/* ===== Korea Radar — тёмная «радар/телеметрия» ===== */
:root{
  --bg:#0a0c0b; --bg2:#0f1210; --surface:#13181400; --card:#14191580; --card-solid:#141915;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.05);
  --text:#e9ece6; --muted:#8b938a; --dim:#5c635a;
  --accent:#c2f24a; --accent-soft:rgba(194,242,74,.12); --accent-ink:#0a0c0b;
  --amber:#ffc24a;
  --r:16px; --maxw:1180px;
  --font:"Manrope",-apple-system,BlinkMacSystemFont,sans-serif;
  --disp:"Unbounded","Manrope",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); background:var(--bg); color:var(--text);
  line-height:1.55; -webkit-font-smoothing:antialiased; overflow-x:hidden;
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(194,242,74,.10), transparent 60%),
    radial-gradient(700px 600px at 0% 100%, rgba(70,90,60,.10), transparent 55%);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
b{font-weight:700}
h1,h2,h3,h4{font-family:var(--disp);font-weight:800;line-height:1.08;letter-spacing:-.01em}

/* grain */
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ===== layout helpers ===== */
section{position:relative;z-index:2}
.section__title{font-size:clamp(26px,4vw,42px)}
.section__title.center{text-align:center}
.section__sub{color:var(--muted);max-width:620px;margin:14px auto 0;font-size:17px}
.section__sub.center{text-align:center}
.hl{color:var(--accent)}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;padding:12px 22px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap}
.btn--accent{background:var(--accent);color:var(--accent-ink);box-shadow:0 6px 30px rgba(194,242,74,.28)}
.btn--accent:hover{transform:translateY(-2px);box-shadow:0 10px 38px rgba(194,242,74,.42)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--lg{padding:16px 30px;font-size:16px}

/* ===== nav ===== */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;
  max-width:var(--maxw);margin:0 auto;padding:16px 24px;
  backdrop-filter:blur(12px);
}
.nav::before{content:"";position:absolute;inset:0;background:rgba(10,12,11,.6);
  border-bottom:1px solid var(--line-2);z-index:-1}
.brand{font-family:var(--disp);font-weight:600;font-size:19px;display:flex;align-items:center;gap:10px}
.brand b{font-weight:800}
.brand__dot{width:11px;height:11px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(194,242,74,.6);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(194,242,74,.5)}70%{box-shadow:0 0 0 10px rgba(194,242,74,0)}100%{box-shadow:0 0 0 0 rgba(194,242,74,0)}}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--muted)}
.nav__links a:hover{color:var(--text)}
.nav__cta{margin-left:8px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;margin-left:auto}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.2s}

/* ===== hero ===== */
.hero{max-width:var(--maxw);margin:0 auto;padding:40px 24px 30px;position:relative}
.hero__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:3}
.tag{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.02);
  font-family:var(--mono);text-transform:uppercase;letter-spacing:.04em}
.tag .pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
h1{font-size:clamp(34px,5.3vw,62px);margin:22px 0 18px}
.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:540px}
.hero__cta{display:flex;gap:14px;margin:30px 0 12px;flex-wrap:wrap}
.hero__note{font-size:13px;color:var(--dim);font-family:var(--mono)}
.hero__note--dim{opacity:.7;margin-top:3px}

/* radar */
.radar{position:absolute;top:-40px;right:-160px;width:620px;height:620px;z-index:1;
  opacity:.6;pointer-events:none}
.radar__ring{position:absolute;inset:0;margin:auto;border:1px solid rgba(194,242,74,.16);border-radius:50%}
.radar .r1{width:100%;height:100%}.radar .r2{width:66%;height:66%}.radar .r3{width:33%;height:33%}
.radar__sweep{position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 0deg, rgba(194,242,74,.35), rgba(194,242,74,0) 35%);
  animation:spin 4.5s linear infinite;mask:radial-gradient(circle,#000 99%,transparent 100%)}
@keyframes spin{to{transform:rotate(360deg)}}
.blip{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 12px var(--accent);animation:blip 4.5s infinite}
.blip.b1{top:30%;left:58%;animation-delay:.6s}
.blip.b2{top:62%;left:40%;animation-delay:2.1s}
.blip.b3{top:46%;left:70%;animation-delay:3.4s}
@keyframes blip{0%,8%{opacity:0;transform:scale(.4)}10%{opacity:1;transform:scale(1)}60%,100%{opacity:0;transform:scale(.7)}}

/* product mock */
.mock{background:linear-gradient(180deg,#171c18,#11150f);border:1px solid var(--line);
  border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.55);
  max-width:360px;margin:0 0 0 auto;animation:rise .8s .1s both}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.mock__bar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line-2)}
.mock__avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);font-size:17px}
.mock__name{font-weight:700;font-size:14px}
.mock__sub{font-size:11px;color:var(--dim)}
.mock__photo{height:152px;position:relative;overflow:hidden;background:#1a231d}
.mock__photo img{width:100%;height:100%;object-fit:cover;display:block}
.mock__photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(17,21,15,.55))}
.mock__badge{position:absolute;top:10px;left:10px;z-index:2;background:var(--accent);color:var(--accent-ink);
  font-size:11px;font-weight:700;padding:4px 9px;border-radius:6px;font-family:var(--mono)}
.mock__body{padding:14px 16px 16px;font-size:13.5px}
.mock__title{font-size:16px;margin-bottom:2px}
.mock__grade{color:var(--muted);font-style:italic;margin-bottom:10px;font-size:13px}
.mock__price{font-size:15px}.mock__price span{color:var(--muted);font-size:12px}
.mock__row{margin-top:6px}
.mock__row.mute{color:var(--muted);font-size:12.5px}
.mock__rec{margin-top:10px;color:#cfe6a0}
.mock__btns{display:flex;gap:8px;margin:12px 0 10px}
.mock__btns span{flex:1;text-align:center;border:1px solid var(--line);border-radius:9px;
  padding:8px;font-size:12px;color:var(--muted)}
.mock__search{font-style:italic;color:var(--dim);font-size:12px;border-top:1px solid var(--line-2);padding-top:10px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:54px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.stat__n{font-family:var(--mono);font-weight:700;font-size:clamp(26px,3.4vw,38px);color:var(--accent);letter-spacing:-.02em}
.stat__n span{font-size:.5em;color:var(--muted);margin-left:5px;font-weight:500}
.stat__l{color:var(--muted);font-size:13.5px;margin-top:4px}

/* ===== band / problem ===== */
.band{background:var(--bg2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);margin-top:70px}
.band__inner{max-width:var(--maxw);margin:0 auto;padding:64px 24px}
.pains{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
.pain{display:flex;gap:16px;align-items:flex-start;background:var(--card-solid);
  border:1px solid var(--line-2);border-radius:var(--r);padding:20px 22px}
.pain span{font-size:24px;font-family:var(--disp);min-width:30px}
.pain p{color:var(--muted)}

/* ===== how ===== */
.how{max-width:var(--maxw);margin:0 auto;padding:80px 24px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
.step{position:relative;padding:28px 24px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,255,255,.025),transparent)}
.step__n{font-family:var(--mono);font-size:14px;color:var(--accent);margin-bottom:14px}
.step h3{font-size:20px;margin-bottom:10px}
.step p{color:var(--muted);font-size:15px}
.step:not(:last-child)::after{content:"→";position:absolute;right:-16px;top:50%;color:var(--dim);font-size:20px;z-index:3}

/* ===== features ===== */
.features{max-width:var(--maxw);margin:0 auto;padding:30px 24px 80px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.card{background:var(--card-solid);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px;transition:.2s}
.card:hover{border-color:rgba(194,242,74,.4);transform:translateY(-3px)}
.card--wide{grid-column:span 2;background:linear-gradient(120deg,rgba(194,242,74,.07),var(--card-solid))}
.card__ic{font-size:26px;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px}

/* ===== pricing ===== */
.pricing{max-width:var(--maxw);margin:0 auto;padding:70px 24px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:42px;align-items:start}
.plan{background:var(--card-solid);border:1px solid var(--line);border-radius:20px;padding:30px 26px;position:relative}
.plan--hot{border-color:var(--accent);box-shadow:0 20px 60px rgba(194,242,74,.12);transform:translateY(-8px)}
.plan__flag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);
  color:var(--accent-ink);font-size:11px;font-weight:700;padding:4px 14px;border-radius:999px;
  font-family:var(--mono);text-transform:uppercase;letter-spacing:.05em}
.plan__name{font-family:var(--disp);font-weight:600;font-size:15px;color:var(--muted)}
.plan__price{font-family:var(--disp);font-weight:800;font-size:42px;margin-top:8px}
.plan__per{color:var(--dim);font-size:13px;margin-bottom:18px}
.plan ul{list-style:none;margin-bottom:24px;display:flex;flex-direction:column;gap:11px}
.plan li{padding-left:26px;position:relative;font-size:14.5px;color:var(--text)}
.plan li::before{content:"";position:absolute;left:0;top:7px;width:13px;height:8px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.plan .btn{width:100%}
.pricing__b2b{text-align:center;color:var(--muted);margin-top:30px;font-size:15px}
.pricing__b2b a{color:var(--accent);border-bottom:1px solid rgba(194,242,74,.4)}

/* ===== faq ===== */
.faq{max-width:780px;margin:0 auto;padding:60px 24px}
.acc{margin-top:34px;display:flex;flex-direction:column;gap:12px}
details{background:var(--card-solid);border:1px solid var(--line);border-radius:var(--r);padding:4px 22px}
summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400;transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding:0 0 18px;font-size:15px}
details a{color:var(--accent)}

/* ===== final cta ===== */
.final{max-width:var(--maxw);margin:30px auto 0;padding:0 24px 80px}
.final__inner{background:linear-gradient(120deg,rgba(194,242,74,.14),rgba(20,25,21,.5));
  border:1px solid rgba(194,242,74,.3);border-radius:28px;padding:60px 30px;text-align:center;
  position:relative;overflow:hidden}
.final__inner h2{font-size:clamp(24px,3.6vw,38px);max-width:640px;margin:0 auto 12px}
.final__inner p{color:var(--muted);margin-bottom:28px}

/* ===== footer ===== */
.foot{background:var(--bg2);border-top:1px solid var(--line);margin-top:0}
.foot__grid{max-width:var(--maxw);margin:0 auto;padding:60px 24px 36px;
  display:grid;grid-template-columns:1.4fr .7fr .9fr 1.3fr;gap:36px}
.brand--foot{font-size:18px;margin-bottom:14px}
.foot__about{color:var(--muted);font-size:14px;max-width:300px}
.foot__col h4{font-family:var(--font);font-size:13px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--dim);margin-bottom:14px;font-weight:700}
.foot__col a{display:block;color:var(--muted);font-size:14.5px;margin-bottom:10px}
.foot__col a:hover{color:var(--accent)}
.req{color:var(--muted);font-size:13.5px;line-height:1.9}
.req a{color:var(--text)}
.pay{margin-top:14px;font-size:13px;color:var(--text);font-weight:600}
.pay span{color:var(--dim);font-weight:400}
.foot__bottom{max-width:var(--maxw);margin:0 auto;padding:20px 24px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:14px;color:var(--dim);font-size:12.5px;flex-wrap:wrap}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== legal pages ===== */
.legal{max-width:820px;margin:0 auto;padding:50px 24px 90px}
.legal h1{font-size:clamp(26px,4vw,40px);margin-bottom:8px}
.legal .upd{color:var(--dim);font-family:var(--mono);font-size:13px;margin-bottom:32px}
.legal h2{font-size:20px;margin:34px 0 12px}
.legal p,.legal li{color:#cdd2c8;font-size:15px;margin-bottom:10px}
.legal ul,.legal ol{padding-left:22px;margin-bottom:10px}
.legal a{color:var(--accent)}
.back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;margin-bottom:24px}
.back:hover{color:var(--accent)}
.note{background:var(--accent-soft);border:1px solid rgba(194,242,74,.25);border-radius:12px;
  padding:14px 18px;font-size:14px;color:#dfeac0;margin:18px 0}

/* ===== responsive ===== */
@media(max-width:900px){
  .hero__inner{grid-template-columns:1fr;gap:30px}
  .mock{margin:0 auto;max-width:340px}
  .radar{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px 18px}
  .pains,.steps,.grid,.plans{grid-template-columns:1fr}
  .card--wide{grid-column:auto}
  .step:not(:last-child)::after{display:none}
  .plan--hot{transform:none}
  .foot__grid{grid-template-columns:1fr 1fr}
  .nav__links{display:none}
  .nav__cta{display:none}
  .burger{display:flex}
  .nav__links.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:18px 24px;gap:18px}
}
@media(max-width:520px){
  .stats{grid-template-columns:1fr 1fr}
  .foot__grid{grid-template-columns:1fr}
  .final__inner{padding:42px 22px}
}
@media(prefers-reduced-motion:reduce){
  .radar__sweep,.blip,.brand__dot,.pulse{animation:none}
  .reveal{transition:none}
}