/* Standalone editorial shell. Colors and module identities come from the project design system. */
.landing {
  --brand: #004a99;
  --ink: #1e293b;
  --muted: #475569;
  --line: #e2e8f0;
  --surface: #f8fafc;
  --module-color: var(--std-primary);
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}
.landing *, .landing *::before, .landing *::after { box-sizing: border-box; }
.landing [hidden] { display: none !important; }
.landing img { max-width: 100%; height: auto; }
.landing h1, .landing h2, .landing h3, .landing p { margin-top: 0; }
.landing h1, .landing h2, .landing h3 { line-height: 1.2; letter-spacing: -.025em; }
.landing h1 { font-size: clamp(2.1rem, 4.3vw, 3.65rem); font-weight: 700; margin-bottom: 1.5rem; }
.landing h2 { font-size: clamp(1.6rem, 2.6vw, 2.35rem); font-weight: 650; margin-bottom: 1.1rem; }
.landing h3 { font-size: 1.18rem; font-weight: 650; margin-bottom: .75rem; }
.landing p { color: var(--muted); margin-bottom: 1.25rem; }
.landing a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.landing button, .landing input { font: inherit; }
.landing button { cursor: pointer; }
.landing :focus-visible { outline: 3px solid var(--brand); outline-offset: 4px; }
.landing .container { width: min(1192px, calc(100% - 64px)); margin-inline: auto; }
.landing .section { padding-block: 68px; }
.landing .soft-section { background: var(--surface); border-block: 1px solid var(--line); }
.landing .lead { font-size: 1.15rem; line-height: 1.75; max-width: 650px; }
.landing .small, .landing .field-help { font-size: .84rem; line-height: 1.65; }
.landing .eyebrow { font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); margin-bottom: 1rem; }
.landing .icon { width: 24px; height: 24px; flex-shrink: 0; vertical-align: middle; }
.landing .icon-box { width: 48px; height: 48px; border-radius: .75rem; background: var(--surface); display: grid; place-items: center; color: var(--ink); border: 1px solid var(--line); border-top: 3px solid var(--module-color); margin-bottom: 1.4rem; }
.landing .card { background: white; border: 1px solid var(--line); border-radius: .75rem; box-shadow: 0 3px 12px rgb(30 41 59 / 3%); padding: 30px; }
.landing .button { min-height: 46px; display: inline-flex; justify-content: center; align-items: center; gap: 12px; padding: 12px 20px; border: 1px solid var(--brand); border-radius: .5rem; background: var(--brand); color: white; font-weight: 600; font-size: .9rem; text-decoration: none; line-height: 1.4; transition: background 160ms ease, box-shadow 160ms ease; }
.landing .button:hover { background: #003366; border-color: #003366; }
.landing .button .icon { width: 19px; height: 19px; }
.landing .button-outline { background: transparent; color: var(--brand); }
.landing .button-outline:hover { background: var(--surface); color: var(--brand); border-color: var(--brand); }
.landing .button-quiet { background: transparent; color: var(--muted); border-color: transparent; }
.landing .button-quiet:hover { color: var(--ink); background: var(--surface); border-color: var(--line); }
.landing .button-small { min-height: 44px; padding: 10px 15px; font-size: .8rem; }
.landing .button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 25px; }
.landing .text-link { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; font-weight: 600; font-size: .9rem; text-decoration: none; }
.landing .text-link:hover { text-decoration: underline; }
.landing .text-link .icon { width: 18px; height: 18px; }
.landing .pill { display: inline-block; border: 1px solid var(--line); border-radius: 5px; padding: 4px 9px; font-size: .76rem; color: var(--muted); background: var(--surface); line-height: 1.6; }
.landing .preview-strip { background: var(--surface); color: var(--muted); border-bottom: 1px solid var(--line); text-align: center; font-size: .75rem; padding: 6px 16px; }
.landing .site-header { background: #fff; border-bottom: 1px solid var(--line); }
.landing .header-inner { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.landing .brand { display: inline-flex; min-height: 44px; align-items: center; flex-shrink: 0; }
.landing .brand img { width: 222px; height: auto; display: block; }
.landing .site-nav { display: flex; align-items: center; gap: 25px; }
.landing .site-nav > a:not(.button) { font-size: .85rem; color: var(--muted); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.landing .site-nav > a:hover, .landing .site-nav > a[aria-current] { color: var(--brand); }
.landing .menu-toggle { display: none; background: white; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; color: var(--ink); min-height: 44px; }
.landing .menu-lines { width: 16px; height: 11px; border-block: 2px solid currentColor; display: inline-block; margin-left: 8px; }
.landing .hero { display: grid; grid-template-columns: 1fr 1.04fr; align-items: center; gap: 54px; padding-top: 86px; padding-bottom: 78px; }
.landing .hero-copy h1 span { color: var(--brand); }
.landing .hero-note { font-size: .78rem; margin-top: 21px; max-width: 360px; }
.landing .overview-visual { border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 14px 44px rgb(0 74 153 / 8%); transform: translateY(-4px); overflow: hidden; }
.landing .visual-heading { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding: 17px 22px; gap: 10px; }
.landing .visual-brand { color: var(--brand); font-size: .88rem; font-weight: 700; }
.landing .visual-body { display: grid; grid-template-columns: 112px 1fr; min-height: 316px; }
.landing .visual-sidebar { border-right: 1px solid var(--line); padding: 21px 10px; background: var(--surface); }
.landing .sidebar-item { font-size: .75rem; display: block; padding: 10px 7px; color: var(--muted); border-radius: 5px; margin-bottom: 5px; }
.landing .sidebar-item.active { background: white; color: var(--brand); border: 1px solid var(--line); }
.landing .visual-content { padding: 22px 16px; min-width: 0; }
.landing .visual-title { display: flex; flex-direction: column; margin-bottom: 20px; font-size: 1.05rem; font-weight: 650; }
.landing .visual-title .small { color: var(--muted); font-weight: 400; font-size: .76rem; }
.landing .visual-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.landing .visual-tile { border: 1px solid var(--line); border-left: 3px solid var(--module-color); border-radius: 6px; padding: 13px 9px; display: flex; flex-direction: column; gap: 5px; font-size: .8rem; }
.landing .visual-tile .icon { width: 19px; height: 19px; color: var(--muted); margin-bottom: 5px; }
.landing .visual-tile strong { font-size: .76rem; font-weight: 650; }
.landing .visual-tile span { color: var(--muted); font-size: .75rem; line-height: 1.4; }
.landing .visual-flow { margin-top: 19px; padding: 12px; background: var(--surface); border-radius: 6px; }
.landing .flow-title { display: block; margin-bottom: 11px; color: var(--muted); font-size: .75rem; }
.landing .visual-flow > div { display: flex; justify-content: space-between; align-items: center; gap: 6px; font-size: .75rem; }
.landing .visual-flow .icon { width: 14px; height: 14px; color: var(--brand); }
.landing .visual-privacy { display: flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--muted); font-size: .75rem; }
.landing .visual-privacy .icon { width: 17px; height: 17px; }
.landing .value-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); padding-block: 23px; gap: 22px; }
.landing .value-strip > div { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: .88rem; }
.landing .value-strip .icon { color: var(--brand); }
.landing .section-heading { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 29px; }
.landing .section-heading p:last-child { margin-bottom: 0; }
.landing .module-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 19px; margin-top: 28px; }
.landing .module-card { border-top: 3px solid var(--module-color); display: flex; flex-direction: column; padding: 26px 23px; transition: box-shadow 160ms ease; }
.landing .module-card:hover { box-shadow: 0 8px 22px rgb(30 41 59 / 7%); }
.landing .module-card .eyebrow { font-size: .75rem; color: var(--muted); letter-spacing: .04em; margin-bottom: 12px; }
.landing .module-card h3 { font-size: 1.2rem; }
.landing .module-card h3 a { color: var(--ink); text-decoration: none; }
.landing .module-card h3 a:hover { color: var(--brand); }
.landing .module-card p:not(.eyebrow) { font-size: .86rem; }
.landing .module-card .text-link { margin-top: auto; font-size: .8rem; }
.landing .split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; align-items: center; }
.landing .split-section > *, .landing .module-hero > *, .landing .converter-layout > * { min-width: 0; }
.landing .numbered-list { list-style: none; counter-reset: step; margin: 0; padding: 0; }
.landing .numbered-list li { counter-increment: step; position: relative; padding-left: 57px; margin-bottom: 27px; }
.landing .numbered-list li:last-child { margin-bottom: 0; }
.landing .numbered-list li::before { content: "0" counter(step); position: absolute; top: 0; left: 0; color: var(--brand); background: white; border: 1px solid var(--line); border-radius: 7px; width: 39px; height: 39px; display: grid; place-items: center; font-size: .8rem; font-weight: 600; }
.landing .numbered-list strong { display: block; margin-bottom: 6px; font-size: 1.05rem; }
.landing .numbered-list p { font-size: .91rem; margin-bottom: 0; }
.landing .tool-illustration { background: var(--surface); border: 1px solid var(--line); border-radius: .75rem; padding: 43px; display: flex; flex-direction: column; align-items: start; }
.landing .tool-illustration > .icon { width: 43px; height: 43px; color: var(--brand); margin-bottom: 24px; }
.landing .tool-illustration strong { font-size: 1.65rem; line-height: 1.25; }
.landing .coordinate-example { margin-block: 28px 15px; color: var(--brand); font-size: .95rem; font-weight: 600; display: flex; flex-wrap: wrap; gap: 12px; }
.landing .tool-illustration .small { color: var(--muted); }
.landing .privacy-feature { display: flex; gap: 26px; align-items: start; border-top: 1px solid var(--line); }
.landing .privacy-feature > .icon-box { flex-shrink: 0; }
.landing .privacy-feature > div:last-child { max-width: 780px; }
.landing .contact-band { border-radius: .75rem; padding: 38px; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--brand); display: flex; align-items: center; justify-content: space-between; gap: 38px; margin-bottom: 72px; }
.landing .contact-band > div { max-width: 710px; }
.landing .contact-band h2 { font-size: 1.7rem; }
.landing .contact-band p:last-child { margin-bottom: 0; }
.landing .contact-band > .button { flex-shrink: 0; }
.landing .site-footer { border-top: 1px solid var(--line); padding-top: 47px; background: var(--surface); }
.landing .footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 55px; padding-bottom: 30px; }
.landing .footer-brand img { width: 209px; }
.landing .footer-grid p { margin-top: 18px; font-size: .85rem; }
.landing .footer-grid .eyebrow { margin-top: 0; }
.landing .footer-grid nav { display: flex; flex-direction: column; }
.landing .footer-grid nav a { min-height: 36px; color: var(--muted); text-decoration: none; font-size: .85rem; }
.landing .footer-grid nav a:hover { text-decoration: underline; }
.landing .email-link { overflow-wrap: anywhere; font-size: .88rem; }
.landing .footer-bottom { border-top: 1px solid var(--line); padding-block: 20px; display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: .76rem; }
.landing .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .78rem; margin-top: 22px; color: var(--muted); }
.landing .breadcrumb a { min-height: 32px; display: inline-flex; align-items: center; text-decoration: none; }
.landing .page-intro { padding-top: 62px; padding-bottom: 15px; }
.landing .page-intro h1 { max-width: 900px; }
.landing .catalog-controls { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 28px; }
.landing .search-label { width: 340px; font-size: .84rem; font-weight: 600; }
.landing input { display: block; width: 100%; padding: 12px 14px; border: 1px solid #64748b; border-radius: 6px; background: white; color: var(--ink); margin-top: 8px; min-height: 46px; }
.landing input::placeholder { color: #64748b; opacity: 1; }
.landing input[aria-invalid="true"] { border: 2px solid var(--std-danger); }
.landing .filter-list { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; }
.landing .filter-button { border: 1px solid var(--line); color: var(--muted); background: white; border-radius: 6px; padding: 10px 14px; font-size: .8rem; min-height: 44px; }
.landing .filter-button[aria-pressed="true"] { color: white; background: var(--brand); border-color: var(--brand); }
.landing .catalog-section { padding-top: 30px; }
.landing .empty-state { padding: 35px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.landing .info-note { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--brand); border-radius: 8px; padding: 28px; margin-bottom: 55px; }
.landing .info-note h2 { font-size: 1.3rem; }
.landing .info-note p:last-child { margin-bottom: 0; }
.landing .module-hero { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: center; padding-block: 48px 62px; }
.landing .module-hero h1 { font-size: clamp(2rem, 3.8vw, 3.15rem); }
.landing .module-heading-icon { border-top-width: 4px; }
.landing .module-summary { background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--module-color); border-radius: .75rem; padding: 35px; }
.landing .module-summary h2 { font-size: 2rem; line-height: 1.35; }
.landing .module-summary p:not(.eyebrow) { font-size: .9rem; }
.landing .narrow-copy { max-width: 820px; }
.landing .feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.landing .feature-grid:has(> :nth-child(4)) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.landing .feature-card h2 { font-size: 1.28rem; }
.landing .feature-card p { font-size: .92rem; margin-bottom: 0; }
.landing .feature-index { display: block; color: var(--brand); font-weight: 600; margin-bottom: 28px; font-size: .82rem; }
.landing .steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; padding: 0; gap: 30px; margin-block: 35px 0; }
.landing .steps li { border-top: 2px solid var(--module-color); padding-top: 23px; }
.landing .step-number { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; color: var(--brand); font-size: .8rem; margin-bottom: 20px; }
.landing .steps h3 { font-size: 1.1rem; }
.landing .faq-list details { border-bottom: 1px solid var(--line); padding-block: 16px; }
.landing .faq-list summary { cursor: pointer; font-weight: 600; font-size: .94rem; min-height: 44px; padding: 9px 6px; }
.landing .faq-list details p { padding: 10px 6px 0; font-size: .9rem; }
.landing .module-page .module-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.landing .tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.landing .tool-card .pill { margin-bottom: 20px; }
.landing .tool-card h2 { font-size: 1.7rem; }
.landing .legal-copy { max-width: 850px; }
.landing .legal-copy h2 { font-size: 1.4rem; margin-top: 33px; }
.landing .legal-copy h2:first-child { margin-top: 0; }
.landing .contact-card { padding: 38px; }
.landing .contact-card h2 { font-size: 1.5rem; }
.landing .contact-email { font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 600; overflow-wrap: anywhere; display: inline-flex; min-height: 44px; align-items: center; }
.landing .check-list { padding: 0; list-style: none; }
.landing .check-list li { display: flex; gap: 12px; align-items: start; margin-bottom: 18px; color: var(--muted); }
.landing .check-list .icon { color: var(--brand); margin-top: 3px; }
.landing .converter-layout { display: grid; grid-template-columns: 1.65fr 1fr; gap: 50px; align-items: start; }
.landing .converter-card h2 { font-size: 1.45rem; }
.landing .converter-card h3 { font-size: 1.2rem; }
.landing .converter-card label { font-weight: 600; font-size: .92rem; }
.landing .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.landing .field-help { margin-top: 8px; }
.landing .form-error { background: var(--surface); padding: 13px; border-left: 3px solid var(--std-danger); color: var(--ink); border-radius: 4px; }
.landing .coordinate-result { border-top: 1px solid var(--line); padding-top: 25px; margin-top: 30px; }
.landing .coordinate-result dt { color: var(--muted); font-size: .8rem; }
.landing .coordinate-result dd { margin: 5px 0 17px; color: var(--brand); font-weight: 600; overflow-wrap: anywhere; }
.landing .converter-help h2 { font-size: 1.6rem; }
.landing .converter-help h3 { margin-top: 25px; }
.landing .converter-help p { font-size: .92rem; }
.landing .skip-link { position: fixed; top: -100px; left: 16px; z-index: 10; padding: 12px 18px; background: white; color: var(--brand); border: 2px solid var(--brand); }
.landing .skip-link:focus { top: 10px; }
.landing .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (min-width: 1600px) { .landing .container { width: min(1280px, calc(100% - 100px)); } }
@media (max-width: 1100px) {
  .landing .container { width: calc(100% - 48px); }
  .landing .header-inner { gap: 15px; }
  .landing .brand img { width: 188px; }
  .landing .site-nav { gap: 15px; }
  .landing .site-nav > a:not(.button) { font-size: .8rem; }
  .landing .hero { gap: 35px; padding-block: 65px; }
  .landing .visual-body { grid-template-columns: 87px 1fr; }
  .landing .visual-sidebar { padding-inline: 6px; }
  .landing .visual-content { padding-inline: 12px; }
  .landing .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing .split-section { gap: 48px; }
  .landing .contact-band { flex-direction: column; align-items: start; }
  .landing .module-hero { gap: 40px; }
  .landing .feature-grid:has(> :nth-child(4)) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing .converter-layout { grid-template-columns: 1.7fr 1fr; gap: 28px; }
  .landing .form-grid { grid-template-columns: 1fr; gap: 5px; }
}
@media (max-width: 900px) {
  .landing .header-inner { flex-wrap: wrap; min-height: 82px; padding-block: 14px; }
  .landing .menu-toggle:not([hidden]) { display: block; }
  .landing .site-nav { width: 100%; flex-wrap: wrap; padding-block: 10px; gap: 14px 25px; }
  .landing .site-nav[data-enhanced="true"]:not(.is-open) { display: none; }
  .landing .hero { grid-template-columns: 1fr; gap: 43px; }
  .landing .hero-copy { max-width: 650px; }
  .landing .overview-visual { width: 100%; max-width: 620px; }
  .landing .visual-body { grid-template-columns: 120px 1fr; }
  .landing .visual-content { padding: 25px; }
  .landing .split-section, .landing .module-hero { grid-template-columns: 1fr; gap: 35px; }
  .landing .module-summary { max-width: 620px; }
  .landing .module-page .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing .feature-grid { grid-template-columns: 1fr; }
  .landing .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .landing .footer-grid > :last-child { grid-column: 1 / -1; }
  .landing .converter-layout { grid-template-columns: 1fr; }
  .landing .form-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
}
@media (max-width: 600px) {
  .landing .container { width: calc(100% - 32px); }
  .landing .section { padding-block: 43px; }
  .landing .hero { padding-block: 45px; }
  .landing h1 { font-size: 2.2rem; }
  .landing h2 { font-size: 1.6rem; }
  .landing .hero-note { max-width: none; }
  .landing .hero .button-row .button { width: 100%; }
  .landing .visual-body { grid-template-columns: 1fr; min-height: auto; }
  .landing .visual-sidebar { display: none; }
  .landing .visual-content { padding: 17px 12px; }
  .landing .visual-heading { padding: 14px; }
  .landing .visual-tiles { gap: 5px; }
  .landing .visual-tile { padding: 12px 7px; }
  .landing .visual-tile strong { font-size: .75rem; overflow-wrap: anywhere; }
  .landing .visual-tile span { font-size: .75rem; }
  .landing .value-strip { grid-template-columns: 1fr; gap: 18px; }
  .landing .section-heading { flex-direction: column; align-items: start; gap: 13px; }
  .landing .module-grid, .landing .module-page .module-grid, .landing .tool-grid { grid-template-columns: 1fr; }
  .landing .card { padding: 25px; }
  .landing .tool-illustration { padding: 30px 25px; }
  .landing .privacy-feature { gap: 16px; }
  .landing .privacy-feature h2 { font-size: 1.4rem; }
  .landing .privacy-feature > .icon-box { width: 37px; height: 37px; }
  .landing .contact-band { padding: 25px; margin-bottom: 40px; gap: 25px; }
  .landing .contact-band h2 { font-size: 1.5rem; }
  .landing .contact-band > .button { width: 100%; }
  .landing .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .landing .footer-bottom { flex-direction: column; gap: 4px; }
  .landing .page-intro { padding-top: 38px; }
  .landing .module-hero { padding-top: 30px; }
  .landing .module-hero h1 { font-size: 2rem; }
  .landing .module-summary { padding: 27px; }
  .landing .feature-grid:has(> :nth-child(4)), .landing .steps { grid-template-columns: 1fr; }
  .landing .steps { gap: 25px; }
  .landing .search-label { width: 100%; }
  .landing .catalog-controls { gap: 20px; }
  .landing .form-grid { grid-template-columns: 1fr; gap: 5px; }
  .landing .converter-card .button-row .button, .landing .contact-card .button-row .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .landing *, .landing *::before, .landing *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }