/* ============================================================================
   ISCaD GmbH — site.css
   EINZIGES geteiltes Stylesheet. Extrahiert aus der Live-Startseite
   (iscad-it-de.html). Quelle der Wahrheit für Farben, Schrift, Header/Footer.
   Eine Änderung hier wirkt auf alle Seiten (Home, Blog, Artikel).
   ============================================================================ */

/* === 1. Lokale Fonts (DSGVO-konform, keine Google Fonts) === */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/fraunces-latin-full-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/fraunces-latin-full-italic.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/geist-latin-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist';
  font-style: italic;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/geist-latin-wght-italic.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/geist-latin-ext-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/geist-mono-latin-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('/assets/fonts/geist-mono-latin-ext-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* === 2. Basis-Theme (Tokens, Layout, Header, Hero, Footer …) === */
/*        Identisch zur Live-Startseite. */
/* ============ TOKENS — PAPER & SAGE ============ */
:root {
  /* Paper tones — warm cream like the printed ISCaD card */
  --paper:        #ece5d4;
  --paper-soft:   #f1ebdb;
  --paper-elev:   #e4dcc6;
  --paper-deep:   #d8cfb5;

  /* Ink */
  --ink:          #14140f;
  --ink-soft:     #2a2a23;
  --ink-mute:     #5e5b4f;
  --ink-dim:      #8a8676;

  /* ISCaD signature green — single accent, like the embossed outline */
  --green:        #4d6147;
  --green-deep:   #3a4a36;
  --green-soft:   #6b7d5e;
  --green-tint:   rgba(77, 97, 71, 0.08);

  /* Subtle support tones — used sparingly, never competing with green */
  --line:         #c5bda4;
  --line-soft:    #d4cdb6;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1280px;
  --r-sm: 3px;
  --r:    8px;
  --r-lg: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* Subtle paper grain texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(0,0,0,0.015) 0, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(77,97,71,0.025) 0, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Fine noise overlay for paper feel */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 0.08, 0 0 0 0 0.08, 0 0 0 0 0.06, 0 0 0 0.05 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: multiply;
}

main, header, footer { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--green); color: var(--paper); }

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px) saturate(120%);
  background: rgba(236, 229, 212, 0.85);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 80px;
  height: 36px;
  flex-shrink: 0;
}

.brand-mark svg { width: 100%; height: 100%; display: block; }

.brand-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1;
}
.brand-text span { font-weight: 400; }

.brand-tag {
  display: block;
  font-family: var(--font-body);
  font-size: 10.5px;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-mute);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  list-style: none;
  font-size: 14px;
}

.nav-links a {
  color: var(--ink-mute);
  transition: color 0.2s;
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}

.nav-links a:hover { color: var(--green-deep); }

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--green);
  transition: width 0.25s;
}
.nav-links a:hover::after { width: 100%; }

.lang {
  display: flex;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 4px;
}

.lang button {
  background: none;
  border: 0;
  color: var(--ink-dim);
  padding: 3px 8px;
  font: inherit;
  cursor: pointer;
  border-radius: 2px;
  transition: 0.2s;
}

.lang button.active {
  background: var(--green);
  color: var(--paper);
}

/* ============ HERO ============ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 90px 32px 90px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: center;
  min-height: calc(100vh - 72px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--green);
}

h1.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 5.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.028em;
  margin-bottom: 32px;
  color: var(--ink);
  font-variation-settings: "opsz" 90;
}

h1.hero-title em {
  font-style: italic;
  color: var(--green-deep);
  font-weight: 400;
}

.hero-lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 56ch;
  line-height: 1.65;
  margin-bottom: 40px;
}

.hero-lead em {
  color: var(--green-deep);
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 500;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: 0.25s ease;
  font-weight: 500;
}

.btn:hover {
  border-color: var(--green);
  color: var(--green-deep);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--green);
  color: var(--paper);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: var(--paper);
}

.btn .arrow { transition: transform 0.3s; display: inline-block; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============ HERO VISUAL — ISCaD DIAMOND GRID ============ */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 540px;
  margin-left: auto;
  aspect-ratio: 7 / 3;
}

.hero-grid {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 8px 28px rgba(20, 20, 15, 0.08));
}

/* ============ KPI STRIP ============ */
.kpi {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--paper-soft);
}

.kpi-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px 32px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 40px;
}

.kpi-item {
  border-left: 1px solid var(--line);
  padding-left: 22px;
}
.kpi-item:first-child { border-left: 0; padding-left: 0; }

.kpi-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 10px;
}
.kpi-num em {
  color: var(--green-deep);
  font-style: italic;
  font-weight: 500;
}

.kpi-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.kpi-sub {
  font-size: 12.5px;
  color: var(--ink-dim);
  margin-top: 4px;
}

/* ============ SECTION SHARED ============ */
section { padding: 110px 32px; }

.section-inner { max-width: var(--maxw); margin: 0 auto; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.section-eyebrow::before {
  content: "";
  width: 32px; height: 1px;
  background: var(--green);
}

h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 26px;
  max-width: 22ch;
  color: var(--ink);
}

h2 em { color: var(--green-deep); font-style: italic; }

.section-lead {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 64ch;
  line-height: 1.65;
  margin-bottom: 64px;
}

/* Small diamond marker — recurring brand motif */
.dia-marker {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--green);
  transform: rotate(45deg);
  vertical-align: middle;
}

/* ============ PORTFOLIO ============ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  position: relative;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 28px 30px;
  transition: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  display: block;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 14px; right: 14px;
  width: 16px; height: 16px;
  border: 1.5px solid var(--green-soft);
  transform: rotate(45deg);
  opacity: 0.5;
  transition: 0.35s;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--green);
  box-shadow: 0 18px 40px -20px rgba(77, 97, 71, 0.25);
  background: var(--paper-elev);
}

.service-card:hover::before {
  opacity: 1;
  background: var(--green);
  border-color: var(--green);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  margin-bottom: 22px;
  font-weight: 500;
}

h3.service-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -0.018em;
  margin-bottom: 12px;
  color: var(--ink);
}

.service-card p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-card .more {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-deep);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  transition: gap 0.25s;
}

.service-card:hover .more { gap: 12px; }

/* ============ SERVICE DEEP-DIVE ============ */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  padding: 60px 0;
  border-top: 1px solid var(--line-soft);
}

.service-detail:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.service-detail-meta {
  position: sticky;
  top: 110px;
  align-self: start;
}

.service-detail-num {
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 300;
  font-style: italic;
  color: var(--green);
  line-height: 0.85;
  margin-bottom: 24px;
  opacity: 0.9;
  letter-spacing: -0.03em;
}

.service-detail h3 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.service-detail .tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-transform: uppercase;
  font-weight: 500;
}

.detail-headline {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.018em;
  max-width: 28ch;
  margin-bottom: 36px;
  color: var(--ink);
}
.detail-headline em { color: var(--green-deep); font-style: italic; }

.feature-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 18px;
  padding: 20px 22px 20px 18px;
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  transition: 0.25s;
}

.feature-list li:hover {
  border-color: var(--green);
  background: var(--paper-elev);
}

.feature-list .marker {
  width: 12px; height: 12px;
  border: 1.5px solid var(--green);
  transform: rotate(45deg);
  margin-top: 6px;
  transition: 0.25s;
}

.feature-list li:hover .marker {
  background: var(--green);
}

.feature-list strong {
  display: block;
  font-weight: 500;
  font-size: 15.5px;
  color: var(--ink);
  margin-bottom: 4px;
}

.feature-list p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

/* ============ ECOSYSTEM (AION/CAIRN CROSS-LINK) ============ */
.ecosystem {
  background: var(--paper-elev);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}

/* Faded diamond watermark in background */
.ecosystem::before {
  content: "";
  position: absolute;
  top: 50%; right: -100px;
  width: 500px; height: 500px;
  transform: translateY(-50%) rotate(45deg);
  border: 1px solid var(--line);
  opacity: 0.4;
  pointer-events: none;
}
.ecosystem::after {
  content: "";
  position: absolute;
  top: 50%; right: 30px;
  width: 300px; height: 300px;
  transform: translateY(-50%) rotate(45deg);
  border: 1px solid var(--line);
  opacity: 0.3;
  pointer-events: none;
}

.ecosystem .section-inner { position: relative; z-index: 1; }

.ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.eco-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px;
  position: relative;
  transition: 0.3s;
}

.eco-card:hover {
  border-color: var(--green);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -22px rgba(77, 97, 71, 0.25);
}

.eco-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  font-weight: 500;
}
.eco-tag span { color: var(--green-deep); }

.eco-card h4 {
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  color: var(--ink);
}

.eco-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.eco-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 28px;
}

.eco-card p code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-deep);
  background: var(--green-tint);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ============ REFERENCES ============ */
.refs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.ref {
  aspect-ratio: 2.4 / 1;
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  color: var(--ink-mute);
  transition: 0.25s;
  letter-spacing: -0.01em;
}

.ref:hover {
  color: var(--green-deep);
  border-color: var(--green);
  background: var(--paper-elev);
}

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-meta dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 28px;
  margin-bottom: 6px;
  font-weight: 500;
}

.contact-meta dt:first-child { margin-top: 0; }

.contact-meta dd {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.5;
}

.contact-meta dd a { transition: color 0.2s; }
.contact-meta dd a:hover { color: var(--green-deep); }

.contact-steps {
  display: grid;
  gap: 16px;
}

.step {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  transition: 0.25s;
}

.step:hover {
  border-color: var(--green);
  background: var(--paper-elev);
}

.step-n {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 36px;
  font-weight: 400;
  color: var(--green-deep);
  line-height: 1;
  margin-top: 2px;
}

.step h5 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* ============ FOOTER ============ */
footer {
  border-top: 1px solid var(--line-soft);
  padding: 60px 32px 40px;
  background: var(--green-deep);
  color: var(--paper-soft);
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(241, 235, 219, 0.12);
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.footer-brand-row .brand-mark { width: 80px; height: 36px; }
.footer-brand-row .brand-text { font-size: 20px; color: var(--paper-soft); }

.footer-tagline {
  font-style: italic;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--green-soft);
  margin-bottom: 10px;
}

.footer-col h6 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--green-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a {
  color: var(--paper-soft);
  font-size: 14px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--paper); }

.footer-bottom {
  max-width: var(--maxw);
  margin: 24px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(241, 235, 219, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(241, 235, 219, 0.5);
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 56px; padding: 60px 24px; min-height: auto; }
  .hero-visual { max-width: 440px; margin: 0 auto; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .kpi-item:nth-child(3) { border-left: 0; padding-left: 0; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail { grid-template-columns: 1fr; gap: 40px; }
  .service-detail-meta { position: static; }
  .ecosystem-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .refs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 640px) {
  .nav { padding: 14px 20px; gap: 12px; }
  .nav-links { display: none; }
  section { padding: 70px 20px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi-item { border-left: 0 !important; padding-left: 0 !important; }
  .refs-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  h2 { font-size: 32px; }
  .service-detail-num { font-size: 72px; }
  .detail-headline { font-size: 26px; }
  .eco-card h4 { font-size: 36px; }
}

/* ============ ENTRY ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: reveal 0.95s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.reveal:nth-child(2) { animation-delay: 0.08s; }
.reveal:nth-child(3) { animation-delay: 0.16s; }
.reveal:nth-child(4) { animation-delay: 0.24s; }
.reveal:nth-child(5) { animation-delay: 0.32s; }

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

/* ============ SILD SECTION (Signal-Loss Inspection at Data-boundaries) ============ */
.sild-section {
  background: linear-gradient(180deg, var(--paper-soft) 0%, var(--paper-elev) 100%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}

.sild-section::before {
  content: "";
  position: absolute;
  top: -100px; right: -150px;
  width: 600px; height: 600px;
  transform: rotate(45deg);
  border: 1px solid var(--line);
  opacity: 0.25;
  pointer-events: none;
}

.sild-header {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 56px;
}

.sild-badge {
  background: var(--green-deep);
  color: var(--paper-soft);
  padding: 18px 12px;
  border-radius: var(--r);
  text-align: center;
  font-family: var(--font-mono);
}

.sild-badge .b-acronym {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
  display: block;
  margin-bottom: 6px;
  color: var(--paper);
}

.sild-badge .b-expansion {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(241, 235, 219, 0.7);
  line-height: 1.4;
  font-weight: 500;
}

.sild-headline {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  color: var(--ink);
  max-width: 22ch;
  margin-bottom: 12px;
}
.sild-headline em {
  font-style: italic;
  color: var(--green-deep);
}

.sild-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--green-soft);
  margin-bottom: 0;
}

/* Flow diagram */
.sild-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 56px;
}

.flow-node {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px 22px;
  text-align: center;
  transition: 0.25s;
}

.flow-node.detector {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: var(--paper);
}

.flow-node .fn-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.flow-node.detector .fn-label { color: rgba(241,235,219,0.75); }

.flow-node .fn-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--green-deep);
  letter-spacing: 0.08em;
}
.flow-arrow .arrow-line {
  width: 50px;
  height: 1px;
  background: var(--green-deep);
  position: relative;
}
.flow-arrow .arrow-line::after {
  content: "▶";
  position: absolute;
  right: -8px;
  top: -6px;
  font-size: 10px;
  color: var(--green-deep);
}
.flow-arrow .arrow-label {
  font-weight: 500;
}
.flow-arrow .arrow-sub {
  color: var(--ink-mute);
  font-size: 9.5px;
  letter-spacing: 0.1em;
}

/* Loss patterns table */
.loss-patterns-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  font-weight: 500;
  color: var(--green-deep);
  margin-bottom: 24px;
  letter-spacing: -0.015em;
}

.loss-patterns {
  display: grid;
  gap: 12px;
  margin-bottom: 36px;
}

.pattern {
  display: grid;
  grid-template-columns: 4px 110px 1fr auto;
  gap: 22px;
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 20px 24px 20px 0;
  align-items: center;
  transition: 0.25s;
}

.pattern:hover {
  border-color: var(--green);
  background: var(--paper-elev);
}

.pattern .severity-bar {
  background: var(--severity-color);
  border-radius: 0 2px 2px 0;
  align-self: stretch;
  margin-right: -4px;
}

.pattern .severity-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--severity-color);
  padding-left: 18px;
}

.pattern[data-severity="critical"] { --severity-color: #c8534a; }
.pattern[data-severity="high"]     { --severity-color: #d4a02e; }
.pattern[data-severity="medium"]   { --severity-color: #8d7eb5; }

.pattern .pattern-example {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.pattern .pattern-example code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--green-tint);
  color: var(--ink);
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: -0.01em;
}

.pattern .pattern-type {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  font-style: italic;
  letter-spacing: 0.02em;
  text-align: right;
  white-space: nowrap;
}

.sild-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}
.sild-meta span code {
  color: var(--green-deep);
  background: var(--green-tint);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11.5px;
}
.sild-meta .cta-row { margin-top: 0; }

/* ============ AUDIT OFFERING ============ */
.audit-section {
  padding: 100px 32px;
}

.audit-frame {
  background: var(--paper-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 56px;
  position: relative;
  overflow: hidden;
}

.audit-frame::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border: 1px solid var(--green);
  transform: rotate(45deg);
  opacity: 0.2;
  pointer-events: none;
}

.audit-tagline {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--green-deep);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 600;
}

.audit-frame h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 42px);
  letter-spacing: -0.022em;
  line-height: 1.1;
  margin-bottom: 18px;
  max-width: 22ch;
}
.audit-frame h3 em { color: var(--green-deep); font-style: italic; }

.audit-frame > p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 62ch;
  margin-bottom: 40px;
}

.audit-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.audit-step {
  position: relative;
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 26px 24px 24px;
}

.audit-step .step-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 30px;
  font-weight: 400;
  color: var(--green-deep);
  line-height: 1;
  margin-bottom: 14px;
}

.audit-step h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: -0.012em;
  margin-bottom: 8px;
}

.audit-step p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.audit-for {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
}

/* ============ BIO SECTION ============ */
.bio-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.bio-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--ink);
  max-width: 26ch;
  margin-bottom: 32px;
}
.bio-quote::before {
  content: "„";
  color: var(--green);
  font-size: 1.4em;
  margin-right: 2px;
}
.bio-quote::after {
  content: "."
}

.bio-body p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 20px;
}

.bio-credentials {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px 30px;
}

.bio-credentials dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 20px;
  margin-bottom: 5px;
  font-weight: 500;
}
.bio-credentials dt:first-child { margin-top: 0; }

.bio-credentials dd {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.5;
}
.bio-credentials dd em { color: var(--green-deep); font-style: italic; }

/* ============ PROJECTS ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px 30px 28px;
  position: relative;
  transition: 0.25s;
}

.project-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -22px rgba(77, 97, 71, 0.25);
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-meta .period { color: var(--green-deep); font-weight: 500; }

.project-card h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
  line-height: 1.2;
}

.project-card .project-stack {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--green-deep);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.project-card p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.project-card .award {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--green-tint);
  border-left: 2px solid var(--green);
  font-size: 13px;
  color: var(--green-deep);
  font-style: italic;
}

/* ============ REFERENCES — restrained, text-only ============ */
.refs-restrained {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 50px;
}

.ref-group h5 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-weight: 500;
}

.ref-group ul { list-style: none; }
.ref-group li {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 400;
  color: var(--ink);
  padding: 6px 0;
  letter-spacing: -0.005em;
}
.ref-group li em {
  font-style: italic;
  color: var(--green-deep);
  font-size: 13px;
  display: block;
  font-family: var(--font-body);
  letter-spacing: 0;
  margin-top: -2px;
  margin-bottom: 4px;
}

/* ============ BLOG TEASER ============ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: 0.25s;
}

.blog-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}

.blog-card .b-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.blog-card h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 16px;
  flex-grow: 1;
}
.blog-card h4 em { color: var(--green-deep); font-style: italic; }

.blog-card .b-excerpt {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 18px;
}

.blog-card .b-more {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-deep);
  font-weight: 500;
}

/* ============ SERVICE ROWS (3 stacked rows instead of cramped columns) ============ */
.services-stack {
  display: grid;
  gap: 18px;
}

.service-row {
  display: grid;
  grid-template-columns: 90px 1fr 280px auto;
  gap: 44px;
  padding: 40px 44px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  align-items: start;
  transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.service-row:hover {
  border-color: var(--green);
  background: var(--paper-elev);
  box-shadow: 0 18px 40px -22px rgba(77, 97, 71, 0.22);
}

.service-row .sr-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 64px;
  font-weight: 400;
  color: var(--green-deep);
  line-height: 0.9;
  letter-spacing: -0.03em;
  opacity: 0.85;
  align-self: start;
  margin-top: -6px;
}

.service-row .sr-content {
  min-width: 0;
}

.service-row .sr-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-row .sr-meta::after {
  content: "";
  flex-grow: 1;
  max-width: 60px;
  height: 1px;
  background: var(--line);
}

.service-row .sr-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 16px;
}
.service-row .sr-title em { color: var(--green-deep); font-style: italic; }

.service-row .sr-desc {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 56ch;
}
.service-row .sr-desc em { color: var(--green-deep); font-style: italic; font-family: var(--font-display); font-weight: 500; }

.service-row .sr-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  align-content: start;
  padding-top: 30px; /* visually align with title top */
}

.service-row .sr-keywords span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  padding: 4px 9px;
  border-radius: 3px;
  letter-spacing: 0.02em;
  transition: 0.2s;
}

.service-row:hover .sr-keywords span {
  border-color: var(--green);
  color: var(--green-deep);
}

.service-row .sr-cta {
  align-self: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--green-deep);
  transition: 0.25s;
  text-decoration: none;
  background: transparent;
}

.service-row:hover .sr-cta {
  background: var(--green-deep);
  color: var(--paper);
  border-color: var(--green-deep);
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .service-row {
    grid-template-columns: 60px 1fr;
    gap: 24px;
    padding: 30px 28px;
  }
  .service-row .sr-num { font-size: 42px; margin-top: -3px; }
  .service-row .sr-keywords { grid-column: 1 / -1; margin-top: 8px; padding-top: 0; }
  .service-row .sr-cta { grid-column: 2; justify-self: end; margin-top: -10px; }

  /* Tighten nav for tablet widths so 7 items still fit in one line */
  .nav { gap: 24px; }
  .nav-links { gap: 18px; font-size: 13px; }
  .brand-text { font-size: 19px; }
  .brand-tag { font-size: 10px; }

  .sild-header { grid-template-columns: 1fr; gap: 24px; }
  .sild-flow { grid-template-columns: 1fr; gap: 12px; }
  /* Gestapeltes Diagramm: Pfeil NICHT rotieren (sonst stehen die Labels seitlich
     und ragen in die Boxen). Stattdessen Label / Pfeil-nach-unten / Sub-Label
     als zentrierte, horizontal lesbare Zeilen zwischen den gestapelten Boxen.
     Pfeilspitze als normaler Glyph im Fluss → kann nicht überlappen. */
  .flow-arrow { transform: none; gap: 3px; padding: 2px 0; }
  .flow-arrow .arrow-line { width: auto; height: auto; background: none; line-height: 1; }
  .flow-arrow .arrow-line::after {
    content: "\2193"; /* ↓ nach unten */
    position: static;
    right: auto; top: auto;
    font-size: 16px;
    color: var(--green-deep);
  }
  .audit-frame { padding: 36px 28px; }
  .audit-steps { grid-template-columns: 1fr; }
  .bio-grid { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
  .refs-restrained { grid-template-columns: 1fr 1fr; gap: 30px; }
  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .service-row { padding: 24px 22px; gap: 18px; }
}

@media (max-width: 640px) {
  .refs-restrained { grid-template-columns: 1fr; }
}

/* SILD-Verlustmuster: auf schmalen Viewports einspaltig vertikal stapeln,
   damit jede Karte als geschlossene Einheit lesbar bleibt
   (Severity-Badge → Beschreibung → Mustername untereinander). */
@media (max-width: 600px) {
  .loss-patterns { gap: 14px; }
  .pattern {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 20px;
    position: relative;
  }
  /* Severity-Balken vom linken Rand zum Akzentstreifen oben umbauen */
  .pattern .severity-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    margin-right: 0;
    border-radius: var(--r) var(--r) 0 0;
  }
  .pattern .severity-label { padding-left: 0; }
  .pattern .pattern-type { text-align: left; white-space: normal; }
}

.footer-brand-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-brand-row { align-items: flex-start !important; }
.footer-brand-row .brand-text { line-height: 1.05; }
.footer-brand-stack .footer-tagline {
  margin: 0 !important;
  font-size: 13px;
  color: var(--green-soft);
}


/* === 3. Blog-spezifische Ergänzungen (Index-Karten, Beitrags-Typo) === */
/* ===== Blog / Artikel — auf bestehende Tokens aufgesetzt ===== */
.post-inner { max-width: 760px; margin: 0 auto; padding: 84px 24px 110px; }
.post-eyebrow {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green); margin-bottom: 20px;
}
.post-title {
  font-family: var(--font-display); font-weight: 460;
  font-size: clamp(34px, 5.2vw, 56px); line-height: 1.06; letter-spacing: -0.022em;
  color: var(--ink); margin-bottom: 20px;
}
.post-dek {
  font-family: var(--font-display); font-style: italic; font-size: 20px;
  line-height: 1.5; color: var(--ink-mute); margin-bottom: 30px;
}
.post-meta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em;
  color: var(--ink-dim); border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft); padding: 14px 0; margin-bottom: 46px;
}
.post-body p { font-size: 17.5px; line-height: 1.74; color: var(--ink-soft); margin-bottom: 22px; }
.post-body h2 {
  font-family: var(--font-display); font-weight: 460; font-size: 27px;
  line-height: 1.2; letter-spacing: -0.012em; color: var(--ink); margin: 50px 0 16px;
}
.post-body strong { color: var(--ink); font-weight: 600; }
.post-body em { font-style: italic; }
.post-body a { color: var(--green-deep); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.post-body a:hover { color: var(--green); }
.post-body ul { list-style: none; margin: 0 0 24px; padding: 0; }
.post-body li {
  position: relative; padding-left: 24px; font-size: 17px; line-height: 1.62;
  color: var(--ink-soft); margin-bottom: 13px;
}
.post-body li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 12px; height: 1.5px; background: var(--green); }
.post-pull {
  font-family: var(--font-display); font-size: 25px; line-height: 1.32;
  color: var(--ink); letter-spacing: -0.01em; padding: 4px 0 4px 26px;
  border-left: 3px solid var(--green); margin: 34px 0 32px;
}
.post-cta {
  background: var(--paper-elev); border: 1px solid var(--line-soft);
  border-radius: var(--r-lg); padding: 30px 32px; margin: 52px 0 38px;
}
.post-cta .cta-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--green); display: block; margin-bottom: 12px;
}
.post-cta p { font-size: 15.5px; line-height: 1.66; color: var(--ink-soft); margin-bottom: 12px; }
.post-cta p:last-child { margin-bottom: 0; }
.post-back {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em;
  color: var(--green-deep); text-decoration: none; display: inline-block; margin-top: 8px;
}
.post-back:hover { color: var(--green); }

/* Blog-Index Kopf */
.blog-head { max-width: var(--maxw); margin: 0 auto; padding: 84px 24px 12px; }
.blog-head h1 {
  font-family: var(--font-display); font-weight: 460;
  font-size: clamp(32px, 5vw, 52px); line-height: 1.06; letter-spacing: -0.02em;
  color: var(--ink); margin: 14px 0 18px;
}
.soon { opacity: 0.62; cursor: default; }
.soon .b-more { color: var(--ink-dim); }

/* === 4. Fachartikel / Prosa — token-basiert (ISCaD Paper/Sage) ============
   Stylt das vorhandene Artikel-Markup (.callout, .figure, .checklist, .refs …)
   AUSSCHLIESSLICH über die :root-Tokens oben. Keine hartkodierten Farben/Fonts.
   Referenzmuster entwickelt an terminologien_fhir_snomed_loinc_de/_en.
   ========================================================================== */
main.article{
  max-width: 820px;
  margin: 0 auto;
  padding: 72px 32px 96px;
}
main.article h1{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 16px;
  font-variation-settings: "opsz" 90;
}
main.article h2{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--green-deep);
  margin: 52px 0 14px;
}
main.article h3{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 30px 0 8px;
}
main.article p,
main.article li{
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.7;
}
main.article p{ margin: 14px 0; }
main.article ul,
main.article ol{ margin: 12px 0 18px 24px; }
main.article li{ margin: 7px 0; }
main.article strong{ color: var(--ink); font-weight: 600; }
main.article em{ font-style: italic; }

main.article a{
  color: var(--green-deep);
  border-bottom: 1px solid var(--line);
  transition: border-color .2s, color .2s;
}
main.article a:hover{ color: var(--green); border-bottom-color: var(--green); }

/* Byline */
main.article .meta{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin: 0 0 36px;
}

/* Callouts — auf das Theme abgestimmt (Tokens) */
main.article .callout{
  border-radius: var(--r);
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--paper-soft);
  margin: 22px 0;
  font-size: 16px;
}
main.article .callout.info{
  background: var(--green-tint);
  border-color: var(--green-soft);
}
main.article .callout.tip{
  background: rgba(77, 97, 71, 0.06);
  border-color: var(--line);
  border-left: 3px solid var(--green);
}
main.article .callout.warn{
  background: rgba(168, 124, 44, 0.08);
  border-color: var(--line);
  border-left: 3px solid #a87c2c;
}

/* Code */
main.article pre{
  margin: 18px 0;
  padding: 18px 20px;
  background: var(--ink);
  color: var(--paper-soft);
  border-radius: var(--r);
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
}
main.article pre code{ color: inherit; background: none; padding: 0; border: 0; }
main.article code{
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--paper-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  padding: 1px 5px;
}

/* Figures */
main.article .figure{
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--paper-soft);
  padding: 18px;
  margin: 26px 0;
  overflow: hidden;
}
main.article .caption{
  font-family: var(--font-mono);
  color: var(--ink-mute);
  font-size: 12.5px;
  margin-top: 10px;
}

/* Checklist */
main.article .checklist{ list-style: none; padding: 0; margin: 14px 0 0; }
main.article .checklist li{
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper-soft);
  margin: 10px 0;
}
main.article .tick{
  width: 22px; height: 22px; border-radius: var(--r-sm);
  border: 1px solid var(--green-soft);
  background: var(--green-tint);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; line-height: 1; flex: 0 0 22px;
  color: var(--green-deep);
}

/* References */
main.article .refs{ margin-top: 48px; border-top: 1px solid var(--line); padding-top: 8px; }
main.article .refs ol{ margin-left: 22px; }
main.article .refs li{ font-size: 15px; }
main.article .refs a{ word-break: break-word; }

/* === 5. Weitere Artikel-Komponenten (Family B/C, token-basiert) ============
   Deckt das Klassen-Vokabular der übrigen Fachartikel ab. SVG-Diagramm-Marker
   (#arrow…) verbleiben bewusst als kleine inline-<defs> im jeweiligen Artikel.
   ========================================================================== */
main.article .article-header{ border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 28px; }
main.article .article-meta{ font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em; color: var(--ink-mute); margin-top: 8px; }
main.article .abstract{
  background: var(--green-tint);
  border-left: 4px solid var(--green);
  padding: 16px 20px;
  border-radius: var(--r);
  margin: 0 0 18px;
  font-size: 16px;
  color: var(--ink-soft);
}
main.article .keywords{ font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-mute); margin-bottom: 28px; }
main.article .references{ margin-top: 48px; border-top: 1px solid var(--line); padding-top: 8px; }
main.article .references ol{ margin-left: 22px; }
main.article .references li{ font-size: 15px; margin: 6px 0; }
main.article .construction-note{
  font-size: 14px; color: var(--ink-soft);
  background: rgba(168, 124, 44, 0.08);
  border-left: 4px solid #a87c2c;
  padding: 12px 16px; border-radius: var(--r); margin-bottom: 28px;
}
main.article .quote{ border-left: 4px solid var(--line); padding-left: 18px; margin: 22px 0; color: var(--ink-mute); font-style: italic; }
main.article .footer-note{ margin-top: 32px; color: var(--ink-mute); font-size: 14px; }

/* SVG-Diagramm-Klassen (dokumente-mit-fhir-ihe-mhd) — Farben über Tokens */
main.article .box{ fill: var(--paper-soft); stroke: var(--green-deep); stroke-width: 2; }
main.article .box2{ fill: var(--paper-soft); stroke: var(--ink-dim); stroke-width: 2; }
main.article .line{ stroke: var(--green-deep); stroke-width: 2.5; }
main.article .line2{ stroke: var(--green-deep); stroke-width: 2.5; }
main.article .dash{ stroke: var(--ink-dim); stroke-width: 2; stroke-dasharray: 6 6; }
main.article .tag{ fill: var(--green-tint); stroke: var(--green-deep); stroke-width: 1.5; }
main.article .title{ font-family: var(--font-body); font-size: 16px; fill: var(--green-deep); font-weight: 700; }
main.article .svg-label{ font-family: var(--font-body); font-size: 14px; fill: var(--ink); }
main.article .svg-muted{ font-family: var(--font-body); font-size: 13px; fill: var(--ink-mute); }

/* Sprache ohne Übersetzung: sichtbar, aber inaktiv (einsprachige Artikel) */
.lang-na {
  color: var(--ink-dim);        /* gleiche gedämpfte Farbe wie der inaktive .lang button */
  cursor: not-allowed;
  opacity: .55;
  user-select: none;
  padding: 3px 8px;             /* an .lang button angeglichen */
  font: inherit;
}