:root {
  --ink: #1a1f24;
  --ink-soft: #2a3139;
  --text: #3a4450;
  --muted: #6b7683;
  --accent: #e85d04;
  --accent-dark: #c44d03;
  --accent-soft: #ff8c42;
  --steel: #3d7ea6;
  --bg: #f3f5f7;
  --white: #ffffff;
  --border: #dce2e8;
  --font: "Manrope", system-ui, sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(26, 31, 36, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 31, 36, 0.12);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.section { padding: 92px 0; }
.section--white { background: var(--white); }
.section--ink { background: var(--ink); color: rgba(255,255,255,.72); }
.section__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section--ink .section__tag { color: var(--accent-soft); }
.section__title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 14px;
}
.section--ink .section__title { color: #fff; }
.section__desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 620px;
  line-height: 1.7;
}
.section--ink .section__desc { color: rgba(255,255,255,.55); }
.section__head { margin-bottom: 48px; }
.section__head--center { text-align: center; }
.section__head--center .section__desc { margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  transition: .25s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 93, 4, .35);
}
.btn--primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-soft); }
.btn--outline {
  border: 2px solid rgba(255,255,255,.55);
  color: #fff;
}
.btn--outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--ghost {
  border: 2px solid var(--ink);
  color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--full { width: 100%; }
.btn--lg { padding: 16px 32px; font-size: 16px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--header-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; gap: 16px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 500; color: var(--ink); flex-shrink: 0;
}
.logo__mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), #f48c06);
  color: #fff; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
}
.logo strong { font-weight: 800; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav__link {
  padding: 8px 12px; font-size: 14px; font-weight: 600;
  color: var(--text); border-radius: 8px; transition: .2s;
}
.nav__link:hover { color: var(--accent); background: rgba(232,93,4,.06); }
.nav__cta {
  margin-left: 6px; padding: 10px 18px;
  background: var(--accent); color: #fff !important; border-radius: var(--radius);
}
.nav__cta:hover { background: var(--accent-dark); }
.header__phone {
  font-weight: 700; font-size: 14px; color: var(--ink); white-space: nowrap;
}
.header__phone span { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }
.burger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.burger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(26,31,36,.94) 0%, rgba(26,31,36,.72) 50%, rgba(26,31,36,.45) 100%);
}
.hero__content {
  position: relative; z-index: 1;
  padding: 72px 22px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(232,93,4,.2);
  border: 1px solid rgba(232,93,4,.4);
  border-radius: 100px;
  font-size: 13px; font-weight: 600; color: #ffb380;
  margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(34px, 5.5vw, 56px);
  font-weight: 800; line-height: 1.08;
  color: #fff; margin-bottom: 18px;
}
.hero__title em { font-style: normal; color: var(--accent-soft); }
.hero__subtitle {
  font-size: clamp(16px, 2vw, 18px);
  color: rgba(255,255,255,.72);
  margin-bottom: 28px;
  max-width: 520px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 32px; }
.hero__stats strong { display: block; font-size: 28px; font-weight: 800; color: #fff; line-height: 1; }
.hero__stats span { font-size: 13px; color: rgba(255,255,255,.45); }
.hero__card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(8px);
}
.hero__card-title {
  font-size: 13px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--accent-soft); margin-bottom: 16px;
}
.hero__price {
  font-size: 40px; font-weight: 800; color: #fff; line-height: 1; margin-bottom: 4px;
}
.hero__price span { font-size: 16px; font-weight: 500; color: rgba(255,255,255,.5); }
.hero__price-note { font-size: 13px; color: rgba(255,255,255,.5); margin-bottom: 18px; }
.hero__features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: rgba(255,255,255,.8);
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.08);
}
.hero__features li::before { content: '✓'; color: var(--accent-soft); font-weight: 700; }

/* Trust */
.trust {
  padding: 28px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.trust__item strong { display: block; font-size: 26px; font-weight: 800; color: var(--accent); }
.trust__item span { font-size: 13px; color: var(--muted); }

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about__img img { width: 100%; height: 440px; object-fit: cover; }
.about__list { margin-top: 24px; }
.about__list li {
  display: flex; gap: 14px; margin-bottom: 16px;
}
.about__icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: rgba(232,93,4,.12);
  color: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}
.about__list strong { display: block; font-size: 15px; color: var(--ink); margin-bottom: 2px; }
.about__list p { font-size: 14px; color: var(--muted); margin: 0; }

/* Products */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 22px;
}
.product {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: .25s;
}
.product:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.product__img { height: 190px; overflow: hidden; background: #e8ecf0; }
.product__img img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.product:hover .product__img img { transform: scale(1.04); }
.product__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.product__tag {
  font-size: 11px; font-weight: 800; text-transform: uppercase;
  letter-spacing: .06em; color: var(--steel); margin-bottom: 8px;
}
.product__title { font-size: 20px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.product__desc { font-size: 14px; color: var(--muted); margin-bottom: 14px; flex: 1; }
.product__specs {
  font-size: 13px;
  margin-bottom: 14px;
  padding: 12px;
  background: var(--bg);
  border-radius: 8px;
}
.product__specs li {
  display: flex; justify-content: space-between;
  padding: 4px 0; border-bottom: 1px dashed var(--border);
}
.product__specs li:last-child { border-bottom: none; }
.product__price {
  font-size: 24px; font-weight: 800; color: var(--accent); margin-bottom: 14px;
}
.product__price span { font-size: 14px; font-weight: 500; color: var(--muted); }

/* Benefits */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.benefit {
  padding: 28px;
  background: var(--ink-soft);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.06);
}
.benefit__num { font-size: 13px; font-weight: 800; color: var(--accent-soft); margin-bottom: 12px; }
.benefit__title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.benefit p { font-size: 14px; color: rgba(255,255,255,.5); }

/* Calc */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.calc__result {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
}
.calc__result-title { font-size: 14px; color: rgba(255,255,255,.5); margin-bottom: 8px; }
.calc__result-num { font-size: 42px; font-weight: 800; color: var(--accent-soft); margin-bottom: 4px; }
.calc__result-note { font-size: 13px; color: rgba(255,255,255,.45); margin-bottom: 24px; }
.calc__result-list li {
  display: flex; justify-content: space-between;
  font-size: 14px; padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 15px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  background: var(--bg);
  color: var(--ink);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: #fff;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  text-align: center;
  padding: 28px 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.step__num {
  width: 44px; height: 44px;
  background: var(--accent); color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; margin: 0 auto 14px;
}
.step__title { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--muted); }

/* Delivery */
.delivery__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.delivery__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.delivery__img img { width: 100%; height: 380px; object-fit: cover; }
.delivery__zones { margin-top: 24px; }
.delivery__zones li {
  display: flex; justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.delivery__zones strong { color: var(--accent); }

/* Clients */
.clients__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.client {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: .2s;
}
.client:hover { border-color: var(--accent); }
.client--featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(232,93,4,.05), rgba(61,126,166,.05));
}
.client__name { font-size: 20px; font-weight: 800; color: var(--ink); }
.client__type { font-size: 12px; color: var(--muted); margin-top: 4px; }
.client__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

/* Reviews */
.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.review__stars { color: #f59e0b; margin-bottom: 12px; letter-spacing: 2px; }
.review__text { font-size: 15px; font-style: italic; line-height: 1.7; margin-bottom: 16px; }
.review__author { font-size: 14px; font-weight: 700; color: var(--ink); }
.review__meta { font-size: 12px; color: var(--muted); }

/* FAQ */
.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 1000px;
  margin: 0 auto;
}
.faq__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq__q {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after { content: '+'; color: var(--accent); font-size: 20px; flex-shrink: 0; }
.faq__item[open] .faq__q::after { transform: rotate(45deg); }
.faq__a { padding: 0 22px 18px; font-size: 14px; color: var(--muted); line-height: 1.7; }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  padding: 72px 0;
  text-align: center;
  color: #fff;
}
.cta__title { font-size: clamp(26px, 4vw, 36px); font-weight: 800; margin-bottom: 14px; }
.cta__desc { opacity: .85; max-width: 540px; margin: 0 auto 28px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* Contact */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact__list li { margin-bottom: 20px; }
.contact__label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
  margin-bottom: 3px;
}
.contact__value { font-size: 17px; font-weight: 600; color: var(--ink); }
a.contact__value:hover { color: var(--accent); }
.contact__form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}
.contact__form h3 { font-size: 22px; font-weight: 800; color: var(--ink); margin-bottom: 20px; }
.form-privacy { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }
.form-success {
  margin-top: 14px;
  padding: 12px;
  background: #ecfdf5;
  color: #065f46;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

/* Footer */
.footer {
  background: #11151a;
  color: rgba(255,255,255,.5);
  padding: 48px 0 20px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer .logo { color: #fff; margin-bottom: 12px; }
.footer__desc { font-size: 14px; line-height: 1.7; }
.footer__title {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.footer__links a {
  display: block;
  font-size: 14px;
  padding: 4px 0;
  color: rgba(255,255,255,.5);
  transition: .2s;
}
.footer__links a:hover { color: #fff; }
.footer__bottom {
  padding-top: 20px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  width: 56px;
  height: 56px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232,93,4,.45);
  font-size: 22px;
  transition: .25s;
}
.float-btn:hover { transform: scale(1.08); background: var(--accent-dark); }

@media (max-width: 1024px) {
  .hero__grid, .about__grid, .calc, .delivery__grid, .contact__grid { grid-template-columns: 1fr; }
  .clients__grid, .reviews__grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 14px;
    transform: translateY(-110%); opacity: 0; pointer-events: none;
    transition: .25s; border-bottom: 1px solid var(--border);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav__cta { margin: 8px 0 0; }
  .header__phone { display: none; }
  .burger { display: flex; }
  .products__grid, .clients__grid, .reviews__grid, .faq__grid, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .calc { padding: 24px; }
}