*,*::before,*::after{box-sizing:border-box}

:root{
  --bg:#000;
  --bg-elev:#08090a;
  --bg-card:rgba(255,255,255,0.024);
  --bg-card-hi:rgba(255,255,255,0.05);
  --border:rgba(255,255,255,0.07);
  --border-hi:rgba(255,255,255,0.16);
  --fg:#f5f5f7;
  --fg-muted:#a1a1a6;
  --fg-dim:#7d7d82;
  --accent:#00ff66;
  --accent-ink:#001a0a;
  --accent-glow:rgba(0,255,102,0.42);
  --accent-soft:rgba(0,255,102,0.12);
  --accent-line:rgba(0,255,102,0.32);
  --danger:#ff5566;
  --warn:#ffb020;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --maxw:1240px;
  --pad:clamp(16px,4vw,48px);
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
}

html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  background:var(--bg);color:var(--fg);
  font-family:var(--font);font-size:16px;line-height:1.55;
  min-height:100vh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  position:relative;
}

/* Subtle film grain */
body::after{
  content:"";position:fixed;inset:0;
  pointer-events:none;z-index:1;opacity:.035;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit}

a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease)}
a:hover{text-decoration:none;color:#4dff95}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;border-radius:6px;
}

/* атрибут hidden должен побеждать display у .btn/.card и пр. — иначе скрипт не может ничего спрятать */
[hidden]{display:none!important}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);position:relative}

/* Cursor glow — global */
.cursor-glow{
  position:fixed;top:0;left:0;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,255,102,0.08) 0%,rgba(0,255,102,0.02) 35%,transparent 65%);
  pointer-events:none;z-index:9998;
  opacity:0;transition:opacity .35s var(--ease);
  will-change:transform;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:999px;border:1px solid var(--border-hi);
  background:transparent;color:var(--fg);
  font-weight:500;font-size:15px;letter-spacing:.005em;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .2s var(--ease),border-color .2s var(--ease),
             transform .15s var(--ease),color .2s var(--ease),
             box-shadow .25s var(--ease);
  -webkit-tap-highlight-color:transparent;
  position:relative;
}
.btn:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.24)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;pointer-events:none}

.btn-primary{
  background:var(--accent);color:var(--accent-ink);border-color:var(--accent);
  box-shadow:0 0 0 0 var(--accent-glow),0 10px 40px -14px var(--accent-glow);
}
.btn-primary:hover{
  background:#3dff8c;border-color:#3dff8c;color:var(--accent-ink);
  box-shadow:0 0 0 6px var(--accent-soft),0 10px 44px -10px var(--accent-glow);
  transform:translateY(-1px);
}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--border)}
.btn-block{width:100%}
.btn-lg{min-height:56px;font-size:16px;padding:0 32px}
.btn-sm{min-height:44px;font-size:14px;padding:0 18px}
.btn-icon{width:46px;height:46px;min-height:46px;padding:0;border-radius:12px}

/* Cards */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:clamp(20px,3vw,30px);
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
  position:relative;
}
.card:hover{border-color:var(--border-hi);background:var(--bg-card-hi)}

/* Spotlight */
[data-spotlight]{
  position:relative;overflow:hidden;isolation:isolate;
}
[data-spotlight]::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,50%),
    rgba(0,255,102,0.09),transparent 42%);
  opacity:0;transition:opacity .3s var(--ease);
  pointer-events:none;z-index:-1;
}
[data-spotlight]:hover::before{opacity:1}

/* Eyebrow / mono labels */
.eyebrow{
  display:inline-block;font-family:var(--mono);
  font-size:11px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;
  color:var(--fg-dim);
}

code{font-family:var(--mono);font-size:.92em;background:rgba(255,255,255,.05);border-radius:4px;padding:1px 6px;color:#e8e8ec}

/* Reveal (only active when JS body-class is applied) */
body.reveal-active .reveal{
  opacity:0;transform:translateY(22px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
body.reveal-active .reveal.is-visible{opacity:1;transform:none}

/* Toast */
#toast{
  position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);
  padding:11px 20px;background:rgba(16,17,19,0.94);color:#fff;
  border:1px solid var(--border-hi);border-radius:999px;font-size:14px;
  opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
  z-index:1000;max-width:calc(100vw - 32px);text-align:center;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
#toast.is-visible{opacity:1;transform:translate(-50%,0)}