* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #06080f;
  color: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(30, 180, 144, 0.22), transparent 32%),
    radial-gradient(circle at 85% 20%, rgba(16, 108, 176, 0.22), transparent 30%),
    linear-gradient(135deg, #06080f 0%, #101826 46%, #08140f 100%);
}

.hero {
  width: min(1120px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 36px;
  padding: 42px 0;
}

.content {
  max-width: 660px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin: 0 0 18px;
  padding: 0 16px;
  border: 1px solid rgba(110, 231, 183, 0.28);
  border-radius: 999px;
  background: rgba(110, 231, 183, 0.1);
  color: #bbf7d0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  color: #ffffff;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.95;
  font-weight: 900;
}

.subtitle {
  max-width: 600px;
  margin: 24px 0 0;
  color: #d8e2ef;
  font-size: 20px;
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 900;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.primary {
  background: #2ee59d;
  color: #06120d;
  box-shadow: 0 18px 50px rgba(46, 229, 157, 0.28);
}

.primary:hover {
  background: #6bf0bd;
}

.secondary {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

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

.timer-card {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  padding: 28px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
}

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

.timer-label {
  margin: 0;
  color: #bbf7d0;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.timer-note {
  margin: 10px 0 0;
  color: #cbd5e1;
  font-size: 15px;
}

.timer-badge {
  width: 68px;
  height: 68px;
  flex: 0 0 68px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(110, 231, 183, 0.34);
  border-radius: 50%;
  background: rgba(110, 231, 183, 0.1);
  color: #dcfce7;
  font-size: 26px;
  font-weight: 900;
}

.progress {
  height: 12px;
  margin-top: 28px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: #2ee59d;
  transition: width 450ms ease;
}

.count-box {
  margin-top: 30px;
  padding: 24px;
  border-radius: 10px;
  background: #07100c;
}

.count {
  margin: 0;
  color: #ffffff;
  font-size: clamp(42px, 7vw, 62px);
  line-height: 1;
  font-weight: 900;
}

.count-copy {
  margin: 16px 0 0;
  color: #cbd5e1;
  font-size: 16px;
  line-height: 1.65;
}

.full {
  width: 100%;
  min-height: 50px;
  margin-top: 22px;
  background: #ffffff;
  color: #07100c;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.full:hover {
  background: #d1fae5;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 34px;
  }

  .subtitle {
    font-size: 18px;
  }
}

@media (max-width: 540px) {
  .hero {
    width: min(100% - 28px, 1120px);
    padding: 28px 0;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .timer-card {
    padding: 20px;
  }

  .timer-head {
    align-items: flex-start;
  }

  .timer-badge {
    width: 58px;
    height: 58px;
    flex-basis: 58px;
    font-size: 22px;
  }

  .count-box {
    padding: 20px;
  }
}