/* Portfolio — semantic, readable, dark-first */
:root {
  --bg: #070812;
  --surface: #0f172a;
  --surface-2: #111c33;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #a78bfa;
  --accent-dim: #7c3aed;
  --border: #223055;
  --radius: 12px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --max: 72rem;
  --header-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image: 
    radial-gradient(1100px circle at 10% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 45%),
    radial-gradient(900px circle at 85% 10%, color-mix(in srgb, #60a5fa 14%, transparent), transparent 48%),
    linear-gradient(to bottom, rgba(7, 8, 18, 0.8), rgba(7, 8, 18, 0.95)),
    url('https://images.unsplash.com/photo-1462331940025-496dfbfc7564?q=80&w=2048&auto=format&fit=crop');
  background-size: auto, auto, cover, cover;
  background-position: top left, top right, center, center;
  background-attachment: scroll, scroll, fixed, fixed;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
  top: 0;
}

a {
  color: var(--accent-dim);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

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

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

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

.brand img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.nav-primary ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  align-items: center;
}

.nav-primary a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.35rem 0;
}

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

@media (max-width: 960px) {
  .nav-toggle {
    display: block;
  }

  .nav-primary {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-primary.is-open {
    max-height: min(80vh, 560px);
    overflow-y: auto;
  }

  .nav-primary ul {
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1rem 1.25rem;
    gap: 0;
  }

  .nav-primary a {
    display: block;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
  }
}

/* Main */
main {
  padding-block: 2rem 4rem;
}

/* Hero */
.hero {
  padding-block: 2rem 3rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

.hero .lede {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 1.25rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-dim);
  color: var(--bg);
  border-color: var(--accent-dim);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--bg);
}

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

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

/* Proof strip */
.proof-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-block: 2rem 2.5rem;
}

.proof-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
}

.proof-item strong {
  display: block;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-weight: 700;
}

.proof-item span {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card h2,
.card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}

.card-media {
  display: block;
  margin: -1.35rem -1.35rem 0;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.card-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--surface-2);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.45rem;
  background: var(--surface-2);
  border-radius: 6px;
  color: var(--muted);
}

/* Sections */
.section-title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--text);
  margin: 0 0 1.5rem;
  border: none;
}
.section-title::before {
  content: "# ";
  color: var(--accent);
}

.section {
  margin-block: 3rem;
}

/* Availability */
.availability {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-block: 2rem;
}

.availability dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0;
}

.availability dd {
  margin: 0.25rem 0 0;
  font-weight: 600;
}

/* Skills table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-block: 1rem;
}

table.skills {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.skills th,
.skills td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.skills th {
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
  width: 22%;
  vertical-align: top;
}

.skills tr:last-child td,
.skills tr:last-child th {
  border-bottom: none;
}

.skills td {
  color: var(--muted);
}

/* Prose */
.prose {
  max-width: 46rem;
}

.prose h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.prose h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
}

.prose ul {
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

.prose p {
  color: var(--muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: auto;
  background: var(--surface);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
}

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

/* Breadcrumb */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

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

/* Case study layout */
.case-meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}

.form textarea {
  min-height: 120px;
  resize: vertical;
}

.form .field {
  margin-bottom: 1rem;
}

/* OSS / writing lists */
.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-list li {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.link-list li:last-child {
  border-bottom: none;
}

.link-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.link-list p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.link-list .post-with-image {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.link-list .post-thumb {
  display: block;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.link-list .post-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.link-list .post-copy {
  min-width: 0;
}

@media (max-width: 720px) {
  .link-list .post-with-image {
    grid-template-columns: 1fr;
  }
}

/* Recommendations / awards */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.quote-grid.recommendation-wall {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quote-card {
  position: relative;
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--surface-2) 78%, transparent));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  overflow: hidden;
}

.quote-card.featured {
  padding: 1.6rem;
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: color-mix(in srgb, var(--accent) 50%, white 8%);
  opacity: 0.9;
}

.quote-text {
  margin: 0.35rem 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
}

.quote-person {
  margin-top: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.quote-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-2));
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.quote-person strong,
.quote-person span {
  display: block;
}

.quote-person span {
  color: var(--muted);
  font-size: 0.86rem;
}

.award-timeline {
  display: grid;
  gap: 1rem;
}

.award-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.award-item:first-child {
  border-top: none;
  padding-top: 0;
}

.award-date {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.88rem;
}

.award-body h3 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.award-body p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 640px) {
  .quote-grid.recommendation-wall {
    grid-template-columns: 1fr;
  }

  .award-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (max-width: 980px) and (min-width: 641px) {
  .quote-grid.recommendation-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Page shell */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.page-header .sub {
  color: var(--muted);
  margin: 0;
  max-width: 40rem;
}

/* Terminal component */
.terminal-container {
  background: #0a0e17;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  margin-block: 2rem;
}

.terminal-header {
  background: #1e293b;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.terminal-header .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-header .dot.red { background: #ef4444; }
.terminal-header .dot.yellow { background: #eab308; }
.terminal-header .dot.green { background: #22c55e; }

.terminal-title {
  color: var(--muted);
  font-size: 0.85rem;
  margin-left: auto;
  margin-right: auto;
  transform: translateX(-18px); /* Center offset */
}

.terminal-body {
  padding: 1.5rem;
  color: #e8eaed;
  font-size: 0.95rem;
  line-height: 1.6;
}

.terminal-body p {
  margin: 0.5rem 0;
  color: #e8eaed;
}

.terminal-body .prompt {
  color: #a78bfa;
  font-weight: bold;
  margin-right: 0.5rem;
}

.terminal-body .command {
  color: #60a5fa;
}

.terminal-body .response {
  color: #9aa0a6;
  margin-bottom: 1.5rem;
}

.terminal-body .json-key {
  color: #fca5a5;
}

.cursor-blink {
  animation: blink 1s step-end infinite;
  display: inline-block;
  width: 8px;
  color: var(--accent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Custom Aerospace Cursor */
body, html {
  cursor: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='%23ffffff' stroke='%23111c33' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='2 2 9 22 13 13 22 9 2 2'%3E%3C/polygon%3E%3Cline x1='2' y1='2' x2='13' y2='13'%3E%3C/line%3E%3C/svg%3E") 2 2, auto;
}

a, button, .btn, .nav-toggle, [role="button"], input[type="submit"], .skills-cloud, .tag-row .tag, .brand {
  cursor: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='%23a78bfa' stroke='%23ffffff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='2 2 9 22 13 13 22 9 2 2'%3E%3C/polygon%3E%3Cline x1='2' y1='2' x2='13' y2='13'%3E%3C/line%3E%3C/svg%3E") 2 2, pointer !important;
}