@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

.how-long-page {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  overflow-x: hidden;
  color: #172033;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.how-long-page .how-long-shell,
.how-long-page .how-long-shell *,
.how-long-page .how-long-shell *::before,
.how-long-page .how-long-shell *::after {
  box-sizing: border-box;
}

.how-long-page .how-long-shell {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 48px 20px;
}

.how-long-page .how-long-header {
  max-width: 780px;
  margin: 0 auto 28px;
  text-align: center;
}

.how-long-page .how-long-title {
  margin: 0;
  color: #111827;
  font-size: 44px;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: 0;
}

.how-long-page .how-long-subtitle {
  margin: 14px auto 0;
  color: #5b6475;
  font-size: 17px;
  line-height: 1.65;
  font-weight: 450;
}

.how-long-page .how-long-tool {
  max-width: 940px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid #dbe3f0;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
  box-shadow: 0 24px 70px rgba(30, 41, 59, 0.12);
}

.how-long-page .how-long-topline {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 24px;
  text-align: center;
}

.how-long-page .how-long-kicker {
  margin: 0 0 7px;
  color: #4f64d8;
  font-size: 12px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.how-long-page .how-long-target-label {
  margin: 0;
  color: #101828;
  font-size: 28px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: 0;
}

.how-long-page .how-long-countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 22px;
}

.how-long-page .how-long-unit {
  min-width: 0;
  padding: 22px 16px;
  border: 1px solid #dde6f4;
  border-radius: 18px;
  background: #ffffff;
  text-align: center;
  box-shadow: 0 12px 32px rgba(37, 56, 88, 0.08);
}

.how-long-page .how-long-number {
  display: block;
  color: #172033;
  font-variant-numeric: tabular-nums;
  font-size: 48px;
  line-height: 1;
  font-weight: 850;
  letter-spacing: 0;
}

.how-long-page .how-long-unit-label {
  display: block;
  margin-top: 10px;
  color: #647084;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.how-long-page .how-long-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 24px;
  padding: 14px;
  border: 1px solid #e3e9f3;
  border-radius: 16px;
  background: #f7f9fd;
}

.how-long-page .how-long-detail {
  min-width: 0;
  padding: 10px;
}

.how-long-page .how-long-detail dt {
  margin: 0 0 5px;
  color: #697589;
  font-size: 11px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.how-long-page .how-long-detail dd {
  margin: 0;
  color: #1c2638;
  font-size: 15px;
  line-height: 1.35;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.how-long-page .how-long-controls {
  display: grid;
  grid-template-columns: auto minmax(150px, 190px) 1fr;
  gap: 14px;
  align-items: end;
}

.how-long-page .how-long-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.how-long-page .how-long-fieldset legend,
.how-long-page .how-long-input-wrap label {
  display: block;
  margin: 0 0 8px;
  color: #394255;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 750;
}

.how-long-page .how-long-segmented {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(54px, 1fr));
  padding: 4px;
  border: 1px solid #d8e1ee;
  border-radius: 14px;
  background: #eef3fb;
}

.how-long-page .how-long-segment {
  min-height: 42px;
  padding: 9px 16px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #364156;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.how-long-page .how-long-segment.is-active {
  background: #ffffff;
  color: #334bdc;
  box-shadow: 0 8px 20px rgba(36, 54, 120, 0.12);
}

.how-long-page .how-long-input-wrap {
  min-width: 0;
}

.how-long-page .how-long-time-input {
  width: 100%;
  min-height: 50px;
  padding: 0 13px;
  border: 1px solid #cad6e7;
  border-radius: 14px;
  background: #ffffff;
  color: #152033;
  font: inherit;
  font-size: 16px;
  font-weight: 750;
}

.how-long-page .how-long-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.how-long-page .how-long-button {
  min-height: 50px;
  padding: 0 15px;
  border: 1px solid #cfd9ea;
  border-radius: 14px;
  background: #ffffff;
  color: #253044;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(37, 56, 88, 0.06);
}

.how-long-page .how-long-button-primary {
  border-color: #3f56dc;
  background: #3f56dc;
  color: #ffffff;
}

.how-long-page .how-long-button-secondary {
  background: #f8fafc;
}

.how-long-page .how-long-button:hover,
.how-long-page .how-long-segment:hover {
  transform: translateY(-1px);
}

.how-long-page .how-long-button:focus-visible,
.how-long-page .how-long-segment:focus-visible,
.how-long-page .how-long-time-input:focus-visible {
  outline: 3px solid rgba(79, 100, 216, 0.32);
  outline-offset: 3px;
}

.how-long-page .how-long-status {
  min-height: 22px;
  margin: 18px 0 0;
  color: #4e5a70;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 650;
  text-align: center;
}

.how-long-page .how-long-status.is-error {
  color: #b42318;
}

.how-long-page .how-long-status.is-success {
  color: #166534;
}

@media (prefers-reduced-motion: reduce) {
  .how-long-page .how-long-button,
  .how-long-page .how-long-segment {
    transition: none;
  }

  .how-long-page .how-long-button:hover,
  .how-long-page .how-long-segment:hover {
    transform: none;
  }
}

@media (min-width: 320px) and (max-width: 374px) {
  .how-long-page .how-long-shell {
    padding: 28px 12px;
  }

  .how-long-page .how-long-title {
    font-size: 30px;
  }

  .how-long-page .how-long-subtitle {
    font-size: 14px;
    line-height: 1.55;
  }

  .how-long-page .how-long-tool {
    padding: 18px;
    border-radius: 18px;
  }

  .how-long-page .how-long-target-label {
    font-size: 23px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  .how-long-page .how-long-unit {
    padding: 15px 8px;
    border-radius: 14px;
  }

  .how-long-page .how-long-number {
    font-size: 34px;
  }

  .how-long-page .how-long-details,
  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
  }

  .how-long-page .how-long-button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .how-long-page .how-long-button,
  .how-long-page .how-long-time-input {
    width: 100%;
    min-height: 48px;
    font-size: 14px;
  }
}

@media (min-width: 375px) and (max-width: 429px) {
  .how-long-page .how-long-shell {
    padding: 32px 14px;
  }

  .how-long-page .how-long-title {
    font-size: 34px;
  }

  .how-long-page .how-long-subtitle {
    font-size: 15px;
  }

  .how-long-page .how-long-tool {
    padding: 20px;
    border-radius: 20px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .how-long-page .how-long-unit {
    padding: 17px 10px;
  }

  .how-long-page .how-long-number {
    font-size: 38px;
  }

  .how-long-page .how-long-details,
  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
  }

  .how-long-page .how-long-button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .how-long-page .how-long-button,
  .how-long-page .how-long-time-input {
    width: 100%;
    min-height: 48px;
  }
}

@media (min-width: 430px) and (max-width: 767px) {
  .how-long-page .how-long-shell {
    padding: 36px 16px;
  }

  .how-long-page .how-long-title {
    font-size: 38px;
  }

  .how-long-page .how-long-subtitle {
    font-size: 16px;
  }

  .how-long-page .how-long-tool {
    padding: 24px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .how-long-page .how-long-unit {
    padding: 19px 12px;
  }

  .how-long-page .how-long-number {
    font-size: 42px;
  }

  .how-long-page .how-long-details {
    grid-template-columns: 1fr;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
  }

  .how-long-page .how-long-button-row {
    justify-content: stretch;
  }

  .how-long-page .how-long-button {
    flex: 1 1 calc(50% - 10px);
    min-width: 150px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .how-long-page .how-long-shell {
    padding: 44px 22px;
  }

  .how-long-page .how-long-title {
    font-size: 42px;
  }

  .how-long-page .how-long-subtitle {
    font-size: 17px;
  }

  .how-long-page .how-long-tool {
    padding: 30px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .how-long-page .how-long-unit {
    padding: 20px 12px;
  }

  .how-long-page .how-long-number {
    font-size: 44px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: auto minmax(150px, 180px) 1fr;
  }

  .how-long-page .how-long-button {
    min-height: 48px;
    padding-inline: 13px;
  }
}

@media (min-width: 1024px) {
  .how-long-page .how-long-shell {
    padding: 56px 24px;
  }

  .how-long-page .how-long-title {
    font-size: 48px;
  }

  .how-long-page .how-long-subtitle {
    font-size: 18px;
  }

  .how-long-page .how-long-tool {
    padding: 38px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .how-long-page .how-long-unit {
    padding: 24px 18px;
  }

  .how-long-page .how-long-number {
    font-size: 54px;
  }

  .how-long-page .how-long-button {
    min-height: 52px;
  }
}