/* ttcom.info — light B2B theme */
:root {
  --bg: #f0f4f8;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --text: #1a2b4a;
  --text-muted: #5a6b82;
  --primary: #e85d04;
  --primary-dark: #c44d00;
  --accent: #1e5a9e;
  --accent-light: #2d6fb8;
  --border: #dde4ed;
  --shadow: 0 8px 32px rgba(26, 43, 74, 0.08);
  --radius: 12px;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-light);
}

img {
  max-width: 100%;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(26, 43, 74, 0.06);
}

.header-hours {
  background: #fff7ed;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.header-hours-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  padding: 8px 0;
}

.header-hours-inner span:last-child {
  color: var(--accent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.logo {
  display: flex;
  flex-direction: column;
  color: var(--text);
}

.logo-mark {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.logo-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 1.1rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.main-nav a,
.nav-link {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.main-nav a:hover,
.nav-link:hover {
  color: var(--primary);
}

.header-phone {
  white-space: nowrap;
}

.has-dropdown {
  position: relative;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  padding-top: 8px;
  background: transparent;
  border: none;
  box-shadow: none;
  z-index: 60;
}

.dropdown-menu {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 260px;
}

.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown {
  display: block;
}

.dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
}

.dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--primary);
}

.nav-close {
  display: none;
}

.nav-mobile-head {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 12px;
  padding: 14px 22px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #f97316);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #ea580c);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm {
  padding: 10px 16px;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

.hero {
  padding: 48px 0 56px;
  background:
    linear-gradient(135deg, #eef4fb 0%, #f8fafc 50%, #fff7ed 100%);
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.hero-badges {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  display: grid;
  gap: 10px;
}

.hero-badges li {
  padding: 12px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero-badges strong {
  color: var(--text);
}

.hero-calc {
  position: sticky;
  top: 96px;
}

.hero-order-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}

.quick-order-form {
  display: grid;
  gap: 10px;
}

.quick-order-title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 1.05rem;
}

.quick-order-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.quick-order-success {
  margin: 0;
  color: #15803d;
  font-weight: 600;
}

.quick-order-error,
.calc-error {
  margin: 10px 0 0;
  color: #b91c1c;
  font-size: 0.88rem;
  line-height: 1.45;
}

.btn-text {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 8px 0 0;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-text:hover {
  color: #5eead4;
}

.cta-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cta-banner-copy h2 {
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
}

.cta-banner-copy p {
  margin: 0;
  color: var(--text-muted);
  max-width: 52ch;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cta-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.cta-form-wrap .quick-order-form {
  max-width: 360px;
}

.doc-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.doc-list li {
  margin-bottom: 8px;
}

.order-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  visibility: hidden;
  pointer-events: none;
}

.order-modal.open {
  display: block;
  visibility: visible;
  pointer-events: auto;
}

.order-dialog .quick-order-title {
  display: none;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.page-hero {
  padding: 32px 0 24px;
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.page-hero-inner {
  max-width: 780px;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  margin: 12px 0 14px;
}

.page-hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 60ch;
  margin: 0;
}

.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero h1,
.content h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 12px 0 16px;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 58ch;
}

.hero-list {
  padding-left: 18px;
  color: var(--text-muted);
}

.hero-list strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-card,
.feature-card,
.card,
.contact-card,
.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
}

.hero-card h2 {
  margin-top: 0;
}

.hero-card-note {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 0;
}

.breadcrumbs-wrap {
  padding: 14px 0 0;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  opacity: 0.5;
}

.content-section {
  padding: 20px 0;
}

.content-box,
.interlink-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.content-box h2,
.interlink-box h2 {
  margin-top: 0;
  font-size: 1.45rem;
}

.section-lead {
  color: var(--text-muted);
  margin-top: 0;
}

.section-note {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 0;
}

.link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.city-link,
.product-link,
.doc-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.92rem;
}

.city-link:hover,
.product-link:hover,
.doc-link:hover {
  border-color: rgba(45, 212, 191, 0.4);
  color: var(--accent);
}

.interlink {
  padding: 16px 0;
}

.spec-dual {
  margin-top: 8px;
}

.spec-desktop {
  display: block;
}

.spec-mobile {
  display: none;
}

.spec-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.95rem;
}

.spec-table-wide {
  table-layout: fixed;
}

.spec-table-wide thead th {
  background: rgba(255, 138, 42, 0.12);
  color: var(--text);
  font-weight: 700;
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.spec-table-wide thead th:nth-child(1) {
  width: 13%;
  border-radius: 12px 0 0 0;
}

.spec-table-wide thead th:nth-child(2) { width: 16%; }
.spec-table-wide thead th:nth-child(3) { width: 46%; }
.spec-table-wide thead th:nth-child(4) {
  width: 25%;
  border-radius: 0 12px 0 0;
}

.spec-table-wide tbody th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-weight: 700;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.spec-table-wide tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  line-height: 1.45;
  vertical-align: top;
}

.spec-table-wide tbody tr:hover td,
.spec-table-wide tbody tr:hover th {
  background: rgba(45, 212, 191, 0.04);
}

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

.spec-table-kv tbody th {
  width: 38%;
  color: var(--text-muted);
  font-weight: 600;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.spec-table-kv tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}

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

.spec-cards {
  display: grid;
  gap: 12px;
}

.spec-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
}

.spec-card-title {
  margin: 0 0 12px;
  font-size: 1.1rem;
  color: var(--primary);
}

.spec-kv-grid {
  display: grid;
  gap: 10px;
}

.spec-kv {
  display: grid;
  grid-template-columns: minmax(0, 42%) 1fr;
  gap: 10px 16px;
  align-items: start;
}

.spec-kv-label {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.spec-kv-value {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.45;
}

.spec-card-compact {
  padding: 14px 16px;
}

.spec-kv-inline {
  grid-template-columns: 1fr;
  gap: 4px;
}

.info-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.info-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.info-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.14);
}

.info-card--application {
  border-left: 3px solid var(--accent);
}

.info-card--delivery {
  border-left: 3px solid var(--primary);
}

.info-card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  position: relative;
  background: rgba(255, 255, 255, 0.06);
}

.info-card--application .info-card-icon {
  background: rgba(45, 212, 191, 0.12);
}

.info-card--delivery .info-card-icon {
  background: rgba(255, 138, 42, 0.12);
}

.info-card-num {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.04em;
}

.info-card--application .info-card-num {
  color: var(--accent);
}

.info-card--delivery .info-card-num {
  color: var(--primary);
}

.info-card-text {
  margin: 0;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.5;
  padding-top: 2px;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.usp-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.usp-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.usp-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.doc-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.partners-grid.partners-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  align-items: center;
}

.partner-logo {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
}

.partner-logo img {
  max-height: 42px;
  width: auto;
  object-fit: contain;
}

.partner-logo-fallback {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}

.partner-logo-fallback span {
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  line-height: 1.2;
}

.depot-list {
  columns: 2;
  column-gap: 28px;
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.depot-list li {
  break-inside: avoid;
  margin-bottom: 6px;
}

.faq-list details {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  color: var(--text-muted);
  margin-bottom: 0;
}

.catalog,
.features,
.cta-inline {
  padding: 36px 0;
}

.catalog h2,
.interlink h2,
.faq h2 {
  font-size: 1.7rem;
  margin-bottom: 20px;
}

.section-sub {
  margin-top: 28px;
  color: var(--text-muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.cards-sm {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card {
  padding: 22px;
  color: var(--text);
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 138, 42, 0.35);
}

.card-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 138, 42, 0.15);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 999px;
}

.card h3 {
  margin: 0 0 8px;
}

.card p {
  color: var(--text-muted);
  margin: 0 0 16px;
}

.card-price {
  display: inline-block;
  font-weight: 800;
  color: var(--accent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 22px;
}

.feature-card h3 {
  margin-top: 0;
}

.city-grid,
.product-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.city-link,
.product-link {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.city-link:hover,
.product-link:hover {
  border-color: rgba(45, 212, 191, 0.4);
  color: var(--accent);
}

.cta-inline .cta-box {
  padding: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

body.nav-open,
body.modal-open {
  overflow: hidden;
}

/* Quiz modal */
.quiz-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  visibility: hidden;
  pointer-events: none;
}

.quiz-modal.open {
  display: block;
  visibility: visible;
  pointer-events: auto;
}

.quiz-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 18, 0.72);
}

.quiz-dialog {
  position: relative;
  width: min(520px, calc(100% - 24px));
  margin: 4vh auto;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  max-height: 92vh;
  overflow: auto;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 12px;
}

.content {
  padding: 36px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.prose p,
.prose li {
  color: var(--text-muted);
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin: 24px 0;
}

.contact-card {
  padding: 22px;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  background: #1a2b4a;
  padding: 40px 0 20px;
  color: #c8d4e3;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 24px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}

.footer-desc {
  color: #9fb0c9;
}

.site-footer h3 {
  margin-top: 0;
  font-size: 1rem;
  color: #fff;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 8px;
}

.site-footer a {
  color: #9fb0c9;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 12px;
}

.quiz-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.quiz-body {
  padding: 28px 24px 24px;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
}

.quiz-kicker {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.quiz-lead {
  color: var(--text-muted);
}

.quiz-progress {
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.quiz-progress .bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  margin-top: 8px;
  overflow: hidden;
}

.quiz-progress .bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.option-btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 12px;
  padding: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.option-btn.selected {
  border-color: rgba(255, 138, 42, 0.6);
  background: rgba(255, 138, 42, 0.12);
  color: #ffd9b0;
}

.field-label {
  display: block;
  margin: 12px 0 6px;
  font-weight: 600;
}

.field-input {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
}

select.field-input,
#quiz-city {
  color: var(--text);
  background-color: var(--bg-soft);
  appearance: auto;
}

select.field-input option,
#quiz-city option {
  background: #fff;
  color: var(--text);
}

.field-note {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.quiz-nav {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.quiz-nav .btn-primary {
  margin-left: auto;
}

.quiz-success {
  text-align: center;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent);
  font-size: 1.8rem;
  font-weight: 800;
}

.success-phone {
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .hero-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-box,
  .cta-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-banner-actions {
    flex-direction: column;
  }

  .cta-banner-actions .btn {
    width: 100%;
  }

  .depot-list {
    columns: 1;
  }

  .partners-grid.partners-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 12px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .partners-grid.partners-carousel .partner-logo {
    flex: 0 0 140px;
    scroll-snap-align: start;
  }

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

  .nav-mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }

  .nav-mobile-title {
    font-weight: 700;
    font-size: 1.1rem;
  }

  .nav-close {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    flex-shrink: 0;
  }

  .main-nav {
    display: none;
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    padding: 20px;
    overflow-y: auto;
    z-index: 110;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav .header-phone,
  .main-nav .js-open-order {
    width: 100%;
    text-align: center;
    margin-top: 8px;
  }

  .has-dropdown:hover .dropdown {
    display: none;
  }

  .has-dropdown.open .dropdown {
    display: block;
    position: static;
    padding-top: 0;
    margin-top: 8px;
  }

  .dropdown-menu {
    box-shadow: none;
    min-width: 0;
  }

  .dropdown-menu a {
    padding: 12px 14px;
  }

  .spec-desktop {
    display: none;
  }

  .spec-mobile {
    display: block;
  }

  .info-cards-grid {
    grid-template-columns: 1fr;
  }

  .spec-kv {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .hero-split-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-calc {
    position: static;
  }

  .calc-fields-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .segments-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Calculator widget */
.calc-widget {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.calc-widget-header {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  padding: 20px 24px;
}

.calc-widget-header h2 {
  margin: 0 0 4px;
  font-size: 1.25rem;
}

.calc-widget-note {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.9;
}

.calc-form {
  padding: 20px 24px 24px;
}

.calc-fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-field span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.calc-field-full {
  grid-column: 1 / -1;
}

.calc-volume-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.calc-unit {
  width: 64px;
  min-width: 64px;
}

.calc-radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.calc-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
}

.calc-result {
  background: #f0f7ff;
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 16px;
  text-align: center;
}

.calc-result-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.calc-result-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin: 4px 0 8px;
}

.calc-result-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.calc-note,
.calc-success {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

.calc-success {
  color: #15803d;
  font-weight: 600;
}

/* Steps section */
.steps-section,
.principles-section,
.segments-section {
  padding: 48px 0;
}

.steps-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-section h2,
.principles-section h2,
.segments-section h2 {
  font-size: 1.7rem;
  margin: 0 0 8px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.step-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
}

.step-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 12px;
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.principle-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.principle-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 8px;
}

.principle-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.principle-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

/* Segments */
.segments-section {
  background: var(--bg);
}

.segments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.segment-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  padding: 20px;
}

.segment-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.segment-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Product cards */
.card-product {
  display: flex;
  flex-direction: column;
}

.card-cta {
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
}

.card-product:hover .card-cta {
  color: var(--primary);
}

.card-price {
  font-size: 1.1rem;
}

/* Light theme component fixes */
.dropdown-menu a:hover {
  background: #f0f4f8;
}

.city-link,
.product-link,
.doc-link {
  background: var(--bg-soft);
}

.city-link:hover,
.product-link:hover {
  border-color: var(--accent);
}

.info-card,
.usp-card,
.spec-card,
.faq-list details,
.option-btn {
  background: #f8fafc;
}

.info-card:hover {
  border-color: var(--border);
}

.partner-logo-fallback {
  background: #f0f4f8;
}

.spec-table-wide thead th {
  background: #eef4fb;
}

.spec-table-wide tbody th {
  background: #f8fafc;
}

.spec-table-wide tbody tr:hover td,
.spec-table-wide tbody tr:hover th {
  background: #f0f7ff;
}

.info-card--application .info-card-icon {
  background: rgba(30, 90, 158, 0.1);
}

.info-card--delivery .info-card-icon {
  background: rgba(232, 93, 4, 0.1);
}

.info-card--application .info-card-num {
  color: var(--accent);
}

.option-btn.selected {
  border-color: var(--primary);
  background: #fff7ed;
  color: var(--primary-dark);
}

.quiz-backdrop {
  background: rgba(26, 43, 74, 0.5);
}

.quiz-progress .bar {
  background: var(--border);
}

.btn-text {
  color: var(--accent);
}

.btn-text:hover {
  color: var(--accent-light);
}

.form-sent-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: #15803d;
  color: #fff;
  text-align: center;
  padding: 14px 20px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
  .steps-grid,
  .segments-grid {
    grid-template-columns: 1fr;
  }
}