:root {
  --bg: #f4f5f7;
  --bg-dark: #1b1f26;
  --text: #15171a;
  --muted: #5a6572;
  --accent: #3c6e91;
  --accent-light: #e5eef4;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e3e6ea;
  z-index: 10;
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-copy {
  display: grid;
  gap: 4px;
  align-items: start;
  text-align: left;
}

.brand-logo {
  height: 112px;
  display: block;
  align-self: center;
  transform: translateY(6px);
}

.brand-text {
  font-size: 50px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  line-height: 1;
  display: block;
  align-self: center;
}

.brand-tagline {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
}

.nav a:hover {
  color: var(--text);
}

.nav .btn {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 0;
  font-weight: 500;
  font-size: 16px;
}

.nav .btn:hover {
  color: var(--text);
}

.hero {
  padding: 90px 0 70px;
  background: linear-gradient(140deg, #ffffff 0%, #e9eef3 100%);
}

.hero-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  margin-bottom: 18px;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 24px;
}

.contact-form {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 500;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #d6dbe1;
  font-family: inherit;
  font-size: 15px;
  background: #fff;
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 500px;
  padding: 40px 0;
}

.login-box {
  background: var(--white);
  border-radius: 24px;
  padding: 48px;
  box-shadow: 0 16px 30px rgba(21, 23, 26, 0.08);
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.login-box > p {
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 15px;
}

.login-form {
  display: grid;
  gap: 18px;
}

.login-form label {
  display: grid;
  gap: 8px;
  font-weight: 500;
  color: var(--text);
}

.login-form input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #d6dbe1;
  font-family: inherit;
  font-size: 15px;
  background: #fff;
}

.login-footer {
  text-align: center;
  margin-top: 16px;
}

.login-footer a {
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
}

.login-footer a:hover {
  text-decoration: underline;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--white);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-small {
  padding: 8px 18px;
  font-size: 13px;
}

.hero-facts {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.fact-number {
  display: block;
  font-size: 20px;
  font-weight: 700;
}

.fact-label {
  color: var(--muted);
  font-size: 13px;
}

.hero-card {
  background: var(--white);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 40px rgba(21, 23, 26, 0.08);
}

.hero-card h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.checklist {
  margin-top: 18px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.checklist li::before {
  content: "✓";
  color: var(--accent);
  margin-right: 8px;
}

.section {
  padding: 70px 0;
}

#vorteile {
  position: relative;
  overflow: hidden;
}

#vorteile::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1100px;
  height: 1100px;
  background-image: url('Logos/LOGO_LEONIK25-grau.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

#vorteile > .container {
  position: relative;
  z-index: 1;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 30px;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--white);
}

.section-dark .muted,
.section-dark p {
  color: #cfd6df;
}

.section-light {
  background: var(--white);
}

.cards-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  background: var(--white);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 16px 30px rgba(21, 23, 26, 0.06);
}

.card-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  opacity: 0.7;
}

.section-dark .card {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.steps {
  display: grid;
  gap: 24px;
}

.step {
  display: grid;
  gap: 18px;
  grid-template-columns: 50px 1fr;
  align-items: start;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.15);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 18px;
}

.split {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
}

.highlight {
  background: var(--accent-light);
  padding: 26px;
  border-radius: 20px;
}

.highlight ul {
  margin-top: 16px;
  padding-left: 18px;
}

.benefits-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.benefit {
  background: #f1f3f6;
  padding: 22px;
  border-radius: 18px;
}

.benefit-icon {
  width: 26px;
  height: 26px;
  margin-bottom: 12px;
  opacity: 0.7;
}

.software-visual {
  background: var(--white);
  border-radius: 22px;
  padding: 16px;
  box-shadow: 0 18px 36px rgba(21, 23, 26, 0.08);
  overflow: hidden;
  margin-left: 0;
  width: min(50vw, 520px);
  justify-self: start;
}

.software-visual img {
  width: 100%;
  height: 100%;
  border-radius: 16px;
  object-fit: cover;
  object-position: left center;
}

.inline-benefits {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  font-weight: 500;
  color: var(--muted);
}

.inline-benefits span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline-benefits img {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.mission {
  background: var(--accent);
  color: var(--white);
  padding: 28px;
  border-radius: 22px;
}

.mission .btn {
  background: var(--white);
  color: var(--accent);
  margin-top: 16px;
}

.contact {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
}

.contact-details {
  display: grid;
  gap: 14px;
}

.contact-details span {
  font-size: 13px;
  color: #cfd6df;
  display: block;
}

.contact-details a {
  font-size: 18px;
  font-weight: 600;
}

.footer {
  padding: 30px 0;
  background: #f0f2f4;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 760px) {
  .header-grid {
    flex-direction: column;
    gap: 10px;
  }

  .brand-logo {
    height: 72px;
  }

  .brand-text {
    font-size: 34px;
  }

  .brand-tagline {
    font-size: 10px;
  }

  .nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
  }

  .footer-grid {
    flex-direction: column;
    text-align: center;
  }
}