/* ===========================================================
   SPEKTR — IT-аутсорсинг
   Design tokens
   =========================================================== */
:root{
  --bg:            #050914;
  --bg-alt:        #070C1C;
  --panel:         #0B1330;
  --panel-2:       #101B3D;
  --border:        rgba(148,168,224,0.14);
  --border-strong: rgba(148,168,224,0.28);

  --cyan:   #00D2FF;
  --blue:   #0066FF;
  --grad:   linear-gradient(100deg, var(--cyan) 0%, var(--blue) 100%);

  --text:       #F2F5FC;
  --text-muted: #93A0C4;
  --text-dim:   #5C6890;

  --font-display: 'Exo 2', sans-serif;
  --font-body:    'Manrope', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-lg: 22px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; font-weight:700; letter-spacing:0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--grad);
}

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.section{
  position:relative;
  padding:120px 0;
}
.section-head{
  max-width:640px;
  margin-bottom:64px;
}
.section-head h2{
  font-size:clamp(28px,4vw,42px);
  line-height:1.15;
}
.section-head p{
  margin-top:16px;
  color:var(--text-muted);
  font-size:17px;
}
.section-alt{
  background:
    radial-gradient(ellipse 80% 60% at 15% 0%, rgba(0,102,255,0.08), transparent 60%),
    var(--bg-alt);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:15px 30px;
  border-radius:100px;
  font-family:var(--font-body);
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#03060F;
  box-shadow:0 8px 30px -8px rgba(0,150,255,0.55);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 34px -6px rgba(0,180,255,0.65); }
.btn-ghost{
  background:rgba(255,255,255,0.03);
  border-color:var(--border-strong);
  color:var(--text);
}
.btn-ghost:hover{ background:rgba(255,255,255,0.07); border-color:rgba(148,168,224,0.5); }
.btn:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; }

/* ===== circuit dot signature (echoes the logo mark) ===== */
.circuit{
  position:absolute;
  pointer-events:none;
  opacity:.55;
}
.circuit svg{ overflow:visible; }
.circuit .line{
  stroke:url(#circuitGrad);
  stroke-width:1.4;
  fill:none;
  stroke-dasharray:4 6;
  animation:dash 14s linear infinite;
}
.circuit .node{
  fill:var(--cyan);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes dash{ to{ stroke-dashoffset:-200; } }
@keyframes pulse{
  0%,100%{ opacity:.35; r:2.2; }
  50%{ opacity:1; r:3.4; }
}

/* ===========================================================
   Header / Nav
   =========================================================== */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  padding:18px 0;
  transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(5,9,20,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--border);
  padding:12px 0;
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  height:34px;
}
.logo img{ height:100%; width:auto; }

.nav-links{
  display:flex;
  align-items:center;
  gap:34px;
}
.nav-links a{
  font-size:14.5px;
  font-weight:600;
  color:var(--text-muted);
  transition:color .2s ease;
  position:relative;
}
.nav-links a:hover{ color:var(--text); }
.nav-links a::after{
  content:"";
  position:absolute;
  left:0; bottom:-6px;
  width:0; height:2px;
  background:var(--grad);
  transition:width .25s ease;
}
.nav-links a:hover::after{ width:100%; }

.nav-right{ display:flex; align-items:center; gap:18px; }
.nav-cta{ display:none; }
@media (min-width:920px){ .nav-cta{ display:inline-flex; } }

.burger{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:38px; height:38px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border-strong);
  border-radius:10px;
  padding:0 9px;
}
.burger span{
  display:block; height:2px; width:100%;
  background:var(--text);
  border-radius:2px;
  transition:transform .3s ease, opacity .3s ease;
}
@media (min-width:920px){ .burger{ display:none; } }

.mobile-menu{
  position:fixed;
  inset:0;
  background:rgba(5,9,20,0.98);
  backdrop-filter:blur(10px);
  z-index:99;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:28px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .3s ease, transform .3s ease, visibility .3s;
}
.mobile-menu.is-open{ opacity:1; visibility:visible; transform:none; }
.mobile-menu a{ font-family:var(--font-display); font-size:26px; font-weight:600; }
.mobile-menu .btn{ margin-top:12px; }

@media (max-width:919px){ .nav-links{ display:none; } }

/* ===========================================================
   Hero
   =========================================================== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  padding-top:120px;
  padding-bottom:80px;
  background:
    radial-gradient(ellipse 60% 50% at 78% 18%, rgba(0,150,255,0.16), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 85%, rgba(0,210,255,0.08), transparent 60%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(148,168,224,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,168,224,0.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 75%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:40px;
  align-items:center;
}
@media (max-width:900px){ .hero-inner{ grid-template-columns:1fr; } }

.hero h1{
  font-size:clamp(36px,5.4vw,64px);
  line-height:1.08;
  letter-spacing:0.005em;
}
.hero-sub{
  margin-top:24px;
  font-size:18px;
  color:var(--text-muted);
  max-width:520px;
}
.hero-actions{
  display:flex;
  gap:16px;
  margin-top:40px;
  flex-wrap:wrap;
}
.hero-stats{
  display:flex;
  gap:36px;
  margin-top:56px;
  flex-wrap:wrap;
}
.hero-stats .stat-num{
  font-family:var(--font-mono);
  font-size:26px;
  color:var(--text);
}
.hero-stats .stat-label{
  font-size:13px;
  color:var(--text-dim);
  margin-top:4px;
}

.hero-mark{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-mark .glow-ring{
  position:absolute;
  width:340px; height:340px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(0,180,255,0.22), transparent 70%);
  filter:blur(10px);
  animation:breathe 5s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{ transform:scale(1); opacity:.7; }
  50%{ transform:scale(1.08); opacity:1; }
}
.hero-mark img{
  position:relative;
  width:min(320px,70vw);
  filter:drop-shadow(0 20px 60px rgba(0,140,255,0.35));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-14px); }
}

.scroll-cue{
  position:absolute;
  bottom:34px; left:50%;
  transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  color:var(--text-dim);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.scroll-cue .line{
  width:1px; height:34px;
  background:linear-gradient(var(--cyan), transparent);
  animation:scrollline 2s ease-in-out infinite;
}
@keyframes scrollline{
  0%{ transform:scaleY(0); transform-origin:top; }
  50%{ transform:scaleY(1); transform-origin:top; }
  50.001%{ transform-origin:bottom; }
  100%{ transform:scaleY(0); transform-origin:bottom; }
}

/* ===========================================================
   About / Кто мы
   =========================================================== */
.about-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
  align-items:start;
}
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; } }

.about-text p{ color:var(--text-muted); font-size:17px; }
.about-text b{ color:var(--text); font-weight:700; }

.mission-card{
  margin-top:32px;
  padding:28px 30px;
  border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px solid var(--border);
  position:relative;
}
.mission-card .quote-mark{
  font-family:var(--font-display);
  font-size:40px;
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  line-height:1; margin-bottom:10px; display:block;
}
.mission-card p{ font-size:16.5px; color:var(--text); }

.value-list{ display:flex; flex-direction:column; gap:26px; }
.value-item{ display:flex; gap:18px; }
.value-icon{
  flex:none;
  width:48px; height:48px;
  border-radius:12px;
  background:var(--panel);
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
}
.value-icon svg{ width:22px; height:22px; stroke:var(--cyan); }
.value-item h4{ font-size:17px; margin-bottom:4px; }
.value-item p{ color:var(--text-muted); font-size:15px; }

/* ===========================================================
   Services
   =========================================================== */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
@media (max-width:900px){ .services-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:620px){ .services-grid{ grid-template-columns:1fr; } }

.service-card{
  position:relative;
  padding:30px 26px;
  border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px solid var(--border);
  transition:transform .3s ease, border-color .3s ease, background .3s ease;
  overflow:hidden;
}
.service-card::before{
  content:"";
  position:absolute; inset:0;
  background:radial-gradient(220px 140px at 0% 0%, rgba(0,180,255,0.14), transparent 70%);
  opacity:0;
  transition:opacity .3s ease;
}
.service-card:hover{ transform:translateY(-5px); border-color:rgba(0,180,255,0.4); }
.service-card:hover::before{ opacity:1; }
.service-num{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--cyan);
  letter-spacing:.1em;
}
.service-card h3{
  font-size:19px;
  margin-top:14px;
  margin-bottom:10px;
  position:relative;
}
.service-card p{ color:var(--text-muted); font-size:14.5px; position:relative; }

/* ===========================================================
   Why us
   =========================================================== */
.why-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
@media (max-width:980px){ .why-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:560px){ .why-grid{ grid-template-columns:repeat(2,1fr); } }
.why-item{
  background:var(--bg-alt);
  padding:32px 20px;
  text-align:center;
  transition:background .25s ease;
}
.why-item:hover{ background:var(--panel-2); }
.why-item svg{ width:30px; height:30px; stroke:var(--cyan); margin:0 auto 16px; }
.why-item h4{ font-size:14.5px; margin-bottom:6px; }
.why-item p{ font-size:12.5px; color:var(--text-dim); line-height:1.5; }

/* ===========================================================
   Pricing
   =========================================================== */
.pricing-note{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--text-dim);
  margin-top:10px;
}
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media (max-width:900px){ .pricing-grid{ grid-template-columns:1fr; max-width:420px; margin:0 auto; } }

.plan{
  padding:36px 30px;
  border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px solid var(--border);
  display:flex; flex-direction:column;
}
.plan-feat{
  position:relative;
  border:1px solid rgba(0,180,255,0.5);
  background:linear-gradient(180deg, rgba(0,150,255,0.09), var(--panel) 40%);
}
.plan-badge{
  align-self:flex-start;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:#03060F;
  background:var(--grad);
  padding:5px 12px;
  border-radius:100px;
  margin-bottom:18px;
}
.plan h3{ font-size:20px; }
.plan .plan-desc{ color:var(--text-muted); font-size:14px; margin-top:8px; min-height:40px; }
.plan .price{
  display:flex; align-items:baseline; gap:8px;
  margin:24px 0 26px;
  font-family:var(--font-mono);
}
.plan .price .amount{ font-size:34px; color:var(--text); font-weight:700; }
.plan .price .period{ font-size:13px; color:var(--text-dim); }
.plan-list{ display:flex; flex-direction:column; gap:12px; margin-bottom:30px; flex:1; }
.plan-list li{
  display:flex; gap:10px;
  font-size:14.5px;
  color:var(--text-muted);
}
.plan-list li svg{ flex:none; width:18px; height:18px; stroke:var(--cyan); margin-top:1px; }
.plan .btn{ width:100%; }

/* ===========================================================
   Contacts
   =========================================================== */
.contact-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:50px;
}
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-info-item{
  display:flex; gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--border);
}
.contact-info-item:first-child{ padding-top:0; }
.contact-info-item svg{ flex:none; width:22px; height:22px; stroke:var(--cyan); margin-top:2px; }
.contact-info-item h4{ font-size:13px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.08em; font-family:var(--font-mono); font-weight:500; margin-bottom:4px; }
.contact-info-item p, .contact-info-item a{ font-size:16px; }
.contact-info-item a:hover{ color:var(--cyan); }

.social-row{ display:flex; gap:12px; margin-top:28px; }
.social-row a{
  width:42px; height:42px;
  border-radius:10px;
  border:1px solid var(--border-strong);
  display:flex; align-items:center; justify-content:center;
  transition:border-color .2s ease, background .2s ease;
}
.social-row a:hover{ border-color:var(--cyan); background:rgba(0,180,255,0.08); }
.social-row svg{ width:18px; height:18px; stroke:var(--text); }

.form{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:18px; }
.field label{
  display:block;
  font-size:13px;
  color:var(--text-dim);
  margin-bottom:8px;
  font-family:var(--font-mono);
}
.field input, .field textarea{
  width:100%;
  background:var(--bg-alt);
  border:1px solid var(--border-strong);
  border-radius:10px;
  padding:13px 15px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:14.5px;
  resize:vertical;
  transition:border-color .2s ease;
}
.field input:focus, .field textarea:focus{
  outline:none;
  border-color:var(--cyan);
}
.field textarea{ min-height:110px; }
.form-note{ font-size:12.5px; color:var(--text-dim); margin-top:14px; }
.form-status{ font-size:14px; margin-top:14px; display:none; }
.form-status.show{ display:block; }
.form-status.ok{ color:#4ADE80; }
.form-status.err{ color:#F87171; }

/* ===========================================================
   CTA band
   =========================================================== */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  padding:64px 50px;
  background:
    radial-gradient(ellipse 70% 100% at 90% 0%, rgba(0,180,255,0.18), transparent 60%),
    var(--panel);
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-band h3{ font-size:clamp(22px,3vw,30px); max-width:520px; }
.cta-band p{ color:var(--text-muted); margin-top:10px; }

/* ===========================================================
   Footer
   =========================================================== */
.site-footer{
  padding:70px 0 30px;
  border-top:1px solid var(--border);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
}
@media (max-width:820px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-logo{ height:30px; margin-bottom:16px; }
.footer-about p{ color:var(--text-dim); font-size:14px; max-width:280px; }
.footer-col h5{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--text-dim);
  margin-bottom:18px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:12px; }
.footer-col a, .footer-col p{ color:var(--text-muted); font-size:14.5px; }
.footer-col a:hover{ color:var(--cyan); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:26px; border-top:1px solid var(--border);
  flex-wrap:wrap; gap:12px;
  font-size:13px; color:var(--text-dim);
}

/* ===========================================================
   Scroll reveal
   =========================================================== */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1);
}
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}