:root {
  --bg: #03060b;
  --bg2: #07101c;
  --panel: rgba(8, 18, 31, 0.72);
  --line: rgba(55, 181, 255, 0.18);
  --cyan: #20d7ff;
  --blue: #1478ff;
  --text: #eef7ff;
  --muted: #9aafc3;
  --max: 1180px;
}


/* ================================
   RESET
================================ */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}


/* ================================
   ANCHOR SCROLL OFFSET
================================ */

section[id] {
  scroll-margin-top: 95px;
}


/* ================================
   BODY
================================ */

body {
  margin: 0;

  background:
    radial-gradient(
      circle at 75% 8%,
      rgba(0, 153, 255, 0.13),
      transparent 32rem
    ),
    radial-gradient(
      circle at 15% 55%,
      rgba(0, 83, 255, 0.08),
      transparent 28rem
    ),
    var(--bg);

  color: var(--text);

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  line-height: 1.65;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}


/* ================================
   LAYOUT
================================ */

.container {
  width: min(
    var(--max),
    calc(100% - 40px)
  );

  margin: 0 auto;
}


/* ================================
   HEADER
================================ */

header {
  position: sticky;
  top: 0;
  z-index: 20;

  backdrop-filter: blur(18px);

  background: rgba(3, 6, 11, 0.78);

  border-bottom: 1px solid var(--line);
}

.nav {
  height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;
}


/* Brand */

.brand {
  display: flex;
  align-items: center;

  gap: 12px;

  color: #ffffff;

  font-weight: 700;

  letter-spacing: 0.08em;

  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}


/* Brand Icon */

.brand-mark {
  width: 38px;
  height: 38px;

  border: 1px solid rgba(32, 215, 255, 0.45);

  border-radius: 10px;

  display: grid;
  place-items: center;

  box-shadow:
    0 0 25px rgba(32, 215, 255, 0.12);
}

.brand-mark::before {
  content: "N";

  font-size: 18px;

  color: var(--cyan);
}


/* Navigation */

.navlinks {
  display: flex;

  gap: 24px;

  flex-wrap: wrap;
}

.navlinks a {
  color: #c8d8e8;

  font-size: 14px;

  transition:
    color 0.2s ease;
}

.navlinks a:hover {
  color: #ffffff;

  text-decoration: none;
}


/* ================================
   SECTIONS
================================ */

section {
  padding: 42px 0;
}


/* ================================
   HERO
================================ */

.hero {
  min-height: 600px;

  display: grid;
  place-items: center;

  position: relative;

  overflow: hidden;
}


/* Grid background */

.hero::before {
  content: "";

  position: absolute;

  inset: 0;

  background-image:
    linear-gradient(
      rgba(32, 215, 255, 0.035) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(32, 215, 255, 0.035) 1px,
      transparent 1px
    );

  background-size: 64px 64px;

  mask-image:
    linear-gradient(
      to bottom,
      black,
      transparent 85%
    );
}


/* Hero content */

.hero-grid {
  display: grid;

  grid-template-columns:
    1.05fr
    0.95fr;

  gap: 50px;

  align-items: center;

  position: relative;
}


/* Eyebrow */

.eyebrow {
  color: var(--cyan);

  text-transform: uppercase;

  letter-spacing: 0.22em;

  font-size: 12px;

  font-weight: 800;
}


/* Hero headline */

h1 {
  font-size:
    clamp(
      44px,
      6vw,
      78px
    );

  line-height: 1.02;

  margin: 18px 0;
}

h1 span {
  color: var(--cyan);

  text-shadow:
    0 0 28px rgba(32, 215, 255, 0.25);
}


/* Lead */

.lead {
  font-size: 19px;

  color: #b8cadc;

  max-width: 650px;
}


/* Hero buttons */

.actions {
  display: flex;

  gap: 14px;

  flex-wrap: wrap;

  margin-top: 30px;
}


/* ================================
   BUTTONS
================================ */

.btn {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  padding: 13px 20px;

  border-radius: 10px;

  border: 1px solid var(--line);

  font-weight: 700;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  text-decoration: none;

  transform: translateY(-1px);
}


/* Primary */

.btn-primary {
  background:
    linear-gradient(
      135deg,
      #12c9f7,
      #126dff
    );

  color: #ffffff;

  border: 0;

  box-shadow:
    0 12px 35px
    rgba(20, 120, 255, 0.2);
}

.btn-primary:hover {
  box-shadow:
    0 14px 40px
    rgba(20, 120, 255, 0.32);
}


/* Secondary */

.btn-secondary {
  background:
    rgba(255, 255, 255, 0.025);

  color: #dcecff;
}


/* ================================
   HERO LOGO
================================ */

.hero-logo {
  width: 100%;

  max-width: 560px;

  border-radius: 28px;

  filter:
    drop-shadow(
      0 0 38px
      rgba(0, 170, 255, 0.16)
    );
}


/* ================================
   SECTION HEADINGS
================================ */

.section-head {
  max-width: 720px;

  margin-bottom: 26px;
}

.section-head h2 {
  font-size:
    clamp(
      30px,
      4vw,
      46px
    );

  margin: 12px 0;
}

.section-head p {
  color: var(--muted);
}


/* ================================
   LEISTUNGEN
================================ */

#leistungen {
  padding-top: 20px;
}


/* ================================
   CARDS
================================ */

.grid {
  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 18px;
}


/* Cards + Panels */

.card,
.panel {
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.card:hover,
.panel:hover {
  transform: translateY(-2px);

  border-color:
    rgba(32, 215, 255, 0.35);
}


.card {
  background:
    linear-gradient(
      180deg,
      rgba(10, 25, 42, 0.8),
      rgba(6, 13, 23, 0.72)
    );

  border:
    1px solid var(--line);

  border-radius: 18px;

  padding: 28px;

  box-shadow:
    inset 0 1px 0
    rgba(255, 255, 255, 0.025);
}

.card h3 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
}


/* Card category */

.icon {
  color: var(--cyan);

  font-size: 13px;

  letter-spacing: 0.18em;

  text-transform: uppercase;

  font-weight: 800;
}


/* ================================
   TECHNOLOGIEN
================================ */

#technologien {
  padding-top: 42px;
}


/* Panels */

.split {
  display: grid;

  grid-template-columns:
    1fr
    1fr;

  gap: 24px;

  align-items: stretch;
}


.panel {
  padding: 34px;

  border-radius: 20px;

  border: 1px solid var(--line);

  background: var(--panel);

  box-shadow:
    inset 0 1px 0
    rgba(255, 255, 255, 0.02);
}

.panel h2 {
  margin-top: 12px;
}

.panel p {
  color: #b8cadc;
}


/* ================================
   TECHNOLOGY TAGS
================================ */

.tech {
  display: flex;

  flex-wrap: wrap;

  gap: 10px;

  margin-top: 22px;
}

.tech span {
  padding: 9px 13px;

  border:
    1px solid var(--line);

  border-radius: 999px;

  color: #c8d8e8;

  background:
    rgba(255, 255, 255, 0.025);
}


/* ================================
   ANSPRUCH
================================ */

#anspruch {
  padding-top: 25px;
}


/* ================================
   LISTS
================================ */

.panel ul {
  padding-left: 20px;

  color: var(--muted);
}

.panel li {
  margin-bottom: 8px;
}


/* ================================
   KONTAKT
================================ */

#kontakt {
  padding-top: 38px;
}


.contact {
  display: grid;

  grid-template-columns:
    1fr
    auto;

  gap: 30px;

  align-items: center;
}


/* ================================
   FOOTER
================================ */

footer {
  border-top:
    1px solid var(--line);

  padding: 35px 0;

  color: #8195a8;
}

.footerlinks {
  display: flex;

  gap: 20px;

  flex-wrap: wrap;
}


/* ================================
   LEGAL PAGES
================================ */

.legal {
  padding: 70px 0;
}

.legal article {
  max-width: 900px;
}

.legal h1 {
  font-size:
    clamp(
      38px,
      5vw,
      58px
    );
}

.legal h2 {
  margin-top: 40px;

  font-size: 27px;
}

.legal h3 {
  margin-top: 28px;
}

.legal p,
.legal li {
  color: #b6c7d7;
}


/* Legal notice */

.notice {
  padding: 16px 18px;

  border-left:
    3px solid var(--cyan);

  background:
    rgba(32, 215, 255, 0.05);

  border-radius: 8px;

  color: #c8d8e8;
}


/* Small text */

.small {
  font-size: 13px;

  color: #7f95a8;
}


/* ================================
   MOBILE
================================ */

@media (max-width: 850px) {

  .container {
    width:
      min(
        var(--max),
        calc(100% - 30px)
      );
  }


  /* Header */

  .navlinks {
    display: none;
  }


  /* Hero */

  .hero {
    min-height: auto;

    padding:
      65px 0 45px;
  }


  .hero-grid {
    grid-template-columns: 1fr;

    gap: 35px;
  }


  .hero-logo {
    max-width: 520px;

    margin: 0 auto;
  }


  /* Sections */

  section {
    padding: 42px 0;
  }


  #leistungen {
    padding-top: 20px;
  }


  #technologien {
    padding-top: 35px;
  }


  #anspruch {
    padding-top: 25px;
  }


  #kontakt {
    padding-top: 35px;
  }


  /* Grids */

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


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


  /* Contact */

  .contact {
    grid-template-columns: 1fr;

    gap: 22px;
  }


  /* Headings */

  .section-head {
    margin-bottom: 24px;
  }


  h1 {
    font-size:
      clamp(
        42px,
        12vw,
        62px
      );
  }


  .lead {
    font-size: 17px;
  }


  /* Legal */

  .legal {
    padding: 55px 0;
  }

}