:root {
  --blue: #0b3d91;
  --dark: #0a2a5e;
  --red: #d7263d;
  --light: #f4f6fb;
  --txt: #1b2433;
  --mut: #5a6a85;
  --line: #dbe3f0;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--txt);
  background: #fff;
  overflow-x: hidden;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--red); }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 16px; }

/* Доступность: Skip to content */
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 10px;
  top: 10px;
  background: #fff;
  color: var(--dark);
  padding: 10px 16px;
  font-weight: 700;
  z-index: 999;
  border: 2px solid var(--red);
  border-radius: 6px;
}

/* Шапка */
.hdr { background: var(--dark); color: #fff; position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 10px rgba(0,0,0,0.15); }
.hdr-in { display: flex; align-items: center; gap: 16px; padding: 12px 16px; }
.logo { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.logo img { border-radius: 8px; background: #fff; }
.logo b { display: block; font-size: 1.15rem; line-height: 1.1; }
.logo small { color: #cdd8ee; font-size: 0.75rem; display: block; }
.nav { display: flex; gap: 14px; margin-left: auto; }
.nav a { color: #fff; text-decoration: none; font-weight: 600; padding: 8px 6px; border-radius: 6px; transition: background 0.2s; }
.nav a:hover { background: rgba(255,255,255,0.12); color: #fff; }
.hdr-act { display: flex; gap: 10px; align-items: center; margin-left: 10px; }

/* Кнопки */
.hbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 18px;
  min-height: 48px;
  font-size: 0.95rem;
  transition: opacity 0.2s, transform 0.1s;
}
.hbtn:active { transform: scale(0.98); }
.hbtn.lead { background: var(--red); color: #fff; }
.hbtn.lead:hover { opacity: 0.92; color: #fff; }
.hbtn.wa { background: #fff; color: var(--dark); }
.hbtn.wa:hover { background: #f0f4fc; }
.hbtn.big { width: 100%; font-size: 1.05rem; padding: 14px 20px; }

.burger {
  display: none;
  background: none;
  border: 0;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  min-width: 48px;
  min-height: 48px;
  cursor: pointer;
}
.burger span { display: block; width: 26px; height: 3px; background: #fff; border-radius: 2px; }

/* Hero */
.hero { background: var(--dark) url(/assets/images/fon-hero-block.webp) center/cover no-repeat; color: #fff; }
.hero-in { background-color: rgba(10, 42, 94, 0.92); padding: 50px 16px; border-radius: 0; }
.hero h1 { font-size: 2.2rem; line-height: 1.2; margin: 0 0 16px; font-weight: 800; }
.hero p { color: #dbe6fb; max-width: 720px; font-size: 1.1rem; line-height: 1.6; margin: 0 0 20px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.signs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.sign { background: #fff; color: var(--dark); font-weight: 800; border-radius: 8px; padding: 6px 12px; font-size: 0.85rem; }

/* Хлебные крошки */
.crumbs { background: var(--light); border-bottom: 1px solid var(--line); }
.crumbs ol { max-width: 1140px; margin: 0 auto; padding: 10px 16px; list-style: none; display: flex; gap: 8px; flex-wrap: wrap; font-size: 0.85rem; }
.crumbs li+li:before { content: "›"; margin-right: 8px; color: var(--mut); }
.crumbs a { color: var(--mut); text-decoration: none; }
.crumbs a:hover { color: var(--blue); text-decoration: underline; }
.crumbs span { color: var(--txt); font-weight: 600; }

/* Секции */
.sec { padding: 44px 0; }
.sec h2 { font-size: 1.75rem; color: var(--dark); margin: 0 0 16px; font-weight: 700; }
.sec.alt { background: var(--light); }

/* Сетки */
.grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
.card { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; display: flex; flex-direction: column; transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--light); }
.card-b { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex-grow: 1; }
.card-b h3 { margin: 0; font-size: 1.15rem; line-height: 1.35; }
.card-b h3 a { color: var(--dark); text-decoration: none; }
.card-b h3 a:hover { color: var(--red); }
.card-b p { margin: 0; color: var(--mut); font-size: 0.9rem; line-height: 1.5; }

/* Цены */
.price-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.price { background: #fff; border: 2px solid var(--blue); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; box-shadow: 0 2px 8px rgba(11,61,145,0.06); }
.price b.cat { display: inline-block; background: var(--blue); color: #fff; border-radius: 6px; padding: 4px 10px; font-size: 0.85rem; font-weight: 700; align-self: flex-start; }
.price .sum { font-size: 1.6rem; font-weight: 800; color: var(--red); margin: 10px 0 6px; }
.price p { margin: 0 0 12px; color: var(--mut); font-size: 0.95rem; }
.cbtn.link { display: inline-block; color: var(--blue); font-weight: 700; text-decoration: none; font-size: 0.95rem; }
.cbtn.link:hover { color: var(--red); text-decoration: underline; }

/* Преимущества */
.adv { display: grid; gap: 16px; grid-template-columns: 1fr; }
.adv-item { background-color: var(--dark); color: #fff; border-radius: 12px; padding: 20px; }
.adv-item b { display: block; margin-bottom: 8px; font-size: 1.15rem; color: #fff; }
.adv-item p { margin: 0; color: #d7e2f7; font-size: 0.95rem; }

/* Текстовый контент (статьи) */
.rt { overflow-x: hidden; overflow-wrap: break-word; font-size: 1.05rem; line-height: 1.7; }
.rt h2 { color: var(--dark); font-size: 1.5rem; margin: 36px 0 14px; font-weight: 700; border-bottom: 2px solid var(--line); padding-bottom: 8px; }
.rt h3 { font-size: 1.25rem; color: var(--txt); margin: 26px 0 10px; font-weight: 600; }
.rt p { margin: 0 0 18px; }
.rt ul, .rt ol { margin: 0 0 20px; padding-left: 24px; }
.rt li { margin-bottom: 8px; }
.rt blockquote { margin: 24px 0; padding: 16px 20px; background: var(--light); border-left: 4px solid var(--red); border-radius: 0 8px 8px 0; font-style: normal; }
.rt blockquote p { margin: 0; color: var(--dark); font-weight: 500; }
.art-meta-top { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; font-size: 0.9rem; color: var(--mut); }
.art-badge { background: #e8f0fe; color: var(--blue); padding: 4px 10px; border-radius: 6px; font-weight: 600; }
.art-author a { color: var(--dark); font-weight: 600; text-decoration: none; }
.art-author a:hover { text-decoration: underline; }
.art-img-wrap { margin: 20px 0; border-radius: 12px; overflow: hidden; }

/* Таблицы */
.table-wrap { overflow-x: auto; margin: 20px 0; }
.rt table { width: 100%; border-collapse: collapse; min-width: 480px; }
.rt th { background: var(--dark); color: #fff; padding: 12px; text-align: left; font-size: 0.95rem; }
.rt td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; font-size: 0.95rem; }
.rt tr:nth-child(even) { background: #fafbfc; }

/* Кнопки контактов */
.contact-row { display: flex; gap: 12px; flex-wrap: wrap; }
.cbtn { flex: 1 1 200px; text-align: center; text-decoration: none; font-weight: 700; border-radius: 10px; padding: 14px 16px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; }
.cbtn.wa { background: #0e7a3d; color: #fff; }
.cbtn.wa:hover { background: #0c6834; }
.cbtn.mx { background: var(--blue); color: #fff; }
.cbtn.mx:hover { background: #093278; }
.cbtn.tg { background: #229ed9; color: #fff; }
.cbtn.tg:hover { background: #1b8ec3; }
.cbtn.vk { background: #0077ff; color: #fff; }
.cbtn.vk:hover { background: #0066dc; }

/* Футер */
.ftr { background: var(--dark); color: #dbe6fb; margin-top: 40px; }
.ftr-grid { display: grid; gap: 24px; grid-template-columns: 1fr; padding: 40px 16px 24px; }
.ftr-col b { display: block; margin-bottom: 12px; color: #fff; font-size: 1.1rem; }
.ftr-col a { display: block; color: #cdd8ee; text-decoration: none; padding: 5px 0; font-size: 0.9rem; }
.ftr-col a:hover { color: #fff; text-decoration: underline; }
.ftr-col p { font-size: 0.9rem; line-height: 1.6; margin: 0 0 12px; }
.ftr-badge { display: inline-block; background: rgba(255,255,255,0.1); padding: 6px 10px; border-radius: 6px; }
.ftr-bot { border-top: 1px solid rgba(255,255,255,0.15); padding: 16px; font-size: 0.85rem; color: #aebdd8; }

/* Модальное окно */
.modal { position: fixed; inset: 0; display: none; z-index: 100; }
.modal.open { display: block; }
.modal-bg { position: absolute; inset: 0; background: rgba(5,15,35,0.75); backdrop-filter: blur(2px); }
.modal-box { position: relative; background: #fff; border-radius: 14px; max-width: 460px; margin: 6vh auto; padding: 26px; width: calc(100% - 32px); box-shadow: 0 12px 36px rgba(0,0,0,0.3); }
.modal-box h2 { margin: 0 0 10px; color: var(--dark); font-size: 1.4rem; }
.modal-box p { margin: 0 0 16px; color: var(--mut); font-size: 0.9rem; }
.modal-x { position: absolute; top: 12px; right: 14px; border: 0; background: none; font-size: 32px; cursor: pointer; min-width: 48px; min-height: 48px; color: var(--mut); line-height: 1; }
.modal-box label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 0.9rem; }
.modal-box input, .modal-box select { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 8px; margin-top: 4px; font-size: 1rem; font-family: inherit; transition: border-color 0.2s, box-shadow 0.2s; }
.modal-box input:focus, .modal-box select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,61,145,0.15); }
.modal-box input.is-invalid, .modal-box select.is-invalid { border-color: var(--red); background-color: #fff8f8; }
.field-err { color: var(--red); font-size: 0.8rem; margin-top: 4px; display: none; font-weight: 600; }
.field-err.is-visible { display: block; }
.modal-box small { display: block; margin-top: 12px; font-size: 0.8rem; color: var(--mut); line-height: 1.4; }
.form-alert { padding: 14px 16px; border-radius: 8px; font-size: 0.95rem; margin-bottom: 16px; line-height: 1.5; }
.form-alert--success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.form-alert--error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
button:disabled { opacity: 0.7; cursor: not-allowed !important; }


/* Медиазапросы */
@media (max-width: 768px) {
  .hdr-in { flex-wrap: wrap; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark); flex-direction: column; padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.1); box-shadow: 0 8px 16px rgba(0,0,0,0.2); }
  .nav.open { display: flex; }
  .burger { display: flex; }
  .hdr-act { margin-left: auto; }
  .hero h1 { font-size: 1.6rem; }
  .hero-cta, .contact-row { flex-direction: column; }
}

@media (min-width: 480px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .adv { grid-template-columns: repeat(2, 1fr); }
  .ftr-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .price-grid { grid-template-columns: repeat(3, 1fr); }
  .adv { grid-template-columns: repeat(4, 1fr); }
  .hero h1 { font-size: 2.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}