:root {
  --phi: 1.618;
  --space-base: 1rem;
  --space-2xs: 0.382rem;
  --space-xs: 0.618rem;
  --space-sm: 1rem;
  --space-md: 1.618rem;
  --space-lg: 2.618rem;
  --space-xl: 4.236rem;
  --space-2xl: 6.854rem;
  --radius-sm: 0.618rem;
  --radius-md: 1rem;
  --radius-lg: 1.618rem;
  --content-width: min(88rem, calc(100% - clamp(var(--space-md), 5vw, var(--space-xl))));
  --board-height: min(61.8vh, 38.2rem);
  --paper: #f7f1e5;
  --paper-soft: #fffaf0;
  --ink: #15130f;
  --muted: #716858;
  --line: rgba(21, 19, 15, 0.12);
  --gold: #b38a35;
  --gold-soft: #d4a84b;
  --moss: #53624a;
  --mint: #8fc4a8;
  --rust: #7b2f18;
  --clay: #8a6f60;
  --shadow: 0 18px 50px rgba(60, 43, 18, 0.1);
  --surface-elevated: rgba(255, 250, 240, 0.9);
  --surface-muted: rgba(255, 250, 240, 0.56);
  --surface-button: rgba(255, 250, 240, 0.88);
  --border-soft: rgba(21, 19, 15, 0.09);
  --border-strong: rgba(21, 19, 15, 0.14);
  --card-shadow: rgba(60, 43, 18, 0.06);
  --card-shadow-hover: rgba(60, 43, 18, 0.11);
  --backdrop: rgba(21, 19, 15, 0.28);
  --chip-active-bg: rgba(179, 138, 53, 0.13);
  --chip-active-border: rgba(179, 138, 53, 0.52);
  --tag-bg: rgba(83, 98, 74, 0.1);
  --scrollbar: rgba(21, 19, 15, 0.16);
  --media-bg: rgba(179, 138, 53, 0.08);
  --media-logo-bg: rgba(21, 19, 15, 0.04);
  --dialog-border: rgba(179, 138, 53, 0.32);
  --glow-mint: rgba(143, 196, 168, 0.16);
  --glow-gold: rgba(179, 138, 53, 0.1);
  --shell-line-moss: rgba(83, 98, 74, 0.08);
  --shell-line-gold: rgba(179, 138, 53, 0.06);
  --serif: "Libre Baskerville", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  --paper: #12100d;
  --paper-soft: #1a1712;
  --ink: #f7f1e5;
  --muted: #a89880;
  --line: rgba(247, 241, 229, 0.12);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  --surface-elevated: rgba(26, 23, 18, 0.92);
  --surface-muted: rgba(26, 23, 18, 0.72);
  --surface-button: rgba(26, 23, 18, 0.88);
  --border-soft: rgba(247, 241, 229, 0.08);
  --border-strong: rgba(247, 241, 229, 0.14);
  --card-shadow: rgba(0, 0, 0, 0.24);
  --card-shadow-hover: rgba(0, 0, 0, 0.36);
  --backdrop: rgba(0, 0, 0, 0.62);
  --chip-active-bg: rgba(179, 138, 53, 0.2);
  --chip-active-border: rgba(212, 168, 75, 0.48);
  --tag-bg: rgba(143, 196, 168, 0.12);
  --scrollbar: rgba(247, 241, 229, 0.16);
  --media-bg: rgba(179, 138, 53, 0.12);
  --media-logo-bg: rgba(247, 241, 229, 0.04);
  --dialog-border: rgba(179, 138, 53, 0.38);
  --glow-mint: rgba(143, 196, 168, 0.08);
  --glow-gold: rgba(179, 138, 53, 0.06);
  --shell-line-moss: rgba(143, 196, 168, 0.06);
  --shell-line-gold: rgba(179, 138, 53, 0.05);
  --gold-soft: #e0bc66;
  --mint: #9fd4b8;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(ellipse at 100% 0%, var(--glow-mint), transparent 32rem),
    radial-gradient(ellipse at 0% 100%, var(--glow-gold), transparent 28rem),
    var(--paper);
  transition:
    background-color 220ms ease,
    color 220ms ease;
}

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

button {
  font: inherit;
}

.shell-lines {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.18;
  background:
    linear-gradient(90deg, transparent 0 calc(50% - 0.5px), var(--shell-line-moss) calc(50% - 0.5px) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    linear-gradient(0deg, transparent 0 calc(50% - 0.5px), var(--shell-line-gold) calc(50% - 0.5px) calc(50% + 0.5px), transparent calc(50% + 0.5px));
}

.compass-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  color: var(--moss);
  opacity: 0.16;
}

.compass-backdrop svg {
  display: block;
  width: min(88%, 34rem);
  height: auto;
  transform: rotate(16deg) translateY(8%);
  mask-image: radial-gradient(circle at center, #000 0 42%, transparent 72%);
}

.compass-backdrop .compass-star {
  fill: none;
  stroke: currentColor;
  stroke-width: 0.45;
  stroke-linejoin: round;
}

.site-header,
main,
.site-footer {
  width: var(--content-width);
  margin: 0 auto;
}

.site-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) 0 var(--space-xs);
}

.wordmark,
.site-links,
.project-meta,
.tag-list,
.dialog-meta {
  display: flex;
  align-items: center;
}

.wordmark {
  gap: var(--space-xs);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: 0;
  outline: none;
  box-shadow: none;
  color: inherit;
  line-height: 1;
  cursor: pointer;
  background: transparent;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  appearance: none;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
  border-radius: 0.25rem;
}

.theme-toggle:hover .turtle,
.theme-toggle:focus-visible .turtle {
  color: var(--gold-soft);
  transform: scale(1.06);
}

.theme-toggle .turtle {
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.turtle {
  color: var(--moss);
  font-size: 1.3rem;
  line-height: 1;
}

.site-links {
  gap: var(--space-md);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.site-links a:hover,
.site-links a:focus-visible {
  color: var(--ink);
}

.hero {
  position: relative;
  z-index: 1;
  padding: var(--space-md) 0 var(--space-lg);
}

.hero-copy {
  max-width: min(100%, 38.2em);
}

.hero-copy::before {
  display: block;
  width: calc(var(--space-md) * var(--phi));
  height: 3px;
  margin-bottom: var(--space-md);
  border-radius: 999px;
  content: "";
  background: linear-gradient(90deg, var(--gold), var(--mint));
}

.hero h1 {
  margin: 0 0 var(--space-xs);
  max-width: 13ch;
  font-size: clamp(3.2rem, calc(1.618rem + 7.2vw), 7.4rem);
  line-height: 0.94;
}

.hero-tagline {
  margin: 0;
  max-width: 38ch;
  color: var(--muted);
  font-size: clamp(0.95rem, calc(0.618rem + 0.9vw), 1.35rem);
  font-weight: 600;
  line-height: var(--phi);
  letter-spacing: 0.01em;
  text-wrap: balance;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.06em;
}

h1 {
  margin-bottom: var(--space-xs);
  line-height: 0.94;
}

h2 {
  margin: 0;
  font-size: clamp(1.85rem, calc(1rem + 3.8vw), 3.85rem);
  line-height: 1;
}

.board-section {
  position: relative;
  z-index: 1;
  isolation: isolate;
  padding: 0 0 var(--space-xl);
}

.board-top,
.filter-bar,
.kanban {
  position: relative;
  z-index: 1;
}

.board-top {
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.filter-chip {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 800;
  background: var(--surface-muted);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.filter-chip:hover,
.filter-chip:focus-visible,
.filter-chip.active {
  color: var(--ink);
  border-color: var(--chip-active-border);
  background: var(--chip-active-bg);
  transform: translateY(-1px);
}

.kanban {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: stretch;
  width: 100%;
  height: var(--board-height);
}

.kanban-column {
  --stage-accent: var(--gold);
  container-type: inline-size;
  container-name: kanban-column;
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-elevated);
}

.kanban-column::before {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  left: var(--space-sm);
  height: 3px;
  border-radius: 999px;
  content: "";
  background: var(--stage-accent);
}

.kanban-column[data-stage="designing"] {
  --stage-accent: var(--gold);
}

.kanban-column[data-stage="executing"] {
  --stage-accent: var(--moss);
}

.kanban-column[data-stage="measuring"] {
  --stage-accent: var(--rust);
}

.kanban-column[data-stage="concluded"] {
  --stage-accent: var(--clay);
}

.column-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  padding: calc(var(--space-sm) + var(--space-2xs)) var(--space-2xs) var(--space-sm);
  border-bottom: 1px solid var(--line);
}

.column-header h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.035em;
}

.column-header span {
  color: var(--stage-accent);
  font-size: 0.72rem;
  font-weight: 900;
}

.card-stack {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-xs);
  min-height: 0;
  padding-top: var(--space-sm);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.card-stack::-webkit-scrollbar {
  width: 6px;
}

.card-stack::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--scrollbar);
}

.project-card {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--stage-accent, var(--gold));
  border-radius: var(--radius-md);
  color: inherit;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  appearance: none;
  background: var(--paper-soft);
  box-shadow: 0 10px 28px var(--card-shadow);
  isolation: isolate;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.project-card-body {
  box-sizing: border-box;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: var(--space-xs);
  align-content: start;
  width: 100%;
  padding: var(--space-sm);
  overflow: hidden;
  border-radius: inherit;
}

.project-card[data-stage="designing"] {
  --stage-accent: var(--gold);
}

.project-card[data-stage="executing"] {
  --stage-accent: var(--moss);
}

.project-card[data-stage="measuring"] {
  --stage-accent: var(--rust);
}

.project-card[data-stage="concluded"] {
  --stage-accent: var(--clay);
  opacity: 0.78;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: var(--border-strong);
  border-left-color: var(--stage-accent);
  box-shadow: 0 16px 40px var(--card-shadow-hover);
  transform: translateY(-2px);
}

.project-meta {
  flex-wrap: wrap;
  gap: 0.38rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card h4 {
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 1.05rem;
  line-height: 1.2;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

.project-card p {
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.42;
  overflow-wrap: anywhere;
}

.project-card .tag-list {
  display: none;
  width: 100%;
  min-width: 0;
  margin: 0;
}

.project-card.tags-visible .tag-list {
  display: flex;
}

.project-card .tag-list[hidden],
.project-card:not(.tags-visible) .tag-list {
  display: none !important;
  height: 0;
  margin: 0;
  overflow: hidden;
}

.tag-list {
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.tag {
  max-width: 100%;
  padding: var(--space-2xs) var(--space-xs);
  overflow: hidden;
  border-radius: 999px;
  color: var(--moss);
  font-size: 0.68rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: var(--tag-bg);
}

@container kanban-column (max-width: 7.25rem) {
  .project-card p {
    display: none;
  }

  .project-card-body {
    padding: var(--space-xs) calc(var(--space-xs) + var(--space-2xs));
  }

  .project-card h4 {
    font-size: 0.98rem;
    line-height: 1.2;
  }
}

.empty-state {
  padding: var(--space-sm);
  color: var(--muted);
  font-size: 0.84rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
}

.project-dialog {
  width: min(680px, calc(100vw - 2rem));
  max-height: min(720px, calc(100vh - 2rem));
  padding: 0;
  overflow: auto;
  border: 1px solid var(--dialog-border);
  border-radius: 1.35rem;
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.project-dialog::backdrop {
  background: var(--backdrop);
  backdrop-filter: blur(8px);
}

.dialog-close {
  position: sticky;
  top: 1rem;
  z-index: 2;
  float: right;
  margin: 1rem 1rem 0 0;
  padding: 0.45rem 0.66rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  background: var(--surface-button);
}

.dialog-body {
  padding: clamp(var(--space-md), 4vw, var(--space-lg));
}

.dialog-meta {
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dialog-meta-custom {
  letter-spacing: 0.04em;
  text-transform: none;
}

.dialog-body h2 {
  max-width: 12ch;
  margin-bottom: var(--space-sm);
}

.detail-list {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-md) 0 0;
}

.detail-row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--line);
}

.detail-row dt {
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-row dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.detail-links a {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
}

.media-slot {
  display: grid;
  min-height: calc(var(--space-xl) * 2);
  margin-top: var(--space-md);
  place-items: center;
  border: 1px dashed rgba(179, 138, 53, 0.42);
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 0.86rem;
  background: var(--media-bg);
}

.media-slot--logo {
  padding: var(--space-sm);
  border-style: solid;
  border-color: var(--line);
  background: var(--media-logo-bg);
}

.dialog-logo {
  display: block;
  width: min(100%, 14rem);
  height: auto;
  border-radius: 0.65rem;
}

.dialog-logo--banner {
  width: min(100%, 18rem);
  max-height: 6.5rem;
  object-fit: contain;
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.link-list a {
  padding: 0.48rem 0.68rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
  padding: var(--space-md) 0 var(--space-lg);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--ink);
}

@media (max-width: 720px) {
  .kanban {
    grid-template-columns: repeat(4, minmax(14rem, 1fr));
    height: min(58vh, calc(var(--board-height) * 0.944));
    overflow-x: auto;
    padding-bottom: var(--space-sm);
  }

  .kanban-column {
    min-width: 14rem;
  }
}

@media (max-width: 920px) {
  .compass-backdrop svg {
    width: min(95%, 22rem);
  }

  .compass-backdrop {
    opacity: 0.13;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.6rem);
  }

  .hero-tagline {
    font-size: clamp(0.95rem, 3.8vw, 1.2rem);
  }

  .detail-row {
    grid-template-columns: 1fr;
    gap: var(--space-2xs);
  }
}