/* GracefulReply site styles.
   Plain CSS: no external fonts, no scripts, no tracking. Mobile first.
   Palette: petrol #0E5A6E (brand), ink #12313B, mist #E6F0F2, porcelain #FBFDFD, redline #A12F3C. */

:root {
  --petrol: #0e5a6e;
  --petrol-deep: #0a4757;
  --ink: #12313b;
  --ink-soft: #3d5a63;
  --mist: #e6f0f2;
  --porcelain: #fbfdfd;
  --paper: #ffffff;
  --mail-head: #f3f8f9;
  --line: #c9dade;
  --line-strong: #8fb0b8;
  --redline: #a12f3c;
  --amber: #f2b84b;
  --gold: #a86b12;
  --on-petrol: #ffffff;
  --on-petrol-soft: #d3e6eb;
  --on-ink-soft: #c2d5da;

  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, "Noto Serif", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  --gutter: 1rem;
  --wrap: 72rem;
  --measure: 36rem;
  --radius: 6px;

  color-scheme: light;
}

@media (min-width: 40em) {
  :root { --gutter: 1.5rem; }
}

@media (min-width: 64em) {
  :root { --gutter: 2rem; }
}

/* Base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--porcelain);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0 0 0.6em;
  color: inherit;
  font-family: var(--serif);
  line-height: 1.15;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.125rem, 1.55rem + 2.6vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.012em;
}

h2 {
  font-size: clamp(1.625rem, 1.33rem + 1.3vw, 2.375rem);
  font-weight: 700;
  letter-spacing: -0.006em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
  text-wrap: pretty;
}

.nowrap {
  white-space: nowrap;
}

ul,
ol {
  margin: 0 0 1em;
}

a {
  color: var(--petrol);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--petrol);
  outline-offset: 3px;
  border-radius: 2px;
}

main {
  flex: 1 0 auto;
}

address {
  font-style: normal;
}

strong {
  font-weight: 650;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -10rem;
  left: var(--gutter);
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.5rem;
  outline-color: var(--amber);
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Header */

.site-header {
  background: var(--porcelain);
  border-bottom: 1px solid var(--line);
}

.header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding-block: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-right: auto;
  color: var(--ink);
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand svg {
  width: 2rem;
  height: 2rem;
  flex: none;
  border-radius: 3px;
}

.site-nav {
  order: 3;
  width: 100%;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding-block: 0.4rem;
  color: var(--ink);
  font-size: 0.9375rem;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
}

@media (min-width: 56em) {
  .header-bar {
    flex-wrap: nowrap;
    gap: 2rem;
    padding-block: 1rem;
  }

  .brand {
    margin-right: 0;
  }

  .site-nav {
    order: 0;
    width: auto;
    margin-left: auto;
  }

  .site-nav ul {
    gap: 0 1.75rem;
  }
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.625rem 1.15rem;
  border: 2px solid var(--petrol);
  border-radius: var(--radius);
  background: var(--petrol);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  border-color: var(--petrol-deep);
  background: var(--petrol-deep);
}

.button-small {
  min-height: 2.5rem;
  padding: 0.45rem 0.8rem;
  font-size: 0.9375rem;
}

.button-light {
  border-color: #fff;
  background: #fff;
  color: var(--petrol);
}

.button-light:hover {
  border-color: var(--mist);
  background: var(--mist);
}

/* Sections */

.section {
  padding-block: clamp(3rem, 2rem + 4vw, 5.5rem);
}

.section-mist {
  background: var(--mist);
}

.section-petrol {
  background: var(--petrol);
  color: var(--on-petrol);
}

.section-petrol a {
  color: var(--on-petrol);
}

.section-petrol :focus-visible {
  outline-color: var(--amber);
}

.section-intro {
  max-width: 44rem;
}

.lede {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: 1.1875rem;
}

.fine {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.measure {
  max-width: var(--measure);
}

/* Hero */

.hero {
  padding-block: clamp(2.25rem, 1.25rem + 4vw, 4.75rem) clamp(3rem, 2rem + 4vw, 5.5rem);
}

.hero-grid {
  display: grid;
  gap: 2.75rem;
}

.hero h1 {
  max-width: 16em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin: 1.75rem 0 0.75rem;
}

@media (min-width: 60em) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 4rem;
  }
}

/* Example approval email (hero figure) */

.mail {
  margin: 0;
}

.mail-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: 0 1px 0 rgba(18, 49, 59, 0.05), 0 18px 36px -20px rgba(18, 49, 59, 0.35);
}

.mail-head {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--mail-head);
  font-size: 0.875rem;
}

.mail-head dl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 0.75rem;
  margin: 0;
}

.mail-head dt {
  color: var(--ink-soft);
}

.mail-head dd {
  margin: 0;
  font-weight: 600;
}

.mail-body {
  padding: 1.15rem 1.1rem 1.25rem;
}

.mail-body > p:first-child {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.review {
  margin: 0 0 1.25rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--line-strong);
}

.stars {
  margin: 0;
  color: var(--gold);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  line-height: 1.3;
}

.review blockquote {
  margin: 0.3rem 0 0;
}

.review blockquote p {
  margin: 0;
}

.reply-label {
  margin: 0 0 0.35rem;
  color: var(--ink-soft);
  font-size: 0.875rem;
  font-weight: 600;
}

.reply-text {
  margin: 0 0 1.25rem;
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.55;
}

.mail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mail-actions li {
  padding: 0.4rem 0.95rem;
  border: 1.5px solid var(--petrol);
  border-radius: var(--radius);
  color: var(--petrol);
  font-size: 0.9375rem;
  font-weight: 600;
}

.mail-actions li:first-child {
  background: var(--petrol);
  color: #fff;
}

.mail figcaption,
.paper-caption {
  margin-top: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.875rem;
}

/* How it works */

.steps {
  display: grid;
  gap: 2rem;
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  padding-top: 1rem;
  border-top: 2px solid var(--petrol);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 0.4rem;
  color: var(--petrol);
  font-family: var(--serif);
  font-size: 2.75rem;
  line-height: 1;
}

.steps h3 {
  margin-bottom: 0.4rem;
}

.steps p {
  margin: 0;
}

.after-steps {
  max-width: 44rem;
  margin: 2.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 52em) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.5rem;
  }
}

/* Patient privacy rule (petrol band with the redline example) */

.rule-grid {
  display: grid;
  gap: 2.75rem;
}

.rule-copy p {
  max-width: var(--measure);
}

.never {
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.never li {
  position: relative;
  margin-bottom: 0.45rem;
  padding-left: 1.6rem;
}

.never li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0.2rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--on-petrol-soft);
}

.sources {
  color: var(--on-petrol-soft);
  font-size: 0.9375rem;
}

.paper {
  margin: 0;
}

.paper-sheet {
  padding: 1.4rem 1.2rem 1.25rem;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 22px 44px -22px rgba(0, 0, 0, 0.55);
}

.paper-title {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
}

.redline {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.8;
}

.redline del {
  color: var(--redline);
  text-decoration-line: line-through;
  text-decoration-color: var(--redline);
  text-decoration-thickness: 2px;
}

.redline ins {
  color: var(--petrol);
  text-decoration-line: underline;
  text-decoration-color: var(--petrol);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.22em;
}

.mark-tag {
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  margin: 0 0.15rem;
  border-radius: 50%;
  background: var(--redline);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  vertical-align: 0.2em;
}

.redline-notes {
  display: grid;
  gap: 0.55rem;
  margin: 1.2rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  list-style: none;
}

.redline-notes li {
  display: grid;
  grid-template-columns: 1.35rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: start;
}

.redline-notes .mark-tag {
  margin: 0.1rem 0 0;
  vertical-align: baseline;
}

.section-petrol .paper-caption {
  color: var(--on-petrol-soft);
}

@media (min-width: 60em) {
  .rule-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 4rem;
  }

  .paper-sheet {
    padding: 1.9rem 1.9rem 1.6rem;
  }

  .paper {
    position: sticky;
    top: 1.5rem;
  }
}

/* Two ways to run the trial */

.ways {
  display: grid;
  margin-top: 2.25rem;
}

.way {
  padding-block: 1.75rem;
  border-top: 1px solid var(--line-strong);
}

.way:first-child {
  padding-top: 0;
  border-top: 0;
}

.way p:last-child {
  margin-bottom: 0;
}

.callout {
  max-width: 48rem;
  margin-top: 2.25rem;
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--petrol);
  background: var(--paper);
}

.callout h3 {
  margin-bottom: 0.4rem;
  font-size: 1.125rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

@media (min-width: 52em) {
  .ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .way {
    padding-block: 0;
    border-top: 0;
  }

  .way:first-child {
    padding-right: 2.5rem;
  }

  .way + .way {
    padding-left: 2.5rem;
    border-left: 1px solid var(--line-strong);
  }
}

/* Trial and price */

.price-grid {
  display: grid;
  gap: 1.5rem 4rem;
}

.price-facts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.price-facts li {
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.price-facts li:first-child {
  border-top: 1px solid var(--line);
}

.price-facts strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
}

@media (min-width: 52em) {
  .price-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* FAQ */

.faq-grid {
  display: grid;
  gap: 0 4rem;
}

@media (min-width: 60em) {
  .faq-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr);
    align-items: start;
  }

  .faq-grid h2 {
    position: sticky;
    top: 1.5rem;
  }

  .faq-grid .faq {
    margin-top: 0.4rem;
  }
}

.faq {
  max-width: 48rem;
  margin-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  position: relative;
  padding: 1rem 2.25rem 1rem 0;
  font-size: 1.0625rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  top: 0.8rem;
  right: 0.35rem;
  color: var(--petrol);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "\2212";
}

.faq summary:hover {
  color: var(--petrol);
}

.faq .answer {
  max-width: 42rem;
  padding: 0 0 1.25rem;
}

.faq .answer p:last-child {
  margin-bottom: 0;
}

/* Contact */

.contact-email {
  font-family: var(--serif);
  font-size: clamp(1.375rem, 1.1rem + 1.2vw, 1.875rem);
}

/* Footer */

.site-footer {
  padding-block: 2.75rem 2rem;
  background: var(--ink);
  color: var(--on-ink-soft);
  font-size: 0.9375rem;
}

.site-footer a {
  color: #fff;
}

.site-footer :focus-visible {
  outline-color: var(--amber);
}

.footer-grid {
  display: grid;
  gap: 1.75rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 650;
}

.footer-brand svg {
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
}

.not-affiliated {
  color: #fff;
  font-size: 1rem;
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-block;
  padding-block: 0.2rem;
}

.footer-legal {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.875rem;
}

.footer-legal p {
  margin: 0 0 0.4rem;
}

@media (min-width: 52em) {
  .footer-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 3rem;
  }
}

/* Documents: privacy, terms, consent, unsubscribe, 404 */

.doc {
  padding-block: clamp(2rem, 1.5rem + 2.5vw, 3.5rem) clamp(3rem, 2rem + 4vw, 5rem);
}

.doc .wrap {
  max-width: 50rem;
}

.doc h1 {
  font-size: clamp(2rem, 1.6rem + 1.8vw, 2.875rem);
}

.doc h2 {
  margin-top: 2.5rem;
  font-size: clamp(1.375rem, 1.25rem + 0.6vw, 1.625rem);
  scroll-margin-top: 1rem;
}

.doc h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.4rem;
  font-size: 1.125rem;
}

.doc ul,
.doc ol {
  padding-left: 1.35rem;
}

.doc li {
  margin-bottom: 0.4rem;
}

.doc-meta {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.toc {
  margin: 1.75rem 0 2.25rem;
  padding: 1rem 1.25rem 0.5rem;
  border-radius: var(--radius);
  background: var(--mist);
}

.toc h2 {
  margin: 0 0 0.5rem;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 650;
}

.toc ol {
  margin: 0 0 0.5rem;
}

.toc li {
  margin-bottom: 0.2rem;
}

@media (min-width: 44em) {
  .toc ol {
    columns: 2;
    column-gap: 2.5rem;
  }

  .toc li {
    break-inside: avoid;
  }
}

/* Consent text */

.consent-sheet {
  margin: 2rem 0;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--line);
  border-top: 4px solid var(--petrol);
  border-radius: 4px;
  background: var(--paper);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
}

.consent-sheet h2 {
  margin: 0 0 1rem;
  font-size: 1.375rem;
}

.consent-sheet ul {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
}

.consent-sheet li {
  margin-bottom: 0.55rem;
}

.consent-sheet p:last-child {
  margin-bottom: 0;
}

.field {
  padding: 0 0.2em;
  border-radius: 3px;
  background: var(--mist);
  color: var(--petrol-deep);
  font-family: var(--sans);
  font-size: 0.92em;
  white-space: nowrap;
}

.signature-lines {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.signature-lines p {
  margin-bottom: 0.35rem;
}

@media (min-width: 40em) {
  .consent-sheet {
    padding: 2rem 2.25rem;
  }
}

/* Forms (unsubscribe) */

.form-card {
  max-width: 32rem;
  margin: 1.75rem 0 2rem;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.form-card label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.form-card input[type="email"] {
  width: 100%;
  min-height: 2.75rem;
  margin-bottom: 1rem;
  padding: 0.55rem 0.75rem;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.form-card input[type="email"]:focus-visible {
  border-color: var(--petrol);
  outline-offset: 1px;
}

.form-card button {
  font-family: inherit;
  cursor: pointer;
}

/* Print */

@media print {
  .skip-link,
  .site-nav,
  .header-cta {
    display: none;
  }

  body,
  .site-footer,
  .section-petrol {
    background: #fff;
    color: #000;
  }

  .site-footer a,
  .section-petrol a {
    color: #000;
  }
}