/* Sergio Franco Velazquez, portfolio site
   Hand-written, no build step, no frameworks. */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }

/* ---------- Theme tokens (light default, dark under prefers-color-scheme) ---------- */
:root {
  color-scheme: light;
  --bg: #f6f9fa;
  --bg-alt: #eef3f4;
  --surface: #ffffff;
  --surface-2: #f1f5f6;
  --border: #d7e1e3;
  --text: #101a1f;
  --text-dim: #4c5c62;
  --text-faint: #5a6a70;
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-dim: #0b7d72;
  --accent-glow: rgba(13, 148, 136, 0.18);
  --good: #0f9d63;
  --warn: #b45309;
  --bad: #b91c1c;
  --radius: 10px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, "Liberation Mono", Menlo, monospace;
  --maxw: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0a0f14;
    --bg-alt: #0f151b;
    --surface: #131b22;
    --surface-2: #182029;
    --border: #223039;
    --text: #e7eef2;
    --text-dim: #9fb2bd;
    --text-faint: #6c8089;
    --accent: #2dd4bf;
    --accent-strong: #5eead4;
    --accent-dim: #1c9c8c;
    --accent-glow: rgba(45, 212, 191, 0.25);
    --good: #34d399;
    --warn: #fbbf24;
    --bad: #f87171;
  }
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  background:
    radial-gradient(circle at 15% -10%, var(--accent-glow), transparent 45%),
    repeating-linear-gradient(0deg, transparent, transparent 39px, var(--border) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, var(--border) 40px),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  background-blend-mode: normal;
}
/* Keep the grid motif subtle. It's just background texture. */
body {
  background-size: auto, 40px 40px, 40px 40px, auto;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: #04211d; padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius) 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); margin-bottom: 0.5rem; }
h3 { font-size: 1.15rem; }
p { color: var(--text-dim); }
.lede { color: var(--text); font-size: 1.15rem; }

code, .mono { font-family: var(--font-mono); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.eyebrow::before { content: "// "; color: var(--text-faint); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem 1rem;
  padding: 0.85rem 1.25rem;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--text);
}
.brand .accent { color: var(--accent); }
.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.site-nav {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 0.3rem 0.15rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); border-color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
}
.hero .prompt {
  font-family: var(--font-mono);
  color: var(--text-faint);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}
.hero .prompt .accent { color: var(--accent); }
.hero h1 .accent { color: var(--accent); }
.hero .value-prop { max-width: 46rem; margin-top: 1rem; font-size: 1.2rem; }
.hero .cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}
.btn:hover, .btn:focus-visible { border-color: var(--accent); transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #04211d;
  border-color: transparent;
}
.btn.primary:hover, .btn.primary:focus-visible { color: #04211d; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); border-top: 1px solid var(--border); }
.section-head { max-width: 42rem; margin-bottom: 2rem; }

/* ---------- About ---------- */
.about-grid {
  display: grid; grid-template-columns: 2fr 1fr; gap: 2.5rem;
}
.about-grid .fact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  align-self: start;
}
.fact-card dt { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.9rem; }
.fact-card dt:first-child { margin-top: 0; }
.fact-card dd { margin: 0.2rem 0 0; color: var(--text); }

/* ---------- Timeline ---------- */
.timeline { border-left: 2px solid var(--border); margin-left: 0.4rem; }
.timeline-item { position: relative; padding: 0 0 2rem 1.75rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -0.47rem; top: 0.3rem;
  width: 0.7rem; height: 0.7rem; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--border);
}
.timeline-item .role-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.9rem; }
.timeline-item h3 { color: var(--text); }
.timeline-item .org { color: var(--accent); font-weight: 600; }
.timeline-item .dates { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-faint); }
.timeline-item .loc { font-size: 0.85rem; color: var(--text-faint); }
.timeline-item ul { margin-top: 0.6rem; display: grid; gap: 0.35rem; }
.timeline-item li { position: relative; padding-left: 1.1rem; }
.timeline-item li::before { content: "›"; position: absolute; left: 0; color: var(--accent); }

/* ---------- Skills ---------- */
.skill-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.skill-group { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.15rem; }
.skill-group h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 0.7rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--font-mono); font-size: 0.82rem;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); padding: 0.25rem 0.6rem; border-radius: 999px;
}

/* ---------- Certifications ---------- */
.cert-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.cert-badge {
  display: flex; flex-direction: column; gap: 0.15rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.7rem 1rem; min-width: 12rem;
}
.cert-badge .name { font-weight: 600; }
.cert-badge .meta { font-size: 0.8rem; color: var(--text-faint); font-family: var(--font-mono); }

/* ---------- Project cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.4rem; display: flex; flex-direction: column; gap: 0.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover, .card:focus-within { border-color: var(--accent); transform: translateY(-2px); }
.card .card-icon { color: var(--accent); font-family: var(--font-mono); font-size: 1.1rem; }
.card h3 { color: var(--text); }
.card p { font-size: 0.95rem; }
.card .tag-row { margin-top: auto; padding-top: 0.5rem; }

/* ---------- Homelab list ---------- */
.homelab-list { display: grid; gap: 1rem; }
.homelab-item {
  display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.9rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
.homelab-item .glyph {
  font-family: var(--font-mono); color: var(--accent); font-size: 1.2rem; line-height: 1.4;
}
.homelab-item h3 { color: var(--text); font-size: 1rem; }
.homelab-item p { font-size: 0.92rem; margin-top: 0.15rem; }

/* ---------- Platform teaser ---------- */
.platform-teaser {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem; display: grid; gap: 1rem; grid-template-columns: 1fr auto; align-items: center;
}
.platform-teaser p { max-width: 40rem; }

/* ---------- Contact ---------- */
.contact-box {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 3rem;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem; }
.site-footer a { color: var(--accent-strong); }

/* ---------- Platform page specifics ---------- */
.arch-figure {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem;
}
.arch-figure figcaption { color: var(--text-faint); font-size: 0.85rem; margin-top: 0.6rem; }
.arch-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: calc(var(--radius) - 2px); }
.arch-scroll img { display: block; width: 100%; max-width: 960px; height: auto; }
@media (max-width: 900px) {
  .arch-scroll img { aspect-ratio: auto; max-width: 460px; margin: 0 auto; }
}
@media (max-width: 480px) {
  .arch-figure { padding: 0.25rem; margin-inline: -0.75rem; }
  .arch-figure figcaption { padding-inline: 0.5rem; }
}
.arch-open-link { font-size: 0.85rem; }

.pipeline-steps { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.pipeline-steps .step {
  font-family: var(--font-mono); font-size: 0.85rem;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px;
  padding: 0.4rem 0.8rem; color: var(--text);
}
.pipeline-steps .arrow { color: var(--accent-dim); font-family: var(--font-mono); }

.control-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.control-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.control-item h3 { font-size: 0.95rem; }
.control-item p { font-size: 0.88rem; }

.build-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.build-panel dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; margin-top: 1rem; }
.build-panel dt { font-family: var(--font-mono); color: var(--text-faint); font-size: 0.85rem; }
.build-panel dd { font-family: var(--font-mono); color: var(--text); font-size: 0.85rem; word-break: break-all; }
.build-panel .status-line { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.85rem; }
.dot { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--text-faint); display: inline-block; }
.dot.ok { background: var(--good); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }
.trivy-label { color: var(--text-faint); font-size: 0.85rem; }
.trivy-row { display: flex; gap: 0.9rem; margin-top: 0.9rem; flex-wrap: wrap; }
.trivy-pill { font-family: var(--font-mono); font-size: 0.8rem; padding: 0.3rem 0.65rem; border-radius: 999px; border: 1px solid var(--border); }
.trivy-pill.crit { color: var(--bad); border-color: var(--bad); }
.trivy-pill.high { color: var(--warn); border-color: var(--warn); }
.trivy-pill.med, .trivy-pill.low, .trivy-pill.unk { color: var(--text-dim); }
.trivy-pill.zero { color: var(--good); border-color: var(--good); }
.trivy-pill.na { color: var(--text-faint); border-style: dashed; }

.sentinel-note {
  border-left: 3px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ---------- Pipeline page specifics ---------- */
.run-summary { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.5rem 1.5rem; margin-top: 1rem; }
.run-summary h3 { font-size: 1rem; color: var(--text); }
.run-fallback { color: var(--text-faint); font-size: 0.88rem; }
.stage-list { display: grid; gap: 0.9rem; margin-top: 0.75rem; }
.stage-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.9rem 1.1rem; }
.stage-card h3 { font-family: var(--font-mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); margin-bottom: 0.6rem; }
.job-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.job-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.8rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  padding: 0.3rem 0.65rem; color: var(--text);
}
.job-chip .dot { width: 0.5rem; height: 0.5rem; }
.job-chip .dur { color: var(--text-faint); }
.timing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.merge-callout { margin-top: 1.25rem; font-family: var(--font-mono); font-size: 0.95rem; color: var(--accent-strong); }

/* ---------- 404 ---------- */
.error-page {
  min-height: 70vh; display: flex; flex-direction: column; align-items: flex-start;
  justify-content: center; gap: 1rem; padding: 3rem 0;
}
.error-page .code { font-family: var(--font-mono); color: var(--accent); font-size: clamp(3rem, 12vw, 6rem); font-weight: 700; }

/* ---------- Utility spacing (kept out of inline style="" so CSP stays default-src 'self') ---------- */
.u-mt-sm { margin-top: 0.5rem; }
.u-mt-md { margin-top: 1rem; }
.u-mt-lg { margin-top: 1.25rem; }
.u-mt-xl { margin-top: 2.5rem; }
.u-m-0 { margin: 0; }
.hero--compact { padding-bottom: 1.5rem; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .platform-teaser { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .nav-wrap { flex-wrap: wrap; gap: 0.4rem 0.5rem; }
  .brand { flex-shrink: 0; font-size: 0.95rem; }
  .site-nav {
    flex-wrap: wrap;
    gap: 0.3rem 0.65rem;
    min-width: 0;
  }
  .site-nav a { font-size: 0.82rem; white-space: nowrap; padding: 0.3rem 0.1rem; }
  .hero .cta-row { flex-direction: column; align-items: stretch; }
  .contact-box { flex-direction: column; align-items: flex-start; }
}