/* =========================================================
   Reset & base
========================================================= */
*{box-sizing:border-box;margin:0}
html,body{
  height:100%;
  scroll-behavior:smooth;
  overflow-x:hidden; /* режем горизонтальный скролл и у html, и у body */
}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  -webkit-tap-highlight-color:transparent;
}
:root{
  --bg:#0a0a0a;
  --fg:#f5f5f5;
  --muted:#bdbdbd;
  --pad:clamp(16px,2.4vw,32px);
  --grid:max(68rem,74vw);
}
body{
  font-family:'Inter','Helvetica Neue','Segoe UI','Roboto',system-ui,sans-serif;
  background:var(--bg);
  color:var(--fg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none}

/* =========================================================
   Nav + CORE trigger
========================================================= */
.nav{
  position:fixed;
  inset:0 0 auto 0;
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 var(--pad);
  z-index:1000;
  background:linear-gradient(180deg,rgba(10,10,10,.85),rgba(10,10,10,0));
  backdrop-filter:saturate(140%) blur(6px);
}
.brand__mark{
  font-weight:800;
  letter-spacing:.18em;
  text-transform:uppercase;
  transition:text-shadow .3s,transform .3s,color .3s;
}
.brand__mark:hover{
  text-shadow:0 0 8px rgba(255,255,255,.4);
  transform:translateY(-1px);
}

/* Десктопное меню */
.nav__group{
  display:flex;
  align-items:center;
  gap:18px;
}
.link{
  position:relative;
  text-transform:uppercase;
  font-size:.78rem;
  letter-spacing:.18em;
}
.link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-6px;
  height:1px;
  background:#fff;
  opacity:.25;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s,opacity .35s;
}
.link:hover::after{
  transform:scaleX(1);
  opacity:.5;
}

/* CORE-триггер (бургер) */
.core-trigger{
  display:none;
  background:none;
  border:0;
  margin-left:auto;
  padding:0;
  width:52px;
  height:52px;
  border-radius:999px;
  align-items:center;
  justify-content:center;
}
.core-outer{
  position:relative;
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 0 18px rgba(255,255,255,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:border-color .35s,box-shadow .35s,background-color .35s;
}
.core-inner{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 8px rgba(255,255,255,.9);
  animation:coreDrift 24s ease-in-out infinite;
  transition:transform .35s ease-out;
}
.core-trigger.core-open .core-inner{
  animation:none;
  transform:translate(0,0);
}

/* Хаотичный полёт точки */
@keyframes coreDrift{
  0%   {transform:translate(-8px,-7px);}
  14%  {transform:translate(6px,-5px);}
  28%  {transform:translate(9px,7px);}
  43%  {transform:translate(-6px,9px);}
  61%  {transform:translate(7px,2px);}
  78%  {transform:translate(-9px,-3px);}
  100% {transform:translate(-8px,-7px);}
}

/* Мобильное меню */
.mobile-menu{
  position:fixed;
  top:80px;
  right:var(--pad);
  background:rgba(0,0,0,.94);
  color:#fff;
  border-radius:22px;
  padding:22px 26px;
  box-shadow:0 22px 60px rgba(0,0,0,.66);
  opacity:0;
  transform:translateY(-8px);
  pointer-events:none;
  transition:opacity .28s ease,transform .28s ease,background-color .3s,color .3s;
  z-index:999;
}
.mobile-menu ul{list-style:none;padding:0;margin:0;}
.mobile-menu li{margin:8px 0;}
.mobile-menu a{
  font-size:.95rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:500;
}
.mobile-menu.active{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}

/* Состояние шапки на светлых секциях */
.nav.nav--on-light .brand__mark{color:#111;}
.nav.nav--on-light .core-outer{
  border-color:rgba(0,0,0,.9);
  box-shadow:0 0 18px rgba(0,0,0,.25);
}
.nav.nav--on-light .core-inner{
  background:#000;
  box-shadow:0 0 7px rgba(0,0,0,.8);
}
.nav.nav--on-light .mobile-menu{
  background:rgba(255,255,255,.96);
  color:#000;
}
.nav.nav--on-light .mobile-menu a{color:#000;}

/* =========================================================
   Hero
========================================================= */
.hero{
  min-height:100vh;
  display:grid;
  place-items:center;
}
.hero__content{
  text-align:center;
  padding:120px var(--pad) 60px;
}
.hero__name{
  font-size:clamp(2rem,6vw,4rem);
  font-weight:800;
  letter-spacing:.22em;
  text-transform:uppercase;
  margin-bottom:16px;
}
#logoText{color:#fff}
#logoText span{
  display:inline-block;
  transition:transform .25s ease-out,text-shadow .3s ease-out;
}
#logoText span[data-space="true"]{pointer-events:none;}

.hero__slogan{
  margin-top:24px;
  font-size:clamp(1.1rem,2.4vw,1.6rem);
  letter-spacing:.22em;
  text-transform:uppercase;
  opacity:0;
  transform:translateY(8px) scale(.98);
  animation:heroSloganIntro 1.2s ease forwards .4s;
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:.6em;
  cursor:default;
}
.hero__slogan span{
  display:inline-block;
  transition:color .4s,text-shadow .4s;
  animation:subtleGlow 6s ease-in-out infinite alternate;
}
.hero__slogan span:hover{
  color:#fff;
  text-shadow:0 0 10px rgba(255,255,255,.45),
              0 0 20px rgba(255,255,255,.25),
              0 0 30px rgba(255,255,255,.15);
}
@keyframes heroSloganIntro{
  to{
    opacity:1;
    transform:translateY(0) scale(1);
  }
}
@keyframes subtleGlow{
  0%,100%{text-shadow:none}
  50%{text-shadow:0 0 6px rgba(255,255,255,.15)}
}

/* =========================================================
   Interlude
========================================================= */
.interlude{
  background:#fff;
  color:#0a0a0a;
  text-align:center;
  padding:140px var(--pad);
}
.hero__title{
  font-size:clamp(3rem,9.6vw,7rem);
  line-height:.9;
  font-weight:800;
  letter-spacing:-.02em;
}

/* =========================================================
   About
========================================================= */
.stage{
  background:#fff;
  color:#0a0a0a;
  padding:160px var(--pad);
  text-align:center;
}
.stage#about{
  scroll-margin-top:45vh;
}
.stage__title{
  max-width:56rem;
  margin:0 auto;
  font-size:clamp(1.05rem,1.6vw,1.35rem);
  font-weight:400;
  line-height:1.7;
}

/* =========================================================
   Work
========================================================= */
#work{
  background:#fff !important;
  padding:0;
}
#work::before,
#work::after{
  content:none !important;
}
.wall{
  width:100%;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(12,1fr);
}
.tile{
  grid-column:span 4;
  position:relative;
  overflow:hidden;
}
@media (max-width:1100px){
  .tile{grid-column:span 6;}
}
@media (max-width:680px){
  .tile{grid-column:1/-1;}
}
.tile img{
  width:100%;
  height:auto;
  min-height:300px;
  display:block;
  background:#111;
  transition:transform .7s ease;
  aspect-ratio:16/9;
  object-fit:cover;
}
.tile:hover img{transform:scale(1.06);}
.tile__caption{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  opacity:0;
  transition:opacity .35s,backdrop-filter .35s;
  background:rgba(0,0,0,.45);
  color:#fff;
  text-align:center;
  padding:12px;
}
.tile:hover .tile__caption{
  opacity:1;
  backdrop-filter:blur(2px);
}

/* =========================================================
   Contact
========================================================= */
.contact{
  padding:120px var(--pad);
  text-align:center;
}
.contact__grid{
  max-width:var(--grid);
  margin:0 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:28px;
}
.contact__lead{
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-size:clamp(1.4rem,3.6vw,2.2rem);
}
.contact__sub{
  color:var(--muted);
  margin-top:10px;
  max-width:52ch;
}
.form{
  background:linear-gradient(180deg,#0e0e0e,#0a0a0a);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:32px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  max-width:460px;
  width:100%;
}
.row{display:block;}
.field{
  position:relative;
  margin-bottom:18px;
}
.input{
  width:100%;
  padding:18px 14px;
  border-radius:14px;
  border:1px solid #1b1b1b;
  background:#0f0f0f;
  color:#fff;
  transition:border-color .25s,box-shadow .25s;
}
.input:focus{
  border-color:#fff;
  box-shadow:0 0 0 2px rgba(255,255,255,.15);
}
.label{
  position:absolute;
  left:16px;
  top:14px;
  padding:2px 6px;
  border-radius:8px;
  font-size:.85rem;
  color:#a9a9a9;
  background:rgba(255,255,255,.02);
  transform-origin:left top;
  transition:transform .2s,opacity .2s;
}
.field.filled .label,
.input:focus + .label{
  transform:translateY(-18px) scale(.88);
  opacity:.9;
  color:#fff;
}
.form__status{
  min-height:20px;
  font-size:.9rem;
  color:var(--muted);
  margin-top:18px;
  transition:opacity .3s;
}
.form__status--success{color:#9be7c4;}
.form__status--error{color:#ff8a80;}

.actions{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  margin-top:24px;
  flex-wrap:wrap;
}
.btn{
  position:relative;
  padding:16px 22px;
  border-radius:999px;
  border:1px solid #fff;
  background:#fff;
  color:#000;
  font-weight:700;
  text-transform:uppercase;
  cursor:pointer;
  transition:transform .25s,box-shadow .25s;
  isolation:isolate;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 25px rgba(255,255,255,.1);
}
.btn .glow{
  position:absolute;
  inset:-2px;
  border-radius:inherit;
  background:radial-gradient(280px 160px at var(--x,50%) var(--y,50%),rgba(255,255,255,.35),transparent 60%);
  opacity:0;
  transition:opacity .25s;
  filter:blur(14px);
}
.btn:hover .glow{opacity:1;}

.icon-btn{
  width:44px;
  height:44px;
  border:1px solid #1b1b1b;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#0f0f0f;
  color:#fff;
  transition:background .25s,border-color .25s,transform .2s;
}
.icon-btn:hover{
  background:#fff;
  color:#000;
  border-color:#fff;
  transform:translateY(-2px);
}
.icon-btn svg{
  width:20px;
  height:20px;
  fill:currentColor;
}

/* =========================================================
   Footer
========================================================= */
footer{
  padding:48px var(--pad);
  color:#bdbdbd;
  text-align:center;
}
.footer-left{
  font-weight:700;
  letter-spacing:.18em;
}
.footer-contact{
  font-size:.9rem;
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;
  margin-top:12px;
}
.footer-contact svg{
  width:16px;
  height:16px;
  opacity:.8;
}

/* =========================================================
   Premium cursor (desktop only)
========================================================= */
@media (hover:hover) and (pointer:fine){
  html,body{cursor:none !important;}
  *,
  a,
  button,
  [role="button"],
  label,
  input,
  textarea,
  select,
  summary{
    cursor:none !important;
    caret-color:transparent;
  }

  .cursor-dot,
  .cursor-ring{
    position:fixed;
    top:0;
    left:0;
    transform:translate(-50%,-50%);
    pointer-events:none;
    z-index:2147483647;
    transition:opacity .25s ease;
    mix-blend-mode:difference;
  }
  .cursor-dot{
    width:8px;
    height:8px;
    border-radius:50%;
    background:#fff;
    opacity:0;
  }
  .cursor-ring{
    width:36px;
    height:36px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,.7);
    opacity:0;
    transition:transform .28s cubic-bezier(.16,1,.3,1),
               border-color .2s,
               opacity .2s;
  }
  .cursor-ring.cursor--hover{
    transform:translate(-50%,-50%) scale(1.4);
    border-color:#fff;
  }
}

/* =========================================================
   Mobile polish
========================================================= */
@media (max-width:768px){
  .nav__group{display:none;}
  .core-trigger{display:flex;}

  #logoText{
    display:inline-block;
    transform-origin:center;
  }
  .stage#about{
    padding:80px 16px 96px;
    scroll-margin-top:32vh;
  }
}

/* =========================================================
   Reduced motion
========================================================= */
@media (prefers-reduced-motion:reduce){
  *{
    animation:none !important;
    transition:none !important;
  }
}