/* ============================================================
   FIRP — identidade "documento de serviço"
   papel + tinta + vermelho de segurança · Archivo / Inter Tight / Space Mono
   ============================================================ */

:root{
  --paper:#0B2416;          /* fundo: verde FIRP */
  --paper-2:#123122;        /* zona alternada / hover */
  --ink:#EDE8DA;            /* texto: creme */
  --ink-2:#93AA9B;          /* texto secundário */
  --line:#284534;           /* linhas de grade */
  --accent:#D6A63C;         /* dourado/latão */
  --accent-deep:#8F6F1F;    /* bronze p/ fundos claros */
  --dark:#EDE8DA;           /* banda invertida (creme) */
  --dark-2:#E0DAC8;
  --display:"Archivo Black", "Archivo", Impact, sans-serif;
  --display-sub:"Archivo", Impact, sans-serif;
  --body:"Inter Tight", -apple-system, "Segoe UI", sans-serif;
  --mono:"Space Mono", Consolas, monospace;
  --rail:clamp(0px, 4vw, 56px);
  --pad:clamp(1.25rem, 5vw, 5rem);
  --ease:cubic-bezier(.16,1,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--body);
  font-size:1rem;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  padding-left:var(--rail);
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:var(--paper)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--paper-2)}
::-webkit-scrollbar-thumb{background:var(--ink-2)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
em{font-style:italic}

/* ---------- trilho lateral (margem de documento) ---------- */
.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail);
  border-right:1px solid var(--line);
  font-family:var(--mono);font-size:.6rem;letter-spacing:.22em;
  color:var(--ink-2);
  writing-mode:vertical-rl;transform:rotate(180deg);
  display:flex;align-items:center;justify-content:center;
  padding:1rem 0;white-space:nowrap;overflow:hidden;
  user-select:none;z-index:5;background:var(--paper);
}
@media (max-width:760px){.rail{display:none}body{padding-left:0}}

/* ---------- tipografia base ---------- */
.mono-label{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-2);
}
.mono-label b{color:var(--ink);font-weight:700}
.mono-label--light{color:#4E6B58}
h2{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(1.7rem,3.6vw,2.9rem);
  line-height:1;letter-spacing:-.01em;
  text-transform:uppercase;
}
h2 em,.hero__title em{color:var(--accent);font-style:italic}
h3{
  font-family:var(--display-sub);
  font-weight:700;font-size:1.3rem;line-height:1.1;
  text-transform:uppercase;letter-spacing:.01em;
}
p{max-width:62ch}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--mono);font-size:.85rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;
  padding:.85rem 1.4rem;border:1.5px solid var(--ink);
  background:transparent;color:var(--ink);
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:var(--accent);border-color:var(--accent)}
.btn--light{border-color:var(--paper);color:var(--paper)}
.btn--light:hover{background:var(--paper);color:var(--ink)}
.btn--lg{padding:1.05rem 1.9rem;font-size:.95rem}
.btn:active{transform:translateY(1px)}
.link-under{
  font-family:var(--mono);font-size:.85rem;letter-spacing:.04em;
  border-bottom:1.5px solid var(--accent);padding-bottom:2px;
  transition:color .2s;
}
.link-under:hover{color:var(--accent)}

/* ---------- nav (cabeçalho de documento) ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;gap:1.5rem;
  padding:.8rem var(--pad);
  background:var(--paper);
  border-bottom:1.5px solid var(--ink);
}
.nav.is-scrolled{box-shadow:0 1px 0 var(--line)}
.brand{
  display:flex;align-items:center;gap:.6rem;
  font-family:var(--display);
  font-weight:400;font-size:1.45rem;letter-spacing:-.01em;line-height:1;
}
.brand img{width:38px;height:38px}
.brand span{font-size:.7rem;vertical-align:super;color:var(--accent)}
.nav__meta{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;color:var(--ink-2)}
.pip{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pip 2s infinite}
@keyframes pip{0%,100%{opacity:1}50%{opacity:.25}}
.nav__links{margin-left:auto;display:flex;gap:1.4rem}
.nav__links a{
  font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--ink-2);border-bottom:1.5px solid transparent;padding-bottom:2px;
  transition:color .2s,border-color .2s;
}
.nav__links a:hover,.nav__links a.is-active{color:var(--ink);border-color:var(--accent)}
.nav__burger{display:none;background:none;border:none;cursor:pointer;padding:.4rem}
.nav__burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:transform .25s}
@media (max-width:1080px){
  .nav__meta{display:none}
}
@media (max-width:860px){
  .nav__links{
    position:fixed;inset:57px 0 auto 0;flex-direction:column;gap:0;
    background:var(--paper);border-bottom:1.5px solid var(--ink);
    max-height:0;overflow:hidden;transition:max-height .35s var(--ease);
  }
  .nav__links.is-open{max-height:60vh}
  .nav__links a{padding:1rem var(--pad);border-bottom:1px solid var(--line)}
  .nav__burger{display:block;margin-left:auto}
  .nav__cta{margin-left:auto}
  .nav{gap:.8rem}
}

/* ---------- hero (capa do laudo) ---------- */
.hero{padding:clamp(2.5rem,6vw,5rem) var(--pad) clamp(3rem,7vw,6rem);border-bottom:1.5px solid var(--ink)}
.hero__head{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding-bottom:1.2rem;margin-bottom:clamp(2rem,5vw,4rem);
  border-bottom:1px solid var(--line);
}
.hero__title{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(2.2rem,5.8vw,4.9rem);
  line-height:.98;letter-spacing:-.01em;
  text-transform:uppercase;
  margin-bottom:clamp(2rem,5vw,3.5rem);
}
.hero__title .line{display:block}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) auto;
  gap:clamp(1.5rem,4vw,3.5rem);align-items:start;
}
.fields div{
  display:grid;grid-template-columns:110px 1fr;gap:1rem;
  padding:.7rem 0;border-top:1px solid var(--line);
}
.fields div:last-child{border-bottom:1px solid var(--line)}
.fields dt{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);padding-top:.2rem}
.fields dd{font-size:.98rem}
.hero__actions{display:flex;flex-direction:column;align-items:flex-start;gap:1.2rem;padding-top:.5rem}
.stamp{
  position:relative;text-align:center;
  transform:rotate(7deg);
}
.stamp img{width:clamp(110px,14vw,180px);height:auto;margin:0 auto;filter:grayscale(.15)}
.stamp figcaption{
  font-family:var(--mono);font-size:.6rem;font-weight:700;letter-spacing:.18em;
  color:var(--accent);border:2px solid var(--accent);
  padding:.3rem .5rem;margin-top:.5rem;display:inline-block;
  transform:rotate(-4deg);
}
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr}
  .stamp{position:absolute;right:var(--pad);top:clamp(5rem,16vw,9rem);opacity:.9}
  .hero{position:relative}
}
@media (max-width:560px){.stamp{display:none}}

/* ---------- seções ---------- */
.section{padding:clamp(3rem,6vw,5rem) var(--pad);border-bottom:1.5px solid var(--ink)}
.section__head{margin-bottom:clamp(2rem,5vw,3.5rem)}
.section__head .mono-label{margin-top:.8rem}

/* ---------- ledger (registro de serviços) ---------- */
.ledger{list-style:none;counter-reset:svc;border-top:1.5px solid var(--ink)}
.row{
  display:grid;
  grid-template-columns:70px minmax(180px,.6fr) minmax(0,1.4fr) auto;
  gap:1.5rem;align-items:baseline;
  padding:1.4rem 0;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),padding-left .25s var(--ease);
}
.row:hover{background:var(--paper-2);padding-left:.8rem}
.row__n{
  font-family:var(--mono);font-size:.85rem;font-weight:700;color:var(--ink-2);
  transition:color .2s;
}
.row:hover .row__n{color:var(--accent)}
.row p{font-size:.95rem;color:var(--ink-2);max-width:56ch}
.row__meta{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);white-space:nowrap}
.row--link .row__meta{color:var(--accent)}
.ledger--half{display:grid;grid-template-columns:1fr 1fr;border-top:1.5px solid var(--ink)}
.ledger--half .row{grid-template-columns:50px 1fr;grid-template-rows:auto auto auto;align-items:start;padding-right:1.5rem}
.ledger--half .row h3{grid-column:2}
.ledger--half .row p{grid-column:2}
.ledger--half .row .row__meta{grid-column:2}
.ledger--half .row:nth-child(odd){border-right:1px solid var(--line)}
@media (max-width:900px){
  .row{grid-template-columns:50px 1fr;grid-template-rows:auto auto auto}
  .row h3{grid-column:2}
  .row p{grid-column:2}
  .row__meta{grid-column:2}
  .ledger--half{grid-template-columns:1fr}
  .ledger--half .row:nth-child(odd){border-right:none}
}

/* ---------- protocolo ---------- */
.steps{
  list-style:none;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1.5px solid var(--ink);border-left:1px solid var(--line);
}
.step{
  position:relative;padding:1.6rem 1.4rem 2rem;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.step__check{
  display:block;width:20px;height:20px;border:2px solid var(--ink);margin-bottom:1.2rem;
  position:relative;
}
.step__check::after{
  content:"";position:absolute;inset:2px;
  background:var(--accent);
  clip-path:polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  transform:scale(0);transition:transform .4s var(--ease) .35s;
}
.step.is-in .step__check::after{transform:scale(1)}
.step__n{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);display:block;margin-bottom:.4rem}
.step h3{margin-bottom:.5rem}
.step p{font-size:.92rem;color:var(--ink-2)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- garantia (zona escura) ---------- */
.section--dark{background:var(--dark);color:var(--paper)}
.contract{position:relative;max-width:880px}
.contract__title{margin:1rem 0 1.5rem}
.contract__body{color:#41604E;margin-bottom:2rem}
.section--dark em{color:var(--accent-deep)}
.contract__seal{
  position:absolute;right:0;top:0;
  font-family:var(--mono);font-size:.72rem;font-weight:700;line-height:1.5;
  letter-spacing:.2em;text-align:center;color:var(--accent-deep);
  border:2.5px double var(--accent-deep);border-radius:50%;
  width:130px;height:130px;display:flex;align-items:center;justify-content:center;
  transform:rotate(-12deg);
}
@media (max-width:760px){.contract__seal{position:static;margin-top:2rem;transform:rotate(-6deg)}}

/* ---------- anexo (texugo) ---------- */
.annex__grid{display:grid;grid-template-columns:minmax(200px,.8fr) minmax(0,1.4fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.annex__art{border:1px solid var(--line);padding:clamp(1.5rem,3vw,3rem);background:var(--paper-2)}
.annex__art img{margin:0 auto}
.annex__art figcaption{margin-top:1.2rem;text-align:center}
.annex__copy h2{margin:.8rem 0 1.2rem}
.annex__copy p{margin-bottom:1rem}
.annex__copy blockquote{
  font-family:var(--mono);font-size:.95rem;color:var(--accent);
  border-left:3px solid var(--accent);padding-left:1.2rem;margin-top:1.6rem;
}
@media (max-width:820px){.annex__grid{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq{max-width:820px;border-top:1.5px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;gap:1.2rem;align-items:baseline;
  font-family:var(--display-sub);
  font-weight:700;font-size:1.05rem;text-transform:uppercase;
  padding:1.1rem 2.2rem 1.1rem 0;cursor:pointer;list-style:none;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary span{font-family:var(--mono);font-size:.75rem;font-weight:700;color:var(--accent);flex-shrink:0}
.faq summary::after{
  content:"+";position:absolute;right:.2rem;font-family:var(--mono);font-weight:700;
  color:var(--accent);transition:transform .25s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 1.3rem 2.6rem;font-size:.95rem;color:var(--ink-2)}
@media (max-width:560px){.faq details p{padding-left:0}}

/* ---------- contato ---------- */
.contact__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(2.5rem,6vw,5rem)}
.contact__copy h2{margin:.8rem 0 1rem}
.contact__list{list-style:none;margin-top:2rem;border-top:1.5px solid var(--ink)}
.contact__list li{
  display:grid;grid-template-columns:150px 1fr;gap:1rem;
  padding:.75rem 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.contact__list small{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-2)}
.contact__list a{border-bottom:1.5px solid var(--accent);padding-bottom:1px}
.contact__list a:hover{color:var(--accent)}
.form label{display:block;margin-bottom:1.4rem}
.form label span{
  display:block;font-family:var(--mono);font-size:.7rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.12em;color:var(--ink-2);margin-bottom:.4rem;
}
.form input,.form select,.form textarea{
  width:100%;font-family:var(--body);font-size:1rem;color:var(--ink);
  background:transparent;border:none;border-bottom:1.5px solid var(--ink);
  padding:.55rem 0;outline:none;border-radius:0;
  transition:border-color .2s;
}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--accent)}
.form input::placeholder,.form textarea::placeholder{color:#557463}
.form .is-invalid{border-color:var(--accent)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.form__hint{font-family:var(--mono);font-size:.68rem;color:var(--ink-2);margin-top:.9rem}
@media (max-width:860px){.contact__grid{grid-template-columns:1fr}.form__row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.footer{
  padding:2.5rem var(--pad) 3rem;text-align:center;
  display:flex;flex-direction:column;gap:1.2rem;align-items:center;
}
.footer__links{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}
.footer__links a{
  font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--ink-2);
}
.footer__links a:hover{color:var(--accent)}
.footer__legal{font-size:.8rem;color:var(--ink-2)}

/* ---------- whatsapp flutuante ---------- */
.wa-float{
  position:fixed;right:1.2rem;bottom:1.2rem;z-index:50;
  width:54px;height:54px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);
  transition:background .2s,transform .2s var(--ease);
}
.wa-float:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}

/* ---------- reveal (fade + leve subida) ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .6s var(--ease),transform .7s var(--ease);
}
.reveal.is-in{opacity:1;transform:none}
.hero__title .line:nth-child(2).reveal{transition-delay:.1s}
.hero__title .line:nth-child(3).reveal{transition-delay:.2s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .pip{animation:none}
}

/* ---------- modo screenshot ---------- */
.shot .reveal{opacity:1;transform:none;transition:none}