/* ============================================================
   TZB Engenharia e Consultoria
   Design language: "prancha técnica" — a drafting sheet.
   Ink on vellum, hairline rules, a routed conduit line as the
   single connective motif, lime reserved for measurement.
   ============================================================ */

@font-face{font-family:'Archivo';font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  src:url(https://fonts.gstatic.com/s/archivo/v25/k3kQo8UDI-1M0wlSfdnoLg.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Archivo';font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  src:url(https://fonts.gstatic.com/s/archivo/v25/k3kQo8UDI-1M0wlSfdfoLnnA.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}

:root{
  /* ---- palette ---------------------------------------------------- */
  --ink:#14211B;          /* text, deepest green-black          */
  --forest:#253B31;       /* brand dark green (from the mark)   */
  --forest-deep:#1A2C23;  /* dark section ground                */
  --green:#43AE56;        /* brand green                        */
  --lime:#BAD337;         /* brand lime — measurement only      */
  --vellum:#EBEDE6;       /* drafting paper ground              */
  --chalk:#F7F8F4;        /* raised surface                     */

  --rule:rgba(20,33,27,.16);
  --rule-soft:rgba(20,33,27,.085);
  --rule-dark:rgba(235,237,230,.18);
  --muted:rgba(20,33,27,.62);
  --muted-dark:rgba(235,237,230,.66);

  /* ---- type ------------------------------------------------------- */
  --sans:'Archivo','Archivo Fallback',system-ui,-apple-system,'Segoe UI',sans-serif;
  --t-xs:.735rem; --t-sm:.845rem; --t-base:1rem; --t-md:1.125rem;
  --t-lg:1.42rem; --t-xl:1.95rem;
  --t-display:clamp(2.15rem,4.35vw,4.15rem);
  --t-section:clamp(1.5rem,4.6vw,3.05rem);

  /* ---- metrics ---------------------------------------------------- */
  --rail:82px;                    /* left drafting rail width        */
  --gut:clamp(1.25rem,4vw,3.25rem);
  --maxw:1360px;
  --sheet:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* Archivo fallback metrics — stops the swap from reflowing */
@font-face{font-family:'Archivo Fallback';src:local('Arial'),local('Helvetica'),local('Liberation Sans');
  size-adjust:101%;ascent-override:92%;descent-override:24%;line-gap-override:0%;}

*,*::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;
  font-family:var(--sans);
  font-size:clamp(16px,.35vw + 15px,17.5px);
  font-weight:400;
  font-variation-settings:'wdth' 100;
  line-height:1.62;
  color:var(--ink);
  background:var(--vellum);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.02;letter-spacing:-.02em;font-variation-settings:'wdth' 108}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
figure,figcaption,dl,dd{margin:0}
button,input,textarea,select{font:inherit;color:inherit}

:focus-visible{outline:2.5px solid var(--green);outline-offset:3px;border-radius:2px}
.dark :focus-visible{outline-color:var(--lime)}

.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============================================================
   Drafting-sheet ground
   ============================================================ */
.sheet-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,var(--rule-soft) 1px,transparent 1px),
    linear-gradient(to bottom,var(--rule-soft) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(110% 95% at 72% 46%,#000 8%,transparent 70%);
          mask-image:radial-gradient(110% 95% at 72% 46%,#000 8%,transparent 70%);
}

/* ============================================================
   Masthead
   ============================================================ */
.masthead{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;gap:clamp(1rem,3vw,2.5rem);
  padding:.85rem var(--gut);
  background:rgba(235,237,230,.82);
  backdrop-filter:saturate(1.5) blur(14px);
  -webkit-backdrop-filter:saturate(1.5) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .35s var(--ease),background .35s var(--ease),padding .35s var(--ease);
}
.masthead.is-stuck{border-bottom-color:var(--rule);padding-top:.6rem;padding-bottom:.6rem}

.brand{display:flex;align-items:center;gap:.7rem;flex:0 0 auto}
.brand svg{width:clamp(86px,7.6vw,108px);height:auto;transition:width .35s var(--ease)}
.masthead.is-stuck .brand svg{width:clamp(74px,6.2vw,90px)}

.nav{display:flex;align-items:center;gap:clamp(.5rem,1.5vw,1.45rem);margin-left:auto}
.nav a{
  position:relative;
  font-size:var(--t-sm);font-weight:600;font-variation-settings:'wdth' 86;
  letter-spacing:.045em;text-transform:uppercase;
  padding:.5rem .1rem;color:rgba(20,33,27,.74);
  transition:color .2s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:.16rem;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:hover,.nav a[aria-current="true"]{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current="true"]::after{transform:scaleX(1)}
.nav a[aria-current="true"]::after{background:var(--lime);height:3px}

.lang{display:flex;align-items:center;border:1px solid var(--rule);border-radius:100px;overflow:hidden;flex:0 0 auto}
.lang button{
  background:none;border:0;cursor:pointer;padding:.34rem .62rem;
  font-size:var(--t-xs);font-weight:700;font-variation-settings:'wdth' 84;letter-spacing:.06em;
  color:rgba(20,33,27,.55);transition:background .22s,color .22s;
}
.lang button[aria-pressed="true"]{background:var(--forest);color:var(--vellum)}

.burger{display:none;background:none;border:1px solid var(--rule);border-radius:3px;cursor:pointer;
  width:40px;height:36px;padding:9px 8px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:920px){
  .burger{display:flex}
  .nav{
    position:fixed;inset:auto 0 0 0;top:var(--mh,64px);
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:var(--vellum);border-top:1px solid var(--rule);
    padding:.5rem var(--gut) 2rem;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .28s var(--ease),transform .28s var(--ease);
    overflow-y:auto;
  }
  .nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:.95rem 0;border-bottom:1px solid var(--rule-soft);font-size:var(--t-md)}
  .nav a::after{bottom:0}
}

/* ============================================================
   Left drafting rail — station markers (desktop)
   ============================================================ */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail);z-index:40;
  display:none;flex-direction:column;justify-content:center;gap:0;
  padding-left:calc(var(--gut) - .35rem);
  pointer-events:none;
}
@media (min-width:1180px){.rail{display:flex}}
.rail::before{content:"";position:absolute;left:calc(var(--gut) + .15rem);top:14vh;bottom:14vh;width:1px;background:var(--rule)}
.rail li{position:relative;padding:.5rem 0;pointer-events:auto}
.rail::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--vellum) 55%,transparent);
  opacity:0;transition:opacity .3s var(--ease);pointer-events:none;z-index:-1}
.rail:hover::after{opacity:.92}
.rail.on-dark::after{background:linear-gradient(90deg,var(--forest-deep) 55%,transparent)}
.rail a{display:flex;align-items:center;gap:.7rem}
.rail .tick{width:11px;height:1.5px;background:var(--rule);transition:width .3s var(--ease),background .3s var(--ease)}
.rail .lbl{
  font-size:.62rem;font-weight:700;font-variation-settings:'wdth' 78;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(20,33,27,.34);white-space:nowrap;
  opacity:0;transform:translateX(-5px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .3s var(--ease);
}
.rail:hover .lbl{opacity:1;transform:none}
.rail a:hover .lbl{color:var(--ink)}
.rail a[aria-current="true"] .tick{width:26px;background:var(--lime);height:2.5px}
.rail:hover a[aria-current="true"] .lbl{color:var(--ink)}
.rail.on-dark .tick{background:var(--rule-dark)}
.rail.on-dark .lbl{color:rgba(235,237,230,.45)}
.rail.on-dark a[aria-current="true"] .tick{background:var(--lime)}
.rail.on-dark:hover a[aria-current="true"] .lbl{color:var(--vellum)}
.rail.on-dark:hover a:hover .lbl{color:var(--vellum)}
.rail.on-dark::before{background:var(--rule-dark)}

/* ============================================================
   Layout primitives
   ============================================================ */
.wrap{width:min(100% - 2*var(--gut),var(--maxw));margin-inline:auto}
@media (min-width:1180px){.wrap{margin-left:max(var(--rail),calc(50vw - var(--maxw)/2));margin-right:var(--gut);width:auto;max-width:var(--maxw)}}

section{position:relative}
.band{padding-block:clamp(4.5rem,10vw,8.5rem)}
.band--tight{padding-block:clamp(3.5rem,7vw,6rem)}

.dark{background:var(--forest-deep);color:var(--vellum)}
.dark h1,.dark h2,.dark h3{color:var(--vellum)}

/* Section heading: a title bar with a measured rule, like a sheet header */
.shead{display:flex;align-items:flex-end;flex-wrap:wrap;gap:.5rem 1.4rem;
  margin-bottom:clamp(2rem,4vw,3.4rem)}
.shead h2{font-size:var(--t-section);font-variation-settings:'wdth' 108;text-transform:uppercase;
  letter-spacing:-.025em;min-width:0;overflow-wrap:break-word}
.shead .meas{flex:1 1 auto;height:1px;background:var(--rule);position:relative;margin-bottom:.85rem}
.shead .meas::before,.shead .meas::after{content:"";position:absolute;width:1px;height:9px;background:var(--rule);bottom:-4px}
.shead .meas::before{left:0}.shead .meas::after{right:0}
.dark .shead .meas,.dark .shead .meas::before,.dark .shead .meas::after{background:var(--rule-dark)}
.shead .n{font-size:var(--t-xs);font-weight:700;font-variation-settings:'wdth' 80;letter-spacing:.12em;
  color:var(--muted);margin-bottom:.9rem;white-space:nowrap}
.dark .shead .n{color:var(--muted-dark)}

.lede{font-size:clamp(1.12rem,1.55vw,1.44rem);line-height:1.45;max-width:56ch;font-weight:500;
  letter-spacing:-.014em;text-wrap:pretty}
.body-col{max-width:62ch}
.body-col p + p{margin-top:1.05em}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding-top:clamp(6rem,12vh,9rem);padding-bottom:clamp(3rem,8vh,6rem);
  overflow:hidden;
}
.hero__inner{position:relative;z-index:2;display:grid;gap:clamp(2rem,5vw,4.5rem);align-items:center;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}
@media (max-width:1000px){.hero__inner{grid-template-columns:1fr}}

.hero h1{
  font-size:var(--t-display);
  font-variation-settings:'wdth' 112;
  letter-spacing:-.032em;line-height:.96;
}
.hero h1 .ln{display:block;overflow:hidden}
.hero h1 .ln > span{display:block}
.hero__sub{margin-top:clamp(1.2rem,2.4vw,1.9rem);font-size:clamp(1.05rem,1.5vw,1.3rem);
  line-height:1.5;max-width:52ch;color:rgba(20,33,27,.78);text-wrap:pretty}
.hero__acts{margin-top:clamp(1.8rem,3.4vw,2.6rem);display:flex;flex-wrap:wrap;gap:.8rem}
.hero__acts .btn:first-child{--bg:var(--lime);--fg:var(--ink);--bd:var(--lime)}
.hero__acts .btn:first-child .dot{background:var(--forest)}
.hero__acts .btn--ghost{--fg:var(--vellum);--bd:rgba(235,237,230,.34);
  background:rgba(9,18,13,.32);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.hero__acts .btn--ghost:hover{--bd:var(--lime);--fg:var(--lime)}
.hero__acts .btn--ghost .dot{background:var(--lime)}

/* the routed conduit — brand device */
.route{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:visible}
.route path{fill:none;stroke-linecap:square;stroke-linejoin:miter;vector-effect:non-scaling-stroke}

/* logo plate in the hero */
.plate{position:relative;display:flex;align-items:center;justify-content:center;
  padding:clamp(2.2rem,5vw,4.2rem) clamp(1.2rem,3vw,2.6rem)}
.plate__logo{width:min(100%,470px);height:auto;overflow:visible}


/* ============================================================
   Buttons
   ============================================================ */
.btn{
  --bg:var(--forest);--fg:var(--vellum);--bd:var(--forest);
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.92rem 1.6rem;background:var(--bg);color:var(--fg);border:1.5px solid var(--bd);
  font-size:var(--t-sm);font-weight:700;font-variation-settings:'wdth' 92;
  letter-spacing:.055em;text-transform:uppercase;cursor:pointer;border-radius:2px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .18s var(--ease);
  position:relative;overflow:hidden;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ghost{--bg:transparent;--fg:var(--ink);--bd:var(--rule)}
.btn--ghost:hover{--bd:var(--forest)}
.dark .btn--ghost{--fg:var(--vellum);--bd:var(--rule-dark)}
.dark .btn--ghost:hover{--bd:var(--lime);--fg:var(--lime)}
.btn--lime{--bg:var(--lime);--fg:var(--ink);--bd:var(--lime)}
.btn .dot{width:6px;height:6px;background:var(--lime);border-radius:50%;flex:0 0 auto}
.btn--lime .dot{background:var(--forest)}
.btn--ghost .dot{background:var(--green)}

/* ============================================================
   Serviços — editorial rows, not identical cards
   ============================================================ */
.svcs{border-top:1px solid var(--rule)}
.svc{
  display:grid;grid-template-columns:minmax(0,.34fr) minmax(0,.66fr);
  gap:clamp(1rem,4vw,3rem);align-items:start;
  padding-block:clamp(1.9rem,3.6vw,2.9rem);border-bottom:1px solid var(--rule);
  transition:background .3s var(--ease);
}
@media (max-width:780px){.svc{grid-template-columns:1fr;gap:.7rem}}
.svc:hover{background:rgba(255,255,255,.5)}
.svc h3{font-size:clamp(1.35rem,2.3vw,2.05rem);font-variation-settings:'wdth' 106;letter-spacing:-.022em}
.svc .k{display:flex;align-items:baseline;gap:.85rem}
.svc .k .mk{width:7px;height:7px;background:var(--green);flex:0 0 auto;transform:translateY(-.2em);
  transition:background .3s var(--ease),transform .3s var(--ease)}
.svc:hover .k .mk{background:var(--lime);transform:translateY(-.2em) rotate(45deg)}
.svc p{color:var(--muted);max-width:70ch;text-wrap:pretty}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1rem}
.tag{
  font-size:var(--t-xs);font-weight:600;font-variation-settings:'wdth' 88;letter-spacing:.028em;
  padding:.3rem .6rem;border:1px solid var(--rule);border-radius:2px;color:rgba(20,33,27,.72);
  background:rgba(255,255,255,.45);
}
.dark .tag{border-color:var(--rule-dark);color:rgba(235,237,230,.8);background:rgba(255,255,255,.04)}

/* ============================================================
   Ciclo — the delivery route (a real sequence → stations earn numbers)
   ============================================================ */
.ciclo{position:relative}
.ciclo__track{position:relative;margin-top:clamp(2rem,4vw,3rem)}
.ciclo__line{position:absolute;left:0;right:0;top:13px;height:2px;background:var(--rule-dark);overflow:hidden}
.ciclo__line i{position:absolute;inset:0;background:linear-gradient(90deg,var(--green),var(--lime));
  transform-origin:left;transform:scaleX(0)}
.stations{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:.75rem;position:relative}
@media (max-width:900px){.stations{grid-template-columns:repeat(2,1fr);gap:1.6rem 1.2rem}.ciclo__line{display:none}}
@media (max-width:480px){.stations{grid-template-columns:1fr}}
.stn{position:relative;padding-top:0}
.stn .pin{width:28px;height:28px;border-radius:50%;border:2px solid var(--rule-dark);
  background:var(--forest-deep);display:grid;place-items:center;
  font-size:.7rem;font-weight:800;font-variation-settings:'wdth' 84;color:var(--muted-dark);
  transition:border-color .3s var(--ease),color .3s var(--ease),background .3s var(--ease)}
.stn.is-on .pin{border-color:var(--lime);color:var(--ink);background:var(--lime)}
.stn h4{margin-top:1rem;font-size:var(--t-sm);font-weight:700;font-variation-settings:'wdth' 94;
  line-height:1.25;letter-spacing:-.005em;color:var(--vellum)}
.stn p{margin-top:.4rem;font-size:var(--t-xs);line-height:1.45;color:var(--muted-dark)}

/* ============================================================
   Segmentos
   ============================================================ */
.seg{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);
  gap:clamp(1.6rem,5vw,4.5rem);align-items:center;
  padding-block:clamp(3rem,6vw,5rem);border-top:1px solid var(--rule-dark);
}
.seg:first-of-type{border-top:0}
@media (max-width:940px){.seg{grid-template-columns:1fr;gap:1.8rem}.seg__art{order:-1}}
.seg h3{font-size:clamp(1.9rem,3.9vw,3.15rem);font-variation-settings:'wdth' 114;
  text-transform:uppercase;letter-spacing:-.03em;line-height:.97}
.seg__body{color:var(--muted-dark);margin-top:1.2rem;max-width:58ch;text-wrap:pretty}
.seg__body p + p{margin-top:.9em}
.seg__art{position:relative;aspect-ratio:4/3;display:grid;place-items:center;min-width:0}
.seg__art svg{width:100%;height:auto;overflow:visible}
.iso .ln{fill:none;stroke:var(--rule-dark);stroke-width:1;vector-effect:non-scaling-stroke}
.iso .hi{fill:none;stroke:var(--green);stroke-width:1.4;vector-effect:non-scaling-stroke}
.iso .ac{fill:none;stroke:var(--lime);stroke-width:1.8;vector-effect:non-scaling-stroke}
.iso .fl{fill:rgba(67,174,86,.09);stroke:none}
.iso .fl2{fill:rgba(186,211,55,.1);stroke:none}
.iso text{font-family:var(--sans);font-size:8px;font-weight:600;font-variation-settings:'wdth' 80;
  letter-spacing:.09em;fill:rgba(235,237,230,.42);text-transform:uppercase}

/* ============================================================
   Projetos — disciplines + plates
   ============================================================ */
/* Projetos — lista editorial de disciplinas */
.proj__intro{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:clamp(1rem,3.5vw,3.2rem);align-items:start;margin-bottom:clamp(2.4rem,5vw,3.6rem)}
@media (max-width:860px){.proj__intro{grid-template-columns:1fr;gap:1.1rem}}
.proj__body p{color:var(--muted);max-width:60ch;text-wrap:pretty}

.disc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  column-gap:clamp(1.5rem,4vw,4rem);border-top:1px solid var(--rule)}
@media (max-width:960px){.disc{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.disc{grid-template-columns:1fr}}
.disc li{display:flex;align-items:baseline;gap:.85rem;padding:1rem .4rem 1rem .1rem;
  border-bottom:1px solid var(--rule);font-size:var(--t-md);font-weight:500;
  letter-spacing:-.008em;line-height:1.25;transition:padding-left .28s var(--ease)}
.disc li:hover{padding-left:.55rem}
.disc li i{width:6px;height:6px;background:var(--green);flex:0 0 auto;
  transform:translateY(-.15em);transition:transform .28s var(--ease),background .28s var(--ease)}
.disc li:hover i{background:var(--lime);transform:translateY(-.15em) rotate(45deg) scale(1.3)}

.plates{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.9rem,2vw,1.5rem);
  margin-top:clamp(2.2rem,4.5vw,3.4rem)}
@media (max-width:880px){.plates{grid-template-columns:1fr}}
.plate-card{position:relative;overflow:hidden;border:1px solid var(--rule);background:var(--chalk);border-radius:2px}
/* cada cartão empilha as fotos do segmento; só a .is-on aparece */
.plate-card__reel{position:relative;aspect-ratio:4/3;overflow:hidden}
.plate-card__reel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  filter:saturate(.92) contrast(1.04);
  transition:opacity 1s var(--ease),transform .7s var(--ease),filter .5s var(--ease)}
.plate-card__reel img.is-on{opacity:1}
.plate-card:hover img{transform:scale(1.045);filter:saturate(1.04) contrast(1.06)}
.plate-card figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.8rem 1.15rem 1.05rem;
  background:linear-gradient(to top,rgba(14,24,19,.95) 14%,rgba(14,24,19,.7) 56%,rgba(14,24,19,0));
  color:var(--vellum)}
/* títulos sobrepostos na mesma célula, a altura segue o mais longo */
.plate-card__titles{display:grid}
.plate-card__titles b{grid-area:1/1;align-self:end;opacity:0;transition:opacity .6s var(--ease)}
.plate-card__titles b.is-on{opacity:1}
.plate-card figcaption b{display:block;font-size:var(--t-base);font-weight:700;
  font-variation-settings:'wdth' 100;letter-spacing:-.012em;line-height:1.2}
.plate-card figcaption span{display:block;margin-top:.3rem;font-size:var(--t-xs);font-weight:600;
  font-variation-settings:'wdth' 84;letter-spacing:.11em;text-transform:uppercase;
  color:var(--lime)}
/* marcadores criados pelo JS: um traço por foto, o atual enche durante a exibição */
.plate-card__ticks{display:flex;gap:.3rem;margin:0 0 .45rem -.1rem}
.plate-card__ticks button{position:relative;width:1.7rem;height:1.2rem;padding:0;border:0;background:none;cursor:pointer}
.plate-card__ticks button::before,.plate-card__ticks i{content:"";position:absolute;left:.1rem;right:.1rem;top:50%;
  height:2px;margin-top:-1px}
.plate-card__ticks button::before{background:rgba(235,237,230,.3);transition:background .25s var(--ease)}
.plate-card__ticks button:hover::before{background:rgba(235,237,230,.6)}
.plate-card__ticks i{background:var(--lime);transform:scaleX(0);transform-origin:left}
.plate-card__ticks [aria-current] i{animation:reel-tick var(--dwell,5.5s) linear var(--lag,0s) both}
.plate-card:hover .plate-card__ticks i,.plate-card:focus-within .plate-card__ticks i,
.plate-card.is-idle .plate-card__ticks i{animation-play-state:paused}
@keyframes reel-tick{to{transform:scaleX(1)}}

/* ============================================================
   Números
   ============================================================ */
.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;
  border-top:1px solid var(--rule-dark)}
.figs--centred{margin-top:clamp(2.8rem,5.5vw,4.4rem)}
.fig{padding:clamp(1.5rem,3vw,2.4rem) 1.4rem clamp(1.5rem,3vw,2.4rem) 0;border-right:1px solid var(--rule-dark)}
.fig:last-child{border-right:0}
@media (max-width:700px){.fig{border-right:0;border-bottom:1px solid var(--rule-dark)}}
.fig b{display:block;font-size:clamp(2.3rem,5vw,3.9rem);font-weight:800;font-variation-settings:'wdth' 108;
  letter-spacing:-.04em;line-height:1;color:var(--lime)}
.fig span{display:block;margin-top:.7rem;font-size:var(--t-sm);color:var(--muted-dark);max-width:34ch;line-height:1.45}

/* ============================================================
   Clientes
   ============================================================ */
.clients{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:0;
  border-top:1px solid var(--rule);border-left:1px solid var(--rule)}
.client{
  border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);
  aspect-ratio:5/3;display:grid;place-items:center;padding:1.3rem;background:rgba(255,255,255,.45);
  transition:background .3s var(--ease);
}
.client:hover{background:#fff}
.client img{max-height:56px;width:auto;max-width:100%;object-fit:contain;
  filter:grayscale(1) contrast(1.12) brightness(.86) opacity(.86);
  transition:filter .35s var(--ease),transform .35s var(--ease)}
.client:hover img{filter:none;transform:scale(1.05)}
.client .nm{font-size:var(--t-sm);font-weight:700;font-variation-settings:'wdth' 92;
  letter-spacing:.01em;color:rgba(20,33,27,.6);text-align:center;line-height:1.2}

/* ============================================================
   Contato — carimbo / title block
   ============================================================ */
.block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:0;
  border:1px solid var(--rule-dark);background:rgba(255,255,255,.025)}
@media (max-width:900px){.block{grid-template-columns:1fr}}
.block__id{padding:clamp(1.6rem,3.4vw,2.6rem);border-right:1px solid var(--rule-dark)}
@media (max-width:900px){.block__id{border-right:0;border-bottom:1px solid var(--rule-dark)}}
.block__form{padding:clamp(1.6rem,3.4vw,2.6rem)}
.idrow{display:grid;grid-template-columns:auto 1fr;gap:.6rem 1.2rem;padding-block:.72rem;
  border-bottom:1px solid var(--rule-dark);align-items:baseline}
.idrow:last-child{border-bottom:0}
.idrow dt{font-size:.68rem;font-weight:700;font-variation-settings:'wdth' 78;letter-spacing:.11em;
  text-transform:uppercase;color:var(--muted-dark);white-space:nowrap}
.idrow dd{margin:0;font-size:var(--t-base);font-weight:500;line-height:1.4}
.idrow dd a{border-bottom:1px solid rgba(186,211,55,.4);transition:border-color .22s,color .22s}
.idrow dd a:hover{color:var(--lime);border-bottom-color:var(--lime)}

.field{margin-bottom:1rem}
.field label{display:block;font-size:.68rem;font-weight:700;font-variation-settings:'wdth' 78;
  letter-spacing:.11em;text-transform:uppercase;color:var(--muted-dark);margin-bottom:.42rem}
.field input,.field textarea,.field select{
  width:100%;padding:.72rem .85rem;background:rgba(255,255,255,.05);
  border:1px solid var(--rule-dark);border-radius:2px;color:var(--vellum);
  transition:border-color .22s var(--ease),background .22s var(--ease)}
.field textarea{resize:vertical;min-height:104px}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--lime);background:rgba(255,255,255,.08);outline:none}
.field select option{background:var(--forest-deep)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
@media (max-width:560px){.two{grid-template-columns:1fr}}
.formnote{font-size:var(--t-xs);color:var(--muted-dark);margin-top:.9rem;line-height:1.5}

/* ============================================================
   Footer
   ============================================================ */
.foot{background:var(--forest);color:var(--vellum);padding-block:clamp(2.4rem,5vw,3.6rem)}
.foot__top{display:flex;flex-wrap:wrap;gap:2rem;align-items:flex-start;justify-content:space-between}
.foot svg{width:128px;height:auto}
.foot .socials{display:flex;gap:.55rem}
.foot .socials a{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--rule-dark);
  border-radius:2px;transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease)}
.foot .socials a:hover{border-color:var(--lime);background:rgba(186,211,55,.12);transform:translateY(-2px)}
.foot .socials svg{width:18px;height:18px;fill:currentColor}
.foot__bot{margin-top:clamp(2rem,4vw,3rem);padding-top:1.2rem;border-top:1px solid var(--rule-dark);
  display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:space-between;
  font-size:var(--t-xs);color:var(--muted-dark)}

/* ============================================================
   Motion scaffolding — JS adds .is-in
   ============================================================ */
.rv{opacity:0}
.no-js .rv,.is-in{opacity:1}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1 !important;transform:none !important}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  /* a troca de fotos de Projetos continua, só sem zoom: o marcador dita o tempo e a foto funde devagar */
  .plate-card__ticks [aria-current] i{animation-duration:var(--dwell,5.5s) !important}
  .plate-card__reel img,.plate-card__titles b{transition-duration:1s !important}
  .plate-card:hover img{transform:none}
}

/* ============================================================
   Hero mark — drafting reveal
   ============================================================ */
.mk-ghosts path{stroke-linecap:round}
.plate__logo{overflow:visible}
.plate__ring{position:absolute;left:50%;top:50%;width:min(94%,430px);aspect-ratio:1;border-radius:50%;
  border:1px solid var(--rule);pointer-events:none;transform:translate(-50%,-50%)}
.plate__ring::after{content:"";position:absolute;inset:12%;border-radius:50%;border:1px dashed var(--rule-soft)}

/* ============================================================
   Isometric scenes
   ============================================================ */
.iso{width:100%;height:auto;overflow:visible}
.iso .gr{stroke:rgba(235,237,230,.11);stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.iso .ln{stroke:rgba(235,237,230,.36);stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.iso .hi{stroke:var(--green);stroke-width:1.4;fill:rgba(67,174,86,.10);vector-effect:non-scaling-stroke}
.iso .ac{stroke:var(--lime);stroke-width:1.6;fill:none;vector-effect:non-scaling-stroke}
.iso polyline{fill:none !important}

/* ============================================================
   Quem somos
   ============================================================ */
/* ============================================================
   Quem somos — painel de identidade sobre fotografia
   ============================================================ */
#quem-somos{position:relative;overflow:hidden;background:var(--forest-deep)}
.about__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.about__bg::before{
  content:"";position:absolute;inset:0;
  background:url("../img/quem-somos.jpg") 50% 38%/cover no-repeat;
}
.about__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(to bottom,rgba(9,18,13,.88) 0%,rgba(9,18,13,.6) 28%,rgba(9,18,13,.66) 60%,rgba(9,18,13,.92) 100%),
    linear-gradient(96deg,rgba(9,18,13,.5) 0%,rgba(9,18,13,.06) 48%,rgba(9,18,13,.45) 100%);
}
@media (max-width:760px){
  .about__bg::before{background-image:url("../img/quem-somos-sm.jpg")}
  .about__bg::after{background:linear-gradient(to bottom,rgba(9,18,13,.94),rgba(9,18,13,.88))}
}
#quem-somos .wrap{position:relative;z-index:1}

.about__intro{
  position:relative;max-width:60ch;margin:0 auto clamp(2.8rem,5.5vw,4.4rem);
  padding-top:clamp(1.6rem,3vw,2.4rem);text-align:center;
  font-size:clamp(1.2rem,1.85vw,1.66rem);line-height:1.44;font-weight:500;
  letter-spacing:-.018em;text-wrap:pretty;color:var(--vellum)}
.about__intro::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:44px;height:3px;background:var(--lime)}

.ident{border:1px solid var(--rule-dark);background:rgba(9,18,13,.42);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:2px}
.pillars{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.3fr) minmax(0,.86fr)}
@media (max-width:880px){.pillars{grid-template-columns:1fr}}
.pillar{
  padding:clamp(1.9rem,3.4vw,2.9rem) clamp(1.3rem,2.6vw,2.2rem);
  border-right:1px solid var(--rule-dark);text-align:center;
  transition:background .35s var(--ease)}
.pillar:last-child{border-right:0}
@media (max-width:880px){
  .pillar{border-right:0;border-bottom:1px solid var(--rule-dark)}
  .pillar:last-child{border-bottom:0}
}
.pillar:hover{background:rgba(186,211,55,.05)}
.pillar h3{font-size:var(--t-lg);font-variation-settings:'wdth' 104;letter-spacing:-.018em;
  margin-bottom:.85rem;color:var(--vellum)}
.pillar p{color:var(--muted-dark);max-width:40ch;margin-inline:auto;text-wrap:pretty;
  font-size:var(--t-base);line-height:1.55}

/* o pilar que cresce */
.col{width:44px;height:68px;display:block;margin:0 auto 1.2rem;overflow:visible}
.col *{transform-box:fill-box}
.col__base,.col__cap{fill:var(--lime);transform-origin:center}
.col__shaft{fill:var(--green);transform-origin:bottom center}
.col__flutes path{stroke:rgba(9,18,13,.5);stroke-width:1.4;fill:none;vector-effect:non-scaling-stroke}
.pillar:hover .col__shaft{fill:#57c065;transition:fill .35s var(--ease)}

.vstrip{
  border-top:1px solid var(--rule-dark);padding:clamp(1.4rem,2.8vw,2rem) clamp(1.3rem,3vw,2.4rem);
  background:rgba(9,18,13,.4);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:.8rem clamp(1rem,2.4vw,2rem)}
.vstrip h3{font-size:.7rem;font-weight:700;font-variation-settings:'wdth' 80;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted-dark);white-space:nowrap}
.vals{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem clamp(.9rem,2vw,1.7rem)}
.vals li{display:inline-flex;align-items:baseline;gap:.5rem;color:var(--vellum);
  font-size:var(--t-sm);font-weight:500;line-height:1.35;white-space:nowrap}
.vals li::before{content:"";width:5px;height:5px;background:var(--lime);flex:0 0 auto;
  transform:translateY(-.18em) rotate(45deg)}
@media (max-width:640px){
  .vstrip{flex-direction:column;align-items:flex-start;gap:.9rem}
  .vals{justify-content:flex-start;gap:.55rem;display:grid}
  .vals li{white-space:normal}
}

/* figures on a light ground */
.figs--centred .fig{text-align:center;padding-right:0;padding-inline:1rem}
.figs--centred .fig span{margin-inline:auto}
.figs--light{border-top-color:var(--rule)}
.figs--light .fig{border-right-color:var(--rule)}
@media (max-width:700px){.figs--light .fig{border-bottom-color:var(--rule)}}
.figs--light .fig b{color:var(--forest)}
.figs--light .fig span{color:var(--muted)}

/* ============================================================
   Small corrections
   ============================================================ */
.hero__text{min-width:0}
.seg__txt{min-width:0}

.disc li span{min-width:0}
.shead h2{flex:0 0 auto}
.block__form .btn{width:auto}
.client img{height:62px}
@media (max-width:560px){.client img{height:46px}.client{aspect-ratio:3/2;padding:.8rem}}
.tools{margin-top:1.15rem;font-size:var(--t-sm);font-weight:600;color:var(--muted);
  display:inline-flex;align-items:center;gap:.55rem}
.tools::before{content:"";width:16px;height:1.5px;background:var(--green);flex:0 0 auto}

/* ---- small screens ------------------------------------------------ */
@media (max-width:760px){
  .shead{display:grid;grid-template-columns:1fr;gap:.35rem;align-items:start}
  .shead .n{margin-bottom:0}
  .shead .meas{display:none}
  .shead h2{font-variation-settings:'wdth' 100;letter-spacing:-.02em}
  .hero{min-height:auto;padding-top:calc(var(--mh,72px) + clamp(2rem,7vh,3.5rem));
        padding-bottom:clamp(2.5rem,8vh,4rem)}
  .plate{padding:1.4rem 0 0}
  .route{display:none}
  .sheet-grid{background-size:36px 36px}
  .seg__art{aspect-ratio:16/11}
  .figs .fig{padding-right:0}
}
@media (max-width:480px){
  .lede{font-size:1.05rem}
  .svc h3{font-size:1.22rem}
  .seg h3{font-size:1.7rem}
}

/* ============================================================
   Hero com fotografia — duotone verde da marca
   ============================================================ */
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden;background:var(--forest-deep)}
.hero__bg::before{
  content:"";position:absolute;inset:0;
  background-image:image-set(url("../img/hero-obra.jpg") 1x);
  background-image:url("../img/hero-obra.jpg");
  background-position:62% 42%;background-size:cover;background-repeat:no-repeat;
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(102deg,rgba(9,18,13,.88) 0%,rgba(9,18,13,.7) 34%,rgba(9,18,13,.3) 64%,rgba(9,18,13,.5) 100%),
    linear-gradient(to bottom,rgba(9,18,13,.55) 0%,rgba(9,18,13,.06) 26%,rgba(9,18,13,.16) 64%,rgba(26,44,35,.88) 100%);
}
@media (max-width:760px){
  .hero__bg::before{background-image:url("../img/hero-obra-sm.jpg");background-position:58% 40%}
  .hero__bg::after{background:
    linear-gradient(to bottom,rgba(9,18,13,.9) 0%,rgba(9,18,13,.78) 42%,rgba(9,18,13,.86) 100%)}
}
.hero__sub{color:rgba(235,237,230,.82)}
.hero .mk.m-t,.hero .mk.m-zd,.hero .mk.m-b{fill:var(--vellum)}
.hero .mk-ghosts{stroke:var(--lime)}

/* masthead transparente enquanto estiver sobre o hero */
.brand{position:relative}
.brand__light{position:absolute;inset:0;width:100%;height:auto}
.brand__dark,.brand__light{transition:opacity .3s var(--ease)}
.masthead:not(.is-stuck):not(.is-menu){background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
.masthead:not(.is-stuck):not(.is-menu) .brand__dark{opacity:0}
.masthead.is-stuck .brand__light,.masthead.is-menu .brand__light{opacity:0}
.masthead:not(.is-stuck):not(.is-menu) .nav a{color:rgba(235,237,230,.8)}
.masthead:not(.is-stuck):not(.is-menu) .nav a:hover,
.masthead:not(.is-stuck):not(.is-menu) .nav a[aria-current="true"]{color:var(--vellum)}
.masthead:not(.is-stuck):not(.is-menu) .lang{border-color:rgba(235,237,230,.3)}
.masthead:not(.is-stuck):not(.is-menu) .lang button{color:rgba(235,237,230,.62)}
.masthead:not(.is-stuck):not(.is-menu) .lang button[aria-pressed="true"]{background:var(--vellum);color:var(--ink)}
.masthead:not(.is-stuck):not(.is-menu) .burger{border-color:rgba(235,237,230,.32)}
.masthead:not(.is-stuck):not(.is-menu) .burger span{background:var(--vellum)}

/* ============================================================
   Mapa da matriz
   ============================================================ */
.mapa{position:relative;margin-top:clamp(1.4rem,3vw,2.2rem);
  border:1px solid var(--rule-dark);border-radius:2px;overflow:hidden;background:rgba(9,18,13,.4)}
.mapa iframe{display:block;width:100%;height:clamp(260px,34vw,380px);border:0;
  filter:grayscale(.82) contrast(1.06) brightness(.82) sepia(.16) hue-rotate(62deg) saturate(1.5);
  transition:filter .45s var(--ease)}
.mapa:hover iframe{filter:grayscale(0) contrast(1) brightness(1) sepia(0) hue-rotate(0deg) saturate(1)}
.mapa__link{position:absolute;right:.9rem;bottom:.9rem;z-index:2;
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.62rem 1rem;background:var(--forest-deep);color:var(--vellum);
  border:1px solid var(--rule-dark);border-radius:2px;
  font-size:var(--t-xs);font-weight:700;font-variation-settings:'wdth' 88;
  letter-spacing:.06em;text-transform:uppercase;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .2s var(--ease)}
.mapa__link:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.mapa__link .dot{background:var(--lime)}
@media (prefers-reduced-motion:reduce){.mapa iframe{transition:none}}

/* ============================================================
   Véu verde progressivo — adensa conforme a página desce
   ============================================================ */
.veil{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;
  background:linear-gradient(to bottom,#16281F 0%,#0E1A14 100%);
  will-change:opacity;
}
@media (prefers-reduced-motion:reduce){
  .veil{opacity:.28 !important}
}