/* =========================================================================
   ROK Lyceum Bot — landing styles
   Motyw aplikacji (ciemny + złoto). Animacje tylko transform/opacity (szybkie).
   ========================================================================= */
:root{
  --bg:#0E1116; --bg2:#11151b; --card:#171C24; --card2:#1F2630; --line:#262d38;
  --gold:#E7B84B; --gold-2:#F2C75C; --text:#E8EDF4; --muted:#8A94A6;
  --green:#3FB950; --blue:#58A6FF; --red:#F85149;
  --maxw:1180px; --r:18px; --r-sm:12px;
  --sh:0 18px 50px -18px rgba(0,0,0,.65);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.6;overflow-x:hidden;
  background-image:
    radial-gradient(1100px 520px at 88% -8%, rgba(231,184,75,.10), transparent 60%),
    radial-gradient(900px 480px at -10% 6%, rgba(88,166,255,.06), transparent 55%);
  background-attachment:fixed;background-repeat:no-repeat;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:700}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.gold{color:var(--gold)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--gold);color:#000;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-weight:700;font-size:1rem;
  padding:.85em 1.4em;border-radius:12px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s,border-color .18s;
  white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-primary{background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#15110a;
  box-shadow:0 10px 26px -10px rgba(231,184,75,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(231,184,75,.7)}
.btn-ghost{background:var(--card);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--gold);color:var(--gold)}
.btn-lg{font-size:1.08rem;padding:1em 1.8em}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:100;
  background:rgba(14,17,22,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(14,17,22,.9)}
.nav{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:1.12rem}
.brand img{width:30px;height:30px}
.nav-links{display:flex;gap:6px;margin-left:auto}
.nav-links a{color:var(--muted);font-weight:600;font-size:.95rem;padding:.5em .8em;border-radius:9px;
  transition:color .2s,background .2s}
.nav-links a:hover{color:var(--text);background:var(--card)}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;background:var(--card);border:1px solid var(--line);border-radius:9px;overflow:hidden}
.lang-switch a{padding:.4em .7em;font-weight:700;font-size:.82rem;color:var(--muted);transition:.2s}
.lang-switch a.active{background:var(--gold);color:#15110a}
.lang-switch a:not(.active):hover{color:var(--text)}
.nav-toggle{display:none;background:var(--card);border:1px solid var(--line);border-radius:9px;
  width:42px;height:40px;cursor:pointer;color:var(--text);font-size:1.2rem}

/* ---- window frame (prezentacja zrzutów) ---- */
.window-frame{background:var(--card);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;box-shadow:var(--sh)}
.wf-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#10141a;border-bottom:1px solid var(--line)}
.wf-bar i{width:11px;height:11px;border-radius:50%;display:block}
.wf-bar i:nth-child(1){background:#ff5f57}.wf-bar i:nth-child(2){background:#febc2e}.wf-bar i:nth-child(3){background:#28c840}
.wf-bar span{margin-left:10px;color:var(--muted);font-size:.78rem;font-weight:600}
.window-frame img{width:100%;height:auto;background:var(--card)}

/* ---- hero ---- */
.hero{padding:clamp(44px,8vw,96px) 0 clamp(40px,6vw,72px)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;color:var(--gold);font-weight:700;
  font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(231,184,75,.1);border:1px solid rgba(231,184,75,.25);
  padding:.4em .9em;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(2.05rem,4.6vw,3.5rem);margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(90deg,var(--gold-2),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1.02rem,1.6vw,1.2rem);color:#c4cdda;max-width:36em;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.badges{display:flex;gap:10px;flex-wrap:wrap;list-style:none}
.badges li{display:flex;align-items:center;gap:.5em;color:var(--muted);font-size:.9rem;font-weight:600;
  background:var(--card);border:1px solid var(--line);padding:.5em .9em;border-radius:999px}
.badges li svg{color:var(--green);flex:none}
.hero-media{position:relative}
.hero-media .window-frame{max-width:430px;margin-left:auto;animation:float 7s ease-in-out infinite}
.hero-media::before{content:"";position:absolute;inset:-12% -6% -6% 10%;z-index:-1;
  background:radial-gradient(closest-side,rgba(231,184,75,.22),transparent 70%);filter:blur(20px)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---- stats ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center}
.stat b{display:block;font-size:clamp(1.5rem,3vw,2rem);color:var(--gold);letter-spacing:-.03em}
.stat span{color:var(--muted);font-size:.86rem;font-weight:600}

/* ---- sections ---- */
section{padding:clamp(48px,7vw,88px) 0}
.section-head{text-align:center;max-width:42em;margin:0 auto clamp(34px,5vw,52px)}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.6rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ---- features ---- */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);
  border-radius:var(--r);padding:26px;transition:transform .25s var(--ease),border-color .25s}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(231,184,75,.45)}
.feature-card .ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:rgba(231,184,75,.12);color:var(--gold);margin-bottom:16px}
.feature-card h3{font-size:1.18rem;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:.96rem}

/* ---- steps ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px}
.step-num{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#15110a;margin-bottom:16px;font-size:1.1rem}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.96rem}
.step kbd{background:var(--card2);border:1px solid var(--line);border-bottom-width:2px;border-radius:7px;
  padding:.05em .5em;font-family:inherit;font-weight:700;color:var(--gold)}

/* ---- gallery ---- */
.gallery-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.gallery-tabs button{background:var(--card);border:1px solid var(--line);color:var(--muted);
  font-weight:700;font-size:.95rem;padding:.7em 1.3em;border-radius:11px;cursor:pointer;transition:.2s}
.gallery-tabs button:hover{color:var(--text)}
.gallery-tabs button.active{background:var(--gold);color:#15110a;border-color:var(--gold)}
.gallery-stage{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;max-width:980px;margin:0 auto}
.gallery-figure{max-width:380px;margin:0 auto;cursor:zoom-in}
.gallery-figure .window-frame{transition:transform .4s var(--ease),opacity .4s}
.gallery-panel h3{font-size:clamp(1.3rem,2.4vw,1.8rem);margin-bottom:12px}
.gallery-panel p{color:var(--muted);font-size:1.02rem;margin-bottom:16px}
.gallery-panel ul{list-style:none;display:grid;gap:10px}
.gallery-panel li{display:flex;gap:.6em;align-items:flex-start;color:#c4cdda;font-size:.98rem}
.gallery-panel li::before{content:"✓";color:var(--green);font-weight:800;flex:none}

/* ---- download band ---- */
.download{background:linear-gradient(180deg,var(--card),var(--bg2));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.download-card{text-align:center;max-width:760px;margin:0 auto}
.download-card h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-bottom:14px}
.download-card p{color:var(--muted);font-size:1.08rem;margin-bottom:28px}
.req{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:30px}
.req span{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.5em 1em;
  color:var(--muted);font-size:.88rem;font-weight:600}
.req b{color:var(--text)}

/* ---- FAQ ---- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:1.05rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:1.5rem;font-weight:400;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 22px 20px;color:var(--muted);font-size:.98rem}
.faq a{color:var(--blue)}

/* ---- footer ---- */
.site-footer{border-top:1px solid var(--line);padding:46px 0 34px;color:var(--muted)}
.footer-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:26px}
.footer-top .brand{color:var(--text)}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{color:var(--muted);font-weight:600;font-size:.92rem;transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.disclaimer{font-size:.82rem;line-height:1.6;border-top:1px solid var(--line);padding-top:22px}

/* ---- lightbox ---- */
.lightbox{position:fixed;inset:0;background:rgba(6,8,11,.9);backdrop-filter:blur(6px);
  display:none;place-items:center;z-index:300;padding:24px;cursor:zoom-out}
.lightbox.open{display:grid;animation:fade .25s ease}
.lightbox img{max-width:min(540px,92vw);max-height:90vh;width:auto;border-radius:14px;
  box-shadow:0 30px 80px -20px #000;border:1px solid var(--line)}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---- reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}

/* ============================ RESPONSIVE ============================ */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-cta,.badges{justify-content:center}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-media{order:-1}
  .hero-media .window-frame{margin:0 auto;max-width:380px}
  .features-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .gallery-stage{grid-template-columns:1fr;gap:26px}
  .gallery-figure{order:-1}
  .gallery-panel{text-align:center}
  .gallery-panel ul{display:inline-grid;text-align:left}
}
@media (max-width:760px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:4px;
    background:rgba(14,17,22,.98);border-bottom:1px solid var(--line);padding:14px 22px}
  .nav-links.open{display:flex}
  .nav-links a{padding:.8em 1em}
  .nav-toggle{display:block}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav-actions .btn-download{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .features-grid,.steps{grid-template-columns:1fr}
  .hero h1{font-size:2rem}
  .btn{width:100%;justify-content:center}
  .hero-cta{flex-direction:column}
  .lang-switch a{padding:.4em .6em}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}