/* ===== Tokens — Blue + Dark theme ===== */
:root{
  --bg:#0d0f13;
  --bg-2:#14171d;
  --surface:#1b1f27;
  --surface-2:#232834;
  --line:#2c3340;
  --text:#eef1f6;
  --muted:#9aa3b2;
  --red:#1a6fdb;
  --red-600:#1559b8;
  --red-glow:rgba(26,111,219,.35);
  --amber:#38bdf8;
  --radius:14px;
  --maxw:1160px;
  --ff-head:'Oswald',sans-serif;
  --ff-body:'Inter',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:var(--ff-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.container--narrow{max-width:820px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:.98rem;padding:14px 26px;border-radius:999px;
  cursor:pointer;border:1px solid transparent;transition:.2s ease;white-space:nowrap;
}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 8px 26px var(--red-glow)}
.btn--primary:hover{background:var(--red-600);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--red);color:#fff}
.btn--outline{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn--outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--block{width:100%}

/* ===== Top bar ===== */
.topbar{background:#08090c;border-bottom:1px solid var(--line);font-size:.85rem}
.topbar__inner{display:flex;justify-content:center;align-items:center;height:42px;flex-wrap:wrap;gap:6px}
.topbar__note{color:var(--muted);display:flex;align-items:center;gap:8px}
.topbar__phones{display:flex;gap:18px;font-weight:600}
.topbar__phones a:hover{color:var(--red)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 var(--red-glow);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--red-glow)}70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:50;background:rgba(13,15,19,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--ff-head);font-size:1.35rem;letter-spacing:.5px}
.logo__mark{width:38px;height:38px;border-radius:10px;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:0 6px 18px var(--red-glow)}
.logo__text strong{color:var(--red)}
.nav{display:flex;align-items:center;gap:30px;font-weight:500}
.nav a{color:var(--muted);transition:.2s}
.nav a:hover{color:#fff}
.nav__cta{color:#fff !important;background:var(--red);padding:9px 20px;border-radius:999px;box-shadow:0 6px 18px var(--red-glow)}
.nav__cta:hover{background:var(--red-600)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:#fff;transition:.3s}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(26,111,219,.30), transparent 60%),
    linear-gradient(to bottom, transparent 50%, rgba(13,15,19,.82) 86%, var(--bg) 100%),
    linear-gradient(100deg, rgba(13,15,19,.97) 0%, rgba(13,15,19,.88) 42%, rgba(13,15,19,.5) 100%),
    url('images/hero.jpg') center right / cover no-repeat,
    var(--bg);
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(26,111,219,.30), transparent 60%),
    linear-gradient(to bottom, transparent 50%, rgba(13,15,19,.82) 86%, var(--bg) 100%),
    linear-gradient(100deg, rgba(13,15,19,.97) 0%, rgba(13,15,19,.88) 42%, rgba(13,15,19,.5) 100%),
    image-set(url('images/hero.webp') type('image/webp'), url('images/hero.jpg') type('image/jpeg')) center right / cover no-repeat,
    var(--bg);
}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center;padding:72px 22px 84px}
.badge{display:inline-block;background:rgba(26,111,219,.12);border:1px solid rgba(26,111,219,.4);color:#7eb8ff;font-size:.82rem;font-weight:600;padding:7px 15px;border-radius:999px;margin-bottom:22px}
.hero h1{font-family:var(--ff-head);font-weight:700;font-size:clamp(2.3rem,5vw,3.7rem);line-height:1.18;letter-spacing:.5px}
.hero__h1-red{color:var(--red);text-transform:uppercase}
.hero__lead{color:var(--muted);font-size:1.12rem;margin:22px 0 30px;max-width:540px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__price{margin-top:26px;color:var(--muted)}
.hero__price strong{color:#fff}

.hero__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:linear-gradient(160deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.stat__num{display:block;font-family:var(--ff-head);font-size:2rem;color:var(--red);line-height:1}
.stat__label{display:block;color:var(--muted);font-size:.9rem;margin-top:8px}

/* ===== Sections ===== */
.section{padding:86px 0}
.section--dark{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{text-align:center;max-width:660px;margin:0 auto 50px}
.eyebrow{display:inline-block;color:var(--red);font-weight:700;font-size:.8rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.eyebrow--light{color:#b8d9ff}
.section__head h2{font-family:var(--ff-head);font-size:clamp(1.9rem,3.6vw,2.7rem);text-transform:uppercase;letter-spacing:.5px}
.section__head p{color:var(--muted);margin-top:12px}

/* ===== Service cards ===== */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-6px);border-color:var(--red);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.card picture{display:block}
.card__img{width:100%;aspect-ratio:3/2;height:auto;object-fit:cover;display:block;transition:transform .35s ease;
  -webkit-mask-image:linear-gradient(to bottom,#000 78%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 78%,transparent 100%)}
@media (hover:hover){.card:hover .card__img{transform:scale(1.06)}}
.card__body{padding:24px 26px 30px}
.card__icon{margin-bottom:14px;color:var(--red)}
.card__icon svg{width:40px;height:40px;stroke-width:1.7}
.card h3{font-family:var(--ff-head);font-size:1.25rem;margin-bottom:10px;letter-spacing:.3px}
.card p{color:var(--muted);font-size:.96rem}

/* ===== Advantages ===== */
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.adv__item{display:flex;gap:16px;align-items:flex-start}
.adv__ico{flex:0 0 auto;width:54px;height:54px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--red)}
.adv__ico svg{width:27px;height:27px}
.adv__item h4{font-size:1.08rem;margin-bottom:4px}
.adv__item p{color:var(--muted);font-size:.94rem}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:14px}
.faq__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:4px 22px;transition:.2s}
.faq__item[open]{border-color:var(--red)}
.faq__item summary{list-style:none;cursor:pointer;font-weight:600;font-size:1.05rem;padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--red);font-size:1.5rem;font-weight:400;transition:.2s;flex:0 0 auto}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{color:var(--muted);padding:0 0 20px}

/* ===== CTA / Order ===== */
.section--cta{background:linear-gradient(140deg,#0e3d8a,#071f4a);position:relative}
.order{display:flex;justify-content:center}
.order__text h2{font-family:var(--ff-head);font-size:clamp(1.9rem,3.6vw,2.6rem);text-transform:uppercase}
.order__text p{margin:14px 0 24px;color:#d4e8ff;max-width:460px}
.order__phones{display:flex;gap:14px;flex-wrap:wrap}
.order__form{width:100%;max-width:640px;background:#fff;color:#11131a;border-radius:18px;padding:40px 46px;box-shadow:0 25px 60px rgba(0,0,0,.4)}
.order__form h3{font-family:var(--ff-head);font-size:1.4rem;margin-bottom:18px;text-transform:uppercase}
.order__form label{display:block;font-size:.86rem;font-weight:600;color:#3a3f4b;margin-bottom:14px}
.order__form input,.order__form textarea{width:100%;margin-top:6px;padding:12px 14px;border:1px solid #d7dbe3;border-radius:10px;font:inherit;color:#11131a;background:#f7f8fa;resize:vertical}
.order__form input:focus,.order__form textarea:focus{outline:none;border-color:var(--red);background:#fff}
.order__ok{margin-top:14px;color:#0a7a32;font-weight:600;font-size:.95rem;text-align:center}

/* ===== Footer ===== */
.footer{background:#08090c;border-top:1px solid var(--line);padding-top:60px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:46px}
.logo--footer{margin-bottom:16px}
.footer__col p{color:var(--muted);font-size:.95rem;max-width:340px}
.footer__col h4{font-size:1rem;margin-bottom:16px}
.footer__col a,.footer__col span{display:block;color:var(--muted);font-size:.95rem;margin-bottom:10px;transition:.2s}
.footer__col a:hover{color:var(--red)}
.footer .logo{display:flex;align-items:center;gap:11px;font-family:var(--ff-head);font-size:1.35rem;letter-spacing:.5px;color:var(--text);margin:0 0 16px}
.footer .logo .logo__mark{display:grid;place-items:center;width:38px;height:38px;margin:0;color:#fff;font-size:1.35rem}
.footer .logo .logo__text{display:inline-block;margin:0;font-size:inherit;color:var(--text)}
.footer .logo .logo__text strong{color:var(--red)}
.footer__bottom{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:.86rem;text-align:center}

/* ===== Floating call button ===== */
.fab{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.fab__options{display:flex;flex-direction:column;gap:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s;pointer-events:none}
.fab.open .fab__options{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.fab__options a{background:#fff;color:#11131a;font-weight:600;font-size:.95rem;padding:11px 18px;border-radius:999px;box-shadow:0 8px 22px rgba(0,0,0,.35);white-space:nowrap;transition:.2s}
.fab__options a:hover{background:var(--red);color:#fff}
.fab__btn{display:flex;align-items:center;gap:9px;background:var(--red);color:#fff;padding:13px 20px;border-radius:999px;font-family:inherit;font-weight:600;font-size:1rem;border:0;cursor:pointer;box-shadow:0 10px 30px var(--red-glow);animation:bob 2.4s ease-in-out infinite}
.fab__btn:hover{background:var(--red-600)}
.fab.open .fab__btn{animation:none}
.fab__ico{display:inline-flex}
.fab__ico svg{width:19px;height:19px;display:block}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* ===== Responsive ===== */
@media(max-width:920px){
  .hero{
    background:
      linear-gradient(180deg, rgba(13,15,19,.93) 0%, rgba(13,15,19,.74) 48%, rgba(13,15,19,.97) 100%),
      url('images/hero.jpg') 12% 68% / cover no-repeat,
      var(--bg);
    background:
      linear-gradient(180deg, rgba(13,15,19,.93) 0%, rgba(13,15,19,.74) 48%, rgba(13,15,19,.97) 100%),
      image-set(url('images/hero-1280.webp') type('image/webp'), url('images/hero.jpg') type('image/jpeg')) 12% 68% / cover no-repeat,
      var(--bg);
  }
  .hero__inner{grid-template-columns:1fr;gap:36px;padding:54px 22px 62px}
  .cards{grid-template-columns:1fr 1fr}
  .adv{grid-template-columns:1fr 1fr}
  .order{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:var(--bg-2);border-bottom:1px solid var(--line);padding:14px 22px 18px;box-shadow:0 22px 40px rgba(0,0,0,.45);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .25s,transform .25s,visibility .25s}
  .nav.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav a{padding:13px 6px;border-radius:8px}
  .nav a:hover{background:var(--surface)}
  .nav__cta{text-align:center;margin-top:6px}
  .burger{display:flex}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .cards,.adv,.footer__inner{grid-template-columns:1fr}
  .order__form{padding:34px 24px 40px}
  .order__form label{margin-bottom:20px;font-size:.9rem}
  .order__form input{padding:15px 14px}
  .hero h1{font-size:1.9rem;letter-spacing:0}
  .hero__h1-red{white-space:nowrap}
  .topbar__note{font-size:.8rem;text-align:center}
  .fab__text{display:none}
  .fab{right:16px;bottom:16px;gap:14px}
  .fab__btn{width:64px;height:64px;padding:0;justify-content:center}
  .fab__ico svg{width:28px;height:28px}
  .fab__options a{font-size:1.02rem;padding:14px 22px}
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}