/* ==========================================================================
   Škola kreslenia Paleta — HUD / sci-fi line style
   ========================================================================== */
:root{
  --cobalt-900:#070b1f;
  --cobalt-800:#0c1538;
  --cobalt-700:#121d4d;
  --cobalt-500:#2a46d8;
  --cobalt-400:#4f6bff;
  --lemon:#f3e24a;
  --lemon-dim:#c9ba35;
  --white:#f6f5ef;
  --ink:#0a0f24;
  --line:rgba(246,245,239,.22);
  --line-strong:rgba(246,245,239,.4);
  --font-display: "Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --font-body: -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono: "SF Mono",ui-monospace,"Cascadia Mono","Consolas",monospace;
  --radius: 2px;
  --ease: cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--cobalt-900);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;line-height:1.08;font-weight:600}
p{margin:0 0 1em}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
::selection{background:var(--lemon);color:var(--ink)}
:focus-visible{outline:2px solid var(--lemon);outline-offset:3px}
input,textarea,select{accent-color:var(--lemon)}

.wrap{width:100%;max-width:1240px;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.mono{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:.72rem}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;left:-9999px}
.hp{display:none!important}

/* ---- HUD decorations -------------------------------------------------- */
.hud-tick{position:relative}
.hud-tick::before,.hud-tick::after{
  content:"";position:absolute;width:10px;height:10px;border:1px solid var(--line-strong);
}
.hud-frame{border:1px solid var(--line);position:relative}
.hud-frame::before,.hud-frame::after{
  content:"";position:absolute;width:14px;height:14px;
  border-top:1px solid var(--lemon);border-left:1px solid var(--lemon);top:-1px;left:-1px;
}
.hud-frame::after{top:auto;left:auto;bottom:-1px;right:-1px;border-top:none;border-left:none;border-bottom:1px solid var(--lemon);border-right:1px solid var(--lemon)}
.hud-label{display:flex;align-items:center;gap:.6em;color:var(--lemon)}
.hud-label::before{content:"";width:18px;height:1px;background:var(--lemon)}

/* ---- Buttons ----------------------------------------------------------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  min-height:44px;padding:.8em 1.6em;border:1px solid var(--line-strong);
  background:transparent;color:var(--white);font-family:var(--font-mono);
  letter-spacing:.06em;text-transform:uppercase;font-size:.8rem;overflow:hidden;isolation:isolate;
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.btn::before{
  content:"";position:absolute;inset:0;left:-100%;width:100%;background:var(--lemon);z-index:-1;
  transition:left .35s var(--ease);
}
.btn:hover::before,.btn:focus-visible::before{left:0}
.btn:hover,.btn:focus-visible{color:var(--ink);border-color:var(--lemon)}
.btn-primary{background:var(--lemon);color:var(--ink);border-color:var(--lemon)}
.btn-primary::before{background:var(--cobalt-400)}
.btn-primary:hover,.btn-primary:focus-visible{color:var(--white)}
.btn-ghost{border-color:var(--line)}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn svg{width:1.1em;height:1.1em;position:relative;z-index:1}
.btn span{position:relative;z-index:1}

/* ---- Header ------------------------------------------------------------ */
.site-header{
  position:sticky;top:0;z-index:40;background:rgba(7,11,31,.86);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 0}
.logo{display:flex;align-items:center}
.logo svg{width:168px;height:36px}
.main-nav{display:none}
.main-nav ul{display:flex;gap:1.8rem;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.main-nav a{position:relative;padding:.3em 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--lemon);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.main-nav a:hover::after,.main-nav a:focus-visible::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:.9rem}
.cart-link{position:relative;display:flex;align-items:center;gap:.4em;font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
.cart-link svg{width:20px;height:20px}
.cart-count{
  display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;
  background:var(--lemon);color:var(--ink);border-radius:50%;font-size:.68rem;font-weight:700;
}
.cart-count.bump{animation:bump .35s var(--ease)}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.5)}100%{transform:scale(1)}}
.menu-btn{display:flex;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:1px solid var(--line);color:var(--white)}
.menu-btn svg{width:20px;height:20px}

.mobile-nav{
  position:fixed;inset:0 0 0 auto;width:min(80vw,340px);height:100vh;background:var(--cobalt-800);
  border-left:1px solid var(--line);padding:5.5rem 1.5rem 2rem;z-index:50;
  transform:translateX(100%);visibility:hidden;transition:transform .35s var(--ease),visibility .35s;
  overflow-y:auto;
}
.mobile-nav.open{transform:translateX(0);visibility:visible}
.mobile-nav ul{display:flex;flex-direction:column;gap:1.4rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;font-size:.95rem}
.mobile-nav .close-btn{position:absolute;top:1.1rem;right:1.2rem;width:44px;height:44px;background:none;border:1px solid var(--line);color:var(--white);display:flex;align-items:center;justify-content:center}
.mobile-nav .close-btn svg{width:18px;height:18px}
.nav-backdrop{position:fixed;inset:0;background:rgba(5,8,20,.6);z-index:45;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.nav-backdrop.open{opacity:1;visibility:visible}

@media (min-width:860px){
  .main-nav{display:block}
  .menu-btn{display:none}
}

/* ---- Hero / magazine cover --------------------------------------------- */
.hero{
  position:relative;padding:clamp(2.4rem,6vw,5rem) 0 clamp(3rem,7vw,6rem);overflow:hidden;
}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr;gap:2.2rem}
@media (min-width:980px){
  .hero .wrap{grid-template-columns:1.3fr .9fr;align-items:center}
}
.hero-eyebrow{display:flex;align-items:center;gap:.8em;color:var(--lemon);margin-bottom:1.2rem}
.hero-eyebrow::before{content:"";width:28px;height:1px;background:var(--lemon)}
.hero h1{
  font-size:clamp(2.6rem,7.5vw,5.6rem);letter-spacing:-.01em;color:var(--white);
}
.hero h1 em{font-style:normal;color:var(--lemon)}
.hero-sub{max-width:34ch;font-size:1.05rem;color:rgba(246,245,239,.82)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.6rem}

.hero-visual{position:relative;aspect-ratio:4/5;max-width:440px;justify-self:center}
.hero-photo{
  position:absolute;inset:0;border:1px solid var(--line);overflow:hidden;
}
.hero-photo img{
  width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.15) brightness(.9);
}
.hero-photo .duo{
  position:absolute;inset:0;mix-blend-mode:color;background:linear-gradient(160deg,var(--cobalt-400),var(--lemon));
  opacity:.85;transition:opacity .2s linear;
}
.hero-svg{position:absolute;inset:-6% -10%;width:120%;height:112%;pointer-events:none}

.index-rail{
  grid-row:2;display:flex;flex-direction:column;gap:.1rem;border-top:1px solid var(--line);padding-top:1rem;
}
@media (min-width:980px){.index-rail{grid-row:auto}}
.index-rail a{
  display:flex;align-items:baseline;gap:.9em;padding:.55em 0;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.04em;color:rgba(246,245,239,.75);
}
.index-rail a span.num{color:var(--lemon)}
.index-rail a:hover,.index-rail a:focus-visible{color:var(--white)}

/* grain overlay */
.grain{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:1;opacity:.05;mix-blend-mode:overlay}

/* continuous ambient element */
.hud-ring{position:fixed;right:-120px;top:30vh;width:260px;height:260px;border:1px solid var(--line);border-radius:50%;pointer-events:none;z-index:1;opacity:.5}
.hud-ring::before{content:"";position:absolute;inset:18px;border:1px solid var(--line);border-radius:50%}
.hud-ring::after{content:"";position:absolute;top:-1px;left:50%;width:1px;height:14px;background:var(--lemon)}
@media (prefers-reduced-motion:no-preference){
  .hud-ring{animation:spin 40s linear infinite}
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- Section scaffolding ------------------------------------------------ */
.section{padding:clamp(3.2rem,7vw,6rem) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{display:flex;flex-direction:column;gap:.5rem;margin-bottom:2.4rem}
.section-num{font-family:var(--font-mono);color:var(--lemon);font-size:.8rem;letter-spacing:.1em}
.section-title{font-size:clamp(1.8rem,3.6vw,2.8rem)}
.section-lede{max-width:56ch;color:rgba(246,245,239,.78)}
.divider{display:block;width:100%;height:auto;color:var(--line)}

/* reveal */
.reveal{opacity:1;transform:none}
.reveal.js-hide{opacity:0;transform:translateY(26px)}
.reveal.in-view{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
@media (prefers-reduced-motion:reduce){
  .reveal.js-hide{opacity:1;transform:none}
}

/* ---- Course grid / cards ------------------------------------------------ */
.course-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.4rem}
@media (max-width:640px){
  .course-strip{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:1rem;padding-bottom:.5rem;margin-inline:-1rem;padding-inline:1rem}
  .course-strip .course-card{flex:0 0 78%;scroll-snap-align:start}
}
.course-card{
  position:relative;border:1px solid var(--line);background:var(--cobalt-800);display:flex;flex-direction:column;
  transition:transform .35s var(--ease),border-color .35s var(--ease);
}
.course-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.course-media{aspect-ratio:4/3;overflow:hidden;position:relative}
.course-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);filter:saturate(.85)}
.course-card:hover .course-media img{transform:scale(1.07)}
.course-tag{position:absolute;top:.7rem;left:.7rem;background:var(--cobalt-900);border:1px solid var(--line-strong);padding:.3em .6em;color:var(--lemon)}
.course-body{padding:1.1rem 1.1rem 1.3rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.course-body h3{font-size:1.2rem}
.course-meta{display:flex;flex-wrap:wrap;gap:.6em 1em;color:rgba(246,245,239,.65)}
.course-price{margin-top:auto;display:flex;align-items:baseline;justify-content:space-between;padding-top:.8rem;border-top:1px solid var(--line)}
.course-price .amount{font-family:var(--font-display);font-size:1.4rem;color:var(--lemon)}
.course-card a.card-link{position:absolute;inset:0}
.course-card .btn{position:relative;z-index:2}

/* ---- Planner (signature feature) --------------------------------------- */
.planner{border:1px solid var(--line);background:var(--cobalt-800);padding:clamp(1.2rem,3vw,2.2rem)}
.planner-grid{display:grid;grid-template-columns:auto repeat(6,1fr);gap:.4rem;overflow-x:auto}
.planner-grid .corner{grid-column:1}
.planner-head,.planner-row-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(246,245,239,.7);display:flex;align-items:center;justify-content:center;padding:.4em}
.planner-row-label{justify-content:flex-start;min-width:92px}
.slot-btn{
  min-height:44px;min-width:44px;border:1px solid var(--line);background:transparent;color:var(--white);
  display:flex;align-items:center;justify-content:center;transition:background .25s,border-color .25s;
}
.slot-btn:hover{border-color:var(--line-strong)}
.slot-btn[aria-pressed="true"]{background:var(--lemon);color:var(--ink);border-color:var(--lemon)}
.planner-result{margin-top:1.6rem;border-top:1px solid var(--line);padding-top:1.4rem}
.planner-result ul{display:flex;flex-direction:column;gap:.7rem}
.planner-result li{display:flex;align-items:center;justify-content:space-between;gap:1rem;border:1px solid var(--line);padding:.7em 1em}
.planner-result li a{color:var(--lemon)}
.planner-empty{color:rgba(246,245,239,.6)}

/* ---- About / split ------------------------------------------------------ */
.split{display:grid;gap:2rem}
@media (min-width:860px){.split{grid-template-columns:1fr 1fr;align-items:center}}
.media-frame{position:relative;aspect-ratio:3/2;overflow:hidden;border:1px solid var(--line)}
.media-frame img{width:100%;height:100%;object-fit:cover}

/* badge seal */
.seal{width:120px;height:120px}

/* ---- Forms --------------------------------------------------------------- */
.form-grid{display:grid;gap:1.1rem;max-width:620px}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(246,245,239,.75)}
.field input,.field textarea,.field select{
  background:var(--cobalt-900);border:1px solid var(--line);color:var(--white);padding:.75em .9em;min-height:44px;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus-visible,.field textarea:focus-visible,.field select:focus-visible{border-color:var(--lemon)}
.field-error{color:var(--lemon);font-size:.82rem;min-height:1.2em}
.form-msg{border:1px solid var(--line-strong);padding:1em;margin-top:1rem}
.form-msg.ok{border-color:var(--lemon);color:var(--lemon)}
.form-msg.err{border-color:#ff6868;color:#ff8a8a}
.checkbox-row{display:flex;align-items:flex-start;gap:.6em}
.checkbox-row input{width:20px;height:20px;min-height:0;flex:0 0 auto;margin-top:.1em}

/* ---- Cart / checkout ------------------------------------------------------ */
.cart-table{width:100%;border-collapse:collapse}
.cart-table th,.cart-table td{text-align:left;padding:.8em .6em;border-bottom:1px solid var(--line)}
.cart-table th{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:rgba(246,245,239,.7)}
.cart-item-name{display:flex;flex-direction:column;gap:.2rem}
.qty-input{width:64px}
.cart-remove{background:none;border:1px solid var(--line);color:var(--white);min-height:36px;padding:0 .8em}
.cart-summary{display:flex;justify-content:flex-end;gap:2rem;align-items:baseline;padding:1rem 0;font-family:var(--font-mono)}
.cart-summary .total{font-family:var(--font-display);font-size:1.6rem;color:var(--lemon)}
.cart-empty{padding:3rem 0;text-align:center;color:rgba(246,245,239,.7)}

/* ---- Content pages (legal etc.) ------------------------------------------ */
.prose{max-width:68ch}
.prose h2{margin-top:2em;font-size:1.4rem}
.prose ul{list-style:disc;padding-left:1.3em;margin-bottom:1em}
.prose li{margin-bottom:.4em}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{padding:1.1em 0;cursor:pointer;font-family:var(--font-display);font-size:1.1rem;display:flex;justify-content:space-between;gap:1em;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary .chev{transform:rotate(180deg)}
.faq-item .chev{transition:transform .3s var(--ease);flex:0 0 auto}
.faq-item p{padding-bottom:1.2em;color:rgba(246,245,239,.8)}

/* ---- Icon list ------------------------------------------------------------ */
.icon-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.6rem}
.icon-list li{display:flex;gap:1em;align-items:flex-start}
.icon-list svg{width:28px;height:28px;flex:0 0 auto;color:var(--lemon)}

/* ---- Newsletter / footer --------------------------------------------------- */
.site-footer{border-top:1px solid var(--line);padding:clamp(2.5rem,5vw,4rem) 0 2rem;background:var(--cobalt-800)}
.footer-top{display:grid;gap:2.4rem;margin-bottom:2.4rem}
@media (min-width:760px){.footer-top{grid-template-columns:1.1fr 1fr 1fr 1fr}}
.footer-cols{display:grid;gap:2rem;grid-template-columns:repeat(3,1fr)}
@media (max-width:759px){.footer-cols{grid-template-columns:1fr 1fr}}
.footer-col h4{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--lemon);margin-bottom:.9rem}
.footer-col ul{display:flex;flex-direction:column;gap:.55rem;color:rgba(246,245,239,.78)}
.footer-col a:hover{color:var(--white);text-decoration:underline}
.newsletter-form{display:flex;flex-wrap:wrap;gap:.6rem;max-width:380px}
.newsletter-form input{flex:1;min-width:160px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;border-top:1px solid var(--line);padding-top:1.4rem;color:rgba(246,245,239,.6);font-size:.82rem}

/* ---- Cookie banner ---------------------------------------------------------- */
.cookie-banner{
  position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:60;max-width:680px;margin-inline:auto;
  background:var(--cobalt-800);border:1px solid var(--line-strong);padding:1.3rem;display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  transform:translateY(130%);transition:transform .4s var(--ease);
}
.cookie-banner.show{transform:translateY(0)}
.cookie-banner p{margin:0;flex:1 1 260px;color:rgba(246,245,239,.85);font-size:.9rem}
.cookie-actions{display:flex;gap:.7rem;flex-wrap:wrap}
.btn-decline{color:var(--white);border-color:var(--line-strong)}

/* ---- Page header (non-home) ------------------------------------------------ */
.page-hero{padding:clamp(2.6rem,6vw,4.5rem) 0 2rem;border-bottom:1px solid var(--line)}
.page-hero .section-num{margin-bottom:.6rem}
.page-hero h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.breadcrumb{font-family:var(--font-mono);font-size:.74rem;color:rgba(246,245,239,.6);letter-spacing:.05em;text-transform:uppercase;margin-bottom:1rem}

/* 404 */
.error-page{min-height:60vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:1rem;text-align:left}
.error-page .code{font-family:var(--font-mono);color:var(--lemon);font-size:clamp(3rem,10vw,6rem);letter-spacing:.05em}