/* ============================================================
   Polydoc Showcase — style.css
   Minimalist palette matching the Next.js web-app
   ============================================================ */

:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --fg-muted: #737373;
  --border: #e5e5e5;
  --card-bg: #ffffff;
  --muted-bg: #f5f5f5;
  --accent: #0a0a0a;
  --accent-fg: #ffffff;
  --green: rgb(16, 185, 129);
  --radius: 0.75rem;
  --nav-height: 64px;
  --max-w: 900px;
  --font: "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Reset & Base ────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 20px;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
code {
  font-family: "Geist Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.82em;
  background: var(--muted-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
}

/* ── Animations ──────────────────────────────────────────── */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes floatWord {
  0%, 100% { transform: translateY(0px) rotate(var(--rot, 0deg)); }
  50%       { transform: translateY(-14px) rotate(var(--rot, 0deg)); }
}

@keyframes barGrow {
  from { height: 0; }
  to   { height: var(--bar-h); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease calc(var(--delay, 0ms)), transform 0.55s ease calc(var(--delay, 0ms));
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Navbar ──────────────────────────────────────────────── */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: calc(var(--max-w) + 120px);
  margin: 0 auto;
  height: 100%;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  cursor: default;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  font-size: 1rem;
  color: var(--fg-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover {
  color: var(--fg);
  background: var(--muted-bg);
}

/* Hamburger button — hidden on desktop */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  border-radius: 6px;
  transition: background 0.15s;
}
.nav-burger:hover { background: var(--muted-bg); }

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

/* Animate to ✕ when open */
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 740px) {
  .nav-burger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 2px;
    padding: 10px 16px 16px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 10px 14px;
    font-size: 0.9375rem;
  }
}

/* ── Sections ────────────────────────────────────────────── */

.section {
  padding: 64px 40px;
}

.section-alt {
  background: var(--muted-bg);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ── Hero ────────────────────────────────────────────────── */

.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 40px;
  padding-bottom: 160px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  text-align: center;
  animation: fadeInUp 0.7s ease both;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--fg);
  color: var(--accent-fg);
  padding: 10px 20px;
  border-radius: 8px;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.8; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: color 0.15s, background 0.15s;
}
.btn-ghost:hover { color: var(--fg); background: var(--muted-bg); }

/* floating words */
.hero-words {
  position: absolute;
  inset: 0;
  pointer-events: none;
  user-select: none;
}

.hw {
  position: absolute;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg);
  opacity: 0.06;
  animation: floatWord var(--dur, 5s) ease-in-out infinite var(--del, 0s);
}

.hw1  { top: 12%; left: 5%;   --rot: -8deg;  --dur: 5.2s; --del: 0s;    }
.hw2  { top: 20%; right: 6%;  --rot: 5deg;   --dur: 6.1s; --del: 0.4s;  }
.hw3  { top: 60%; left: 3%;   --rot: -12deg; --dur: 4.8s; --del: 1.1s;  }
.hw4  { top: 75%; right: 8%;  --rot: 7deg;   --dur: 5.7s; --del: 0.7s;  }
.hw5  { top: 8%;  left: 30%;  --rot: 3deg;   --dur: 6.5s; --del: 0.2s;  font-size: 1rem; }
.hw6  { top: 85%; left: 18%;  --rot: -5deg;  --dur: 5.4s; --del: 1.5s;  }
.hw7  { top: 40%; left: 2%;   --rot: 10deg;  --dur: 4.6s; --del: 0.9s;  }
.hw8  { top: 50%; right: 4%;  --rot: -6deg;  --dur: 5.9s; --del: 0.3s;  }
.hw9  { top: 88%; right: 22%; --rot: 4deg;   --dur: 6.3s; --del: 1.8s;  }
.hw10 { top: 30%; right: 2%;  --rot: -3deg;  --dur: 5.0s; --del: 0.6s;  font-size: 0.75rem; }

/* ── Feature Cards ───────────────────────────────────────── */

.cards-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 40px;
}

.card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 320px;
  background: var(--card-bg);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--muted-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  shrink: 0;
  flex-shrink: 0;
  color: var(--fg-muted);
}

.card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── Problem / Solution ──────────────────────────────────── */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .two-col { grid-template-columns: 1fr; }
}

.problem-card, .solution-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--card-bg);
}

.problem-tag, .solution-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 12px;
}
.problem-tag { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.solution-tag { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }

.problem-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 10px;
}

/* ── App Preview ─────────────────────────────────────────── */

.preview-section {
  padding-top: 72px;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

@media (max-width: 800px) {
  .preview-grid { grid-template-columns: 1fr; }
}

.preview-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s, transform 0.3s;
}
.preview-frame:hover {
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--muted-bg);
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}
.preview-dot:nth-child(1) { background: #ff5f57; }
.preview-dot:nth-child(2) { background: #febc2e; }
.preview-dot:nth-child(3) { background: #28c840; }

.preview-url {
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-left: 8px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.preview-frame img {
  width: 100%;
  display: block;
}

/* ── Embeddings / Semantic Search ───────────────────────── */

.embed-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

@media (max-width: 680px) {
  .embed-compare { grid-template-columns: 1fr; }
}

.embed-col {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.embed-col-fail { border-top: 3px solid #fecaca; }
.embed-col-pass { border-top: 3px solid #bbf7d0; }

.embed-col-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.embed-col-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.embed-col-icon-fail { background: #fef2f2; color: #dc2626; }
.embed-col-icon-pass { background: #f0fdf4; color: #16a34a; }

.embed-col-title {
  font-size: 0.9375rem;
  font-weight: 600;
}

.embed-sentence {
  background: var(--muted-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}

.embed-sentence-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.embed-sentence-text {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--fg);
}

.embed-arrow-down {
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-align: center;
}

.embed-verdict {
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: auto;
}
.embed-verdict-fail { background: #fef2f2; border: 1px solid #fecaca; }
.embed-verdict-pass { background: #f0fdf4; border: 1px solid #bbf7d0; }

.embed-verdict-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.embed-verdict-fail .embed-verdict-title { color: #dc2626; }
.embed-verdict-pass .embed-verdict-title { color: #16a34a; }

.embed-verdict-desc {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--fg-muted);
}

/* Translation variance block */
.embed-trans {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  background: var(--card-bg);
}

.embed-trans-heading {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.embed-trans-sub {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 640px;
  margin-bottom: 24px;
}

.embed-trans-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px 40px;
  align-items: start;
}

@media (max-width: 680px) {
  .embed-trans-grid { grid-template-columns: 1fr; }
  .embed-trans { padding: 20px; }
}

.embed-trans-source {
  background: var(--muted-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  min-width: 220px;
  max-width: 280px;
}

.embed-trans-source-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.embed-trans-source-text {
  font-size: 0.875rem;
  line-height: 1.55;
}

.embed-trans-variants {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.embed-trans-variant {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.55;
  padding: 10px 14px;
  background: var(--muted-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.embed-trans-variant p {
  flex: 1;
}

.embed-lang-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.embed-valid-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
}

/* ── Friends Chart ───────────────────────────────────────── */

.friends-chart {
  margin-top: 40px;
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 24px;
  justify-content: center;
  height: 220px;
  padding: 0 20px;
  min-width: 600px;
}

.chart-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.chart-bar-wrap {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 160px;
}

.chart-bar {
  width: 52px;
  background: var(--fg);
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
  height: 0;
  transition: height 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) var(--bar-delay, 0s);
}

.chart-pct {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-muted);
  min-height: 20px;
  text-align: center;
}

.chart-ep {
  font-size: 0.7rem;
  color: var(--fg-muted);
  font-weight: 500;
  text-align: center;
  margin-top: 4px;
}

.chart-baseline {
  height: 1px;
  background: var(--border);
  margin: 0 20px;
}

.chart-labels {
  display: flex;
  gap: 24px;
  justify-content: center;
  padding: 12px 20px 0;
  flex-wrap: wrap;
}

.chart-note {
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-align: center;
  margin-top: 20px;
}

/* ── Steps ───────────────────────────────────────────────── */

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 680px;
  margin: 40px auto 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  transition: box-shadow 0.2s;
}
.step:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.05); }

.step-connector {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin-left: 55px;
}

.step-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--border);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
  min-width: 36px;
}

/* ── Stats ───────────────────────────────────────────────── */

.stats-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 40px;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  width: 200px;
  background: var(--card-bg);
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.stat-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.stat-detail {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ── CI/CD ───────────────────────────────────────────────── */

.cicd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

@media (max-width: 800px) {
  .cicd-grid { grid-template-columns: 1fr; }
}

.cicd-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.cicd-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}

.cicd-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg-muted);
}

.cicd-badge {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 9px;
  color: var(--fg-muted);
}

.cicd-img-wrap {
  border-bottom: 1px solid var(--border);
}

.cicd-img-wrap img {
  width: 100%;
  display: block;
}

.cicd-desc {
  padding: 14px 18px;
  font-size: 0.8125rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── Tech Stack ──────────────────────────────────────────── */

.stack-inner {
  text-align: center;
}

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 40px;
}

.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 112px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.15s;
  text-decoration: none;
}
.stack-item:hover { color: var(--fg); }

.stack-logo {
  width: 64px;
  height: 64px;
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  padding: 13px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.stack-item:hover .stack-logo {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}

.stack-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.stack-logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg-muted);
  letter-spacing: -0.01em;
}


/* ── Grafana / Observability ─────────────────────────────── */

.grafana-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: start;
  margin-top: 40px;
}

@media (max-width: 860px) {
  .grafana-layout { grid-template-columns: 1fr; }
}

.grafana-screenshot {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #181b1f;
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s, transform 0.3s;
}
.grafana-screenshot:hover {
  box-shadow: 0 8px 48px rgba(0,0,0,0.14);
  transform: translateY(-3px);
}
.grafana-screenshot .preview-bar {
  background: #111214;
  border-bottom-color: rgba(255,255,255,0.08);
}
.grafana-screenshot .preview-url {
  color: rgba(255,255,255,0.35);
}
.grafana-screenshot img {
  width: 100%;
  display: block;
}

.grafana-panels {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 200px;
  flex-shrink: 0;
}

@media (max-width: 860px) {
  .grafana-panels {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }
  .grafana-metrics-note { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .grafana-panels { grid-template-columns: repeat(2, 1fr); }
}

.grafana-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  background: var(--card-bg);
  transition: box-shadow 0.2s, transform 0.2s;
}
.grafana-panel:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.grafana-panel-value {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}

.grafana-panel-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-weight: 500;
  line-height: 1.4;
}

.grafana-metrics-note {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--muted-bg);
  font-size: 0.8125rem;
  color: var(--fg-muted);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.grafana-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg);
  transition: opacity 0.15s;
}
.grafana-link:hover { opacity: 0.65; }

/* ── Claude Skill ────────────────────────────────────────── */

.skill-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-top: 40px;
}

@media (max-width: 860px) {
  .skill-layout { grid-template-columns: 1fr; }
}

.skill-screenshot {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 4px 32px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s, transform 0.3s;
}
.skill-screenshot:hover {
  box-shadow: 0 8px 48px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}
.skill-screenshot img {
  width: 100%;
  display: block;
}

.skill-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.skill-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.skill-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.skill-langs {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.skill-langs-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.skill-lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-lang-chips span {
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--fg-muted);
  background: var(--muted-bg);
}

/* ── Contact ─────────────────────────────────────────────── */

.contact-inner { text-align: center; }

.contact-card {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 36px;
  background: var(--card-bg);
  margin-top: 32px;
  text-align: left;
  transition: box-shadow 0.2s;
}
.contact-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }

.contact-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--accent-fg);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-name {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.contact-role {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.contact-info .contact-links {
  display: flex;
  flex-direction: row;
  gap: 20px;
}

.contact-github {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.15s;
}
.contact-github:hover { color: var(--fg); }

/* ── Footer ──────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 40px;
}

.footer-inner {
  max-width: calc(var(--max-w) + 120px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

/* ── Lightbox ────────────────────────────────────────────── */

.img-zoomable {
  cursor: zoom-in;
  display: block;
}

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.lightbox-overlay.open {
  display: flex;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  object-fit: contain;
  cursor: zoom-out;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.2); }

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 768px) {
  .section { padding: 48px 24px; }
  .hero { padding: 60px 24px; }
  .nav-inner { padding: 0 24px; }
  .nav-links a { padding: 6px 8px; }
  .footer { padding: 20px 24px; }
  .cards-row { gap: 12px; }
  .card { width: 100%; max-width: 400px; }
  .stats-row { gap: 12px; }
  .stat-card { width: calc(50% - 6px); }
  .step { flex-direction: column; gap: 12px; padding: 20px; }
  .step-connector { margin-left: 20px; }
  .contact-card { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .stat-card { width: 100%; max-width: 300px; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }

}