:root {
  --blue: #1652f0;
  --blue-dark: #0b3bc4;
  --max: #7b2ff7;
  --max-dark: #6321d6;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --bg-gray: #f6f8fc;
  --dark: #0f1b33;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(16, 24, 40, .08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  line-height: 1.55;
  background-color: #eef3ff;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .5), rgba(255, 255, 255, .5)),
    url("https://static.iceberg.ru/image/9ef870e5-6590-494c-946d-484635f308f1.jpeg?w=1860&fm=jpg&q=80");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 860px; }

h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; letter-spacing: -.02em; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }

/* КНОПКИ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  cursor: pointer; border: none; transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); box-shadow: 0 8px 20px rgba(22, 82, 240, .3); }
.btn--max { background: var(--max); color: #fff; }
.btn--max:hover { background: var(--max-dark); box-shadow: 0 8px 20px rgba(123, 47, 247, .3); }
.btn--sm { padding: 10px 18px; font-size: .9rem; border-radius: 10px; }
.btn--block { width: 100%; }
.max-ico {
  display: inline-grid; place-items: center; width: 22px; height: 22px;
  background: rgba(255, 255, 255, .25); border-radius: 6px; font-weight: 800; font-size: .85rem;
}

/* ШАПКА */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem; }
.logo__mark { color: var(--blue); font-size: 1.4rem; }
.logo--light { color: #fff; }
.nav { display: flex; gap: 22px; margin-left: 8px; font-weight: 600; font-size: .95rem; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.header__actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.phone { font-weight: 800; font-size: 1.05rem; }
.phone:hover { color: var(--blue); }
.burger { display: none; background: none; border: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.burger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; }

/* HERO */
.hero {
  padding: 56px 0 64px;
  background: linear-gradient(90deg, rgba(255,255,255,.82) 0%, rgba(255,255,255,.55) 45%, rgba(255,255,255,.25) 72%, rgba(255,255,255,.12) 100%);
}
.hero__inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.hero__badge {
  display: inline-block; background: #e0e9ff; color: var(--blue-dark);
  padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: .85rem; margin-bottom: 18px;
}
.hero h1 span { color: var(--blue); }
.hero__list { list-style: none; margin: 22px 0; display: grid; gap: 10px; }
.hero__list li { position: relative; padding-left: 30px; color: #344054; font-weight: 500; }
.hero__list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px;
  background: var(--blue); color: #fff; border-radius: 50%; display: grid; place-items: center; font-size: .7rem; font-weight: 800;
}
.hero__price { font-size: 1.2rem; margin-bottom: 22px; }
.hero__price b { color: var(--blue); font-size: 1.6rem; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__card { background: #fff; border-radius: 20px; padding: 28px; box-shadow: var(--shadow); border: 1px solid var(--line); text-align: center; }
.hero__card h3 { margin-bottom: 4px; }
.hero__card-sub { color: var(--muted); font-size: .92rem; margin-bottom: 18px; }
.hero__card-phone { display: block; font-size: 1.9rem; font-weight: 800; color: var(--ink); margin-bottom: 16px; letter-spacing: -.01em; }
.hero__card-phone:hover { color: var(--blue); }
.hero__card-note { color: var(--muted); font-size: .82rem; margin-top: 14px; }

/* ФОРМА */
.lead-form { display: grid; gap: 12px; }
.lead-form input {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 12px;
  font-family: inherit; font-size: 1rem; transition: border-color .15s;
}
.lead-form input:focus { outline: none; border-color: var(--blue); }
.lead-form__note { font-size: .78rem; color: var(--muted); text-align: center; }

/* СЕКЦИИ */
.section { padding: 68px 0; }
.section--gray { background: rgba(246, 248, 252, .32); }
.section--dark { background: var(--dark); color: #fff; }
.section h2 { text-align: center; }
.section__sub { text-align: center; color: var(--muted); margin-top: 10px; margin-bottom: 40px; font-size: 1.05rem; }

/* КАРТОЧКИ ПОЛОМОК */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: rgba(255, 255, 255, .82); backdrop-filter: blur(4px); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  transition: transform .15s, box-shadow .2s; cursor: pointer;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cdd8f5; }
.card__title { font-weight: 700; font-size: 1.08rem; margin-bottom: 8px; }
.card__sign { color: var(--muted); font-size: .92rem; margin-bottom: 6px; }
.card__cause { font-size: .92rem; }
.card__cause b { color: var(--blue); }

/* ЦЕНЫ */
.prices { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 40px; max-width: 800px; margin: 0 auto; }
.price-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.price-row__name { font-weight: 500; }
.price-row__val { font-weight: 800; color: var(--blue); white-space: nowrap; }
.prices__cta { text-align: center; margin-top: 36px; }

/* ПРЕИМУЩЕСТВА */
.adv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv__item { background: rgba(255, 255, 255, .82); backdrop-filter: blur(4px); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.adv__ico { width: 52px; height: 52px; border-radius: 14px; background: #e0e9ff; color: var(--blue); display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 16px; }
.adv__item h3 { margin-bottom: 8px; }
.adv__item p { color: var(--muted); font-size: .95rem; }

/* ШАГИ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { text-align: center; }
.step__num { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; font-size: 1.4rem; font-weight: 800; }
.step h3 { margin-bottom: 8px; font-size: 1.1rem; }
.step p { color: #b9c2d6; font-size: .92rem; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq__item { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: rgba(255, 255, 255, .82); backdrop-filter: blur(4px); }
.faq__q { width: 100%; text-align: left; background: none; border: none; padding: 20px 22px; font-family: inherit; font-size: 1.05rem; font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; color: var(--ink); }
.faq__q::after { content: "+"; font-size: 1.5rem; color: var(--blue); transition: transform .2s; }
.faq__item.open .faq__q::after { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .25s ease; color: var(--muted); }
.faq__a p { padding: 0 22px 20px; }

/* ЗАЯВКА */
.lead { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 40px; box-shadow: var(--shadow); }
.lead--center { grid-template-columns: 1fr; text-align: center; }
.lead--center .lead__text { display: flex; flex-direction: column; align-items: center; }
.lead__text p { color: var(--muted); margin: 12px 0 22px; }
.lead__phone { font-size: 2.2rem; font-weight: 800; color: var(--ink); margin-bottom: 20px; letter-spacing: -.01em; }
.lead__phone:hover { color: var(--blue); }
.lead__contacts { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* БРЕНДЫ */
.brands { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.brand { padding: 12px 22px; border: 1px solid var(--line); border-radius: 12px; font-weight: 700; color: #344054; background: rgba(255, 255, 255, .82); backdrop-filter: blur(4px); transition: .15s; }
.brand:hover { border-color: var(--blue); color: var(--blue); }

/* ОТЗЫВЫ */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review { background: rgba(255, 255, 255, .82); backdrop-filter: blur(4px); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.review__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.review__name { font-weight: 700; }
.review__rate { color: #f79009; font-weight: 700; font-size: .9rem; }
.review__model { color: var(--muted); font-size: .85rem; margin-bottom: 10px; }
.review__text { font-size: .93rem; color: #344054; }

/* SEO */
.seo h2 { text-align: left; }
.seo h3 { margin: 26px 0 10px; }
.seo p { color: #475467; margin-bottom: 14px; }
.seo ul { margin: 0 0 14px; padding-left: 22px; color: #475467; display: grid; gap: 6px; }

/* ФУТЕР */
.footer { background: var(--dark); color: #c3ccdd; padding: 48px 0 0; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.footer__desc { margin-top: 14px; font-size: .92rem; max-width: 320px; }
.footer__col a { display: block; margin-bottom: 8px; color: #c3ccdd; }
.footer__col a:hover { color: #fff; }
.footer__phone { font-size: 1.3rem; font-weight: 800; color: #fff !important; }
.footer__max { color: #b79bff !important; }
.footer__bottom { margin-top: 40px; border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0; font-size: .82rem; color: #8895ac; }

/* FAB */
.fab { display: none; position: fixed; right: 18px; bottom: 18px; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: var(--blue); color: #fff; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(22, 82, 240, .45); }

/* АДАПТИВ */
@media (max-width: 900px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header__actions .phone { display: none; }
  .hero__inner { grid-template-columns: 1fr; }
  .cards, .adv, .reviews { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .prices { grid-template-columns: 1fr; }
  .lead { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .fab { display: flex; }
}

@media (max-width: 560px) {
  .cards, .adv, .reviews { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__cta .btn, .lead__contacts .btn { flex: 1; }
  .section { padding: 48px 0; }
}