/* =========================================================
   Felix Pfarr - Bewerbungswebsite
   Es werden ausschliesslich Schriften verwendet, die auf dem
   Geraet des Besuchers vorhanden sind. Es wird nichts
   nachgeladen, weder vom eigenen Server noch von Dritten.
   ========================================================= */

/* ---------- Token ---------- */
:root {
  --paper:      #e8ebe6;
  --paper-hi:   #f3f5f1;
  --ink:        #14201d;
  --ink-soft:   #4d5a55;
  --rule:       #c7cec4;
  --signal:     #1f4e79;
  --signal-hi:  #2c6ba3;
  --grid-line:  transparent;

  --measure: 66ch;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --section-space: clamp(3.5rem, 8vw, 6.5rem);

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- Grundlagen ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; margin: 0; font-weight: 700; letter-spacing: -0.015em; }
p { margin: 0 0 1em; max-width: var(--measure); }
ul, ol, dl { margin: 0; padding: 0; }
li { list-style: none; }

a { color: var(--signal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--signal-hi); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.wrap { width: min(100% - 2.5rem, 1080px); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--paper);
  padding: .6rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 99; }

/* ---------- Kopfleiste ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(232, 235, 230, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 3.6rem;
}
.wordmark {
  font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none;
}
.nav-list { display: flex; gap: 1.4rem; font-size: .95rem; }
.nav-list a { color: var(--ink-soft); text-decoration: none; }
.nav-list a:hover, .nav-list a.is-active { color: var(--signal); }

.nav-toggle {
  display: none;
  font: inherit; font-size: .95rem;
  background: none; border: 1px solid var(--rule);
  border-radius: 2px; padding: .3rem .7rem;
  color: var(--ink); cursor: pointer;
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(3.5rem, 11vw, 7rem) clamp(2.5rem, 6vw, 4rem); }

.kicker {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}
.hero h1 {
  font-size: clamp(2.7rem, 8vw, 4.6rem);
  letter-spacing: -0.035em;
  margin-bottom: 1.1rem;
}
.lede {
  font-size: clamp(1.05rem, 1.9vw, 1.24rem);
  max-width: 54ch;
  color: var(--ink);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }

.btn {
  display: inline-block;
  padding: .62rem 1.25rem;
  background: var(--signal); color: var(--paper-hi);
  text-decoration: none; border-radius: 2px;
  border: 1px solid var(--signal);
  transition: background-color .15s ease;
}
.btn:hover { background: var(--signal-hi); color: var(--paper-hi); }
.btn-quiet { background: transparent; color: var(--signal); border-color: var(--rule); }
.btn-quiet:hover { background: transparent; border-color: var(--signal); }

/* ---------- Sektionen ---------- */
.section { padding-block: var(--section-space); border-top: 1px solid var(--rule); }
.section > .wrap > h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.05rem);
  margin-bottom: 1rem;
}
.section-intro { color: var(--ink-soft); max-width: 58ch; margin-bottom: 2.5rem; }

/* ---------- Ablaufdiagramm in den Projekten ---------- */
.project-flow {
  margin-top: 2.2rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}
.flow-caption {
  font-size: .92rem;
  color: var(--ink-soft);
  margin: 0;
}
.flow-foot {
  font-size: .88rem; color: var(--ink-soft);
  max-width: 62ch; margin: 1rem 0 0;
}

.pipeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 1.1rem;
}
.pipeline > .stage { flex: 1 1 0; min-width: 0; }

.stage {
  border: 1px solid var(--rule);
  border-top: 3px solid var(--signal);
  background: var(--paper);
  padding: .85rem .8rem 1rem;
}
.stage-label {
  font-size: .78rem; letter-spacing: .04em;
  color: var(--signal); font-weight: 500;
  margin: 0 0 .7rem;
}
.nodes li {
  font-family: var(--mono);
  font-size: .74rem;
  line-height: 1.4;
  color: var(--ink);
  padding: .3rem 0;
  border-top: 1px solid var(--rule);
}
.nodes li:first-child { border-top: none; padding-top: 0; }

.link { position: relative; flex: 0 0 30px; }
.link::before {
  content: ""; position: absolute;
  top: 50%; left: 0; right: 0; height: 1px;
  background: var(--rule);
}
.pulse {
  position: absolute; top: 50%; left: 0;
  width: 6px; height: 6px; margin-top: -3px;
  background: var(--signal);
  animation: flow-x 2.6s linear infinite;
}
.link:nth-child(4) .pulse { animation-delay: .45s; }
.link:nth-child(6) .pulse { animation-delay: .90s; }
.link:nth-child(8) .pulse { animation-delay: 1.35s; }

@keyframes flow-x {
  0%   { transform: translateX(-2px); opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateX(30px); opacity: 0; }
}

/* ---------- Werdegang ---------- */
.timeline > li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: var(--gap);
  padding-block: 1.8rem;
  border-top: 1px solid var(--rule);
}
.timeline > li:first-child { border-top: none; padding-top: 0; }

.tl-when {
  font-family: var(--mono);
  font-size: .84rem;
  color: var(--ink-soft);
  margin: 0; padding-top: .25rem;
}
.tl-what h3 { font-size: 1.16rem; margin-bottom: .2rem; }
.tl-org { color: var(--signal); font-size: .95rem; margin-bottom: .8rem; }
.tl-what p:last-of-type { margin-bottom: 0; }

.tl-points { margin-top: 1rem; }
.tl-points li {
  font-size: .93rem;
  line-height: 1.5;
  color: var(--ink-soft);
  padding: .45rem 0;
  border-top: 1px solid var(--rule);
  max-width: var(--measure);
}
.tl-points li:first-child { border-top: none; }

/* ---------- Projekte ---------- */
.project { padding-block: 2.6rem; border-top: 1px solid var(--rule); }
.project:first-of-type { border-top: none; padding-top: .4rem; }

.project-head { margin-bottom: 1.6rem; }
.project-head h3 { font-size: clamp(1.2rem, 2.4vw, 1.45rem); }
.project-meta {
  font-family: var(--mono);
  font-size: .8rem; color: var(--ink-soft);
  margin: .45rem 0 0;
}

.project-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}
.project-text p:last-of-type { margin-bottom: 1.2rem; }

.stack { display: flex; flex-wrap: wrap; gap: .4rem; }
.stack li {
  font-family: var(--mono);
  font-size: .72rem;
  padding: .22rem .55rem;
  border: 1px solid var(--rule);
  background: var(--paper-hi);
  color: var(--ink-soft);
}

.media-stack { display: grid; gap: 1.3rem; align-content: start; }

.callout {
  border-left: 3px solid var(--signal);
  background: var(--paper-hi);
  padding: .95rem 1.15rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
}
.callout p { margin: 0; }

.media { margin: 0; }

/* Bilder in ihrer eigenen Auflösung: nie beschnitten, nie hochskaliert,
   nur verkleinert, wenn die Spalte schmaler ist als das Bild. */
figure.media img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin-inline: 0;
  aspect-ratio: auto;
  object-fit: contain;
  background: none;
  border: none;
  padding: 0;
}

/* Videos behalten eine feste Fläche, damit der Platz reserviert bleibt,
   solange die Datei noch fehlt. */
.media video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--paper-hi);
  border: 1px solid var(--rule);
}

/* Diagramme und Screenshots mit weissem Hintergrund gehen im Papierton auf,
   statt als helles Rechteck auf der Seite zu liegen. */
figure.media.media--blend img { mix-blend-mode: multiply; }

/* Selbst gezeichnetes Schema: skaliert verlustfrei und nutzt die Farben der Seite */
.figure-svg svg { display: block; width: 100%; height: auto; }
.sv-box { fill: var(--paper-hi); stroke: var(--rule); stroke-width: 1; }
.sv-cap { fill: var(--signal); stroke: none; }
.sv-line { stroke: var(--ink-soft); stroke-width: 1.4; fill: none; }
.sv-dash { stroke-dasharray: 5 4; }
.sv-t {
  fill: var(--ink); font-family: var(--sans); font-size: 14px;
  font-weight: 500; text-anchor: middle;
}
.sv-s {
  fill: var(--ink-soft); font-family: var(--mono); font-size: 11px;
  text-anchor: middle;
}
.sv-rule { stroke: var(--rule); stroke-width: 1; }
.sv-h {
  fill: var(--ink); font-family: var(--sans); font-size: 13px;
  font-weight: 500; text-anchor: start;
}
.sv-lab {
  fill: var(--ink-soft); font-family: var(--mono); font-size: 11px;
  text-anchor: end;
}
.sv-val {
  fill: var(--ink); font-family: var(--mono); font-size: 12px;
  text-anchor: start;
}
.sv-bar-a { fill: #9aa8a2; }
.sv-bar-b { fill: var(--signal); }
.sv-bar-c { fill: #5c7f9e; }
.media figcaption {
  font-size: .82rem; color: var(--ink-soft);
  margin-top: .5rem;
}

/* ---------- Kenntnisse ---------- */
.skills {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: 0 var(--gap);
}
.skills dt {
  font-weight: 500;
  padding-block: .9rem;
  border-top: 1px solid var(--rule);
}
.skills dd {
  margin: 0;
  padding-block: .9rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
}
.skills dt:first-of-type, .skills dd:first-of-type { border-top: none; }

/* ---------- Kontakt ---------- */
.contact-list { display: grid; gap: .1rem; max-width: 34rem; }
.contact-list li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding-block: .75rem;
  border-top: 1px solid var(--rule);
}
.contact-list li:first-child { border-top: none; }
.contact-list span { color: var(--ink-soft); font-size: .9rem; }

/* ---------- Fußzeile ---------- */
.footer { border-top: 1px solid var(--rule); padding-block: 2rem; }
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: space-between;
  font-size: .88rem; color: var(--ink-soft);
}
.footer p { margin: 0; }

/* ---------- Weiterführende Links im Projekt ---------- */
.project-links {
  display: flex; flex-wrap: wrap; gap: .7rem;
  margin-top: 1.4rem;
}
.project-links .btn { padding: .5rem 1rem; font-size: .93rem; }

/* ---------- Unterseiten der Projekte ---------- */
.subhead { padding-block: clamp(2.5rem, 7vw, 4rem) 0; }
.crumb {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.crumb a { color: var(--ink-soft); }
.crumb a:hover { color: var(--signal); }

.subhead h1 {
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  max-width: 22ch;
}
.subhead .lede { max-width: 60ch; }

.facts {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 0 var(--gap);
  margin-top: 2.2rem;
  max-width: 46rem;
}
.facts dt {
  font-size: .82rem;
  color: var(--signal);
  padding-block: .7rem;
  border-top: 1px solid var(--rule);
}
.facts dd {
  margin: 0;
  padding-block: .7rem;
  border-top: 1px solid var(--rule);
  font-size: .95rem;
}
.facts dt:first-of-type, .facts dd:first-of-type { border-top: none; }

.step { padding-block: clamp(2.4rem, 5vw, 3.4rem); border-top: 1px solid var(--rule); }
.step h2 { font-size: clamp(1.3rem, 2.8vw, 1.6rem); margin-bottom: 1rem; }

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin: 1.8rem 0 2.2rem;
}
.figure-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
/* linke Spalte schmaler: für ein hochformatiges neben einem breiten Bild */
.figure-grid--split { grid-template-columns: auto minmax(0, 1fr); align-items: start; }

.figure-wide { margin: 1.8rem 0 2.2rem; }
.figure-wide .media video { aspect-ratio: 16 / 9; }

/* Wichtige Abbildungen dürfen breiter sein als die Textspalte */
.bleed {
  width: min(calc(100vw - 3rem), 1440px);
  margin-left: 50%;
  transform: translateX(-50%);
}

.todo {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--signal);
  background: var(--signal-soft, rgba(31, 78, 121, 0.09));
  border: 1px dashed var(--signal);
  padding: .15rem .4rem;
}

.endnote {
  border-top: 1px solid var(--rule);
  padding-block: 2.6rem;
}

/* ---------- Rechtstext-Seite ---------- */
.legal { padding-block: 3.5rem 5rem; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 1.5rem; }
.legal h2 { font-size: 1.15rem; margin-block: 2rem .6rem; }

/* ---------- Schmale Bildschirme ---------- */
@media (max-width: 860px) {
  .pipeline { flex-direction: column; }
  .link { flex: 0 0 30px; min-height: 30px; }
  .link::before {
    top: 0; bottom: 0; left: 50%; right: auto;
    width: 1px; height: auto;
  }
  .pulse { top: 0; left: 50%; margin: 0 0 0 -3px; animation-name: flow-y; }
  @keyframes flow-y {
    0%   { transform: translateY(-2px); opacity: 0; }
    15%  { opacity: 1; }
    85%  { opacity: 1; }
    100% { transform: translateY(30px); opacity: 0; }
  }

  .project-body { grid-template-columns: 1fr; }
  .media { order: -1; }
  .timeline > li { grid-template-columns: 1fr; gap: .4rem; }
  .skills { grid-template-columns: 1fr; gap: 0; }
  .facts { grid-template-columns: 1fr; gap: 0; }
  .facts dd { border-top: none; padding-top: 0; padding-bottom: .9rem; }
  .figure-grid, .figure-grid--three { grid-template-columns: 1fr; }
  .bleed { width: 100%; margin-left: 0; transform: none; }
  .skills dd { border-top: none; padding-top: 0; padding-bottom: 1.1rem; }

  .nav-toggle { display: block; }
  .nav-list {
    display: none;
    position: absolute; right: 1.25rem; top: 3.4rem;
    flex-direction: column; gap: .2rem;
    background: var(--paper-hi);
    border: 1px solid var(--rule);
    padding: .7rem 1.1rem;
    min-width: 11rem;
  }
  .nav-list.is-open { display: flex; }
  .nav-list li { padding-block: .35rem; }
}

/* ---------- Reduzierte Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pulse { display: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}