:root {
  --ink: #101418;
  --muted: #62707d;
  --paper: #f4f6f8;
  --white: #ffffff;
  --red: #d81820;
  --line: #dce3ea;
  --dark: #080c10;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(115deg, rgba(216, 24, 32, 0.08), transparent 42%),
    var(--paper);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.home {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

header,
main,
footer {
  padding-inline: clamp(18px, 5vw, 72px);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-block: 20px;
}

header img {
  width: 96px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
}

header span {
  color: var(--muted);
  font-weight: 800;
}

main {
  display: grid;
  align-content: center;
  gap: clamp(28px, 5vw, 58px);
  padding-block: 40px 70px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: clamp(28px, 5vw, 80px);
  align-items: end;
}

.kicker {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 980px;
  margin: 12px 0 0;
  font-size: clamp(46px, 9vw, 118px);
  line-height: 0.92;
}

.intro p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.version-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.version-card {
  position: relative;
  min-height: 430px;
  display: grid;
  align-content: end;
  overflow: hidden;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 24px 70px rgba(12, 20, 28, 0.17);
}

.version-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.version-card:hover img {
  transform: scale(1.04);
}

.version-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.12));
}

.version-content {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 4vw, 40px);
  color: #fff;
}

.version-number {
  position: absolute;
  right: clamp(22px, 4vw, 42px);
  top: clamp(20px, 4vw, 38px);
  display: grid;
  place-items: center;
  width: clamp(62px, 9vw, 104px);
  height: clamp(62px, 9vw, 104px);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
}

.version-content span {
  color: #ff9da1;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.version-content h2 {
  margin: 10px 0;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1;
}

.version-content p {
  max-width: 560px;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.75);
}

.version-content strong {
  display: inline-flex;
  padding: 12px 16px;
  background: var(--red);
  border-radius: 6px;
}

.selector-contact-card {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(280px, auto) auto;
  gap: 18px;
  align-items: center;
  padding: clamp(20px, 4vw, 34px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 60px rgba(12, 20, 28, 0.12);
}

.selector-contact-card h2,
.selector-contact-card p {
  margin: 0;
}

.selector-contact-card h2 {
  margin-bottom: 6px;
  font-size: clamp(26px, 4vw, 44px);
}

.selector-contact-card p {
  color: var(--muted);
}

.selector-contact-actions {
  display: grid;
  gap: 10px;
}

.selector-contact-actions a,
.selector-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.selector-contact-actions a {
  gap: 10px;
  color: var(--ink);
  font-weight: 900;
}

.selector-contact-actions svg,
.selector-socials svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.selector-socials {
  display: flex;
  gap: 10px;
}

.selector-socials a {
  width: 46px;
  height: 46px;
  color: #fff;
  background: var(--ink);
  border-radius: 50%;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-block: 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

footer a {
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 850px) {
  .intro,
  .version-grid,
  .selector-contact-card {
    grid-template-columns: 1fr;
  }

  .version-card {
    min-height: 360px;
  }

  footer {
    flex-direction: column;
  }
}