/* ============================================================
   programm.art · Startseite
   Inhaltliche Sektionen der neuen Positionierung.
   Tokens/Reset/Header/Footer kommen aus base.css.
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(115% 85% at 82% 12%, #000 0%, transparent 60%);
  -webkit-mask-image: radial-gradient(115% 85% at 82% 12%, #000 0%, transparent 60%);
  opacity: 0.45;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  column-gap: clamp(2rem, 5vw, 4.5rem);
  row-gap: 0;
  /* Oben deutlich weniger Luft, unten mehr: der Block sitzt dadurch
     leicht oberhalb der optischen Mitte. */
  padding-block: clamp(5rem, 12vh, 11rem) clamp(6rem, 14vh, 12rem);
}
.hero-copy { max-width: 40rem; }

.eyebrow {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}
.eyebrow > span { white-space: nowrap; }
.eyebrow .dot { color: var(--line-strong); }

.hero-title {
  font-size: clamp(2.5rem, 6.4vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-left: -0.04em;
  max-width: 20ch;
}

.hero-sub {
  margin-top: 1.5rem;
  font-size: clamp(1.3rem, 2.6vw, 1.6rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--ink);
  max-width: 38ch;
  text-wrap: balance;
}
/* Jede Zeile bleibt für sich zusammen: der Satz bricht genau nach
   „Denken“, nicht zusätzlich nach „Ich verbinde“. */
.hero-sub-line { white-space: nowrap; }
/* Auf schmalen Viewports den festen Umbruch aufheben, damit die Zeile
   natürlich fließt und nicht über den Rand läuft. */
@media (max-width: 640px) {
  .hero-sub-break { display: none; }
  .hero-sub-line { white-space: normal; }
}
.hero-lead {
  margin-top: 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 52ch;
  text-wrap: pretty;
}
.keep {
  display: inline-block;
}
.hero-invite {
  margin-top: 2.5rem;
  font-weight: 500;
}

.link {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  text-decoration-color: var(--line-strong);
  transition: text-decoration-color 0.2s var(--ease), color 0.2s var(--ease);
}
.link:hover {
  text-decoration-color: var(--ink);
  text-decoration-thickness: 2px;
}
.link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.link-ext::after {
  content: " ↗";
  font-size: 0.85em;
  color: var(--muted);
}
.link-big {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  letter-spacing: -0.01em;
  text-decoration-thickness: 2px;
}

.scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}
.scroll-hint-line {
  width: 3rem;
  height: 1px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
  animation: hint-breathe 3.8s ease-in-out infinite;
}
@keyframes hint-breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
.scroll-hint-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  opacity: 0.55;
  transform: translateX(-100%);
  animation: sweep 3.4s var(--ease) infinite;
}
@keyframes sweep {
  0% { transform: translateX(-100%); }
  55% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}
.scroll-hint:hover { color: var(--ink); }

/* ---------- Hero: technische Prinzipskizze ---------- */
/* Etwas angehoben, damit die Mitte der Grafik zur Mitte des Textblocks passt.
   Kein transform, weil shell.js per Inline-Style darauf schreibt. */
.hero-figure {
  align-self: center;
  margin-bottom: 2.5rem;
}
.schematic { width: 100%; height: auto; }
/* Knoten und Linien driften gemeinsam, damit die Linien an den Knoten bleiben. */
.schematic-links,
.schematic-nodes {
  animation: drift 16s ease-in-out infinite alternate;
}
.schematic-nodes rect {
  animation: drift-node 16s ease-in-out infinite alternate;
}
.schematic-nodes rect:nth-child(1) { animation-delay: -1.1s; }
.schematic-nodes rect:nth-child(2) { animation-delay: -2.7s; }
.schematic-nodes rect:nth-child(3) { animation-delay: -4.3s; }
.schematic-nodes rect:nth-child(4) { animation-delay: -5.9s; }
.schematic-nodes rect:nth-child(5) { animation-delay: -7.5s; }
.schematic-nodes rect:nth-child(6) { animation-delay: -9.1s; }
.schematic-nodes rect:nth-child(7) { animation-delay: -10.7s; }
.schematic-nodes rect:nth-child(8) { animation-delay: -12.3s; }
.schematic-nodes rect:nth-child(9) { animation-delay: -13.9s; }
@keyframes drift {
  from { transform: translate(-1px, -0.5px); }
  to { transform: translate(1px, 0.5px); }
}
@keyframes drift-node {
  from { transform: translate(-0.5px, -0.5px); }
  to { transform: translate(0.5px, 0.5px); }
}
.schematic-ticks path {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.2;
}
.schematic-links path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.2;
}
.schematic-nodes rect {
  fill: var(--bg);
  stroke: var(--ink-soft);
  stroke-width: 1.2;
}
.schematic-nodes .node-core {
  fill: var(--ink);
  stroke: none;
}

/* ---------- Sections ---------- */
.section { padding-block: var(--step); border-bottom: 1px solid var(--line); }
.section:last-of-type { border-bottom: 0; }
.section-idea { background: var(--bg-alt); }

.section-head { max-width: var(--prose); margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-index,
.section-title {
  text-wrap: balance;
  max-width: min(32ch, 100%);
}
.section-index {
  display: block;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
.section-title {
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  letter-spacing: -0.02em;
}
.section-lead {
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
  text-wrap: pretty;
  max-width: min(60ch, 100%);
}

.prose { max-width: var(--prose); }
.prose p + p { margin-top: 1.1rem; }
.prose strong { font-weight: 600; }
.prose .aside {
  margin-top: 1.6rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--line-strong);
  color: var(--ink-soft);
  font-style: italic;
}
.prose .principle {
  margin-top: 2.2rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ink);
}

/* ---------- Fragen ---------- */
.question-list {
  max-width: var(--prose);
  counter-reset: q;
  border-top: 1px solid var(--line);
}
.question-list li {
  counter-increment: q;
  position: relative;
  padding: 1.15rem 0 1.15rem 3rem;
  border-bottom: 1px solid var(--line);
  font-size: 1.15rem;
  color: var(--ink);
  text-wrap: pretty;
}
.question-list li::before {
  content: counter(q, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.idea-outro {
  max-width: var(--prose);
  margin-top: 2rem;
  color: var(--ink-soft);
}
.idea-outro + .idea-outro { margin-top: 1.1rem; }

/* ---------- Ablauf ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  counter-reset: s;
}
.process-list li {
  counter-increment: s;
  padding: 1.15rem 1.15rem 1.35rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.process-list li::before {
  content: counter(s, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.process-step {
  display: block;
  font-weight: 600;
  font-size: 0.99rem;
  line-height: 1.3;
  color: var(--ink);
}
.process-desc {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- Themenblock ---------- */
.topic-block {
  max-width: var(--prose);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

/* ---------- Karten ---------- */
.card-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.card {
  background: transparent;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 1.6rem 1.5rem 1.8rem;
  transition: background 0.25s var(--ease);
}
.card:hover { background: var(--bg-alt); }
.card h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0;
  line-height: 1.35;
}
.card p { margin-top: 0.6rem; color: var(--ink-soft); font-size: 0.96rem; }

/* ---------- Split / Skills ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.split-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 1.1rem;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.65rem;
}
.tag-list--stack li {
  border: 0;
  border-radius: 0;
  padding: 0.15rem 0;
  font-size: 1rem;
  color: var(--ink);
}
.tag-list--sm li { font-size: 0.74rem; padding: 0.2rem 0.5rem; }

/* ---------- Projekte ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.project {
  background: transparent;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 1.7rem 1.6rem 1.9rem;
  transition: background 0.25s var(--ease);
}
.project:hover { background: var(--bg-alt); }
.project-title { font-size: 1.4rem; }
.project-desc { margin-top: 0.7rem; color: var(--ink-soft); font-size: 0.98rem; }
.project .tag-list { margin-top: 1.1rem; }

.archive-link {
  margin-top: 2.5rem;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

/* ---------- Kontakt ---------- */
.section-contact { background: var(--bg-alt); }
.contact-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem;
  margin-top: 2rem;
}
.copy-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.copy-btn:hover { color: var(--ink); border-color: var(--ink); }
.copy-btn.is-copied { color: var(--accent-ink); border-color: var(--accent); }
.contact-note {
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-block: clamp(3rem, 12vw, 5rem) clamp(4rem, 16vw, 6rem);
  }
  .eyebrow { margin-bottom: 0; }
  .hero-figure {
    max-width: 20rem;
    width: 100%;
    margin-inline: auto;
    margin-bottom: 0;
    opacity: 0.9;
  }
}

@media (min-width: 1000px) {
  .card-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .card-list { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .question-list li { padding-left: 2.4rem; }
  .eyebrow { flex-wrap: wrap; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .scroll-hint-line::after { display: none; }
  .scroll-hint-line,
  .schematic-links,
  .schematic-nodes,
  .schematic-nodes rect { animation: none; }
}