/* =========================================================
   FERSOL — Wireframe Mid-Fi
   Linguagem visual: mid-fidelity. Estrutura e proporcoes reais,
   conteudo em placeholder. Anotacoes a magenta = camada de UX,
   nao faz parte do design final.
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  --ink:#1d252d;
  --ink-2:#4a555f;
  --ink-3:#78838d;
  --paper:#d9d9d9;
  --paper-2:#cfd3d6;
  --paper-3:#c3c8cc;
  --blue:#236092;
  --slate:#717c7d;
  --line:rgba(29,37,45,.20);
  --line-2:rgba(29,37,45,.38);
  --note:#e5004c;
  --note-soft:rgba(229,0,76,.10);
  --white:#fff;

  --hdr:72px;
  --maxw:1360px;
  --gut:clamp(20px,4vw,64px);

  --sans:"Inter","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:500;letter-spacing:-.015em;line-height:1.12}
p{margin:0}

/* ---------- Utilities ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);width:100%}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.10em;text-transform:uppercase}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- Placeholder de media (mid-fi) ---------- */
.ph{
  position:relative;overflow:hidden;background:var(--paper-3);
  border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--ink-2);
}
.ph::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(29,37,45,.075) 0 1px,transparent 1px 10px);
}
.ph--dark{background:#39424b;border-color:rgba(255,255,255,.25);color:rgba(255,255,255,.86)}
.ph--dark::before{background:repeating-linear-gradient(135deg,rgba(255,255,255,.075) 0 1px,transparent 1px 10px)}
.ph__lbl{position:relative;z-index:1;padding:16px;max-width:90%}
.ph__kind{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid currentColor;border-radius:999px;padding:4px 10px;margin-bottom:10px;opacity:.85;
}
.ph__spec{font-family:var(--mono);font-size:11px;line-height:1.7;opacity:.72;letter-spacing:.02em}
.ph__name{font-size:15px;font-weight:500;margin-bottom:6px}

/* video: barra de movimento para sugerir loop */
.ph--video .ph__kind::before{content:"";width:0;height:0;border-left:7px solid currentColor;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent}
.ph--video::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:38%;z-index:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent);
  animation:sweep 4.5s var(--ease) infinite;
}
@keyframes sweep{0%{transform:translateX(-100%)}60%,100%{transform:translateX(360%)}}
@media (prefers-reduced-motion:reduce){.ph--video::after{animation:none}}

/* linhas de texto placeholder */
.lines{display:grid;gap:9px}
.lines i{display:block;height:9px;background:rgba(29,37,45,.17);border-radius:2px}
.lines i:last-child{width:62%}
.lines--light i{background:rgba(255,255,255,.26)}

/* ---------- Botoes (wireframe) ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;border:1.5px solid currentColor;border-radius:2px;
  font-size:14px;font-weight:500;letter-spacing:.02em;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--fill{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn--fill:hover{background:var(--blue);border-color:var(--blue)}
.btn--light{color:var(--white)}
.btn--light:hover{background:var(--white);color:var(--ink)}
.btn--sm{padding:9px 16px;font-size:12.5px}

/* =========================================================
   HEADER + MEGA MENU
   ========================================================= */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:120;
  background:var(--ink);color:var(--white);
  transition:transform .45s var(--ease);
}
.hdr__bar{height:var(--hdr);display:flex;align-items:center;gap:28px}
.hdr__logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.hdr__logo .mark{width:34px;height:34px;border:1.5px solid rgba(255,255,255,.55);border-radius:2px;display:grid;place-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.06em}
.hdr__logo .wm{font-size:17px;letter-spacing:.20em;font-weight:500}
.hdr__nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.hdr__nav a{font-size:14px;letter-spacing:.01em;padding:6px 0;position:relative;opacity:.88;transition:opacity .2s}
.hdr__nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:currentColor;transition:right .3s var(--ease)}
.hdr__nav a:hover{opacity:1}
.hdr__nav a:hover::after{right:0}
.hdr__aside{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.lang{display:flex;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.1em}
.lang b{font-weight:500}
.lang span{opacity:.45}
.hdr__burger{display:none}

/* mega menu overlay */
.mega{
  position:absolute;left:0;right:0;top:100%;background:var(--ink);color:var(--white);
  border-top:1px solid rgba(255,255,255,.14);
  display:grid;grid-template-columns:repeat(3,1fr);
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .5s var(--ease),opacity .3s var(--ease);
}
.hdr.is-mega .mega{max-height:340px;opacity:1}
.mega__item{
  padding:26px var(--gut);border-right:1px solid rgba(255,255,255,.10);border-bottom:1px solid rgba(255,255,255,.10);
  transition:background .3s var(--ease);
}
.mega__item:hover{background:rgba(255,255,255,.06)}
.mega__item .n{font-family:var(--mono);font-size:10px;opacity:.5;letter-spacing:.14em}
.mega__item .t{display:block;margin:8px 0 6px;font-size:15px;text-transform:uppercase;letter-spacing:.06em}
.mega__item .d{font-size:12.5px;opacity:.6;line-height:1.5}

/* barra de progresso de scroll */
.progress{position:fixed;top:0;left:0;height:2px;background:var(--blue);z-index:130;width:0}

/* =========================================================
   SECCOES 100vh
   ========================================================= */
.sec{
  position:relative;
  min-height:calc(100vh - var(--hdr));
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(56px,7vh,90px) 0;
  border-bottom:1px solid var(--line);
  z-index:2;background:var(--paper);
}
.sec--dark{background:var(--ink);color:var(--white);border-bottom-color:rgba(255,255,255,.12)}
.sec--blue{background:var(--blue);color:var(--white);border-bottom-color:rgba(255,255,255,.12)}
.sec--slate{background:var(--slate);color:var(--white);border-bottom-color:rgba(255,255,255,.12)}

.sec__tag{
  position:absolute;top:22px;left:var(--gut);z-index:6;
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  opacity:.5;
}
.sec__head{margin-bottom:clamp(26px,3.4vh,44px)}
.sec__head h2{font-size:clamp(28px,3.3vw,44px);margin-top:10px}
.sec__head p{max-width:60ch;color:var(--ink-2);margin-top:12px;font-size:16px}
.sec--dark .sec__head p,.sec--blue .sec__head p,.sec--slate .sec__head p{color:rgba(255,255,255,.72)}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;min-height:calc(100vh - var(--hdr));display:grid;align-items:end;overflow:hidden;margin-top:var(--hdr);border-bottom:1px solid var(--line);z-index:2}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg .ph{width:100%;height:100%;border:0}
.hero__scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(29,37,45,.55) 0%,rgba(29,37,45,.30) 40%,rgba(29,37,45,.82) 100%)}
.hero__inner{position:relative;z-index:2;color:var(--white);padding-bottom:clamp(48px,9vh,110px);padding-top:clamp(80px,14vh,150px)}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:5px 13px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.hero h1{font-size:clamp(34px,5.4vw,72px);max-width:17ch;line-height:1.04}
.hero__sub{margin-top:20px;max-width:56ch;font-size:clamp(15px,1.25vw,19px);color:rgba(255,255,255,.80)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  display:grid;place-items:center;gap:8px;color:rgba(255,255,255,.75);
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
}
.hero__cue span{display:block;width:1px;height:38px;background:linear-gradient(180deg,rgba(255,255,255,.7),transparent);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* =========================================================
   TABS VERTICAIS
   ========================================================= */
.tabs{display:grid;grid-template-columns:minmax(210px,270px) 1fr;gap:clamp(28px,4vw,64px);align-items:start}
.tabs__list{position:relative;display:grid;gap:2px;border-left:1px solid var(--line-2)}
.sec--dark .tabs__list,.sec--blue .tabs__list{border-left-color:rgba(255,255,255,.3)}
.tabs__ind{position:absolute;left:-4.5px;width:8px;height:8px;border-radius:50%;background:var(--blue);transition:top .45s var(--ease);top:14px}
.sec--dark .tabs__ind,.sec--blue .tabs__ind{background:var(--white)}
.tab{
  text-align:left;padding:11px 0 11px 20px;font-size:14.5px;color:var(--ink-3);
  transition:color .3s var(--ease),padding-left .3s var(--ease);
}
.sec--dark .tab,.sec--blue .tab{color:rgba(255,255,255,.55)}
.tab:hover{color:var(--ink-2);padding-left:26px}
.tab.is-on{color:var(--ink);font-weight:500}
.sec--dark .tab.is-on,.sec--blue .tab.is-on{color:var(--white)}
.tabs__panels{position:relative;min-height:380px}
.panel{display:none;grid-template-columns:1fr .85fr;gap:clamp(24px,3vw,48px);align-items:start}
.panel.is-on{display:grid;animation:fadeUp .6s var(--ease) both}
.panel h3{font-size:clamp(21px,2.1vw,28px);margin-bottom:16px}
.panel .body{display:grid;gap:14px;color:var(--ink-2);font-size:15.5px;max-width:62ch}
.sec--dark .panel .body,.sec--blue .panel .body{color:rgba(255,255,255,.75)}
.panel .ph{aspect-ratio:4/5;width:100%}
.panel__foot{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* lista de valores numerada */
.vals{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px;margin-top:6px}
.val{border-top:1px solid var(--line-2);padding-top:12px}
.sec--dark .val{border-top-color:rgba(255,255,255,.3)}
.val b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;opacity:.55;margin-bottom:7px}
.val strong{display:block;font-weight:500;font-size:15px;margin-bottom:6px}
.val p{font-size:13.5px;color:var(--ink-3);line-height:1.5}
.sec--dark .val p{color:rgba(255,255,255,.6)}

/* =========================================================
   STATEMENT FULL-BLEED
   ========================================================= */
.stmt{position:relative;min-height:calc(100vh - var(--hdr));display:grid;align-items:center;overflow:hidden;color:var(--white);border-bottom:1px solid var(--line);z-index:2}
.stmt__bg{position:absolute;inset:0;z-index:0}
.stmt__bg .ph{width:100%;height:100%;border:0}
.stmt__scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(29,37,45,.86) 0%,rgba(29,37,45,.55) 48%,rgba(29,37,45,.20) 100%)}
.stmt__inner{position:relative;z-index:2;max-width:640px}
.stmt h2{font-size:clamp(30px,4.4vw,58px);line-height:1.06}
.stmt p{margin-top:18px;color:rgba(255,255,255,.80);font-size:clamp(15px,1.2vw,18px);max-width:48ch}
.stmt .btn{margin-top:30px}
.stmt__specs{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.25)}
.stmt__specs div b{display:block;font-size:clamp(20px,2.2vw,30px);font-weight:500}
.stmt__specs div span{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;opacity:.62}

/* =========================================================
   SCROLL HORIZONTAL COM PIN
   ========================================================= */
.hscroll{position:relative;z-index:2;background:var(--ink);color:var(--white)}
.hscroll__sticky{position:sticky;top:var(--hdr);height:calc(100vh - var(--hdr));overflow:hidden;display:flex;flex-direction:column}
.hscroll__head{padding:clamp(26px,4vh,46px) var(--gut) 0;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.hscroll__head h2{font-size:clamp(26px,3.2vw,42px)}
.hscroll__meter{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.6;display:flex;align-items:center;gap:12px}
.hscroll__meter i{display:block;width:120px;height:2px;background:rgba(255,255,255,.22);position:relative}
.hscroll__meter i::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--p,0%);background:var(--white)}
.hscroll__track{display:flex;gap:clamp(18px,2.2vw,34px);padding:clamp(22px,3.4vh,40px) var(--gut);will-change:transform;flex:1;align-items:stretch}
.hcard{
  flex:0 0 clamp(300px,32vw,440px);display:flex;flex-direction:column;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.035);
}
.hcard .ph{aspect-ratio:16/10;border:0;border-bottom:1px solid rgba(255,255,255,.22)}
.hcard__b{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.hcard__n{font-family:var(--mono);font-size:10px;letter-spacing:.14em;opacity:.5}
.hcard h3{font-size:19px}
.hcard__d{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.55}
.spec{display:grid;grid-template-columns:auto 1fr;gap:5px 14px;font-family:var(--mono);font-size:11px;margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.16)}
.spec dt{opacity:.48;letter-spacing:.06em;text-transform:uppercase}
.spec dd{margin:0;opacity:.9}

/* =========================================================
   PARCEIROS OEM + CONTADORES
   ========================================================= */
.oem{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.oem div{background:var(--paper);aspect-ratio:16/7;display:grid;place-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3);transition:background .3s var(--ease),color .3s var(--ease)}
.oem div:hover{background:var(--ink);color:var(--white)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:26px;margin-top:clamp(30px,4vh,52px);padding-top:28px;border-top:1px solid var(--line-2)}
.stat b{display:block;font-size:clamp(32px,4vw,56px);font-weight:500;line-height:1}
.stat span{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);display:block;margin-top:8px}

/* =========================================================
   CONTACTOS
   ========================================================= */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:start}
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;opacity:.7}
.field .box{border:1px solid rgba(255,255,255,.42);height:46px;background:rgba(255,255,255,.07)}
.field .box--area{height:110px}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cinfo{display:grid;gap:22px}
.cinfo__b b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.62;margin-bottom:8px}
.cinfo__b p{font-size:15.5px;line-height:1.6}
.cmap{margin-top:6px}
.cmap .ph{aspect-ratio:16/7}

/* =========================================================
   FOOTER REVELADO (fixo por tras do conteudo)
   ========================================================= */
.ftr{position:fixed;left:0;right:0;bottom:0;z-index:1;background:var(--ink);color:var(--white);padding:clamp(40px,6vh,64px) 0 26px}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:clamp(24px,3vw,48px)}
.ftr h4{font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;opacity:.55;margin-bottom:14px;font-weight:400}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:14px}
.ftr ul a{opacity:.78;transition:opacity .2s}
.ftr ul a:hover{opacity:1}
.ftr__about p{font-size:13.5px;opacity:.66;line-height:1.6;margin-top:12px;max-width:38ch}
.ftr__bottom{margin-top:clamp(28px,4vh,46px);padding-top:20px;border-top:1px solid rgba(255,255,255,.16);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;opacity:.5}

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width:1080px){
  .ftr__grid{grid-template-columns:1fr 1fr}
  .panel{grid-template-columns:1fr}
  .panel .ph{aspect-ratio:16/9}
}
@media (max-width:860px){
  body{font-size:16px}
  .hdr__nav{display:none}
  .hdr__burger{display:grid;place-items:center;width:38px;height:38px;border:1px solid rgba(255,255,255,.4);margin-left:auto}
  .hdr__burger i{display:block;width:16px;height:1.5px;background:currentColor;box-shadow:0 -5px currentColor,0 5px currentColor}
  .tabs{grid-template-columns:1fr;gap:24px}
  .tabs__list{display:flex;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line-2);gap:18px;padding-bottom:2px}
  .tabs__ind{display:none}
  .tab{white-space:nowrap;padding:8px 0}
  .tab:hover{padding-left:0}
  .contact{grid-template-columns:1fr}
  .stmt__scrim{background:linear-gradient(180deg,rgba(29,37,45,.55),rgba(29,37,45,.88))}
  .ftr{position:relative}
  .ftr__grid{grid-template-columns:1fr}
}