/* Содействие — light blue / white / black */

:root {
  --ob-primary: #2b6cb0;
  --ob-primary-dark: #1d4ed8;
  --ob-primary-soft: #ebf4ff;
  --ob-primary-mid: #bfdbfe;
  --ob-ink: #0f172a;
  --ob-muted: #64748b;
  --ob-line: #e2e8f0;
  --ob-surface: #ffffff;
  --ob-bg: #f8fbff;
  --ob-success: #059669;
  --ob-radius: 12px;
  --ob-radius-sm: 8px;
  --ob-shadow: none;
  --ob-container: 1120px;
  --ob-font-display: "Manrope", system-ui, sans-serif;
  --ob-font-body: "Source Sans 3", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--ob-font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ob-ink);
  background: var(--ob-bg);
}

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

a {
  color: var(--ob-primary-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ob-primary);
}

h1, h2, h3, h4 {
  font-family: var(--ob-font-display);
  line-height: 1.2;
  margin: 0 0 0.6em;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1em;
}

.ob-container {
  width: min(100% - 2rem, var(--ob-container));
  margin-inline: auto;
}

.ob-skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ob-ink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.ob-skip:focus {
  left: 0;
}

.ob-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header */
.ob-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--ob-line);
  backdrop-filter: blur(8px);
}

.ob-header__top {
  background: var(--ob-primary-soft);
  border-bottom: 1px solid var(--ob-primary-mid);
  font-size: 0.875rem;
  color: var(--ob-muted);
}

.ob-header__top-inner,
.ob-header__main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ob-header__top-inner {
  padding: 0.4rem 0;
  flex-wrap: wrap;
}

.ob-header__contacts {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.ob-header__contacts a {
  color: var(--ob-ink);
  text-decoration: none;
}

.ob-header__main-inner {
  padding: 0.85rem 0;
  gap: 1.25rem;
}

.ob-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ob-ink);
  flex-shrink: 0;
}

.ob-logo__mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--ob-primary) 0%, var(--ob-primary-dark) 100%);
  position: relative;
}

.ob-logo__mark::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid #fff;
  border-radius: 4px;
}

.ob-logo__text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ob-logo__text strong {
  font-family: var(--ob-font-display);
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.ob-logo__text small {
  color: var(--ob-muted);
  font-size: 0.72rem;
  max-width: 12rem;
  line-height: 1.25;
}

.ob-nav__list {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ob-nav__list a {
  color: var(--ob-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.ob-nav__list a:hover {
  color: var(--ob-primary);
}

.ob-header__cta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ob-phone {
  font-weight: 700;
  color: var(--ob-ink);
  text-decoration: none;
  white-space: nowrap;
}

.ob-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius-sm);
  background: #fff;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.ob-nav-toggle span:not(.ob-sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ob-ink);
}

.ob-mobile-nav {
  border-top: 1px solid var(--ob-line);
  background: #fff;
  padding: 1rem;
}

.ob-mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.ob-mobile-nav a {
  color: var(--ob-ink);
  text-decoration: none;
  font-weight: 600;
}

/* Buttons */
.ob-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--ob-radius-sm);
  padding: 0.65rem 1.1rem;
  font-family: var(--ob-font-display);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.ob-btn:hover {
  transform: translateY(-1px);
}

.ob-btn--primary {
  background: var(--ob-primary-dark);
  color: #fff;
}

.ob-btn--primary:hover {
  background: var(--ob-primary);
  color: #fff;
}

.ob-btn--ghost {
  background: #fff;
  border-color: var(--ob-primary-mid);
  color: var(--ob-primary-dark);
}

.ob-btn--ghost:hover {
  background: var(--ob-primary-soft);
  color: var(--ob-primary-dark);
}

.ob-btn--lg {
  padding: 0.9rem 1.4rem;
  font-size: 1rem;
}

.ob-link {
  font-weight: 700;
  text-decoration: none;
  color: var(--ob-primary-dark);
}

/* Hero */
.ob-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, var(--ob-primary-soft) 100%);
}

.ob-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(43, 108, 176, 0.18), transparent 60%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(29, 78, 216, 0.08), transparent 55%);
  pointer-events: none;
}

.ob-hero__inner,
.ob-hero--compact .ob-container {
  position: relative;
}

.ob-eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--ob-primary-mid);
  color: var(--ob-primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ob-hero__title,
.ob-hero h1 {
  font-size: clamp(2rem, 5vw, 3.35rem);
  max-width: 16ch;
  margin-bottom: 0.5rem;
  color: var(--ob-ink);
}

.ob-hero__lead {
  max-width: 38rem;
  font-size: 1.15rem;
  color: var(--ob-muted);
  margin-bottom: 1.5rem;
}

.ob-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ob-rating {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ob-ink);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.ob-rating__score {
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ob-primary-dark);
}

.ob-rating__stars {
  color: #ca8a04;
  letter-spacing: 1px;
}

.ob-hero__pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.ob-hero__pills li {
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.25rem;
}

.ob-hero__pills strong {
  font-family: var(--ob-font-display);
  font-size: 1rem;
}

.ob-hero__pills span {
  color: var(--ob-muted);
  font-size: 0.9rem;
}

.ob-hero--compact {
  padding-block: 2.25rem;
}

/* Sections */
.ob-section {
  padding: clamp(2.75rem, 5vw, 4.5rem) 0;
}

.ob-section--soft {
  background: #fff;
  border-block: 1px solid var(--ob-line);
}

.ob-section__head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2rem;
}

.ob-section__head--left {
  text-align: left;
  margin-inline: 0;
}

.ob-section__head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.ob-section__head p {
  color: var(--ob-muted);
  margin: 0;
}

.ob-segments {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.ob-segment {
  display: grid;
  gap: 0.35rem;
  padding: 1.35rem 1.4rem;
  border-radius: var(--ob-radius);
  background: #fff;
  border: 1px solid var(--ob-line);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.ob-segment:hover {
  border-color: var(--ob-primary);
  background: var(--ob-primary-soft);
  color: inherit;
}

.ob-segment__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ob-primary);
}

.ob-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.ob-card {
  background: var(--ob-surface);
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
  padding: 1.25rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ob-card h3,
.ob-card h2 {
  font-size: 1.1rem;
  margin: 0;
}

.ob-card h3 a,
.ob-card h2 a {
  color: inherit;
  text-decoration: none;
}

.ob-card h3 a:hover,
.ob-card h2 a:hover {
  color: var(--ob-primary);
}

.ob-card p {
  color: var(--ob-muted);
  margin: 0;
  flex-grow: 1;
  font-size: 0.95rem;
}

.ob-card__price {
  margin: 0.25rem 0 !important;
  color: var(--ob-primary-dark) !important;
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: 1.05rem !important;
}

.ob-card__price--lg {
  font-size: 1.5rem !important;
}

.ob-price-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
  background: #fff;
}

.ob-price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}

.ob-price-table th,
.ob-price-table td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--ob-line);
}

.ob-price-table th {
  background: var(--ob-primary-soft);
  font-family: var(--ob-font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ob-muted);
}

.ob-price-table tr:last-child td {
  border-bottom: 0;
}

.ob-price-table a {
  color: var(--ob-ink);
  text-decoration: none;
  font-weight: 600;
}

.ob-price-table a:hover {
  color: var(--ob-primary);
}

/* Calculator */
.ob-calc-layout,
.ob-faq-layout,
.ob-service-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.ob-calc {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
}

.ob-calc label {
  display: grid;
  gap: 0.4rem;
}

.ob-calc select,
.ob-calc input[type="range"] {
  width: 100%;
}

.ob-calc select {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius-sm);
  font: inherit;
  background: #fff;
}

.ob-calc__result {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 0.75rem;
  border-top: 1px solid var(--ob-line);
}

.ob-calc__result strong {
  font-family: var(--ob-font-display);
  font-size: 1.75rem;
  color: var(--ob-primary-dark);
}

.ob-calc-form,
.ob-faq-form,
.ob-aside-card {
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
  padding: 1.4rem;
}

.ob-aside-card h2 {
  font-size: 1.25rem;
}

/* Steps / trust */
.ob-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: step;
}

.ob-steps li {
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
  padding: 1.2rem;
  display: grid;
  gap: 0.35rem;
  counter-increment: step;
  position: relative;
}

.ob-steps li::before {
  content: counter(step);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ob-primary-soft);
  color: var(--ob-primary-dark);
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  margin-bottom: 0.35rem;
}

.ob-steps span {
  color: var(--ob-muted);
  font-size: 0.92rem;
}

.ob-trust {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.ob-trust article {
  padding: 1.35rem;
  border-radius: var(--ob-radius);
  background: var(--ob-primary-soft);
  border: 1px solid var(--ob-primary-mid);
  display: grid;
  gap: 0.4rem;
}

.ob-trust strong {
  font-family: var(--ob-font-display);
  font-size: 1.75rem;
  color: var(--ob-primary-dark);
}

.ob-compare h3 {
  margin-bottom: 1rem;
}

/* FAQ */
.ob-faq {
  display: grid;
  gap: 0.65rem;
}

.ob-faq__item {
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius-sm);
  padding: 0.85rem 1rem;
}

.ob-faq__item summary {
  cursor: pointer;
  font-family: var(--ob-font-display);
  font-weight: 700;
  list-style: none;
}

.ob-faq__item summary::-webkit-details-marker {
  display: none;
}

.ob-faq__item p {
  margin: 0.75rem 0 0;
  color: var(--ob-muted);
}

.ob-cta-band {
  background: var(--ob-ink);
  color: #fff;
  padding: 2.5rem 0;
}

.ob-cta-band__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.ob-cta-band h2 {
  color: #fff;
  margin-bottom: 0.35rem;
}

.ob-cta-band p {
  margin: 0;
  color: #cbd5e1;
}

/* Forms */
.ob-form {
  display: grid;
  gap: 0.85rem;
}

.ob-form__title {
  font-family: var(--ob-font-display);
  font-weight: 700;
  margin: 0;
}

.ob-form__row {
  display: grid;
  gap: 0.35rem;
}

.ob-form__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ob-muted);
}

.ob-form__input,
.ob-form__textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius-sm);
  font: inherit;
  background: #fff;
  color: var(--ob-ink);
}

.ob-form__input:focus,
.ob-form__textarea:focus,
.ob-calc select:focus {
  outline: 2px solid var(--ob-primary-mid);
  border-color: var(--ob-primary);
}

.ob-form__hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.ob-form__consent {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--ob-muted);
}

.ob-form__status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ob-success);
}

.ob-form__status.is-error {
  color: #b91c1c;
}

/* Footer */
.ob-footer {
  background: #fff;
  border-top: 1px solid var(--ob-line);
  padding-top: 3rem;
}

.ob-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.ob-footer__heading {
  font-family: var(--ob-font-display);
  font-weight: 800;
  margin: 0 0 0.85rem;
}

.ob-footer__links,
.ob-footer__contacts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.ob-footer__links a,
.ob-footer__contacts a {
  color: var(--ob-ink);
  text-decoration: none;
}

.ob-footer__brand p {
  color: var(--ob-muted);
  max-width: 26ch;
}

.ob-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 0 1.5rem;
  border-top: 1px solid var(--ob-line);
  font-size: 0.88rem;
  color: var(--ob-muted);
}

.ob-footer__legal {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.ob-footer__legal a {
  color: var(--ob-muted);
}

/* Modal & chat */
.ob-modal[hidden],
.ob-chat-panel[hidden],
.ob-mobile-nav[hidden] {
  display: none !important;
}

.ob-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.ob-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
}

.ob-modal__dialog {
  position: relative;
  width: min(100%, 420px);
  background: #fff;
  border-radius: var(--ob-radius);
  padding: 1.5rem;
  border: 1px solid var(--ob-line);
}

.ob-modal__close {
  position: absolute;
  top: 0.6rem;
  right: 0.75rem;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ob-muted);
}

.ob-chat-launcher {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  background: var(--ob-primary-dark);
  color: #fff;
  font-family: var(--ob-font-display);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(29, 78, 216, 0.25);
}

.ob-chat-panel {
  position: fixed;
  right: 1.25rem;
  bottom: 4.5rem;
  z-index: 70;
  width: min(calc(100vw - 2rem), 360px);
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius);
  padding: 1rem;
  display: grid;
  gap: 0.85rem;
}

.ob-chat-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ob-chat-panel__head button {
  border: 0;
  background: transparent;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--ob-muted);
}

.ob-chat-panel__hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ob-muted);
}

.ob-chat-panel__channels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ob-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--ob-muted);
  margin-bottom: 1rem;
}

.ob-breadcrumbs a {
  color: var(--ob-muted);
  text-decoration: none;
}

.ob-prose {
  max-width: 46rem;
}

.ob-prose .ob-faq__item {
  margin-bottom: 0.65rem;
}

.ob-section__more {
  margin: 1.5rem 0 0;
  text-align: center;
}

.ob-contacts-preview {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.ob-contacts-list {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.ob-contacts-list li {
  margin-bottom: 0.55rem;
}

.ob-map-placeholder {
  min-height: 220px;
  border-radius: var(--ob-radius);
  border: 1px solid var(--ob-primary-mid);
  background: var(--ob-primary-soft);
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--ob-primary-dark);
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: 1.25rem;
  line-height: 1.4;
}

.ob-aside-card__hint {
  color: var(--ob-muted);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

@media (max-width: 960px) {
  .ob-contacts-preview {
    grid-template-columns: 1fr;
  }
}

.ob-prose :where(ul, ol) {
  padding-left: 1.2rem;
}

/* Responsive */
@media (max-width: 960px) {
  .ob-nav {
    display: none;
  }

  .ob-nav-toggle {
    display: inline-flex;
  }

  .ob-header__cta .ob-btn--ghost,
  .ob-header__cta .ob-btn--primary {
    display: none;
  }

  .ob-hero__pills,
  .ob-segments,
  .ob-steps,
  .ob-trust,
  .ob-calc-layout,
  .ob-faq-layout,
  .ob-service-layout,
  .ob-footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ob-header__meta {
    display: none;
  }

  .ob-hero__title,
  .ob-hero h1 {
    max-width: none;
  }
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ob-btn,
  .ob-segment {
    transition: none;
  }
}