/* thisis98k.cc */
:root{
  --bg:#0a0910; --bg-2:#0f0d18; --surface:#141120; --surface-2:#1a1628;
  --line:#26212f; --line-2:#342c42;
  --ink:#f1eef7; --ink-2:#b8b2c6; --dim:#7b7489;
  --violet:#a78bfa; --violet-2:#c9bbfd; --violet-deep:#7c3aed;
  --go:#3ee0d2;
  --display:'Bricolage Grotesque',system-ui,sans-serif;
  --body:'Hanken Grotesk',system-ui,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1080px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  background-image:radial-gradient(50% 45% at 50% 34%,rgba(139,99,240,.16),transparent 72%);
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--body); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--violet);color:#0a0910}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.02;letter-spacing:-.02em;text-wrap:balance}
img{max-width:100%;display:block}

/* ---------- particle field ---------- */
#field{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;display:block}
.field-scrim{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(56% 46% at 50% 34%,rgba(139,99,240,.17),transparent 70%),
    linear-gradient(180deg,transparent 0%,transparent 40%,rgba(10,9,16,.72) 66%,var(--bg) 92%);
}
body.no-field #field,body.no-field .field-scrim{display:none}
body::after{ /* grain */
  content:"";position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
:where(.nav,main,.foot){position:relative;z-index:3}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;width:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,4vw,40px);
  background:linear-gradient(180deg,rgba(10,9,16,.7),transparent);
  backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:center}
.brand img{height:17px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:clamp(14px,3vw,30px);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;color:var(--dim)}
.nav-links a:not(.btn):hover{color:var(--ink)}
.lang{display:inline-flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.lang button{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;
  padding:6px 10px;background:transparent;border:0;color:var(--dim);cursor:pointer;
  transition:color .18s,background .18s;
}
.lang button:hover{color:var(--ink-2)}
.lang button[aria-pressed="true"]{background:var(--violet);color:#0b0910}
.lang button+button{border-left:1px solid var(--line-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:500;letter-spacing:.01em;
  background:var(--violet);color:#0b0910;border:1px solid var(--violet);
  border-radius:8px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(167,139,250,.5)}
.btn-sm{padding:7px 14px;font-size:12.5px}
.btn-lg{padding:15px 26px;font-size:15px;border-radius:10px}
.ghost{font-family:var(--mono);font-size:13px;color:var(--ink-2);
  border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:color .2s,border-color .2s}
.ghost:hover{color:var(--violet-2);border-color:var(--violet)}

/* ---------- layout blocks ---------- */
main{max-width:var(--wrap);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.hero{min-height:90vh;min-height:90svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:0 0 clamp(52px,10vh,104px);max-width:640px}
.hero-mark{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
body.no-field .hero{justify-content:center;align-items:flex-start}
body.no-field .hero-mark{position:static;width:auto;height:auto;overflow:visible;clip:auto;
  white-space:normal;margin-bottom:22px}
body.no-field .hero-mark img{width:min(72vw,440px);height:auto}
.hero-sub{font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--ink-2);max-width:42ch;
  font-weight:400;line-height:1.55}
.hero-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:34px}

.block{padding:clamp(64px,11vh,110px) 0;border-top:1px solid var(--line)}
.block-head{max-width:60ch;margin-bottom:48px}
.kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--dim);display:block;margin-bottom:16px}
.block-head h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
.block-head p{color:var(--ink-2);margin-top:16px;font-size:1.02rem}

/* ---------- services grid ---------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{
  position:relative;background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:14px;padding:28px 26px 30px;
  overflow:hidden;transition:transform .3s var(--ease),border-color .3s;
}
.card::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:2px;
  background:var(--violet);opacity:0;transition:opacity .3s;border-radius:2px;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-2)}
.card:hover::before{opacity:1}
.card h3{font-size:1.18rem;font-weight:600;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:.95rem}

/* ---------- steps ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.steps li{background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:14px;padding:26px 24px 28px}
.step-n{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--violet);
  display:block;margin-bottom:18px}
.steps h3{font-size:1.1rem;font-weight:600;margin-bottom:9px}
.steps p{color:var(--ink-2);font-size:.95rem}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;position:relative;
  padding:20px 42px 20px 0;
  font-family:var(--display);font-weight:600;font-size:1.06rem;color:var(--ink);
  transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:1.15rem;color:var(--dim);
  transition:transform .25s var(--ease),color .2s}
.faq summary:hover{color:var(--violet-2)}
.faq details[open] summary{color:var(--violet-2)}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--violet)}
.faq details p{color:var(--ink-2);font-size:.97rem;max-width:64ch;padding:0 0 22px}

/* ---------- about ---------- */
#about .block-head{margin-bottom:0}
#about .block-head p{max-width:56ch}

/* ---------- contact ---------- */
.contact{text-align:center}
.contact>div{max-width:52ch;margin:0 auto}
.contact .kicker{color:var(--violet)}
.contact h2{font-size:clamp(1.9rem,4.4vw,3rem)}
.contact p{color:var(--ink-2);margin:16px auto 34px}
.contact .btn-lg{font-size:1rem}

/* ---------- footer ---------- */
.foot{
  max-width:var(--wrap);margin:0 auto;padding:34px clamp(18px,4vw,40px) 46px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-family:var(--mono);font-size:12px;color:var(--dim);
}
.foot a:hover{color:var(--violet-2)}

/* ---------- reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);
  transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
.hero [data-reveal]:nth-child(1){transition-delay:.05s}
.hero [data-reveal]:nth-child(2){transition-delay:.13s}
.hero [data-reveal]:nth-child(3){transition-delay:.21s}
.hero [data-reveal]:nth-child(4){transition-delay:.29s}
.grid.is-in .card{animation:pop .6s var(--ease) both}
.grid.is-in .card:nth-child(2){animation-delay:.06s}
.grid.is-in .card:nth-child(3){animation-delay:.12s}
.grid.is-in .card:nth-child(4){animation-delay:.18s}
@keyframes pop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media (max-width:640px){
  .nav{position:absolute;padding:13px 18px;backdrop-filter:none;background:none}
  .nav-links a:not(.btn){display:none}
  .nav-links{gap:9px}
  .btn-sm{padding:7px 12px;font-size:12px}
  .grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero{min-height:88svh;justify-content:center;padding-top:76px;padding-bottom:0}
  .hero-sub{max-width:none}
  .hero-cta{gap:16px;margin-top:28px}
  .btn-lg{padding:14px 20px;font-size:14px}
  .block{padding:clamp(56px,9vh,88px) 0}
  .block-head{margin-bottom:36px}
  .faq summary{padding-right:36px;font-size:1rem}
}
@media (max-width:360px){
  .btn-lg{font-size:13px;padding:13px 16px}
  .lang button{padding:6px 8px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .grid.is-in .card{animation:none}
  .btn:hover,.card:hover{transform:none}
}

/* ---------- focus ---------- */
a:focus-visible,.btn:focus-visible{outline:2px solid var(--violet-2);outline-offset:3px;border-radius:6px}