:root{
  --bg:#0b1020;
  --bg-soft:#111733;
  --card:#ffffff;
  --text:#0b1020;
  --muted:#5a6785;
  --border:#e6e9f2;
  --primary:#e11d48;
  --primary-dark:#be123c;
  --accent:#facc15;
  --green:#16a34a;
  --vn-red:#da251d;
  --vn-yellow:#ffcd00;
  --radius:16px;
  --shadow:0 10px 30px rgba(14,19,45,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;max-width:100%}
body{overflow-x:clip}
body{
  font-family:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);
  background:#f7f8fc;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em;color:var(--muted)}

.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header__inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text)}
.logo__mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--vn-red),var(--primary));color:#fff;display:grid;place-items:center;box-shadow:0 6px 16px rgba(225,29,72,.35);overflow:hidden;position:relative}
.logo__mark svg{display:block}
.logo__text em{font-style:normal;color:var(--primary);font-weight:700}
.logo--light{color:#fff}
.logo--light .logo__text em{color:var(--vn-yellow)}
.nav{margin-left:auto;display:flex;gap:22px;flex-wrap:nowrap}
.nav a{white-space:nowrap}
.nav a{color:var(--muted);font-weight:500;font-size:.95rem;transition:color .2s}
.nav a:hover{color:var(--text)}
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;padding:0;position:relative;z-index:101}
.burger span{display:block;width:22px;height:2px;background:var(--text);margin:5px auto;border-radius:2px;transition:transform .25s, opacity .2s}
.nav--open .burger span{background:#fff}
.nav--open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav--open .burger span:nth-child(2){opacity:0}
.nav--open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav a.nav__cta{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:600;font-size:.98rem;cursor:pointer;transition:transform .15s ease, box-shadow .2s, background .2s;border:0;white-space:nowrap}
.btn--primary{background:linear-gradient(135deg,var(--vn-red),var(--primary));color:#fff;box-shadow:0 8px 24px rgba(225,29,72,.35)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(225,29,72,.45)}
.btn--ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn--ghost:hover{background:rgba(255,255,255,.2)}
.btn--sm{padding:10px 16px;font-size:.9rem}
.btn--block{width:100%;justify-content:center}

/* Hero */
.hero{
  position:relative;
  padding:60px 0 90px;
  background:
    radial-gradient(1000px 500px at 90% -10%, rgba(250,204,21,.2), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(225,29,72,.25), transparent 55%),
    linear-gradient(180deg,#0b1020 0%,#141b3d 100%);
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60'><circle cx='1' cy='1' r='1' fill='white' opacity='.08'/></svg>");
  pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:2}
.hero__grid>*{min-width:0}
.hero__content{min-width:0}
.hero h1{color:#fff}
.hero__lead{color:rgba(255,255,255,.75);font-size:1.1rem;max-width:560px}
.badge{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:8px 14px;border-radius:999px;font-size:.85rem;font-weight:500;margin-bottom:20px;color:#fff}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 28px}
.hero__points{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.hero__points li{color:rgba(255,255,255,.8);font-weight:500}

/* Calculator card */
.hero__card{background:#fff;color:var(--text);border-radius:20px;padding:28px;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.hero__card h3{margin-bottom:16px}
.calc__row{margin-bottom:12px}
.calc__row label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px;font-weight:500}
.calc__field{display:flex;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#f7f8fc}
.calc__field input{flex:1 1 120px;border:0;padding:16px;font-size:1.15rem;font-weight:600;background:transparent;outline:none;min-width:100px;font-family:inherit;color:var(--text);width:100%}
.calc__field select, .calc__static{background:#fff;border:0;border-left:1px solid var(--border);padding:0 14px;font-weight:600;cursor:pointer;font-family:inherit;font-size:.92rem;color:var(--text);max-width:55%}
.calc__static{display:flex;align-items:center;color:var(--primary)}
.calc__arrow{text-align:center;color:var(--muted);font-size:1.2rem;margin:4px 0}
.calc__note{font-size:.82rem;color:var(--muted);margin:10px 0 16px;text-align:center}

/* Sections */
.section{padding:90px 0}
.section__head{text-align:center;max-width:680px;margin:0 auto 50px}
.section__head p{font-size:1.05rem}

/* Rates */
.rates{background:#fff}
.rates__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.rate{background:linear-gradient(180deg,#fff,#f7f8fc);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;transition:transform .2s, box-shadow .2s}
.rate:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.rate__flag{font-size:2rem;margin-bottom:6px}
.rate__code{font-weight:700;color:var(--muted);font-size:.85rem;letter-spacing:.1em}
.rate__val{font-size:1.6rem;font-weight:800;color:var(--primary);margin:4px 0}
.rate__unit{font-size:.8rem;color:var(--muted)}
.rates__updated{text-align:center;color:var(--muted);font-size:.88rem;margin-top:26px}
.rates__tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;max-width:800px;margin:30px auto 0}
.tier{padding:22px;border-radius:var(--radius);border:1px solid var(--border);background:#fff}
.tier--best{background:linear-gradient(135deg,#ecfdf5,#fff);border-color:#a7f3d0}
.tier--vip{background:linear-gradient(135deg,#fef3c7,#fffbeb);border-color:#fcd34d;position:relative}
.tier--vip .tier__amount{color:#b45309}
.tier__title{font-weight:700;font-size:1rem;margin-bottom:6px}
.tier__amount{font-weight:700;color:var(--primary);font-size:1.1rem;margin-bottom:6px}
.tier--best .tier__amount{color:var(--green)}
.tier__desc{color:var(--muted);font-size:.92rem}
.tier--link{display:block;color:inherit;text-decoration:none;transition:transform .2s, box-shadow .2s, border-color .2s}
.tier--link:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary)}
.tier--link:hover .tier__desc{color:var(--primary);font-weight:600}

/* Services */
.services{background:#f7f8fc}
.services__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.service{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--border);transition:transform .2s, box-shadow .2s}
.service:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.service--link{display:block;color:inherit;text-decoration:none;background:linear-gradient(135deg,#fff,#fef2f2);border-color:#fecaca}
.service--link:hover{border-color:var(--primary)}
.service--link h3{color:var(--primary)}
.service__ico{font-size:2.2rem;margin-bottom:12px}
.service__tip{background:#fef9c3;border-left:3px solid var(--accent);padding:10px 14px;border-radius:8px;font-size:.9rem;color:var(--text);margin-top:12px}

/* How */
.how{background:#fff}
.how__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;counter-reset:step}
.step{background:linear-gradient(180deg,#f7f8fc,#fff);border:1px solid var(--border);border-radius:var(--radius);padding:32px;position:relative}
.step__num{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--vn-red),var(--primary));color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px}

/* Why */
.why{background:linear-gradient(135deg,#0b1020,#1a2250);color:#fff;position:relative;overflow:hidden}
.why::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 80% 20%, rgba(250,204,21,.18), transparent 60%)}
.why .section__head p{color:rgba(255,255,255,.7)}
.why h2{color:#fff}
.why__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;position:relative}
.why__item{text-align:center;padding:28px 18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius)}
.why__item b{display:block;font-size:2rem;color:var(--vn-yellow);font-weight:800;margin-bottom:6px}
.why__item span{color:rgba(255,255,255,.75);font-size:.95rem}

/* Reviews */
.reviews{background:#f7f8fc}
.reviews__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.review{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--border)}
.review__stars{color:var(--accent);font-size:1.1rem;letter-spacing:2px;margin-bottom:10px}
.review p{color:var(--text);font-size:.98rem}
.review__author{color:var(--muted);font-size:.88rem;font-weight:600}
.reviews__note{text-align:center;color:var(--muted);margin-top:30px;font-size:.92rem}
.reviews__note a{color:var(--primary);font-weight:600}

/* FAQ */
.faq{background:#fff}
.faq__list{max-width:780px;margin:0 auto;display:grid;gap:12px}
details{background:#f7f8fc;border:1px solid var(--border);border-radius:12px;padding:18px 22px;transition:background .2s}
details[open]{background:#fff;box-shadow:var(--shadow)}
summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:"+";font-size:1.4rem;color:var(--primary);transition:transform .2s}
details[open] summary::after{content:"−"}
details p{margin:14px 0 0}

/* Contacts */
.contacts{background:linear-gradient(135deg,#0b1020,#1a2250);color:#fff}
.contacts h2{color:#fff}
.contacts .section__head p{color:rgba(255,255,255,.7)}
.contacts__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;max-width:900px;margin:0 auto}
.contact{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:28px;border-radius:var(--radius);text-align:center;transition:transform .2s, background .2s}
.contact:hover{transform:translateY(-6px);background:rgba(255,255,255,.12)}
.contact__ico{font-size:2.2rem;margin-bottom:10px;display:flex;justify-content:center}
.contact__ico svg{width:42px;height:42px;color:#fff}
.contact__label{font-weight:700;font-size:1.1rem;margin-bottom:4px}
.contact__val{color:rgba(255,255,255,.7);font-size:.92rem}
.contact--tg:hover{background:linear-gradient(135deg,#229ED9,#0088cc)}
.contact--vk:hover{background:#07F}
.contact--fb:hover{background:#1877F2}
.contacts__hours{text-align:center;margin-top:32px;color:rgba(255,255,255,.85);display:grid;gap:6px;max-width:560px;margin-left:auto;margin-right:auto;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:20px 24px;border-radius:var(--radius)}
.hours__row{font-size:.98rem}
.hours__row b{color:var(--vn-yellow)}
.hours__note{font-size:.82rem;color:rgba(255,255,255,.55);margin-top:6px}

/* Footer */
.footer{background:#070a17;color:rgba(255,255,255,.7);padding:60px 0 20px}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer h4{color:#fff;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.footer a, .footer span{display:block;color:rgba(255,255,255,.6);margin-bottom:8px;font-size:.95rem;transition:color .2s}
.footer a:hover{color:var(--vn-yellow)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:.85rem;color:rgba(255,255,255,.4)}

/* FAB */
.fab{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#229ED9,#0088cc);color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,136,204,.5);z-index:60;transition:transform .2s;animation:pulse 2s infinite}
.fab:hover{transform:scale(1.08)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,136,204,.5)}70%{box-shadow:0 0 0 18px rgba(0,136,204,0)}100%{box-shadow:0 0 0 0 rgba(0,136,204,0)}}

/* Responsive */
@media (max-width: 860px){
  .nav{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;background:linear-gradient(180deg,#0b1020,#141b3d)!important;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:24px;transform:translateX(100%);transition:transform .3s ease;z-index:100;padding:80px 24px;margin:0}
  .nav a{color:#fff;font-size:1.25rem;font-weight:600}
  .nav a.nav__cta{display:inline-flex;margin-top:12px}
  .header__cta{display:none}
  .nav--open .nav{transform:translateX(0)}
  .nav--open{overflow:hidden}
  .burger{display:block;margin-left:auto}
  .header__inner{gap:12px}
  .hero__grid{grid-template-columns:1fr;gap:28px}
  .footer__inner{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
  .hero{padding:32px 0 48px}
  h1{font-size:1.85rem;line-height:1.2}
  h2{font-size:1.5rem}
  .hero__lead{font-size:1rem}
  .hero__card{padding:20px}
  .service, .step, .review{padding:22px}
  .rate{padding:18px}
  .btn{padding:12px 16px;font-size:.92rem;white-space:normal}
  .btn--sm{padding:9px 14px;font-size:.85rem}
  .section__head{margin:0 auto 30px}
  .section__head p{font-size:.98rem}
  .rates__grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .rate__val{font-size:1.3rem}
  .hero__cta{gap:10px}
  .contacts__hours{padding:16px}
  .hours__row{font-size:.92rem}
  .container{padding:0 16px}
  .calc__field input{font-size:1rem;padding:12px}
  .calc__field select, .calc__static{padding:0 12px;font-size:.88rem}
}
@media (max-width: 520px){
  .footer__inner{grid-template-columns:1fr;gap:22px}
  h1{font-size:1.7rem}
  .badge{font-size:.78rem;padding:6px 12px}
  .logo__text{font-size:1rem}
  .header{height:auto}
  .header__inner{height:60px}
  .fab{width:52px;height:52px;bottom:16px;right:16px}
  .fab svg{width:24px;height:24px}
  .reviews__grid, .services__grid, .how__grid{grid-template-columns:1fr}
  .rates__grid{gap:8px}
  .rate{padding:14px 10px}
  .rate__flag{font-size:1.6rem}
  .rate__val{font-size:1.15rem}
  .rate__code, .rate__unit{font-size:.72rem}
  .why__grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .why__item{padding:18px 10px}
  .why__item b{font-size:1.4rem}
}