/* kairo digital — Design-Entwurf. Hell, ruhig, technisch. */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --ink: #101a23;
  --ink-soft: #5a6b78;
  --line: #e3e9ee;
  --line-strong: #cdd7de;
  --accent: #0f6d8c;
  --accent-deep: #0b5470;
  --accent-tint: #eaf3f7;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1120px;
  --gutter: 24px;
  --radius: 4px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.022em; line-height: 1.15; }
p { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-deep); }

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

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 12px 18px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-size: 15px; font-weight: 500; line-height: 1;
  padding: 14px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { color: var(--ink); border-color: var(--line-strong); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner { display: flex; align-items: center; gap: 32px; min-height: 96px; }

.brand { display: flex; align-items: center; flex: 0 0 auto; }

/* SVG, auf den Inhalt zugeschnitten und fuer hellen Grund eingefaerbt.
   Seitenverhaeltnis 8.68:1 -> 38px Hoehe ergibt rund 330px Breite. */
.brand img { height: 38px; width: auto; }

.nav { display: flex; gap: 26px; margin-inline: auto; }
.nav a {
  color: var(--ink-soft); text-decoration: none; font-size: 15px;
  padding-block: 6px; border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 20px; flex: 0 0 auto; }

.lang {
  display: flex; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--line-strong);
}
.lang a { color: var(--ink-soft); text-decoration: none; }
.lang a[aria-current="page"] { color: var(--ink); }

.header-actions .btn { padding: 11px 18px; font-size: 14px; }

/* ---------- Hero ---------- */

.hero {
  position: relative; overflow: hidden;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  background-position: 0 0, 0 0;
  animation: grid-drift 60s linear infinite;
}

@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 72px 72px, 72px 72px; }
}

.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,.92) 55%, #fff 100%);
}

/* Bewegte Ebene: atmender Lichtschein + wandernde Datenlinien */

.hero-fx {
  position: absolute; inset: 0; z-index: 2;
  overflow: hidden; pointer-events: none;
}

.hero-fx::before {
  content: "";
  position: absolute; top: -34%; right: -8%;
  width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(15,109,140,.11) 0%, rgba(15,109,140,0) 62%);
  animation: glow-breathe 15s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%, 100% { transform: scale(1);    opacity: .7; }
  50%      { transform: scale(1.15); opacity: 1; }
}

.beam {
  position: absolute; left: 0; height: 1px; width: 34%;
  background: linear-gradient(90deg, rgba(15,109,140,0), rgba(15,109,140,.8), rgba(15,109,140,0));
  transform: translateX(-140%);
  animation: beam-run 9s linear infinite;
}
.beam-1 { top: 27%; animation-duration: 8s;  animation-delay: .6s; }
.beam-2 { top: 53%; width: 26%; opacity: .7; animation-duration: 12s; animation-delay: 3.2s; }
.beam-3 { top: 76%; width: 42%; opacity: .5; animation-duration: 15s; animation-delay: 6.4s; }

@keyframes beam-run {
  from { transform: translateX(-140%); }
  to   { transform: translateX(520%); }
}

.hero-inner { position: relative; z-index: 3; padding-block: 118px 96px; max-width: 940px; }

.hero-inner > * { animation: rise-in .9s cubic-bezier(.2,.7,.3,1) both; }
.hero-inner > .eyebrow      { animation-delay: .05s; }
.hero-inner > h1            { animation-delay: .16s; }
.hero-inner > .lead         { animation-delay: .3s; }
.hero-inner > .hero-actions { animation-delay: .44s; }

@keyframes rise-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.hero h1 {
  margin-top: 20px;
  font-size: clamp(2.3rem, 4.8vw, 3.7rem);
  letter-spacing: -0.035em;
  line-height: 1.07;
  max-width: 20ch;
}

.lead {
  margin-top: 26px; max-width: 64ch;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--ink-soft);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }

/* ---------- Auf einen Blick ---------- */

.glance {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
  padding-block: 72px;
}

.glance-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.glance-lead { margin-top: 16px; color: var(--ink-soft); max-width: 52ch; }

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px; margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.fact { background: var(--bg); padding: 20px 22px; }
.fact dt {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
}
.fact dd { margin: 6px 0 0; font-size: 16px; font-weight: 500; }

/* ---------- Sections ---------- */

.section { padding-block: 104px; }
.section-alt { background: var(--bg-soft); border-block: 1px solid var(--line); }

.section-head { max-width: 720px; }
.section-head h2 { margin-top: 18px; font-size: clamp(1.75rem, 3.2vw, 2.4rem); }
.section-intro { margin-top: 18px; color: var(--ink-soft); }

/* ---------- Unternehmen ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-main h2 { margin-top: 18px; font-size: clamp(1.75rem, 3.2vw, 2.4rem); max-width: 18ch; }
.about-main p { margin-top: 22px; color: var(--ink-soft); max-width: 58ch; }

.principles { border-left: 1px solid var(--line); padding-left: 34px; padding-top: 6px; }
.principles h3 { font-size: 1.05rem; }
.principles p { margin-top: 14px; color: var(--ink-soft); font-size: 16px; }

.tags { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em;
  color: var(--accent-deep); background: var(--accent-tint);
  border: 1px solid #d6e6ed; border-radius: 2px; padding: 6px 10px;
}

/* ---------- Karten ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px; margin-top: 64px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card { background: var(--bg); padding: 40px 34px 44px; }

.card-cat {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
}

.card h3 { margin-top: 16px; font-size: 1.22rem; }
.card p { margin-top: 14px; color: var(--ink-soft); font-size: 16px; }

/* ---------- Projekt ---------- */

.project {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  margin-top: 56px;
  border-top: 1px solid var(--line);
  padding-top: 44px;
}

.project-meta h3 { margin-top: 14px; font-size: 1.5rem; }
.project-body p { color: var(--ink-soft); }
.project-body p + p { margin-top: 18px; }

.link-arrow {
  display: inline-block; margin-top: 26px;
  font-weight: 500; font-size: 16px; text-decoration: none;
  border-bottom: 1px solid var(--line-strong); padding-bottom: 2px;
}
.link-arrow:hover { border-bottom-color: var(--accent); }

/* ---------- CTA ---------- */

.cta { border-top: 1px solid var(--line); }
.cta-inner { padding-block: 92px; text-align: center; }
.cta h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.cta p { margin-top: 14px; color: var(--ink-soft); }
.cta .btn { margin-top: 14px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding-block: 64px 28px;
}

.footer-inner {
  display: flex; flex-wrap: wrap; gap: 40px;
  justify-content: space-between; padding-bottom: 44px;
}

.wordmark { font-weight: 600; letter-spacing: -0.015em; }
.wordmark a { color: var(--ink); text-decoration: none; }
.wordmark a:hover { color: var(--accent-deep); }

.footer-address { margin-top: 12px; color: var(--ink-soft); font-size: 15px; }
.footer-address a { color: var(--accent-deep); }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, auto));
  gap: 10px 48px;
}
.footer-nav a { color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.footer-nav a:hover { color: var(--ink); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 13px; color: var(--ink-soft);
}


/* ---------- Seitenkopf Unterseiten ---------- */

.page-hero {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding-block: 88px 78px;
}
.page-hero h1 {
  margin-top: 18px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.032em;
  max-width: 20ch;
}
.page-hero .lead { margin-top: 22px; }

/* ---------- Fließtext ---------- */

.prose { max-width: 68ch; }
.prose > h2 { margin-top: 54px; font-size: 1.35rem; }
.prose > h3 { margin-top: 34px; font-size: 1.06rem; }
.prose > h2:first-child, .prose > h3:first-child { margin-top: 0; }
.prose p { margin-top: 16px; color: var(--ink-soft); }
.prose ul { margin: 16px 0 0; padding-left: 20px; color: var(--ink-soft); }
.prose li { margin-top: 8px; }
.prose strong { color: var(--ink); font-weight: 600; }

.note {
  margin-top: 30px; padding: 18px 20px;
  background: var(--accent-tint);
  border: 1px solid #d6e6ed;
  border-radius: var(--radius);
  font-size: 15px; color: var(--accent-deep);
}

/* ---------- Leistungs-Detail ---------- */

.service-block {
  display: grid; grid-template-columns: 300px 1fr; gap: 56px;
  border-top: 1px solid var(--line);
  padding-top: 44px; margin-top: 56px;
}
.service-block:first-of-type { margin-top: 64px; }
.service-block h2 { margin-top: 14px; font-size: 1.5rem; }
.service-body p { color: var(--ink-soft); }
.service-body p + p { margin-top: 18px; }
.service-body ul { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 11px; }
.service-body li { position: relative; padding-left: 24px; color: var(--ink-soft); font-size: 16px; }
.service-body li::before {
  content: ""; position: absolute; left: 0; top: .68em;
  width: 9px; height: 1px; background: var(--accent);
}

/* ---------- Karriere ---------- */

.jobs { margin-top: 56px; border-top: 1px solid var(--line); }

/* Jede Stelle ist ein Schalter, der den Dialog oeffnet. */
.job {
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
  width: 100%; text-align: left;
  margin: 0; padding: 30px 6px;
  border: 0; border-bottom: 1px solid var(--line);
  background: transparent; color: inherit; font: inherit;
  cursor: pointer;
  transition: background-color .15s ease;
}
.job:hover { background: rgba(15,109,140,.05); }

.job-title {
  display: block; font-size: 1.15rem; font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.2;
}
.job-meta {
  display: block; margin-top: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft);
}
.job-desc { display: block; margin-top: 12px; color: var(--ink-soft); font-size: 16px; max-width: 58ch; }
.job-cue { font-size: 14px; font-weight: 500; color: var(--accent-deep); white-space: nowrap; }

/* ---------- Dialog (Stellenbeschreibung) ---------- */

.modal {
  width: min(660px, calc(100vw - 32px));
  max-height: 86vh;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(16,26,35,.18);
}
.modal::backdrop { background: rgba(16,26,35,.45); }

.modal-inner { position: relative; padding: 44px 44px 48px; }

.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 4px;
  background: var(--bg); color: var(--ink-soft);
  font-size: 20px; line-height: 1; cursor: pointer;
}
.modal-close:hover { color: var(--ink); border-color: var(--line-strong); }

.modal h2 { margin-top: 14px; font-size: 1.6rem; }
.modal h3 { margin-top: 32px; font-size: 1rem; }
.modal p { margin-top: 14px; color: var(--ink-soft); }
.modal ul { margin: 14px 0 0; padding-left: 20px; color: var(--ink-soft); }
.modal li { margin-top: 8px; }
.modal-actions { margin-top: 34px; }

body:has(dialog[open]) { overflow: hidden; }

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

.contact-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; align-items: start; }

.contact-side { border-left: 1px solid var(--line); padding-left: 34px; }
.contact-side h2 { font-size: 1.05rem; }
.contact-side dl { margin: 8px 0 0; }
.contact-side dt {
  margin-top: 22px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
}
.contact-side dd { margin: 6px 0 0; font-size: 16px; }

.form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 500; }
.field .req { color: var(--accent); }
.field input, .field textarea {
  font: inherit; font-size: 16px; color: var(--ink); width: 100%;
  background: var(--bg); border: 1px solid var(--line-strong);
  border-radius: var(--radius); padding: 12px 14px;
}
.field textarea { min-height: 170px; resize: vertical; }
.field input:focus, .field textarea:focus {
  border-color: var(--accent); outline: none;
  box-shadow: 0 0 0 3px rgba(15,109,140,.12);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--ink-soft); }
.consent input { flex: 0 0 auto; width: 16px; height: 16px; margin-top: 5px; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-error {
  padding: 14px 18px; border: 1px solid #e0b4b4;
  background: #fdf2f2; color: #8a2b2b;
  border-radius: var(--radius); font-size: 15px;
}

/* ---------- Schnellzugriff (404) ---------- */

.quicklinks {
  list-style: none; margin: 32px 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.quicklinks a {
  display: inline-block; font-size: 15px; text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 10px 16px;
  transition: border-color .15s ease, color .15s ease;
}
.quicklinks a:hover { border-color: var(--accent); color: var(--accent-deep); }

.code-404 {
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 9vw, 6rem);
  font-weight: 600; letter-spacing: -0.04em; line-height: 1;
  color: var(--accent-tint);
  -webkit-text-stroke: 1px var(--line-strong);
}

/* ---------- Responsive Zusatz ---------- */

@media (max-width: 980px) {
  .service-block { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .contact-side { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 32px; }
  .job { grid-template-columns: 1fr; align-items: start; }
  .modal-inner { padding: 40px 26px 44px; }
}

@media (max-width: 640px) {
  .page-hero { padding-block: 60px 56px; }
  .field-row { grid-template-columns: 1fr; }
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  /* Navigation rutscht in eine zweite Zeile unter Logo und Aktionen,
     statt zu verschwinden. Kein Hamburger noetig bei vier Punkten. */
  .header-inner {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 14px 16px;
    min-height: 0;
    padding-block: 16px 0;
  }
  .nav {
    order: 3;
    width: 100%;
    margin-inline: 0;
    flex-wrap: wrap;
    gap: 4px 22px;
    border-top: 1px solid var(--line);
    padding-top: 10px;
  }
  .nav a { font-size: 14px; padding-block: 8px; }
  .glance-inner { grid-template-columns: 1fr; gap: 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-main h2 { max-width: none; }
  .principles { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 32px; }
  .project { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .header-actions .btn { display: none; }
  .brand img { height: 28px; }
  .nav { gap: 4px 18px; }
  .hero-inner { padding-block: 76px 64px; }
  .hero h1 { max-width: none; }
  .section { padding-block: 76px; }
  .glance { padding-block: 56px; }
  .facts { grid-template-columns: 1fr; }
  .cards { margin-top: 40px; }
  .card { padding: 32px 26px 36px; }
  .cta-inner { padding-block: 68px; }
  .footer-nav { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition-duration: .01ms !important;
  }
  .hero-inner > * { opacity: 1; transform: none; }
}