:root {
  --white: #ffffff;
  --paper: #f4f6f9;
  --surface: #ffffff;
  --ink: #0b0c0f;
  --ink-soft: #3f424a;
  --muted: #676b74;
  --line: #d9dce3;
  --accent: #3157ff;
  --accent-dark: #1738c5;
  --focus: #00b7d7;
  --font-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shell: min(1240px, calc(100% - 64px));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--white);
  font-weight: 800;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 74px;
  padding: 0 max(32px, calc((100% - 1240px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.63rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  place-items: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.82rem;
  font-weight: 750;
}

.site-nav a {
  text-decoration: none;
  text-underline-offset: 6px;
}

.site-nav a:hover:not(.nav-cta) { text-decoration: underline; }

.nav-cta {
  padding: 11px 17px;
  background: var(--ink);
  color: var(--white);
}

.nav-cta:hover { background: var(--accent); }
.nav-toggle { display: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(390px, 0.9fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: center;
  width: 100%;
  min-height: calc(100svh - 74px);
  padding: 82px max(32px, calc((100% - 1240px) / 2)) 92px;
  background: var(--ink);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.19em;
  line-height: 1.45;
  text-transform: uppercase;
}

.hero .eyebrow { color: #8ea4ff; }

.hero h1,
.section-heading h2,
.voice-statement h2,
.about-copy h2,
.brief-intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(4rem, 6.6vw, 7.1rem);
}

.hero h1 em {
  color: #728dff;
  font-style: normal;
  font-weight: inherit;
}

.hero-intro {
  max-width: 650px;
  margin: 32px 0 0;
  color: #b9bdc7;
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 0;
  font-weight: 820;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: var(--white); }
.button-primary:hover { background: #5a75ff; }
.button-secondary { border-color: var(--ink); background: transparent; color: var(--ink); }
.button-secondary:hover { background: var(--ink); color: var(--white); }
.button-light { background: var(--white); color: var(--ink); }
.button-light:hover { background: #cfd8ff; }

.text-link {
  display: inline-block;
  font-weight: 780;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 7px;
}

.hero .text-link { color: var(--white); }

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 44px 0 0;
  padding: 21px 0 0;
  border-top: 1px solid #31343b;
  color: #aeb2bd;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  list-style: none;
  text-transform: uppercase;
}

.trust-line li { position: relative; }
.trust-line li:not(:last-child)::after {
  position: absolute;
  right: -17px;
  color: var(--accent);
  content: "/";
}

.manuscript-stage {
  position: relative;
  min-height: 580px;
}

.manuscript-stage::before {
  position: absolute;
  inset: 22px -20px -20px 22px;
  background: var(--accent);
  content: "";
}

.manuscript {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100%, 500px);
  min-height: 580px;
  margin: 0 auto;
  padding: 34px 36px;
  flex-direction: column;
  background: var(--white);
  color: var(--ink);
}

.manuscript header {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.edition-kicker {
  margin: 56px 0 12px;
  color: var(--accent);
  font-size: 0.67rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.manuscript h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 4.2vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.edition-list {
  display: grid;
  margin: 42px 0 34px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.edition-list li {
  display: grid;
  grid-template-columns: 36px 86px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.edition-list li > span { color: var(--accent); font-size: 0.65rem; font-weight: 850; }
.edition-list strong { font-size: 0.92rem; }
.edition-list small { color: var(--muted); font-size: 0.77rem; }

.manuscript footer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid var(--ink);
}

.manuscript footer div {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
}

.manuscript footer div + div {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.manuscript footer strong {
  display: block;
  color: var(--accent);
  font-size: 2.75rem;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.manuscript footer span {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-align: right;
  text-transform: uppercase;
}

.fit-strip {
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.5fr);
  gap: 40px;
  align-items: center;
  padding: 26px max(32px, calc((100% - 1240px) / 2));
  background: var(--accent);
  color: var(--white);
}

.fit-strip > p { margin: 0; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.fit-list { display: flex; flex-wrap: wrap; gap: 10px 0; justify-content: space-between; font-size: 0.92rem; font-weight: 750; }
.fit-list span:not(:last-child)::after { margin: 0 20px; color: #b6c2ff; content: "/"; }

.books-section {
  padding-block: 132px;
  background: #111318;
  color: var(--white);
}

.books-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr);
  gap: clamp(60px, 10vw, 150px);
  align-items: end;
}

.books-intro .eyebrow { color: #8ea4ff; }

.books-intro h2 {
  max-width: 760px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5.25rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.books-intro-copy > p {
  max-width: 610px;
  margin: 0;
  color: #c5c8d0;
  font-size: 1rem;
}

.books-intro-copy strong { color: var(--white); }

.books-intro-copy .books-disclosure {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid #343741;
  color: #9297a2;
  font-size: 0.8rem;
}

.catalog-link {
  margin-top: 28px;
  color: var(--white);
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 72px;
  background: #343741;
}

.book-card {
  display: flex;
  min-width: 0;
  padding: 24px;
  background: #171920;
  flex-direction: column;
}

.book-cover-link {
  display: block;
  background: var(--ink);
  text-decoration: none;
}

.book-cover-frame {
  display: block;
  overflow: hidden;
  aspect-ratio: 2 / 3;
  background: var(--ink);
}

.book-cover-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 180ms ease, opacity 180ms ease;
}

.book-cover-link:hover img { opacity: 0.9; transform: scale(1.015); }

.book-meta {
  display: flex;
  height: 100%;
  padding-top: 24px;
  flex-direction: column;
}

.book-kind {
  margin: 0 0 13px;
  color: #8ea4ff;
  font-size: 0.64rem;
  font-weight: 850;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.book-meta h3 {
  margin: 0;
  font-size: 1.34rem;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.book-meta > p:not(.book-kind) {
  margin: 15px 0 24px;
  color: #aeb3be;
  font-size: 0.82rem;
}

.book-link {
  margin-top: auto;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 820;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.services {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(60px, 10vw, 150px);
  padding-block: 132px;
}

.section-heading h2,
.voice-statement h2,
.about-copy h2,
.brief-intro h2 { font-size: clamp(3rem, 5vw, 5.25rem); }

.section-heading > p:last-child { max-width: 540px; margin: 30px 0 0; color: var(--ink-soft); font-size: 1rem; }
.section-heading.compact { max-width: 760px; }

.service-list { border-top: 2px solid var(--ink); }
.service-list article { display: grid; grid-template-columns: 54px 1fr; gap: 22px; padding: 31px 0; border-bottom: 1px solid var(--line); }
.service-number { margin: 2px 0 0; color: var(--accent); font-size: 0.72rem; font-weight: 900; }
.service-list h3 { margin: 0 0 8px; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.035em; }
.service-list article p:last-child { max-width: 650px; margin: 0; color: var(--ink-soft); }

.package-section {
  padding-block: 124px;
  background: var(--ink);
  color: var(--white);
}

.package-grid {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: clamp(60px, 10vw, 140px);
  align-items: start;
}

.package-price-card {
  position: sticky;
  top: 112px;
  padding: 38px;
  border-top: 7px solid var(--accent);
  background: var(--white);
  color: var(--ink);
}

.package-price-card > p:first-child {
  margin: 0 0 52px;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.package-price {
  margin: 0;
  color: var(--accent);
  font-size: clamp(4.2rem, 8vw, 7.4rem);
  font-weight: 850;
  letter-spacing: -0.085em;
  line-height: 0.86;
}

.package-price span {
  margin-right: 4px;
  font-size: 0.42em;
  vertical-align: top;
}

.package-price-card > p:last-child {
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.package-copy .eyebrow { color: #8ea4ff; }

.package-copy h2 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(3.2rem, 5.4vw, 5.7rem);
  font-weight: 780;
  letter-spacing: -0.068em;
  line-height: 0.95;
}

.package-copy > p:not(.eyebrow):not(.package-note) {
  max-width: 700px;
  margin: 28px 0 0;
  color: #b9bdc7;
  font-size: 1rem;
}

.package-inclusions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  margin: 42px 0 0;
  padding: 0;
  border-top: 1px solid #343741;
  list-style: none;
}

.package-inclusions li {
  position: relative;
  padding: 18px 0 18px 22px;
  border-bottom: 1px solid #343741;
  font-size: 0.9rem;
  font-weight: 720;
}

.package-inclusions li::before {
  position: absolute;
  top: 20px;
  left: 0;
  color: #8ea4ff;
  content: "+";
  font-weight: 900;
}

.package-support,
.selective-deal {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  margin-top: 28px;
  padding: 24px;
  border-left: 4px solid var(--accent);
  background: #171920;
}

.selective-deal { border-left-color: #8ea4ff; }
.package-support strong, .selective-deal strong { font-size: 0.82rem; }
.package-support span, .selective-deal span { color: #b9bdc7; font-size: 0.86rem; }

.payment-plan {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: #343741;
}

.payment-plan article {
  min-height: 230px;
  padding: 24px;
  background: #171920;
}

.payment-plan article > span {
  display: block;
  margin-bottom: 54px;
  color: #8ea4ff;
  font-size: 0.67rem;
  font-weight: 900;
}

.payment-plan strong { display: block; font-size: 1rem; }
.payment-plan p { margin: 12px 0 0; color: #b9bdc7; font-size: 0.8rem; }
.package-copy .button { margin-top: 34px; }
.package-note { max-width: 650px; margin: 18px 0 0; color: #878c98; font-size: 0.74rem; }

.process { padding-block: 132px; background: var(--paper); }
.process-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin: 70px 0 0; padding: 0; background: var(--line); list-style: none; }
.process-track li { min-height: 270px; padding: 28px 24px; background: var(--white); }
.process-track li > span { display: block; margin-bottom: 70px; color: var(--accent); font-size: 0.68rem; font-weight: 900; }
.process-track h3 { margin: 0 0 13px; font-size: 1.25rem; letter-spacing: -0.035em; }
.process-track p { margin: 0; color: var(--ink-soft); font-size: 0.88rem; }

.voice-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(70px, 11vw, 160px);
  width: 100%;
  padding: 132px max(32px, calc((100% - 1240px) / 2));
  background: var(--accent);
  color: var(--white);
}

.voice-section .eyebrow { color: #d9e0ff; }
.voice-principles { align-self: end; }
.voice-principles > p { margin: 0 0 24px; color: #e6eaff; font-size: 1.02rem; }
.voice-principles > p + p { padding-top: 24px; border-top: 1px solid #7690ff; }
.voice-principles strong { color: var(--white); }
.voice-principles blockquote { margin: 0; padding: 26px 0 0; border-top: 2px solid var(--white); font-size: 1.28rem; font-weight: 720; line-height: 1.45; }

.about { padding-block: 124px; background: var(--ink); color: var(--white); }
.about-grid { display: grid; grid-template-columns: 0.68fr 1.32fr; gap: clamp(60px, 11vw, 150px); align-items: center; }
.about-monogram { display: grid; width: min(100%, 390px); aspect-ratio: 1; padding: 38px; background: var(--accent); place-content: space-between; }
.about-monogram > span { font-size: clamp(6rem, 12vw, 10rem); font-weight: 850; letter-spacing: -0.12em; line-height: 0.8; }
.about-monogram p { margin: 0; color: #e1e6ff; font-size: 0.66rem; font-weight: 850; letter-spacing: 0.17em; line-height: 1.8; text-transform: uppercase; }
.about-copy .eyebrow { color: #8ea4ff; }
.about-lead { margin: 32px 0 18px; font-size: 1.3rem; font-weight: 650; line-height: 1.55; }
.about-copy > p:not(.eyebrow):not(.about-lead) { max-width: 660px; color: #b8bcc7; }
.about-copy .text-link { margin-top: 22px; }

.questions { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: clamp(60px, 10vw, 150px); padding-block: 132px; }
.faq-list { border-top: 2px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 27px 54px 27px 0; font-size: 1.16rem; font-weight: 800; line-height: 1.35; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 20px; right: 7px; color: var(--accent); content: "+"; font-size: 1.8rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 720px; margin: -2px 54px 28px 0; color: var(--ink-soft); }

.brief-section { padding-block: 132px; background: var(--paper); }
.brief-grid { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(60px, 10vw, 140px); align-items: start; }
.brief-intro { position: sticky; top: 112px; }
.brief-intro > p:not(.eyebrow) { margin: 29px 0 0; color: var(--ink-soft); }
.privacy-note { display: flex; gap: 15px; margin-top: 32px; padding-top: 23px; border-top: 1px solid var(--line); }
.privacy-note svg { flex: 0 0 auto; width: 24px; height: 24px; fill: none; stroke: var(--accent); stroke-linejoin: round; stroke-width: 1.7; }
.privacy-note p { margin: 0; color: var(--ink-soft); font-size: 0.84rem; }

.project-form { padding: clamp(24px, 4.5vw, 54px); border: 1px solid var(--line); border-top: 6px solid var(--accent); background: var(--white); }
.project-form label { display: grid; gap: 9px; margin-bottom: 24px; }
.project-form label > span { font-size: 0.78rem; font-weight: 850; }
.form-row.two-up { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.project-form input,
.project-form select,
.project-form textarea { width: 100%; border: 1px solid #9da1aa; border-radius: 0; background: var(--white); color: var(--ink); }
.project-form input, .project-form select { min-height: 52px; padding: 0 14px; }
.project-form textarea { min-height: 122px; padding: 13px 14px; resize: vertical; }
.project-form input::placeholder, .project-form textarea::placeholder { color: #70747c; opacity: 1; }
.project-form input:focus, .project-form select:focus, .project-form textarea:focus { border-color: var(--accent); outline: 3px solid rgba(49, 87, 255, 0.2); outline-offset: 1px; }
.form-submit { width: 100%; margin-top: 4px; }
.form-hint { margin: 12px 0 0; color: var(--muted); font-size: 0.76rem; text-align: center; }

.brief-result { margin-top: 34px; padding-top: 30px; border-top: 2px solid var(--ink); }
.result-heading { display: flex; gap: 18px; align-items: flex-end; justify-content: space-between; }
.result-heading .eyebrow { margin-bottom: 7px; }
.result-heading h3 { margin: 0; font-size: 1.75rem; letter-spacing: -0.04em; }
.brief-result pre { overflow: auto; max-height: 420px; margin: 24px 0 0; padding: 20px; border-left: 4px solid var(--accent); background: var(--paper); color: var(--ink-soft); font: 0.88rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; }
.copy-status { min-height: 1.5em; margin: 10px 0 0; color: var(--accent-dark); font-size: 0.8rem; font-weight: 800; }

.site-footer { padding-block: 50px; background: var(--ink); color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: end; }
.footer-brand { margin-bottom: 9px; }
.footer-grid p { margin: 0; color: #aeb2bd; font-size: 0.8rem; }
.footer-note { max-width: 520px; justify-self: end; text-align: right; }
.footer-note p + p { margin-top: 10px; }

@media (max-width: 1060px) {
  :root { --shell: min(100% - 48px, 820px); }
  .site-header { padding-inline: 24px; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 4px; border: 0; background: transparent; color: var(--ink); font-size: 0.8rem; font-weight: 850; }
  .nav-toggle-lines, .nav-toggle-lines::before { display: block; width: 20px; border-top: 2px solid currentColor; content: ""; transition: transform 150ms ease; }
  .nav-toggle-lines::before { transform: translateY(5px); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-lines { transform: translateY(2px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-lines::before { transform: translateY(-2px) rotate(90deg); }
  .site-nav { position: fixed; inset: 74px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px 24px 24px; border-bottom: 1px solid var(--line); background: var(--white); }
  .site-nav.open { display: flex; }
  .site-nav a { min-height: 50px; padding: 14px 2px; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 12px; padding-inline: 16px; border: 0; text-align: center; }
  .hero { grid-template-columns: 1fr; padding-inline: max(24px, calc((100% - 820px) / 2)); }
  .hero h1 { max-width: 800px; font-size: clamp(4rem, 10vw, 6.4rem); }
  .manuscript-stage { width: min(100%, 610px); margin: 24px auto 0; }
  .books-intro, .services, .package-grid, .questions, .brief-grid { grid-template-columns: 1fr; }
  .books-intro { gap: 34px; }
  .book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .services, .questions { gap: 54px; }
  .package-price-card { position: static; }
  .process-track { grid-template-columns: repeat(2, 1fr); }
  .voice-section { grid-template-columns: 1fr; gap: 54px; padding-inline: max(24px, calc((100% - 820px) / 2)); }
  .about-grid { grid-template-columns: 0.7fr 1.3fr; gap: 54px; }
  .brief-intro { position: static; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 32px); }
  html { scroll-padding-top: 74px; }
  .site-header { min-height: 68px; padding-inline: 16px; }
  .site-nav { top: 68px; padding-inline: 16px; }
  .brand { font-size: 1.14rem; }
  .brand-mark { width: 31px; height: 31px; }
  .hero { gap: 54px; min-height: auto; padding: 68px 16px 76px; }
  .hero h1 { font-size: clamp(3rem, 14.2vw, 4.25rem); line-height: 0.94; }
  .hero-intro { margin-top: 27px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { align-self: flex-start; }
  .trust-line { display: grid; gap: 9px; }
  .trust-line li::after { display: none; }
  .manuscript-stage { min-height: 520px; }
  .manuscript-stage::before { inset: 14px -8px -14px 14px; }
  .manuscript { min-height: 520px; padding: 27px 24px; }
  .edition-kicker { margin-top: 42px; }
  .manuscript h2 { font-size: 3rem; }
  .edition-list { margin-top: 32px; }
  .edition-list li { grid-template-columns: 30px 72px 1fr; gap: 8px; }
  .manuscript footer { gap: 14px; }
  .manuscript footer div { display: block; }
  .manuscript footer div + div { padding-left: 14px; }
  .manuscript footer strong { margin-bottom: 10px; font-size: 2.35rem; }
  .manuscript footer span { display: block; text-align: left; }
  .fit-strip { grid-template-columns: 1fr; gap: 15px; padding: 25px 16px; }
  .fit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 18px; }
  .fit-list span::after { display: none; }
  .books-section, .services, .package-section, .process, .questions, .brief-section { padding-block: 88px; }
  .books-intro h2, .section-heading h2, .voice-statement h2, .about-copy h2, .brief-intro h2 { font-size: clamp(2.7rem, 12vw, 3.65rem); }
  .book-grid { margin-top: 48px; }
  .book-card { padding: 12px; }
  .book-meta { padding-top: 17px; }
  .book-kind { min-height: 2.8em; margin-bottom: 9px; font-size: 0.56rem; }
  .book-meta h3 { font-size: 1.02rem; }
  .book-meta > p:not(.book-kind) { margin: 12px 0 19px; font-size: 0.72rem; }
  .book-link { font-size: 0.7rem; }
  .service-list article { grid-template-columns: 40px 1fr; gap: 12px; }
  .package-grid { gap: 50px; }
  .package-price-card { padding: 28px 24px; }
  .package-price-card > p:first-child { margin-bottom: 40px; }
  .package-copy h2 { font-size: clamp(2.8rem, 12vw, 3.8rem); }
  .package-inclusions { grid-template-columns: 1fr; }
  .payment-plan { grid-template-columns: 1fr; }
  .payment-plan article { min-height: auto; }
  .payment-plan article > span { margin-bottom: 34px; }
  .package-support, .selective-deal { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
  .process-track { grid-template-columns: 1fr; }
  .process-track li { min-height: auto; }
  .process-track li > span { margin-bottom: 42px; }
  .voice-section { padding: 88px 16px; }
  .about { padding-block: 88px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-monogram { width: 100%; aspect-ratio: 1.25; }
  .about-monogram > span { font-size: 7.5rem; }
  .faq-list summary { padding-right: 44px; font-size: 1.05rem; }
  .faq-list details p { margin-right: 6px; }
  .brief-grid { gap: 46px; }
  .project-form { padding: 24px 18px; }
  .form-row.two-up { grid-template-columns: 1fr; gap: 0; }
  .result-heading { align-items: stretch; flex-direction: column; }
  .result-heading .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-note { justify-self: start; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}
