/* szkolenia.numerika.ai — v0.1. Paleta i typografia = decyzje Bartosza 2026-09-05 (font B, logo 2, wyjście a, wersja P). */
:root{
  --bg:#0b1324; --navy:#012e5d; --navy2:#021f40; --navy3:#05457f;
  --teal:#049bb5; --teal2:#0db2c3; --amber:#fba11b; --orange:#fb690e;
  --ink:#eaf6fa; --ink2:rgba(234,246,250,.78); --ink3:rgba(234,246,250,.55);
  --line:rgba(13,178,195,.22);
  --wrap:1200px; --gutter:clamp(20px,5vw,64px);
  --disp:'Space Grotesk',system-ui,sans-serif; --body:'Sora',system-ui,sans-serif;
  --hw:700; --ls:-.02em; --h1:clamp(2rem,1.1rem + 3.4vw,3.8rem); --h2:clamp(1.7rem,1rem + 2.6vw,3rem); --lh1:1.06;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:clamp(1rem,.95rem + .2vw,1.1rem);line-height:1.6;overflow-x:hidden;font-weight:300}
img,svg{display:block;max-width:100%}
a{color:inherit}
p{margin:0 0 1.1em}
h1,h2,h3{font-family:var(--disp);font-weight:var(--hw);letter-spacing:var(--ls);margin:0 0 .5em;text-wrap:balance}
b,strong{font-weight:600}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);color:#1a0d00;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}

.wrap{width:min(var(--wrap),100% - 2*var(--gutter));margin-inline:auto}
.kicker{font-family:var(--body);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal2);margin:0 0 1.2em;font-weight:400}
.h2{font-size:var(--h2);line-height:1.1;max-width:20ch;margin-bottom:.8em}
.lead{font-size:1.12em;color:var(--ink);font-weight:400}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.9em 1.5em;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;border:0;cursor:pointer;font-family:var(--body);transition:transform .25s,box-shadow .25s,background .25s;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn--amber{background:linear-gradient(90deg,var(--amber),var(--orange));color:#1a0d00;box-shadow:0 8px 30px -10px rgba(251,161,27,.7)}
.btn--amber:hover{box-shadow:0 12px 34px -10px rgba(251,161,27,.95)}
.btn--line{color:var(--ink);border:1px solid rgba(234,246,250,.35);background:transparent}
.btn--line:hover{border-color:var(--teal2)}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}

/* pasek czytania: "przeczytasz w 4 minuty" */
.readbar{position:fixed;top:0;left:0;right:0;height:3px;z-index:70;pointer-events:none}
.readbar span{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--teal2),var(--amber));transform:scaleX(0);transform-origin:left}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:32px;padding:14px var(--gutter)}
.nav::before{content:"";position:absolute;inset:0;background:rgba(11,19,36,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(13,178,195,.12);opacity:0;transition:opacity .3s;z-index:-1}
.nav.is-solid::before{opacity:1}
.nav__logo img{height:52px;width:auto}
.nav__links{margin-left:auto;display:flex;gap:26px;align-items:center;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
.nav__links a{text-decoration:none;color:var(--ink2);padding:6px 0;border-bottom:1px solid transparent;white-space:nowrap}
.nav__links a:hover{color:#fff;border-color:var(--teal2)}
.nav__cta{border:1px solid rgba(251,161,27,.7)!important;padding:9px 18px!important;border-radius:999px;color:var(--amber)!important}
.nav__burger{display:none;margin-left:auto;width:44px;height:44px;background:none;border:0;cursor:pointer;position:relative}
.nav__burger span{position:absolute;left:10px;right:10px;height:2px;background:#fff;top:17px;transition:transform .3s,top .3s}
.nav__burger span+span{top:26px}
.nav__burger[aria-expanded="true"] span{top:21px;transform:rotate(45deg)}
.nav__burger[aria-expanded="true"] span+span{transform:rotate(-45deg)}
@media (max-width:960px){
  .nav__burger{display:block}
  .nav__links{position:fixed;inset:0;background:rgba(11,19,36,.96);flex-direction:column;justify-content:center;gap:24px;font-size:1.15rem;transform:translateY(-100%);visibility:hidden;transition:transform .35s,visibility 0s .35s;margin:0}
  .nav__links.is-open{transform:none;visibility:visible;transition:transform .35s}
  .nav__logo{position:relative;z-index:2}.nav__burger{position:relative;z-index:2}
  .nav__logo img{height:42px}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:grid;align-items:center;padding:110px var(--gutter) 80px;overflow:hidden;
  background:radial-gradient(1100px 700px at 78% 42%,var(--navy3) 0%,var(--navy) 40%,var(--bg) 78%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(13,178,195,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(13,178,195,.08) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(900px 600px at 75% 45%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(900px 600px at 75% 45%,#000 20%,transparent 75%);pointer-events:none}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero__mark{position:fixed;left:0;top:0;height:auto;transform-origin:0 0;z-index:55;visibility:hidden;pointer-events:none;will-change:transform}
.hero__inner{position:relative;width:min(var(--wrap),100%);margin-inline:auto;max-width:100%}
.hero__h1{font-size:var(--h1);line-height:var(--lh1);max-width:17ch;margin-bottom:.6em}
.hero__h1 em{font-style:normal;background:linear-gradient(90deg,var(--amber),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:clamp(1rem,.95rem + .3vw,1.18rem);line-height:1.5;max-width:36em;color:var(--ink2)}
.hero__sub--strong{color:var(--ink);font-weight:400}
.hero__note{max-width:36em;color:var(--ink3);font-size:.9em;border-left:2px solid rgba(251,161,27,.6);padding-left:14px}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.4em}
.hero__scroll{position:absolute;left:var(--gutter);bottom:28px;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3);text-decoration:none;display:flex;align-items:center;gap:12px}
.hero__scrollbar{display:block;width:1px;height:44px;background:linear-gradient(var(--teal2),transparent);animation:scrollpulse 2.2s ease-in-out infinite}
@keyframes scrollpulse{0%,100%{opacity:.4;transform:scaleY(.6);transform-origin:top}50%{opacity:1;transform:none}}
@media (min-width:1000px){.hero__inner{padding-right:40%}}
@media (max-width:999px){.hero{padding-top:calc(min(72vw,33svh) + 120px);padding-bottom:70px}.hero__h1{max-width:15ch}}

/* ---------- sekcje wspólne ---------- */
.sec{position:relative;padding:clamp(80px,11vw,140px) 0;scroll-margin-top:70px}
.split{display:grid;gap:clamp(32px,5vw,80px);align-items:center;grid-template-columns:1fr}
@media (min-width:900px){.split{grid-template-columns:1.05fr 1fr}.split--rev .split__text{order:2}}
.split__vis{min-width:0}
.split__text .btn{margin-top:.4em}

/* ---------- formularze ---------- */
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:.85rem;font-weight:600;letter-spacing:.04em}
.form input:not([type=checkbox]):not([type=radio]){font:inherit;font-size:1rem;font-weight:400;padding:13px 16px;border-radius:12px;border:1px solid rgba(13,178,195,.35);background:rgba(11,19,36,.7);color:var(--ink);width:100%;min-width:0}
.form input::placeholder{color:var(--ink3)}
.form input:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.form__row{display:grid;gap:12px;grid-template-columns:1fr;align-items:end}
@media (min-width:640px){.form__row{grid-template-columns:1fr auto}}
.form__row .btn{white-space:nowrap}
.form__lead{margin:0;color:var(--ink2)}
.form__consent{font-size:.78rem;color:var(--ink3);margin:0;line-height:1.5}
.form__status{margin:0;min-height:1.4em;font-size:.9rem;font-weight:400}
.form__status.is-ok{color:#8fe8c9}.form__status.is-err{color:#ffb38a}
.form__check{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;font-weight:400!important;letter-spacing:0!important;font-size:.9rem!important;color:var(--ink2)}
.form__check input{margin:4px 0 0;width:18px;height:18px;accent-color:var(--amber)}
.form--card{background:linear-gradient(160deg,rgba(5,69,127,.45),rgba(11,19,36,.5));border:1px solid var(--line);border-radius:22px;padding:clamp(22px,3vw,34px)}
.form--inline{margin-top:22px;padding:22px;border-radius:18px;border:1px solid rgba(251,161,27,.4);background:rgba(251,161,27,.06)}
.form--inline[hidden]{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* ---------- szkolenie: arkusz + 3 kroki ---------- */
.sec--course{background:linear-gradient(180deg,var(--bg),#0a1a35 60%,var(--bg))}
.stats{list-style:none;padding:0;margin:1.4em 0 1.6em;display:grid;gap:14px;grid-template-columns:repeat(3,auto);justify-content:start}
@media (max-width:520px){.stats{grid-template-columns:1fr 1fr}}
.stats li{display:grid;gap:2px;padding-right:18px;border-right:1px solid var(--line)}
.stats li:last-child{border:0}
.stats__num{font-family:var(--disp);font-weight:var(--hw);font-size:clamp(1.8rem,1.2rem + 2vw,2.8rem);line-height:1;letter-spacing:-.03em;background:linear-gradient(90deg,var(--teal2),#fff);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stats li span{font-size:.78rem;color:var(--ink3);letter-spacing:.04em;max-width:12em}
.sheet{margin:0;background:#0c1a33;border:1px solid var(--line);border-radius:20px;padding:clamp(16px,2.5vw,26px);box-shadow:0 30px 80px -30px rgba(0,0,0,.8);font-size:.9rem;max-width:560px;margin-inline:auto}
.sheet__bar{display:flex;align-items:center;gap:6px;margin-bottom:14px}
.sheet__bar span{width:10px;height:10px;border-radius:50%;background:rgba(234,246,250,.18)}
.sheet__bar em{margin-left:auto;font-style:normal;color:var(--ink3);font-size:.75rem;letter-spacing:.08em}
.sheet__t{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.sheet__t th,.sheet__t td{border:1px solid rgba(13,178,195,.25);padding:7px 10px;text-align:left}
.sheet__t th{color:var(--ink3);font-weight:400;font-size:.75rem;width:2em;text-align:center;background:rgba(13,178,195,.05)}
.sheet__t thead th{width:auto}
.sheet__t td:last-child{text-align:right}
.sheet__t tbody tr{opacity:0;transform:translateX(-8px)}
.sheet__sum td{font-weight:600;color:#fff}
.sheet__f{position:relative;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}
.f{display:inline-block;padding:2px 6px;border-radius:6px}
.f--wrong{border:1px solid transparent}
.f--ok{display:none;color:#0b1324;background:var(--teal2)}
.sheet.is-wrong .f--wrong{border-color:var(--orange);color:var(--orange);text-decoration:line-through;text-decoration-thickness:2px}
.sheet.is-fixed .f--wrong{display:none}.sheet.is-fixed .f--ok{display:inline-block}
.sheet__ai{margin:14px 0 0;padding:10px 12px;border-radius:12px;background:rgba(5,69,127,.45);border:1px solid rgba(13,178,195,.3);display:flex;gap:10px;align-items:center;color:var(--ink2);opacity:0;transform:translateY(8px)}
.sheet__aiwho{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal2);border:1px solid var(--teal2);padding:2px 6px;border-radius:999px;flex:none}
.sheet__steps{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px;grid-template-columns:repeat(3,1fr)}
.sheet__steps li{display:grid;gap:6px;justify-items:start;font-size:.72rem;line-height:1.3;color:var(--ink3);padding:10px;border-radius:12px;border:1px solid var(--line);transition:color .3s,border-color .3s,background .3s}
.sheet__steps li span{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-weight:600;font-size:.7rem;background:rgba(13,178,195,.12);color:var(--teal2);transition:background .3s,color .3s}
.sheet__steps li.is-on{color:var(--ink);border-color:var(--teal2);background:rgba(13,178,195,.08)}
.sheet__steps li.is-on span{background:var(--teal2);color:#04202a}
@media (max-width:420px){.sheet__steps{grid-template-columns:1fr}}
.sheet__verdict{margin-top:14px;min-height:1.6em;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;display:grid}
.sheet__verdict span{grid-area:1/1;opacity:0;transition:opacity .35s;font-weight:600}
.sheet__bad{color:var(--orange)}.sheet__good{color:var(--teal2)}
.sheet.is-wrong .sheet__bad{opacity:1}
.sheet.is-fixed .sheet__bad{opacity:0}.sheet.is-fixed .sheet__good{opacity:1}

/* ---------- grupa ---------- */
.sec--group{background:var(--bg)}
.price{position:relative;background:linear-gradient(160deg,rgba(5,69,127,.45),rgba(11,19,36,.5));border:1px solid var(--line);border-radius:24px;padding:clamp(22px,3vw,34px);max-width:520px;margin-inline:auto}
.price__tag{display:flex;align-items:baseline;gap:10px;margin-bottom:18px}
.price__tag b{font-family:var(--disp);font-weight:var(--hw);font-size:clamp(2.6rem,1.6rem + 3.4vw,4.4rem);line-height:1;letter-spacing:-.03em;background:linear-gradient(90deg,var(--amber),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.price__tag span{color:var(--ink3);letter-spacing:.1em;text-transform:uppercase;font-size:.8rem}
.playlist{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.playlist li{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 12px;border-radius:12px;background:rgba(13,178,195,.06);border:1px solid transparent;font-size:.88rem;color:var(--ink2);opacity:0;transform:translateY(10px)}
.playlist i{width:26px;height:26px;border-radius:50%;background:rgba(13,178,195,.15);position:relative}
.playlist i::after{content:"";position:absolute;left:10px;top:8px;border-left:8px solid var(--teal2);border-top:5px solid transparent;border-bottom:5px solid transparent}
.playlist em{font-style:normal;color:var(--ink3);font-size:.75rem;letter-spacing:.06em}
.playlist__new{border-color:rgba(251,161,27,.5)!important;color:var(--ink)!important}
.playlist__new i{background:rgba(251,161,27,.18)}.playlist__new i::after{border-left-color:var(--amber)}
.playlist__new em{color:var(--amber)}
.price__exit{margin:16px 0 0;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3)}

/* ---------- mini kurs ---------- */
.sec--mini{background:linear-gradient(180deg,var(--bg),var(--navy2) 35%,var(--navy2) 70%,var(--bg))}
.mini{display:grid;gap:clamp(32px,5vw,80px);grid-template-columns:1fr;align-items:start}
@media (min-width:900px){.mini{grid-template-columns:1.05fr 1fr}}
.mini .form{margin-top:.6em}
.lessons{list-style:none;padding:0;margin:0;display:grid;gap:10px;max-width:520px;margin-inline:auto}
.lessons li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;padding:12px 14px;border-radius:14px;background:rgba(11,19,36,.55);border:1px solid var(--line);font-size:.9rem;color:var(--ink2);opacity:0;transform:translateX(18px)}
.lessons li b{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:rgba(13,178,195,.14);color:var(--teal2);font-family:var(--disp);font-weight:var(--hw)}
.lessons__bonus{border-color:rgba(251,161,27,.5)!important;color:var(--ink)!important}
.lessons__bonus b{background:rgba(251,161,27,.18)!important;color:var(--amber)!important}
.lessons__time{position:relative;height:34px;margin:14px auto 0;max-width:520px;border-radius:999px;background:rgba(13,178,195,.1);border:1px solid var(--line);overflow:hidden}
.lessons__fill{position:absolute;inset:0;background:linear-gradient(90deg,var(--teal),var(--teal2));transform:scaleX(0);transform-origin:left}
.lessons__time em{position:absolute;inset:0;display:grid;place-items:center;font-style:normal;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;mix-blend-mode:normal}

/* ---------- firmy ---------- */
.sec--firms{background:var(--bg)}
.fund{margin-top:1.4em;max-width:520px}
.fund__bar{display:flex;height:44px;border-radius:12px;overflow:hidden;border:1px solid var(--line);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.fund__you{flex:0 0 100%;display:grid;place-items:center;background:linear-gradient(90deg,var(--amber),var(--orange));color:#1a0d00;transition:flex-basis 1.4s cubic-bezier(.2,.8,.2,1)}
.fund__pub{flex:1;display:grid;place-items:center;text-align:center;line-height:1.15;background:rgba(13,178,195,.18);color:var(--teal2);overflow:hidden;padding:0 10px;opacity:0;transition:opacity .6s .8s}
@media (max-width:480px){.fund__bar{font-size:.66rem;height:48px}}
.fund.is-on .fund__you{flex-basis:26%}
.fund.is-on .fund__pub{opacity:1}
.fund__note{margin:8px 0 0;font-size:.75rem;color:var(--ink3);letter-spacing:.04em}

/* ---------- tematy ---------- */
.sec--next{background:linear-gradient(180deg,var(--bg),#0a1a35)}
.form--topics{max-width:820px}
.topics{border:0;padding:0;margin:0 0 6px;display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:700px){.topics{grid-template-columns:1fr 1fr}}
.topic{position:relative;cursor:pointer;font-weight:400!important;letter-spacing:0!important;font-size:1rem!important}
.topic input{position:absolute;opacity:0;width:1px;height:1px}
.topic__box{display:grid;gap:8px;padding:clamp(18px,2.5vw,26px);border-radius:20px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(5,69,127,.35),rgba(11,19,36,.4));transition:border-color .25s,transform .25s,box-shadow .25s;height:100%}
.topic__box svg{width:44px;height:44px;fill:none;stroke:var(--teal2);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:4px}
.topic__box b{font-family:var(--disp);font-weight:var(--hw);font-size:1.2rem;letter-spacing:-.01em;color:#fff}
.topic__box>span{color:var(--ink3);font-size:.9rem}
.topic input:checked+.topic__box{border-color:var(--amber);box-shadow:0 0 0 1px var(--amber),0 20px 50px -30px rgba(251,161,27,.6);transform:translateY(-2px)}
.topic input:checked+.topic__box::after{content:"wybrane";position:absolute;top:14px;right:16px;font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);border:1px solid rgba(251,161,27,.6);padding:3px 8px;border-radius:999px}
.topic input:focus-visible+.topic__box{outline:3px solid var(--amber);outline-offset:3px}
.topic:hover .topic__box{border-color:var(--teal2)}

/* ---------- o prowadzącej ---------- */
.sec--about{background:linear-gradient(180deg,#0a1a35,var(--bg))}
.about{display:grid;gap:clamp(28px,5vw,72px);grid-template-columns:1fr;align-items:center}
@media (min-width:820px){.about{grid-template-columns:minmax(220px,380px) 1fr}}
.about__photo{position:relative;aspect-ratio:1;border-radius:24px;overflow:visible;max-width:380px}
.about__photo img{width:100%;height:100%;object-fit:cover;border-radius:24px;box-shadow:0 30px 70px -30px rgba(0,0,0,.9)}
.node{position:absolute;top:-9px;left:32px;width:18px;height:18px;border-radius:50%;box-shadow:0 0 0 6px rgba(11,19,36,.9),0 0 24px currentColor;z-index:1}
.node--teal{background:var(--teal2);color:var(--teal2)}
.about__meta{color:var(--teal2);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin:-.4em 0 1.2em}
.about__q{border-left:2px solid rgba(251,161,27,.6);padding-left:14px;color:var(--ink2)}
.about .hero__btns{margin-top:1em}

/* ---------- stopka ---------- */
.footer{background:var(--bg);padding:60px 0 40px;color:var(--ink3);font-size:.9rem;border-top:1px solid rgba(13,178,195,.1)}
.footer__in{display:grid;gap:14px;justify-items:start}
.footer a{color:var(--ink2);text-decoration:none}.footer a:hover{color:#fff}

/* ---------- reduced motion: stany końcowe bez JS-owych animacji ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .sheet__t tbody tr,.sheet__ai,.playlist li,.lessons li{opacity:1;transform:none}
  .sheet .f--wrong{display:none}.sheet .f--ok{display:inline-block}.sheet .sheet__good{opacity:1}
  .sheet__steps li{color:var(--ink);border-color:var(--teal2)}
  .lessons__fill{transform:none}
  .fund .fund__you{flex-basis:26%}.fund .fund__pub{opacity:1}
  .readbar{display:none}
}