:root {
  --bg-void: #0E1015;
  --bg-panel: #161922;
  --bg-panel-2: #1C2029;
  --ink: #E9E7E2;
  --ink-dim: #8B90A0;
  --ink-faint: #565C6B;
  --accent-copper: #D98E3E;
  --accent-copper-dim: #6B4F2A;
  --accent-teal: #46B3A6;
  --accent-teal-dim: #2A4D49;
  --line: #262B36;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.card:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

.wrap-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---- Header --------------------------------------------------------- */

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 16, 21, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: 1080px;
  margin: 0 auto;
}

.wordmark {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wordmark .dot {
  width: 9px;
  height: 9px;
  background: var(--accent-copper);
  display: inline-block;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--accent-teal); }
.nav-link.is-active { color: var(--ink); }

.nav-divider {
  width: 1px;
  height: 16px;
  background: var(--line);
}

/* ---- Mobile nav toggle ------------------------------------------------ */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  padding: 6px 0;
}

/* ---- Hero (home) ------------------------------------------------------ */

.hero {
  padding: 96px 0 64px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--accent-copper);
  margin: 0 0 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-copper);
  display: inline-block;
}

h1 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  max-width: 14ch;
}

h1 .dim { color: var(--ink-dim); }

.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 46ch;
  margin: 0 0 56px;
}

/* ---- Page hero (blog / contact - smaller, no sector grid) ------------- */

.page-hero {
  padding: 64px 0 16px;
}

.page-hero h1 {
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  max-width: 22ch;
  margin-bottom: 14px;
}

.page-hero .hero-sub {
  margin-bottom: 0;
  max-width: 56ch;
}

/* ---- Sector grid (signature element) ---------------------------------- */

.sector-grid {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 4px;
  max-width: 640px;
}

.cell {
  aspect-ratio: 1;
  background: var(--accent-teal-dim);
  border-radius: 1px;
  position: relative;
  transition: background 0.2s ease;
}

.cell.bad {
  background: var(--accent-copper);
}

.cell.bad::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  color: var(--accent-copper);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  padding: 5px 9px;
  white-space: nowrap;
  border-radius: 3px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 5;
}

.cell.bad:hover::after,
.cell.bad:focus-visible::after {
  opacity: 1;
}

.sector-caption {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
  margin-top: 14px;
  letter-spacing: 0.02em;
}

/* ---- Section shared ---------------------------------------------------- */

section.block {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.section-head h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.6rem;
  margin: 6px 0 0;
  color: var(--ink);
}

.section-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent-teal);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
  white-space: nowrap;
}
.section-link:hover { border-color: var(--accent-teal); }

/* ---- Project cards ------------------------------------------------------ */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.card.shipped:hover,
.card.shipped:focus-visible {
  border-color: var(--accent-teal-dim);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.card-icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.card-title {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 3px 7px;
  letter-spacing: 0.02em;
}

.card-desc {
  color: var(--ink-dim);
  font-size: 0.92rem;
  flex-grow: 1;
  margin: 0 0 18px;
}

.card-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent-teal);
  align-self: flex-start;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
.card-link:hover { border-color: var(--accent-teal); }

/* Empty / unallocated cards */

.card.empty {
  border-style: dashed;
  border-color: var(--line);
  justify-content: space-between;
  min-height: 168px;
}

.card.empty .marker {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.card.empty .empty-label {
  font-family: var(--mono);
  color: var(--ink-faint);
  font-size: 0.95rem;
  margin: 14px 0 6px;
}

.card.empty .empty-sub {
  color: var(--ink-faint);
  font-size: 0.85rem;
  margin: 0;
}

/* ---- Blog listing -------------------------------------------------------- */

.post-list {
  display: flex;
  flex-direction: column;
}

.post-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: opacity 0.15s ease;
}

.post-item:first-child { padding-top: 0; }

.post-item:hover .post-item-title { color: var(--accent-teal); }

.post-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

.post-item-title {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--ink);
  transition: color 0.15s ease;
}

.post-item-summary {
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 64ch;
}

.empty-blog {
  font-family: var(--mono);
  color: var(--ink-faint);
  font-size: 0.92rem;
  padding: 12px 0 32px;
}

/* ---- Blog post (article) ------------------------------------------------- */

.post-header {
  padding: 56px 0 24px;
}

.back-link {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-dim);
  display: inline-block;
  margin-bottom: 28px;
  transition: color 0.15s ease;
}
.back-link:hover { color: var(--accent-teal); }

.post-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.6vw, 2.3rem);
  line-height: 1.3;
  margin: 0 0 12px;
}

.post-body {
  padding: 0 0 72px;
  font-size: 1.02rem;
  color: var(--ink);
}

.post-body p { margin: 0 0 20px; color: var(--ink-dim); }
.post-body strong { color: var(--ink); }

.post-body h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--ink);
  margin: 40px 0 16px;
}

.post-body h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.12rem;
  color: var(--ink);
  margin: 32px 0 14px;
}

.post-body a {
  color: var(--accent-teal);
  border-bottom: 1px solid var(--accent-teal-dim);
}
.post-body a:hover { border-color: var(--accent-teal); }

.post-body ul, .post-body ol {
  color: var(--ink-dim);
  margin: 0 0 20px;
  padding-left: 1.3em;
}
.post-body li { margin-bottom: 8px; }

.post-body code {
  font-family: var(--mono);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 0.88em;
  color: var(--accent-copper);
}

.post-body pre {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  overflow-x: auto;
  margin: 0 0 24px;
}
.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--ink);
}

.post-body blockquote {
  margin: 0 0 24px;
  padding-left: 18px;
  border-left: 2px solid var(--accent-copper-dim);
  color: var(--ink-dim);
  font-style: normal;
}

/* ---- Contact form --------------------------------------------------------- */

.form-block {
  padding: 16px 0 80px;
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 560px;
}

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

.field label {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}

.field input,
.field textarea {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 12px 14px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-faint);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent-teal-dim);
  outline: none;
}

.btn-submit {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bg-void);
  background: var(--accent-copper);
  border: none;
  border-radius: 6px;
  padding: 13px 24px;
  cursor: pointer;
  align-self: flex-start;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn-submit:hover {
  background: #E6A256;
  transform: translateY(-1px);
}

.form-note {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  margin-top: -4px;
}

.form-success {
  font-family: var(--mono);
  font-size: 0.92rem;
  color: var(--accent-teal);
  border: 1px solid var(--accent-teal-dim);
  background: rgba(70, 179, 166, 0.08);
  border-radius: 6px;
  padding: 16px 18px;
  max-width: 560px;
}

/* ---- Footer ---------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.footer-inner a { color: var(--ink-dim); }
.footer-inner a:hover { color: var(--accent-teal); }

.footer-links {
  display: flex;
  gap: 18px;
}

/* ---- Reduced motion ---------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *, .card, .cell, .nav-link, .card-link, .btn-submit {
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .card.shipped:hover, .btn-submit:hover { transform: none; }
}

/* ---- Mobile ------------------------------------------------------------------ */

@media (max-width: 640px) {
  .hero { padding: 64px 0 48px; }
  .page-hero { padding: 48px 0 12px; }
  .sector-grid { grid-template-columns: repeat(16, 1fr); }
  .header-inner { padding: 16px 20px; }
  .wrap, .wrap-narrow { padding: 0 20px; }

  .nav-toggle { display: block; }
  .nav { display: none; }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--line);
    padding: 20px;
  }
  .nav.is-open .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .nav.is-open .nav-divider { display: none; }
}