/* ============================================================
   markmoodybooks.com
   One stylesheet. No framework, no build step.
   Everything that changes the look lives in :root below.
   ============================================================ */

:root {
  --paper:      #F3ECDA;   /* page ground */
  --raised:     #FAF6EA;   /* alternating section ground */
  --ink:        #211D16;   /* headings, buttons, hard rules */
  --soft-ink:   #5B5347;   /* body copy */
  --muted:      #8A8171;   /* captions, fine print */
  --brass:      #A9812E;   /* eyebrows, spine accent */
  --brass-dark: #7C5F22;   /* links, book subtitles */
  --oxide:      #7A3B2E;   /* accent only: notes, mission CTA */
  --rule:       #D9CFB4;   /* minor 1px rules */
  --rule-dark:  #C6B189;   /* field + quiet-button borders */

  --serif: Spectral, Georgia, "Times New Roman", serif;
  --sans:  "Source Sans 3", system-ui, -apple-system, sans-serif;

  --page:      1280px;  /* content max width */
  --margin-l:  152px;   /* left margin (spine sits at 96px) */
  --margin-r:  120px;
  --spine-x:    96px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

/* The one motif: a thin rule down the left margin, like a book's spine. */
.spine {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--spine-x);
  width: 1px;
  background: var(--rule);
  pointer-events: none;
}
.spine::after {           /* the brass segment beside the hero */
  content: "";
  position: absolute;
  top: 120px; left: -1px;
  width: 3px; height: 180px;
  background: var(--brass);
}

img { max-width: 100%; }

a { color: var(--brass-dark); text-decoration: none; }
a:hover { color: var(--oxide); }
:focus-visible { outline: 2px solid var(--oxide); outline-offset: 2px; }
::selection { background: rgba(169,129,46,.22); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; margin: 0; }
p  { margin: 0 0 18px; }
em { font-style: italic; }

/* ---------- shared blocks ------------------------------------ */

.eyebrow,
.book-label {
  margin: 0 0 12px;
  font-size: 11px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--brass);
}
.eyebrow { margin-bottom: 26px; letter-spacing: .18em; font-size: 12px; }
.book-label-red { color: var(--oxide); }

section > h2,
.section-head h2,
.mission h2,
.lantern h2 {
  font-size: 15px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink);
}

.rule { border: 0; height: 1px; background: var(--rule); margin: 0; }

/* buttons — flush-left labels, zero radius */
.btn {
  display: inline-block;
  padding: 11px 22px;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: 14px; font-weight: 600; letter-spacing: .04em;
  background: none;
}
.btn:hover        { background: var(--ink); color: var(--raised); }
.btn-solid        { background: var(--ink); color: var(--raised); }
.btn-solid:hover  { background: var(--oxide); border-color: var(--oxide); color: var(--raised); }
.btn-red          { background: var(--oxide); border-color: var(--oxide); color: var(--raised); }
.btn-red:hover    { background: var(--ink); border-color: var(--ink); }
.btn-quiet        { border-color: var(--rule-dark); color: var(--brass-dark); }
.btn-quiet:hover  { background: none; border-color: var(--ink); color: var(--ink); }

.links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

/* photographs print black and white */
figure img,
.crop img { filter: grayscale(1) contrast(1.04); }
figcaption {
  margin-top: 10px;
  font-family: var(--serif); font-style: italic;
  font-size: 13px; line-height: 1.5; color: var(--muted);
}

/* ---------- masthead ---------------------------------------- */

.masthead {
  display: flex; align-items: flex-end; justify-content: space-between;
  max-width: var(--page); margin: 0 auto;
  padding: 40px var(--margin-r) 20px var(--margin-l);
  border-bottom: 2px solid var(--ink);
  margin-bottom: 0;
}
.wordmark {
  font-family: var(--serif);
  font-size: 27px; font-weight: 500; letter-spacing: .02em;
  color: var(--ink);
}
.site-nav { display: flex; gap: 34px; padding-bottom: 5px; }
.site-nav a {
  font-size: 15px; color: var(--soft-ink);
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--oxide); border-bottom-color: var(--oxide); }

/* ---------- hero -------------------------------------------- */

.hero {
  display: grid; grid-template-columns: 1fr 268px; gap: 64px;
  align-items: start;
  max-width: var(--page); margin: 0 auto;
  padding: 64px var(--margin-r) 72px var(--margin-l);
}
.hero h1 {
  font-size: 76px; line-height: 1.02; letter-spacing: -.018em;
  text-wrap: balance;
}
.hero .lede {
  margin: 34px 0 0; max-width: 33em;
  font-size: 19px; line-height: 1.66; color: var(--soft-ink);
}
.hero-portrait { margin: 0; }
.hero-portrait img { display: block; width: 100%; height: 300px; object-fit: cover; object-position: 38% 30%; }
.hero-portrait figcaption { font-size: 12px; }

/* ---------- books ------------------------------------------- */

.books { max-width: var(--page); margin: 0 auto; padding: 0 var(--margin-r) 0 var(--margin-l); }
.books::before { content: ""; display: block; height: 1px; background: var(--rule); }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 52px 0 40px;
}
.section-head .count { font-family: var(--serif); font-style: italic; font-size: 13px; color: var(--muted); }

.book, .guide { display: grid; grid-template-columns: 224px 1fr; gap: 56px; }
.book { padding: 56px 0; }
.book:first-of-type { padding-top: 0; }

/* the cover: printed edge shadow + a subtle spine down the left */
.cover { position: relative; align-self: start; }
.cover::before {                       /* ink shadow behind the board */
  content: ""; position: absolute; inset: 0;
  background: var(--ink); opacity: .16;
  transform: translate(11px, 14px); filter: blur(11px);
}
.cover::after {                        /* the spine gradient */
  content: ""; position: absolute; top: 0; left: 0; bottom: 0; width: 9px;
  background: linear-gradient(90deg,
    rgba(33,29,22,.45), rgba(33,29,22,.05) 60%, rgba(250,246,234,.28));
}
.cover img {
  position: relative; display: block; width: 100%; height: auto;
  box-shadow: 0 0 0 1px rgba(33,29,22,.22);
  filter: none;                        /* covers keep their colour */
}

.book-body h3 { font-size: 40px; line-height: 1.1; letter-spacing: -.012em; }
.book-body h3.h3-small { font-size: 31px; line-height: 1.12; }
.book-sub {
  margin: 10px 0 0;
  font-family: var(--serif); font-style: italic;
  font-size: 21px; line-height: 1.4; color: var(--brass-dark);
}
.book-body > p { max-width: 38em; color: var(--soft-ink); }
.book-body > p:not(.book-sub):not(.book-label) { margin-top: 22px; }
.book-note {
  padding-left: 16px; border-left: 3px solid var(--oxide);
  max-width: 36em; font-size: 16px; line-height: 1.6; color: var(--ink);
}
.book-note a { border-bottom: 1px solid var(--rule-dark); }
.book-fine { max-width: 40em; font-size: 14px; line-height: 1.62; color: var(--muted); }

/* the study guide sits on the raised ground, edge to edge of the column */
.guide {
  padding: 36px 32px 56px 32px;
  background: var(--raised);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.all-books { display: flex; gap: 36px; padding-top: 28px; font-size: 15px; }
.all-books a { border-bottom: 1px solid var(--rule-dark); }

/* ---------- mission ----------------------------------------- */

.mission {
  margin-top: 88px;
  background: var(--raised);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.mission .inner {
  max-width: var(--page); margin: 0 auto;
  padding: 64px var(--margin-r) 64px var(--margin-l);
}
.mission h2 { margin-bottom: 44px; }
.mission-grid { display: grid; grid-template-columns: 1fr 392px; gap: 64px; align-items: start; }
.mission blockquote { margin: 0 0 36px; }
.mission blockquote p {
  margin: 0;
  font-family: var(--serif); font-weight: 300; font-style: italic;
  font-size: 34px; line-height: 1.32; color: var(--ink);
}
.mission cite {
  display: block; margin-top: 18px; font-style: normal;
  font-size: 13px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brass);
}
.mission p { max-width: 38em; color: var(--soft-ink); }
.roles {
  margin: 0 0 30px;
  display: grid; grid-template-columns: auto 1fr; gap: 8px 20px;
  max-width: 34em; font-size: 16px;
}
.roles dt { color: var(--muted); }
.roles dd { margin: 0; color: var(--ink); }
.mission-photo { margin: 0; }
.mission-photo .crop { overflow: hidden; height: 308px; }
.mission-photo .crop img {
  display: block; width: 100%; height: 308px;
  object-fit: cover; object-position: 44% 40%;
  transform: scale(1.42); transform-origin: 44% 40%;
  filter: grayscale(1) contrast(1.05);
}
.mission-photo figcaption a { border-bottom: 1px solid var(--rule-dark); }

/* ---------- about ------------------------------------------- */

.about {
  max-width: var(--page); margin: 0 auto;
  padding: 80px var(--margin-r) 80px var(--margin-l);
}
.about h2 { margin-bottom: 44px; }
.about-grid { display: grid; grid-template-columns: 236px 1fr; gap: 64px; align-items: start; }
.about-photo { margin: 0; }
.about-photo img { display: block; width: 100%; height: 288px; object-fit: cover; object-position: 34% 26%; }
.about-photo figcaption { font-size: 12px; }
.about-lede {
  max-width: 36em;
  font-family: var(--serif); font-size: 22px; line-height: 1.6; color: var(--ink);
}
.about p { max-width: 38em; line-height: 1.72; color: var(--soft-ink); }
.about p:last-child { margin-bottom: 0; }

/* ---------- contact ----------------------------------------- */

.contact { background: var(--raised); border-top: 2px solid var(--ink); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 452px; gap: 80px; align-items: start;
  max-width: var(--page); margin: 0 auto;
  padding: 72px var(--margin-r) 72px var(--margin-l);
}
.contact h2 { margin-bottom: 24px; }
.contact-lede {
  margin: 0; max-width: 26em;
  font-family: var(--serif); font-weight: 300;
  font-size: 26px; line-height: 1.44; color: var(--ink);
}
.contact form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-size: 12px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--soft-ink);
}
.field input, .field textarea {
  padding: 12px 14px;
  border: 1px solid var(--rule-dark); border-radius: 0;
  background: var(--paper);
  font-family: var(--sans); font-size: 16px; color: var(--ink);
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--ink); outline: none; }
.contact button {
  align-self: flex-start;
  padding: 13px 30px;
  border: 1px solid var(--ink); border-radius: 0;
  background: var(--ink); color: var(--raised);
  font-family: var(--sans); font-size: 14px; font-weight: 600; letter-spacing: .06em;
  cursor: pointer;
}
.contact button:hover { background: var(--oxide); border-color: var(--oxide); }

/* ---------- Lantern Watch ----------------------------------- */

.lantern {
  max-width: var(--page); margin: 0 auto;
  padding: 60px var(--margin-r) 64px var(--margin-l);
  border-top: 1px solid var(--rule);
}
.lantern h2 { margin-bottom: 32px; }
.lantern-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.lantern .book-label { margin-bottom: 4px; }
.lantern h3 {
  max-width: 19em;
  font-size: 31px; line-height: 1.16; letter-spacing: -.01em;
}
.lantern p { margin: 16px 0 0; max-width: 34em; color: var(--soft-ink); }
.lantern-list {
  margin: 0 0 26px; padding: 0; list-style: none;
  border-top: 1px solid var(--rule);
}
.lantern-list li {
  padding: 11px 0; border-bottom: 1px solid var(--rule);
  font-size: 16px; color: var(--soft-ink);
}

/* ---------- footer ------------------------------------------ */

.site-footer {
  display: flex; justify-content: space-between; align-items: baseline;
  max-width: var(--page); margin: 0 auto;
  padding: 26px var(--margin-r) 40px var(--margin-l);
  border-top: 2px solid var(--ink);
  font-size: 14px; color: var(--muted);
}
.site-footer a { border-bottom: 1px solid var(--rule-dark); }

/* ============================================================
   Mobile — single column, spine moves to x=20, margins tighten.
   ============================================================ */

@media (max-width: 900px) {
  :root { --margin-l: 40px; --margin-r: 24px; --spine-x: 20px; }

  body { font-size: 16px; }
  .spine::after { top: 74px; height: 96px; }

  .masthead { flex-direction: column; align-items: flex-start; gap: 0; padding-bottom: 0; border-bottom: 0; }
  .wordmark { font-size: 21px; padding-bottom: 12px; }
  .masthead { padding-top: 22px; }
  .site-nav {
    width: 100%;
    flex-wrap: wrap; gap: 8px 20px;
    padding: 12px 0 16px;
    border-top: 2px solid var(--ink);
    border-bottom: 1px solid var(--rule);
  }
  .site-nav a { font-size: 14px; }

  .hero { grid-template-columns: 1fr; gap: 0; padding-top: 32px; padding-bottom: 34px; }
  .hero h1 { font-size: 40px; line-height: 1.06; letter-spacing: -.015em; }
  .hero-portrait { order: 2; margin: 26px 0 0; }
  .hero-portrait img { height: 172px; object-position: 38% 28%; }
  .hero .lede { order: 3; font-size: 17px; }

  section > h2, .section-head h2, .mission h2, .lantern h2 { font-size: 13px; }

  .book, .guide, .about-grid, .mission-grid, .contact-grid, .lantern-grid {
    grid-template-columns: 1fr; gap: 20px;
  }
  .cover { width: 150px; }
  .cover::before { transform: translate(8px, 10px); filter: blur(9px); }
  .cover::after { width: 7px; }
  .book-body h3 { font-size: 27px; line-height: 1.14; }
  .book-body h3.h3-small { font-size: 23px; }
  .book-sub { font-size: 17px; }
  .links { flex-direction: column; }
  .btn { padding: 14px 20px; font-size: 15px; }   /* 48px tap target */
  .guide { margin: 0 calc(-1 * var(--margin-r)) 0 calc(-1 * var(--margin-l)); padding: 28px var(--margin-r) 30px var(--margin-l); }
  .all-books { flex-direction: column; gap: 12px; padding-bottom: 30px; }

  .mission blockquote p { font-size: 24px; line-height: 1.36; }
  .mission-photo { order: -1; }
  .mission-photo .crop, .mission-photo .crop img { height: 200px; }
  .mission-photo .crop img { transform: scale(1.5); }

  .about-photo img { height: 190px; }
  .about-lede { font-size: 20px; line-height: 1.56; }

  .contact-lede { font-size: 21px; line-height: 1.46; }
  .contact button { align-self: stretch; padding: 15px 24px; font-size: 15px; }

  .lantern h3 { font-size: 24px; line-height: 1.18; }
  .lantern .btn { display: block; text-align: left; }

  .site-footer { flex-direction: column; gap: 8px; }
  .site-footer a { align-self: flex-start; }
}