/* ============================================
   ASTRONOMY PORTFOLIO - STYLE SYSTEM
   A semi-curated archive for curious observers
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors - Deep Space Palette */
  --color-void: #0a0f1a;
  --color-night: #0d1929;
  --color-twilight: #1a2744;
  --color-dusk: #2a3f5f;
  --color-nebula: #c9a87c;
  --color-star: #e8d5b7;
  --color-light: #f8f6f3;
  --color-paper: #fefdfb;
  --color-text: #2c2c2c;
  --color-text-muted: #6b6b6b;
  --color-text-soft: #8a8a8a;
  --color-border: #e5e2dd;
  --color-border-light: #f0ede8;
  
  /* Accent Colors */
  --color-accent: #b8860b;
  --color-accent-soft: rgba(184, 134, 11, 0.15);
  --color-accent-hover: #d4a017;
  
  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  
  /* Layout */
  --max-width: 1100px;
  --content-width: 720px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-glacial: 800ms cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Shadows */
  --shadow-subtle: 0 2px 8px rgba(10, 15, 26, 0.04);
  --shadow-card: 0 4px 20px rgba(10, 15, 26, 0.08);
  --shadow-elevated: 0 8px 40px rgba(10, 15, 26, 0.12);
}

/* Dark Mode */
[data-theme="dark"] {
  --color-paper: #0a0f1a;
  --color-light: #111827;
  --color-text: #e8e6e3;
  --color-text-muted: #9ca3af;
  --color-text-soft: #6b7280;
  --color-border: #1f2937;
  --color-border-light: #1a2234;
  --color-accent: #d4a017;
  --color-accent-soft: rgba(212, 160, 23, 0.15);
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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;
  /* no transition on body — avoids black flash on page navigation */
}

/* Selection */
::selection {
  background-color: var(--color-accent-soft);
  color: var(--color-text);
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw + 0.25rem, 1.5rem);
}

p {
  margin-bottom: var(--space-lg);
}

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

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

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

strong {
  font-weight: 600;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.narrow-content {
  max-width: var(--content-width);
}

.section {
  padding: var(--space-5xl) 0;
}

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

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.header__logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.header__logo:hover {
  color: var(--color-accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--color-text-muted);
  stroke-width: 1.5;
  transition: stroke var(--transition-fast);
}

.theme-toggle:hover svg {
  stroke: var(--color-accent);
}

.theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

/* Mobile Menu */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

/* --- Main Content --- */
main {
  padding-top: var(--header-height);
  min-height: 100vh;
  position: relative;
}

/* Glow blobs scattered through the scrollable content area */
main::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    radial-gradient(ellipse 55% 18% at 88%  9%,  rgba(184, 134, 11, 0.088) 0%, transparent 70%),
    radial-gradient(ellipse 40% 14% at  6%  37%,  rgba(184, 134, 11, 0.062) 0%, transparent 72%),
    radial-gradient(ellipse 50% 16% at 80%  62%,  rgba(184, 134, 11, 0.075) 0%, transparent 68%),
    radial-gradient(ellipse 32% 10% at 14%  86%,  rgba(184, 134, 11, 0.052) 0%, transparent 74%);
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

/* Two concentric ring clusters — right side upper, left side lower */
main::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    repeating-radial-gradient(
      circle at 97% 32%,
      transparent 0, transparent 48px,
      rgba(120, 80, 5, 0.07) 48px, rgba(120, 80, 5, 0.07) 51px
    ),
    repeating-radial-gradient(
      circle at 8% 70%,
      transparent 0, transparent 62px,
      rgba(120, 80, 5, 0.065) 62px, rgba(120, 80, 5, 0.065) 65px
    );
  mask-image:
    radial-gradient(ellipse 26% 18% at 97% 32%, black 0%, transparent 100%),
    radial-gradient(ellipse 22% 16% at  8% 70%, black 0%, transparent 100%);
  -webkit-mask-image:
    radial-gradient(ellipse 26% 18% at 97% 32%, black 0%, transparent 100%),
    radial-gradient(ellipse 22% 16% at  8% 70%, black 0%, transparent 100%);
}

[data-theme="dark"] main::before {
  background-image:
    radial-gradient(ellipse 55% 18% at 88%  9%,  rgba(212, 160, 23, 0.092) 0%, transparent 70%),
    radial-gradient(ellipse 40% 14% at  6%  37%,  rgba(212, 160, 23, 0.065) 0%, transparent 72%),
    radial-gradient(ellipse 50% 16% at 80%  62%,  rgba(212, 160, 23, 0.080) 0%, transparent 68%),
    radial-gradient(ellipse 32% 10% at 14%  86%,  rgba(212, 160, 23, 0.058) 0%, transparent 74%);
}

[data-theme="dark"] main::after {
  background-image:
    repeating-radial-gradient(
      circle at 97% 32%,
      transparent 0, transparent 48px,
      rgba(212, 160, 23, 0.08) 48px, rgba(212, 160, 23, 0.08) 51px
    ),
    repeating-radial-gradient(
      circle at 8% 70%,
      transparent 0, transparent 62px,
      rgba(212, 160, 23, 0.075) 62px, rgba(212, 160, 23, 0.075) 65px
    );
}

/* Structural — needed for any section using a ::before decoration */
.section--compact {
  position: relative;
}

/* Diagonal diamond grid — opt-in only (add class section--has-grid to the section element) */
.section--has-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient( 45deg, transparent 0, transparent 149px, rgba(120, 80, 5, 0.028) 149px, rgba(120, 80, 5, 0.028) 150px),
    repeating-linear-gradient(-45deg, transparent 0, transparent 149px, rgba(120, 80, 5, 0.028) 149px, rgba(120, 80, 5, 0.028) 150px);
}

[data-theme="dark"] .section--has-grid::before {
  background-image:
    repeating-linear-gradient( 45deg, transparent 0, transparent 149px, rgba(255, 248, 220, 0.030) 149px, rgba(255, 248, 220, 0.030) 150px),
    repeating-linear-gradient(-45deg, transparent 0, transparent 149px, rgba(255, 248, 220, 0.030) 149px, rgba(255, 248, 220, 0.030) 150px);
}

/* --- Hero Section --- */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(90vh - var(--header-height));
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
  /* star field: scattered dark dots for contrast on light background */
  background-image:
    radial-gradient(circle, rgba(120, 80, 5, 0.45) 1px, transparent 1px),
    radial-gradient(circle, rgba(120, 80, 5, 0.30) 1px, transparent 1px),
    radial-gradient(circle, rgba(120, 80, 5, 0.38) 1.5px, transparent 1.5px),
    radial-gradient(circle, rgba(120, 80, 5, 0.24) 1px, transparent 1px),
    radial-gradient(circle, rgba(120, 80, 5, 0.35) 1px, transparent 1px);
  background-size: 130px 130px, 190px 190px, 270px 270px, 95px 95px, 175px 175px;
  background-position: 12px 18px, 75px 45px, 35px 100px, 160px 28px, 52px 145px;
}

[data-theme="dark"] .hero {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle, rgba(255, 248, 220, 0.40) 1.5px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 248, 220, 0.28) 1.5px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 248, 220, 0.34) 2px, transparent 2px),
    radial-gradient(circle, rgba(255, 248, 220, 0.22) 1.5px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 248, 220, 0.32) 1.5px, transparent 1.5px);
  background-size: 130px 130px, 190px 190px, 270px 270px, 95px 95px, 175px 175px;
  background-position: 12px 18px, 75px 45px, 35px 100px, 160px 28px, 52px 145px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 750px;
  height: 750px;
  background: radial-gradient(circle, rgba(184, 134, 11, 0.22) 0%, transparent 65%);
  pointer-events: none;
  animation: pulse-slow 8s ease-in-out infinite;
}

@keyframes pulse-slow {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-radial-gradient(
    circle at 82% 52%,
    transparent 0,
    transparent 57px,
    rgba(120, 80, 5, 0.40) 57px,
    rgba(120, 80, 5, 0.40) 60px
  );
  mask-image: radial-gradient(ellipse 65% 90% at 82% 52%, black 0%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 65% 90% at 82% 52%, black 0%, transparent 85%);
  pointer-events: none;
}

[data-theme="dark"] .hero::after {
  background: repeating-radial-gradient(
    circle at 82% 52%,
    transparent 0,
    transparent 57px,
    rgba(212, 160, 23, 0.38) 57px,
    rgba(212, 160, 23, 0.38) 60px
  );
}

.hero__content {
  position: relative;
  max-width: 800px;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw + 1rem, 4.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero__tagline {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-3xl);
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

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

/* --- About Section --- */
.about {
  background: var(--color-light);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  transition: background-color var(--transition-slow);
}

.about__content {
  display: grid;
  grid-template-columns: var(--content-width) 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about__text {
  font-size: 1.125rem;
  line-height: 1.8;
}

.about__image-col {
  position: sticky;
  top: 120px;
}

.about__photo-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--color-light);
  border: 1px solid var(--color-border-light);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  overflow: hidden;
}

.about__photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .about__content {
    grid-template-columns: 1fr;
  }
  .about__image-col {
    position: static;
    order: -1;
    max-width: 260px;
  }
}

/* --- Page Links Grid --- */
.page-links {
  padding: var(--space-5xl) 0;
}

.page-links__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.page-link {
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl);
  background: var(--color-light);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--transition-base);
}

.page-link:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-link__icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.page-link__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.page-link__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Contact Banner --- */
.contact-banner {
  text-align: center;
  padding: var(--space-4xl) 0;
  border-top: 1px solid var(--color-border-light);
}

.contact-banner__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-soft);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.contact-banner__email {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-text);
  letter-spacing: 0.02em;
}

/* --- Page Header --- */
.page-header {
  padding: var(--space-4xl) 0 var(--space-3xl);
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}


.page-header__title {
  margin-bottom: var(--space-md);
}

.page-header__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* --- Research Page --- */
.research-section {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.research-section:last-child {
  border-bottom: none;
}

.research-section__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.paper-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.paper-item {
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-light);
}

.paper-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.paper-item__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.paper-item__title a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.paper-item__title a:hover {
  color: var(--color-accent);
}

.paper-item__authors {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.paper-item__authors .highlight {
  color: var(--color-text);
  font-weight: 500;
}

.paper-item__meta {
  font-size: 0.875rem;
  color: var(--color-text-soft);
  margin-bottom: var(--space-md);
}

.paper-item__abstract {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.paper-item__links {
  display: flex;
  gap: var(--space-md);
}

.paper-item__link {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

/* Proposals Table */
.proposals-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.proposals-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: left;
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
  border-bottom: 2px solid var(--color-border);
}

.proposals-table td {
  padding: var(--space-lg) var(--space-md) var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.proposals-table tr:last-child td {
  border-bottom: none;
}

.proposals-table .role-pi {
  color: var(--color-accent);
  font-weight: 500;
}

.proposals-table .role-coi {
  color: var(--color-text-muted);
}

/* Research Body */
.research-body {
  margin-top: var(--space-xl);
}

.research-subhead {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.research-body > p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.research-figure {
  margin: var(--space-2xl) 0;
  padding: var(--space-lg);
  background: var(--color-border-light);
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.research-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.research-figure figcaption {
  margin-top: var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  line-height: 1.6;
  font-style: italic;
}

/* Code Section */
.code-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.code-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
  align-items: baseline;
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.code-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.code-item__name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.code-item__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.code-item__link {
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.code-item__link:hover {
  color: var(--color-accent-hover);
}

/* --- Meanderings Page --- */
.writings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: var(--space-2xl);
  row-gap: var(--space-2xl);
  align-items: start;
  padding: var(--space-xl) 0;
  overflow: visible;
}

.writing-card {
  padding: var(--space-xl) var(--space-2xl);
  border-radius: 3px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  min-width: 0;
}

.writing-card:hover {
  box-shadow: var(--shadow-subtle);
  z-index: 1;
}

/* Essay cards — gold left border */
.writing-card--essay {
  background: var(--color-light);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-accent);
}

/* Book review cards — sage green */
.writing-card--book {
  background: color-mix(in srgb, #6b8f71 6%, var(--color-bg));
  border: 1px solid color-mix(in srgb, #6b8f71 25%, transparent);
  border-left: 3px solid #6b8f71;
}

[data-theme="dark"] .writing-card--book {
  background: color-mix(in srgb, #6b8f71 10%, var(--color-bg));
  border-color: color-mix(in srgb, #6b8f71 30%, transparent);
  border-left-color: #8ab890;
}

/* Film cards — slate blue */
.writing-card--film {
  background: color-mix(in srgb, #6b82a8 6%, var(--color-bg));
  border: 1px solid color-mix(in srgb, #6b82a8 25%, transparent);
  border-left: 3px solid #6b82a8;
}

[data-theme="dark"] .writing-card--film {
  background: color-mix(in srgb, #6b82a8 10%, var(--color-bg));
  border-color: color-mix(in srgb, #6b82a8 30%, transparent);
  border-left-color: #8fa8c8;
}

[data-theme="dark"] .writing-card--essay {
  border-left-color: var(--color-accent);
}

.writing-card--plays {
  background: color-mix(in srgb, #a87060 6%, var(--color-bg)) !important;
  border: 1px solid color-mix(in srgb, #a87060 25%, transparent) !important;
  border-left: 3px solid #a87060 !important;
}

[data-theme="dark"] .writing-card--plays {
  background: color-mix(in srgb, #a87060 10%, var(--color-bg)) !important;
  border-color: color-mix(in srgb, #a87060 30%, transparent) !important;
  border-left-color: #c89080 !important;
}

.writing-card--plays .writing-card__type { color: #a87060; }
[data-theme="dark"] .writing-card--plays .writing-card__type { color: #c89080; }
.writing-card--plays .writing-card__title a:hover { color: #a87060; }
[data-theme="dark"] .writing-card--plays .writing-card__title a:hover { color: #c89080; }
.writing-card--plays .writing-card__link { color: #a87060; }
[data-theme="dark"] .writing-card--plays .writing-card__link { color: #c89080; }

/* Scatter effect: subtle alternating rotations and vertical stagger */
.writing-card:nth-child(odd)  { transform: rotate(-0.4deg); }
.writing-card:nth-child(even) { transform: rotate(0.5deg);  margin-top: var(--space-2xl); }
.writing-card:nth-child(3n)   { transform: rotate(0.2deg); }
.writing-card:nth-child(5n)   { transform: rotate(-0.6deg); }

@media (max-width: 900px) {
  .writings-grid {
    column-gap: var(--space-lg);
    row-gap: var(--space-xl);
  }
  .writing-card:nth-child(even) { margin-top: var(--space-xl); }
}

@media (max-width: 600px) {
  .writings-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .writing-card:nth-child(n) { transform: none; margin-top: 0; }
}

.writing-card__type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: var(--space-sm);
}

.writing-card--book .writing-card__type { color: #6b8f71; }
[data-theme="dark"] .writing-card--book .writing-card__type { color: #8ab890; }
.writing-card--film .writing-card__type { color: #6b82a8; }
[data-theme="dark"] .writing-card--film .writing-card__type { color: #8fa8c8; }

.writing-card__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-soft);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.writing-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

.writing-card__title a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.writing-card__title a:hover {
  color: var(--color-accent);
}

.writing-card--book .writing-card__title a:hover {
  color: #6b8f71;
}

[data-theme="dark"] .writing-card--book .writing-card__title a:hover {
  color: #8ab890;
}

.writing-card__author {
  font-size: 0.875rem;
  color: var(--color-text-soft);
  font-style: italic;
  margin-bottom: var(--space-md);
}

.writing-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.writing-card__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.writing-card--book .writing-card__link {
  color: #6b8f71;
}

[data-theme="dark"] .writing-card--book .writing-card__link { color: #8ab890; }
.writing-card--film .writing-card__title a:hover { color: #6b82a8; }
[data-theme="dark"] .writing-card--film .writing-card__title a:hover { color: #8fa8c8; }
.writing-card--film .writing-card__link { color: #6b82a8; }
[data-theme="dark"] .writing-card--film .writing-card__link { color: #8fa8c8; }

/* Essay Full View */
.essay-content {
  max-width: var(--content-width);
  margin: 0 auto;
}

.essay-content__header {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-light);
}

.essay-content__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.essay-content__title {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.essay-content__body {
  font-size: 1.125rem;
  line-height: 1.85;
}

.essay-content__body p {
  margin-bottom: var(--space-xl);
}

.essay-content__body h2 {
  font-size: 1.5rem;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
}

.essay-content__body blockquote {
  margin: var(--space-2xl) 0;
  padding-left: var(--space-xl);
  border-left: 3px solid var(--color-accent);
  font-style: italic;
  color: var(--color-text-muted);
}

.essay-content__bibliography {
  margin-top: var(--space-xl);
  padding-left: var(--space-xl);
  font-size: 1rem;
  line-height: 1.7;
}

.essay-content__bibliography li {
  margin-bottom: var(--space-md);
  color: var(--color-text-soft);
}

.essay-back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-text-soft);
  text-decoration: none;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3xl);
  transition: color var(--transition-swift);
}

.essay-back-link:hover {
  color: var(--color-accent);
}

.essay-back-link--bottom {
  margin-bottom: 0;
  margin-top: var(--space-3xl);
  display: block;
}

/* --- Glimpses Gallery Page --- */
.gallery {
  padding: var(--space-3xl) 0;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.gallery__item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

.gallery__caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  background: linear-gradient(transparent 50%, rgba(10, 15, 26, 0.8));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
}

.gallery__caption-text {
  font-size: 0.875rem;
  color: white;
  line-height: 1.5;
}

.gallery__caption-location {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

/* Gallery Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 26, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox__caption {
  text-align: center;
  padding: var(--space-lg);
  color: white;
}

.lightbox__close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.lightbox__close svg {
  width: 20px;
  height: 20px;
  stroke: white;
  stroke-width: 2;
}

/* --- Trajectory CV Page --- */
.cv-section {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.cv-section:last-child {
  border-bottom: none;
}

.cv-section__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.cv-entry {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.cv-entry:last-child {
  margin-bottom: 0;
}

.cv-entry__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  padding-top: 4px;
}

.cv-entry__content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.cv-entry__content h4 {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.cv-entry__content p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.cv-entry__content ul {
  margin-top: var(--space-sm);
  padding-left: var(--space-lg);
}

.cv-entry__content li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.skill-category h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: var(--space-md);
}

.skill-category li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* Download CV Button */
.cv-download {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent);
  color: white;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.cv-download:hover {
  background: var(--color-accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.cv-download svg {
  width: 16px;
  height: 16px;
}

/* --- Bridges Outreach Page --- */
.outreach-intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: var(--content-width);
  margin-bottom: var(--space-3xl);
  line-height: 1.8;
}

.outreach-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.outreach-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-xl);
  padding: var(--space-2xl);
  background: var(--color-light);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  transition: all var(--transition-base);
}

.outreach-item:hover {
  border-color: var(--color-accent);
}

.outreach-item__type {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.outreach-item__year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-soft);
  margin-top: var(--space-xs);
}

.outreach-item__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.outreach-item__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.outreach-item__link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
}

/* --- Connect Page --- */
.connect-content {
  max-width: var(--content-width);
}

.connect-intro {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: var(--space-3xl);
}

.connect-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.connect-method {
  padding: var(--space-2xl);
  background: var(--color-light);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
}

.connect-method__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.connect-method__value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
}

.connect-method__value a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.connect-method__value a:hover {
  color: var(--color-accent);
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.social-link:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--color-text-muted);
  transition: fill var(--transition-fast);
}

.social-link:hover svg {
  fill: var(--color-accent);
}

[data-theme="dark"] .social-link {
  background: var(--color-accent);
  border-color: var(--color-text-soft);
  color: var(--color-void);
}

[data-theme="dark"] .social-link svg {
  fill: none;
  stroke: var(--color-void);
  color: var(--color-void);
}

[data-theme="dark"] .social-link:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-text-muted);
}

[data-theme="dark"] .social-link:hover svg {
  fill: none;
  stroke: var(--color-void);
}

/* Contact Form */
.contact-form {
  margin-top: var(--space-3xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-border-light);
}

.contact-form__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-xl);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-text);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-submit:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border-light);
  text-align: center;
}

.footer__text {
  font-size: 0.875rem;
  color: var(--color-text-soft);
}

.footer__text span {
  color: var(--color-accent);
}

/* --- Decorative Elements --- */
.constellation-dot {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.5;
}

.orbital-line {
  position: absolute;
  border: 1px dashed var(--color-border-light);
  border-radius: 50%;
  opacity: 0.3;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s var(--transition-glacial) forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s var(--transition-glacial) forwards;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger children animations */
.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.35s; }

/* --- Responsive Design --- */
@media (max-width: 900px) {
  .page-links__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cv-entry {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .cv-entry__date {
    padding-top: 0;
  }
  
  .outreach-item {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    background: var(--color-paper);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }
  
  .nav__list.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__link {
    font-size: 1.25rem;
  }
  
  .page-links__grid {
    grid-template-columns: 1fr;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-3xl) 0;
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .proposals-table {
    display: block;
  }
  
  .proposals-table thead {
    display: none;
  }
  
  .proposals-table tbody,
  .proposals-table tr,
  .proposals-table td {
    display: block;
  }
  
  .proposals-table tr {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .proposals-table td {
    padding: var(--space-xs) 0;
    border: none;
  }
  
  .proposals-table td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--color-text-soft);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--space-xs);
  }

  .code-item {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-lg);
  }
  
  .gallery__grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Reading Progress Bar --- */
#progress-bar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  height: 3px;
  width: 0%;
  background: #a07828;
  z-index: 9999;
  transition: width 0.1s linear;
  pointer-events: none;
}

[data-theme="dark"] #progress-bar {
  background: #b8902a;
}

/* --- Meanderings Filter --- */
.writings-filter {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35em 0.9em;
  border-radius: 2px;
  border: 1px solid var(--color-border-light);
  background: transparent;
  color: var(--color-text-soft);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.filter-btn[data-filter="book"].active  { background: #6b8f71; border-color: #6b8f71; }
.filter-btn[data-filter="film"].active  { background: #6b82a8; border-color: #6b82a8; }
.filter-btn[data-filter="plays"].active { background: #a87060; border-color: #a87060; }

.writing-card.hidden,
.hidden {
  display: none;
}

/* --- Print Styles --- */
@media print {
  .header,
  .theme-toggle,
  .lightbox {
    display: none;
  }
  
  main {
    padding-top: 0;
  }
  
  body {
    font-size: 12pt;
    color: black;
    background: white;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
}