/* АРТ ДИРЕКТ ГРУПП — фирменная тема сайта */
@font-face{
  font-family:'Jost';
  src:url('../fonts/Jost.ttf') format('truetype-variations');
  font-weight:100 900;font-style:normal;font-display:swap;
}
:root{
  --bg:#0A0B14;
  --bg2:#0F1120;
  --card:#14172A;
  --card2:#1A1E36;
  --line:rgba(255,255,255,.09);
  --line2:rgba(255,255,255,.16);
  --txt:#EEF0F8;
  --mut:#9BA2C0;
  --acc:#F7943C;
  --acc-dim:#C9762B;
  --violet:#4537FF;
  --navy:#201A69;
  --ok:#5BD1A0;
  --r:16px;
  --r-sm:10px;
  --pad:clamp(18px,4vw,64px);
  --shadow:0 18px 50px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:'Jost',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.6;font-weight:350;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,5.2vw,62px)}
h2{font-size:clamp(24px,3.4vw,40px)}
h3{font-size:clamp(19px,2vw,24px)}
p{margin:0 0 1em;color:var(--mut)}
strong,b{font-weight:600;color:var(--txt)}
small{font-size:13px;color:var(--mut)}
.wrap{max-width:1240px;margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:820px}
section{padding:clamp(48px,7vw,104px) 0}
.eyebrow{
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);
  font-weight:500;margin:0 0 14px;
}
.lead{font-size:clamp(17px,1.6vw,21px);color:#C8CDE4;max-width:60ch}
hr.sep{border:0;border-top:1px solid var(--line);margin:0}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:60;
  background:rgba(10,11,20,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:22px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand img{height:38px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.05}
.brand .bt b{font-weight:600;font-size:19px;letter-spacing:.01em}
.brand .bt span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.nav a.link{color:#C6CBE0;font-size:15px;padding:6px 2px;border-bottom:2px solid transparent}
.nav a.link:hover{color:#fff;border-color:var(--acc)}
.nav a.link.on{color:#fff;border-color:var(--acc)}
.burger{display:none;background:none;border:1px solid var(--line2);color:var(--txt);border-radius:10px;padding:8px 12px;font-size:18px;cursor:pointer}
@media(max-width:980px){
  .nav{flex-wrap:wrap}
  .nav .menu{display:none;order:3;width:100%;flex-direction:column;gap:4px;padding:10px 0}
  .nav .menu.open{display:flex}
  .burger{display:block}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  padding:13px 22px;border-radius:999px;font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:.18s;font-family:inherit;
}
.btn-acc{background:var(--acc);color:#241503}
.btn-acc:hover{background:#FFA955;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line2);color:var(--txt)}
.btn-ghost:hover{border-color:var(--acc);color:#fff}
.btn-violet{background:var(--violet);color:#fff}
.btn-violet:hover{background:#5B4DFF}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:clamp(40px,6vw,86px)}
.hero:before{
  content:"";position:absolute;inset:-20% -10% auto -10%;height:70%;
  background:
    radial-gradient(60% 60% at 18% 30%,rgba(69,55,255,.28),transparent 62%),
    radial-gradient(45% 55% at 82% 12%,rgba(247,148,60,.20),transparent 60%);
  filter:blur(6px);pointer-events:none;
}
.hero .wrap{position:relative}
.hero h1{margin-bottom:18px;max-width:20ch}
.hero h1 .mark{color:var(--acc)}
.hero .btns{margin:26px 0 0}
.hero .tags{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px}
.tag{
  font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  color:#C6CBE0;background:rgba(255,255,255,.03)
}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:clamp(34px,5vw,64px)}
.kpi{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--r);padding:20px}
.kpi b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:600;color:#fff}
.kpi span{font-size:14px;color:var(--mut)}
@media(max-width:820px){.kpis{grid-template-columns:repeat(2,1fr)}}

.hero-visual{margin-top:clamp(30px,4vw,52px);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- grid helpers ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1020px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.card h3{margin-bottom:8px}
.card p{margin:0;font-size:15.5px}
.card .num{font-size:13px;color:var(--acc);letter-spacing:.14em;font-weight:500}

.head-row{display:flex;align-items:flex-end;gap:24px;justify-content:space-between;margin-bottom:34px;flex-wrap:wrap}
.head-row p{margin:0;max-width:52ch}

/* ---------- services ---------- */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:1020px){.svc{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.svc{grid-template-columns:1fr}}
.svc-item{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.svc-item h4{font-size:18px;margin:0 0 6px}
.svc-item p{font-size:15px;margin:0}
.svc-item .ic{font-size:22px;margin-bottom:10px;color:var(--acc)}

/* ---------- films / process ---------- */
.steps{counter-reset:s;display:grid;gap:0}
.step{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:24px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step:before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  font-size:15px;font-weight:600;color:var(--acc);letter-spacing:.1em
}
.step h4{margin:0 0 6px;font-size:19px}
.step p{margin:0;font-size:15.5px}

/* ---------- cases ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filters button{
  font-family:inherit;font-size:14px;color:#C6CBE0;background:transparent;
  border:1px solid var(--line2);border-radius:999px;padding:8px 15px;cursor:pointer;transition:.15s
}
.filters button:hover{color:#fff;border-color:var(--acc)}
.filters button.on{background:var(--acc);border-color:var(--acc);color:#241503;font-weight:500}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1020px){.cases{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.cases{grid-template-columns:1fr}}
.case{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;transition:.2s;cursor:pointer
}
.case:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:var(--shadow)}
.case .ph{position:relative;aspect-ratio:4/3;overflow:hidden;background:#0c0e1a}
.case .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.case:hover .ph img{transform:scale(1.035)}
.case .ph .badge{
  position:absolute;left:12px;top:12px;background:rgba(10,11,20,.78);backdrop-filter:blur(6px);
  border:1px solid var(--line2);border-radius:999px;padding:5px 12px;font-size:12.5px;color:#EDEFF7
}
.case .bd{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.case .bd h3{margin:0;font-size:19px}
.case .meta{font-size:14px;color:var(--acc)}
.case .bd p{font-size:14.5px;margin:0}
.case .more{margin-top:auto;padding-top:12px;font-size:14px;color:#C6CBE0;display:flex;gap:7px;align-items:center}
.case.hide{display:none}

/* ---------- lightbox ---------- */
.lb{
  position:fixed;inset:0;z-index:120;background:rgba(6,7,14,.94);
  display:none;padding:clamp(12px,3vw,40px);overflow:auto
}
.lb.open{display:block}
.lb-in{max-width:1120px;margin:0 auto}
.lb-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:14px}
.lb-top h3{margin:0 0 4px;font-size:clamp(21px,2.4vw,30px)}
.lb-top .meta{color:var(--acc);font-size:15px}
.lb-x{background:none;border:1px solid var(--line2);color:#fff;border-radius:50%;width:42px;height:42px;font-size:20px;cursor:pointer;flex:none}
.lb-main{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#000}
.lb-main img{width:100%;max-height:74vh;object-fit:contain;margin:0 auto}
.lb-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin:12px 0 18px}
.lb-thumbs img{aspect-ratio:4/3;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer;opacity:.6}
.lb-thumbs img.on,.lb-thumbs img:hover{opacity:1;border-color:var(--acc)}
.lb-txt{display:grid;grid-template-columns:2fr 1fr;gap:26px;padding-bottom:20px}
@media(max-width:820px){.lb-txt{grid-template-columns:1fr}}
.lb-spec{border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px;background:var(--card)}
.lb-spec div{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.lb-spec div:last-child{border:0}
.lb-spec span:first-child{color:var(--mut)}
.lb-spec span:last-child{text-align:right}

/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
@media(max-width:980px){.calc{grid-template-columns:1fr}}
.field{margin-bottom:20px}
.field label{display:block;font-size:14.5px;color:#C6CBE0;margin-bottom:8px}
.field .hint{font-size:13px;color:var(--mut);margin-top:6px}
input[type=range]{width:100%;accent-color:var(--acc)}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);background:#0c0e1a;color:var(--txt);
  border:1px solid var(--line2);font-family:inherit;font-size:16px
}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9BA2C0 50%),linear-gradient(135deg,#9BA2C0 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.radio-row{display:flex;gap:8px;flex-wrap:wrap}
.radio-row label{
  display:flex;align-items:center;gap:8px;border:1px solid var(--line2);border-radius:999px;
  padding:9px 15px;font-size:14.5px;cursor:pointer;margin:0
}
.radio-row input{accent-color:var(--acc)}
.radio-row input:checked + span{color:#fff}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#C6CBE0;padding:7px 0}
.chk input{margin-top:5px;accent-color:var(--acc)}
.total{position:sticky;top:88px;background:linear-gradient(180deg,var(--card2),var(--bg2));border:1px solid var(--line2);border-radius:var(--r);padding:24px}
.total .big{font-size:clamp(24px,2.8vw,34px);font-weight:600;color:#fff;line-height:1.15}
.total .per{color:var(--acc);font-size:15px;margin-top:6px}
.total ul{list-style:none;padding:0;margin:18px 0 0;border-top:1px solid var(--line)}
.total li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#C6CBE0}
.total .note{margin-top:16px;font-size:13px;color:var(--mut)}

/* ---------- media / calendar ---------- */
.med{display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:start}
@media(max-width:980px){.med{grid-template-columns:1fr}}
.expo{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
.expo h4{margin:0;padding:14px 20px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc)}
.expo-row{display:grid;grid-template-columns:150px 1fr auto;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line);align-items:baseline}
.expo-row:last-child{border-bottom:0}
.expo-row .d{color:#fff;font-weight:500;font-size:15px}
.expo-row .w{font-size:15px}
.expo-row .w i{display:block;font-style:normal;color:var(--mut);font-size:13.5px}
.pill{font-size:12.5px;padding:4px 11px;border-radius:999px;border:1px solid var(--line2);color:var(--mut);white-space:nowrap}
.pill.hot{color:#241503;background:var(--acc);border-color:var(--acc);font-weight:500}
@media(max-width:700px){.expo-row{grid-template-columns:1fr;gap:4px}}

.posts{display:grid;gap:16px}
.post{border-left:2px solid var(--acc);padding:2px 0 2px 18px}
.post h4{margin:0 0 6px;font-size:18px}
.post p{font-size:15px;margin:0}
.post small{display:block;margin-bottom:6px}

/* ---------- contacts ---------- */
.contacts{display:grid;grid-template-columns:1fr 1fr;gap:30px}
@media(max-width:900px){.contacts{grid-template-columns:1fr}}
.req{display:grid;gap:12px}
.req div{display:grid;grid-template-columns:150px 1fr;gap:14px;font-size:15.5px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.req span:first-child{color:var(--mut)}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);min-height:280px;background:#0c0e1a}
.cta-box{background:linear-gradient(135deg,rgba(69,55,255,.18),rgba(247,148,60,.14));border:1px solid var(--line2);border-radius:var(--r);padding:clamp(24px,3vw,40px)}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding:44px 0 30px;background:var(--bg2);margin-top:20px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
@media(max-width:820px){.foot{grid-template-columns:1fr}}
.foot h5{margin:0 0 10px;font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);font-weight:500}
.foot a{display:block;color:#C6CBE0;font-size:15px;padding:3px 0}
.foot a:hover{color:var(--acc)}
.copy{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--mut)}

.band{background:linear-gradient(180deg,var(--bg2),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.center{text-align:center}
.mt0{margin-top:0}