:root {
  --color-white: #ffffff;
  --color-surface: #f5f7fa;
  --color-surface-alt: #edf2f7;
  --color-ink: #1b365d;
  --color-ink-strong: #0f2746;
  --color-graphite: #333333;
  --color-text-muted: #667085;
  --color-border: #e0e0e0;
  --color-border-strong: #b9c3cf;
  --color-danger: #b23a3a;
  --radius-card: 4px;
  --radius-button: 4px;
  --radius-pill: 999px;
  --container: 1320px;
  --section-space: clamp(4rem, 7vw, 7rem);
  --header-height-base: 88px;
  --header-height: 88px;
  --mobile-bar-height: 84px;
  --reveal-offset: 52px;
  --filter-fade-offset: 18px;
  --filter-enter-offset: 20px;
}

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

html,
body {
  max-width: 100vw;
  overflow-x: hidden;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  padding-bottom: calc(var(--mobile-bar-height) + env(safe-area-inset-bottom));
  color: var(--color-graphite);
  background-color: var(--color-white);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: clamp(0.96rem, 0.9rem + 0.15vw, 1.02rem);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(27, 54, 93, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 54, 93, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
  pointer-events: none;
}

body.nav-open {
  overflow: hidden;
}

main {
  overflow-x: hidden;
}

section,
footer {
  position: relative;
}

section {
  border-top: 1px solid var(--color-border);
}

main > :first-child {
  border-top: 0;
}

section[id],
footer[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

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

picture {
  display: block;
}

svg,
video,
canvas,
iframe,
table {
  display: block;
  max-width: 100%;
}

iframe,
video {
  width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  overflow-wrap: anywhere;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

input,
textarea,
select,
button {
  min-height: 44px;
}

h1,
h2,
h3,
h4,
p,
ul,
figure,
figcaption {
  margin: 0;
}

ul {
  list-style: none;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--color-ink-strong);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(2.85rem, 6vw, 5.7rem);
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3.45rem);
}

h3 {
  font-size: clamp(1.18rem, 1.05rem + 0.7vw, 1.5rem);
}

h4 {
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
}

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 1000;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-button);
  background: var(--color-ink);
  color: var(--color-white);
}

.skip-link:focus,
.skip-link:focus-visible {
  left: 16px;
  top: 16px;
}

.container {
  width: min(calc(100% - 1.5rem), var(--container));
  margin: 0 auto;
}

.section {
  padding: var(--section-space) 0;
}

.section--alt {
  background:
    linear-gradient(180deg, rgba(245, 247, 250, 0.85) 0%, rgba(255, 255, 255, 0.96) 100%);
}

.section--dark {
  background: linear-gradient(180deg, #0f2746 0%, #153157 100%);
  border-top-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
}

.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.22;
  pointer-events: none;
}

.section--dark .container {
  position: relative;
  z-index: 1;
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section-heading {
  display: grid;
  gap: 0.9rem;
  max-width: 820px;
  margin-bottom: 2.4rem;
}

.section-heading--left {
  margin-left: 0;
}

.section-heading__eyebrow,
.hero-copy__eyebrow,
.hero-media__tag,
.hero-spec__label,
.header-phone__label,
.phone-link__text,
.filter-pill,
.product-card__badge,
.product-card__status,
.product-card__sku,
.about-row__index,
.category-card__code,
.process-step__number,
.form-counter,
.request-specs strong,
.mobile-cta-bar__label {
  font-family: "JetBrains Mono", monospace;
}

.section-heading__eyebrow {
  display: inline-flex;
  width: max-content;
  align-items: center;
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-button);
  background: var(--color-white);
  color: var(--color-ink);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading p {
  max-width: 62ch;
  color: var(--color-text-muted);
}

.section-heading--light .section-heading__eyebrow {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--color-white);
}

.section-heading--light h2,
.section-heading--light h3,
.section-heading--light h4 {
  color: var(--color-white);
}

.section-heading--light p {
  color: rgba(255, 255, 255, 0.74);
}

.button,
.site-nav a,
.mobile-menu__nav a,
.header-phone,
.footer-nav a,
.footer-contacts a,
.contacts-list a,
.filter-pill,
.menu-toggle,
.mobile-cta-bar__phone {
  min-width: 44px;
  min-height: 44px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.35rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-button);
  overflow: hidden;
  background: transparent;
  color: var(--color-ink);
  font-weight: 600;
  line-height: 1;
  isolation: isolate;
  transition:
    color 0.3s ease,
    border-color 0.3s ease,
    transform 0.3s ease,
    background-color 0.3s ease;
  touch-action: manipulation;
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.button:hover::before {
  transform: scaleX(1);
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.button--primary {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}

.button--primary::before {
  background: var(--color-ink-strong);
}

.button--ghost {
  background: var(--color-white);
  color: var(--color-ink-strong);
}

.button--ghost::before {
  background: var(--color-ink);
}

.button--ghost:hover {
  color: var(--color-white);
}

.button--secondary {
  border-color: var(--color-border-strong);
  background: var(--color-white);
  color: var(--color-ink-strong);
}

.button--secondary::before {
  background: var(--color-surface-alt);
}

.button--header {
  display: none;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--color-white);
}

.button--header::before {
  background: var(--color-white);
}

.button--header:hover {
  border-color: var(--color-white);
  color: var(--color-ink-strong);
}

.button--ghost-light {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
}

.button--ghost-light::before {
  background: var(--color-white);
}

.button--ghost-light:hover {
  border-color: var(--color-white);
  color: var(--color-ink-strong);
}

.button--full {
  width: 100%;
}

.site-header {
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  z-index: 40;
  background: rgba(27, 54, 93, 0.97);
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.site-header.scrolled {
  background: rgba(15, 39, 70, 0.98);
  border-bottom-color: rgba(255, 255, 255, 0.18);
}

.header-inner {
  min-height: var(--header-height-base);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: inherit;
}

.brand__logo {
  flex: none;
  width: 48px;
}

.brand__text {
  display: grid;
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: none;
  justify-content: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.site-nav a,
.footer-nav a,
.mobile-menu__nav a {
  position: relative;
  padding: 0.4rem 0;
  color: inherit;
}

.site-nav a::after,
.footer-nav a::after,
.mobile-menu__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.1rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.24s ease;
}

.site-nav a:hover::after,
.footer-nav a:hover::after,
.mobile-menu__nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 0.75rem;
}

.header-phone {
  display: none;
  gap: 0.1rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-button);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-white);
}

.header-phone__label,
.mobile-cta-bar__label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.phone-link__text {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.menu-toggle {
  display: inline-flex;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-button);
  color: var(--color-white);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle span + span {
  margin-top: 0.28rem;
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 16, 30, 0.55);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu {
  position: fixed;
  top: calc(var(--header-height) - 1px);
  right: 0;
  width: min(100%, 420px);
  min-height: calc(100dvh - var(--header-height) + 1px);
  max-height: calc(100dvh - var(--header-height) + 1px);
  padding: 1.35rem;
  display: grid;
  align-content: start;
  gap: 1.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--color-ink-strong);
  color: var(--color-white);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

body.nav-open .mobile-menu-backdrop {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

body.nav-open .mobile-menu {
  transform: translateX(0);
}

.mobile-menu__nav,
.mobile-menu__actions {
  display: grid;
  gap: 0.8rem;
}

.mobile-menu__nav a {
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-menu__actions .button {
  width: 100%;
}

.hero {
  padding: clamp(4rem, 8vw, 7rem) 0 var(--section-space);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.hero-copy {
  display: grid;
  gap: 1.4rem;
  align-content: start;
}

.hero-copy__eyebrow {
  display: inline-flex;
  width: max-content;
  padding-left: 0.95rem;
  border-left: 4px solid var(--color-ink);
  color: var(--color-ink);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-subtitle {
  max-width: 58ch;
  font-size: clamp(1.02rem, 0.96rem + 0.35vw, 1.22rem);
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-actions .button {
  width: 100%;
}

.hero-specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.hero-spec {
  position: relative;
  display: grid;
  gap: 0.45rem;
  min-height: 124px;
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
}

.hero-spec::before,
.category-card::before,
.why-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 64px;
  height: 3px;
  background: var(--color-ink);
}

.hero-spec__label {
  color: var(--color-text-muted);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-spec strong {
  font-size: 1.6rem;
  color: var(--color-ink-strong);
}

.hero-spec p {
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.hero-media {
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-rows: auto;
  gap: 0.9rem;
}

.hero-media__card {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 0.8rem;
  min-height: clamp(15rem, 56vw, 19rem);
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #ffffff 0%, #f6f8fb 100%);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.hero-media__card::before,
.product-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(27, 54, 93, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 54, 93, 0.04) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.7;
  pointer-events: none;
}

.hero-media__card img {
  height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  padding: 0.5rem 0;
}

.hero-media__card figcaption {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.35rem;
}

.hero-media__card strong {
  font-size: 1rem;
}

.hero-media__tag {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-media__card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
}

.about-rows {
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.about-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  align-items: start;
  padding: 1.45rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.24s ease;
}

.about-row:hover {
  background: linear-gradient(90deg, rgba(27, 54, 93, 0.03), transparent 55%);
}

.about-row__index {
  color: #c1c8d2;
  font-size: clamp(2.7rem, 6vw, 4.5rem);
  line-height: 0.9;
}

.about-row__body {
  display: grid;
  gap: 0.5rem;
  max-width: 72ch;
}

.about-row__body p {
  color: var(--color-text-muted);
}

.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.category-card,
.product-card,
.why-card,
.contacts-card,
.request-card__form-panel,
.request-card,
.map-placeholder {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.category-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 1rem;
  min-height: 100%;
  padding: 1.2rem;
  background: var(--color-white);
}

.category-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.category-card__icon,
.why-card__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
}

.category-card__code {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.category-card__list {
  display: grid;
  gap: 0.55rem;
  padding: 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition:
    background-color 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}

.category-card__list li {
  padding: 0.55rem 0.75rem;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-muted);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    background-color 0.28s ease,
    color 0.28s ease;
}

.category-card:hover .category-card__list {
  background: rgba(27, 54, 93, 0.05);
  border-color: rgba(27, 54, 93, 0.2);
  box-shadow: inset 0 0 0 1px rgba(27, 54, 93, 0.05);
}

.category-card:hover .category-card__list li {
  transform: translateX(4px);
  border-color: rgba(27, 54, 93, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-ink-strong);
}

.catalog-filter {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  margin-bottom: 1.4rem;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.catalog-filter::-webkit-scrollbar {
  height: 6px;
}

.catalog-filter::-webkit-scrollbar-thumb {
  background: rgba(27, 54, 93, 0.24);
}

.filter-pill {
  flex: none;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  scroll-snap-align: start;
  transition:
    color 0.24s ease,
    background-color 0.24s ease,
    border-color 0.24s ease;
}

.filter-pill:hover,
.filter-pill.is-active {
  border-color: var(--color-ink);
  color: var(--color-ink-strong);
}

.filter-pill.is-active {
  background: var(--color-ink);
  color: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: stretch;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  background: var(--color-white);
  transition:
    border-color 0.3s ease,
    background-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease,
    opacity 0.24s ease;
}

.product-card__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(13rem, 52vw, 14.5rem);
  padding: 1.2rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%);
  overflow: hidden;
}

.product-card__media img {
  position: relative;
  z-index: 1;
  max-height: 170px;
  object-fit: contain;
}

.product-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.1rem 1rem 1rem;
}

.product-card__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
}

.product-card__badge {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-card__status {
  display: inline-flex;
  align-items: center;
  flex: none;
  white-space: nowrap;
  padding: 0.38rem 0.62rem;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: inset 0 0 0 1px rgba(27, 54, 93, 0.08);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--color-ink-strong);
  font-size: 0.72rem;
}

.product-card__sku {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.product-card__description {
  color: var(--color-text-muted);
  flex: 1;
}

.product-card__cta {
  margin-top: auto;
  align-self: stretch;
}

.product-card:hover {
  border-color: rgba(27, 54, 93, 0.24);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow:
    inset 0 0 0 2px rgba(27, 54, 93, 0.06),
    inset 0 18px 32px rgba(27, 54, 93, 0.06);
}

.product-card.filter-fade-out {
  opacity: 0;
  transform: translateX(var(--filter-fade-offset));
}

.product-card.filter-hidden {
  display: none;
}

.product-card.filter-fade-in {
  animation: filter-enter 0.32s ease forwards;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.process-step {
  display: grid;
  gap: 0.85rem;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition:
    transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.7s ease,
    border-color 0.24s ease,
    background-color 0.24s ease;
}

.process-step.reveal--left {
  transform: translate3d(calc(-1 * var(--reveal-offset)), 0, 0);
}

.process-step.reveal--right {
  transform: translate3d(var(--reveal-offset), 0, 0);
}

.process-step.visible {
  opacity: 1;
  transform: none;
}

.process-step:hover {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.process-step__number {
  color: rgba(255, 255, 255, 0.34);
  font-size: 2.8rem;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.process-step p {
  color: rgba(255, 255, 255, 0.76);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.why-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.9rem;
  min-height: 100%;
  padding: 1.15rem;
  background: var(--color-white);
}

.why-card p {
  color: var(--color-text-muted);
}

.request-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  padding: 1.2rem;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.request-card__intro {
  position: relative;
  display: grid;
  align-content: start;
  gap: 1.3rem;
  min-height: 100%;
  padding: 1.3rem;
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #102745 0%, #15345d 100%);
  color: var(--color-white);
  overflow: hidden;
}

.request-card__intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.24;
  pointer-events: none;
}

.request-card__intro > * {
  position: relative;
  z-index: 1;
}

.request-specs {
  display: grid;
  gap: 0.9rem;
}

.request-specs li {
  display: grid;
  gap: 0.25rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.request-specs strong {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.request-card__form-panel {
  display: grid;
  align-content: start;
  min-height: 100%;
  padding: 1.3rem;
  background: var(--color-white);
}

.request-card.is-success .form-collapse {
  display: none;
}

.request-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
}

.form-group {
  display: grid;
  gap: 0.5rem;
}

.form-group--full,
.button--full,
.form-global-error {
  grid-column: auto;
}

.form-group label {
  color: var(--color-text-muted);
  font-size: 0.76rem;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  color: var(--color-graphite);
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #98a2b3;
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 4px rgba(27, 54, 93, 0.08);
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--color-danger);
  background: rgba(178, 58, 58, 0.02);
}

.form-error,
.form-global-error {
  min-height: 1.2em;
  color: var(--color-danger);
  font-size: 0.86rem;
}

.form-counter {
  justify-self: end;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.form-counter.is-near-limit {
  color: var(--color-ink-strong);
}

.form-success {
  display: grid;
  align-content: center;
  gap: 1rem;
  min-height: 100%;
}

.form-success[hidden] {
  display: none !important;
}

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

.form-success__icon {
  width: 80px;
  height: 80px;
}

.form-success__circle {
  fill: none;
  stroke: rgba(27, 54, 93, 0.18);
  stroke-width: 4;
}

.form-success__check {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contacts-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.contacts-card {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--color-white);
}

.contacts-card h3 {
  padding-bottom: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}

.contacts-list {
  display: grid;
}

.contacts-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.contacts-list li:last-child {
  border-bottom: 0;
}

.contacts-list svg {
  width: 20px;
  color: var(--color-ink);
}

.contacts-list a:hover,
.footer-contacts a:hover {
  color: var(--color-ink);
}

.map-placeholder {
  min-height: 100%;
  padding: 1.2rem;
  background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%);
}

.map-placeholder__content {
  display: grid;
  place-items: center;
  min-height: clamp(16rem, 52vw, 24rem);
  gap: 1rem;
  padding: 2rem;
  border: 1px dashed var(--color-border-strong);
  background: linear-gradient(180deg, rgba(27, 54, 93, 0.04) 0%, rgba(27, 54, 93, 0.01) 100%);
  text-align: center;
}

.map-placeholder__content svg {
  width: 48px;
  color: var(--color-ink);
}

.map-placeholder__content p {
  color: var(--color-text-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer {
  background: var(--color-ink-strong);
  color: var(--color-white);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.3rem;
  flex-wrap: wrap;
}

.footer-contacts {
  display: grid;
  gap: 0.45rem;
  justify-items: start;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0 1.5rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer-bottom a {
  color: var(--color-white);
}

.mobile-cta-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 35;
  display: block;
  padding:
    0.7rem max(0.75rem, env(safe-area-inset-left))
    calc(0.7rem + env(safe-area-inset-bottom))
    max(0.75rem, env(safe-area-inset-right));
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.mobile-cta-bar__inner {
  width: min(100%, var(--container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.mobile-cta-bar__phone {
  display: grid;
  align-content: center;
  gap: 0.12rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
}

.mobile-cta-bar__label {
  color: var(--color-text-muted);
}

.mobile-cta-bar__button {
  width: 100%;
}

.reveal {
  opacity: 0;
  transition:
    transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.7s ease;
}

.reveal--left {
  transform: translate3d(calc(-1 * var(--reveal-offset)), 0, 0);
}

.reveal--right {
  transform: translate3d(var(--reveal-offset), 0, 0);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal:not(.visible),
.process-step:not(.visible) {
  will-change: transform, opacity;
}

@keyframes filter-enter {
  from {
    opacity: 0;
    transform: translateX(var(--filter-enter-offset));
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 481px) {
  .hero-actions .button {
    width: auto;
  }

  .hero-specs,
  .hero-media,
  .categories-grid,
  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-media {
    grid-auto-rows: minmax(7rem, auto);
  }

  .hero-media__card {
    min-height: 0;
  }

  .about-row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 1rem;
  }

  .product-card__meta {
    flex-direction: row;
    justify-content: space-between;
  }

  .product-card__cta {
    align-self: flex-start;
  }

  .mobile-cta-bar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .mobile-cta-bar__button {
    width: auto;
  }
}

@media (min-width: 769px) {
  body {
    padding-bottom: 0;
  }

  .mobile-cta-bar {
    display: none;
  }

  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .hero-specs,
  .categories-grid,
  .process-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .products-grid,
  .request-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .why-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-media {
    grid-auto-rows: 112px;
  }

  .about-row {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 1.25rem;
  }

  .form-group--full,
  .button--full,
  .form-global-error {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1025px) {
  .site-nav {
    display: flex;
  }

  .header-phone {
    display: grid;
  }

  .button--header {
    display: inline-flex;
  }

  .menu-toggle,
  .mobile-menu,
  .mobile-menu-backdrop {
    display: none;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
  }

  .header-actions {
    gap: 0.9rem;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .request-card {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .contacts-layout {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }

  .hero-copy {
    padding-top: 0.75rem;
  }

  .categories-grid,
  .products-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .why-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .footer-top {
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
  }

  .footer-contacts {
    justify-items: end;
  }

  .hero-media__card:nth-child(1) {
    grid-row: span 2;
  }

  .hero-media__card:nth-child(2) {
    grid-row: span 3;
  }

  .hero-media__card:nth-child(3) {
    grid-row: span 2;
  }

  .hero-media__card:nth-child(4) {
    grid-row: span 2;
  }

  .hero-media__card:nth-child(5) {
    grid-row: span 3;
  }

  .hero-media__card:nth-child(6) {
    grid-row: span 2;
  }
}

@media (min-width: 1440px) {
  :root {
    --container: 1400px;
    --section-space: clamp(4.5rem, 6vw, 7.5rem);
  }

  .hero-media {
    grid-auto-rows: 120px;
  }
}

@supports not (gap: 1rem) {
  .header-actions > * + *,
  .hero-actions > * + *,
  .site-nav > * + *,
  .footer-nav > * + * {
    margin-inline-start: 0.75rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .process-step {
    opacity: 1;
    transform: none;
  }
}