/* ============================================================
   josegudemd.com — dark / clean / minimal author site
   ============================================================ */

:root {
  --bg:        #0a0e1a;   /* deep navy */
  --bg-soft:   #11151f;
  --bg-card:   #141826;
  --cream:     #e8e0ce;
  --cream-dim: #b9b09b;
  --cream-mute:#7d7868;
  --gold:      #daa055;
  --gold-soft: #c48c42;
  --teal:      #78c8b4;
  --violet:    #b4a0e6;
  --rule:      #2a2e3d;
  --rule-soft: #1c2030;
  --shadow:    0 8px 28px rgba(0,0,0,.45);
  --serif:     "Iowan Old Style", "Apple Garamond", "Caladea", "Libre Baskerville",
               "Liberation Serif", Georgia, "Times New Roman", serif;
  --sans:      -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial,
               "Inter", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
a:hover { color: var(--cream); border-bottom-color: var(--gold-soft); }

/* ========================  Navigation  ======================== */

.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,14,26,.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule-soft);
}
.nav {
  max-width: 1100px; margin: 0 auto;
  padding: 18px 28px;
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 24px;
}
.brand {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  letter-spacing: .01em;
  color: var(--cream);
  border-bottom: none;
}
.brand:hover { color: var(--gold); }
.nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 26px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.nav a {
  color: var(--cream-dim);
  border-bottom: none;
}
.nav a:hover, .nav a.active { color: var(--gold); }
@media (max-width: 640px) {
  .nav { flex-direction: column; align-items: flex-start; gap: 12px; padding: 14px 20px; }
  .nav ul { flex-wrap: wrap; gap: 14px 18px; font-size: 12px; }
}

/* ========================  Layout  ======================== */

.container { max-width: 880px; margin: 0 auto; padding: 0 28px; }
.container-wide { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

section { padding: 70px 0; }
section:first-of-type { padding-top: 90px; }

@media (max-width: 640px) {
  section { padding: 50px 0; }
  section:first-of-type { padding-top: 60px; }
}

/* ========================  Typography  ======================== */

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: .005em; }

h1 {
  font-size: 56px; line-height: 1.08;
  font-style: italic;
  margin: 0 0 24px 0;
  color: var(--cream);
}
h2 {
  font-size: 32px; line-height: 1.2;
  font-style: italic;
  margin: 0 0 24px 0;
  color: var(--cream);
}
h3 {
  font-size: 22px; line-height: 1.3;
  margin: 0 0 14px 0;
  color: var(--cream);
}
.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px 0;
}
.lede {
  font-size: 21px;
  line-height: 1.55;
  color: var(--cream);
  font-style: italic;
  max-width: 38em;
  margin: 0 0 30px 0;
}
p { margin: 0 0 1.05em 0; color: var(--cream); }
.dim { color: var(--cream-dim); }
.mute { color: var(--cream-mute); }
em { font-style: italic; }
strong { font-weight: 600; color: var(--cream); }

hr.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 50px 0;
}
.rule-short {
  display: block;
  width: 60px; height: 1px;
  background: var(--gold);
  margin: 28px 0;
}

blockquote {
  font-style: italic;
  font-size: 19px;
  line-height: 1.55;
  margin: 28px 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--gold);
  color: var(--cream);
}
blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  font-style: normal;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

/* ========================  Hero  ======================== */

.hero {
  padding: 100px 0 70px 0;
  text-align: left;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.1;
  white-space: nowrap;
}
.hero .lede { font-size: 23px; max-width: 32em; }
@media (max-width: 640px) {
  .hero { padding: 60px 0 40px 0; }
  .hero h1 { font-size: 28px; white-space: normal; }  /* allow wrap on small screens */
  .hero .lede { font-size: 18px; }
}

/* ========================  Books grid  ======================== */

.book-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px 40px;
}
@media (max-width: 720px) {
  .book-grid { grid-template-columns: 1fr; gap: 38px; }
}

.book-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 22px;
  align-items: start;
}
@media (max-width: 480px) {
  .book-card { grid-template-columns: 110px 1fr; gap: 16px; }
}

.book-card .cover {
  display: block;
  box-shadow: var(--shadow);
  border-radius: 2px;
  transition: transform .3s ease;
}
.book-card .cover:hover { transform: translateY(-3px); }
.book-card h3 { font-style: italic; font-size: 24px; margin: 0 0 4px 0; }
.book-card .meta {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px 0;
}
.book-card p { font-size: 15px; color: var(--cream-dim); margin: 0 0 10px 0; }
.book-card .read-more {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: none;
}
.book-card .read-more::after { content: " →"; }

/* ========================  Single book hero  ======================== */

.book-hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: start;
  padding: 80px 0 40px 0;
}
@media (max-width: 720px) {
  .book-hero { grid-template-columns: 1fr; gap: 36px; padding: 50px 0 30px 0; text-align: center; }
  .book-hero .cover-large { max-width: 260px; margin: 0 auto; }
}

.book-hero .cover-large {
  box-shadow: var(--shadow);
  border-radius: 2px;
}
.book-hero h1 { font-size: 48px; margin-bottom: 8px; }
.book-hero .subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--gold);
  margin: 0 0 18px 0;
}
.book-hero .meta {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin: 0 0 22px 0;
}

/* ========================  Buy buttons  ======================== */

.buy-row {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin: 28px 0 10px 0;
}
.buy-btn {
  display: inline-block;
  padding: 11px 22px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 2px;
  transition: background .2s ease, color .2s ease;
}
.buy-btn:hover {
  background: var(--gold);
  color: var(--bg);
  border-bottom: 1px solid var(--gold);
}
.buy-btn.solid {
  background: var(--gold);
  color: var(--bg);
}
.buy-btn.solid:hover {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--bg);
}

/* ========================  Sample / details  ======================== */

.sample {
  background: var(--bg-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 3px;
  padding: 30px 34px;
  margin: 36px 0;
}
.sample .eyebrow { margin-bottom: 18px; }
.sample p:first-of-type::first-letter {
  font-style: italic;
  font-size: 2.4em;
  line-height: 1;
  float: left;
  padding-right: 6px;
  color: var(--gold);
}

/* ========================  Themes / reading list  ======================== */

.theme-block { margin: 32px 0; }
.theme-block h3 { color: var(--gold); font-style: italic; }
.theme-block p { font-size: 16px; color: var(--cream); }

.ref-section { margin: 40px 0; }
.ref-section h3 {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  font-style: normal;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.ref-list { list-style: none; padding: 0; margin: 0; }
.ref-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.ref-list .ref-title { color: var(--cream); }
.ref-list .ref-author { color: var(--cream-dim); font-size: 14px; }
.ref-list .ref-note { color: var(--cream-mute); font-size: 14px; font-style: italic; margin-top: 4px; }

/* ========================  Footer  ======================== */

footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--rule-soft);
  margin-top: 70px;
  padding: 40px 0;
  color: var(--cream-mute);
  font-size: 14px;
}
footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
footer .colophon { font-style: italic; }
footer a { color: var(--cream-dim); border-bottom: none; }
footer a:hover { color: var(--gold); }
footer ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 22px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ========================  Chord / decorative  ======================== */

.chord {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  margin: 32px 0;
  font-family: var(--serif);
  font-size: 16px;
}
.chord .note { color: var(--gold); }
.chord .note.alt { color: var(--teal); }
.chord .note.violet { color: var(--violet); }

/* Webb fractal embed */
.fractal-frame {
  display: block;
  width: 100%;
  height: 420px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--bg-soft);
  margin: 32px 0;
}
@media (max-width: 640px) {
  .fractal-frame { height: 340px; }
}