/* ==========================================================================
   RtxBlox — rtxblox.com
   Single stylesheet. No CDN, no webfonts.
   ========================================================================== */

/* ---------------------------------------------------------------- tokens */
:root{
  --bg:#06070b;
  --bg-soft:#090b12;
  --surface:#0d0f18;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.14);
  --text:#e9ecf5;
  --muted:#98a0b4;
  --brand:#7b8fff;
  --brand-2:#a855f7;
  --cyan:#4fe3ff;
  --ok:#3ddc97;
  --warn:#ffc76b;
  --radius:18px;
  --wrap:1180px;
  --header-h:72px;
  --shadow-lg:0 30px 80px -40px rgba(0,0,0,.9);
  --grad:linear-gradient(120deg,#a6b8ff 0%,#c08bff 48%,#67e9ff 100%);
  --font:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,"Inter",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono","SF Mono","Consolas","Liberation Mono",monospace;
}

/* ----------------------------------------------------------------- reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px);overflow-x:clip}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.025em;font-weight:650}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0}
li{list-style:none}
code,kbd{font-family:var(--mono);font-size:.9em}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(140,120,255,.35);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 26px}
.narrow{max-width:860px}
.muted{color:var(--muted)}
.small{font-size:.86rem}
em{font-style:normal;color:#cfd5e6}
kbd{
  display:inline-block;padding:1px 6px;border-radius:5px;
  background:rgba(255,255,255,.07);border:1px solid var(--line-strong);
  font-size:.82em;color:#cfd6e8;
}

.skip-link{
  position:fixed;top:10px;left:50%;transform:translate(-50%,-160%);
  z-index:200;background:var(--brand);color:#08080f;font-weight:600;
  padding:10px 18px;border-radius:999px;transition:transform .2s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

/* ---------------------------------------------------------------- header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,7,11,.55);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  box-shadow:0 1px 0 rgba(255,255,255,.035);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(6,7,11,.9);border-bottom-color:var(--line)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}

.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;flex:none;filter:drop-shadow(0 4px 12px rgba(120,110,255,.35))}
.brand-text{font-size:1.2rem;font-weight:750;letter-spacing:-.02em;color:#f2f4fb}
.brand-text span{
  background:linear-gradient(120deg,#b9c6ff,#c79bff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}

.nav{display:flex;align-items:center;gap:2px}
.nav > a{
  padding:9px 13px;border-radius:999px;font-size:.92rem;font-weight:500;
  color:#c3c9d9;transition:color .18s ease,background .18s ease;
}
.nav > a:hover{color:#fff;background:rgba(255,255,255,.055)}
.nav > a.nav-cta{
  display:inline-flex;align-items:center;gap:8px;margin-left:10px;padding:10px 19px;
  color:#0a0a12;font-weight:650;
  background:linear-gradient(135deg,#aebcff,#c9a0ff);
  box-shadow:0 8px 24px -12px rgba(150,140,255,.9);
  transition:transform .18s ease,background .18s ease;
}
.nav > a.nav-cta svg{width:17px;height:17px}
.nav > a.nav-cta:hover{transform:translateY(-1px);background:linear-gradient(135deg,#c3cdff,#d9b8ff)}
.nav > a.nav-cta.is-current{box-shadow:0 0 0 1px rgba(255,255,255,.28) inset,0 8px 24px -12px rgba(150,140,255,.9)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;position:relative;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:1.8px;border-radius:2px;background:#cfd5e6;
  transition:transform .22s ease,opacity .18s ease,top .22s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ------------------------------------------------------------------ hero */
.hero{
  position:relative;display:flex;flex-direction:column;justify-content:center;
  min-height:min(84vh,760px);padding:calc(var(--header-h) + 40px) 0 0;
  overflow:hidden;isolation:isolate;
}
.hero-bg-wrap{position:absolute;inset:0;z-index:-1;background:#05060a}
.hero-bg{width:100%;height:100%;object-fit:cover;object-position:50% 46%}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,6,10,.97) 0%,rgba(5,6,10,.92) 26%,rgba(5,6,10,.55) 52%,rgba(5,6,10,.08) 78%,transparent 100%),
    linear-gradient(180deg,rgba(5,6,10,.72) 0%,transparent 26%,transparent 55%,rgba(6,7,11,.96) 96%);
}
.hero-vignette{
  position:absolute;inset:0;
  background:radial-gradient(115% 85% at 18% 45%,transparent 28%,rgba(4,5,9,.55) 100%);
}

.hero-inner{position:relative;display:flex;align-items:center;flex:1;padding-bottom:clamp(30px,5vw,54px)}
.hero-copy{max-width:640px;min-width:0}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px 7px 11px;margin-bottom:24px;
  border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(255,255,255,.05);
  font-size:.8rem;font-weight:550;color:#d3d9e9;letter-spacing:.01em;
  backdrop-filter:blur(8px);
}
.pulse{
  width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;
  box-shadow:0 0 0 0 rgba(61,220,151,.55);animation:ping 2.4s cubic-bezier(.4,0,.6,1) infinite;
}
@keyframes ping{
  0%{box-shadow:0 0 0 0 rgba(61,220,151,.5)}
  70%{box-shadow:0 0 0 9px rgba(61,220,151,0)}
  100%{box-shadow:0 0 0 0 rgba(61,220,151,0)}
}

.hero h1{
  font-size:clamp(2.6rem,5.4vw,4.5rem);
  font-weight:680;letter-spacing:-.04em;line-height:1.03;margin-bottom:22px;
  text-shadow:0 2px 30px rgba(0,0,0,.45);
}
.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.lead{font-size:clamp(1rem,1.2vw,1.085rem);color:#b3bacd;max-width:54ch;margin-bottom:32px}

.hero-actions{display:flex;flex-wrap:wrap;gap:13px;align-items:center}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:14px;font-weight:600;letter-spacing:-.01em;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  will-change:transform;
}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{
  padding:14px 24px;color:#fff;
  background:linear-gradient(135deg,#7c8dff 0%,#9d63ff 62%,#b05dff 100%);
  box-shadow:0 14px 34px -16px rgba(130,110,255,.95),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -18px rgba(140,115,255,1),inset 0 1px 0 rgba(255,255,255,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  padding:14px 22px;color:#dfe4f2;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);color:#fff}
.btn-lg{padding:17px 30px;font-size:1.03rem;border-radius:16px}
.btn-xl{padding:18px 26px;font-size:1.05rem;border-radius:16px}
.btn-block{width:100%}
.btn span{display:flex;flex-direction:column;align-items:flex-start;line-height:1.25}
.btn small{font-size:.72rem;font-weight:500;opacity:.82}

.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:.845rem;color:#9aa3b8}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta svg{width:16px;height:16px;color:#8b95ae;flex:none}

.stat-strip{
  position:relative;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(14,16,26,.82),rgba(10,12,20,.72));
  backdrop-filter:blur(18px);
  overflow:hidden;margin-bottom:clamp(26px,4vw,44px);
}
.stat{
  padding:18px 22px;display:flex;flex-direction:column;gap:1px;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0}
.stat strong{font-size:1.5rem;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.stat strong span{font-size:.85rem;font-weight:600;color:#9aa4bd;margin-left:1px}
.stat-label{font-size:.8rem;color:var(--muted)}

/* -------------------------------------------------------------- section */
.section{position:relative;padding:clamp(84px,10vw,132px) 0}
.section-alt{
  background:
    radial-gradient(60% 50% at 50% 0%,rgba(120,110,255,.07),transparent 70%),
    var(--bg-soft);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:680px;margin:0 auto clamp(38px,5vw,56px);text-align:center}
.kicker{
  display:inline-block;margin-bottom:14px;font-size:.76rem;font-weight:650;
  letter-spacing:.14em;text-transform:uppercase;color:#8b9aff;
}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.005rem}

/* ---------------------------------------------------------------- cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{
  position:relative;padding:26px 24px 28px;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.042),rgba(255,255,255,.012));
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(120% 80% at 50% -10%,rgba(140,130,255,.16),transparent 60%);
  transition:opacity .3s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(150,150,255,.30);box-shadow:0 24px 50px -34px rgba(90,80,200,.9)}
.card:hover::after{opacity:1}
.card-icon{
  width:42px;height:42px;border-radius:12px;margin-bottom:18px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(124,141,255,.2),rgba(168,85,247,.16));
  border:1px solid rgba(150,150,255,.24);color:#c3ccff;
}
.card-icon svg{width:21px;height:21px}
.card h3{font-size:1.04rem;margin-bottom:8px}
.card p{font-size:.915rem;color:var(--muted)}

/* -------------------------------------------------------------- compare */
.compare-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:20px}
.cmp-tab{
  display:inline-flex;align-items:center;gap:8px;padding:9px 17px;border-radius:999px;
  font-size:.865rem;font-weight:550;color:#b6bdcd;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;
}
.cmp-tab svg{width:16px;height:16px;flex:none}
.cmp-tab:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.07)}
.cmp-tab.is-active{
  color:#0a0a12;font-weight:650;border-color:transparent;
  background:linear-gradient(135deg,#aebcff,#c9a0ff);
  box-shadow:0 10px 26px -16px rgba(150,140,255,.95);
}
#cmpPanelDay[hidden],#cmpPanelNight[hidden]{display:none}

.compare{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:0 40px 90px -50px rgba(0,0,0,.95),0 0 0 1px rgba(255,255,255,.03) inset;
  aspect-ratio:21/10;background:#0a0b11;user-select:none;
  cursor:ew-resize;
}
.cmp-img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.cmp-on{position:absolute;inset:0;clip-path:inset(0 0 0 var(--pos));will-change:clip-path}
.cmp-line{
  position:absolute;top:0;bottom:0;left:var(--pos);width:2px;
  background:rgba(255,255,255,.92);
  box-shadow:0 0 22px rgba(0,0,0,.55);
  pointer-events:none;
}
.cmp-badge{
  position:absolute;bottom:clamp(14px,2.6vw,28px);
  padding:9px clamp(16px,2.4vw,26px);
  transform:skewX(-12deg);
  font-size:clamp(.78rem,1.35vw,1.02rem);font-weight:800;letter-spacing:.09em;
  line-height:1;pointer-events:none;user-select:none;
  box-shadow:0 12px 30px rgba(0,0,0,.45);
}
.cmp-badge > span{display:block;transform:skewX(12deg)}
.cmp-badge.is-off{left:clamp(14px,2.6vw,28px);background:#08080a;color:#fff}
.cmp-badge.is-on{right:clamp(14px,2.6vw,28px);background:#7cb518;color:#fff}
.cmp-range{
  position:absolute;left:0;bottom:0;width:1px;height:1px;margin:0;padding:0;
  opacity:0;pointer-events:none;border:0;
}
.compare:focus-within{outline:2px solid var(--brand);outline-offset:4px}

.compare-notes{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px;
}
.cmp-caption{
  margin-top:14px;text-align:center;font-size:.78rem;color:#6f778c;letter-spacing:.01em;
}
.note-item{display:flex;gap:11px;align-items:flex-start;font-size:.885rem;color:var(--muted)}
.note-item strong{color:#dbe1f0;font-weight:600}
.dot{width:9px;height:9px;border-radius:3px;flex:none;margin-top:7px}
.dot-a{background:#ffc46b;box-shadow:0 0 12px rgba(255,196,107,.55)}
.dot-b{background:#5fe6ff;box-shadow:0 0 12px rgba(95,230,255,.55)}
.dot-c{background:#b07bff;box-shadow:0 0 12px rgba(176,123,255,.55)}

/* -------------------------------------------------------------- presets */
.presets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.preset{
  position:relative;padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease;
}
.preset:hover{transform:translateY(-3px);border-color:rgba(150,150,255,.28)}
.preset-featured{
  background:linear-gradient(180deg,rgba(124,141,255,.14),rgba(168,85,247,.06));
  border-color:rgba(160,150,255,.34);
  box-shadow:0 22px 50px -34px rgba(110,90,255,.9);
}
.preset-tag{
  display:inline-block;margin-bottom:12px;font-size:.7rem;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;color:#b8c4ff;
}
.preset-featured .preset-tag{color:#dcc8ff}
.preset h3{font-size:1.24rem;margin-bottom:8px;letter-spacing:-.02em}
.preset-desc{font-size:.86rem;color:var(--muted);min-height:5.2em;margin-bottom:16px}
.preset-specs{display:flex;flex-direction:column;gap:7px;border-top:1px solid var(--line);padding-top:14px}
.preset-specs > div{display:flex;justify-content:space-between;font-size:.8rem}
.preset-specs dt{color:#7f889e}
.preset-specs dd{color:#d8deee;font-weight:500}

/* -------------------------------------------------------------- gallery */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.shot{
  position:relative;margin:0;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);background:#0a0b11;
  transition:transform .3s ease,border-color .3s ease;
}
.shot img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.shot:hover{transform:translateY(-4px);border-color:rgba(160,160,255,.3)}
.shot:hover img{transform:scale(1.045)}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;
  display:flex;flex-direction:column;gap:1px;
  background:linear-gradient(180deg,transparent,rgba(5,6,10,.88));
}
.shot figcaption span{font-size:.9rem;font-weight:600;color:#eef1f8}
.shot figcaption small{font-size:.74rem;color:#9aa3b8}

/* in-game captures band (download section) */
.shots{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
  margin-bottom:clamp(42px,6vw,72px);
}
.shots .shot img{aspect-ratio:2.05}
.shots .shot figcaption span{font-size:.95rem}

/* ---------------------------------------------------------------- steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.step{
  position:relative;padding:28px 26px 30px;border-radius:var(--radius);
  background:rgba(255,255,255,.026);border:1px solid var(--line);
}
.step::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(150,150,255,.5),transparent);opacity:.6;
}
.step-no{display:inline-block;font-family:var(--mono);font-size:.78rem;font-weight:600;color:#8ea0ff;letter-spacing:.1em;margin-bottom:14px}
.step h3{font-size:1.06rem;margin-bottom:7px}
.step p{font-size:.9rem;color:var(--muted)}
.step code{color:#c9d2ff;background:rgba(124,141,255,.13);padding:1px 6px;border-radius:5px}

.notice{
  display:flex;gap:14px;align-items:flex-start;margin-top:26px;padding:18px 22px;border-radius:14px;
  background:rgba(255,199,107,.055);border:1px solid rgba(255,199,107,.2);
  color:#e6dcc4;font-size:.9rem;
}
.notice svg{width:20px;height:20px;flex:none;color:var(--warn);margin-top:2px}
.notice code{color:#ffd894}

/* --------------------------------------------------------------- system */
.system-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,4vw,56px);align-items:center}
.system-copy h2{font-size:clamp(1.55rem,2.8vw,2.2rem);margin:12px 0 14px}
.system-copy > p{max-width:48ch}
.req-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px}
.req{
  padding:15px 17px;border-radius:13px;display:flex;flex-direction:column;gap:1px;
  background:rgba(255,255,255,.028);border:1px solid var(--line);
}
.req small{font-size:.72rem;color:#7d8599;letter-spacing:.05em;text-transform:uppercase}
.req strong{font-size:.97rem;font-weight:600;margin-top:3px}
.req span{font-size:.78rem;color:var(--muted)}

.version-card{
  padding:26px;border-radius:20px;
  background:linear-gradient(180deg,rgba(124,141,255,.1),rgba(255,255,255,.02) 45%);
  border:1px solid rgba(150,150,255,.22);box-shadow:var(--shadow-lg);
}
.version-head{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:16px}
.tag-live{
  display:inline-block;margin-bottom:10px;font-size:.68rem;font-weight:650;
  letter-spacing:.08em;text-transform:uppercase;color:#a9ffe0;
  background:rgba(61,220,151,.12);border:1px solid rgba(61,220,151,.3);
  padding:3px 9px;border-radius:99px;
}
.version-head h3{font-size:1.9rem;letter-spacing:-.03em}
.version-head p{font-size:.83rem;margin-top:2px}

.version-list{display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.version-list > div{display:flex;justify-content:space-between;gap:16px;font-size:.86rem}
.version-list dt{color:#8b93a9;flex:none}
.version-list dd{color:#dfe4f3;text-align:right;font-weight:500}

.hash{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:12px 13px;margin-bottom:18px;border-radius:11px;
  background:rgba(0,0,0,.35);border:1px solid var(--line);
}
.hash-label{width:100%;font-size:.66rem;font-weight:650;letter-spacing:.07em;color:#7d8599;text-transform:uppercase}
.hash code{flex:1 1 100%;font-size:.72rem;color:#9fb0d0;word-break:break-all}
.copy-btn{
  font-size:.72rem;font-weight:600;color:#c3ccff;padding:4px 11px;border-radius:7px;
  border:1px solid rgba(150,150,255,.3);background:rgba(124,141,255,.12);
  transition:background .18s ease,color .18s ease;
}
.copy-btn:hover{background:rgba(124,141,255,.24);color:#fff}
.copy-btn.copied{background:rgba(61,220,151,.16);border-color:rgba(61,220,151,.4);color:#a9ffe0}

/* ----------------------------------------------------------------- faq */
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{
  border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.026);
  transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:rgba(150,150,255,.26);background:rgba(124,141,255,.055)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;cursor:pointer;list-style:none;font-weight:560;font-size:.975rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:none;width:20px;height:20px;border-radius:6px;
  border:1px solid var(--line-strong);color:#9aa2b8;
  background:
    linear-gradient(currentColor,currentColor) center/9px 1.5px no-repeat,
    linear-gradient(currentColor,currentColor) center/1.5px 9px no-repeat;
  transition:color .2s ease;
}
.faq details[open] summary::after{
  background:linear-gradient(currentColor,currentColor) center/9px 1.5px no-repeat;color:#a9b6ff;
}
.faq details p{padding:0 20px 19px;color:var(--muted);font-size:.92rem;max-width:72ch}
.faq a{color:#a9b6ff;text-decoration:underline;text-underline-offset:3px}

/* ----------------------------------------------------------------- cta */
.cta-section{padding:clamp(56px,7vw,90px) 0}
.cta-card{
  position:relative;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:24px;
  padding:clamp(30px,4vw,48px) clamp(26px,4vw,48px);border-radius:22px;
  background:
    linear-gradient(120deg,rgba(124,141,255,.16),rgba(168,85,247,.1) 55%,rgba(79,227,255,.08));
  border:1px solid rgba(160,160,255,.24);
}
.cta-glow{
  position:absolute;inset:auto -10% -140% 40%;height:420px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(150,110,255,.32),transparent 75%);filter:blur(30px);
}
.cta-text{position:relative;z-index:1}
.cta-text h2{font-size:clamp(1.5rem,2.7vw,2.1rem);margin-bottom:8px}
.cta-text p{color:#b9c0d3;font-size:.93rem}
.cta-card .btn{position:relative;z-index:1}

/* -------------------------------------------------------------- footer */
.site-footer{
  border-top:1px solid var(--line);background:var(--bg-soft);
  padding:clamp(44px,6vw,64px) 0 28px;
}
.footer-inner{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:40px;
  padding-bottom:36px;border-bottom:1px solid var(--line);
}
.footer-brand{max-width:340px}
.footer-brand .brand{margin-bottom:12px}
.footer-brand p{font-size:.88rem;color:var(--muted)}
.footer-cols{display:flex;gap:clamp(40px,7vw,90px)}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h4{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#79839a;font-weight:650;margin-bottom:3px}
.footer-col a{font-size:.885rem;color:#b7bece;transition:color .18s ease}
.footer-col a:hover{color:#fff}

.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;
  padding-top:24px;font-size:.8rem;color:#767f93;
}
.disclaimer{max-width:62ch}
.footer-bottom a{color:#9aa4bb}
.footer-bottom a:hover{color:#fff}
.footer-bottom-only{padding-top:0;border-top:0}

/* ================================================== download page ====== */
.page-download{background:radial-gradient(70% 44% at 50% -6%,rgba(110,120,255,.14),transparent 70%),var(--bg)}
.dl-main{position:relative;padding:clamp(28px,4vw,44px) 0 clamp(60px,8vw,90px)}
.dl-glow{
  position:absolute;inset:-140px -20% auto -20%;height:600px;pointer-events:none;
  background:radial-gradient(45% 50% at 50% 40%,rgba(140,100,255,.2),transparent 72%);filter:blur(20px);
}
.dl-main .wrap{position:relative;z-index:1}

.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:24px;font-size:.82rem;color:#7d8599}
.breadcrumb a:hover{color:#c3ccff}
.breadcrumb span:last-child{color:#b3bbcd}

.dl-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:20px;align-items:start}
.dl-card{
  padding:clamp(24px,3.4vw,36px);border-radius:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);
}
.dl-ico{width:60px;height:60px;margin-bottom:20px}
.dl-card-head h1{font-size:clamp(1.7rem,3.2vw,2.35rem);margin:12px 0 8px}
.dl-card-head .ver{color:#a9b6ff;font-weight:600}
.dl-card-head p{font-size:.88rem}
.dl-card .btn-xl{margin-top:26px}
.dl-note{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;font-size:.82rem;color:#8d95a9}
.os-chip{
  display:inline-flex;align-items:center;gap:7px;padding:4px 10px;border-radius:99px;
  font-size:.75rem;font-weight:600;color:#a9ffe0;
  background:rgba(61,220,151,.1);border:1px solid rgba(61,220,151,.28);
}
.os-chip svg{width:13px;height:13px}
.dl-details{margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.dl-details .version-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px;margin-bottom:20px}

.dl-side{display:flex;flex-direction:column;gap:14px}
.side-card{padding:22px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.side-card h2{font-size:.95rem;margin-bottom:12px;letter-spacing:-.01em}
.side-card p{font-size:.86rem;color:var(--muted)}
.side-card-warn{background:rgba(255,199,107,.045);border-color:rgba(255,199,107,.2)}
.side-card-warn h2{color:#ffd894}
.side-card-warn p{color:#cfc3aa}
.side-card-warn strong{color:#ffe0ad;font-weight:600}
.link-arrow{display:inline-block;margin-top:10px;font-size:.83rem;font-weight:600;color:#ffd894}
.link-arrow:hover{color:#fff}

.mini-steps{display:flex;flex-direction:column;gap:12px}
.mini-steps li{display:flex;gap:11px;align-items:flex-start}
.mini-steps span{
  flex:none;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:.72rem;font-weight:700;color:#c3ccff;
  background:rgba(124,141,255,.16);border:1px solid rgba(150,150,255,.26);
}
.mini-steps p{font-size:.855rem;color:#a9b1c5;line-height:1.5}
.mini-steps code{color:#c9d2ff;font-size:.8rem}

.code{
  margin:8px 0 10px;padding:11px 12px;border-radius:9px;
  background:rgba(0,0,0,.4);border:1px solid var(--line);
  font-size:.76rem;color:#9fb0d0;overflow-x:auto;white-space:pre;
}

.dl-bottom{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.mini-feature{
  display:flex;gap:13px;align-items:flex-start;padding:18px 20px;border-radius:14px;
  background:rgba(255,255,255,.026);border:1px solid var(--line);
}
.mini-feature svg{width:20px;height:20px;flex:none;color:#9eaaff;margin-top:2px}
.mini-feature strong{display:block;font-size:.9rem;font-weight:600;margin-bottom:2px}
.mini-feature span{font-size:.8rem;color:var(--muted);line-height:1.5}

/* --------------------------------------------------------------- legal */
.legal-main{position:relative;padding:clamp(26px,4vw,40px) 0 clamp(64px,8vw,96px)}
.legal-main .wrap{position:relative;z-index:1}
.legal{max-width:800px}
.legal h1{font-size:clamp(1.75rem,3.2vw,2.35rem);margin-bottom:12px}
.updated{
  display:inline-block;margin-bottom:26px;padding:5px 12px;border-radius:99px;
  font-size:.78rem;color:#9aa3b9;background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.legal .lead-sm{font-size:.97rem;color:#b3bacd;margin-bottom:8px}
.legal h2{display:flex;align-items:baseline;gap:10px;font-size:1.12rem;margin:34px 0 10px}
.legal h2 .num{font-family:var(--mono);font-size:.8rem;font-weight:600;color:#7b8fff;opacity:.85;flex:none}
.legal p,.legal li{color:#a6aec2;font-size:.94rem;line-height:1.72}
.legal p{margin-bottom:11px}
.legal ul{margin:0 0 14px}
.legal li{position:relative;padding-left:18px;margin-bottom:7px}
.legal li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:2px;background:rgba(150,150,255,.65)}
.legal a{color:#a9b6ff;text-decoration:underline;text-underline-offset:3px}
.legal a:hover{color:#fff}
.legal-card{
  margin-top:34px;padding:20px 22px;border-radius:14px;
  background:rgba(124,141,255,.06);border:1px solid rgba(150,150,255,.2);
}
.legal-card p:last-child{margin-bottom:0}
.legal-toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px}
.legal-toc a{
  font-size:.8rem;padding:5px 11px;border-radius:99px;color:#b7bece;text-decoration:none;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.legal-toc a:hover{color:#fff;border-color:rgba(150,150,255,.32)}

/* ------------------------------------------------------- minimal page */
.hero-note{margin-top:20px;font-size:.8rem;color:#8b93a8;letter-spacing:.02em}

.compare-block{margin:0 0 clamp(24px,3vw,38px)}
.compare-block figcaption{
  margin-top:12px;font-size:.8rem;color:#7d8599;letter-spacing:.03em;
}
.compare-block:last-of-type{margin-bottom:0}

.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards-3 .card{padding:34px 30px 36px}
.cards-3 .card::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(180,180,255,.55),transparent);
}
.cards-3 .card h3{font-size:1.16rem;margin-bottom:10px}
.cards-3 .card p{font-size:.935rem}

.download-min{
  max-width:720px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;
}
.download-min h2{font-size:clamp(1.95rem,3.8vw,2.9rem);margin:12px 0 14px}
.download-lead{color:var(--muted);max-width:52ch;margin-bottom:30px}
.dl-meta{
  display:flex;flex-direction:column;align-items:center;gap:9px;
  margin-top:28px;font-size:.83rem;color:#8b93a8;
}
.dl-meta code{font-size:.74rem;color:#9fb0d0;word-break:break-all}
.dl-meta .copy-btn{margin-left:8px}
.dl-meta a{color:#a9b6ff;text-decoration:underline;text-underline-offset:3px}
.dl-meta a:hover{color:#fff}

.req-inline{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:32px;width:100%}
.req-inline li{
  display:flex;flex-direction:column;gap:1px;min-width:152px;
  padding:13px 18px;border-radius:12px;
  background:rgba(255,255,255,.028);border:1px solid var(--line);text-align:left;
}
.req-inline small{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:#7d8599}
.req-inline span{font-size:.9rem;color:#dfe4f3}

.install-steps{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:22px;
  font-size:.855rem;color:#9aa3b8;
}
.install-steps li{display:flex;align-items:center;gap:9px}
.install-steps > li > span{
  width:22px;height:22px;border-radius:7px;display:grid;place-items:center;flex:none;
  font-size:.72rem;font-weight:700;color:#c3ccff;
  background:rgba(124,141,255,.14);border:1px solid rgba(150,150,255,.26);
}

/* -------------------------------------------------------------- reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ------------------------------------------------------------ responsive */
@media (max-width:1080px){
  .presets{grid-template-columns:repeat(2,1fr)}
  .preset-desc{min-height:0}
  .cards{grid-template-columns:repeat(2,1fr)}
  .system-layout{grid-template-columns:1fr}
  .version-card{max-width:520px}
  .dl-layout{grid-template-columns:1fr}
  .dl-side{flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .compare-notes{grid-template-columns:1fr}
}

@media (max-width:860px){
  .cards-3{grid-template-columns:1fr}
  .req-inline li{flex:1 1 140px;min-width:0}
  .nav-toggle{display:block}
  .nav{
    position:absolute;top:calc(var(--header-h) + 6px);right:22px;left:22px;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px;border-radius:16px;
    background:rgba(12,14,22,.98);border:1px solid var(--line-strong);
    box-shadow:0 30px 60px -24px rgba(0,0,0,.9);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav > a{padding:12px 14px;border-radius:10px}
  .nav > a.nav-cta{margin-left:0;margin-top:6px;justify-content:center}
  .hero{min-height:0;padding-top:calc(var(--header-h) + 56px)}
  .hero-scrim{
    background:
      linear-gradient(180deg,rgba(5,6,10,.92) 0%,rgba(5,6,10,.82) 45%,rgba(6,7,11,.97) 100%);
  }
  .hero h1{font-size:clamp(2.1rem,8.4vw,3rem)}
  .steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr}
  .dl-details .version-list{grid-template-columns:1fr}
  .dl-bottom{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
}

@media (max-width:600px){
  .wrap{padding:0 18px}
  .cards{grid-template-columns:1fr}
  .presets{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .hero-meta{flex-direction:column;gap:8px}
  .cta-card{flex-direction:column;align-items:flex-start}
  .cta-card .btn{width:100%}
  .footer-inner{flex-direction:column;gap:28px}
  .footer-cols{gap:40px}
  .dl-side{flex-direction:column}
  .cmp-badge{font-size:.72rem;padding:7px 14px}
  .stat{padding:15px 16px}
  .stat strong{font-size:1.28rem}
}

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