@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&display=swap');
/* ============================================================
   DESIGN SYSTEM
   References: Image 1 (editorial article) + Image 2 (magazine /
   design journal with sage green palette & dark footer)
   ============================================================ */

:root {
  /* Core */
  --bg: #ffffff;
  --paper: #f4f5f0;
  /* sage-tinted section background */
  --ink: #1a1a1a;
  --ink-mid: #555555;
  --ink-faint: #999999;

  /* Sage / olive family (Image 2) */
  --sage-pill-bg: #c8d6a4;
  --sage-pill-text: #2c4016;
  --sage-mid: #4a6130;
  --sage-border-color: rgba(74, 97, 48, 0.25);
  --sage-border: 1px solid var(--sage-border-color);

  /* Forest green footer (Image 2) */
  --forest: #141f0b;
  --forest-sep: #243318;

  /* Rules */
  --rule-color: rgba(26, 26, 26, 0.10);
  --rule: 1px solid var(--rule-color);
  --rule-strong: 1px solid #1a1a1a;

  /* Shadows */
  --shadow-color: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 4px 24px var(--shadow-color);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Fluid Typography */
  --font-size-h2: clamp(1.75rem, 3vw, 2.75rem);
  --font-size-h3: clamp(1.1rem, 2vw, 1.5rem);

  /* Layout */
  --max-width: 1200px;
  --gutter: 48px;
  --section-v: 84px;

  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  --bg: #0e0e0e;
  --paper: #1a1a1a;
  --ink: #f0f2eb;
  --ink-mid: #aeb1a6;
  --ink-faint: #6e7166;
  --rule-color: rgba(240, 242, 235, 0.12);
  --rule-strong: 1px solid #f0f2eb;
  --shadow-color: rgba(0, 0, 0, 0.4);

  --sage-mid: #9db285;
  /* Slightly lighter sage for dark mode contrast */
  --sage-pill-bg: #4a6130;
  --sage-pill-text: #f0f2eb;
  --sage-border-color: rgba(157, 178, 133, 0.3);

  --forest: #080d04;
}

[data-theme="dark"] .tag {
  color: var(--ink);
  border-color: var(--sage-border-color);
}

[data-theme="dark"] .tag-sage {
  background-color: var(--sage-pill-bg);
  color: var(--sage-pill-text);
}

[data-theme="dark"] .tag-light {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--bg);
}

body {
  background-color: var(--bg);
  color: var(--ink);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Theme Toggle Button Styles */
.theme-toggle {
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
  color: var(--sage-mid);
}

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

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

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

/* Update general transition for theme-aware properties */
.navbar,
.footer,
.cs-section,
.overview-bar,
.card-image-wrap,
.project-card,
.article-title,
.cs-breadcrumb-bar {
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.nav-brand-wrapper {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-dot {
  width: 6px;
  height: 6px;
  background-color: var(--sage-mid);
  border-radius: 50%;
}

.navbar .date-stamp {
  display: none;
}
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.navbar .weather {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: 1.5rem;
  font-size: 0.72rem;
  color: var(--sage-mid);
  font-family: 'JetBrains Mono', monospace;
}

.weather-icon {
  width: 1.1rem;
  height: 1.1rem;
  stroke-width: 2.5px;
}

.tab-with-image {
  display: flex;
  gap: 3.5rem;
  align-items: flex-start;
}

.tab-text {
  flex: 1;
}

.tab-image {
  flex: 0 0 280px;
  position: sticky;
  top: 2rem;
}

.tab-image-large {
  flex: 0 0 520px;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--paper);
  border: 1px dashed var(--sage-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.about-figure {
  margin: 0;
}

.about-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: var(--shadow-sm);
  image-rendering: -webkit-optimize-contrast;
  /* Sharpens screenshots */
}

.about-figure figcaption {
  font-size: 0.62rem;
  color: var(--ink-faint);
  margin-top: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  text-align: right;
  font-style: italic;
  opacity: 0.8;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ============================================================
   SHARED COMPONENTS
   ============================================================ */

/* Tags / badges */
.tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  border: 1px solid var(--rule-color);
  color: var(--ink-mid);
  white-space: nowrap;
}

.tag-sage {
  background-color: var(--sage-pill-bg);
  border-color: transparent;
  color: var(--sage-pill-text);
}

.tag-light {
  background-color: rgba(255, 255, 255, 0.88);
  border-color: transparent;
  color: var(--ink);
  backdrop-filter: blur(4px);
}

/* Section pill (Image 2 style: sage green, rounded) */
.section-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  background-color: var(--sage-pill-bg);
  color: var(--sage-pill-text);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
}

/* Brand dot indicator */
.brand-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--sage-mid);
  flex-shrink: 0;
  margin-right: 0.45rem;
}

.brand-dot--light {
  background-color: var(--sage-pill-bg);
}

/* ============================================================
   NAVIGATION (Image 1: thin bar, clean)
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: var(--rule);
  display: grid;
  grid-template-columns: 1fr auto 1fr; /* True 3-column balance */
  align-items: center;
  padding: 0.75rem var(--gutter);
  transition: box-shadow 0.3s ease, background-color var(--transition-speed) ease;
}

.nav-left {
  display: flex;
  justify-content: flex-start;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.nav-links a.active {
  color: var(--ink);
  font-weight: 600;
  position: relative;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--sage-mid);
}

.nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-mid);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.weather {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--sage-mid);
  font-family: 'JetBrains Mono', monospace;
  opacity: 0.9;
}

.nav-right {
  display: flex;
  align-items: center;
}

.burger-menu {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 0.5rem;
}

.burger-menu i {
  width: 24px;
  height: 24px;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-close {
  position: absolute;
  top: 2rem;
  right: var(--gutter);
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
}

.mobile-menu-close i {
  width: 32px;
  height: 32px;
}

.mobile-nav-links {
  list-style: none;
  text-align: center;
}

.mobile-nav-links li {
  margin: 2rem 0;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ink);
  transition: color 0.3s ease;
}

.mobile-nav-links a:hover {
  color: var(--sage-mid);
}

.nav-cta {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--sage-mid);
  color: #ffffff;
  padding: 0.55rem 1.25rem;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background-color: var(--sage-mid);
  border-color: var(--sage-border-color);
  transform: translateY(-1px);
}

/* ============================================================
   HERO — Article header layout (Image 1)
   ============================================================ */
.hero-wrapper {
  border-bottom: var(--rule);
}

.hero-inner {
  padding-top: 1rem;
  /* Closer to navbar */
  padding-bottom: 4rem;
}

/* Date / category stamp */
.hero-top-bar {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
}

.date-stamp {
  display: inline-block;
  font-size: 0.6rem;
  /* Slightly smaller since it's now a secondary line */
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  /* Lighter color to contrast with weather */
  border: none;
  /* Removed border for a cleaner look */
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
}

/* Weather container */
.weather {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 1rem;
  color: var(--sage-mid);
  font-family: 'JetBrains Mono', monospace;
}

.weather-icon {
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  stroke-width: 2px;
  color: var(--sage-mid);
}


/* Large headline */
.article-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em; /* Tightened for premium feel */
  color: var(--sage-mid);
  width: 100%;
  max-width: 22ch; /* Improved readability line-length */
  margin-bottom: 1.5rem;
}

/* Separator line */
.hero-separator {
  border: none;
  border-top: var(--rule);
  margin: 0 0 2.5rem 0;
}

.hero-intro-tags {
  margin-top: 1.5rem;
}

.article-byline {
  display: none;
  /* Hidden as per request */
}

.byline-author {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.byline-label {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.byline-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
}

.byline-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-left: auto;
}

/* Two-column article body */
.article-body-top {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 3rem;
  align-items: start;
}

.article-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.article-intro-text p {
  font-size: 1rem;
  color: var(--ink-mid);
  line-height: 1.8;
  margin-bottom: 1.15rem;
}

.article-intro-text p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   ABOUT — Sidebar + long-form body (Image 1)
   ============================================================ */
.about {
  padding: var(--section-v) 0;
  background-color: var(--paper);
}

.about-layout {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 2rem;
  align-items: start;
}

/* Sidebar nav */
.sidebar-nav ul {
  list-style: none;
}

.sidebar-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--ink-mid);
  padding: 0.95rem 0;
  border-bottom: var(--rule);
  cursor: pointer;
  transition: color 0.2s ease;
}

.sidebar-item:first-child {
  border-top: var(--rule);
}

.sidebar-item.active,
.sidebar-item:hover {
  color: var(--ink);
}

.sidebar-item.active {
  font-weight: 500;
}

.sidebar-arrow {
  font-size: 0.75rem;
  color: var(--ink-faint);
  transition: transform 0.2s ease;
}

.sidebar-item:hover .sidebar-arrow {
  transform: translateX(4px);
}

/* Main text area */
.about-body-text {
  font-size: 0.95rem;
  color: var(--ink-mid);
  line-height: 1.82;
  margin-bottom: 1.5rem;
  max-width: 66ch;
}

.pull-quote {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-style: italic;
  line-height: 1.45;
  color: var(--ink);
  border-left: 3px solid var(--sage-mid);
  padding: 0.5rem 0 0.5rem 1.6rem;
  margin: 2.5rem 0;
  max-width: 56ch;
}

/* Tab Content Visibility with Smooth Transitions */
.about-tab-content {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-subheading {
  font-family: var(--font-body);
  font-size: var(--font-size-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 2.25rem 0 0.65rem;
}

.about-list {
  list-style: none;
  counter-reset: about-counter;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 1rem;
}

.about-list li {
  counter-increment: about-counter;
  display: flex;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--ink-mid);
  line-height: 1.65;
}

.about-list li::before {
  content: counter(about-counter) ".";
  font-weight: 600;
  color: var(--sage-mid);
  flex-shrink: 0;
  min-width: 1.4em;
}

/* ============================================================
   PROJECTS — Card grid (Image 2)
   ============================================================ */
.projects {
  padding: var(--section-v) 0;
  border-top: var(--rule);
}

.projects-header {
  display: block;
  margin-bottom: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: var(--rule);
}

.projects-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  gap: 2rem;
}

.projects-title {
  font-family: var(--font-display);
  font-size: var(--font-size-h2);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
}

.projects-subtitle {
  font-size: 1.05rem;
  color: var(--ink-mid);
  line-height: 1.7;
  max-width: 70ch;
  margin: 0;
}

/* 3-column grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 1.75rem;
}

.project-card {
  display: flex;
  flex-direction: column;
}

/* Image block */
.card-image-wrap {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: 1rem;
  background-color: #e8eae0;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}

.project-card:hover .card-image-wrap img {
  transform: scale(1.04);
}

/* Tags overlaid on image */
.card-image-overlay {
  position: absolute;
  bottom: 0.7rem;
  left: 0.7rem;
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

/* Card text body */
.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.card-title a {
  color: var(--sage-mid);
  transition: opacity 0.2s ease;
}

.project-card:hover .card-title a {
  color: var(--sage-mid);
}

.card-desc {
  font-size: 0.82rem;
  color: var(--ink-mid);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 0.9rem;
}

.card-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: var(--rule);
}

.card-year {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.card-read-link {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
  transition: color 0.2s ease;
}

.card-read-link:hover {
  color: var(--sage-mid);
}

.projects-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  margin-top: 0.5rem;
  border-top: var(--rule);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* ============================================================
   FOOTER — Dark forest green (Image 2)
   ============================================================ */
.footer {
  background-color: var(--forest);
  color: #ffffff;
}

/* ---- CTA block ---- */
.footer-cta-block {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--forest-sep);
}

.footer-cta-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--paper);
  margin-bottom: 2rem;
}

.footer-btn {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--sage-pill-bg);
  color: var(--sage-pill-text);
  padding: 0.85rem 1.75rem;
  border-radius: 100px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.footer-btn:hover {
  background-color: #ffffff;
  transform: translateY(-2px);
}

/* Checkerboard corner decorations (Image 2) */
.footer-checker {
  position: absolute;
  width: 80px;
  height: 80px;
  background-image: conic-gradient(rgba(200, 214, 164, 0.3) 90deg,
      transparent 90deg 180deg,
      rgba(200, 214, 164, 0.3) 180deg 270deg,
      transparent 270deg);
  background-size: 16px 16px;
}

.footer-checker--tl {
  top: 0;
  left: 0;
}

.footer-checker--tr {
  top: 0;
  right: 0;
}

/* ---- Links grid ---- */
.footer-links-block {
  padding: 3rem 0;
  border-bottom: 1px solid var(--forest-sep);
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-col-heading {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #ffffff;
}

/* ---- Bottom bar ---- */
.footer-bottom-bar {
  padding: 1.25rem 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  font-family: var(--font-brand);
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom-inner>span {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.04em;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card.fade-in:nth-child(2) {
  transition-delay: 0.1s;
}

.project-card.fade-in:nth-child(3) {
  transition-delay: 0.2s;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --gutter: 36px;
  }

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

@media (max-width: 860px) {
  :root {
    --gutter: 20px;
    --section-v: 60px;
  }

  /* Nav — hide center links */
  .nav-links {
    display: none;
  }

  /* Hero — stack */
  .article-body-top {
    grid-template-columns: 1fr;
  }

  .article-image img {
    aspect-ratio: 4 / 3;
    max-height: 420px;
  }

  .byline-tags {
    margin-left: 0;
  }

  /* About — hide sidebar on mobile */
  .about-layout {
    grid-template-columns: 1fr;
  }

  .about-sidebar {
    display: none;
  }

  /* Projects — single column */
  .project-grid {
    grid-template-columns: 1fr;
  }

  .projects-header {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* Footer */
  .footer-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .article-title {
    font-size: 1.7rem;
  }

  .pull-quote {
    font-size: 1.15rem;
  }

  .footer-cta-headline {
    font-size: 1.9rem;
  }

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

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  /* Mobile Navbar Refinement */
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.65rem var(--gutter);
    gap: 0.5rem;
  }

  .nav-left {
    flex: 1;
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    padding: 0;
    width: auto;
    flex-direction: row;
  }

  .nav-links {
    display: none;
  }

  .weather {
    font-size: 0.65rem;
  }

  .weather-label {
    display: none;
  }

  .theme-toggle {
    margin: 0;
    padding: 0.25rem;
  }

  .burger-menu {
    display: flex;
    margin-left: 0.25rem;
  }

  /* Remove the date stamp row */
  .nav-right::before {
    display: none;
  }
}

/* ============================================================
   BACK TO TOP BUTTON
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background-color: var(--ink);
  color: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--sage-mid);
  transform: translateY(-3px);
}

@media (max-width: 860px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 38px;
    height: 38px;
  }
}

/* ============================================================
   CASE STUDY PAGES (/work/)
   ============================================================ */

/* Breadcrumb bar */
.cs-breadcrumb-bar {
  border-bottom: var(--rule);
  padding: 0.85rem 0;
  margin-bottom: 3.5rem;
}

.breadcrumb {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.breadcrumb a {
  color: var(--ink-mid);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--ink);
}

.breadcrumb span {
  color: var(--sage-mid);
}

.hero-date-under {
  margin-bottom: 2.5rem;
}

/* Overview stats bar */
.overview-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: var(--rule);
  border-top: var(--rule);
  padding: 0.5rem 0;
  /* 8px equivalent roughly */
}

.overview-item {
  padding: 1.25rem 1rem;
  /* 16px horizontal padding */
  border-right: var(--rule);
}

.overview-item:last-child {
  border-right: none;
}

.overview-label {
  display: block;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.4rem;
}

.overview-value {
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 400;
  line-height: 1.5;
}

/* Alternating content sections */
.cs-section {
  border-top: var(--rule);
  padding: var(--section-v) 0;
}

.cs-section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.cs-section-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.85rem;
}

.cs-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--sage-mid);
}

.cs-section-text p {
  font-size: 0.92rem;
  color: var(--ink-mid);
  line-height: 1.82;
  margin-bottom: 1rem;
}

.cs-section-text p:last-child {
  margin-bottom: 0;
}

.cs-section-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: flex-start;
}

.cs-section-images>img,
.cs-section-images>.cs-figure {
  width: 100%;
}

.cs-section-images-vertical {
  display: flex;
  flex-direction: column;
  gap: 3.5rem; /* Increased for better rhythmic separation */
  max-width: 580px; /* Constrain wide-screen scaling */
  margin-left: auto;
}

.cs-section-images:not(.cs-section-images-vertical) {
  max-width: 800px; /* Constrain for side-by-side layout */
  margin-left: auto;
}

.cs-image-row {
  display: block;
}

.cs-image-row--two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

flex-direction: column;
}

.cs-figure {
  width: 100%;
  background-color: var(--paper);
  padding: 0.75rem; /* 'Matte' frame for consistent container size */
  border: var(--sage-border);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.5s ease;
}

.cs-figure img {
  width: 100% !important;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: 2px;
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-figure figcaption {
  font-size: 0.65rem;
  color: var(--ink-faint);
  margin-top: 0.9rem;
  font-family: 'JetBrains Mono', monospace;
  text-align: left;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  display: flex;
  align-items: flex-start;
}

.cs-figure figcaption::before {
  content: "—";
  margin-right: 0.6rem;
  color: var(--sage-mid);
  flex-shrink: 0;
}

/* Removed hover elevation per request */

@media (max-width: 860px) {
  .cs-section-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .cs-section-images {
    grid-template-columns: 1fr; /* Stack side-by-side images on mobile */
    max-width: 100%;
  }

  .cs-section-images-vertical {
    max-width: 100%;
    gap: 2rem;
  }

  .cs-figure {
    padding: 0.5rem; /* Tighter padding on mobile */
  }
}

@media (max-width: 520px) {
  .cs-section-images {
    grid-template-columns: 1fr;
  }
}

/* Next project CTA */
.next-project {
  padding: var(--section-v) 0;
  background-color: var(--paper);
  border-top: var(--rule);
}

.next-project a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.next-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.75rem;
}

.next-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--sage-mid);
  transition: color 0.2s ease;
}

.next-arrow {
  font-size: 3.5rem;
  color: var(--ink-faint);
  transition: transform 0.3s ease, color 0.2s ease;
  flex-shrink: 0;
}

.next-project a:hover .next-title {
  color: var(--sage-mid);
}

.next-project a:hover .next-arrow {
  transform: translateX(14px);
  color: var(--sage-mid);
}

/* ============================================================
   BLOG PREVIEW SECTION (on index.html)
   ============================================================ */

.blog-preview {
  padding: var(--section-v) 0;
  border-top: var(--rule);
}

.blog-preview-header {
  margin-bottom: 3rem;
}

.blog-preview-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0.75rem 0 0.5rem;
}

.blog-preview-header p {
  font-size: 0.88rem;
  color: var(--ink-mid);
  line-height: 1.7;
  max-width: 52ch;
}

/* Featured card: horizontal layout */
.blog-featured {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-bottom: 3rem;
  border-bottom: var(--rule);
  margin-bottom: 2.5rem;
}

.blog-featured-image {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--paper);
}

.blog-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.blog-featured:hover .blog-featured-image img {
  transform: scale(1.03);
}

.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.blog-date {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.blog-featured-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.blog-featured-title a {
  color: var(--ink);
  transition: color 0.2s ease;
}

.blog-featured-title a:hover {
  color: var(--sage-mid);
}

.blog-featured-excerpt {
  font-size: 0.88rem;
  color: var(--ink-mid);
  line-height: 1.78;
  margin-bottom: 1.5rem;
}

/* Two-column mini cards */
.blog-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.blog-mini-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.25rem;
  align-items: start;
}

.blog-mini-image {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--paper);
  flex-shrink: 0;
}

.blog-mini-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-mini-card:hover .blog-mini-image img {}

.blog-mini-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.blog-mini-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.4rem;
  transition: color 0.2s ease;
}

.blog-mini-card:hover .blog-mini-title {
  color: var(--sage-mid);
}

.blog-mini-excerpt {
  font-size: 0.78rem;
  color: var(--ink-mid);
  line-height: 1.65;
}

.blog-view-all {
  display: flex;
  justify-content: flex-end;
  margin-top: 2.5rem;
}

.blog-view-all-link {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.15rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.blog-view-all-link:hover {
  color: var(--sage-mid);
  border-color: var(--sage-mid);
}

/* ============================================================
   BLOG LISTING PAGE (/blog/index.html)
   ============================================================ */

.blog-page-hero {
  border-bottom: var(--rule);
  padding: 3rem 0;
}

.blog-page-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 820px;
  margin: 1rem 0 0.75rem;
}

.blog-page-subtitle {
  font-size: 0.92rem;
  color: var(--ink-mid);
  max-width: 52ch;
  line-height: 1.7;
}

/* Category filter */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 0;
  border-bottom: var(--rule);
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(26, 26, 26, 0.18);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--ink);
  border-color: rgba(26, 26, 26, 0.4);
}

.filter-btn.active {
  background-color: var(--sage-pill-bg);
  border-color: transparent;
  color: var(--sage-pill-text);
}

/* Blog article card grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
  margin-bottom: 4rem;
}

.blog-card[data-category] {
  transition: opacity 0.3s ease;
}

.blog-card.hidden {
  display: none;
}

.blog-card-image {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: 1rem;
  background-color: var(--paper);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.04);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.5rem;
  transition: color 0.2s ease;
}

.blog-card:hover .blog-card-title {
  color: var(--sage-mid);
}

.blog-card-excerpt {
  font-size: 0.82rem;
  color: var(--ink-mid);
  line-height: 1.72;
  flex: 1;
  margin-bottom: 0.9rem;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  border-top: var(--rule);
}

.blog-card-read-time {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

.blog-card-link {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
  transition: color 0.2s ease;
}

.blog-card-link:hover {
  color: var(--sage-mid);
}

.blog-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-top: var(--rule);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* ============================================================
   BLOG ARTICLE PAGE (/blog/*.html)
   ============================================================ */

.article-page-hero {
  border-bottom: var(--rule);
}

.article-read-time {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-left: auto;
}

.article-page-cover {
  max-width: var(--max-width);
  margin: 3rem auto 0;
  padding: 0 var(--gutter);
}

.article-page-cover img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: 2px;
  border: var(--sage-border);
  box-shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.08);
}

.article-prose {
  max-width: 700px;
  margin: 0 auto;
  padding: 4rem var(--gutter) var(--section-v);
}

.article-prose p {
  font-size: 1rem;
  color: var(--ink-mid);
  line-height: 1.88;
  margin-bottom: 1.4rem;
}

.article-prose h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 3rem 0 1rem;
}

.article-prose h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin: 2rem 0 0.5rem;
}

.article-prose blockquote {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.45;
  color: var(--ink);
  border-left: 3px solid var(--sage-mid);
  padding: 0.5rem 0 0.5rem 1.6rem;
  margin: 2.5rem 0;
}

.article-prose ul,
.article-prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}

.article-prose li {
  font-size: 1rem;
  color: var(--ink-mid);
  line-height: 1.78;
  margin-bottom: 0.35rem;
}

.article-figure {
  margin: 2.5rem 0;
}

.article-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: 2px;
  border: var(--sage-border);
  box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.05);
}

.article-figure figcaption {
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.9rem;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: flex-start;
}

.article-figure figcaption::before {
  content: "—";
  margin-right: 0.6rem;
  color: var(--sage-mid);
  flex-shrink: 0;
}

/* More articles row at bottom */
.more-articles {
  padding: var(--section-v) 0;
  border-top: var(--rule);
  background-color: var(--paper);
}

.more-articles-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 2rem;
  display: block;
}

.more-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

/* ============================================================
   RESPONSIVE — new components
   ============================================================ */

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .overview-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .overview-item:nth-child(2) {
    border-right: none;
  }

  .cs-section-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cs-section-image {
    order: -1;
  }

  .next-project a {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .blog-featured {
    grid-template-columns: 1fr;
  }

  .blog-mini-grid {
    grid-template-columns: 1fr;
  }

  .more-articles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-mini-card {
    grid-template-columns: 1fr;
  }
}

/* About Section Responsiveness */
@media (max-width: 1100px) {
  .tab-with-image {
    flex-direction: column-reverse;
    /* Put image on top when stacking */
    gap: 2rem;
  }

  .tab-image {
    flex: 0 0 auto;
    width: 100%;
    position: static;
  }
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-sidebar {
    position: static;
    width: 100%;
  }

  .sidebar-nav ul {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    border-bottom: var(--rule);
  }

  .sidebar-item {
    border: none;
    padding: 0.5rem 0;
    white-space: nowrap;
  }

  .sidebar-arrow {
    display: none;
  }
}

.blurred-image {
  filter: blur(1px);
  transition: filter 0.3s ease;
}

/* ===================== LIGHTBOX ===================== */
.is-project-page .cs-figure img,
.is-project-page .article-image img {
  cursor: pointer;
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  padding: 20px;
  backdrop-filter: blur(8px);
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 0 40px rgba(0,0,0,0.5);
}

.lightbox-content img.blurred-image {
  filter: blur(2px);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.lightbox-close:hover {
  color: var(--sage);
}sage);
}