/* ==========================================================================
   Editorial Design System: Sensible East Coast Aesthetic
   Timeless typography, warm archival linen canvas, zero animation.
   ========================================================================== */

:root {
  /* Color Palette - Archival Paper & Deep Heritage Ink */
  --bg-canvas: #FAF8F5;
  --bg-subtle: #F3EFE8;
  --bg-card: #FFFFFF;
  
  --ink-primary: #181A1D;
  --ink-secondary: #484E5A;
  --ink-muted: #6E7582;
  
  --rule-hairline: #DED8CE;
  --rule-strong: #181A1D;
  
  --accent-navy: #192A45;
  --accent-cordovan: #5C1D2A;
  --accent-forest: #223B2D;
  --accent-stone: #8C8477;

  /* Typography */
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --container-width: 1040px;
  --content-narrow: 760px;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-serif);
  line-height: 1.7;
  color: var(--ink-primary);
  background-color: var(--bg-canvas);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin-bottom: 1.4rem;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

.section-block {
  padding-top: 96px;
  padding-bottom: 96px;
  border-bottom: 1px solid var(--rule-hairline);
}

.section-alt {
  background-color: var(--bg-subtle);
}

/* ==========================================================================
   Masthead & Navigation
   ========================================================================== */
.masthead {
  position: sticky;
  top: 0;
  background-color: rgba(250, 248, 245, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule-hairline);
  z-index: 100;
  padding: 20px 0;
}

.masthead-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.masthead-brand {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
}

.brand-subtitle {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-top: 2px;
}

.masthead-nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-item {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-secondary);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.nav-item:hover {
  color: var(--ink-primary);
  border-bottom-color: var(--ink-primary);
}

.nav-highlight {
  color: var(--accent-cordovan);
  font-weight: 700;
}

.nav-highlight:hover {
  border-bottom-color: var(--accent-cordovan);
}

/* ==========================================================================
   Section 1: Hero & Synopsis
   ========================================================================== */
.section-hero {
  padding-top: 84px;
  padding-bottom: 96px;
  border-bottom: 1px solid var(--rule-hairline);
}

.hero-mast {
  margin-bottom: 44px;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-cordovan);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.2vw, 3.3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  max-width: 940px;
  margin-bottom: 32px;
}

.hero-rule {
  width: 100%;
  height: 1px;
  background-color: var(--rule-hairline);
}

.synopsis-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 64px;
  align-items: flex-start;
}

.synopsis-lead {
  font-size: 1.22rem;
  line-height: 1.8;
  color: var(--ink-secondary);
}

.dropcap-p {
  position: relative;
}

.dropcap {
  float: left;
  font-family: var(--font-serif);
  font-size: 4.8rem;
  line-height: 0.78;
  padding-top: 4px;
  padding-right: 14px;
  padding-bottom: 4px;
  color: var(--accent-navy);
  font-weight: 500;
}

.card-aside {
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
  padding: 36px 32px;
}

.aside-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cordovan);
  margin-bottom: 14px;
}

.aside-text {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: 24px;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--rule-hairline);
}

.text-link {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-navy);
}

.text-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Section Headers & Numbering
   ========================================================================== */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule-hairline);
}

.section-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--accent-cordovan);
  min-width: 40px;
}

.section-meta {
  flex: 1;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink-primary);
  margin-bottom: 4px;
}

.section-descriptor {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 0;
}

.editorial-body {
  max-width: var(--content-narrow);
  margin-bottom: 48px;
}

.body-prose {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--ink-secondary);
}

/* ==========================================================================
   Section 1: Work & Leadership Cards
   ========================================================================== */
.work-entries-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.work-card {
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
  padding: 36px 36px;
}

.work-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-hairline);
}

.work-role {
  font-family: var(--font-serif);
  font-size: 1.38rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 4px;
}

.work-org {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-navy);
}

.work-badge {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cordovan);
  background-color: var(--bg-subtle);
  padding: 4px 10px;
  border: 1px solid var(--rule-hairline);
}

.work-bullets {
  list-style-type: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.work-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ink-secondary);
}

.work-bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-cordovan);
}

.work-bullets li strong {
  color: var(--ink-primary);
}

.work-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink-secondary);
  margin-bottom: 12px;
}

.work-desc-sub {
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-style: italic;
  margin-bottom: 0;
}

.inline-link {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--accent-navy);
  font-weight: 500;
}

.inline-link:hover {
  color: var(--accent-cordovan);
}

/* ==========================================================================
   Section 2: Academic & Patents
   ========================================================================== */
.academic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: flex-start;
}

.academic-col {
  display: flex;
  flex-direction: column;
}

.sub-heading {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-hairline);
}

.academic-item {
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
  padding: 28px 28px;
  margin-bottom: 24px;
}

.academic-date {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cordovan);
  margin-bottom: 6px;
}

.academic-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 4px;
}

.academic-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-navy);
  margin-bottom: 10px;
}

.academic-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: 0;
}

/* Patents List */
.patents-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.patent-card {
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
  padding: 18px 22px;
}

.patent-number {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.patent-link {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-navy);
}

.patent-link:hover {
  text-decoration: underline;
  color: var(--accent-cordovan);
}

.patent-date {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--ink-muted);
  font-weight: 500;
}

.patent-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--ink-primary);
}

/* ==========================================================================
   Section 3: Aviation
   ========================================================================== */
.aviation-feature-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: flex-start;
}

.image-frame {
  border: 1px solid var(--rule-hairline);
  background-color: var(--bg-card);
  padding: 12px;
}

.aviation-photo {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.image-caption {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 10px;
  padding-bottom: 2px;
}

.credentials-box {
  background-color: var(--bg-subtle);
  border: 1px solid var(--rule-hairline);
  padding: 24px 28px;
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cred-row {
  display: flex;
  font-size: 0.92rem;
  line-height: 1.5;
}

.cred-label {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  min-width: 130px;
}

.cred-val {
  color: var(--ink-primary);
  font-weight: 500;
}

.invitation-banner {
  border-left: 3px solid var(--accent-cordovan);
  padding-left: 20px;
  margin-top: 28px;
}

.invitation-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 8px;
}

.invitation-body {
  font-size: 0.98rem;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.invitation-action {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cordovan);
}

.invitation-action:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Section 4: Travel Photography Galleries
   ========================================================================== */
.photo-trips-container {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.trip-card {
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
  padding: 36px 36px;
}

.trip-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-hairline);
}

.trip-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--ink-primary);
}

.trip-details {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cordovan);
}

.trip-image-frame {
  border: 1px solid var(--rule-hairline);
  padding: 10px;
  background-color: var(--bg-canvas);
  margin-bottom: 18px;
}

.trip-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.trip-caption {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 10px;
}

.trip-notes {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-secondary);
  margin-bottom: 0;
  max-width: 820px;
}

/* ==========================================================================
   Section 5: Correspondence (Dual Channels)
   ========================================================================== */
.channels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

.channel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.channel-tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cordovan);
  margin-bottom: 12px;
}

.channel-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: 14px;
}

.channel-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-secondary);
  margin-bottom: 28px;
}

.channel-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-channel {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-subtle);
  border: 1px solid var(--rule-hairline);
  padding: 14px 20px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-primary);
}

.btn-channel:hover {
  background-color: var(--ink-primary);
  color: #FFFFFF;
  border-color: var(--ink-primary);
}

.channel-subtext {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.contact-details-strip {
  background-color: var(--bg-subtle);
  border: 1px solid var(--rule-hairline);
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.direct-email-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.detail-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.detail-value {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink-primary);
}

.email-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.email-link:hover {
  color: var(--accent-cordovan);
}

/* ==========================================================================
   Colophon / Footer
   ========================================================================== */
.colophon {
  background-color: var(--bg-canvas);
  border-top: 1px solid var(--rule-hairline);
  padding: 48px 0;
}

.colophon-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}

.colophon-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 4px;
}

.colophon-text {
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.colophon-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.colophon-meta {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.colophon-top-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-navy);
}

.colophon-top-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
  .synopsis-grid,
  .academic-grid,
  .aviation-feature-grid,
  .channels-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .nav-list {
    gap: 16px;
    flex-wrap: wrap;
  }

  .colophon-right {
    align-items: flex-start;
  }
}

/* ==========================================================================
   Long-Form & Essay Styling
   ========================================================================== */
.essay-container {
  max-width: var(--content-narrow, 740px);
  margin-left: auto;
  margin-right: auto;
  padding-top: 64px;
  padding-bottom: 120px;
}

.essay-meta-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule-hairline);
}

.essay-tag {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cordovan);
  font-weight: 700;
  margin-bottom: 12px;
}

.essay-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.18;
  color: var(--ink-primary);
  margin-bottom: 14px;
}

.essay-byline {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.essay-prose {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.85;
  color: var(--ink-primary);
}

.essay-prose p {
  margin-bottom: 1.75rem;
}

.essay-divider {
  margin: 72px 0;
  border: 0;
  border-top: 1px solid var(--rule-hairline);
}

.archive-nav {
  margin-bottom: 56px;
  padding: 24px 28px;
  background-color: var(--bg-card);
  border: 1px solid var(--rule-hairline);
}

.archive-nav-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 12px;
  font-weight: 700;
}

.archive-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.archive-item {
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.archive-item a {
  color: var(--ink-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.archive-item a:hover {
  color: var(--accent-navy);
}

.archive-item-date {
  color: var(--ink-muted);
  font-size: 0.85rem;
  margin-left: 8px;
}

.nav-item.active {
  color: var(--ink-primary);
  border-bottom-color: var(--ink-primary);
}

.nav-item.nav-highlight.active {
  color: var(--accent-cordovan);
  border-bottom-color: var(--accent-cordovan);
}

main#content {
  min-height: calc(100vh - 270px);
}