/* automik IT Ulm – Stylesheet
   Farben und Schrift stehen oben als Variablen. Keine externen Quellen. */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/atkinson-hyperlegible-next-400.woff2") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/atkinson-hyperlegible-next-700.woff2") format("woff2");
}

:root {
  --navy: #0e2a47;
  --blue: #1a5fa8;
  --blue-light: #7fb2e6;
  --slate: #5a6b7c;
  --sky: #c9d8e8;
  --paper: #f3f6f9;
  --line: #d5dde6;
  --green: #2e7d5b;
  --white: #fff;
  --wrap: 70rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(3.5rem, 8vw, 6rem);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--navy);
  background: var(--white);
}

h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

a { color: var(--blue); text-underline-offset: 0.18em; }
a:hover { color: var(--navy); }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip {
  position: absolute;
  left: var(--pad);
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--navy);
  color: var(--white);
  border-radius: 0.5rem;
}
.skip:focus { top: 0.75rem; color: var(--white); }

/* ---------- Kopfzeile ---------- */

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.75rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--navy);
  text-decoration: none;
}
.logo svg { width: 2.5rem; height: 2.5rem; flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.03em; }
.logo-sub {
  margin-top: 0.3rem;
  font-size: 0.62rem;
  letter-spacing: 0.27em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------- Schaltflächen ---------- */

.btn {
  display: inline-block;
  padding: 0.8rem 1.35rem;
  border-radius: 0.5rem;
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  line-height: 1.25;
}
.btn:hover { background: var(--blue); color: var(--white); }
.btn-small { padding: 0.55rem 1rem; font-size: 0.95rem; }
.btn-light { background: var(--white); color: var(--navy); }
.btn-light:hover { background: var(--sky); color: var(--navy); }

/* ---------- Einstieg ---------- */

.hero { padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(2.75rem, 6vw, 4.5rem); }

.hero h1 {
  max-width: 19em;
  font-size: clamp(2.125rem, 1.15rem + 4.3vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.022em;
}

.lead {
  max-width: 34em;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  font-size: clamp(1.15rem, 1.02rem + 0.6vw, 1.4rem);
  line-height: 1.45;
  color: var(--slate);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}
.hero .cta { margin-top: clamp(1.5rem, 3vw, 2rem); }
.cta-note { color: var(--slate); }

/* ---------- Bausteine ---------- */

.bausteine {
  padding-block: clamp(2.75rem, 6vw, 4.5rem) var(--section);
  background: var(--paper);
}

.section-title {
  max-width: 24em;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2rem);
  letter-spacing: -0.012em;
}

.kasten {
  display: grid;
  gap: 0.625rem;
}

.baustein {
  padding: clamp(1.25rem, 3.2vw, 2.5rem);
  border-radius: 0.75rem;
  background: var(--white);
}
.baustein h3 { font-size: 1.375rem; letter-spacing: -0.01em; }
.baustein p { margin-top: 0.75rem; max-width: 34em; }

/* Grundbaustein: dunkel, volle Breite */
.baustein-haupt {
  display: grid;
  gap: 1.5rem 3rem;
  background: var(--navy);
  color: var(--white);
}
.baustein-haupt h3 { font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2rem); }
.baustein-haupt p { color: var(--sky); font-size: 1.125rem; }

/* Listenpunkte: der blaue Querstrich aus dem Logo */
.striche {
  padding: 0;
  list-style: none;
}
.striche li {
  position: relative;
  padding-left: 1.75rem;
}
.striche li + li { margin-top: 0.6rem; }
.striche li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 1rem;
  height: 3px;
  background: var(--blue-light);
}

.baustein .claim {
  font-weight: 700;
  color: var(--blue);
}

/* Beispiel-Ablauf in den Bausteinen */
.baustein .flow-title { margin-top: 1.25rem; color: var(--slate); }

.flow {
  --dot: 0.75rem;
  --top: calc((1.6em - var(--dot)) / 2);
  --farbe: var(--blue);
  margin-top: 0.6rem;
  padding: 0;
  list-style: none;
}
.flow li {
  position: relative;
  padding: 0 0 0.7rem 1.75rem;
}
.flow li:last-child { padding-bottom: 0; }
/* Station */
.flow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--top);
  width: var(--dot);
  height: var(--dot);
  border-radius: 50%;
  background: var(--farbe);
  box-shadow: inset 0 0 0 2px var(--farbe);
}
/* Verbindung zur nächsten Station */
.flow li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: calc(var(--dot) / 2 - 1px);
  top: calc(var(--top) + var(--dot) + 3px);
  bottom: calc(3px - var(--top));
  width: 2px;
  background: var(--line) linear-gradient(var(--farbe), var(--farbe)) no-repeat;
  background-size: 100% 100%;
}

/* Der automatische Ablauf: grün, läuft einmal durch, sobald er im Bild ist */
.flow-lauf { --farbe: var(--green); }

@media (prefers-reduced-motion: no-preference) {
  .flow-lauf.is-running li::before { animation: station 0.3s ease-out both; }
  .flow-lauf.is-running li::after { animation: strecke 0.75s linear both; }
  .flow-lauf.is-running li:nth-child(1)::before { animation-delay: 0.2s; }
  .flow-lauf.is-running li:nth-child(1)::after { animation-delay: 0.45s; }
  .flow-lauf.is-running li:nth-child(2)::before { animation-delay: 1.2s; }
  .flow-lauf.is-running li:nth-child(2)::after { animation-delay: 1.45s; }
  .flow-lauf.is-running li:nth-child(3)::before { animation-delay: 2.2s; }
  .flow-lauf.is-running li:nth-child(3)::after { animation-delay: 2.45s; }
  .flow-lauf.is-running li:nth-child(4)::before { animation-delay: 3.2s; }
}

@keyframes station {
  from {
    background: var(--white);
    box-shadow: inset 0 0 0 2px var(--slate);
    transform: scale(1);
  }
  60% { transform: scale(1.35); }
  to {
    background: var(--farbe);
    box-shadow: inset 0 0 0 2px var(--farbe);
    transform: scale(1);
  }
}

@keyframes strecke {
  from { background-size: 100% 0; }
  to { background-size: 100% 100%; }
}

/* ---------- So arbeite ich ---------- */

.arbeit { padding-block: var(--section); }

.arbeit-grid {
  display: grid;
  gap: 2.5rem;
}

.ueber p { max-width: 30em; }
.ueber p + p { margin-top: 0.9rem; }

.zusagen {
  display: grid;
  gap: 1.75rem 2.5rem;
}
.zusagen dt {
  padding-top: 0.85rem;
  border-top: 3px solid var(--blue);
  font-weight: 700;
  font-size: 1.125rem;
}
.zusagen dd { margin-top: 0.35rem; color: var(--slate); }

/* ---------- Kontakt ---------- */

.kontakt {
  padding-block: var(--section);
  background: var(--navy);
  color: var(--white);
}
.kontakt h2 {
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.75rem);
  letter-spacing: -0.02em;
}
.kontakt p {
  max-width: 32em;
  margin-top: 1rem;
  font-size: 1.125rem;
  color: var(--sky);
}
.kontakt .cta { margin-top: 2rem; }
.kontakt a:not(.btn) { color: var(--white); }
.kontakt a:not(.btn):hover { color: var(--sky); }
.kontakt :focus-visible { outline-color: var(--white); }

/* ---------- Fußzeile ---------- */

.site-footer {
  padding-block: 1.75rem;
  font-size: 0.95rem;
  color: var(--slate);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
}
.site-footer a { color: var(--slate); }
.site-footer a:hover { color: var(--navy); }
.site-footer .copy { margin-left: auto; }

/* ---------- Textseiten (Impressum, Datenschutz, 404) ---------- */

.prose { padding-block: clamp(2rem, 6vw, 4rem) var(--section); }
.prose > * { max-width: 42rem; }
.prose h1 {
  font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
  letter-spacing: -0.02em;
}
.prose h2 {
  margin-top: 2.25rem;
  font-size: 1.3rem;
}
.prose p,
.prose ul,
.prose address { margin-top: 0.8rem; }
.prose address { font-style: normal; }
.prose ul { padding-left: 1.25rem; }
.prose li + li { margin-top: 0.35rem; }
.prose .stand { margin-top: 2.5rem; color: var(--slate); }
.prose .btn { margin-top: 1.5rem; }

/* ---------- Breitere Bildschirme ---------- */

@media (min-width: 52rem) {
  .kasten { grid-template-columns: 1fr 1fr; }
  .baustein-haupt {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .arbeit-grid { grid-template-columns: 0.7fr 1.3fr; gap: 4rem; }
  .zusagen { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 23.5rem) {
  .site-header .btn { display: none; }
}