/* Theme tokens: dark is the default look; light follows the OS unless the visitor picks one. */
:root{
  --bg:#050d1f;
  --bg-2:#081633;
  --surface:rgba(20,40,90,.35);
  --surface-solid:#0c1c3d;
  --line:rgba(120,160,255,.22);
  --text:#e8efff;
  --muted:#a9b9d9;
  --accent:#60a5fa;
  --accent-2:#22d3ee;
  --btn:#2563eb;
  --btn-hover:#1d4ed8;
  --btn-text:#fff;
  --hero-glow:radial-gradient(60rem 30rem at 80% 10%,rgba(37,99,235,.35),transparent 60%),radial-gradient(40rem 25rem at 5% 90%,rgba(34,211,238,.12),transparent 60%);
  --shadow:0 10px 40px rgba(0,0,0,.35);
  --max:70rem;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#ffffff;--bg-2:#eef4ff;--surface:#ffffff;--surface-solid:#ffffff;
    --line:#cfdcf2;--text:#0b1f3a;--muted:#43587a;--accent:#1d4ed8;--accent-2:#0e7490;
    --btn:#1d4ed8;--btn-hover:#1e40af;--btn-text:#fff;
    --hero-glow:radial-gradient(60rem 30rem at 80% 0%,rgba(59,130,246,.18),transparent 60%),radial-gradient(40rem 25rem at 0% 100%,rgba(34,211,238,.12),transparent 60%);
    --shadow:0 10px 30px rgba(20,50,110,.12);color-scheme:light;
  }
}
:root[data-theme="light"]{
  --bg:#ffffff;--bg-2:#eef4ff;--surface:#ffffff;--surface-solid:#ffffff;
  --line:#cfdcf2;--text:#0b1f3a;--muted:#43587a;--accent:#1d4ed8;--accent-2:#0e7490;
  --btn:#1d4ed8;--btn-hover:#1e40af;--btn-text:#fff;
  --hero-glow:radial-gradient(60rem 30rem at 80% 0%,rgba(59,130,246,.18),transparent 60%),radial-gradient(40rem 25rem at 0% 100%,rgba(34,211,238,.12),transparent 60%);
  --shadow:0 10px 30px rgba(20,50,110,.12);color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;font:1.0625rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.skip{position:absolute;left:-999px;top:0;background:var(--btn);color:#fff;padding:.75rem 1rem;z-index:30}
.skip:focus{left:0}

/* Header */
header.site{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{font-weight:700;font-size:1.15rem;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:.6rem}
.brand svg{width:1.9rem;height:1.9rem}
.navbar{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem 1.5rem}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.1rem 1.25rem}
nav a{color:var(--text);text-decoration:none;font-size:.95rem;padding:.45rem 0;display:inline-block}
nav a:hover{color:var(--accent);text-decoration:underline}
.theme-toggle{background:transparent;color:var(--text);border:1px solid var(--line);border-radius:999px;padding:.4rem .9rem;font:inherit;font-size:.9rem;cursor:pointer}
.theme-toggle:hover{border-color:var(--accent)}

/* Buttons */
.btn{display:inline-block;background:var(--btn);color:var(--btn-text);font-weight:600;text-decoration:none;padding:.8rem 1.5rem;border-radius:.6rem;border:1px solid transparent;box-shadow:0 0 24px rgba(37,99,235,.35)}
.btn:hover{background:var(--btn-hover)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--accent);background:var(--surface)}
.actions{display:flex;flex-wrap:wrap;gap:.75rem}

/* Hero */
.hero{background:var(--hero-glow);padding:4.5rem 0 4rem;overflow:hidden}
.hero .wrap{display:grid;gap:2.5rem;align-items:center}
@media(min-width:56rem){.hero .wrap{grid-template-columns:1.05fr 1fr}}
.eyebrow{color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;margin:0 0 .9rem}
.hero h1{font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.1;margin:0 0 1.25rem}
.hero h1 span{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);max-width:34rem;margin:0 0 2rem}
.hero-visual{width:100%;max-width:36rem;margin:0 auto;aspect-ratio:1/1}
.hero-visual canvas{display:none;width:100%;height:100%;touch-action:pan-y}
.hero-visual.live canvas{display:block}
.hero-visual.live .orbit{display:none}
.orbit{width:100%;height:auto;max-width:34rem;margin:0 auto}
.orbit text{fill:var(--text);font:600 14px system-ui,sans-serif}
.orbit .pill{fill:var(--surface-solid);fill-opacity:.82;stroke:var(--line);stroke-width:1}
.orbit .pdot{fill:var(--accent-2)}
.orbit .ring{transform-origin:240px 240px;animation:spin 70s linear infinite}
.orbit .ring.slow{animation-duration:110s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.orbit .ring{animation:none}}

/* Sections */
section{padding:4.5rem 0;border-top:1px solid var(--line)}
section.alt{background:color-mix(in srgb,var(--bg-2) 72%,transparent)}
.kicker{display:flex;gap:1rem;align-items:center;color:var(--muted);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 1.25rem}
.kicker b{color:var(--accent)}
.kicker::after{content:"";flex:1;height:1px;background:var(--line)}
h2{font-size:clamp(1.6rem,3.6vw,2.3rem);line-height:1.2;margin:0 0 1rem}
h2 em{font-style:normal;color:var(--accent)}
h3{font-size:1.1rem;margin:0 0 .4rem}
.lead{font-size:1.15rem;max-width:44rem;color:var(--muted)}
.split{display:grid;gap:2.5rem;align-items:center}
@media(min-width:56rem){.split{grid-template-columns:1fr 1fr}}
.grid{display:grid;gap:1.1rem;margin-top:2rem}
@media(min-width:48rem){.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:.9rem;padding:1.4rem;box-shadow:var(--shadow)}
.card p{margin:0;color:var(--muted)}
.card .num{display:inline-flex;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--btn);color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:.8rem}
ul.check{list-style:none;padding:0;margin:1.25rem 0 0}
ul.check li{padding-left:1.8rem;position:relative;margin:.6rem 0;color:var(--text)}
ul.check li::before{content:"";position:absolute;left:0;top:.55em;width:.9rem;height:.5rem;border-left:3px solid var(--accent-2);border-bottom:3px solid var(--accent-2);transform:rotate(-45deg)}
.note{border:1px solid var(--line);border-left:4px solid var(--accent-2);background:var(--surface);border-radius:.6rem;padding:1rem 1.25rem;margin-top:2rem;font-weight:600}
.visual{width:100%;height:auto;max-width:32rem;margin:0 auto;display:block}
.visual text{fill:var(--text);font:600 12px system-ui,sans-serif}
.visual .muted{fill:var(--muted);font-weight:500}
.about{max-width:46rem}
blockquote{margin:1.5rem 0 0;padding:0 0 0 1.25rem;border-left:4px solid var(--accent);color:var(--muted)}

/* Contact modal */
.btn{cursor:pointer;font:inherit;font-weight:600}
.btn.small{padding:.45rem 1rem;font-size:.9rem;box-shadow:none}
.modal{width:min(36rem,calc(100vw - 2rem));max-height:calc(100vh - 2rem);overflow:auto;padding:1.5rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface-solid);color:var(--text);box-shadow:0 20px 70px rgba(0,0,0,.55)}
.modal::backdrop{background:rgba(3,8,20,.7);backdrop-filter:blur(3px)}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}
.modal-head h2{font-size:1.4rem;margin:0 0 .5rem}
.modal-close{background:transparent;border:1px solid var(--line);color:var(--text);width:2.4rem;height:2.4rem;border-radius:50%;font-size:1.5rem;line-height:1;cursor:pointer;flex:none}
.modal-close:hover{border-color:var(--accent)}
.modal-intro{color:var(--muted);font-size:.95rem;margin:0 0 1.25rem}
.field{margin-bottom:1rem}
.field label{display:block;font-weight:600;font-size:.95rem;margin-bottom:.3rem}
.field .opt{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:.55rem;padding:.65rem .8rem}
.field textarea{resize:vertical;min-height:7rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--accent-2);outline-offset:1px;border-color:var(--accent)}
.field [aria-invalid="true"]{border-color:#f87171}
.err{color:#f87171;font-size:.88rem;margin:.3rem 0 0}
:root[data-theme="light"] .err{color:#b91c1c}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .err{color:#b91c1c}}
.modal-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.25rem}
.modal-status{min-height:1.5rem;color:var(--muted);font-size:.92rem;margin:.9rem 0 0}

/* Footer */
footer{background:var(--bg-2);border-top:1px solid var(--line);color:var(--muted);padding:2rem 0;font-size:.95rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem}
.page{padding:3.5rem 0 4rem;max-width:46rem}
.page h1{font-size:clamp(1.8rem,4vw,2.5rem);margin:0 0 1rem}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ===== Motion and polish ===== */
body{position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:-25%;z-index:-1;pointer-events:none;filter:blur(70px);
  background:
    radial-gradient(34rem 28rem at 15% 20%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 70%),
    radial-gradient(30rem 26rem at 85% 35%,color-mix(in srgb,var(--accent-2) 18%,transparent),transparent 70%),
    radial-gradient(36rem 30rem at 50% 90%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%);
  animation:aurora 28s ease-in-out infinite alternate}
@keyframes aurora{to{transform:translate3d(4%,-3%,0) rotate(6deg) scale(1.08)}}

.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--accent),var(--accent-2));z-index:40;pointer-events:none}

.hero{position:relative}
.hero::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:3.5rem 3.5rem;
  -webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 0%,transparent 70%);mask-image:radial-gradient(ellipse at 70% 40%,#000 0%,transparent 70%);
  animation:gridpan 40s linear infinite}
@keyframes gridpan{to{background-position:3.5rem 3.5rem}}
.hero .wrap{position:relative;z-index:1}

section{border-top:0;position:relative}
section::before{content:"";position:absolute;top:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.45}

.hero h1 span,h2 em,.page h1{background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent));background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradmove 7s linear infinite}
.page h1{display:inline-block}
@keyframes gradmove{to{background-position:200% 0}}
.kicker b{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;font-size:1.05rem}

.card{position:relative;overflow:hidden;backdrop-filter:blur(10px);transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .3s,box-shadow .3s}
.card::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--accent-2) 24%,transparent),transparent 65%)}
.card:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:0 18px 50px color-mix(in srgb,var(--accent) 22%,transparent)}
.card:hover::before{opacity:1}
.card > *{position:relative}
.card .num{animation:ping 2.6s ease-out infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--btn) 55%,transparent)}70%,100%{box-shadow:0 0 0 12px transparent}}

.btn{position:relative;overflow:hidden;transition:transform .2s,box-shadow .3s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px color-mix(in srgb,var(--btn) 50%,transparent)}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s}
.btn:hover::after{transform:translateX(120%)}
.btn.ghost::after{display:none}

ul.check li::before{transition:transform .3s}
ul.check li:hover::before{transform:rotate(-45deg) scale(1.25)}

.visual rect{animation:shimmer 3s ease-in-out infinite}
.visual rect:nth-of-type(even){animation-delay:.8s}
@keyframes shimmer{50%{opacity:.55}}

html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .75s ease,transform .75s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
html.js .reveal.in{opacity:1;transform:none}

dialog[open].modal{animation:pop .28s cubic-bezier(.2,.7,.2,1)}
dialog.modal[open]::backdrop{animation:fade .28s ease}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.97)}}
@keyframes fade{from{opacity:0}}

footer{position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent)}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js .reveal{opacity:1;transform:none}
}