:root {
  --bg: #dee2e6;
  --surface: rgba(250, 251, 252, 0.96);
  --surface-strong: #ffffff;
  --surface-dark: #1f242a;
  --text: #11151a;
  --text-muted: #5f6771;
  --line: rgba(17, 21, 26, 0.1);
  --accent: #f28a32;
  --accent-dark: #ca6413;
  --accent-soft: rgba(242, 138, 50, 0.12);
  --olive: #73806f;
  --shadow: 0 20px 45px rgba(18, 24, 31, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: min(1240px, calc(100vw - 32px));
}

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

html {
  scrollbar-color: rgba(242, 138, 50, 0.6) rgba(0, 0, 0, 0.08);
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(241, 243, 245, 0.54), rgba(226, 230, 233, 0.62)),
    url("./fonbeton.png") center top / cover fixed no-repeat;
}

body::-webkit-scrollbar {
  width: 12px;
}

body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.06);
}

body::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(242, 138, 50, 0.82), rgba(202, 100, 19, 0.82));
  background-clip: padding-box;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px);
  background: rgba(21, 25, 30, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong,
.hero h1,
.section h2,
.catalog-rail-head h3,
.timeline h3,
.modal-dialog h2 {
  font-family: "Oswald", "Arial Narrow", sans-serif;
  letter-spacing: 0.02em;
}

.brand-copy strong {
  font-size: 1.8rem;
  line-height: 1;
  color: #ffffff;
}

.brand-copy span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.brand-kicker {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.62);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}

.site-nav a,
.phone-link,
.button,
.catalog-tab,
.catalog-summary-bullets span,
.service-pills span,
.hero-points span {
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.96rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.phone-link:hover,
.phone-link:focus-visible {
  color: #ffffff;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.phone-link {
  font-weight: 800;
  color: #ffffff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(242, 138, 50, 0.26);
}

.button:hover,
.button:focus-visible,
.catalog-tab:hover,
.catalog-tab:focus-visible {
  transform: translateY(-1px);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: #ffffff;
  border-radius: 99px;
}

.hero {
  padding: 42px 0 20px;
  background:
    linear-gradient(90deg, rgba(244, 246, 248, 0.88) 0%, rgba(244, 246, 248, 0.72) 44%, rgba(244, 246, 248, 0.38) 68%, rgba(244, 246, 248, 0.78) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    url("./fonmain.png") center center / cover no-repeat;
  border-bottom: 1px solid rgba(17, 21, 26, 0.06);
}

.hero-grid,
.section-grid,
.calculator-layout,
.contacts-layout {
  display: grid;
  gap: 24px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.34fr) minmax(420px, 540px);
  gap: 20px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 800;
}

.hero h1,
.section h2,
.catalog-rail-head h3,
.modal-dialog h2 {
  margin: 0;
  line-height: 0.96;
}

.hero h1 {
  width: 100%;
  max-width: none;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(2.55rem, 3.7vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  text-wrap: pretty;
}

.hero-text,
.section-text,
.hero-note p,
.catalog-summary p,
.catalog-feature-copy p,
.product-card p,
.calculator-side p,
.service-stack p,
.timeline p,
.contacts-cards p,
.requisites p {
  color: var(--text-muted);
  font-size: 1.01rem;
  line-height: 1.68;
}

.hero-text {
  max-width: 60ch;
  margin: 22px 0 0;
}

.hero-benefits {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 12px;
}

.hero-benefits article,
.hero-card,
.about-panel,
.catalog-summary,
.catalog-feature,
.catalog-rail,
.calculator-card,
.calculator-side article,
.service-stack article,
.timeline article,
.advantage-grid article,
.contacts-cards article,
.requisites,
.modal-dialog {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.hero-benefits article {
  position: relative;
  min-height: 88px;
  padding: 12px 16px 12px 20px;
  border-radius: 20px;
  overflow: hidden;
}

.hero-benefits article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--accent), rgba(31, 36, 42, 0.8));
}

.hero-benefits strong {
  display: block;
  font-size: 0.94rem;
  line-height: 1.15;
}

.hero-benefits span {
  display: block;
  margin-top: 3px;
  color: var(--text-muted);
  line-height: 1.35;
  font-size: 0.84rem;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
  margin-bottom: 14px;
}

.hero-point {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 10px;
  min-width: 0;
}

.hero-point svg {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  color: var(--accent-dark);
  stroke-width: 2;
}

.hero-point span {
  display: block;
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.35;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2px;
}

.hero-actions .button,
.hero-actions .button-ghost {
  min-height: 58px;
  padding-inline: 18px;
}

.hero-actions .button-ghost {
  background: rgba(31, 36, 42, 0.72);
  color: #ffffff;
  border-color: rgba(31, 36, 42, 0.18);
  box-shadow: 0 10px 24px rgba(18, 24, 31, 0.14);
}

.hero-actions .button-ghost:hover,
.hero-actions .button-ghost:focus-visible {
  background: rgba(31, 36, 42, 0.82);
}

.hero-copy {
  position: relative;
}
.service-pills span,
.catalog-summary-bullets span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(23, 22, 20, 0.08);
  background: rgba(255, 255, 255, 0.56);
  color: var(--text-muted);
}

.service-pills span {
  border-color: rgba(23, 22, 20, 0.12);
  background: rgba(255, 255, 255, 0.82);
  color: #5a6470;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 0;
  justify-self: end;
  width: 100%;
  max-width: 390px;
}

.hero-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero-card-lead {
  padding: 20px 20px 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 251, 0.92)),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(17, 21, 26, 0.08);
}

.hero-card-lead p {
  margin: 0 0 6px;
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.2;
}

.hero-card-lead small {
  display: block;
  margin-bottom: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  font-size: 0.95rem;
}

.hero-card-lead .lead-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.hero-card-lead .lead-form label {
  gap: 6px;
}

.hero-card-lead .lead-form .form-consent,
.hero-card-lead .lead-form .button {
  grid-column: 1 / -1;
}

.hero-card-lead .lead-form span {
  font-size: 0.9rem;
}

.hero-card-lead .lead-form .form-consent {
  align-items: center;
}

.hero-card-lead .lead-form .form-consent span {
  font-size: 0.68rem;
  line-height: 1.3;
  padding-top: 1px;
}

.hero-card-lead .lead-form .form-consent input[type="checkbox"] {
  margin-top: 0;
}

.hero-card-lead .lead-form input {
  min-height: 52px;
}

.hero-card-lead .lead-form select {
  min-height: 52px;
}

.hero-form-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(17, 21, 26, 0.08);
}

.hero-form-feature {
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
}

.hero-form-feature svg {
  width: 22px;
  height: 22px;
  color: rgba(111, 119, 131, 0.88);
  stroke-width: 1.9;
}

.hero-form-feature span {
  display: block;
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.3;
}

.lead-form,
.calculator-form {
  display: grid;
  gap: 14px;
}

.lead-form label,
.calculator-form label {
  display: grid;
  gap: 8px;
}

.lead-form span,
.calculator-form span {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.lead-form input,
.lead-form select,
.calculator-form input,
.calculator-form select {
  width: 100%;
  min-height: 56px;
  padding: 0 16px;
  border-radius: 16px;
  border: 1px solid rgba(23, 22, 20, 0.08);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
}

.lead-form select,
.calculator-form select {
  color-scheme: light;
  background-color: #ffffff;
  color: #11151a;
}

.lead-form select option,
.calculator-form select option,
.lead-form select optgroup,
.calculator-form select optgroup {
  background-color: #ffffff;
  color: #11151a;
}

.lead-form input:focus-visible,
.lead-form select:focus-visible,
.calculator-form input:focus-visible,
.calculator-form select:focus-visible {
  outline: 2px solid rgba(203, 113, 48, 0.25);
  outline-offset: 2px;
}

.form-consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 8px;
  cursor: pointer;
}

.form-consent input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  height: 18px;
  margin: 2px 0 0;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--accent);
}

.form-consent span {
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--text-muted);
}

.form-consent a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-consent-wide {
  grid-column: 1 / -1;
}

.trust-strip {
  padding: 6px 0 0;
}

.trust-grid {
  display: grid;
  gap: 16px;
  padding: 22px 24px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(23, 22, 20, 0.08);
}

.trust-grid-marquee {
  width: 100%;
  padding: 14px 0 16px;
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.46));
  box-shadow: none;
}

.trust-grid-marquee > p {
  width: min(var(--container), calc(100vw - 32px));
  margin: 0 auto;
  padding: 0 4px 0 18px;
}

.trust-grid p {
  margin: 0;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  font-weight: 800;
}

.trust-marquee {
  width: 100%;
  overflow: hidden;
}

.trust-marquee-track {
  display: flex;
  width: max-content;
  animation: trust-marquee 32s linear infinite;
  will-change: transform;
}

.trust-marquee-group {
  display: flex;
  align-items: center;
  gap: clamp(34px, 5vw, 78px);
  padding: 0 clamp(18px, 3vw, 34px);
}

.trust-marquee-group img {
  display: block;
  width: auto;
  height: clamp(40px, 4.4vw, 58px);
  filter: grayscale(1);
  opacity: 0.76;
  object-fit: contain;
  flex: 0 0 auto;
}

.trust-marquee-group img.trust-logo-sovremennic {
  height: clamp(32px, 3.6vw, 46px);
}

@keyframes trust-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.section {
  position: relative;
  padding: 62px 0;
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.18));
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent 16%, transparent 84%, rgba(17, 21, 26, 0.02));
}

.section-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

#services .section-grid {
  position: relative;
  padding-bottom: 38px;
}

#delivery {
  padding-top: 30px;
}

.section-grid-about {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.about-story {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr) minmax(280px, 0.88fr);
  align-items: start;
  gap: 18px 22px;
  width: min(100%, 1180px);
  justify-self: center;
  margin-top: 6px;
  padding: 14px 26px 16px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 249, 251, 0.78));
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.about-story-kicker {
  grid-column: 1 / -1;
  display: block;
  min-height: 0;
  width: auto;
  padding: 0;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
}

.about-story-lead,
.about-story p {
  margin: 0;
}

.about-story-lead,
.about-story-copy,
.about-story-note {
  position: relative;
  min-height: 100%;
}

.about-story-copy,
.about-story-note {
  padding-left: 28px;
}

.about-story-copy::before,
.about-story-note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), rgba(31, 36, 42, 0.75));
}

.about-story-lead {
  font-size: 1.04rem;
  line-height: 1.65;
  color: #23292f;
  font-weight: 700;
}

.about-story p {
  color: var(--text-muted);
  line-height: 1.68;
}

.about-story-note {
  color: #23292f;
  font-size: 1rem;
  line-height: 1.55;
  font-weight: 700;
}

.about-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-panel article {
  position: relative;
  padding: 24px 24px 24px 28px;
  background: rgba(255, 255, 255, 0.64);
}

.about-panel article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), rgba(31, 36, 42, 0.75));
}

.about-panel strong,
.calculator-result strong {
  font-size: 2rem;
  line-height: 1;
}

.about-panel span {
  display: block;
  margin-top: 10px;
  color: var(--text-muted);
  line-height: 1.5;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head .section-text {
  max-width: 48ch;
  margin: 0;
}

#reviews .section-head .button-secondary {
  background: var(--accent);
  color: #ffffff;
  border-color: rgba(242, 138, 50, 0.92);
  box-shadow: 0 10px 24px rgba(242, 138, 50, 0.24);
}

#reviews .section-head .button-secondary:hover,
#reviews .section-head .button-secondary:focus-visible {
  background: var(--accent-dark);
  border-color: rgba(203, 113, 48, 0.96);
  color: #ffffff;
}

.delivery-intro {
  max-width: 78ch;
  margin: 0 0 24px;
}

.catalog-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.intro-video-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 20px;
  align-items: stretch;
}

.intro-video-copy,
.intro-video-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(23, 22, 20, 0.08);
  box-shadow: var(--shadow);
}

.intro-video-copy {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 246, 248, 0.9));
}

.intro-video-lead {
  margin: 0;
  color: #23292f;
  font-size: 1.18rem;
  line-height: 1.34;
  font-weight: 800;
}

.intro-video-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.intro-video-points span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(242, 138, 50, 0.1);
  color: var(--accent-dark);
  font-weight: 700;
}

.intro-video-card {
  align-self: start;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(242, 245, 247, 0.9));
}

.intro-video-preview {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 100%;
  aspect-ratio: 16 / 9;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(14, 18, 24, 0.12), rgba(14, 18, 24, 0.38)),
    url("./fonmain.png") center center / cover no-repeat;
}

.intro-video-preview-live {
  display: block;
  overflow: hidden;
  min-height: 0;
  padding: 0;
  aspect-ratio: 16 / 9;
  background: #0f141b;
}

.intro-video-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.18), transparent 34%),
    linear-gradient(180deg, transparent 0%, rgba(15, 18, 24, 0.52) 100%);
  pointer-events: none;
}

.intro-video-preview-live::after {
  background: none;
}

.intro-video-media {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #0f141b;
}

.catalog-sidebar {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 18px;
  min-width: 0;
  width: 100%;
}

.catalog-tabs {
  display: grid;
  gap: 10px;
  min-width: 0;
  width: 100%;
}

.catalog-tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  width: 100%;
  padding: 0 18px;
  border-radius: 18px;
  border: 1px solid rgba(23, 22, 20, 0.08);
  background: rgba(255, 255, 255, 0.56);
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 700;
}

.catalog-tab.is-active {
  background: var(--surface-dark);
  color: #fff;
  border-color: var(--surface-dark);
  box-shadow: inset 0 0 0 1px rgba(242, 138, 50, 0.28);
}

.catalog-summary,
.catalog-feature,
.catalog-rail {
  border-radius: var(--radius-xl);
}

.catalog-summary {
  padding: 22px;
  min-width: 0;
  width: 100%;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(31, 36, 42, 0.9), rgba(31, 36, 42, 0.84));
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.catalog-summary h3,
.catalog-feature-copy h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
}

.catalog-summary p,
.catalog-feature-copy p,
.product-card p,
.calculator-side p,
.service-stack p,
.timeline p,
.contacts-cards p,
.requisites p {
  margin: 0;
}

.catalog-summary p,
.catalog-summary-bullet {
  color: rgba(255, 255, 255, 0.82);
}

.catalog-summary-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.catalog-summary-bullet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 700;
}

.catalog-summary-bullet.is-active {
  background: rgba(255, 255, 255, 0.88);
  color: var(--surface-dark);
  border-color: rgba(255, 255, 255, 0.92);
}

.catalog-summary-bullet:hover,
.catalog-summary-bullet:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  outline: none;
}

.catalog-summary-bullet.is-active:hover,
.catalog-summary-bullet.is-active:focus-visible {
  background: rgba(255, 255, 255, 0.88);
  color: var(--surface-dark);
}

.catalog-stage {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.catalog-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(220px, 280px);
  gap: 20px;
  padding: 20px;
  align-items: stretch;
  min-width: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(244, 247, 249, 0.88));
}

.catalog-feature-copy {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding-left: 14px;
  border-left: 4px solid rgba(242, 138, 50, 0.65);
}

.catalog-feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.catalog-feature-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(242, 138, 50, 0.12);
  color: #7a4312;
  font-size: 0.92rem;
}

.catalog-feature-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.catalog-feature-cta .button-secondary {
  background: rgba(31, 36, 42, 0.08);
  color: var(--text);
  border-color: rgba(23, 22, 20, 0.12);
}

.catalog-feature-cta .button-secondary:hover,
.catalog-feature-cta .button-secondary:focus-visible {
  background: rgba(31, 36, 42, 0.12);
  color: var(--text);
}

.catalog-feature-visual {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  min-height: 220px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 245, 247, 0.92));
}

.catalog-feature-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
}

.catalog-rail {
  padding: 20px;
  min-width: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(249, 250, 251, 0.94), rgba(239, 242, 245, 0.88));
}

.catalog-rail-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 16px;
}

.catalog-rail-head h3 {
  font-size: 2rem;
}

.catalog-swiper {
  overflow: hidden;
}

.catalog-swiper .swiper-wrapper {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 86%);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
  scrollbar-color: rgba(203, 113, 48, 0.8) rgba(0, 0, 0, 0.08);
  cursor: grab;
  user-select: none;
}

.catalog-swiper .swiper-slide {
  height: auto;
  scroll-snap-align: start;
}

.product-card {
  display: grid;
  height: 100%;
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 22, 20, 0.08);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.product-card.is-active {
  border-color: rgba(242, 138, 50, 0.45);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(242, 138, 50, 0.18);
}

.product-card:hover,
.product-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(242, 138, 50, 0.45);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(242, 138, 50, 0.18);
  outline: none;
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 249, 0.94));
}

.product-card-body {
  display: grid;
  gap: 12px;
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(246, 248, 250, 0.9));
}

.product-card header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.product-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.product-card .price {
  color: var(--accent-dark);
  font-weight: 800;
  white-space: nowrap;
}

.product-card footer {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.product-card footer span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  background: rgba(31, 36, 42, 0.08);
  color: #47515c;
  font-size: 0.9rem;
}

.catalog-swiper .swiper-scrollbar,
.gallery-swiper .swiper-scrollbar {
  display: none;
}

.calculator-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: start;
}

.calculator-card,
.calculator-side article,
.service-stack article,
.timeline article,
.advantage-grid article,
.requisites,
.modal-dialog {
  border-radius: var(--radius-xl);
}

.calculator-card {
  padding: 28px;
}

.calculator-visual {
  display: grid;
  gap: 14px;
  align-self: stretch;
}

.calculator-visual-frame,
.calculator-legend {
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(23, 22, 20, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.calculator-visual-frame {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 20px;
}

.calculator-visual-frame img {
  width: 100%;
  max-width: 760px;
  height: auto;
  object-fit: contain;
}

.calculator-legend {
  padding: 18px 22px;
}

.calculator-legend p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

.calculator-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.calculator-form label:last-of-type,
.calculator-form .calculator-result,
.calculator-form .button {
  grid-column: 1 / -1;
}

.calculator-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
  padding: 0 20px;
  border-radius: 18px;
  background: rgba(242, 138, 50, 0.1);
}

.calculator-side {
  display: grid;
  gap: 16px;
}

.calculator-side article,
.service-stack article,
.timeline article,
.advantage-grid article,
.requisites {
  padding: 22px;
}

.calculator-side strong,
.service-stack strong,
.requisites strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.service-pills {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.service-lead-note {
  margin-top: 8px;
  margin-bottom: 0;
}

.service-visual {
  position: absolute;
  left: 23%;
  bottom: 22px;
  width: min(39vw, 500px);
  margin-top: 0;
  min-height: 0;
  padding: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 0;
}

.service-visual::after {
  content: "";
  position: absolute;
  inset: auto 10% 6% auto;
  width: 260px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 138, 50, 0.18), transparent 72%);
  pointer-events: none;
}

.service-visual-main {
  position: relative;
  z-index: 0;
  display: grid;
  place-items: end start;
  min-height: 0;
}

.service-visual-main img {
  width: 100%;
  height: auto;
  object-fit: contain;
  opacity: 0.94;
  filter: drop-shadow(0 16px 22px rgba(17, 21, 26, 0.14));
}

.service-stack {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
}

.service-stack article {
  position: relative;
  padding-left: 26px;
}

.service-stack article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(242, 138, 50, 0.14);
}

.service-article-icon {
  padding-right: 22px;
}

.service-article-icon img {
  width: 26px;
  height: 26px;
  margin: 0 0 10px 2px;
  object-fit: contain;
  opacity: 0.82;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.timeline article.delivery-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 0;
  padding: 17px 18px 16px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  background:
    linear-gradient(180deg, rgba(252, 253, 254, 0.96), rgba(240, 244, 247, 0.92));
  box-shadow: var(--shadow);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.timeline article.delivery-card:hover {
  transform: translateY(-2px);
}

.timeline article.delivery-card.is-open {
  border-color: rgba(242, 138, 50, 0.28);
  box-shadow: 0 24px 50px rgba(18, 24, 31, 0.12);
}

.delivery-card-head {
  display: grid;
  gap: 10px;
}

.delivery-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(242, 138, 50, 0.14);
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 0.9rem;
}

.timeline .delivery-card h3 {
  margin: 0;
  font-size: clamp(1.28rem, 1.55vw, 1.72rem);
  line-height: 0.98;
}

.delivery-lead {
  margin: 0;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.4;
  font-weight: 600;
}

.delivery-card-body {
  display: grid;
  gap: 8px;
}

.delivery-card-body[hidden] {
  display: none;
}

.delivery-card-body p {
  margin: 0;
}

.delivery-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: fit-content;
  margin-top: auto;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(242, 138, 50, 0.2);
  border-radius: 999px;
  background: rgba(242, 138, 50, 0.1);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.delivery-toggle::after {
  content: "+";
  font-size: 1rem;
  line-height: 1;
}

.delivery-card.is-open .delivery-toggle::after {
  content: "-";
}

.delivery-toggle:hover,
.delivery-toggle:focus-visible {
  transform: translateY(-1px);
  background: rgba(242, 138, 50, 0.16);
  border-color: rgba(242, 138, 50, 0.3);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 34px;
}

.advantage-grid article {
  position: relative;
  display: grid;
  align-content: start;
  gap: 20px;
  min-height: 220px;
  padding: 24px 22px 22px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(23, 22, 20, 0.08);
  line-height: 1.55;
}


.advantage-card.is-dark {
  background:
    linear-gradient(180deg, rgba(31, 36, 42, 0.96), rgba(39, 45, 52, 0.9));
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.advantage-card.is-light {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(243, 246, 248, 0.9));
  color: var(--text);
  box-shadow: var(--shadow);
}

.advantage-card.is-dark::before,
.advantage-card.is-light::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.advantage-card.is-dark::before {
  background:
    linear-gradient(135deg, rgba(242, 138, 50, 0.16), transparent 42%);
}

.advantage-card.is-light::before {
  background:
    linear-gradient(135deg, rgba(242, 138, 50, 0.08), transparent 42%);
}

.advantage-card.is-shift {
  transform: translateY(34px);
}

.advantage-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
}

.advantage-card.is-dark .advantage-icon {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.advantage-card.is-light .advantage-icon {
  background: rgba(31, 36, 42, 0.08);
  color: var(--text);
}

.advantage-icon svg {
  width: 26px;
  height: 26px;
}

.advantage-grid p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 1.06rem;
}

.gallery-swiper {
  overflow: hidden;
  padding: 6px;
}

.gallery-swiper .swiper-wrapper {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 72%);
  gap: 12px;
  overflow-x: auto;
  padding: 4px 0 12px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  scrollbar-width: thin;
  scrollbar-color: rgba(203, 113, 48, 0.8) rgba(0, 0, 0, 0.08);
  cursor: grab;
  user-select: none;
}

.gallery-swiper .swiper-slide {
  position: relative;
  z-index: 0;
  width: auto;
  scroll-snap-align: start;
  overflow: visible;
}

.gallery-swiper img {
  width: 100%;
  aspect-ratio: 1.12 / 1;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow);
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

@media (hover: hover) and (pointer: fine) {
  .gallery-swiper .swiper-slide:hover {
    z-index: 2;
  }

  .gallery-swiper .swiper-slide:hover img {
    transform: scale(1.035);
    box-shadow: 0 18px 34px rgba(18, 24, 31, 0.18);
  }
}

.reviews-swiper {
  overflow: hidden;
  padding: 0 2px 6px;
}

.reviews-swiper .swiper-wrapper {
  display: flex;
  align-items: stretch;
  overflow: visible;
  padding: 4px 0 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(203, 113, 48, 0.8) rgba(0, 0, 0, 0.08);
  cursor: grab;
  user-select: none;
}

.reviews-swiper .swiper-slide {
  display: flex;
  align-self: stretch;
  height: auto;
  min-width: 0;
  overflow: hidden;
  box-sizing: border-box;
}

.review-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
  min-height: 318px;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(17, 21, 26, 0.08);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 28px rgba(18, 24, 31, 0.08);
  overflow: hidden;
}

.review-card-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.review-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(35, 39, 45, 0.92), rgba(103, 111, 123, 0.78));
  color: #ffffff;
  font-size: 0.96rem;
  font-weight: 800;
}

.review-author {
  display: grid;
  gap: 4px;
  align-content: start;
}

.review-author h3,
.review-card h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.15;
}

.review-meta {
  color: #8c929d;
  font-size: 0.8rem;
  font-weight: 600;
}

.review-stars {
  color: #f4bf2a;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  line-height: 1;
}

.review-card-body {
  flex: 1 1 auto;
  min-width: 0;
}

.review-card p {
  margin: 0;
  color: #11151a;
  font-size: 0.86rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.review-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: auto;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(242, 138, 50, 0.22);
  background: rgba(242, 138, 50, 0.08);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
  justify-self: start;
}

.review-link:hover,
.review-link:focus-visible {
  background: rgba(242, 138, 50, 0.14);
  border-color: rgba(242, 138, 50, 0.34);
  color: #a45411;
  text-decoration: none;
  outline: none;
}

.gallery-swiper-footer {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.swiper-pagination:empty,
.swiper-scrollbar:empty {
  display: none;
}

.catalog-swiper .swiper-wrapper::-webkit-scrollbar,
.gallery-swiper .swiper-wrapper::-webkit-scrollbar,
.reviews-swiper .swiper-wrapper::-webkit-scrollbar {
  height: 8px;
}

.catalog-swiper .swiper-wrapper::-webkit-scrollbar-thumb,
.gallery-swiper .swiper-wrapper::-webkit-scrollbar-thumb,
.reviews-swiper .swiper-wrapper::-webkit-scrollbar-thumb {
  background: rgba(203, 113, 48, 0.8);
  border-radius: 999px;
}

.catalog-swiper .swiper-wrapper::-webkit-scrollbar-track,
.gallery-swiper .swiper-wrapper::-webkit-scrollbar-track,
.reviews-swiper .swiper-wrapper::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.08);
  border-radius: 999px;
}

.catalog-swiper .swiper-wrapper.is-drag-ready,
.gallery-swiper .swiper-wrapper.is-drag-ready,
.reviews-swiper .swiper-wrapper.is-drag-ready {
  scroll-behavior: auto;
}

.catalog-swiper .swiper-wrapper.is-dragging,
.gallery-swiper .swiper-wrapper.is-dragging,
.reviews-swiper .swiper-wrapper.is-dragging {
  cursor: grabbing;
}

.catalog-swiper .swiper-wrapper.is-dragging *,
.gallery-swiper .swiper-wrapper.is-dragging *,
.reviews-swiper .swiper-wrapper.is-dragging * {
  pointer-events: none;
}

.section-contacts {
  padding-top: 28px;
  padding-bottom: 72px;
}

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

.contacts-head {
  margin-bottom: 8px;
}

.contacts-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  align-items: stretch;
}

.contacts-info,
.contacts-map,
.requisites {
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(17, 21, 26, 0.08);
  box-shadow: var(--shadow);
}

.contacts-info {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.contacts-list {
  display: grid;
  gap: 14px;
}

.contacts-list article {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(17, 21, 26, 0.08);
}

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

.contacts-list span {
  display: block;
  margin-bottom: 6px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contacts-list strong {
  display: block;
  font-size: 1.1rem;
  line-height: 1.45;
}

.contacts-map {
  overflow: hidden;
  min-height: 460px;
}

.contacts-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.site-footer {
  padding: 24px 0 36px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links p {
  margin: 0;
}

.footer-links a {
  color: var(--text-muted);
}

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 55;
  display: grid;
  justify-items: center;
}

.cookie-banner.cookie-banner-hidden {
  display: none;
}

.cookie-banner-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  width: min(760px, 100%);
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(31, 36, 42, 0.94);
  box-shadow: var(--shadow);
  color: #ffffff;
}

.cookie-banner-inner p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.4;
}

.cookie-banner-inner a {
  color: #ffffff;
  text-decoration: underline;
}

.cookie-banner-button {
  min-width: 112px;
  min-height: 44px;
  padding-inline: 16px;
}

@media (max-width: 780px) {
  .cookie-banner-inner {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 10px;
    width: min(100%, 420px);
    padding: 10px 12px;
    border-radius: 16px;
  }

  .cookie-banner-button {
    width: 100%;
    min-height: 40px;
  }
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 50;
  max-width: min(420px, calc(100vw - 32px));
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(31, 36, 42, 0.94);
  color: #fff;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 16px;
  visibility: hidden;
  opacity: 0;
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease;
}

.modal.is-open {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 15, 0.48);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  padding: 28px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(23, 22, 20, 0.08);
  cursor: pointer;
  font-size: 1.5rem;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 1140px) {
  .header-inner {
    grid-template-columns: auto auto 1fr auto;
  }

  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    border-radius: 24px;
    background: rgba(21, 25, 30, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav .header-actions {
    display: grid;
    width: 100%;
    gap: 10px;
    margin-top: 6px;
  }

  .site-nav .phone-link {
    font-size: 1.1rem;
    line-height: 1.2;
  }

  .site-nav .button-secondary {
    width: 100%;
    justify-content: center;
  }

  .hero-grid,
  .section-grid,
  .calculator-layout,
  .catalog-layout,
  .intro-video-layout {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    position: static;
  }

  .catalog-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-feature {
    grid-template-columns: 1fr;
  }

  .advantage-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .advantage-card.is-shift {
    transform: translateY(20px);
  }

  .contacts-panel {
    grid-template-columns: 1fr;
  }

  .about-story {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 18px;
    padding: 16px 20px 18px;
  }

  .about-story-copy,
  .about-story-note {
    padding-left: 18px;
  }

  .about-story-copy::before,
  .about-story-note::before {
    top: 4px;
    bottom: 4px;
    width: 4px;
  }

  .trust-grid-marquee {
    padding: 14px 0 16px;
  }

  #services .section-grid {
    padding-bottom: 0;
  }

  .service-visual {
    position: relative;
    left: auto;
    bottom: auto;
    width: 100%;
    margin-top: 24px;
    min-height: 220px;
  }
}

@media (max-width: 780px) {
  .header-inner {
    grid-template-columns: auto auto 1fr;
    padding: 12px 0;
  }

  .hero {
    padding-top: 34px;
  }

  .hero h1 {
    max-width: 12ch;
    font-size: clamp(1.95rem, 7.4vw, 2.7rem);
  }

  .hero-benefits,
  .hero-points,
  .about-panel,
  .calculator-form,
  .advantage-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-benefits {
    gap: 10px;
    margin: 16px 0 10px;
  }

  .hero-benefits article {
    min-height: 0;
    padding: 10px 14px 10px 18px;
    border-radius: 18px;
  }

  .hero-benefits strong {
    font-size: 0.88rem;
  }

  .hero-benefits span {
    margin-top: 2px;
    font-size: 0.78rem;
    line-height: 1.28;
  }

  .advantage-grid {
    padding-bottom: 0;
  }

  .advantage-card.is-shift {
    transform: none;
  }

  .calculator-visual-frame {
    padding: 18px;
  }

  .hero-actions,
  .catalog-rail-head,
  .section-head,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .intro-video-copy {
    padding: 22px;
  }

  .intro-video-preview {
    min-height: 0;
    padding: 22px;
  }

  .intro-video-preview-live {
    padding: 0;
    min-height: 0;
    aspect-ratio: auto;
  }

  .intro-video-media {
    height: auto;
    min-height: 0;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .catalog-tabs {
    grid-template-columns: 1fr;
  }

  .catalog-rail {
    display: none;
  }

  .catalog-summary {
    padding: 20px;
  }

  .review-card {
    min-height: 360px;
    padding: 18px 18px 16px;
  }

  .catalog-feature-visual {
    min-height: 190px;
    max-height: 280px;
  }

  .catalog-feature-visual img {
    width: auto;
    max-width: 100%;
    max-height: 240px;
    padding: 12px;
  }

  .catalog-summary-bullets {
    gap: 8px;
  }

  .catalog-summary-bullet {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    font-size: 0.98rem;
  }

  .trust-marquee-group {
    gap: 28px;
    padding: 0 16px;
  }

  .trust-marquee-group img {
    height: 38px;
  }

  .contacts-map {
    min-height: 320px;
  }

  .section,
  .section-contacts {
    padding: 50px 0;
  }
}

@media (min-width: 781px) {
  .catalog-swiper .swiper-wrapper {
    grid-auto-columns: minmax(280px, 42%);
  }

  .gallery-swiper .swiper-wrapper {
    grid-auto-columns: minmax(240px, 32%);
  }
}

@media (min-width: 1080px) {
  .catalog-swiper .swiper-wrapper {
    grid-auto-columns: minmax(280px, 31%);
  }

  .gallery-swiper .swiper-wrapper {
    grid-auto-columns: minmax(240px, 24%);
  }
}

@media (max-width: 560px) {
  .header-actions .button-secondary,
  .hero-actions .button,
  .hero-actions .button-ghost,
  .catalog-feature-cta .button,
  .catalog-rail-head .button-secondary {
    width: 100%;
  }

  .hero-card-lead,
  .catalog-summary,
  .catalog-feature,
  .catalog-rail,
  .calculator-card,
  .intro-video-copy,
  .modal-dialog {
    padding: 20px;
  }

  .intro-video-preview {
    padding: 20px;
    aspect-ratio: 1.18 / 1;
  }

  .intro-video-preview-live {
    padding: 0;
    min-height: 0;
    aspect-ratio: auto;
  }

  .intro-video-media {
    height: auto;
    min-height: 0;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .intro-video-points {
    gap: 8px;
  }

  .intro-video-points span {
    min-height: 36px;
    padding: 0 14px;
    font-size: 0.92rem;
  }

  .review-card {
    min-height: 304px;
    border-radius: 20px;
  }

  .review-card-body {
    flex: 1 1 auto;
  }

  .gallery-swiper {
    padding-inline: 2px;
  }

  .gallery-swiper .swiper-wrapper {
    grid-auto-columns: minmax(200px, 84%);
    gap: 10px;
    padding-bottom: 10px;
  }

  .catalog-feature-visual {
    min-height: 170px;
    max-height: 240px;
    border-radius: 22px;
  }

  .catalog-feature-visual img {
    max-height: 210px;
    padding: 10px;
  }

  .hero-form-features {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-form-feature {
    grid-template-columns: 22px 1fr;
    justify-items: start;
    align-items: center;
    text-align: left;
  }

  .about-story {
    padding: 20px;
    border-radius: 22px;
  }

  .about-story-lead {
    font-size: 0.98rem;
  }

  .about-story strong {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 12px 16px;
  }

  .service-pills span,
  .catalog-summary-bullets span {
    width: 100%;
    justify-content: center;
  }

  .catalog-tab {
    min-height: 50px;
  }

}

@media (max-width: 420px) {
  :root {
    --container: min(1240px, calc(100vw - 20px));
  }

  .brand {
    gap: 10px;
  }

  .brand img {
    width: 56px;
    height: 56px;
  }

  .brand-copy strong {
    font-size: 1.5rem;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(1.72rem, 8.7vw, 2.28rem);
  }

  .hero-benefits article {
    padding: 9px 13px 9px 17px;
    border-radius: 16px;
  }

  .hero-benefits strong {
    font-size: 0.84rem;
  }

  .hero-benefits span {
    font-size: 0.74rem;
  }

  .button,
  .button-secondary,
  .button-ghost {
    width: 100%;
  }

  .intro-video-preview {
    aspect-ratio: 1 / 1.02;
  }

  .intro-video-preview-live {
    aspect-ratio: auto;
  }

  .intro-video-media {
    height: auto;
    min-height: 0;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .review-card {
    min-height: 292px;
    padding: 16px 16px 14px;
  }

  .review-avatar {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    font-size: 0.88rem;
  }

  .review-author h3,
  .review-card h3 {
    font-size: 0.94rem;
  }

  .review-meta {
    font-size: 0.76rem;
  }

  .review-stars {
    font-size: 0.82rem;
  }

  .review-card p {
    font-size: 0.8rem;
  }

  .review-link {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.76rem;
  }

  .catalog-feature-visual {
    min-height: 156px;
    max-height: 210px;
  }

  .catalog-feature-visual img {
    max-height: 184px;
    padding: 8px;
  }

  .gallery-swiper img {
    aspect-ratio: 1 / 1;
  }

  .gallery-swiper .swiper-wrapper {
    grid-auto-columns: minmax(188px, 88%);
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .trust-marquee-track {
    animation: none;
  }
}
