/* ==========================================================
   Alpha7 Systems — styles.css
   Tokens → base → componentes → seções → responsivo
   ========================================================== */

@font-face{font-family:"Sora";src:url("assets/fonts/sora.woff2") format("woff2");font-weight:100 800;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("assets/fonts/plex-sans-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("assets/fonts/plex-sans-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("assets/fonts/plex-sans-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("assets/fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}

:root{
  --bg:#050505;
  --bg-2:#0A0A0B;
  --surface:#101114;
  --surface-2:#15171B;
  --line:#1D2025;
  --line-soft:rgba(255,255,255,.08);
  --text:#F5F7FA;
  --muted:#8B929D;
  --blue:#1683FF;
  --blue-btn:#0A6CE6;   /* azul de botão com contraste AA para texto branco */
  --cyan:#00C8FF;

  --f-display:"Sora",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --pad:clamp(20px,4.4vw,64px);
  --maxw:1360px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:60px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--f-body);font-size:1.0625rem;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
body.menu-open{overflow:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
[hidden]{display:none!important}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(22,131,255,.45);color:#fff}

.skip{position:fixed;left:16px;top:-80px;z-index:100;background:var(--text);color:#000;padding:10px 16px;border-radius:8px;font-weight:600;transition:top .2s}
.skip:focus{top:12px}

.wrap{width:100%;max-width:calc(var(--maxw) + var(--pad)*2);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:var(--f-mono);font-size:.8125rem;letter-spacing:.01em}

/* ---------- Tipografia ---------- */
.h1,.h2{font-family:var(--f-display);font-weight:600;letter-spacing:-.04em;line-height:1.02;text-wrap:balance}
.h1{font-size:clamp(2.7rem,1.3rem + 5.6vw,5.5rem)}
.h2{font-size:clamp(1.9rem,1.1rem + 3.1vw,3.6rem);letter-spacing:-.035em;line-height:1.06}
.lead{font-size:clamp(1.05rem,1rem + .35vw,1.25rem);color:var(--muted);line-height:1.55;max-width:56ch}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 24px;border-radius:12px;
  font-weight:600;font-size:.95rem;line-height:1;white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease),transform .35s var(--ease);
}
.btn--lg{min-height:56px;padding:0 30px;font-size:1rem}
.btn--sm{min-height:44px;padding:0 18px;font-size:.9rem}
.btn--primary{background:var(--blue-btn);color:#fff;box-shadow:0 0 0 1px rgba(22,131,255,.35) inset}
.btn--primary:hover{background:#0F76F5;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(0,200,255,.45) inset,0 10px 32px -10px rgba(22,131,255,.65)}
.btn--ghost{border-color:var(--line-soft);color:var(--text);background:transparent}
.btn--ghost:hover{background:var(--surface);border-color:rgba(255,255,255,.18)}
.btn:active{transform:translateY(0)}

/* ---------- Navegação ---------- */
.nav{position:fixed;z-index:50;left:0;right:0;top:max(12px,env(safe-area-inset-top));padding-inline:var(--pad);pointer-events:none}
.nav__inner{
  pointer-events:auto;max-width:var(--maxw);margin-inline:auto;height:var(--nav-h);
  display:flex;align-items:center;gap:24px;padding:0 10px 0 16px;border-radius:16px;
  border:1px solid transparent;
  transition:background-color .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s var(--ease);
}
.nav.is-scrolled .nav__inner{
  background:rgba(10,10,11,.72);border-color:var(--line-soft);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
}
.brand{display:inline-flex;align-items:center;gap:12px;font-family:var(--f-display);font-weight:600;font-size:.98rem;letter-spacing:-.015em;min-height:44px}
.brand img{height:26px;width:auto}
.nav__links{display:none;margin-left:auto;gap:4px}
.nav__links a{padding:10px 14px;border-radius:10px;font-size:.93rem;color:var(--muted);transition:color .3s var(--ease),background-color .3s var(--ease)}
.nav__links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav__cta{display:none}
.menu-toggle{margin-left:auto;width:44px;height:44px;border-radius:12px;display:grid;place-content:center;gap:7px}
.menu-toggle span{display:block;width:22px;height:1.5px;background:var(--text);transition:transform .4s var(--ease)}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(4.25px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4.25px) rotate(-45deg)}

.menu{
  position:fixed;inset:0;z-index:45;display:flex;flex-direction:column;justify-content:space-between;
  padding:calc(var(--nav-h) + 56px) var(--pad) max(32px,env(safe-area-inset-bottom));
  background:rgba(5,5,5,.97);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.menu nav{display:grid}
.menu nav a{font-family:var(--f-display);font-weight:600;font-size:clamp(1.8rem,8vw,2.4rem);letter-spacing:-.03em;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.menu .btn{width:100%}

@media (min-width:980px){
  .nav__links{display:flex}
  .nav__cta{display:inline-flex;margin-left:12px}
  .menu-toggle{display:none}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:100svh;display:flex;flex-direction:column;
  padding-top:calc(var(--nav-h) + 72px);
}
.hero__main{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;padding-block:24px 8px}
.hero__tag{display:inline-flex;align-items:center;gap:10px;color:var(--muted);margin-bottom:28px}
.hero__tag i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(0,200,255,.7)}
.h1 .ln{display:block;overflow:hidden;padding-bottom:.09em;margin-bottom:-.09em}
.h1 .ln>span{display:block}
.hero__sub{margin-top:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
@media (max-width:519px){.hero__cta .btn{flex:1 1 100%}}

.hero__visual{position:relative;z-index:1;margin:44px 0 0 calc(var(--pad)*-.3);width:calc(100% + var(--pad)*.3)}
.hero__visual svg{position:relative;width:100%;height:auto;overflow:visible}
.hero__visual::before{content:"";position:absolute;inset:-25% -15%;z-index:-1;background:radial-gradient(closest-side at 68% 38%,rgba(22,131,255,.2),rgba(22,131,255,.06) 55%,transparent 100%);pointer-events:none}

.hero__meta{position:relative;z-index:2;padding-block:44px 36px}
.facts{display:grid;gap:0}
.facts li{display:grid;gap:4px;padding:18px 0;border-top:1px solid var(--line-soft)}
.facts strong{font-family:var(--f-display);font-weight:600;font-size:1rem;letter-spacing:-.01em}
.facts span{color:var(--muted);font-size:.95rem;max-width:40ch}

/* traçado do símbolo — animação de entrada (único momento orquestrado) */
.v-a{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2s var(--ease) .35s forwards}
.v-slab{clip-path:inset(0 100% 0 0);animation:wipe 1.1s var(--ease) 1s forwards}
.v-guides,.v-angle,.v-label{opacity:0;animation:fadein .9s ease 1.7s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes wipe{to{clip-path:inset(0 0 0 0)}}
@keyframes fadein{to{opacity:1}}

.hero__tag,.hero__sub,.hero__cta,.facts{opacity:0;transform:translateY(10px);animation:rise .9s var(--ease) forwards}
.hero__tag{animation-delay:.1s}
.h1 .ln>span{transform:translateY(105%);animation:lift 1s var(--ease) forwards}
.h1 .ln:nth-child(1)>span{animation-delay:.2s}
.h1 .ln:nth-child(2)>span{animation-delay:.3s}
.h1 .ln:nth-child(3)>span{animation-delay:.4s}
.hero__sub{animation-delay:.7s}
.hero__cta{animation-delay:.82s}
.facts{animation-delay:1.1s}
@keyframes lift{to{transform:none}}
@keyframes rise{to{opacity:1;transform:none}}

@media (min-width:760px){
  .facts{grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,48px)}
}
@media (min-width:980px){
  .hero{padding-top:calc(var(--nav-h) + 40px)}
  .hero__main{padding-block:48px}
  .hero__visual{
    position:absolute;z-index:1;margin:0;
    right:calc(max(0px,(100vw - var(--maxw))/2) - 2vw);top:50%;transform:translateY(-52%);
    width:min(56vw,1060px);
  }
  .hero__sub{max-width:44ch}
  .hero__meta{padding-block:0 44px}
  .facts li{padding:20px 0 0}
}

/* ---------- Atuação ---------- */
.scope{border-block:1px solid var(--line-soft);background:var(--bg-2)}
.scope__inner{display:grid;gap:14px;padding-block:26px}
.scope__label{color:var(--muted)}
.scope__list{display:flex;flex-wrap:wrap;gap:6px 0}
.scope__list li{
  font-family:var(--f-display);font-weight:500;font-size:clamp(1.05rem,.9rem + .8vw,1.5rem);letter-spacing:-.02em;
  margin-right:clamp(20px,3vw,40px);
}
.scope__list li:last-child{margin-right:0}
@media (min-width:900px){
  .scope__inner{grid-template-columns:200px 1fr;align-items:baseline;padding-block:30px}
  .scope__list li{padding-right:clamp(20px,3vw,40px);border-right:1px solid var(--line-soft)}
  .scope__list li:last-child{border-right:0;padding-right:0}
}

/* ---------- Seções ---------- */
.section{padding-block:clamp(88px,12vw,170px)}
.section--alt{background:var(--bg-2);border-block:1px solid var(--line-soft)}

.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js [data-reveal].is-in{opacity:1;transform:none}

/* Sobre */
.about{display:grid;gap:40px}
.about .h2{max-width:20ch}
.about__text{display:grid;gap:20px;max-width:56ch}
.about__text p:last-child{color:var(--muted)}
@media (min-width:960px){
  .about{grid-template-columns:7fr 5fr;gap:clamp(48px,7vw,120px);align-items:end}
  .about .h2{max-width:none}
}

/* Soluções */
.solutions{display:grid;gap:48px}
.solutions__intro{display:grid;gap:22px;align-content:start}
.rows{border-top:1px solid var(--line-soft)}
.row{
  position:relative;display:grid;gap:10px;padding:28px 36px 28px 0;
  border-bottom:1px solid var(--line-soft);
}
.row::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .8s var(--ease)}
.row h3{font-family:var(--f-display);font-weight:600;font-size:clamp(1.35rem,1.1rem + .9vw,1.9rem);letter-spacing:-.03em;line-height:1.15;transition:transform .5s var(--ease),color .5s var(--ease)}
.row p{color:var(--muted);max-width:52ch;transition:color .4s var(--ease)}
.row__icon{position:absolute;right:2px;top:34px;color:var(--muted);opacity:.5;transition:transform .5s var(--ease),color .4s,opacity .4s}
.row:hover::after,.row:focus-visible::after{width:100%}
.row:hover h3,.row:focus-visible h3{transform:translateX(8px)}
.row:hover p{color:#B3B9C3}
.row:hover .row__icon,.row:focus-visible .row__icon{color:var(--cyan);opacity:1;transform:translate(3px,-3px)}
@media (min-width:640px){
  .row{grid-template-columns:minmax(160px,2fr) 3fr;gap:32px;align-items:baseline;padding-block:32px}
  .row__icon{top:42px}
}
@media (min-width:980px){
  .solutions{grid-template-columns:5fr 7fr;gap:clamp(48px,6vw,112px)}
  .solutions__intro{position:sticky;top:120px;align-self:start}
}

/* Diferenciais */
.diff__title{max-width:18ch;margin-bottom:clamp(48px,6vw,88px)}
.diff{display:grid;gap:clamp(36px,4vw,56px) clamp(28px,4vw,64px)}
.diff__item{padding-top:24px;border-top:1px solid var(--line-soft);transition:border-color .5s var(--ease)}
.diff__item:hover{border-top-color:rgba(22,131,255,.7)}
.diff__item h3{font-family:var(--f-display);font-weight:600;font-size:1.3rem;letter-spacing:-.025em;margin-bottom:10px}
.diff__item p{color:var(--muted);max-width:36ch}
@media (min-width:640px){.diff{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.diff{grid-template-columns:repeat(3,1fr)}}

/* Processo */
.process__head{display:grid;gap:22px;margin-bottom:clamp(48px,6vw,88px)}
.process__head .h2{max-width:18ch}
.steps{display:grid;gap:36px 28px;counter-reset:s}
.step{position:relative;padding-top:30px;border-top:1px solid var(--line-soft)}
.step::before{ /* nó do timeline */
  content:"";position:absolute;left:0;top:-5px;width:9px;height:9px;border-radius:50%;
  background:var(--bg-2);border:1px solid rgba(255,255,255,.28);transition:background-color .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease);
}
.step::after{ /* progresso */
  content:"";position:absolute;left:0;top:-1px;height:1px;width:100%;transform-origin:left;transform:scaleX(0);
  background:linear-gradient(90deg,var(--blue),var(--cyan));transition:transform 1s var(--ease);
}
.step__n{color:var(--blue);display:block;margin-bottom:14px}
.step h3{font-family:var(--f-display);font-weight:600;font-size:1.25rem;letter-spacing:-.025em;margin-bottom:10px}
.step p{color:var(--muted);font-size:.97rem}
.steps.is-in .step::after{transform:scaleX(1)}
.steps.is-in .step::before{background:var(--blue);border-color:var(--cyan);box-shadow:0 0 12px rgba(0,200,255,.55)}
.steps.is-in .step:nth-child(1)::after,.steps.is-in .step:nth-child(1)::before{transition-delay:.05s}
.steps.is-in .step:nth-child(2)::after,.steps.is-in .step:nth-child(2)::before{transition-delay:.25s}
.steps.is-in .step:nth-child(3)::after,.steps.is-in .step:nth-child(3)::before{transition-delay:.45s}
.steps.is-in .step:nth-child(4)::after,.steps.is-in .step:nth-child(4)::before{transition-delay:.65s}
.steps.is-in .step:nth-child(5)::after,.steps.is-in .step:nth-child(5)::before{transition-delay:.85s}
.steps.is-in .step:nth-child(6)::after,.steps.is-in .step:nth-child(6)::before{transition-delay:1.05s}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.steps{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1200px){.steps{grid-template-columns:repeat(6,1fr);gap:0 24px}}

/* Resultados (oculto até haver números reais) */
.metrics{display:grid;gap:32px;margin-top:56px}
.metric{display:grid;gap:8px;padding-top:24px;border-top:1px solid var(--line-soft)}
.metric strong{font-family:var(--f-display);font-weight:600;font-size:clamp(2.6rem,2rem + 3vw,4.5rem);letter-spacing:-.04em;line-height:1}
.metric span{color:var(--muted)}
@media (min-width:760px){.metrics{grid-template-columns:repeat(3,1fr);gap:48px}}

/* FAQ */
.faq{display:grid;gap:40px}
.faq__title{max-width:12ch}
.qa{border-bottom:1px solid var(--line-soft)}
.qa:first-child{border-top:1px solid var(--line-soft)}
.qa__q{
  width:100%;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;text-align:left;
  font-family:var(--f-display);font-weight:500;font-size:clamp(1.02rem,.95rem + .4vw,1.2rem);letter-spacing:-.02em;line-height:1.3;padding:18px 0;
  transition:color .3s var(--ease);
}
.qa__q:hover{color:var(--cyan)}
.qa__icon{position:relative;flex:none;width:18px;height:18px}
.qa__icon::before,.qa__icon::after{content:"";position:absolute;left:0;top:50%;width:100%;height:1.5px;background:currentColor;transition:transform .5s var(--ease)}
.qa__icon::after{transform:rotate(90deg)}
.qa__q[aria-expanded="true"] .qa__icon::after{transform:rotate(0)}
.qa__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease)}
.qa__panel>div{overflow:hidden}
.qa__panel p{color:var(--muted);padding:0 0 26px;max-width:62ch;opacity:0;transform:translateY(-6px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.qa.is-open .qa__panel{grid-template-rows:1fr}
.qa.is-open .qa__panel p{opacity:1;transform:none;transition-delay:.1s}
@media (min-width:960px){
  .faq{grid-template-columns:4fr 8fr;gap:clamp(56px,7vw,128px)}
  .faq__title{position:sticky;top:120px;align-self:start}
}

/* CTA final */
.final{position:relative;isolation:isolate;overflow:hidden;padding-block:clamp(110px,14vw,200px)}
.final__shape{
  position:absolute;z-index:-1;right:-18%;bottom:-30%;width:min(720px,92vw);height:auto;opacity:.14;
}
.final__inner{display:grid;gap:28px;justify-items:start}
.final__title{max-width:15ch;font-size:clamp(2.3rem,1.2rem + 5vw,5rem)}
@media (min-width:900px){.final__shape{opacity:.28;right:-3%;bottom:-34%;width:min(640px,46vw)}}

/* Rodapé */
.footer{border-top:1px solid var(--line-soft);padding-top:64px;background:var(--bg)}
.footer__grid{display:grid;gap:40px}
.footer__brand{display:grid;gap:14px;align-content:start}
.footer__brand p{color:var(--muted);max-width:30ch;font-size:.95rem}
.footer__col{display:grid;gap:6px;align-content:start}
.footer__col h2{font-family:var(--f-mono);font-weight:400;font-size:.8125rem;color:var(--muted);margin-bottom:8px}
.footer__col a{color:var(--text);padding:6px 0;width:fit-content;transition:color .3s}
.footer__col a:hover{color:var(--cyan)}
.footer__bottom{padding-block:48px max(32px,env(safe-area-inset-bottom));color:var(--muted);font-size:.875rem}
@media (min-width:760px){.footer__grid{grid-template-columns:2fr 1fr 1fr}}

/* WhatsApp flutuante */
.fab{
  position:fixed;z-index:40;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:var(--text);
  background:rgba(21,23,27,.86);border:1px solid var(--line-soft);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .5s var(--ease),transform .5s var(--ease),border-color .4s,background-color .4s,box-shadow .4s;
}
.fab.is-visible{opacity:1;transform:none;pointer-events:auto}
.fab:hover{border-color:rgba(0,200,255,.5);background:var(--surface-2);box-shadow:0 8px 28px -10px rgba(22,131,255,.6)}
.fab svg{transition:transform .4s var(--ease)}
.fab:hover svg{transform:scale(1.08) rotate(-6deg)}
.fab__tip{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translate(6px,-50%);white-space:nowrap;
  background:var(--surface-2);border:1px solid var(--line-soft);border-radius:10px;padding:8px 12px;font-size:.85rem;
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s var(--ease);
}
.fab:hover .fab__tip,.fab:focus-visible .fab__tip{opacity:1;transform:translate(0,-50%)}
@media (hover:none){.fab__tip{display:none}}

/* ---------- Telas muito largas ---------- */
@media (min-width:1800px){
  :root{--maxw:1520px}
  body{font-size:1.125rem}
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important}
  .v-a{stroke-dashoffset:0}
  .v-slab{clip-path:none}
  .h1 .ln>span,.hero__tag,.hero__sub,.hero__cta,.facts{transform:none;opacity:1}
  .v-guides,.v-angle,.v-label{opacity:1}
}