/* ==========================================================================
   sf-automation – Stylesheet
   Farben und Abstände zentral als Variablen: hier anpassen, wirkt überall.
   ========================================================================== */

/* Schriften lokal eingebunden (kein Google-Fonts-Abruf → DSGVO-freundlich) */
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }

:root {
  --accent: #1DBF73;        /* Logo-Grün */
  --accent-dark: #1B7A4B;   /* Grün für Text auf Hell (Kontrast) */
  --accent-darker: #125C37;
  --accent-tint: #EAF7F0;

  --dark: #0F1113;
  --dark-2: #16191C;
  --dark-3: #1A1D20;
  --dark-4: #1C1F23;
  --dark-line: #272B30;
  --dark-line-2: #31363C;
  --dark-line-3: #3C4248;
  --footer: #090A0B;

  --text: #16202A;
  --text-muted: #4B5866;
  --text-on-dark: #F2F4F6;
  --muted-on-dark: #C8CCD1;
  --faint-on-dark: #949AA1;

  --bg: #F5F6F7;
  --surface: #FFFFFF;
  --line: #E2E6EA;
  --chip: #F0F2F4;

  --radius: 14px;
  --container: 1200px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; font-family: var(--sans); color: var(--text); background: var(--bg); line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--accent-dark); }
a:hover { color: var(--accent-darker); }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

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

.container { max-width: var(--container); margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.section { padding: 112px 0; }
.section--white { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--dark { background: var(--dark); color: var(--text-on-dark); }
.section-head { display: flex; flex-direction: column; gap: 14px; max-width: 720px; margin-bottom: 48px; }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-dark); }
.eyebrow--accent { color: var(--accent); }
.h2 { font-size: 42px; line-height: 1.12; }
.lead { font-size: 18px; line-height: 1.6; color: var(--text-muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 8px; font-weight: 600; font-size: 16px; text-decoration: none; border: 0; cursor: pointer; font-family: inherit; }
.btn--primary { background: var(--accent); color: var(--dark); }
.btn--primary:hover { background: #3DD68C; color: var(--dark); }
.btn--ghost { border: 1px solid var(--dark-line-3); color: var(--text-on-dark); font-weight: 500; }
.btn--ghost:hover { border-color: var(--faint-on-dark); color: var(--text-on-dark); }
.btn--sm { min-height: 44px; padding: 0 20px; font-size: 15px; }

/* Header */
.hero-wrap { background: var(--dark); color: var(--text-on-dark); }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--dark-line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__icon { width: 44px; height: 44px; }
.brand__word { height: 22px; width: auto; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 26px; font-size: 15px; }
.nav a:not(.btn) { color: var(--muted-on-dark); text-decoration: none; }
.nav a:not(.btn):hover { color: var(--text-on-dark); }
.nav__lang { font-family: var(--mono); font-size: 13px; color: var(--faint-on-dark) !important; }

/* Hero */
.hero { display: flex; flex-wrap: wrap; align-items: center; gap: 56px; padding: 96px 0 104px; }
.hero__text { flex: 999 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }
.hero__side { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.badge { display: inline-flex; align-self: flex-start; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--dark-line-2); border-radius: 999px; font-family: var(--mono); font-size: 13px; color: var(--muted-on-dark); }
.badge__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: 60px; line-height: 1.05; letter-spacing: -0.025em; font-weight: 700; }
.hero__lead { font-size: 20px; line-height: 1.55; color: var(--muted-on-dark); max-width: 600px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; padding-top: 8px; }
.portrait { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: var(--radius); background: var(--dark-4); }
.portrait--placeholder { display: flex; align-items: center; justify-content: center; border: 1px dashed var(--dark-line-3); color: var(--faint-on-dark); font-size: 14px; }
.code { border-radius: var(--radius); background: var(--dark-2); border: 1px solid var(--dark-line); padding: 20px 22px; font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: var(--muted-on-dark); margin: 0; white-space: pre; overflow-x: auto; }
.code .c { color: var(--faint-on-dark); }
.code .k { color: var(--accent); }

/* Kennzahlen */
.facts { background: var(--surface); border-bottom: 1px solid var(--line); }
.facts__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; padding-top: 40px; padding-bottom: 40px; }
.fact__value { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.fact__label { font-size: 15px; color: var(--text-muted); }

/* Karten */
.grid { display: grid; gap: 20px; }
.grid--260 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--250 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid--280 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.card h3 { font-size: 20px; }
.card p { font-size: 15.5px; line-height: 1.6; color: var(--text-muted); }
.card a { font-size: 15px; font-weight: 500; margin-top: auto; }
.card--topline { border: 0; border-top: 3px solid var(--accent); border-radius: 0 0 var(--radius) var(--radius); gap: 10px; }

/* CODESYS */
.codesys-head { display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; }
.codesys-head > div:first-child { flex: 999 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.chips { flex: 1 1 300px; min-width: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chip-green { padding: 8px 14px; border-radius: 999px; background: var(--accent-tint); color: var(--accent-darker); font-size: 14px; font-weight: 500; }
.cra { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; padding: 26px 30px; border-radius: var(--radius); background: var(--dark); color: var(--text-on-dark); margin-bottom: 44px; }
.cra__text { flex: 999 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.cra__text strong { font-size: 18px; }
.cra__text span { font-size: 15.5px; line-height: 1.55; color: var(--muted-on-dark); }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature { background: var(--surface); padding: 26px 28px; display: flex; flex-direction: column; gap: 8px; }
.feature strong { font-size: 17px; }
.feature span { font-size: 15px; line-height: 1.55; color: var(--text-muted); }
.feature--highlight { background: var(--accent-tint); }
.feature--highlight span { color: #33404D; }
.tag { padding: 2px 8px; border-radius: 6px; background: var(--accent-darker); color: #fff; font-family: var(--mono); font-size: 12px; }

/* Testautomatisierung */
.test-box { background: var(--dark); color: var(--text-on-dark); border-radius: 20px; padding: 64px; display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.test-box__text { flex: 999 1 460px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.test-box__text h2 { font-size: 38px; line-height: 1.15; }
.test-box__text p { font-size: 17px; line-height: 1.65; color: var(--muted-on-dark); }
.steps-dark { flex: 1 1 340px; min-width: 0; margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.steps-dark li { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; background: var(--dark-3); border-radius: 12px; font-size: 16px; line-height: 1.5; }
.steps-dark li span:first-child { font-family: var(--mono); color: var(--accent); font-size: 14px; padding-top: 2px; }

/* Technologien */
.tech { display: flex; flex-wrap: wrap; gap: 48px; }
.tech__intro { flex: 1 1 300px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.tech__intro h2 { font-size: 34px; line-height: 1.15; }
.tech__intro p { font-size: 16px; line-height: 1.6; color: var(--text-muted); }
.cert { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); font-size: 14px; font-weight: 500; }
.tech__groups { flex: 2 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 26px; }
.tech__group h3 { font-size: 14px; font-weight: 600; color: var(--text-muted); letter-spacing: 0; margin-bottom: 10px; }
.chiplist { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; font-family: var(--mono); font-size: 14px; }
.chiplist li { padding: 7px 12px; border-radius: 6px; background: var(--chip); }

/* Referenzen */
.ref { background: var(--surface); }
.ref__meta { font-family: var(--mono); font-size: 13px; color: var(--text-muted); }
.ref h3 { font-size: 21px; line-height: 1.3; }
.quote { margin: 44px 0 0; padding: 32px 36px; border-radius: var(--radius); background: var(--dark); color: var(--text-on-dark); display: flex; flex-direction: column; gap: 14px; }
.quote p { font-size: 22px; line-height: 1.5; font-weight: 500; }
.quote footer { font-size: 15px; color: var(--muted-on-dark); }

/* Über mich */
.about { display: flex; flex-wrap: wrap; gap: 64px; }
.about__text, .about__process { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.about__text h2 { font-size: 38px; line-height: 1.15; }
.about__text p { font-size: 17px; line-height: 1.7; color: var(--text-muted); }
.about__process { gap: 14px; }
.about__process h3 { font-size: 20px; margin-bottom: 6px; }
.process-step { display: flex; gap: 18px; padding: 20px 22px; background: var(--bg); border-radius: 12px; }
.process-step > span { font-family: var(--mono); font-size: 15px; color: var(--accent-dark); }
.process-step div { display: flex; flex-direction: column; gap: 4px; }
.process-step strong { font-size: 16px; }
.process-step div span { font-size: 15px; color: var(--text-muted); }

/* Kontakt */
.contact { display: flex; flex-wrap: wrap; gap: 56px; align-items: flex-start; }
.contact__info { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.contact__info h2 { font-size: 44px; line-height: 1.1; }
.contact__info > p { font-size: 18px; line-height: 1.6; color: var(--muted-on-dark); }
.contact__lines { display: flex; flex-direction: column; gap: 12px; font-size: 17px; font-style: normal; }
.contact__lines a { color: var(--text-on-dark); }
.contact__lines span { color: var(--muted-on-dark); }
.form { flex: 1 1 420px; min-width: 0; background: var(--dark-3); border-radius: 16px; padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.form__row { display: flex; flex-wrap: wrap; gap: 16px; }
.form__row label { flex: 1 1 160px; }
.form label.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted-on-dark); }
.form input[type=text], .form input[type=email], .form select, .form textarea { min-height: 44px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--dark-line-3); background: var(--dark); color: var(--text-on-dark); font: inherit; font-size: 15px; }
.form textarea { padding: 12px 14px; resize: vertical; }
.form .consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; line-height: 1.5; color: var(--muted-on-dark); }
.form .consent input { width: 18px; height: 18px; margin-top: 2px; flex: none; }
.form .consent a { color: var(--text-on-dark); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer { background: var(--footer); color: var(--faint-on-dark); font-size: 14px; }
.site-footer .container { padding-top: 40px; padding-bottom: 40px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.site-footer .brand__icon { width: 34px; height: 34px; }
.site-footer .brand__word { height: 17px; }
.site-footer nav { display: flex; gap: 24px; }
.site-footer a { color: var(--muted-on-dark); }

/* Rechtstexte (Impressum / Datenschutz / Danke) */
.legal { max-width: 820px; margin: 0 auto; padding: 80px 32px 112px; }
.legal h1 { font-size: 44px; margin-bottom: 32px; }
.legal h2 { font-size: 24px; margin: 40px 0 12px; }
.legal h3 { font-size: 18px; margin: 28px 0 8px; letter-spacing: 0; }
.legal p, .legal li { font-size: 16px; line-height: 1.7; color: var(--text-muted); }
.legal p + p { margin-top: 12px; }
.legal .todo { background: #FFF6DB; border: 1px solid #F0D58A; color: #5C4600; padding: 14px 18px; border-radius: 10px; }

/* Mobil */
@media (max-width: 760px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .section { padding: 72px 0; }
  .hero { padding: 56px 0 72px; gap: 40px; }
  .hero h1 { font-size: 40px; }
  .hero__lead { font-size: 18px; }
  .h2, .contact__info h2 { font-size: 32px; }
  .test-box { padding: 36px 24px; }
  .test-box__text h2, .about__text h2 { font-size: 30px; }
  .nav { gap: 14px 20px; }
  .legal h1 { font-size: 34px; }
}

/* Feinschliff */
.feature .tag { color: #FFFFFF; font-size: 12px; line-height: 1.5; }
.card p, .feature span { hyphens: auto; -webkit-hyphens: auto; }
.card, .feature { overflow-wrap: break-word; }

/* Sprachumschaltung */
.lang-switch { display: inline-flex; align-items: center; gap: 2px; font-family: var(--mono); font-size: 13px; border: 1px solid var(--dark-line-2); border-radius: 8px; padding: 3px; }
.lang-switch > * { display: inline-flex; align-items: center; min-height: 32px; padding: 0 10px; border-radius: 6px; }
.lang-switch [aria-current] { background: var(--dark-line); color: var(--text-on-dark); }
.nav .lang-switch a { color: var(--faint-on-dark); }
.nav .lang-switch a:hover { color: var(--text-on-dark); }