@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;
  width: 100%;
  overflow-x: hidden;
  background: #f8fafc;
  color: #172033;
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}

.how-long-page .how-long-container,
.how-long-page .how-long-container div,
.how-long-page .how-long-container header,
.how-long-page .how-long-container section,
.how-long-page .how-long-container h1,
.how-long-page .how-long-container h2,
.how-long-page .how-long-container h3,
.how-long-page .how-long-container p,
.how-long-page .how-long-container span,
.how-long-page .how-long-container form,
.how-long-page .how-long-container label,
.how-long-page .how-long-container input,
.how-long-page .how-long-container button,
.how-long-page .how-long-container dl,
.how-long-page .how-long-container dt,
.how-long-page .how-long-container dd {
  box-sizing: border-box;
}

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

.how-long-page .how-long-header {
  text-align: center;
  margin: 0 auto;
}

.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: 720px;
  margin: 14px auto 0;
  color: #4b5563;
  line-height: 1.65;
}

.how-long-page .how-long-tool {
  width: 100%;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #dbe3ef;
  border-radius: 24px;
  box-shadow: 0 20px 55px rgba(15, 23, 42, 0.1);
}

.how-long-page .how-long-tool-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid #e5eaf2;
}

.how-long-page .how-long-tool-title {
  margin: 0;
  color: #111827;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: 0;
}

.how-long-page .how-long-tool-note {
  margin: 7px 0 0;
  color: #64748b;
  line-height: 1.5;
}

.how-long-page .how-long-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #c7d2fe;
  background: #eef2ff;
  color: #3730a3;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.how-long-page .how-long-grid {
  display: grid;
}

.how-long-page .how-long-unit {
  min-width: 0;
  text-align: center;
  border: 1px solid #dbe4f0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.how-long-page .how-long-number {
  display: block;
  color: #1e3a8a;
  font-weight: 850;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.how-long-page .how-long-label {
  display: block;
  margin-top: 10px;
  color: #64748b;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.how-long-page .how-long-info,
.how-long-page .how-long-controls {
  border-top: 1px solid #e5eaf2;
}

.how-long-page .how-long-section-title {
  margin: 0;
  color: #1f2937;
  font-weight: 750;
  line-height: 1.25;
  letter-spacing: 0;
}

.how-long-page .how-long-details {
  display: grid;
  margin: 16px 0 0;
}

.how-long-page .how-long-detail {
  min-width: 0;
  padding: 16px;
  border: 1px solid #e1e8f2;
  border-radius: 14px;
  background: #fbfdff;
}

.how-long-page .how-long-detail dt {
  margin: 0 0 6px;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.how-long-page .how-long-detail dd {
  margin: 0;
  color: #172033;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.how-long-page .how-long-input-row {
  display: grid;
  align-items: end;
  margin-top: 16px;
}

.how-long-page .how-long-field {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 7px;
}

.how-long-page .how-long-field-label {
  color: #334155;
  font-weight: 750;
  line-height: 1.2;
}

.how-long-page .how-long-input {
  width: 100%;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
  color: #111827;
  font: inherit;
  line-height: 1.2;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.how-long-page .how-long-actions {
  display: flex;
  flex-wrap: wrap;
}

.how-long-page .how-long-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
  color: #1f2937;
  font: inherit;
  font-weight: 750;
  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-primary {
  border-color: #2563eb;
  background: #2563eb;
  color: #ffffff;
}

.how-long-page .how-long-button-accent {
  border-color: #4f46e5;
  background: #eef2ff;
  color: #3730a3;
}

.how-long-page .how-long-button:hover {
  transform: translateY(-1px);
  border-color: #2563eb;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.12);
}

.how-long-page .how-long-button-primary:hover {
  background: #1d4ed8;
}

.how-long-page .how-long-input:focus,
.how-long-page .how-long-button:focus {
  outline: 3px solid rgba(37, 99, 235, 0.22);
  outline-offset: 3px;
  border-color: #2563eb;
}

.how-long-page .how-long-status {
  border: 1px solid #dbeafe;
  background: #eff6ff;
  color: #1e3a8a;
  border-radius: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.how-long-page .how-long-status.is-error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.how-long-page .how-long-status.is-success {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}

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

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

@media (min-width: 320px) and (max-width: 374px) {
  .how-long-page {
    padding: 28px 0;
  }

  .how-long-page .how-long-container {
    padding: 0 12px;
  }

  .how-long-page .how-long-title {
    font-size: 2rem;
  }

  .how-long-page .how-long-subtitle {
    font-size: 0.95rem;
  }

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

  .how-long-page .how-long-tool-top {
    flex-direction: column;
    padding-bottom: 18px;
  }

  .how-long-page .how-long-tool-title {
    font-size: 1.2rem;
  }

  .how-long-page .how-long-tool-note,
  .how-long-page .how-long-field-label,
  .how-long-page .how-long-button,
  .how-long-page .how-long-status {
    font-size: 0.9rem;
  }

  .how-long-page .how-long-badge {
    padding: 8px 10px;
    font-size: 0.78rem;
  }

  .how-long-page .how-long-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
  }

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

  .how-long-page .how-long-number {
    font-size: 2rem;
  }

  .how-long-page .how-long-label {
    font-size: 0.64rem;
  }

  .how-long-page .how-long-info,
  .how-long-page .how-long-controls {
    margin-top: 18px;
    padding-top: 18px;
  }

  .how-long-page .how-long-section-title {
    font-size: 1rem;
  }

  .how-long-page .how-long-details,
  .how-long-page .how-long-input-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .how-long-page .how-long-input {
    min-height: 44px;
    padding: 10px 11px;
    font-size: 0.95rem;
  }

  .how-long-page .how-long-actions {
    gap: 9px;
    margin-top: 12px;
  }

  .how-long-page .how-long-button {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
  }

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

@media (min-width: 375px) and (max-width: 429px) {
  .how-long-page {
    padding: 34px 0;
  }

  .how-long-page .how-long-container {
    padding: 0 16px;
  }

  .how-long-page .how-long-title {
    font-size: 2.25rem;
  }

  .how-long-page .how-long-subtitle {
    font-size: 1rem;
  }

  .how-long-page .how-long-tool {
    margin-top: 28px;
    padding: 20px;
    border-radius: 20px;
  }

  .how-long-page .how-long-tool-top {
    flex-direction: column;
    padding-bottom: 20px;
  }

  .how-long-page .how-long-tool-title {
    font-size: 1.3rem;
  }

  .how-long-page .how-long-tool-note,
  .how-long-page .how-long-field-label,
  .how-long-page .how-long-button,
  .how-long-page .how-long-status {
    font-size: 0.94rem;
  }

  .how-long-page .how-long-badge {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .how-long-page .how-long-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 20px;
  }

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

  .how-long-page .how-long-number {
    font-size: 2.35rem;
  }

  .how-long-page .how-long-label {
    font-size: 0.68rem;
  }

  .how-long-page .how-long-info,
  .how-long-page .how-long-controls {
    margin-top: 20px;
    padding-top: 20px;
  }

  .how-long-page .how-long-section-title {
    font-size: 1.05rem;
  }

  .how-long-page .how-long-details,
  .how-long-page .how-long-input-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .how-long-page .how-long-input {
    min-height: 46px;
    padding: 11px 12px;
    font-size: 1rem;
  }

  .how-long-page .how-long-actions {
    gap: 10px;
    margin-top: 14px;
  }

  .how-long-page .how-long-button {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
  }

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

@media (min-width: 430px) and (max-width: 767px) {
  .how-long-page {
    padding: 42px 0;
  }

  .how-long-page .how-long-container {
    padding: 0 20px;
  }

  .how-long-page .how-long-title {
    font-size: 2.65rem;
  }

  .how-long-page .how-long-subtitle {
    font-size: 1.05rem;
  }

  .how-long-page .how-long-tool {
    margin-top: 32px;
    padding: 24px;
    border-radius: 22px;
  }

  .how-long-page .how-long-tool-top {
    flex-direction: column;
    padding-bottom: 22px;
  }

  .how-long-page .how-long-tool-title {
    font-size: 1.45rem;
  }

  .how-long-page .how-long-tool-note,
  .how-long-page .how-long-field-label,
  .how-long-page .how-long-button,
  .how-long-page .how-long-status {
    font-size: 0.96rem;
  }

  .how-long-page .how-long-badge {
    padding: 9px 13px;
    font-size: 0.82rem;
  }

  .how-long-page .how-long-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
  }

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

  .how-long-page .how-long-number {
    font-size: 2.85rem;
  }

  .how-long-page .how-long-label {
    font-size: 0.72rem;
  }

  .how-long-page .how-long-info,
  .how-long-page .how-long-controls {
    margin-top: 22px;
    padding-top: 22px;
  }

  .how-long-page .how-long-section-title {
    font-size: 1.08rem;
  }

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

  .how-long-page .how-long-input-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .how-long-page .how-long-input {
    min-height: 48px;
    padding: 12px 13px;
    font-size: 1rem;
  }

  .how-long-page .how-long-actions {
    gap: 10px;
    margin-top: 14px;
  }

  .how-long-page .how-long-button {
    flex: 1 1 180px;
    min-height: 48px;
    padding: 12px 14px;
  }

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

@media (min-width: 768px) and (max-width: 1023px) {
  .how-long-page {
    padding: 58px 0;
  }

  .how-long-page .how-long-container {
    padding: 0 32px;
  }

  .how-long-page .how-long-title {
    font-size: 3.4rem;
  }

  .how-long-page .how-long-subtitle {
    font-size: 1.1rem;
  }

  .how-long-page .how-long-tool {
    margin-top: 38px;
    padding: 30px;
  }

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

  .how-long-page .how-long-tool-title {
    font-size: 1.6rem;
  }

  .how-long-page .how-long-tool-note,
  .how-long-page .how-long-field-label,
  .how-long-page .how-long-button,
  .how-long-page .how-long-status {
    font-size: 1rem;
  }

  .how-long-page .how-long-badge {
    padding: 10px 14px;
    font-size: 0.84rem;
  }

  .how-long-page .how-long-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 26px;
  }

  .how-long-page .how-long-unit {
    padding: 24px 14px;
  }

  .how-long-page .how-long-number {
    font-size: 3.25rem;
  }

  .how-long-page .how-long-label {
    font-size: 0.74rem;
  }

  .how-long-page .how-long-info,
  .how-long-page .how-long-controls {
    margin-top: 26px;
    padding-top: 26px;
  }

  .how-long-page .how-long-section-title {
    font-size: 1.12rem;
  }

  .how-long-page .how-long-details {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .how-long-page .how-long-input-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: 12px;
  }

  .how-long-page .how-long-input {
    min-height: 48px;
    padding: 12px 14px;
    font-size: 1rem;
  }

  .how-long-page .how-long-actions {
    gap: 10px;
    margin-top: 16px;
  }

  .how-long-page .how-long-button {
    min-height: 48px;
    padding: 12px 16px;
  }

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

@media (min-width: 1024px) {
  .how-long-page {
    padding: 72px 0;
  }

  .how-long-page .how-long-container {
    padding: 0 40px;
  }

  .how-long-page .how-long-title {
    font-size: 4.25rem;
  }

  .how-long-page .how-long-subtitle {
    font-size: 1.16rem;
  }

  .how-long-page .how-long-tool {
    max-width: 980px;
    margin-top: 44px;
    padding: 36px;
  }

  .how-long-page .how-long-tool-top {
    padding-bottom: 26px;
  }

  .how-long-page .how-long-tool-title {
    font-size: 1.75rem;
  }

  .how-long-page .how-long-tool-note,
  .how-long-page .how-long-field-label,
  .how-long-page .how-long-button,
  .how-long-page .how-long-status {
    font-size: 1rem;
  }

  .how-long-page .how-long-badge {
    padding: 10px 15px;
    font-size: 0.86rem;
  }

  .how-long-page .how-long-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
  }

  .how-long-page .how-long-unit {
    padding: 28px 16px;
  }

  .how-long-page .how-long-number {
    font-size: 4rem;
  }

  .how-long-page .how-long-label {
    font-size: 0.76rem;
  }

  .how-long-page .how-long-info,
  .how-long-page .how-long-controls {
    margin-top: 28px;
    padding-top: 28px;
  }

  .how-long-page .how-long-section-title {
    font-size: 1.15rem;
  }

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

  .how-long-page .how-long-input-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: 14px;
  }

  .how-long-page .how-long-input {
    min-height: 50px;
    padding: 13px 14px;
    font-size: 1rem;
  }

  .how-long-page .how-long-actions {
    gap: 12px;
    margin-top: 18px;
  }

  .how-long-page .how-long-button {
    min-height: 50px;
    padding: 13px 18px;
  }

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