/* ============================================================
   Сайт-портфолио для бизнеса. Только свои стили: без фреймворков,
   без blur-фильтров и без per-frame перерисовок больших слоёв —
   страница должна оставаться лёгкой на слабом ноутбуке.
   ============================================================ */

:root{
  --bg:#07070d;
  --bg-2:#0b0b14;
  --panel:rgba(255,255,255,.035);
  --panel-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --text:#eceaf5;
  --muted:#9696ad;
  --dim:#6f6f86;
  --accent:#8b5cf6;
  --accent-2:#22d3ee;
  --good:#7ee2a8;
  --warn:#f5b75a;
  --bad:#ff7a90;
  --radius:18px;
  --pad:clamp(18px,4vw,34px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:16px/1.68 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.dim{color:var(--muted)}
.small{font-size:.9em}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.02em;line-height:1.12}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

/* --- фон ---------------------------------------------------- */
body::before{
  content:"";position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    radial-gradient(1100px 620px at 78% -8%,rgba(139,92,246,.26),transparent 62%),
    radial-gradient(860px 520px at 8% 12%,rgba(34,211,238,.14),transparent 60%),
    radial-gradient(900px 700px at 50% 108%,rgba(126,226,168,.10),transparent 60%),
    linear-gradient(180deg,#07070d,#0a0a12 46%,#07070d);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(720px 520px at 50% 0%,#000 22%,transparent 78%);
  -webkit-mask-image:radial-gradient(720px 520px at 50% 0%,#000 22%,transparent 78%);
}
#field{position:fixed;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.pointer-glow{
  position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;z-index:0;
  pointer-events:none;opacity:0;transition:opacity .5s var(--ease);
  background:radial-gradient(circle,rgba(139,92,246,.16),transparent 62%);
  transform:translate3d(var(--mx,-999px),var(--my,-999px),0);
}
.pointer-glow.on{opacity:1}

/* --- шапка -------------------------------------------------- */
.scroll-bar{position:fixed;inset:0 auto auto 0;height:2px;width:100%;z-index:40;background:rgba(255,255,255,.06)}
.scroll-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

.nav{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:18px;
  padding:14px var(--pad);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,7,13,.92),rgba(7,7,13,.72));
  backdrop-filter:saturate(140%);
}
.nav>a:first-child{font-size:.86rem;letter-spacing:.12em}
.nav .dim{color:var(--dim)}
.nav nav{margin-left:auto;display:flex;gap:6px}
.nav nav a{
  font-size:.86rem;color:var(--muted);padding:7px 12px;border-radius:999px;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav nav a:hover{color:var(--text);background:var(--panel-2)}
.status{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;color:var(--good)}
.status i{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 0 rgba(126,226,168,.55);animation:pulse 2.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(126,226,168,.5)}70%{box-shadow:0 0 0 9px rgba(126,226,168,0)}100%{box-shadow:0 0 0 0 rgba(126,226,168,0)}}

main{width:min(1080px,92vw);margin-inline:auto;padding-bottom:80px}
section{padding:clamp(56px,9vw,110px) 0;scroll-margin-top:80px}
.head{max-width:64ch;margin-bottom:34px}
.head h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
.head p{margin-top:12px;color:var(--muted);font-size:1.02rem}

/* --- hero --------------------------------------------------- */
.hero{padding-top:clamp(46px,8vw,86px)}
.kicker{font-size:.78rem;letter-spacing:.16em;text-transform:lowercase;color:var(--accent-2);margin-bottom:22px}
.hero h1{font-size:clamp(2rem,6.4vw,4.05rem);line-height:1.04;font-weight:700}
.hero h1 span{display:block;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
.hero h1 span>*,.hero h1 em{display:inline-block}
.hero h1 em{
  font-style:normal;color:transparent;
  background:linear-gradient(96deg,var(--accent),var(--accent-2) 62%,#c4b5fd);
  -webkit-background-clip:text;background-clip:text;
}
.lede{margin-top:26px;max-width:72ch;font-size:clamp(1.02rem,1.6vw,1.16rem);color:#c9c8d8}
.lede a{border-bottom:1px solid var(--line-strong);color:var(--text)}
.lede a:hover{border-color:var(--accent)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;
  border:1px solid var(--line-strong);font-size:.95rem;font-weight:550;
  background:var(--panel);transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:var(--accent)}
.btn.primary{
  border-color:transparent;color:#0b0b14;font-weight:650;
  background:linear-gradient(96deg,var(--accent),var(--accent-2));
}
.btn.primary:hover{filter:brightness(1.08)}

.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:1px;margin-top:58px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.facts li{padding:20px 18px;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015))}
.facts b{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:clamp(1.7rem,4vw,2.35rem);font-weight:600;letter-spacing:-.03em;
  background:linear-gradient(180deg,#fff,#b9b6d6);-webkit-background-clip:text;background-clip:text;color:transparent}
.facts span{display:block;margin-top:4px;font-size:.8rem;line-height:1.42;color:var(--dim)}

/* --- живые статусы ------------------------------------------ */
.probe-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:14px}
.probe{padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.probe h3{font-size:.98rem;display:flex;align-items:center;gap:9px}
.probe h3 i{width:8px;height:8px;border-radius:50%;background:var(--dim);flex:0 0 auto;transition:background .3s}
.probe[data-state="ok"] h3 i{background:var(--good)}
.probe[data-state="alt"] h3 i{background:var(--warn)}
.probe[data-state="down"] h3 i{background:var(--bad)}
.probe[data-state="wait"] h3 i{background:var(--accent-2)}
.dot-load{display:inline-block;width:9px;height:9px;border-radius:50%;border:2px solid var(--accent-2);
  border-top-color:transparent;animation:spin .8s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.probe .note{margin-top:6px;font-size:.82rem;color:var(--dim)}
.probe .code{margin-top:14px;display:flex;align-items:baseline;gap:10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.5rem}
.probe .code s{text-decoration:none;color:var(--muted);font-size:.82rem}
.probe .bar{margin-top:10px;height:4px;border-radius:4px;background:rgba(255,255,255,.07);overflow:hidden}
.probe .bar i{display:block;height:100%;width:0;border-radius:4px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .6s var(--ease)}
.probe .t b{color:var(--text);font-weight:400}
.probe .t{margin-top:8px;display:flex;gap:14px;font-size:.76rem;color:var(--dim);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.probe-foot{margin-top:18px;display:flex;align-items:center;gap:14px;font-size:.8rem}
.link-btn{background:none;border:1px solid var(--line-strong);color:var(--text);font:inherit;
  font-size:.8rem;padding:6px 14px;border-radius:999px;cursor:pointer;transition:border-color .2s}
.link-btn:hover{border-color:var(--accent)}
.link-btn[disabled]{opacity:.45;cursor:progress}

/* --- карточки работ ----------------------------------------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr));gap:16px}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr))}
.card{
  position:relative;padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  transform-style:preserve-3d;transition:border-color .3s var(--ease),transform .35s var(--ease);
  will-change:transform;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:radial-gradient(340px 200px at var(--cx,50%) var(--cy,0%),rgba(139,92,246,.22),transparent 70%);
  transition:opacity .35s var(--ease);
}
.card:hover{border-color:var(--line-strong)}
.card:hover::after{opacity:1}
.card .tag{display:inline-block;font-size:.72rem;letter-spacing:.1em;color:var(--accent-2);margin-bottom:14px}
.card h3{font-size:1.16rem;margin-bottom:10px}
.card p{font-size:.95rem;color:#c2c1d2}
.card .small{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);color:var(--dim);font-size:.84rem}
.card-link{
  display:inline-block;margin-top:14px;font-size:.82rem;letter-spacing:.04em;color:var(--accent-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.card-link:hover{color:var(--text);transform:translateX(3px)}

/* --- процесс ------------------------------------------------ */
.steps{position:relative;display:grid;gap:26px;padding-left:56px}
.steps::before{content:"";position:absolute;left:40px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2),transparent)}
.steps li{position:relative}
.steps li>span{position:absolute;left:-56px;top:2px;width:24px;text-align:right;font-size:.76rem;color:var(--dim)}
.steps li::before{content:"";position:absolute;left:-20px;top:9px;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:1px solid var(--accent)}
.steps h4{font-size:1.06rem;margin-bottom:6px}
.steps p{color:var(--muted);max-width:70ch;font-size:.96rem}

/* --- контакт + терминал ------------------------------------- */
.contact .links{display:flex;flex-wrap:wrap;gap:12px}
.term{
  margin-top:34px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);
  background:#05050a;font-size:.86rem;line-height:1.85;color:#b9b6d6;overflow-x:auto;white-space:pre-wrap;
}
.term b{color:var(--good);font-weight:400}
.term u{color:var(--dim);text-decoration:none}
.term em{color:var(--accent-2);font-style:normal}
.caret{display:inline-block;width:8px;border-bottom:2px solid var(--accent);animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

footer{padding:34px 0 10px;border-top:1px solid var(--line);font-size:.78rem;text-align:center}

/* --- появление при скролле ---------------------------------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
html.ready .hero h1 span{animation:rise .95s var(--ease) both;animation-delay:calc(var(--i,0)*.11s + .1s)}
@keyframes rise{from{opacity:0;transform:translateY(105%)}to{opacity:1;transform:none}}

@media (max-width:760px){
  .nav nav{display:none}
  .status{margin-left:auto}
  .facts{grid-template-columns:repeat(2,1fr)}
  main{width:min(1080px,94vw)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .hero h1 span{opacity:1;transform:none}
  #field{display:none}
}