:root {
  --ink: #050706;
  --paper: #f6f7f7;
  --blue: #7386ff;
  --line: rgba(255, 255, 255, 0.23);
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: "Helvetica Neue", Inter, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.campaign {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink);
}

.campaign-image,
.campaign-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.campaign-image {
  z-index: -3;
  object-fit: cover;
  object-position: center;
}

.campaign-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(1, 4, 3, 0.9) 0%, rgba(1, 4, 3, 0.63) 42%, rgba(1, 4, 3, 0.06) 75%),
    linear-gradient(0deg, rgba(1, 3, 2, 0.96) 0%, rgba(1, 3, 2, 0.62) 38%, rgba(1, 3, 2, 0.05) 73%),
    radial-gradient(circle at 87% 25%, transparent 0%, rgba(1, 4, 3, 0.22) 62%, rgba(1, 4, 3, 0.72) 100%);
}

.campaign-inner {
  width: min(1540px, 100%);
  height: 100%;
  margin-inline: auto;
  padding: clamp(24px, 4.2vh, 50px) clamp(24px, 5vw, 78px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.campaign-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.calibrex-logo {
  display: block;
  width: clamp(180px, 17vw, 280px);
  height: auto;
  object-fit: contain;
}

.tester-badge {
  padding: clamp(11px, 1.6vh, 17px) clamp(20px, 3vw, 46px);
  border-radius: 999px;
  background: var(--blue);
  color: #050505;
  font-size: clamp(11px, 1.15vw, 17px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.campaign-copy {
  width: min(920px, 100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

h1 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(58px, min(8.7vw, 11.5vh), 134px);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.075em;
  text-transform: uppercase;
  text-wrap: balance;
}

h1 span {
  display: inline-block;
  margin-left: 0.04em;
  padding: 0.01em 0.14em 0.035em;
  border-radius: 0.16em;
  background: var(--blue);
  color: #050505;
  letter-spacing: -0.065em;
}

.campaign-lead {
  width: min(880px, 100%);
  margin: clamp(15px, 2.3vh, 25px) 0 0;
  color: rgba(246, 247, 247, 0.92);
  font-size: clamp(16px, min(1.75vw, 2.35vh), 25px);
  font-weight: 500;
  line-height: 1.34;
  text-wrap: balance;
}

.campaign-steps {
  width: min(880px, 100%);
  margin: clamp(14px, 2vh, 22px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  list-style: none;
}

.campaign-steps li {
  padding: clamp(10px, 1.4vh, 14px) clamp(8px, 1.3vw, 18px);
  display: flex;
  align-items: center;
  gap: 9px;
  border-right: 1px solid var(--line);
  font-size: clamp(11px, min(1.12vw, 1.6vh), 16px);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
}

.campaign-steps li:first-child { padding-left: 0; }
.campaign-steps li:last-child { border-right: 0; }

.campaign-steps li span {
  color: var(--blue);
  font-size: 0.72em;
  letter-spacing: 0.08em;
}

.session-details {
  margin: clamp(10px, 1.45vh, 15px) 0;
  color: rgba(246, 247, 247, 0.68);
  font-size: clamp(10px, min(1vw, 1.35vh), 14px);
  font-weight: 600;
  line-height: 1.3;
  text-wrap: balance;
}

.claim-button {
  width: min(880px, 100%);
  padding: clamp(15px, 2vh, 22px) clamp(22px, 3vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-radius: 999px;
  background: var(--blue);
  color: #050505;
  font-size: clamp(17px, min(1.8vw, 2.35vh), 27px);
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background-color 180ms ease;
}

.claim-button:hover {
  transform: translateY(-2px);
  background: #8b9aff;
}

.claim-button:focus-visible {
  outline: 3px solid var(--paper);
  outline-offset: 4px;
}

.claim-button span:last-child {
  font-size: 1.35em;
  line-height: 0.7;
}

@media (max-width: 720px) {
  .campaign-image { object-position: 68% center; }

  .campaign-shade {
    background:
      linear-gradient(0deg, rgba(1, 3, 2, 0.98) 0%, rgba(1, 3, 2, 0.78) 45%, rgba(1, 3, 2, 0.12) 78%),
      linear-gradient(90deg, rgba(1, 3, 2, 0.52) 0%, transparent 75%);
  }

  .campaign-inner {
    padding: 20px 18px 22px;
    gap: 14px;
  }

  .campaign-header { align-items: flex-start; }
  .calibrex-logo { width: clamp(146px, 40vw, 190px); }

  .tester-badge {
    padding: 10px 14px;
    font-size: 9px;
    letter-spacing: 0.12em;
  }

  .campaign-copy { width: 100%; }

  h1 {
    font-size: clamp(48px, min(14.8vw, 8.8vh), 76px);
    line-height: 0.87;
  }

  .campaign-lead {
    margin-top: 13px;
    font-size: clamp(13px, min(4vw, 2vh), 17px);
    line-height: 1.3;
  }

  .campaign-steps {
    margin-top: 12px;
  }

  .campaign-steps li {
    min-width: 0;
    padding: 9px 6px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    font-size: clamp(8px, 2.6vw, 11px);
  }

  .campaign-steps li:first-child { padding-left: 0; }

  .session-details {
    margin-block: 9px;
    font-size: clamp(8px, 2.3vw, 10px);
  }

  .claim-button {
    padding: 14px 20px;
    font-size: 16px;
  }
}

@media (max-height: 680px) {
  .campaign-inner { padding-block: 16px; }
  .tester-badge { padding-block: 9px; }
  h1 { font-size: clamp(44px, 10.5vh, 72px); }
  .campaign-lead { margin-top: 9px; font-size: 13px; }
  .campaign-steps { margin-top: 8px; }
  .campaign-steps li { padding-block: 7px; }
  .session-details { margin-block: 6px; font-size: 8.5px; }
  .claim-button { padding-block: 11px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}