/* Harbor Lights Printing. Tokens mirror the design system:
   https://claude.ai/artifact/WLS8CofiSaVEn6risfiWwN
   Layout: navy hero with a halftone beam, then alternating white / mist bands; one flare element per view. */
:root {
  --harbor-navy: #0a2342;
  --deep-tide: #12406e;
  --signal-blue: #1f6fb8;
  --flare: #1a56f0;
  --sea-glass: #7fb5e0;
  --beacon: #bfddf5;
  --mist: #eaf3fb;
  --white: #ffffff;

  --surface: #ffffff;
  --surface-alt: #eaf3fb;
  --surface-inverse: #0a2342;
  --ink: #0a2342;
  --ink-muted: #46607e;
  --on-inverse: #ffffff;
  --on-inverse-muted: #bfddf5;
  --accent: #1f6fb8;
  --on-accent: #ffffff;
  --line: #c9dcee;
  --border: #6a87a6;
  --focus: #1f6fb8;

  --font-display: "Libre Caslon Display", "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --font-sans: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --space-1: 4px; --space-2: 8px; --space-4: 16px; --space-6: 24px; --space-8: 32px; --space-16: 64px;
  --radius-sm: 2px; --radius-md: 6px; --radius-pill: 999px;
  --measure: 65ch;
  --page: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #0a1a30;
    --surface-alt: #102640;
    --surface-inverse: #12355c;
    --ink: #eef5fc;
    --ink-muted: #a9c0d8;
    --accent: #7fb5e0;
    --on-accent: #0a2342;
    --line: #26425f;
    --border: #5a7da1;
    --focus: #bfddf5;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 400 18px/28px var(--font-sans);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; text-wrap: balance; margin: 0; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--page); margin-inline: auto; padding-inline: max(var(--space-4), 4vw); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--space-4); top: var(--space-4); background: var(--surface); padding: var(--space-2) var(--space-4); z-index: 10; }

/* type styles */
.label { font: 600 13px/18px var(--font-sans); letter-spacing: .14em; text-transform: uppercase; }
.spec { font: 500 14px/22px var(--font-mono); }
.muted { color: var(--ink-muted); }
.display-xl { font-size: clamp(44px, 7vw, 76px); line-height: 1.02; letter-spacing: .005em; }
.display { font-size: clamp(34px, 4.6vw, 48px); line-height: 1.08; }
.title { font-size: 28px; line-height: 1.15; }

/* header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header .wrap { padding-block: var(--space-4); }
.site-nav { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: var(--space-8); }
.site-nav .nav-left { justify-content: flex-end; }
.site-nav .nav-right { justify-content: flex-start; }
.site-nav .logo-spot { padding: 0; font-weight: 400; text-decoration: none; color: var(--ink); }
.site-nav .logo-spot { justify-self: center; display: inline-flex; flex-direction: column; align-items: center; min-height: 64px; justify-content: center; }
.logo-spot img { max-height: 72px; width: auto; }
.name { display: inline-flex; flex-direction: column; align-items: center; text-decoration: none; color: var(--ink); line-height: 1; }
.name .wordmark { font: 400 28px/1 var(--font-display); letter-spacing: .02em; }
.name .label { font-size: 11px; letter-spacing: .42em; margin-top: 6px; padding-left: .42em; color: var(--deep-tide); }
@media (prefers-color-scheme: dark) { .name .label { color: var(--sea-glass); } }
.site-nav ul { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-8); list-style: none; margin: 0; padding: 0; }
.site-nav a { display: inline-block; padding-block: 10px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 17px; }
.site-nav ul a:hover, .site-nav ul a[aria-current="page"] { color: var(--accent); text-decoration: underline; text-decoration-thickness: 2px; }

/* buttons: at least 44px tall, say what they do */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 24px; border-radius: var(--radius-pill);
  font: 600 17px/1.2 var(--font-sans); text-decoration: none; border: 2px solid transparent; }
.btn-flare { background: var(--flare); color: #fff; }
.btn-flare:hover { background: #1447cc; }
.btn-ghost { border-color: currentColor; color: var(--on-inverse); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-line { border-color: var(--border); color: var(--ink); background: var(--surface); }
.btn-line:hover { border-color: var(--accent); color: var(--accent); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }

/* hero */
.hero { position: relative; overflow: hidden; background: var(--surface-inverse); color: var(--on-inverse); }
.hero { text-align: center; }
.hero .beam { position: absolute; top: 0; height: 100%; width: max(0px, calc((100% - 46rem) / 2)); pointer-events: none; }
.hero .beam-right { right: 0; }
.hero .beam-left { left: 0; transform: scaleX(-1); }
.hero .beam img { width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.hero .wrap { position: relative; padding-block: clamp(56px, 9vw, 112px); }
.hero .label { color: var(--sea-glass); }
.hero h1 { margin: var(--space-4) auto 0; max-width: 13ch; }
.hero p.lede { margin: var(--space-6) auto 0; max-width: 34rem; color: var(--on-inverse-muted); font-size: 20px; line-height: 31px; }
.hero .btn-row { margin-top: var(--space-8); justify-content: center; }
.hero .backing { max-width: 40rem; margin-inline: auto; }
.page-hero .wrap { padding-block: clamp(40px, 6vw, 72px); }
.page-hero h1 { max-width: 18ch; }
.page-hero .lede, .page-hero .label { margin-inline: auto; }

/* sections */
.band { padding-block: var(--space-16); }
.band-alt { background: var(--surface-alt); }
.section-head { display: grid; gap: var(--space-2); margin: 0 auto var(--space-8); max-width: var(--measure); text-align: center; justify-items: center; }
.section-head .label { color: var(--accent); }
.section-head p { color: var(--ink-muted); }

/* book cards */
.book-grid { display: grid; gap: var(--space-8) var(--space-8); grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); max-width: 980px; margin-inline: auto; }
.book-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-2); min-width: 0; }
.book-card .cover { width: 100%; }
.book-card .cover { aspect-ratio: 4 / 5; background: var(--surface-alt); border-radius: var(--radius-sm); overflow: hidden; margin-bottom: var(--space-2); }
.book-card .cover img { width: 100%; height: 100%; object-fit: contain; }
.book-card h3 { font-size: 24px; line-height: 1.15; }
.book-card h3 a { color: var(--ink); text-decoration: none; }
.book-card h3 a:hover { color: var(--accent); }
.book-card .byline { font-size: 16px; line-height: 24px; color: var(--ink-muted); }
.book-card .spec { color: var(--ink); }
.book-card .more { margin-top: auto; padding-top: var(--space-2); font-weight: 600; }
.tag { display: inline-block; align-self: flex-start; padding: 3px 10px; border-radius: var(--radius-pill); background: var(--flare); color: #fff; }

/* coming soon */
.soon { display: grid; gap: var(--space-8); grid-template-columns: minmax(0, 340px) minmax(0, 1fr); align-items: center; }
.soon .cover img { border-radius: var(--radius-sm); box-shadow: 0 1px 0 var(--line); }
.soon .body { display: grid; gap: var(--space-4); max-width: var(--measure); }
.soon .body .label { color: var(--accent); }
.fine { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.next-up { margin-top: var(--space-16); display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.next-up > div { text-align: center; justify-items: center; padding: var(--space-6); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); display: grid; gap: var(--space-2); align-content: start; }

/* how to buy */
.ways { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.way { display: grid; gap: var(--space-2); align-content: start; justify-items: center; text-align: center; padding-top: var(--space-4); border-top: 3px solid var(--signal-blue); }
.way h3 { font: 600 22px/28px var(--font-sans); }
.way .email { font: 500 16px/24px var(--font-mono); word-break: break-all; }

/* book detail rows */
.book-row { display: grid; gap: var(--space-8); grid-template-columns: minmax(0, 300px) minmax(0, 1fr); padding-block: var(--space-16); border-top: 1px solid var(--line); scroll-margin-top: var(--space-4); }
.book-row:first-of-type { border-top: 0; padding-top: var(--space-8); }
.book-row .cover img { border-radius: var(--radius-sm); }
.book-row .details { display: grid; gap: var(--space-4); align-content: start; max-width: 44rem; }
.book-row h2 { font-size: clamp(32px, 4vw, 42px); line-height: 1.1; }
.book-row .byline { color: var(--ink-muted); }
.buy-table { width: 100%; border-collapse: collapse; font-size: 17px; }
.buy-table caption { text-align: left; padding-bottom: var(--space-2); }
.buy-table th, .buy-table td { text-align: left; padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.buy-table th { font: 600 13px/18px var(--font-sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-muted); }
.buy-table td.price { font: 500 16px/24px var(--font-mono); white-space: nowrap; }
.table-scroll { overflow-x: auto; }
.quote { border-left: 0; margin: var(--space-2) 0 0; padding: var(--space-6); background: var(--surface-alt); border-radius: var(--radius-md); }
.quote p { font: 400 21px/31px var(--font-display); }
.quote cite { display: block; margin-top: var(--space-2); font: 400 15px/22px var(--font-sans); font-style: normal; color: var(--ink-muted); }

/* prose */
.prose { display: grid; gap: var(--space-4); max-width: var(--measure); margin-inline: auto; }
.prose h2 { text-align: center; }
.prose h2 { font-size: 34px; line-height: 1.15; margin-top: var(--space-8); }

/* steps (printing page) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-6); counter-reset: step; max-width: 44rem; }
.steps li { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: var(--space-4); align-items: start; counter-increment: step; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%;
  background: var(--harbor-navy); color: #fff; font: 400 30px/1 var(--font-display); }
.steps li:first-child::before { background: var(--flare); }
.steps h3 { font: 600 20px/28px var(--font-sans); }
.faq { display: grid; gap: var(--space-2); max-width: 48rem; }
.faq details { border-bottom: 1px solid var(--line); padding-block: var(--space-4); }
.faq summary { cursor: pointer; font: 600 20px/28px var(--font-sans); }
.faq details p { margin-top: var(--space-2); max-width: var(--measure); }
.form { display: grid; gap: var(--space-4); max-width: 36rem; }
.form label { display: grid; gap: var(--space-1); font-weight: 600; }
.form input, .form select, .form textarea { font: 400 18px/26px var(--font-sans); color: var(--ink); background: var(--surface);
  border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; min-height: 48px; }
.form .hint { font-weight: 400; font-size: 15px; color: var(--ink-muted); }
.notice { padding: var(--space-4) var(--space-6); border-radius: var(--radius-md); background: var(--flare); color: #fff; }

/* footer */
.site-footer { background: var(--harbor-navy); color: var(--white); padding-block: var(--space-16) var(--space-8); }
.site-footer a { color: var(--beacon); }
.footer-center { display: grid; justify-items: center; text-align: center; gap: var(--space-6); }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-8); }
.footer-links a { display: inline-block; padding-block: 8px; font-weight: 600; }
.site-footer .name { color: var(--white); }
.site-footer .name .label { color: var(--beacon); }
.site-footer .wave { display: block; width: 180px; height: 16px; }
.site-footer .legal { text-align: center; justify-items: center; margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid rgba(191,221,245,.25); font-size: 15px; line-height: 22px; color: var(--beacon); display: grid; gap: var(--space-2); }

@media (max-width: 720px) {
  .soon, .book-row { grid-template-columns: minmax(0, 1fr); }
  .soon .cover, .book-row .cover { max-width: 280px; margin-inline: auto; width: 100%; }
  .site-nav { grid-template-columns: 1fr 1fr; gap: var(--space-2) var(--space-4); }
  .site-nav .logo-spot { grid-column: 1 / -1; grid-row: 1; }
  .site-nav ul { gap: var(--space-2) var(--space-6); }
  .hero { display: flex; flex-direction: column; }
  .hero .beam-left { display: none; }
  .hero .beam-right { position: static; order: 2; width: 100%; height: 120px; }
  .hero .backing { max-width: none; }
  .band { padding-block: 48px; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .site-nav a, .book-card h3 a { transition: background-color .15s, color .15s, border-color .15s; }
}