/* ══ tokens ═══════════════════════════════════════════════ */
:root{
  --abyss:#041b26;
  --deep:#072f3e;
  --lagoon:#00e0c6;
  --flare:#ff5e3a;
  --solar:#ffc531;
  --chalk:#f2fbfa;
  --mist:#9fc4cc;
  --line:rgba(0,224,198,.2);

  --face:system-ui,-apple-system,"Segoe UI Variable","Segoe UI",Roboto,
         "Helvetica Neue",Arial,sans-serif;

  --pad:clamp(20px,5.2vw,80px);
  --gap:clamp(78px,11vh,148px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--abyss);
  color:var(--chalk);
  font:400 clamp(15.5px,1.05vw,17.5px)/1.6 var(--face);
  overflow-x:hidden;
}
h1,h2,h3,p,dl,dt,dd,ul,figure{margin:0}
ul{padding:0;list-style:none}
::selection{background:var(--flare);color:#fff}
:focus-visible{outline:2px solid var(--lagoon);outline-offset:4px;border-radius:2px}

/* ══ field layers ═════════════════════════════════════════ */
#flow{
  position:fixed;inset:0;z-index:0;
  width:100%;height:100%;
  pointer-events:none;
}
.veil{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(55% 45% at 88% 12%,rgba(0,224,198,.16),transparent 70%),
    radial-gradient(50% 45% at 78% 92%,rgba(255,94,58,.13),transparent 70%),
    radial-gradient(78% 58% at 10% 42%,rgba(4,27,38,.82),rgba(4,27,38,0) 72%),
    linear-gradient(180deg,rgba(4,27,38,.42),rgba(4,27,38,.06) 30%,rgba(4,27,38,.66));
}
.grain{
  position:fixed;inset:-40%;z-index:2;pointer-events:none;
  opacity:.32;mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:drift 7s steps(6,end) infinite;
}
@keyframes drift{
  0%,100%{transform:translate(0,0)}
  25%{transform:translate(-2%,3%)}
  50%{transform:translate(3%,-2%)}
  75%{transform:translate(-3%,-3%)}
}

/* ══ language ═════════════════════════════════════════════ */
.lang{
  position:fixed;top:0;right:0;z-index:20;
  display:flex;align-items:center;
  padding:clamp(16px,2.6vw,30px) var(--pad);
  gap:clamp(14px,2vw,26px);
}
.lang__opt{
  appearance:none;border:0;cursor:pointer;background:none;
  padding:6px 0;
  font:500 13px/1 var(--face);
  color:var(--mist);
  border-bottom:2px solid transparent;
  transition:color .3s ease,border-color .3s ease;
}
.lang__opt:hover{color:var(--chalk)}
.lang__opt.is-on{color:var(--lagoon);border-bottom-color:var(--lagoon)}
.lang__bar{display:none}

/* ══ hero ═════════════════════════════════════════════════ */
main{position:relative;z-index:3}

.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding:clamp(104px,15vh,170px) var(--pad) clamp(96px,14vh,150px);
}
.hero__grid{width:100%;max-width:1240px;margin:0 auto}
.hero__copy{max-width:min(940px,100%)}

.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:.8rem;letter-spacing:.01em;
  color:var(--lagoon);
  margin-bottom:clamp(16px,2.6vh,26px);
  animation:rise .9s .1s both cubic-bezier(.2,.8,.2,1);
}
.eyebrow::before{
  content:"";flex:0 0 auto;
  width:34px;height:2px;
  background:linear-gradient(90deg,var(--flare),var(--solar));
}

.mark{
  position:relative;
  text-shadow:0 8px 60px rgba(0,224,198,.22);
  font-size:clamp(2.9rem,11.4vw,8.4rem);
  font-weight:800;
  line-height:.95;
  letter-spacing:-.042em;
  margin-bottom:clamp(24px,3.6vh,40px);
  overflow:hidden;
}
.mark__ink{
  display:inline-block;
  background:linear-gradient(96deg,
    var(--chalk) 4%,var(--lagoon) 30%,var(--solar) 56%,var(--flare) 78%,var(--chalk) 100%);
  background-size:210% 100%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
  animation:sweep 14s ease-in-out infinite,unveil 1.15s .18s both cubic-bezier(.16,.9,.2,1);
}
@keyframes sweep{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
@keyframes unveil{from{clip-path:inset(0 100% 0 0);transform:translateY(.12em)}to{clip-path:inset(0 -6% 0 0);transform:none}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.lead{
  max-width:46ch;
  font-size:clamp(1.02rem,1.5vw,1.28rem);
  line-height:1.62;
  color:#d7ecef;
  animation:rise .9s .5s both cubic-bezier(.2,.8,.2,1);
}

.chips{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:clamp(26px,4vh,42px);
  animation:rise .9s .68s both cubic-bezier(.2,.8,.2,1);
}
.chips li{
  padding:8px 16px;
  font-size:.8rem;
  color:#cfe8ea;
  border:1px solid var(--line);
  border-radius:2px;
  background:rgba(7,47,62,.5);
  backdrop-filter:blur(6px);
}

.cue{
  position:absolute;
  left:var(--pad);bottom:clamp(20px,3.5vh,38px);
  font-size:.72rem;letter-spacing:.08em;
  color:#79a3ac;
  animation:rise .9s .9s both ease;
}
.cue span::after{
  content:"";display:block;
  width:34px;height:1px;margin-top:9px;
  background:linear-gradient(90deg,var(--lagoon),transparent);
  animation:push 2.4s ease-in-out infinite;
  transform-origin:left;
}
@keyframes push{0%,100%{transform:scaleX(.3);opacity:.4}50%{transform:scaleX(1);opacity:1}}

/* ══ rail + stacks ════════════════════════════════════════ */
.rail{
  position:relative;
  isolation:isolate;
  max-width:1240px;
  margin:0 auto;
  padding:0 var(--pad) clamp(48px,7vh,90px);
}
/* the wind stays visible below the hero, but pulled back behind the copy */
.rail::before{
  content:"";
  position:absolute;inset:-10vh -50vw 0;
  z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,
    rgba(4,27,38,0) 0%,rgba(4,27,38,.62) 9%,
    rgba(4,27,38,.68) 90%,rgba(4,27,38,.34) 100%);
}
.stack{padding-block:var(--gap)}

.h2{
  font-size:clamp(1.8rem,4.2vw,3.1rem);
  font-weight:800;
  letter-spacing:-.032em;
  line-height:1.06;
  max-width:22ch;
  margin-bottom:clamp(22px,3.4vh,38px);
}
.prose{display:grid;gap:1.05em;max-width:48ch;color:#c3dde1}

/* ── lift + aerofoil ── */
.stack--lift{display:grid;gap:clamp(38px,6vw,72px);align-items:center}
@media (min-width:940px){
  .stack--lift{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}
}
.foil svg{width:100%;height:auto;overflow:visible}
.foil__lines path{
  fill:none;
  stroke:rgba(0,224,198,.62);
  stroke-width:1.7;
  stroke-dasharray:300 80;
  animation:stream 5.4s linear infinite;
}
.foil__lines path:nth-child(2){stroke:rgba(255,197,49,.7);animation-duration:4.6s;animation-delay:-.9s}
.foil__lines path:nth-child(3){stroke:rgba(255,94,58,.62);animation-duration:6.1s;animation-delay:-2.1s}
.foil__lines path:nth-child(4){animation-duration:6.6s;animation-delay:-1.4s}
.foil__lines path:nth-child(5){stroke:rgba(255,197,49,.6);animation-duration:5.9s;animation-delay:-3s}
.foil__lines path:nth-child(6){stroke:rgba(255,94,58,.55);animation-duration:7.2s;animation-delay:-.4s}
@keyframes stream{from{stroke-dashoffset:380}to{stroke-dashoffset:0}}

.foil__wing{
  fill:rgba(4,27,38,.72);
  stroke:url(#skin);
  stroke-width:2;
  filter:drop-shadow(0 10px 34px rgba(0,224,198,.22));
}
/* ── laminar strata ── */
.strata{display:grid}
.stratum{
  position:relative;
  padding:clamp(20px,2.6vh,30px) 0 clamp(20px,2.6vh,30px) clamp(20px,2.4vw,34px);
  border-top:1px solid rgba(159,196,204,.16);
  background:rgba(4,27,38,.34);
  transition:transform .5s cubic-bezier(.2,.8,.2,1),background .4s ease;
}
.stratum:last-child{border-bottom:1px solid rgba(159,196,204,.16)}
.stratum::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--lagoon),rgba(0,224,198,0));
  transform:scaleY(.34);transform-origin:top;
  transition:transform .5s cubic-bezier(.2,.8,.2,1);
}
.stratum:nth-child(3n-1)::before{background:linear-gradient(180deg,var(--solar),rgba(255,197,49,0))}
.stratum:nth-child(3n)::before{background:linear-gradient(180deg,var(--flare),rgba(255,94,58,0))}
.stratum h3{
  font-size:clamp(1.08rem,1.7vw,1.32rem);
  font-weight:700;letter-spacing:-.014em;
  margin-bottom:7px;
}
.stratum p{color:#a9c8cd;font-size:.96rem;max-width:62ch}

@media (min-width:940px){
  .stratum{
    display:grid;
    grid-template-columns:minmax(0,.62fr) minmax(0,1fr);
    gap:clamp(24px,4vw,64px);
    align-items:baseline;
    margin-left:calc(var(--i) * 26px);
  }
  .stratum h3{margin-bottom:0}
  .stratum:hover{transform:translateX(14px);background:rgba(7,47,62,.42)}
  .stratum:hover::before{transform:scaleY(1)}
}

/* ── wind rose ── */
.stack--rose{display:grid;gap:clamp(34px,5vw,70px);align-items:center}
@media (min-width:940px){
  .stack--rose{grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr)}
}
.rose{max-width:340px;margin-inline:auto;width:100%}
.rose svg{width:100%;height:auto;overflow:visible}
.rose__disc{fill:none;stroke:rgba(159,196,204,.22);stroke-width:1}
.rose__disc--in{stroke:rgba(159,196,204,.13);stroke-dasharray:3 7}
.rose__ticks line{stroke:rgba(159,196,204,.4);stroke-width:1}
.rose__ticks line.is-major{stroke:var(--lagoon);stroke-width:1.6}
.rose__sweep{animation:orbit 9s linear infinite;transform-origin:0 0}
.rose__sweep path{fill:url(#sweepFade);opacity:.5}
.rose__needle{
  stroke:var(--flare);stroke-width:2;stroke-linecap:round;
  transform-origin:0 0;
  animation:orbit 9s linear infinite;
  filter:drop-shadow(0 0 8px rgba(255,94,58,.7));
}
.rose__hub{fill:var(--solar)}
@keyframes orbit{to{transform:rotate(360deg)}}

.bearings{display:grid;gap:1px;background:rgba(159,196,204,.16)}
@media (min-width:620px){.bearings{grid-template-columns:1fr 1fr}}
.bearing{
  padding:clamp(20px,2.2vw,28px);
  background:rgba(4,27,38,.62);
  backdrop-filter:blur(3px);
}
.bearing dt{font-weight:700;font-size:1.02rem;margin-bottom:8px}
.bearing dd{margin:0;color:#a9c8cd;font-size:.94rem}

/* ── contact slab: the one bright panel ── */
.stack--contact{padding-bottom:clamp(30px,5vh,60px)}
.slab{
  position:relative;
  background:var(--chalk);
  color:#062330;
  padding:clamp(28px,4.4vw,58px);
  border-radius:3px;
  box-shadow:0 30px 90px -30px rgba(0,224,198,.35);
  overflow:hidden;
}
.slab::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:5px;
  background:linear-gradient(90deg,var(--lagoon),var(--solar) 52%,var(--flare));
}
.slab__h{
  font-size:clamp(1.5rem,3.2vw,2.3rem);
  font-weight:800;letter-spacing:-.03em;
  margin-bottom:6px;
}
.slab__entity{
  font-weight:600;
  font-size:1.02rem;
  color:#0a5a63;
  margin-bottom:clamp(20px,3vw,32px);
}
.contact{
  display:grid;
  gap:1px;
  background:rgba(6,35,48,.14);
  border:1px solid rgba(6,35,48,.14);
}
@media (min-width:560px){.contact{grid-template-columns:1fr 1fr}}
@media (min-width:960px){.contact{grid-template-columns:repeat(3,1fr)}}
.contact__row{padding:clamp(14px,1.6vw,20px);background:var(--chalk)}
.contact dt{
  font-size:.72rem;letter-spacing:.04em;
  color:#5a7d84;margin-bottom:6px;
}
.contact dd{
  margin:0;font-size:1.02rem;font-weight:500;
  color:#062330;
  font-variant-numeric:tabular-nums;
  overflow-wrap:anywhere;
}

/* ══ foot ═════════════════════════════════════════════════ */
.foot{
  position:relative;z-index:3;
  padding:24px var(--pad) 30px;
  font-size:.76rem;
  color:#6c959e;
  border-top:1px solid rgba(159,196,204,.14);
  text-align:center;
}

/* ══ reveal + motion prefs ════════════════════════════════ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .85s ease,transform .85s cubic-bezier(.2,.75,.2,1)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .grain,.mark__ink,.eyebrow,.lead,.chips,.cue,.cue span::after,
  .foil__lines path,.rose__sweep,.rose__needle{animation:none!important}
  .mark__ink{clip-path:none}
  .reveal{opacity:1;transform:none;transition:none}
  .stratum{transition:none}
}