/* ==========================================================================
   HGN Tax — design system implementation
   Source: HGN-2024-Brand Guidelines_1016.pdf + "brand guidlines - for claude.txt"
   ========================================================================== */

/* ---- 1. Color ramps ---- */
:root {
  --denim-900: #16303C;
  --denim-800: #1D3D4C;
  --denim-700: #244A5D; /* brand */
  --denim-600: #355E72;
  --denim-500: #4C7488;
  --denim-400: #7396A6;
  --denim-300: #A6BDC8;
  --denim-200: #CEDCE3;
  --denim-100: #E6EEF2;

  --green-900: #2E6B52;
  --green-700: #449171; /* seafoam, brand */
  --green-500: #6BAE8C;
  --green-400: #9ACA9B; /* spearmint, brand */
  --green-200: #C6E0C6;
  --green-100: #E7F1E7;

  --burnt-700: #8E3F24;
  --burnt-600: #B15332; /* brand */
  --burnt-500: #C46B49;
  --burnt-300: #E0A98F;
  --burnt-100: #F4E0D6;

  --grain-50: #FBFAF8;
  --grain-100: #F6F3EF;
  --grain-200: #F0ECE8; /* brand, page bg */
  --grain-300: #E3DCD4;
  --grain-400: #CFC6BB;
  --neutral-500: #8C857C;
  --neutral-700: #5B554E;
  --ink: #1C2B31;

  /* ---- 2. Semantic tokens ---- */
  --surface-page: var(--grain-200);
  --surface-card: #FFFFFF;
  --surface-paper: var(--grain-50);
  --surface-inverse: var(--denim-700);
  --surface-inverse-2: var(--denim-900);
  --surface-brand: var(--green-700);
  --surface-subtle: var(--grain-100);

  --text-strong: var(--denim-700);
  --text-body: #33474F;
  --text-muted: var(--neutral-700);
  --text-subtle: var(--neutral-500);
  --text-on-dark: var(--grain-100);
  --text-on-dark-strong: #FFFFFF;
  --text-on-dark-muted: var(--denim-300);
  --text-accent: var(--burnt-600);
  --text-link: var(--green-700);

  --border-subtle: rgba(36,74,93,0.12);
  --border-default: rgba(36,74,93,0.20);
  --border-strong: rgba(36,74,93,0.38);
  --border-on-dark: rgba(240,236,232,0.18);

  --focus-ring: 0 0 0 3px rgba(68,145,113,0.45);

  /* ---- Fonts ---- */
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* ---- Spacing (8px grid) ---- */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px;
  --sp-6: 24px; --sp-7: 32px; --sp-8: 40px; --sp-9: 48px; --sp-10: 64px;
  --sp-11: 80px; --sp-12: 96px; --sp-13: 128px; --sp-14: 160px;
  --section-y: clamp(64px, 9vw, 140px);
  --gutter: clamp(20px, 5vw, 64px);

  /* ---- Radii ---- */
  --r-xs: 4px; --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 28px; --r-pill: 999px;

  /* ---- Containers ---- */
  --container-lg: 1100px;
  --container-xl: 1280px;

  /* ---- Shadows (denim-tinted) ---- */
  --shadow-xs: 0 1px 2px rgba(28,43,49,0.06);
  --shadow-sm: 0 2px 8px rgba(28,43,49,0.07);
  --shadow-md: 0 8px 24px rgba(28,43,49,0.09);
  --shadow-lg: 0 18px 48px rgba(28,43,49,0.13);
  --shadow-xl: 0 32px 80px rgba(22,48,60,0.20);

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(0.22,0.61,0.36,1);
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --dur-fast: 140ms;
  --dur-base: 220ms;
  --dur-slow: 400ms;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---- Reset ---- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text-body);
  background: var(--surface-page);
  background-image: url('../img/textures/paper-tan.jpg');
  background-repeat: repeat;
  background-size: 600px auto;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
::selection { background: var(--green-200); }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  color: var(--text-strong);
}
h4 { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.005em; color: var(--text-strong); margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 3.6vw, 3.4rem); line-height: 1.1; letter-spacing: -0.04em; font-weight: 500; }
h2 { font-size: clamp(1.6rem, 2.7vw, 2.35rem); }
h3 { font-size: 1.55rem; }
h4 { font-size: 1.28rem; }
p { margin: 0 0 1em; }
.lead { font-size: 1.18rem; line-height: 1.75; color: var(--text-body); }

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

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text-accent);
  display: block;
  margin-bottom: 0.9em;
}
.eyebrow.tone-seafoam { color: var(--green-700); }
.eyebrow.tone-onDark { color: var(--text-on-dark); }
.eyebrow.tone-onDarkMuted { color: var(--text-on-dark-muted); }

section { padding: var(--section-y) 0; }
section.tight { padding: var(--sp-9) 0; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.005em;
  height: 46px;
  padding: 0 22px;
  font-size: 15px;
  border-radius: var(--r-pill);
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);
  box-shadow: var(--shadow-sm);
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn-lg { height: 56px; padding: 0 30px; font-size: 17px; }
/* Compound .btn.btn-X selectors (specificity 0,2,0) so button colors reliably
   beat single class+element link rules from parent containers (e.g. `.nav-links a`,
   `.prose a`, `.footer-grid a`), which would otherwise win on specificity and make
   button labels invisible against their own background. */
.btn.btn-primary { background: var(--denim-700); color: #fff; }
.btn.btn-primary:hover { background: var(--denim-800); box-shadow: var(--shadow-md); }
.btn.btn-secondary { background: var(--green-700); color: #fff; }
.btn.btn-secondary:hover { background: var(--green-900); box-shadow: var(--shadow-md); }
.btn.btn-accent { background: var(--burnt-600); color: #fff; }
.btn.btn-accent:hover { background: var(--burnt-700); box-shadow: var(--shadow-md); }
.btn.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--text-strong); box-shadow: none; }
.btn.btn-outline:hover { background: var(--grain-100); }
.btn.btn-outline-onDark { background: transparent; border-color: rgba(255,255,255,0.55); color: #fff; box-shadow: none; }
.btn.btn-outline-onDark:hover { background: rgba(255,255,255,0.12); }
.btn.btn-ghost { background: transparent; color: var(--text-strong); box-shadow: none; }
.btn.btn-ghost:hover { background: var(--grain-100); }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header .container-xl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.site-logo img { height: 32px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--text-strong); padding: 6px 0; }
.nav-links a:hover { color: var(--green-700); }
.nav-links a.btn { padding: 0 22px; }
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--surface-card);
  box-shadow: var(--shadow-lg);
  border-radius: var(--r-md);
  padding: 8px;
  min-width: 190px;
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 9px 12px; border-radius: var(--r-sm); font-weight: 500; }
.nav-dropdown-menu a:hover { background: var(--grain-100); }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-toggle { display: block; background: none; border: none; font-size: 1.6rem; color: var(--denim-700); cursor: pointer; }
  .nav-links {
    position: fixed; top: 78px; left: 0; right: 0;
    background: var(--surface-card);
    flex-direction: column; align-items: flex-start; gap: 4px;
    padding: 16px 24px 28px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: all var(--dur-base) var(--ease-standard);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-dropdown-menu { position: static; box-shadow: none; display: none; padding-left: 12px; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .nav-cta { margin: 8px 0 0; }
}

/* ---- Hero ---- */
.hero { position: relative; color: #fff; background: var(--denim-700); background-size: cover; background-position: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(22,48,60,0.90) 0%, rgba(22,48,60,0.55) 55%, rgba(22,48,60,0.30) 100%); }
.hero .container, .hero .container-xl { position: relative; padding-top: 100px; padding-bottom: 100px; }
.hero-sm .container, .hero-sm .container-xl { padding-top: 68px; padding-bottom: 68px; }
.hero h1 { color: #fff; max-width: 760px; }
.hero p.lead { max-width: 600px; color: var(--text-on-dark-muted); }
.btn-row { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .hero .container, .hero .container-xl { padding-top: 48px; padding-bottom: 48px; }
  .hero-sm .container, .hero-sm .container-xl { padding-top: 40px; padding-bottom: 40px; }
}

/* ---- Folder-tab section divider ---- */
.tab-divider {
  display: grid;
  grid-template-columns: auto 1px 1fr;
  gap: var(--gutter);
  align-items: start;
  margin-bottom: 48px;
}
.tab-divider .tab-num {
  font-family: var(--font-serif);
  font-size: clamp(64px, 9vw, 128px);
  line-height: 1;
  font-weight: 500;
  color: var(--green-400);
  opacity: 0.55;
  letter-spacing: -0.02em;
}
.tab-divider .tab-rule { width: 1px; background: var(--border-default); align-self: stretch; }
.tab-divider .tab-body { padding-top: 10px; }
.tab-divider .tab-body h2 { margin-bottom: 0.35em; }
.tab-divider .tab-body p { max-width: 560px; color: var(--text-body); margin-bottom: 0; }
.band .tab-divider .tab-num { color: rgba(255,255,255,0.28); }
.band .tab-divider .tab-rule { background: var(--border-on-dark); }
@media (max-width: 700px) {
  .tab-divider { grid-template-columns: auto 1fr; }
  .tab-divider .tab-rule { display: none; }
}

/* ---- Badge ---- */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--r-pill);
  padding: 5px 12px;
  vertical-align: middle;
}
.badge-neutral { background: var(--grain-300); color: var(--text-strong); }
.badge-denim { background: var(--denim-700); color: #fff; }
.badge-seafoam { background: var(--green-700); color: #fff; }
.badge-accent { background: var(--burnt-600); color: #fff; }
.badge-outline { background: transparent; border: 1px solid var(--border-strong); color: var(--text-strong); }
.badge-onDark { background: rgba(255,255,255,0.14); color: #fff; }

/* ---- Cards ---- */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface-card);
  color: var(--text-body);
  border-radius: var(--r-lg);
  padding: var(--sp-7) var(--sp-6);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
}
.is-interactive { transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard); }
.is-interactive:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.card.tone-paper { background: var(--surface-paper); box-shadow: var(--shadow-sm); }
.card.tone-grain { background: var(--grain-100); box-shadow: none; }
.card.tone-denim { background: var(--denim-700); color: #fff; }
.card.tone-denim h3, .card.tone-denim h4 { color: #fff; }
.card.tone-seafoam { background: var(--green-700); color: #fff; }
.card.tone-seafoam h3, .card.tone-seafoam h4 { color: #fff; }
.card h3, .card h4 { margin-bottom: 0.4em; }
.card p:last-child { margin-bottom: 0; }

.feature-card { display: flex; flex-direction: column; gap: var(--sp-4); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  background: var(--green-100);
  color: var(--green-700);
}
.feature-icon.tone-denim { background: var(--denim-100); color: var(--denim-700); }
.feature-icon.tone-accent { background: var(--burnt-100); color: var(--burnt-600); }
.feature-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.card-photo { display: block; text-decoration: none; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); background: var(--surface-card); color: var(--text-body); }
.card-photo img { height: 220px; width: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-standard); }
.card-photo:hover img { transform: scale(1.04); }
.card-photo .card-photo-body { padding: 24px 26px; }
.card-photo .card-photo-body h3 { margin-bottom: 0.3em; font-size: 1.25rem; }

.section-header { max-width: 680px; margin-bottom: 44px; }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }

.band { background: var(--surface-inverse); color: var(--text-on-dark); }
.band h1, .band h2, .band h3, .band h4 { color: #fff; }
.band-tan { background: transparent; }
.band-green { background: var(--surface-brand); color: #fff; }
.band-green h2, .band-green h3 { color: #fff; }
.band .border-on-dark, .band-green .border-on-dark { border-color: var(--border-on-dark); }

.cta-banner { background: var(--surface-inverse); color: #fff; border-radius: var(--r-xl); padding: 56px 44px; text-align: center; box-shadow: var(--shadow-lg); }
.cta-banner h2 { color: #fff; }
.cta-banner p { color: var(--text-on-dark-muted); max-width: 520px; margin-left: auto; margin-right: auto; }

/* ---- Quote ---- */
.quote-card {
  background: var(--surface-card);
  color: var(--text-body);
  border-radius: var(--r-lg);
  padding: var(--sp-7);
  box-shadow: var(--shadow-md);
  position: relative;
}
.quote-mark { color: var(--green-400); font-size: 15px; margin-bottom: 12px; }
.quote-mark svg { width: 28px; height: 28px; fill: var(--green-400); }
.quote-card p.quote-text { font-family: var(--font-serif); font-size: 1.2rem; line-height: 1.5; color: var(--text-strong); margin-bottom: 18px; }
.quote-attribution { font-family: var(--font-sans); font-weight: 600; font-size: 14px; color: var(--text-body); }
.quote-attribution .stars { color: var(--burnt-600); letter-spacing: 2px; margin-bottom: 4px; display: block; font-size: 13px; }

/* ---- Lists ---- */
.check-list li { position: relative; padding-left: 26px; margin-bottom: 10px; }
.check-list li:last-child { margin-bottom: 0; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; background: var(--green-700); border-radius: 50%; }
/* One continuous list that lays out in two columns on wider screens,
   instead of two separate <ul>s in a grid — avoids a mismatched gap
   between "columns" once they stack (grid gap != in-list item gap). */
.check-list-columns { column-count: 1; column-gap: 40px; }
.check-list-columns li { break-inside: avoid-column; }
@media (min-width: 700px) { .check-list-columns { column-count: 2; } }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-list li { background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--r-pill); padding: 8px 17px; font-size: 0.9rem; font-weight: 500; }

/* ---- Article / prose ---- */
.prose { max-width: 720px; margin: 0 auto; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; color: var(--green-700); font-size: 1.25rem; }
.prose ul { list-style: disc; padding-left: 1.3em; margin-bottom: 1em; }
.prose ul li { margin-bottom: 0.4em; }
.prose a { color: var(--text-link); text-decoration: underline; }
.article-meta { font-size: 0.85rem; color: var(--text-strong); opacity: 0.7; margin-bottom: 1.6em; }
.back-link { display: inline-block; margin-bottom: 28px; font-weight: 600; color: var(--green-700); text-decoration: none; }
.back-link:hover { text-decoration: underline; }

.resource-list-item { display: block; padding: 22px 0; border-bottom: 1px solid var(--border-subtle); text-decoration: none; }
.resource-list-item:hover h3 { color: var(--green-700); }
.resource-list-item h3 { margin-bottom: 4px; font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; color: var(--text-strong); }
.resource-list-item p { margin: 0; color: var(--text-body); opacity: 0.8; font-size: 0.95rem; }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info-list li { margin-bottom: 16px; font-size: 1.02rem; }
.contact-info-list li:last-child { margin-bottom: 0; }
.contact-info-list .label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--green-700); font-weight: 700; margin-bottom: 3px; }

form.contact-form label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--text-strong); }
form.contact-form input, form.contact-form textarea {
  width: 100%; font-family: var(--font-sans); font-size: 1rem;
  height: 46px; padding: 0 14px;
  border: 1px solid var(--border-default); border-radius: var(--r-sm);
  margin-bottom: 18px; background: var(--surface-card);
  transition: box-shadow var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}
form.contact-form textarea { height: auto; padding: 12px 14px; }
form.contact-form input:focus, form.contact-form textarea:focus { outline: none; border-color: var(--green-700); box-shadow: var(--focus-ring); }
.form-note { font-size: 0.85rem; opacity: 0.75; margin-top: -8px; }

/* ---- Footer ---- */
.site-footer { background: var(--denim-900); color: var(--text-on-dark-muted); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; margin-bottom: 44px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
.footer-logo img { height: 28px; margin-bottom: 16px; }
.footer-grid h4 { color: #fff; font-family: var(--font-sans); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; }
.footer-grid a { text-decoration: none; color: var(--text-on-dark-muted); }
.footer-grid a:hover { color: #fff; }
.footer-links li { margin-bottom: 11px; }
.footer-links li:last-child { margin-bottom: 0; }
.footer-social { display: flex; gap: 14px; margin-top: 8px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: background var(--dur-base) var(--ease-standard); }
.footer-social a:hover { background: var(--green-700); }
.footer-social svg { width: 17px; height: 17px; fill: currentColor; }
.footer-bottom { border-top: 1px solid var(--border-on-dark); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.85rem; }
.footer-bottom a { text-decoration: underline; }

/* ---- 404 ---- */
.not-found { text-align: center; padding: 140px 0; }

/* ---- Accordion ---- */
.accordion { max-width: 780px; margin: 0 auto; }
.accordion-item { border-bottom: 1px solid var(--border-subtle); }
.accordion-item:first-child { border-top: 1px solid var(--border-subtle); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 4px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text-strong);
  text-align: left;
}
.accordion-trigger:hover { color: var(--green-700); }
.accordion-trigger:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--r-sm); }
.accordion-trigger > span:first-child { min-width: 0; }
.accordion-chevron {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--grain-200);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: transform var(--dur-base) var(--ease-standard), background var(--dur-base) var(--ease-standard);
}
.accordion-item.open .accordion-chevron { transform: rotate(180deg); background: var(--green-700); color: #fff; }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-standard);
}
.accordion-panel-inner { padding: 0 4px 24px; }
.accordion-panel-inner p { margin-bottom: 0.9em; font-size: 0.95rem; }
.accordion-panel-inner p:last-child { margin-bottom: 0; }
.accordion-panel-inner strong { color: var(--text-strong); }

/* ---- Book cards ---- */
.book-card { display: flex; gap: 18px; align-items: flex-start; }
.book-card img { width: 90px; border-radius: var(--r-xs); box-shadow: var(--shadow-md); flex-shrink: 0; }
.book-card h3 { font-size: 1.05rem; margin-bottom: 0.2em; font-family: var(--font-sans); font-weight: 600; }
.book-card p { font-size: 0.92rem; margin-bottom: 0.3em; opacity: 0.85; }
.book-card p:last-child { margin-bottom: 0; }