:root { color-scheme: light; --ink: #173d35; --muted: #63716b; --teal: #176d59; --teal-dark: #12513f; --paper: #f7f8f4; --line: #e2e7df; --soft: #edf4ed; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a, summary, input { -webkit-tap-highlight-color: transparent; }
button, summary { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button:disabled { cursor: wait; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #90b8a5; outline-offset: 5px; }
[hidden] { display: none !important; }
svg { display: block; width: 24px; height: 24px; flex-shrink: 0; }
p, h1, h2, h3 { margin: 0; }
.wrap { width: min(1100px, calc(100% - 64px)); margin-inline: auto; }
.site-header { min-height: 106px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--teal); color: white; transform: rotate(-5deg); }
.brand-mark svg { transform: rotate(5deg); }
.brand-name { font-size: 24px; font-weight: 700; letter-spacing: -.9px; line-height: 1.1; }
.brand-by { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .4px; }
.site-header nav { display: flex; align-items: center; gap: 34px; font-size: 13px; font-weight: 500; }
.site-header nav a:hover { color: var(--teal); }
.site-header .nav-cta { border: 1px solid #ced9cd; border-radius: 8px; padding: 9px 15px; }
.nav-cta span { padding-left: 12px; }
.hero { padding-top: 60px; text-align: center; }
.eyebrow { display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--teal); font-size: 11px; line-height: 1.5; font-weight: 650; letter-spacing: 1.7px; text-transform: uppercase; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #3f8c66; box-shadow: 0 0 0 4px #e4eee0; }
h1 { margin-top: 21px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(43px, 5.8vw, 70px); line-height: 1.07; font-weight: 400; letter-spacing: -2.8px; }
h1 em { color: var(--teal); font-weight: 400; }
.hero-description { margin-top: 23px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.verifier { max-width: 780px; margin: 35px auto 0; padding: 26px 30px 0; border: 1px solid #dde4d9; border-radius: 19px; background: #fff; box-shadow: 0 15px 45px -22px #2349312b, 0 3px 8px -5px #23493112; text-align: left; }
.form-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 23px; }
.small-label { font-size: 10px; line-height: 1.5; font-weight: 700; letter-spacing: 1.2px; }
.private-label { display: flex; align-items: center; gap: 5px; color: #6d7a71; font-size: 11px; }
.private-label svg { width: 15px; height: 15px; }
label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 600; }
.input-row { display: flex; gap: 10px; }
.email-field { display: flex; align-items: center; flex: 1; min-width: 0; position: relative; }
.email-field svg { position: absolute; left: 16px; width: 21px; height: 21px; color: #849189; pointer-events: none; }
input { width: 100%; height: 56px; padding: 0 14px 0 47px; border: 1px solid #d8e0d5; border-radius: 9px; background: #fcfdfa; color: var(--ink); font-size: 16px; transition: border-color .15s, box-shadow .15s; }
input::placeholder { color: #97a198; opacity: 1; }
input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px #176d5914; }
input[aria-invalid="true"] { border-color: #b5513f; }
.primary-button { display: flex; align-items: center; justify-content: center; gap: 24px; min-width: 174px; min-height: 56px; padding: 0 21px; border: 1px solid var(--teal); border-radius: 9px; background: var(--teal); color: white; font-size: 14px; font-weight: 600; transition: background .15s; }
.primary-button:hover { background: var(--teal-dark); }
.primary-button:disabled { background: #427c69; border-color: #427c69; }
.button-arrow { font-size: 21px; font-weight: 400; }
.spinner { display: none; width: 17px; height: 17px; border: 2px solid #ffffff66; border-top-color: white; border-radius: 50%; animation: spin .8s linear infinite; }
.primary-button:disabled .spinner { display: block; }
.primary-button:disabled .button-arrow { display: none; }
.form-help { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 11px; color: #818b83; font-size: 11px; }
.text-button { border: 0; padding: 3px 0; background: transparent; color: var(--teal); font-size: 11px; font-weight: 600; text-decoration: underline; text-decoration-color: #bdcfc4; text-underline-offset: 4px; }
.text-button:hover { text-decoration-color: currentColor; }
.text-button span { margin-left: 4px; }
.text-button:disabled { opacity: .5; }
.example-note { margin-top: 13px; color: var(--muted); font-size: 12px; }
.check-preview { display: flex; justify-content: center; flex-wrap: wrap; gap: 31px; margin-top: 25px; padding: 17px 10px; border-top: 1px solid var(--line); color: #657669; font-size: 11px; }
.check-preview > span { display: flex; align-items: center; gap: 7px; }
.mini-check { color: #5b8c65; font-size: 13px; }
.under-form { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 5px; margin: 17px auto 0; color: #7b867d; font-size: 10px; }
.under-form svg { width: 15px; height: 15px; margin-right: 2px; }
.under-form a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: #c1cbc0; }
.error-message { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 20px; padding: 14px 16px; border: 1px solid #efd4cd; border-radius: 8px; background: #fdf6f2; color: #92503d; font-size: 12px; }
.error-message strong { font-weight: 600; }
.error-message p { margin-top: 2px; }
.error-message button { flex-shrink: 0; color: inherit; }
.loading-message { display: flex; align-items: center; gap: 9px; margin-top: 22px; color: var(--muted); font-size: 12px; }
.loading-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); animation: pulse 1.2s ease-in-out infinite; }
.result { margin-top: 24px; padding: 24px 0 20px; border-top: 1px solid var(--line); }
.result-heading { display: flex; align-items: center; gap: 12px; }
.result-icon { display: grid; place-items: center; flex-shrink: 0; width: 43px; height: 43px; border-radius: 50%; background: #e7f2e9; color: #237046; font-size: 23px; }
.result h2 { margin-top: 2px; font-size: 20px; font-weight: 600; letter-spacing: -.5px; line-height: 1.35; }
#result-label { color: #3e7957; font-size: 9px; }
.result[data-status="fail"] .result-icon { background: #fae9e3; color: #ab543c; }
.result[data-status="fail"] #result-label { color: #a65038; }
.result[data-status="unknown"] .result-icon { background: #f7efdc; color: #966f1f; }
.result[data-status="unknown"] #result-label { color: #946f26; }
.result-email { margin-top: 20px; color: var(--ink); font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.result-summary { margin-top: 4px; color: var(--muted); font-size: 13px; }
.check-list { margin: 20px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.check-list li { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.check-label { display: block; font-size: 12px; font-weight: 600; }
.check-detail { margin-top: 3px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.check-status { flex-shrink: 0; padding: 2px 8px; border-radius: 5px; background: #f0f2ed; color: #738075; font-size: 10px; font-weight: 600; white-space: nowrap; }
.check-status[data-status="pass"] { background: #edf5eb; color: #35754f; }
.check-status[data-status="fail"] { background: #fcf0eb; color: #a55038; }
.check-status[data-status="unknown"] { background: #f9f3e4; color: #8c6924; }
.mx-details { margin-top: 14px; color: var(--muted); font-size: 11px; }
.mx-details summary { display: flex; justify-content: space-between; padding: 7px 0; font-weight: 600; }
.mx-table-wrap { overflow-x: auto; }
.mx-details table { width: 100%; margin-top: 6px; border-collapse: collapse; text-align: left; }
.mx-details caption { padding: 0 0 10px; text-align: left; overflow-wrap: anywhere; }
.mx-details th, .mx-details td { padding: 7px 10px; border-bottom: 1px solid var(--line); }
.mx-details th { background: #f6f8f2; font-size: 10px; }
.mx-details td:first-child { overflow-wrap: anywhere; }
.mx-details th:last-child, .mx-details td:last-child { width: 70px; text-align: right; }
.result-note { display: flex; align-items: flex-start; gap: 9px; margin-top: 18px; padding: 12px 13px; border-radius: 8px; background: #f5f6f1; color: #697469; font-size: 11px; line-height: 1.6; }
.result-note svg { width: 17px; height: 17px; margin-top: 1px; }
.result-timing { margin-top: 12px; color: #8b948b; font-size: 10px; text-align: right; }
.how-section { padding-top: 83px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 25px; }
.section-heading .eyebrow, .faq-intro .eyebrow { justify-content: flex-start; font-size: 9px; letter-spacing: 1.6px; }
h2 { font-family: Georgia, "Times New Roman", serif; font-size: 34px; line-height: 1.25; letter-spacing: -.8px; font-weight: 400; }
.section-heading h2 { margin-top: 9px; }
.section-heading > p { color: #869080; font-size: 12px; line-height: 1.6; text-align: right; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { padding: 25px; border: 1px solid #e0e6da; border-radius: 12px; background: #f1f4ed; }
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.step-icon { display: grid; place-items: center; width: 41px; height: 41px; border: 1px solid #dae4d3; border-radius: 10px; background: #f9fbf5; color: #548169; }
.step-icon svg { width: 22px; height: 22px; }
.step-number { color: #8c9b85; font-family: Georgia, "Times New Roman", serif; font-size: 14px; }
.step h3 { font-size: 15px; line-height: 1.4; font-weight: 600; letter-spacing: -.3px; }
.step p { max-width: 275px; margin-top: 10px; color: #71806e; font-size: 12px; line-height: 1.8; }
.faq-section { display: grid; grid-template-columns: .85fr 1.5fr; gap: 68px; margin-top: 81px; padding-top: 48px; border-top: 1px solid var(--line); }
.faq-intro h2 { margin-top: 11px; font-size: 36px; }
.faq-intro > p:not(.eyebrow) { margin-top: 15px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.faq-decoration { display: block; margin-top: 21px; color: #d6e2d0; font-family: Georgia, "Times New Roman", serif; font-size: 76px; line-height: 1; transform: rotate(-12deg); }
.faqs details { border-bottom: 1px solid #dfe5d9; }
.faqs details:first-child { border-top: 1px solid #dfe5d9; }
summary { list-style: none; }
summary::-webkit-details-marker { display: none; }
.faqs summary { display: flex; justify-content: space-between; align-items: center; gap: 25px; padding: 20px 0; font-size: 13px; font-weight: 500; line-height: 1.5; }
summary > span { color: #788b74; font-size: 19px; font-weight: 400; transition: transform .2s; }
details[open] > summary > span { transform: rotate(45deg); }
.faqs details p { padding: 0 27px 21px 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.faqs summary:hover { color: var(--teal); }
.faqs #privacy:target { background: #eef3e8; border-radius: 6px; padding-inline: 12px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 77px; padding: 29px 0 33px; border-top: 1px solid var(--line); }
.footer-brand .brand-mark { width: 30px; height: 30px; border-radius: 9px; }
.footer-brand .brand-mark svg { width: 20px; height: 20px; }
.footer-brand .brand-name { font-size: 18px; letter-spacing: -.5px; }
.footer-brand .brand-by { font-size: 8px; margin-top: 3px; }
.site-footer p { color: #8a9386; font-family: Georgia, "Times New Roman", serif; font-size: 13px; font-style: italic; }
.site-footer > a:last-child { color: #6c7b66; font-size: 11px; }
.site-footer > a:last-child span { padding-left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: 8px; left: 8px; z-index: 5; padding: 10px 14px; transform: translateY(-150%); background: var(--teal); color: white; border-radius: 6px; }
.skip-link:focus { transform: translateY(0); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .35; } }
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 86px; }
  .site-header nav { gap: 23px; font-size: 12px; }
  .site-header .nav-cta { display: none; }
  .hero { padding-top: 43px; }
  h1 { font-size: 53px; letter-spacing: -2.2px; }
  .hero-description { font-size: 14px; }
  .verifier { margin-top: 29px; padding: 23px 23px 0; }
  .primary-button { min-width: 151px; padding-inline: 16px; gap: 17px; }
  .under-form { max-width: 380px; line-height: 1.8; }
  .how-section { padding-top: 61px; }
  .steps { gap: 10px; }
  .step { padding: 19px; }
  .step-top { margin-bottom: 22px; }
  .step h3 { font-size: 14px; }
  .step p { font-size: 11px; }
  .faq-section { gap: 30px; margin-top: 57px; padding-top: 36px; grid-template-columns: .8fr 1.5fr; }
  .faq-intro h2 { font-size: 30px; }
  .site-footer { margin-top: 56px; }
}
@media (max-width: 540px) {
  .wrap { width: calc(100% - 32px); }
  .brand-mark { width: 33px; height: 33px; border-radius: 10px; }
  .brand-name { font-size: 22px; }
  .brand-by { font-size: 9px; }
  .site-header nav { gap: 20px; font-size: 11px; }
  .hero { padding-top: 38px; }
  .eyebrow { font-size: 8px; letter-spacing: 1.4px; }
  h1 { margin-top: 19px; font-size: clamp(36px, 10.2vw, 50px); letter-spacing: -1.6px; }
  .hero-description { max-width: 300px; margin: 19px auto 0; font-size: 13px; }
  .desktop-break { display: none; }
  .verifier { margin-top: 25px; padding: 20px 18px 0; border-radius: 14px; }
  .form-heading { margin-bottom: 20px; gap: 8px; }
  .small-label { font-size: 9px; letter-spacing: 1px; }
  .private-label { font-size: 9px; }
  .private-label svg { width: 13px; height: 13px; }
  .input-row { flex-direction: column; gap: 10px; }
  input { height: 53px; }
  .primary-button { width: 100%; min-height: 49px; gap: 12px; }
  .form-help { font-size: 10px; gap: 6px; }
  .text-button { font-size: 10px; }
  .check-preview { gap: 15px; margin-top: 19px; padding: 15px 0; font-size: 9px; }
  .check-preview > span { gap: 4px; }
  .under-form { max-width: 310px; margin-top: 14px; gap: 3px; font-size: 9px; }
  .under-form a { flex-basis: 100%; }
  .under-form svg { width: 13px; height: 13px; }
  .result h2 { font-size: 19px; }
  .result-icon { width: 36px; height: 36px; font-size: 21px; }
  .result-summary { font-size: 12px; }
  .check-list li { gap: 10px; }
  .check-detail { font-size: 11px; }
  .check-status { padding: 2px 6px; font-size: 9px; }
  .result-note { font-size: 10px; padding: 11px; }
  .error-message { flex-direction: column; align-items: flex-start; gap: 4px; }
  .loading-message { font-size: 11px; }
  .section-heading { margin-bottom: 19px; }
  .section-heading h2 { font-size: 29px; }
  .section-heading > p { display: none; }
  .steps { grid-template-columns: 1fr; gap: 12px; }
  .step { position: relative; padding: 22px 23px 22px 81px; min-height: 127px; }
  .step-top { margin: 0; }
  .step-icon { position: absolute; left: 23px; top: 23px; width: 38px; height: 38px; }
  .step-number { position: absolute; right: 18px; top: 14px; font-size: 11px; color: #a2ac99; }
  .step h3 { padding-right: 10px; font-size: 14px; }
  .step p { margin-top: 7px; max-width: none; font-size: 12px; line-height: 1.7; }
  .faq-section { grid-template-columns: 1fr; gap: 25px; margin-top: 42px; padding-top: 35px; }
  .faq-intro h2 { font-size: 30px; }
  .faq-intro h2 br { display: none; }
  .faq-intro > p:not(.eyebrow) { margin-top: 10px; }
  .faq-decoration { display: none; }
  .faqs summary { padding-block: 18px; font-size: 12px; }
  .site-footer { flex-wrap: wrap; gap: 20px; margin-top: 43px; padding-top: 25px; }
  .site-footer p { order: 3; flex-basis: 100%; font-size: 12px; }
  .site-footer > a:last-child { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }