/* Bellink — Corporate Design Guide v0.1 (Anytype "Selbstständigkeit" Wiki) */

:root {
  --paper: #F5F1E7;
  --surface: #EFE9DA;
  --ink: #17181B;
  --ink-soft: #4B4A45;
  --line: #D9D2C1;
  --accent-ai: #C1571F;    /* Terracotta — KI-Seite (Claude) */
  --accent-know: #1F6B60;  /* Teal — Wissenssystem-Seite (Anytype) */
  --dark: #17181B;

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
}

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 0;
  line-height: 1.15;
}

p { margin: 0; }

/* ---------- background network motif ---------- */

.bg-network {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 88% 6%, var(--accent-ai) 0 3px, transparent 4px),
    radial-gradient(circle at 68% 14%, var(--accent-know) 0 2.5px, transparent 3.5px),
    radial-gradient(circle at 94% 22%, var(--accent-know) 0 2px, transparent 3px);
  background-repeat: no-repeat;
  opacity: 0.5;
}

.bg-network::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 46vw;
  max-width: 640px;
  height: 46vw;
  max-height: 640px;
  background-image:
    linear-gradient(122deg, transparent 49.6%, var(--line) 49.9%, var(--line) 50.1%, transparent 50.4%),
    linear-gradient(158deg, transparent 49.6%, var(--line) 49.9%, var(--line) 50.1%, transparent 50.4%),
    linear-gradient(200deg, transparent 49.6%, var(--line) 49.9%, var(--line) 50.1%, transparent 50.4%);
  opacity: 0.6;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(245, 241, 231, 0.88);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 34px;
  width: auto;
}

.logo-placeholder {
  display: none;
  font-family: 'Work Sans', sans-serif;
  font-style: italic;
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.logo-dot { color: #7C8B5F; } /* stand-in für das Salbeigrün des echten Logos */

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 500;
}

.main-nav a { text-decoration: none; color: var(--ink-soft); }
.main-nav a:hover { color: var(--ink); }

.nav-cta {
  color: var(--paper) !important;
  background: var(--ink);
  padding: 9px 18px;
  border-radius: 3px;
}
.nav-cta:hover { background: var(--accent-ai); }

/* ---------- kicker / eyebrow ---------- */

.kicker, .eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.eyebrow {
  margin-bottom: 14px;
  display: block;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.eyebrow-light { color: #B8B6AE; border-bottom-color: #33343a; }

.kicker-sep { opacity: 0.5; }

/* ---------- hero ---------- */

.hero {
  padding: 96px 28px 88px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 66px);
  margin: 22px 0 26px;
  letter-spacing: -0.5px;
}

.accent-ai { color: var(--accent-ai); }
.accent-know { color: var(--accent-know); }

.hero-sub {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 20px;
  color: var(--ink-soft);
  max-width: 620px;
  margin-bottom: 26px;
}

.hero-body {
  max-width: 640px;
  font-size: 17px;
  color: var(--ink);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
}

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: 3px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-ai);
  color: var(--paper);
}
.btn-primary:hover { background: #a3481a; }

.btn-ghost {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- sections ---------- */

.section { padding: 72px 28px; }
.section-alt { background: var(--surface); }
.section h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 38px);
  margin-bottom: 16px;
}
.section-intro {
  max-width: 680px;
  color: var(--ink-soft);
  margin-bottom: 48px;
}

.section-intro strong { color: var(--ink); }

.about-text { max-width: 680px; }
.about-text p:not(.section-intro) { font-size: 15.5px; color: var(--ink-soft); }

/* ---------- case cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 56px;
}

.case-card {
  background: var(--paper);
  padding: 30px 32px;
}

.case-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.case-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.case-card p { color: var(--ink-soft); font-size: 15.5px; }

/* ---------- pull quote ---------- */

.pull-quote {
  margin: 0;
  padding: 32px 0 0 26px;
  border-left: 2px solid var(--accent-ai);
  max-width: 700px;
}

.pull-quote p {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 12px;
}

.pull-quote cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- diagram ---------- */

.diagram {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 44px 36px;
  margin-bottom: 64px;
}

.diagram-sources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.diagram-box {
  border: 1px solid var(--ink);
  padding: 16px 18px;
  text-align: center;
  background: var(--paper);
}

.diagram-box.small strong { font-size: 15px; }

.diagram-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.diagram-connector {
  text-align: center;
  font-family: var(--font-mono);
  color: var(--ink-soft);
  font-size: 13px;
  margin: 14px 0;
}

.diagram-core {
  border: 1.5px dashed var(--line);
  padding: 20px;
}

.diagram-core-label {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}

.diagram-core-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}

.diagram-core-inner .diagram-box { text-align: left; }
.diagram-core-inner .diagram-box strong { display: block; font-size: 19px; margin-bottom: 6px; }
.diagram-core-inner .diagram-box p { font-size: 14px; color: var(--ink-soft); }

.accent-ai-border { border-color: var(--accent-ai); }
.accent-know-border { border-color: var(--accent-know); }

.diagram-swap {
  font-size: 22px;
  color: var(--ink-soft);
  text-align: center;
}

.diagram-box.result {
  max-width: 460px;
  margin: 0 auto;
}
.diagram-box.result strong { font-size: 16px; }

.benefits-eyebrow { margin-top: 8px; }

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 44px;
  margin-bottom: 44px;
}

.benefit {
  display: flex;
  gap: 16px;
}

.benefit-num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent-ai);
  flex-shrink: 0;
  padding-top: 2px;
}

.benefit:nth-child(even) .benefit-num { color: var(--accent-know); }

.benefit h4 { font-size: 16.5px; margin-bottom: 6px; }
.benefit p { font-size: 14.5px; color: var(--ink-soft); }

.footnote {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

/* ---------- kontakt (dark) ---------- */

.section-dark {
  background: var(--dark);
  color: var(--paper);
}

.kontakt-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}

.kontakt-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  color: var(--paper);
  margin: 10px 0 14px;
}

.kontakt-sub {
  font-size: 16px;
  color: #C9C7BE;
}

.kontakt-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
}

.kontakt-line {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--paper);
  text-decoration: none;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--dark);
  border-top: 1px solid #2b2c31;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  padding: 20px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #8b8a84;
}

.footer-inner a {
  color: #8b8a84;
  text-decoration: underline;
}
.footer-inner a:hover { color: var(--paper); }

/* ---------- legal / impressum page ---------- */

.legal {
  padding: 72px 28px 96px;
  max-width: 760px;
}

.legal h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 42px);
  margin: 18px 0 32px;
}

.legal h2 {
  font-family: var(--font-heading);
  font-size: 19px;
  margin: 36px 0 10px;
}

.legal p, .legal li { color: var(--ink-soft); font-size: 15.5px; }
.legal strong { color: var(--ink); }

.legal .missing {
  color: var(--accent-ai);
  font-style: italic;
}

.legal ul { padding-left: 20px; margin: 0; }
.legal a { color: var(--accent-know); }

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .main-nav { gap: 16px; font-size: 13.5px; }
  .nav-cta { padding: 8px 14px; }
  .hero { padding: 64px 20px 56px; }
  .card-grid { grid-template-columns: 1fr; }
  .diagram-sources { grid-template-columns: 1fr; }
  .diagram-core-inner { grid-template-columns: 1fr; }
  .diagram-swap { transform: rotate(90deg); }
  .diagram-core-label { white-space: normal; font-size: 10.5px; }
  .diagram { padding: 32px 20px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .kontakt-inner { flex-direction: column; align-items: flex-start; }
  .kontakt-details { text-align: left; }
}