/* ==========================================================================
   РекторБланк (vuzodoc.click) — Авторская таблица стилей с чистого листа
   Архитектура: Bento-мозаика, чистая модульная сетка, 0 overflow-x костылей
   ========================================================================== */

/* === CUSTOM REFERENCE DESIGN START === */
:root {
  /* Обязательные дизайн-токены живого референса из build_spec.json */
  --ref-hero-bg: #ffe9ef;
  --ref-card-bg: #ffe9ef;
  --ref-card-radius: 16px;
  --ref-btn-radius: 8px;
  --ref-accent-1: #ff0f4f;

  /* Рабочая палитра поверхностей и акцентов (контраст WCAG AA/AAA) */
  --canvas: #f3f3f6;
  --surface: #ffffff;
  --surface-soft: #f8f9fc;
  --surface-warm: #fff9e4;
  --surface-indigo: #eef0ff;
  --surface-mint: #e6f9f0;
  --surface-dark: #171821;
  --surface-dark-2: #222432;

  --ink: #18181b;
  --ink-body: #2a2a2e;
  --ink-muted: #52525b;
  --ink-on-dark: #f4f4f8;
  --ink-muted-dark: #c4c6d4;

  --primary: #18181b;
  --accent: #4938e8;
  --accent-hover: #3b2bc9;
  --accent-2: #ffd53b;
  --accent-2-hover: #f6c719;
  --accent-3: #0d7a52;

  --border-subtle: rgba(24, 24, 27, 0.1);
  --border-strong: rgba(24, 24, 27, 0.22);
  --radius-card: 16px;
  --radius-hero: 24px;
  --radius-btn-sm: 10px;
  --radius-pill: 30px;

  --shadow-header: 0 4px 18px rgba(15, 18, 28, 0.06);
  --shadow-card: 0 10px 28px rgba(15, 18, 28, 0.05);
  --shadow-elevated: 0 20px 46px rgba(15, 18, 28, 0.11);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.rb-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.25;
  background: var(--surface-warm);
  color: var(--ink);
  border: 1px solid rgba(24, 24, 27, 0.12);
}

.rb-pill-badge--mint {
  background: var(--surface-mint);
  color: #064e3b;
  border-color: rgba(6, 78, 59, 0.16);
}

.rb-pill-badge--indigo {
  background: var(--surface-indigo);
  color: #291d99;
  border-color: rgba(73, 56, 232, 0.2);
}
/* === CUSTOM REFERENCE DESIGN END === */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--canvas);
  color: var(--ink-body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.65em;
  color: #000000;
  font-weight: 700;
  letter-spacing: -0.025em;
  overflow-wrap: break-word;
}

p {
  margin: 0 0 1rem;
  overflow-wrap: break-word;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

.rb-shell {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 640px) {
  .rb-shell {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ==========================================================================
   Кнопки в стилистике референса (солнечно-жёлтая капсула, графит, контур)
   ========================================================================== */
.rb-btn-sun,
.rb-btn-dark,
.rb-btn-outline,
.rb-btn-indigo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.25;
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.rb-btn-sun {
  background-color: var(--accent-2);
  color: #18181b;
  border: 1px solid #ecc01c;
}

.rb-btn-sun:hover {
  background-color: var(--accent-2-hover);
  transform: translateY(-1px);
}

.rb-btn-dark {
  background-color: #2a2a2e;
  color: #ffffff;
  border: 1px solid #2a2a2e;
}

.rb-btn-dark:hover {
  background-color: #18181b;
  color: #ffffff;
}

.rb-btn-indigo {
  background-color: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

.rb-btn-indigo:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
}

.rb-btn-outline {
  background-color: #ffffff;
  color: #18181b;
  border: 1px solid rgba(42, 42, 46, 0.34);
}

.rb-btn-outline:hover {
  border-color: #18181b;
  background-color: var(--surface-soft);
}

/* ==========================================================================
   Шапка сайта (Sticky Header + компактный переход в бургер <= 1180px)
   ========================================================================== */
.rb-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-header);
  min-height: 68px;
  height: auto;
}

.rb-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 11px;
  padding-bottom: 11px;
}

.rb-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-logo-png {
  width: 174px;
  height: 42px;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}

.rb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.rb-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border-radius: var(--radius-btn-sm);
  border: 1px solid rgba(42, 42, 46, 0.18);
  background-color: #ffffff;
  color: #18181b;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.rb-nav a:hover {
  background-color: var(--canvas);
  border-color: #18181b;
}

.rb-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.rb-header-cta {
  padding: 9px 18px;
  min-height: 42px;
  border-radius: var(--radius-btn-sm);
  background-color: #2a2a2e;
  color: #ffffff;
  border: 1px solid #2a2a2e;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
}

.rb-header-cta:hover {
  background-color: #111114;
}

.burger-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(42, 42, 46, 0.22);
  background-color: #ffffff;
  color: #18181b;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

@media (max-width: 1180px) {
  .rb-nav {
    display: none;
  }
  .burger-btn {
    display: inline-flex;
  }
}

@media (max-width: 520px) {
  .rb-header-cta {
    display: none;
  }
  .brand-logo-png {
    width: 152px;
    height: 38px;
  }
}

/* Мобильное выдвижное меню */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 140;
  background-color: rgba(15, 18, 28, 0.56);
  display: none;
  justify-content: flex-end;
}

.mobile-nav[aria-hidden="false"] {
  display: flex;
}

.rb-drawer-panel {
  width: min(340px, 90vw);
  min-height: 100%;
  background-color: #ffffff;
  padding: 20px 18px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: -12px 0 36px rgba(0, 0, 0, 0.18);
  overflow-y: auto;
}

.rb-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--canvas);
  color: #18181b;
  font-size: 1.25rem;
  cursor: pointer;
}

.rb-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rb-drawer-links a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  background-color: var(--canvas);
  color: #18181b;
  font-weight: 600;
  font-size: 0.96rem;
}

/* ==========================================================================
   Общие отступы секций и заголовки экранов
   ========================================================================== */
.rb-section {
  padding-top: 68px;
  padding-bottom: 68px;
  background-color: var(--canvas);
}

.rb-section--white {
  background-color: #ffffff;
  border-top: 1px solid rgba(24, 24, 27, 0.06);
  border-bottom: 1px solid rgba(24, 24, 27, 0.06);
}

.rb-section--dark {
  background-color: var(--surface-dark);
  color: var(--ink-on-dark);
}

.rb-section--dark h2,
.rb-section--dark h3 {
  color: #ffffff;
}

.rb-head-block {
  max-width: 820px;
  margin-bottom: 34px;
}

.rb-head-block h2 {
  font-size: clamp(1.75rem, 3.1vw, 2.75rem);
  line-height: 1.12;
  margin-top: 12px;
  margin-bottom: 12px;
}

.rb-head-lead {
  font-size: 1.05rem;
  color: var(--ink-muted);
}

.rb-section--dark .rb-head-lead {
  color: var(--ink-muted-dark);
}

@media (max-width: 768px) {
  .rb-section {
    padding-top: 46px;
    padding-bottom: 46px;
  }
}

/* ==========================================================================
   СЕКЦИЯ 1: HERO — 3-колоночная Bento-мозаика (bento-3col-showcase)
   ========================================================================== */
.rb-hero {
  padding-top: 34px;
  padding-bottom: 56px;
  background-color: var(--canvas);
  background-image:
    radial-gradient(circle at 50% 48%, transparent 260px, rgba(24, 24, 27, 0.05) 261px, transparent 262px),
    radial-gradient(circle at 50% 48%, transparent 430px, rgba(24, 24, 27, 0.04) 431px, transparent 432px);
}

.rb-hero-bento {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr) minmax(0, 0.84fr);
  gap: 20px;
  align-items: stretch;
}

.rb-hero-col-main {
  min-width: 0;
  max-width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-card);
}

.rb-hero-col-main h1 {
  font-size: clamp(1.75rem, 2.65vw, 2.55rem);
  line-height: 1.12;
  margin-top: 14px;
  margin-bottom: 14px;
  color: #000000;
}

.rb-hero-lead {
  font-size: 1rem;
  color: var(--ink-body);
  line-height: 1.58;
}

.rb-hero-reg-note {
  padding: 12px 15px;
  border-radius: 14px;
  background-color: var(--surface-indigo);
  border-left: 4px solid var(--accent);
  color: #1e1b4b;
  font-size: 0.92rem;
  font-weight: 500;
}

.rb-hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.rb-hero-col-visual {
  min-width: 0;
  max-width: 100%;
  background-color: var(--surface-dark);
  color: #ffffff;
  border-radius: var(--radius-hero);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.rb-hero-photo-frame {
  flex: 1 1 auto;
  display: flex;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background-color: #101118;
}

.rb-hero-photo-frame img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
}

.rb-hero-visual-caption {
  background-color: var(--surface-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 16px;
}

.rb-hero-visual-title {
  font-weight: 700;
  font-size: 1.02rem;
  color: #ffffff;
  margin-bottom: 6px;
}

.rb-hero-visual-sub {
  font-size: 0.88rem;
  color: var(--ink-muted-dark);
  margin: 0;
}

.rb-hero-col-stack {
  min-width: 0;
  max-width: 100%;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: 14px;
}

.rb-hero-metric-card {
  min-width: 0;
  max-width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--shadow-card);
}

.rb-hero-metric-card--sun {
  background-color: var(--surface-warm);
  border-color: rgba(236, 192, 28, 0.45);
}

.rb-hero-metric-card--indigo {
  background-color: var(--surface-indigo);
  border-color: rgba(73, 56, 232, 0.22);
}

.rb-metric-num {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #000000;
  line-height: 1.1;
}

.rb-metric-txt {
  font-size: 0.88rem;
  color: var(--ink-body);
  margin: 0;
}

@media (max-width: 1120px) {
  .rb-hero-bento {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
  .rb-hero-col-main {
    grid-column: 1 / -1;
  }
  .rb-hero-col-stack {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .rb-hero-bento {
    grid-template-columns: minmax(0, 1fr);
  }
  .rb-hero-col-main {
    padding: 22px 18px;
  }
  .rb-hero-col-stack {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
  }
}

/* ==========================================================================
   СЕКЦИЯ 2: КАТАЛОГ БЛАНКОВ (табы + 3-колоночная сетка <= 660px + 2 цены)
   ========================================================================== */
.rb-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.rb-filter-bar .tab {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(42, 42, 46, 0.2);
  background-color: var(--canvas);
  color: #18181b;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: background-color 0.16s ease, border-color 0.16s ease;
}

.rb-filter-bar .tab[aria-selected="true"],
.rb-filter-bar .tab.is-active {
  background-color: var(--accent-2);
  border-color: #d4a90a;
  color: #000000;
}

.rb-filter-bar .tab[aria-selected="true"]::after,
.rb-filter-bar .tab.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  border-bottom: 2px solid #18181b;
}

@media (max-width: 768px) {
  .rb-filter-bar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .rb-filter-bar .tab {
    padding: 9px 10px;
    font-size: 0.82rem;
    text-align: center;
  }
  .rb-filter-bar .tab:first-child {
    grid-column: 1 / -1;
  }
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

@media (max-width: 1023px) {
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .catalog-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.rb-cat-card {
  min-width: 0;
  max-width: 100%;
  background-color: var(--canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  height: 100%;
}

.rb-cat-card[hidden] {
  display: none !important;
}

.rb-cat-top,
.rb-cat-bottom {
  display: block;
}

.rb-cat-body {
  display: block;
  margin-top: 12px;
}

.rb-cat-media {
  margin: 0;
  display: block;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background-color: #ffffff;
  border: 1px solid rgba(24, 24, 27, 0.08);
  cursor: zoom-in;
}

.rb-cat-media img {
  width: 100%;
  height: 196px;
  object-fit: cover;
}

.rb-zoom-tag {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 4px 10px;
  border-radius: 20px;
  background-color: rgba(24, 24, 27, 0.84);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
}

.rb-cat-era {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: #291d99;
  background-color: var(--surface-indigo);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 6px;
}

.rb-cat-title {
  display: block;
  font-size: 1.08rem;
  font-weight: 700;
  color: #000000;
  line-height: 1.28;
  margin-bottom: 6px;
}

.rb-cat-desc {
  font-size: 0.875rem;
  color: var(--ink-muted);
  margin: 0;
}

.rb-dual-price {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.rb-price-cell {
  display: block;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background-color: #ffffff;
  border: 1px solid rgba(24, 24, 27, 0.08);
}

.rb-price-cell--goznak {
  background-color: var(--surface-warm);
  border-color: rgba(236, 192, 28, 0.55);
}

.rb-price-lbl {
  display: block;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: 2px;
}

.rb-price-cell--goznak .rb-price-lbl {
  color: #3f3000;
}

.rb-price-val {
  display: block;
  font-size: 1.02rem;
  font-weight: 800;
  color: #000000;
}

/* ==========================================================================
   СЕКЦИЯ 3: ИНТЕРАКТИВНЫЙ КАЛЬКУЛЯТОР СТОИМОСТИ (#calculator-block)
   ========================================================================== */
.rb-calc-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.95fr);
  gap: 24px;
  align-items: stretch;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  padding: 30px;
  box-shadow: var(--shadow-card);
}

.rb-calc-controls {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rb-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.rb-field-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: #18181b;
}

.rb-select,
.rb-input {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid rgba(42, 42, 46, 0.26);
  background-color: var(--surface-soft);
  color: #18181b;
  font-weight: 500;
}

.rb-select:focus,
.rb-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  background-color: #ffffff;
}

.rb-calc-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
}

.rb-check-tile {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background-color: var(--canvas);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: #18181b;
}

.rb-check-tile input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.rb-calc-summary {
  min-width: 0;
  background-color: var(--surface-dark);
  color: #ffffff;
  border-radius: 20px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.rb-calc-total-lbl {
  font-size: 0.86rem;
  color: var(--ink-muted-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.calc-total-price {
  font-size: clamp(2.1rem, 3.5vw, 2.85rem);
  font-weight: 800;
  color: var(--accent-2);
  line-height: 1.08;
  margin-top: 6px;
}

.rb-calc-perks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.9rem;
  color: #e4e4ec;
}

.rb-calc-perks li {
  padding-left: 18px;
  position: relative;
}

.rb-calc-perks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-2);
}

@media (max-width: 960px) {
  .rb-calc-wrap {
    grid-template-columns: minmax(0, 1fr);
    padding: 20px 16px;
  }
  .rb-calc-checks {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   СЕКЦИЯ 4: ЛАБОРАТОРИЯ ЗАЩИТЫ ГОЗНАК (top-uv-stage-bottom-4col-cards)
   ========================================================================== */
.rb-uv-stage {
  background-color: var(--surface-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-hero);
  padding: 24px;
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.rb-uv-viewport {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background-color: #0d0e14;
}

.rb-uv-viewport img {
  width: 100%;
  height: 310px;
  object-fit: cover;
}

.rb-uv-img-night {
  display: none;
}

.rb-uv-stage[data-light-mode="uv"] .rb-uv-img-day {
  display: none;
}

.rb-uv-stage[data-light-mode="uv"] .rb-uv-img-night {
  display: block;
}

.rb-uv-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rb-uv-switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  border-radius: var(--radius-pill);
  background-color: #12131b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  align-self: flex-start;
}

.rb-uv-btn {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: transparent;
  color: #e4e4ec;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.rb-uv-btn.is-active {
  background-color: var(--accent-2);
  color: #18181b;
  border-color: var(--accent-2);
}

.rb-uv-readout-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.rb-uv-readout-text {
  font-size: 0.95rem;
  color: #d4d6e4;
}

.rb-sec-4grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.rb-sec-card {
  min-width: 0;
  max-width: 100%;
  background-color: var(--surface-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  padding: 20px 18px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.rb-sec-card.active {
  border-color: var(--accent-2);
  background-color: #292c3e;
}

.rb-sec-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rb-sec-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: #ffffff;
}

.rb-sec-desc {
  font-size: 0.87rem;
  color: var(--ink-muted-dark);
  margin: 0;
}

@media (max-width: 1080px) {
  .rb-uv-stage {
    grid-template-columns: minmax(0, 1fr);
  }
  .rb-sec-4grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .rb-uv-stage {
    padding: 16px;
  }
  .rb-uv-viewport img {
    height: 220px;
  }
  .rb-sec-4grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   СЕКЦИЯ 5: СВОДНАЯ ПРАЙС-ТАБЛИЦА (@container responsive-table)
   ========================================================================== */
.rb-table-region {
  max-inline-size: 100%;
  container-type: inline-size;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 8px;
  box-shadow: var(--shadow-card);
}

.rb-price-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  --col-2: "Период выпуска";
  --col-3: "Типографский бланк";
  --col-4: "Оригинал ГОЗНАК";
  --col-5: "Готовность";
}

.rb-price-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
}

.rb-price-table thead th {
  background-color: var(--canvas);
  color: #18181b;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.rb-price-table thead th:first-child {
  border-top-left-radius: 12px;
}

.rb-price-table thead th:last-child {
  border-top-right-radius: 12px;
}

.rb-price-table tbody th,
.rb-price-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(24, 24, 27, 0.07);
  font-size: 0.93rem;
  color: var(--ink-body);
  text-align: left;
  overflow-wrap: break-word;
}

.rb-price-table tbody th {
  font-weight: 700;
  color: #000000;
  background-color: #ffffff;
}

.rb-price-table tbody tr:last-child th,
.rb-price-table tbody tr:last-child td {
  border-bottom: none;
}

.rb-td-goznak {
  font-weight: 800;
  color: #18181b !important;
}

@container (width < 680px) {
  .rb-price-table,
  .rb-price-table thead,
  .rb-price-table tbody,
  .rb-price-table tr,
  .rb-price-table th,
  .rb-price-table td {
    display: block;
  }

  .rb-price-table thead {
    display: none;
  }

  .rb-price-table tbody tr {
    margin-bottom: 12px;
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 8px 12px;
    background-color: var(--surface-soft);
  }

  .rb-price-table tbody th {
    background-color: transparent;
    padding: 8px 4px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 1rem;
  }

  .rb-price-table tbody td {
    padding: 7px 4px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
  }

  .rb-price-table tbody td:nth-child(2)::before {
    content: var(--col-2) ": ";
    font-weight: 600;
    color: var(--ink-muted);
  }
  .rb-price-table tbody td:nth-child(3)::before {
    content: var(--col-3) ": ";
    font-weight: 600;
    color: var(--ink-muted);
  }
  .rb-price-table tbody td:nth-child(4)::before {
    content: var(--col-4) ": ";
    font-weight: 600;
    color: var(--ink-muted);
  }
  .rb-price-table tbody td:nth-child(5)::before {
    content: var(--col-5) ": ";
    font-weight: 600;
    color: var(--ink-muted);
  }
}

/* ==========================================================================
   СЕКЦИЯ 6: ВУЗЫ И СПЕЦИАЛЬНОСТИ (top-campus-banner-bottom-3col-matrix)
   ========================================================================== */
.rb-campus-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  background-color: var(--canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  padding: 22px;
  margin-bottom: 22px;
}

.rb-campus-photo {
  border-radius: 16px;
  overflow: hidden;
}

.rb-campus-photo img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.rb-campus-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rb-uni-4grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
  align-items: stretch;
}

.rb-uni-card {
  min-width: 0;
  max-width: 100%;
  background-color: var(--canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.rb-uni-tag {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rb-uni-title {
  font-size: 1.03rem;
  font-weight: 700;
  color: #000000;
}

.rb-spec-3grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.rb-spec-box {
  min-width: 0;
  background-color: var(--surface-indigo);
  border: 1px solid rgba(73, 56, 232, 0.16);
  border-radius: var(--radius-card);
  padding: 18px 20px;
}

.rb-spec-title {
  font-weight: 700;
  color: #18181b;
  margin-bottom: 6px;
}

@media (max-width: 1080px) {
  .rb-campus-banner {
    grid-template-columns: minmax(0, 1fr);
  }
  .rb-uni-4grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .rb-spec-3grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 600px) {
  .rb-uni-4grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   СЕКЦИЯ 7: 4 ЖИЗНЕННЫХ СЦЕНАРИЯ (4-col-compact-icon-cards)
   ========================================================================== */
.rb-scenarios-4grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.rb-scenario-card {
  min-width: 0;
  max-width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-card);
}

.rb-scenario-idx {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background-color: var(--accent-2);
  color: #18181b;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
}

.rb-scenario-title {
  font-size: 1.04rem;
  font-weight: 700;
  color: #000000;
}

@media (max-width: 1060px) {
  .rb-scenarios-4grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .rb-scenarios-4grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   СЕКЦИЯ 8: КЕЙСЫ КЛИЕНТОВ (3-col-horizontal-dossier-cards, 0 <img>!)
   ========================================================================== */
.rb-cases-3grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.rb-case-card {
  min-width: 0;
  max-width: 100%;
  background-color: var(--canvas);
  border: 1px solid var(--border-subtle);
  border-top: 5px solid var(--accent);
  border-radius: var(--radius-card);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.rb-case-card:nth-child(2) {
  border-top-color: #d9a404;
}

.rb-case-card:nth-child(3) {
  border-top-color: var(--accent-3);
}

.rb-case-title {
  font-size: 1.06rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 8px;
}

.rb-case-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.83rem;
}

.rb-case-meta div {
  background-color: #ffffff;
  padding: 8px 10px;
  border-radius: 10px;
}

.rb-case-meta span {
  display: block;
  color: var(--ink-muted);
  font-size: 0.74rem;
}

.rb-case-meta strong {
  color: #18181b;
}

@media (max-width: 980px) {
  .rb-cases-3grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   СЕКЦИЯ 9: ЭТАПЫ ОФОРМЛЕНИЯ И ДОСТАВКИ КУРЬЕРОМ
   ========================================================================== */
.rb-process-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
  align-items: stretch;
}

.rb-step-card {
  min-width: 0;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rb-step-badge {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 20px;
  background-color: var(--surface-indigo);
  color: #291d99;
  font-size: 0.78rem;
  font-weight: 700;
}

.rb-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: #000000;
}

.rb-delivery-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.rb-delivery-card {
  min-width: 0;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rb-delivery-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 14px;
}

.rb-delivery-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #000000;
}

@media (max-width: 1120px) {
  .rb-process-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .rb-process-steps,
  .rb-delivery-showcase {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   СЕКЦИЯ 10: FAQ И ФИНАЛЬНАЯ ОНЛАЙН-ЗАЯВКА
   ========================================================================== */
.rb-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
  gap: 26px;
  align-items: start;
}

.rb-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.ak-faq-item {
  background-color: var(--canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 0;
}

.ak-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 1rem;
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.ak-faq-item summary::-webkit-details-marker {
  display: none;
}

.ak-faq-item summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.ak-faq-item[open] summary::after {
  content: "−";
  background-color: var(--accent-2);
  border-color: #d4a90a;
}

.rb-faq-body {
  padding: 0 20px 18px;
  color: var(--ink-body);
  font-size: 0.94rem;
}

.rb-inline-cta-card {
  min-width: 0;
  background-color: var(--surface-dark);
  color: #ffffff;
  border-radius: var(--radius-hero);
  padding: 26px 24px;
}

.rb-inline-cta-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.rb-inline-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.rb-inline-form .rb-input {
  background-color: #ffffff;
}

.rb-form-status {
  font-size: 0.88rem;
  font-weight: 600;
  min-height: 1.2em;
  color: var(--accent-2);
}

@media (max-width: 980px) {
  .rb-faq-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   ПОДВАЛ САЙТА (Footer + отступ под мобильную нижнюю панель)
   ========================================================================== */
.rb-footer {
  background-color: var(--surface-dark);
  color: var(--ink-muted-dark);
  padding-top: 52px;
  padding-bottom: 48px;
}

.rb-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr));
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.rb-footer-logo {
  width: 176px;
  height: 44px;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 12px;
}

.rb-footer-col-title {
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  font-size: 0.96rem;
}

.rb-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rb-footer-links a {
  color: var(--ink-muted-dark);
  font-size: 0.9rem;
}

.rb-footer-links a:hover {
  color: #ffffff;
}

.rb-footer-bottom {
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.84rem;
}

@media (max-width: 820px) {
  .rb-footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Нижняя мобильная панель конверсии */
.rb-mobile-dock {
  display: none;
}

@media (max-width: 768px) {
  .rb-footer {
    padding-bottom: 118px;
  }
  .rb-mobile-dock {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 88;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background-color: #ffffff;
    border-top: 1px solid var(--border-subtle);
    box-shadow: 0 -6px 24px rgba(15, 18, 28, 0.08);
  }
  .rb-mobile-dock button,
  .rb-mobile-dock a {
    min-height: 44px;
    padding: 9px 12px;
    font-size: 0.86rem;
  }
}

/* ==========================================================================
   МОДАЛЬНЫЕ ОКНА (<dialog id="leadModal"> и <dialog id="zoomDialog">)
   ========================================================================== */
dialog.rb-dialog {
  border: 1px solid var(--border-subtle);
  border-radius: 22px;
  padding: 0;
  width: min(500px, calc(100vw - 24px));
  max-height: calc(100dvh - 28px);
  background-color: #ffffff;
  color: var(--ink-body);
  box-shadow: var(--shadow-elevated);
}

dialog.rb-dialog--zoom {
  width: min(840px, calc(100vw - 24px));
  background-color: #171821;
  color: #ffffff;
}

dialog.rb-dialog::backdrop {
  background-color: rgba(15, 18, 28, 0.62);
  backdrop-filter: blur(3px);
}

.rb-dialog-inner {
  padding: 26px 24px;
}

.rb-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.rb-dialog-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #000000;
}

.rb-dialog--zoom .rb-dialog-title {
  color: #ffffff;
  font-size: 1.05rem;
}

.modal-close {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background-color: var(--canvas);
  color: #18181b;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.rb-modal-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.rb-modal-tab {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background-color: var(--canvas);
  color: #18181b;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
}

.rb-modal-tab.is-active {
  background-color: var(--accent-2);
  border-color: #d4a90a;
  color: #000000;
}

.rb-modal-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rb-zoom-img-wrap {
  border-radius: 14px;
  overflow: hidden;
  background-color: #ffffff;
}

.rb-zoom-img-wrap img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  margin-inline: auto;
}