.hero--inner {
  padding: 1.75rem 2rem;
}

.hero--inner h1 {
  margin-bottom: 0.35rem;
  font-size: 2rem;
}

.hero--inner .hero-tagline {
  margin: 0 0 1rem;
  max-width: 54rem;
  font-size: 1rem;
  line-height: 1.65;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.breadcrumb a {
  padding: 0;
  color: var(--muted);
}

.breadcrumb a:hover {
  background: transparent;
  color: var(--accent);
}

.breadcrumb .sep {
  opacity: 0.45;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.09);
  color: #bbf7d0;
  font-size: 0.78rem;
  font-weight: 600;
}

.privacy-badge svg {
  width: 1rem;
  height: 1rem;
  fill: var(--accent);
}

.tool-widget {
  margin-top: 1.5rem;
  padding: 1.75rem;
  overflow: visible;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.25rem;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.15rem;
}

.section-heading p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.section-icon {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 0.7rem;
  background: rgba(34, 197, 94, 0.1);
}

.section-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: var(--accent);
}

.section-icon--results {
  border-color: rgba(56, 189, 248, 0.28);
  background: rgba(56, 189, 248, 0.1);
}

.section-icon--results svg {
  fill: #38bdf8;
}

.details-card {
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 0.85rem;
}

.unit-switcher {
  padding: 0 0 1.25rem;
  margin: 0 0 1.25rem;
  border: 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}

.unit-switcher legend {
  margin-bottom: 0.55rem;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 650;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 30rem;
  padding: 0.25rem;
  border: 1px solid #334155;
  border-radius: 0.7rem;
  background: rgba(2, 6, 23, 0.5);
}

.segmented-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segmented-control label {
  padding: 0.6rem 0.8rem;
  border-radius: 0.5rem;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 700;
  text-align: center;
}

.segmented-control label span {
  display: block;
  margin-top: 0.08rem;
  font-size: 0.68rem;
  font-weight: 500;
}

.segmented-control input:checked + label {
  background: rgba(34, 197, 94, 0.16);
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.35);
  color: #bbf7d0;
}

.segmented-control input:focus-visible + label {
  outline: 3px solid rgba(134, 239, 172, 0.55);
  outline-offset: 2px;
}

.input-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.input-group {
  min-width: 0;
  margin-bottom: 1.1rem;
}

.input-group--last {
  margin-bottom: 0;
}

.input-group label {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 650;
}

.field-label {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 650;
}

.input-group .unit {
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 400;
}

.input-group input,
.input-group select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.85rem;
  background: rgba(2, 6, 23, 0.55);
  border: 1px solid #334155;
  border-radius: 0.55rem;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.input-group input:hover,
.input-group select:hover {
  border-color: #475569;
}

.input-group input:focus,
.input-group select:focus {
  border-color: var(--accent);
  background: rgba(2, 6, 23, 0.8);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.14);
}

.input-group input[aria-invalid="true"],
.input-group select[aria-invalid="true"] {
  border-color: #fb7185;
  box-shadow: 0 0 0 3px rgba(251, 113, 133, 0.1);
}

.compound-input {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.compound-input > div {
  position: relative;
}

.compound-input input {
  padding-right: 2.4rem;
}

.compound-input > div > span {
  position: absolute;
  top: 50%;
  right: 0.8rem;
  color: var(--muted);
  font-size: 0.75rem;
  pointer-events: none;
  transform: translateY(-50%);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.field-error {
  min-height: 1rem;
  margin: 0.3rem 0 0;
  color: #fda4af;
  font-size: 0.75rem;
}

.field-error:empty {
  display: none;
}

.input-hint {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.activity-heading {
  margin: 0 0 0.65rem;
  color: var(--text);
  font-size: 0.95rem;
}

.activity-meter {
  height: 0.35rem;
  margin-top: 0.8rem;
  overflow: hidden;
  border-radius: 999px;
  background: #1e293b;
}

.activity-meter__fill {
  display: block;
  width: 20%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #38bdf8, var(--accent), #fbbf24);
  transition: width 0.2s ease;
}

.activity-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.65rem;
}

.calculate-action {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  flex-wrap: wrap;
}

.btn-reset {
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid #475569;
  border-radius: 999px;
  background: transparent;
  color: #cbd5e1;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 650;
}

.btn-reset:hover {
  border-color: #64748b;
  background: rgba(255, 255, 255, 0.04);
}

.btn-reset:focus-visible {
  outline: 3px solid rgba(148, 163, 184, 0.35);
  outline-offset: 3px;
}

.share-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  flex-wrap: wrap;
}

.btn-copy-link {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.08);
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 650;
  transition: background 0.15s, border-color 0.15s;
}

.btn-copy-link:hover {
  border-color: rgba(34, 197, 94, 0.5);
  background: rgba(34, 197, 94, 0.14);
}

.btn-copy-link:focus-visible {
  outline: 3px solid rgba(134, 239, 172, 0.45);
  outline-offset: 3px;
}

.copy-confirm {
  color: var(--accent);
  font-size: 0.8rem;
}

.results-panel {
  scroll-margin-top: 1rem;
}

.results-panel[hidden] {
  display: none;
}

.section-divider {
  height: 1px;
  margin: 1.75rem 0;
  background: linear-gradient(90deg, transparent, #334155 12%, #334155 88%, transparent);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.result-card {
  position: relative;
  min-width: 0;
  padding: 1.35rem;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(14, 165, 233, 0.09), rgba(2, 6, 23, 0.25));
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 0.9rem;
}

.result-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: #38bdf8;
  content: "";
}

.result-card--primary {
  background: linear-gradient(145deg, rgba(34, 197, 94, 0.13), rgba(2, 6, 23, 0.25));
  border-color: rgba(34, 197, 94, 0.32);
}

.result-card--primary::before {
  background: var(--accent);
}

.result-label {
  color: #cbd5e1;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.result-value {
  margin: 0.45rem 0 0.3rem;
  color: #7dd3fc;
  font-size: clamp(2rem, 5vw, 2.65rem);
  font-weight: 800;
  line-height: 1;
}

.result-card--primary .result-value {
  color: #4ade80;
}

.result-value small {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.result-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.breakdown,
.how-it-works details {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.02);
}

.breakdown {
  margin-top: 1rem;
}

.breakdown summary,
.how-it-works summary {
  cursor: pointer;
  list-style: none;
}

.breakdown summary::-webkit-details-marker,
.how-it-works summary::-webkit-details-marker {
  display: none;
}

.breakdown summary {
  position: relative;
  padding: 0.85rem 2.6rem 0.85rem 1rem;
  color: #cbd5e1;
  font-size: 0.84rem;
  font-weight: 650;
}

.breakdown summary::after,
.how-it-works summary::after {
  position: absolute;
  top: 50%;
  right: 1rem;
  color: var(--accent);
  font-size: 1.2rem;
  content: "+";
  transform: translateY(-50%);
}

.breakdown[open] summary::after,
.how-it-works details[open] summary::after {
  content: "−";
}

.breakdown-content {
  display: grid;
  gap: 0.7rem;
  padding: 0 1rem 1rem;
}

.breakdown-content div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  font-size: 0.78rem;
}

.breakdown-content span {
  color: var(--muted);
}

.breakdown-content strong {
  color: #dbeafe;
  text-align: right;
}

.goals-section {
  margin-top: 1.75rem;
}

.goals-section h3 {
  margin: 0;
  font-size: 1rem;
}

.goals-intro {
  margin: 0.35rem 0 0.9rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.goal-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-top: 3px solid #38bdf8;
  border-radius: 0.7rem;
  text-align: center;
}

.goal-card--maintain {
  border-top-color: var(--accent);
}

.goal-card--gain {
  border-top-color: #fbbf24;
}

.goal-card span,
.goal-card small {
  display: block;
}

.goal-card span {
  color: #cbd5e1;
  font-size: 0.78rem;
  font-weight: 650;
}

.goal-card strong {
  display: block;
  margin: 0.35rem 0 0.2rem;
  color: var(--text);
  font-size: 1.5rem;
}

.goal-card small {
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.35;
}

.ad-container--spaced {
  margin: 3.5rem 0;
}

.how-it-works {
  margin: 0;
}

.how-it-works summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 3rem 1rem 1rem;
}

.info-icon {
  display: grid;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: Georgia, serif;
  font-weight: 700;
}

.how-it-works summary h2,
.how-it-works summary small {
  display: block;
}

.how-it-works summary h2 {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
}

.how-it-works summary small {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.how-content {
  padding: 0 1.25rem 1.25rem 3.8rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.how-content h3 {
  margin: 1rem 0 0.3rem;
  font-size: 0.9rem;
}

.how-content p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.how-content a {
  color: #86efac;
  text-decoration: underline;
  text-decoration-color: rgba(134, 239, 172, 0.45);
  text-underline-offset: 0.16em;
}

.how-content a:hover {
  color: #bbf7d0;
}

.activity-examples {
  display: grid;
  gap: 0.45rem;
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.activity-examples li {
  margin: 0;
}

.activity-examples strong {
  color: #cbd5e1;
}

.trust-note {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 0.6rem;
  background: rgba(56, 189, 248, 0.06);
  color: #cbd5e1;
  font-size: 0.78rem;
  line-height: 1.55;
}

.faq-section {
  margin-top: 1.25rem;
  padding-top: 0.25rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.faq-section h4 {
  margin: 0.9rem 0 0.25rem;
  color: #dbeafe;
  font-size: 0.84rem;
}

.disclaimer-box {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(251, 191, 36, 0.07);
  border: 1px solid rgba(251, 191, 36, 0.18);
  border-radius: 0.6rem;
  color: #cbd5e1;
  font-size: 0.78rem;
  line-height: 1.55;
}

.related-tools {
  margin-top: 1.5rem;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.02);
}

.related-tools h2 {
  margin: 0;
  font-size: 1.05rem;
}

.related-tools > p {
  margin: 0.35rem 0 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.related-tools-grid a {
  display: block;
  padding: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 0.65rem;
  background: rgba(2, 6, 23, 0.3);
  transition: border-color 0.15s, background 0.15s;
}

.related-tools-grid a:hover {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.05);
}

.related-tools-grid strong,
.related-tools-grid span {
  display: block;
}

.related-tools-grid strong {
  color: #bbf7d0;
  font-size: 0.85rem;
}

.related-tools-grid span {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.45;
}

.ad-container--bottom {
  margin: 4.5rem 0 0;
}

@media (max-width: 700px) {
  .hero--inner {
    padding: 1.25rem;
  }

  .hero--inner h1 {
    font-size: 1.6rem;
  }

  .tool-widget {
    padding: 1.15rem;
  }

  .details-card {
    padding: 1rem;
  }

  .input-row,
  .results-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .results-grid {
    gap: 0.8rem;
  }

  .goals-grid {
    grid-template-columns: 1fr;
  }

  .related-tools-grid {
    grid-template-columns: 1fr;
  }

  .calculate-action {
    padding-top: 0.9rem;
  }

  .btn-reset {
    padding-inline: 1rem;
  }

  .breakdown-content div {
    display: block;
  }

  .breakdown-content strong {
    display: block;
    margin-top: 0.25rem;
    text-align: left;
  }

  .how-content {
    padding: 0 1rem 1rem;
  }

  .ad-container--spaced {
    margin: 3rem 0;
  }

  .ad-container--bottom {
    margin-top: 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-copy-link {
    transition: none;
  }
}