/* Промо-страница для бизнеса «Открой Ямал». Тёмный полярный hero + светлые секции.
   На токенах сайта (aurora/berry/polar, Unbounded/Onest). */

.bz-hero{position:relative;overflow:hidden;background:var(--gradient-night);color:var(--text-on-dark);
  padding:clamp(56px,9vw,110px) 20px clamp(64px,9vw,120px)}
.bz-hero-in{position:relative;z-index:2;max-width:1180px;margin:0 auto;display:grid;
  grid-template-columns:1.25fr .9fr;gap:clamp(28px,5vw,64px);align-items:center}

/* aurora-пятна */
.bz-aurora{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;z-index:1}
.bz-aurora.a1{width:520px;height:520px;top:-160px;left:-120px;background:radial-gradient(circle,#14C39A,transparent 70%);animation:bzFloat 14s ease-in-out infinite}
.bz-aurora.a2{width:460px;height:460px;top:-80px;right:-100px;background:radial-gradient(circle,#2FA8E0,transparent 70%);animation:bzFloat 18s ease-in-out infinite reverse}
.bz-aurora.a3{width:400px;height:400px;bottom:-200px;left:38%;background:radial-gradient(circle,#7B5CFF,transparent 70%);opacity:.4;animation:bzFloat 22s ease-in-out infinite}
.bz-aurora.a4{width:520px;height:520px;top:-160px;right:-120px;background:radial-gradient(circle,#FF9A3C,transparent 72%);opacity:.35}
@keyframes bzFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(24px,30px) scale(1.08)}}

.bz-kicker{display:inline-block;font-family:var(--font-sans);font-weight:600;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--aurora-300);border:1px solid rgba(111,224,192,.35);
  padding:6px 14px;border-radius:999px;background:rgba(20,195,154,.08)}
.bz-h1{font-family:var(--font-display);font-weight:800;font-size:var(--text-hero);line-height:1.02;
  letter-spacing:-.03em;margin:20px 0 0;color:#fff}
.bz-grad{background:var(--gradient-aurora);-webkit-background-clip:text;background-clip:text;color:transparent}
.bz-sub{font-size:var(--text-body-lg);line-height:1.6;color:var(--text-on-dark-muted);margin:20px 0 0;max-width:46ch}
.bz-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.bz-btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-sans);font-weight:700;font-size:15.5px;
  padding:14px 24px;border-radius:14px;text-decoration:none;transition:transform .18s cubic-bezier(.2,.8,.2,1),box-shadow .18s,background .18s}
.bz-btn svg{transition:transform .18s}
.bz-btn:hover svg{transform:translateX(4px)}
.bz-btn-pri{background:var(--gradient-aurora);color:#05231C;box-shadow:0 12px 30px -8px rgba(20,195,154,.6)}
.bz-btn-pri:hover{transform:translateY(-2px);box-shadow:0 18px 40px -10px rgba(47,168,224,.7)}
.bz-btn-ghost{color:#EAF2F8;border:1px solid rgba(159,180,198,.4)}
.bz-btn-ghost:hover{background:rgba(255,255,255,.07);transform:translateY(-2px)}
.bz-free{margin-top:16px;font-size:13px;color:var(--text-on-dark-muted);letter-spacing:.01em}

/* стеклянная карточка кабинета */
.bz-hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(159,180,198,.22);border-radius:22px;
  padding:22px;backdrop-filter:blur(8px);box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.bz-card-top{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13.5px;color:var(--text-on-dark-muted);margin-bottom:14px}
.bz-dot{width:9px;height:9px;border-radius:50%;background:var(--aurora-400);box-shadow:0 0 0 4px rgba(54,210,166,.25)}
.bz-card-row{display:flex;align-items:baseline;gap:10px;padding:12px 0;border-top:1px solid rgba(159,180,198,.16)}
.bz-card-row b{font-family:var(--font-display);font-weight:700;font-size:30px;color:#fff;line-height:1}
.bz-card-row span{font-size:13.5px;color:var(--text-on-dark-muted)}
.bz-card-mini{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.bz-chip{font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.07);color:#C9D8E4;border:1px solid rgba(159,180,198,.2)}
.bz-chip.on{background:var(--gradient-aurora);color:#05231C;border-color:transparent}

/* строка доверия */
.bz-strip{background:var(--surface-card);border-bottom:1px solid var(--border-subtle)}
.bz-strip-in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:26px 20px;text-align:center}
.bz-strip-in b{display:block;font-family:var(--font-display);font-weight:700;font-size:clamp(24px,3vw,34px);color:var(--brand-strong);line-height:1}
.bz-strip-in span{font-size:13.5px;color:var(--text-muted);margin-top:6px;display:block}

/* секции */
.bz-sec{max-width:1180px;margin:0 auto;padding:clamp(52px,8vw,88px) 20px}
.bz-head{text-align:center;margin-bottom:clamp(30px,5vw,52px)}
.bz-eyebrow{font-family:var(--font-sans);font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-strong)}
.bz-h2{font-family:var(--font-display);font-weight:700;font-size:var(--text-display-2);letter-spacing:-.025em;
  color:var(--text-strong);margin:10px 0 0;line-height:1.08}

.bz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bz-feat{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:20px;padding:26px;
  transition:transform .2s cubic-bezier(.2,.8,.2,1),box-shadow .2s,border-color .2s;
  opacity:0;animation:bzUp .6s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:calc(var(--i,0)*.07s)}
.bz-feat:hover{transform:translateY(-5px);box-shadow:0 22px 44px -22px rgba(11,27,46,.4);border-color:var(--aurora-200)}
.bz-feat-ic{display:inline-flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:14px;
  background:var(--aurora-50);color:var(--aurora-700);margin-bottom:16px}
.bz-feat h3{font-family:var(--font-display);font-weight:600;font-size:19px;color:var(--text-strong);margin:0 0 8px}
.bz-feat p{font-size:14.5px;line-height:1.6;color:var(--text-muted);margin:0}

/* шаги */
.bz-steps-sec{background:var(--surface-sunken)}
.bz-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bz-step{position:relative;background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:20px;padding:28px 26px;
  opacity:0;animation:bzUp .6s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:calc(var(--i,0)*.1s + .1s)}
.bz-step-n{font-family:var(--font-display);font-weight:800;font-size:40px;line-height:1;
  background:var(--gradient-aurora);-webkit-background-clip:text;background-clip:text;color:transparent}
.bz-step h3{font-family:var(--font-display);font-weight:600;font-size:19px;color:var(--text-strong);margin:12px 0 8px}
.bz-step p{font-size:14.5px;line-height:1.6;color:var(--text-muted);margin:0}

/* финальный CTA */
.bz-final{position:relative;overflow:hidden;background:var(--gradient-night);color:#fff;text-align:center;
  padding:clamp(56px,9vw,96px) 20px}
.bz-final-in{position:relative;z-index:2;max-width:720px;margin:0 auto}
.bz-final-h{font-family:var(--font-display);font-weight:800;font-size:var(--text-display-1);letter-spacing:-.03em;margin:0;color:#fff}
.bz-final-in>p{color:var(--text-on-dark-muted);font-size:var(--text-body-lg);margin:14px 0 0}
.bz-final .bz-cta{justify-content:center;margin-top:28px}
.bz-btn-line{color:#EAF2F8;border:1px solid rgba(159,180,198,.4)}
.bz-btn-line:hover{background:rgba(255,255,255,.07);transform:translateY(-2px)}

@keyframes bzUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
/* hero load-стаггер */
.bz-hero-tx>*{opacity:0;animation:bzUp .7s cubic-bezier(.2,.8,.2,1) forwards}
.bz-hero-tx>*:nth-child(1){animation-delay:.05s}
.bz-hero-tx>*:nth-child(2){animation-delay:.14s}
.bz-hero-tx>*:nth-child(3){animation-delay:.23s}
.bz-hero-tx>*:nth-child(4){animation-delay:.32s}
.bz-hero-tx>*:nth-child(5){animation-delay:.41s}
.bz-hero-card{opacity:0;animation:bzUp .8s cubic-bezier(.2,.8,.2,1) .3s forwards}

@media(max-width:900px){
  .bz-hero-in{grid-template-columns:1fr}
  .bz-hero-card{order:-1;max-width:420px}
  .bz-grid,.bz-steps{grid-template-columns:1fr 1fr}
  .bz-strip-in{grid-template-columns:1fr 1fr;gap:16px 12px}
}
@media(max-width:560px){
  .bz-grid,.bz-steps{grid-template-columns:1fr}
  .bz-cta{flex-direction:column;align-items:stretch}
  .bz-btn{justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  .bz-aurora{animation:none}
  .bz-hero-tx>*,.bz-hero-card,.bz-feat,.bz-step{animation:none;opacity:1}
}