/* Urbangraphix, shared stylesheet for index.html, flickr.html, impressum.html */

  :root {
    --paper: #ece2cc;
    --paper-dim: #cfc3a6;
    --ink: #15130f;
    --ink-2: #1e1a14;
    --ink-3: #29241c;
    --rust: #c2502b;
    --rust-bright: #e2703f;
    --ochre: #dc9a3c;
    --indigo: #33456a;
    --indigo-bright: #4d6494;
    --teal: #3e6b66;
    --violet: #6a5a78;
    --line: rgba(236, 226, 205, 0.16);
    --line-strong: rgba(236, 226, 205, 0.32);
    --shadow: rgba(0, 0, 0, 0.45);
    --font-display: "Anton", "Arial Narrow", sans-serif;
    --font-body: "Fraunces", "Iowan Old Style", Georgia, serif;
    --font-mono: "Space Mono", "SF Mono", monospace;
    --content-max: 1400px;
    --edge: max(1.25rem, calc((100% - var(--content-max)) / 2));
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  }

  body {
    margin: 0;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; display: block; }

  a { color: inherit; }

  /* ---------- grain / texture overlay ---------- */
  .grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 500;
    opacity: 0.05;
    mix-blend-mode: overlay;
  }

  .hatch-field {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.5;
    background-image:
      repeating-linear-gradient(115deg, transparent 0 3px, rgba(236,226,205,0.035) 3px 4px, transparent 4px 9px),
      repeating-linear-gradient(25deg, transparent 0 5px, rgba(194,80,43,0.05) 5px 6px, transparent 6px 13px);
  }

  /* ---------- nav ---------- */
  header.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 1.1rem;
    padding-inline: var(--edge);
    background: rgba(21, 19, 15, 0.86);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
  }

  .wordmark {
    font-family: var(--font-display);
    font-size: 1.15rem;
    letter-spacing: 0.03em;
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
  }
  .wordmark .dot { color: var(--rust-bright); font-family: var(--font-mono); font-size: 0.9rem; }

  nav.links {
    display: flex;
    gap: clamp(0.9rem, 2vw, 2rem);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  nav.links a { text-decoration: none; color: var(--paper-dim); border-bottom: 1px solid transparent; padding-bottom: 2px; transition: color 0.2s ease, border-color 0.2s ease; }
  nav.links a:hover, nav.links a:focus-visible { color: var(--ochre); border-color: var(--ochre); }
  nav.links a:focus-visible { outline: 2px solid var(--ochre); outline-offset: 3px; }

  /* ---------- mobile nav toggle (hamburger) ---------- */
  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    background: transparent;
    border: 1px solid var(--line-strong);
    cursor: pointer;
  }
  .nav-toggle span {
    display: block;
    width: 1.1rem;
    height: 1.5px;
    background: var(--paper);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav-toggle:hover, .nav-toggle:focus-visible { border-color: var(--ochre); outline: none; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  /* ---------- hero ---------- */
  .hero {
    position: relative;
    padding-block: clamp(4rem, 12vw, 8rem) clamp(5rem, 10vw, 7rem);
    padding-inline: var(--edge);
    overflow: hidden;
    background:
      radial-gradient(60% 55% at 78% 12%, rgba(220,154,60,0.18), transparent 60%),
      radial-gradient(50% 45% at 8% 88%, rgba(51,69,106,0.35), transparent 65%),
      var(--ink);
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
  }

  .hero-copy { min-width: 0; }
  .hero-visual { position: relative; z-index: 2; justify-self: end; min-width: 0; width: 100%; }
  .hero-plate { max-width: clamp(160px, 26vw, 360px); margin-left: auto; }

  @media (max-width: 520px) {
    .hero { grid-template-columns: 1fr; }
    .hero-visual { justify-self: center; }
    .hero-plate { max-width: min(60vw, 280px); margin: 0 auto; }
  }

  .hero-tag {
    position: relative;
    z-index: 2;
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ochre);
    border: 1px solid var(--line-strong);
    padding: 0.4rem 0.75rem;
    margin-bottom: 1.75rem;
    transform: rotate(-1deg);
  }

  h1.hero-title {
    position: relative;
    z-index: 2;
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: clamp(2.4rem, 5.4vw, 5.6rem);
    line-height: 0.96;
    letter-spacing: 0.005em;
    margin: 0 0 1.75rem;
    max-width: 14ch;
    text-wrap: balance;
  }
  h1.hero-title em {
    font-style: normal;
    color: var(--ink);
    background: linear-gradient(100deg, var(--rust) 0%, var(--rust-bright) 55%, var(--ochre) 100%);
    padding: 0 0.15em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
  }

  .hero-sub {
    position: relative;
    z-index: 2;
    max-width: 46ch;
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: var(--paper-dim);
    margin: 0 0 2.5rem;
  }

  .hero-actions {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
  }

  .btn-primary {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--ink);
    background: var(--ochre);
    padding: 0.95rem 1.6rem;
    border: 1px solid var(--ochre);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    display: inline-block;
  }
  .btn-primary:hover, .btn-primary:focus-visible { background: transparent; color: var(--ochre); transform: translateY(-1px); }
  .btn-primary:focus-visible { outline: 2px solid var(--ochre); outline-offset: 3px; }

  .scroll-cue {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--paper-dim);
    opacity: 0.7;
  }

  /* ---------- section shell ---------- */
  section { position: relative; padding-block: clamp(3.5rem, 8vw, 6.5rem); padding-inline: var(--edge); }

  .eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--rust-bright);
    margin-bottom: 1.1rem;
  }
  .eyebrow::before { content: ""; width: 2.25rem; height: 1px; background: var(--rust-bright); display: block; }

  h2.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: clamp(2rem, 4.6vw, 3.4rem);
    line-height: 1.02;
    margin: 0 0 2.25rem;
    max-width: 20ch;
    text-wrap: balance;
  }

  /* ---------- methode (intro) ---------- */
  .methode {
    background: var(--ink-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .methode-grid {
    display: grid;
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
  }
  .methode-body p { max-width: 62ch; color: var(--paper); margin: 0 0 1.3rem; }
  .methode-body p:last-child { margin-bottom: 0; }

  .marginalia {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.75;
    color: var(--paper-dim);
    border-left: 1px solid var(--line-strong);
    padding-left: 1.5rem;
  }
  .marginalia .pull {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.3rem;
    line-height: 1.4;
    color: var(--ochre);
    display: block;
    margin-bottom: 1.25rem;
  }

  /* ---------- prozess ---------- */
  .prozess-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
  }
  .step {
    background: var(--ink);
    padding: 2rem 1.75rem 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
  }
  .step .num {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--teal);
  }
  .step h3 {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: 1.4rem;
    margin: 0;
    letter-spacing: 0.01em;
  }
  .step p { margin: 0; color: var(--paper-dim); font-size: 0.98rem; }

  /* ---------- galerie ---------- */
  .galerie { background: var(--ink); }
  .galerie-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  .galerie-head p { max-width: 42ch; color: var(--paper-dim); margin: 0; font-size: 0.98rem; }

  .grid-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.25rem, 2.5vw, 2rem);
  }
  .grid-gallery figure { margin: 0; }
  .grid-gallery figure:nth-child(3n+1) { transform: rotate(-0.6deg); }
  .grid-gallery figure:nth-child(3n+2) { transform: rotate(0.5deg); }
  .grid-gallery figure:nth-child(3n)   { transform: rotate(-0.3deg); }

  .plate {
    position: relative;
    aspect-ratio: 1 / 1.468;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    box-shadow: 0 18px 34px -18px var(--shadow);
    isolation: isolate;
  }
  .plate .art { position: absolute; inset: 0; }
  .plate .art-photo {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
  }
  .plate .hatch-field { opacity: 0.6; }

  .plate::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(190deg, transparent 45%, rgba(0,0,0,0.55) 100%);
    z-index: 2;
  }

  .plate .frame-label {
    position: absolute;
    top: 0.9rem; left: 0.9rem;
    z-index: 3;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper);
    background: rgba(21,19,15,0.55);
    padding: 0.3rem 0.55rem;
    border: 1px solid rgba(236,226,205,0.35);
  }
  .plate .ar-label {
    position: absolute;
    top: 0.9rem; right: 0.9rem;
    z-index: 3;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: rgba(236,226,205,0.65);
    transform: rotate(90deg);
    transform-origin: top right;
    white-space: nowrap;
  }
  .plate figcaption {
    position: absolute;
    left: 0.9rem; right: 0.9rem; bottom: 0.9rem;
    z-index: 3;
  }
  .plate figcaption .title {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: 1.15rem;
    letter-spacing: 0.01em;
    display: block;
  }
  .plate figcaption .meta {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    color: rgba(236,226,205,0.7);
    display: block;
    margin-top: 0.25rem;
  }

  /* individual art washes, evoking the brief's palette without depicting real people */
  .art-1 { background:
      radial-gradient(120% 90% at 20% 10%, rgba(226,112,63,0.9), transparent 55%),
      radial-gradient(90% 70% at 85% 25%, rgba(220,154,60,0.75), transparent 60%),
      radial-gradient(100% 80% at 60% 95%, rgba(51,69,106,0.85), transparent 60%),
      linear-gradient(160deg, #1f1b14, #100e0b); }
  .art-2 { background:
      radial-gradient(100% 80% at 80% 15%, rgba(77,100,148,0.9), transparent 55%),
      radial-gradient(90% 70% at 10% 80%, rgba(62,107,102,0.75), transparent 60%),
      radial-gradient(70% 60% at 50% 40%, rgba(194,80,43,0.55), transparent 65%),
      linear-gradient(170deg, #171b22, #0e0f10); }
  .art-3 { background:
      radial-gradient(110% 85% at 15% 90%, rgba(194,80,43,0.95), transparent 55%),
      radial-gradient(85% 65% at 90% 10%, rgba(106,90,120,0.7), transparent 60%),
      radial-gradient(70% 60% at 50% 50%, rgba(220,154,60,0.5), transparent 65%),
      linear-gradient(155deg, #1c150f, #0f0d0a); }
  .art-4 { background:
      radial-gradient(100% 80% at 85% 85%, rgba(51,69,106,0.95), transparent 55%),
      radial-gradient(90% 70% at 15% 15%, rgba(226,112,63,0.65), transparent 60%),
      radial-gradient(60% 50% at 50% 50%, rgba(62,107,102,0.5), transparent 65%),
      linear-gradient(165deg, #14161c, #0c0d10); }
  .art-5 { background:
      radial-gradient(110% 85% at 25% 20%, rgba(220,154,60,0.9), transparent 55%),
      radial-gradient(85% 65% at 80% 80%, rgba(194,80,43,0.7), transparent 60%),
      radial-gradient(70% 55% at 50% 50%, rgba(106,90,120,0.5), transparent 65%),
      linear-gradient(160deg, #1e1a12, #100e0a); }
  .art-6 { background:
      radial-gradient(100% 80% at 75% 30%, rgba(62,107,102,0.9), transparent 55%),
      radial-gradient(90% 70% at 20% 85%, rgba(77,100,148,0.75), transparent 60%),
      radial-gradient(60% 55% at 50% 50%, rgba(226,112,63,0.45), transparent 65%),
      linear-gradient(170deg, #171912, #0d0e0b); }

  .galerie-note {
    margin-top: 2.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--paper-dim);
    max-width: 58ch;
  }

  /* ---------- footer ---------- */
  footer.site-footer {
    background: var(--ink-2);
    border-top: 1px solid var(--line);
    padding-block: clamp(3.5rem, 8vw, 6rem) 2.5rem;
    padding-inline: var(--edge);
  }
  .footer-manifesto {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: clamp(1.7rem, 4vw, 2.7rem);
    line-height: 1.08;
    max-width: 22ch;
    margin: 0 0 2.5rem;
    text-wrap: balance;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    border-top: 1px solid var(--line);
    padding-top: 2rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--paper-dim);
  }
  .footer-grid h4 {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--paper);
    margin: 0 0 0.75rem;
  }
  .footer-grid a { text-decoration: none; color: var(--paper-dim); border-bottom: 1px solid transparent; }
  .footer-grid a:hover, .footer-grid a:focus-visible { color: var(--ochre); border-color: var(--ochre); }
  .footer-grid p { margin: 0 0 0.4rem; }
  .footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    color: rgba(236,226,205,0.45);
  }

  /* ---------- responsive ---------- */
  @media (max-width: 900px) {
    .methode-grid { grid-template-columns: 1fr; }
    .marginalia { border-left: none; border-top: 1px solid var(--line-strong); padding-left: 0; padding-top: 1.25rem; }
    .prozess-list { grid-template-columns: 1fr; }
    .grid-gallery { grid-template-columns: repeat(2, minmax(0,1fr)); }
  }
  @media (max-width: 560px) {
    .nav-toggle { display: inline-flex; }
    nav.links {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: rgba(21, 19, 15, 0.97);
      border-bottom: 1px solid var(--line);
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      pointer-events: none;
      transition: max-height 0.25s ease, opacity 0.2s ease;
    }
    nav.links.is-open {
      max-height: 20rem;
      opacity: 1;
      pointer-events: auto;
    }
    nav.links a {
      padding: 0.9rem clamp(1.25rem, 4vw, 3rem);
      border-bottom: 1px solid var(--line);
    }
    nav.links a:last-child { border-bottom: none; }
    .grid-gallery { grid-template-columns: 1fr; }
    .grid-gallery figure { margin-top: 0 !important; transform: none !important; }
  }


  /* ---------- shared page-intro (used on flickr.html and impressum.html) ---------- */

  .page-intro {
    max-width: 68ch;
  }
  .page-intro p { color: var(--paper-dim); max-width: 62ch; margin: 0; }

  .todo-note {
    margin-top: 2rem;
    border: 1px dashed var(--line-strong);
    background: var(--ink-3);
    padding: 1rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    line-height: 1.6;
    color: var(--ochre);
    max-width: 62ch;
  }

  .legal-block { margin-top: 2.75rem; max-width: 62ch; }
  .legal-block h3 {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: 1.3rem;
    letter-spacing: 0.01em;
    margin: 0 0 0.9rem;
  }
  .legal-block p, .legal-block address {
    margin: 0 0 0.9rem;
    font-style: normal;
    line-height: 1.7;
    color: var(--paper-dim);
  }
  .legal-block p:last-child, .legal-block address:last-child { margin-bottom: 0; }

  .placeholder {
    color: var(--rust-bright);
    border-bottom: 1px dashed var(--rust-bright);
  }

  .footer-bottom a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
  }
  .footer-bottom a:hover, .footer-bottom a:focus-visible {
    color: var(--ochre);
  }


  /* ---------- flickr.html specific ---------- */

  .flickr-frame {
    margin: 2.5rem auto 0;
    max-width: 30rem;
    background: var(--ink-2);
    border: 1px solid var(--line-strong);
    box-shadow: 0 18px 34px -18px var(--shadow);
    padding: clamp(1rem, 3vw, 1.75rem);
  }
  .flickr-embed { position: relative; aspect-ratio: 1 / 1.468; width: 100%; background: var(--ink-3); }
  .flickr-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

  .flickr-fallback {
    margin-top: 1rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--paper-dim);
  }
  .flickr-fallback a { color: var(--ochre); text-decoration: none; border-bottom: 1px solid var(--ochre); }

  .flickr-note {
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--paper-dim);
    max-width: 58ch;
  }

  nav.links a[aria-current="page"] { color: var(--ochre); border-color: var(--ochre); }