/* ============================================================
   HumanVibeGuide — Global Stylesheet
   Design System: Conscious Modernism
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400;1,600;1,700&family=Inter:wght@300;400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --cashmere:    #F4EFEA;
  --charcoal:    #121417;
  --terracotta:  #D86A48;
  --sage:        #7A8B82;
  --sage-light:  rgba(122, 139, 130, 0.15);
  --sage-border: rgba(122, 139, 130, 0.22);

  --bg:          var(--cashmere);
  --bg-alt:      #EDE8E2;
  --surface:     rgba(244, 239, 234, 0.84);
  --text:        var(--charcoal);
  --text-muted:  var(--sage);
  --text-inv:    var(--cashmere);
  --accent:      var(--terracotta);
  --border:      var(--sage-border);
  --overlay:     rgba(18, 20, 23, 0.72);

  --font-serif:  'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;

  --nav-h:       72px;
  --container:   1400px;
  --reading-w:   720px;
  --gap:         1.25rem;

  --ease-out:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:    300ms;
  --dur-base:    600ms;
  --dur-slow:    800ms;

  --shadow-sm:   0 1px 3px rgba(18, 20, 23, 0.06), 0 1px 2px rgba(18, 20, 23, 0.04);
  --shadow-md:   0 4px 16px rgba(18, 20, 23, 0.08);
  --shadow-lg:   0 12px 40px rgba(18, 20, 23, 0.12);
}

[data-theme="dark"] {
  --bg:        #121417;
  --bg-alt:    #1A1D21;
  --surface:   rgba(18, 20, 23, 0.84);
  --text:      #F4EFEA;
  --text-muted:#7A8B82;
  --text-inv:  #121417;
  --border:    rgba(122, 139, 130, 0.18);
  --overlay:   rgba(18, 20, 23, 0.82);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.7;
  transition: background-color var(--dur-base) var(--ease-smooth),
              color var(--dur-base) var(--ease-smooth);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Utilities ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 2rem;
}

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

.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}

.tag--accent {
  color: var(--accent);
  border-color: rgba(216, 106, 72, 0.35);
}

/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background-color var(--dur-fast) var(--ease-smooth),
              box-shadow var(--dur-fast);
}

.site-nav.scrolled {
  background-color: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  transition: opacity var(--dur-fast);
}
.nav-logo:hover { opacity: 0.75; }

.logo-accent {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.logo-full {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.7;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.65;
  position: relative;
  transition: opacity var(--dur-base) var(--ease-smooth);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--dur-base) var(--ease-smooth);
}
.nav-links a:hover,
.nav-links a.active { opacity: 1; }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dark mode toggle */
.dark-toggle {
  width: 44px; height: 24px;
  border-radius: 12px;
  background: var(--sage-light);
  border: 1px solid var(--border);
  position: relative;
  transition: background var(--dur-fast), border-color var(--dur-fast);
  flex-shrink: 0;
}
.dark-toggle::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--dur-fast) var(--ease-smooth),
              background var(--dur-fast);
}
[data-theme="dark"] .dark-toggle::before {
  transform: translateX(20px);
  background: var(--accent);
}
.dark-toggle:hover { border-color: var(--accent); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--dur-fast), opacity var(--dur-fast);
}

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 1.25rem;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text);
  opacity: 0.8;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.nav-drawer a:last-child { border-bottom: none; }

/* ── Film Grain Overlay ─────────────────────────────────────── */
.img-wrap {
  position: relative;
  overflow: hidden;
}
.img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23g)' opacity='0.1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.55;
  z-index: 2;
}
.img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease-smooth),
              opacity var(--dur-base) var(--ease-smooth);
}

/* ── Glassmorphism Surface ──────────────────────────────────── */
.glass {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
}

/* ── Hero Section ───────────────────────────────────────────── */
.hero {
  height: 86vh;
  min-height: 560px;
  max-height: 900px;
  display: grid;
  grid-template-columns: 3fr 2fr;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem clamp(1.5rem, 4vw, 3.5rem) 4rem 2rem;
  max-width: 720px;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 2rem;
}
.hero-kicker-line {
  display: block;
  width: 32px; height: 1px;
  background: var(--accent);
}
.hero-kicker span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.75rem;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.7;
  max-width: 540px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.875rem 1.75rem;
  border-radius: 2px;
  transition: background var(--dur-fast), transform var(--dur-fast), opacity var(--dur-fast);
}
.btn-primary:hover {
  background: #c35a38;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  opacity: 0.65;
  transition: opacity var(--dur-base), border-color var(--dur-fast);
}
.btn-ghost:hover { opacity: 1; border-color: var(--accent); color: var(--accent); }

.hero-image {
  position: relative;
  overflow: hidden;
}
.hero-image .img-wrap {
  width: 100%;
  height: 100%;
}

/* ── Section: Home Featured ────────────────────────────────── */
.section-featured {
  padding: 7rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.section-eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-link {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.6;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  white-space: nowrap;
  transition: opacity var(--dur-base), color var(--dur-fast), border-color var(--dur-fast);
  flex-shrink: 0;
}
.section-link:hover { opacity: 1; color: var(--accent); border-color: var(--accent); }

/* ── Home Featured Grid ─────────────────────────────────────── */
.featured-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  grid-template-rows: 300px 300px;
  gap: var(--gap);
}

.feat-card { position: relative; overflow: hidden; display: block; cursor: pointer; }
/* Desktop placement — overridden at ≤1024px and ≤768px below */
.featured-grid .feat-card:nth-child(1) { grid-column: 1; grid-row: 1 / 3; }
.featured-grid .feat-card:nth-child(2) { grid-column: 2; grid-row: 1 / 2; }
.featured-grid .feat-card:nth-child(3) { grid-column: 2; grid-row: 2 / 3; }

.feat-card .img-wrap { height: 100%; }
.feat-card:hover .img-wrap img { transform: scale(1.04); }

.feat-card-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.75rem 1.5rem 1.5rem;
  background: linear-gradient(to top, rgba(18,20,23,0.88) 0%, rgba(18,20,23,0.3) 60%, transparent 100%);
  z-index: 3;
  transition: opacity var(--dur-base);
}
.feat-card:nth-child(1) .feat-card-overlay { padding: 2.5rem 2rem 2rem; }

.card-tag {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.625rem;
}

.card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: #F4EFEA;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.feat-card:nth-child(1) .card-title { font-size: clamp(1.375rem, 2.2vw, 1.875rem); }
.feat-card:nth-child(2) .card-title,
.feat-card:nth-child(3) .card-title { font-size: clamp(1.125rem, 1.6vw, 1.375rem); }

.card-meta {
  margin-top: 0.625rem;
  font-size: 0.6875rem;
  font-weight: 400;
  color: rgba(244, 239, 234, 0.6);
  letter-spacing: 0.03em;
}

/* ── Manifesto Band ─────────────────────────────────────────── */
.manifesto-band {
  padding: 6rem 0;
  background: var(--charcoal);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .manifesto-band { background: #0E1013; }

.manifesto-band::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(ellipse at center, rgba(216,106,72,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.manifesto-inner {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
  padding-inline: 2rem;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-style: italic;
  font-weight: 400;
  color: var(--cashmere);
  line-height: 1.4;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.manifesto-quote span { color: var(--terracotta); }

.manifesto-attr {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
}

/* ── Philosophy Teaser (Home) ───────────────────────────────── */
.philosophy-teaser {
  padding: 7rem 0;
}

.phil-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.phil-image {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  position: relative;
}
.phil-image .img-wrap { height: 100%; }

.phil-content { padding: 2rem 0; }

.phil-eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.phil-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.875rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.phil-body {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.75;
  margin-bottom: 2rem;
}

.phil-pillars {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.pillar-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.pillar-num {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  width: 28px;
  padding-top: 3px;
  flex-shrink: 0;
}
.pillar-text {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text);
  opacity: 0.75;
  line-height: 1.6;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* Communication cards grid — desktop 3-col, mobile single-col via MQ */
.comm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo-accent { font-size: 1.5rem; }
.footer-brand .logo-full { font-size: 0.875rem; }
.footer-tagline {
  margin-top: 1rem;
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text);
  opacity: 0.6;
  max-width: 340px;
}

.footer-col-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-links a {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text);
  opacity: 0.65;
  transition: opacity var(--dur-base), color var(--dur-fast);
}
.footer-links a:hover { opacity: 1; color: var(--accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text);
  opacity: 0.45;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ── Articles Grid Page ─────────────────────────────────────── */
.articles-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 3.5rem;
}

.articles-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 800px;
  margin-bottom: 1.25rem;
}
.articles-hero h1 em { font-style: italic; color: var(--accent); }

.articles-hero .sub {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--text);
  opacity: 0.65;
  max-width: 580px;
  line-height: 1.75;
}

/* The Broken Grid */
.articles-section { padding-bottom: 8rem; }

.broken-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 300px 300px 300px 300px 300px;
  gap: var(--gap);
}

/* Grid placement — intentional asymmetric broken layout (desktop only) */
.broken-grid .ag-card:nth-child(1) { grid-column: 1 / 8;   grid-row: 1 / 3; }
.broken-grid .ag-card:nth-child(2) { grid-column: 9 / 13;  grid-row: 1 / 2; }
.broken-grid .ag-card:nth-child(3) { grid-column: 9 / 13;  grid-row: 2 / 4; }
.broken-grid .ag-card:nth-child(4) { grid-column: 1 / 5;   grid-row: 3 / 4; }
.broken-grid .ag-card:nth-child(5) { grid-column: 1 / 7;   grid-row: 4 / 6; }
.broken-grid .ag-card:nth-child(6) { grid-column: 8 / 13;  grid-row: 4 / 6; }

/* Article card base */
.ag-card {
  position: relative;
  overflow: hidden;
  display: block;
  cursor: pointer;
  background: var(--bg-alt);
}
.ag-card .img-wrap { height: 100%; }
.ag-card:hover .img-wrap img { transform: scale(1.04); }

/* Glassmorphic text overlay */
.ag-overlay {
  position: absolute;
  z-index: 3;
  transition: opacity var(--dur-base);
}

/* Large hero card (1st) — bottom overlay full width */
.ag-card:nth-child(1) .ag-overlay {
  bottom: 0; left: 0; right: 0;
  padding: 3rem 2.5rem 2.5rem;
  background: linear-gradient(to top, rgba(18,20,23,0.92) 0%, rgba(18,20,23,0.5) 55%, transparent 100%);
}

/* Medium cards — bottom overlay */
.ag-card:not(:nth-child(1)) .ag-overlay {
  bottom: 0; left: 0; right: 0;
  padding: 2rem 1.5rem 1.5rem;
  background: linear-gradient(to top, rgba(18,20,23,0.9) 0%, rgba(18,20,23,0.4) 60%, transparent 100%);
}

/* Glass label on 1st card, positioned mid-left */
.ag-glass-tag {
  position: absolute;
  top: 2rem; left: 2rem;
  z-index: 4;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border-radius: 2px;
}

.ag-card-tag {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.ag-card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: #F4EFEA;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.ag-card:nth-child(1) .ag-card-title { font-size: clamp(1.5rem, 2.5vw, 2.125rem); }
.ag-card:nth-child(3) .ag-card-title { font-size: clamp(1.125rem, 1.8vw, 1.5rem); }
.ag-card:not(:nth-child(1)):not(:nth-child(3)) .ag-card-title { font-size: clamp(1rem, 1.5vw, 1.25rem); }

.ag-card-meta {
  margin-top: 0.5rem;
  font-size: 0.6875rem;
  color: rgba(244,239,234,0.55);
  letter-spacing: 0.02em;
}

.ag-card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.875rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.ag-card:hover .ag-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ── Philosophy Page ────────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 5rem;
}

.page-hero-kicker {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: block;
}

.page-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
  max-width: 950px;
}
.page-hero-title em { font-style: italic; color: var(--accent); }

.page-hero-sub {
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.65;
  max-width: 680px;
}

/* Philosophy sections */
.phil-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}
.phil-section:last-of-type { border-bottom: none; }

.phil-section-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 5rem;
  align-items: start;
}

.phil-section-label {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}

.phil-section-num {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.phil-section-heading {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.phil-rich h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.875rem;
  margin-top: 2rem;
  color: var(--text);
}
.phil-rich h3:first-child { margin-top: 0; }

.phil-rich p {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.78;
  margin-bottom: 1.25rem;
}

.phil-pullquote {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border-left: 2px solid var(--accent);
  background: var(--bg-alt);
}
[data-theme="dark"] .phil-pullquote { background: rgba(255,255,255,0.03); }

.phil-pullquote p {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.55;
  opacity: 0.9 !important;
  margin: 0;
}

.framework-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.framework-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
[data-theme="dark"] .framework-card { background: rgba(255,255,255,0.025); }
.framework-card:hover { border-color: rgba(216,106,72,0.4); box-shadow: var(--shadow-sm); }

.framework-card-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(216,106,72,0.12);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.framework-card-icon svg { color: var(--accent); }

.framework-card h4 {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.framework-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text);
  opacity: 0.65;
}

/* ── Article Reading Page ───────────────────────────────────── */
.article-hero {
  height: 70vh;
  min-height: 480px;
  position: relative;
  overflow: hidden;
  margin-top: var(--nav-h);
}
.article-hero .img-wrap { height: 100%; }
.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(18,20,23,0.25) 0%, rgba(18,20,23,0.55) 100%);
  z-index: 2;
}
.article-hero-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 3rem 0;
  z-index: 3;
}

.article-kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.article-tag {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--cashmere);
  background: var(--accent);
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
}

.article-reading-time {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(244,239,234,0.65);
  letter-spacing: 0.04em;
}

.article-title-hero {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: #F4EFEA;
  max-width: 820px;
}

.article-body-wrap {
  max-width: var(--reading-w);
  margin: 0 auto;
  padding: 5rem 2rem 8rem;
}

/* HVG Note box */
.hvg-note {
  background: rgba(216, 106, 72, 0.07);
  border: 1px solid rgba(216, 106, 72, 0.2);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.5rem;
  margin-bottom: 3rem;
  border-radius: 0 2px 2px 0;
}
[data-theme="dark"] .hvg-note { background: rgba(216,106,72,0.06); }
.hvg-note-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}
.hvg-note p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.8;
  font-style: italic;
  margin: 0;
}

/* Article body typography */
.article-body h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 3.5rem 0 1rem;
  color: var(--text);
}
.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.875rem;
  color: var(--text);
}

.article-body h4 {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 2rem 0 0.75rem;
}

.article-body p {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.82;
  margin-bottom: 1.5rem;
}

.article-body p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 0.75;
  float: left;
  margin: 0.125em 0.1em 0 0;
  color: var(--accent);
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

/* Back nav and article footer */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.55;
  margin-bottom: 3rem;
  transition: opacity var(--dur-base), color var(--dur-fast);
}
.article-back:hover { opacity: 1; color: var(--accent); }

.related-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: 2.5rem;
}

.related-card {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}
.related-card .img-wrap { height: 100%; }
.related-card:hover .img-wrap img { transform: scale(1.04); }
.related-card .ag-overlay { padding: 1.25rem; }
.related-card .ag-card-title { font-size: 0.9375rem; }

/* ── Responsive ─────────────────────────────────────────────── */
/* ── 1280px ────────────────────────────────────────────────── */
@media (max-width: 1280px) {
  .broken-grid   { grid-template-rows: 260px 260px 260px 260px 260px; }
  .featured-grid { grid-template-rows: 300px 280px; }
}

/* ── 1024px — Tablet landscape ─────────────────────────────── */
@media (max-width: 1024px) {
  .container { padding-inline: 1.5rem; }

  .hero { grid-template-columns: 1fr; height: auto; min-height: auto; max-height: none; }
  .hero-content { padding: 4rem 0; max-width: 100%; }
  .hero-image   { height: 55vw; min-height: 280px; }

  /* Scope nth-child rules to their parent grid to stop bleed to mobile */
  .featured-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 280px 280px; }
  .featured-grid .feat-card:nth-child(1) { grid-column: 1; grid-row: 1 / 3; }
  .featured-grid .feat-card:nth-child(2) { grid-column: 2; grid-row: 1 / 2; }
  .featured-grid .feat-card:nth-child(3) { grid-column: 2; grid-row: 2 / 3; }

  .broken-grid { grid-template-columns: repeat(6, 1fr); grid-template-rows: 280px 280px 280px 280px; }
  .broken-grid .ag-card:nth-child(1) { grid-column: 1 / 7; grid-row: 1 / 2; }
  .broken-grid .ag-card:nth-child(2) { grid-column: 1 / 4; grid-row: 2 / 3; }
  .broken-grid .ag-card:nth-child(3) { grid-column: 4 / 7; grid-row: 2 / 3; }
  .broken-grid .ag-card:nth-child(4) { grid-column: 1 / 4; grid-row: 3 / 4; }
  .broken-grid .ag-card:nth-child(5) { grid-column: 4 / 7; grid-row: 3 / 4; }
  .broken-grid .ag-card:nth-child(6) { grid-column: 1 / 7; grid-row: 4 / 5; }

  .phil-section-inner { grid-template-columns: 1fr; gap: 2rem; }
  .phil-section-label { position: static; }
  .phil-grid  { grid-template-columns: 1fr; }
  .phil-image { aspect-ratio: 16 / 9; }
  .framework-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner > *:first-child { grid-column: 1 / -1; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── 768px — Mobile ─────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .container { padding-inline: 1.25rem; }

  /* Nav: always opaque so controls are never lost against the hero photo */
  .site-nav {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
  }
  .nav-links     { display: none; }
  .nav-hamburger { display: flex; }
  .nav-hamburger span { background: var(--text); } /* visible on any bg */
  .nav-controls  { flex-shrink: 0; }              /* never squeezed out */
  .logo-full     { display: none; }               /* keeps logo compact */

  /* Hero: full-viewport — grid overlap technique (image + content in same cell) */
  .hero {
    height: 100vh;       /* fallback for older browsers */
    height: 100svh;      /* preferred: excludes browser UI */
    min-height: 520px;
    max-height: none;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    padding-top: 0;
    overflow: hidden;
  }
  /* Place image and content in the exact same grid cell so they overlap */
  .hero-image,
  .hero-content { grid-column: 1; grid-row: 1; }

  .hero-image {
    position: relative;
    width: 100%;
    height: auto;       /* override 1024px "height: 55vw" */
    min-height: unset;  /* override 1024px "min-height: 280px" */
    align-self: stretch;
    z-index: 0;
    overflow: hidden;
  }
  .hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
      to bottom,
      rgba(18,20,23,0.10) 0%,
      rgba(18,20,23,0.50) 45%,
      rgba(18,20,23,0.88) 100%
    );
  }
  .hero-content {
    position: relative;
    z-index: 2;
    align-self: end;
    padding: 0 1.25rem 2.5rem;
    max-width: 100%;
    justify-content: flex-end;
  }
  .hero-kicker span  { color: var(--terracotta); }
  .hero-kicker-line  { background: var(--terracotta); }
  .hero-headline     { color: #F4EFEA; margin-bottom: 0.875rem; }
  .hero-headline em  { color: var(--terracotta); }
  .hero-sub          { color: rgba(244,239,234,0.78); opacity: 1; margin-bottom: 1.375rem; }
  .hero-kicker       { margin-bottom: 0.875rem; }
  .btn-ghost         { color: rgba(244,239,234,0.75); border-bottom-color: rgba(244,239,234,0.35); }
  .btn-ghost:hover   { color: var(--terracotta); border-bottom-color: var(--terracotta); }

  /* Grids: flat single-column stacks.
     Use `.parent .child:nth-child()` selectors — same specificity (0,2,0)
     as the bare `.child:nth-child()` base rules but LATER in source order,
     so cascade wins without needing !important. */
  .featured-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .featured-grid .feat-card:nth-child(1),
  .featured-grid .feat-card:nth-child(2),
  .featured-grid .feat-card:nth-child(3) {
    grid-column: 1; grid-row: auto;
    height: 280px; aspect-ratio: unset;
  }
  .featured-grid .feat-card:nth-child(1) { height: 340px; }

  .broken-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .broken-grid .ag-card:nth-child(1),
  .broken-grid .ag-card:nth-child(2),
  .broken-grid .ag-card:nth-child(3),
  .broken-grid .ag-card:nth-child(4),
  .broken-grid .ag-card:nth-child(5),
  .broken-grid .ag-card:nth-child(6) {
    grid-column: 1; grid-row: auto;
    height: 280px; min-height: unset; aspect-ratio: unset;
  }
  .broken-grid .ag-card:nth-child(1) { height: 340px; }

  .comm-grid        { grid-template-columns: 1fr !important; }
  .framework-cards { grid-template-columns: 1fr; }
  .footer-inner    { grid-template-columns: 1fr; gap: 2rem; }
  .footer-inner > *:first-child { grid-column: auto; }
  .related-grid    { grid-template-columns: 1fr; }

  .page-hero       { padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: 2.5rem; }
  .articles-hero   { padding-top: calc(var(--nav-h) + 2rem); }
  .article-title-hero { font-size: clamp(1.5rem, 5vw, 2.25rem); }
  .article-hero    { height: 52vh; min-height: 320px; }
  .article-body-wrap { padding: 2.5rem 0 4rem; }
  .section-featured  { padding: 3.5rem 0; }
  .manifesto-band    { padding: 3rem 0; }
  .philosophy-teaser { padding: 3rem 0; }
}

/* ── 480px — Small phones ──────────────────────────────────── */
@media (max-width: 480px) {
  .hero-headline { font-size: clamp(2.375rem, 8.5vw, 3rem); }
  .hero-sub      { font-size: 0.9375rem; }
  .hero-actions  { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .footer-bottom  { flex-direction: column; text-align: center; }
}

/* ── Entrance Animations ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) forwards;
}
.fade-up.delay-1 { animation-delay: 0.1s; }
.fade-up.delay-2 { animation-delay: 0.2s; }
.fade-up.delay-3 { animation-delay: 0.3s; }
.fade-up.delay-4 { animation-delay: 0.4s; }

/* Observe-triggered reveals */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}