/* =========================================================================
   resources.css  ·  Resources index page
   Two content tiers: flagship Playbooks (top), Blog archive (below).
   Inherits tokens from colors_and_type.css + arca.css.
   ========================================================================= */

/* ---------- HERO ---------- */
.res-hero {
  position: relative;
  padding: 120px 0 72px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0, 196, 161, 0.12), transparent 50%),
    radial-gradient(ellipse at 80% 10%, rgba(226, 106, 31, 0.08), transparent 55%),
    var(--void);
  color: var(--parchment);
  overflow: hidden;
}
.res-hero__inner { position: relative; z-index: 1; max-width: 900px; }
.res-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--arc-teal); margin-bottom: 24px;
}
.res-hero__eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--arc-teal);
}
.res-hero__h1 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(44px, 6vw, 76px); line-height: 1.05;
  letter-spacing: -0.02em; margin: 0 0 24px;
}
.res-hero__h1 em { font-style: italic; color: var(--arc-teal); }
.res-hero__sub {
  font-size: 19px; line-height: 1.55; max-width: 640px;
  color: rgba(240, 237, 232, 0.75);
}

/* ---------- SECTION HEADING ---------- */
.res-section {
  padding: 96px 0;
}
.res-section--parch { background: var(--parchment); color: var(--void); }
.res-section--void  { background: var(--void);      color: var(--parchment); }
.res-section__head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 40px; margin-bottom: 48px; flex-wrap: wrap;
}
.res-section__eyebrow {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--arc-teal-text); margin-bottom: 10px;
}
.res-section--void .res-section__eyebrow { color: var(--arc-teal); }
.res-section__h2 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(34px, 4vw, 52px); line-height: 1.1;
  letter-spacing: -0.02em; margin: 0;
}
.res-section__h2 em { font-style: italic; }
.res-section__meta {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.06em; color: var(--muted-parch);
  white-space: nowrap;
}
.res-section--void .res-section__meta { color: var(--dim-void); }

/* ---------- PLAYBOOK CARDS (top of page) ---------- */
.playbooks {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.playbook {
  position: relative; display: flex; flex-direction: column;
  background: var(--void); color: var(--parchment);
  border: 1px solid rgba(0, 196, 161, 0.22);
  padding: 36px 36px 32px;
  cursor: pointer; text-align: left; width: 100%;
  font-family: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.playbook:hover {
  transform: translateY(-3px);
  border-color: var(--arc-teal);
  box-shadow: 0 20px 40px -20px rgba(0, 196, 161, 0.35);
}
.playbook__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--arc-amber); margin-bottom: 20px;
}
.playbook__badge::before {
  content: ''; width: 20px; height: 1px; background: var(--arc-amber);
}
.playbook__title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 28px; line-height: 1.2; letter-spacing: -0.01em;
  margin: 0 0 16px;
}
.playbook__deck {
  font-size: 15px; line-height: 1.55;
  color: rgba(240, 237, 232, 0.72);
  margin: 0 0 28px;
}
.playbook__meta {
  display: flex; flex-wrap: wrap; gap: 20px;
  padding-top: 20px; margin-top: auto;
  border-top: 1px solid rgba(240, 237, 232, 0.08);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.04em; color: var(--dim-void);
}
.playbook__meta strong { color: var(--parchment); font-weight: 500; }
.playbook__cta {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 20px;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--arc-teal);
}
.playbook__cta svg { transition: transform 0.2s; }
.playbook:hover .playbook__cta svg { transform: translateX(3px); }

/* ---------- BLOG FILTERS ---------- */
.blog-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.blog-filter {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid rgba(8, 15, 28, 0.14);
  background: transparent; color: var(--on-parch);
  cursor: pointer; transition: all 0.15s;
  border-radius: 2px;
}
.res-section--void .blog-filter {
  border-color: rgba(240, 237, 232, 0.14);
  color: var(--parchment);
}
.blog-filter:hover { border-color: var(--arc-teal-text); }
.res-section--void .blog-filter:hover { border-color: var(--arc-teal); }
.blog-filter--active {
  background: var(--void); color: var(--parchment); border-color: var(--void);
}
.res-section--void .blog-filter--active {
  background: var(--arc-teal); color: var(--void); border-color: var(--arc-teal);
}
.blog-filter__count {
  margin-left: 6px;
  color: rgba(8, 15, 28, 0.4);
  font-size: 10px; font-weight: 400;
}
.blog-filter--active .blog-filter__count { color: rgba(240, 237, 232, 0.55); }
.res-section--void .blog-filter__count { color: rgba(240, 237, 232, 0.35); }

/* ---------- BLOG GRID ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(8, 15, 28, 0.08);
  border: 1px solid rgba(8, 15, 28, 0.08);
}
.post {
  position: relative; background: var(--parchment);
  padding: 32px 28px 28px;
  cursor: pointer; text-align: left; width: 100%;
  font-family: inherit;
  display: flex; flex-direction: column;
  min-height: 260px;
  border: none;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}
.post:hover { background: #F6F3EE; }
.post__top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.post__cat {
  color: var(--arc-teal-text);
}
.post__cat--program      { color: #006B56; }
.post__cat--standards    { color: #1B3A52; }
.post__cat--assistive    { color: #8B4A0F; }
.post__cat--culture      { color: #6B3075; }
.post__date {
  color: var(--muted-parch);
  font-size: 10px;
}
.post__title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 22px; line-height: 1.25; letter-spacing: -0.005em;
  margin: 0 0 14px;
  color: var(--on-parch);
}
.post__sub {
  font-size: 14px; line-height: 1.5;
  color: rgba(8, 15, 28, 0.62);
  margin: 0 0 20px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.post__foot {
  margin-top: auto; padding-top: 18px;
  border-top: 1px solid rgba(8, 15, 28, 0.08);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted-parch);
}
.post__author { display: flex; align-items: center; gap: 8px; }
.post__author::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}
.post__author--nadav::before { background: var(--arc-teal-text); }
.post__author--tamar::before { background: #8B4A0F; }
.post__author--arca::before  { background: #1B3A52; }

.blog-empty {
  grid-column: 1 / -1;
  padding: 80px 24px;
  text-align: center;
  color: var(--muted-parch);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- MODAL (post viewer) ---------- */
.pm-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 15, 28, 0.8);
  backdrop-filter: blur(8px);
  display: flex; align-items: stretch; justify-content: center;
  animation: pm-fade 0.2s ease;
}
@keyframes pm-fade { from { opacity: 0; } to { opacity: 1; } }
.pm-modal {
  position: relative;
  margin: 40px;
  width: 100%;
  max-width: 820px;
  background: var(--parchment);
  color: var(--on-parch);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: pm-slide 0.25s cubic-bezier(.2, .8, .25, 1);
}
@keyframes pm-slide {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.pm-modal__bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px 14px 28px;
  border-bottom: 1px solid rgba(8, 15, 28, 0.1);
  background: var(--parchment);
  position: sticky; top: 0; z-index: 2;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted-parch);
}
.pm-modal__close {
  background: transparent; border: 1px solid rgba(8, 15, 28, 0.14);
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--on-parch);
  transition: all 0.15s;
}
.pm-modal__close:hover {
  background: var(--void); color: var(--parchment); border-color: var(--void);
}
.pm-modal__fullpage {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--arc-teal-text);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--arc-teal-text);
  border-radius: 999px;
  transition: all 0.15s;
  white-space: nowrap;
}
.pm-modal__fullpage:hover {
  background: var(--arc-teal); color: var(--void); border-color: var(--arc-teal);
}
.pm-modal__body {
  overflow-y: auto;
  padding: 48px 56px 72px;
}
.pm-modal__cat {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 18px;
}
.pm-modal__title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(28px, 3.5vw, 42px); line-height: 1.15;
  letter-spacing: -0.015em; margin: 0 0 18px;
}
.pm-modal__sub {
  font-size: 18px; line-height: 1.5;
  color: rgba(8, 15, 28, 0.7);
  margin: 0 0 28px;
}
.pm-modal__meta {
  display: flex; flex-wrap: wrap; gap: 16px 24px;
  padding: 16px 0;
  border-top: 1px solid rgba(8, 15, 28, 0.1);
  border-bottom: 1px solid rgba(8, 15, 28, 0.1);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; color: var(--muted-parch);
  margin-bottom: 40px;
}
.pm-modal__meta strong { color: var(--on-parch); font-weight: 500; }

/* Body content typography */
.post-hero {
  margin: 0 0 40px;
  padding: 0;
  border: 1px solid var(--parchment-300);
  border-radius: 2px;
  overflow: hidden;
  background: var(--parchment-200);
  aspect-ratio: 800 / 320;
}
.post-hero svg { display: block; width: 100%; height: 100%; }
.pm-content { font-size: 16px; line-height: 1.7; color: var(--on-parch); }
.pm-content p,
.pm-content li,
.pm-content blockquote { color: var(--on-parch); }
.pm-content p { margin: 0 0 18px; }
.pm-content h2 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 26px; line-height: 1.2;
  color: var(--on-parch);
  margin: 40px 0 16px; letter-spacing: -0.01em;
}
.pm-content h3 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 20px; line-height: 1.3;
  color: var(--on-parch);
  margin: 32px 0 12px;
}
.pm-content a {
  color: var(--arc-teal-text);
  text-decoration: underline; text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.pm-content a:hover { color: var(--void); }
.pm-content ul, .pm-content ol { padding-left: 22px; margin: 0 0 18px; }
.pm-content li { margin-bottom: 8px; }
.pm-content img {
  max-width: 100%; height: auto;
  margin: 24px 0;
  border: 1px solid rgba(8, 15, 28, 0.1);
}
.pm-content strong { font-weight: 600; }
.pm-content em { font-style: italic; }
.pm-content iframe { max-width: 100%; margin: 24px 0; }
.pm-content blockquote {
  margin: 24px 0; padding: 14px 22px;
  border-left: 2px solid var(--arc-teal);
  color: rgba(8, 15, 28, 0.75);
  font-style: italic;
}

/* ---------- PDF MODAL (playbook viewer) ---------- */
.pdf-modal {
  max-width: 1100px;
  background: var(--void); color: var(--parchment);
}
.pdf-modal .pm-modal__bar {
  background: var(--void); color: rgba(240, 237, 232, 0.75);
  border-bottom-color: rgba(240, 237, 232, 0.1);
}
.pdf-modal__brand {
  display: flex; align-items: center; gap: 16px;
}
.pdf-modal__lockup { height: 24px; width: auto; display: block; }
.pdf-modal__badge {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(240, 237, 232, 0.65);
  padding-left: 16px;
  border-left: 1px solid rgba(240, 237, 232, 0.15);
}
.pdf-modal .pm-modal__close {
  color: var(--parchment); border-color: rgba(240, 237, 232, 0.2);
}
.pdf-modal .pm-modal__close:hover {
  background: var(--arc-teal); color: var(--void); border-color: var(--arc-teal);
}
.pdf-modal__frame {
  flex: 1; min-height: 70vh;
  border: none;
  background: #2a2a2a;
}
.pdf-modal__actions {
  display: flex; gap: 12px; align-items: center;
}
.pdf-modal__download {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--arc-teal); text-decoration: none;
  padding: 8px 14px;
  border: 1px solid rgba(0, 196, 161, 0.3);
  transition: all 0.15s;
}
.pdf-modal__download:hover {
  background: var(--arc-teal); color: var(--void); border-color: var(--arc-teal);
}
.pdf-modal__download--ghost {
  background: transparent; cursor: pointer;
}
.pdf-modal__download--solid {
  background: var(--arc-teal); color: var(--void); border-color: var(--arc-teal);
}
.pdf-modal__download--solid:hover {
  background: transparent; color: var(--parchment);
  border-color: rgba(240, 237, 232, 0.2);
}

/* ---------- PDF FALLBACK (when browser can't inline-render) ---------- */
.pdf-fallback {
  flex: 1;
  min-height: 70vh;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0, 196, 161, 0.08), transparent 60%),
    var(--void);
  padding: 48px 32px;
}
.pdf-fallback__inner {
  max-width: 520px; text-align: center;
  color: var(--parchment);
}
.pdf-fallback__icon {
  color: rgba(0, 196, 161, 0.85);
  display: inline-flex; margin-bottom: 28px;
}
.pdf-fallback__badge {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--arc-teal); margin-bottom: 14px;
}
.pdf-fallback__title {
  font-family: var(--font-display, Georgia, serif);
  font-size: 28px; line-height: 1.2; font-weight: 500;
  margin: 0 0 18px;
  text-wrap: balance;
}
.pdf-fallback__body {
  font-size: 15px; line-height: 1.55;
  color: rgba(240, 237, 232, 0.72);
  margin: 0 0 28px;
}
.pdf-fallback__actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 24px;
}
.pdf-fallback__meta {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(240, 237, 232, 0.45);
  display: flex; gap: 10px; justify-content: center;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .playbooks { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .pm-modal, .pdf-modal { margin: 0; max-width: 100%; }
  .pm-modal__body { padding: 32px 24px 56px; }
}
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
  .res-hero { padding: 80px 0 56px; }
  .res-section { padding: 64px 0; }
  .playbook { padding: 28px 24px; }
}