/* ==========================================================================
   VRCAD — site styles
   Palette is taken directly from the application's ImGui theme
   (src/app/main_app.cpp): WindowBg 0.09/0.10/0.13, ChildBg 0.11/0.12/0.15,
   Header 0.20/0.28/0.42, TabActive 0.24/0.36/0.56, accent 0.16/0.72/0.85.
   ========================================================================== */

/* ---------- tokens ---------- */
:root{
  /* surfaces — deepest to raised */
  --bg:        #0B0E14;
  --bg-2:      #10141C;
  --surface:   #171A21;   /* app WindowBg  */
  --panel:     #1C1F26;   /* app ChildBg   */
  --panel-2:   #1F242E;   /* app MenuBarBg */
  --raised:    #262E3D;   /* app Tab       */

  /* blues */
  --blue-deep: #1B2740;
  --blue:      #33476B;   /* app Header       */
  --blue-mid:  #3D5C8F;   /* app TabActive    */
  --blue-lit:  #425C8A;   /* app HeaderHovered*/
  --blue-pale: #8FA6F0;

  /* accent */
  --cyan:      #29B8D9;   /* app accent  */
  --cyan-lit:  #4FD3F0;
  --cyan-dim:  rgba(41,184,217,.55);

  /* text */
  --text:      #E7EBF3;
  --text-2:    #AEB8CC;
  --muted:     #8590A6;
  --faint:     #626C80;

  /* lines & shadow */
  --line:      rgba(255,255,255,.075);
  --line-2:    rgba(255,255,255,.13);
  --shadow:    0 18px 50px -18px rgba(0,0,0,.75);
  --shadow-lg: 0 34px 80px -28px rgba(0,0,0,.85);

  --radius:    14px;
  --radius-sm: 9px;

  --wrap:      1180px;
  --ease:      cubic-bezier(.22,.68,.32,1);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display", "Segoe UI",
          Inter, Roboto, system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:84px; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg,canvas{ display:block; max-width:100%; }
h1,h2,h3,h4{ margin:0; line-height:1.15; letter-spacing:-.022em; font-weight:650; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }

::selection{ background:rgba(41,184,217,.32); color:#fff; }

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--cyan); color:#04121a; padding:.7rem 1.1rem;
  border-radius:0 0 var(--radius-sm) 0; font-weight:650;
}
.skip-link:focus{ left:0; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:24px; }

/* ---------- reveal ---------- */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .75s var(--ease), transform .75s var(--ease);
  will-change:opacity, transform;
}
.reveal.is-in{ opacity:1; transform:none; }
.reveal--delay{ transition-delay:.13s; }

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  --btn-bg:transparent;
  display:inline-flex; align-items:center; justify-content:center; gap:.6rem;
  padding:.72rem 1.25rem;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  font-weight:600; font-size:.95rem; letter-spacing:-.005em;
  cursor:pointer; white-space:nowrap;
  transition:transform .2s var(--ease), box-shadow .25s var(--ease),
             background .25s var(--ease), border-color .25s var(--ease);
}
.btn__icon{ width:18px; height:18px; flex:none; }

.btn--primary{
  background:linear-gradient(180deg, var(--cyan-lit), var(--cyan));
  color:#04141b;
  box-shadow:0 10px 26px -10px rgba(41,184,217,.65), inset 0 1px 0 rgba(255,255,255,.28);
}
.btn--primary:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 38px -12px rgba(41,184,217,.8), inset 0 1px 0 rgba(255,255,255,.32);
}
.btn--primary:active{ transform:translateY(0); }

.btn--ghost{
  background:rgba(255,255,255,.035);
  border-color:var(--line-2);
  color:var(--text);
  backdrop-filter:blur(6px);
}
.btn--ghost:hover{
  background:rgba(61,92,143,.28);
  border-color:rgba(41,184,217,.45);
  transform:translateY(-2px);
}

.btn--lg{ padding:.95rem 1.7rem; font-size:1rem; }
.btn--sm{ padding:.52rem 1rem; font-size:.88rem; }
.btn--block{ width:100%; }

/* ==========================================================================
   Nav
   ========================================================================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .35s var(--ease), border-color .35s var(--ease),
             backdrop-filter .35s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(11,14,20,.82);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--line);
}
.nav__inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}

.brand{ display:flex; align-items:center; gap:.62rem; flex:none; }

/* The logo is solid navy on transparency. Against the near-black chrome that
   is barely 1.5:1, so it sits on a light tile — the mark keeps its exact
   brand colour and becomes legible. */
.brand__mark{
  width:34px; height:34px;
  padding:5px;
  background:#F4F7FD;
  border-radius:9px;
  box-shadow:0 1px 0 rgba(255,255,255,.35) inset, 0 2px 8px -2px rgba(0,0,0,.55);
  object-fit:contain;
}
.brand__text{
  font-weight:700; font-size:1.16rem; letter-spacing:.13em;
}

.nav__links{ display:flex; align-items:center; gap:.35rem; }
.nav__links > a:not(.btn){
  padding:.5rem .85rem;
  font-size:.94rem; font-weight:500; color:var(--text-2);
  border-radius:var(--radius-sm);
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav__links > a:not(.btn):hover{ color:var(--text); background:rgba(255,255,255,.05); }
.nav__links .btn{ margin-left:.6rem; }

.nav__toggle{
  display:none;
  width:42px; height:42px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);
  border-radius:var(--radius-sm);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav__toggle span{
  display:block; width:17px; height:1.6px; margin:3px auto;
  background:var(--text); border-radius:2px;
  transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(4.6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-4.6px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  padding:150px 0 84px;
  overflow:hidden;
  background:
    radial-gradient(120% 82% at 50% -12%, rgba(61,92,143,.30), transparent 62%),
    linear-gradient(180deg, #0D1220 0%, var(--bg) 62%);
}
.hero__glow{
  position:absolute; z-index:0;
  top:-24%; left:50%; transform:translateX(-50%);
  width:min(1150px, 122vw); aspect-ratio:1.5;
  background:radial-gradient(closest-side, rgba(41,184,217,.16), transparent 72%);
  filter:blur(26px);
  pointer-events:none;
}
.hero__grid-bg{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(143,166,240,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143,166,240,.055) 1px, transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(96% 62% at 50% 26%, #000 22%, transparent 76%);
  -webkit-mask-image:radial-gradient(96% 62% at 50% 26%, #000 22%, transparent 76%);
}
.hero__inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:minmax(0,1.06fr) minmax(0,1.06fr);
  gap:52px; align-items:center;
}

.eyebrow{
  display:inline-flex; align-items:center; gap:.55rem;
  padding:.42rem .9rem .42rem .68rem;
  background:rgba(61,92,143,.20);
  border:1px solid rgba(143,166,240,.22);
  border-radius:100px;
  font-size:.79rem; font-weight:550; letter-spacing:.02em;
  color:#C4CEE4;
}
.eyebrow__dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(41,184,217,.20);
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{ box-shadow:0 0 0 3px rgba(41,184,217,.20); }
  50%    { box-shadow:0 0 0 6px rgba(41,184,217,.04); }
}

.hero__title{
  margin:1.4rem 0 0;
  font-size:clamp(2.2rem, 4.3vw, 3.5rem);
  font-weight:680;
  letter-spacing:-.035em;
  line-height:1.08;
  text-wrap:balance;
}
.grad{
  background:linear-gradient(96deg, var(--blue-pale) 4%, var(--cyan-lit) 58%, var(--cyan) 96%);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.hero__sub{
  margin-top:1.35rem;
  max-width:53ch;
  font-size:1.075rem;
  color:var(--text-2);
  line-height:1.68;
}
.hero__cta{ display:flex; flex-wrap:wrap; gap:.85rem; margin-top:2.15rem; }

.hero__chips{
  display:flex; flex-wrap:wrap; gap:1.4rem;
  margin-top:1.9rem;
  font-size:.86rem; color:var(--muted);
}
.hero__chips li{ display:flex; align-items:center; gap:.5rem; }
.hero__chips li::before{
  content:""; width:16px; height:16px; flex:none;
  border-radius:50%;
  border:1px solid rgba(41,184,217,.42);
  background-color:rgba(41,184,217,.13);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.6 6.2 4.9 8.5 9.4 3.9' fill='none' stroke='%234FD3F0' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:center; background-size:11px 11px;
}

/* ---------- app window mock ---------- */
.appwin{
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:var(--surface);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
  transform:perspective(1900px) rotateY(-3.4deg) rotateX(1.6deg);
  transition:transform .8s var(--ease);
}
.appwin:hover{ transform:perspective(1900px) rotateY(-1deg) rotateX(.4deg); }

.appwin__bar{
  display:flex; align-items:center; gap:.75rem;
  padding:.55rem .85rem;
  background:linear-gradient(180deg, var(--panel-2), #1A1E27);
  border-bottom:1px solid var(--line);
  font-size:.74rem;
}
.appwin__dot{
  width:9px; height:9px; border-radius:50%; flex:none;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(41,184,217,.65);
}
.appwin__title{ color:var(--text-2); font-weight:550; white-space:nowrap; }
.appwin__menu{
  display:flex; gap:.85rem; margin-left:auto; color:var(--faint);
  min-width:0; overflow:hidden;
}
.appwin__menu span{ white-space:nowrap; }

.appwin__body{
  position:relative;
  aspect-ratio:16/10;
  background:radial-gradient(88% 78% at 50% 44%, #131A28 0%, #0A0D14 78%);
}
.appwin__canvas{ width:100%; height:100%; display:block; }

.appwin__hud{ position:absolute; display:flex; gap:.4rem; z-index:2; }
.appwin__hud--tl{ top:12px; left:12px; }
.appwin__hud--tr{ top:12px; right:12px; flex-direction:column; align-items:flex-end; }
.appwin__hud--bl{ bottom:12px; left:12px; }

.hud-pill{
  padding:.24rem .62rem;
  background:rgba(28,31,38,.82);
  border:1px solid var(--line-2);
  border-radius:6px;
  font-size:.68rem; font-weight:600; letter-spacing:.04em;
  color:var(--text-2);
  backdrop-filter:blur(6px);
}
.hud-pill--warn{ color:#E8B44C; border-color:rgba(232,180,76,.42); }
.hud-pill--live{ display:flex; align-items:center; gap:.42rem; color:#9FE8C0; }
.hud-pill--live i{
  width:6px; height:6px; border-radius:50%; background:#4ADE80;
  box-shadow:0 0 8px rgba(74,222,128,.8);
}
.hud-stat{
  padding:.24rem .62rem;
  background:rgba(28,31,38,.72);
  border:1px solid var(--line);
  border-radius:6px;
  font-family:var(--mono); font-size:.67rem;
  color:var(--muted);
  backdrop-filter:blur(6px);
}
.hud-stat b{ color:var(--cyan-lit); font-weight:600; }

.appwin__status{
  display:flex; align-items:center; gap:.55rem;
  padding:.5rem .9rem;
  background:var(--panel);
  border-top:1px solid var(--line);
  font-family:var(--mono); font-size:.7rem; color:var(--muted);
}
.dot{ width:7px; height:7px; border-radius:50%; flex:none; }
.dot--ok{ background:#4ADE80; box-shadow:0 0 8px rgba(74,222,128,.7); }

/* ---------- stat strip ---------- */
.stats{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:84px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.stats li{
  display:flex; flex-direction:column; gap:.22rem;
  padding:1.5rem 1.6rem;
  background:linear-gradient(180deg, rgba(28,31,38,.9), rgba(16,20,28,.9));
}
.stats b{
  font-size:1.65rem; font-weight:670; letter-spacing:-.03em;
  background:linear-gradient(180deg, #fff, #A8BEE8);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.stats span{ font-size:.84rem; color:var(--muted); line-height:1.45; }

/* ==========================================================================
   Sections
   ========================================================================== */
.section{ padding:112px 0; position:relative; }
.section--alt{
  background:
    linear-gradient(180deg, transparent, rgba(27,39,64,.30) 22%, rgba(27,39,64,.30) 78%, transparent),
    var(--bg-2);
  border-block:1px solid var(--line);
}

.section__head{ max-width:660px; margin-bottom:60px; }
.kicker{
  display:inline-block;
  font-size:.76rem; font-weight:700; letter-spacing:.17em; text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:1rem;
}
.section__head h2{
  font-size:clamp(1.85rem, 3.4vw, 2.65rem);
  letter-spacing:-.032em;
  line-height:1.13;
}
.section__head p{
  margin-top:1.15rem;
  font-size:1.045rem; color:var(--text-2); line-height:1.68;
}

/* ---------- capability cards ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(290px,1fr));
  gap:20px;
}
.card{
  position:relative;
  padding:1.85rem 1.7rem;
  background:linear-gradient(168deg, rgba(31,36,46,.85), rgba(20,24,32,.85));
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .35s var(--ease), border-color .35s var(--ease),
             box-shadow .35s var(--ease);
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute; inset:0 0 auto 0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(41,184,217,.55), transparent);
  opacity:0; transition:opacity .35s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(143,166,240,.26);
  box-shadow:var(--shadow);
}
.card:hover::after{ opacity:1; }

.card__icon{
  width:44px; height:44px;
  display:grid; place-items:center;
  margin-bottom:1.25rem;
  border-radius:11px;
  background:linear-gradient(150deg, rgba(61,92,143,.45), rgba(41,184,217,.14));
  border:1px solid rgba(143,166,240,.22);
  color:var(--cyan-lit);
}
.card__icon svg{ width:22px; height:22px; }
.card h3{ font-size:1.11rem; margin-bottom:.6rem; letter-spacing:-.018em; }
.card p{ font-size:.925rem; color:var(--text-2); line-height:1.66; }

/* ---------- spotlight ---------- */
.spotlight{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);
  gap:56px; align-items:center;
  margin-top:82px;
  padding:44px;
  background:linear-gradient(150deg, rgba(27,39,64,.62), rgba(16,20,28,.72));
  border:1px solid var(--line);
  border-radius:calc(var(--radius) + 4px);
}
.spotlight h3{
  font-size:clamp(1.35rem, 2.3vw, 1.75rem);
  margin-top:.15rem; letter-spacing:-.028em; line-height:1.2;
}
.spotlight p{ margin-top:1rem; color:var(--text-2); font-size:.98rem; }

.ticks{ margin-top:1.6rem; display:grid; gap:.72rem; }
.ticks li{
  display:flex; align-items:flex-start; gap:.7rem;
  font-size:.93rem; color:var(--text-2);
}
.ticks li::before{
  content:"";
  width:17px; height:17px; margin-top:.24rem; flex:none;
  border-radius:50%;
  background:
    linear-gradient(currentColor,currentColor) center/8px 1.7px no-repeat,
    rgba(41,184,217,.13);
  border:1px solid rgba(41,184,217,.45);
  color:var(--cyan-lit);
  transform:rotate(0deg);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.6 6.2 4.9 8.5 9.4 3.9' fill='none' stroke='%234FD3F0' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:center; background-size:12px 12px;
  background-color:rgba(41,184,217,.13);
}
.ticks--wide{ margin-top:2rem; }

.spotlight__shots{ position:relative; display:grid; gap:16px; }
.shot{
  margin:0;
  border:1px solid var(--line-2);
  border-radius:var(--radius-sm);
  background:var(--panel);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .4s var(--ease);
}
.shot:hover{ transform:translateY(-3px); }
.shot img{ width:100%; height:auto; display:block; }
.shot figcaption{
  padding:.55rem .8rem;
  border-top:1px solid var(--line);
  font-family:var(--mono); font-size:.68rem; color:var(--muted);
  background:var(--panel-2);
}

/* ==========================================================================
   Gallery — real application screenshots
   ========================================================================== */
/* Featured animation. The model is cut out on transparency, so it needs a
   light stage behind it rather than the page's near-black. */
.gfeature{
  margin:0 0 26px;
  background:linear-gradient(168deg, rgba(31,36,46,.8), rgba(17,21,29,.8));
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.gfeature__stage{
  background:radial-gradient(120% 140% at 50% 0%, #FFFFFF 0%, #EEF2F9 70%, #E2E8F3 100%);
  border-bottom:1px solid var(--line);
  display:grid; place-items:center;
  padding:10px;
}
/* The <picture> is the grid item, so it needs the width cap — sizing only
   the <img> leaves it at its intrinsic 480px. Capped at 640 because the
   source is 480 wide and upscaling further just softens it. */
.gfeature__stage picture{ display:block; width:100%; max-width:640px; }
.gfeature__stage img{ width:100%; height:auto; }
.gfeature figcaption{
  padding:1.25rem 1.5rem 1.45rem;
  display:flex; flex-direction:column; gap:.45rem;
}
.gfeature figcaption b{ font-size:1.08rem; font-weight:640; letter-spacing:-.018em; }
.gfeature figcaption span{ font-size:.92rem; color:var(--text-2); line-height:1.65; max-width:70ch; }

.gallery{
  display:grid;
  /* min(430px, 100%) — a bare 430px floor forces a track wider than the
     viewport on a narrow phone and pushes the page sideways. */
  grid-template-columns:repeat(auto-fit, minmax(min(430px, 100%), 1fr));
  gap:26px;
}

.gshot{
  margin:0;
  display:flex; flex-direction:column;
  background:linear-gradient(168deg, rgba(31,36,46,.8), rgba(17,21,29,.8));
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .35s var(--ease), border-color .35s var(--ease),
             box-shadow .35s var(--ease);
}
.gshot:hover{
  transform:translateY(-4px);
  border-color:rgba(143,166,240,.3);
  box-shadow:var(--shadow);
}

/* the image itself is the button, so the whole frame is clickable */
.gshot__view{
  position:relative; display:block; width:100%; padding:0;
  background:#0A0D14;
  border:none; border-bottom:1px solid var(--line);
  cursor:zoom-in;
  line-height:0;
}
.gshot__view img{
  width:100%; height:auto; display:block;
  transition:opacity .3s var(--ease);
}
.gshot__view:hover img{ opacity:.82; }

.gshot__zoom{
  position:absolute; right:12px; bottom:12px;
  width:36px; height:36px;
  display:grid; place-items:center;
  border-radius:9px;
  background:rgba(11,14,20,.78);
  border:1px solid var(--line-2);
  color:var(--cyan-lit);
  backdrop-filter:blur(6px);
  opacity:0; transform:translateY(4px);
  transition:opacity .28s var(--ease), transform .28s var(--ease);
}
.gshot__zoom svg{ width:18px; height:18px; }
.gshot__view:hover .gshot__zoom,
.gshot__view:focus-visible .gshot__zoom{ opacity:1; transform:none; }

.gshot figcaption{
  padding:1.25rem 1.4rem 1.45rem;
  display:flex; flex-direction:column; gap:.45rem;
}
.gshot figcaption b{ font-size:1.05rem; font-weight:640; letter-spacing:-.018em; }
.gshot figcaption span{ font-size:.9rem; color:var(--text-2); line-height:1.65; }

/* ---------------------------------------------------------- lightbox -- */
.lightbox{
  width:min(1600px, calc(100vw - 40px));
  max-height:calc(100vh - 40px);
  padding:0;
  background:transparent;
  border:none;
  overflow:visible;
}
.lightbox::backdrop{ background:rgba(4,6,10,.9); backdrop-filter:blur(6px); }

.lightbox__img{
  width:100%; height:auto;
  max-height:calc(100vh - 130px);
  object-fit:contain;
  display:block;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:#0A0D14;
  box-shadow:var(--shadow-lg);
}
.lightbox__caption{
  margin-top:.9rem; text-align:center;
  font-size:.9rem; color:var(--text-2);
}
.lightbox__close{
  position:absolute; top:-14px; right:-14px; z-index:2;
  width:40px; height:40px;
  background:var(--panel-2);
  border:1px solid var(--line-2);
  border-radius:50%;
  color:var(--text); font-size:1.4rem; line-height:1;
  cursor:pointer;
  transition:all .22s var(--ease);
}
.lightbox__close:hover{ color:var(--cyan-lit); border-color:rgba(41,184,217,.5); }

@media (max-width:560px){
  .lightbox{ width:calc(100vw - 20px); }
  .lightbox__close{ top:-10px; right:-6px; width:34px; height:34px; font-size:1.2rem; }
}

/* ==========================================================================
   Portfolio
   ========================================================================== */
.filters{ display:flex; flex-wrap:wrap; gap:.55rem; margin-bottom:34px; }
.filter{
  padding:.5rem 1.05rem;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:100px;
  font-size:.875rem; font-weight:550; color:var(--text-2);
  cursor:pointer;
  transition:all .25s var(--ease);
}
.filter:hover{ color:var(--text); border-color:var(--line-2); background:rgba(255,255,255,.06); }
.filter.is-active{
  background:linear-gradient(180deg, rgba(41,184,217,.20), rgba(41,184,217,.10));
  border-color:rgba(41,184,217,.5);
  color:var(--cyan-lit);
}

.works{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(320px,1fr));
  gap:22px;
}
.work{
  display:flex; flex-direction:column;
  background:linear-gradient(168deg, rgba(31,36,46,.8), rgba(18,22,30,.8));
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .35s var(--ease), border-color .35s var(--ease),
             box-shadow .35s var(--ease), opacity .3s var(--ease);
}
.work:hover{
  transform:translateY(-5px);
  border-color:rgba(143,166,240,.28);
  box-shadow:var(--shadow);
}
.work.is-hidden{ display:none; }

.work__img{ width:100%; aspect-ratio:16/10; object-fit:cover; }

/* generated artwork — each card is a real point-cloud scene, drawn once */
.work__art{
  display:block;
  width:100%;
  aspect-ratio:16/10;
  background:radial-gradient(82% 74% at 50% 42%, #131C31 0%, #090C13 84%);
  border-bottom:1px solid var(--line);
}

.work__body{ padding:1.5rem 1.6rem 1.7rem; display:flex; flex-direction:column; flex:1; }
.work__tag{
  align-self:flex-start;
  padding:.2rem .6rem;
  margin-bottom:.85rem;
  background:rgba(61,92,143,.32);
  border:1px solid rgba(143,166,240,.24);
  border-radius:5px;
  font-size:.7rem; font-weight:650; letter-spacing:.07em; text-transform:uppercase;
  color:#BFCCE8;
}
.work h3{ font-size:1.13rem; letter-spacing:-.02em; margin-bottom:.55rem; }
.work p{ font-size:.91rem; color:var(--text-2); line-height:1.64; flex:1; }
.work__meta{
  display:flex; flex-wrap:wrap; gap:.4rem;
  margin-top:1.15rem; padding-top:1.1rem;
  border-top:1px solid var(--line);
}
.work__meta li{
  padding:.2rem .55rem;
  background:rgba(255,255,255,.045);
  border-radius:5px;
  font-family:var(--mono); font-size:.68rem; color:var(--muted);
}

.works__note{
  margin-top:36px; text-align:center;
  font-size:.95rem; color:var(--muted);
}
.works__note a{ color:var(--cyan-lit); font-weight:600; border-bottom:1px solid rgba(79,211,240,.35); }
.works__note a:hover{ border-bottom-color:var(--cyan-lit); }

/* ==========================================================================
   Download
   ========================================================================== */
.dl{
  display:grid; grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line-2);
  border-radius:calc(var(--radius) + 4px);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.dl__main{
  display:flex; gap:1.6rem;
  padding:2.6rem 2.5rem;
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(41,184,217,.11), transparent 56%),
    linear-gradient(160deg, rgba(31,36,46,.96), rgba(16,20,28,.96));
}
.dl__badge{
  width:58px; height:58px; flex:none;
  display:grid; place-items:center;
  border-radius:13px;
  background:linear-gradient(150deg, rgba(61,92,143,.55), rgba(41,184,217,.16));
  border:1px solid rgba(143,166,240,.26);
  color:#CBD8F5;
}
.dl__badge svg{ width:28px; height:28px; }

.dl__info{ min-width:0; flex:1; }
.dl__info h3{ font-size:1.42rem; letter-spacing:-.026em; }
.dl__ver{ margin-top:.4rem; font-size:.9rem; color:var(--muted); }
.dl__ver b{ color:var(--text); font-weight:650; }
.dl__btn{ margin-top:1.5rem; max-width:100%; }
.dl__btn span{ overflow:hidden; text-overflow:ellipsis; }

.hash{
  display:flex; align-items:center; gap:.7rem; flex-wrap:wrap;
  margin-top:1.35rem; padding:.7rem .85rem;
  background:rgba(0,0,0,.32);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
}
.hash__label{
  font-size:.68rem; font-weight:700; letter-spacing:.11em; text-transform:uppercase;
  color:var(--faint); flex:none;
}
.hash code{
  font-family:var(--mono); font-size:.72rem; color:var(--text-2);
  word-break:break-all; flex:1; min-width:0;
}
.hash__copy{
  flex:none;
  padding:.3rem .7rem;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-2);
  border-radius:6px;
  font-size:.75rem; font-weight:600; color:var(--text-2);
  cursor:pointer;
  transition:all .2s var(--ease);
}
.hash__copy:hover{ color:var(--cyan-lit); border-color:rgba(41,184,217,.45); }
.hash__copy.is-done{ color:#4ADE80; border-color:rgba(74,222,128,.45); }

.dl__warn{
  display:flex; align-items:flex-start; gap:.7rem;
  margin-top:1rem; padding:.85rem 1rem;
  background:rgba(232,180,76,.06);
  border:1px solid rgba(232,180,76,.24);
  border-radius:var(--radius-sm);
  font-size:.83rem; line-height:1.6; color:var(--text-2);
}
.dl__warn svg{ width:19px; height:19px; flex:none; margin-top:.12rem; color:#E8B44C; }
.dl__warn b{ color:var(--text); font-weight:620; white-space:nowrap; }

.dl__side{
  padding:2.6rem 2.2rem;
  background:linear-gradient(160deg, rgba(27,39,64,.5), rgba(14,18,25,.9));
}
.dl__side h4{ font-size:.78rem; letter-spacing:.15em; text-transform:uppercase; color:var(--cyan); }
.reqs{ margin-top:1.25rem; display:grid; gap:.9rem; }
.reqs li{ display:grid; grid-template-columns:62px 1fr; gap:.7rem; align-items:baseline; }
.reqs b{
  font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--faint);
}
.reqs span{ font-size:.9rem; color:var(--text-2); }
.reqs i{ color:var(--faint); font-style:normal; }
.reqs code{ font-family:var(--mono); font-size:.82rem; color:var(--blue-pale); }
.note{
  margin-top:1.5rem; padding-top:1.3rem;
  border-top:1px solid var(--line);
  font-size:.83rem; color:var(--muted); line-height:1.62;
}
.note b{ color:var(--text-2); font-weight:600; }

.dl__extras{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(250px,1fr));
  gap:20px; margin-top:22px;
}
.extra{
  padding:1.5rem 1.55rem;
  background:rgba(28,31,38,.55);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.extra h4{ font-size:1rem; letter-spacing:-.015em; margin-bottom:.5rem; }
.extra p{ font-size:.895rem; color:var(--text-2); line-height:1.63; }
.extra b{ color:var(--text); font-weight:600; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:64px; align-items:start;
}
.contact__copy h2{
  font-size:clamp(1.85rem, 3.4vw, 2.65rem);
  letter-spacing:-.032em;
}
.contact__copy > p{ margin-top:1.15rem; font-size:1.045rem; color:var(--text-2); }

.mailcard{
  display:flex; align-items:center; gap:1rem;
  margin-top:2rem; padding:1.15rem 1.3rem;
  background:linear-gradient(150deg, rgba(41,184,217,.10), rgba(31,36,46,.85));
  border:1px solid rgba(143,166,240,.22);
  border-radius:var(--radius);
  transition:all .3s var(--ease);
}
.mailcard:hover{
  border-color:rgba(41,184,217,.5);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}
.mailcard__icon{
  width:44px; height:44px; flex:none;
  display:grid; place-items:center;
  border-radius:11px;
  background:rgba(41,184,217,.13);
  border:1px solid rgba(41,184,217,.3);
  color:var(--cyan-lit);
}
.mailcard__icon svg{ width:22px; height:22px; }
.mailcard__text{ display:flex; flex-direction:column; min-width:0; }
.mailcard__text b{ font-size:1.02rem; font-weight:620; letter-spacing:-.012em; word-break:break-all; }
.mailcard__text span{ font-size:.83rem; color:var(--muted); }

.contact__form{
  padding:2.1rem 2rem;
  background:linear-gradient(168deg, rgba(31,36,46,.9), rgba(16,20,28,.92));
  border:1px solid var(--line-2);
  border-radius:calc(var(--radius) + 4px);
  box-shadow:var(--shadow);
}
.field{ margin-bottom:1.1rem; }
.field label{
  display:block; margin-bottom:.42rem;
  font-size:.79rem; font-weight:650; letter-spacing:.05em; text-transform:uppercase;
  color:var(--muted);
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:.78rem .95rem;
  background:rgba(0,0,0,.30);
  border:1px solid var(--line-2);
  border-radius:var(--radius-sm);
  font-size:.95rem;
  transition:border-color .22s var(--ease), background .22s var(--ease),
             box-shadow .22s var(--ease);
}
.field textarea{ resize:vertical; min-height:120px; line-height:1.6; }
.field input::placeholder,
.field textarea::placeholder{ color:var(--faint); }
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:rgba(41,184,217,.6);
  background:rgba(0,0,0,.44);
  box-shadow:0 0 0 3px rgba(41,184,217,.13);
}
.field input.is-bad,
.field textarea.is-bad{ border-color:rgba(239,110,110,.65); }

.field select{
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%238590A6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right .9rem center;
  background-size:13px;
  padding-right:2.4rem;
  cursor:pointer;
}
.field select option{ background:var(--panel); color:var(--text); }

.form__note{
  margin-top:.95rem; text-align:center;
  font-size:.82rem; color:var(--faint);
}
.form__note.is-bad{ color:#EF8080; }
.form__note.is-ok{ color:#7EE0A5; }

/* ==========================================================================
   Footer
   ========================================================================== */
.foot{
  padding:52px 0 44px;
  border-top:1px solid var(--line);
  background:var(--bg);
}
.foot__inner{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:24px;
}
.foot__brand{ display:flex; align-items:center; gap:.7rem; }
.foot__brand .brand__mark{ width:38px; height:38px; padding:6px; }
.foot__brand div{ display:flex; flex-direction:column; }
.foot__brand b{ font-size:1.02rem; font-weight:700; letter-spacing:.12em; }
.foot__brand span{ font-size:.8rem; color:var(--muted); }

.foot__links{ display:flex; flex-wrap:wrap; gap:1.5rem; font-size:.88rem; color:var(--text-2); }
.foot__links a{ transition:color .2s var(--ease); }
.foot__links a:hover{ color:var(--cyan-lit); }

.foot__legal{ width:100%; font-size:.8rem; color:var(--faint); padding-top:20px; border-top:1px solid var(--line); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1020px){
  /* minmax(0,1fr) — a bare 1fr floors at min-content, and the app-window
     menu bar would then push the whole column wider than the viewport. */
  .hero__inner{ grid-template-columns:minmax(0,1fr); gap:48px; }
  .hero__visual{ order:2; }
  .appwin{ transform:none; }
  .appwin:hover{ transform:none; }
  /* minmax(0,…) throughout: a bare 1fr floors at min-content, so a long
     filename or checksum inside pushes the track past the viewport. */
  .spotlight{ grid-template-columns:minmax(0,1fr); gap:36px; padding:32px; }
  .spotlight__shots{ grid-template-columns:minmax(0,1fr) minmax(0,1fr); }
  .dl{ grid-template-columns:minmax(0,1fr); }
  .contact{ grid-template-columns:minmax(0,1fr); gap:44px; }
  .stats{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:820px){
  .nav__toggle{ display:grid; }
  .nav__links{
    position:fixed; inset:72px 0 auto 0;
    flex-direction:column; align-items:stretch; gap:.2rem;
    padding:1rem 24px 1.5rem;
    background:rgba(11,14,20,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);
    opacity:0; visibility:hidden; pointer-events:none;
    transition:opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  }
  .nav__links.is-open{
    opacity:1; visibility:visible; pointer-events:auto; transform:none;
  }
  .nav__links > a:not(.btn){ padding:.8rem .6rem; font-size:1rem; }
  .nav__links .btn{ margin:.6rem 0 0; }

  .hero{ padding:118px 0 64px; }
  .section{ padding:80px 0; }
  .section__head{ margin-bottom:44px; }
  .stats{ margin-top:56px; }
  .dl__main{ flex-direction:column; padding:2rem 1.6rem; gap:1.2rem; }
  .dl__side{ padding:2rem 1.6rem; }
  .contact__form{ padding:1.6rem 1.4rem; }
  .spotlight__shots{ grid-template-columns:minmax(0,1fr); }
}

@media (max-width:560px){
  .wrap{ padding-inline:18px; }
  .appwin__menu{ display:none; }
  .stats{ grid-template-columns:minmax(0,1fr); }
  .stats li{ padding:1.2rem 1.3rem; }
  .hero__cta{ flex-direction:column; align-items:stretch; }
  .hero__cta .btn{ width:100%; }
  .dl__btn{ font-size:.83rem; padding:.9rem 1rem; }
  .works{ grid-template-columns:minmax(0,1fr); }
  .foot__inner{ flex-direction:column; align-items:flex-start; }
}