@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;
  background: #f8fafc;
  color: #111827;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

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

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

.how-long-page h1 {
  margin: 0;
  color: #0f172a;
  font-weight: 760;
  line-height: 1.08;
  letter-spacing: 0;
}

.how-long-page .how-long-subtitle {
  max-width: 680px;
  margin: 12px auto 0;
  color: #475569;
  line-height: 1.55;
}

.how-long-page .how-long-tool {
  margin: 0 auto;
  max-width: 980px;
  background: #ffffff;
  border: 1px solid #dbe4f0;
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.11);
}

.how-long-page .how-long-topline {
  width: fit-content;
  margin: 0 auto 10px;
  color: #334155;
  background: #eef4ff;
  border: 1px solid #d7e4ff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.how-long-page h2 {
  margin: 0;
  text-align: center;
  color: #111827;
  font-weight: 740;
  line-height: 1.15;
  letter-spacing: 0;
}

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

.how-long-page .how-long-unit {
  min-width: 0;
  text-align: center;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.how-long-page .how-long-number {
  display: block;
  color: #1e3a8a;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.how-long-page .how-long-unit-label {
  display: block;
  margin-top: 8px;
  color: #64748b;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.how-long-page .how-long-info {
  display: grid;
  background: #fbfdff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
}

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

.how-long-page .how-long-info-label {
  display: block;
  margin-bottom: 5px;
  color: #64748b;
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.how-long-page .how-long-info-value {
  display: block;
  overflow-wrap: anywhere;
  color: #0f172a;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
}

.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-field label {
  display: block;
  margin-bottom: 7px;
  color: #334155;
  font-size: 13px;
  font-weight: 720;
}

.how-long-page .how-long-field input {
  width: 100%;
  min-width: 0;
  color: #0f172a;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  outline: none;
  font: inherit;
  font-size: 15px;
  line-height: 1.2;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.how-long-page .how-long-field input:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

.how-long-page .how-long-button {
  width: 100%;
  min-width: 0;
  cursor: pointer;
  color: #1e293b;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  font: inherit;
  font-weight: 760;
  line-height: 1.2;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.how-long-page .how-long-button-primary {
  color: #ffffff;
  background: #1d4ed8;
  border-color: #1d4ed8;
}

.how-long-page .how-long-button:hover {
  border-color: #818cf8;
  box-shadow: 0 10px 24px rgba(30, 41, 59, 0.1);
  transform: translateY(-1px);
}

.how-long-page .how-long-button-primary:hover {
  background: #1e40af;
  border-color: #1e40af;
}

.how-long-page .how-long-button:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.35);
  outline-offset: 3px;
}

.how-long-page .how-long-feedback {
  min-height: 22px;
  color: #334155;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
}

.how-long-page .how-long-feedback[data-tone="error"] {
  color: #991b1b;
}

.how-long-page .how-long-feedback[data-tone="success"] {
  color: #166534;
}

@media (prefers-reduced-motion: reduce) {
  .how-long-page .how-long-field 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: 34px 0;
  }

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

  .how-long-page h1 {
    font-size: 30px;
  }

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

  .how-long-page .how-long-tool {
    margin-top: 24px;
    padding: 20px;
    border-radius: 18px;
  }

  .how-long-page .how-long-topline {
    padding: 6px 10px;
  }

  .how-long-page h2 {
    font-size: 24px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 20px;
  }

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

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

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

  .how-long-page .how-long-info {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 18px;
    padding: 16px;
  }

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

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

  .how-long-page .how-long-feedback {
    margin-top: 14px;
  }
}

@media (min-width: 375px) and (max-width: 429px) {
  .how-long-page {
    padding: 40px 0;
  }

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

  .how-long-page h1 {
    font-size: 34px;
  }

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

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

  .how-long-page .how-long-topline {
    padding: 6px 11px;
  }

  .how-long-page h2 {
    font-size: 26px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
  }

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

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

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

  .how-long-page .how-long-info {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 20px;
    padding: 18px;
  }

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

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

  .how-long-page .how-long-feedback {
    margin-top: 14px;
  }
}

@media (min-width: 430px) and (max-width: 767px) {
  .how-long-page {
    padding: 48px 0;
  }

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

  .how-long-page h1 {
    font-size: 40px;
  }

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

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

  .how-long-page .how-long-topline {
    padding: 7px 12px;
  }

  .how-long-page h2 {
    font-size: 28px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
  }

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

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

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

  .how-long-page .how-long-info {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
    padding: 18px;
  }

  .how-long-page .how-long-info-status {
    grid-column: 1 / -1;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 22px;
  }

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

  .how-long-page .how-long-feedback {
    margin-top: 14px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .how-long-page {
    padding: 64px 0;
  }

  .how-long-page .how-long-inner {
    padding: 0 28px;
  }

  .how-long-page h1 {
    font-size: 50px;
  }

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

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

  .how-long-page .how-long-topline {
    padding: 7px 13px;
  }

  .how-long-page h2 {
    font-size: 32px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 28px;
  }

  .how-long-page .how-long-unit {
    padding: 26px 14px;
  }

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

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

  .how-long-page .how-long-info {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 26px;
    padding: 22px;
  }

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

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

  .how-long-page .how-long-feedback {
    margin-top: 16px;
  }
}

@media (min-width: 1024px) {
  .how-long-page {
    padding: 78px 0;
  }

  .how-long-page .how-long-inner {
    padding: 0 36px;
  }

  .how-long-page h1 {
    font-size: 60px;
  }

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

  .how-long-page .how-long-tool {
    margin-top: 38px;
    padding: 40px;
  }

  .how-long-page .how-long-topline {
    padding: 8px 14px;
  }

  .how-long-page h2 {
    font-size: 36px;
  }

  .how-long-page .how-long-countdown {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
  }

  .how-long-page .how-long-unit {
    padding: 30px 16px;
  }

  .how-long-page .how-long-number {
    font-size: 70px;
  }

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

  .how-long-page .how-long-info {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
    padding: 24px;
  }

  .how-long-page .how-long-controls {
    grid-template-columns: minmax(150px, 1fr) minmax(140px, 0.8fr) minmax(160px, 1fr) minmax(190px, 1fr) minmax(160px, 1fr);
    gap: 14px;
    margin-top: 28px;
  }

  .how-long-page .how-long-field input,
  .how-long-page .how-long-button {
    min-height: 52px;
    padding: 14px 16px;
  }

  .how-long-page .how-long-feedback {
    margin-top: 16px;
  }
}