/* ==========================================================================
   Rasterordnung — gemeinsames Stylesheet für die gesamte Website
   ========================================================================== */

:root {
  --bg: #FAFAF8;
  --ink: #16171A;
  --accent: #D7263D;   /* Akzentfarbe zentral hier ändern */
  --muted: #58595E;
  --faint: #9a9b98;
  --line: #D8D9D6;
  --panel: #FFFFFF;
  --media: #E7E7E4;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }

body {
  font-family: "Libre Franklin", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.mono { font-family: "Fragment Mono", monospace; }

/* ---------------------------------------------------------------- nav --- */
.nav {
  padding: 20px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  position: relative;
  background: var(--bg);
}
.nav .logo { font-weight: 800; font-size: 15px; letter-spacing: 0.02em; }
.nav .logo .mono { color: var(--accent); font-weight: 400; margin-left: 6px; font-size: 12px; }
.nav .links { display: flex; gap: 30px; font-size: 13px; font-weight: 500; }
.nav .links a.active { color: var(--accent); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink);
  font-family: "Fragment Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.03em;
  padding: 7px 11px;
  color: var(--ink);
  cursor: pointer;
}

.reg { position: relative; }
.reg::before, .reg::after { content: "+"; position: absolute; top: -9px; font-family: "Fragment Mono", monospace; color: #b6b7b3; font-size: 13px; }
.reg::before { left: 44px; }
.reg::after { right: 44px; }

/* -------------------------------------------------------- landing (D) --- */
.landing { min-height: 86vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 40px; padding: 40px 44px; text-align: center; }
.eyebrow { font-family: "Fragment Mono", monospace; font-size: 12px; color: var(--faint); letter-spacing: 0.06em; opacity: 0; animation: fadeup .5s ease-out 1.05s both; }

.tiles { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.tile {
  width: 108px; padding: 14px 0 12px; border: 1px solid var(--ink); background: var(--bg);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  animation: snap .65s cubic-bezier(.32,1.6,.5,1) both;
}
.tile .n { font-family: "Fragment Mono", monospace; font-size: 11px; color: var(--accent); }
.tile .l { font-family: "Fragment Mono", monospace; font-size: 10.5px; letter-spacing: 0.03em; }
.tile:nth-child(1) { --r: -11deg; --tx: -30px; --ty: 16px;  animation-delay: .05s; }
.tile:nth-child(2) { --r: 8deg;   --tx: 16px;  --ty: -22px; animation-delay: .16s; }
.tile:nth-child(3) { --r: -6deg;  --tx: -12px; --ty: 24px;  animation-delay: .27s; }
.tile:nth-child(4) { --r: 10deg;  --tx: 26px;  --ty: 10px;  animation-delay: .38s; }
.tile:nth-child(5) { --r: -8deg;  --tx: -20px; --ty: -14px; animation-delay: .49s; }
@keyframes snap {
  0%   { opacity: 0; transform: rotate(var(--r)) translate(var(--tx), var(--ty)) scale(.88); }
  62%  { opacity: 1; transform: rotate(0deg) translate(0,0) scale(1.06); border-color: var(--accent); }
  100% { opacity: 1; transform: rotate(0deg) translate(0,0) scale(1); border-color: var(--ink); }
}

.landing-headline { font-size: clamp(30px, 5vw, 52px); font-weight: 800; line-height: 1.08; letter-spacing: -0.01em; margin: 0; max-width: 16ch; text-wrap: balance; opacity: 0; animation: fadeup .6s ease-out .95s both; }
.landing-headline .a { color: var(--accent); }
.landing-sub { font-size: 15.5px; color: var(--muted); max-width: 46ch; line-height: 1.6; margin: 0; opacity: 0; animation: fadeup .6s ease-out 1.15s both; }
@keyframes fadeup { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.cue { font-family: "Fragment Mono", monospace; font-size: 11.5px; color: var(--faint); display: flex; align-items: center; gap: 8px; opacity: 0; animation: fadeup .6s ease-out 1.3s both; }
.cue .arrow { display: inline-block; animation: bob 1.8s ease-in-out 2s infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

@media (prefers-reduced-motion: reduce) {
  .tile, .landing-headline, .landing-sub, .cue, .eyebrow { animation: none; opacity: 1; }
  .tile { transform: none; border-color: var(--ink); }
  .cue .arrow { animation: none; }
}

/* -------------------------------------------------------------- hero --- */
.hero { padding: 70px 44px 0; max-width: 900px; }
.hero.with-top-border { padding-top: 60px; border-top: 1px solid var(--ink); }
.hero .num00 { font-family: "Fragment Mono", monospace; font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.06; margin: 0 0 20px; text-wrap: balance; letter-spacing: -0.01em; }
.hero p { font-size: 16px; color: var(--muted); max-width: 56ch; line-height: 1.6; margin: 0 0 40px; }

/* ------------------------------------------------------- home sections --- */
.section { border-top: 1px solid var(--ink); padding: 56px 44px 60px; }
.sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 8px; flex-wrap: wrap; }
.sec-head .coord { font-family: "Fragment Mono", monospace; font-size: 12px; color: var(--accent); }
.sec-head h2 { font-size: 24px; font-weight: 800; margin: 0; }
.sec-head .more { margin-left: auto; font-family: "Fragment Mono", monospace; font-size: 12px; color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 1px; }
.sec-head .more:hover { color: var(--accent); border-color: var(--accent); }
.sec-desc { color: var(--muted); font-size: 14.5px; max-width: 62ch; margin: 0 0 34px; line-height: 1.6; }

.module-grid, .grid6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--ink); }
.module { background: var(--panel); }
.module .media { aspect-ratio: 16/10; position: relative; background: var(--media); }
.module .media .idx { position: absolute; top: 8px; left: 8px; font-family: "Fragment Mono", monospace; font-size: 10px; color: #fff; background: var(--ink); padding: 2px 6px; }
.module .cap { padding: 14px 16px 16px; border-top: 1px solid var(--line); }
.module .cap h3 { font-size: 14px; font-weight: 600; margin: 0 0 4px; }
.module .cap .meta { font-family: "Fragment Mono", monospace; font-size: 10.5px; color: var(--faint); margin-bottom: 8px; }
.module .cap .desc { font-size: 12.5px; color: var(--muted); line-height: 1.5; margin: 0; }
.m-a .media { background: linear-gradient(155deg, #e2e2df, #b9bab5); }
.m-b .media { background: linear-gradient(155deg, #ecdedd, #d3b8b6); }
.m-c .media { background: linear-gradient(155deg, #dde2e0, #b6c0bb); }
.m-d .media { background: linear-gradient(155deg, #e6e0d5, #c9bda3); }
.m-e .media { background: linear-gradient(155deg, #dfe1da, #b7bcac); }
.m-f .media { background: linear-gradient(155deg, #e8dcdb, #cbaba9); }

/* Echtes Foto/Video aus der Medienbibliothek über einen .media/.p-cell/.tool-mod .media-Platzhalter legen. */
.media img.fill, .media video.fill,
.p-cell img.fill, .p-cell video.fill,
.tool-mod .media img.fill, .tool-mod .media video.fill {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block;
}

.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--ink); }
.p-cell { background: var(--media); aspect-ratio: 4/5; position: relative; }
.p-cell .idx { position: absolute; bottom: 6px; left: 6px; font-family: "Fragment Mono", monospace; font-size: 10px; color: var(--ink); }
.p1 { background: linear-gradient(160deg, #e6ddd0, #c7b092); }
.p2 { background: linear-gradient(160deg, #dbe2df, #adbdb6); }
.p3 { background: linear-gradient(160deg, #e8dcdb, #cbaba9); }
.p4 { background: linear-gradient(160deg, #dfe1da, #b7bcac); }

.concept-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--ink); }
.concept-mod { background: #fff; padding: 26px; }
.concept-mod .tag { display: inline-block; font-family: "Fragment Mono", monospace; font-size: 10.5px; color: #fff; background: var(--accent); padding: 3px 8px; margin-bottom: 14px; }
.concept-mod h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.concept-mod p { color: var(--muted); font-size: 14px; line-height: 1.55; margin: 0; }

.paper-mod { border: 1px solid var(--ink); padding: 34px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.paper-mod h3 { font-size: 19px; font-weight: 700; margin: 0 0 10px; }
.paper-mod p { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0 0 18px; max-width: 56ch; }
.paper-mod .btn { font-family: "Fragment Mono", monospace; font-size: 12px; border: 1px solid var(--ink); padding: 9px 14px; display: inline-block; background: none; color: var(--ink); cursor: pointer; }
.paper-mod .btn:hover { border-color: var(--accent); color: var(--accent); }
.paper-mod .note { font-size: 11.5px; color: var(--faint); margin-top: 10px; }
.paper-mod .stamp { font-family: "Fragment Mono", monospace; font-size: 11px; color: var(--accent); border: 1px solid var(--accent); padding: 8px 12px; white-space: nowrap; }

.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--ink); }
.tool-mod { background: #fff; }
.tool-mod .media { aspect-ratio: 16/10; background: repeating-linear-gradient(45deg, var(--media), var(--media) 10px, #dcdcd8 10px, #dcdcd8 20px); display: flex; align-items: center; justify-content: center; position: relative; }
.tool-mod .media .demo { font-family: "Fragment Mono", monospace; font-size: 11px; font-weight: 700; color: var(--accent); border: 1px solid var(--accent); padding: 4px 10px; background: var(--bg); }
.tool-mod .cap { padding: 14px 16px; border-top: 1px solid var(--line); }
.tool-mod .cap h3 { font-size: 14px; font-weight: 600; margin: 0 0 4px; }
.tool-mod .cap p { font-size: 12px; color: var(--faint); margin: 0; }
.callout-demo { margin-top: 24px; border-left: 3px solid var(--accent); padding: 14px 18px; background: #FFF3F3; font-size: 13px; color: var(--muted); max-width: 68ch; line-height: 1.55; }

/* ------------------------------------------------------ subpage header --- */
.breadcrumb { padding: 16px 44px; font-family: "Fragment Mono", monospace; font-size: 12px; color: var(--faint); border-bottom: 1px solid var(--line); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 8px; }
.breadcrumb .here { color: var(--ink); }

.cat-hero { padding: 56px 44px 40px; border-bottom: 1px solid var(--ink); }
.cat-hero .coord { font-family: "Fragment Mono", monospace; font-size: 12px; color: var(--accent); display: block; margin-bottom: 16px; }
.cat-hero h1 { font-size: 42px; font-weight: 800; margin: 0 0 18px; letter-spacing: -0.01em; }
.cat-hero p { font-size: 15.5px; color: var(--muted); max-width: 62ch; line-height: 1.6; margin: 0 0 28px; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { font-family: "Fragment Mono", monospace; font-size: 11.5px; border: 1px solid var(--ink); padding: 6px 12px; background: none; color: var(--ink); cursor: default; }
.chip.on { background: var(--ink); color: var(--bg); }

.section-plain { padding: 48px 44px 70px; }

/* --------------------------------------------------------------- pdf --- */
.seminar-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.seminar-grid h3 { font-size: 19px; font-weight: 700; margin: 0 0 12px; }
.seminar-grid .abstract { color: var(--muted); font-size: 14.5px; line-height: 1.65; max-width: 52ch; margin: 0 0 22px; }
.seminar-grid .meta { font-family: "Fragment Mono", monospace; font-size: 11.5px; color: var(--faint); line-height: 1.9; }
.pdf-frame { border: 1px solid var(--ink); background: var(--media); aspect-ratio: 3/4; max-width: 620px; display: flex; align-items: center; justify-content: center; }
.pdf-frame iframe { width: 100%; height: 100%; border: 0; }
.pdf-frame .placeholder { font-family: "Fragment Mono", monospace; font-size: 12px; color: var(--faint); text-align: center; padding: 24px; line-height: 1.7; }

/* -------------------------------------------------------------- kontakt --- */
.kontakt-hero { padding: 70px 44px 50px; max-width: 760px; }
.kontakt-hero .num00 { font-family: "Fragment Mono", monospace; font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.kontakt-hero h1 { font-size: 44px; font-weight: 800; margin: 0 0 18px; letter-spacing: -0.01em; }
.kontakt-hero p { font-size: 16px; color: var(--muted); line-height: 1.65; max-width: 56ch; margin: 0; }

.kontakt-grid { padding: 0 44px 70px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--ink); max-width: 720px; }
.kontakt-card { background: #fff; padding: 26px; }
.kontakt-card .lbl { font-family: "Fragment Mono", monospace; font-size: 11px; color: var(--faint); letter-spacing: 0.04em; margin-bottom: 10px; }
.kontakt-card .val { font-size: 17px; font-weight: 700; }
.kontakt-card .val:hover { color: var(--accent); }
.kontakt-card .val.ph { color: var(--faint); font-weight: 500; }

/* -------------------------------------------------------------- footer --- */
.footer { padding: 50px 44px 60px; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 20px; }
.footer .name { font-size: 26px; font-weight: 800; }
.footer .role { font-family: "Fragment Mono", monospace; font-size: 11px; color: var(--faint); margin-top: 8px; }
.footer .contact { text-align: right; font-size: 13px; line-height: 1.9; color: var(--ink); }
.footer .contact .ph { color: var(--faint); }
.footer .coord2 { width: 100%; font-family: "Fragment Mono", monospace; font-size: 10.5px; color: var(--faint); border-top: 1px solid var(--line); padding-top: 16px; margin-top: 8px; }

/* ------------------------------------------------------------ responsive --- */
@media (max-width: 780px) {
  .nav { padding: 16px 20px; position: sticky; top: 0; z-index: 60; }
  .nav .links { display: none; }
  .nav-toggle { display: inline-block; }
  .nav .logo, .nav .nav-toggle { position: relative; z-index: 70; }
  .nav.nav-open .links {
    display: flex; flex-direction: column; gap: 22px;
    position: fixed; inset: 0; padding: 96px 28px 28px; z-index: 50;
    background: var(--bg); font-size: 19px;
  }

  .hero, .hero.with-top-border { padding-left: 20px; padding-right: 20px; }
  .hero h1 { font-size: 32px; }
  .section, .breadcrumb, .cat-hero, .section-plain, .kontakt-hero, .kontakt-grid, .footer { padding-left: 20px; padding-right: 20px; }
  .module-grid, .grid6, .concept-grid, .tool-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .paper-mod { grid-template-columns: 1fr; }
  .cat-hero h1 { font-size: 30px; }
  .seminar-grid { grid-template-columns: 1fr; }
  .kontakt-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; align-items: flex-start; }
  .footer .contact { text-align: left; }
  .reg::before, .reg::after { left: 20px; right: 20px; }
  .landing { padding: 32px 20px; }
  .tile { width: 84px; }
}