* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  --ink: #07113f;
  --accent: #0969ef;
  --line: #c7d1e5;
  margin: 0;
  background: #fbfdff;
  color: var(--ink);
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

.page {
  max-width: 1536px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  min-height: 98px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  text-decoration: none;
  font-size: clamp(1.5rem, 3.3vw, 3.3rem);
  letter-spacing: -0.045em;
  font-weight: 800;
  line-height: 1.1;
}

.sale-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 12px 23px;
  background: var(--ink);
  color: #fff;
  font-size: clamp(0.75rem, 1.35vw, 1.35rem);
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.015em;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease;
}

.sale-badge:hover {
  background: #122262;
  transform: translateY(-1px);
}

main {
  display: grid;
  grid-template-columns: minmax(0, 0.87fr) minmax(0, 1fr);
  gap: 2.75rem;
  padding: 30px 0 36px;
  align-items: center;
}

.copy {
  padding: 0 0 50px 22px;
}

h1 {
  font-size: clamp(3rem, 5.75vw, 5.5rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin: 0 0 32px;
}

h1 span {
  display: block;
}

.description {
  font-size: clamp(1.25rem, 2.3vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: -0.018em;
  margin: 0;
  max-width: 640px;
}

.availability {
  font-size: clamp(1.25rem, 2.6vw, 2.55rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  margin: 70px 0 28px;
  line-height: 1.18;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 86px;
  padding: 22px 36px;
  color: #fff;
  background: var(--accent);
  border-radius: 18px;
  text-decoration: none;
  font-size: clamp(1.1rem, 2.1vw, 2rem);
  line-height: 1.25;
  font-weight: 700;
  max-width: 100%;
  transition: transform 160ms ease, filter 160ms ease;
}

.cta:hover {
  filter: brightness(0.93);
  transform: translateY(-1px);
}

.arrow {
  font-size: 1.4em;
  line-height: 1;
}

.hero {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 22px;
  background: #dcecff;
  box-shadow: 0 16px 48px rgb(7 17 63 / 0.12);
}

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

footer {
  border-top: 1px solid var(--line);
  padding: 30px 22px;
  font-size: 1rem;
  line-height: 1.5;
  text-align: center;
  color: #3a4770;
}

footer a {
  font-weight: 700;
  text-underline-offset: 3px;
}

@media (min-width: 1600px) {
  .page {
    padding-top: 2vh;
  }
}

@media (max-width: 1000px) {
  .page {
    padding: 0 24px;
  }

  header {
    padding: 20px 0;
    min-height: 80px;
  }

  main {
    gap: 28px;
  }

  .copy {
    padding: 0;
  }

  .availability {
    margin-top: 36px;
  }

  .cta {
    min-height: 64px;
    padding: 18px 24px;
    border-radius: 12px;
    gap: 16px;
  }

  .description {
    line-height: 1.35;
  }

  .hero {
    border-radius: 16px;
  }

  footer {
    padding: 22px 0;
    font-size: 0.875rem;
  }
}

@media (max-width: 700px) {
  .page {
    padding: 0 20px;
  }

  header {
    min-height: 77px;
    gap: 12px;
  }

  .brand {
    font-size: 1.7rem;
  }

  .sale-badge {
    font-size: 0.6875rem;
    padding: 9px 11px;
    letter-spacing: 0;
  }

  main {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 0;
  }

  h1 {
    font-size: clamp(2.7rem, 8.6vw, 3.7rem);
    line-height: 1.05;
    margin-bottom: 22px;
    letter-spacing: -0.045em;
  }

  .description {
    font-size: 1.2rem;
    line-height: 1.4;
    letter-spacing: 0;
  }

  .availability {
    font-size: 1.25rem;
    margin: 27px 0 18px;
    letter-spacing: -0.02em;
  }

  .cta {
    width: 100%;
    font-size: 1.125rem;
    min-height: 60px;
  }

  footer {
    text-align: left;
    font-size: 0.8rem;
  }
}

@media (max-width: 370px) {
  header {
    flex-wrap: wrap;
  }

  .brand {
    font-size: 1.8rem;
  }

  .sale-badge {
    font-size: 0.65rem;
    padding: 8px;
  }

  h1 {
    font-size: 2.4rem;
  }
}
