/* =========================================================
   Posit Source Technologies : marketing site
   Design tokens
   ========================================================= */
:root {
  /* Brand (derived from the PST logo green) */
  --green-500: #5CAC01;
  --green-600: #4E9200;
  --green-700: #3D7300;
  --green-100: #EAF6D8;
  --green-050: #F4FAEA;

  /* Sparing warm accent, used only for the agentic AI highlight */
  --orange-500: #E07B29;
  --orange-700: #4A2205;

  /* Ink / neutrals (deep green-based dark, not black) */
  --ink-900: #16301F;
  --ink-800: #1E3D28;
  --ink-700: #2A4A32;
  --ink-600: #3E5A44;
  --grey-600: #55604F;
  --grey-500: #6E7A68;
  --grey-300: #C9D2C0;
  --grey-100: #EEF2E9;
  --paper: #FBFCFA;
  --white: #FFFFFF;

  /* Semantic */
  --bg: var(--paper);
  --bg-dark: var(--ink-900);
  --bg-dark-alt: var(--ink-800);
  --text: var(--ink-900);
  --text-muted: var(--grey-600);
  --text-on-dark: #EDF3E9;
  --text-on-dark-muted: #A9BCA0;
  --border: var(--grey-100);
  --border-dark: #2E4636;

  /* Type */
  --font-display: "Sora", "Arial", sans-serif;
  --font-body: "Inter", "Arial", sans-serif;

  /* Layout */
  --max-w: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;

  --shadow-card: 0 1px 2px rgba(11,18,13,0.04), 0 8px 24px rgba(11,18,13,0.06);
  --shadow-card-hover: 0 4px 10px rgba(11,18,13,0.06), 0 16px 40px rgba(11,18,13,0.10);
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
body, h1, h2, h3, h4, p, figure, ul, ol { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink-900); font-weight: 700; line-height: 1.12; letter-spacing: -0.01em; }

.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { position: relative; }

/* Focus visibility */
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--green-600);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================
   Type scale utility classes
   ========================================================= */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-700);
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-500);
  flex: none;
}
.on-dark .eyebrow { color: var(--green-500); }

.section-head { max-width: 640px; margin-bottom: 2.75rem; }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-top: 0.6rem; }
.section-head p { margin-top: 0.9rem; color: var(--text-muted); font-size: 1.05rem; }
.on-dark .section-head p { color: var(--text-on-dark-muted); }

.section-head.center { margin-inline: auto; text-align: center; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--green-500);
  color: var(--ink-900);
  box-shadow: 0 8px 20px rgba(92,172,1,0.28);
}
.btn-primary:hover { background: var(--green-600); box-shadow: 0 10px 24px rgba(92,172,1,0.36); }
.btn-ghost {
  background: transparent;
  border-color: rgba(11,18,13,0.16);
  color: var(--ink-900);
}
.btn-ghost:hover { border-color: var(--ink-900); }
.on-dark .btn-ghost { border-color: rgba(234,240,231,0.28); color: var(--text-on-dark); }
.on-dark .btn-ghost:hover { border-color: var(--text-on-dark); }

/* =========================================================
   Nav
   ========================================================= */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}
.site-nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(251,252,250,0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}
.site-nav.is-scrolled { border-bottom-color: var(--border); }
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand img { height: 34px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.1rem;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-700);
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--green-500);
  transition: right 0.22s ease;
}
.nav-links a:hover::after { right: 0; }

.nav-cta { display: flex; align-items: center; gap: 1rem; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--white);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink-900); transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links { position: fixed; top: 76px; left: 0; right: 0; bottom: 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; padding: 2rem var(--gutter); gap: 1.5rem;
    transform: translateX(100%); transition: transform 0.28s ease; overflow-y: auto; }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { font-size: 1.15rem; }
  .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  padding: 168px 0 96px;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(560px 380px at 88% 12%, rgba(92,172,1,0.20), transparent 60%),
    radial-gradient(420px 320px at 8% 90%, rgba(92,172,1,0.10), transparent 60%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: minmax(0,1.05fr) minmax(0,0.95fr);
  gap: 3.5rem;
  align-items: center;
  position: relative;
}
.hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  color: var(--white);
  margin-top: 0.9rem;
}
.hero h1 em { font-style: normal; color: var(--orange-500); }
.hero p.lead {
  margin-top: 1.4rem;
  font-size: 1.12rem;
  color: var(--text-on-dark-muted);
  max-width: 46ch;
}
.hero .cta-row { margin-top: 2.2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  margin-top: 3.2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.5rem;
  border-top: 1px solid var(--border-dark);
  padding-top: 1.8rem;
  max-width: 640px;
}
.hero-stats .num { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--white); }
.hero-stats .lbl { font-size: 0.8rem; color: var(--text-on-dark-muted); margin-top: 0.2rem; }

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0,1fr)); max-width: none; }
  .hero-art { order: -1; max-width: 420px; margin-inline: auto; }
}

/* =========================================================
   Graph / node-edge motif (signature element)
   ========================================================= */
.node { fill: #0F2416; stroke: var(--green-500); stroke-width: 1.6; }
.node-solid { fill: var(--green-500); }
.node-ring { fill: none; stroke: var(--green-500); stroke-width: 2; }
.edge { stroke: rgba(133,196,64,0.55); stroke-width: 1.6; fill: none; }
.edge-flow {
  stroke-dasharray: 6 10;
  animation: dashmove 2.6s linear infinite;
}
@keyframes dashmove { to { stroke-dashoffset: -160; } }
.pulse { animation: pulse 2.8s ease-in-out infinite; transform-origin: center; }
.pulse.delay1 { animation-delay: 0.5s; }
.pulse.delay2 { animation-delay: 1s; }
.pulse.delay3 { animation-delay: 1.5s; }
@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* =========================================================
   Generic section paddings
   ========================================================= */
.section { padding: 6.5rem 0; }
.section.tight { padding: 4.5rem 0; }
.section.on-dark { background: var(--bg-dark); color: var(--text-on-dark); }
.section.alt { background: var(--white); }
.section.tinted { background: var(--green-050); }

/* =========================================================
   About checklist
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: start;
}
.checklist { display: flex; flex-direction: column; gap: 1.3rem; margin-top: 1.6rem; }
.checklist li { display: flex; gap: 0.85rem; align-items: flex-start; font-size: 1rem; color: var(--text-muted); }
.on-dark .checklist li { color: var(--text-on-dark-muted); }
.checklist .tick {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--ink-900); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; margin-top: 0.1rem;
}
.on-dark .checklist .tick { background: var(--green-500); color: var(--ink-900); }

.stat-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}
.stat-card.dark { background: var(--ink-900); border-color: var(--ink-900); }
.stat-card .num { font-family: var(--font-display); font-size: 2.1rem; font-weight: 700; color: var(--ink-900); }
.stat-card.dark .num { color: var(--white); }
.stat-card .lbl { font-size: 0.85rem; font-weight: 600; margin-top: 0.3rem; }
.stat-card.dark .lbl { color: var(--white); }
.stat-card .sub { font-size: 0.78rem; color: var(--grey-500); margin-top: 0.15rem; }
.stat-card.dark .sub { color: var(--text-on-dark-muted); }

/* =========================================================
   Card grids (capabilities, use cases, why-posit)
   ========================================================= */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr) 1.05fr;
  grid-template-rows: repeat(2, auto);
  grid-template-areas:
    "a b f"
    "c d f";
  gap: 1.5rem;
}
.usecase-grid .uc-a { grid-area: a; }
.usecase-grid .uc-b { grid-area: b; }
.usecase-grid .uc-c { grid-area: c; }
.usecase-grid .uc-d { grid-area: d; }
.usecase-grid .uc-f { grid-area: f; display: flex; flex-direction: column; }
.uc-diagram { flex: 1; display: flex; align-items: center; margin-top: 1.4rem; }
.uc-diagram svg { width: 100%; height: auto; }
@media (max-width: 900px) {
  .usecase-grid { grid-template-columns: repeat(2, 1fr); grid-template-areas: "a b" "f f" "c d"; }
}
@media (max-width: 620px) {
  .usecase-grid { grid-template-columns: 1fr; grid-template-areas: "a" "b" "f" "c" "d"; }
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.9rem;
  transition: box-shadow 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
}
.card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); border-color: var(--grey-300); }
.card.highlight { background: var(--ink-900); border-color: var(--ink-900); color: var(--text-on-dark); }
.card.highlight .card-desc { color: var(--text-on-dark-muted); }

.icon-badge {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--green-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem;
}
.icon-badge svg { width: 24px; height: 24px; }
.card.highlight .icon-badge { background: rgba(92,172,1,0.18); }

.card h3 { font-size: 1.12rem; margin-bottom: 0.55rem; }
.card .card-desc { color: var(--text-muted); font-size: 0.96rem; }
.built-from {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--green-700); margin-bottom: 0.4rem;
}
.card.highlight .built-from { color: var(--green-500); }

.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.1rem; }
.tag {
  font-size: 0.74rem; font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--grey-100);
  color: var(--ink-700);
}
.card.highlight .tag { background: rgba(255,255,255,0.08); color: var(--text-on-dark); }
.tag.agentic { background: var(--orange-500); color: var(--orange-700); }

/* =========================================================
   Agentic AI spotlight
   ========================================================= */
.spotlight { background: var(--ink-900); color: var(--text-on-dark); padding: 7rem 0; overflow: hidden; }
.spotlight-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 3.5rem; align-items: center; }
.spotlight .checklist .tick { background: var(--green-500); color: var(--ink-900); }
.mini-case-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-top: 2.2rem; }
.mini-case {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-s);
  padding: 1.1rem 1.2rem;
}
.mini-case h4 { font-size: 0.92rem; color: var(--white); margin-bottom: 0.35rem; }
.mini-case p { font-size: 0.82rem; color: var(--text-on-dark-muted); }

.diagram-wrap {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-l);
  padding: 1.5rem;
}
.diagram-wrap svg { width: 100%; height: auto; }

@media (max-width: 980px) {
  .spotlight-grid, .about-grid { grid-template-columns: 1fr; }
  .mini-case-row { grid-template-columns: 1fr; }
}

/* =========================================================
   Technology tag cloud
   ========================================================= */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 900px) { .tech-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .tech-grid { grid-template-columns: 1fr; } }
.tech-cat {
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.4rem 1.5rem;
  background: var(--white);
}
.tech-cat h4 { font-size: 0.95rem; color: var(--green-700); margin-bottom: 0.8rem; letter-spacing: 0.02em; }
.tech-cat .tag-row { margin-top: 0; }

/* =========================================================
   Team
   ========================================================= */
.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.4rem;
}
@media (max-width: 1080px) { .team-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 620px) { .team-grid { grid-template-columns: repeat(2,1fr); } }

.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.5rem 1.2rem;
  text-align: center;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.team-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink-900);
  background: linear-gradient(145deg, var(--green-100), var(--green-500) 130%);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 1px var(--border);
  overflow: hidden;
}
.avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.team-card h4 { font-size: 1rem; margin-bottom: 0.2rem; }
.team-card .role { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.9rem; }
.li-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--ink-700);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.li-link:hover { background: var(--green-500); border-color: var(--green-500); color: var(--ink-900); }
.li-link svg { width: 16px; height: 16px; }

/* =========================================================
   Why Posit
   ========================================================= */
.why-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.why-grid .card { flex: 0 1 calc((100% - 3rem) / 3); min-width: 260px; }
@media (max-width: 900px) { .why-grid .card { flex-basis: calc((100% - 1.5rem) / 2); } }
@media (max-width: 620px) { .why-grid .card { flex-basis: 100%; } }

/* =========================================================
   CTA band + Footer
   ========================================================= */
.cta-band {
  background: linear-gradient(120deg, var(--ink-900), #234A2E 65%, var(--ink-900));
  color: var(--text-on-dark);
  padding: 5.5rem 0;
  text-align: center;
}
.cta-band h2 { color: var(--white); font-size: clamp(1.8rem, 3.4vw, 2.7rem); }
.cta-band p { margin-top: 1rem; color: var(--text-on-dark-muted); font-size: 1.05rem; }
.cta-band .cta-row { justify-content: center; margin-top: 2rem; }

.site-footer { background: var(--ink-900); color: var(--text-on-dark-muted); padding: 4rem 0 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand img { height: 30px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; max-width: 32ch; }
.social-row { display: flex; gap: 0.7rem; margin-top: 1.3rem; }
.social-row .li-link { border-color: var(--border-dark); color: var(--text-on-dark-muted); }
.social-row .li-link:hover { background: var(--green-500); border-color: var(--green-500); color: var(--ink-900); }
.footer-col h5 { color: var(--white); font-size: 0.85rem; margin-bottom: 1rem; letter-spacing: 0.04em; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a, .footer-col li span { font-size: 0.9rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: center; align-items: center; padding-top: 1.6rem; font-size: 0.82rem; text-align: center; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Get started steps
   ========================================================= */
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; position: relative; }
.step { position: relative; padding-top: 0.5rem; }
.step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--green-500);
  opacity: 0.55;
  margin-bottom: 0.4rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
@media (max-width: 900px) { .steps-row { grid-template-columns: 1fr; gap: 2.5rem; } }

/* =========================================================
   FAQ accordion
   ========================================================= */
.faq-list { max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 0.3rem 1.4rem;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 0;
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--green-600);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--text-muted); font-size: 0.95rem; padding-bottom: 1.1rem; max-width: 65ch; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   Inner pages: simple hero, prose, blog listing
   ========================================================= */
.page-hero {
  background: var(--ink-900);
  color: var(--text-on-dark);
  padding: 168px 0 4.5rem;
}
.page-hero .container { max-width: 820px; }
.page-hero h1 { color: var(--white); font-size: clamp(2rem, 4vw, 2.9rem); margin-top: 0.7rem; }
.page-hero p.lead { margin-top: 1.2rem; font-size: 1.08rem; color: var(--text-on-dark-muted); max-width: 60ch; }
.page-hero .breadcrumb { font-size: 0.85rem; color: var(--text-on-dark-muted); margin-top: 1rem; }
.page-hero .breadcrumb a { color: var(--text-on-dark-muted); text-decoration: underline; }
.page-hero .breadcrumb a:hover { color: var(--white); }

.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { font-size: 1.5rem; margin-top: 2.6rem; margin-bottom: 0.9rem; }
.prose h3 { font-size: 1.15rem; margin-top: 1.8rem; margin-bottom: 0.6rem; }
.prose p { margin-bottom: 1.1rem; color: var(--text-muted); font-size: 1.02rem; line-height: 1.7; }
.prose ul, .prose ol { margin: 0 0 1.2rem 1.3rem; color: var(--text-muted); }
.prose li { margin-bottom: 0.5rem; line-height: 1.65; }
.prose li::marker { color: var(--green-600); }
.prose a { color: var(--green-700); text-decoration: underline; }
.prose strong { color: var(--ink-900); }
.prose .meta { font-size: 0.85rem; color: var(--grey-500); margin-bottom: 2rem; }

.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; max-width: 900px; margin-inline: auto; }
@media (max-width: 700px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.8rem;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.blog-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.blog-card .cat { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--green-700); }
.blog-card h3 { font-size: 1.15rem; margin: 0.5rem 0 0.6rem; }
.blog-card p { color: var(--text-muted); font-size: 0.95rem; }
.blog-card .read-more { display: inline-block; margin-top: 0.9rem; font-size: 0.9rem; font-weight: 600; color: var(--green-700); }