/* =========================================================
   НЕЙРОНИЯ — единая дизайн-система
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --bg:            #060a09;
  --bg-alt:        #0a1512;
  --paper:         #0c1613;
  --paper-line:    #163127;
  --green:         #3dffa0;
  --green-soft:    #1f7a52;
  --green-dim:     rgba(61,255,160,0.18);
  --purple:        #8a5cff;
  --purple-dim:    rgba(138,92,255,0.22);
  --danger:        #ff4d5e;
  --danger-dim:    rgba(255,77,94,0.15);
  --text:          #e4f7ec;
  --text-dim:      #7fa895;
  --text-faint:    #4c6b5d;

  --font-display:  'Orbitron', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --radius: 2px;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  min-height:100vh;
  position:relative;
  overflow-x:hidden;
}

/* subtle scanline / grid atmosphere across whole site */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:1;
  background-image:
    linear-gradient(rgba(61,255,160,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,255,160,0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mix-blend-mode: screen;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button, input, select, textarea{ font-family:inherit; }

::selection{ background:var(--green); color:#04120a; }

/* ---------------- utility ---------------- */
.wrap{ max-width:1080px; margin:0 auto; padding:0 28px; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.25em;
  text-transform:uppercase;
  color:var(--green);
  opacity:.85;
}
.glow-text{ text-shadow:0 0 12px rgba(61,255,160,.55), 0 0 32px rgba(61,255,160,.25); }

/* ---------------- glitch headline ---------------- */
.glitch{
  position:relative;
  display:inline-block;
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:.06em;
  color:var(--text);
  text-shadow:0 0 14px rgba(61,255,160,.5);
}
.glitch::before,
.glitch::after{
  content:attr(data-text);
  position:absolute; left:0; top:0;
  width:100%; height:100%;
  overflow:hidden;
  background:transparent;
}
.glitch::before{
  color:var(--purple);
  transform:translate(-2px,0);
  clip-path: polygon(0 3%, 100% 3%, 100% 38%, 0 38%);
  animation: glitchTop 4.5s infinite steps(1);
}
.glitch::after{
  color:var(--green);
  transform:translate(2px,0);
  clip-path: polygon(0 62%, 100% 62%, 100% 97%, 0 97%);
  animation: glitchBottom 4.5s infinite steps(1);
}
@keyframes glitchTop{
  0%,88%,100%{ transform:translate(-2px,0); opacity:.7; }
  90%{ transform:translate(3px,-1px); opacity:.9; }
  92%{ transform:translate(-4px,1px); opacity:.5; }
  94%{ transform:translate(2px,0); opacity:.85; }
}
@keyframes glitchBottom{
  0%,89%,100%{ transform:translate(2px,0); opacity:.7; }
  91%{ transform:translate(-3px,1px); opacity:.9; }
  93%{ transform:translate(4px,-1px); opacity:.5; }
  95%{ transform:translate(-2px,0); opacity:.85; }
}

/* ---------------- header / nav ---------------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:linear-gradient(180deg, rgba(6,10,9,.96), rgba(6,10,9,.86));
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--paper-line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand svg{ width:34px; height:34px; filter:drop-shadow(0 0 6px rgba(61,255,160,.6)); flex-shrink:0; }
.brand-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:17px;
  letter-spacing:.22em;
  color:var(--text);
}
.brand-tag{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.15em;
  color:var(--text-faint);
  display:block;
  margin-top:2px;
}

.main-nav{ display:flex; gap:6px; flex-wrap:wrap; }
.main-nav a{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--text-dim);
  padding:9px 14px;
  border:1px solid transparent;
  border-radius:var(--radius);
  transition:all .2s ease;
  white-space:nowrap;
}
.main-nav a:hover{
  color:var(--green);
  border-color:var(--green-soft);
  background:var(--green-dim);
}
.main-nav a.active{
  color:var(--green);
  border-color:var(--green-soft);
  background:var(--green-dim);
  text-shadow:0 0 8px rgba(61,255,160,.6);
}

.nav-toggle{ display:none; }

@media (max-width:820px){
  .main-nav{
    position:fixed; top:76px; left:0; right:0;
    flex-direction:column; gap:0;
    background:var(--bg-alt);
    border-bottom:1px solid var(--paper-line);
    max-height:0; overflow:hidden;
    transition:max-height .25s ease;
  }
  .main-nav.open{ max-height:400px; }
  .main-nav a{ padding:16px 24px; border-radius:0; border-bottom:1px solid var(--paper-line); }
  .nav-toggle{
    display:block; background:none; border:1px solid var(--paper-line);
    color:var(--green); width:40px; height:40px; cursor:pointer;
    font-family:var(--font-mono); font-size:16px;
  }
}

/* ---------------- footer ---------------- */
.site-footer{
  border-top:1px solid var(--paper-line);
  margin-top:80px;
  padding:32px 0 40px;
  position:relative; z-index:2;
}
.site-footer .wrap{ display:flex; flex-direction:column; gap:14px; }
.footer-emblem{ display:flex; align-items:center; gap:10px; opacity:.7; }
.footer-emblem svg{ width:20px; height:20px; }
.footer-emblem span{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.15em; color:var(--text-faint);
}
.fine-print{
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.7;
  color:var(--text-faint);
  max-width:820px;
}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:14px 26px;
  border:1px solid var(--green-soft);
  border-radius:var(--radius);
  color:var(--green);
  background:var(--green-dim);
  cursor:pointer;
  transition:all .2s ease;
}
.btn:hover{
  background:rgba(61,255,160,.28);
  box-shadow:0 0 22px rgba(61,255,160,.35);
  transform:translateY(-1px);
}
.btn:active{ transform:translateY(0); }
.btn-ghost{
  background:transparent; color:var(--text-dim); border-color:var(--paper-line);
}
.btn-ghost:hover{ color:var(--text); border-color:var(--text-dim); background:rgba(255,255,255,.03); box-shadow:none; }
.btn-danger{
  border-color:rgba(255,77,94,.5); color:var(--danger); background:var(--danger-dim);
}
.btn-danger:hover{ background:rgba(255,77,94,.28); box-shadow:0 0 22px rgba(255,77,94,.3); }
.btn[disabled]{ opacity:.5; cursor:not-allowed; transform:none !important; box-shadow:none !important; }

/* ---------------- page hero (inner pages) ---------------- */
.page-hero{
  padding:64px 0 40px;
  position:relative; z-index:2;
  border-bottom:1px solid var(--paper-line);
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  margin-top:10px;
}
.page-hero p{
  color:var(--text-dim);
  max-width:620px;
  margin-top:14px;
  font-size:15px;
}

/* ---------------- energy flow svg overlay ---------------- */
.flow-layer{ position:absolute; inset:0; pointer-events:none; z-index:1; }
.flow-line{ fill:none; stroke-linecap:round; opacity:.55; }
.flow-green{ stroke:var(--green); filter:drop-shadow(0 0 6px rgba(61,255,160,.7)); }
.flow-purple{ stroke:var(--purple); filter:drop-shadow(0 0 6px rgba(138,92,255,.7)); }
.flow-dash{ stroke-dasharray:14 26; animation:flowMove 6s linear infinite; }
.flow-dash.slow{ animation-duration:10s; }
.flow-dash.rev{ animation-direction:reverse; }
@keyframes flowMove{ to{ stroke-dashoffset:-400; } }

/* pulse glow ambient */
.pulse{ animation:pulseGlow 3.6s ease-in-out infinite; }
@keyframes pulseGlow{
  0%,100%{ text-shadow:0 0 10px rgba(61,255,160,.4), 0 0 28px rgba(61,255,160,.18); }
  50%{ text-shadow:0 0 18px rgba(61,255,160,.75), 0 0 46px rgba(61,255,160,.35); }
}

/* ---------------- forms ---------------- */
.terminal-card{
  background:var(--paper);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  padding:34px clamp(20px,4vw,44px);
  position:relative;
  z-index:2;
}
.terminal-card::before{
  content:"";
  position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, transparent, var(--green), var(--purple), transparent);
  opacity:.7;
}
.field{ margin-bottom:22px; }
.field label{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--text-dim);
  margin-bottom:8px;
}
.field input,
.field select{
  width:100%;
  background:var(--bg-alt);
  border:1px solid var(--paper-line);
  color:var(--text);
  font-family:var(--font-mono);
  font-size:14px;
  padding:13px 14px;
  border-radius:var(--radius);
  outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.field input:focus,
.field select:focus{
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(61,255,160,.15);
}
.field input::placeholder{ color:var(--text-faint); }
.field-row{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px; }
.field-hint{ font-size:11px; color:var(--text-faint); margin-top:6px; font-family:var(--font-mono); }
.code-input{ letter-spacing:.14em; font-size:16px !important; }

@media (max-width:600px){
  .field-row{ grid-template-columns:1fr; }
}

/* response panel after submit */
.response-panel{
  display:none;
  margin-top:26px;
  border:1px solid rgba(255,77,94,.4);
  background:var(--danger-dim);
  border-radius:var(--radius);
  padding:22px 24px;
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1.8;
  color:#ffd7db;
}
.response-panel.show{ display:block; animation:panelIn .4s ease; }
.response-panel strong{ color:var(--danger); }
@keyframes panelIn{ from{ opacity:0; transform:translateY(-6px);} to{ opacity:1; transform:translateY(0);} }

.lock-icon{ width:52px; height:52px; margin-bottom:18px; filter:drop-shadow(0 0 10px rgba(255,77,94,.5)); }

/* gate block (Цифровой завет) */
.gate{
  text-align:center;
  max-width:560px;
  margin:0 auto;
}
.gate .eyebrow{ color:var(--danger); }

/* ---------------- floating chip-not-found banner ---------------- */
.chip-banner{
  position:fixed;
  left:50%;
  bottom:24px;
  transform:translate(-50%, 140%);
  z-index:100;
  max-width:min(92vw, 460px);
  background:var(--paper);
  border:1px solid rgba(255,77,94,.55);
  border-radius:var(--radius);
  padding:16px 18px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  box-shadow:0 8px 40px rgba(0,0,0,.6), 0 0 24px rgba(255,77,94,.15);
  transition:transform .5s cubic-bezier(.16,1,.3,1);
}
.chip-banner.visible{ transform:translate(-50%, 0); }
.chip-banner .dot{
  width:9px; height:9px; border-radius:50%;
  background:var(--danger); margin-top:6px; flex-shrink:0;
  box-shadow:0 0 8px var(--danger);
  animation:dotBlink 1.2s ease-in-out infinite;
}
@keyframes dotBlink{ 50%{ opacity:.25; } }
.chip-banner p{
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  color:var(--text);
}
.chip-banner a{ color:var(--green); text-decoration:underline; }
.chip-banner button{
  background:none; border:none; color:var(--text-faint);
  cursor:pointer; font-size:16px; line-height:1; padding:2px;
  flex-shrink:0;
}

/* ---------------- hub hero (index) ---------------- */
.hero{ position:relative; overflow:hidden; min-height:92vh; display:flex; align-items:flex-end; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-bg img{
  width:100%; height:100%; object-fit:cover; object-position:center 35%;
  filter:saturate(1.15) contrast(1.05);
}
.hero-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(6,10,9,.35) 0%, rgba(6,10,9,.55) 45%, rgba(6,10,9,.97) 92%),
    linear-gradient(90deg, rgba(6,10,9,.75) 0%, rgba(6,10,9,.15) 30%, rgba(6,10,9,.15) 70%, rgba(6,10,9,.75) 100%);
}
.hero-content{ position:relative; z-index:2; padding-bottom:64px; padding-top:120px; width:100%; }
.hero-content h1{
  font-family:var(--font-display);
  font-size:clamp(28px,5vw,52px);
  font-weight:900;
  letter-spacing:.03em;
  line-height:1.15;
  margin-top:14px;
  max-width:820px;
}
.hero-sub{
  font-size:16px;
  color:var(--text-dim);
  margin-top:16px;
  max-width:460px;
}

.hero-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:44px;
  max-width:820px;
}
.hub-card{
  display:flex; flex-direction:column; gap:6px;
  background:rgba(9,17,15,.72);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  padding:20px 20px 22px;
  backdrop-filter:blur(4px);
  transition:all .25s ease;
  position:relative;
  overflow:hidden;
}
.hub-card::after{
  content:"";
  position:absolute; left:0; bottom:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--green), var(--purple));
  transform:scaleX(0); transform-origin:left;
  transition:transform .3s ease;
}
.hub-card:hover{
  border-color:var(--green-soft);
  background:rgba(9,17,15,.9);
  transform:translateY(-3px);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.hub-card:hover::after{ transform:scaleX(1); }
.hub-card-index{
  font-family:var(--font-mono); font-size:10px; letter-spacing:.18em;
  color:var(--purple); text-transform:uppercase;
}
.hub-card-title{
  font-family:var(--font-display); font-size:19px; font-weight:700;
  letter-spacing:.02em; color:var(--text);
}
.hub-card-desc{ font-size:13px; color:var(--text-dim); line-height:1.5; }

@media (max-width:600px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero{ min-height:100vh; }
}

/* ---------------- statute (zavet) ---------------- */
.statute{ position:relative; z-index:2; padding:20px 0 40px; }
.statute-list{ display:flex; flex-direction:column; gap:2px; }
.statute-card{
  display:grid;
  grid-template-columns:90px 1fr;
  gap:24px;
  padding:26px 0;
  border-bottom:1px solid var(--paper-line);
}
.statute-num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--purple);
  padding-top:3px;
}
.statute-body h2{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:700;
  color:var(--green);
  margin-bottom:10px;
  letter-spacing:.01em;
}
.statute-body p{
  font-size:14.5px;
  color:var(--text-dim);
  margin-bottom:8px;
}
.statute-body p:last-child{ margin-bottom:0; }
.statute-quote{
  font-family:var(--font-mono);
  color:var(--green) !important;
  font-style:normal;
  margin-top:12px !important;
}
.statute-note{
  font-family:var(--font-mono);
  font-size:12px !important;
  color:var(--text-faint) !important;
}
.statute-seal{
  text-align:center;
  padding:44px 0 20px;
}
.statute-seal p{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.3em;
  color:var(--green);
  text-shadow:0 0 10px rgba(61,255,160,.5);
}

@media (max-width:600px){
  .statute-card{ grid-template-columns:1fr; gap:8px; }
}

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