@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;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 58%, #f6f8fb 100%);
  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::before,
.how-long-page .how-long-header,
.how-long-page .how-long-title,
.how-long-page .how-long-subtitle,
.how-long-page .how-long-tool,
.how-long-page .how-long-tool-top,
.how-long-page .how-long-kicker,
.how-long-page .how-long-target,
.how-long-page .how-long-rule,
.how-long-page .how-long-countdown,
.how-long-page .how-long-unit,
.how-long-page .how-long-number,
.how-long-page .how-long-unit-label,
.how-long-page .how-long-info,
.how-long-page .how-long-info-item,
.how-long-page .how-long-info-label,
.how-long-page .how-long-info-value,
.how-long-page .how-long-status,
.how-long-page .how-long-controls,
.how-long-page .how-long-field,
.how-long-page .how-long-input-label,
.how-long-page .how-long-time-input,
.how-long-page .how-long-error,
.how-long-page .how-long-button {
  box-sizing: border-box;
}

.how-long-page .how-long-shell {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.how-long-page .how-long-header {
  text-align: center;
}

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

.how-long-page .how-long-subtitle {
  max-width: 680px;
  margin: 12px auto 0;
  color: #526071;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0;
}

.how-long-page .how-long-tool {
  width: 100%;
  margin: 0 auto;
  border: 1px solid #e1e7ef;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 70px rgba(20, 35, 60, 0.11);
}

.how-long-page .how-long-tool-top {
  text-align: center;
}

.how-long-page .how-long-kicker {
  color: #405dd8;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.how-long-page .how-long-target {
  margin: 8px 0 0;
  color: #111827;
  font-weight: 850;
  line-height: 1.02;
  letter-spacing: 0;
}

.how-long-page .how-long-rule {
  max-width: 720px;
  margin: 14px auto 0;
  color: #526071;
  font-weight: 500;
  line-height: 1.55;
}

.how-long-page .how-long-countdown {
  display: grid;
  width: 100%;
}

.how-long-page .how-long-unit {
  min-width: 0;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.how-long-page .how-long-unit:hover {
  transform: translateY(-3px);
  border-color: #c8d4f5;
  box-shadow: 0 18px 42px rgba(36, 54, 94, 0.12);
}

.how-long-page .how-long-number {
  color: #0f172a;
  font-weight: 850;
  line-height: 0.95;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  transition: opacity 160ms ease;
}

.how-long-page .how-long-number.how-long-number-changing {
  opacity: 0.72;
}

.how-long-page .how-long-unit-label {
  margin-top: 10px;
  color: #667085;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.how-long-page .how-long-info {
  display: grid;
  border: 1px solid #e4eaf2;
  border-radius: 18px;
  background: #f8fafc;
}

.how-long-page .how-long-info-item {
  min-width: 0;
}

.how-long-page .how-long-info-label {
  display: block;
  color: #667085;
  font-weight: 750;
  line-height: 1.25;
}

.how-long-page .how-long-info-value {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
  color: #172033;
  font-weight: 800;
  line-height: 1.35;
}

.how-long-page .how-long-status {
  margin: 0;
  border: 1px solid #dbe6ff;
  border-radius: 16px;
  background: #f3f7ff;
  color: #253b80;
  font-weight: 750;
  line-height: 1.45;
  text-align: center;
}

.how-long-page .how-long-status.how-long-status-error {
  border-color: #fecaca;
  background: #fff7f7;
  color: #991b1b;
}

.how-long-page .how-long-controls {
  display: grid;
  align-items: end;
}

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

.how-long-page .how-long-input-label {
  display: block;
  margin-bottom: 8px;
  color: #344054;
  font-weight: 800;
  line-height: 1.25;
}

.how-long-page .how-long-time-input {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cfd8e6;
  border-radius: 14px;
  background: #ffffff;
  color: #111827;
  font: inherit;
  font-weight: 750;
  line-height: 1.2;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.how-long-page .how-long-time-input:focus {
  border-color: #536dfe;
  box-shadow: 0 0 0 4px rgba(83, 109, 254, 0.16);
}

.how-long-page .how-long-time-input.how-long-input-invalid {
  border-color: #dc2626;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

.how-long-page .how-long-error {
  display: block;
  min-height: 18px;
  margin-top: 7px;
  color: #b42318;
  font-weight: 700;
  line-height: 1.35;
}

.how-long-page .how-long-button {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cfd8e6;
  border-radius: 14px;
  background: #ffffff;
  color: #172033;
  font: inherit;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.how-long-page .how-long-button:hover {
  transform: translateY(-1px);
  border-color: #aebceb;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
  background: #f9fbff;
}

.how-long-page .how-long-button:focus-visible {
  outline: none;
  border-color: #536dfe;
  box-shadow: 0 0 0 4px rgba(83, 109, 254, 0.18);
}

.how-long-page .how-long-button-primary {
  border-color: #334bd3;
  background: #334bd3;
  color: #ffffff;
}

.how-long-page .how-long-button-primary:hover {
  border-color: #293db3;
  background: #293db3;
}

@media (min-width: 320px) and (max-width: 374px) {
  .how-long-page {
    padding: 34px 12px;
  }

  .how-long-page .how-long-shell {
    padding: 0;
  }

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

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

  .how-long-page .how-long-tool {
    margin-top: 24px;
    padding: 18px 12px;
    border-radius: 18px;
  }

  .how-long-page .how-long-kicker {
    font-size: 11px;
  }

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

  .how-long-page .how-long-rule {
    font-size: 13px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 22px;
  }

  .how-long-page .how-long-unit {
    padding: 16px 8px;
    border-radius: 15px;
  }

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

  .how-long-page .how-long-unit-label {
    font-size: 10px;
  }

  .how-long-page .how-long-info {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 18px;
    padding: 14px;
  }

  .how-long-page .how-long-info-label,
  .how-long-page .how-long-error {
    font-size: 12px;
  }

  .how-long-page .how-long-info-value,
  .how-long-page .how-long-status,
  .how-long-page .how-long-input-label,
  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    font-size: 14px;
  }

  .how-long-page .how-long-status {
    margin-top: 16px;
    padding: 12px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 16px;
  }

  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    min-height: 46px;
    padding: 11px 12px;
  }
}

@media (min-width: 375px) and (max-width: 429px) {
  .how-long-page {
    padding: 40px 16px;
  }

  .how-long-page .how-long-shell {
    padding: 0;
  }

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

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

  .how-long-page .how-long-tool {
    margin-top: 26px;
    padding: 22px 16px;
    border-radius: 20px;
  }

  .how-long-page .how-long-kicker {
    font-size: 11px;
  }

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

  .how-long-page .how-long-rule {
    font-size: 14px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
  }

  .how-long-page .how-long-unit {
    padding: 18px 10px;
  }

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

  .how-long-page .how-long-unit-label {
    font-size: 10px;
  }

  .how-long-page .how-long-info {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 20px;
    padding: 16px;
  }

  .how-long-page .how-long-info-label,
  .how-long-page .how-long-error {
    font-size: 12px;
  }

  .how-long-page .how-long-info-value,
  .how-long-page .how-long-status,
  .how-long-page .how-long-input-label,
  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    font-size: 14px;
  }

  .how-long-page .how-long-status {
    margin-top: 18px;
    padding: 13px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
    gap: 11px;
    margin-top: 18px;
  }

  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    min-height: 48px;
    padding: 12px 14px;
  }
}

@media (min-width: 430px) and (max-width: 767px) {
  .how-long-page {
    padding: 46px 18px;
  }

  .how-long-page .how-long-shell {
    padding: 0;
  }

  .how-long-page .how-long-title {
    font-size: 40px;
  }

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

  .how-long-page .how-long-tool {
    margin-top: 30px;
    padding: 26px 20px;
    border-radius: 22px;
  }

  .how-long-page .how-long-kicker {
    font-size: 12px;
  }

  .how-long-page .how-long-target {
    font-size: 52px;
  }

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

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 26px;
  }

  .how-long-page .how-long-unit {
    padding: 22px 12px;
  }

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

  .how-long-page .how-long-unit-label {
    font-size: 11px;
  }

  .how-long-page .how-long-info {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 22px;
    padding: 18px;
  }

  .how-long-page .how-long-info-label,
  .how-long-page .how-long-error {
    font-size: 13px;
  }

  .how-long-page .how-long-info-value,
  .how-long-page .how-long-status,
  .how-long-page .how-long-input-label,
  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    font-size: 15px;
  }

  .how-long-page .how-long-status {
    margin-top: 20px;
    padding: 14px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 20px;
  }

  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    min-height: 50px;
    padding: 13px 16px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .how-long-page {
    padding: 64px 28px;
  }

  .how-long-page .how-long-shell {
    padding: 0;
  }

  .how-long-page .how-long-title {
    font-size: 52px;
  }

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

  .how-long-page .how-long-tool {
    margin-top: 36px;
    padding: 34px;
  }

  .how-long-page .how-long-kicker {
    font-size: 12px;
  }

  .how-long-page .how-long-target {
    font-size: 68px;
  }

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

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 32px;
  }

  .how-long-page .how-long-unit {
    padding: 28px 18px;
  }

  .how-long-page .how-long-number {
    font-size: 72px;
  }

  .how-long-page .how-long-unit-label {
    font-size: 12px;
  }

  .how-long-page .how-long-info {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 26px;
    padding: 20px;
  }

  .how-long-page .how-long-info-label,
  .how-long-page .how-long-error {
    font-size: 13px;
  }

  .how-long-page .how-long-info-value,
  .how-long-page .how-long-status,
  .how-long-page .how-long-input-label,
  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    font-size: 15px;
  }

  .how-long-page .how-long-status {
    margin-top: 22px;
    padding: 15px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(0, 160px));
    gap: 12px;
    margin-top: 22px;
  }

  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    min-height: 50px;
    padding: 13px 16px;
  }
}

@media (min-width: 1024px) {
  .how-long-page {
    padding: 78px 36px;
  }

  .how-long-page .how-long-shell {
    padding: 0;
  }

  .how-long-page .how-long-title {
    font-size: 64px;
  }

  .how-long-page .how-long-subtitle {
    font-size: 19px;
  }

  .how-long-page .how-long-tool {
    margin-top: 40px;
    padding: 42px;
  }

  .how-long-page .how-long-kicker {
    font-size: 13px;
  }

  .how-long-page .how-long-target {
    font-size: 78px;
  }

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

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
  }

  .how-long-page .how-long-unit {
    padding: 32px 18px;
  }

  .how-long-page .how-long-number {
    font-size: 78px;
  }

  .how-long-page .how-long-unit-label {
    font-size: 12px;
  }

  .how-long-page .how-long-info {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 28px;
    padding: 22px;
  }

  .how-long-page .how-long-info-label,
  .how-long-page .how-long-error {
    font-size: 13px;
  }

  .how-long-page .how-long-info-value,
  .how-long-page .how-long-status,
  .how-long-page .how-long-input-label,
  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    font-size: 15px;
  }

  .how-long-page .how-long-status {
    margin-top: 24px;
    padding: 16px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: minmax(240px, 1fr) 140px 140px 180px;
    gap: 14px;
    margin-top: 24px;
  }

  .how-long-page .how-long-time-input,
  .how-long-page .how-long-button {
    min-height: 50px;
    padding: 13px 16px;
  }
}

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

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