/* ===================== TOKENS ===================== */
:root{
  --ink:#0b0e17;
  --ink-2:#141a2b;
  --paper:#faf9f6;
  --paper-2:#f1efe9;
  --accent:#4f6bff;
  --accent-2:#7b5cff;
  --accent-glow:#8fb3ff;
  --line:rgba(255,255,255,.12);
  --line-dark:rgba(11,14,23,.1);
  --text-dim:rgba(255,255,255,.68);
  --text-dim-dark:rgba(11,14,23,.62);
  --radius:18px;
  --radius-sm:10px;
  --maxw:1180px;
  --serif:'Fraunces',serif;
  --sans:'Manrope',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===================== TYPE ===================== */
.eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-glow);margin-bottom:16px;
}
.eyebrow--dark{color:var(--accent-2)}
.h2{
  font-family:var(--serif);
  font-size:clamp(32px,4.5vw,52px);
  font-weight:600;
  line-height:1.08;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:28px;
}
.h2--light{color:var(--paper)}
.lead{font-size:19px;line-height:1.65;color:var(--text-dim-dark);max-width:560px}
.lead--center{max-width:640px;margin:0 auto 48px;text-align:center;color:var(--text-dim)}
.section{padding:110px 0}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 28px;border-radius:100px;font-weight:700;font-size:15px;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap; border:1.5px solid transparent; cursor:pointer;
}
.btn--sm{padding:10px 20px;font-size:14px}
.btn--lg{padding:18px 34px;font-size:16px}
.btn--primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff; box-shadow:0 8px 24px -8px rgba(79,107,255,.55);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(79,107,255,.65)}
.btn--ghost{
  background:rgba(255,255,255,.08); color:#fff; border-color:rgba(255,255,255,.35);
  backdrop-filter:blur(6px);
}
.btn--ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ===================== NAV ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(11,14,23,.55); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav__logo{font-family:var(--serif);font-size:22px;font-weight:600;color:#fff}
.nav__logo span{color:var(--accent-glow)}
.nav__logo--footer{color:var(--ink)}
.nav__logo--footer span{color:var(--accent)}
.nav__links{display:flex;gap:32px}
.nav__links a{font-size:14.5px;font-weight:600;color:var(--text-dim)}
.nav__links a:hover{color:#fff}
@media(max-width:820px){.nav__links{display:none}}

/* ===================== HERO ===================== */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center;
  color:#fff; overflow:hidden; padding-top:74px;
}
.hero__bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  filter:saturate(1.05) brightness(.62);
}
.hero__overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(11,14,23,.55) 0%, rgba(11,14,23,.35) 40%, rgba(11,14,23,.92) 100%),
    linear-gradient(100deg, rgba(11,14,23,.85) 0%, rgba(11,14,23,.35) 55%, rgba(79,107,255,.25) 100%);
}
.hero__inner{position:relative;z-index:2;padding:80px 24px 60px}
.hero__title{
  font-family:var(--serif); font-weight:600;
  font-size:clamp(38px,6.4vw,74px); line-height:1.03; letter-spacing:-.02em;
  margin-bottom:26px; max-width:820px;
}
.hero__sub{font-size:19px;color:var(--text-dim);max-width:560px;margin-bottom:40px}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero__trust{display:flex;gap:28px;flex-wrap:wrap;font-size:14px;color:var(--text-dim);font-weight:600}
.hero__scroll{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--text-dim);
  z-index:2;
}

/* ===================== SOUND BUTTON ===================== */
.sound-btn{
  position:absolute; z-index:3; bottom:20px; right:20px;
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 16px; border-radius:100px; border:1px solid rgba(255,255,255,.35);
  background:rgba(11,14,23,.55); backdrop-filter:blur(8px); color:#fff;
  font-family:var(--sans); font-size:13.5px; font-weight:700; cursor:pointer;
  transition:background .2s ease, transform .2s ease;
}
.sound-btn:hover{background:rgba(11,14,23,.8);transform:translateY(-1px)}
.sound-btn.is-on{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent}
.hero .sound-btn{bottom:120px}
.how__showcase--relative{position:relative}

/* ===================== LANGUAGES ===================== */
.languages__wrap{
  display:grid; grid-template-columns:.8fr 1.2fr; gap:48px; align-items:center;
  margin-top:90px; padding-top:70px; border-top:1px solid var(--line);
}
.languages__text h3{font-family:var(--serif);font-size:clamp(24px,3vw,34px);font-weight:600;margin-bottom:14px;color:#fff}
.languages__text p{color:var(--text-dim);font-size:16px;max-width:380px}
.languages__video{
  position:relative; border-radius:var(--radius); overflow:hidden;
  box-shadow:0 30px 60px -24px rgba(11,14,23,.35); aspect-ratio:16/9; background:#000;
}
.languages__video video{width:100%;height:100%;object-fit:cover}
@media(max-width:860px){.languages__wrap{grid-template-columns:1fr}.languages__text{order:1}.languages__video{order:2}}

/* ===================== PROBLEM ===================== */
.problem{background:var(--paper)}
.problem__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden;margin-top:20px}
.problem__card{background:var(--paper);padding:40px 36px}
.problem__num{font-family:var(--serif);font-size:15px;font-weight:600;color:var(--accent);margin-bottom:14px}
.problem__card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.problem__card p{color:var(--text-dim-dark);font-size:15.5px}
@media(max-width:720px){.problem__grid{grid-template-columns:1fr}}

/* ===================== SOLUTION ===================== */
.solution{background:var(--paper-2)}
.solution__inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.solution__text p{margin-bottom:16px}
.solution__perks{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:20px}
.solution__perks li{font-size:14.5px;font-weight:600;color:var(--ink)}
.solution__media img{border-radius:var(--radius);box-shadow:0 30px 60px -24px rgba(11,14,23,.35)}
@media(max-width:860px){.solution__inner{grid-template-columns:1fr}.solution__media{order:-1}}

/* ===================== HOW ===================== */
.how{background:var(--paper)}
.how__showcase{
  border-radius:var(--radius); overflow:hidden; margin:40px 0 60px;
  box-shadow:0 30px 70px -30px rgba(11,14,23,.4); aspect-ratio:16/9; background:#000;
}
.how__showcase video{width:100%;height:100%;object-fit:cover}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.step__num{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px; font-family:var(--serif);
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-dim-dark)}
@media(max-width:960px){.steps{grid-template-columns:1fr 1fr;row-gap:40px}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ===================== BENEFITS ===================== */
.benefits{background:linear-gradient(160deg,var(--ink),var(--ink-2));color:#fff}
.benefits__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:20px}
.benefit{background:rgba(255,255,255,.03);padding:38px 32px;transition:background .25s}
.benefit:hover{background:rgba(255,255,255,.06)}
.benefit__icon{font-size:28px;margin-bottom:16px}
.benefit h3{font-size:18px;font-weight:700;margin-bottom:8px}
.benefit p{font-size:14.5px;color:var(--text-dim)}
@media(max-width:860px){.benefits__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.benefits__grid{grid-template-columns:1fr}}

/* ===================== AUDIENCE ===================== */
.audience{background:var(--paper)}
.audience__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.audience__card{
  padding:32px 26px; border:1px solid var(--line-dark); border-radius:var(--radius-sm);
  background:var(--paper-2);
}
.audience__card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.audience__card p{font-size:14.5px;color:var(--text-dim-dark)}
@media(max-width:960px){.audience__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.audience__grid{grid-template-columns:1fr}}

/* ===================== DEMO ===================== */
.demo{background:linear-gradient(160deg,var(--ink-2),var(--ink));color:#fff;text-align:center}
.demo .eyebrow{text-align:center}
.demo__frame{
  position:relative; border-radius:var(--radius); overflow:hidden;
  max-width:900px;margin:0 auto; box-shadow:0 40px 80px -30px rgba(0,0,0,.6);
  aspect-ratio:16/9;
}
.demo__frame img{width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.demo__frame-overlay{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
}

/* ===================== EARLY ===================== */
.early{background:var(--paper-2)}
.early__inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.early__list{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}
.early__list li{font-weight:700;font-size:15.5px}
.early__media img{border-radius:var(--radius);box-shadow:0 30px 60px -24px rgba(11,14,23,.35)}
@media(max-width:860px){.early__inner{grid-template-columns:1fr}.early__media{order:-1}}

/* ===================== FORM ===================== */
.zgloszenie{background:linear-gradient(160deg,var(--ink),var(--ink-2));color:#fff}
.zgloszenie__inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.zgloszenie__text{position:sticky;top:110px}
.form{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.form label{display:flex;flex-direction:column;gap:8px;font-size:13.5px;font-weight:600;color:var(--text-dim)}
.form__full{display:flex;flex-direction:column;gap:8px;font-size:13.5px;font-weight:600;color:var(--text-dim);margin-bottom:20px}
.form input[type=text],.form input[type=tel],.form input[type=email],.form textarea{
  background:rgba(255,255,255,.06); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:13px 14px; color:#fff; font-family:var(--sans); font-size:15px; font-weight:500;
}
.form input::placeholder,.form textarea::placeholder{color:rgba(255,255,255,.35)}
.form input:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.form textarea{resize:vertical}
.form__checkbox{
  display:flex; flex-direction:row; align-items:flex-start; gap:10px;
  font-size:13px; color:var(--text-dim); font-weight:500; margin-bottom:24px; line-height:1.5;
}
.form__checkbox input{margin-top:3px}
.form__checkbox a{text-decoration:underline;color:#fff}
.form__submit{width:100%}
.form__status{margin-top:14px;font-size:14px;font-weight:600;min-height:20px}
@media(max-width:900px){.zgloszenie__inner{grid-template-columns:1fr}.zgloszenie__text{position:static}.form__row{grid-template-columns:1fr}}

/* ===================== FAQ ===================== */
.faq{background:var(--paper)}
.faq__list{display:flex;flex-direction:column;gap:14px;margin-top:20px;max-width:760px}
.faq__item{
  border:1px solid var(--line-dark); border-radius:var(--radius-sm); padding:20px 24px;
  background:var(--paper-2);
}
.faq__item summary{font-weight:700;font-size:16px;cursor:pointer;list-style:none;position:relative;padding-right:24px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:'+';position:absolute;right:0;top:0;font-size:20px;color:var(--accent);transition:transform .2s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{margin-top:14px;color:var(--text-dim-dark);font-size:15px}

/* ===================== FOOTER ===================== */
.footer{background:var(--ink);color:var(--text-dim);padding:60px 0 24px}
.footer__inner{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer__tagline{margin-top:10px;font-size:14px}
.footer__contact p{margin-bottom:6px;font-size:14px}
.footer__contact a:hover{color:#fff}
.footer__bottom{padding-top:24px;font-size:13px;color:rgba(255,255,255,.4)}