/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:wght@400;500&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Design Tokens ── */
:root {
  --bg:        #0a0b0d;
  --bg2:       #111318;
  --bg3:       #181c24;
  --border:    #252a35;
  --border2:   #2e3545;
  --amber:     #e8a030;
  --amber2:    #c07818;
  --amber-dim: rgba(232,160,48,0.08);
  --amber-glow:rgba(232,160,48,0.15);
  --green:     #40c070;
  --red:       #e05050;
  --blue:      #5090e0;
  --text:      #dde3ee;
  --text2:     #8a95a8;
  --text3:     #505a6a;
  --mono:      'DM Mono', 'Courier New', monospace;
  --sans:      'DM Sans', system-ui, sans-serif;
  --display:   'Syne', system-ui, sans-serif;
  --radius:    6px;
  --radius-lg: 12px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Grain texture overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  opacity: 0.5;
}

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p { color: var(--text2); }
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); }

/* ── Layout ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section {
  padding: 5rem 0;
}
.section + .section {
  border-top: 1px solid var(--border);
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,11,13,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--amber);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--amber); text-decoration: none; }

/* ── Amber accent line ── */
.accent-line {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--amber);
  margin-bottom: 1.5rem;
}

/* ── Section label ── */
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 0.75rem;
}

/* ── Cards ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--amber2);
  transform: translateY(-2px);
}

/* ── Tag/badge ── */
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  color: var(--text2);
  background: var(--bg3);
}
.tag.amber { color: var(--amber); border-color: rgba(232,160,48,0.3); background: var(--amber-dim); }
.tag.green { color: var(--green); border-color: rgba(64,192,112,0.3); background: rgba(64,192,112,0.06); }
.tag.red   { color: var(--red);   border-color: rgba(224,80,80,0.3);  background: rgba(224,80,80,0.06); }

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--amber2);
  color: var(--amber);
  background: var(--amber-dim);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn:hover {
  background: var(--amber-glow);
  text-decoration: none;
}

/* ── Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.data-table th {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  font-weight: 400;
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 60px;
}
.data-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(37,42,53,0.6);
  color: var(--text2);
  vertical-align: middle;
}
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table .part-name { font-family: var(--mono); color: var(--text); font-weight: 500; }
.data-table .cat-row td {
  background: var(--bg3);
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding: 0.4rem 0.75rem;
  border-top: 1px solid var(--border);
}

/* ── Search bar ── */
.search-wrap {
  position: relative;
  margin-bottom: 1.5rem;
}
.search-wrap input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s;
}
.search-wrap input:focus { border-color: var(--amber); }
.search-wrap input::placeholder { color: var(--text3); }
.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-family: var(--mono);
  font-size: 0.8rem;
  pointer-events: none;
}

/* ── Hero animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.25s; }
.fade-up-3 { animation-delay: 0.4s; }
.fade-up-4 { animation-delay: 0.55s; }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }

/* ── Skill bar ── */
.skill-group { margin-bottom: 2rem; }
.skill-group-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 0.75rem;
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── Timeline ── */
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 2.5rem; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--amber);
}
.timeline-date {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text3);
  margin-bottom: 0.2rem;
}
.timeline-role { font-weight: 600; font-size: 1rem; color: var(--text); }
.timeline-company { font-size: 0.9rem; color: var(--amber); margin-bottom: 0.5rem; }
.timeline-desc { font-size: 0.88rem; color: var(--text2); }

/* ── Project card ── */
.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.project-card:hover { border-color: var(--amber2); transform: translateY(-3px); }
.project-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.project-img svg { opacity: 0.15; }
.project-body { padding: 1.5rem; }
.project-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.project-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 0.4rem; }
.project-desc { font-size: 0.88rem; color: var(--text2); margin-bottom: 1rem; }
.project-links { display: flex; gap: 0.75rem; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text3);
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.7rem; }
  .section { padding: 3rem 0; }
}