/* ==========================================================================
   AI Evolution Polska PRO — landing sprzedażowy (demo)
   Paleta: void black + złoto Polska. Fonty lokalne (Cormorant + Montserrat).
   ========================================================================== */

@font-face{font-family:'Cormorant';src:url('../fonts/Cormorant-SemiBold.ttf') format('truetype');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Cormorant';src:url('../fonts/Cormorant-Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Montserrat';src:url('../fonts/Montserrat-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Montserrat';src:url('../fonts/Montserrat-SemiBold.ttf') format('truetype');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Montserrat';src:url('../fonts/Montserrat-Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}

:root{
  --void:#07080c;
  --ink:#0b0d13;
  --panel:rgba(255,255,255,.025);
  --line:rgba(255,255,255,.085);
  --line-strong:rgba(224,178,90,.35);
  --gold:#e0b25a;
  --gold-lt:#f4cf7e;
  --gold-dk:#b8893a;
  --text:#eef0f6;
  --muted:#b2bbcf;
  --muted-2:#98a2bb;
  --serif:'Cormorant',Georgia,'Times New Roman',serif;
  --sans:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --pad:clamp(20px,4vw,48px);
  --maxw:1240px;
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;
  background:var(--void);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:600;line-height:1.08;letter-spacing:-.015em}
h1,h2{text-wrap:balance}
h1,h2{font-family:var(--serif)}
h2{font-size:clamp(2rem,4.6vw,3.6rem)}
h2 em,h1 em{font-style:italic;color:var(--gold)}
p{margin:0}
ul,ol,dl{margin:0;padding:0;list-style:none}
::selection{background:var(--gold);color:#0a0a0a}

/* ---------- warstwa 3D ---------- */
#gl{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% 0%,rgba(224,178,90,.07),transparent 60%),
    radial-gradient(100% 70% at 50% 100%,rgba(0,0,0,.85),transparent 55%),
    linear-gradient(180deg,rgba(7,8,12,.35),rgba(7,8,12,.72) 55%,rgba(7,8,12,.94));
}
#gl-fallback{
  position:fixed;bottom:16px;left:16px;z-index:60;max-width:320px;
  padding:10px 14px;border:1px solid var(--line);background:rgba(11,13,19,.9);
  color:var(--muted);font-size:12px;border-radius:var(--radius)
}
main,header.nav,.menu,footer{position:relative;z-index:2}

/* ---------- pasek postępu ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:1px;z-index:70;background:transparent}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold-dk),var(--gold-lt));box-shadow:0 0 12px rgba(224,178,90,.7)}

/* ---------- nawigacja ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:40;
  display:flex;align-items:center;gap:28px;
  padding:18px var(--pad);
  transition:background .35s ease,padding .35s ease,border-color .35s ease;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{background:rgba(7,8,12,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line);padding-top:12px;padding-bottom:12px}
.nav__brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav__brand img{width:46px;height:auto;filter:drop-shadow(0 0 16px rgba(224,178,90,.45))}
.nav__brand-txt{font-family:var(--serif);font-size:19px;letter-spacing:.01em}
.nav__brand-txt em{color:var(--gold);font-style:italic}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:13.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.nav__links a{position:relative;padding:4px 0;transition:color .25s}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .3s ease}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{right:0}
.nav__cta{margin-left:4px}
.nav__burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);width:42px;height:36px;padding:0;cursor:pointer;flex-direction:column;justify-content:center;gap:4px;align-items:center}
.nav__burger span{display:block;width:18px;height:1px;background:var(--text);transition:transform .3s,opacity .3s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.menu{
  position:fixed;inset:0;z-index:39;background:rgba(7,8,12,.97);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:80px var(--pad);
}
.menu a{font-family:var(--serif);font-size:clamp(28px,7vw,40px);padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.menu .btn{margin-top:26px;font-family:var(--sans);font-size:14px;border-bottom:0}

/* ---------- przyciski ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  padding:16px 28px;border-radius:var(--radius);border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s;
  cursor:pointer;
}
.btn--gold{background:linear-gradient(120deg,var(--gold-lt),var(--gold) 45%,var(--gold-dk));color:#100c04;box-shadow:0 12px 40px -16px rgba(224,178,90,.75)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 50px -16px rgba(224,178,90,.9)}
.btn--line,.btn--ghost{border-color:rgba(255,255,255,.22);color:var(--text);background:rgba(255,255,255,.02)}
.btn--line:hover,.btn--ghost:hover{border-color:var(--gold);color:var(--gold-lt)}
.nav__cta{padding:11px 20px;font-size:11px}

/* ---------- sekcje ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(80px,11vw,150px) var(--pad)}
.kicker{
  font-size:11.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);
  margin-bottom:20px;display:flex;align-items:center;gap:14px;
}
.kicker::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.section__head{max-width:780px;margin-bottom:clamp(44px,6vw,72px)}
.section__lead{margin-top:22px;color:var(--muted);font-size:clamp(15px,1.5vw,17.5px);max-width:660px}
.muted{color:var(--muted-2);font-size:14.5px;margin-top:18px}

/* ---------- HERO ---------- */
.hero{
  min-height:100svh;display:flex;align-items:center;
  max-width:var(--maxw);margin:0 auto;
  padding:140px var(--pad) calc(90px + env(safe-area-inset-bottom));
}
.hero__inner{max-width:1000px}
.hero__title{font-size:clamp(2.6rem,7.4vw,6rem);letter-spacing:-.03em;line-height:.98}
.hero__title span{display:block}
.hero__title em{display:block;font-size:clamp(1.35rem,3.1vw,2.5rem);margin-top:18px;line-height:1.25;letter-spacing:-.01em}
.hero__lead{margin-top:30px;max-width:610px;color:var(--muted);font-size:clamp(15.5px,1.6vw,18px)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:clamp(48px,7vw,84px);border-top:1px solid var(--line)}
.stats>div{padding:22px 18px 0 0}
.stats dt{font-family:var(--serif);font-size:clamp(1.9rem,3.6vw,2.9rem);color:var(--gold-lt);line-height:1}
.stats dd{margin:8px 0 0;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.hero__scroll{
  position:absolute;bottom:34px;left:var(--pad);display:flex;align-items:center;gap:12px;
  font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted-2)
}
.hero__scroll span{display:block;width:1px;height:44px;background:linear-gradient(180deg,var(--gold),transparent)}
.hero{position:relative;overflow:clip}
.hero::before{content:"";position:absolute;top:-10%;bottom:-10%;left:-6%;width:min(76%,820px);z-index:0;pointer-events:none;background:radial-gradient(closest-side at 22% 52%,rgba(7,8,12,.92),rgba(7,8,12,.55) 62%,rgba(7,8,12,0))}
.hero>.hero__inner{position:relative;z-index:1}

/* ---------- karty ---------- */
.grid{display:grid;gap:1px;background:var(--line)}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:linear-gradient(180deg,rgba(12,14,21,.92),rgba(9,10,15,.92));padding:clamp(28px,3.4vw,44px);transition:background .35s}
.card:hover{background:linear-gradient(180deg,rgba(18,20,29,.96),rgba(11,12,18,.96))}
.card__num{font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:.2em;margin-bottom:18px}
.card h3{font-family:var(--sans);font-size:19px;font-weight:600;margin-bottom:14px;letter-spacing:-.005em}
.card p{color:var(--muted);font-size:15px}
.card--feature h3{font-family:var(--serif);font-size:clamp(1.6rem,2.6vw,2.1rem)}

/* ---------- mix teorii/praktyki ---------- */
.mix{margin-top:clamp(48px,6vw,80px)}
.mix__bar{display:flex;height:44px;border:1px solid var(--line);overflow:hidden}
.mix__seg{display:flex;align-items:center;justify-content:center;width:var(--w);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#0d0b06;font-weight:600;border-right:1px solid rgba(0,0,0,.25)}
.mix__seg--t{background:linear-gradient(90deg,var(--gold-dk),var(--gold))}
.mix__seg--p{background:linear-gradient(90deg,var(--gold-lt),#e7c98d);color:#0d0b06}
.mix__seg--v{background:rgba(224,178,90,.28);color:var(--text);font-size:0}
.mix__seg--b{background:rgba(255,255,255,.07);color:var(--muted);border-right:0}
.mix__note{margin-top:14px;font-size:12.5px;color:var(--muted-2);letter-spacing:.02em}

/* ---------- program ---------- */
.tabs{display:flex;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:1px}
.tab{
  flex:1;text-align:left;padding:22px 24px;background:rgba(10,12,18,.94);border:0;cursor:pointer;
  font-family:var(--serif);font-size:19px;color:var(--muted);transition:background .3s,color .3s;
}
.tab span{display:block;font-family:var(--sans);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);margin-top:6px}
.tab.is-active{background:rgba(224,178,90,.09);color:var(--gold-lt)}
.tab.is-active span{color:rgba(224,178,90,.7)}
.modules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-top:0}
.module{background:rgba(9,11,16,.95);padding:clamp(24px,3vw,36px);transition:background .3s}
.module:hover{background:rgba(16,18,26,.96)}
.module__no{font-family:var(--serif);font-size:14px;letter-spacing:.22em;color:var(--gold);margin-bottom:12px}
.module h3{font-family:var(--sans);font-size:17px;font-weight:600;margin-bottom:12px}
.module__meta{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.module__out{margin-top:12px;font-size:14.5px;color:var(--muted)}
.module__out::first-line{color:var(--gold-lt)}

/* ---------- efekty ---------- */
.effects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.effects li{background:rgba(9,11,16,.95);padding:clamp(26px,3vw,38px);display:flex;gap:20px}
.effects__no{font-family:var(--serif);font-size:38px;line-height:1;color:rgba(224,178,90,.55)}
.effects h3{font-family:var(--sans);font-size:16px;font-weight:600;margin-bottom:10px}
.effects p{color:var(--muted);font-size:14.5px}
.effects em{color:var(--gold);font-style:normal;letter-spacing:.08em;font-size:12px;white-space:nowrap}

/* ---------- split / listy ---------- */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(40px,6vw,90px)}
.split h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:26px}
.ticks li{position:relative;padding-left:30px;margin-bottom:14px;color:var(--text);font-size:15.5px}
.ticks li::before{
  content:"";position:absolute;left:0;top:.55em;width:14px;height:1px;
  background:var(--gold);box-shadow:0 0 8px rgba(224,178,90,.6)
}
.ticks--soft li{color:var(--muted)}

/* ---------- prowadzący ---------- */
.trener{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,72px);align-items:center;border:1px solid var(--line);background:rgba(9,11,16,.72);padding:clamp(26px,4vw,56px)}
.trener__photo{position:relative;overflow:hidden}
.trener__photo img{filter:grayscale(.15) contrast(1.05);transform:scale(1.02);mask-image:linear-gradient(180deg,#000 70%,rgba(0,0,0,.45) 90%,rgba(0,0,0,0) 100%);-webkit-mask-image:linear-gradient(180deg,#000 70%,rgba(0,0,0,.45) 90%,rgba(0,0,0,0) 100%)}
.trener__txt h2{margin-bottom:20px}
.trener__txt p{color:var(--muted);max-width:560px;font-size:15.5px}

/* ---------- note ---------- */
.note{margin-top:clamp(36px,5vw,56px);padding:22px 26px;border-left:1px solid var(--gold);background:rgba(224,178,90,.05);color:var(--muted);font-size:14.5px}
.note strong{color:var(--gold-lt);font-weight:600}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  cursor:pointer;list-style:none;padding:24px 0;font-family:var(--serif);font-size:clamp(1.15rem,2.1vw,1.5rem);
  display:flex;align-items:center;gap:18px;color:var(--text);transition:color .25s;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";margin-left:auto;font-family:var(--sans);color:var(--gold);font-size:20px;transition:transform .3s}
.faq__item[open] summary{color:var(--gold-lt)}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{padding:0 0 26px;color:var(--muted);max-width:820px;font-size:15.5px}

/* ---------- CTA ---------- */
.section--cta{padding-bottom:clamp(60px,7vw,90px)}
.cta{text-align:center;border:1px solid var(--line-strong);background:
  radial-gradient(90% 130% at 50% 0%,rgba(224,178,90,.12),transparent 62%),rgba(9,11,16,.86);
  padding:clamp(46px,7vw,96px) clamp(24px,5vw,72px)}
.cta .kicker{justify-content:center}
.cta .kicker::before{display:none}
.cta h2{margin-bottom:22px}
.cta>p{color:var(--muted);max-width:600px;margin:0 auto;font-size:16px}
.cta__row{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:36px}
.cta__meta{margin-top:30px;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}

/* ---------- stopka ---------- */
.footer{max-width:var(--maxw);margin:0 auto;padding:clamp(50px,6vw,80px) var(--pad) 40px;border-top:1px solid var(--line)}
.footer__top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.footer__brand{display:flex;gap:16px;align-items:center;max-width:420px}
.footer__brand img{width:52px;filter:drop-shadow(0 0 12px rgba(224,178,90,.28))}
.footer__brand p{color:var(--muted);font-size:14px}
.footer__links{display:flex;gap:22px;flex-wrap:wrap;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.footer__links a:hover{color:var(--gold-lt)}
.footer__legal{margin-top:38px;color:var(--muted-2);font-size:13px;max-width:840px}
.footer__credit{margin-top:26px;color:var(--muted-2);font-size:12px;letter-spacing:.04em}

/* ---------- klauzula AI ---------- */
.ai-disclosure{
  margin-top:34px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  border:1px solid var(--line);border-left:1px solid var(--gold);
  background:rgba(255,255,255,.02);padding:16px 20px;
}
.ai-disclosure__dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px rgba(224,178,90,.8);flex:0 0 auto}
.ai-disclosure p{flex:1 1 460px;color:var(--muted);font-size:13px;line-height:1.55}
.ai-disclosure strong{color:var(--text)}
.ai-disclosure a{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);white-space:nowrap}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav__links{display:none}
  .nav__cta{display:none}
  .nav__burger{display:flex}
  .grid--3,.effects{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:56px}
  .trener{grid-template-columns:1fr;gap:34px}
  .trener__photo{max-width:380px}
}
@media (max-width:760px){
  .hero{padding-top:120px}
  .hero__scroll{display:none}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
  .stats>div{padding:20px 12px 20px 0;border-bottom:1px solid var(--line)}
  .modules,.grid--3,.grid--2,.effects{grid-template-columns:1fr}
  .tabs{flex-direction:column}
  .mix__seg{font-size:9px;letter-spacing:.06em}
  .mix__seg--v{font-size:0}
  .footer__top{gap:26px}
}
@media (max-width:420px){
  .btn{width:100%;padding:15px 20px}
  .hero__cta{gap:10px}
  .cta__row{gap:10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,#progress-bar{transition:none}
}