:root {
  --color-primary: #e31e24;
  --color-primary-hover: #c41a1f;
  --color-dark: #1a1a2e;
  --color-dark-2: #232638;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f5f5;
  --color-border: #e5e5e5;
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-text-soft: #999999;
  --color-text-inverse: #ffffff;

  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-size-body: 16px;
  --font-size-meta: 14px;
  --font-size-h4: 20px;
  --font-size-h3: 24px;
  --font-size-h2: 34px;
  --font-size-h1: 52px;
  --line-height-body: 1.7;
  --line-height-heading: 1.2;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.14);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 600ms ease;

  --container-max: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at top, rgba(227, 30, 36, 0.08), transparent 30%),
    linear-gradient(180deg, #f7f8fb 0%, #eef1f6 100%);
  min-width: 320px;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.stack {
  display: grid;
  gap: 16px;
}

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

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

.bracket {
  color: var(--color-primary);
}

.h3,
.h4 {
  margin: 0;
  color: var(--color-text-inverse);
}

.h3 {
  font-size: 22px;
  line-height: 1.2;
}

.h4 {
  font-size: 18px;
  line-height: 1.2;
}

.meta {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section {
  padding: 88px 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(245, 247, 250, 0.92));
}

.section--dark {
  background:
    linear-gradient(180deg, rgba(26, 26, 46, 0.98), rgba(35, 38, 56, 0.98)),
    linear-gradient(135deg, rgba(227, 30, 36, 0.12), transparent 45%);
  color: var(--color-text-inverse);
}

.section__eyebrow,
.hero__eyebrow,
.feature-card__meta {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section__eyebrow,
.hero__eyebrow {
  color: var(--color-primary);
  font-weight: 700;
}

.section__title {
  margin: 0;
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1.15;
  color: inherit;
}

.section__subtitle {
  margin: 0;
  max-width: 72ch;
  color: inherit;
  opacity: 0.82;
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

.grid--sidebar {
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.85fr);
  align-items: start;
}

.grid--media {
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: start;
  gap: 32px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
}

.site-header__topbar {
  background: rgba(26, 26, 46, 0.96);
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__topbar-inner,
.site-header__main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-header__topbar-inner {
  min-height: 42px;
}

.site-header__main {
  background: linear-gradient(180deg, rgba(18, 20, 34, 0.96), rgba(24, 27, 44, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

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

.brand__mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background:
    linear-gradient(135deg, var(--color-primary), #ff6b6f);
  box-shadow: 0 10px 24px rgba(227, 30, 36, 0.35);
  position: relative;
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-left-color: transparent;
  transform: skewX(-10deg);
}

.brand__text {
  display: grid;
  gap: 2px;
}

.brand__name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand__tagline {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
}

.nav-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 18px 14px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav__item.is-active > .site-nav__link,
.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: #fff;
}

.site-nav__item.is-active > .site-nav__link {
  position: relative;
}

.site-nav__item.is-active > .site-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 10px;
  height: 2px;
  background: var(--color-primary);
}

.site-nav__caret {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
}

.site-nav__dropdown,
.mega-menu {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 240px;
  padding-top: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.site-nav__item:hover .site-nav__dropdown,
.site-nav__item:hover .mega-menu,
.site-nav__item:focus-within .site-nav__dropdown,
.site-nav__item:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-list,
.mega-menu__list {
  list-style: none;
  margin: 0;
  padding: 12px;
  background: rgba(18, 20, 34, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
}

.dropdown-list a,
.mega-menu__link {
  display: block;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.86);
  border-radius: 8px;
}

.dropdown-list a:hover,
.mega-menu__link:hover {
  background: rgba(227, 30, 36, 0.14);
  color: #fff;
}

.mega-menu {
  min-width: 720px;
}

.mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
  background: rgba(18, 20, 34, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
}

.mega-menu__panel {
  padding: 8px;
}

.mega-menu__title {
  color: #fff;
  font-weight: 700;
  margin: 0 0 10px;
  padding: 0 12px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  overflow: hidden;
}

.header-search input {
  width: 220px;
  padding: 11px 14px;
  border: 0;
  outline: 0;
  background: transparent;
  color: #fff;
}

.header-search input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.header-search button,
.btn {
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.header-search button {
  padding: 11px 16px;
  background: var(--color-primary);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(227, 30, 36, 0.22);
}

.btn:hover,
.btn:focus-visible,
.header-search button:hover,
.header-search button:focus-visible {
  background: var(--color-primary-hover);
}

.btn--ghost,
.btn--secondary {
  background: transparent;
  color: inherit;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: none;
}

.section--alt .btn--secondary,
.section:not(.section--dark) .btn--secondary {
  border-color: rgba(26, 26, 46, 0.18);
  color: var(--color-text);
}

.btn--sm {
  padding: 10px 16px;
}

.btn--block {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  align-items: center;
  justify-content: center;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.hero {
  position: relative;
  overflow: hidden;
  background: #0f1220;
}

.hero__slider {
  position: relative;
}

.hero__slides {
  position: relative;
  min-height: 760px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.hero-slide__media {
  position: absolute;
  inset: 0;
}

.hero-slide__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 12, 20, 0.88) 0%, rgba(10, 12, 20, 0.62) 42%, rgba(10, 12, 20, 0.28) 100%),
    linear-gradient(180deg, rgba(10, 12, 20, 0.18), rgba(10, 12, 20, 0.46));
}

.hero-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide__content {
  position: relative;
  z-index: 1;
  min-height: 760px;
  display: flex;
  align-items: center;
  color: #fff;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 32px;
  align-items: center;
}

.hero__copy {
  max-width: 760px;
}

.hero__title {
  margin: 14px 0 16px;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  margin: 0;
  max-width: 66ch;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__panel {
  display: grid;
  gap: 18px;
}

.feature-card,
.product-card,
.form-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}

.feature-card,
.form-card {
  padding: 24px;
}

.feature-card__meta {
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card__title {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  color: var(--color-text);
}

.feature-card__text {
  margin: 12px 0 0;
  color: var(--color-text-muted);
}

.hero-controls {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.slider-controls {
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.28);
}

.slider-dot.is-active {
  width: 34px;
  background: var(--color-primary);
}

.slider-arrow {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 26px;
  line-height: 1;
}

.product-card {
  overflow: hidden;
  display: grid;
  color: inherit;
}

.product-card__media {
  aspect-ratio: 1.15 / 0.9;
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card__body {
  padding: 22px;
}

.product-card:hover,
.product-card:focus-visible,
.feature-card:hover,
.form-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.product-card:hover .product-card__media img {
  transform: scale(1.05);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.tabs__button {
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
  color: inherit;
}

.tabs__button.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.contact-list {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.contact-list__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(227, 30, 36, 0.14);
  color: var(--color-primary);
  font-weight: 800;
  flex: 0 0 auto;
}

.contact-list__label {
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-list__value {
  color: rgba(255, 255, 255, 0.78);
}

.section--alt .contact-list,
.section:not(.section--dark) .contact-list {
  border-bottom-color: rgba(26, 26, 46, 0.08);
}

.section--alt .contact-list__value,
.section:not(.section--dark) .contact-list__value {
  color: var(--color-text-muted);
}

.form-card label {
  display: block;
}

.form-card input,
.form-card textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  outline: 0;
}

.form-card input:focus,
.form-card textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.12);
}

.footer {
  padding: 72px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.7fr 1fr;
  gap: 28px;
}

.footer__links,
.footer__contact {
  display: grid;
  gap: 12px;
}

.footer__links a,
.footer__contact a,
.footer__bottom a {
  color: rgba(255, 255, 255, 0.76);
}

.footer__links a:hover,
.footer__contact a:hover,
.footer__bottom a:hover,
.footer__social a:hover {
  color: #fff;
}

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

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__social a:hover {
  background: rgba(255, 255, 255, 0.14);
}

.footer__bottom {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.mobile-dock {
  display: none;
}

@media (max-width: 1180px) {
  .grid--4,
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--sidebar,
  .grid--media,
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .mega-menu {
    min-width: 560px;
  }
}

@media (max-width: 920px) {
  .nav-wrap {
    justify-content: flex-end;
  }

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

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    background: rgba(18, 20, 34, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
    display: none;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__link {
    justify-content: space-between;
    padding: 14px 12px;
  }

  .site-nav__dropdown,
  .mega-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding-top: 0;
    min-width: 0;
    margin-top: 8px;
  }

  .mega-menu__grid {
    grid-template-columns: 1fr;
  }

  .header-search {
    display: none;
  }

  .hero__slides,
  .hero-slide__content {
    min-height: 680px;
  }

  .hero-controls {
    width: calc(100% - 32px);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 24px), var(--container-max));
  }

  .section {
    padding: 64px 0;
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: clamp(34px, 10vw, 48px);
  }

  .hero__subtitle,
  .section__subtitle {
    font-size: 16px;
  }

  .hero__slides,
  .hero-slide__content {
    min-height: 720px;
  }

  .hero-controls {
    flex-direction: column;
    align-items: flex-start;
    bottom: 18px;
  }

  .footer__bottom-inner,
  .site-header__topbar-inner,
  .site-header__main .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-dock {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(18, 20, 34, 0.96);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
  }

  .mobile-dock__inner {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
  }

  .mobile-dock__item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.76);
    background: rgba(255, 255, 255, 0.05);
    font-size: 13px;
    font-weight: 600;
  }

  .mobile-dock__item.is-active {
    background: var(--color-primary);
    color: #fff;
  }

  body {
    padding-bottom: 78px;
  }
}

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

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