/* ═══════════════════════════════════════════════════════════
   SURIA GRID
   Aesthetic: aerial-survey engineering brightness
   Gabarito / Golos Text / Sometype Mono
   ═══════════════════════════════════════════════════════════ */

:root{
  --day:#F7F7F4;
  --day-2:#EEEFEA;
  --white:#FDFDFB;
  --slate:#2E3438;
  --slate-2:#576065;
  --slate-3:#828B8F;
  --line:#DDDFD8;
  --line-2:#E9EAE4;
  --copper:#B5652F;
  --copper-soft:#F0DCCB;
  --lime:#8FB80D;
  --lime-hi:#A8D414;
  --night:#232A2E;

  --f-display:"Gabarito",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,sans-serif;
  --f-mono:"Sometype Mono",ui-monospace,monospace;

  --s--1:clamp(.76rem,.73rem + .12vw,.83rem);
  --s-0:clamp(1rem,.96rem + .2vw,1.08rem);
  --s-1:clamp(1.1rem,1.02rem + .38vw,1.3rem);
  --s-2:clamp(1.32rem,1.14rem + .8vw,1.85rem);
  --s-3:clamp(1.75rem,1.36rem + 1.75vw,2.95rem);
  --s-4:clamp(2.1rem,1.5rem + 2.6vw,3.6rem);

  --gut:clamp(1.25rem,4.5vw,3.25rem);
  --ease:cubic-bezier(.22,.68,.24,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html:focus-within{scroll-behavior:smooth}
body{
  margin:0;background:var(--day);color:var(--slate);
  font-family:var(--f-body);font-size:var(--s-0);line-height:1.66;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
/* height:auto is load-bearing — every <img> carries width/height attributes for
   CLS, and without it a `width:100%` rule leaves the height attribute in force
   and the picture is stretched vertically to its intrinsic pixel height. */
img,canvas,svg{display:block;max-width:100%;height:auto}
h1,h2,h3{margin:0;font-family:var(--f-display);font-weight:700;line-height:1.08;
  letter-spacing:-.02em;text-wrap:balance}
p{margin:0;text-wrap:pretty}
ul,ol,dl{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
::selection{background:var(--lime-hi);color:var(--slate)}
:where(a,button,summary):focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-9999px;z-index:200;background:var(--slate);color:#fff;padding:.8rem 1.2rem}
.skip:focus{left:.5rem;top:.5rem}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

.wrap{width:100%;max-width:1240px;margin-inline:auto;padding-inline:var(--gut)}
.wrap--narrow{max-width:820px}
.eyebrow{font-family:var(--f-mono);font-size:var(--s--1);letter-spacing:.13em;
  text-transform:uppercase;color:var(--slate-3)}
.h2{font-size:var(--s-3)}
.head{margin-bottom:clamp(2.2rem,4.5vw,3.6rem);max-width:64ch}
.head .h2{margin-block:.7rem .9rem}
.sub{color:var(--slate-2);font-size:var(--s-1);max-width:58ch}
.sect{padding-block:clamp(4.5rem,9vw,8rem);scroll-margin-top:5rem}
.sect--tint{background:var(--day-2)}

/* ═══ HEADER ═══════════════════════════════════════════ */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;gap:1.5rem;padding:.95rem var(--gut);
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease)}
.hdr.is-stuck{background:rgba(247,247,244,.9);backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:0 1px 0 var(--line);padding-block:.6rem}
.mark{display:flex;align-items:center;gap:.6rem;flex:none}
.mark__ic{display:grid;gap:2px;width:22px}
.mark__ic i{display:block;height:4px;border-radius:1px;background:var(--slate)}
.mark__ic i:nth-child(2){background:var(--copper)}
.mark__ic i:nth-child(3){background:var(--lime)}
.mark__w{font-family:var(--f-display);font-weight:800;font-size:1.02rem;letter-spacing:.03em}
.mark__w em{font-style:normal;font-weight:500;color:var(--slate-3);margin-left:.28em}
.nav{display:flex;gap:1.25rem;margin-left:auto;font-size:.87rem;font-weight:500}
.nav a{color:var(--slate-2);position:relative;padding:.3rem 0;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:.05rem;height:2px;
  background:var(--lime);transition:right .38s var(--ease)}
.nav a:hover{color:var(--slate)}
.nav a:hover::after{right:0}
.burger{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:46px;padding:.8rem 1.4rem;background:var(--slate);color:var(--white);
  font-family:var(--f-display);font-weight:600;font-size:.92rem;
  border:2px solid var(--slate);border-radius:3px;white-space:nowrap;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.btn:hover{background:var(--lime-hi);border-color:var(--lime-hi);color:var(--slate)}
.btn--sm{min-height:38px;padding:.5rem 1rem;font-size:.82rem;border-width:1.5px;flex:none}
.btn--full{width:100%;margin-top:1.3rem}

/* ═══ THE SURVEY ═══════════════════════════════════════ */
.survey{height:300svh;position:relative;background:var(--day)}
.survey__pin{position:sticky;top:0;height:100svh;overflow:hidden}
.js .survey__cv{position:absolute;inset:0;width:100%;height:100%}
.no-js .survey__cv{width:100%;height:60svh}
.survey__ui{position:absolute;inset:0;display:flex;flex-direction:column;
  justify-content:center;pointer-events:none;padding:5.5rem var(--gut) 0}
.survey__panel{
  position:relative;pointer-events:auto;
  width:min(30rem,100%);
  background:rgba(247,247,244,.95);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-left:3px solid var(--copper);
  padding:clamp(1.4rem,3vw,2rem);border-radius:2px;
}
.survey__panel > .eyebrow{display:block;margin-bottom:1rem}
.survey__panel .cap{position:absolute;opacity:0;pointer-events:none;
  transition:opacity .45s var(--ease),transform .55s var(--ease-out);
  transform:translateY(10px)}
.survey__panel .cap.is-on{position:static;opacity:1;transform:none;pointer-events:auto}
.survey__h{font-size:var(--s-4);margin-bottom:.9rem}
.survey__h em{font-style:normal;color:var(--copper)}
.survey__panel .cap p{color:var(--slate-2)}
.survey__panel .btn{margin-top:1.5rem}

.ticker{
  position:absolute;left:0;right:0;bottom:0;pointer-events:none;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);background:rgba(247,247,244,.88);
  backdrop-filter:blur(8px);
}
.ticker div{padding:.85rem var(--gut);border-right:1px solid var(--line-2)}
.ticker div:last-child{border-right:0}
.ticker dt{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--slate-3)}
.ticker dd{margin:.2rem 0 0;font-family:var(--f-display);font-weight:800;
  font-size:clamp(1.15rem,.9rem + .9vw,1.7rem);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--slate)}
.ticker dd i{font-style:normal;font-family:var(--f-mono);font-weight:400;
  font-size:.56em;color:var(--slate-3);margin-left:.25em}

/* ═══ SCOPE ════════════════════════════════════════════ */
.scope{display:grid;gap:0;counter-reset:s}
.scope li{display:grid;grid-template-columns:auto 1fr;gap:1.4rem;
  padding:1.5rem 0;border-top:1px solid var(--line);align-items:start;
  transition:background .3s var(--ease)}
.scope li:last-child{border-bottom:1px solid var(--line)}
.scope li:hover{background:var(--white)}
.scope span{font-family:var(--f-mono);font-size:.74rem;color:var(--copper);padding-top:.35rem;
  grid-column:1;grid-row:1/span 2}
.scope h3{font-size:var(--s-1);margin-bottom:.4rem;grid-column:2}
.scope p{color:var(--slate-2);max-width:64ch;grid-column:2}

/* ═══ COMPARISON TABLE ═════════════════════════════════ */
.tblwrap{overflow-x:auto;border:1px solid var(--line);background:var(--white);border-radius:2px}
.cmp{min-width:44rem;font-size:.92rem}
.cmp th,.cmp td{text-align:left;padding:1rem;vertical-align:top;border-bottom:1px solid var(--line-2)}
.cmp thead th{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--slate-3);font-weight:400;
  border-bottom:2px solid var(--slate);white-space:nowrap}
.cmp tbody th{font-family:var(--f-display);font-weight:700;font-size:1rem;
  color:var(--slate);white-space:nowrap}
.cmp td{color:var(--slate-2)}
.cmp td b{font-family:var(--f-mono);font-size:.78rem;font-weight:500;
  padding:.15rem .45rem;border-radius:2px;background:var(--day-2);color:var(--slate)}
.cmp tbody tr:hover{background:var(--day)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp__note{margin-top:1.4rem;font-size:.94rem;color:var(--slate-2);max-width:70ch;
  padding-left:1rem;border-left:3px solid var(--lime)}

/* ═══ CHART ════════════════════════════════════════════ */
.chart{margin:0;border:1px solid var(--line);background:var(--white);border-radius:2px;
  padding:clamp(1.2rem,2.5vw,1.8rem)}
.chart__cap{display:flex;flex-wrap:wrap;gap:.8rem 1.6rem;align-items:baseline;
  justify-content:space-between;margin-bottom:1.2rem}
.chart__t{font-family:var(--f-display);font-weight:600;font-size:var(--s-1)}
.chart__key{display:flex;flex-wrap:wrap;gap:1rem;font-family:var(--f-mono);
  font-size:.68rem;letter-spacing:.06em;color:var(--slate-2)}
.chart__key li{display:flex;align-items:center;gap:.4rem}
.chart__key i{width:14px;height:3px;border-radius:2px;display:block}
.k-copper{background:var(--copper)}.k-ink{background:var(--slate)}.k-lime{background:var(--lime-hi)}
.chart__box{overflow-x:auto}
#payback{width:100%;min-width:34rem;height:auto}
.chart__src{margin-top:.9rem;font-family:var(--f-mono);font-size:.66rem;color:var(--slate-3)}
.assume{display:grid;gap:0;margin-top:2.4rem;border-top:1px solid var(--line)}
.assume div{display:flex;flex-wrap:wrap;gap:.2rem 1.5rem;justify-content:space-between;
  align-items:baseline;padding:.72rem 0;border-bottom:1px solid var(--line-2)}
.assume dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--slate-3)}
.assume dd{margin:0;font-size:.94rem;font-weight:500}

/* ═══ GANTT ════════════════════════════════════════════ */
.sect--dark{background:var(--night);color:#C3CACD}
.sect--dark .h2{color:var(--white)}
.sect--dark .eyebrow{color:#8B9599}
.sect--dark .sub{color:#A5AFB3}
.gantt{display:grid;gap:.55rem}
.gantt li{display:grid;grid-template-columns:1fr;gap:.2rem;
  padding:.85rem 0;border-bottom:1px solid #394247}
.gantt__n{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;color:var(--lime-hi)}
.gantt h3{font-size:var(--s-1);color:var(--white)}
.gantt i{display:block;height:8px;border-radius:2px;background:var(--copper);
  margin-top:.45rem;
  margin-left:calc(var(--s) / 22 * 100%);
  width:calc(var(--l) / 22 * 100%);
  transform-origin:left;transform:scaleX(0);
  transition:transform .8s var(--ease-out) .1s}
.gantt li.is-visible i,.js .gantt li i{transform:scaleX(1)}
.gantt i.is-long{background:var(--slate-3)}
.gantt i.is-end{background:var(--lime-hi)}
.gantt__note{margin-top:2rem;padding-left:1rem;border-left:3px solid var(--lime-hi);
  color:#A5AFB3;font-size:.94rem;max-width:66ch}

/* ═══ WORK ═════════════════════════════════════════════ */
.work{display:grid;gap:clamp(2rem,4vw,3.5rem);max-width:1240px;margin-inline:auto;
  padding:clamp(4.5rem,9vw,8rem) var(--gut)}
.work__fig{margin:0;position:relative}
.work__fig img{width:100%;height:auto;border-radius:2px}
.work__fig figcaption,.kit__fig figcaption{position:absolute;left:.9rem;bottom:.9rem;
  font-family:var(--f-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(253,253,251,.92);color:var(--slate-2);padding:.35rem .6rem;border-radius:2px}
.work__txt > p{color:var(--slate-2);margin-top:1.1rem;max-width:52ch}
.proj{margin-top:1.9rem;border-top:1px solid var(--line)}
.proj li{display:flex;flex-wrap:wrap;gap:.15rem .9rem;align-items:baseline;
  padding:.72rem 0;border-bottom:1px solid var(--line-2)}
.proj b{font-weight:600;font-size:.95rem}
.proj span{color:var(--slate-3);font-size:.86rem}
.proj em{font-style:normal;margin-left:auto;font-family:var(--f-mono);font-size:.82rem;
  color:var(--copper);font-variant-numeric:tabular-nums}
.proj__foot{margin-top:1.1rem;font-size:.9rem;color:var(--slate-2)}
.proj__foot b{font-family:var(--f-mono);color:var(--slate)}

/* ═══ EQUIPMENT ════════════════════════════════════════ */
.kit{padding-block:clamp(4.5rem,9vw,8rem);background:var(--day-2);border-block:1px solid var(--line)}
.kit__grid{display:grid;gap:clamp(2rem,4vw,3.5rem)}
.kit > .wrap > div > p{color:var(--slate-2);margin-top:1.1rem;max-width:52ch}
.spec{margin-top:2rem;border-top:1px solid var(--line)}
.spec div{padding:.95rem 0;border-bottom:1px solid var(--line-2)}
.spec dt{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate-3);margin-bottom:.3rem}
.spec dd{margin:0;color:var(--slate-2);font-size:.94rem}
.kit__fig{margin:0;position:relative}
.kit__fig img{width:100%;height:auto;border-radius:2px}

/* ═══ FAQ ══════════════════════════════════════════════ */
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:1.1rem 2.5rem 1.1rem 0;position:relative;
  font-family:var(--f-display);font-weight:600;font-size:var(--s-1);
  transition:color .3s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.4rem;top:50%;
  transform:translateY(-50%);font-family:var(--f-mono);font-size:1.2rem;color:var(--slate-3);
  transition:transform .35s var(--ease),color .3s var(--ease)}
.faq details[open] summary{color:var(--copper)}
.faq details[open] summary::after{transform:translateY(-50%) rotate(135deg);color:var(--copper)}
.faq p{padding:0 2.5rem 1.3rem 0;color:var(--slate-2);max-width:66ch}

/* ═══ CTA ══════════════════════════════════════════════ */
.cta{padding-block:clamp(4.5rem,9vw,8rem);background:var(--day)}
.cta__grid{display:grid;gap:2.6rem}
.cta > .wrap > div > p{color:var(--slate-2);margin-top:1.1rem;max-width:48ch}
.cta__pts{margin-top:1.7rem;display:grid;gap:.55rem}
.cta__pts li{position:relative;padding-left:1.5rem;color:var(--slate-2);font-size:.94rem}
.cta__pts li::before{content:"";position:absolute;left:0;top:.6em;width:9px;height:9px;
  background:var(--lime-hi);border-radius:1px}
.ccard{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--copper);
  padding:clamp(1.4rem,3vw,1.9rem);border-radius:2px}
.ccard__k{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--slate-3)}
.ccard__big{display:block;font-family:var(--f-display);font-weight:800;
  font-size:clamp(1.55rem,1.2rem + 1.4vw,2.1rem);letter-spacing:-.025em;margin:.45rem 0 .25rem}
.ccard__big:hover{color:var(--copper)}
.ccard__mail{color:var(--slate-2);font-size:.92rem;border-bottom:1px solid var(--line)}
.ccard__mail:hover{color:var(--copper);border-color:var(--copper)}
.ccard hr{border:0;border-top:1px solid var(--line-2);margin:1.2rem 0}
.ccard address{font-style:normal;color:var(--slate-2);font-size:.92rem;line-height:1.75}
.ccard__hrs{margin-top:1rem;font-size:.86rem;color:var(--slate-2);line-height:1.85}
.ccard__hrs b{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--slate-3);display:block;margin-top:.5rem}

/* ═══ FOOTER ═══════════════════════════════════════════ */
.ftr{background:var(--night);color:#98A2A6;padding-block:3rem 2.4rem}
.ftr__grid{display:grid;gap:1.8rem}
.mark__w--ftr{color:var(--white);font-size:1.15rem}
.mark__w--ftr em{color:#7C878B}
.ftr__tag{margin-top:.5rem;font-size:.86rem}
.ftr__nav{display:flex;flex-wrap:wrap;gap:1.2rem;font-size:.88rem}
.ftr__nav a:hover{color:var(--lime-hi)}
.ftr__fine{font-family:var(--f-mono);font-size:.64rem;line-height:1.95;color:#6C7679}

/* ═══ REVEAL ═══════════════════════════════════════════ */
.reveal{opacity:0;transform:translateY(15px)}
.js .reveal.is-visible{opacity:1;transform:none;
  transition:opacity .85s var(--ease-out),transform .85s var(--ease-out)}
.no-js .reveal{opacity:1;transform:none}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .js .reveal{opacity:1;transform:none;animation:rise linear both;
      animation-timeline:view();animation-range:entry 3% cover 20%}
    .js .reveal.is-visible{transition:none}
  }
}
@keyframes rise{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:none}}

/* ═══ RESPONSIVE ═══════════════════════════════════════ */
@media (min-width:900px){
  /* Both two-ups let the picture fill its column instead of floating at its
     own intrinsic ratio, so the image edge and the text block finish level.
     min-height keeps the crop generous if the prose column is ever short. */
  .work{grid-template-columns:1.05fr .95fr;align-items:stretch}
  .work__fig{height:100%;min-height:clamp(24rem,34vw,32rem)}
  .work__fig img{height:100%;object-fit:cover;object-position:center}
  .kit__grid{grid-template-columns:1fr .72fr;align-items:stretch}
  .kit__fig{height:100%;min-height:clamp(24rem,34vw,32rem)}
  .kit__fig img{height:100%;object-fit:cover;object-position:center}
  .cta__grid{grid-template-columns:1fr .8fr;align-items:start;gap:3.5rem}
  .ftr__grid{grid-template-columns:1fr auto;align-items:end}
  .ftr__fine{grid-column:1/-1;padding-top:1.6rem;border-top:1px solid #394247}
  .scope li{grid-template-columns:5rem 1fr}
  .gantt li{grid-template-columns:9rem 1fr;gap:.2rem 1.4rem;align-items:baseline}
  .gantt li i{grid-column:2}
  .assume{grid-template-columns:1fr 1fr;column-gap:3rem}
}
@media (max-width:899px){
  .survey{height:260svh}
  .survey__ui{padding-top:4.5rem;justify-content:flex-start}
  .survey__panel{width:100%;margin-top:1rem}
  .survey__h{font-size:clamp(1.7rem,1.2rem + 2.6vw,2.4rem)}
  .ticker{grid-template-columns:repeat(2,1fr)}
  .ticker div{padding:.6rem var(--gut);border-bottom:1px solid var(--line-2)}
  .ticker dd{font-size:1.1rem}
  .nav{position:fixed;inset:0;background:var(--night);flex-direction:column;
    justify-content:center;align-items:flex-start;gap:.2rem;padding:2rem var(--gut);margin:0;
    font-family:var(--f-display);font-weight:700;font-size:1.65rem;
    clip-path:inset(0 0 100% 0);transition:clip-path .55s var(--ease)}
  .nav.is-open{clip-path:inset(0 0 0 0)}
  .nav a{padding:.5rem 0;color:var(--white)}
  .nav a::after{display:none}
  .burger{display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;margin-left:auto;background:none;border:0;cursor:pointer;
    padding:0;z-index:70;position:relative}
  .burger span{display:block;width:22px;height:2px;background:var(--slate);margin-inline:auto;
    transition:transform .35s var(--ease),background .35s var(--ease)}
  .burger.is-open span{background:var(--white)}
  .burger.is-open span:first-child{transform:translateY(3.5px) rotate(45deg)}
  .burger.is-open span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .hdr .btn--sm{display:none}
  .proj em{margin-left:0}
}

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