/* OpenProxy marketing site — dark, animated, responsive. No external deps. */

:root{
  --bg:#0a0e1a; --bg2:#0d1326; --panel:rgba(20,28,50,.55); --panel-brd:rgba(120,150,220,.16);
  --ink:#eaf0ff; --muted:#9fb0d4; --muted2:#6f7fa6;
  --accent:#5b8cff; --accent2:#6ee7ff; --violet:#a78bfa;
  --grad:linear-gradient(110deg,#5b8cff,#6ee7ff);
  --grad-soft:linear-gradient(110deg,rgba(91,140,255,.18),rgba(110,231,255,.18));
  --radius:18px; --radius-sm:12px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.6);
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.12;margin:0;font-weight:700;letter-spacing:-.02em}
p{margin:0}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- animated background ---------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(1200px 700px at 80% -10%,rgba(91,140,255,.10),transparent 60%),
  radial-gradient(900px 600px at 0% 100%,rgba(167,139,250,.10),transparent 60%),var(--bg)}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;mix-blend-mode:screen;animation:drift 22s ease-in-out infinite}
.a1{width:520px;height:520px;background:#3a6df0;top:-120px;left:-80px}
.a2{width:460px;height:460px;background:#6ee7ff;top:30%;right:-120px;animation-delay:-7s}
.a3{width:480px;height:480px;background:#a78bfa;bottom:-160px;left:30%;animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,20px) scale(.96)}}
.grid{position:absolute;inset:0;background-image:
  linear-gradient(rgba(120,150,220,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(120,150,220,.05) 1px,transparent 1px);
  background-size:48px 48px;mask:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;
  max-width:var(--maxw);margin:0 auto;padding:18px 24px;transition:padding .25s ease}
.nav.scrolled{padding:10px 24px}
.nav.scrolled::before{content:"";position:absolute;inset:0;background:rgba(10,14,26,.72);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--panel-brd);z-index:-1}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand-mark{animation:spin 18s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.brand.small{font-size:16px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--muted)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-cta{margin-left:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  padding:12px 20px;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .25s ease,background .25s,border-color .25s;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--grad);color:#06122e;box-shadow:0 10px 30px -8px rgba(91,140,255,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(110,231,255,.7)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--ink);border-color:var(--panel-brd)}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:17px}

/* ---------- hero ---------- */
.hero{max-width:var(--maxw);margin:0 auto;padding:60px 24px 30px;display:grid;
  grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent2);padding:6px 12px;border:1px solid var(--panel-brd);border-radius:999px;background:var(--grad-soft);margin-bottom:22px}
.hero h1{font-size:clamp(34px,5vw,58px)}
.lede{margin-top:20px;font-size:clamp(16px,1.5vw,19px);color:var(--muted);max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--muted2)}
.hero-art{position:relative}
.net{width:100%;height:auto;overflow:visible}
.nlabel{fill:var(--ink);font-size:12px;font-weight:600;text-anchor:middle;font-family:inherit}
.nlabel.big{font-size:26px}
.hop circle{transition:transform .3s}
.peer{animation:bob 6s ease-in-out infinite}
.peer:nth-child(2){animation-delay:-2s}.peer:nth-child(3){animation-delay:-4s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.art-caption{text-align:center;margin-top:8px;font-size:13px;color:var(--muted2)}

/* ---------- trustbar ---------- */
.trustbar{max-width:var(--maxw);margin:24px auto 0;padding:16px 24px;display:flex;flex-wrap:wrap;
  gap:14px 28px;justify-content:center;color:var(--muted);font-size:14px;font-weight:500;
  border-top:1px solid var(--panel-brd);border-bottom:1px solid var(--panel-brd)}

/* ---------- sections ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:90px 24px}
.section-head{text-align:center;max-width:680px;margin:0 auto 50px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent2);margin-bottom:14px}
.section-head h2{font-size:clamp(28px,3.4vw,40px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:17px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);padding:26px 22px;
  backdrop-filter:blur(8px);position:relative;overflow:hidden;transition:transform .25s,border-color .25s}
.step:hover{transform:translateY(-4px);border-color:rgba(110,231,255,.4)}
.step-n{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:700;
  background:var(--grad-soft);color:var(--accent2);border:1px solid var(--panel-brd);margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- feature cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);padding:28px;
  backdrop-filter:blur(8px);transition:transform .25s,border-color .25s,box-shadow .25s}
.card:hover{transform:translateY(-5px);border-color:rgba(110,231,255,.4);box-shadow:var(--shadow)}
.card-ic{font-size:30px;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* ---------- consent ---------- */
.consent{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  background:var(--panel);border:1px solid var(--panel-brd);border-radius:26px;padding:44px;backdrop-filter:blur(10px)}
.consent h2{font-size:clamp(26px,3vw,36px);margin-top:6px}
.consent p{color:var(--muted);margin-top:16px;font-size:16px}
.ticks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:32px;color:var(--ink);font-size:15.5px}
.ticks li::before{content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--grad-soft);border:1px solid rgba(110,231,255,.5)}
.ticks li::after{content:"✓";position:absolute;left:5px;top:1px;color:var(--accent2);font-size:13px;font-weight:700}
.fineprint{font-size:14px;color:var(--muted2)}
.fineprint a,.eula-ack a,.faq a{color:var(--accent2);border-bottom:1px solid rgba(110,231,255,.35)}
.consent-toggle{display:grid;place-items:center}
.toggle-card{width:100%;max-width:300px;background:linear-gradient(180deg,rgba(13,19,38,.9),rgba(13,19,38,.6));
  border:1px solid var(--panel-brd);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.toggle-row{display:flex;align-items:center;justify-content:space-between;font-weight:600}
.switch{width:52px;height:30px;border-radius:999px;background:#26304d;position:relative;cursor:pointer;transition:background .3s;border:1px solid var(--panel-brd)}
.switch .knob{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#cdd8f5;transition:transform .3s,background .3s}
.switch.on{background:linear-gradient(110deg,#2bd49b,#6ee7ff)}
.switch.on .knob{transform:translateX(22px);background:#04221a}
.toggle-state{margin-top:14px;font-size:13.5px;color:var(--muted)}
.toggle-hint{margin-top:10px;font-size:12px;color:var(--muted2);font-style:italic}

/* ---------- downloads ---------- */
.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dl-card{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);padding:30px 26px;
  text-align:center;backdrop-filter:blur(8px);transition:transform .25s,border-color .25s,box-shadow .25s;display:flex;flex-direction:column;align-items:center}
.dl-card.match{border-color:rgba(110,231,255,.55);box-shadow:0 0 0 1px rgba(110,231,255,.25),var(--shadow)}
.dl-card:hover{transform:translateY(-5px)}
.dl-ic{font-size:46px;line-height:1;margin-bottom:12px}
.dl-card[data-os=mac] .dl-ic::before{content:"🍎"}
.dl-card[data-os=windows] .dl-ic::before{content:"🪟"}
.dl-card[data-os=linux] .dl-ic::before{content:"🐧"}
.dl-card h3{font-size:21px}
.dl-card>p{color:var(--muted);font-size:14px;margin-top:6px;min-height:40px}
.dl-primary{margin-top:14px}
.dl-alt{margin-top:12px;font-size:13.5px;color:var(--accent2);cursor:pointer;background:none;border:none;font-family:inherit}
.dl-alt.muted-note{color:var(--muted2);cursor:default}
.linktoggle:hover{text-decoration:underline}
.linux-opts{margin-top:12px;display:grid;gap:8px;width:100%}
.linux-opts[hidden]{display:none}  /* attribute selector beats .linux-opts so [hidden] is honored */
.linux-opts a{font-size:13.5px;color:var(--muted);padding:8px 10px;border:1px solid var(--panel-brd);border-radius:10px;transition:background .2s,color .2s}
.linux-opts a:hover{background:rgba(255,255,255,.05);color:var(--ink)}
.eula-ack{text-align:center;margin:28px auto 0;color:var(--muted);font-size:14.5px;max-width:620px}
.unsigned-note{text-align:center;margin:14px auto 0;color:var(--muted2);font-size:13px;max-width:640px}
.badge-match{display:inline-block;margin-top:10px;font-size:12px;font-weight:600;color:var(--accent2)}

/* ---------- faq ---------- */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius-sm);padding:4px 20px;transition:border-color .2s}
.faq details[open]{border-color:rgba(110,231,255,.4)}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent2);font-size:22px;font-weight:400;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 0 18px;font-size:15px}

/* ---------- final cta ---------- */
.cta-final{text-align:center}
.cta-final h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:26px}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--panel-brd);margin-top:40px;background:rgba(8,11,21,.5)}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:48px 24px;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-tag{color:var(--muted);margin-top:12px;font-size:14px;max-width:280px}
.foot-links{display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:14.5px}
.foot-links a:hover{color:var(--ink)}
.foot-bottom{max-width:var(--maxw);margin:0 auto;padding:18px 24px;border-top:1px solid var(--panel-brd);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted2);font-size:13px}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:36px}
  .hero-art{order:-1;max-width:420px;margin:0 auto}
  .nav-links{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .consent{grid-template-columns:1fr;padding:30px}
  .downloads{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .section{padding:64px 22px}
}
@media (max-width:560px){
  .steps,.cards{grid-template-columns:1fr}
  .nav-cta{display:none}
  .foot-bottom{flex-direction:column}
}

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