/* ========================================================================
   ristldesignbuero — Portfolio Pascal Ristl
   Gestaltungsprinzip: SYSTEMATISCH. Raster, Reduktion, Typografie.
   Keine externen Fonts (DSGVO-sicher), keine Frameworks.
   ======================================================================== */

:root {
  --ink: #111111;
  --ink-soft: #6f6f6f;
  --paper: #ffffff;
  --hairline: #e4e4e0;
  --accent: #111111;

  --font-sans: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  --space: clamp(1.25rem, 4vw, 3rem);
  --maxw: 1280px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--paper); }

img { display: block; width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

/* ---- Mono-Labels (Meta-Ebene) ------------------------------------------ */

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---- Layout-Rahmen ------------------------------------------------------ */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

/* ---- Header ------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.wordmark strong { font-weight: 700; }
.wordmark span { color: var(--ink-soft); }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.site-nav a { color: var(--ink-soft); transition: color 0.15s ease; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); }

/* Klammern als System-Signatur */
.site-nav a::before { content: "["; }
.site-nav a::after  { content: "]"; }

/* ---- Intro / Hero ------------------------------------------------------- */

.intro {
  padding-top: clamp(4rem, 12vh, 8rem);
  padding-bottom: clamp(3rem, 10vh, 6rem);
}

.intro h1 {
  font-size: clamp(1.9rem, 5.2vw, 3.6rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 22ch;
  text-wrap: balance;
}

.intro .mono { display: block; margin-bottom: 1.2rem; }

.intro p.lead {
  margin-top: 1.6rem;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ---- Abschnitts-Kopf ---------------------------------------------------- */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-top: 1px solid var(--ink);
  padding-top: 0.7rem;
  margin-bottom: 2rem;
}

/* ---- Projekt-Raster ----------------------------------------------------- */

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: 2.5rem var(--space);
  padding-bottom: clamp(4rem, 10vh, 7rem);
}

.project-card { display: block; }

.project-card .thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: #f6f6f4;
}

.project-card .thumb img {
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.project-card:hover .thumb img { opacity: 0.88; }

.project-card .caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.2rem 1rem;
  margin-top: 0.75rem;
}

.project-card .caption .mono { text-align: right; }

@media (max-width: 560px) {
  .project-card .caption { flex-direction: column; }
  .project-card .caption .mono { text-align: left; }
}

.project-card .title {
  font-size: 0.95rem;
  font-weight: 500;
}

.project-card:hover .title { text-decoration: underline; text-underline-offset: 3px; }

/* Platzhalter für kommende Projekte */
.project-card.placeholder .thumb {
  display: grid;
  place-items: center;
  border-style: dashed;
}

.project-card.placeholder { pointer-events: none; }

/* ---- Bild-Platzhalter (solange Fotos fehlen) ---------------------------- */

.img-placeholder {
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background: #f6f6f4;
  border: 1px dashed var(--hairline);
}

/* ---- Projektseite ------------------------------------------------------- */

.project-hero { padding-top: clamp(3rem, 9vh, 6rem); padding-bottom: 2.5rem; }

.project-hero h1 {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--hairline);
  padding: 1rem 0;
  margin: 2rem 0 3rem;
}

.project-meta dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.2rem; }
.project-meta dd { font-size: 0.92rem; }

.project-body { max-width: 62ch; padding-bottom: 3rem; }
.project-body p + p { margin-top: 1rem; }
.definition {
  font-size: 1.15rem;
  line-height: 1.5;
  border-left: 2px solid var(--ink);
  padding-left: 1.25rem;
  margin: 2rem 0;
}

.project-figures { display: grid; gap: 2.5rem; padding-bottom: clamp(4rem, 10vh, 7rem); }
.project-figures figcaption { margin-top: 0.6rem; }

/* ---- Kapitel (Projektseite) --------------------------------------------- */

.chapter { padding-top: clamp(3rem, 8vh, 5rem); }

.chapter-head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  border-top: 1px solid var(--ink);
  padding-top: 0.7rem;
  margin-bottom: 1.5rem;
}

.chapter-head .nr { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); letter-spacing: 0.06em; }
.chapter-head h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 500; letter-spacing: -0.01em; }

.chapter .text { max-width: 62ch; color: var(--ink); margin-bottom: 2.5rem; }
.chapter .text p + p { margin-top: 0.8rem; }

/* Kapitel-Inhaltsverzeichnis */
.chapter-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  margin: 2rem 0 0;
}
.chapter-index a { color: var(--ink-soft); }
.chapter-index a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.chapter-index a::before { content: "["; }
.chapter-index a::after { content: "]"; }

/* Bild-Raster in Kapiteln */
.figs { display: grid; gap: 2.5rem var(--space); margin-bottom: 1rem; }
.figs.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 700px) { .figs.two { grid-template-columns: 1fr; } }
.figs figure img, .figs figure video { border: 1px solid var(--hairline); }
.figs figcaption { margin-top: 0.6rem; }

video { display: block; width: 100%; height: auto; }

/* Farbklang-Palette */
.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 0.5rem;
  margin: 2rem 0 1rem;
}
.palette .swatch { border: 1px solid var(--hairline); }
.palette .swatch .color { aspect-ratio: 1 / 1; }
.palette .swatch .hex {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 0.35rem 0.4rem;
}

.backlink { display: inline-block; margin-bottom: 2rem; }
.backlink::before { content: "← "; }
.backlink:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---- Über-Seite ---------------------------------------------------------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space);
  padding-bottom: clamp(4rem, 10vh, 7rem);
}

@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }

.about-grid .portrait { border: 1px solid var(--hairline); }

.about-text h2 { font-size: 1rem; font-weight: 700; margin: 2.2rem 0 0.6rem; }
.about-text h2:first-child { margin-top: 0; }
.about-text p { max-width: 58ch; }
.about-text p + p { margin-top: 0.8rem; }

.about-list { list-style: none; }
.about-list li {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.92rem;
}

/* ---- Rechtstexte --------------------------------------------------------- */

.legal { max-width: 62ch; padding-top: clamp(3rem, 9vh, 5rem); padding-bottom: clamp(4rem, 10vh, 7rem); }
.legal h1 { font-size: 1.6rem; font-weight: 500; margin-bottom: 1.5rem; }
.legal h2 { font-size: 1rem; font-weight: 700; margin: 1.8rem 0 0.5rem; }
.legal p + p { margin-top: 0.7rem; }
.legal a { text-decoration: underline; text-underline-offset: 3px; }

/* ---- Footer --------------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--ink); }

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  justify-content: space-between;
  padding-top: 1.4rem;
  padding-bottom: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.site-footer a:hover { color: var(--ink); }

.footer-group { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; }