/* ==========================================================
   АЙТИШНИК — дизайн-система «инженерный чертёж»
   ========================================================== */
:root{
  --bg:#f2f5f9;
  --panel:#ffffff;
  --ink:#0e1726;
  --muted:rgba(14,23,38,.6);
  --line:rgba(14,23,38,.14);
  --blue:#1a5cff;
  --blue-dark:#0c3fc9;
  --blue-ghost:rgba(26,92,255,.07);
  --yellow:#ffc826;
  --green:#12a150;
  --amber:#e8a13c;
  --term-bg:#0e1726;
  --term-text:#dbe6f5;
  --disp:'Tektur',sans-serif;
  --body:'Onest',sans-serif;
  --mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  color:var(--ink);
  background-color:var(--bg);
  /* чертёжная сетка: мелкая + крупная */
  background-image:
    linear-gradient(rgba(26,92,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(26,92,255,.045) 1px,transparent 1px),
    linear-gradient(rgba(26,92,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(26,92,255,.07) 1px,transparent 1px);
  background-size:24px 24px,24px 24px,120px 120px,120px 120px;
  font-size:17px;line-height:1.6;
  overflow-x:hidden;
}
::selection{background:var(--blue);color:#fff}
a{color:inherit}
h1,h2,h3{font-family:var(--disp);font-weight:600;line-height:1.15;letter-spacing:-.01em}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
section{scroll-margin-top:96px}

/* метка секции */
.eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;
}
.eyebrow::before{content:'//';color:var(--blue);font-weight:700;letter-spacing:0}

/* кнопки */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--body);font-weight:600;font-size:16px;
  padding:15px 26px;border:1.5px solid var(--ink);border-radius:8px;
  cursor:pointer;text-decoration:none;background:var(--panel);color:var(--ink);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s,background .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(14,23,38,.16)}
.btn-blue{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-dark);border-color:var(--blue-dark);box-shadow:0 10px 26px rgba(26,92,255,.35)}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-lg{padding:18px 32px;font-size:17px}

/* появление при скролле */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001s!important}
}

/* ============ НАВИГАЦИЯ ============ */
nav.top{
  position:sticky;top:0;z-index:100;
  background:rgba(242,245,249,.9);backdrop-filter:blur(12px);
  border-bottom:1.5px solid var(--line);
}
.nav-in{max-width:1180px;margin:0 auto;padding:0 28px;height:70px;display:flex;align-items:center;gap:34px}
.logo{font-family:var(--disp);font-weight:700;font-size:21px;text-decoration:none;display:flex;align-items:center;gap:2px}
.logo .br{color:var(--blue)}
.logo .sl{color:var(--yellow);text-shadow:0 1px 0 rgba(14,23,38,.2)}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{text-decoration:none;font-size:15px;font-weight:500;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{margin-left:8px;padding:10px 18px;font-size:14px}
@media(max-width:920px){.nav-links{display:none}}

/* ============ HERO ============ */
.hero{padding:72px 0 60px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.2rem,4.6vw,3.7rem);font-weight:700;margin-bottom:24px}
.hero h1 .mark{
  position:relative;white-space:nowrap;
  background:linear-gradient(transparent 62%,var(--yellow) 62%,var(--yellow) 94%,transparent 94%);
}
.hero-sub{font-size:19px;color:var(--muted);max-width:33em;margin-bottom:34px}
.hero-sub strong{color:var(--ink);font-weight:600}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.hero-note{font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.hero-note b{color:var(--green)}
.hero .stagger{opacity:0;transform:translateY(22px);animation:up .7s ease forwards}
@keyframes up{to{opacity:1;transform:none}}
.hero .s1{animation-delay:.05s}.hero .s2{animation-delay:.16s}.hero .s3{animation-delay:.28s}
.hero .s4{animation-delay:.4s}.hero .s5{animation-delay:.5s}

/* терминал */
.term{
  background:var(--term-bg);border-radius:12px;overflow:hidden;
  border:1.5px solid var(--ink);
  box-shadow:0 24px 60px rgba(14,23,38,.28);
  opacity:0;transform:translateY(22px);animation:up .7s .35s ease forwards;
}
.term-head{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.1);
}
.term-dot{width:11px;height:11px;border-radius:50%}
.term-dot:nth-child(1){background:#ff5f57}.term-dot:nth-child(2){background:#febc2e}.term-dot:nth-child(3){background:#28c840}
.term-title{margin-left:8px;font-family:var(--mono);font-size:12px;color:rgba(219,230,245,.55);letter-spacing:.06em}
.term-body{
  padding:20px 20px 24px;min-height:330px;
  font-family:var(--mono);font-size:13.5px;line-height:1.9;color:var(--term-text);
}
.term-line{white-space:pre-wrap;word-break:break-word}
.term-line .p{color:#7aa2ff}
.term-line.l-req{color:#dbe6f5}
.term-line.l-run{color:var(--amber)}
.term-line.l-ok{color:#4ade80}
.term-caret{display:inline-block;width:8px;height:15px;background:#4ade80;vertical-align:-2px;animation:blink 1s steps(1) infinite}
.term-input{
  display:flex;align-items:center;gap:10px;
  padding:12px 20px 14px;border-top:1px solid rgba(255,255,255,.1);
  font-family:var(--mono);font-size:13.5px;
}
.term-input .p{color:#7aa2ff}
.term-input input{
  flex:1;background:transparent;border:none;outline:none;
  font-family:var(--mono);font-size:13.5px;color:#4ade80;caret-color:#4ade80;
}
.term-input input::placeholder{color:rgba(219,230,245,.35)}
@keyframes blink{50%{opacity:0}}
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .term-body{min-height:300px}
}

/* ============ СТАТУС-СТРОКА ============ */
.statusbar{border-top:1.5px solid var(--line);border-bottom:1.5px solid var(--line);background:var(--panel)}
.statusbar-in{max-width:1180px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr)}
.status-cell{
  padding:26px 22px;border-left:1.5px solid var(--line);
  display:flex;flex-direction:column;gap:4px;
}
.status-cell:first-child{border-left:none}
.status-cell b{font-family:var(--mono);font-weight:700;font-size:20px;letter-spacing:-.01em}
.status-cell b i{font-style:normal;color:var(--blue)}
.status-cell span{font-size:13.5px;color:var(--muted)}
@media(max-width:920px){
  .statusbar-in{grid-template-columns:1fr 1fr}
  .status-cell:nth-child(3){border-left:none}
  .status-cell{border-top:1.5px solid var(--line)}
  .status-cell:nth-child(-n+2){border-top:none}
}

/* ============ УСЛУГИ ============ */
.services{padding:100px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:52px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.7rem,3.2vw,2.6rem);max-width:16em}
.sec-head p{max-width:27em;color:var(--muted);font-size:16.5px}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{
  background:var(--panel);border:1.5px solid var(--line);border-radius:14px;
  padding:30px 28px 26px;display:flex;flex-direction:column;position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
}
.svc:hover{transform:translateY(-5px);border-color:var(--blue);box-shadow:0 16px 40px rgba(26,92,255,.14)}
.svc:hover .svc-num{color:var(--blue)}
.svc-num{font-family:var(--mono);font-weight:700;font-size:13px;color:var(--muted);letter-spacing:.1em;margin-bottom:18px;transition:color .2s}
.svc h3{font-size:19px;margin-bottom:8px}
.svc>p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.svc ul{list-style:none;margin-bottom:20px}
.svc li{border-top:1px solid var(--line)}
.svc li a{
  display:flex;align-items:center;gap:9px;padding:9px 2px;
  font-size:14.5px;text-decoration:none;transition:color .15s,padding-left .15s;
}
.svc li a::before{content:'→';color:var(--blue);font-family:var(--mono);flex:none}
.svc li a:hover{color:var(--blue);padding-left:6px}
.svc-tag{
  position:absolute;top:24px;right:24px;
  font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.08em;
  color:var(--blue);background:var(--blue-ghost);
  border:1px solid rgba(26,92,255,.25);border-radius:99px;padding:4px 10px;
}
.svc-tag.hot{color:#b45309;background:rgba(255,200,38,.16);border-color:rgba(232,161,60,.45)}
.svc-price{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.02em;
}
.svc-price b{color:var(--ink);font-weight:700}
@media(max-width:920px){.svc-grid{grid-template-columns:1fr}}

/* ============ ТРЕКИ ============ */
.tracks{padding:100px 0;background:var(--panel);border-top:1.5px solid var(--line);border-bottom:1.5px solid var(--line)}
.track-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.track{
  border:1.5px solid var(--line);border-radius:14px;padding:30px 28px;
  background:var(--bg);display:flex;flex-direction:column;position:relative;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.track:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(14,23,38,.12)}
.track-badge{
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;
  margin-bottom:16px;color:var(--blue);
}
.track-badge::before{content:'';width:9px;height:9px;background:var(--blue);border-radius:2px}
.track.t-fix .track-badge{color:#b45309}.track.t-fix .track-badge::before{background:var(--yellow)}
.track.t-spec .track-badge{color:var(--green)}.track.t-spec .track-badge::before{background:var(--green)}
.track h3{font-size:19px;margin-bottom:6px}
.track-for{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.track ol{list-style:none;counter-reset:st;margin-bottom:22px}
.track ol li{
  counter-increment:st;display:flex;gap:12px;align-items:baseline;
  padding:8px 0;border-top:1px solid var(--line);font-size:14.5px;
}
.track ol li::before{
  content:counter(st,decimal-leading-zero);
  font-family:var(--mono);font-size:11px;font-weight:700;color:var(--blue);flex:none;
}
.track ol li b{font-weight:600}
.track .btn{margin-top:auto}
.track-note{
  margin-top:12px;font-family:var(--mono);font-size:11.5px;color:var(--muted);
  display:flex;gap:7px;align-items:baseline;
}
.track-note::before{content:'*';color:var(--blue);font-weight:700}
.track.t-hot-note .track-note::before{content:'🔥'}
@media(max-width:920px){.track-grid{grid-template-columns:1fr}}

/* принципы */
.principles{margin-top:56px;display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1.5px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg)}
.pr{padding:22px 20px;border-left:1.5px solid var(--line);display:flex;flex-direction:column;gap:6px}
.pr:first-child{border-left:none}
.pr b{font-family:var(--disp);font-size:14.5px;font-weight:600}
.pr span{font-size:12.5px;color:var(--muted);line-height:1.5}
.pr .ic{font-family:var(--mono);font-size:15px;color:var(--blue);font-weight:700}
@media(max-width:920px){
  .principles{grid-template-columns:1fr 1fr}
  .pr{border-top:1.5px solid var(--line)}
  .pr:nth-child(-n+2){border-top:none}
  .pr:nth-child(3){border-left:none}
  .pr:last-child{grid-column:1/-1;border-left:none}
}

/* ============ ПРОЕКТЫ ============ */
.projects{padding:100px 0}
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.proj{
  border:1.5px solid var(--line);border-radius:14px;background:var(--panel);
  padding:30px;display:flex;gap:24px;align-items:flex-start;text-decoration:none;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.proj:hover{transform:translateY(-5px);border-color:var(--blue);box-shadow:0 16px 40px rgba(26,92,255,.12)}
.proj-logo{
  width:74px;height:74px;border-radius:14px;flex:none;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--disp);font-weight:700;font-size:13px;color:#fff;
  text-align:center;line-height:1.2;padding:6px;
}
.proj-logo.otv{background:#ff4a00;font-family:'JetBrains Mono',monospace;font-weight:700}
.proj-logo.ivf{background:var(--ink)}
.proj-logo.mp{background:#1e7d46}
.proj-logo.ss{background:#d92b2b}
.proj h3{font-size:19px;margin-bottom:6px}
.proj p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.proj .go{font-family:var(--mono);font-size:12.5px;color:var(--blue);font-weight:700;letter-spacing:.04em}
.proj-status{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--green);
  border:1px solid rgba(18,161,80,.35);background:rgba(18,161,80,.08);
  border-radius:99px;padding:3px 9px;margin-left:10px;vertical-align:2px;
}
@media(max-width:920px){.proj-grid{grid-template-columns:1fr}}

/* ============ CTA ============ */
.cta{
  background:var(--ink);color:#f0f4fa;padding:100px 0;position:relative;overflow:hidden;
}
.cta::before{
  content:'</>';position:absolute;right:-.05em;top:50%;transform:translateY(-50%);
  font-family:var(--disp);font-weight:700;font-size:clamp(10rem,26vw,20rem);
  color:transparent;-webkit-text-stroke:1.5px rgba(240,244,250,.07);
  pointer-events:none;user-select:none;
}
.cta-in{position:relative;max-width:720px}
.cta .eyebrow{color:rgba(240,244,250,.55)}
.cta h2{font-size:clamp(1.9rem,4vw,3rem);margin-bottom:18px}
.cta h2 em{font-style:normal;color:var(--yellow)}
.cta p{font-size:18px;color:rgba(240,244,250,.75);margin-bottom:38px;max-width:30em}
.cta-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.cta .btn{border-color:transparent}
.cta-note{font-family:var(--mono);font-size:12.5px;color:rgba(240,244,250,.6)}

/* ============ ВНУТРЕННИЕ СТРАНИЦЫ ============ */
.crumbs{max-width:1180px;margin:26px auto 0;padding:0 28px;font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{color:var(--blue)}
.page-hero{padding:40px 0 56px}
.page-hero h1{font-size:clamp(1.8rem,3.6vw,2.8rem);max-width:24em;margin-bottom:18px}
.page-hero .lead{font-size:18px;color:var(--muted);max-width:40em;margin-bottom:28px}
.page-hero .lead strong{color:var(--ink)}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.pill{font-family:var(--mono);font-size:12px;border:1.5px solid var(--line);border-radius:99px;padding:6px 14px;color:var(--muted);background:var(--panel)}
.pill.b{color:var(--blue);border-color:rgba(26,92,255,.35);background:var(--blue-ghost)}

.cblock{padding:56px 0;border-top:1.5px solid var(--line)}
.cblock>.wrap>h2{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:8px;max-width:26em}
.cblock .sub{font-size:16px;color:var(--muted);max-width:42em;margin-bottom:32px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mini{background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:22px 24px;transition:transform .2s,border-color .2s,box-shadow .2s}
.mini:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 12px 30px rgba(26,92,255,.1)}
.mini h3{font-size:16.5px;margin-bottom:8px}
.mini p{font-size:14px;color:var(--muted)}
.mini .num{font-family:var(--mono);font-size:11.5px;color:var(--blue);font-weight:700;display:block;margin-bottom:10px;letter-spacing:.08em}
.check-list{list-style:none;columns:2;column-gap:44px;max-width:940px}
.check-list li{font-size:15.5px;padding:8px 0;break-inside:avoid;display:flex;gap:10px;align-items:baseline}
.check-list li::before{content:'✓';color:var(--green);font-weight:700;flex:none}

.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price{background:var(--panel);border:1.5px solid var(--line);border-radius:14px;padding:26px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s,box-shadow .2s}
.price:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 14px 34px rgba(26,92,255,.12)}
.price h3{font-size:17px;margin-bottom:4px}
.price .for{font-size:13px;color:var(--muted);margin-bottom:16px;min-height:2.6em}
.price .sum{font-family:var(--mono);font-weight:700;font-size:23px;letter-spacing:-.02em}
.price .term{font-family:var(--mono);font-size:12px;color:var(--muted);margin:4px 0 16px}
.price ul{list-style:none}
.price li{font-size:13.5px;padding:7px 0;border-top:1px solid var(--line);display:flex;gap:9px;align-items:baseline}
.price li::before{content:'—';color:var(--blue);flex:none;font-family:var(--mono)}
.price-note{margin-top:20px;font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;gap:8px}
.price-note::before{content:'*';color:var(--blue);font-weight:700}

.faq-list{border-top:1.5px solid var(--line)}
.faq-list details{border-bottom:1.5px solid var(--line)}
.faq-list summary{cursor:pointer;list-style:none;display:flex;gap:16px;align-items:baseline;padding:20px 4px;font-family:var(--disp);font-weight:600;font-size:16px;transition:color .15s}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--blue)}
.faq-list summary .plus{margin-left:auto;color:var(--blue);font-family:var(--mono);font-size:20px;transition:transform .25s;flex:none}
.faq-list details[open] .plus{transform:rotate(45deg)}
.faq-a{padding:0 4px 22px;max-width:48em;color:rgba(14,23,38,.75);font-size:15px}
.faq-a b{color:var(--ink)}

@media(max-width:920px){
  .cols2,.cols3,.prices{grid-template-columns:1fr}
  .check-list{columns:1}
}

/* форма заявки */
.lead-form{max-width:640px;margin-bottom:26px}
.lf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lf-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.lf-field span{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:rgba(240,244,250,.55)}
.lf-field input,.lf-field textarea{
  font-family:var(--body);font-size:16px;color:#f0f4fa;
  background:rgba(240,244,250,.06);border:1.5px solid rgba(240,244,250,.2);
  border-radius:8px;padding:13px 16px;outline:none;resize:vertical;
  transition:border-color .15s,background .15s;
}
.lf-field input::placeholder,.lf-field textarea::placeholder{color:rgba(240,244,250,.35)}
.lf-field input:focus,.lf-field textarea:focus{border-color:var(--blue);background:rgba(26,92,255,.1)}
.lf-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.lf-chips button{
  font-family:var(--mono);font-size:12px;cursor:pointer;
  color:rgba(240,244,250,.75);background:rgba(240,244,250,.07);
  border:1.5px solid rgba(240,244,250,.22);border-radius:99px;padding:6px 13px;
  transition:border-color .15s,color .15s,background .15s;
}
.lf-chips button:hover{border-color:var(--blue);color:#fff;background:rgba(26,92,255,.18)}
.lf-consent{
  display:flex;gap:10px;align-items:flex-start;margin:4px 0 22px;
  font-size:13px;color:rgba(240,244,250,.65);max-width:34em;cursor:pointer;
}
.lf-consent input{width:16px;height:16px;margin-top:2px;accent-color:var(--blue);flex:none;cursor:pointer}
.lf-consent a{color:rgba(240,244,250,.85)}
.lf-status{margin-top:14px;font-size:15px;min-height:1.4em}
.lf-status.ok{color:#4ade80}
.lf-status.err{color:#fca5a5}
.lf-status a{color:#f0f4fa}
@media(max-width:560px){.lf-row{grid-template-columns:1fr}}

/* ============ FOOTER ============ */
footer{padding:52px 0 38px;font-size:14px;color:var(--muted)}
.foot-grid{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap;align-items:flex-start}
.foot-brand{font-family:var(--disp);font-weight:700;font-size:19px;color:var(--ink);text-decoration:none}
.foot-brand .br{color:var(--blue)}.foot-brand .sl{color:var(--yellow)}
.foot-col{font-family:var(--mono);font-size:12.5px;line-height:2.1}
.foot-col a{text-decoration:none}
.foot-col a:hover{color:var(--blue)}
.foot-col .h{font-weight:700;color:var(--ink);letter-spacing:.06em;text-transform:uppercase;font-size:11px}
.foot-legal{width:100%;margin-top:32px;padding-top:20px;border-top:1.5px solid var(--line);font-family:var(--mono);font-size:11.5px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}