/* ============================================================
   kristian — personal site v2 (interactive)
   Dark "declassified dossier" theme
   ============================================================ */
:root {
  --bg: #0b0f14;
  --bg-2: #11161d;
  --bg-3: #161d26;
  --line: #202b36;
  --text: #d7dee6;
  --muted: #8b98a5;
  --green: #4cc38a;
  --green-deep: #1b7340;
  --steel: #6ea8d8;
  --amber: #d9a13b;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Archivo", var(--sans);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(76, 195, 138, 0.28); }
a { color: var(--green); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--steel); outline-offset: 2px; }
img { max-width: 100%; }

/* ---------- classification banner (signature) ---------- */
.classification {
  background: var(--green-deep);
  color: #fff;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-align: center;
  padding: 5px 12px;
  text-transform: uppercase;
  position: relative;
  z-index: 60;
}

/* ---------- nav ---------- */
nav.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}
.nav-name .dot { color: var(--green); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--green); border-bottom-color: var(--green); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 10px;
  cursor: pointer;
}

/* ---------- hero ---------- */
header.hero {
  position: relative;
  min-height: calc(100svh - 96px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
#net-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  padding: 64px 24px;
}
.hero-prompt {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
}
.hero-prompt .user { color: var(--green); }
.hero-prompt .path { color: var(--steel); }
h1.hero-name {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(44px, 8vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  text-transform: uppercase;
}
.typed-line {
  font-family: var(--mono);
  font-size: clamp(16px, 2.4vw, 21px);
  color: var(--text);
  min-height: 1.6em;
  margin-bottom: 26px;
}
.typed-line .cursor {
  display: inline-block;
  width: 0.55em;
  background: var(--green);
  animation: blink 1s steps(1) infinite;
  color: transparent;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  font-family: var(--mono);
  font-size: 13.5px;
  text-decoration: none;
  padding: 11px 20px;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--bg-2);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.btn:hover { border-color: var(--green); transform: translateY(-1px); }
.btn.primary { background: var(--green-deep); border-color: var(--green-deep); color: #fff; }
.btn.primary:hover { border-color: var(--green); }
.scroll-hint {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  z-index: 2;
}

/* ---------- layout / sections ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px 96px; }
section { padding-top: 96px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 6px;
}
h2.section-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  text-transform: uppercase;
}
.section-sub { color: var(--muted); margin: 0 0 36px; max-width: 64ch; }

/* reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; margin-bottom: 36px; }
.about-photo { margin: 0; }
.about-photo img {
  width: 100%;
  display: block;
  border-radius: 6px;
  border: 1px solid var(--line);
  filter: saturate(0.92);
}
.about-photo figcaption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 10px;
  text-align: center;
}
.about-quote {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  border-left: 3px solid var(--green);
  padding-left: 18px;
  margin: 0 0 20px;
}
.about-text p { color: var(--muted); margin: 0 0 16px; }
.about-text b { color: var(--text); font-weight: 600; }
.redact {
  background: var(--text);
  color: var(--text);
  border-radius: 2px;
  padding: 0 4px;
  cursor: help;
  transition: background 0.25s ease, color 0.25s ease;
}
.redact:hover, .redact:focus-visible { background: transparent; color: var(--green); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 860px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  text-align: left;
}
.stat .num {
  font-family: var(--display);
  font-size: 40px;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat .num sup { font-size: 20px; }
.stat .label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* ---------- skills ---------- */
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 44px; }
.skill { margin-bottom: 4px; }
.skill .skill-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 13.5px;
  margin-bottom: 7px;
}
.skill .pct { color: var(--muted); }
.bar {
  height: 7px;
  background: var(--bg-3);
  border-radius: 4px;
  overflow: hidden;
}
.bar .fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green-deep), var(--green));
  border-radius: 4px;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
@media (prefers-reduced-motion: reduce) { .bar .fill { transition: none; } }

/* ---------- interests ---------- */
.interests { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.interest {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.interest:hover { border-color: var(--green); transform: translateY(-2px); }
.interest .icon { font-size: 20px; line-height: 1; }
.interest .name { font-family: var(--mono); font-size: 13px; }

/* ---------- certifications ---------- */
.cert-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.cert {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  position: relative;
}
.cert h3 { font-family: var(--display); font-size: 18px; margin: 0 0 4px; }
.cert .issuer { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }
.cert p { font-size: 14px; color: var(--muted); margin: 0; }
.status {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 3px;
}
.status.earned { background: rgba(76, 195, 138, 0.14); color: var(--green); }
.status.progress { background: rgba(217, 161, 59, 0.14); color: var(--amber); }
.status.planned { background: rgba(139, 152, 165, 0.14); color: var(--muted); }

/* ---------- resume ---------- */
.resume-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.resume-col h3 {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 20px;
}
.ritem {
  position: relative;
  padding: 0 0 28px 26px;
  border-left: 1px solid var(--line);
}
.ritem:last-child { padding-bottom: 4px; }
.ritem::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--green);
}
.ritem h4 { font-family: var(--display); font-size: 17.5px; margin: 0 0 2px; }
.ritem .when {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green);
  background: rgba(76, 195, 138, 0.1);
  padding: 1px 8px;
  border-radius: 3px;
  margin: 4px 0 8px;
}
.ritem .where { font-style: italic; color: var(--muted); font-size: 14.5px; margin: 0 0 8px; }
.ritem ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14.5px; }
.ritem li { margin-bottom: 5px; }

/* ---------- projects ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.filters button {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  background: var(--bg-2);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 7px 14px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.filters button:hover { color: var(--text); }
.filters button.active { color: var(--green); border-color: var(--green); }

.projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; }
.project {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, opacity 0.3s ease;
}
.project:hover { border-color: var(--steel); transform: translateY(-2px); }
.project.hidden { display: none; }
.project h3 { font-family: var(--display); font-size: 17.5px; margin: 0 0 8px; }
.project p { font-size: 14.5px; color: var(--muted); margin: 0 0 14px; flex: 1; }
.project .tags { font-family: var(--mono); font-size: 11.5px; color: var(--steel); }

/* ---------- field notes ---------- */
.posts { list-style: none; margin: 0; padding: 0; }
.posts li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.posts .date { font-family: var(--mono); font-size: 13px; color: var(--muted); padding-top: 2px; }
.posts a { color: var(--text); font-weight: 600; text-decoration: none; font-size: 17px; }
.posts a:hover { color: var(--green); text-decoration: underline; }
.posts p { margin: 4px 0 0; font-size: 14.5px; color: var(--muted); }

/* ---------- contact ---------- */
.contact-links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.contact-links a {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 11px 18px;
  border-radius: 4px;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-links a:hover { border-color: var(--green); transform: translateY(-1px); }

/* ---------- footer / misc ---------- */
footer { border-top: 1px solid var(--line); margin-top: 96px; }
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
#backtop {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--green);
  font-family: var(--mono);
  font-size: 16px;
  width: 42px;
  height: 42px;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, border-color 0.2s ease;
}
#backtop.show { opacity: 1; pointer-events: auto; }
#backtop:hover { border-color: var(--green); }

/* ---------- article (blog pages) ---------- */
article.post { max-width: 72ch; padding-top: 56px; }
article.post h1 {
  font-family: var(--display);
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0 0 10px;
}
article.post .post-meta { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-bottom: 34px; }
article.post h2 { font-family: var(--display); font-size: 23px; margin-top: 40px; }
article.post p { color: var(--muted); }
article.post p b, article.post p em { color: var(--text); }
article.post pre {
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  padding: 18px 20px;
  border-radius: 6px;
  overflow-x: auto;
}
article.post code { font-family: var(--mono); font-size: 0.92em; }
article.post p code, article.post li code { background: var(--bg-3); padding: 1px 6px; border-radius: 3px; }
.back-link { font-family: var(--mono); font-size: 13px; color: var(--green); text-decoration: none; }
.back-link:hover { text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .about-grid, .skills-grid, .resume-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 280px; }
  .resume-grid { gap: 8px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; border-bottom: none; }
  .posts li { grid-template-columns: 1fr; gap: 4px; }
  section { padding-top: 72px; }
}