:root {
  --bg: #383838;
  --bg-alt: #2f2f2f;
  --panel: #434343;
  --border: #565656;
  --accent: #f5be6e;
  --accent-strong: #e2a24a;
  --accent-dim: rgba(245, 190, 110, 0.15);
  --gray: #b0b0b0;
  --text: #f7f7f7;
  --text-dim: #c9c9c9;
  --radius: 2px;
  --font: "Golos Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Oswald", "Golos Text", "Segoe UI", Arial, sans-serif;
  --shadow-card: 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.4);
}

/* custom scrollbar, matches gortex.su */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
  background-color: #383838;
}

::-webkit-scrollbar-track {
  background-color: #383838;
}

::-webkit-scrollbar-thumb {
  background-color: #f5be6e;
  border-radius: 10px;
  border: 0 solid #383838;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #f5be6e;
}

@supports (-moz-appearance: none) {

  :root,
  body {
    scrollbar-width: thin;
    scrollbar-color: #f5be6e #383838;
  }
}

* {
  box-sizing: border-box;
}

/* видимый фокус для клавиатурной навигации */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-wrap: balance;
}

/* осознанный масштаб секционных заголовков */
.catalog-head h2,
.how h2,
.faq h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.1;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
}

.header-left {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  min-width: 0;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 65px;
  width: auto;
  display: block;
}

.logo-descriptor {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: none;
  color: #ffffff;
  white-space: nowrap;
  margin-top: -6px;
}

.logo:hover .logo-descriptor span,
.logo:hover .logo-descriptor::after {
  transform: translateY(-100%);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.main-nav a {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* flip-on-hover nav items: current label slides up, accent copy slides in from below */
.nav-flip {
  position: relative;
  display: inline-block;
  overflow: hidden;
  height: 1.25em;
  line-height: 1.25;
  cursor: pointer;
}

.nav-flip span {
  display: block;
  line-height: 1.25;
  transition: transform 0.32s cubic-bezier(0.22, 0.9, 0.3, 1);
}

.nav-flip::after {
  content: attr(data-text);
  position: absolute;
  top: 100%;
  left: 0;
  line-height: 1.25;
  color: var(--accent);
  transition: transform 0.32s cubic-bezier(0.22, 0.9, 0.3, 1);
}

.nav-flip:hover span,
.nav-flip:hover::after {
  transform: translateY(-100%);
}

@media (prefers-reduced-motion: reduce) {

  .nav-flip span,
  .nav-flip::after {
    transition: color 0.15s ease;
    transform: none !important;
  }

  .nav-flip:hover span {
    color: var(--accent);
  }

  .nav-flip::after {
    display: none;
  }
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  line-height: 1.25;
}

.nav-dropdown-toggle .nav-flip {
  color: inherit;
}

.nav-dropdown.is-open .nav-dropdown-toggle {
  color: var(--text);
}

.nav-dropdown-caret {
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.nav-dropdown.is-open .nav-dropdown-caret {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  min-width: 260px;
  padding: 8px 0;
  flex-direction: column;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
}

.nav-dropdown.is-open .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-menu a {
  padding: 10px 20px;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  color: var(--text-dim);
  border-bottom: none;
}

.nav-dropdown-menu a:hover {
  color: var(--accent);
  background: var(--bg-alt);
}



.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  flex: 1;
  justify-content: flex-end;
  min-width: 0;
}

.header-phone-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.header-phone {
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  white-space: nowrap;
}

.header-phone:hover {
  color: var(--accent);
}

.header-callback-link {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font);
  font-size: 0.78rem;
  color: var(--gray);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.header-callback-link:hover {
  color: var(--accent);
}

.footer-callback-link {
  background: none;
  border: none;
  margin: 0;
  padding: 0;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  cursor: pointer;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-callback-link:hover {
  color: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.12s ease, filter 0.12s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  padding: 11px 20px;
  font-size: 0.95rem;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1.05rem;
}

.btn-ghost {
  background: transparent;
  border: 2px solid var(--gray);
  color: var(--text);
  padding: 9px 18px;
  font-size: 0.9rem;
}

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

.btn-text {
  background: none;
  color: var(--accent);
  padding: 6px 0;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 1000px 620px at 80% -20%, rgba(245, 190, 110, 0.13), transparent 55%),
    linear-gradient(180deg, rgba(44, 44, 44, 0.86), rgba(34, 34, 34, 0.95)),
    repeating-linear-gradient(135deg, #3a3a3a 0 2px, #2c2c2c 2px 24px);
  border-bottom: 1px solid var(--border);
  padding: 94px 0;
}

.eyebrow {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  max-width: 860px;
  line-height: 1.08;
  letter-spacing: 0.01em;
}

.hero-lead {
  max-width: 640px;
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 26px;
}

.hero-claims {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
}

.hero-claims li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}

.hero-claims li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  background: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Calculator ---------- */
.calc {
  padding: 76px 0;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 900px 500px at 15% 0%, var(--accent-dim), transparent 60%),
    var(--bg-alt);
}

.calc-inner {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 480px);
  gap: 48px;
  align-items: start;
}

.calc-intro {
  padding-top: 6px;
}

.calc-hook {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.calc-lead {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 420px;
  margin: 0;
}

.calc-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  padding: 28px;
  box-shadow: var(--shadow-hover);
}

.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 22px;
}

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

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

.calc-field label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.calc-field input,
.calc-field select {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 12px;
  font-family: var(--font);
  font-size: 1rem;
  border-radius: var(--radius);
  min-height: 44px;
}

.calc-field input:focus,
.calc-field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.calc-result {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 22px;
  margin: 18px 0;
  background: color-mix(in srgb, var(--accent) 9%, var(--bg-alt));
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.calc-result-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calc-result-item+.calc-result-item {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.calc-result-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calc-result-value {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  text-wrap: balance;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  display: inline-block;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#calc-power {
  font-size: clamp(1.8rem, 5vw, 2.2rem);
}

#calc-price {
  font-size: clamp(1.3rem, 3.6vw, 1.55rem);
}

.calc-result-value.is-updated {
  animation: calc-pulse 0.25s ease-out;
}

@keyframes calc-pulse {
  0% {
    opacity: 0.4;
    transform: translateY(3px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .calc-result-value.is-updated {
    animation: none;
  }
}

.calc-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.calc-disclaimer {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin: 0;
}

@media (max-width: 860px) {
  .calc-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .calc-form {
    grid-template-columns: 1fr;
  }

  .calc-field:first-child {
    grid-column: auto;
  }
}

/* ---------- FAQ (JS-аккордеон с плавным раскрытием) ---------- */
.faq {
  padding: 70px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 26px;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  transition: border-color 0.2s ease;
}

.faq-item.is-open {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  color: var(--text);
  font-weight: 700;
  font-size: 0.98rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
}

/* иконка +, поворачивается в × */
.faq-ic {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-ic::before,
.faq-ic::after {
  content: "";
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
}

.faq-ic::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.faq-ic::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.faq-item.is-open .faq-ic {
  transform: rotate(135deg);
}

.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-item.is-open .faq-a {
  grid-template-rows: 1fr;
}

.faq-a-inner {
  overflow: hidden;
}

.faq-a-inner p {
  color: var(--text-dim);
  margin: 0;
  padding: 0 20px 20px;
  font-size: 0.92rem;
  line-height: 1.6;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.faq-item.is-open .faq-a-inner p {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .faq-a {
    transition: none;
  }

  .faq-ic {
    transition: none;
  }

  .faq-a-inner p {
    transition: none;
  }
}

/* ---------- Catalog head ---------- */
.catalog {
  padding: 64px 0 90px;
}

.catalog-head {
  margin-bottom: 30px;
}

.catalog-head p {
  color: var(--text-dim);
  margin: 0;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.crumb {
  background: none;
  border: none;
  color: var(--gray);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  padding: 6px 2px;
}

.crumb.is-active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

.crumb.is-done {
  color: var(--text);
}

.crumb.is-disabled {
  color: #6b6b6b;
  cursor: default;
  pointer-events: none;
}

.crumb-sep {
  color: var(--border);
}

.step-title {
  font-size: 1.2rem;
  margin-bottom: 22px;
}

/* ---------- Единая система карточек мастера (шаги 1–2) ---------- */
/* Симметричная центрированная раскладка: ровные ряды по 3, неполный ряд — по центру */
.fuel-grid,
.type-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.choice-card,
.type-card {
  flex: 1 1 280px;
  max-width: 340px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-family: var(--font);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.choice-card:hover,
.type-card:not(.is-empty):hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--card-accent) 60%, var(--border));
}

/* цветной медиа-блок = заглушка под будущее фото/рендер */
.card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: #2a2a2a;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-image:
    radial-gradient(120% 130% at 82% 8%, rgba(255, 255, 255, 0.16), transparent 55%),
    linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent2, var(--card-accent)) 62%, #101010));
}

.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(0, 0, 0, 0.30));
}

/* фото МКУ (mku-16.9.png) подготовлено строго в 16:9 —
   cover укладывает его в рамку впритык, как и остальные типы */

/* когда фото задано через инлайн background-image, показываем его поверх градиента */
.card-media[style*="url("],
.product-card-media[style*="url("],
.pd-media[style*="url("] {
  background-blend-mode: normal;
}


/* тело карточки */
.card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px 20px;
  flex: 1;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.card-sub {
  color: var(--gray);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-note {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.45;
}

.card-cta {
  margin-top: auto;
  padding-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--card-accent);
}

.card-cta-arrow {
  display: inline-block;
  transition: transform 0.18s ease;
}

.choice-card:hover .card-cta-arrow,
.type-card:hover .card-cta-arrow {
  transform: translateX(4px);
}

/* пустое состояние: нет моделей на этом топливе — но действующее */
.type-card.is-empty {
  cursor: default;
}

.card-media.is-empty {
  background: linear-gradient(135deg, #4c4c4c, #333);
}

.type-card.is-empty .card-note {
  color: var(--gray);
}

.btn-sm {
  margin-top: 12px;
  align-self: flex-start;
  padding: 9px 16px;
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {

  .choice-card:hover,
  .type-card:hover {
    transform: none;
  }

  .card-cta-arrow {
    transition: none;
  }

  .choice-card:hover .card-cta-arrow,
  .type-card:hover .card-cta-arrow {
    transform: none;
  }
}

/* ---------- Step 3: results ---------- */
.results-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 26px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius);
}

.filter-chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.filter-chip:hover:not(.is-active) {
  border-color: var(--accent);
  color: var(--text);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 22px;
}

.product-card {
  background: var(--panel);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--card-accent) 60%, var(--border));
}

.product-card-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background-color: #2a2a2a;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-image:
    radial-gradient(120% 140% at 82% 8%, rgba(255, 255, 255, 0.16), transparent 55%),
    linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 62%, #101010));
}

.product-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.30));
}

/* фото типов (кроме "Котельного модуля") подготовлены строго в 21:9 —
   cover укладывает их в рамку впритык, без чёрных полос и обрезки */

.product-card-power-badge {
  position: absolute;
  z-index: 1;
  bottom: 10px;
  left: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: #fff;
  background: rgba(0, 0, 0, 0.42);
  padding: 4px 10px;
  border-radius: var(--radius);
  backdrop-filter: blur(2px);
}

.product-card-body {
  padding: 18px 18px 6px;
  flex: 1;
}

.product-card-title {
  margin: 0 0 12px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: none;
  letter-spacing: 0;
}

.product-card-media {
  text-decoration: none;
}

.product-card-title a {
  color: inherit;
  text-decoration: none;
}

.product-card:hover .product-card-title a {
  color: var(--card-accent, var(--accent));
}

.product-card-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.product-card-specs li {
  color: var(--text-dim);
  font-size: 0.85rem;
  padding-left: 14px;
  position: relative;
}

.product-card-specs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--accent);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 20px;
}

.product-card-price {
  font-weight: 800;
  font-size: 0.95rem;
}

.results-empty {
  border: 1px dashed var(--border);
  padding: 40px;
  text-align: center;
  color: var(--text-dim);
}

.results-empty p {
  margin: 0 0 18px;
}

/* ---------- How ---------- */
.how {
  background: var(--bg-alt);
  padding: 70px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.how-list li {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.how-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.how-text {
  color: var(--text-dim);
}

/* ---------- Footer ---------- */
.site-footer {
  padding-top: 56px;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 44px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-note {
  color: var(--text-dim);
  max-width: 320px;
  margin: 0;
  font-size: 0.9rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray);
  margin: 0 0 4px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.footer-bottom-inner {
  padding: 20px 24px;
}

.footer-bottom-inner p {
  color: var(--gray);
  font-size: 0.78rem;
  line-height: 1.6;
  margin: 0 0 6px;
}

.footer-cookie {
  margin-bottom: 0 !important;
}

@media (max-width: 860px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

/* ---------- Страница модели ---------- */
.product-page {
  padding: 34px 0 90px;
}

.pd-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 30px;
}

.pd-crumbs a {
  color: var(--text-dim);
  text-decoration: none;
}

.pd-crumbs a:hover {
  color: var(--card-accent, var(--accent));
}

.pd-crumbs-cur {
  color: var(--card-accent, var(--accent));
  font-weight: 600;
}

.pd-hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: stretch;
  margin-bottom: 52px;
}

.pd-media {
  position: relative;
  min-height: 320px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background-color: #2a2a2a;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-image:
    radial-gradient(120% 130% at 82% 8%, rgba(255, 255, 255, 0.16), transparent 55%),
    linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent2, var(--card-accent)) 62%, #101010));
}

.pd-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.30));
}

.pd-media-badge {
  position: absolute;
  z-index: 1;
  left: 16px;
  bottom: 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.42);
  padding: 6px 14px;
  border-radius: var(--radius);
  backdrop-filter: blur(2px);
}

.pd-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.pd-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pd-badge {
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--card-accent) 55%, var(--border));
  padding: 5px 11px;
  border-radius: var(--radius);
}

.pd-title {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: clamp(1.8rem, 4.2vw, 3rem);
  line-height: 1.05;
  margin: 0;
}

.pd-sub {
  color: var(--text-dim);
  margin: 0;
  font-size: 1rem;
}

.pd-facts {
  display: flex;
  gap: 40px;
  margin: 10px 0 6px;
}

.pd-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pd-fact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.pd-fact-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--card-accent, var(--accent));
  font-variant-numeric: tabular-nums;
}

.pd-info .btn-lg {
  align-self: flex-start;
}

.pd-section {
  margin-bottom: 44px;
}

.pd-h2 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 18px;
}

.pd-desc {
  color: var(--text-dim);
  max-width: 78ch;
  line-height: 1.75;
  margin: 0;
}

.pd-cols {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 44px;
}

.pd-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.pd-specs-table th,
.pd-specs-table td {
  text-align: left;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  vertical-align: top;
}

.pd-specs-table th {
  color: var(--text-dim);
  font-weight: 600;
  width: 52%;
}

.pd-specs-table td {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.pd-equipment {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pd-equipment li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dim);
  line-height: 1.5;
}

.pd-equipment li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--card-accent, var(--accent));
}

.pd-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 8px;
  padding: 30px 34px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--card-accent, var(--accent));
}

.pd-cta-text {
  max-width: 62ch;
}

.pd-cta-text p {
  color: var(--text-dim);
  margin: 8px 0 0;
}

.pd-cta .pd-h2 {
  margin-bottom: 0;
}

.pd-notfound {
  text-align: center;
  padding: 90px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.pd-notfound p {
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0;
}

@media (max-width: 800px) {
  .pd-hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pd-media {
    min-height: 220px;
    aspect-ratio: 16 / 9;
  }

  .pd-cols {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- Modal ---------- */
.modal {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 28px;
  width: min(420px, 90vw);
  border-radius: var(--radius);
}

.modal::backdrop {
  background: rgba(10, 8, 5, 0.7);
}

.calc-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.hero-actions .btn,
.calc-buttons .btn {
  border-radius: 8px !important;
  font-size: 1.02rem;
  font-weight: 700;
  min-height: 54px;
  letter-spacing: 0.02em;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.12s ease;
  cursor: none !important;
  border: none;
}

.hero-actions .btn {
  padding: 15px 30px;
  min-width: 200px;
}

.calc-buttons .btn {
  flex: 1 1 200px;
}

.hero-actions .btn:active,
.calc-buttons .btn:active {
  transform: scale(0.98);
}

#cta-hero-catalog,
#calc-cta {
  background-color: #f5be6e !important;
  color: #383838 !important;
}

#cta-hero-request,
#calc-advanced {
  background-color: #383838 !important;
  color: #f5be6e !important;
  border: 1px solid var(--border) !important;
}

#custom-cursorbotton-open,
#custom-cursorbotton-open-invers {
  width: 60px;
  height: 34px;
  position: fixed;
  pointer-events: none;
  opacity: 0;
  transform: scale(0);
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 9999;
  top: 0;
  left: 0;
  background: no-repeat center / contain;
  will-change: transform, opacity, left, top;
}

.modal-xl {
  width: min(1120px, 95vw);
  max-width: 95vw;
  height: 85vh;
  max-height: 85vh;
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.modal-xl-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: inherit;
}

.modal-xl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-xl-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text);
}

.modal-xl-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.12s ease;
  padding: 0 4px;
}

.modal-xl-close:hover {
  color: var(--accent);
}

.modal-xl-body {
  flex: 1;
  overflow: hidden;
  background: #F1ECE4;
  /* matches background: var(--paper) of calculator */
}

.modal-xl-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-form h3 {
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.modal-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.modal-form input,
.modal-form textarea {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  font-family: var(--font);
  border-radius: var(--radius);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent);
  color: var(--bg);
  padding: 14px 20px;
  font-weight: 600;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 50;
}

/* ---------- Мобильная шапка / бургер ---------- */
.nav-toggle {
  display: none;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    flex-shrink: 0;
  }

  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 0 auto;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .site-header.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    white-space: normal;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
    padding: 6px 24px 18px;
  }

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

  /* пункты — полноразмерные тап-цели, без flip на тач */
  .main-nav a {
    display: block;
    width: 100%;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-flip {
    height: auto;
    overflow: visible;
  }

  .nav-flip::after {
    display: none;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-dropdown-menu {
    position: static;
    transform: none;
    display: none;
    min-width: 0;
    border: none;
    border-top: none;
    box-shadow: none;
    background: transparent;
    padding: 0 0 6px 12px;
  }

  .nav-dropdown.is-open .nav-dropdown-menu {
    display: flex;
  }

}

@media (max-width: 420px) {
  .header-callback-link {
    display: none;
  }

  .logo-descriptor {
    display: none;
  }
}

/* ==========================================================================
   Сводная таблица мощностей Гортекс (Power Matrix Table)
   ========================================================================== */
.power-matrix-section {
  margin-bottom: 40px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.power-matrix-banner {
  background: linear-gradient(90deg, #8c1313 0%, #680d0d 100%);
  padding: 16px 24px;
  color: #ffffff;
}

.power-matrix-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 0 0 4px;
  color: #ffffff;
}

.power-matrix-subtitle {
  font-size: 0.9rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.power-matrix-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.power-matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.95rem;
  min-width: 720px;
}

.power-matrix-table th,
.power-matrix-table td {
  padding: 12px 16px;
  border: 1px solid #dcdcdc;
}

.power-matrix-table thead th {
  background-color: #2b2b2b;
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
}

.power-matrix-table thead th:first-child {
  text-align: left;
  background-color: #222222;
  width: 240px;
}

.power-matrix-table tbody tr {
  background-color: #faf3e5;
  transition: background-color 0.2s ease;
}

.power-matrix-table tbody th.type-cell {
  text-align: left;
  background-color: #f7ebd7;
  color: #1a1a1a;
  font-weight: 700;
  font-family: var(--font);
  font-size: 0.95rem;
}

.power-matrix-cell {
  cursor: pointer;
  background-color: #ffffff;
  color: #0b6828;
  font-weight: 800;
  font-size: 1rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  user-select: none;
}

.power-matrix-cell:hover {
  background-color: #fff4d8;
  color: #000000;
  box-shadow: inset 0 0 0 2px var(--accent);
  transform: scale(1.02);
  z-index: 2;
}

.power-matrix-cell:active {
  transform: scale(0.98);
}

.power-matrix-cell .cell-hint {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: #666666;
  margin-top: 2px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.power-matrix-cell:hover .cell-hint {
  opacity: 1;
}