:root {
  color-scheme: light;
  --ink: #15202b;
  --ink-soft: #3d4f5f;
  --mist: #e7eef5;
  --paper: #f5f8fb;
  --line: rgba(21, 32, 43, 0.12);
  --accent: #0b6e6e;
  --accent-deep: #084f4f;
  --copper: #b85c38;
  --glow: rgba(11, 110, 110, 0.18);
  --header-bg: rgba(245, 248, 251, 0.82);
  --card-bg: rgba(255, 255, 255, 0.68);
  --card-bg-hover: rgba(255, 255, 255, 0.88);
  --card-border-hover: rgba(11, 110, 110, 0.35);
  --card-shadow: rgba(21, 32, 43, 0.05);
  --reader-bg: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(245, 248, 251, 0.88) 100%
  );
  --reader-shadow: rgba(21, 32, 43, 0.05);
  --code-bg: rgba(21, 32, 43, 0.04);
  --code-inline-bg: rgba(11, 110, 110, 0.08);
  --hero-shadow: rgba(21, 32, 43, 0.08);
  --wash-teal: rgba(11, 110, 110, 0.16);
  --wash-copper: rgba(184, 92, 56, 0.12);
  --wash-top: #dce7f0;
  --wash-bottom: #eef3f7;
  --max: 1120px;
  --font-display: "DM Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-ui: "DM Sans", system-ui, sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e8eef4;
  --ink-soft: #9aadbd;
  --mist: #1a2430;
  --paper: #121a22;
  --line: rgba(232, 238, 244, 0.12);
  --accent: #3db8b8;
  --accent-deep: #6fd4d4;
  --copper: #d4845f;
  --glow: rgba(61, 184, 184, 0.22);
  --header-bg: rgba(18, 26, 34, 0.86);
  --card-bg: rgba(26, 36, 48, 0.72);
  --card-bg-hover: rgba(32, 44, 58, 0.9);
  --card-border-hover: rgba(61, 184, 184, 0.4);
  --card-shadow: rgba(0, 0, 0, 0.22);
  --reader-bg: linear-gradient(
    180deg,
    rgba(26, 36, 48, 0.92) 0%,
    rgba(18, 26, 34, 0.9) 100%
  );
  --reader-shadow: rgba(0, 0, 0, 0.28);
  --code-bg: rgba(0, 0, 0, 0.28);
  --code-inline-bg: rgba(61, 184, 184, 0.14);
  --hero-shadow: rgba(0, 0, 0, 0.35);
  --wash-teal: rgba(61, 184, 184, 0.14);
  --wash-copper: rgba(212, 132, 95, 0.1);
  --wash-top: #0e151c;
  --wash-bottom: #15202b;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  font-optical-sizing: auto;
  background:
    radial-gradient(1200px 600px at 85% -10%, var(--wash-teal), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, var(--wash-copper), transparent 50%),
    linear-gradient(180deg, var(--wash-top) 0%, var(--paper) 42%, var(--wash-bottom) 100%);
  background-attachment: fixed;
}

body.home {
  --hero-focus-x: 18%;
  background-color: var(--paper);
  background-image:
    /* Soft theme-aware wash — art remains visible, type stays readable */
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--paper) 96%, transparent) 0%,
      color-mix(in srgb, var(--paper) 94%, transparent) 40%,
      color-mix(in srgb, var(--paper) 91%, transparent) 70%,
      color-mix(in srgb, var(--paper) 86%, transparent) 90%,
      color-mix(in srgb, var(--paper) 80%, transparent) 100%
    ),
    url("../assets/hero.png");
  background-repeat: no-repeat;
  /* Focus X shifts with viewport so WRITE (bottom-left) stays in frame */
  background-position: var(--hero-focus-x) bottom;
  background-size: cover;
  background-attachment: fixed;
}

/* Wider viewports can open up toward the full scene */
@media (min-width: 1200px) {
  body.home {
    --hero-focus-x: 28%;
  }
}

@media (min-width: 1440px) {
  body.home {
    --hero-focus-x: 50%;
  }
}

/* As cover crops the sides, pull focus toward WRITE */
@media (max-width: 1100px) {
  body.home {
    --hero-focus-x: 6%;
  }
}

@media (max-width: 900px) {
  body.home {
    --hero-focus-x: 0%;
  }
}

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

a {
  color: var(--accent-deep);
  text-underline-offset: 0.18em;
}

p {
  overflow-wrap: break-word;
  text-wrap: wrap;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: 0.9rem 1.5rem;
  backdrop-filter: blur(14px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
}

.header-start {
  display: flex;
  align-items: center;
  gap: 1rem 1.5rem;
  min-width: 0;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-left: auto;
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card-bg);
  color: var(--ink);
  cursor: pointer;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
}

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

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

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

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

.nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.92rem;
}

.nav--meta {
  justify-content: flex-end;
}

/* Mid widths: tighten chrome before the header needs to stack */
@media (max-width: 1100px) {
  .site-header {
    gap: 0.75rem 1rem;
    padding: 0.8rem 1.15rem;
  }

  .header-start,
  .header-tools {
    gap: 0.75rem 1rem;
  }

  .nav {
    gap: 0.9rem;
    font-size: 0.88rem;
  }
}

/*
  Narrow: brand + theme on row 1; all nav links share one wrapping row
  (avoids primary/meta wrapping independently with a hole in the middle).
*/
@media (max-width: 860px) {
  .site-header {
    flex-wrap: wrap;
    align-items: center;
    column-gap: 0.75rem;
    row-gap: 0.55rem;
    padding: 0.75rem 1rem;
  }

  .header-start,
  .header-tools,
  .nav--primary,
  .nav--meta {
    display: contents;
  }

  .brand {
    order: 1;
    font-size: 1rem;
  }

  .theme-toggle {
    order: 1;
    margin-left: auto;
    flex-shrink: 0;
  }

  /* Force nav links onto the next row as one group */
  .site-header::after {
    content: "";
    order: 2;
    flex-basis: 100%;
    height: 0;
  }

  .site-header a:not(.brand) {
    order: 3;
    font-family: var(--font-ui);
    font-size: 0.88rem;
  }
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  display: grid;
  justify-items: center;
  padding: 1.15rem 0 1.5rem;
}

.hero-visual {
  display: none;
}

.hero-inner {
  position: relative;
  isolation: isolate;
  width: min(var(--max), calc(100% - 3rem));
  margin: 0 auto;
  padding: 0;
  max-width: 36rem;
  text-align: center;
  opacity: 0;
  animation: rise 0.85s ease forwards 0.08s;
}

/* Soft local wash behind hero copy — not a hard panel */
.hero-inner::before {
  content: "";
  position: absolute;
  inset: -1.25rem -2.5rem;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 72% 68% at 50% 42%,
    color-mix(in srgb, var(--paper) 78%, transparent) 0%,
    color-mix(in srgb, var(--paper) 42%, transparent) 52%,
    transparent 74%
  );
}

.hero h1 {
  margin: 0 auto 0.7rem;
  max-width: 16em;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.6vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--ink);
  text-wrap: balance;
  text-shadow:
    0 1px 0 color-mix(in srgb, var(--paper) 92%, transparent),
    0 0 20px color-mix(in srgb, var(--paper) 88%, transparent),
    0 2px 28px color-mix(in srgb, var(--paper) 70%, transparent);
}

.hero-lead {
  margin: 0 auto;
  max-width: 36em;
  color: var(--ink-soft);
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.55;
  text-align: center;
  text-wrap: balance;
  text-shadow:
    0 1px 0 color-mix(in srgb, var(--paper) 88%, transparent),
    0 0 16px color-mix(in srgb, var(--paper) 78%, transparent);
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.92;
  margin: 0 0 1.25rem;
}

.hero-brand em {
  font-style: normal;
  color: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  animation: rise 0.9s ease forwards 0.55s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--ink);
  color: #f7fafc;
}

.btn-primary:hover {
  background: var(--accent-deep);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

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

main {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.35rem 0 2.5rem;
}

.section {
  margin-bottom: 2.25rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.is-visible {
  opacity: 1;
  transform: none;
}

body.home #featured {
  padding: 1.35rem 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--card-bg) 72%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--card-shadow);
}

.section-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.section-lead {
  max-width: none;
  margin: 0 0 1.15rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Option 3 text treatments over the home backdrop */
body.home .section h2 {
  font-weight: 700;
  text-shadow:
    0 1px 0 color-mix(in srgb, var(--paper) 90%, transparent),
    0 0 18px color-mix(in srgb, var(--paper) 82%, transparent),
    0 2px 24px color-mix(in srgb, var(--paper) 65%, transparent);
}

body.home .section-lead,
body.home .section-footer {
  font-weight: 500;
  text-shadow:
    0 1px 0 color-mix(in srgb, var(--paper) 86%, transparent),
    0 0 14px color-mix(in srgb, var(--paper) 72%, transparent);
}

.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

.card-grid > li {
  display: flex;
  min-height: 100%;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--card-bg);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 0 var(--card-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease,
    background 200ms ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--card-border-hover);
  background: var(--card-bg-hover);
  box-shadow: 0 10px 28px var(--glow);
}

.card--project {
  position: relative;
  padding: 0;
  overflow: hidden;
}

.card-stretch-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.card-stretch-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.card--project .card-title,
.card--project .card-desc,
.card--project .card-more {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.card--project .card-title {
  margin: 1rem 0 0;
  font-size: 1.15rem;
}

.card-more {
  position: relative;
  z-index: 2;
  margin-top: 0.1rem;
  margin-bottom: 1.15rem;
  pointer-events: none;
}

.card-more p {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.5;
}

.card-more ul {
  margin: 0.45rem 0 0;
  padding-left: 1.15rem;
  list-style: disc;
}

.card-more li {
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.5;
}

.card-related-label {
  margin: 1.15rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-deep);
}

.card-related {
  margin: 0.45rem 0 0;
  padding-left: 1.15rem;
  list-style: disc;
}

.card-related a,
.card-more a {
  pointer-events: auto;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.card-related a:hover,
.card-more a:hover {
  color: var(--copper);
}

.card-media {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(11, 110, 110, 0.12), rgba(184, 92, 56, 0.1)),
    repeating-linear-gradient(
      -45deg,
      rgba(21, 32, 43, 0.03),
      rgba(21, 32, 43, 0.03) 8px,
      transparent 8px,
      transparent 16px
    ),
    var(--mist);
  border-bottom: 1px solid var(--line);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Light illustration art — fills media, theme-aware surround */
.card-media--art {
  place-items: stretch;
  padding: 0;
  background: color-mix(in srgb, var(--mist) 70%, var(--paper));
}

.card-media--art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: filter 180ms ease, opacity 180ms ease;
}

html[data-theme="dark"] .card-media--art {
  background: color-mix(in srgb, var(--mist) 85%, #0b1218);
}

html[data-theme="dark"] .card-media--art:not(.card-media--themed) img {
  /* Soften bright illustration so it sits on dark cards */
  filter: brightness(0.78) saturate(0.92) contrast(1.04);
  opacity: 0.94;
}

/* Pair of screenshots swapped by site theme */
.card-media--themed {
  position: relative;
}

.card-media--themed .card-media-img--dark {
  display: none;
}

html[data-theme="dark"] .card-media--themed .card-media-img--light {
  display: none;
}

html[data-theme="dark"] .card-media--themed .card-media-img--dark {
  display: block;
}

.card-media--themed img {
  object-position: top center;
  filter: none;
  opacity: 1;
}

.card-media--ikigai {
  place-items: stretch;
  padding: 0.35rem 0.45rem;
  background:
    radial-gradient(
      circle at 50% 45%,
      color-mix(in srgb, var(--paper) 35%, transparent),
      transparent 65%
    ),
    color-mix(in srgb, var(--mist) 88%, var(--paper));
}

.card-ikigai {
  width: 100%;
  height: 100%;
  display: block;
}

.card-ikigai .ikigai-c {
  opacity: 0.78;
}

.card-ikigai .ikigai-c--love {
  fill: #b8c5d0;
}

.card-ikigai .ikigai-c--world,
.card-ikigai .ikigai-c--great {
  fill: #ffb4a8;
}

.card-ikigai .ikigai-c--paid {
  fill: #c5c5c5;
}

.card-ikigai .ikigai-c--purpose {
  fill: #f4c542;
  stroke: #d4a017;
  stroke-width: 2;
  opacity: 0.95;
}

.card-ikigai .ikigai-label {
  fill: var(--ink);
  font-family: var(--font-ui), system-ui, sans-serif;
}

html[data-theme="dark"] .card-media--ikigai {
  background:
    radial-gradient(
      circle at 50% 45%,
      color-mix(in srgb, var(--accent) 12%, transparent),
      transparent 70%
    ),
    color-mix(in srgb, var(--mist) 92%, #0b1218);
}

html[data-theme="dark"] .card-ikigai .ikigai-c--love {
  fill: #6d8296;
}

html[data-theme="dark"] .card-ikigai .ikigai-c--world,
html[data-theme="dark"] .card-ikigai .ikigai-c--great {
  fill: #c47a6e;
}

html[data-theme="dark"] .card-ikigai .ikigai-c--paid {
  fill: #7a858f;
}

html[data-theme="dark"] .card-ikigai .ikigai-c--purpose {
  fill: #e0b43a;
  stroke: #c4921c;
}

html[data-theme="dark"] .card-ikigai .ikigai-label {
  fill: var(--ink);
}

.card-media-label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.card-spotlight {
  margin: 0 0 1rem;
  padding: 1.75rem 1.6rem;
  gap: 0.75rem;
}

.card-spotlight .card-title {
  font-size: clamp(1.45rem, 2.8vw, 1.85rem);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}

.card-title a {
  color: inherit;
  text-decoration: none;
}

.card-title a:hover {
  color: var(--accent-deep);
}

.card-meta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.card-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.5;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin-top: 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 600;
}

.card-actions a {
  text-decoration: none;
}

.card-actions a:hover {
  color: var(--copper);
}

.card-link-secondary {
  color: var(--ink-soft);
  font-weight: 500;
}

a.card .card-desc {
  flex: 1;
}

.section-footer {
  margin-top: 1.25rem;
  font-family: var(--font-ui);
}

.project-list,
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.project-list li,
.post-list li {
  border-bottom: 1px solid var(--line);
}

.project-list a,
.post-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  padding: 1.2rem 0.15rem;
  text-decoration: none;
  color: inherit;
  transition: padding-left 200ms ease, background 200ms ease;
}

.project-list a:hover,
.post-list a:hover {
  padding-left: 0.55rem;
  background: linear-gradient(90deg, var(--glow), transparent 55%);
}

.item-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.item-meta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.item-desc {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.project-entry {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 1.5rem;
  align-items: baseline;
  padding: 1.2rem 0.15rem;
}

.project-entry .item-title {
  text-decoration: none;
  color: inherit;
}

.project-entry .item-title:hover {
  color: var(--accent-deep);
}

.project-entry .item-desc {
  grid-column: 1 / -1;
}

.project-entry .item-source {
  grid-column: 1 / -1;
  font-family: var(--font-ui);
  font-size: 0.88rem;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.85fr) minmax(0, 1.4fr);
  gap: 2.5rem 3rem;
  align-items: start;
}

.blog-toc {
  position: sticky;
  top: 5rem;
  padding-bottom: 1rem;
}

.blog-toc h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.blog-toc h3 {
  margin: 1.5rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.blog-toc h3:first-of-type {
  margin-top: 0;
}

.blog-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.blog-toc a {
  display: inline;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.4;
  text-decoration: none;
}

.blog-toc a:hover,
.blog-toc a.is-active {
  color: var(--accent-deep);
}

.blog-toc a.is-active {
  font-weight: 650;
}

.blog-toc em {
  font-style: italic;
}

.blog-reader {
  min-width: 0;
  min-height: 50vh;
}

.blog-reader .prose,
.blog-reader#blog-article,
#blog-article.prose {
  max-width: none;
  padding: 1.5rem 1.6rem 2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--reader-bg);
  box-shadow: 0 10px 28px var(--reader-shadow);
}

.blog-reader-empty {
  margin: 0;
  color: var(--ink-soft);
}

/* In-post collapsible TOC (not the left "All posts" rail) */
.post-toc {
  margin: 0 0 1.5rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: color-mix(in srgb, var(--reader-bg) 88%, var(--ink) 4%);
  font-family: var(--font-ui);
}

.post-toc > summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.01em;
  user-select: none;
}

.post-toc > summary::-webkit-details-marker {
  display: none;
}

.post-toc > summary::before {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 0.45em;
  margin-right: 0.55em;
  border-right: 1.5px solid var(--ink-soft);
  border-bottom: 1.5px solid var(--ink-soft);
  transform: rotate(-45deg) translateY(-0.1em);
  transition: transform 0.15s ease;
  vertical-align: middle;
}

.post-toc[open] > summary::before {
  transform: rotate(45deg) translateY(-0.15em);
}

.post-toc nav {
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
}

.post-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-toc__item {
  margin: 0;
}

.post-toc__item a {
  display: block;
  padding: 0.28rem 0;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--ink-soft);
  text-decoration: none;
}

.post-toc__item a:hover,
.post-toc__item a:focus-visible {
  color: var(--accent);
}

.post-toc__item--h3 a {
  padding-left: 0.85rem;
  font-size: 0.86rem;
}

#blog-article .post-toc + h2,
.blog-reader .post-toc + h2 {
  margin-top: 1.25rem;
}

.blog-reader .page-hero {
  padding: 0 0 1.1rem;
}

.blog-reader .page-hero h1,
.blog-reader .post-header h1 {
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

/* Scale in-post type relative to the reduced post title */
.blog-reader.prose,
.blog-reader #blog-article,
#blog-article.prose {
  font-size: 1rem;
  line-height: 1.65;
}

.blog-reader h2,
#blog-article h2 {
  margin-top: 1.75rem;
  margin-bottom: 0.55rem;
  font-size: clamp(1.15rem, 2vw, 1.3rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.3;
  scroll-margin-top: 5.5rem;
}

.blog-reader h3,
#blog-article h3 {
  margin-top: 1.4rem;
  margin-bottom: 0.4rem;
  font-size: clamp(1.02rem, 1.7vw, 1.12rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.35;
  scroll-margin-top: 5.5rem;
}

.blog-reader h4,
#blog-article h4 {
  margin-top: 1.2rem;
  font-size: 1rem;
  font-weight: 650;
}

.blog-reader p,
.blog-reader li,
#blog-article p,
#blog-article li {
  font-size: 0.98rem;
  line-height: 1.65;
}

.blog-reader .post-header time,
#blog-article .post-header time {
  font-size: 0.85rem;
}

.page-hero {
  padding: 3.5rem 0 1.5rem;
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.6vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.page-hero h1:last-child {
  margin-bottom: 0;
}

.page-hero p {
  max-width: none;
  margin: 0;
  color: var(--ink-soft);
}

.prose {
  max-width: 65ch;
}

.prose h2,
.prose h3 {
  margin-top: 2.25rem;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.prose h3 {
  margin-top: 1.75rem;
  font-size: 1.2rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose strong {
  color: var(--ink);
}

.prose img {
  width: 100%;
  height: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--line);
}

.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.15rem 0 0.15rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
}

.prose pre {
  overflow-x: auto;
  margin: 1.25rem 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--code-bg);
  font-size: 0.9rem;
  line-height: 1.5;
}

.prose code {
  font-family: "DM Mono", ui-monospace, Consolas, monospace;
  font-size: 0.9em;
}

.prose :not(pre) > code {
  padding: 0.1em 0.35em;
  background: var(--code-inline-bg);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-family: var(--font-ui);
  font-size: 0.92rem;
}

.prose th,
.prose td {
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.prose th {
  color: var(--ink);
  font-weight: 600;
}

.prose .post-back {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
}

.skill-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.skill-list > div {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 720px) {
  .skill-list > div {
    grid-template-columns: minmax(12rem, 0.9fr) 1.4fr;
    gap: 1.5rem;
    align-items: baseline;
  }
}

.skill-list dt {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.skill-list dd {
  margin: 0;
  color: var(--ink-soft);
}

.cert-year {
  margin: 1.75rem 0 0.65rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.plain-list li + li {
  margin-top: 0.45rem;
}

.cert-tag {
  display: inline;
  margin-left: 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--copper);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.timeline li {
  display: grid;
  gap: 0.2rem;
  padding: 1rem 0 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid rgba(11, 110, 110, 0.35);
}

.timeline strong {
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.timeline span {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.hobbies-line {
  margin: 0;
  max-width: min(36rem, 100%);
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.post-header {
  margin-bottom: 2rem;
}

.post-header time {
  display: block;
  margin-bottom: 0.65rem;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.site-footer a {
  color: inherit;
}

body.has-site-chrome {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.has-site-chrome > .site-header--embed,
body.has-site-chrome > .site-footer--embed {
  flex-shrink: 0;
}

body.has-site-chrome > :not(.site-header--embed):not(.site-footer--embed) {
  flex: 1 0 auto;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.06) translate3d(-1.5%, -1%, 0);
  }
}

@media (max-width: 640px) {
  /* No hero art on small viewports — match the default page wash */
  body.home {
    background-color: var(--paper);
    background-image:
      radial-gradient(1200px 600px at 85% -10%, var(--wash-teal), transparent 55%),
      radial-gradient(900px 500px at -10% 20%, var(--wash-copper), transparent 50%),
      linear-gradient(180deg, var(--wash-top) 0%, var(--paper) 42%, var(--wash-bottom) 100%);
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: auto;
    background-attachment: fixed;
  }

  .theme-toggle {
    flex-shrink: 0;
  }

  .site-header a:not(.brand) {
    font-size: 0.85rem;
  }

  .hero-inner,
  main {
    width: min(var(--max), calc(100% - 2rem));
  }

  .hero {
    padding: 0.85rem 0 1.15rem;
  }

  .hero h1 {
    font-size: clamp(1.5rem, 6.5vw, 1.95rem);
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  main {
    padding: 0.25rem 0 2.5rem;
  }

  .project-list a,
  .post-list a {
    grid-template-columns: 1fr;
  }

  .blog-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .blog-toc {
    position: static;
    padding-bottom: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.5rem;
  }
}