:root{
  --primary:#0e7490; --bg:#071318; --ink:#e3f2f5; --accent:#67e8f9;
  --panel:#0c1d24; --panel2:#102a33; --line:rgba(227,242,245,.13); --mute:rgba(227,242,245,.62);
  --s:clamp(16px,2vw,24px); --r:16px;
  --display:'Playfair Display',Georgia,serif; --body:'Source Sans 3',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{width:min(1160px,92vw);margin-inline:auto}
h1,h2,h3{font-family:var(--display);line-height:1.08;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(36px,5.6vw,68px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,42px)}
h3{font-size:19px;font-weight:700}
.lead{font-size:clamp(15px,1.6vw,19px);color:var(--mute);line-height:1.65;font-family:var(--body)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;font-family:var(--body)}
.eyebrow--light{color:var(--accent)}
.lead--light{color:rgba(255,255,255,.8)}

/* nav */
.nav{position:sticky;top:0;z-index:30;background:rgba(7,19,24,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;gap:20px;height:66px}
.brand{font-family:var(--display);font-weight:800;font-size:19px;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:9px}
.brand__mark{width:14px;height:14px;background:#ef4444;border-radius:50%;box-shadow:0 0 0 4px rgba(239,68,68,.2);flex-shrink:0;font-size:0}
.nav__links{display:flex;gap:26px;margin-left:auto}
.nav__links a{text-decoration:none;color:var(--mute);font-weight:600;font-size:14px}
.nav__links a:hover{color:var(--accent)}
.burger{display:none;background:none;border:0;color:var(--ink);font-size:22px;cursor:pointer;margin-left:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;text-decoration:none;font-weight:700;font-family:var(--body);padding:12px 22px;border-radius:999px;font-size:14px;border:0;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px);background:#0a5a70}
.btn--sm{padding:9px 16px;font-size:13px}
.btn--lg{padding:15px 30px;font-size:15px}
.btn--ghost{background:transparent;color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}
.btn--ghost:hover{background:var(--accent);color:#071318}
.btn--white{background:var(--accent);color:#071318}
.btn--white:hover{background:#a5f3fc}
.btn--light{color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.4)}
.btn--light:hover{background:rgba(255,255,255,.12);color:#fff}

/* ─── HERO ─── */
.hero{padding:clamp(40px,5vw,80px) 0 clamp(48px,6vw,88px);background:radial-gradient(110% 80% at 80% 10%,rgba(14,116,144,.3),transparent 55%)}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero h1{max-width:13ch}
.hero .lead{max-width:50ch;margin-top:18px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero__meta{list-style:none;display:flex;gap:24px;flex-wrap:wrap;margin-top:28px;border-top:1px solid var(--line);padding-top:22px}
.hero__meta li{font-size:14px;color:var(--mute);font-weight:600}
.hero__cover{position:relative;border-radius:calc(var(--r)+8px);overflow:hidden;box-shadow:0 30px 70px -26px rgba(0,0,0,.8);border:1px solid var(--line)}
.hero__cover img{display:block;width:100%;height:clamp(320px,40vw,480px);object-fit:cover}
.hero__live{position:absolute;top:16px;left:16px;background:rgba(7,19,24,.78);backdrop-filter:blur(6px);color:#fca5a5;font-weight:700;font-size:12px;letter-spacing:.12em;padding:7px 14px;border-radius:999px;border:1px solid rgba(239,68,68,.4)}

/* ─── SECTIONS ─── */
.section{padding:clamp(56px,6.5vw,100px) 0}
.section--alt{background:var(--panel)}
.section__head{text-align:center;max-width:58ch;margin:0 auto 48px}
.section__head p{color:var(--mute);margin-top:10px}

/* ─── CARD-DECK tariffs ─── */
.deck{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.deck__card{background:var(--panel);border:1px solid var(--line);border-radius:calc(var(--r)+4px);padding:30px 26px;display:flex;flex-direction:column;position:relative;transition:transform .2s,box-shadow .2s}
.deck__card:hover{transform:translateY(-6px)}
.deck__card--1{transform:rotate(-1.2deg)}
.deck__card--3{transform:rotate(1.2deg)}
.deck__card--1:hover,.deck__card--3:hover{transform:translateY(-6px) rotate(0deg)}
.deck__card--hot{background:linear-gradient(165deg,var(--panel2),var(--panel));border-color:rgba(103,232,249,.4);box-shadow:0 24px 60px -28px rgba(14,116,144,.7);z-index:2}
.deck__card--hot::before{content:'хит';position:absolute;top:-12px;right:24px;background:var(--accent);color:#071318;font-family:var(--body);font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.deck__tier{font-family:var(--body);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.deck__price{font-family:var(--display);font-size:clamp(30px,3.6vw,42px);font-weight:800;color:var(--ink);margin:14px 0 4px}
.deck__price small{font-family:var(--body);font-size:15px;font-weight:600;color:var(--mute)}
.deck__card p{color:var(--mute);font-size:14.5px;margin:10px 0 18px;flex:1}
.deck__feats{list-style:none;display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--line);padding-top:18px}
.deck__feats li{position:relative;padding-left:24px;font-size:14px;color:var(--ink)}
.deck__feats li::before{content:'✓';position:absolute;left:0;color:var(--accent);font-weight:700}

/* ─── FEATURE flow ─── */
.feature{padding:clamp(56px,6.5vw,100px) 0;background:linear-gradient(160deg,var(--panel2),var(--bg))}
.feature__in{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(32px,5vw,64px);align-items:center}
.feature__panel{background:var(--panel);border:1px solid var(--line);border-radius:calc(var(--r)+8px);padding:32px 28px;box-shadow:0 24px 60px -28px rgba(0,0,0,.7)}
.feature__step{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);background:rgba(103,232,249,.1);padding:6px 14px;border-radius:999px;margin-bottom:20px}
.flow{display:flex;flex-direction:column}
.flow__node{position:relative;padding:0 0 24px 32px;border-left:2px solid var(--line)}
.flow__node:last-child{padding-bottom:0;border-left-color:transparent}
.flow__node::before{content:'';position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(103,232,249,.18)}
.flow__node b{display:block;font-family:var(--display);font-size:20px;color:var(--ink)}
.flow__node span{display:block;color:var(--mute);font-size:14px;margin-top:4px}
.feature__list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0 26px}
.feature__list li{position:relative;padding-left:28px;color:var(--ink);font-size:15px}
.feature__list li::before{content:'♪';position:absolute;left:0;top:0;color:var(--accent)}

/* ─── ABOUT ─── */
.about__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,4vw,56px);align-items:start}
.about__text p{color:var(--mute);margin-top:14px;max-width:54ch;font-size:15.5px}
.badges{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.badge{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px 20px;text-align:center}
.badge b{display:block;font-family:var(--display);font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--accent)}
.badge span{display:block;color:var(--mute);font-size:13px;margin-top:6px}

/* ─── CONTACT ─── */
.contact{padding:clamp(56px,6.5vw,100px) 0;background:linear-gradient(135deg,var(--primary),#0a5a70)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4vw,56px);align-items:start}
.contact h2{color:#fff}
.contact .eyebrow--light{color:#a5f3fc}
.contact__info p{color:rgba(255,255,255,.86);margin-top:10px;max-width:42ch}
.contact__lines{display:flex;flex-direction:column;gap:8px;margin:20px 0}
.contact__lines span{color:#fff;font-weight:600;font-size:15px}
.contact__msgr{display:flex;gap:12px;flex-wrap:wrap}
.form{background:var(--bg);border-radius:calc(var(--r)+6px);padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;gap:16px;border:1px solid var(--line)}
.form label{display:flex;flex-direction:column;gap:7px;font-size:13.5px;font-weight:600;color:var(--mute)}
.form input,.form select{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:13px 14px;color:var(--ink);font-family:var(--body);font-size:15px}
.form input:focus,.form select:focus{outline:none;border-color:var(--accent)}
.form__btn{margin-top:6px}
.form__ok{display:none;color:var(--accent);font-size:14px;font-weight:600}
.form__ok.show{display:block}

/* ─── FOOTER ─── */
.foot{background:#040c0f;color:var(--mute);padding:26px 0}
.foot__in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}

@media(max-width:900px){
  .nav__links{position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--panel);padding:16px 6vw;gap:14px;display:none;border-bottom:1px solid var(--line)}
  .nav__links.open{display:flex}
  .burger{display:block}
  .nav .btn--sm{display:none}
  .hero__in{grid-template-columns:1fr}
  .deck{grid-template-columns:1fr}
  .deck__card--1,.deck__card--3{transform:none}
  .feature__in{grid-template-columns:1fr}
  .about__grid{grid-template-columns:1fr}
  .contact__grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .hero__meta{gap:14px}
  .badges{grid-template-columns:1fr}
  .hero__cover img{height:260px}
}