/* ===========================================================
   TRACTOR CAR - Tapecaria Agricola e Automotiva
   Direcao: industrial moderno | paleta extraida da logo
   =========================================================== */

/* ---------- TOKENS ---------- */
:root{
  /* superficies */
  --carbon:      #070905;
  --carbon-2:    #0C100A;
  --steel:       #12170F;
  --steel-2:     #1A2016;
  --steel-3:     #232B1E;

  /* marca (amostrado da logo) */
  --green:       #9AEE20;
  --green-2:     #7FD11A;
  --green-dk:    #569F0F;
  --moss:        #436827;

  /* texto */
  --paper:       #EDF1E9;
  --muted:       #8D9784;
  --muted-2:     #636B5B;

  /* linhas */
  --line:        rgba(237,241,233,.10);
  --line-2:      rgba(237,241,233,.18);
  --line-green:  rgba(154,238,32,.26);

  --maxw: 1280px;
  --pad: clamp(20px, 5vw, 64px);
  --r: 3px;

  --f-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --f-body: "Inter", system-ui, -apple-system, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "Courier New", monospace;
}

/* ---------- RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--carbon); color:var(--paper);
  font-family:var(--f-body); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img,video,canvas{display:block; max-width:100%}
a{color:inherit; text-decoration:none}
button{font:inherit; cursor:pointer; border:0; background:none; color:inherit}
h1,h2,h3,h4{margin:0; font-family:var(--f-display); font-weight:800; line-height:.95;
  letter-spacing:-.015em; text-transform:uppercase;}
p{margin:0}
figure,figcaption{margin:0}
ul{margin:0; padding:0; list-style:none}
::selection{background:var(--green); color:#0A0C08}
:focus-visible{outline:2px solid var(--green); outline-offset:3px}

/* ---------- UTIL ---------- */
.wrap{width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--pad)}
.mono{font-family:var(--f-mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase}
.green{color:var(--green)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* fundo tecnico: malha fina de engenharia */
.grid-bg{position:relative}
.grid-bg::before{
  content:""; position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(to right, rgba(237,241,233,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237,241,233,.035) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, #000 25%, transparent 100%);
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, #000 25%, transparent 100%);
}
.grid-bg > *{position:relative; z-index:1}

/* faixa de sinalizacao industrial */
.hazard{
  height:8px; width:100%;
  background:repeating-linear-gradient(-45deg,
    var(--green) 0 10px, var(--carbon) 10px 20px);
  opacity:.85;
}

/* ---------- BOTOES ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 24px; border-radius:var(--r);
  font-family:var(--f-display); font-weight:800; font-size:14px;
  letter-spacing:.06em; text-transform:uppercase;
  transition:transform .18s cubic-bezier(.2,.7,.3,1), background .2s, color .2s, border-color .2s, box-shadow .2s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:none}
.btn--wa{background:var(--green); color:#0A0C08; box-shadow:0 0 0 0 rgba(154,238,32,.45)}
.btn--wa:hover{background:#ACF93C; transform:translateY(-2px); box-shadow:0 10px 30px -10px rgba(154,238,32,.6)}
.btn--ghost{border:1px solid var(--line-2); color:var(--paper)}
.btn--ghost:hover{border-color:var(--green); color:var(--green); transform:translateY(-2px)}
.btn--lg{padding:19px 34px; font-size:16px}
.btn--sm{padding:11px 18px; font-size:12px}

/* ---------- CABECALHO ---------- */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:60;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(7,9,5,.86); -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2); border-bottom-color:var(--line);
}
.nav__in{display:flex; align-items:center; gap:28px; height:74px}
.nav__logo img{height:42px; width:auto}
.nav__links{display:flex; gap:26px; margin-left:auto}
.nav__links a{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted); padding:6px 0; position:relative; transition:color .2s;
}
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--green); transition:width .25s ease;
}
.nav__links a:hover{color:var(--paper)}
.nav__links a:hover::after{width:100%}
.nav__cta{margin-left:8px}
@media(max-width:1000px){ .nav__links{display:none} .nav__cta{margin-left:auto} }
@media(max-width:520px){ .nav__in{height:64px} .nav__logo img{height:34px} }

/* ---------- HERO ---------- */
.hero{
  position:relative; min-height:100svh; display:flex; flex-direction:column;
  justify-content:flex-end; padding-top:110px; overflow:hidden; isolation:isolate;
}
.hero__media{position:absolute; inset:0; z-index:0}
.hero__media video, .hero__media img.poster{
  width:100%; height:100%; object-fit:cover;
  filter:saturate(.9) contrast(1.06) brightness(.92);
}
.hero__scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(to top, var(--carbon) 2%, rgba(7,9,5,.72) 42%, rgba(7,9,5,.55) 100%),
    linear-gradient(to right, rgba(7,9,5,.88) 0%, rgba(7,9,5,.35) 55%, rgba(7,9,5,.6) 100%);
}
.hero__scan{
  position:absolute; inset:0; pointer-events:none; opacity:.35;
  background:repeating-linear-gradient(to bottom, rgba(0,0,0,.5) 0 1px, transparent 1px 3px);
  mix-blend-mode:multiply;
}
.hero__in{position:relative; z-index:2; padding-bottom:clamp(28px,5vh,56px)}
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:10px; color:var(--green);
  border:1px solid var(--line-green); padding:7px 13px; border-radius:var(--r);
  background:rgba(154,238,32,.05); margin-bottom:26px;
}
.hero__eyebrow i{width:6px;height:6px;background:var(--green);display:block;
  animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{
  font-size:clamp(2.6rem, 7.4vw, 6.4rem); max-width:15ch;
  text-shadow:0 4px 40px rgba(0,0,0,.6);
}
.hero h1 em{font-style:normal; color:var(--green)}
.hero__sub{
  margin-top:24px; max-width:56ch; color:#CBD3C2; font-size:clamp(15px,1.7vw,18px);
}
.hero__actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:34px}
.hero__stats{
  border-top:1px solid var(--line); background:rgba(7,9,5,.55);
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  position:relative; z-index:1;
}
.hero__stats ul{
  display:grid; grid-template-columns:repeat(4,1fr);
  max-width:var(--maxw); margin-inline:auto; padding-inline:var(--pad);
}
.hero__stats li{padding:18px 0; border-left:1px solid var(--line); padding-left:18px}
.hero__stats li:first-child{border-left:0; padding-left:0}
.hero__stats b{display:block; font-family:var(--f-display); font-weight:800;
  font-size:clamp(15px,1.6vw,19px); letter-spacing:-.01em}
.hero__stats span{color:var(--muted); font-family:var(--f-mono); font-size:10px;
  letter-spacing:.16em; text-transform:uppercase}
@media(max-width:860px){
  .hero{justify-content:flex-start; padding-top:96px; min-height:auto}
  .hero__media{position:relative; inset:auto; width:100%; aspect-ratio:3/1; margin-top:30px; order:3}
  .hero__media video, .hero__media img.poster{filter:saturate(.9) contrast(1.05) brightness(.9)}
  .hero__scrim{background:linear-gradient(to bottom, rgba(7,9,5,.55), rgba(7,9,5,.12) 40%, rgba(7,9,5,.9))}
  .hero__in{padding-bottom:0}
  .hero__stats{order:4; margin-top:0}
  .hero__stats ul{grid-template-columns:repeat(2,1fr)}
  .hero__stats li:nth-child(3){border-left:0; padding-left:0}
  .hero__stats li{padding:14px 0 14px 14px}
}
@media(max-width:520px){
  .hero__stats ul{grid-template-columns:1fr}
  .hero__stats li{border-left:0;padding-left:0}
  .hero__actions{gap:10px}
  .hero__actions .btn{flex:1 1 100%; justify-content:center}
}

/* ---------- CABECALHO DE SECAO ---------- */
.sec{padding:clamp(72px,11vh,132px) 0; position:relative}
.sec-head{margin-bottom:clamp(40px,6vh,68px)}
.sec-head__top{display:flex; align-items:center; gap:16px; margin-bottom:22px; color:var(--green)}
.sec-head__top::after{content:""; height:1px; flex:1;
  background:linear-gradient(to right,var(--line-green),transparent)}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.6rem); max-width:20ch}
.sec-head p{margin-top:18px; max-width:62ch; color:var(--muted); font-size:clamp(15px,1.5vw,17px)}

/* ---------- IMERSAO (sequencia de frames, lado a lado) ---------- */
.immersive{position:relative; background:var(--carbon); border-block:1px solid var(--line)}
.immersive__track{height:380vh; position:relative}
.immersive__stage{
  position:sticky; top:0; height:100svh; overflow:hidden;
  display:flex; align-items:center; padding-top:74px;
}
/* malha tecnica de fundo, discreta */
.immersive__stage::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(237,241,233,.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237,241,233,.03) 1px, transparent 1px);
  background-size:72px 72px;
}
.im-grid{
  display:grid; grid-template-columns:.92fr 1.18fr; gap:clamp(28px,4.5vw,72px);
  align-items:center; position:relative; z-index:1;
}

/* --- coluna de texto --- */
.im-copy .sec-head__top{margin-bottom:clamp(20px,3vh,34px)}
.im-steps{display:grid}
.im-step{
  grid-area:1 / 1; opacity:0; transform:translateY(22px);
  transition:opacity .5s ease, transform .5s cubic-bezier(.2,.7,.3,1);
}
.im-step.is-on{opacity:1; transform:none}
.im-step .mono{color:var(--green); display:block; margin-bottom:14px}
.im-step h3{font-size:clamp(1.7rem,3.1vw,2.9rem); max-width:15ch}
.im-step p{margin-top:16px; max-width:44ch; color:#C2CAB8; font-size:clamp(14px,1.4vw,16.5px)}

.im-dots{display:flex; gap:8px; margin-top:clamp(24px,4vh,42px); list-style:none; padding:0}
.im-dots li{flex:0 0 34px}
.im-dots i{display:block; height:3px; background:var(--steel-3); transition:background .35s, flex-basis .35s}
.im-dots li.is-on{flex-basis:64px}
.im-dots li.is-on i{background:var(--green)}

/* --- painel do video --- */
.im-viewer{
  position:relative; aspect-ratio:16/9; width:100%;
  border:1px solid var(--line-2);
  background:
    radial-gradient(ellipse 60% 60% at 50% 45%, rgba(154,238,32,.07), transparent 70%),
    #000;
}
.im-viewer canvas{
  width:100%; height:100%; display:block;
  mix-blend-mode:screen;   /* o preto do video some no fundo do painel */
}
/* cantoneiras tecnicas */
.im-viewer__b{position:absolute; width:16px; height:16px; border:2px solid var(--green); z-index:2}
.im-viewer__b.tl{top:-1px; left:-1px; border-right:0; border-bottom:0}
.im-viewer__b.tr{top:-1px; right:-1px; border-left:0; border-bottom:0}
.im-viewer__b.bl{bottom:-1px; left:-1px; border-right:0; border-top:0}
.im-viewer__b.br{bottom:-1px; right:-1px; border-left:0; border-top:0}

.im-viewer__bar{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:11px 14px; background:linear-gradient(to top, rgba(7,9,5,.92), transparent);
  color:var(--green);
}
.im-viewer__bar .mono:last-child{color:var(--muted); font-variant-numeric:tabular-nums}
.im-viewer__meter{position:absolute; left:0; right:0; bottom:0; height:2px; background:rgba(237,241,233,.12); z-index:3}
.im-viewer__meter i{display:block; height:100%; width:0%; background:var(--green)}

@media(max-width:900px){
  .immersive__track{height:340vh}
  .immersive__stage{align-items:center; padding-top:64px}
  .im-grid{grid-template-columns:1fr; gap:clamp(22px,3.4vh,34px)}
  .im-viewer{order:-1}
  .im-copy .sec-head__top{display:none}
  .im-step h3{font-size:clamp(1.5rem,6.4vw,2.1rem); max-width:18ch}
  .im-step p{font-size:14.5px; max-width:50ch}
  .im-dots{margin-top:20px}
}
@media(max-width:560px){
  .im-step h3{font-size:clamp(1.5rem,7vw,2rem)}
  .im-step p{font-size:13.5px; margin-top:12px}
  .im-viewer__bar{padding:9px 11px}
  .im-viewer__bar .mono{font-size:9px; letter-spacing:.1em; white-space:nowrap}
}

/* ---------- CARTOES ---------- */
.cards{display:grid; gap:1px; background:var(--line); border:1px solid var(--line)}
.cards--3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--carbon-2); padding:clamp(26px,3.2vw,40px); position:relative; transition:background .3s}
.card:hover{background:var(--steel)}
.card__idx{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.18em; color:var(--green-dk);
  display:flex; align-items:center; gap:10px; margin-bottom:22px; transition:color .3s;
}
.card__idx::after{content:""; height:1px; flex:1; background:var(--line)}
.card:hover .card__idx{color:var(--green)}
.card h3{font-size:clamp(1.15rem,1.9vw,1.5rem); margin-bottom:12px}
.card p{color:var(--muted); font-size:15px}
.card__bar{position:absolute; left:0; top:0; width:2px; height:0; background:var(--green); transition:height .35s ease}
.card:hover .card__bar{height:100%}
@media(max-width:980px){ .cards--3{grid-template-columns:repeat(2,1fr)} }
@media(max-width:660px){ .cards--3{grid-template-columns:1fr} }

/* ---------- DIAGNOSTICO ---------- */
.diag{background:var(--carbon-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.diag__grid{display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,5vw,72px); align-items:start}
.check{border:1px solid var(--line); background:var(--carbon)}
.check li{border-bottom:1px solid var(--line)}
.check li:last-child{border-bottom:0}
.check label{
  display:flex; gap:16px; align-items:flex-start; padding:18px 22px; cursor:pointer;
  transition:background .2s; font-size:15px; color:#C7CFBE;
}
.check label:hover{background:var(--steel)}
.check input{position:absolute; opacity:0; pointer-events:none}
.check .box{
  width:20px; height:20px; border:1px solid var(--line-2); flex:none; margin-top:2px;
  display:grid; place-items:center; transition:all .2s; border-radius:2px;
}
.check .box svg{width:12px; height:12px; opacity:0; transform:scale(.6); transition:all .2s; color:#0A0C08}
.check input:checked + .box{background:var(--green); border-color:var(--green)}
.check input:checked + .box svg{opacity:1; transform:none}
.check input:checked ~ span{color:var(--paper)}
.check input:focus-visible + .box{outline:2px solid var(--green); outline-offset:3px}
.diag__panel{
  border:1px solid var(--line); background:var(--carbon); padding:clamp(26px,3.4vw,40px);
  position:sticky; top:110px;
}
.gauge{display:flex; align-items:baseline; gap:12px; margin-bottom:8px}
.gauge b{font-family:var(--f-display); font-weight:800; font-size:clamp(3.4rem,8vw,5.2rem);
  line-height:.85; color:var(--green)}
.gauge span{font-family:var(--f-mono); font-size:12px; letter-spacing:.14em; color:var(--muted)}
.meter{height:4px; background:var(--steel-2); overflow:hidden; margin:18px 0 22px}
.meter i{display:block; height:100%; width:0%; background:var(--green);
  transition:width .4s cubic-bezier(.2,.7,.3,1)}
.diag__verdict{min-height:96px; margin-bottom:26px; color:#C7CFBE; font-size:15px}
.diag__verdict strong{color:var(--paper); display:block; font-family:var(--f-display);
  font-size:20px; text-transform:uppercase; margin-bottom:8px; letter-spacing:-.01em}
@media(max-width:860px){ .diag__grid{grid-template-columns:1fr} .diag__panel{position:static} }

/* ---------- TRABALHOS (trilho) ---------- */
.rail{
  display:flex; gap:1px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding-bottom:18px; margin-inline:calc(var(--pad) * -1); padding-inline:var(--pad);
  scrollbar-width:thin; scrollbar-color:var(--moss) transparent;
}
.rail::-webkit-scrollbar{height:4px}
.rail::-webkit-scrollbar-thumb{background:var(--moss)}
.rail::-webkit-scrollbar-track{background:var(--steel-2)}
.work{
  flex:0 0 240px; scroll-snap-align:start; position:relative; overflow:hidden;
  background:var(--steel); border:1px solid var(--line);
}
.work img{width:240px; height:400px; object-fit:cover; filter:saturate(.92) contrast(1.04);
  transition:transform .5s cubic-bezier(.2,.7,.3,1), filter .4s}
.work:hover img{transform:scale(1.05); filter:saturate(1.05) contrast(1.06)}
.work__tag{
  position:absolute; left:0; right:0; bottom:0; padding:44px 14px 14px;
  background:linear-gradient(to top, rgba(7,9,5,.96), transparent);
  font-family:var(--f-mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase;
  color:#D6DDCD; line-height:1.5;
}
.work__n{
  position:absolute; z-index:2; top:10px; left:12px; font-family:var(--f-mono); font-size:10px;
  letter-spacing:.14em; color:var(--green); background:rgba(7,9,5,.8); padding:4px 7px;
}
.work__tag{z-index:2}
.rail-hint{display:flex; align-items:center; gap:10px; margin-top:18px; color:var(--muted-2)}

/* ---------- PROCESSO ---------- */
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line)}
.step{background:var(--carbon-2); padding:clamp(26px,3vw,36px); position:relative}
.step b{
  display:block; font-family:var(--f-display); font-weight:800; font-size:3.4rem;
  line-height:.8; color:transparent; -webkit-text-stroke:1px var(--moss); margin-bottom:20px;
  transition:-webkit-text-stroke-color .3s;
}
.step:hover b{-webkit-text-stroke-color:var(--green)}
.step h3{font-size:1.1rem; margin-bottom:10px}
.step p{color:var(--muted); font-size:14.5px}
@media(max-width:980px){ .steps{grid-template-columns:repeat(2,1fr)} }
@media(max-width:560px){ .steps{grid-template-columns:1fr} }

/* ---------- SERVICOS ---------- */
.svc{border-top:1px solid var(--line)}
.svc__item{
  display:grid; grid-template-columns:84px 1fr 1.15fr; gap:clamp(16px,3vw,44px);
  padding:clamp(26px,3.4vw,38px) 0; border-bottom:1px solid var(--line);
  align-items:start; transition:background .3s, padding-left .3s;
}
.svc__item:hover{background:linear-gradient(to right, rgba(154,238,32,.06), transparent 60%); padding-left:14px}
.svc__n{font-family:var(--f-mono); font-size:12px; letter-spacing:.16em; color:var(--green-dk); padding-top:6px; transition:color .3s}
.svc__item:hover .svc__n{color:var(--green)}
.svc__item h3{font-size:clamp(1.3rem,2.4vw,1.9rem)}
.svc__item p{color:var(--muted); font-size:15.5px}
.svc__meta{margin-top:12px; display:flex; flex-wrap:wrap; gap:8px}
.chip{
  font-family:var(--f-mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase;
  border:1px solid var(--line-2); padding:5px 9px; color:var(--muted); border-radius:2px;
}
@media(max-width:760px){ .svc__item{grid-template-columns:1fr; gap:10px} .svc__n{padding-top:0} }

/* ---------- CTA FINAL ---------- */
.cta{position:relative; overflow:hidden; background:var(--carbon-2); border-top:1px solid var(--line)}
.cta__glow{
  position:absolute; left:50%; top:0; width:120vw; height:520px; transform:translate(-50%,-58%);
  background:radial-gradient(closest-side, rgba(154,238,32,.17), transparent 72%); pointer-events:none;
}
.cta__in{text-align:center; position:relative}
.cta h2{font-size:clamp(2.2rem,6vw,4.6rem); margin-inline:auto; max-width:16ch}
.cta p{margin:22px auto 0; max-width:52ch; color:var(--muted); font-size:clamp(15px,1.6vw,17px)}
.cta__actions{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin-top:36px}

/* ---------- RODAPE ---------- */
.foot{background:var(--carbon); border-top:1px solid var(--line); padding-top:clamp(48px,7vh,80px)}
.foot__grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:clamp(28px,4vw,60px); padding-bottom:56px}
.foot__logo img{height:76px; width:auto; margin-bottom:20px}
.foot p{color:var(--muted); font-size:14.5px; max-width:40ch}
.foot h4{font-family:var(--f-mono); font-weight:500; font-size:11px; letter-spacing:.18em;
  text-transform:uppercase; color:var(--green); margin:0 0 18px}
.foot li{margin-bottom:11px; color:var(--muted); font-size:14.5px}
.foot li a{transition:color .2s}
.foot li a:hover{color:var(--green)}
.foot__bar{
  border-top:1px solid var(--line); padding:22px 0 84px; display:flex; flex-wrap:wrap; gap:12px;
  justify-content:space-between; color:var(--muted-2);
}
@media(max-width:860px){ .foot__grid{grid-template-columns:1fr 1fr} .foot__logo{grid-column:1/-1} }
@media(max-width:520px){ .foot__grid{grid-template-columns:1fr} }

/* ---------- BOTAO FLUTUANTE ---------- */
.fab{
  position:fixed; right:18px; bottom:18px; z-index:70;
  display:flex; align-items:center; gap:10px; padding:14px 20px;
  background:var(--green); color:#0A0C08; border-radius:999px;
  font-family:var(--f-display); font-weight:800; font-size:14px; letter-spacing:.05em;
  text-transform:uppercase; box-shadow:0 14px 34px -10px rgba(0,0,0,.7);
  opacity:0; transform:translateY(20px); pointer-events:none;
  transition:opacity .3s, transform .3s, background .2s;
}
.fab.is-on{opacity:1; transform:none; pointer-events:auto}
.fab:hover{background:#ACF93C}
.fab svg{width:20px;height:20px}
@media(max-width:520px){ .fab span{display:none} .fab{padding:16px; border-radius:50%} }

/* ---------- REVEAL ---------- */
.rv{opacity:0; transform:translateY(24px);
  transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.is-in{opacity:1; transform:none}
.rv-d1{transition-delay:.08s}
.rv-d2{transition-delay:.16s}
.rv-d3{transition-delay:.24s}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important; transition-duration:.001ms!important}
  .rv{opacity:1; transform:none}
}