/* =========================================================
   Институт Проектного Мышления — astryx.atmeta.com
   Modern responsive stylesheet
   ========================================================= */

:root{
  --ink:#0d1826;
  --ink-2:#152337;
  --ink-3:#1e3047;
  --paper:#ffffff;
  --paper-2:#f5f6f8;
  --paper-3:#eceef2;
  --line:#e3e6ec;
  --text:#1a2534;
  --text-soft:#5b6675;
  --muted:#8a94a3;
  --accent:#c8963e;
  --accent-2:#e0a458;
  --accent-soft:rgba(200,150,62,.12);
  --blue:#5b8def;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 40px -12px rgba(13,24,38,.18);
  --shadow-sm:0 4px 18px -8px rgba(13,24,38,.25);
  --container:1200px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.6rem)}
h3{font-size:clamp(1.2rem,2.2vw,1.5rem)}
p{margin:0 0 1em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:clamp(48px,8vw,110px) 0}
.section-tight{padding:clamp(32px,5vw,64px) 0}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);margin-bottom:14px;
}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--text-soft);max-width:60ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.98rem;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line);
  transition:.25s;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  display:grid;place-items:center;width:44px;height:44px;flex:none;
  background:var(--ink);color:var(--accent-2);font-weight:900;border-radius:12px;
  letter-spacing:.02em;font-size:1.05rem;
}
.brand-mark.big{width:56px;height:56px;font-size:1.3rem;margin-bottom:16px}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text b{font-size:.98rem;font-weight:800;white-space:nowrap}
.brand-text small{color:var(--muted);font-size:.76rem}
.site-nav{display:flex;align-items:center;gap:8px}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-list a{
  padding:10px 14px;border-radius:10px;font-weight:500;font-size:.95rem;color:var(--text-soft);
  transition:.15s;
}
.nav-list a:hover{color:var(--text);background:var(--paper-2)}
.nav-list a.is-active{color:var(--accent);font-weight:600}
.nav-cta{
  margin-left:8px;padding:10px 20px;border-radius:999px;background:var(--ink);color:#fff;
  font-weight:600;font-size:.92rem;transition:.2s;
}
.nav-cta:hover{background:var(--accent);transform:translateY(-1px)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- Hero + map ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-map{position:absolute;inset:0;z-index:0}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,rgba(8,15,25,.94) 0%,rgba(8,15,25,.78) 42%,rgba(8,15,25,.25) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(70px,12vw,150px) 0;max-width:640px}
.hero h1{color:#fff}
.hero .lead{color:rgba(255,255,255,.8)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:26px;margin-top:44px}
.hero-badge b{display:block;font-size:1.9rem;font-weight:900;color:var(--accent-2)}
.hero-badge span{font-size:.85rem;color:rgba(255,255,255,.65)}
.map-hint{
  position:absolute;right:24px;bottom:22px;z-index:2;font-size:.8rem;
  color:rgba(255,255,255,.7);background:rgba(8,15,25,.55);padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(6px);
}

/* ---------- Map (portfolio full) ---------- */
.map-wrap{position:relative;height:min(72vh,640px);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
#portfolioMap,.hero-map .maplibregl-map{width:100%;height:100%}
.map-legend{
  position:absolute;left:16px;top:16px;z-index:5;background:rgba(255,255,255,.94);
  border-radius:12px;padding:12px 14px;box-shadow:var(--shadow-sm);font-size:.82rem;
  display:flex;flex-direction:column;gap:7px;max-width:220px;
}
.map-legend .dot{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:8px;vertical-align:middle}
.map-controls{position:absolute;left:16px;bottom:16px;z-index:5;display:flex;gap:8px;flex-wrap:wrap}
.map-controls button{
  background:rgba(13,24,38,.9);color:#fff;border:0;border-radius:999px;padding:9px 16px;
  font-family:var(--font);font-size:.85rem;font-weight:600;cursor:pointer;transition:.2s;
}
.map-controls button:hover{background:var(--accent)}

/* MapLibre custom marker */
.mk{cursor:pointer;transform:translateY(0);transition:transform .2s}
.mk-pin{
  width:26px;height:26px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);
  border:2.5px solid #fff;box-shadow:0 4px 10px rgba(0,0,0,.35);
}
.mk:hover{transform:translateY(-4px)}
.maplibregl-popup{max-width:280px!important;font-family:var(--font)}
.maplibregl-popup-content{border-radius:14px;padding:0;overflow:hidden;box-shadow:var(--shadow)}
.pop img{width:100%;height:140px;object-fit:cover;display:block;background:var(--paper-3)}
.pop-body{padding:12px 14px}
.pop-cat{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.pop-body h4{margin:.3em 0 .2em;font-size:1rem}
.pop-body p{margin:0;font-size:.82rem;color:var(--text-soft)}
.pop-body a{display:inline-block;margin-top:8px;font-size:.82rem;font-weight:600;color:var(--accent)}

/* ---------- Intro / about strip ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px}
.stat b{display:block;font-size:2rem;font-weight:900;color:var(--ink);letter-spacing:-.03em}
.stat span{font-size:.85rem;color:var(--text-soft)}

/* ---------- Services ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:.2s;position:relative;overflow:hidden;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{
  width:52px;height:52px;border-radius:14px;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;margin-bottom:18px;
}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:1.15rem}
.card p{color:var(--text-soft);font-size:.94rem;margin:0}
.card .more{margin-top:16px;font-weight:600;color:var(--accent);font-size:.9rem;display:inline-flex;gap:6px}
.card-dark{background:var(--ink);color:#fff;border:0;display:flex;flex-direction:column;justify-content:center}
.card-dark h3{color:#fff}.card-dark p{color:rgba(255,255,255,.7)}

/* ---------- Portfolio grid ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 34px}
.filters button{
  border:1px solid var(--line);background:#fff;color:var(--text-soft);
  padding:9px 18px;border-radius:999px;font-family:var(--font);font-weight:500;
  font-size:.9rem;cursor:pointer;transition:.18s;
}
.filters button:hover{border-color:var(--accent);color:var(--accent)}
.filters button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.proj{
  border-radius:var(--radius);overflow:hidden;background:var(--paper);border:1px solid var(--line);
  transition:.22s;display:flex;flex-direction:column;
}
.proj:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.proj-thumb{aspect-ratio:16/11;overflow:hidden;background:var(--paper-3);position:relative}
.proj-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.proj:hover .proj-thumb img{transform:scale(1.06)}
.proj-thumb .noimg{width:100%;height:100%;display:grid;place-items:center;color:var(--muted);font-weight:700;font-size:2rem;background:linear-gradient(135deg,var(--paper-2),var(--paper-3))}
.proj-tag{
  position:absolute;left:12px;top:12px;font-size:.7rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;color:#fff;padding:5px 10px;border-radius:999px;backdrop-filter:blur(4px);
}
.proj-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.proj-body h3{font-size:1.1rem;margin-bottom:6px}
.proj-meta{font-size:.83rem;color:var(--muted);margin-top:auto;display:flex;gap:12px;flex-wrap:wrap;padding-top:12px}
.proj-meta .ic{display:inline-flex;gap:5px;align-items:center}

/* ---------- Project detail ---------- */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding:clamp(40px,6vw,80px) 0}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--accent)}
.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.detail-body :is(p,li){color:var(--text)}
.detail-body img{border-radius:var(--radius);margin:20px 0}
.spec{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:96px}
.spec dl{margin:0;display:grid;gap:14px}
.spec dt{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.spec dd{margin:2px 0 0;font-weight:600}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:30px}
.gallery img{border-radius:var(--radius-sm);aspect-ratio:4/3;object-fit:cover;width:100%}
.mini-map{height:300px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:16px}

/* ---------- Rich text ---------- */
.rich h2,.rich h3{margin-top:1.4em}
.rich ul{padding-left:1.2em}
.rich li{margin-bottom:.4em}
.rich a{color:var(--accent);text-decoration:underline}

/* ---------- Contacts ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:16px}
.contact-card h4{color:var(--accent);font-size:1rem;margin-bottom:8px}
.contact-card p{margin:.2em 0;color:var(--text-soft)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius);padding:clamp(36px,5vw,64px);text-align:center}
.cta-band h2{color:#fff}
.cta-band .lead{color:rgba(255,255,255,.75);margin:0 auto 28px}

/* logos strip */
.logos{display:flex;flex-wrap:wrap;gap:34px 48px;align-items:center;justify-content:center;opacity:.85}
.logos img{height:44px;width:auto;filter:grayscale(1);opacity:.7;transition:.2s}
.logos img:hover{filter:none;opacity:1}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-brand p{max-width:38ch;font-size:.92rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.footer-nav{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-nav a,.site-footer a{color:rgba(255,255,255,.7);font-size:.92rem;transition:.15s}
.footer-nav a:hover,.site-footer a:hover{color:var(--accent-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:.82rem;color:rgba(255,255,255,.5)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .detail-grid{grid-template-columns:1fr}
  .spec{position:static}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .site-nav{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 24px 24px;
    transform:translateY(-140%);transition:transform .3s ease;box-shadow:var(--shadow);
  }
  .site-nav.open{transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list a{padding:14px 12px;border-radius:10px;font-size:1.05rem}
  .nav-cta{margin:12px 0 0;text-align:center}
  .split,.contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:560px){
  .brand-text small{display:none}
  .brand-text b{white-space:normal;font-size:.9rem}
  .footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .hero-badges{gap:20px}
}