/* =================================================================
   ARKHEN TECNOLOGIA — sistema visual
   Paleta oficial 60/30/10: papel (60) · azul-marinho (30) · turquesa (10)
   ================================================================= */
:root{
  --navy:#0D1B2A;
  --navy-soft:#13263A;
  --navy-line:#1E3449;
  --turq:#00B4A6;
  --turq-deep:#00998D;
  --turq-light:#6FE9D9;
  --cyan:#00E5FF;          /* acento MINDUS em fundo escuro */
  --grey:#5A6B7A;
  --line:#E2E6EA;
  --paper:#FFFFFF;
  --paper-tint:#F4F7F8;

  --display:"Archivo","Segoe UI",sans-serif;
  --text:"IBM Plex Sans","Segoe UI",sans-serif;

  --wrap:1140px;
  --gutter:24px;
  --radius:4px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  background:var(--paper);
  color:var(--navy);
  font-family:var(--text);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--turq-deep);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--turq);outline-offset:3px}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;margin:0;line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem);letter-spacing:-.03em}
h2{font-size:clamp(1.7rem,3.6vw,2.4rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.lede{font-size:1.15rem;color:var(--grey);max-width:62ch}
.measure{max-width:64ch}

.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:12px 18px;z-index:99}
.skip:focus{left:8px;top:8px}

/* ---------- cabeçalho ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar__in{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand svg{width:26px}
.brand__name{font-family:var(--display);font-weight:700;font-size:1.15rem;letter-spacing:.14em;color:var(--navy)}
.brand__sub{display:block;font-family:var(--text);font-size:.58rem;font-weight:500;letter-spacing:.3em;color:var(--grey);margin-top:1px}
.nav{margin-left:auto;display:flex;align-items:center;gap:28px}
.nav a{color:var(--navy);font-size:.95rem;font-weight:500}
.nav a:hover{color:var(--turq-deep);text-decoration:none}
.nav__links{display:contents}
@media (max-width:860px){.nav__links{display:none}}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--text);font-weight:600;font-size:1rem;
  padding:14px 26px;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease;
}
.btn:hover{text-decoration:none}
.btn--solid{background:var(--turq);color:#04231F;border-color:var(--turq)}
.btn--solid:hover{background:var(--turq-deep);border-color:var(--turq-deep);color:#fff}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--navy)}
.btn--onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn--onDark:hover{border-color:#fff}
.btn--sm{padding:10px 18px;font-size:.92rem}

/* ---------- herói ---------- */
.hero{padding:88px 0 76px;border-bottom:1px solid var(--line)}
.hero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero p.lede{margin-top:22px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__sig{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-family:var(--display);font-weight:600;font-size:1rem;color:var(--grey);
}
.hero__art{justify-self:center;width:100%;max-width:300px}
@media (max-width:900px){
  .hero{padding:56px 0 52px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__art{max-width:190px;justify-self:start;order:-1}
}

/* animação única de carregamento: os estilhaços se dispersam */
.shard{opacity:0;animation:shardIn .55s cubic-bezier(.2,.7,.3,1) forwards}
.shard:nth-of-type(1){animation-delay:.05s}
.shard:nth-of-type(2){animation-delay:.13s}
.shard:nth-of-type(3){animation-delay:.21s}
.shard:nth-of-type(4){animation-delay:.29s}
.shard:nth-of-type(5){animation-delay:.37s}
.shard:nth-of-type(6){animation-delay:.45s}
.shard--dust{animation-delay:.55s}
@keyframes shardIn{from{opacity:0;transform:translate(-14px,-6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.shard{animation:none;opacity:1}}

/* ---------- faixa de situação ---------- */
.facts{background:var(--paper-tint);border-bottom:1px solid var(--line);padding:38px 0}
.facts__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.facts h3{font-size:2rem;color:var(--turq-deep);font-weight:700;letter-spacing:-.03em}
.facts p{font-size:.97rem;color:var(--grey);margin:6px 0 0;max-width:34ch}
@media (max-width:760px){.facts__grid{grid-template-columns:1fr;gap:26px}}

/* ---------- seções ---------- */
.section{padding:92px 0}
.section--tint{background:var(--paper-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{max-width:62ch;margin-bottom:52px}
.section__head p{margin-top:18px;color:var(--grey);font-size:1.08rem}
@media (max-width:760px){.section{padding:62px 0}.section__head{margin-bottom:38px}}

/* ---------- sequência da essência (conteúdo realmente sequencial) ---------- */
.chain{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--line)}
.chain__step{padding:26px 26px 26px 0;position:relative}
.chain__step::before{
  content:"";position:absolute;top:-2px;left:0;height:2px;width:100%;
  background:var(--turq);transform:scaleX(var(--fill));transform-origin:left;
}
.chain__step:nth-child(1){--fill:.25}
.chain__step:nth-child(2){--fill:.5}
.chain__step:nth-child(3){--fill:.75}
.chain__step:nth-child(4){--fill:1}
.chain h3{font-size:1.05rem;margin-bottom:8px}
.chain p{font-size:.95rem;color:var(--grey)}
@media (max-width:820px){
  .chain{grid-template-columns:1fr;border-top:none}
  .chain__step{border-top:2px solid var(--line);padding:20px 0}
}

/* ---------- blocos de produto ---------- */
.product{padding:96px 0}
.product__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.product__mark{font-family:var(--display);font-weight:700;font-size:2.6rem;letter-spacing:-.02em;line-height:1}
.product__tag{
  display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.04em;
  padding:5px 11px;border-radius:999px;margin-bottom:22px;
}
.product__claim{font-family:var(--display);font-weight:600;font-size:1.35rem;line-height:1.35;margin:18px 0 20px;letter-spacing:-.01em}
.product__cta{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}

.feat{list-style:none;margin:0;padding:0}
.feat li{padding:18px 0;border-top:1px solid var(--line)}
.feat li:last-child{border-bottom:1px solid var(--line)}
.feat b{display:block;font-family:var(--display);font-weight:600;font-size:1.02rem;margin-bottom:4px}
.feat span{font-size:.96rem;color:var(--grey)}

/* MINDUS — fundo escuro, acento ciano (a atmosfera do próprio produto) */
.product--dark{background:var(--navy);color:#fff}
.product--dark .product__mark{color:#fff}
.product--dark .product__tag{background:rgba(0,229,255,.14);color:var(--cyan)}
.product--dark .lede{color:#A9BAC7}
.product--dark .product__claim{color:var(--cyan)}
.product--dark .feat li{border-color:var(--navy-line)}
.product--dark .feat span{color:#A9BAC7}
.product--dark .btn--solid{background:var(--cyan);border-color:var(--cyan);color:#04222B}
.product--dark .btn--solid:hover{background:#7DF0FF;border-color:#7DF0FF;color:#04222B}

/* AMORA — fundo claro, acento turquesa institucional */
.product--light .product__mark{color:var(--navy)}
.product--light .product__tag{background:rgba(0,180,166,.14);color:var(--turq-deep)}
.product--light .product__claim{color:var(--turq-deep)}

@media (max-width:900px){
  .product{padding:64px 0}
  .product__grid{grid-template-columns:1fr;gap:40px}
}

/* ---------- serviços ---------- */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.svc__item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.svc__item h3{font-size:1rem;color:var(--turq-deep);letter-spacing:.01em}
.svc__item p{font-size:.96rem;color:var(--grey);margin:0}
@media (max-width:860px){
  .svc{grid-template-columns:1fr}
  .svc__item{grid-template-columns:1fr;gap:6px}
}

/* ---------- fundador ---------- */
.founder{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start}
.founder img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.founder blockquote{
  margin:0 0 24px;padding-left:22px;border-left:3px solid var(--turq);
  font-family:var(--display);font-weight:600;font-size:1.3rem;line-height:1.4;letter-spacing:-.01em;
}
.founder__who{margin-top:24px;font-size:.95rem;color:var(--grey)}
.founder__who strong{color:var(--navy);font-weight:600}
@media (max-width:760px){.founder{grid-template-columns:1fr;gap:28px}.founder img{max-width:200px}}

/* ---------- perguntas ---------- */
.faq{max-width:76ch}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-family:var(--display);font-weight:600;font-size:1.05rem;
}
.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(--turq-deep);border-bottom:2px solid var(--turq-deep);
  transform:translateY(-70%) rotate(45deg);transition:transform .18s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq p{padding:0 0 22px;color:var(--grey);max-width:66ch}

/* ---------- chamada final ---------- */
.final{background:var(--navy);color:#fff;padding:92px 0}
.final h2{color:#fff;max-width:20ch}
.final p{color:#A9BAC7;max-width:56ch;margin-top:18px;font-size:1.1rem}
.final__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.final__contact{margin-top:44px;padding-top:26px;border-top:1px solid var(--navy-line);display:flex;flex-wrap:wrap;gap:44px;font-size:.97rem}
.final__contact a{color:var(--turq-light)}
.final__contact span{display:block;color:#7E92A3;font-size:.85rem;margin-bottom:3px}
@media (max-width:760px){.final{padding:62px 0}}

/* ---------- rodapé ---------- */
.foot{background:#08131E;color:#7E92A3;padding:44px 0;font-size:.9rem}
.foot__grid{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:flex-start}
.foot a{color:#A9BAC7}
.foot nav{display:flex;flex-wrap:wrap;gap:22px}
.foot__legal{margin-top:30px;padding-top:22px;border-top:1px solid #12222F;font-size:.82rem;line-height:1.7}

/* =================================================================
   PÁGINAS DE TEXTO (jurídico e institucional)
   ================================================================= */
.doc{padding:72px 0 96px}
.doc__head{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:40px}
.doc__head h1{font-size:clamp(1.8rem,4vw,2.6rem);max-width:24ch}
.doc__meta{margin-top:16px;color:var(--grey);font-size:.93rem}
.doc__body{max-width:70ch}
.doc__body h2{font-size:1.45rem;margin:52px 0 16px;padding-top:24px;border-top:1px solid var(--line)}
.doc__body h3{font-size:1.08rem;margin:30px 0 10px;color:var(--turq-deep)}
.doc__body p,.doc__body li{font-size:1rem}
.doc__body ul,.doc__body ol{padding-left:22px;margin:0 0 1.1em}
.doc__body li{margin-bottom:.5em}
.doc__body strong{font-weight:600}
.doc__body code{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:.92em;background:var(--paper-tint);border:1px solid var(--line);
  border-radius:3px;padding:1px 5px;
}
.doc__body hr{display:none}
.doc__body table{border-collapse:collapse;width:100%;margin:0 0 1.4em;font-size:.95rem}
.doc__body th,.doc__body td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.doc__body th{font-family:var(--display);font-weight:600;background:var(--paper-tint)}
.doc__body blockquote{margin:0 0 1.2em;padding:14px 18px;background:var(--paper-tint);border-left:3px solid var(--turq)}
.doc__toc{background:var(--paper-tint);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:44px}
.doc__toc h2{font-family:var(--display);font-size:.95rem;margin:0 0 12px;border:none;padding:0}
.doc__toc ol{margin:0;padding-left:20px;font-size:.95rem}
.doc__toc li{margin-bottom:5px}
.doc__back{display:inline-block;margin-bottom:26px;font-size:.93rem}
@media (max-width:760px){.doc{padding:48px 0 64px}.doc__body h2{margin-top:40px}}

.foot__brand{font-family:var(--display);font-weight:700;letter-spacing:.14em;color:#fff}
.foot__slogan{margin-top:6px}
.lede + .lede{margin-top:18px}