/* ============================================================
   BIRCHWOOD ADVISORY — SITE STYLESHEET
   Industrial-Technical with Premium Data/Tech Edge
   Tokens follow Birchwood Brand System v1.1
   ============================================================ */

:root {
  /* PRIMARY PALETTE */
  --bw-midnight:     #081E2B;
  --bw-deep-navy:    #0C2D3B;
  --bw-dark-teal:    #164049;
  --bw-mid-teal:     #2F635F;
  --bw-teal:         #356A71;

  /* ACCENT */
  --bw-cyan:         #1FCED8;
  --bw-cyan-glow:    #4FC2D7;
  --bw-aqua:         #86D6CF;
  --bw-aqua-light:   #ABEFEB;
  --bw-green:        #5AB69D;

  /* NEUTRALS */
  --bw-white:        #F0F4F3;
  --bw-white-pure:   #FFFFFF;
  --bw-grey-100:     #D6DFDE;
  --bw-grey-200:     #9BABA8;
  --bw-grey-300:     #5C7270;

  /* STATUS */
  --bw-status-ok:    #34D399;
  --bw-status-warn:  #FBBF24;
  --bw-status-crit:  #EF4444;

  /* CIRCUIT TRACE */
  --bw-trace-dim:    rgba(31, 206, 216, 0.15);
  --bw-trace-glow:   rgba(31, 206, 216, 0.4);

  /* TYPOGRAPHY */
  --font-display:    'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-heading:    'Rajdhani', 'Segoe UI', sans-serif;
  --font-body:       'Barlow', 'Calibri', sans-serif;
  --font-mono:       'JetBrains Mono', Consolas, monospace;

  /* SPACING */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* BORDERS */
  --radius-sm: 4px;
  --radius-md: 6px;
  --border-subtle: 1px solid rgba(31, 206, 216, 0.12);
  --border-accent: 1px solid rgba(31, 206, 216, 0.3);

  /* LAYOUT */
  --container: 1200px;
  --container-narrow: 880px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
img { height: auto; }
/* break long unbreakable strings (URLs, emails) only where they appear */
.footer-col a, a[href^="mailto:"] { word-break: break-word; overflow-wrap: anywhere; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--bw-white);
  background: var(--bw-midnight);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* TYPOGRAPHY */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--bw-white);
}

h1 { font-size: clamp(32px, 5vw, 56px); }
h2 { font-size: clamp(24px, 3.5vw, 38px); letter-spacing: 0.035em; }

h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.25;
  color: var(--bw-white);
}

h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.03em;
  line-height: 1.3;
  color: var(--bw-white);
}

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--bw-cyan);
  opacity: 0.85;
  display: inline-block;
  margin-bottom: var(--space-md);
}

.lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--bw-grey-100);
}

.muted { color: var(--bw-grey-200); }
.accent { color: var(--bw-cyan); }
.green-accent { color: var(--bw-green); }

strong { color: var(--bw-white); font-weight: 600; }

/* LAYOUT */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

section {
  padding: var(--space-4xl) 0;
}
section.tight { padding: var(--space-3xl) 0; }

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 30, 43, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: var(--border-subtle);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bw-white);
}
.nav-brand img {
  height: 36px;
  width: auto;
}
.nav-brand .brand-mark { color: var(--bw-white); }
.nav-brand .brand-mark .accent-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--bw-cyan);
  margin-left: 4px;
  vertical-align: middle;
}

.nav-toggle { display: none; }
.nav-toggle-btn {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bw-cyan);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(31, 206, 216, 0.3);
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bw-grey-100);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover { color: var(--bw-cyan); }
.nav-links a.active {
  color: var(--bw-cyan);
  border-bottom-color: var(--bw-cyan);
}
.nav-links .nav-cta {
  background: var(--bw-cyan);
  color: var(--bw-midnight);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border-bottom: none;
  transition: background 0.15s ease;
}
.nav-links .nav-cta:hover {
  background: var(--bw-cyan-glow);
  color: var(--bw-midnight);
}

/* HERO — atmospheric, wordmark-led */
.hero {
  position: relative;
  padding: var(--space-4xl) 0 calc(var(--space-4xl) + 80px);
  background:
    radial-gradient(ellipse at 70% 30%, rgba(31, 206, 216, 0.12), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(31, 206, 216, 0.06), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(90, 182, 157, 0.04), transparent 55%),
    linear-gradient(180deg, #0A2535 0%, #081E2B 60%, #061824 100%);
  overflow: hidden;
  min-height: 560px;
}
/* very subtle grid texture, restricted to lower-left for depth */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--bw-trace-dim) 1px, transparent 1px),
    linear-gradient(0deg, var(--bw-trace-dim) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.18;
  mask-image: radial-gradient(ellipse at 5% 95%, black 0%, transparent 55%);
  -webkit-mask-image: radial-gradient(ellipse at 5% 95%, black 0%, transparent 55%);
  pointer-events: none;
}
/* circuit-trace banner sweeping across the lower half */
.hero-circuit {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: auto;
  pointer-events: none;
  opacity: 0.28;
  mix-blend-mode: screen;
  mask-image: linear-gradient(90deg, transparent 0%, black 30%, black 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 30%, black 100%);
  z-index: 1;
}
/* wireframe orb — abstract data visualisation feel */
.hero-orb {
  position: absolute;
  top: 50%;
  right: -40px;
  transform: translateY(-50%);
  width: clamp(360px, 40vw, 560px);
  height: clamp(360px, 40vw, 560px);
  pointer-events: none;
  opacity: 0.85;
  z-index: 1;
  filter: drop-shadow(0 0 60px rgba(31, 206, 216, 0.25));
}
.hero .container {
  position: relative;
  z-index: 2;
  max-width: var(--container);
}
.hero-stage {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.hero-stage .eyebrow,
.hero-stage .btn-row {
  justify-content: center;
}
.hero-stage .btn-row {
  display: flex;
  justify-content: center;
}
.hero-stage .lede {
  margin-left: auto;
  margin-right: auto;
}
.hero-stage h1 {
  margin-bottom: var(--space-lg);
  font-size: clamp(44px, 7.5vw, 92px);
  line-height: 1.0;
  letter-spacing: 0.02em;
}
.hero-stage .lede {
  margin-bottom: var(--space-xl);
  max-width: 60ch;
  font-size: clamp(17px, 1.6vw, 20px);
}
.hero-sub {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--bw-cyan);
  margin-bottom: var(--space-md);
  letter-spacing: 0.01em;
}
/* faint motif on home hero only — circuit banner at very low opacity */
.hero .hero-circuit {
  opacity: 0.10;
  mask-image: linear-gradient(90deg, transparent 0%, black 20%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 20%, black 80%, transparent 100%);
}
@media (max-width: 880px) {
  .hero { min-height: 480px; padding-bottom: calc(var(--space-3xl) + 40px); }
  .hero-orb {
    right: -120px;
    top: 0;
    transform: none;
    width: 320px;
    height: 320px;
    opacity: 0.5;
  }
  .hero-stage h1 { font-size: clamp(36px, 9vw, 56px); }
}

/* PAGE HEADER (non-home) — atmospheric, lighter than hero */
.page-header {
  position: relative;
  padding: var(--space-4xl) 0 calc(var(--space-3xl) + 40px);
  background:
    radial-gradient(ellipse at 75% 40%, rgba(31, 206, 216, 0.10), transparent 60%),
    radial-gradient(ellipse at 5% 80%, rgba(31, 206, 216, 0.04), transparent 50%),
    linear-gradient(180deg, #0A2535 0%, #081E2B 100%);
  border-bottom: var(--border-subtle);
  overflow: hidden;
  min-height: 360px;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--bw-trace-dim) 1px, transparent 1px),
    linear-gradient(0deg, var(--bw-trace-dim) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.12;
  mask-image: radial-gradient(ellipse at 5% 95%, black 0%, transparent 55%);
  -webkit-mask-image: radial-gradient(ellipse at 5% 95%, black 0%, transparent 55%);
  pointer-events: none;
}
.page-header .hero-circuit {
  opacity: 0.18;
}
.page-header .container {
  position: relative;
  z-index: 2;
}
.page-header h1 { margin-bottom: var(--space-md); }
.page-header .lede { max-width: 64ch; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  min-height: 44px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--bw-cyan);
  color: var(--bw-midnight);
  box-shadow: 0 0 0 0 rgba(31, 206, 216, 0);
}
.btn-primary:hover {
  background: var(--bw-cyan-glow);
  box-shadow: 0 0 24px rgba(31, 206, 216, 0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--bw-cyan);
  border: 1px solid var(--bw-cyan);
}
.btn-secondary:hover {
  background: rgba(31, 206, 216, 0.08);
}
.btn-row { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* CARDS */
.card {
  background: var(--bw-deep-navy);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: rgba(31, 206, 216, 0.3);
}
.card .eyebrow { margin-bottom: var(--space-sm); }
.card h3 { margin-bottom: var(--space-md); }
.card p { color: var(--bw-grey-100); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}
.card-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.card-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 880px) {
  .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
}

/* SECTION HEADER */
.section-head {
  margin-bottom: var(--space-2xl);
  max-width: 64ch;
}
.section-head h2 { margin-bottom: var(--space-md); }
.section-head .lede { color: var(--bw-grey-100); }

/* DIVIDER STRIP */
.strip {
  background: var(--bw-deep-navy);
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
}
.strip h2 {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--bw-cyan);
  margin-bottom: var(--space-md);
}
.strip p { color: var(--bw-grey-100); max-width: 72ch; }

/* PILLAR PANEL */
.pillar {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-2xl) 0;
  border-bottom: var(--border-subtle);
}
.pillar:last-child { border-bottom: none; }
.pillar-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--bw-cyan);
  text-transform: uppercase;
  padding-top: 6px;
}
.pillar-num span {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--bw-cyan);
  line-height: 1;
  margin-top: 6px;
}
.pillar-body h3 { margin-bottom: var(--space-md); }
.pillar-body p { color: var(--bw-grey-100); }
@media (max-width: 700px) {
  .pillar { grid-template-columns: 1fr; gap: var(--space-md); }
  .pillar-num { display: flex; align-items: baseline; gap: var(--space-md); }
  .pillar-num span { font-size: 36px; margin-top: 0; }
}

/* RECEIVE LIST (services 'what clients receive') */
.receive-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.receive-list li {
  background: var(--bw-deep-navy);
  border-left: 2px solid var(--bw-cyan);
  padding: var(--space-md) var(--space-lg);
  color: var(--bw-grey-100);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
@media (max-width: 700px) {
  .receive-list { grid-template-columns: 1fr; }
}

/* CALLOUT */
.callout {
  background: linear-gradient(135deg, rgba(22, 64, 73, 0.6), rgba(12, 45, 59, 0.6));
  border: var(--border-accent);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  margin: var(--space-2xl) 0;
  text-align: center;
}
.callout p {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--bw-cyan);
  margin: 0;
}

/* INSIGHTS LIST */
.insights-list { display: flex; flex-direction: column; gap: var(--space-md); }
.insight-item {
  background: var(--bw-deep-navy);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-xl);
  align-items: start;
  transition: border-color 0.15s ease;
}
.insight-item:hover { border-color: rgba(31, 206, 216, 0.3); }
.insight-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bw-grey-200);
}
.insight-meta .date { display: block; color: var(--bw-cyan); margin-bottom: 4px; }
.insight-body h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  margin-bottom: var(--space-sm);
}
.insight-body p { color: var(--bw-grey-100); margin: 0; }
@media (max-width: 700px) {
  .insight-item { grid-template-columns: 1fr; gap: var(--space-md); }
}

/* WHO WE SERVE */
.serve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}
@media (max-width: 880px) {
  .serve-grid { grid-template-columns: 1fr; }
}
.serve-grid h3 { margin-bottom: var(--space-md); }
.serve-grid ul {
  list-style: none;
  padding: 0;
}
.serve-grid li {
  padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
  position: relative;
  color: var(--bw-grey-100);
  border-bottom: 1px solid rgba(31, 206, 216, 0.08);
}
.serve-grid li:last-child { border-bottom: none; }
.serve-grid li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 1px;
  background: var(--bw-cyan);
}

/* NUMACORE STRIP */
.numacore-strip {
  background:
    radial-gradient(ellipse at 30% 50%, rgba(31, 206, 216, 0.05), transparent 60%),
    var(--bw-deep-navy);
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
}
.numacore-strip .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2xl);
  align-items: center;
}
.numacore-strip h3 {
  color: var(--bw-cyan);
  margin-bottom: var(--space-sm);
}
.numacore-strip p { color: var(--bw-grey-100); margin: 0; max-width: 72ch; }
@media (max-width: 880px) {
  .numacore-strip .container { grid-template-columns: 1fr; }
}

/* CTA SECTION */
.cta-section {
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(31, 206, 216, 0.08), transparent 60%),
    var(--bw-midnight);
  border-top: var(--border-subtle);
}
.cta-section h2 { margin-bottom: var(--space-md); }
.cta-section .lede { max-width: 56ch; margin: 0 auto var(--space-xl); }
.cta-section .btn-row { justify-content: center; }

/* FOOTER */
footer {
  background: var(--bw-midnight);
  border-top: var(--border-subtle);
  padding: var(--space-2xl) 0 var(--space-xl);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}
.footer-brand .nav-brand { margin-bottom: var(--space-md); }
.footer-brand p { color: var(--bw-grey-200); font-size: 14px; max-width: 40ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bw-cyan);
  opacity: 0.85;
  margin-bottom: var(--space-md);
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { padding: 4px 0; }
.footer-col a {
  color: var(--bw-grey-100);
  font-size: 14px;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--bw-cyan); }
.footer-base {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg) 0;
  border-top: var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bw-grey-300);
}
@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-xl); }
}

/* RESPONSIVE NAV */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .hero-mark img { max-width: 220px; }
  .nav-toggle-btn { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bw-midnight);
    border-bottom: var(--border-subtle);
    padding: var(--space-md) var(--space-lg);
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links li {
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(31, 206, 216, 0.08);
  }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: var(--space-sm) 0; }
  .nav-links .nav-cta { text-align: center; padding: var(--space-md); }
  .nav-inner { position: relative; }
}

/* ABOUT PAGE — FOUNDER PANEL */
.founder-panel {
  background: var(--bw-deep-navy);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.founder-panel .founder-mark {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--bw-midnight);
  border: 1px solid rgba(31, 206, 216, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--bw-cyan);
  letter-spacing: 0.05em;
}
.founder-panel h3 { margin-bottom: var(--space-xs); }
.founder-panel .role {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bw-cyan);
  margin-bottom: var(--space-md);
}
.founder-panel p { color: var(--bw-grey-100); margin: 0; }
@media (max-width: 700px) {
  .founder-panel { grid-template-columns: 1fr; text-align: center; gap: var(--space-md); }
  .founder-panel .founder-mark { margin: 0 auto; }
}

/* PROSE BLOCK */
.prose h2 { margin-top: var(--space-2xl); margin-bottom: var(--space-md); color: var(--bw-cyan); font-size: clamp(22px, 2.5vw, 28px); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: var(--space-xl); margin-bottom: var(--space-md); }
.prose p { color: var(--bw-grey-100); }

/* ARTICLE PAGES — long-form reading */
.article-header {
  position: relative;
  padding: var(--space-3xl) 0 var(--space-xl);
  background:
    radial-gradient(ellipse at 70% 30%, rgba(31, 206, 216, 0.08), transparent 60%),
    var(--bw-midnight);
  border-bottom: var(--border-subtle);
}
.article-header .container-narrow { position: relative; z-index: 2; }
.article-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bw-cyan);
  margin-bottom: var(--space-xl);
  padding: var(--space-xs) 0;
  transition: color 0.15s ease;
}
.article-back:hover { color: var(--bw-cyan-glow); }
.article-header h1 {
  font-size: clamp(26px, 4.5vw, 52px);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bw-grey-200);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(31, 206, 216, 0.12);
}
.article-meta span.date { color: var(--bw-cyan); }
.article-body {
  padding: var(--space-3xl) 0 var(--space-3xl);
}
.article-body .container-narrow {
  max-width: 720px;
}
.article-body p,
.article-body ul,
.article-body ol {
  font-size: 17px;
  line-height: 1.7;
  color: var(--bw-grey-100);
  margin-bottom: var(--space-lg);
}
.article-body p:last-child { margin-bottom: 0; }
.article-body h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 28px);
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--bw-cyan);
  margin: var(--space-2xl) 0 var(--space-md);
  line-height: 1.25;
}
.article-body h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--bw-white);
  margin: var(--space-xl) 0 var(--space-sm);
}
.article-body em { color: var(--bw-aqua-light); font-style: italic; }
.article-body strong { color: var(--bw-white); font-weight: 600; }
.article-body strong em,
.article-body em strong {
  color: var(--bw-cyan);
  font-style: italic;
  font-weight: 600;
}
.article-body ul,
.article-body ol {
  padding-left: var(--space-xl);
}
.article-body li {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xs);
}
.article-body li::marker { color: var(--bw-cyan); }
.article-body blockquote,
.article-body .pullquote {
  border-left: 2px solid var(--bw-cyan);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xl) 0;
  background: rgba(31, 206, 216, 0.04);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 26px);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.25;
  color: var(--bw-cyan);
}
.article-body hr {
  border: none;
  height: 1px;
  background: rgba(31, 206, 216, 0.15);
  margin: var(--space-2xl) 0;
}
.article-body a {
  color: var(--bw-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(31, 206, 216, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease;
}
.article-body a:hover { text-decoration-color: var(--bw-cyan); }

.article-foot {
  border-top: var(--border-subtle);
  padding: var(--space-2xl) 0;
  text-align: center;
  background: var(--bw-deep-navy);
}
.article-foot p { color: var(--bw-grey-200); margin-bottom: var(--space-md); font-size: 14px; }
.article-foot .btn-row { justify-content: center; }

/* INSIGHTS LIST — make cards clickable */
a.insight-item {
  text-decoration: none;
  color: inherit;
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: var(--space-xl);
  align-items: start;
}
a.insight-item:hover h3 { color: var(--bw-cyan); }
a.insight-item .insight-arrow {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--bw-cyan);
  letter-spacing: 0.1em;
  opacity: 0.6;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
a.insight-item:hover .insight-arrow {
  opacity: 1;
  transform: translateX(4px);
}
a.insight-item .insight-body h3 {
  transition: color 0.15s ease;
}
@media (max-width: 700px) {
  a.insight-item { grid-template-columns: 1fr; gap: var(--space-md); }
  a.insight-item .insight-arrow { display: none; }
}