:root {
  --bg: #f3f3f3;
  --surface: #ffffff;
  --text: #111111;
  --muted: #6f6f6f;
  --line: #e4e4e4;
  --accent: #e8192c;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --measure: 52rem;
}

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

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: min(calc(100% - 32px), var(--measure));
  margin-inline: auto;
  padding: 32px 0 48px;
}

.header,
.intro,
.products,
.footer {
  animation: rise 0.7s var(--ease) both;
}

.intro {
  animation-delay: 0.05s;
}

.products {
  animation-delay: 0.12s;
}

.footer {
  animation-delay: 0.18s;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header {
  margin-bottom: 28px;
}

.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  transition: opacity 0.2s var(--ease);
}

.header__brand:hover,
.header__brand:focus-visible {
  opacity: 0.8;
}

.header__brand-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1;
}

.header__brand-by {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.header__brand-name {
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: -0.01em;
}

.header__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition:
    transform 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.header__btn:hover,
.header__btn:focus-visible {
  transform: translateY(-1px);
  border-color: var(--text);
  color: var(--text);
}

.header__btn:active {
  transform: translateY(0);
}

.header__arrow,
.footer__arrow {
  transition: transform 0.25s var(--ease);
}

.header__btn:hover .header__arrow,
.header__btn:focus-visible .header__arrow,
.footer__link:hover .footer__arrow,
.footer__link:focus-visible .footer__arrow {
  transform: translate(2px, -2px);
}

.intro {
  margin-bottom: 28px;
}

.intro__card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 1)),
    var(--surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition:
    border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.intro__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(232, 25, 44, 0.45),
    transparent
  );
  opacity: 0.6;
}

.intro__card:hover,
.intro__card:focus-within {
  border-color: #d0d0d0;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.intro__glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 20%),
    rgba(232, 25, 44, 0.07),
    transparent 42%
  );
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

.intro__card:hover .intro__glow,
.intro__card:focus-within .intro__glow {
  opacity: 1;
}

.intro__inner {
  position: relative;
  padding: 28px 24px;
}

.intro__badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  animation: intro-rise 0.7s var(--ease) 0.1s both;
  transition:
    border-color 0.3s var(--ease),
    color 0.3s var(--ease);
}

.intro__card:hover .intro__badge,
.intro__card:focus-within .intro__badge {
  border-color: rgba(232, 25, 44, 0.25);
  color: var(--accent);
}

.intro__title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  animation: intro-rise 0.7s var(--ease) 0.18s both;
}

.intro__highlight {
  display: block;
  margin-top: 4px;
  background: linear-gradient(120deg, var(--text) 0%, #4a4a4a 55%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s linear infinite;
}

@keyframes shimmer {
  0% {
    background-position: 0% center;
  }

  100% {
    background-position: 200% center;
  }
}

.intro__text {
  font-size: 15px;
  line-height: 1.75;
}

.intro__line {
  margin: 0;
  color: var(--muted);
  animation: intro-line 0.8s var(--ease) both;
}

.intro__line:nth-child(1) {
  animation-delay: 0.28s;
}

.intro__line:nth-child(2) {
  animation-delay: 0.4s;
}

.intro__line + .intro__line {
  margin-top: 16px;
  padding-top: 16px;
  position: relative;
}

.intro__line + .intro__line::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

@keyframes intro-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes intro-line {
  from {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--text);
}

.products {
  flex: 1;
}

.products__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.products__label {
  margin: 0;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  position: relative;
  overflow: hidden;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 1)),
    var(--surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition:
    border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(232, 25, 44, 0.45),
    transparent
  );
  opacity: 0.6;
  z-index: 1;
}

.card:hover,
.card:focus-within {
  border-color: #d0d0d0;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.card__glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 20%),
    rgba(232, 25, 44, 0.07),
    transparent 42%
  );
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

.card:hover .card__glow,
.card:focus-within .card__glow {
  opacity: 1;
}

.card__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 340px;
  padding: 24px;
}

.card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.card__icon {
  width: 48px;
  height: 48px;
  transition: transform 0.3s var(--ease);
}

.card:hover .card__icon,
.card:focus-within .card__icon {
  transform: scale(1.08) rotate(-3deg);
}

.card__badge {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  transition:
    border-color 0.25s var(--ease),
    color 0.25s var(--ease);
}

.card:hover .card__badge,
.card:focus-within .card__badge {
  border-color: rgba(232, 25, 44, 0.25);
  color: var(--accent);
}

.card__title {
  margin: 0 0 4px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.card__tagline {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted);
}

.card__desc {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

.card__features {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card__features li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  color: var(--text);
  opacity: 0.7;
  transform: translateY(6px);
  transition:
    opacity 0.3s var(--ease),
    transform 0.3s var(--ease);
}

.card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  transform: scale(0);
  transition: transform 0.3s var(--ease);
}

.card:hover .card__features li,
.card:focus-within .card__features li {
  opacity: 1;
  transform: translateY(0);
}

.card:hover .card__features li::before,
.card:focus-within .card__features li::before {
  transform: scale(1);
}

.card__features li:nth-child(1) {
  transition-delay: 0.02s;
}

.card__features li:nth-child(2) {
  transition-delay: 0.06s;
}

.card__features li:nth-child(3) {
  transition-delay: 0.1s;
}

.card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.card__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition:
    transform 0.2s var(--ease),
    border-color 0.2s var(--ease),
    background-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.card__btn:hover,
.card__btn:focus-visible {
  transform: translateY(-1px);
  border-color: var(--text);
}

.card__btn:active {
  transform: translateY(0);
}

.card__btn--primary {
  border-color: var(--text);
  background: var(--text);
  color: #ffffff;
}

.card__btn--primary:hover,
.card__btn--primary:focus-visible {
  border-color: #000000;
  background: #000000;
}

.card__btn--secondary {
  background: transparent;
  color: var(--muted);
}

.card__btn--secondary:hover,
.card__btn--secondary:focus-visible {
  color: var(--text);
  background: rgba(0, 0, 0, 0.03);
}

.card__btn--chrome {
  flex: 1;
  justify-content: center;
  min-width: 0;
  gap: 8px;
  padding: 0 20px;
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  box-shadow:
    0 2px 8px rgba(232, 25, 44, 0.28),
    0 0 0 1px rgba(232, 25, 44, 0.12);
}

.card__btn--chrome:hover,
.card__btn--chrome:focus-visible {
  transform: translateY(-2px);
  border-color: #c91526;
  background: #c91526;
  color: #ffffff;
  box-shadow:
    0 8px 24px rgba(232, 25, 44, 0.35),
    0 0 0 1px rgba(232, 25, 44, 0.2);
}

.card__btn--chrome:hover .card__btn-arrow,
.card__btn--chrome:focus-visible .card__btn-arrow {
  transform: translate(2px, -2px);
}

.card__btn-arrow {
  transition: transform 0.25s var(--ease);
}

.card__btn--primary:hover .card__btn-arrow,
.card__btn--primary:focus-visible .card__btn-arrow,
.card__btn--secondary:hover .card__btn-arrow,
.card__btn--secondary:focus-visible .card__btn-arrow {
  transform: translateX(3px);
}

.footer {
  margin-top: auto;
  padding-top: 48px;
}

@media (prefers-reduced-motion: reduce) {
  .header,
  .intro,
  .products,
  .footer {
    animation: none;
  }

  .intro__highlight {
    animation: none;
    background: none;
    color: var(--text);
    -webkit-text-fill-color: currentColor;
  }

  .intro__badge,
  .intro__title,
  .intro__line {
    animation: none;
    filter: none;
  }

  .card__glow,
  .card__badge,
  .card__features li,
  .card__features li::before,
  .card__btn,
  .card__btn-arrow,
  .card__btn--chrome,
  .card__btn--secondary,
  .header__btn,
  .header__brand,
  .header__arrow,
  .footer__arrow {
    transition: none;
  }

  .card__features li {
    opacity: 1;
    transform: none;
  }

  .card__features li::before {
    transform: scale(1);
  }
}

@media (max-width: 640px) {
  .header__bar {
    padding: 12px 14px;
  }

  .intro__inner {
    padding: 22px 18px;
  }

  .products__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}