/* ============================================================
   Markus Dezelak — Mission-Critical & Data Center Construction
   Design system: "engineered infrastructure"
   Base graphite + hi-vis amber signal + IBM Plex Mono annotation
   ============================================================ */

:root {
  /* palette */
  --graphite: #0E1116;   /* deep cool base — data-hall dark        */
  --slate:    #161B22;   /* raised surface — panels / cards        */
  --steel:    #232B36;   /* borders / rules / lighter panel        */
  --steel-2:  #2E3845;   /* hover border                           */
  --mist:     #AEB7C2;   /* secondary text                         */
  --paper:    #EEF2F6;   /* primary text — cool near-white         */
  --hivis:    #FFB400;   /* SIGNATURE accent — safety / hi-vis      */
  --hivis-dim:#C98D00;   /* accent on light / pressed              */
  --live:     #3FB950;   /* status LED green — used once           */

  /* type */
  --display: "Archivo", system-ui, sans-serif;
  --body:    "IBM Plex Sans", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* metrics */
  --maxw: 1140px;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 4px;          /* engineered = near-square */
  --line: 1px solid var(--steel);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  background: var(--graphite);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--hivis); outline-offset: 3px; border-radius: 2px; }

/* faint engineered grid behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--steel) 1px, transparent 1px),
    linear-gradient(90deg, var(--steel) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.16;
  mask-image: radial-gradient(120% 90% at 70% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 90% at 70% 0%, #000 0%, transparent 75%);
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.relative { position: relative; z-index: 1; }

/* ---------- shared type devices ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--hivis);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin: 0;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--hivis);
  display: inline-block;
}
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}
h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
p { margin: 0 0 1rem; }
.lead { color: var(--mist); font-size: 1.075rem; max-width: 60ch; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--graphite) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand__stamp {
  font-family: var(--mono); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.12em;
  color: var(--paper);
  border: 1px solid var(--steel-2);
  padding: 0.35rem 0.5rem; border-radius: var(--radius);
  background: var(--slate);
}
.brand__name { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.06em; color: var(--mist); }
.nav__links { display: flex; align-items: center; gap: 1.5rem; }
.nav__links a {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em;
  color: var(--mist); padding: 0.25rem 0; position: relative; transition: color 0.18s ease;
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--paper); }
.nav__links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 2px; background: var(--hivis);
}
.nav__cta {
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.04em;
  color: var(--graphite) !important; background: var(--hivis);
  padding: 0.5rem 0.9rem; border-radius: var(--radius); font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease;
}
.nav__cta:hover { background: #ffc633; transform: translateY(-1px); }
.nav__toggle { display: none; background: none; border: 1px solid var(--steel-2); color: var(--paper);
  border-radius: var(--radius); padding: 0.4rem 0.55rem; font-family: var(--mono); cursor: pointer; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.03em; font-weight: 600;
  padding: 0.8rem 1.3rem; border-radius: var(--radius); cursor: pointer;
  border: 1px solid transparent; transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.btn--primary { background: var(--hivis); color: var(--graphite); }
.btn--primary:hover { background: #ffc633; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--paper); border-color: var(--steel-2); }
.btn--ghost:hover { border-color: var(--hivis); color: var(--hivis); transform: translateY(-2px); }
.btn__arrow { transition: transform 0.18s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- hero ---------- */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem); }
.hero__grid { display: grid; grid-template-columns: 1.35fr 0.95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero__name {
  font-size: clamp(3.1rem, 9vw, 6.4rem);
  font-stretch: 125%;
  margin: 1.1rem 0 0.4rem;
  text-transform: uppercase;
}
.hero__role {
  font-family: var(--display); font-weight: 600; font-stretch: 112%;
  font-size: clamp(1.15rem, 2.6vw, 1.7rem); color: var(--paper); letter-spacing: -0.01em;
  margin-bottom: 1.4rem;
}
.hero__role b { color: var(--hivis); font-weight: 800; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }

/* portrait spec frame */
.spec-frame { position: relative; border: 1px solid var(--steel); border-radius: var(--radius);
  background: var(--slate); padding: 10px; }
.spec-frame::before, .spec-frame::after {
  content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--hivis);
}
.spec-frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.spec-frame::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.spec-frame__img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 2px;
  background: linear-gradient(160deg, var(--steel), var(--graphite));
  filter: grayscale(0.15) contrast(1.02);
}
.titleblock {
  margin-top: 10px; border-top: 1px solid var(--steel);
  display: grid; grid-template-columns: 1fr 1fr; font-family: var(--mono); font-size: 0.66rem;
}
.titleblock div { padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--steel); }
.titleblock div:nth-child(odd) { border-right: 1px solid var(--steel); }
.titleblock dt { color: var(--mist); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.58rem; }
.titleblock dd { margin: 0.15rem 0 0; color: var(--paper); }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--live); box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 70%, transparent);
  animation: pulse 2.4s ease-out infinite; margin-right: 0.4em; vertical-align: middle; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 60%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ---------- generic section ---------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; border-top: var(--line); }
.section__head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.4rem; flex-wrap: wrap; }
.section__num { font-family: var(--mono); color: var(--hivis); font-size: 0.8rem; letter-spacing: 0.1em; }
.section__title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-stretch: 110%; }
.section__sub { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mist); margin-left: auto; }

/* ---------- thesis / bridge band ---------- */
.bridge { background: var(--slate); border-top: var(--line); border-bottom: var(--line); }
.bridge__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.bridge__col { padding: clamp(2rem, 5vw, 3.4rem) clamp(1.5rem, 4vw, 3rem); }
.bridge__col:first-child { border-right: var(--line); }
.bridge__tag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--hivis); }
.bridge__h { font-family: var(--display); font-weight: 800; font-size: clamp(1.3rem, 3vw, 1.9rem); margin: 0.8rem 0 0.7rem; font-stretch: 108%; }
.bridge__p { color: var(--mist); margin: 0; }
.bridge__lead { max-width: 70ch; margin: 0 auto 2.6rem; text-align: center; font-size: 1.1rem; color: var(--paper); }
.bridge__lead b { color: var(--hivis); font-weight: 700; }

/* ---------- spec stats row ---------- */
.specrow { display: grid; grid-template-columns: repeat(3, 1fr); border: var(--line); border-radius: var(--radius); overflow: hidden; }
.specrow__cell { padding: 1.6rem 1.5rem; }
.specrow__cell + .specrow__cell { border-left: var(--line); }
.specrow__num { font-family: var(--display); font-weight: 800; font-size: clamp(2.2rem, 6vw, 3.4rem); font-stretch: 120%; line-height: 1; }
.specrow__num span { color: var(--hivis); }
.specrow__label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mist); margin-top: 0.5rem; }

/* ---------- competencies (spec sheet) ---------- */
.comp { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--steel); border: var(--line); border-radius: var(--radius); overflow: hidden; }
.comp__group { background: var(--graphite); padding: 1.5rem 1.6rem; }
.comp__gtag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hivis); display: flex; align-items: center; gap: 0.6rem; }
.comp__gtag::before { content: ""; width: 6px; height: 6px; background: var(--hivis); display: inline-block; }
.comp__chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.chip { font-family: var(--body); font-size: 0.82rem; color: var(--paper);
  border: 1px solid var(--steel-2); background: var(--slate); padding: 0.35rem 0.7rem; border-radius: var(--radius);
  transition: border-color 0.18s ease, color 0.18s ease; }
.chip:hover { border-color: var(--hivis); color: var(--hivis); }

/* ---------- certifications ---------- */
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cert {
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem;
  border: var(--line); border-radius: var(--radius); padding: 1.3rem; background: var(--slate);
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.cert:hover { border-color: var(--steel-2); transform: translateY(-3px); }
.cert__logo { width: 46px; height: 46px; object-fit: contain; background: #fff; border-radius: var(--radius); padding: 6px; }
.cert__name { font-family: var(--display); font-weight: 700; font-size: 1rem; }
.cert__meta { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--mist); text-transform: uppercase; }

/* ---------- experience timeline ---------- */
.xp { display: flex; flex-direction: column; }
.xp__item { display: grid; grid-template-columns: 180px 1fr; gap: 1.5rem; padding: 1.8rem 0; border-top: var(--line); }
.xp__item:first-child { border-top: 0; }
.xp__when { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--hivis); padding-top: 0.4rem; }
.xp__co { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.4rem; }
.xp__co img { width: 30px; height: 30px; object-fit: contain; background: #fff; border-radius: 3px; padding: 3px; }
.xp__co span { font-family: var(--mono); font-size: 0.78rem; color: var(--mist); }
.xp__role { font-family: var(--display); font-weight: 800; font-size: 1.25rem; margin-bottom: 0.7rem; font-stretch: 106%; }
.xp__list { margin: 0; padding-left: 1.1rem; color: var(--mist); }
.xp__list li { margin-bottom: 0.4rem; }
.xp__list li::marker { color: var(--hivis); }

/* ---------- education ---------- */
.edu { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.edu__item { display: flex; align-items: center; gap: 1rem; border: var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.3rem; background: var(--slate); }
.edu__item img { width: 40px; height: 40px; object-fit: contain; background: #fff; border-radius: 3px; padding: 5px; }
.edu__deg { font-family: var(--display); font-weight: 700; font-size: 1rem; }
.edu__school { font-family: var(--mono); font-size: 0.72rem; color: var(--mist); }
.edu__year { margin-left: auto; font-family: var(--mono); font-size: 0.72rem; color: var(--hivis); white-space: nowrap; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.contact-card { border: var(--line); border-radius: var(--radius); padding: 1.6rem; background: var(--slate);
  transition: border-color 0.18s ease, transform 0.18s ease; }
.contact-card:hover { border-color: var(--hivis); transform: translateY(-3px); }
.contact-card__k { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mist); }
.contact-card__v { font-family: var(--display); font-weight: 700; font-size: 1.15rem; margin-top: 0.5rem; word-break: break-word; }
.contact-card__v a:hover { color: var(--hivis); }

/* ---------- footer title block ---------- */
.footer { border-top: var(--line); margin-top: 1rem; }
.tblock { display: grid; grid-template-columns: repeat(5, 1fr); font-family: var(--mono); }
.tblock__cell { padding: 1.2rem 1rem; border-right: var(--line); }
.tblock__cell:last-child { border-right: 0; }
.tblock__k { font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mist); }
.tblock__v { font-size: 0.82rem; color: var(--paper); margin-top: 0.45rem; }
.tblock__v a:hover { color: var(--hivis); }
.footer__bar { border-top: var(--line); padding: 1.1rem 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.68rem; color: var(--mist); letter-spacing: 0.06em; }

/* ---------- reveal animation (progressive enhancement; only hides when JS active) ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { max-width: 360px; }
  .bridge__grid { grid-template-columns: 1fr; }
  .bridge__col:first-child { border-right: 0; border-bottom: var(--line); }
  .comp { grid-template-columns: 1fr; }
  .certs { grid-template-columns: repeat(2, 1fr); }
  .edu, .contact-grid { grid-template-columns: 1fr; }
  .tblock { grid-template-columns: repeat(2, 1fr); }
  .tblock__cell:nth-child(odd) { border-right: var(--line); }
  .tblock__cell { border-bottom: var(--line); }
}
@media (max-width: 620px) {
  .nav__links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: flex-start;
    gap: 0; background: var(--graphite); border-bottom: var(--line); padding: 0.5rem var(--gutter) 1.2rem;
    transform: translateY(-120%); transition: transform 0.28s ease; }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { width: 100%; padding: 0.85rem 0; border-bottom: 1px solid var(--steel); font-size: 0.9rem; }
  .nav__links .nav__cta { margin-top: 0.6rem; width: 100%; text-align: center; }
  .nav__toggle { display: inline-block; }
  .specrow { grid-template-columns: 1fr; }
  .specrow__cell + .specrow__cell { border-left: 0; border-top: var(--line); }
  .certs { grid-template-columns: 1fr; }
  .xp__item { grid-template-columns: 1fr; gap: 0.6rem; }
  .tblock { grid-template-columns: 1fr; }
  .tblock__cell { border-right: 0; }
}

/* ---------- print (resume.pdf source) ---------- */
@media print {
  @page { margin: 14mm; }
  body { background: #fff; color: #111; }
  body::before, .nav, .footer, .no-print, .hero__cta, .nav__toggle { display: none !important; }
  .section, .hero { padding: 0.5rem 0; border: 0; }
  a { color: #111; }
}