/* ==========================================================================
   J.B. Birch | jbbirch.com
   Sugar Gap Mysteries: navy dusk skies, cream and gold type, cabin-window glow.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Cover palette */
  --gold: #ffd98a;
  --gold-deep: #e9b65c;
  --ember: #e59a3a;
  --warm-white: #fff8ec;
  --cream: #f6e6c8;
  --cream-light: #fff3dc;
  --ink: #1f2a2e;            /* MTN Duck ink */

  /* Night sky */
  --navy-950: #0d1424;
  --navy-900: #141d33;
  --navy-800: #1b2744;
  --navy-700: #263559;
  --dusk: #5a6b94;
  --dusk-rose: #c9927c;

  --text: var(--cream);
  --text-muted: #c6b9a0;
  --line: rgba(255, 217, 138, 0.22);

  /* Type */
  --font-body: "EB Garamond", Georgia, "Times New Roman", serif;
  --font-caps: "Josefin Sans", "Helvetica Neue", Arial, sans-serif;
  --font-script: "Yellowtail", "Brush Script MT", cursive;
  --font-slab: "Alfa Slab One", Rockwell, Georgia, serif;

  /* Layout */
  --container: 1120px;
  --gutter: 16px;
  --radius: 10px;
  --shadow-book: 0 24px 50px -12px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --glow: 0 0 40px rgba(255, 217, 138, 0.35);
}

@media (min-width: 700px) {
  :root { --gutter: 32px; }
}

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

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

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.1875rem;          /* 19px: Garamond runs small */
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

h1, h2, h3 { margin: 0; line-height: 1.1; color: var(--warm-white); font-weight: 400; }

p { margin: 0 0 1em; }

a { color: var(--gold); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--warm-white); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  padding: 10px 16px;
  background: var(--gold); color: var(--ink);
  font-family: var(--font-caps); font-weight: 700;
  border-radius: 6px;
}
.skip-link:focus { top: 12px; }

/* ---------- Shared type styles ---------- */
.series-line,
.eyebrow {
  font-family: var(--font-caps);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.script {
  font-family: var(--font-script);
  color: var(--gold);
  font-weight: 400;
}

.slab-heading {
  font-family: var(--font-slab);
  font-size: clamp(2rem, 6vw, 3rem);
  letter-spacing: 0.01em;
}

.hook {
  font-style: italic;
  color: var(--gold);
  font-size: clamp(1.3rem, 3.6vw, 1.6rem);
  line-height: 1.35;
}
.hook-sm { font-size: 1.3rem; }

.note-gold { color: var(--gold); }
.muted { color: var(--text-muted); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}
.section-head .slab-heading { margin-bottom: 1rem; }
.section-lede { color: var(--text-muted); }

/* ---------- Buttons ---------- */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 999px;
  font-family: var(--font-caps);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.btn-gold {
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  color: var(--ink);
  box-shadow: 0 6px 18px -6px rgba(255, 217, 138, 0.55);
}
.btn-gold:hover { color: var(--ink); transform: translateY(-1px); box-shadow: var(--glow); }

.btn-ghost {
  border-color: var(--line);
  color: var(--cream);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.btn.is-disabled {
  cursor: default;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 20, 36, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.site-header.is-scrolled {
  background: rgba(13, 20, 36, 0.92);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--font-caps);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warm-white);
}
.brand-tag {
  font-family: var(--font-script);
  font-size: 1rem;
  color: var(--gold);
}

/* Mobile nav toggle */
.nav-toggle {
  position: relative;
  width: 44px; height: 44px;
  background: none; border: 0; padding: 0;
  cursor: pointer;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  position: absolute;
  left: 11px;
  width: 22px; height: 2px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle-bar { top: 21px; }
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; left: 0; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after  { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after  { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--navy-950);
  border-bottom: 1px solid var(--line);
  display: none;
}
.site-nav.is-open { display: block; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 8px var(--gutter) 20px;
}
.site-nav a {
  display: block;
  padding: 12px 0;
  font-family: var(--font-caps);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cream);
}
.site-nav a:hover { color: var(--gold); }
.site-nav .nav-cta { color: var(--gold); }

@media (min-width: 820px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: block;
    background: none;
    border: 0;
  }
  .site-nav ul {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0;
  }
  .site-nav a { padding: 6px 0; font-size: 0.78rem; }
  .site-nav .nav-cta {
    padding: 9px 18px;
    border: 1.5px solid var(--gold);
    border-radius: 999px;
  }
  .site-nav .nav-cta:hover { background: var(--gold); color: var(--ink); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  padding: 48px 0 120px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 60% at 70% 100%, rgba(201, 146, 124, 0.35), transparent 60%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-800) 45%, var(--dusk) 100%);
}

.sky { position: absolute; inset: 0; z-index: -1; pointer-events: none; }

.stars {
  position: absolute; inset: 0 0 40% 0;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff8ec 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 8%,  #fff8ec 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 44% 22%, #ffd98a 50%, transparent 51%),
    radial-gradient(1px 1px at 63% 12%, #fff8ec 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 28%, #fff8ec 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 88% 6%, #fff8ec 50%, transparent 51%),
    radial-gradient(1px 1px at 6% 40%, #fff8ec 50%, transparent 51%),
    radial-gradient(1px 1px at 53% 36%, #fff8ec 50%, transparent 51%),
    radial-gradient(1px 1px at 94% 42%, #ffd98a 50%, transparent 51%);
  opacity: 0.7;
  animation: twinkle 6s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: 0.45; } to { opacity: 0.85; } }

.ridges {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%; height: 38%;
}
.ridge-far  { fill: #3b4a70; opacity: 0.65; }
.ridge-mid  { fill: #24304f; opacity: 0.9; }
.ridge-near { fill: var(--navy-900); }

.hero-inner {
  display: grid;
  gap: 40px;
  align-items: center;
  justify-items: center;
  text-align: center;
}

.hero-cover img {
  width: min(70vw, 300px);
  border-radius: 4px;
  box-shadow: var(--shadow-book);
  transform: perspective(1200px) rotateY(-6deg);
}

.book-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}
.book-title .script {
  font-size: clamp(3rem, 12vw, 5rem);
  line-height: 0.9;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
}
.book-title .slab {
  font-family: var(--font-slab);
  font-size: clamp(3.4rem, 15vw, 6rem);
  line-height: 0.95;
  color: var(--warm-white);
  text-shadow: 0 4px 0 rgba(0, 0, 0, 0.3);
}

.hero-blurb { max-width: 34em; margin-left: auto; margin-right: auto; }
.hero .button-row { justify-content: center; }

@media (min-width: 900px) {
  .hero { padding: 80px 0 160px; }
  .hero-inner {
    grid-template-columns: 360px 1fr;
    gap: 72px;
    justify-items: start;
    text-align: left;
  }
  .hero-cover img { width: 360px; }
  .hero-blurb { margin-left: 0; }
  .hero .button-row { justify-content: flex-start; }
}

/* ---------- Newsletter CTA (the big one) ---------- */
.cta {
  position: relative;
  padding: 72px 0;
  background:
    radial-gradient(circle at 18% 50%, rgba(255, 217, 138, 0.22), transparent 45%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cta-inner {
  display: grid;
  gap: 32px;
  justify-items: center;
  text-align: center;
  width: calc(100% - 2 * var(--gutter));
  max-width: 980px;
  padding: 40px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(38, 53, 89, 0.55), rgba(13, 20, 36, 0.6));
  box-shadow: inset 0 1px 0 rgba(255, 248, 236, 0.06), 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}

.jar {
  width: 96px;
  filter: drop-shadow(0 0 22px rgba(255, 217, 138, 0.65));
  animation: glow 3.5s ease-in-out infinite alternate;
}
.jar-lid { fill: #b9a67d; }
.jar-glass { fill: rgba(255, 248, 236, 0.10); stroke: rgba(255, 248, 236, 0.55); stroke-width: 2; }
.jar-shine { opacity: 0.95; }
.jar-cinnamon { fill: #8a4b25; }
.jar-apple { fill: #fff3dc; stroke: #c4553b; stroke-width: 2.5; opacity: 0.9; }
@keyframes glow {
  from { filter: drop-shadow(0 0 14px rgba(255, 217, 138, 0.45)); }
  to   { filter: drop-shadow(0 0 30px rgba(255, 217, 138, 0.85)); }
}

.cta h1, .cta h2 { margin-bottom: 1rem; }
.cta h1 .script,
.cta h2 .script {
  display: block;
  font-size: clamp(2.8rem, 10vw, 4.2rem);
  line-height: 1;
}
.cta-sub {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-caps);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream);
}

.cta-lede {
  font-size: 1.25rem;
  max-width: 32em;
  margin-left: auto;
  margin-right: auto;
}

.cta-perks {
  list-style: none;
  margin: 0 auto 1.75rem;
  padding: 0;
  max-width: 30em;
  text-align: left;
}
.cta-perks li {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: 0.4em;
  color: var(--cream);
}
.cta-perks li::before {
  content: "\2605";               /* a star: the good kind */
  position: absolute; left: 0; top: 0.05em;
  color: var(--gold);
  font-size: 0.95em;
}

/* SendFox signup form */
.signup {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 460px;
  margin: 0 auto;
}
.signup .hp { position: absolute; left: -5000px; }
.signup input[type="email"] {
  width: 100%;
  min-height: 52px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: rgba(255, 248, 236, 0.96);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.1rem;              /* >=16px stops iOS zoom-on-focus */
}
.signup input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(255, 217, 138, 0.35);
}
.signup button {
  min-height: 52px;
  padding: 12px 28px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  color: var(--ink);
  font-family: var(--font-caps);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.signup button:hover { box-shadow: var(--glow); transform: translateY(-1px); }

/* Standalone /newsletter page: the signup is the whole first screen */
.cta-page { border-top: 0; padding-top: 48px; }

.button-row-center { justify-content: center; }

.fine-print {
  margin-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

@media (min-width: 760px) {
  .cta { padding: 96px 0; }
  .cta-inner {
    grid-template-columns: 180px 1fr;
    gap: 48px;
    justify-items: start;
    align-items: center;
    text-align: left;
    padding: 56px 56px;
  }
  .cta-art { justify-self: center; }
  .jar { width: 150px; }
  .cta-lede, .cta-perks, .signup { margin-left: 0; }
  .signup { flex-direction: row; flex-wrap: wrap; max-width: 540px; }
  .signup input[type="email"] { flex: 1 1 240px; width: auto; }
}

/* ---------- Books ---------- */
.books { padding: 88px 0; }

.book-feature {
  display: grid;
  gap: 32px;
  padding: 32px 0 56px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 56px;
}
.book-feature-cover {
  width: min(60vw, 260px);
  justify-self: center;
  border-radius: 4px;
  box-shadow: var(--shadow-book);
}
.book-feature-title {
  font-family: var(--font-slab);
  font-size: clamp(2rem, 6vw, 2.6rem);
  margin-bottom: 1rem;
}

@media (min-width: 820px) {
  .book-feature { grid-template-columns: 300px 1fr; gap: 56px; align-items: start; }
  .book-feature-cover { width: 300px; position: sticky; top: 96px; }
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.book-card h3 {
  font-family: var(--font-slab);
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}
.book-card .series-line { margin: 1.25rem 0 0.4rem; }

.cover-placeholder {
  aspect-ratio: 5 / 8;
  max-width: 220px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 75%, rgba(255, 217, 138, 0.18), transparent 55%),
    linear-gradient(180deg, var(--navy-800), var(--navy-950));
  box-shadow: var(--shadow-book);
}
.ph-num {
  font-family: var(--font-slab);
  font-size: 3.5rem;
  color: var(--gold);
  line-height: 1;
}
.ph-title {
  font-family: var(--font-script);
  font-size: 1.5rem;
  color: var(--cream);
  line-height: 1.15;
}

/* ---------- Sugar Gap / cast ---------- */
.town {
  padding: 88px 0;
  background:
    linear-gradient(180deg, var(--navy-900), var(--navy-800) 50%, var(--navy-900));
}

.cast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.cast-card {
  padding: 28px 26px;
  border-radius: var(--radius);
  background: rgba(13, 20, 36, 0.55);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.cast-card:hover { border-color: rgba(255, 217, 138, 0.5); transform: translateY(-2px); }
.cast-card h3 {
  font-family: var(--font-caps);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.cast-card p { margin: 0; font-size: 1.08rem; }

/* The geography note: same card, styled like a folded trail map */
.cast-card-map {
  border-style: dashed;
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 217, 138, 0.12), transparent 55%),
    rgba(13, 20, 36, 0.55);
}
.cast-card-map h3::before {
  content: "\2736\00a0";          /* a compass-ish star */
}
.cast-card-map p { font-style: italic; }

/* ---------- About ---------- */
.about { padding: 88px 0; text-align: center; }
.about-inner { max-width: 680px; }
.about h2 .script { font-size: clamp(2.6rem, 9vw, 3.6rem); }
.about h2 { margin-bottom: 1.25rem; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 56px 0 40px;
  background: var(--navy-950);
  border-top: 1px solid var(--line);
  text-align: center;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.footer-cta {
  font-family: var(--font-script);
  font-size: 1.7rem;
  text-decoration: none;
}
.publisher img { height: 36px; width: auto; opacity: 0.85; }
.publisher:hover img { opacity: 1; }
.copyright {
  margin: 0;
  font-family: var(--font-caps);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Scroll reveal (enabled by script.js) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}