:root {
  --bg: #f5f7f3;
  --surface: #ffffff;
  --text: #10211b;
  --muted: #4d675d;
  --line: #d8e4de;
  --brand: #fdcb38;
  --brand-dark: #e2b21f;
  --accent: #ffe08a;
  --shadow: 0 20px 45px rgba(16, 33, 27, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DIN 2014", "Bahnschrift", "Arial Narrow", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 85% -15%, #fff1c0 0%, transparent 35%), var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "DIN 2014", "Bahnschrift", "Arial Narrow", Arial, sans-serif;
  line-height: 1.15;
  margin: 0 0 0.8rem;
}

p {
  margin: 0 0 1rem;
}

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(245, 247, 243, 0.84);
  border-bottom: 1px solid rgba(216, 228, 222, 0.8);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
}

.brand-logo {
  display: block;
  height: 42px;
  width: auto;
  max-width: min(48vw, 215px);
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.main-nav {
  display: flex;
  gap: 1.2rem;
}

.main-nav a {
  font-weight: 600;
  color: var(--muted);
}

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

.main-nav .nav-cta {
  background: var(--brand);
  color: #1b1400;
  border: 1px solid #e2b21f;
  border-radius: 0.55rem;
  padding: 0.2rem 0.5rem;
  line-height: 1.25;
  box-shadow: 0 2px 8px rgba(253, 203, 56, 0.28);
}

.main-nav .nav-cta:hover {
  color: #1b1400;
  background: var(--brand-dark);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.7rem;
  padding: 0.45rem 0.8rem;
  font: inherit;
}

.hero {
  padding: 5.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-shape {
  position: absolute;
  width: 640px;
  height: 640px;
  right: -200px;
  top: -240px;
  background: linear-gradient(120deg, rgba(253, 203, 56, 0.26), rgba(255, 224, 138, 0.2));
  border-radius: 120px;
  transform: rotate(-20deg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--brand-dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 56ch;
}

.hero-cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.verstoss-form {
  margin-top: 1rem;
}

.verstoss-form-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.verstoss-form-grid-single {
  grid-template-columns: 1fr;
}

.verstoss-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.verstoss-input {
  width: 100%;
  border: 1px solid #bfd0c8;
  border-radius: 0.75rem;
  padding: 0.7rem 0.8rem;
  font: inherit;
  background: #fff;
  color: var(--text);
}

.verstoss-input:focus {
  outline: 2px solid rgba(253, 203, 56, 0.5);
  border-color: #e2b21f;
}

.plate-group {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.15fr;
  gap: 0.45rem;
  align-items: center;
}

.plate-input {
  text-transform: uppercase;
  text-align: center;
  font-weight: 700;
}

.plate-sep {
  font-size: 1.45rem;
  font-weight: 900;
  color: #243730;
  line-height: 1;
  transform: translateY(-1px);
}

.verstoss-form button.btn-primary {
  border: none;
  appearance: none;
}

.howto-box {
  background: #ffffff;
  border-left: 5px solid #2196F3;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.hero-grid > .howto-box {
  grid-column: 1 / -1;
  margin-top: 0.6rem;
}

.howto-box h3 {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.howto-icon {
  display: inline-flex;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 800;
  color: #ffffff;
  background: #2195f3b2;
  border: 1px solid #054477;
}

.howto-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.howto-steps li {
  background: #2195f323;
  border-radius: 0.65rem;
  padding: 0.55rem 0.6rem;
  font-size: 0.95rem;
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  border-radius: 0.9rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn>i:first-child {
  margin-right: 0.45rem;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--brand);
  color: #1b1400;
  box-shadow: 0 8px 22px rgba(253, 203, 56, 0.45);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-ghost {
  border: 1px solid var(--line);
  background: #fff;
}

.hero-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  align-self: start;
}

.range-label {
  display: inline-block;
  margin-bottom: 0.4rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--brand);
}

.meter {
  margin-top: 0.7rem;
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #ebf1ee;
  overflow: hidden;
}

.meter-fill {
  width: 62%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--brand));
  transition: width 0.25s ease;
}

.small {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.7rem;
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 0;
  background: transparent;
  box-shadow: none;
  filter: none;
}

.stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 2rem;
}

.stat {
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 1rem;
}

.stat-number {
  font-family: "DIN 2014", "Bahnschrift", "Arial Narrow", Arial, sans-serif;
  font-size: 2rem;
  margin-bottom: 0.2rem;
}

.stat-label {
  color: var(--muted);
  margin: 0;
}

.section {
  padding: 3rem 0;
}

.section-head {
  margin-bottom: 1.3rem;
}

.leistungen-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.4rem;
  align-items: start;
}

.leistungen-figure {
  margin: 0;
}

.leistungen-image {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  background: transparent;
  box-shadow: none;
  filter: none;
}

#umwelt {
  border-top: none;
  position: relative;
  overflow: hidden;
}

#umwelt .card {
  background: linear-gradient(135deg, #8ec640 0%, #569f24 100%);
  border: 1px solid #6aae2f;
  color: #ffffff;
}

#umwelt .hero-cta {
  align-items: center;
}

#umwelt .umwelt-partner-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.35rem;
}

#umwelt .umwelt-partner-logo {
  display: block;
  width: auto;
  height: 92px;
}

#umwelt .plant-highlight {
  color: #007a49;
  font-weight: 700;
}

#umwelt .hero-image {
  margin-top: 12px;
}

.trees-partner {
  margin-top: 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.trees-partner-text {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-weight: 700;
}

.trees-partner-link {
  display: inline-flex;
  align-items: center;
}

.trees-partner-logo {
  height: 86px;
  width: auto;
  display: block;
}

.trees-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: center;
}

.trees-figure {
  margin: 0;
}

.trees-image {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
  margin-left: auto;
  background: transparent;
  box-shadow: none;
  filter: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.section-accent {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(253, 203, 56, 0.2) 100%);
  border-top: none;
  border-bottom: 1px solid var(--line);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  align-items: start;
}

#vorteile .two-col {
  grid-template-columns: 1fr 1.1fr 0.7fr;
  align-items: center;
}

.warum-wir-figure {
  margin: 0;
  justify-self: end;
}

.warum-wir-image {
  display: block;
  width: 330px;
  min-height: 340px;
  height: 340px;
  max-width: 100%;
  object-fit: contain;
  background: transparent;
  box-shadow: none;
  filter: none;
}

.benefits {
  margin: 0;
  padding-left: 1.2rem;
}

.benefits li {
  margin-bottom: 0.45rem;
}

.tas-highlight {
  color: #e2b21f;
  font-weight: 800;
}

.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin-top: 0.6rem;
}

.contact-box {
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 1.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1rem 0 1.4rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
}

.footer-links {
  display: inline-flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #b9c1bc;
  font-weight: 600;
  font-size: 0.76rem;
}

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

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 930px) {
  .hero-grid,
  .leistungen-layout,
  .two-col,
  .cards,
  .trees-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .trees-image {
    margin: 0 auto;
  }

  .leistungen-image {
    margin: 0 auto;
    max-width: 320px;
  }

  .warum-wir-figure {
    justify-self: start;
  }

  .warum-wir-image {
    margin: 0 auto;
    max-width: 340px;
  }

  .trees-partner {
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .brand-logo {
    height: 36px;
    max-width: min(58vw, 180px);
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    right: 4vw;
    top: 66px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    box-shadow: var(--shadow);
    padding: 0.6rem;
    display: none;
    flex-direction: column;
    min-width: 200px;
  }

  .main-nav .nav-cta {
    text-align: center;
    width: 100%;
    margin-top: 0.25rem;
  }

  .main-nav.is-open {
    display: flex;
  }

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

  .plate-group {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .plate-sep {
    display: none;
  }

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

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

  .contact-box,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  #umwelt .umwelt-partner-logo {
    height: 74px;
  }
}