/* ============================================================
   ANKA Netzbau GmbH – Farbwelt abgeleitet aus dem Logo
   ============================================================ */
:root {
  --navy: #14315f;        /* Logo-Dunkelblau (Wortmarke) */
  --navy-dark: #0b2144;   /* abgedunkelt für Hero/Footer */
  --blue: #1e6fb8;        /* Logo-Swoosh Blau */
  --sky: #38a8e0;         /* Faser-Lichtpunkte */
  --orange: #f5931f;      /* Logo-Swoosh Orange */
  --orange-dark: #d97a0a;
  --ink: #1c2534;
  --muted: #5b677a;
  --line: #e3e9f2;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(20, 49, 95, 0.10);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
  width: min(1160px, 100% - 3rem);
  margin-inline: auto;
}

/* ============ Header ============ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(20, 49, 95, 0.08);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.header__logo { height: 56px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav__link {
  font-size: .95rem;
  font-weight: 600;
  color: var(--navy);
  position: relative;
  padding: .25rem 0;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width .25s;
}
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }
.nav__link--cta {
  background: var(--orange);
  color: #fff;
  padding: .55rem 1.25rem;
  border-radius: 999px;
  transition: background .25s, transform .2s;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: var(--orange-dark); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .5rem;
}
.nav-toggle span {
  width: 24px; height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 1rem;
  padding: .85rem 1.9rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s, background .25s, border-color .25s, color .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--orange);
  color: #fff;
}
.btn--primary:hover { background: var(--orange-dark); }
.btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}
.btn--ghost:hover { border-color: var(--sky); color: var(--sky); }
.btn--full { width: 100%; }

/* ============ Hero ============ */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, var(--navy-dark) 0%, var(--navy) 55%, #17427e 100%);
  color: #fff;
  padding: 170px 0 110px;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .35;
  pointer-events: none;
}
.hero__glow--blue {
  width: 520px; height: 520px;
  background: var(--sky);
  top: -180px; right: -120px;
}
.hero__glow--orange {
  width: 420px; height: 420px;
  background: var(--orange);
  bottom: -220px; left: -140px;
  opacity: .22;
}
.hero__fibers {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.fiber {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 12 240;
  animation: fiberflow 7s linear infinite;
}
.fiber--1 { stroke: var(--sky); animation-delay: 0s; }
.fiber--2 { stroke: var(--orange); animation-delay: 2.2s; }
.fiber--3 { stroke: #6fc6ee; animation-delay: 4.4s; }
@keyframes fiberflow {
  from { stroke-dashoffset: 1800; }
  to   { stroke-dashoffset: 0; }
}

.hero__inner { position: relative; max-width: 820px; }
.hero__eyebrow {
  display: inline-block;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sky);
  background: rgba(56, 168, 224, 0.12);
  border: 1px solid rgba(56, 168, 224, 0.35);
  padding: .4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.accent {
  background: linear-gradient(90deg, var(--orange), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__text {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
  margin-bottom: 2.25rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3.5rem; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 2rem;
}
.stat__num, .stat__suffix {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
}
.stat__suffix { color: var(--orange); }
.stat__label {
  display: block;
  font-size: .9rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: .25rem;
}

/* ============ Sections ============ */
.section { padding: 110px 0; }
.section--dark {
  background: linear-gradient(140deg, var(--navy-dark), var(--navy));
  color: #fff;
}
.section--tint { background: var(--bg-soft); }

.section__head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}
.section__eyebrow {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: .75rem;
}
.section__eyebrow--light { color: var(--sky); }
.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section__title--light { color: #fff; }
.section__sub { color: var(--muted); font-size: 1.08rem; }
.section__sub--left { text-align: left; margin-bottom: 2rem; }

/* ============ Leistungen Cards ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.25rem 1.9rem;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.card--featured {
  border-top: 4px solid var(--orange);
}
.card__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--navy), var(--blue));
  color: #fff;
  margin-bottom: 1.5rem;
}
.card__icon svg { width: 28px; height: 28px; }
.card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .75rem;
}
.card__text { color: var(--muted); font-size: .98rem; margin-bottom: 1.25rem; }
.card__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .93rem;
  color: var(--ink);
  margin-bottom: .5rem;
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .48em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

/* ============ Über uns ============ */
.about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about__text {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
  margin-bottom: 2rem;
}
.about__points li {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin-bottom: 1rem;
  font-weight: 500;
}
.check {
  flex: 0 0 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--orange);
  position: relative;
}
.check::after {
  content: "";
  position: absolute;
  left: 7px; top: 4px;
  width: 5px; height: 9px;
  border: solid #fff;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}
.about__visual {
  display: grid;
  gap: 1.5rem;
}
.about__card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(6px);
}
.about__card--orange { border-left: 4px solid var(--orange); }
.about__card-num {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--sky);
}
.about__card--orange .about__card-num { color: var(--orange); }
.about__card-label { color: rgba(255, 255, 255, 0.75); }

/* ============ Ablauf ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  counter-reset: step;
}
.step {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  position: relative;
  overflow: hidden;
  transition: transform .3s;
}
.step:hover { transform: translateY(-4px); }
.step__num {
  display: block;
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(140deg, var(--blue), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}
.step__title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .5rem;
}
.step__text { font-size: .92rem; color: var(--muted); }

/* ============ Partner ============ */
.partners {
  padding: 3.5rem 0;
  border-block: 1px solid var(--line);
  text-align: center;
}
.partners__label {
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.partners__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .9rem 1.1rem;
}
.partners__item {
  font-weight: 700;
  color: var(--navy);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: .55rem 1.3rem;
  border-radius: 999px;
  font-size: .95rem;
}

/* ============ Karriere ============ */
.karriere {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.karriere .section__eyebrow { margin-bottom: .75rem; }
.karriere .section__title { margin-bottom: 1rem; }
.karriere__jobs { display: grid; gap: 1rem; }
.job {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.5rem;
  transition: transform .25s, box-shadow .25s;
}
.job:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.job__title { font-weight: 600; color: var(--navy); }
.job__tag {
  flex-shrink: 0;
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue);
  background: rgba(30, 111, 184, 0.1);
  padding: .3rem .8rem;
  border-radius: 999px;
}

/* ============ Kontakt ============ */
.contact--center {
  display: grid;
  gap: 3rem;
  justify-items: center;
  text-align: center;
}
.contact--center .contact__info { max-width: 680px; }
.contact--center .about__text { margin-bottom: 0; }
.contact__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
}
.contact__card {
  display: grid;
  gap: .5rem;
  align-content: start;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 1.9rem 1.5rem;
  backdrop-filter: blur(6px);
  transition: transform .25s, border-color .25s;
}
.contact__card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 168, 224, 0.5);
}
.contact__label {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sky);
}
.contact__card a { font-weight: 600; }
.contact__card a:hover { color: var(--orange); }

/* ============ Footer ============ */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.75);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 4.5rem 0 3rem;
}
.footer__logo {
  height: 64px;
  width: auto;
  border-radius: 10px;
  margin-bottom: 1.25rem;
  background: #fff;
  padding: 6px;
}
.footer__brand p { font-size: .95rem; max-width: 300px; }
.footer__col h4 {
  color: #fff;
  font-size: .95rem;
  margin-bottom: 1.1rem;
}
.footer__col a {
  display: block;
  font-size: .92rem;
  margin-bottom: .65rem;
  transition: color .2s;
}
.footer__col a:hover { color: var(--orange); }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.4rem 0;
  font-size: .88rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .cards, .steps { grid-template-columns: repeat(2, 1fr); }
  .about, .karriere { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact__cards { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    top: 76px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(20, 49, 95, 0.12);
    padding: .5rem 1.5rem 1.25rem;
    transform: translateY(-130%);
    transition: transform .35s ease;
  }
  .nav.is-open { transform: translateY(0); }
  .nav__link { padding: .8rem 0; width: 100%; }
  .nav__link--cta {
    text-align: center;
    margin-top: .5rem;
    padding: .8rem 1.25rem;
  }
  .nav-toggle { display: flex; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .hero { padding: 140px 0 80px; }
  .section { padding: 80px 0; }
  .cards, .steps { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .hero__stats { gap: 1.75rem 2.5rem; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
}
