/* ==========================================================================
   Hector Cobo — Personal Site
   Editorial Executive Design System
   ========================================================================== */

:root {
  /* Color palette — refined navy + warm bronze */
  --color-ink: #0a1628;
  --color-ink-soft: #1a2a42;
  --color-paper: #faf8f3;
  --color-paper-warm: #f5f0e6;
  --color-bronze: #8a6d3b;
  --color-bronze-light: #b08d57;
  --color-rule: #d8d2c4;
  --color-text: #2a2a2a;
  --color-text-soft: #5a5a5a;
  --color-accent: #7a1f2b;

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-body: 'Lora', 'Source Serif Pro', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
  --space-9: 8rem;

  /* Layout */
  --max-width: 1280px;
  --content-width: 720px;
  --reading-width: 640px;

  /* Effects */
  --shadow-subtle: 0 1px 2px rgba(10, 22, 40, 0.04), 0 2px 8px rgba(10, 22, 40, 0.04);
  --shadow-card: 0 2px 4px rgba(10, 22, 40, 0.06), 0 8px 24px rgba(10, 22, 40, 0.08);
  --shadow-hover: 0 4px 8px rgba(10, 22, 40, 0.08), 0 16px 40px rgba(10, 22, 40, 0.12);
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-bronze);
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 500;
}

h4 {
  font-size: 1.375rem;
  font-weight: 500;
}

p {
  margin-bottom: 1.25em;
}

p:last-child {
  margin-bottom: 0;
}

.lede {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-soft);
  font-style: italic;
  font-weight: 400;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-3);
  display: block;
}

.eyebrow-divider {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-4);
}

.eyebrow-divider::before {
  content: '';
  width: 32px;
  height: 1px;
  background-color: var(--color-bronze);
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-reading {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

section {
  padding: var(--space-8) 0;
}

.section-tight {
  padding: var(--space-7) 0;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 248, 243, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-rule);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-brand-mark {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-bronze);
  border: 1px solid var(--color-bronze);
  padding: 2px 6px;
  border-radius: 2px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.nav-menu a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.01em;
  position: relative;
  padding: var(--space-1) 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background-color: var(--color-bronze);
  transition: width var(--transition-fast);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.lang-switch {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  border-left: 1px solid var(--color-rule);
  padding-left: var(--space-4);
}

.lang-switch a {
  color: var(--color-text-soft);
}

.lang-switch a.current {
  color: var(--color-ink);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  width: 40px;
  height: 40px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-ink);
  margin: 5px auto;
  transition: var(--transition-fast);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: var(--space-9) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(176, 141, 87, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-7);
  align-items: center;
  position: relative;
}

.hero-content {
  position: relative;
}

.hero-name {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  color: var(--color-ink);
}

.hero-name .surname {
  display: block;
  font-style: italic;
  font-weight: 400;
  color: var(--color-bronze);
}

.hero-tagline {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  line-height: 1.5;
  max-width: 520px;
}

.hero-tagline strong {
  color: var(--color-ink);
  font-weight: 700;
}

.hero-cta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.hero-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  background-color: var(--color-paper-warm);
  overflow: hidden;
}

.hero-portrait::before {
  content: '';
  position: absolute;
  top: -12px;
  right: -12px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-bronze);
  pointer-events: none;
  z-index: 0;
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  filter: contrast(1.02) saturate(0.95);
}

.hero-portrait-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-paper-warm) 0%, #ebe2cf 100%);
  color: var(--color-bronze);
  font-family: var(--font-display);
  font-size: 5rem;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.hero-meta {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-rule);
  flex-wrap: wrap;
}

.hero-meta-item {
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.hero-meta-item strong {
  display: block;
  font-size: 1.875rem;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-meta-item span {
  color: var(--color-text-soft);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--color-ink);
  background-color: var(--color-ink);
  color: var(--color-paper);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background-color: var(--color-ink-soft);
  color: var(--color-paper);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-ink);
}

.btn-outline:hover {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

.btn-bronze {
  background-color: var(--color-bronze);
  border-color: var(--color-bronze);
}

.btn-bronze:hover {
  background-color: var(--color-bronze-light);
  border-color: var(--color-bronze-light);
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.btn-arrow:hover::after {
  transform: translateX(3px);
}

/* ==========================================================================
   Section: Two-column dual positioning
   ========================================================================== */

.dual-positioning {
  background-color: var(--color-paper-warm);
  padding: var(--space-8) 0;
}

.dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: stretch;
}

.dual-card {
  background-color: var(--color-paper);
  padding: var(--space-6);
  border: 1px solid var(--color-rule);
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.dual-card:hover {
  border-color: var(--color-bronze);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.dual-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  color: var(--color-bronze);
}

.dual-card h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-3);
  font-weight: 500;
}

.dual-card p {
  color: var(--color-text-soft);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.dual-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ==========================================================================
   Metrics / Stats grid
   ========================================================================== */

.metrics {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.metrics::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(176, 141, 87, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.metrics-header {
  text-align: center;
  margin-bottom: var(--space-7);
  position: relative;
}

.metrics-header h2 {
  color: var(--color-paper);
}

.metrics-header .eyebrow-divider {
  color: var(--color-bronze-light);
  justify-content: center;
}

.metrics-header .eyebrow-divider::before,
.metrics-header .eyebrow-divider::after {
  content: '';
  width: 32px;
  height: 1px;
  background-color: var(--color-bronze-light);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  position: relative;
}

.metric {
  text-align: center;
  padding: var(--space-4) var(--space-3);
  border-left: 1px solid rgba(176, 141, 87, 0.3);
}

.metric:first-child {
  border-left: none;
}

.metric-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-bronze-light);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
}

.metric-label {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(250, 248, 243, 0.85);
  line-height: 1.5;
}

/* ==========================================================================
   Bio / About section
   ========================================================================== */

.bio-section {
  padding: var(--space-8) 0;
}

.bio-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-7);
}

.bio-aside {
  position: sticky;
  top: 100px;
  align-self: start;
}

.bio-aside h2 {
  font-size: 2.25rem;
  margin-bottom: var(--space-3);
}

.bio-content p {
  font-size: 1.125rem;
  line-height: 1.75;
}

.bio-content p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 400;
  float: left;
  line-height: 0.85;
  margin: 0.1em 0.1em 0 -0.05em;
  color: var(--color-bronze);
}

/* ==========================================================================
   Timeline / Track Record
   ========================================================================== */

.timeline-section {
  background-color: var(--color-paper-warm);
  padding: var(--space-8) 0;
}

.timeline {
  max-width: 880px;
  margin: var(--space-6) auto 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 140px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-rule);
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
  position: relative;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-period {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-bronze);
  letter-spacing: 0.04em;
  text-align: right;
  padding-top: 0.25em;
}

.timeline-period span {
  display: block;
  font-weight: 400;
  color: var(--color-text-soft);
  font-size: 0.75rem;
  margin-top: 2px;
}

.timeline-content {
  padding-left: var(--space-5);
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 0.65em;
  width: 9px;
  height: 9px;
  background-color: var(--color-paper-warm);
  border: 1.5px solid var(--color-bronze);
  border-radius: 50%;
}

.timeline-role {
  font-size: 1.375rem;
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--color-ink);
}

.timeline-org {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3);
  display: block;
}

.timeline-content p {
  color: var(--color-text-soft);
  font-size: 1rem;
}

.timeline-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.tag {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  background-color: rgba(138, 109, 59, 0.1);
  color: var(--color-bronze);
  border-radius: 2px;
}

/* ==========================================================================
   Achievement cards
   ========================================================================== */

.achievements {
  padding: var(--space-8) 0;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-rule);
  border: 1px solid var(--color-rule);
  margin-top: var(--space-6);
}

.achievement {
  background-color: var(--color-paper);
  padding: var(--space-5);
  transition: var(--transition);
}

.achievement:hover {
  background-color: var(--color-paper-warm);
}

.achievement-marker {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--color-bronze);
  line-height: 1;
  margin-bottom: var(--space-3);
  font-style: italic;
}

.achievement h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: -0.005em;
  color: var(--color-ink);
}

.achievement p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* ==========================================================================
   Insights / Articles
   ========================================================================== */

.insights-section {
  padding: var(--space-8) 0;
  background-color: var(--color-paper-warm);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.insight-card {
  background-color: var(--color-paper);
  padding: var(--space-5);
  border: 1px solid var(--color-rule);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  text-decoration: none;
}

.insight-card:hover {
  border-color: var(--color-bronze);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.insight-card-meta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-3);
}

.insight-card h3 {
  font-size: 1.375rem;
  margin-bottom: var(--space-3);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-ink);
  flex-grow: 1;
}

.insight-card p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  margin-bottom: var(--space-4);
}

.insight-card-readmore {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
}

.insight-card-readmore::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.insight-card:hover .insight-card-readmore::after {
  transform: translateX(4px);
}

/* ==========================================================================
   Speaking / Conferences
   ========================================================================== */

.speaking-list {
  list-style: none;
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-rule);
}

.speaking-list li {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-rule);
  align-items: baseline;
}

.speaking-year {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-bronze);
  font-weight: 400;
}

.speaking-event strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.speaking-event span {
  font-size: 0.9rem;
  color: var(--color-text-soft);
}

.speaking-location {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-soft);
  letter-spacing: 0.03em;
}

/* ==========================================================================
   Pull quote / Testimonial style
   ========================================================================== */

.pull-quote {
  max-width: 800px;
  margin: var(--space-7) auto;
  text-align: center;
  padding: var(--space-6) var(--space-5);
  position: relative;
}

.pull-quote::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 8rem;
  color: var(--color-bronze);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  opacity: 0.25;
  font-style: italic;
}

.pull-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  font-style: italic;
  line-height: 1.35;
  color: var(--color-ink);
  font-weight: 400;
  letter-spacing: -0.01em;
  position: relative;
}

.pull-quote cite {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-bronze);
}

/* ==========================================================================
   Board / Consejero specific
   ========================================================================== */

.board-hero {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.board-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(176, 141, 87, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(176, 141, 87, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.board-hero h1 {
  color: var(--color-paper);
}

.board-hero .eyebrow-divider {
  color: var(--color-bronze-light);
}

.board-hero .eyebrow-divider::before {
  background-color: var(--color-bronze-light);
}

.board-hero .lede {
  color: rgba(250, 248, 243, 0.85);
  font-style: normal;
  max-width: 720px;
}

.competencies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.competency {
  background-color: var(--color-paper);
  border-left: 3px solid var(--color-bronze);
  padding: var(--space-4);
  transition: var(--transition);
}

.competency:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-subtle);
}

.competency h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

.competency p {
  font-size: 0.875rem;
  color: var(--color-text-soft);
  margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-7) 0 var(--space-5);
  margin-top: var(--space-7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.footer-brand h3 {
  color: var(--color-paper);
  font-size: 1.75rem;
  margin-bottom: var(--space-3);
}

.footer-brand p {
  color: rgba(250, 248, 243, 0.7);
  font-size: 0.95rem;
  max-width: 360px;
}

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-bronze-light);
  margin-bottom: var(--space-3);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-2);
}

.footer-col a {
  color: rgba(250, 248, 243, 0.8);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-bronze-light);
}

.footer-bottom {
  border-top: 1px solid rgba(250, 248, 243, 0.1);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-copyright {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: rgba(250, 248, 243, 0.5);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(250, 248, 243, 0.2);
  border-radius: 50%;
  color: rgba(250, 248, 243, 0.7);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-bronze);
  color: var(--color-paper);
  border-color: var(--color-bronze);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Page header (interior pages)
   ========================================================================== */

.page-header {
  padding: var(--space-7) 0 var(--space-6);
  border-bottom: 1px solid var(--color-rule);
  background-color: var(--color-paper);
}

.page-header h1 {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  margin-bottom: var(--space-3);
}

.page-header .lede {
  max-width: 720px;
}

/* ==========================================================================
   Article (insight detail)
   ========================================================================== */

.article {
  padding: var(--space-7) 0;
}

.article-content {
  max-width: var(--reading-width);
  margin: 0 auto;
}

.article-meta {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-4);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.article-meta time {
  font-weight: 600;
  color: var(--color-bronze);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.article-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
}

.article-content h2 {
  font-size: 1.875rem;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.article-content h3 {
  font-size: 1.375rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
  font-family: var(--font-sans);
  font-weight: 600;
}

.article-content p,
.article-content ul,
.article-content ol {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.article-content ul,
.article-content ol {
  padding-left: var(--space-4);
}

.article-content li {
  margin-bottom: var(--space-2);
}

.article-content blockquote {
  border-left: 3px solid var(--color-bronze);
  padding-left: var(--space-4);
  margin: var(--space-5) 0;
  font-style: italic;
  color: var(--color-text-soft);
  font-size: 1.15rem;
}

.article-source {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-rule);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-soft);
}

.article-source a {
  color: var(--color-bronze);
  font-weight: 600;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.25s; }
.fade-in-delay-3 { animation-delay: 0.4s; }
.fade-in-delay-4 { animation-delay: 0.55s; }

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Decorative ornament
   ========================================================================== */

.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  color: var(--color-bronze);
}

.ornament::before,
.ornament::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background-color: var(--color-bronze);
  opacity: 0.4;
}

.ornament-symbol {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
}

/* ==========================================================================
   Responsive — Tablet
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid,
  .bio-grid,
  .dual-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .bio-aside {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .competencies-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric {
    border-left: none;
    border-top: 1px solid rgba(176, 141, 87, 0.3);
    padding: var(--space-4) 0;
  }

  .metric:first-child,
  .metric:nth-child(2) {
    border-top: none;
  }
}

/* ==========================================================================
   Responsive — Mobile
   ========================================================================== */

@media (max-width: 768px) {
  section {
    padding: var(--space-7) 0;
  }

  .hero {
    padding: var(--space-7) 0 var(--space-7);
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-paper);
    flex-direction: column;
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-rule);
    gap: var(--space-3);
    align-items: flex-start;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .achievements-grid,
  .insights-grid,
  .competencies-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding-left: var(--space-5);
  }

  .timeline-period {
    text-align: left;
  }

  .timeline-content {
    padding-left: 0;
  }

  .timeline-content::before {
    left: -22px;
  }

  .speaking-list li {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .hero-meta {
    gap: var(--space-3);
  }

  .hero-meta-item strong {
    font-size: 1.5rem;
  }

  .hero-meta-item span {
    font-size: 0.7rem;
  }

  .pull-quote::before {
    font-size: 5rem;
    top: -10px;
  }
}

/* ==========================================================================
   Print styles
   ========================================================================== */

@media print {
  .site-header, .site-footer, .nav, .hero-cta { display: none; }
  body { font-size: 11pt; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
}