/* Schriften: lokal gehostet, keine externen Server.
   Überschriften: Cambria, falls auf dem Gerät vorhanden, sonst Caladea (frei lizenzierte, maßgleiche Alternative). */
@font-face {
  font-family: "Caladea";
  src: url("../fonts/caladea-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Caladea";
  src: url("../fonts/caladea-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* Design-System */
:root {
  --paper: #f6f4ee;
  --sand: #eadbc4;
  --sky: #8bc6ea;          /* Grundfarbe: Himmelblau */
  --sky-strong: #6fb3dd;
  --sky-light: #e3f0f8;
  --sky-mid: #a9cbe0;
  --blue-deep: #2c6a94;    /* dunkles Blau für Text-Akzente, gut lesbar */
  --ink: #1c2a35;
  --muted: #4d5a64;
  --error: #9b3b26;
  --line: rgba(28, 42, 53, 0.14);

  --font-head: Cambria, "Caladea", "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;

  --wrap: 1120px;
  --gutter: clamp(20px, 5vw, 48px);
  --section: clamp(72px, 10vw, 128px);
  --radius: 14px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(17px, 1.05vw + 12px, 19px);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.3rem, 4.4vw + 0.6rem, 4rem); }
h2 { font-size: clamp(1.9rem, 2.6vw + 0.7rem, 2.8rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; }

a { color: var(--blue-deep); text-underline-offset: 3px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 8px; }

.eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--sky); }

.lead { font-size: 1.15em; color: var(--muted); max-width: 36em; }

/* Knopf: Himmelblau mit dunkler Schrift */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 26px;
  border: 0;
  border-radius: 999px;
  background: var(--sky);
  color: var(--ink);
  font: 600 1rem/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--sky-strong); color: var(--ink); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(44, 106, 148, .22); }
.btn svg { width: 18px; height: 18px; transition: transform .2s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn--small { min-height: 42px; padding: 9px 20px; font-size: .95rem; }

/* Kopfzeile */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 244, 238, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }

.logo {
  display: flex; align-items: center; gap: 10px; min-height: 48px;
  font-family: var(--font-head); font-weight: 700; font-size: 1.25rem;
  color: var(--ink); text-decoration: none;
}
.logo svg { width: 34px; height: 34px; }
.logo:hover { color: var(--ink); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav a:not(.btn) {
  color: var(--ink); text-decoration: none; font-size: .98rem; position: relative; padding: 6px 0;
}
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--sky); transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav a:not(.btn):hover::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  width: 48px; height: 48px; border: 0; background: none; cursor: pointer; color: var(--ink);
  align-items: center; justify-content: center; border-radius: 10px;
}
.menu-toggle svg { width: 26px; height: 26px; }

/* Kopfbereich */
.hero { padding: clamp(48px, 8vw, 104px) 0 var(--section); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.hero h1 em { font-style: italic; font-weight: 400; color: var(--blue-deep); }
.hero .lead { margin-bottom: 2rem; }
.hero-meta { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: .95rem; padding: 0; list-style: none; }
.hero-meta li { display: flex; align-items: center; gap: 8px; }
.hero-meta svg { width: 18px; height: 18px; color: var(--blue-deep); }

/* Fotos */
.photo {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--sky-light);
}
.photo--4x5, .photo--hero { aspect-ratio: 4 / 5; }
.photo--hero { object-position: 50% 50%; box-shadow: 18px 18px 0 var(--sky-light); }
.about-media .photo { object-position: 50% 30%; box-shadow: -14px 14px 0 var(--sky-light); }

/* Platzhalter-Bilder */
.ph {
  position: relative;
  display: grid; place-items: center;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--sand);
  color: var(--blue-deep);
}
.ph svg.ph-icon { width: 28%; max-width: 120px; height: auto; opacity: .85; }
.ph::after {
  content: ""; position: absolute; inset: 14px;
  border: 1px solid rgba(44, 106, 148, .25); border-radius: calc(var(--radius) - 6px);
  pointer-events: none;
}
.ph--1x1 { aspect-ratio: 1 / 1; }
.ph--dark { background: #2a3c49; color: var(--sky); }
.ph--dark::after { border-color: rgba(139, 198, 234, .3); }

/* Abschnitte */
.section { padding: var(--section) 0; }
.section-head { max-width: 40em; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head p { color: var(--muted); }
.section--sand { background: var(--sand); }
.section--sky { background: var(--sky-light); }
.section--dark { background: var(--ink); color: var(--paper); }
.section--dark .eyebrow { color: var(--sky); }
.section--dark p { color: rgba(246, 244, 238, .82); }
.section--dark a { color: var(--sky); }
.section--dark a:hover { color: #fff; }

/* Themen */
.topics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; list-style: none; padding: 0; margin: 0; }
.topic { background: var(--paper); padding: 30px 28px 32px; transition: background-color .25s ease; }
.topic:hover { background: #fffdf8; }
.topic-num { font-family: var(--font-head); font-style: italic; font-weight: 400; color: var(--blue-deep); font-size: 1.1rem; display: block; margin-bottom: 14px; }
.topic h3 { font-size: 1.25rem; margin-bottom: .45em; }
.topic p { font-size: .96rem; color: var(--muted); margin: 0; }
.topic--more { background: var(--sky); }
.topic--more:hover { background: var(--sky-strong); }
.topic--more .topic-num, .topic--more p { color: var(--ink); }
.topic--more a { font-weight: 600; display: inline-block; margin-top: 10px; color: var(--ink); }

/* Formate */
.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.format {
  background: var(--paper); border-radius: var(--radius); padding: 32px 28px;
  border-top: 4px solid var(--sky);
  transition: transform .25s ease, box-shadow .25s ease;
}
.format:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(28, 42, 53, .08); }
.format svg { width: 36px; height: 36px; color: var(--blue-deep); margin-bottom: 18px; }
.format p { color: var(--muted); margin: 0; }
.format .format-meta { display: block; font-size: .88rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; letter-spacing: .02em; }
.audience { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.audience strong { margin-right: 6px; }
.chip { display: inline-block; padding: 6px 16px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); font-size: .95rem; }

/* Über mich */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(36px, 6vw, 88px); align-items: start; }
.about-points { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 14px; }
.about-points li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; }
.about-points svg { width: 22px; height: 22px; color: var(--blue-deep); margin-top: 3px; }

.placeholder-note {
  background: rgba(139, 198, 234, .22);
  border-left: 3px solid var(--sky);
  padding: 2px 8px;
  border-radius: 0 6px 6px 0;
  font-style: italic;
}

/* Promotion */
.phd-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: clamp(36px, 6vw, 88px); align-items: center; }
.phd-title {
  font-family: var(--font-head); font-style: italic; font-weight: 400;
  font-size: clamp(1.2rem, 1.1vw + 0.85rem, 1.55rem); line-height: 1.35;
  border-left: 3px solid var(--sky); padding-left: 22px; margin: 0 0 1.8rem;
  color: var(--paper) !important;
}
.phd-media .photo { object-position: 50% 30%; box-shadow: 14px 14px 0 rgba(139, 198, 234, .35); background: #2a3c49; }
.phd-facts { display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; margin: 1.6rem 0 0; padding-top: 1.4rem; border-top: 1px solid rgba(246, 244, 238, .15); }
.phd-facts dt { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--sky-mid); padding-top: 3px; }
.phd-facts dd { margin: 0; }

/* Ablauf */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; position: relative; }
.steps::before { content: ""; position: absolute; top: 26px; left: 26px; right: 26px; height: 2px; background: repeating-linear-gradient(90deg, var(--sky-mid) 0 8px, transparent 8px 14px); }
.step { position: relative; }
.step-num {
  position: relative;
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--paper); border: 2px solid var(--sky); color: var(--blue-deep);
  font-family: var(--font-head); font-weight: 700; font-size: 1.3rem;
  margin-bottom: 20px;
  transition: background-color .25s ease, color .25s ease;
}
.step:hover .step-num { background: var(--sky); color: var(--ink); }
.step p { color: var(--muted); font-size: .97rem; }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 6vw, 80px); align-items: start; }
.contact-direct { margin-top: 1.8rem; padding-top: 1.4rem; border-top: 1px dashed rgba(44, 106, 148, .4); display: flex; align-items: center; gap: 12px; max-width: 26em; }
.contact-direct svg { width: 22px; height: 22px; color: var(--blue-deep); flex: none; }

.form { background: var(--paper); border-radius: var(--radius); padding: clamp(24px, 4vw, 40px); box-shadow: 0 20px 40px rgba(28, 42, 53, .07); }
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; }
.field .opt { font-weight: 400; color: var(--muted); }
.field input, .field textarea {
  width: 100%;
  font: inherit; font-size: 1rem; color: var(--ink);
  background: #fffefb;
  border: 1px solid rgba(28, 42, 53, .25);
  border-radius: 10px;
  padding: 12px 14px;
  min-height: 48px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue-deep); box-shadow: 0 0 0 3px rgba(139, 198, 234, .45); }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: .88rem; color: var(--muted); margin: 4px 0 20px; }
.form-status { margin: 16px 0 0; font-weight: 600; min-height: 1.6em; }
.form-status.is-ok { color: #2f6b45; }
.form-status.is-error { color: var(--error); }

/* Fußzeile */
.site-footer { background: var(--ink); color: rgba(246, 244, 238, .8); padding: 48px 0; font-size: .95rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.site-footer .logo { color: var(--paper); }
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: var(--sky); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 24px; list-style: none; margin: 0; padding: 0; }

/* Unterseiten (Impressum, Datenschutz) */
.legal { padding: clamp(48px, 7vw, 96px) 0 var(--section); }
.legal .wrap { max-width: 760px; }
.legal h2 { font-size: 1.5rem; margin-top: 2.2em; }
.legal h3 { font-size: 1.15rem; margin-top: 1.6em; }
.legal-hint { background: var(--sky-light); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 2rem; }

/* Sanftes Einblenden */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0s !important; }
}

/* Tablet */
@media (max-width: 1000px) {
  .topics { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
}

/* Handy: eigener Durchgang */
@media (max-width: 820px) {
  html { scroll-padding-top: 72px; }
  .header-inner { height: 64px; }
  .menu-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 24px;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav ul a { display: block; padding: 14px 0 !important; border-bottom: 1px solid var(--line); font-size: 1.05rem !important; }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 18px; justify-content: center; }

  /* Kopfbereich: Text und Knopf zuerst, das Foto folgt als flacher Streifen */
  .hero { padding-top: 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero .btn { width: 100%; justify-content: center; }
  .photo--hero { aspect-ratio: 3 / 2; object-position: 50% 40%; box-shadow: 10px 10px 0 var(--sky-light); }

  /* Themen: eine Spalte, kompakter */
  .topics { grid-template-columns: 1fr; }
  .topic { padding: 20px 20px 22px; display: grid; grid-template-columns: 34px 1fr; column-gap: 8px; }
  .topic-num { margin: 2px 0 0; grid-row: span 3; }

  .formats { grid-template-columns: 1fr; gap: 16px; }
  .format { padding: 24px 22px; }
  .format svg { display: none; }

  /* Über mich: Porträt klein, über dem Text */
  .about-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 220px; }
  .about-media .photo { box-shadow: 10px 10px 0 var(--sky-light); }

  /* Promotion: Foto klein unter dem Text, damit der Arbeitstitel zuerst kommt */
  .phd-grid { grid-template-columns: 1fr; gap: 32px; }
  .phd-media { max-width: 220px; }
  .phd-media .photo { box-shadow: 10px 10px 0 rgba(139, 198, 234, .35); }

  /* Ablauf: senkrechte Linie statt Raster */
  .steps { grid-template-columns: 1fr; row-gap: 0; }
  .step { display: grid; grid-template-columns: 52px 1fr; column-gap: 18px; padding-bottom: 26px; }
  .step::before { content: ""; position: absolute; left: 25px; top: 52px; bottom: 0; width: 2px; background: var(--sky-mid); }
  .step:last-child::before { display: none; }
  .step-num { margin: 0; grid-row: span 2; }
  .step h3 { margin-top: 12px; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-direct { flex-wrap: wrap; word-break: break-word; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .form .btn { width: 100%; justify-content: center; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}