/* ==========================================================================
   AD4 — обща лендинг страница за ad4.lol / ad4.team / ad4.agency
   ========================================================================== */

:root{
  --bg:#04050e;
  --bg-2:#080b1c;
  --ink:#eaedff;
  --muted:#98a1c8;
  --line:rgba(150,165,255,.14);
  --card:rgba(16,20,44,.55);

  --violet:#7b5cff;
  --cyan:#21e6ff;
  --pink:#ff3d81;
  --gold:#ffcf5c;

  --maxw:1240px;
  --r:20px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;overflow-x:clip}

body{
  margin:0;
  max-width:100vw;
  background:var(--bg);
  color:var(--ink);
  font-family:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}

.wrap{width:min(100% - 40px,var(--maxw));margin-inline:auto}

/* ---------- Космически фон ------------------------------------------------ */

#space{
  position:fixed;
  inset:0;
  max-width:100vw;
  z-index:0;
  pointer-events:none;
}

.nebula{
  position:fixed;
  inset:0;
  max-width:100vw;
  z-index:0;
  pointer-events:none;
  overflow:hidden;
}
.nebula i{
  position:absolute;
  display:block;
  border-radius:50%;
  filter:blur(90px);
  opacity:.55;
  mix-blend-mode:screen;
  animation:drift 26s var(--ease) infinite alternate;
}
.nebula i:nth-child(1){width:52vw;height:52vw;left:-12vw;top:-14vw;background:radial-gradient(circle,#6a3cff,transparent 65%)}
.nebula i:nth-child(2){width:46vw;height:46vw;right:-10vw;top:6vh;background:radial-gradient(circle,#00d0ff,transparent 65%);animation-delay:-8s}
.nebula i:nth-child(3){width:40vw;height:40vw;left:24vw;top:52vh;background:radial-gradient(circle,#ff2f7e,transparent 65%);animation-delay:-15s}

@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(6vw,-5vh,0) scale(1.22)}
}

.grid-floor{
  position:fixed;
  left:0;right:0;bottom:0;
  max-width:100vw;
  height:46vh;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(123,92,255,.22) 1px,transparent 1px),
    linear-gradient(90deg,rgba(33,230,255,.16) 1px,transparent 1px);
  background-size:70px 70px;
  transform:perspective(420px) rotateX(70deg);
  transform-origin:bottom center;
  mask-image:linear-gradient(to top,#000,transparent 82%);
  animation:floor 9s linear infinite;
  opacity:.5;
}
@keyframes floor{from{background-position-y:0,0}to{background-position-y:70px,70px}}

/* ---------- Навигация ----------------------------------------------------- */

.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  padding:16px 0;
  transition:background .4s var(--ease),backdrop-filter .4s var(--ease),padding .4s var(--ease);
}
.nav.solid{
  padding:10px 0;
  background:rgba(4,5,14,.72);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:20px}

.logo{display:flex;align-items:center;gap:11px;font-family:"Unbounded",sans-serif;font-weight:800;letter-spacing:-.02em}
.logo__mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:conic-gradient(from 0deg,var(--violet),var(--cyan),var(--pink),var(--violet));
  animation:spinhue 7s linear infinite;
  font-size:15px;color:#05060f;font-weight:900;
}
@keyframes spinhue{to{filter:hue-rotate(360deg)}}
.logo__txt{font-size:20px}
.logo__dot{color:var(--cyan)}

.nav__links{display:flex;align-items:center;gap:28px}
.nav__links a{
  font-size:15px;font-weight:600;color:var(--muted);
  position:relative;transition:color .25s;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:-5px;height:2px;width:0;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
  transition:width .3s var(--ease);
}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:0;cursor:pointer;
  font-weight:700;font-size:15px;letter-spacing:.01em;
  background:linear-gradient(120deg,var(--violet),var(--pink) 55%,var(--cyan));
  background-size:220% 100%;
  color:#fff;
  box-shadow:0 10px 34px rgba(123,92,255,.38);
  transition:background-position .6s var(--ease),transform .25s var(--ease),box-shadow .3s;
}
.btn:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 16px 42px rgba(123,92,255,.5)}
.btn:active{transform:translateY(0)}
.btn--ghost{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  box-shadow:none;color:var(--ink);
}
.btn--ghost:hover{background:rgba(255,255,255,.09);box-shadow:none}

.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer}
.burger span{display:block;width:18px;height:2px;margin:3px auto;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.burger.on span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- Hero ---------------------------------------------------------- */

main{position:relative;z-index:10}

.hero{
  min-height:100svh;
  display:grid;
  place-items:center;
  text-align:center;
  padding:130px 0 80px;
  position:relative;
}

.hero__badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(10px);
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);
  margin-bottom:34px;
}
.hero__badge b{color:var(--cyan);font-weight:700}
.pulse{width:8px;height:8px;border-radius:50%;background:#2fe38a;box-shadow:0 0 0 0 rgba(47,227,138,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 11px rgba(47,227,138,0)}100%{box-shadow:0 0 0 0 rgba(47,227,138,0)}}

.title{
  font-family:"Unbounded",sans-serif;
  font-weight:900;
  font-size:clamp(64px,19vw,260px);
  line-height:.86;
  letter-spacing:-.045em;
  margin:0;
  position:relative;
}
.title span{
  display:inline-block;
  background:linear-gradient(100deg,#fff 0%,var(--cyan) 22%,var(--violet) 46%,var(--pink) 68%,#fff 92%);
  background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  animation:shine 7s linear infinite;
  filter:drop-shadow(0 0 46px rgba(123,92,255,.55));
}
.title span:nth-child(2){animation-delay:-1.4s}
.title span:nth-child(3){animation-delay:-2.8s}
@keyframes shine{to{background-position:300% 0}}

.title__orbit{
  position:absolute;left:50%;top:50%;
  width:min(100vw - 24px,1080px);aspect-ratio:1;
  translate:-50% -50%;
  z-index:-1;pointer-events:none;
}
.title__orbit i{
  position:absolute;inset:0;
  border:1px solid rgba(123,92,255,.18);
  border-radius:50%;
  animation:orbit 24s linear infinite;
}
.title__orbit i:nth-child(2){inset:12%;border-color:rgba(33,230,255,.16);animation-duration:18s;animation-direction:reverse}
.title__orbit i:nth-child(3){inset:26%;border-color:rgba(255,61,129,.14);animation-duration:30s}
.title__orbit i::before{
  content:"";position:absolute;top:-4px;left:50%;
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 18px var(--cyan);
}
.title__orbit i:nth-child(2)::before{background:var(--pink);box-shadow:0 0 18px var(--pink)}
.title__orbit i:nth-child(3)::before{background:var(--gold);box-shadow:0 0 18px var(--gold)}
@keyframes orbit{to{transform:rotate(360deg)}}

.hero__sub{
  font-size:clamp(18px,2.4vw,26px);
  color:var(--ink);
  font-weight:600;
  max-width:760px;
  margin:34px auto 12px;
  line-height:1.45;
}
.hero__lead{color:var(--muted);max-width:620px;margin:0 auto 38px;font-size:17px}

.domains{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:40px}
.domains b{
  font-family:"Unbounded",sans-serif;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  transition:.3s var(--ease);
}
.domains b:hover{color:var(--ink);border-color:rgba(33,230,255,.5);transform:translateY(-3px)}

.hero__cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

.scroller{
  position:absolute;left:50%;bottom:26px;translate:-50% 0;
  display:grid;place-items:center;gap:8px;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
}
.scroller i{
  width:24px;height:38px;border:1px solid var(--line);border-radius:14px;position:relative;
}
.scroller i::after{
  content:"";position:absolute;left:50%;top:8px;translate:-50% 0;
  width:4px;height:7px;border-radius:2px;background:var(--cyan);
  animation:wheel 1.8s var(--ease) infinite;
}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,14px)}}

/* ---------- Лента със статистика ------------------------------------------ */

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  margin:0 0 110px;
}
.stats div{
  background:rgba(8,11,28,.78);
  backdrop-filter:blur(12px);
  padding:32px 22px;text-align:center;
}
.stats b{
  display:block;
  font-family:"Unbounded",sans-serif;font-size:clamp(30px,4.4vw,52px);font-weight:800;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;
}
.stats small{display:block;margin-top:9px;color:var(--muted);font-size:13px;letter-spacing:.05em;text-transform:uppercase}

/* ---------- Секции -------------------------------------------------------- */

section{position:relative;padding:0 0 110px}

.head{text-align:center;max-width:720px;margin:0 auto 52px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;
}
.head h2{
  font-family:"Unbounded",sans-serif;font-weight:800;
  font-size:clamp(32px,5.2vw,56px);line-height:1.08;letter-spacing:-.035em;margin:0 0 16px;
}
.head p{color:var(--muted);margin:0;font-size:17px}

/* ---------- Портфолио ----------------------------------------------------- */

.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.chip{
  padding:10px 20px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--muted);font-size:14px;font-weight:600;
  transition:.3s var(--ease);
}
.chip:hover{color:var(--ink);border-color:rgba(123,92,255,.55)}
.chip.on{
  color:#fff;border-color:transparent;
  background:linear-gradient(120deg,var(--violet),var(--pink));
  box-shadow:0 8px 26px rgba(123,92,255,.4);
}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

.card{
  position:relative;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:var(--card);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transform-style:preserve-3d;
  transition:transform .45s var(--ease),border-color .35s,box-shadow .45s var(--ease),opacity .4s,scale .4s;
}
.card::before{
  content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  border-radius:inherit;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(123,92,255,.20),transparent 62%);
  opacity:0;transition:opacity .35s;
}
.card:hover{
  transform:translateY(-8px);
  border-color:rgba(33,230,255,.42);
  box-shadow:0 26px 60px rgba(0,0,0,.55),0 0 0 1px rgba(33,230,255,.14);
}
.card:hover::before{opacity:1}
.card.hide{display:none}

.card__shot{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(140deg,#0d1130,#171c46);
}
.card__shot img{
  width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform 1s var(--ease),filter .5s;
  filter:saturate(1.05);
}
.card:hover .card__shot img{transform:scale(1.07) translateY(-2%)}
.card__shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,8,22,.92) 2%,rgba(6,8,22,.1) 48%,transparent);
}

.card__tag{
  position:absolute;z-index:2;top:14px;left:14px;
  padding:6px 13px;border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  background:rgba(4,5,14,.68);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.14);color:var(--cyan);
}

.card__live{
  position:absolute;z-index:2;top:14px;right:14px;
  display:flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.06em;
  background:rgba(4,5,14,.68);backdrop-filter:blur(8px);
  border:1px solid rgba(47,227,138,.3);color:#2fe38a;
}
.card__live i{width:6px;height:6px;border-radius:50%;background:#2fe38a;animation:pulse 2s infinite}

.card__body{position:relative;z-index:2;padding:22px 24px 26px}
.card__body h3{font-family:"Unbounded",sans-serif;font-size:19px;font-weight:700;margin:0 0 8px;letter-spacing:-.02em}
.card__body p{margin:0 0 18px;color:var(--muted);font-size:14.5px;line-height:1.6}

.card__foot{display:flex;align-items:center;justify-content:space-between;gap:14px}
.card__url{font-size:13px;color:var(--muted);font-family:"Unbounded",sans-serif;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card__go{
  display:inline-flex;align-items:center;gap:7px;flex:none;
  font-size:13.5px;font-weight:700;color:var(--cyan);
  transition:gap .3s var(--ease);
}
.card:hover .card__go{gap:12px}

.card__link{position:absolute;inset:0;z-index:4}

/* ---------- Услуги -------------------------------------------------------- */

.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc article{
  padding:34px 30px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--card);backdrop-filter:blur(14px);
  transition:.4s var(--ease);
}
.svc article:hover{transform:translateY(-6px);border-color:rgba(123,92,255,.45);background:rgba(20,25,54,.62)}
.svc .ico{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(140deg,rgba(123,92,255,.28),rgba(33,230,255,.16));
  border:1px solid rgba(123,92,255,.34);font-size:23px;
}
.svc h3{font-family:"Unbounded",sans-serif;font-size:18px;font-weight:700;margin:0 0 10px;letter-spacing:-.02em}
.svc p{margin:0;color:var(--muted);font-size:15px}

/* ---------- Контакти ------------------------------------------------------ */

.contact{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;
  padding:46px;border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(18,22,50,.78),rgba(8,11,28,.6));
  backdrop-filter:blur(18px);
  position:relative;overflow:hidden;
}
.contact::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-160px;
  background:radial-gradient(circle,rgba(123,92,255,.4),transparent 68%);filter:blur(50px);
}
.contact__info{position:relative;z-index:2}
.contact__info h2{font-family:"Unbounded",sans-serif;font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.1;letter-spacing:-.035em;margin:0 0 16px}
.contact__info p{color:var(--muted);margin:0 0 28px}

.contact__list{display:grid;gap:14px;margin:0;padding:0;list-style:none}
.contact__list li{display:flex;gap:13px;align-items:center;font-size:15px}
.contact__list i{
  width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:rgba(123,92,255,.16);border:1px solid rgba(123,92,255,.3);font-style:normal;font-size:17px;
}
.contact__list a:hover{color:var(--cyan)}

.form{position:relative;z-index:2;display:grid;gap:16px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:14px;
  background:rgba(4,5,14,.55);
  border:1px solid var(--line);
  transition:.3s var(--ease);
  outline:none;font-size:15px;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(33,230,255,.6);
  background:rgba(4,5,14,.8);
  box-shadow:0 0 0 4px rgba(33,230,255,.1);
}
.field input::placeholder,.field textarea::placeholder{color:#5c6590}
.field select option{background:#0b0f22}

.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0;pointer-events:none}

.form__note{font-size:13px;color:var(--muted);margin:0}
.form__msg{
  display:none;padding:14px 18px;border-radius:14px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;
}
.form__msg.ok{display:block;background:rgba(47,227,138,.1);border-color:rgba(47,227,138,.36);color:#68f0ad}
.form__msg.err{display:block;background:rgba(255,61,129,.1);border-color:rgba(255,61,129,.36);color:#ff87ad}

.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- Footer -------------------------------------------------------- */

footer{
  position:relative;z-index:10;
  border-top:1px solid var(--line);
  padding:38px 0;
  background:rgba(4,5,14,.6);
  backdrop-filter:blur(12px);
}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;color:var(--muted);font-size:14px}
.foot nav{display:flex;flex-wrap:wrap;gap:20px}
.foot nav a:hover{color:var(--cyan)}

/* ---------- Анимации при скрол -------------------------------------------- */

.rv{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.08s}
.rv[data-d="2"]{transition-delay:.16s}
.rv[data-d="3"]{transition-delay:.24s}
.rv[data-d="4"]{transition-delay:.32s}
.rv[data-d="5"]{transition-delay:.4s}

/* ---------- Адаптив ------------------------------------------------------- */

@media (max-width:1024px){
  .grid,.svc{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr;gap:36px;padding:34px}
}

@media (max-width:760px){
  body{font-size:16px}
  .burger{display:block}
  .nav__links{
    position:fixed;inset:70px 16px auto 16px;
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px;border-radius:20px;
    background:rgba(8,11,28,.96);backdrop-filter:blur(20px);
    border:1px solid var(--line);
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:.35s var(--ease);
  }
  .nav__links.open{opacity:1;visibility:visible;transform:none}
  .nav__links a{padding:14px 16px;font-size:16px}
  .nav__links a::after{display:none}
  .nav .btn{display:none}
  .grid,.svc,.row{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);margin-bottom:80px}
  .hero{padding:110px 0 70px}
  .title{font-size:clamp(58px,23vw,120px)}
  section{padding-bottom:80px}
  .contact{padding:26px 22px}
  .grid-floor{height:34vh}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}

/* ---------- SVG икони ------------------------------------------------------ */

.svc .ico svg{width:25px;height:25px;color:var(--cyan)}
.contact__list i svg{width:19px;height:19px;color:var(--violet)}