/* ==================================================================
   ARL RESOURCES — shared styles for /resources and study-guide pages.
   Mirrors the brand tokens used by the homepage (index.html :root).
   Fonts and favicons are served from the site root.
   ================================================================== */

@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/InstrumentSerif-Regular.woff2") format("woff2"), url("/assets/fonts/InstrumentSerif-Regular.ttf") format("truetype");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/InstrumentSerif-Italic.woff2") format("woff2"), url("/assets/fonts/InstrumentSerif-Italic.ttf") format("truetype");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/Geist-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/Geist-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/Geist-SemiBold.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}

:root {
  --bg-dark:        #0F1F18;
  --bg-ink:         #0F1F18;
  --bg-light:       #F5F2ED;
  --bg-white:       #FAFAF8;
  --primary:        #1B3A2D;
  --accent:         #C4973B;
  --accent-hover:   #D4A94D;
  --accent-ink:     #8A671F;   /* gold deepened for text on light (4.65:1 on parchment) */
  --text-primary:   #1A1A1A;
  --text-secondary: #5C5C5C;
  --text-tertiary:  #6B6B6B;   /* 4.77:1 on parchment (was #8A8A8A) */
  --text-on-dark:   #F5F2ED;
  --serif:  "Instrument Serif", "Times New Roman", Georgia, serif;
  --sans:   "Geist", -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  --page-gutter: clamp(22px, 6vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
html { background: var(--bg-light); scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- Top nav (subpage variant — always visible, no hero) ---- */
.site-nav { background: var(--bg-light); border-bottom: 1px solid rgba(0,0,0,0.12); position: sticky; top: 0; z-index: 50; }
.site-nav-inner { max-width: 72rem; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px var(--page-gutter); }
.site-nav-brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; text-decoration: none; color: var(--text-primary); font-family: var(--sans); font-weight: 600; font-size: 13px; letter-spacing: 0.01em; white-space: nowrap; }
.site-nav-brand svg { width: 18px; height: auto; color: var(--accent); }
.site-nav-links { display: flex; align-items: center; gap: 26px; }
.site-nav-links a { text-decoration: none; color: var(--text-secondary); font-family: var(--sans); font-weight: 500; font-size: 13px; letter-spacing: 0.01em; padding: 6px 0; border-bottom: 1.5px solid transparent; transition: color .15s ease, border-color .15s ease; white-space: nowrap; }
.site-nav-links a:hover { color: var(--text-primary); }
.site-nav-links a.is-active { color: var(--text-primary); border-bottom-color: var(--accent); }
.site-nav-links a.site-nav-cta { background: var(--accent); color: #1A1A1A; font-weight: 600; padding: 8px 16px; border-radius: 2px; border-bottom: none; }
.site-nav-links a.site-nav-cta:hover { background: var(--accent-hover); }
.site-nav-toggle, .site-nav-close { display: none; background: none; border: none; cursor: pointer; padding: 6px; color: var(--text-primary); }
.site-nav-toggle svg, .site-nav-close svg { display: block; width: 24px; height: 24px; }
@media (max-width: 860px) {
  .site-nav-toggle { display: inline-flex; }
  .site-nav-inner {
    padding-top: 12px;
    padding-bottom: 12px;
    padding-left: max(var(--page-gutter), env(safe-area-inset-left, 0px));
    padding-right: max(var(--page-gutter), env(safe-area-inset-right, 0px));
  }
  .site-nav-brand { font-size: 12px; max-width: calc(100% - 48px); }
  .site-nav-links { position: fixed; inset: 0; z-index: 60; flex-direction: column; justify-content: center; gap: 10px; padding: 40px max(24px, env(safe-area-inset-right, 0px)) 40px max(24px, env(safe-area-inset-left, 0px)); background: var(--bg-light); transform: translateY(-100%); visibility: hidden; transition: transform .28s ease, visibility 0s linear .28s; }
  .site-nav-links.is-open { transform: translateY(0); visibility: visible; transition: transform .28s ease; }
  .site-nav-links.is-open .site-nav-close { display: inline-flex; position: absolute; top: max(18px, env(safe-area-inset-top, 0px)); right: max(18px, env(safe-area-inset-right, 0px)); }
  .site-nav-links a { font-family: var(--serif); font-weight: 400; font-size: 24px; color: var(--text-primary); border-bottom: none; }
  .site-nav-links a.site-nav-cta { font-family: var(--sans); font-size: 16px; margin-top: 14px; }
}

/* ---- Page shell ---- */
.wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
  padding-left: max(var(--page-gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right, 0px));
}

.page-head { padding-block: 72px 24px; }
@media (max-width: 720px) {
  .page-head { padding-block: 44px 20px; }
}
.breadcrumb { font-family: var(--sans); font-size: 12px; letter-spacing: 0.04em; color: var(--text-tertiary); text-decoration: none; }
.breadcrumb:hover { color: var(--accent-ink); }
.eyebrow { display: block; font-family: var(--sans); font-weight: 500; font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent-ink); margin: 18px 0 10px; }
.page-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.05;
  margin: 0 0 16px;
  overflow-wrap: break-word;
}
.page-head .lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.4;
  color: var(--text-secondary);
  max-width: 42rem;
  margin: 0;
  overflow-wrap: break-word;
}

.section { padding-block: 40px 8px; }
@media (max-width: 720px) { .section { padding-block: 32px 8px; } }
.section-head { border-top: 1px solid rgba(0,0,0,0.14); padding-top: 20px; margin-bottom: 28px; }
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 38px);
  margin: 0 0 6px;
  overflow-wrap: break-word;
}
.section-head p { font-family: var(--sans); font-size: 15px; color: var(--text-secondary); max-width: 40rem; margin: 0; }

/* ---- Books ---- */
.books { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px; background: rgba(0,0,0,0.12); border: 1px solid rgba(0,0,0,0.12); }
@media (max-width: 720px) { .books { grid-template-columns: 1fr; } }
.book { background: var(--bg-white); padding: 28px 26px; display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 720px) { .book { padding: 22px 20px; } }
.book .b-cover { display: block; height: 176px; width: auto; max-width: 124px; margin: 0 0 14px; border-radius: 2px; box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 10px 24px rgba(0,0,0,0.16); }
@media (max-width: 720px) { .book .b-cover { height: 160px; } }
.book .b-title { font-family: var(--serif); font-size: 24px; line-height: 1.15; margin: 0; overflow-wrap: break-word; }
.book .b-author { font-family: var(--sans); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-tertiary); }
.book .b-blurb { font-family: var(--sans); font-size: 14.5px; line-height: 1.55; color: var(--text-secondary); margin: 4px 0 0; }
.book .b-link { margin-top: auto; padding-top: 14px; font-family: var(--sans); font-weight: 500; font-size: 13px; color: var(--accent-ink); text-decoration: none; align-self: flex-start; border-bottom: 1px solid transparent; }
.book .b-link:hover { border-bottom-color: var(--accent-ink); }
.affiliate-note { font-family: var(--sans); font-size: 12px; color: var(--text-tertiary); margin: 16px 0 0; line-height: 1.5; }

/* ---- Study guides ---- */
.guides { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
@media (max-width: 720px) { .guides { grid-template-columns: 1fr; } }
.guide-card { background: var(--bg-white); border: 1px solid rgba(0,0,0,0.12); padding: 26px; display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 720px) { .guide-card { padding: 22px 20px; } }
.guide-card .g-cat { font-family: var(--sans); font-weight: 500; font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-ink); }
.guide-card h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; line-height: 1.15; margin: 0; overflow-wrap: break-word; }
.guide-card p { font-family: var(--sans); font-size: 14.5px; line-height: 1.55; color: var(--text-secondary); margin: 0; }
.guide-actions { margin-top: auto; padding-top: 16px; display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.g-read { font-family: var(--sans); font-weight: 600; font-size: 13px; color: var(--accent-ink); text-decoration: none; border-bottom: 1px solid transparent; }
.g-read:hover { border-bottom-color: var(--accent-ink); }
.g-download { font-family: var(--sans); font-weight: 500; font-size: 13px; color: var(--text-secondary); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.g-download svg { width: 15px; height: 15px; }
.g-download:hover { color: var(--text-primary); }
.g-status { font-family: var(--sans); font-weight: 500; font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-tertiary); margin-top: auto; padding-top: 16px; }

/* ---- Guide article (individual study-guide page) ---- */
.guide { padding-block: 8px 64px; }
.guide article { max-width: 42rem; }
.guide .meta-row { display: flex; gap: 14px; align-items: center; margin-bottom: 28px; flex-wrap: wrap; }
.btn-download { font-family: var(--sans); font-weight: 600; font-size: 13px; color: #1A1A1A; background: var(--accent); border: none; cursor: pointer; padding: 9px 16px; border-radius: 2px; display: inline-flex; align-items: center; gap: 7px; }
.btn-download:hover { background: var(--accent-hover); }
.btn-download svg { width: 15px; height: 15px; }
.guide h2 { font-family: var(--serif); font-weight: 400; font-size: 30px; margin: 40px 0 10px; }
.guide h3 { font-family: var(--sans); font-weight: 600; font-size: 15px; letter-spacing: 0.02em; margin: 26px 0 6px; }
.guide p, .guide li { font-family: var(--sans); font-size: 18px; line-height: 1.6; color: var(--text-primary); }
.guide blockquote { font-family: var(--serif); font-style: italic; font-size: 21px; line-height: 1.4; color: var(--primary); border-left: 2px solid var(--accent); margin: 24px 0; padding: 4px 0 4px 22px; }
.guide ol, .guide ul { padding-left: 22px; }
.guide .ref { color: var(--accent-ink); font-weight: 500; }
.draft-banner { background: rgba(196,151,59,0.12); border: 1px solid rgba(196,151,59,0.4); border-radius: 3px; padding: 12px 16px; font-family: var(--sans); font-size: 13px; color: var(--primary); margin-bottom: 28px; }

.foundation-card {
  background: var(--primary);
  color: var(--text-on-dark);
  border: none;
  padding: 32px 28px;
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: end;
}
@media (max-width: 720px) { .foundation-card { grid-template-columns: 1fr; padding: 24px 20px; } }
.foundation-card .f-eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-hover);   /* 5.3:1 on covenant green; base gold is 4.4:1 */
  margin: 0 0 10px;
}
.foundation-card h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.08;
  margin: 0 0 10px;
  color: var(--text-on-dark);
}
.foundation-card p {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  color: rgba(245,242,237,0.82);
  margin: 0;
  max-width: 36rem;
}
.foundation-card .f-cta {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: #1A1A1A;
  background: var(--accent);
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 2px;
  white-space: nowrap;
}
.foundation-card .f-cta:hover { background: var(--accent-hover); }

/* ---- Shareables / marketing deck ---- */
.marketing-section {
  margin-top: 24px;
  padding-bottom: 48px;
}
.marketing-head {
  border-top-color: rgba(0,0,0,0.14);
}
.marketing-head h2,
.marketing-head p {
  max-width: none;
}

.deck-stage {
  background: var(--bg-ink, #0F1F18);
  border: 1px solid rgba(196,151,59,0.22);
  padding: 48px 28px 32px;
  position: relative;
  overflow: hidden;
}
.deck-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(196,151,59,0.08), transparent 60%),
    radial-gradient(ellipse 40% 30% at 80% 100%, rgba(27,58,45,0.5), transparent);
  pointer-events: none;
}
@media (max-width: 720px) {
  .deck-stage { padding: 32px 20px 24px; }
}

.deck {
  position: relative;
  height: clamp(280px, 58vw, 440px);
  max-width: 640px;
  margin: 0 auto 28px;
  perspective: 1200px;
  touch-action: pan-y;
  outline: none;
}
@media (max-width: 720px) {
  .deck { height: clamp(260px, 72vw, 360px); margin-bottom: 22px; }
}
.deck:focus-visible {
  box-shadow: 0 0 0 2px var(--accent);
  border-radius: 4px;
}

.deck-card {
  --deck-rot: 0deg;
  --deck-x: 0px;
  --deck-y: 0px;
  --deck-scale: 1;
  --deck-drag-x: 0px;
  --deck-drag-y: 0px;
  --deck-drag-rot: 0deg;
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(200px, 42vw, 280px);
  aspect-ratio: 1;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  transform:
    translate(-50%, -50%)
    translateX(calc(var(--deck-x) + var(--deck-drag-x)))
    translateY(calc(var(--deck-y) + var(--deck-drag-y)))
    rotate(calc(var(--deck-rot) + var(--deck-drag-rot)))
    scale(var(--deck-scale));
  transform-origin: center bottom;
  transition:
    transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s ease,
    opacity 0.32s ease;
  border-radius: 6px;
  box-shadow:
    0 2px 0 rgba(0,0,0,0.35),
    0 14px 36px rgba(0,0,0,0.45);
}
.deck-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  display: block;
  pointer-events: none;
  user-select: none;
}
.deck-card.is-behind {
  opacity: 0.92;
}
.deck-card.is-active {
  opacity: 1;
  cursor: grab;
  box-shadow:
    0 4px 0 rgba(0,0,0,0.4),
    0 24px 56px rgba(0,0,0,0.55),
    0 0 0 1px rgba(196,151,59,0.35);
}
.deck-card.is-dragging {
  transition: none;
  cursor: grabbing;
  z-index: 200;
}
.deck-card:hover.is-behind {
  opacity: 1;
}
.deck-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
@media (prefers-reduced-motion: reduce) {
  .deck-card {
    transition: box-shadow 0.2s ease, opacity 0.2s ease;
  }
  .deck-card:not(.is-active) {
    display: none;
  }
}

.deck-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px 28px;
  align-items: end;
  padding-top: 4px;
  border-top: 1px solid rgba(245,242,237,0.1);
}
@media (max-width: 720px) {
  .deck-panel {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

.deck-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.15;
  color: var(--text-on-dark);
  margin: 0 0 6px;
  text-transform: capitalize;
  overflow-wrap: break-word;
}
.deck-ref {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 4px;
}
.deck-note {
  font-family: var(--sans);
  font-size: 12px;
  color: rgba(245,242,237,0.55);
  margin: 0;
}

.deck-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}
@media (max-width: 720px) {
  .deck-actions {
    align-items: stretch;
  }
}

.deck-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}
.deck-prev,
.deck-next {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,242,237,0.06);
  border: 1px solid rgba(245,242,237,0.14);
  border-radius: 2px;
  color: var(--text-on-dark);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.deck-prev svg,
.deck-next svg {
  width: 18px;
  height: 18px;
}
.deck-prev:hover,
.deck-next:hover {
  background: rgba(245,242,237,0.12);
  border-color: rgba(196,151,59,0.4);
}
.deck-counter {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(245,242,237,0.6);
  min-width: 3.5rem;
  text-align: center;
}

.deck-downloads {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  min-width: 200px;
}
.deck-download,
.deck-download-all {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  border: none;
  cursor: pointer;
  padding: 11px 18px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.deck-download svg,
.deck-download-all svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.deck-download {
  color: #1A1A1A;
  background: var(--accent);
}
.deck-download:hover:not(:disabled) {
  background: var(--accent-hover);
}
.deck-download-all {
  color: var(--text-on-dark);
  background: rgba(245,242,237,0.06);
  border: 1px solid rgba(245,242,237,0.18);
}
.deck-download-all:hover:not(:disabled) {
  background: rgba(245,242,237,0.12);
  border-color: rgba(196,151,59,0.4);
}
.deck-download:disabled,
.deck-download-all:disabled {
  opacity: 0.65;
  cursor: wait;
}

.deck-hint {
  position: relative;
  z-index: 1;
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(245,242,237,0.42);
  text-align: center;
  margin: 20px 0 0;
}

/* ---- Footer ---- */
.footer { background: var(--bg-dark); color: var(--text-on-dark); margin-top: 64px; }
.footer .wrap { padding-top: 36px; padding-bottom: max(36px, env(safe-area-inset-bottom)); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
@media (max-width: 720px) {
  .footer { margin-top: 48px; }
  .footer .wrap { flex-direction: column; align-items: flex-start; gap: 12px; }
}
.footer a { color: var(--text-on-dark); text-decoration: none; font-size: 13px; }
.footer .f-left { display: flex; align-items: center; gap: 10px; font-family: var(--sans); font-size: 13px; }
.footer .f-left svg { width: 18px; color: var(--accent); }
.footer .f-right { font-family: var(--sans); font-size: 12px; color: #A0A0A0; letter-spacing: 0.04em; }

/* ---- Print: turn a guide page into a clean PDF ---- */
@media print {
  .site-nav, .footer, .meta-row, .breadcrumb { display: none !important; }
  html, body { background: #fff; color: #000; }
  .guide { padding: 0; }
  .guide article { max-width: none; }
  .page-head { padding-block: 0 12px; }
  @page { margin: 2cm; }
}