/* ============================================================
   inksiblis — dark futurism · UV ink
   Syne (display) / Space Grotesk (body)
   ============================================================ */
:root{
  --bg:#09090B;
  --bg-2:#0E0E12;
  --panel:#121218;
  --text:#EDEDF0;
  --muted:#8B8B95;
  --line:rgba(237,237,240,.09);
  --uv:#9D7BFF;
  --uv-soft:rgba(157,123,255,.5);
  --uv-dim:rgba(157,123,255,.14);
  --ff-display:'Syne',sans-serif;
  --ff-body:'Space Grotesk',system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  background:var(--bg);color:var(--text);font-family:var(--ff-body);
  font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--uv);color:#0A0710}

.uv{color:var(--uv)}
.uv-link{color:var(--uv);position:relative}
.uv-link::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--uv);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.uv-link:hover::after{transform:scaleX(1);transform-origin:left}

.h2{font-family:var(--ff-display);font-weight:800;font-size:clamp(2.6rem,7vw,5rem);line-height:1;letter-spacing:-.02em}

/* ---------- zrno ---------- */
.grain{
  position:fixed;inset:-50%;z-index:2;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(10) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}10%{transform:translate(-5%,-6%)}20%{transform:translate(-11%,4%)}
  30%{transform:translate(6%,-8%)}40%{transform:translate(-4%,12%)}50%{transform:translate(-9%,-4%)}
  60%{transform:translate(10%,0)}70%{transform:translate(0,9%)}80%{transform:translate(3%,13%)}90%{transform:translate(-7%,5%)}
}

/* ---------- kurzor ---------- */
.cursor,.cursor-ring{position:fixed;top:0;left:0;z-index:999;pointer-events:none;border-radius:50%;transform:translate(-50%,-50%)}
.cursor{width:7px;height:7px;background:var(--uv);box-shadow:0 0 12px var(--uv-soft)}
.cursor-ring{width:34px;height:34px;border:1px solid rgba(157,123,255,.4);transition:width .25s,height .25s,border-color .25s}
.cursor-ring.on{width:56px;height:56px;border-color:var(--uv)}
@media(pointer:coarse){.cursor,.cursor-ring{display:none}}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:1.3rem clamp(1.4rem,4vw,3.2rem);transition:background .4s,padding .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(9,9,11,.82);backdrop-filter:blur(14px);padding-top:.85rem;padding-bottom:.85rem;border-bottom-color:var(--line)}
.nav__brand{font-family:var(--ff-display);font-weight:800;font-size:1.35rem;letter-spacing:-.02em}
.nav__links{display:flex;align-items:center;gap:2.2rem}
.nav__links a{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);transition:color .25s;position:relative}
.nav__links a:hover{color:var(--text)}
.nav__cta{
  color:var(--text)!important;border:1px solid var(--uv);padding:.55rem 1.3rem;border-radius:40px;
  transition:background .3s,box-shadow .3s!important;
}
.nav__cta:hover{background:var(--uv-dim);box-shadow:0 0 24px -6px var(--uv-soft)}
.nav__ig{display:grid;place-items:center;color:var(--muted)}
.nav__ig:hover{color:var(--uv)}
.nav__toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:7px;background:none;border:0;cursor:pointer;padding:0;width:44px;height:44px;z-index:101}
.nav__toggle span{width:26px;height:1.5px;background:var(--text);transition:transform .3s,opacity .3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden;padding:6rem 1.5rem 4rem}
#ink{position:absolute;inset:0;width:100%;height:100%}
.hero__glow{
  position:absolute;top:32%;left:50%;transform:translate(-50%,-50%);width:min(720px,95vw);height:420px;
  background:radial-gradient(closest-side,var(--uv-dim),transparent 70%);filter:blur(40px);pointer-events:none;
  animation:breathe 7s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.12)}}
.hero__inner{position:relative;text-align:center;z-index:3}
.hero__eyebrow{font-size:.78rem;letter-spacing:.5em;text-transform:uppercase;color:var(--muted);margin-bottom:1.2rem}
.hero__title{font-family:var(--ff-display);font-weight:800;font-size:clamp(2.6rem,15vw,11rem);line-height:.95;letter-spacing:-.03em;white-space:nowrap}
.hero__word{display:inline-block;overflow:hidden;padding-bottom:.08em}
.hero__word span{display:inline-block;transform:translateY(115%) rotate(6deg);animation:rise 1s var(--ease) forwards}
.hero__word span:nth-child(1){animation-delay:.05s}
.hero__word span:nth-child(2){animation-delay:.11s}
.hero__word span:nth-child(3){animation-delay:.17s}
.hero__word span:nth-child(4){animation-delay:.23s}
.hero__word span:nth-child(5){animation-delay:.29s}
.hero__word span:nth-child(6){animation-delay:.35s}
.hero__word span:nth-child(7){animation-delay:.41s}
.hero__word span:nth-child(8){animation-delay:.47s}
.hero__word span:nth-child(9){animation-delay:.53s}
@keyframes rise{to{transform:translateY(0) rotate(0)}}
.hero__word .uv{text-shadow:0 0 34px var(--uv-soft);animation:rise 1s var(--ease) forwards,uvpulse 4s ease-in-out 1.4s infinite}
@keyframes uvpulse{0%,100%{text-shadow:0 0 24px var(--uv-soft)}50%{text-shadow:0 0 54px var(--uv),0 0 90px var(--uv-soft)}}
.hero__sub{color:var(--muted);font-size:clamp(1rem,2vw,1.2rem);margin:1.6rem 0 2.4rem;letter-spacing:.02em}
.hero__cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:3}
.hero__scroll span{display:block;width:1px;height:52px;background:linear-gradient(var(--uv),transparent);animation:drop 2.2s ease-in-out infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top;opacity:0}40%{transform:scaleY(1);opacity:1}100%{transform:scaleY(0);transform-origin:bottom;opacity:.3}}

/* ---------- tlačítka ---------- */
.btn{
  display:inline-block;font-family:var(--ff-body);font-weight:500;font-size:.85rem;letter-spacing:.18em;text-transform:uppercase;
  padding:1rem 2.2rem;border-radius:50px;cursor:pointer;border:1px solid transparent;
  transition:box-shadow .35s,background .3s,color .3s,border-color .3s;will-change:transform;
}
.btn--uv{background:var(--uv);color:#0A0710;border-color:var(--uv);box-shadow:0 0 0 rgba(157,123,255,0)}
.btn--uv:hover{box-shadow:0 0 44px -6px var(--uv);background:#B295FF}
.btn--line{background:transparent;color:var(--text);border-color:rgba(237,237,240,.25)}
.btn--line:hover{border-color:var(--uv);color:var(--uv)}
.btn--full{width:100%;text-align:center}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.1rem 0;background:var(--bg-2)}
.marquee__track{display:inline-flex;align-items:center;gap:2.4rem;white-space:nowrap;animation:mq 30s linear infinite;padding-left:2.4rem}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__track span{font-family:var(--ff-display);font-weight:600;font-size:1.05rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.marquee__track i{color:var(--uv);font-style:normal;font-size:.7rem}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- práce ---------- */
.work{max-width:1280px;margin:0 auto;padding:clamp(5rem,10vw,8rem) clamp(1.4rem,4vw,2.4rem)}
.work__head{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:3rem;flex-wrap:wrap}
.work__note{color:var(--muted);max-width:34ch;font-size:.95rem}
.work__grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:230px;gap:14px;grid-auto-flow:dense}
.work__item{
  position:relative;border-radius:10px;overflow:hidden;cursor:pointer;background:var(--panel);
  border:1px solid var(--line);transition:border-color .35s,transform .45s var(--ease),box-shadow .45s;
}
.work__item--tall{grid-row:span 2}
.work__item--wide{grid-column:span 2}
.work__item img{width:100%;height:100%;object-fit:cover;filter:grayscale(35%) contrast(1.05);transition:filter .5s,transform .8s var(--ease)}
.work__item:hover{border-color:var(--uv);transform:translateY(-5px);box-shadow:0 24px 60px -30px var(--uv-soft)}
.work__item:hover img{filter:grayscale(0) contrast(1.05);transform:scale(1.05)}
.work__item figcaption{
  position:absolute;inset:auto 0 0 0;padding:2.4rem .9rem .8rem;
  background:linear-gradient(transparent,rgba(9,9,11,.85));opacity:0;transform:translateY(8px);transition:.4s;
}
.work__item:hover figcaption{opacity:1;transform:none}
.work__item figcaption span{font-family:var(--ff-display);font-size:.8rem;letter-spacing:.3em;color:var(--uv)}
.work__item--ph{display:grid;place-items:center;cursor:default;background:
  radial-gradient(120% 120% at 20% 0%,var(--uv-dim),transparent 55%),var(--panel)}
.work__item--ph:hover{transform:none;box-shadow:none;border-color:var(--line)}
.work__num{font-family:var(--ff-display);font-weight:600;letter-spacing:.3em;color:rgba(237,237,240,.22);font-size:.95rem}
.work__more{text-align:center;margin-top:2.6rem;color:var(--muted);letter-spacing:.04em}
.work__expand{display:none}

/* ---------- o mně ---------- */
.about{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about__inner{max-width:1180px;margin:0 auto;padding:clamp(5rem,10vw,8rem) clamp(1.4rem,4vw,2.4rem);display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2.5rem,6vw,5rem);align-items:center}
.about__frame{
  aspect-ratio:3/4;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;text-align:center;
  color:var(--muted);font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;line-height:2.2;
  background:radial-gradient(130% 100% at 80% 10%,var(--uv-dim),transparent 60%),var(--panel);position:relative;overflow:hidden;
}
.about__frame::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(157,123,255,.08) 50%,transparent 70%);transform:translateX(-100%);animation:sheen 5s ease-in-out infinite}
@keyframes sheen{0%,60%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.about__lead{font-size:clamp(1.15rem,2.4vw,1.5rem);font-weight:400;color:var(--text);margin:1.4rem 0 1rem;line-height:1.5}
.about__text p{color:var(--muted);max-width:56ch}
.about__placeholder{margin-top:1.6rem;font-size:.75rem;letter-spacing:.34em;text-transform:uppercase;color:rgba(157,123,255,.55)!important}

/* ---------- rezervace ---------- */
.book{max-width:1180px;margin:0 auto;padding:clamp(5rem,10vw,8rem) clamp(1.4rem,4vw,2.4rem)}
.book__inner{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2.5rem,6vw,5rem);align-items:start}
.book__text p{color:var(--muted);margin-top:1.3rem;max-width:44ch}
.book__alt{font-size:.92rem}
.book__form{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:clamp(1.6rem,3.5vw,2.6rem);position:relative}
.book__form::before{content:"";position:absolute;inset:-1px;border-radius:14px;padding:1px;background:linear-gradient(140deg,var(--uv-soft),transparent 35%,transparent 70%,var(--uv-dim));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.field{margin-bottom:1.4rem}
.field label{display:block;font-size:.72rem;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.field input,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(237,237,240,.18);color:var(--text);
  font-family:var(--ff-body);font-size:1rem;font-weight:300;padding:.6rem 2px;transition:border-color .3s,box-shadow .3s;resize:vertical;
}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--uv);box-shadow:0 12px 20px -16px var(--uv-soft)}
.field ::placeholder{color:rgba(139,139,149,.55)}
.form-msg{margin-top:1rem;min-height:1.3em;font-size:.92rem;letter-spacing:.02em}
.form-msg.ok{color:#9EE8B4}
.form-msg.err{color:#F19999}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--bg-2)}
.foot__inner{max-width:1180px;margin:0 auto;padding:3rem clamp(1.4rem,4vw,2.4rem) 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.foot__brand{font-family:var(--ff-display);font-weight:800;font-size:1.3rem}
.foot__links{display:flex;gap:2rem}
.foot__links a{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);transition:color .25s}
.foot__links a:hover{color:var(--uv)}
.foot__loc{font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.foot__bottom{text-align:center;padding:0 1.5rem 2rem;color:rgba(139,139,149,.6);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;background:rgba(5,5,7,.94);backdrop-filter:blur(6px);padding:4vw;opacity:0;visibility:hidden;transition:opacity .3s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox figure{max-width:min(960px,92vw);text-align:center}
.lightbox img{max-width:100%;max-height:80vh;border-radius:8px;box-shadow:0 30px 90px -30px var(--uv-soft)}
.lightbox figcaption{margin-top:1rem;font-family:var(--ff-display);letter-spacing:.3em;color:var(--uv);font-size:.8rem}
.lightbox__close{position:absolute;top:18px;right:26px;background:none;border:0;color:var(--text);font-size:2.4rem;cursor:pointer;opacity:.75;transition:opacity .2s}
.lightbox__close:hover{opacity:1}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--text);font-size:3rem;cursor:pointer;opacity:.55;transition:opacity .2s;padding:1rem}
.lightbox__nav:hover{opacity:1}
.lightbox__nav--prev{left:1.5vw}
.lightbox__nav--next{right:1.5vw}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .work__grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:210px}
  .about__inner,.book__inner{grid-template-columns:1fr}
  .about__media{max-width:340px}
}
@media(max-width:640px){
  .nav__toggle{display:flex}
  .nav__links{
    position:fixed;inset:0;width:100vw;height:100dvh;flex-direction:column;justify-content:center;gap:2.2rem;
    background:#09090b;overflow-y:auto;
    transform:translateX(100%);transition:transform .4s ease;
  }
  .nav__links.open{transform:none}
  .nav__links a{font-size:1.05rem;display:flex;align-items:center;justify-content:center;min-height:44px}
  .nav.menu-open .nav__toggle span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
  .nav.menu-open .nav__toggle span:nth-child(2){transform:translateY(-4.5px) rotate(-45deg)}
  .work__grid{grid-template-columns:1fr;grid-auto-rows:300px}
  .work__item--wide{grid-column:span 1}
  .work__item--tall{grid-row:span 1}
  .work__item--extra{display:none}
  .work__grid.is-expanded .work__item--extra{display:block}
  .work__expand{
    display:block;margin:1.6rem auto 0;padding:.85rem 2.2rem;background:transparent;
    border:1px solid rgba(237,237,240,.22);color:var(--text);font-family:var(--ff-body);
    font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;border-radius:50px;cursor:pointer;
  }
  .work__grid.is-expanded ~ .work__expand{display:none}
  .foot__inner{flex-direction:column;text-align:center}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .hero__word span{transform:none}
  .cursor,.cursor-ring{display:none}
}