:root {
  --ink: #122018;
  --muted: #68746d;
  --line: #dce4dd;
  --paper: #f4f6f3;
  --white: #fff;
  --green: #08785d;
  --dark: #10241b;
  --lime: #d7f08c;
  --orange: #ff6a3d;
  --field: #fbfcfb;
  --field-border: #cfd9d2;
  --subtle: #edf2ee;
  --soft-panel: #e6ece6;
  --soft-panel-ink: #536159;
  --interaction: var(--green);
  --action-bg: var(--dark);
  --action-hover: var(--green);
  --action-active: #065f4a;
  --action-ink: #fff;
  --focus-ring: #d7f08c;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.5;
}
a {
  text-decoration: none;
  color: inherit;
}
.nav,
main,
footer {
  max-width: 1240px;
  margin: auto;
}
.nav {
  height: 80px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  font-size: 1.25rem;
  font-weight: 950;
  letter-spacing: -0.08em;
}
.logo span {
  color: var(--green);
}
.nav nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}
.nav nav a:hover {
  color: var(--interaction);
}
.nav nav a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--interaction) 45%, transparent);
  outline-offset: 3px;
}
.theme-switcher {
  display: inline-flex;
  gap: 2px;
  margin-left: auto;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
}
.theme-switcher button {
  min-height: 30px;
  padding: 0 9px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 750;
  cursor: pointer;
}
.theme-switcher button:hover {
  color: var(--ink);
  background: var(--subtle);
}
.theme-switcher button[aria-checked="true"] {
  color: var(--action-ink);
  background: var(--action-bg);
}
.theme-switcher button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--interaction) 38%, transparent);
  outline-offset: 2px;
}
.nav-cta,
.button {
  border-radius: 9px;
  background: var(--dark);
  color: white;
  font-size: 0.86rem;
  font-weight: 800;
  padding: 11px 16px;
}
.hero {
  position: relative;
  overflow: hidden;
  min-height: 530px;
  padding: 80px 55px;
  border-radius: 26px;
  background: var(--dark);
  color: white;
}
.kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.14em;
}
.hero .kicker {
  color: var(--lime);
}
h1 {
  position: relative;
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 1.06;
  letter-spacing: -0.085em;
  z-index: 1;
}
h1 em {
  color: var(--lime);
  font-style: normal;
}
.hero-copy {
  position: relative;
  max-width: 480px;
  color: #bdd0c5;
  margin: 28px 0;
  z-index: 1;
}
.hero-actions {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 1;
}
.button {
  background: var(--lime);
  color: var(--dark);
  padding: 14px 19px;
}
.button b {
  padding-left: 12px;
}
.hero-actions span {
  color: #9eb3a7;
  font-size: 0.76rem;
  font-weight: 750;
}
.hero-orb {
  position: absolute;
  right: -80px;
  bottom: -215px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  border: 1px solid rgba(215, 240, 140, 0.4);
  background: radial-gradient(
    circle at 35% 32%,
    #639d76,
    #1c4739 58%,
    #10241b 70%
  );
}
.hero-orb:before,
.hero-orb:after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  inset: 80px;
}
.hero-orb:after {
  inset: 170px;
}
.hero-orb i {
  position: absolute;
  width: 13px;
  height: 13px;
  left: 150px;
  top: 160px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 270px 110px 0 #d7f08c;
}
.hero-orb strong {
  position: absolute;
  top: 177px;
  left: 245px;
  font-size: 10rem;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: -0.1em;
}
.tools {
  padding: 105px 30px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 32px;
}
.section-head h2,
.disclaimer h2 {
  margin: 0;
  font-size: 2.25rem;
  line-height: 1.12;
  letter-spacing: -0.065em;
}
.section-head > p {
  color: var(--muted);
  margin: 0;
  font-size: 0.9rem;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}
.tool-card {
  min-height: 255px;
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--white);
  transition:
    0.2s transform,
    0.2s box-shadow;
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px #163b2b15;
}
.tool-card.featured {
  grid-column: span 2;
  background: var(--lime);
  border-color: var(--lime);
}
.tool-num {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #6e8b59;
  font-size: 0.7rem;
  font-weight: 900;
}
.tool-card .icon {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  margin-bottom: 40px;
  border-radius: 9px;
  background: var(--subtle);
  font-size: 1.25rem;
  font-weight: 900;
}
.featured .icon {
  background: #10241b;
  color: #d7f08c;
}
.tool-card h3 {
  font-size: 1.22rem;
  letter-spacing: -0.045em;
  margin: 0;
}
.tool-card p {
  max-width: 330px;
  margin: 8px 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.tool-card b {
  position: absolute;
  bottom: 20px;
  color: var(--interaction);
  font-size: 0.78rem;
}
.featured b {
  color: #10241b;
}
.disclaimer {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 100px;
  padding: 58px 55px;
  border-radius: 20px;
  background: var(--soft-panel);
}
.disclaimer p:last-child {
  max-width: 620px;
  margin: 0;
  color: var(--soft-panel-ink);
  font-size: 0.92rem;
}
footer {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 42px 30px;
  color: var(--muted);
  font-size: 0.76rem;
}
.calculator-page .nav {
  border-bottom: 1px solid var(--line);
}
.calculator-page .nav nav {
  margin-left: 20px;
}
.calculator-page .nav-cta {
  margin-left: auto;
}
.calculator-quick-nav {
  display: none;
}
.calc-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 63px 30px 80px;
}
.legal-notice {
  margin: -18px 0 28px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--subtle);
  color: var(--muted);
  font-size: 0.78rem;
}
.legal-notice strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
}
.legal-notice a {
  color: var(--interaction);
  font-weight: 800;
}
.calc-intro {
  max-width: 720px;
  margin-bottom: 33px;
}
.calc-intro h1 {
  font-size: clamp(2.5rem, 5vw, 4.3rem);
  line-height: 1.1;
  letter-spacing: -0.08em;
}
.calc-intro p:last-child {
  color: var(--muted);
  margin: 17px 0 0;
}
.calculator {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: start;
  gap: 17px;
}
.form-card,
.result-card {
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--white);
  padding: 26px;
}
.form-card section + section {
  margin-top: 25px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.advanced-panel {
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.advanced-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  border: 1px solid var(--field-border);
  border-radius: 10px;
  background: var(--subtle);
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.advanced-panel summary::-webkit-details-marker {
  display: none;
}
.advanced-panel summary span,
.advanced-panel summary small {
  display: block;
}
.advanced-panel summary strong {
  font-size: 0.86rem;
}
.advanced-panel summary small {
  margin-top: 2px;
}
.advanced-panel summary b {
  color: var(--interaction);
  font-size: 1.35rem;
  line-height: 1;
  transition: transform 0.18s ease;
}
.advanced-panel[open] summary b {
  transform: rotate(45deg);
}
.advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-top: 16px;
}
.advanced-grid .check,
.advanced-grid .check-row {
  grid-column: span 2;
}
[hidden] {
  display: none !important;
}
.enhanced-select-source {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.deal-type-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin-top: 7px;
}
.deal-type-field > label {
  display: block;
}
.calculator-page[data-tool="brokerage"] .form-card {
  padding: 30px;
}
.calculator-page[data-tool="brokerage"]
  .form-card
  > section:first-child
  .field-grid {
  grid-template-columns: 1fr;
  gap: 20px;
}
.calculator-page[data-tool="brokerage"] .form-card section + section {
  margin-top: 32px;
  padding-top: 30px;
}
.calculator-page[data-tool="brokerage"] .field-grid {
  gap: 18px 14px;
}
.calculator-page[data-tool="brokerage"] .advanced-panel {
  margin-top: 32px;
  padding-top: 24px;
}
.calculator + .content-guide {
  margin-top: 34px;
}
.deal-type-switch button {
  min-width: 0;
  min-height: 67px;
  padding: 10px 8px;
  border: 1px solid var(--field-border);
  border-radius: 9px;
  background: var(--field);
  color: var(--muted);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.deal-type-switch button:hover {
  border-color: var(--interaction);
}
.deal-type-switch button[aria-pressed="true"] {
  border-color: var(--action-bg);
  background: var(--action-bg);
  color: var(--action-ink);
}
.deal-type-switch strong,
.deal-type-switch small {
  display: block;
}
.deal-type-switch strong {
  font-size: 0.84rem;
}
.deal-type-switch small {
  margin-top: 3px;
  color: inherit;
  font-size: 0.62rem;
  line-height: 1.3;
  opacity: 0.76;
}
.deal-type-switch button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}
.form-title {
  display: flex;
  gap: 9px;
  align-items: center;
  margin: 0 0 17px;
  font-size: 1.02rem;
  letter-spacing: -0.035em;
}
.form-title i {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--lime);
  font-size: 0.68rem;
  font-style: normal;
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.field-grid .full {
  grid-column: span 2;
}
label {
  font-size: 0.78rem;
  font-weight: 850;
}
.field-required {
  display: inline-block;
  margin-left: 3px;
  color: #d9534f;
  font-size: 0.78em;
  line-height: 1;
  vertical-align: 0.12em;
  white-space: nowrap;
}
.field-optional {
  display: inline-block;
  margin-left: 5px;
  color: #87928b;
  font-size: 0.62rem;
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
input,
select {
  width: 100%;
  height: 46px;
  margin-top: 6px;
  padding: 0 11px;
  border: 1px solid var(--field-border);
  border-radius: 8px;
  background: var(--field);
  color: var(--ink);
  font: 700 1rem inherit;
}
input::placeholder,
select:required:invalid {
  color: #87928b;
  font-weight: 600;
  opacity: 1;
}
input[type="date"] {
  padding-right: 9px;
  cursor: text;
}
input[type="date"]::-webkit-calendar-picker-indicator {
  width: 20px;
  height: 20px;
  margin-left: 8px;
  padding: 5px;
  border-radius: 7px;
  background: center / 18px 18px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23314439' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='16' rx='2'/%3E%3Cpath d='M16 3v4M8 3v4M3 10h18'/%3E%3C/svg%3E");
  cursor: pointer;
  opacity: 0.72;
  transition: background-color 0.16s ease, opacity 0.16s ease;
}
input[type="date"]:hover::-webkit-calendar-picker-indicator,
input[type="date"]:focus::-webkit-calendar-picker-indicator {
  background-color: color-mix(in srgb, var(--interaction) 16%, transparent);
  opacity: 1;
}
input:focus,
select:focus {
  outline: 3px solid var(--focus-ring);
  border-color: var(--interaction);
}
small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 500;
}
.check {
  display: flex;
  gap: 9px;
  align-items: start;
  font-size: 0.84rem;
}
.check input {
  width: 17px;
  height: 17px;
  margin: 2px 0;
  accent-color: var(--interaction);
}
.primary {
  width: 100%;
  min-height: 52px;
  margin-top: 26px;
  border: 0;
  border-radius: 9px;
  background: var(--action-bg);
  color: var(--action-ink);
  font: 850 0.94rem inherit;
  cursor: pointer;
  box-shadow: 0 0 0 transparent;
  transition:
    background-color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.1s ease;
}
.primary:hover {
  background: var(--action-hover);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--action-bg) 30%, transparent);
  transform: translateY(-2px);
}
.primary:active {
  background: var(--action-active);
  box-shadow:
    inset 0 3px 6px #00000038,
    0 2px 5px #00000020;
  transform: translateY(1px) scale(0.995);
}
.primary.is-submit-confirmed {
  background: var(--action-active);
  box-shadow:
    inset 0 0 0 2px color-mix(in srgb, var(--action-ink) 30%, transparent),
    0 2px 5px #00000020;
  transform: translateY(1px) scale(0.995);
}
.primary.is-calculating {
  background: var(--action-active);
  cursor: wait;
  opacity: 0.94;
}
.button-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 8px;
  border: 2px solid color-mix(in srgb, var(--action-ink) 35%, transparent);
  border-top-color: var(--action-ink);
  border-radius: 50%;
  vertical-align: -2px;
  animation: button-spin 0.65s linear infinite;
}
@keyframes button-spin {
  to {
    transform: rotate(360deg);
  }
}
.result-card,
.result-panel {
  transition:
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}
.result-card.result-updated,
.result-panel.result-updated {
  border-color: color-mix(in srgb, var(--lime) 70%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--lime) 16%, transparent);
}
.penalty-carry-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  margin-top: 16px;
  padding: 0 13px;
  border: 1px solid #ffffff30;
  border-radius: 8px;
  color: var(--action-ink);
  font-size: 0.78rem;
  font-weight: 850;
  transition:
    border-color 0.16s ease,
    background-color 0.16s ease;
}
.penalty-carry-link:hover {
  border-color: var(--lime);
  background: #ffffff10;
}
.carried-tax-notice {
  margin: 0 0 22px;
  padding: 13px 14px;
  border: 1px solid color-mix(in srgb, var(--interaction) 38%, var(--line));
  border-radius: 9px;
  background: color-mix(in srgb, var(--interaction) 8%, var(--subtle));
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}
@media (prefers-reduced-motion: reduce) {
  .button-spinner {
    animation-duration: 1.4s;
  }
  .primary,
  .calculate-button,
  .result-card,
  .result-panel {
    transition: none !important;
  }
}
.primary:focus-visible,
.button:focus-visible,
.tool-card:focus-visible,
.legal a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--interaction) 45%, transparent);
  outline-offset: 3px;
}
.result-card {
  position: sticky;
  top: 20px;
  background: var(--dark);
  color: white;
}
.result-card .kicker {
  color: var(--lime);
}
.result-card h2 {
  margin: 0;
  font-size: 1.1rem;
}
.big-number {
  margin: 9px 0 0;
  font-size: clamp(2.35rem, 4vw, 3.6rem);
  font-weight: 950;
  letter-spacing: -0.075em;
}
.result-note {
  min-height: 38px;
  margin: 0 0 18px;
  color: #bcd0c2;
  font-size: 0.8rem;
}
.result-list {
  margin: 0;
}
.result-list div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid #ffffff1c;
  font-size: 0.82rem;
}
.result-list dt {
  color: #bdccc1;
}
.result-list dd {
  margin: 0;
  font-weight: 850;
  text-align: right;
}
.callout {
  margin: 17px 0 0;
  padding: 11px;
  border-radius: 7px;
  background: #ffffff12;
  color: #bfd1c3;
  font-size: 0.72rem;
}
.legal {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 30px 50px;
  color: var(--muted);
  font-size: 0.73rem;
}
.legal a {
  color: var(--interaction);
  font-weight: 800;
}
.content-guide {
  max-width: 1120px;
  margin: 0 auto 50px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}
.calculator-page .content-guide {
  width: 100%;
  max-width: none;
  margin-right: 0;
  margin-left: 0;
}
.calculator + .content-guide,
.calculator-grid + .content-guide,
.disclaimer + .content-guide {
  margin-top: 36px;
}
.content-guide > header {
  max-width: 760px;
  margin-bottom: 30px;
}
.content-guide h2,
.policy-page h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.14;
  letter-spacing: -0.05em;
}
.content-guide h3,
.policy-page h2 {
  margin: 0 0 9px;
  font-size: 1.05rem;
  letter-spacing: -0.025em;
}
.content-guide p,
.content-guide li,
.policy-page p,
.policy-page li {
  color: var(--muted);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 34px;
}
.guide-grid article {
  min-width: 0;
}
.guide-grid ul,
.policy-page ul,
.policy-page ol {
  margin: 0;
  padding-left: 1.25rem;
}
.faq-list {
  margin: 28px 0 0;
}
.faq-list details {
  border-top: 1px solid var(--line);
  padding: 15px 0;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 850;
}
.faq-list p {
  margin: 9px 0 0;
}
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  max-width: 1240px;
  margin: auto;
  padding: 34px 30px 46px;
  border-top: 1px solid var(--line);
}
.footer-brand p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--interaction);
}
.policy-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 30px 90px;
}
.policy-page > header {
  margin-bottom: 44px;
}
.policy-page > header p {
  max-width: 680px;
}
.policy-page article {
  margin-top: 34px;
}
.policy-page a {
  color: var(--interaction);
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.policy-page .effective-date {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 9px;
  border-radius: 7px;
  background: var(--subtle);
  font-size: 0.75rem;
  font-weight: 800;
}
.contact-form {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
}
.contact-form label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--field-border);
  border-radius: 9px;
  background: var(--field);
  color: var(--ink);
  font: inherit;
}
.contact-form textarea {
  min-height: 170px;
  resize: vertical;
}
.contact-form .consent {
  display: flex;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 650;
}
.contact-form .consent input {
  width: auto;
  margin-top: 4px;
}
.form-success {
  padding: 13px;
  border-radius: 9px;
  background: var(--subtle);
  color: var(--ink);
  font-weight: 750;
}
html[data-theme="dark"] {
  --ink: #edf4f0;
  --muted: #a7b5ad;
  --line: #33463c;
  --paper: #0f1713;
  --white: #18231d;
  --green: #65d2aa;
  --dark: #09140f;
  --field: #121d17;
  --field-border: #405349;
  --subtle: #243229;
  --soft-panel: #19271f;
  --soft-panel-ink: #b7c7bd;
  --interaction: #8da6c2;
  --action-bg: #4f6682;
  --action-hover: #6d89ac;
  --action-active: #344961;
  --action-ink: #f8fafc;
  --focus-ring: rgba(141, 166, 194, 0.32);
}
html[data-theme="dark"] .tool-card:hover {
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.25);
}
html[data-theme="dark"] .tool-card.featured {
  border-color: #40546b;
  background: #293a4d;
  color: #f1f5f9;
}
html[data-theme="dark"] .tool-card.featured p {
  color: #bac7d4;
}
html[data-theme="dark"] .tool-num {
  color: #91a8c0;
}
html[data-theme="dark"] .featured .icon {
  background: #152231;
  color: #b8c9db;
}
html[data-theme="dark"] .featured b {
  color: #a9bfd6;
}
html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] select:required:invalid,
html[data-theme="dark"] .field-optional {
  color: #91a198;
}
html[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23dce9e2' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='16' rx='2'/%3E%3Cpath d='M16 3v4M8 3v4M3 10h18'/%3E%3C/svg%3E");
  filter: none;
  opacity: 0.96;
}
html[data-theme="dark"] .primary {
  background: var(--action-bg);
  color: var(--action-ink);
}
html[data-theme="dark"] .primary:hover {
  background: var(--action-hover);
}
html[data-theme="dark"] .button {
  background: var(--action-bg);
  color: var(--action-ink);
}
html[data-theme="dark"] .button:hover {
  background: var(--action-hover);
}
@media (max-width: 760px) {
  .nav {
    height: 65px;
    padding: 0 18px;
  }
  .nav nav {
    display: none;
  }
  .calculator-quick-nav {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding: 9px 18px 11px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    scrollbar-width: none;
  }
  .calculator-quick-nav::-webkit-scrollbar {
    display: none;
  }
  .calculator-quick-nav a {
    flex: 0 0 auto;
    padding: 7px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
  }
  .calculator-quick-nav a[aria-current="page"] {
    border-color: var(--action-bg);
    background: var(--action-bg);
    color: var(--action-ink);
  }
  .nav-cta {
    margin-left: auto;
    font-size: 0.72rem;
    padding: 9px 11px;
  }
  .theme-switcher {
    margin-left: auto;
  }
  .theme-switcher button {
    min-height: 28px;
    padding: 0 7px;
    font-size: 0.65rem;
  }
  .hero {
    min-height: 580px;
    padding: 62px 27px;
    border-radius: 0;
  }
  .hero-orb {
    right: -220px;
    bottom: -280px;
  }
  .tools,
  .calc-wrap {
    padding: 55px 18px;
  }
  .legal-notice {
    margin: -20px 0 24px;
  }
  .section-head {
    display: block;
  }
  .section-head > p {
    margin-top: 13px;
  }
  .tool-grid,
  .calculator,
  .disclaimer {
    grid-template-columns: 1fr;
  }
  .tool-card.featured {
    grid-column: auto;
  }
  .tool-card {
    min-height: 225px;
  }
  .disclaimer {
    gap: 25px;
    padding: 35px 25px;
    border-radius: 0;
  }
  .field-grid {
    grid-template-columns: 1fr;
  }
  .advanced-grid {
    grid-template-columns: 1fr;
  }
  .advanced-grid .check,
  .advanced-grid .check-row {
    grid-column: auto;
  }
  .field-grid .full {
    grid-column: auto;
  }
  .result-card {
    position: static;
  }
  .calculator-page .nav nav {
    display: none;
  }
  .calc-intro h1 {
    font-size: 2.75rem;
  }
  footer {
    padding: 32px 18px;
  }
  .content-guide {
    margin: 0 18px 38px;
    padding: 28px 22px;
  }
  .calculator + .content-guide,
  .calculator-grid + .content-guide,
  .disclaimer + .content-guide {
    margin-top: 30px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .site-footer {
    grid-template-columns: 1fr;
    padding: 30px 18px 40px;
  }
  .footer-links {
    justify-content: flex-start;
  }
  .policy-page {
    padding: 45px 18px 70px;
  }
}