/* ============================================================
   tausend. – Website Stylesheet (Dark-First)
   CD: Dark #1A1A1A · Anthrazit #2E2E2E · Mint #4ECDC4 · Off-White #F5F5F0
   Schrift: DM Sans (Variable Font, selbst gehostet – DSGVO)
   ============================================================ */

/* ---------- Font ----------
   DM Sans Variable Font, selbst gehostet (Original-Release, OFL-Lizenz
   liegt als /fonts/OFL.txt bei). Keine Einbindung über Google-Server. */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("/fonts/DMSans-Variable.woff2") format("woff2");
}

/* ---------- Design-Tokens ---------- */
:root {
  --color-bg: #1a1a1a;          /* Basisfläche */
  --color-surface: #2e2e2e;     /* Karten, Formularfelder, zweite Ebene */
  --color-text: #f5f5f0;        /* Text auf dunklem Grund */
  --color-text-dim: rgba(245, 245, 240, 0.75); /* nie unter 0.65 (WCAG AA) */
  --color-accent: #4ecdc4;      /* Mint – ausschließlich Akzent */
  --color-accent-hover: #72dcd5;
  --color-line: rgba(245, 245, 240, 0.08);
  --color-line-strong: rgba(245, 245, 240, 0.1);

  /* Helle Kontrastsektion (Über mich) */
  --color-light-bg: #f5f5f0;
  --color-light-text: #2e2e2e;
  --color-light-text-dim: #5b5b56;
  --color-accent-on-light: #1f7d76; /* Mint abgedunkelt, lesbar auf Off-White */

  --radius: 12px;
  --maxw: 1080px;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
  /* Anker landen nicht unter der Sticky-Navigation */
  scroll-padding-top: 5.5rem;
}

body {
  font-family: "DM Sans", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-text);
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Typografie ---------- */
h1,
h2,
h3 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.2rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

/* Der Marken-Punkt: immer Mint */
.dot {
  color: var(--color-accent);
}

/* Mint-Sektionsnummer (01–06) vor jeder H2 der Startseite */
main {
  counter-reset: sec;
}

main section h2::before {
  counter-increment: sec;
  content: "0" counter(sec);
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* ---------- Skip-Link (A11y) ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 26, 26, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.6rem 1.5rem;
  max-width: var(--maxw);
  margin: 0 auto;
}

.nav-logo img {
  width: 132px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--color-text-dim);
  padding-bottom: 0.2rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* Scroll-Spy: aktiver Abschnitt */
.nav-links a.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.nav-cta {
  background: var(--color-accent);
  color: var(--color-bg) !important;
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  font-weight: 700;
  border-bottom: 0 !important;
  transition: background 0.2s ease;
}

.nav-cta:hover {
  background: var(--color-accent-hover);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.4rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding: 6rem 0;
  overflow: hidden;
}

/* Dezentes Punktraster rechts – rein dekorativ */
.hero::before {
  content: "";
  position: absolute;
  top: 10%;
  right: 0;
  bottom: 10%;
  left: 62%;
  background-image: radial-gradient(rgba(245, 245, 240, 0.1) 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  width: 100%;
}

.hero .eyebrow {
  color: var(--color-text-dim);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 1.4rem;
}

.hero h1 {
  max-width: 14ch;
}

/* Ein Absatz mit festen <br>-Umbrüchen – Zeilenabstand bleibt der normale line-height */
.hero .subline {
  max-width: 76ch;
  margin: 1.8rem 0 2.6rem;
  font-size: 1.2rem;
  color: var(--color-text-dim);
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
  text-decoration: none;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  border: 0;
  font-size: 1.05rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn:hover {
  background: var(--color-accent-hover);
}

.hero .summary {
  margin-top: 4rem;
  padding: 1.4rem 1.6rem;
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  max-width: 62ch;
  color: var(--color-text-dim);
  font-size: 1rem;
}

/* ---------- Sektionen ---------- */
section {
  padding: 8rem 0;
}

.section-intro {
  max-width: 65ch;
  color: var(--color-text-dim);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.section-intro:last-child {
  margin-bottom: 0;
}

/* Problem/Lösung: reiner Textblock */
.statement p {
  max-width: 65ch;
  color: var(--color-text-dim);
  font-size: 1.1rem;
}

.statement p + p {
  margin-top: 1.2rem;
}

/* Sanftes Einblenden beim Scrollen (Klasse wird per JS gesetzt) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Leistungen: Drei-Block-Modell ---------- */
.blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  list-style: none;
  counter-reset: block;
}

.blocks li {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.8rem;
  counter-increment: block;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.blocks li:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.blocks li::before {
  content: counter(block, decimal-leading-zero);
  display: block;
  font-weight: 700;
  color: var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.8rem;
}

.blocks .tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 999px;
  padding: 0.1rem 0.65rem;
  margin-left: 0.35rem;
  vertical-align: middle;
}

.blocks p {
  color: var(--color-text-dim);
  font-size: 0.98rem;
}

/* ---------- Prozess: Fünf Phasen als Timeline ---------- */
.phases {
  list-style: none;
  position: relative;
  counter-reset: phase;
}

/* Mint-Verbindungslinie */
.phases::before {
  content: "";
  position: absolute;
  left: calc(1.3rem - 0.5px);
  top: 1.8rem;
  bottom: 1.8rem;
  width: 1px;
  background: rgba(78, 205, 196, 0.35);
}

.phases li {
  counter-increment: phase;
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 1.2rem;
  padding: 1.4rem 0;
  position: relative;
}

/* Mint-Station */
.phases li::before {
  content: counter(phase);
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--color-bg); /* deckt die Linie hinter der Station ab */
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}

.phases h3 {
  color: var(--color-text);
}

.phases p {
  color: var(--color-text-dim);
  font-size: 0.98rem;
  max-width: 60ch;
}

/* ---------- Über mich: die helle Kontrastsektion ---------- */
#ueber-mich {
  background: var(--color-light-bg);
  color: var(--color-light-text);
}

#ueber-mich h2 {
  color: var(--color-light-text);
}

#ueber-mich h2::before {
  color: var(--color-accent-on-light);
}

#ueber-mich .section-intro {
  color: var(--color-light-text-dim);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p + p {
  margin-top: 1rem;
}

/* Qualifikations-Karte: dunkle Fläche in der hellen Sektion */
.about-card {
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: 1.9rem;
}

.about-card h3 {
  color: var(--color-text);
  margin-bottom: 1rem;
}

.about-card ul {
  list-style: none;
}

.about-card li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: 0.7rem;
  font-size: 0.98rem;
  color: var(--color-text-dim);
}

.about-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  border-top: 1px solid var(--color-line-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--color-line-strong);
}

.faq-list summary {
  cursor: pointer;
  padding: 1.25rem 0.2rem;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s ease;
}

.faq-list summary:hover {
  color: var(--color-accent);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--color-accent);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1;
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list details p {
  padding: 0 0.2rem 1.3rem;
  color: var(--color-text-dim);
  max-width: 62ch;
}

/* summary enthält das h3 – Größe an Fließtext angleichen */
.faq-list h3 {
  font-size: 1.05rem;
  margin: 0;
  color: inherit;
}

/* ---------- Kontakt ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

.contact-mail {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 3px solid var(--color-accent);
  transition: color 0.2s ease;
}

.contact-mail:hover {
  color: var(--color-accent);
}

.contact-form {
  display: grid;
  gap: 1.1rem;
}

.contact-form label {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  display: grid;
  gap: 0.4rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
  transition: border-color 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.contact-form textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 0.88rem;
  color: var(--color-text-dim);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
  color: var(--color-text);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-inner img {
  width: 130px;
}

.footer-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
}

/* ---------- Unterseiten (Impressum / Datenschutz) ---------- */
.legal {
  padding: 4.5rem 1.5rem 6rem;
  max-width: 760px;
}

.legal h1 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-bottom: 1.8rem;
}

.legal h2 {
  font-size: 1.25rem;
  margin: 2.2rem 0 0.6rem;
}

.legal p {
  color: var(--color-text-dim);
}

.legal p + p {
  margin-top: 0.8rem;
}

.legal a {
  color: var(--color-accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  section {
    padding: 5rem 0;
  }

  .hero {
    min-height: auto;
    padding: 5rem 0 4rem;
  }

  .hero::before {
    display: none;
  }

  .blocks {
    grid-template-columns: 1fr;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.2rem 1.5rem 1.6rem;
    gap: 1.1rem;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }
}

/* ---------- Reduzierte Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .blocks li,
  .blocks li:hover {
    transform: none;
    transition: none;
  }
}