/* ═══════════════════════════════════════════════════════════════
   ЭКОСИСТЕМА АВАНГРАД — bridge console
   Тема: mission control / лёгкий футуризм. Ноль внешних ресурсов.
   ═══════════════════════════════════════════════════════════════ */

:root{
  --bg:#04060d; --bg2:#070b15; --panel:#0a1020; --panel2:#0e1526;
  --line:#182338; --line2:#243450; --grid:rgba(53,225,210,.045);
  --txt:#c6d4ea; --dim:#6a7994; --faint:#3a465e;
  --cyan:#35e1d2; --cyan2:#7af0e6; --cyan-d:#159a90;
  --amber:#ffb454; --green:#49e6a2; --red:#ff5d6c;
  --glow:0 0 18px rgba(53,225,210,.35);
  --glow-s:0 0 8px rgba(53,225,210,.4);
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular","SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --edge:22px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); background:var(--bg); color:var(--txt);
  line-height:1.6; overflow-x:hidden; min-height:100vh;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  position:relative;
}
a{color:inherit;text-decoration:none}
b{font-weight:700}

/* ── фоновые слои ─────────────────────────────────────────── */
.bg-grid,.bg-nebula,.bg-scan,.bg-noise{position:fixed;inset:0;pointer-events:none;z-index:0}
.bg-grid{
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),
                   linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 120% 90% at 50% 0%,#000 35%,transparent 92%);
  -webkit-mask-image:radial-gradient(ellipse 120% 90% at 50% 0%,#000 35%,transparent 92%);
}
.bg-nebula{
  background:
    radial-gradient(60% 45% at 78% 8%,rgba(53,225,210,.10),transparent 60%),
    radial-gradient(50% 40% at 12% 22%,rgba(80,120,255,.08),transparent 60%),
    radial-gradient(70% 60% at 50% 108%,rgba(255,180,84,.05),transparent 55%);
  filter:saturate(1.05);
}
.bg-scan{
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.012) 0 1px,transparent 1px 3px);
  opacity:.5; mix-blend-mode:overlay;
}
.bg-noise{opacity:.025;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ── HUD рамка ────────────────────────────────────────────── */
.hud{position:fixed;inset:0;z-index:40;pointer-events:none}
.hud-corner{position:absolute;width:26px;height:26px;border:2px solid var(--cyan-d);opacity:.55}
.hud-corner.tl{top:14px;left:14px;border-right:0;border-bottom:0}
.hud-corner.tr{top:14px;right:14px;border-left:0;border-bottom:0}
.hud-corner.bl{bottom:14px;left:14px;border-right:0;border-top:0}
.hud-corner.br{bottom:14px;right:14px;border-left:0;border-top:0}
.hud-rail{
  position:absolute;bottom:20px;font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;
  color:var(--faint);text-transform:uppercase;white-space:nowrap;
  writing-mode:vertical-rl;
}
.hud-rail.left{left:20px;transform:rotate(180deg)}
.hud-rail.right{right:20px}
@media(max-width:760px){.hud-rail{display:none}.hud-corner{width:18px;height:18px}}

/* ── layout ───────────────────────────────────────────────── */
.topbar,main{position:relative;z-index:10}
main{max-width:1180px;margin:0 auto;padding:0 var(--edge)}

/* ── верхняя панель ───────────────────────────────────────── */
.topbar{
  max-width:1180px;margin:0 auto;padding:20px var(--edge);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-glyph{width:30px;height:30px;color:var(--cyan);filter:drop-shadow(var(--glow-s))}
.brand-txt{font-family:var(--mono);font-size:14px;letter-spacing:.12em;line-height:1}
.brand-txt b{color:var(--txt);font-weight:800}
.brand-txt i{color:var(--cyan-d);font-style:normal;margin-left:5px;font-size:12px}
.topstat{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11px;letter-spacing:.14em}
.topstat-txt{color:var(--dim)}
.topstat-sub{color:var(--faint);border-left:1px solid var(--line2);padding-left:9px}
.led{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 2.4s infinite}
@media(max-width:620px){.topstat-sub{display:none}}

/* ── HERO ─────────────────────────────────────────────────── */
.hero{padding:min(13vh,120px) 0 78px;text-align:center;position:relative}
.hero-eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.42em;color:var(--cyan-d);
  text-transform:uppercase;margin-bottom:26px;
}
.hero-title{
  font-family:var(--sans);font-weight:800;letter-spacing:.02em;line-height:.98;
  font-size:clamp(38px,8.4vw,104px);display:flex;flex-direction:column;align-items:center;gap:.04em;
}
.hero-title span{background:linear-gradient(180deg,#eef4ff,#9fb2cf);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-title .accent{
  background:linear-gradient(180deg,var(--cyan2),var(--cyan-d));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(53,225,210,.32));
}
.hero-tagline{
  font-weight:700;color:var(--cyan2);font-size:clamp(15px,2.3vw,22px);letter-spacing:.04em;
  margin-top:14px;filter:drop-shadow(0 0 16px rgba(53,225,210,.3));
}
.hero-manifest{
  position:relative;max-width:780px;margin:32px auto 0;padding:32px 40px 30px;
  background:linear-gradient(160deg,rgba(14,21,38,.55),rgba(7,11,21,.30));
  border:1px solid var(--line);border-radius:5px;
}
.hero-manifest .c-corner{opacity:.55}
.hero-manifest-tag{
  position:absolute;top:-7px;left:26px;background:var(--bg);padding:0 9px;
  font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--cyan-d);
}
.hero-lead{
  max-width:none;margin:0;color:var(--txt);font-size:clamp(15px,1.75vw,18px);
  line-height:1.85;
}
@media(max-width:620px){.hero-manifest{padding:26px 22px 24px}}
.hero-telemetry{
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:40px auto 0;max-width:640px;
}
.tl-item{
  display:flex;flex-direction:column;gap:5px;padding:11px 20px;min-width:112px;
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:3px;position:relative;
}
.tl-item::before{content:"";position:absolute;top:0;left:0;width:8px;height:1px;background:var(--cyan);box-shadow:var(--glow-s)}
.tl-item i{font-family:var(--mono);font-style:normal;font-size:9.5px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase}
.tl-item b{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--txt)}
.tl-item b.ok{color:var(--green)}
.hero-scroll{
  display:inline-flex;align-items:center;gap:8px;margin-top:52px;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.28em;color:var(--dim);text-transform:uppercase;
  transition:color .2s;
}
.hero-scroll:hover{color:var(--cyan)}
.hero-scroll svg{width:16px;height:16px;animation:bob 2s infinite}

/* ── секция модулей ───────────────────────────────────────── */
.modules{padding:20px 0 70px}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:30px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.sec-head h2{font-family:var(--mono);font-size:clamp(15px,2.4vw,20px);font-weight:700;letter-spacing:.16em;color:var(--txt)}
.sec-count{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--cyan-d);margin-left:auto}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:720px){.grid{grid-template-columns:1fr}}

.card{
  position:relative;display:flex;flex-direction:column;padding:24px 24px 20px;cursor:pointer;overflow:hidden;
  background:linear-gradient(160deg,var(--panel2),var(--bg2) 80%);
  border:1px solid var(--line);border-radius:4px;
  transition:border-color .25s,transform .25s,box-shadow .25s;
  outline:none;
}
.card.wide{grid-column:1/-1}
.card::after{ /* scan sweep on hover */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 40%,rgba(53,225,210,.07) 50%,transparent 60%);
  transform:translateX(-120%);transition:transform .7s ease;
}
.card:hover,.card:focus-visible{border-color:var(--cyan-d);transform:translateY(-3px);box-shadow:0 12px 40px -18px rgba(53,225,210,.5),inset 0 0 0 1px rgba(53,225,210,.12)}
.card:hover::after,.card:focus-visible::after{transform:translateX(120%)}
.c-corner{position:absolute;width:14px;height:14px;border:1.5px solid var(--cyan-d);opacity:0;transition:opacity .25s}
.c-corner.tl{top:9px;left:9px;border-right:0;border-bottom:0}
.c-corner.br{bottom:9px;right:9px;border-left:0;border-top:0}
.c-corner.tr{top:9px;right:9px;border-left:0;border-bottom:0}
.c-corner.bl{bottom:9px;left:9px;border-right:0;border-top:0}
.card:hover .c-corner,.card:focus-visible .c-corner{opacity:.7}
.c-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}
.c-icon{width:46px;height:46px;color:var(--cyan);filter:drop-shadow(var(--glow-s));transition:transform .3s}
.card:hover .c-icon{transform:scale(1.06)}
.c-status{font-family:var(--mono);font-size:9px;letter-spacing:.16em;padding:4px 8px;border-radius:2px;white-space:nowrap;border:1px solid;height:fit-content}
.c-status.op{color:var(--green);border-color:rgba(73,230,162,.35);background:rgba(73,230,162,.06)}
.c-status.dev{color:var(--amber);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.06)}
.c-code{font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;color:var(--cyan-d);margin-bottom:6px}
.c-name{font-size:22px;font-weight:700;color:var(--txt);letter-spacing:.01em;margin-bottom:10px}
.c-desc{color:var(--dim);font-size:14.5px;line-height:1.6;max-width:44ch}
.c-foot{display:flex;align-items:center;gap:7px;margin-top:20px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase;transition:color .25s}
.card:hover .c-foot,.card:focus-visible .c-foot{color:var(--cyan)}
.c-arr{width:15px;height:15px;transition:transform .25s}
.card:hover .c-arr{transform:translateX(4px)}
.c-actions{display:flex;align-items:stretch;gap:9px;margin-top:auto;padding-top:20px}
.btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;padding:11px 10px;border-radius:3px;cursor:pointer;transition:.2s;border:1px solid;text-decoration:none}
.btn-ghost{background:transparent;border-color:var(--line2);color:var(--dim)}
.btn-ghost:hover{border-color:var(--cyan-d);color:var(--cyan2)}
.btn-solid{background:linear-gradient(180deg,rgba(53,225,210,.14),rgba(53,225,210,.04));border-color:var(--cyan-d);color:var(--cyan2)}
.btn-solid:hover{background:var(--cyan);color:#04121a;box-shadow:var(--glow);border-color:var(--cyan)}
.btn.disabled{opacity:.4;pointer-events:none;border-color:var(--line2);color:var(--faint);background:var(--panel)}
.c-enter{display:inline-flex;align-items:center;justify-content:center;flex:0 0 42px;border:1px solid var(--line2);border-radius:3px;color:var(--dim);transition:.2s;text-decoration:none}
.c-enter svg{width:17px;height:17px}
.c-enter:hover{border-color:var(--cyan-d);color:var(--cyan2);box-shadow:var(--glow-s)}
.c-enter.disabled{opacity:.3;pointer-events:none}

/* ── FOOTER ───────────────────────────────────────────────── */
.closing{text-align:center;padding:16px 0 4px}
.closing-txt{font-family:var(--mono);font-size:13px;letter-spacing:.24em;color:var(--cyan2)}
.foot{padding:44px 0 80px}
.foot-line{height:1px;background:linear-gradient(90deg,transparent,var(--line2),transparent);margin-bottom:22px}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase}
.foot-grid b{color:var(--dim)}

/* ── МОДАЛКА ──────────────────────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(2,4,9,.82);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .28s,visibility .28s;
}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{
  position:relative;width:min(620px,100%);max-height:88vh;overflow-y:auto;overflow-x:hidden;
  background:linear-gradient(165deg,var(--panel2),var(--bg2));
  border:1px solid var(--line2);border-radius:5px;padding:30px 30px 26px;
  transform:translateY(16px) scale(.98);transition:transform .3s;
  box-shadow:0 40px 120px -30px rgba(0,0,0,.9),inset 0 0 0 1px rgba(53,225,210,.05);
}
.modal-overlay.open .modal{transform:none}
.modal .c-corner{opacity:.5}
.modal-scan{position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.6;animation:scanline 3.5s linear infinite}
.modal-x{
  position:absolute;top:16px;right:16px;background:transparent;border:1px solid var(--line2);
  color:var(--dim);font-family:var(--mono);font-size:10px;letter-spacing:.12em;padding:6px 9px;border-radius:2px;cursor:pointer;transition:.2s;
}
.modal-x:hover{color:var(--red);border-color:var(--red)}
.modal-head{display:flex;align-items:center;gap:16px;padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.modal-icon{width:52px;height:52px;color:var(--cyan);filter:drop-shadow(var(--glow-s));flex-shrink:0}
.modal-code{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--cyan-d);margin-bottom:4px}
.modal-name{font-size:26px;font-weight:700;color:var(--txt)}
.modal-head .c-status{margin-left:auto;align-self:flex-start}
.modal-lead{color:var(--cyan2);font-size:16px;line-height:1.6;margin-bottom:16px;font-weight:500}
.modal-text{color:var(--dim);font-size:15px;line-height:1.72;white-space:pre-line;margin-bottom:22px}
.modal-def{margin:0 0 20px}
.modal-def p{color:var(--dim);font-size:15px;line-height:1.62;margin-bottom:9px}
.modal-def p:last-child{margin-bottom:0}
.modal-def p.hl{color:var(--cyan2)}
.modal-feats{margin:2px 0 22px}
.modal-feats p{color:var(--dim);font-size:15px;line-height:1.6;margin-bottom:12px}
.modal-feats p:last-child{margin-bottom:0}
.modal-feats b{color:var(--cyan2);font-weight:600}
.modal-specs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.spec{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--txt);padding:5px 11px;background:var(--panel);border:1px solid var(--line2);border-radius:2px}
.spec::before{content:"▪ ";color:var(--cyan-d)}
.modal-foot{display:flex;align-items:stretch;gap:9px;flex-wrap:wrap}
.modal-foot .btn{flex:0 1 auto;padding-left:22px;padding-right:22px}
.m-action{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  padding:13px 24px;border-radius:3px;text-transform:uppercase;transition:.22s;cursor:pointer;
  background:linear-gradient(180deg,rgba(53,225,210,.14),rgba(53,225,210,.04));
  border:1px solid var(--cyan-d);color:var(--cyan2);
}
.m-action:hover{background:var(--cyan);color:#04121a;box-shadow:var(--glow);border-color:var(--cyan)}
.m-action svg{width:16px;height:16px}
.m-action.disabled{opacity:.4;pointer-events:none;border-color:var(--line2);color:var(--dim);background:var(--panel)}
.m-action.ghost{background:transparent;border-color:var(--line2);color:var(--dim)}
.m-action.ghost:hover{background:transparent;border-color:var(--cyan-d);color:var(--cyan2);box-shadow:none}

/* ── анимации ─────────────────────────────────────────────── */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}
@keyframes scanline{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .card::after,.modal-scan{display:none}
}