(34px,4vw,56px)}
.head p{font-size:1.05rem}

.sig{
  font-family:var(--hand);
  font-size:1.55rem;
  color:var(--cyan-soft);
  line-height:1.3;
}
.band--paper .sig{color:#1D5F73}

/* itens de grid não podem ser empurrados por conteúdo largo (ex.: <pre>) */
.hero-grid > *,.manifesto > *,.rule-grid > *,.prof > *,.offer > *,
.cards > *,.track > *,.rhythm > *,.deliver > *,.stats-grid > *,.footer-grid > *{min-width:0}

/* ---------- moldura de cantos (assinatura da marca) ---------- */
.frame{position:relative;isolation:isolate}
.frame::before{
  content:"";position:absolute;inset:-13px;
  border:2px dashed rgba(32,196,230,.42);
  border-radius:calc(var(--r-lg) + 8px);
  pointer-events:none;z-index:1;
}
.frame::after{
  content:"";position:absolute;inset:-13px;pointer-events:none;z-index:1;
  background-image:var(--cnr-tl),var(--cnr-tr),var(--cnr-br),var(--cnr-bl);
  background-repeat:no-repeat;
  background-position:top left,top right,bottom right,bottom left;
  background-size:38px 38px;
}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 26px;border-radius:var(--r-sm);border:2px solid transparent;
  background:var(--orange);color:var(--ink);
  font-family:var(--display);font-weight:700;font-size:.97rem;letter-spacing:0;word-spacing:.05em;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s;
  box-shadow:0 10px 26px -12px rgba(255,107,53,.9);
}
.btn:hover{background:var(--orange-soft);transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(255,107,53,1)}
.btn:active{transform:translateY(0)}
.btn--ghost{
  background:transparent;color:var(--white);border-color:rgba(130,229,245,.4);box-shadow:none;
}
.btn--ghost:hover{background:rgba(32,196,230,.1);border-color:var(--cyan);color:var(--white)}
.band--paper .btn--ghost{color:var(--ink-paper);border-color:rgba(14,34,51,.28)}
.band--paper .btn--ghost:hover{background:rgba(14,34,51,.06);border-color:var(--ink-paper)}
.btn--sm{padding:11px 18px;font-size:.88rem}
.btn--block{width:100%}

:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- cabeçalho ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,10,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(122,142,157,.2);
}
.header-in{display:flex;align-items:center;gap:28px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand svg{width:40px;height:40px}
.brand-name{
  font-family:var(--display);font-weight:800;font-size:.88rem;
  letter-spacing:.1em;text-transform:uppercase;line-height:1.15;
}
.brand-name span{
  display:block;font-family:var(--mono);font-size:.56rem;font-weight:500;
  letter-spacing:.16em;color:var(--slate);text-transform:uppercase;margin-top:2px;
}
.site-nav{display:flex;gap:26px;margin-left:auto}
.site-nav a{
  font-size:.92rem;font-weight:600;color:#C3D2D9;
  padding:6px 0;position:relative;
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--cyan);transition:right .25s var(--ease);
}
.site-nav a:hover{color:var(--white)}
.site-nav a:hover::after{right:0}
.header-cta{flex-shrink:0}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:1px solid rgba(122,142,157,.35);
  color:var(--white);border-radius:8px;padding:9px 12px;cursor:pointer;
}

/* ---------- hero ---------- */
.hero{padding:clamp(52px,6vw,88px) 0 clamp(58px,6vw,92px);overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;
  gap:clamp(36px,5vw,72px);align-items:center;
}
.hero h1 span{color:var(--cyan-soft)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 18px}
.hero-fine{font-family:var(--mono);font-size:.76rem;color:var(--slate);letter-spacing:.04em}
.chips{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:26px 0 0}
.chips li{
  font-family:var(--mono);font-size:.71rem;letter-spacing:.04em;text-transform:uppercase;
  color:#CFE0E6;border:1px solid rgba(122,142,157,.32);
  border-radius:999px;padding:7px 12px;white-space:nowrap;
}
.chips li b{color:var(--cyan-soft);font-weight:700}

/* pilha de capas */
.stack{position:relative;padding:24px 20px}
.stack-inner{position:relative;aspect-ratio:1/1.16;max-width:430px;margin-inline:auto}
.stack figure{
  position:absolute;margin:0;width:56%;
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(130,229,245,.22);
  box-shadow:0 28px 55px -22px rgba(0,0,0,.85);
  transition:transform .5s var(--ease);
}
.stack figure img{width:100%;aspect-ratio:9/16;object-fit:cover}
.stack .s1{left:0;top:6%;transform:rotate(-7deg);z-index:1}
.stack .s2{left:22%;top:0;z-index:3;width:60%}
.stack .s3{right:0;top:8%;transform:rotate(7deg);z-index:2}
.stack:hover .s1{transform:rotate(-10deg) translate(-6px,-6px)}
.stack:hover .s3{transform:rotate(10deg) translate(6px,-6px)}

/* traço de circuito decorativo */
.trace{
  position:absolute;pointer-events:none;z-index:1;
  stroke:var(--cyan);fill:none;opacity:.22;
}
.trace--hero{right:-120px;top:12%;width:520px}

/* ---------- faixa de números ---------- */
.stats{
  background:var(--navy-2);
  border-top:1px solid rgba(32,196,230,.22);
  border-bottom:3px solid var(--orange);
  padding:0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 26px;border-left:1px solid rgba(122,142,157,.2)}
.stat:first-child{border-left:0}
.stat b{
  display:block;font-family:var(--display);font-weight:900;
  font-size:clamp(1.9rem,1.4rem + 1.4vw,2.7rem);letter-spacing:-.03em;
  color:var(--cyan-soft);line-height:1;
}
.stat span{
  display:block;margin-top:8px;font-size:.88rem;color:#AEC1CA;line-height:1.4;
}

/* ---------- bloco de manifesto ---------- */
.manifesto{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,4vw,64px);align-items:start}
.manifesto-quote{
  border-left:4px solid var(--orange);
  padding:4px 0 4px 22px;
  margin-top:26px;
}
.manifesto-quote p{font-size:1.12rem;color:var(--ink-paper);font-weight:600}

.mini-steps{
  list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:14px 0 0;
  counter-reset:ms;
}
.mini-steps li{
  counter-increment:ms;
  font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-paper);
  border:1px solid rgba(14,34,51,.22);border-radius:6px;padding:6px 11px;
  background:var(--card);
}
.mini-steps li::before{content:counter(ms) " ";color:var(--orange)}

/* ---------- cartões de público ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--card);
  border:1px solid rgba(14,34,51,.12);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:0 2px 0 rgba(14,34,51,.06);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 30px -20px rgba(14,34,51,.5);border-color:rgba(255,107,53,.5)}
.card svg{width:42px;height:42px;margin-bottom:16px}
.card .ic-a{fill:none;stroke:#186B85;stroke-width:2.8;stroke-linecap:round;stroke-linejoin:round}
.card .ic-b{fill:none;stroke:var(--orange);stroke-width:2.8;stroke-linecap:round;stroke-linejoin:round}
.card .ic-c{fill:var(--orange)}
.card h3{margin-bottom:8px}
.card p{font-size:.95rem;margin:0}

/* ---------- estante de materiais ---------- */
.shelf-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:6px}
.shelf-nav{display:flex;gap:10px}
.shelf-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(14,34,51,.22);background:var(--card);
  color:var(--ink-paper);cursor:pointer;font-size:1.3rem;line-height:1;
  display:grid;place-items:center;transition:.18s var(--ease);
}
.shelf-btn:hover{background:var(--ink-paper);color:var(--paper);border-color:var(--ink-paper)}
.shelf{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:26px 4px 30px;margin-top:8px;
  scrollbar-width:thin;scrollbar-color:rgba(14,34,51,.28) transparent;
}
.shelf::-webkit-scrollbar{height:8px}
.shelf::-webkit-scrollbar-thumb{background:rgba(14,34,51,.25);border-radius:99px}
.shelf-item{
  flex:0 0 auto;width:196px;scroll-snap-align:start;margin:0;cursor:zoom-in;
}
.shelf-item img{
  width:100%;aspect-ratio:9/16;object-fit:cover;
  border-radius:var(--r-md);
  border:1px solid rgba(14,34,51,.18);
  box-shadow:0 14px 26px -18px rgba(14,34,51,.85);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  background:var(--ink);
}
.shelf-item:hover img{transform:translateY(-6px);box-shadow:0 22px 34px -18px rgba(14,34,51,.9)}
.shelf-item figcaption{margin-top:12px}
.shelf-item strong{display:block;font-family:var(--display);font-weight:800;font-size:.94rem;color:var(--ink-paper);word-spacing:.04em}
.shelf-item span{display:block;font-size:.83rem;color:var(--ink-paper-2);line-height:1.45;margin-top:3px}

/* ---------- trilha dos ciclos ---------- */
.track{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative;padding-top:46px}
.track::before{
  content:"";position:absolute;left:8%;right:8%;top:25px;height:2px;z-index:0;
  background:repeating-linear-gradient(90deg,rgba(14,34,51,.32) 0 9px,transparent 9px 19px);
}
.cycle{
  position:relative;background:var(--card);
  border:1px solid rgba(14,34,51,.14);border-radius:var(--r-md);
  padding:24px 22px 26px;
}
.cycle-node{
  width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;margin:-70px 0 16px;
  font-family:var(--display);font-weight:900;font-size:1.2rem;
  color:var(--paper);background:var(--ink-paper);
  border:4px solid var(--paper);position:relative;z-index:2;
}
.cycle:nth-child(1) .cycle-node{background:#5A6B78}
.cycle:nth-child(2) .cycle-node{background:#F0A431;color:var(--ink-paper)}
.cycle:nth-child(3) .cycle-node{background:#2E86C1}
.cycle:nth-child(4) .cycle-node{background:#4C8C52}
.cycle-tag{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--label);display:block;margin-bottom:6px;
}
.cycle h3{font-size:1.15rem;margin-bottom:10px}
.cycle ul{list-style:none;padding:0;margin:14px 0 0}
.cycle li{
  position:relative;padding-left:19px;font-size:.9rem;
  color:var(--ink-paper-2);margin-bottom:6px;line-height:1.5;
}
.cycle li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--orange);
}
.cycle p{font-size:.93rem;margin:0}

/* ---------- ritmo da aula ---------- */
.rhythm{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:12px}
.step{
  border:1px solid rgba(122,142,157,.28);
  border-radius:var(--r-md);
  padding:22px 18px 24px;
  background:rgba(255,255,255,.03);
  transition:border-color .2s,background .2s,transform .2s var(--ease);
}
.step:hover{border-color:var(--cyan);background:rgba(32,196,230,.07);transform:translateY(-3px)}
.step b{
  display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  color:var(--orange);margin-bottom:10px;
}
.step h3{font-size:1.02rem;margin-bottom:6px;color:var(--white)}
.step p{font-size:.86rem;color:#9FB4BE;margin:0;line-height:1.5}

/* ---------- regra + chat ---------- */
.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,60px);align-items:start;margin-top:clamp(48px,6vw,84px)}
.rule-card{
  background:rgba(32,196,230,.06);
  border:1px solid rgba(32,196,230,.3);
  border-radius:var(--r-lg);
  padding:clamp(26px,3vw,38px);
}
.rule-card .big{
  font-family:var(--display);font-weight:800;
  font-size:clamp(1.3rem,1rem + 1.15vw,1.78rem);
  line-height:1.22;letter-spacing:-.015em;word-spacing:.06em;color:var(--white);
}
.rule-card .big em{font-style:normal;color:var(--orange)}

.chat{
  background:var(--card);color:var(--ink-paper);
  border-radius:var(--r-lg);padding:24px 24px 22px;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
}
.chat-top{
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--label);margin-bottom:16px;
}
.chat-top i{width:9px;height:9px;border-radius:50%;background:var(--orange);display:block}
.chat-top i:nth-child(2){background:#FFD057}
.chat-top i:nth-child(3){background:var(--cyan);margin-right:8px}
.msg{border-radius:14px;padding:13px 16px;font-size:.94rem;margin-bottom:12px;line-height:1.55}
.msg--you{background:#E9EFF2;color:var(--ink-paper);border-bottom-right-radius:4px;margin-left:14%}
.msg--ia{background:#FFF3B8;color:#4A4230;border-bottom-left-radius:4px;margin-right:8%}
.msg b{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--label);margin-bottom:5px}
.chat-foot{font-family:var(--hand);font-size:1.3rem;color:#1D5F73;margin-top:16px}

/* ---------- código ---------- */
.code{
  background:#04121B;border:1px solid rgba(122,142,157,.28);
  border-radius:var(--r-md);overflow:hidden;margin-top:22px;
}
.code-bar{
  display:flex;align-items:center;gap:7px;padding:11px 15px;
  background:rgba(255,255,255,.04);border-bottom:1px solid rgba(122,142,157,.2);
}
.code-bar i{width:9px;height:9px;border-radius:50%;background:var(--orange);display:block}
.code-bar i:nth-child(2){background:#FFD057}
.code-bar i:nth-child(3){background:var(--cyan)}
.code-bar span{margin-left:8px;font-family:var(--mono);font-size:.72rem;color:var(--slate);letter-spacing:.06em}
.code pre{
  margin:0;padding:20px;overflow-x:auto;max-width:100%;
  font-family:var(--mono);font-size:.85rem;line-height:1.7;color:#D6E5EB;
  font-variant-ligatures:none;font-feature-settings:"liga" 0,"calt" 0;
}
.msg code,.chat code{font-family:var(--mono);font-size:.86em;font-variant-ligatures:none}
.code .k{color:var(--cyan-soft)}
.code .s{color:var(--orange)}
.code .c{color:#6C8593;font-style:italic}

/* ---------- entrega ---------- */
.deliver{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.deliver div{
  background:var(--card);border:1px solid rgba(14,34,51,.13);
  border-left:4px solid var(--orange);
  border-radius:var(--r-sm);padding:20px 18px;
}
.deliver div:nth-child(4n+2){border-left-color:#2E86C1}
.deliver div:nth-child(4n+3){border-left-color:#4C8C52}
.deliver div:nth-child(4n+4){border-left-color:#8B6DB8}
.deliver strong{display:block;font-family:var(--display);font-weight:800;font-size:1rem;word-spacing:.04em;color:var(--ink-paper);margin-bottom:5px}
.deliver p{font-size:.88rem;margin:0}

/* ---------- professor ---------- */
.prof{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,4vw,64px);align-items:center}
.prof-badge{
  background:linear-gradient(168deg,var(--navy-2),var(--ink));
  border-radius:var(--r-lg);padding:36px 30px 32px;text-align:center;
  box-shadow:0 30px 60px -34px rgba(5,10,13,.9);
}
.prof-badge svg{width:84px;height:84px;margin:0 auto 20px}
.prof-badge .name{font-family:var(--display);font-weight:900;font-size:1.42rem;color:var(--white);letter-spacing:-.015em;word-spacing:.05em}
.prof-badge .role{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);margin-top:7px}
.prof-badge .line{height:4px;width:70px;background:var(--orange);border-radius:4px;margin:20px auto}
.prof-badge .sig{font-size:1.75rem;color:var(--cyan-soft);margin-top:20px}
.prof-facts{margin:0;padding:0;text-align:left}
.prof-facts > div{
  display:grid;grid-template-columns:78px 1fr;gap:14px;align-items:baseline;
  padding:12px 0;border-top:1px solid rgba(122,142,157,.22);
}
.prof-facts > div:first-child{border-top:0}
.prof-facts dt{
  font-family:var(--display);font-weight:900;font-size:1.45rem;
  letter-spacing:-.02em;color:var(--orange);
}
.prof-facts dd{margin:0;font-size:.88rem;line-height:1.45;color:#AEC1CA}

/* ---------- oferta ---------- */
.offer{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(34px,5vw,72px);align-items:center}
.checklist{list-style:none;padding:0;margin:24px 0 0}
.checklist li{position:relative;padding-left:30px;margin-bottom:11px;color:#C3D5DD}
.checklist li::before{
  content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:5px;
  background:rgba(32,196,230,.16);border:1px solid rgba(32,196,230,.5);
}
.checklist li::after{
  content:"";position:absolute;left:5px;top:.62em;width:8px;height:4px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(-45deg);
}
.price-card{
  background:linear-gradient(165deg,var(--navy-2),var(--navy));
  border:1px solid rgba(32,196,230,.28);
  border-radius:var(--r-lg);
  padding:clamp(28px,3vw,40px);
}
.price-card .tag{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--orange);
}
.price-card .value{
  font-family:var(--display);font-weight:900;letter-spacing:-.035em;
  font-size:clamp(2.9rem,2.2rem + 2vw,4rem);line-height:1;margin:14px 0 4px;
  color:var(--white);
}
.price-card .value sup{font-size:.34em;vertical-align:.9em;margin-right:6px;letter-spacing:0}
.price-card .terms{color:#A9BEC8;font-size:.95rem;margin-bottom:24px}
.price-card .safe{
  display:flex;align-items:center;gap:8px;margin-top:16px;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;color:var(--slate);
}

/* ---------- faq ---------- */
.faq{max-width:860px}
.faq details{
  border-bottom:1px solid rgba(14,34,51,.16);
  padding:6px 0;
}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 40px 18px 0;position:relative;
  font-family:var(--display);font-weight:700;font-size:1.05rem;color:var(--ink-paper);
  letter-spacing:-.005em;word-spacing:.04em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--orange);border-bottom:2px solid var(--orange);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease);
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 20px 20px 0;font-size:.98rem}

/* ---------- rodapé ---------- */
.site-footer{background:var(--ink);padding:52px 0 34px;border-top:1px solid rgba(122,142,157,.2)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:34px;align-items:start}
.footer-grid .brand svg{width:46px;height:46px}
.footer-grid p{color:var(--slate);font-size:.9rem;margin-top:16px;max-width:34ch}
.footer-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-soft);margin-bottom:14px}
.footer-col a{display:block;color:#A9BEC8;font-size:.92rem;margin-bottom:9px}
.footer-col a:hover{color:var(--white)}
.footer-base{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(122,142,157,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:.72rem;color:var(--slate);letter-spacing:.04em;
}

/* ---------- barra fixa mobile ---------- */
.sticky-buy{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(5,10,13,.96);backdrop-filter:blur(12px);
  border-top:1px solid rgba(32,196,230,.28);
  padding:11px 16px calc(11px + env(safe-area-inset-bottom));
  align-items:center;gap:14px;
}
.sticky-buy .p{font-family:var(--display);font-weight:800;font-size:1.05rem;color:var(--white)}
.sticky-buy .p small{display:block;font-family:var(--mono);font-size:.6rem;color:var(--slate);letter-spacing:.1em}
.sticky-buy .btn{margin-left:auto}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(5,10,13,.94);backdrop-filter:blur(6px);
  place-items:center;padding:28px;
}
.lightbox.on{display:grid}
.lightbox img{max-height:88vh;width:auto;border-radius:var(--r-md);box-shadow:0 40px 80px -30px #000}
.lightbox button{
  position:absolute;top:20px;right:22px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  color:var(--white);font-size:1.4rem;cursor:pointer;
}

/* ---------- revelação no scroll ---------- */
.js .rv{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* ---------- responsivo ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .stack-inner{max-width:400px}
  .manifesto,.rule-grid,.prof,.offer{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .rhythm{grid-template-columns:repeat(3,1fr)}
  .track{grid-template-columns:repeat(2,1fr);gap:44px 16px}
  .track::before{display:none}
  .deliver{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid rgba(122,142,157,.2)}
}

@media (max-width:820px){
  .site-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;padding:10px 22px 20px;
    background:rgba(5,10,13,.98);border-bottom:1px solid rgba(122,142,157,.22);
  }
  .site-nav.open{display:flex}
  .site-nav a{padding:13px 0;border-bottom:1px solid rgba(122,142,157,.14);font-size:1rem}
  .site-nav a::after{display:none}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .sticky-buy{display:flex}
  body{padding-bottom:76px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}

@media (max-width:620px){
  body{font-size:16px}
  .wrap{width:min(var(--wrap),100% - 32px)}
  .cards{grid-template-columns:1fr}
  .rhythm{grid-template-columns:1fr 1fr}
  .track,.deliver{grid-template-columns:1fr}
  .track{gap:44px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0!important}
  .stat:not(:first-child){border-top:1px solid rgba(122,142,157,.2)}
  .hero-actions .btn{width:100%}
  .shelf-item{width:160px}
  .shelf-nav{display:none}
  .msg--you{margin-left:6%}
  .trace--hero{display:none}
  .frame::before,.frame::after{inset:-8px}
  .frame::after{background-size:28px 28px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .js .rv{opacity:1;transform:none}
}