@font-face {
  font-family: "Gramatika Regular";
  src: url("assets/fonts/Gramatika-Regular.otf") format("opentype"),
       url("Gramatika Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-primary: #05080C;
  --bg-elevated: #0A0D12;
  --bg-card: #0E1218;
  --bg-header-scrolled: rgba(5, 8, 12, 0.86);
  --accent-deep: #FF0000;
  --accent-bright: #FF0000;
  --text-primary: #E8F1F5;
  --text-secondary: rgba(232, 241, 245, 0.74);
  --text-muted: rgba(232, 241, 245, 0.5);
  --border-subtle: rgba(232, 241, 245, 0.14);
  --border-accent: rgba(255, 0, 0, 0.55);
  --header-height: 76px;
  --container-max: 1360px;
  --font-main: "Gramatika Regular", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-weight: 400;
  font-style: normal;
  font-synthesis: none;
}

html {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-weight: 400;
  font-style: normal;
  font-synthesis: none;
  line-height: 1.55;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

/* Убираем любой жирный или курсив в стандартных тегах */
h1, h2, h3, h4, h5, h6,
strong, b, em, i, th, button, input, textarea, select, label, svg text {
  font-family: var(--font-main);
  font-weight: 400;
  font-style: normal;
  font-synthesis: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 1px solid var(--accent-bright);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 2000;
  background: var(--bg-card);
  color: var(--accent-bright);
  padding: 10px 16px;
  border: 1px solid var(--accent-bright);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 40px;
  }
}

@media (min-width: 1200px) {
  .container {
    padding: 0 56px;
  }
}

/* Шапка */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

.site-header.is-scrolled {
  background-color: var(--bg-header-scrolled);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-subtle);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  font-size: 1.25rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-primary);
  padding: 6px 0;
}

.brand-logo:hover {
  color: var(--accent-bright);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-list {
  display: none;
  list-style: none;
  align-items: center;
  gap: 28px;
}

@media (min-width: 960px) {
  .nav-list {
    display: flex;
  }
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 8px 0;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--accent-bright);
}

.nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-subtle);
  background: rgba(10, 13, 18, 0.65);
  border-radius: 2px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.lang-btn.is-active {
  color: var(--text-primary);
  background: var(--accent-bright);
}

.burger-btn {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: rgba(10, 13, 18, 0.65);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  color: var(--text-primary);
}

@media (min-width: 960px) {
  .burger-btn {
    display: none;
  }
}

.burger-line {
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Мобильное меню */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 8, 12, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 24px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  display: block;
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-link.is-active,
.mobile-nav-link:hover {
  color: var(--accent-bright);
  border-bottom-color: var(--accent-bright);
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 48px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-media-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--bg-primary);
}

.hero-media-wrap video,
.hero-media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(5, 8, 12, 0.68) 0%, rgba(5, 8, 12, 0.34) 38%, rgba(5, 8, 12, 0.84) 78%, #05080C 100%),
    radial-gradient(circle at 50% 35%, rgba(255, 0, 0, 0.08) 0%, rgba(5, 8, 12, 0.58) 75%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 16px;
  padding: 6px 12px;
  border: 1px solid var(--border-accent);
  background: rgba(5, 8, 12, 0.65);
}

.hero-title {
  font-size: clamp(3.25rem, 10vw, 7.5rem);
  line-height: 0.96;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-subtitle {
  max-width: 760px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn-primary {
  background-color: rgba(232, 241, 245, 0.1);
  border-color: rgba(232, 241, 245, 0.32);
  color: var(--text-primary);
}

.btn-primary:hover {
  background-color: rgba(232, 241, 245, 0.18);
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.btn-outline {
  background-color: rgba(5, 8, 12, 0.6);
  border-color: rgba(232, 241, 245, 0.22);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 640px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .hero-stats {
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
  }
}

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

.stat-value {
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  letter-spacing: 0.04em;
  color: var(--accent-bright);
}

.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

/* Общие секции */
.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: var(--header-height);
}

@media (min-width: 1024px) {
  .section {
    padding: 132px 0;
  }
}

.section-header {
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.section-subtitle {
  max-width: 780px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-secondary);
}

/* Медиаблоки внутри секций */
.media-frame {
  position: relative;
  width: 100%;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.media-frame video,
.media-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.media-caption {
  padding: 14px 18px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
}

/* Секция: Об инсталляции */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }
}

.about-text-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-lead {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--text-primary);
  padding-left: 16px;
  border-left: 2px solid var(--accent-bright);
}

.about-paragraph {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.specs-mini-box {
  margin-top: 48px;
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 28px 32px;
}

.specs-mini-title {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 24px;
  text-align: center;
}

.specs-mini-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .specs-mini-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .specs-mini-list {
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--border-subtle);
    padding-top: 20px;
  }
}

.specs-mini-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(232, 241, 245, 0.08);
  font-size: 0.92rem;
}

.specs-mini-row:last-child {
  border-bottom: none;
}

@media (min-width: 1024px) {
  .specs-mini-row {
    border-bottom: none;
    border-right: 1px solid rgba(232, 241, 245, 0.1);
    padding: 4px 18px;
  }

  .specs-mini-row:last-child {
    border-right: none;
  }
}

.specs-mini-param {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.specs-mini-val {
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.4;
}

/* Секция: Версии */
.versions-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

@media (min-width: 900px) {
  .versions-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

.version-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.version-card.is-active {
  border-color: var(--accent-bright);
  background-color: rgba(255, 0, 0, 0.08);
}

.version-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.version-badge {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  padding: 4px 10px;
  border: 1px solid var(--border-accent);
}

.version-card-title {
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.version-card-summary {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.55;
}

.version-card-paragraphs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.version-features {
  list-style: none;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.version-features li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.version-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-bright);
}

.version-switcher-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px 20px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.switcher-label {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.switcher-buttons {
  display: inline-flex;
  gap: 10px;
}

.switcher-btn {
  padding: 10px 24px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.25s ease;
}

.switcher-btn.is-active {
  background-color: var(--accent-bright);
  border-color: var(--accent-bright);
  color: var(--text-primary);
}

.contours-block {
  margin-top: 48px;
}

/* Секция: Как это работает */
.how-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .how-layout {
    grid-template-columns: 6fr 6fr;
    gap: 56px;
    align-items: start;
  }
}

.steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-number {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

.step-title {
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.step-text {
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.lidar-callout {
  margin-top: 16px;
  padding: 24px;
  background: rgba(255, 0, 0, 0.08);
  border: 1px solid var(--border-accent);
}

.lidar-callout-title {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 10px;
}

.lidar-callout-text {
  font-size: 0.94rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.chains-stack {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chain-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 18px 20px;
}

.chain-label {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 8px;
}

.chain-flow {
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Схема расположения оборудования */
.diagram-block {
  margin-bottom: 64px;
}

.diagram-card {
  background-color: #F3F4F6;
  border: 1px solid var(--border-subtle);
  padding: 28px 20px 24px;
  overflow-x: auto;
}

@media (min-width: 768px) {
  .diagram-card {
    padding: 36px 32px 28px;
  }
}

.diagram-svg {
  display: block;
  width: 100%;
  max-width: 980px;
  height: auto;
  margin: 0 auto;
}

.diagram-caption {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Секция: Детали */
.details-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 64px;
}

@media (min-width: 640px) {
  .details-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .details-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.detail-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 16px;
}

.detail-card-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 92px;
}

.detail-card-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.detail-card-value {
  font-size: 1.4rem;
  line-height: 1.25;
  letter-spacing: 0.03em;
  color: var(--accent-bright);
}

.detail-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Таблицы технических данных */
.tables-stack {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.table-section-title {
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.table-section-note {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
  max-width: 920px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
  vertical-align: top;
}

.spec-table th {
  background-color: rgba(255, 0, 0, 0.12);
  color: var(--accent-bright);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table td:first-child {
  color: var(--text-primary);
  width: 32%;
}

.spec-table td:not(:first-child) {
  color: var(--text-secondary);
}

/* Секция: Контакты */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 960px) {
  .contacts-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }
}

.contact-info-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-group-label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.contact-email-link {
  display: inline-block;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  letter-spacing: 0.04em;
  color: var(--accent-bright);
  border-bottom: 1px solid var(--border-accent);
  padding-bottom: 4px;
}

.contact-email-link:hover {
  color: var(--text-primary);
  border-bottom-color: var(--text-primary);
}

.socials-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 0.95rem;
}

.social-link:hover {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
}

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

.contact-form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 32px;
}

.form-title {
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 12px 14px;
  font-size: 0.95rem;
  border-radius: 0;
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(255, 0, 0, 0.12);
  border: 1px solid var(--border-accent);
  color: var(--accent-bright);
  font-size: 0.88rem;
  display: none;
}

.form-status.is-visible {
  display: block;
}

/* Футер */
.site-footer {
  padding: 40px 0;
  background-color: var(--bg-primary);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  font-size: 1.35rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.gif-mode-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.gif-mode-btn.is-active,
.gif-mode-btn:hover {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
}

/* Анимация плавного появления и оптического мерцания текстов */
@keyframes causticLetterShimmer {
  0%, 100% {
    opacity: 0.66;
    color: var(--text-primary);
    text-shadow: 0 0 0 rgba(255, 255, 255, 0);
  }
  50% {
    opacity: 1;
    color: #FFFFFF;
    text-shadow:
      0 0 12px rgba(255, 255, 255, 0.36),
      0 0 22px rgba(255, 0, 0, 0.16);
  }
}

@keyframes heroWordAppear {
  0% {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes heroWordWave {
  0%, 100% {
    opacity: 0.68;
    color: var(--text-secondary);
    text-shadow: 0 0 0 rgba(255, 255, 255, 0);
  }
  50% {
    opacity: 1;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.28);
  }
}

@keyframes leadBorderPulse {
  0%, 100% {
    border-left-color: rgba(255, 0, 0, 1);
    box-shadow: -4px 0 12px -4px rgba(255, 0, 0, 0.35);
  }
  50% {
    border-left-color: rgba(255, 0, 0, 0.45);
    box-shadow: -4px 0 4px -4px rgba(255, 0, 0, 0.05);
  }
}

.char-shimmer {
  display: inline-block;
  will-change: opacity, text-shadow;
  animation: causticLetterShimmer 4.6s ease-in-out infinite;
  animation-delay: calc(var(--char-idx, 0) * 0.14s);
}

.hero-word-reveal {
  display: inline-block;
  opacity: 0;
  will-change: opacity, transform, filter, text-shadow;
  animation:
    heroWordAppear 0.75s cubic-bezier(0.22, 1, 0.36, 1) forwards,
    heroWordWave 4.8s ease-in-out infinite;
  animation-delay:
    calc(0.1s + var(--word-idx, 0) * 0.07s),
    calc(1.1s + var(--word-idx, 0) * 0.16s);
}

.about-lead {
  animation: leadBorderPulse 4.5s ease-in-out infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(4px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
  .char-shimmer,
  .hero-word-reveal,
  .about-lead {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
    text-shadow: none !important;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}