/* ==========================================================================
   AD4 — ad4.lol / ad4.team / ad4.agency
   Сива редакционна палитра. Цветът идва само от самите проекти.
   ========================================================================== */

/* Локални шрифтове — субсетирани до глифите, които страницата реално рендира.
   Inter Tight е вариативен (400–600) в един файл на азбука.               */

@font-face{
  font-family:"Inter Tight";
  font-style:normal;
  font-weight:400 600;
  font-display:swap;
  src:url("../fonts/inter-tight-cyrillic.woff2?v=7b8231ef") format("woff2");
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+2116;
}
@font-face{
  font-family:"Inter Tight";
  font-style:normal;
  font-weight:400 600;
  font-display:swap;
  src:url("../fonts/inter-tight-latin.woff2?v=4ffc8dce") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2122,U+2191,U+2193,U+2197,U+20AC,U+2212;
}
/* Latin Extended-A — č ć đ š ž за сръбския. Тегли се само на страница, която ги съдържа. */
@font-face{
  font-family:"Inter Tight";
  font-style:normal;
  font-weight:400 600;
  font-display:swap;
  src:url("../fonts/inter-tight-latin-ext.woff2?v=b80eaa1f") format("woff2");
  unicode-range:U+0100-0130,U+0132-0151,U+0154-017F;
}
@font-face{
  font-family:"JetBrains Mono";
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url("../fonts/jetbrains-mono-cyrillic.woff2?v=192d6827") format("woff2");
  unicode-range:U+0400-045F,U+0490-0491,U+2116;
}
@font-face{
  font-family:"JetBrains Mono";
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url("../fonts/jetbrains-mono-latin.woff2?v=0fe06299") format("woff2");
  unicode-range:U+0000-00FF,U+2013,U+2014,U+2018-201D,U+2022,U+2026,U+2191,U+2193,U+2197;
}
@font-face{
  font-family:"JetBrains Mono";
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url("../fonts/jetbrains-mono-latin-ext.woff2?v=15abaea1") format("woff2");
  unicode-range:U+0100-0130,U+0132-0151,U+0154-017F;
}

:root{
  --bg:#09090a;
  --bg-2:#0e0e10;
  --bg-3:#141417;

  --ink:#f4f4f2;
  --ink-2:#aeaeaa;
  --ink-3:#737376;
  --ink-4:#434348;

  --line:rgba(244,244,242,.09);
  --line-2:rgba(244,244,242,.19);

  --gut:clamp(16px,3.2vw,46px);
  --nav-h:58px;

  --e:cubic-bezier(.16,1,.3,1);
  --e-io:cubic-bezier(.62,.05,.2,1);
}

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

html{scroll-behavior:smooth;overflow-x:clip;-webkit-text-size-adjust:100%}

body{
  margin:0;
  max-width:100vw;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.55;letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,p{margin:0}
ul{margin:0;padding:0;list-style:none}

.mono{
  font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11px;font-weight:400;letter-spacing:.12em;
  text-transform:uppercase;line-height:1.4;
}

.pad{padding-inline:var(--gut)}
.bleed{margin-inline:calc(var(--gut) * -1)}

/* ---------- Атмосфера ----------------------------------------------------- */

.grain{
  position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.038;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Лека светлина отгоре и притъмняване в краищата — стаята да не е плоска. */
.vig{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(120% 70% at 50% -10%,rgba(244,244,242,.055),transparent 60%),
    radial-gradient(100% 100% at 50% 50%,transparent 55%,rgba(0,0,0,.42) 100%);
}

.prog{
  position:fixed;top:0;left:0;z-index:95;height:1.5px;width:100%;
  background:var(--ink);transform:scaleX(var(--p,0));transform-origin:left;
  will-change:transform;
}

/* ---------- Интро --------------------------------------------------------- */

.intro{
  position:fixed;inset:0;z-index:100;
  background:var(--bg);
  display:grid;place-items:center;
  transition:transform .85s var(--e),visibility .85s;
}
.intro__w{
  font-size:clamp(34px,7vw,74px);font-weight:600;letter-spacing:-.05em;
  display:flex;overflow:hidden;
}
.intro__w span{
  display:block;transform:translateY(105%);
  animation:introUp .7s var(--e) forwards;
}
.intro__w span:nth-child(2){animation-delay:.07s}
.intro__w span:nth-child(3){animation-delay:.14s}
@keyframes introUp{to{transform:none}}
.intro__n{
  position:absolute;bottom:var(--gut);right:var(--gut);
  color:var(--ink-4);font-variant-numeric:tabular-nums;
}
.intro.done{transform:translateY(-101%);visibility:hidden}

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

.nav{
  position:fixed;top:0;left:0;right:0;z-index:80;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-bottom:1px solid transparent;
  transition:background .5s var(--e),border-color .5s var(--e),backdrop-filter .5s;
}
.nav.solid{background:rgba(9,9,10,.76);backdrop-filter:blur(14px);border-bottom-color:var(--line)}

.brand{display:flex;align-items:baseline;gap:2px;font-weight:600;font-size:17px;letter-spacing:-.04em}
.brand sup{font-size:8px;font-weight:400;color:var(--ink-3);translate:0 -6px}
.brand i{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-style:normal;font-size:9.5px;font-weight:400;letter-spacing:.11em;
  text-transform:uppercase;color:var(--ink-4);margin-left:7px;
  transition:color .35s var(--e);
}
.brand:hover i{color:var(--ink-2)}

.nav__mid{color:var(--ink-3);display:flex;gap:8px;align-items:center}
.nav__mid b{color:var(--ink-2);font-weight:400;font-variant-numeric:tabular-nums}

.nav__cta{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);transition:color .3s}
.nav__cta:hover{color:var(--ink)}
.nav__cta em{font-style:normal;display:inline-block;transition:transform .4s var(--e)}
.nav__cta:hover em{transform:translate(3px,-3px)}

/* ---------- Разкриване ----------------------------------------------------- */

.ln{display:block;overflow:hidden}
.ln > span{display:block;transform:translateY(102%);transition:transform 1.05s var(--e)}
.in .ln > span,.ln.in > span{transform:none}
.ln:nth-child(2) > span{transition-delay:.07s}
.ln:nth-child(3) > span{transition-delay:.14s}
.ln:nth-child(4) > span{transition-delay:.21s}

.fade{opacity:0;transform:translateY(16px);transition:opacity .9s var(--e),transform .9s var(--e)}
.fade.in{opacity:1;transform:none}
.fade[data-d="1"]{transition-delay:.1s}
.fade[data-d="2"]{transition-delay:.2s}
.fade[data-d="3"]{transition-delay:.3s}

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

.hero{
  min-height:100svh;position:relative;z-index:10;
  padding-top:calc(var(--nav-h) + clamp(20px,4.4vh,48px));
  padding-bottom:14px;
  display:flex;flex-direction:column;
}

.hero__top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(232px,318px);
  gap:clamp(22px,5vw,64px);
  align-items:end;
}

.hero h1{
  font-size:clamp(38px,8.1vw,134px);
  font-weight:600;line-height:.93;letter-spacing:-.048em;margin-top:10px;
}
.hero h1 .dim{color:var(--ink-4)}

.hero__meta{padding-bottom:clamp(4px,1.2vh,14px)}
.hero__meta p{color:var(--ink-2);font-size:15px;max-width:34ch}

/* Числата носят блока, затова са едри; етикетът стои под тях. */
.facts{
  margin:22px 0 0;
  display:grid;grid-template-columns:1fr 1fr;
  gap:1px;background:var(--line);
  border:1px solid var(--line);
}
.facts > div{
  background:var(--bg);
  display:flex;flex-direction:column-reverse;
  gap:6px;padding:13px 14px 12px;
  position:relative;isolation:isolate;
  transition:background .5s var(--e);
}
.facts > div::before{
  content:"";position:absolute;z-index:-1;inset:0;
  background:var(--bg-3);
  transform:scaleY(0);transform-origin:bottom;
  transition:transform .45s var(--e);
}
.facts > div:hover::before{transform:scaleY(1);transform-origin:top}

.facts dd{
  margin:0;color:var(--ink);
  font-size:clamp(23px,2.5vw,34px);font-weight:600;
  letter-spacing:-.045em;line-height:.95;
  font-variant-numeric:tabular-nums;
  transition:transform .5s var(--e);
}
.facts > div:hover dd{transform:translateY(-2px)}
.facts dt{
  color:var(--ink-4);font-size:9.5px;letter-spacing:.12em;line-height:1.35;
  transition:color .4s var(--e);
}
.facts > div:hover dt{color:var(--ink-3)}

/* Лентата с работа запълва долната част на екрана с истински проекти. */
.strip{
  margin-top:auto;
  padding-top:clamp(20px,3.6vh,40px);
  overflow:hidden;
  display:flex;
  mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
}
.strip__t{
  display:flex;flex:none;gap:10px;padding-right:10px;
  animation:slide 46s linear infinite;
  will-change:transform;
}
.strip:hover .strip__t{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-100%)}}

.strip a,.strip__d{
  flex:none;width:clamp(124px,12vw,168px);position:relative;display:block;
  border:1px solid var(--line);
}
.strip img{
  /* height:auto е задължително — иначе height атрибутът бие aspect-ratio. */
  width:100%;height:auto;aspect-ratio:16/10;
  object-fit:cover;object-position:top center;
  filter:grayscale(1) brightness(.72) contrast(1.08);
  transition:filter .55s var(--e),transform .55s var(--e);
}
.strip a:hover img{filter:none;transform:scale(1.04)}
.strip__d{display:block}
.strip b{
  display:block;padding:7px 9px 8px;color:var(--ink-4);font-weight:400;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .4s var(--e);
}
.strip a:hover b{color:var(--ink)}

.hero__foot{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-top:clamp(12px,2vh,20px);
}
.down{display:inline-flex;align-items:center;gap:10px;color:var(--ink-3)}
.down i{width:1px;height:24px;background:var(--line-2);position:relative;overflow:hidden}
.down i::after{content:"";position:absolute;inset:0;background:var(--ink);animation:drop 2.2s var(--e-io) infinite}
@keyframes drop{0%{transform:translateY(-100%)}55%,100%{transform:translateY(100%)}}

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

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

/* Котвите да не влизат под фиксираната лента. */
section[id],[id="top"]{scroll-margin-top:calc(var(--nav-h) + 14px)}
.sec{padding-block:clamp(48px,7.2vh,88px)}

.sec__head{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:clamp(16px,3vw,44px);align-items:end;margin-bottom:clamp(24px,3.8vh,42px);
}
.sec__head h2{font-size:clamp(27px,4.7vw,64px);font-weight:600;line-height:.98;letter-spacing:-.04em}
.sec__head p{color:var(--ink-2);max-width:46ch;font-size:15.5px}
.sec__lbl{display:flex;justify-content:space-between;gap:16px;color:var(--ink-4);margin-bottom:15px}
.sec__lbl b{color:var(--ink-3);font-weight:400}

/* ---------- Индекс ---------------------------------------------------------- */

.fil{
  position:sticky;top:var(--nav-h);z-index:40;
  display:flex;flex-wrap:wrap;gap:4px 22px;align-items:center;
  padding-block:13px;
  background:rgba(9,9,10,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  margin-inline:calc(var(--gut) * -1);padding-inline:var(--gut);
}
.fil button{cursor:pointer;color:var(--ink-4);position:relative;padding-block:3px;transition:color .3s var(--e)}
.fil button::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:right;transition:transform .45s var(--e);
}
.fil button:hover{color:var(--ink-2)}
.fil button:hover::after,.fil button.on::after{transform:scaleX(1);transform-origin:left}
.fil button.on{color:var(--ink)}
.fil__n{margin-left:auto;color:var(--ink-4);font-variant-numeric:tabular-nums}

/* Асиметрична мрежа — редът се чупи нарочно, за да не изглежда като каталог. */
.idx{
  display:grid;
  grid-template-columns:repeat(30,minmax(0,1fr));
  grid-auto-flow:row dense;
  gap:clamp(14px,1.7vw,26px) clamp(10px,1.1vw,16px);
}

.card{
  position:relative;display:block;grid-column:span 6;
  opacity:0;transform:translateY(20px);
  transition:opacity .8s var(--e),transform .8s var(--e);
}
.card.in{opacity:1;transform:none}
.card.out{display:none}
.card--lg{grid-column:span 15}
.card--md{grid-column:span 10}

.card__f{
  /* span-ове са inline по подразбиране — без това aspect-ratio не важи. */
  display:block;
  position:relative;overflow:hidden;background:var(--bg-3);
  border:1px solid var(--line);
  aspect-ratio:16/10;
}
.card__f img{
  width:100%;height:100%;object-fit:cover;object-position:top center;
  filter:grayscale(1) brightness(.78) contrast(1.06);
  transition:filter .6s var(--e),transform .8s var(--e),opacity .5s;
}
/* Баджът стои горе вляво, за да не се бие със стрелката. */
.card__new{
  position:absolute;top:0;left:0;z-index:2;
  padding:4px 8px;
  background:var(--ink);color:var(--bg);
  font-size:9px;letter-spacing:.13em;
  transform:translateY(-100%);
  transition:transform .45s var(--e);
}
.card.in .card__new{transform:none}

.card__go{
  position:absolute;top:0;right:0;z-index:2;
  width:42px;height:42px;display:grid;place-items:center;
  background:var(--ink);color:var(--bg);font-size:17px;
  transform:translate(100%,-100%);
  transition:transform .45s var(--e);
}

.card__b{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:baseline;gap:2px 9px;
  border-top:1px solid var(--line);
  padding-top:9px;margin-top:10px;
  transition:border-color .45s var(--e);
}
/* Едрите карти запазват трите части на един ред. */
.card--lg .card__b,.card--md .card__b{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding-top:10px;margin-top:11px;
}
.card__n{display:block;color:var(--ink-4);flex:none;font-size:9.5px;grid-row:span 2;transition:color .45s var(--e)}
.card--lg .card__n,.card--md .card__n{font-size:11px;grid-row:auto}
.card__name{
  display:block;margin:0;
  font-size:14.5px;font-weight:500;letter-spacing:-.025em;line-height:1.2;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  transition:transform .5s var(--e);
}
.card--lg .card__name,.card--md .card__name{
  margin:0 auto 0 0;white-space:normal;
  font-size:clamp(17px,1.85vw,27px);letter-spacing:-.03em;line-height:1.15;
}
.card__cat{
  display:block;color:var(--ink-4);flex:none;
  grid-column:2;font-size:9.5px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  transition:color .45s var(--e);
}
.card--lg .card__cat,.card--md .card__cat{
  color:var(--ink-3);text-align:right;font-size:11px;grid-column:auto;
}

@media (hover:hover){
  .idx:hover .card.in{opacity:.34}
  .idx .card.in:hover{opacity:1}
  .card:hover .card__f img{filter:none;transform:scale(1.045)}
  .card:hover .card__go{transform:none}
  .card:hover .card__b{border-color:var(--line-2)}
  .card:hover .card__n{color:var(--ink-2)}
  .card:hover .card__cat{color:var(--ink-2)}
  .card:hover .card__name{transform:translateX(5px)}
}

/* ---------- Манифест -------------------------------------------------------- */

.man{
  border-block:1px solid var(--line);
  padding-block:clamp(44px,7vh,86px);
}
.man p{
  font-size:clamp(22px,3.7vw,48px);font-weight:500;line-height:1.12;letter-spacing:-.038em;
  max-width:20ch;
}
.man b{font-weight:inherit;opacity:.16;transition:opacity .6s var(--e)}
.man b.in{opacity:1}
.man .soft{color:var(--ink-4)}

/* Където браузърът може — думите светват точно спрямо скрола. */
@supports (animation-timeline: view()){
  .man b{
    opacity:.16;animation:word linear both;
    animation-timeline:view();
    animation-range:entry calc(14% + var(--i) * 1.15%) cover calc(30% + var(--i) * 1.15%);
  }
  .man b.in{opacity:inherit}
}
@keyframes word{to{opacity:1}}

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

.svc{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(26px,5vw,70px);align-items:start}
.svc__side{position:sticky;top:calc(var(--nav-h) + 40px)}
.svc__side h2{font-size:clamp(26px,4vw,50px);font-weight:600;line-height:1;letter-spacing:-.04em}
.svc__side p{color:var(--ink-2);margin-top:14px;max-width:32ch;font-size:15.5px}

.svc__list{border-bottom:1px solid var(--line)}
.svc__i{
  position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;
  padding:clamp(14px,2vh,22px) 0;border-top:1px solid var(--line);isolation:isolate;
  opacity:0;transform:translateY(14px);
  transition:opacity .7s var(--e),transform .7s var(--e);
}
.svc__i.in{opacity:1;transform:none}
.svc__i::before{
  content:"";position:absolute;z-index:-1;inset:0 -20px;background:var(--bg-3);
  transform:scaleX(0);transform-origin:left;transition:transform .55s var(--e);
}
.svc__i::after{
  content:"";position:absolute;left:0;top:-1px;height:1px;width:100%;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .7s var(--e);
}
.svc__i:hover::before{transform:scaleX(1)}
.svc__i:hover::after{transform:scaleX(1)}
.svc__i:hover .svc__i-n{color:var(--ink)}
.svc__i:hover h3{transform:translateX(10px)}
.svc__i-n{color:var(--ink-4);transition:color .4s var(--e)}
.svc__i h3{font-size:clamp(18px,2.1vw,26px);font-weight:500;letter-spacing:-.03em;transition:transform .5s var(--e)}
.svc__i p{color:var(--ink-3);margin-top:8px;font-size:14.8px;max-width:52ch}

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

.con{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(34px,6vw,90px);align-items:start}
.con h2{font-size:clamp(27px,4.7vw,62px);font-weight:600;line-height:.98;letter-spacing:-.04em}

.mail{
  display:inline-block;margin-top:20px;position:relative;overflow:hidden;
  font-size:clamp(17px,2.3vw,30px);font-weight:500;letter-spacing:-.03em;
  padding-bottom:7px;
}
.mail span{display:block;transition:transform .5s var(--e)}
.mail span:last-child{position:absolute;inset:0;transform:translateY(100%);color:var(--ink)}
.mail:hover span:first-child{transform:translateY(-100%)}
.mail:hover span:last-child{transform:none}
.mail::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line-2);
  transition:background .4s var(--e);
}
.mail:hover::after{background:var(--ink)}

.who{margin-top:22px;display:grid;gap:7px;justify-items:start}
.who b{font-weight:500;font-size:17px;letter-spacing:-.02em;line-height:1.2}
.who span{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);
  line-height:1.2;
}
.con__meta dd a{border-bottom:1px solid var(--line-2);transition:color .3s,border-color .3s}
.con__meta dd a:hover{color:var(--ink);border-color:var(--ink)}

.con__meta{margin:0;padding-top:22px;display:grid;gap:9px}
.con__meta div{display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding-top:9px}
.con__meta dt{color:var(--ink-4)}
.con__meta dd{margin:0;color:var(--ink-2)}

.f{position:relative;padding-top:22px}
.two > .f{margin-top:0}
.two + .f{margin-top:18px}
.f label{position:absolute;top:0;left:0;color:var(--ink-4);transition:color .3s var(--e)}
.f input,.f select,.f textarea{
  width:100%;padding:9px 0 11px;border-bottom:1px solid var(--line);
  font-size:16px;letter-spacing:-.015em;outline:none;border-radius:0;
  transition:border-color .4s var(--e);
}
.f textarea{resize:vertical;min-height:112px;line-height:1.5}
.f select{cursor:pointer;-webkit-appearance:none;appearance:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none' stroke='%23737376'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E") right center no-repeat}
.f select option{background:var(--bg-2);color:var(--ink)}
.f input::placeholder,.f textarea::placeholder{color:var(--ink-4)}
.f::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--e);
}
.f:focus-within::after{transform:scaleX(1)}
.f:focus-within label{color:var(--ink-2)}

.two{display:grid;grid-template-columns:1fr 1fr;gap:16px 26px}
.hp{position:absolute;left:-9999px;width:0;height:0;opacity:0;pointer-events:none}

.send{
  margin-top:24px;width:100%;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;position:relative;isolation:isolate;overflow:hidden;
  border:1px solid var(--line-2);font-size:15px;font-weight:500;letter-spacing:-.01em;
  transition:color .4s var(--e),border-color .4s var(--e);
}
.send::before{
  content:"";position:absolute;z-index:-1;inset:0;background:var(--ink);
  transform:translateY(101%);transition:transform .5s var(--e);
}
.send:hover:not(:disabled){color:var(--bg);border-color:var(--ink)}
.send:hover:not(:disabled)::before{transform:none}
.send em{font-style:normal;transition:transform .45s var(--e)}
.send:hover:not(:disabled) em{transform:translate(4px,-4px)}
.send:disabled{cursor:not-allowed;color:var(--ink-4);border-color:var(--line)}

.note{color:var(--ink-4);margin-top:14px}
.msg{
  display:none;margin-top:20px;padding:13px 16px;
  border-left:2px solid var(--ink-3);background:var(--bg-2);
  font-size:14.5px;color:var(--ink-2);
}
.msg.on{display:block;animation:pop .5s var(--e)}
.msg.err{border-left-color:#c86a6a;color:#e0a5a5}
@keyframes pop{from{opacity:0;transform:translateY(-6px)}}

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

footer{
  position:relative;z-index:10;overflow:hidden;
  border-top:1px solid var(--line);
  padding-top:clamp(34px,5.5vh,60px);
}

/* Голямата покана — буквите изплуват, стрелката тръгва по диагонал. */
.fbig{
  display:flex;align-items:center;gap:clamp(14px,2vw,30px);
  margin:clamp(14px,2.4vh,26px) 0 clamp(34px,5.5vh,58px);
  font-size:clamp(30px,6.6vw,96px);font-weight:600;
  line-height:.98;letter-spacing:-.045em;
  width:max-content;max-width:100%;
}
.fbig__t{
  position:relative;display:block;
  background-image:linear-gradient(var(--ink),var(--ink));
  background-size:0% 1px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .55s var(--e);
  padding-bottom:.06em;
}
.fbig:hover .fbig__t{background-size:100% 1px}
.fbig__a{
  display:grid;place-items:center;flex:none;
  width:clamp(40px,4.6vw,72px);aspect-ratio:1;border-radius:50%;
  border:1px solid var(--line-2);
  font-size:clamp(17px,2vw,30px);line-height:1;
  position:relative;isolation:isolate;overflow:hidden;
  transition:border-color .45s var(--e),color .45s var(--e),transform .55s var(--e);
}
.fbig__a::before{
  content:"";position:absolute;z-index:-1;inset:0;border-radius:50%;
  background:var(--ink);transform:scale(0);
  transition:transform .5s var(--e);
}
.fbig:hover .fbig__a{color:var(--bg);border-color:var(--ink);transform:rotate(45deg)}
.fbig:hover .fbig__a::before{transform:scale(1)}

/* ---- Колони ---- */

.fcols{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,44px);
  padding-bottom:clamp(26px,4vh,44px);
  border-bottom:1px solid var(--line);
}
.fcols > *{display:grid;gap:9px;align-content:start}
.fh{color:var(--ink-4);margin-bottom:5px}
.fn{color:var(--ink);font-size:15px}

/* Линк, чийто текст се подменя с копие отдолу. */
.fl{
  position:relative;display:block;overflow:hidden;
  color:var(--ink-2);font-size:15px;width:max-content;max-width:100%;
  line-height:1.35;
}
.fl span{display:block;transition:transform .48s var(--e),color .48s var(--e)}
.fl span:last-child{position:absolute;inset:0;transform:translateY(105%);color:var(--ink)}
.fl:hover span:first-child{transform:translateY(-105%)}
.fl:hover span:last-child{transform:none}

.fstat{display:inline-flex;align-items:center;gap:9px;color:var(--ink-2);transition:color .3s}
.fstat:hover{color:var(--ink)}
.fstat b{font-weight:400}
.fdot{
  width:7px;height:7px;border-radius:50%;background:var(--ink-4);flex:none;
  transition:background .4s;
}
.fdot.up{background:#5fd18b;animation:beat 2.4s var(--e-io) infinite}
.fdot.warn{background:#e0b25c}
.fdot.down{background:#d96a6a}
@keyframes beat{
  0%{box-shadow:0 0 0 0 rgba(95,209,139,.45)}
  70%{box-shadow:0 0 0 8px rgba(95,209,139,0)}
  100%{box-shadow:0 0 0 0 rgba(95,209,139,0)}
}
.fnote{color:var(--ink-4)}

/* ---- Долна лента ---- */

.fbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;color:var(--ink-4);
  padding-block:clamp(16px,2.4vh,24px);
}
.fbar__c{margin-right:auto;margin-left:clamp(12px,3vw,48px)}

.ftop{display:inline-flex;align-items:center;gap:9px;color:var(--ink-3);transition:color .35s}
.ftop:hover{color:var(--ink)}
.ftop i{
  display:grid;place-items:center;width:26px;height:26px;
  border:1px solid var(--line-2);border-radius:50%;font-style:normal;font-size:12px;
  overflow:hidden;position:relative;
  transition:border-color .4s var(--e);
}
.ftop:hover i{border-color:var(--ink)}
.ftop i::after{
  content:"↑";position:absolute;transform:translateY(110%);
  transition:transform .45s var(--e);
}
.ftop:hover i::after{transform:none}
.ftop:hover i{color:transparent}
.ftop:hover i::after{color:var(--ink)}

/* ---- Подпис ---- */

.sig{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-top:clamp(14px,2.4vh,30px);margin-bottom:-.2em;
  font-size:clamp(76px,15.2vw,214px);
  font-weight:600;line-height:.78;letter-spacing:-.05em;
  color:var(--ink);
  user-select:none;
}
.sig span{
  display:block;opacity:0;
  transform:translateY(38%);
  transition:opacity 1.1s var(--e),transform 1.1s var(--e);
}
.sig.in span{opacity:.085;transform:none}
.sig.in span:nth-child(2){transition-delay:.09s}
.sig.in span:nth-child(3){transition-delay:.18s}

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

/* Малките се разреждат 5 → 3 → 2; водещите остават по две в ред до телефона. */
@media (max-width:1180px){
  .card,.card--md{grid-column:span 10}
}

@media (max-width:1080px){
  .svc{grid-template-columns:1fr}
  .svc__side{position:static}
  .con{grid-template-columns:1fr}
  .man p{max-width:26ch}
}

@media (max-width:700px){
  .card,.card--md,.card--lg{grid-column:span 15}
}

@media (max-width:760px){
  body{font-size:15px}

  /* На телефон всичко е центрирано и по-стегнато. */
  .hero,.sec__head,.sec__lbl,.man,.con,.foot,.st-head{text-align:center}

  .hero{min-height:auto;padding-bottom:clamp(22px,4vh,38px);padding-top:calc(var(--nav-h) + 26px)}
  .hero .strip{margin-top:clamp(24px,4.4vh,40px)}
  .hero__top{grid-template-columns:1fr;align-items:start;gap:20px}
  .hero h1{font-size:clamp(34px,10.4vw,58px);line-height:.97;margin-top:8px}
  .hero__meta{padding-bottom:0}
  .hero__meta p{margin-inline:auto;max-width:34ch}
  .facts{margin:18px auto 0;max-width:340px;text-align:center}
  .facts > div{align-items:center;padding:12px 10px}
  .hero__foot{justify-content:center;gap:16px}
  .hero__foot > span:last-child{display:none}

  .nav__mid{display:none}
  .brand i{display:none}

  .sec{padding-block:clamp(40px,6vh,64px)}
  .sec__head{grid-template-columns:1fr;gap:12px;align-items:start;margin-bottom:24px}
  .sec__head p{margin-inline:auto;max-width:40ch}
  .sec__lbl{justify-content:center}
  .sec__lbl b{display:none}

  /* Индексът: две колони, стегнати, с центриран надпис. */
  .idx{gap:16px 10px}
  .card__go{display:none}
  .idx:hover .card.in{opacity:1}
  /* Блок вместо grid — така text-align наистина центрира.
     Важи и за водещите карти, иначе името им се смачква в редица. */
  .card__b,
  .card--lg .card__b,
  .card--md .card__b{display:block;text-align:center;padding-top:9px;margin-top:9px}
  .card--lg .card__name,.card--md .card__name{
    margin:2px 0 1px;white-space:normal;font-size:15px;letter-spacing:-.025em;line-height:1.25;
  }
  .card--lg .card__cat,.card--md .card__cat{text-align:center;font-size:9.5px;color:var(--ink-4)}
  .card--lg .card__n,.card--md .card__n{font-size:9.5px}
  .card__n,.card__name,.card__cat{display:block;text-align:center;margin:0}
  .card__name,.card--lg .card__name{font-size:14.5px;line-height:1.25;margin:2px 0 1px}
  .card--lg:first-child .card__name{font-size:18px}
  .card__n{font-size:9.5px}
  .card__cat{font-size:9.5px}
  .card__new{padding:4px 8px;font-size:9px}

  .fil{gap:2px 13px;font-size:9.5px;letter-spacing:.07em;justify-content:center;padding-block:11px}
  .fil__n{display:none}

  .man{padding-block:clamp(36px,5.5vh,58px)}
  .man p{max-width:22ch;margin-inline:auto;font-size:clamp(21px,5.8vw,30px)}

  .svc{gap:24px}
  .svc__side{text-align:center}
  .svc__side p{margin-inline:auto}
  .svc__i{grid-template-columns:1fr;gap:4px;text-align:center;padding-block:15px}
  .svc__i-n{font-size:9.5px}
  .svc__i:hover h3{transform:none}
  .svc__i p{margin-inline:auto;max-width:40ch}

  .con{gap:28px}
  .con__meta{padding-top:18px}
  .who{justify-items:center}
  .con__meta div{flex-direction:column;gap:2px;align-items:center;text-align:center}
  .con__meta dd{text-align:center}
  .mail{margin-top:16px}

  .two{grid-template-columns:1fr;gap:12px}
  .f{padding-top:19px;text-align:left}
  .f input,.f select,.f textarea{text-align:left}
  .f textarea{min-height:96px}
  .send{justify-content:center;gap:10px;padding:15px 18px}

  .foot{justify-content:center;gap:10px 18px}
  .foot nav{justify-content:center}

  /* Футърът: две колони, всичко центрирано. */
  .fbig{
    flex-direction:column;gap:14px;width:100%;text-align:center;
    margin:14px 0 30px;font-size:clamp(28px,9vw,44px);
  }
  .fbig__t{padding-bottom:.1em}
  .fbig__a{width:46px;font-size:18px}
  .fcols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px;text-align:center}
  .fcols > *{justify-items:center;gap:7px}
  .fl,.fn,.fstat{width:auto;font-size:14px}
  .fl span:last-child{left:0;right:0}
  .fbar{justify-content:center;text-align:center;gap:10px 16px}
  .fbar__c{margin:0;order:3;flex-basis:100%}
  .ftop{order:2}
  .sig{margin-top:18px}

  .strip a{width:112px}
}

@media (max-width:420px){
  .idx{gap:15px 9px}
  .card__name{font-size:13.5px}
  .hero h1{font-size:clamp(31px,10.6vw,44px)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .ln > span{transform:none}
  .fade,.card,.svc__i{opacity:1;transform:none}
  .man b{opacity:1}
  .intro{display:none}
  .idx:hover .card.in{opacity:1}
}

/* ---------- Избор на език ------------------------------------------------------ */

.nav__r{display:flex;align-items:center;gap:clamp(14px,2vw,28px)}

.lang{display:flex;align-items:center;gap:3px}

.lang a{
  display:flex;align-items:center;gap:6px;
  padding:5px 7px;color:var(--ink-4);position:relative;
  transition:color .3s var(--e);
}
.lang a::after{
  content:"";position:absolute;left:7px;right:7px;bottom:1px;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:right;
  transition:transform .4s var(--e);
}
.lang a:hover{color:var(--ink-2)}
.lang a:hover::after{transform:scaleX(1);transform-origin:left}
.lang a.on{color:var(--ink)}
.lang a.on::after{transform:scaleX(1)}

/* Флагът е сив, докато не е избран — същото правило като при проектите. */
.fg{
  display:block;flex:none;width:21px;height:14px;
  border-radius:1.5px;
  outline:1px solid rgba(244,244,242,.16);
  outline-offset:-1px;
  filter:grayscale(1) contrast(.82) brightness(.9);
  transform-origin:left center;
  transition:filter .5s var(--e),transform .45s var(--e),outline-color .4s;
  will-change:transform;
}
.lang a:hover .fg{
  filter:none;
  outline-color:rgba(244,244,242,.34);
  animation:wave 1.1s var(--e-io) infinite;
}
.lang a.on .fg{
  filter:none;
  outline-color:rgba(244,244,242,.3);
  animation:unfurl .8s var(--e) .25s both;
}

/* Лек плат на вятъра — само скосяване и мащаб, без прерисуване. */
@keyframes wave{
  0%,100%{transform:skewY(0deg) scaleX(1)}
  25%    {transform:skewY(-2.4deg) scaleX(.96)}
  50%    {transform:skewY(0deg) scaleX(1.01)}
  75%    {transform:skewY(2.4deg) scaleX(.96)}
}

/* Избраният се разгъва веднъж при зареждане. */
@keyframes unfurl{
  0%  {transform:scaleX(.2) skewY(6deg);opacity:.2}
  60% {transform:scaleX(1.04) skewY(-2deg);opacity:1}
  100%{transform:none;opacity:1}
}

.lang b{font-weight:400;letter-spacing:.1em}

@media (max-width:900px){
  .lang b{display:none}
  .lang a{padding:5px 5px;gap:0}
}

@media (max-width:760px){
  .nav__r{gap:10px}
  .lang{gap:1px}
  .lang a{padding:4px 4px}
  .lang a::after{left:4px;right:4px}
  .fg{width:19px;height:12.7px}
  .nav__cta{display:none}
}

@media (prefers-reduced-motion:reduce){
  .lang a:hover .fg,.lang a.on .fg{animation:none}
}

/* ---------- Страница 404 -------------------------------------------------------- */

.e404 main{
  position:relative;z-index:10;
  padding-top:calc(var(--nav-h) + clamp(40px,10vh,110px));
  padding-bottom:clamp(30px,5vh,56px);
}
.nf404{max-width:60ch}
.nf404 h1{
  font-size:clamp(38px,8vw,116px);font-weight:600;
  line-height:.94;letter-spacing:-.048em;margin-top:10px;
}
.nf404 h1 .dim{color:var(--ink-4)}
.nf404__lead{color:var(--ink-2);max-width:44ch;margin-top:22px;font-size:15.5px}
.e404 .fbig{margin:clamp(26px,4.5vh,46px) 0 clamp(22px,3.5vh,34px)}
.nf404__nav{display:flex;flex-wrap:wrap;gap:10px 28px}
.nf404__sl{margin-top:clamp(34px,6vh,66px);color:var(--ink-4)}
.e404 .strip{position:relative;z-index:10;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.e404 footer{margin-top:clamp(30px,5vh,58px)}

@media (max-width:760px){
  .e404 main{padding-top:calc(var(--nav-h) + 34px);text-align:center}
  .nf404{max-width:none}
  .nf404 h1{font-size:clamp(34px,10.5vw,58px)}
  .nf404__lead{margin-inline:auto}
  .nf404__nav{justify-content:center;gap:8px 20px}
  .nf404__sl{justify-content:center;text-align:center}
  .e404 .fbig{margin-inline:auto}
}