/* ===========================================================
   ALL LINE — КИПиА. Общий стиль. Индустриальная «точность».
   =========================================================== */
/* ДЕНЬ — красный на бежевом (светлая тема по умолчанию) */
:root{
  --bg:#ece1cd;
  --bg-2:#e4d7bd;
  --panel:#f7f1e3;
  --panel-2:#efe6d4;
  --line:#d8cbb0;
  --line-2:#c7b793;
  --ink:#2a1215;
  --muted:#6e5951;
  --faint:#9c8575;
  --cyan:#c81722;     /* основной красный (имена переменных сохранены) */
  --cyan-2:#9d101a;   /* глубокий красный */
  --amber:#b5392e;    /* тёплый акцент */
  --amber-2:#8f2a22;
  --danger:#c81722;
  --radius:16px;
  --radius-lg:22px;
  --shadow:0 24px 60px -30px rgba(90,20,25,.3);
  --glow:0 0 0 1px rgba(200,23,34,.28), 0 0 32px -8px rgba(200,23,34,.4);
  --sans:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,"Consolas",monospace;
  --scene:0;          /* 0 = светлая сцена, 1 = тёмная (читает scene.js) */
  color-scheme:light;
}
/* НОЧЬ — красный на чёрном (тёмная тема) */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0a0607; --bg-2:#0e0809; --panel:#150c0e; --panel-2:#1b1012;
    --line:#381d21; --line-2:#4d282d;
    --ink:#f6eaeb; --muted:#c29ca0; --faint:#8a6468;
    --cyan:#ff2e3f; --cyan-2:#cc1626; --amber:#ff6b74; --amber-2:#ff4a56; --danger:#ff5d6c;
    --shadow:0 24px 60px -30px rgba(0,0,0,.85);
    --glow:0 0 0 1px rgba(255,46,63,.28), 0 0 32px -8px rgba(255,46,63,.5);
    --scene:1;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0a0607; --bg-2:#0e0809; --panel:#150c0e; --panel-2:#1b1012;
  --line:#381d21; --line-2:#4d282d;
  --ink:#f6eaeb; --muted:#c29ca0; --faint:#8a6468;
  --cyan:#ff2e3f; --cyan-2:#cc1626; --amber:#ff6b74; --amber-2:#ff4a56; --danger:#ff5d6c;
  --shadow:0 24px 60px -30px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(255,46,63,.28), 0 0 32px -8px rgba(255,46,63,.5);
  --scene:1;
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    radial-gradient(120% 80% at 80% -10%, rgba(255,46,63,.1), transparent 55%),
    radial-gradient(90% 70% at 0% 0%, rgba(140,16,25,.1), transparent 50%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 100%);
  background-attachment:fixed;
}
/* фоновый водяной знак «ALL LINE» по всей площади — бледный, повторяющийся */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-color:var(--ink);opacity:.09;
  -webkit-mask:url(../assets/watermark.svg) repeat;mask:url(../assets/watermark.svg) repeat;
  -webkit-mask-size:104px 60px;mask-size:104px 60px;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;text-wrap:balance;line-height:1.08;font-family:var(--mono);letter-spacing:-.01em}
p{margin:0}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}

/* ── перспектива для 3D ── */
body{perspective:1600px}
.wrap{max-width:1200px;margin:0 auto;padding-inline:22px}

.eyebrow{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}

/* ── Шапка ── */
.top{
  position:sticky;top:0;z-index:80;
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
.top.scrolled{border-color:var(--line)}
.top-inner{display:flex;align-items:center;gap:22px;padding-block:15px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.04em;font-size:1.18rem;font-family:var(--mono)}
/* настоящий логотип ALL LINE (маска → красный по теме) */
.brand-logo{display:block;height:30px;width:76px;flex:none;background:var(--cyan);
  -webkit-mask:url(../assets/logo.svg) no-repeat left center;mask:url(../assets/logo.svg) no-repeat left center;
  -webkit-mask-size:contain;mask-size:contain;transition:background .3s}
.foot .brand-logo{height:34px;width:86px}
.brand .mark{
  width:34px;height:34px;border-radius:9px;position:relative;flex:none;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
  box-shadow:var(--glow);
}
.brand .mark::before{
  content:"";position:absolute;inset:7px;border:2px solid rgba(11,15,20,.85);border-radius:4px;
}
.brand .mark::after{
  content:"";position:absolute;left:50%;top:7px;bottom:7px;width:2px;background:rgba(11,15,20,.85);transform:translateX(-50%)
}
.brand b{color:var(--cyan)}
.brand span.sub{font-family:var(--mono);font-size:.6rem;letter-spacing:.3em;color:var(--faint);display:block;font-weight:500}

.nav{margin-inline:auto;display:flex;gap:2px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:5px}
.nav a{font-family:var(--mono);font-size:.8rem;font-weight:600;color:var(--muted);padding:9px 17px;border-radius:999px;transition:.2s}
.nav a:hover{color:var(--ink)}
.nav a.active{background:linear-gradient(135deg,var(--cyan),var(--cyan-2));color:#fff;box-shadow:var(--glow)}

.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-weight:600;font-size:.82rem;cursor:pointer;
  border-radius:999px;padding:11px 20px;border:1px solid var(--line-2);background:var(--panel);
  color:var(--ink);transition:transform .18s,box-shadow .18s,border-color .18s;
}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan-2)}
.btn.primary{background:linear-gradient(135deg,var(--cyan),var(--cyan-2));color:#fff;border-color:transparent;box-shadow:var(--glow)}
.btn.primary:hover{box-shadow:0 0 0 1px rgba(200,23,34,.4),0 14px 40px -12px rgba(200,23,34,.55)}
.btn.amber{background:linear-gradient(135deg,var(--amber),var(--amber-2));color:#fff;border-color:transparent}

.menu-btn{display:none;margin-left:auto;background:var(--panel);color:var(--ink);border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;font:inherit;font-weight:700;cursor:pointer}

/* ── Герой ── */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden}
#scene{position:absolute;inset:0;z-index:0}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;width:100%;padding-block:60px}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:800;letter-spacing:-.02em;margin-top:18px}
.hero h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 40px color-mix(in srgb,var(--cyan) 45%,transparent)}
.hero .lead{color:var(--muted);max-width:480px;margin-top:20px;font-size:1.05rem}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-right{position:relative;min-height:380px}

.stat-strip{display:flex;gap:30px;flex-wrap:wrap;margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.stat b{display:block;font-family:var(--mono);font-size:1.9rem;color:var(--ink);font-weight:700;line-height:1}
.stat b i{color:var(--cyan);font-style:normal}
.stat span{font-size:.78rem;color:var(--faint);letter-spacing:.04em}

/* ── Общие секции ── */
section.block{position:relative;padding-block:clamp(60px,9vw,120px)}
.section-head{max-width:640px;margin-bottom:46px}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.8rem);font-weight:800;letter-spacing:-.01em;margin-top:14px}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.02rem}

/* ── Сетки карточек с 3D-флипом ── */
.grid{display:grid;gap:20px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}

/* Переработано: вместо переворота — мягкий выезд детали снизу + лёгкий подъём */
.flip{position:relative;min-height:230px;border-radius:var(--radius);overflow:hidden;
  transition:transform .4s cubic-bezier(.22,.61,.36,1),box-shadow .4s}
.flip:hover,.flip.flipped{transform:translateY(-6px);box-shadow:0 26px 50px -26px rgba(255,46,63,.4)}
.flip-inner{position:relative;width:100%;height:100%;min-height:230px}
.flip-face{
  position:absolute;inset:0;border-radius:var(--radius);
  border:1px solid var(--line);background:linear-gradient(160deg,var(--panel),var(--panel-2));
  padding:26px;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .45s cubic-bezier(.22,.61,.36,1),opacity .35s ease;
}
.flip:hover .flip-face,.flip.flipped .flip-face{border-color:var(--cyan-2)}
.flip-front{gap:14px}
.flip-front::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(var(--cyan),var(--cyan-2));transform:scaleY(0);transform-origin:top;transition:transform .4s}
.flip:hover .flip-front::after,.flip.flipped .flip-front::after{transform:scaleY(1)}
.flip:hover .flip-front,.flip.flipped .flip-front{transform:translateY(-10px);opacity:0}
.flip-back{transform:translateY(16px);opacity:0;background:linear-gradient(160deg,color-mix(in srgb,var(--panel) 88%,var(--cyan)),var(--panel-2));justify-content:space-between}
.flip:hover .flip-back,.flip.flipped .flip-back{transform:translateY(0);opacity:1}
.flip-ico{
  width:52px;height:52px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:color-mix(in srgb,var(--cyan) 14%,transparent);border:1px solid color-mix(in srgb,var(--cyan) 30%,transparent);color:var(--cyan);
}
.flip-ico svg{width:26px;height:26px}
.flip h3{font-size:1.18rem;font-weight:700}
.flip .num{font-family:var(--mono);font-size:.72rem;color:var(--faint);letter-spacing:.2em}
.flip-front p,.flip-back p{color:var(--muted);font-size:.92rem}
.flip-back .back-link{font-family:var(--mono);font-size:.78rem;color:var(--cyan);font-weight:600;display:inline-flex;gap:8px;align-items:center}
.flip-hint{font-family:var(--mono);font-size:.62rem;color:var(--faint);letter-spacing:.2em;margin-top:auto}

/* ── Простые панели ── */
.panel{border:1px solid var(--line);background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.panel h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}
.panel p{color:var(--muted);font-size:.95rem}

.pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;
  letter-spacing:.14em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:var(--panel)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}

/* ── Логотипы брендов (плейсхолдер) ── */
.brands{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.brands div{background:var(--panel);padding:26px 14px;display:grid;place-items:center;font-family:var(--mono);
  font-size:.82rem;letter-spacing:.14em;color:var(--muted);transition:.25s}
.brands div:hover{background:var(--panel-2);color:var(--cyan)}

/* ── Появление секций при скролле (мягкий подъём, без наклона) ── */
.reveal{opacity:0;transform:translateY(26px) scale(.985);
  transition:opacity .7s ease,transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}

/* ── Шаги/процесс ── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),var(--panel-2))}
.step .n{font-family:var(--mono);font-size:2.2rem;font-weight:700;color:transparent;
  -webkit-text-stroke:1.5px var(--cyan-2);line-height:1}
.step h4{margin:12px 0 8px;font-size:1.05rem}
.step p{color:var(--muted);font-size:.9rem}

/* ── CTA ── */
.cta{position:relative;border:1px solid var(--line-2);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,color-mix(in srgb,var(--panel) 80%,var(--cyan)),var(--panel-2));padding:clamp(34px,5vw,64px);text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% 0%,color-mix(in srgb,var(--cyan) 30%,transparent),transparent 60%)}
.cta>*{position:relative;z-index:1}
.cta h2{font-size:clamp(1.8rem,3.6vw,2.8rem);font-weight:800}
.cta p{color:var(--muted);max-width:520px;margin:14px auto 26px}

/* ── Контакты / форма ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
.field input,.field textarea{
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;color:var(--ink);
  padding:13px 15px;font:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan-2);box-shadow:0 0 0 3px color-mix(in srgb,var(--cyan) 15%,transparent)}
.field textarea{min-height:120px;resize:vertical}
.info-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
.info-row .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:color-mix(in srgb,var(--cyan) 12%,transparent);border:1px solid color-mix(in srgb,var(--cyan) 26%,transparent);color:var(--cyan)}
.info-row .ic svg{width:20px;height:20px}
.info-row b{display:block;font-size:.95rem}
.info-row span{color:var(--muted);font-size:.9rem}

/* ── Реквизиты ── */
.reqs{margin-top:16px;display:grid;gap:0}
.reqs>div{display:grid;grid-template-columns:140px 1fr;gap:14px;padding:11px 0;border-bottom:1px solid var(--line)}
.reqs>div:last-child{border-bottom:0}
.reqs dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--faint);text-transform:uppercase}
.reqs dd{margin:0;font-size:.9rem;color:var(--ink)}
@media (max-width:540px){.reqs>div{grid-template-columns:1fr;gap:3px}}

/* ── О компании ── */
.about-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.vals{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}
.val{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.val b{color:var(--cyan);font-family:var(--mono);font-size:.8rem;letter-spacing:.1em}
.val p{color:var(--muted);font-size:.9rem;margin-top:8px}

/* ── Каталог таблица/список ── */
.cat-row{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:18px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  transition:transform .25s,border-color .25s}
.cat-row:hover{transform:translateX(6px);border-color:var(--cyan-2)}
.cat-row .code{font-family:var(--mono);font-size:.8rem;color:var(--cyan)}
.cat-row h4{font-size:1.05rem}
.cat-row p{color:var(--muted);font-size:.88rem}

/* ── Футер ── */
footer{border-top:1px solid var(--line);margin-top:40px;background:var(--bg-2)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-block:52px}
.foot h5{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--faint);text-transform:uppercase;margin-bottom:16px}
.foot a,.foot p{color:var(--muted);font-size:.9rem;display:block;margin-bottom:9px;transition:color .2s}
.foot a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid var(--line);padding-block:20px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:.82rem;color:var(--faint)}

/* ── Мягкий переход между страницами (затемнение + лёгкий зум логотипа) ── */
#page-fx{position:fixed;inset:0;z-index:999;pointer-events:none;opacity:0;visibility:hidden;
  transition:opacity .32s ease;
  background:radial-gradient(60% 60% at 50% 50%,rgba(20,10,12,.96),rgba(10,6,7,.99))}
#page-fx .panel-fx{display:none}
#page-fx .fx-logo{position:absolute;inset:0;display:grid;place-items:center;opacity:0;
  transform:scale(.82);transition:opacity .32s ease,transform .45s cubic-bezier(.22,.61,.36,1)}
#page-fx .fx-logo .mark{width:150px;height:60px;background:var(--cyan);
  -webkit-mask:url(../assets/logo.svg) no-repeat center/contain;mask:url(../assets/logo.svg) no-repeat center/contain}
body.fx-enter{animation:fxIn .5s ease both}
@keyframes fxIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ── Скролл-прогресс ── */
#progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,var(--cyan),var(--amber));box-shadow:0 0 12px var(--cyan)}

/* ── Адаптив ── */
@media (max-width:980px){
  .hero-grid,.about-hero{grid-template-columns:1fr}
  .hero-right{min-height:300px;order:-1}
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .brands{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav{display:none}
  .menu-btn{display:inline-block}
  .nav.open{display:flex;position:absolute;top:64px;left:22px;right:22px;flex-direction:column;border-radius:16px;padding:10px;margin:0}
  .grid.c4,.grid.c3,.grid.c2,.steps,.brands,.vals{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .hero h1{font-size:2.4rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}