/* ═══════════════════════════════════════════════════════════════
   KOSMOS — advisionary.de · advisory-boards.de · advisai.de
   Gemeinsames Designsystem · Premium / Private-Equity-Duktus
   Fraunces (Display) · Inter (Text) · selbst gehostete Fonts
   ═══════════════════════════════════════════════════════════════ */

@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces-opsz.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-opsz.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Palette — tiefes Pinien-Grün, Elfenbein, Bronze */
  --paper:  #F7F5F0;
  --wash:   #EFECE3;
  --ink:    #15271F;
  --stone:  #5C685F;
  --line:   rgba(21, 39, 31, .16);
  --accent: #A07E3B;

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, sans-serif;

  --measure: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:  #121A17;
    --wash:   #18231E;
    --ink:    #EDEAE1;
    --stone:  #93A096;
    --line:   rgba(237, 234, 225, .16);
    --accent: #C2A368;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

::selection { background: rgba(160, 126, 59, .22); }

body {
  font-family: var(--sans);
  font-weight: 380;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3.5rem);
}

a { color: var(--ink); text-decoration-color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

/* ── Kopf ── */
.top {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
  padding: clamp(1.5rem, 3.5vh, 2.5rem) 0 1.4rem;
  border-bottom: 1px solid var(--ink);
}
.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 540;
  font-variation-settings: 'opsz' 40;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}
.brand svg { width: 24px; height: 24px; color: var(--ink); }
.nav { display: flex; gap: clamp(1.1rem, 2.5vw, 2.2rem); flex-wrap: wrap; }
.nav a {
  font-size: .72rem;
  font-weight: 480;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--stone);
  text-decoration: none;
  padding: .5rem 0;
}
.nav a:hover { color: var(--accent); }

/* ── Hero (Startseiten) ── */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(3.5rem, 9vh, 6.5rem) 0 clamp(3rem, 7vh, 5rem);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.8vw, 3.4rem);
  font-weight: 480;
  font-variation-settings: 'opsz' 90;
  line-height: 1.14;
  letter-spacing: -.012em;
  text-wrap: balance;
  margin-bottom: 1.4rem;
}
.lead {
  font-size: 1.08rem;
  font-weight: 370;
  line-height: 1.8;
  color: var(--stone);
  max-width: 36rem;
  margin-bottom: 2.2rem;
  text-wrap: pretty;
}
.hero figure { margin: 0; }
.hero figure svg { width: 100%; height: auto; display: block; }

/* ── Seitenkopf (Ratgeber) ── */
.pagehead { padding: clamp(3.5rem, 9vh, 6rem) 0 clamp(1.5rem, 3vh, 2.5rem); max-width: 54rem; }
.pagehead h1 {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.8vw, 3.3rem);
  font-weight: 480;
  font-variation-settings: 'opsz' 90;
  line-height: 1.13;
  letter-spacing: -.012em;
  text-wrap: balance;
  margin-bottom: 1.2rem;
}
.pagehead .lead { margin-bottom: 0; }
.eyebrow {
  font-size: .7rem; font-weight: 520;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.3rem;
}

/* ── CTA ── */
.cta {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .17em;
  text-transform: uppercase;
  text-decoration: none;
  padding: .95rem 2.1rem;
  border: 1px solid var(--ink);
  transition: background .25s, color .25s;
}
.cta:hover { background: transparent; color: var(--ink); }
@media (prefers-color-scheme: dark) {
  .cta { color: #121A17; }
  .cta:hover { color: var(--ink); }
}

/* ── Sektionen: Marginal-Layout (PE-Memo-Stil) ── */
.section {
  display: grid;
  grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2.75rem, 6.5vh, 4.5rem) 0;
  border-top: 1px solid var(--line);
}
.section > h2 {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
  font-weight: 520;
  font-variation-settings: 'opsz' 60;
  line-height: 1.25;
  letter-spacing: -.008em;
  text-wrap: balance;
  position: sticky; top: 1.5rem;
  align-self: start;
}
.section .body { max-width: var(--measure); }
.section .body > p { margin-bottom: 1.25rem; text-wrap: pretty; }
.section .body > p:last-child { margin-bottom: 0; }
.muted { color: var(--stone); font-size: .92rem; }

/* ── Leistungsfelder ── */
.fields { list-style: none; }
.fields li {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  display: grid; gap: .3rem;
}
.fields li:first-child { padding-top: .2rem; }
.fields li:last-child { border-bottom: 0; padding-bottom: 0; }
.fields b {
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 540;
  font-variation-settings: 'opsz' 40;
  letter-spacing: -.005em;
}
.fields span { color: var(--stone); font-size: .94rem; line-height: 1.75; }

/* ── Definitionslisten ── */
dl { display: grid; grid-template-columns: minmax(8rem, 11rem) 1fr; }
dt {
  font-size: .72rem; font-weight: 520;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  padding: 1.05rem 1rem 1.05rem 0;
  border-top: 1px solid var(--line);
}
dd {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: .95rem;
}
dl dt:first-of-type, dl dt:first-of-type + dd { border-top: 0; padding-top: .2rem; }

/* ── Themenliste (Ratgeber-Hubs) ── */
.topics { list-style: none; counter-reset: topic; }
.topics li {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  display: grid; gap: .3rem;
  counter-increment: topic;
  position: relative;
  padding-left: 3.2rem;
}
.topics li::before {
  content: counter(topic, decimal-leading-zero);
  position: absolute; left: 0; top: 1.55rem;
  font-family: var(--serif);
  font-size: .95rem; font-style: italic;
  color: var(--accent);
}
.topics li:last-child { border-bottom: 0; padding-bottom: 0; }
.topics a {
  font-family: var(--serif);
  font-size: 1.15rem; font-weight: 540;
  font-variation-settings: 'opsz' 40;
  text-decoration: none;
}
.topics a:hover { color: var(--accent); }
.topics span { color: var(--stone); font-size: .94rem; line-height: 1.75; }

/* ── FAQ ── */
.faq h3 {
  font-family: var(--serif);
  font-size: 1.12rem; font-weight: 540;
  font-variation-settings: 'opsz' 40;
  margin: 1.9rem 0 .55rem;
  letter-spacing: -.005em;
}
.faq h3:first-child { margin-top: 0; }
.faq p { color: var(--stone); font-size: .95rem; margin-bottom: 0; text-wrap: pretty; }

/* ── Partner / Profil ── */
.partner { display: flex; gap: 2rem; align-items: flex-start; flex-wrap: wrap; }
.partner h3 {
  font-family: var(--serif);
  font-size: 1.35rem; font-weight: 540;
  font-variation-settings: 'opsz' 50;
  margin-bottom: .45rem;
}
.partner .role { color: var(--ink); font-size: .95rem; margin-bottom: .8rem; }
.partner p { margin-bottom: .8rem; }
.partner .register { font-size: .82rem; color: var(--stone); margin-bottom: 0; }
.portrait {
  position: relative;
  width: 108px; height: 108px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--wash);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.portrait img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.03);
}
.portrait span {
  font-family: var(--serif);
  font-size: 1.5rem; font-style: italic;
  color: var(--accent);
}

/* ── Praxis-Verweis (Satelliten → Zentrum) ── */
.practice {
  display: flex; gap: 1.75rem; align-items: center; flex-wrap: wrap;
  background: var(--wash);
  border-top: 2px solid var(--ink);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  margin: clamp(3rem, 7vh, 4.5rem) 0 0;
}
.practice .portrait { width: 84px; height: 84px; }
.practice p { margin-bottom: .45rem; font-size: .95rem; text-wrap: pretty; }
.practice p:last-child { margin-bottom: 0; }
.practice a, .faq a, .muted a { display: inline-block; padding: .3rem 0; margin: -.3rem 0; }
.practice strong { font-family: var(--serif); font-size: 1.08rem; font-weight: 540; letter-spacing: -.005em; }

/* ── Intro mit Diagramm ── */
.intro { border-top: 0; padding-top: clamp(1rem, 2.5vh, 2rem); }
.diagram { margin: 2.25rem 0 0; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram figcaption {
  font-size: .78rem; color: var(--stone);
  letter-spacing: .04em;
  margin-top: .8rem;
  padding-top: .6rem;
  border-top: 1px solid var(--line);
}

/* ── Fuß ── */
footer {
  display: flex; align-items: baseline; gap: 1.6rem; flex-wrap: wrap;
  border-top: 1px solid var(--ink);
  margin-top: clamp(3rem, 8vh, 5.5rem);
  padding: 1.5rem 0 clamp(2rem, 5vh, 3rem);
  font-size: .78rem;
  color: var(--stone);
}
footer a { color: var(--stone); text-decoration: none; display: inline-block; padding: .55rem 0; margin: -.55rem 0; }
footer a:hover { color: var(--accent); }
footer span:last-child { margin-left: auto; }

/* ── Responsiv ── */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero figure { max-width: 24rem; margin: 0 auto; }
  .section { grid-template-columns: 1fr; gap: 1.1rem; }
  .section > h2 { position: static; }
  dl { grid-template-columns: 1fr; }
  dt { border-top: 1px solid var(--line); padding-bottom: .15rem; }
  dd { border-top: 0; padding-top: 0; padding-bottom: 1.05rem; }
  dl dt:first-of-type { border-top: 0; padding-top: .2rem; }
  footer span:last-child { margin-left: 0; }
}