/* tie.consult — Designsystem "Goban"
   Farbe: Schiefer & Muschel (Go-Steine), Kaya-Holz (Brett), Tiefindigo
   Type: Fraunces (Display) · Public Sans (Text) · IBM Plex Mono (Marker)
   Signatur: das Brettraster — Linien, Sternpunkte, Steine als Strukturträger
*/

:root {
  --ink: #101418;
  --ink-70: #3d454e;
  --ink-45: #6d757e;
  --shell: #faf8f4;
  --shell-2: #f1ede5;
  --indigo: #16232f;
  --indigo-2: #1f3243;
  --red: #ff0000;        /* das Rot des Logos — Flaechen, Akzente */
  --red-ink: #d10a00;    /* abgedunkelt fuer Text und Linien (Lesbarkeit) */
  --red-soft: #ff8a80;   /* auf dunklem Grund */
  --line: rgba(16, 20, 24, 0.13);
  --line-strong: rgba(16, 20, 24, 0.3);

  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body: "Barlow", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --wrap: 1120px;
  --gap: clamp(2.5rem, 4.5vw, 4.5rem);
}

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

html { scroll-behavior: smooth; }

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

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

a { color: inherit; }

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

.masthead {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.masthead .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 0.625rem;
  font-family: var(--display); font-size: 1.3rem; font-weight: 600;
  letter-spacing: -0.02em; text-decoration: none;
}
.brand img { display: block; height: 30px; width: auto; }
.goban-figure { margin: 0; }
.goban-figure figcaption {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--ink-45); margin-top: 0.75rem; text-align: center;
}
.footer-logo { display: block; height: 30px; width: auto; margin-bottom: 1.75rem; }

nav ul { display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
nav a {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none; color: var(--ink-70);
  padding-block: 0.35rem; border-bottom: 1px solid transparent;
}
nav a:hover, nav a[aria-current="page"] { color: var(--ink); border-color: var(--red); }

.nav-toggle { display: none; }

/* ---------- Typo ---------- */

h1, h2, h3 { font-family: var(--display); font-weight: 600; font-style: normal; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); line-height: 1.05; }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.6rem); line-height: 1.15; }
h3 { font-size: 1.3rem; line-height: 1.3; }

.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--ink-70); max-width: 62ch; }

.marker {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-45);
  display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.25rem;
}
.marker::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--red); flex: none;
}

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

.hero { padding-block: clamp(2.25rem, 5vw, 4rem) var(--gap); }
.hero .wrap {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero h1 span { display: block; color: var(--red); }
h2 .accent { display: block; color: var(--red); }
/* zweizeiliger Claim: etwas kleiner, damit jede Zeile ein ganzer Satz bleibt */
.claim-h2 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); line-height: 1.2; }
.centered { text-align: center; }
.marker.centered { justify-content: center; }
/* längerer Claim: etwas kleiner gesetzt, damit jede Zeile ein ganzer Satz bleibt */
.claim-h1 { font-size: clamp(2.1rem, 4vw, 3.15rem); line-height: 1.1; text-wrap: balance; }
.claim-h1 span { white-space: nowrap; }
.hero p { margin-top: 1.5rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.875rem; margin-top: 2.25rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.5rem; border-radius: 2px; text-decoration: none;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; transition: transform 0.15s ease, background 0.2s ease;
}
.btn-solid { background: var(--ink); color: var(--shell); }
.btn-solid:hover { background: var(--indigo-2); transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px); }

/* ---------- Abschnitte ---------- */

section { padding-block: var(--gap); }
section + section { border-top: 1px solid var(--line); }

.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 3rem; }
.card {
  padding-top: 1.75rem; border-top: 2px solid var(--red);
}
.card h3 { margin-bottom: 0.75rem; }
.card p { margin: 0; color: var(--ink-70); }
.card .stat {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-45); margin-top: 1rem;
}

.dark { background: var(--indigo); color: var(--shell-2); border-top: 0; }
.dark h2 { color: var(--shell); }
.dark .marker { color: rgba(250, 248, 244, 0.6); }
.dark .lead { color: rgba(250, 248, 244, 0.78); }

.principles { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 0; }
.principles li {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: 2rem;
  padding-block: 1.6rem; border-top: 1px solid rgba(250, 248, 244, 0.16);
  align-items: baseline;
}
.principles li:last-child { border-bottom: 1px solid rgba(250, 248, 244, 0.16); }
.principles .term {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--red-soft);
}
.principles strong { font-family: var(--display); font-weight: 500; font-size: 1.2rem; display: block; margin-bottom: 0.3rem; }
.principles p { margin: 0; color: rgba(250, 248, 244, 0.72); max-width: 70ch; }

/* ---------- Blog ---------- */

.posts { list-style: none; margin: 3rem 0 0; padding: 0; }
.posts li { border-top: 1px solid var(--line); }
.posts li:last-child { border-bottom: 1px solid var(--line); }
.posts a {
  display: grid; grid-template-columns: 9rem 1fr auto; gap: 2rem;
  padding-block: 1.75rem; text-decoration: none; align-items: baseline;
  transition: background 0.2s ease, padding 0.2s ease;
}
.posts a:hover { background: var(--shell-2); padding-inline: 1rem; }
.posts time, .posts .cat {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--ink-45); text-transform: uppercase;
}
.posts h3 { font-size: 1.22rem; margin-bottom: 0.4rem; }
.posts p { margin: 0; color: var(--ink-70); font-size: 0.95rem; max-width: 68ch; }

/* ---------- Fließtext ---------- */

.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.25rem; }
.prose h2 { margin: 3rem 0 1rem; }
.prose h3 { margin: 2rem 0 0.75rem; }
.prose ul { padding-left: 1.1rem; }
.prose li { margin-bottom: 0.5rem; }
.prose a:not(.btn) { color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; }
.prose a:not(.btn):hover { color: var(--red-ink); }

.split { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.portrait {
  border: 1px solid var(--line); padding: 1rem; background: var(--shell-2);
}
.portrait img { width: 100%; display: block; }
.portrait figcaption {
  font-family: var(--mono); font-size: 0.7rem; color: var(--ink-45);
  margin-top: 0.75rem; letter-spacing: 0.06em;
}

.facts { list-style: none; margin: 2rem 0 0; padding: 0; }
.facts li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding-block: 0.75rem; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em;
}
.facts span:last-child { color: var(--ink-45); text-align: right; }

/* ---------- Fuß ---------- */

footer {
  background: var(--indigo); color: rgba(250, 248, 244, 0.7);
  padding-block: 3rem 2.5rem; margin-top: var(--gap);
}
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
footer h4 {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--red-soft); margin: 0 0 1rem;
}
footer a { color: var(--shell-2); text-decoration: none; }
footer a:hover { text-decoration: underline; text-decoration-color: var(--red); }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
footer .claim { font-family: var(--display); font-size: 1.35rem; font-weight: 500; letter-spacing: -0.01em; color: var(--shell); max-width: 24ch; }
.legal {
  border-top: 1px solid rgba(250, 248, 244, 0.16); margin-top: 3rem; padding-top: 1.5rem;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}

/* ---------- Fokus & Bewegung ---------- */

:where(a, button):focus-visible {
  outline: 2px solid var(--red); outline-offset: 3px; border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .goban .played { animation: none; opacity: 1; }
  * { transition: none !important; }
}

/* ---------- Mobil ---------- */

@media (max-width: 860px) {
  .hero .wrap, .cols, .split, footer .wrap { grid-template-columns: 1fr; }
  .posts a { grid-template-columns: 1fr; gap: 0.5rem; }
  .posts .cat { justify-self: start; }
  nav ul { gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }
  nav a { font-size: 0.68rem; }
  .principles li { grid-template-columns: 1fr; gap: 0.4rem; }
  .hero .goban-figure { order: -1; }
}


/* ---------- Kontaktformular ---------- */

.contact {
  background: var(--shell-2); border: 1px solid var(--line);
  padding: clamp(1.75rem, 3vw, 2.5rem); border-top: 3px solid var(--red);
  display: grid; gap: 0.4rem;
}
.contact label {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-70); margin-top: 1.1rem;
}
.contact .hint {
  text-transform: none; letter-spacing: 0; color: var(--ink-45);
  font-family: var(--body); font-size: 0.85rem; margin-left: 0.5rem;
}
.contact input, .contact select, .contact textarea {
  font-family: var(--body); font-size: 1rem; color: var(--ink);
  background: var(--shell); border: 1px solid var(--line-strong); border-radius: 2px;
  padding: 0.75rem 0.85rem; width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.contact textarea { resize: vertical; line-height: 1.55; }
.contact input:focus, .contact select:focus, .contact textarea:focus {
  outline: none; border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.12);
}
.contact ::placeholder { color: var(--ink-45); opacity: 0.85; }
.contact.checked :invalid { border-color: var(--red-ink); }
.contact button { margin-top: 1.75rem; justify-content: center; border: 0; cursor: pointer; }
.formnote { font-size: 0.82rem; color: var(--ink-45); margin: 1rem 0 0; line-height: 1.5; }
.formnote a { color: var(--ink-70); }
.formstatus {
  font-family: var(--mono); font-size: 0.78rem; color: var(--red-ink);
  margin: 0.75rem 0 0;
}
.prompts { list-style: none; padding: 0; margin: 1.5rem 0; }
.prompts li {
  padding: 0.7rem 0 0.7rem 1.1rem; border-left: 2px solid var(--line-strong);
  color: var(--ink-70); font-style: italic;
}
.prompts li + li { margin-top: 0.35rem; }

.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Unterstützung / Gütesiegel ---------- */

.endorse {
  display: flex; align-items: center; gap: 0.75rem; margin-top: 1.25rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-45); line-height: 1.4;
}
.endorse img { display: block; width: 44px; height: auto; flex: none; }
.dark .endorse { color: rgba(250, 248, 244, 0.7); }
footer .endorse { margin-top: 1.75rem; color: rgba(250, 248, 244, 0.7); }

/* ---------- Grafik im dunklen Block ---------- */

.chart {
  margin: 3rem 0 0; padding: 1rem; background: var(--shell);
  border: 1px solid rgba(250, 248, 244, 0.16);
}
.chart img { display: block; width: 100%; height: auto; }
.chart figcaption {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em;
  color: var(--ink-45); margin-top: 0.75rem; text-align: center;
}
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 3.5rem);
  margin-top: 3rem;
}
.two-col p { margin: 0 0 1.1rem; color: rgba(250, 248, 244, 0.78); max-width: 60ch; }
.two-col strong { color: var(--shell); }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

/* kleiner roter Go-Stein als Trenner in Bildunterschriften */
.dot-stone { display: inline-block; vertical-align: middle; margin: 0 0.15em; }

/* ---------- Blog-Artikel (article.html) ---------- */

.article { max-width: 44rem; margin-inline: auto; }
.article .article-meta {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-45); margin-bottom: 1.5rem;
}
.article .article-meta .cat { color: var(--red-ink); }
.article h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; margin-bottom: 1.5rem; }
.article .standfirst {
  font-family: var(--display); font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  line-height: 1.45; color: var(--ink-70); margin-bottom: 2.5rem;
}

.article-body { font-size: 1.12rem; line-height: 1.7; }
.article-body > p { margin: 0 0 1.4rem; }
.article-body h2 {
  font-size: 1.6rem; line-height: 1.25; margin: 3rem 0 1rem;
  padding-top: 1.5rem; border-top: 1px solid var(--line);
}
.article-body h3 { font-size: 1.2rem; margin: 2rem 0 0.6rem; }
.article-body ul, .article-body ol { padding-left: 1.3rem; margin: 0 0 1.4rem; }
.article-body li { margin-bottom: 0.55rem; }
.article-body strong { color: var(--ink); }
.article-body blockquote {
  margin: 2rem 0; padding: 0.5rem 0 0.5rem 1.5rem;
  border-left: 3px solid var(--red);
  font-family: var(--display); font-size: 1.3rem; line-height: 1.4; color: var(--ink);
}
.article-body figure { margin: 2.5rem 0; }
.article-body figure img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--line); background: var(--shell-2);
}
.article-body figcaption {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--ink-45); margin-top: 0.6rem; text-align: center;
}

/* PDF-Download-Karte */
.article-download {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin: 3rem 0; padding: 1.25rem 1.5rem;
  background: var(--shell-2); border: 1px solid var(--line);
  border-left: 3px solid var(--red);
}
.article-download .dl-text { flex: 1 1 15rem; }
.article-download strong { display: block; font-family: var(--display); font-size: 1.1rem; }
.article-download span { font-size: 0.9rem; color: var(--ink-45); }

/* Fuß des Artikels: zurück + Autor */
.article-foot {
  max-width: 44rem; margin: 3.5rem auto 0; padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-45);
}
.article-foot a { color: var(--ink); text-decoration-color: var(--red); }