:root{
  --bg:#0d1018; --bg2:#121826; --surface:#171f30; --line:#26314a;
  --ink:#e9eef7; --muted:#94a3bd; --accent:#6ea8fe; --accent2:#7c5cff;
  --good:#2fd180; --warn:#ffb454;
  --radius:14px; --space:clamp(3rem,2rem+5vw,7rem);
  --maxw:1180px; --pad-x:max(clamp(16px,5vw,40px),calc((100% - var(--maxw))/2));
  --mono:"Cascadia Code",ui-monospace,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
a{color:var(--accent);text-decoration:none}
code{font-family:var(--mono);font-size:.9em;background:#0f1626;color:#cdddf5;padding:1px 6px;border-radius:5px}
img,video{max-width:100%;height:auto;display:block}

/* header */
.site-head{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--pad-x);background:rgba(13,16,24,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);font-size:18px}
.brand-mark{font-family:var(--mono);color:var(--accent)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.4em;font-weight:600;font-size:15px;padding:11px 20px;border-radius:10px;
  border:1px solid transparent;cursor:pointer;transition:transform .15s var(--ease),background .15s,border-color .15s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--accent2),var(--accent));color:#0b1020;box-shadow:0 8px 24px #6ea8fe2e}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--accent)}
.btn-ghost{background:#1b2438;color:var(--ink)}
.btn-lg{font-size:17px;padding:15px 30px}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center;
  padding:clamp(40px,6vw,90px) var(--pad-x) var(--space)}
.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-weight:700;margin:0 0 12px}
.hero h1{font-size:clamp(2.2rem,1.2rem+4.5vw,4.2rem)}
.lede{font-size:clamp(1.05rem,.98rem+.5vw,1.3rem);color:#c6d2e6;max-width:46ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 14px}
.hero-note{font-size:14px;color:var(--muted)}
.hero-media video{width:100%;border-radius:var(--radius);border:1px solid var(--line);background:#000;box-shadow:0 30px 60px #00000066}

/* bands */
.band{padding:var(--space) var(--pad-x)}
.band-alt{background:var(--bg2)}
.band h2{font-size:clamp(1.6rem,1.2rem+1.6vw,2.4rem);margin-bottom:.8em}

/* cards */
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .15s,transform .15s var(--ease)}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card h3{font-size:18px;color:var(--accent)}
.card p{margin:0;color:var(--muted)}

/* results */
.results{margin:0;padding-left:1.3em;columns:2;column-gap:40px}
.results li{margin:0 0 12px;break-inside:avoid}
.prog{margin-top:24px;color:var(--muted)}
@media(max-width:640px){.results{columns:1}}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
blockquote{margin:0;background:var(--surface);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;padding:18px 20px}
blockquote cite{display:block;margin-top:10px;color:var(--muted);font-style:normal;font-size:14px}
.ph{color:var(--muted);font-style:italic}

/* buy */
.band-buy{text-align:center;background:radial-gradient(120% 100% at 50% 0,#1a2138,transparent),var(--bg)}
.price{display:flex;gap:14px;align-items:baseline;justify-content:center;margin:10px 0 6px;flex-wrap:wrap}
.price-old{color:var(--muted);text-decoration:line-through;font-size:22px}
.price-new{font-size:44px;font-weight:800;color:var(--ink)}
.price-tag{background:#123a2a;color:var(--good);padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600}
.band-buy .btn{margin:18px 0 10px}

/* form */
.sub-form{display:grid;gap:14px;max-width:440px}
.sub-form input[type=email]{padding:13px 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:16px}
.sub-form input[type=email]:focus-visible{outline:2px solid var(--accent);border-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.consent input{margin-top:3px}
.form-msg{font-size:14px;min-height:1.2em;margin:0}
.form-msg.ok{color:var(--good)}.form-msg.err{color:#ff7a7a}

/* faq */
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{cursor:pointer;font-weight:600;list-style:none}
summary::after{content:"+";float:right;color:var(--accent)}
details[open] summary::after{content:"−"}
details p{margin:10px 0 0;color:var(--muted)}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:30px var(--pad-x);display:flex;flex-wrap:wrap;gap:14px 28px;justify-content:space-between;color:var(--muted);font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}
.foot-links a{color:var(--muted)}.foot-links a:hover{color:var(--accent)}

/* cookie banner */
.cookie-banner[hidden]{display:none}  /* иначе display:flex ниже перебивает атрибут hidden → баннер не прячется */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;box-shadow:0 20px 50px #00000080;max-width:780px;margin:0 auto}
.cookie-banner p{margin:0;font-size:14px;color:var(--muted)}
.cookie-actions{display:flex;gap:10px}

/* mobile */
@media(max-width:820px){
  .hero{grid-template-columns:1fr}
  .hero-media{order:-1}
}
@media(max-width:560px){
  .site-head .btn-ghost{display:none}
  .sticky-cta{position:fixed;left:12px;right:12px;bottom:12px;z-index:40}
}

/* reduced motion */
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}