/* ============================================================
   ООО «В-Тех» — АКС БПЛА
   Тема «Инженерный контур» (industrial / mission control)

   styles.css  — базовая сетка, типографика-скелет и адаптив
   theme.css   — визуальная идентиность: тёмный графит, техно-циан,
                 моноширинные метки, HUD-панели, сетка-чертёж
   ============================================================ */

:root{
  --ink:#e9f3f8;
  --muted:#83a0b1;
  --line:#1b303c;
  --paper:#070d12;
  --soft:#0a141a;
  --sky:#0d1c25;
  --blue:#2b9dff;
  --blue-2:#4cc7ff;
  --mint:#2fe3c4;
  --mint-dark:#12b8a6;
  --navy:#071018;
  --panel:#0d1a22;
  --panel-2:#101f28;
  --steel:#1f4453;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,"Liberation Mono",monospace;
  --shadow:0 22px 60px rgba(0,0,0,.55);
  --radius-xl:14px;
  --radius-lg:12px;
  --radius-md:10px;
}

body{background:var(--paper);color:var(--ink)}

/* Фон: инженерная сетка + холодные засветки */
body:before{
  opacity:1;
  background-image:
    linear-gradient(rgba(47,227,196,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,227,196,.045) 1px,transparent 1px),
    radial-gradient(circle at 84% 4%,rgba(43,157,255,.16),transparent 44%),
    radial-gradient(circle at 4% 94%,rgba(47,227,196,.10),transparent 40%);
  background-size:64px 64px,64px 64px,100% 100%,100% 100%;
}

::selection{background:var(--mint);color:#04140f}

/* Тёмная схема для системных элементов и скроллбара */
html{color-scheme:dark}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:#070d12}
::-webkit-scrollbar-thumb{background:#1e3b46;border:2px solid #070d12;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--mint)}

h1,h2{font-weight:800}
h1{letter-spacing:-.04em}
h2{letter-spacing:-.035em;max-width:900px}
h3{letter-spacing:-.01em}

.section-intro{color:var(--muted)}

/* Разделители секций — тонкая техническая линия */
section + section{border-top:1px solid rgba(27,48,60,.8)}

/* Метка-«шильдик»: моноширинный код вместо мягкой пилюли */
.eyebrow{
  color:var(--mint);
  background:rgba(47,227,196,.07);
  border:1px solid rgba(47,227,196,.32);
  border-radius:6px;
  font-family:var(--mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.13em;
  padding:9px 13px;
}
.eyebrow:before{
  width:7px;
  height:7px;
  border-radius:1px;
  background:var(--mint);
  box-shadow:0 0 12px var(--mint);
}

/* ================= ШАПКА И НАВИГАЦИЯ ================= */
.site-header{
  background:rgba(7,13,18,.86);
  border-bottom:1px solid rgba(47,227,196,.16);
}
.nav-wrap{min-height:74px}
.brand img{box-shadow:0 0 0 1px rgba(47,227,196,.28),0 10px 26px rgba(0,0,0,.5)}
.brand span small{
  color:var(--mint);
  font-family:var(--mono);
  letter-spacing:.16em;
  font-size:10px;
}
.nav-links{color:#9fbccb;font-size:14px;font-weight:700}
.nav-links a{padding:6px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover{color:var(--mint);border-bottom-color:rgba(47,227,196,.5)}
.menu-toggle{
  color:var(--mint);
  background:rgba(47,227,196,.06);
  border:1px solid rgba(47,227,196,.3);
  border-radius:10px;
}

/* ================= КНОПКИ ================= */
.btn{
  border-radius:8px;
  min-height:50px;
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.btn-primary{
  color:#03130f;
  background:linear-gradient(135deg,var(--mint),#12b8a6);
  box-shadow:0 14px 34px rgba(47,227,196,.26);
}
.btn-primary:hover{box-shadow:0 18px 42px rgba(47,227,196,.36)}
.btn-secondary{
  color:var(--mint);
  background:rgba(47,227,196,.05);
  border:1px solid rgba(47,227,196,.42);
}
.btn-secondary:hover{background:rgba(47,227,196,.12)}

/* ================= ПЕРВЫЙ ЭКРАН ================= */
.hero{
  background:linear-gradient(180deg,#08131a,#070d12 72%),
             radial-gradient(circle at 78% 6%,rgba(47,227,196,.16),transparent 42%);
  padding:64px 0 84px;
}
.hero:after{
  border:1px solid rgba(47,227,196,.18);
  box-shadow:0 0 0 45px rgba(47,227,196,.03),0 0 0 90px rgba(43,157,255,.03);
}
.support-strip{
  background:rgba(11,22,29,.88);
  border:1px solid rgba(47,227,196,.22);
  border-radius:12px;
  box-shadow:0 18px 44px rgba(0,0,0,.45);
}
.support-logos{border-right:1px solid rgba(47,227,196,.16)}
.support-logo-card{background:#eef6f9;border-radius:8px}
.support-text{color:#a9c2d1;font-weight:600}
.hero-copy .lead{color:#a9c2d1;max-width:640px}

.hero-points span{
  color:#bfe6dd;
  background:rgba(11,22,29,.85);
  border:1px solid rgba(47,227,196,.22);
  border-radius:6px;
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.hero-points span:before{
  color:var(--mint);
  background:rgba(47,227,196,.14);
  border-radius:3px;
}

/* ================= HUD-ПАНЕЛЬ КОМПЛЕКСА ================= */
.app-window{
  background:#0a141d;
  border:1px solid rgba(47,227,196,.22);
  border-radius:14px;
  box-shadow:0 30px 80px rgba(0,0,0,.62),0 0 0 1px rgba(47,227,196,.05);
  transform:perspective(1200px) rotateY(-3deg) rotateX(1deg);
}
.app-topbar{background:#0d1a23;border-bottom:1px solid rgba(47,227,196,.14)}
.window-dots i{background:#1f4453}
.window-dots i:first-child{background:var(--mint);box-shadow:0 0 10px rgba(47,227,196,.7)}
.app-body{grid-template-columns:112px 1fr}
.app-side{background:#08121a;border-right:1px solid rgba(47,227,196,.12)}
.side-logo{background:linear-gradient(135deg,var(--mint),var(--blue));border-radius:8px}
.side-item{background:#152733}
.side-item.active{background:rgba(47,227,196,.1);box-shadow:inset 3px 0 0 var(--mint);border-radius:6px}
.app-main{background:#0b1620}
.fake-title{background:#2b4d5e}
.fake-subtitle{background:#1a2f39}
.status-pill{
  color:var(--mint);
  background:rgba(47,227,196,.1);
  border:1px solid rgba(47,227,196,.34);
  font-family:var(--mono);
  letter-spacing:.06em;
  text-transform:uppercase;
}
.metric{background:#0e1c26;border:1px solid rgba(47,227,196,.14);border-radius:10px}
.metric-icon{background:rgba(47,227,196,.12);border-radius:6px}
.metric small{color:#7f9aab}
.chart-card,.tasks-card{background:#0e1c26;border:1px solid rgba(47,227,196,.14);border-radius:10px}
.chart-bars{border-bottom:1px solid rgba(47,227,196,.14)}
.chart-bars i{background:linear-gradient(180deg,var(--mint),rgba(43,157,255,.55));opacity:1;border-radius:4px 4px 2px 2px}
.task-row{border-bottom:1px solid rgba(47,227,196,.1)}
.task-check{background:rgba(47,227,196,.14);box-shadow:inset 0 0 0 5px #0e1c26,0 0 0 1px var(--mint);border-radius:4px}
.task-lines:before{background:#1e3542}
.task-lines:after{background:#152733}
.floating-card{
  background:rgba(9,18,24,.92);
  border:1px solid rgba(47,227,196,.32);
  border-radius:10px;
  box-shadow:0 18px 44px rgba(0,0,0,.55);
}
.floating-card b{color:var(--mint);font-family:var(--mono);font-size:19px;letter-spacing:-.01em}
.floating-card small{color:var(--muted)}

/* ================= О КОМПАНИИ ================= */
.info-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:0 18px 46px rgba(0,0,0,.4);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,227,196,.45);
  box-shadow:0 24px 56px rgba(0,0,0,.5),0 0 0 1px rgba(47,227,196,.16);
}
.info-card:after{background:linear-gradient(135deg,rgba(47,227,196,.14),transparent 68%)}
.info-card p{color:var(--muted)}
.icon-box{
  color:var(--mint);
  background:rgba(47,227,196,.08);
  border:1px solid rgba(47,227,196,.26);
  border-radius:10px;
}
.flow-strip{
  background:linear-gradient(135deg,#0b1a22,#0e2831);
  border:1px solid rgba(47,227,196,.2);
  border-radius:var(--radius-lg);
}
.flow-node{
  color:#d3ece6;
  background:rgba(47,227,196,.06);
  border:1px solid rgba(47,227,196,.24);
  border-radius:8px;
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
}
.flow-arrow{color:var(--mint)}

/* ================= ПРЕИМУЩЕСТВА ================= */
.benefit-feature{
  background:linear-gradient(160deg,#0d1c25,#0a161d);
  border:1px solid rgba(47,227,196,.2);
  border-radius:var(--radius-xl);
}
.benefit-feature h3{color:var(--ink)}
.benefit-feature p{color:var(--muted)}
.benefit-visual{
  max-width:520px;
  margin:26px auto 0;
  padding:10px;
  background:rgba(8,18,26,.55);
  border:1px solid rgba(47,227,196,.2);
  border-radius:12px;
}
.benefit-visual img{width:100%;height:auto;border-radius:8px}
.benefits-grid{grid-auto-rows:minmax(177px,1fr)}
.benefit-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.benefit-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,227,196,.42);
  box-shadow:0 22px 52px rgba(0,0,0,.45);
}
.benefit-card p{color:var(--muted)}
.benefit-card.featured{
  background:linear-gradient(150deg,rgba(47,227,196,.16),rgba(43,157,255,.1));
  border:1px solid rgba(47,227,196,.5);
}
.benefit-card.featured p{color:#c8e6df}
.benefit-mark{
  color:var(--mint);
  background:rgba(47,227,196,.1);
  border:1px solid rgba(47,227,196,.28);
  border-radius:8px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:-.01em;
  padding:0 6px;
}
.featured .benefit-mark{color:#03130f;background:var(--mint)}

/* ================= СПЕЦПРЕДЛОЖЕНИЕ ================= */
.offer-wrap{
  background:linear-gradient(140deg,#08131a 0%,#0c2530 58%,#0e3a40 100%);
  border:1px solid rgba(47,227,196,.26);
  border-radius:var(--radius-xl);
  box-shadow:0 26px 70px rgba(0,0,0,.55);
}
.offer-wrap:after{
  content:"АУДИТ";
  color:rgba(47,227,196,.07);
  font-family:var(--mono);
  font-size:160px;
  font-weight:800;
  letter-spacing:-.04em;
  top:-52px;
  right:-14px;
}
.offer-wrap p{color:#9fbccb}
.discount b{color:var(--mint);text-shadow:0 0 44px rgba(47,227,196,.4)}
.offer-list{gap:10px}
.offer-item{
  color:#d6ece7;
  background:rgba(47,227,196,.06);
  border:1px solid rgba(47,227,196,.2);
  border-radius:8px;
  font-family:var(--mono);
  font-size:12.5px;
  font-weight:600;
}
.offer-item:before{color:#03130f;background:var(--mint);border-radius:3px}

/* ================= ОБСУЖДЕНИЕ ПРОЕКТА ================= */
.cta{background:#08121a}
.cta-copy{
  background:linear-gradient(150deg,#0a1a24,#0e3038);
  border:1px solid rgba(47,227,196,.24);
  border-radius:var(--radius-xl);
}
.cta-copy h2{color:var(--ink)}
.cta-copy p{color:#9fbccb}
.cta-contacts{color:#cfeae4}
.cta-copy .cta-mail a{color:var(--mint)}
.cta-visual{background:rgba(47,227,196,.05);border:1px solid rgba(47,227,196,.18);border-radius:12px}

/* ================= ПОДВАЛ ================= */
.footer{
  color:#8fa9b8;
  background:#04090d;
  border-top:1px solid rgba(47,227,196,.14);
}
.funding-footer{border-bottom:1px solid rgba(47,227,196,.12)}
.funding-logo{background:#eef6f9;border-radius:8px}
.funding-text{color:#8fa9b8}
.footer-brand{color:var(--ink)}
.footer-brand img{box-shadow:0 0 0 1px rgba(47,227,196,.25)}

/* ================= УВЕДОМЛЕНИЕ ================= */
/* ================= УВЕДОМЛЕНИЕ ================= */
.toast{
  color:var(--ink);
  background:#0d1c25;
  border:1px solid rgba(47,227,196,.4);
  border-radius:10px;
  box-shadow:0 20px 50px rgba(0,0,0,.6);
}

/* ================= ИЗОБРАЖЕНИЯ И ПАНЕЛИ ================= */
.panel-caption{
  color:var(--muted);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.cell-view{width:100%;height:auto;border-radius:6px}
.panel-title{color:var(--ink);font-size:15px;font-weight:800;letter-spacing:-.01em}
.panel-subtitle{color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;margin-top:4px}
.task-text{flex:1;color:#a9c2d1;font-family:var(--mono);font-size:10.5px}

.scheme-figure{
  margin:0 0 18px;
  padding:10px;
  background:#08121a;
  border:1px solid rgba(47,227,196,.24);
  border-radius:var(--radius-lg);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.scheme-figure img{width:100%;height:auto;border-radius:8px}
.scheme-specs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.spec{
  display:grid;
  gap:6px;
  padding:16px 18px;
  background:var(--panel);
  border:1px solid var(--line);
  border-left:2px solid rgba(47,227,196,.55);
  border-radius:10px;
}
.spec-key{color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase}
.spec-val{color:var(--ink);font-size:15px;font-weight:700}

@media (max-width:1050px){
  .scheme-specs{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .scheme-figure{padding:6px}
  .scheme-specs{grid-template-columns:1fr}
}

/* ================= АДАПТАЦИЯ КОНТЕНТА ================= */
.hero-copy h1{font-size:clamp(34px,4.4vw,58px);max-width:640px}
.brand img,.footer-brand img{object-fit:cover}
.discount{flex-wrap:wrap;gap:10px}
.discount b{font-size:72px}

/* ================= АДАПТИВ ================= */
@media (max-width:1050px){
  .nav-links{
    background:#0b1620;
    border:1px solid rgba(47,227,196,.24);
    box-shadow:0 26px 60px rgba(0,0,0,.6);
    border-radius:12px;
  }
  .nav-links a{padding:6px 0;border-bottom:1px solid rgba(47,227,196,.12)}
  .nav-links a:hover{border-bottom-color:transparent}
}

@media (max-width:760px){
  .hero{padding:40px 0 62px}
  .hero-copy h1{font-size:40px}
  .support-logos{border-right:0}
  .app-window{transform:none}
  .app-body{grid-template-columns:84px 1fr}
  .offer-wrap:after{font-size:120px;top:-34px}
}

@media (max-width:470px){
  .hero-copy h1{font-size:33px}
  .offer-wrap:after{font-size:88px;top:-22px;right:-8px}
  .discount b{font-size:52px}
}