/* ============================================
   KLARGEBER — Design System
   Blueprint / Zeichenbrett-Ästhetik
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper: #F7F5F0;
  --paper-raised: #FFFFFF;
  --ink: #16213D;
  --ink-soft: #3C4260;
  --muted: #6B6F7B;
  --accent: #B8722E;
  --accent-dark: #935B22;
  --accent-tint: #F1E3D0;
  --teal: #2E7D6B;
  --line: #DDD7C9;
  --line-strong: #16213D;
  --radius: 3px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--ink);
  margin: 0 0 0.5em 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-weight: 700; }
h2 { font-weight: 600; }

p { margin: 0 0 1em 0; }
a { color: var(--accent-dark); }
img { max-width: 100%; display: block; }

.label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header / Nav ---------- */
header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.brand .dot { color: var(--accent); }
nav.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
nav.main-nav a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- Corner-bracket signature element ---------- */
.bracket-frame {
  position: relative;
  padding: 28px;
}
.bracket-frame::before,
.bracket-frame::after,
.bracket-frame .bl,
.bracket-frame .br {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--ink);
}
.bracket-frame::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.bracket-frame::after  { top: 0; right: 0; border-left: none; border-bottom: none; }
.bracket-frame .bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.bracket-frame .br { bottom: 0; right: 0; border-left: none; border-top: none; }
.bracket-frame.accent::before,
.bracket-frame.accent::after,
.bracket-frame.accent .bl,
.bracket-frame.accent .br {
  border-color: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: all 0.15s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline {
  background: transparent;
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px 0;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: 3.4rem;
  margin-bottom: 0.35em;
}
.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 1.6em;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-diagram {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  position: relative;
}

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.tint { background: var(--paper-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-head h2 { font-size: 2rem; margin: 0; }

/* ---------- Guide cards ---------- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.guide-card {
  border: 1px solid var(--line);
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
  text-decoration: none;
  color: inherit;
}
.guide-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.guide-card .thumb {
  aspect-ratio: 3/4;
  background: var(--ink);
  overflow: hidden;
  position: relative;
}
.guide-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.guide-card .body { padding: 20px 20px 24px 20px; display: flex; flex-direction: column; flex-grow: 1; }
.guide-card .ref { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--accent-dark); letter-spacing: 0.08em; margin-bottom: 10px; }
.guide-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.guide-card p { font-size: 0.92rem; color: var(--muted); flex-grow: 1; }
.guide-card .price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
}
.status-pill {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--accent-tint);
  color: var(--accent-dark);
}
.status-pill.soon { background: #EAEAEA; color: var(--muted); }

/* ---------- Feature list / process ---------- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.feature-list .item .num {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 10px;
  display: block;
}
.feature-list .item h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-list .item p { color: var(--muted); font-size: 0.94rem; margin: 0; }

/* ---------- About teaser ---------- */
.about-teaser {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 44px;
  align-items: center;
}
.about-teaser img { width: 100%; border-radius: 50%; filter: grayscale(15%); }

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 32px 0;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-grid h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.footer-grid a {
  display: block;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  margin-bottom: 8px;
}
.footer-grid a:hover { color: var(--accent-dark); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Generic page header (inner pages) ---------- */
.page-header {
  padding: 56px 0 40px 0;
  border-bottom: 1px solid var(--line);
}
.page-header .label { margin-bottom: 14px; display: inline-block; }
.page-header h1 { font-size: 2.5rem; }

.prose { max-width: 68ch; }
.prose h2 { font-size: 1.4rem; margin-top: 1.8em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.4em; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 6px; }
.prose p { color: var(--ink-soft); }

table.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
table.legal-table td {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 0.95rem;
}
table.legal-table td:first-child {
  width: 220px;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.4rem; }
  .feature-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-teaser { grid-template-columns: 1fr; text-align: center; }
  .about-teaser img { width: 160px; margin: 0 auto; }
  nav.main-nav { gap: 18px; flex-wrap: wrap; }
  .nav-row { flex-direction: column; gap: 14px; align-items: flex-start; }
}