:root {
  --ink: #18231f;
  --muted: #63706b;
  --paper: #f3f0e8;
  --cream: #fffdf8;
  --line: rgba(24, 35, 31, 0.15);
  --green: #176b50;
  --green-dark: #0c4936;
  --lime: #d9f99d;
  --orange: #ef8354;
  --shadow: 0 24px 70px rgba(24, 35, 31, 0.1);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 8%, rgba(217, 249, 157, 0.38), transparent 28rem),
    var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

button,
input,
select,
a {
  font: inherit;
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 240, 232, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--green);
  box-shadow: inset 0 0 0 7px rgba(255, 255, 255, 0.15);
  font-size: 13px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  display: flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
}

.language-switch button {
  min-width: 45px;
  padding: 7px 11px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.language-switch button.active {
  color: white;
  background: var(--ink);
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

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

.button-primary {
  color: white;
  background: var(--green);
  box-shadow: 0 12px 30px rgba(23, 107, 80, 0.2);
}

.button-primary:hover {
  background: var(--green-dark);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.button-small {
  min-height: 42px;
  padding-inline: 16px;
  font-size: 14px;
}

.hero {
  padding: 76px 0 66px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.72fr);
  gap: 64px;
  align-items: start;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(239, 131, 84, 0.13);
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h1 {
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(52px, 6.5vw, 84px);
  font-weight: 500;
}

h1 em {
  color: var(--green);
  font-weight: inherit;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
}

.benefit-list,
.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefit-list {
  margin-bottom: 28px;
}

.benefit-list li,
.check-list li {
  position: relative;
  padding-left: 30px;
  font-weight: 750;
}

.benefit-list li::before,
.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.request-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--cream);
  box-shadow: var(--shadow);
}

.request-card h2 {
  margin-bottom: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  font-weight: 500;
}

.request-card > p {
  margin-bottom: 24px;
  color: var(--muted);
}

.field-grid {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 14px;
  font-weight: 800;
}

input,
select {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: white;
}

input:focus,
select:focus {
  outline: 3px solid rgba(23, 107, 80, 0.18);
  border-color: var(--green);
}

.request-card .button {
  width: 100%;
  margin-top: 20px;
}

.request-card .button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.form-note,
.form-status {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-status {
  display: none;
  color: var(--green-dark);
  font-weight: 800;
}

.form-status.success {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(23, 107, 80, 0.28);
  border-radius: 14px;
  color: var(--green-dark);
  background: rgba(217, 249, 157, 0.48);
  font-size: 14px;
  line-height: 1.5;
}

.form-status.success strong {
  font-size: 16px;
}

.form-status.success span {
  font-weight: 600;
}

.form-status.error {
  display: block;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(161, 39, 39, 0.22);
  border-radius: 12px;
  color: #a12727;
  background: rgba(255, 230, 230, 0.72);
}

.proof-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.33);
}

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

.proof-item {
  padding: 28px 30px;
  border-right: 1px solid var(--line);
}

.proof-item:first-child {
  padding-left: 0;
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item strong {
  display: block;
  margin-bottom: 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 500;
}

.proof-item span {
  color: var(--muted);
  font-size: 14px;
}

section {
  padding: 92px 0;
}

.section-heading {
  max-width: 770px;
  margin-bottom: 46px;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5vw, 62px);
  font-weight: 500;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.steps,
.leak-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-card,
.leak-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.48);
}

.step-number,
.leak-number {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 34px;
  border-radius: 13px;
  color: var(--green-dark);
  background: var(--lime);
  font-weight: 900;
}

.step-card h3,
.leak-card h3 {
  margin-bottom: 10px;
  font-size: 25px;
}

.step-card p,
.leak-card p {
  margin: 0;
  color: var(--muted);
}

.sample-section {
  background: var(--cream);
}

.sample-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: 58px;
  align-items: center;
}

.sample-copy h2 {
  margin-bottom: 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 500;
}

.sample-copy > p {
  color: var(--muted);
  font-size: 18px;
}

.report-preview {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: var(--shadow);
  transform: rotate(1deg);
}

.report-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-block: 2px solid var(--green);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.report-preview h3 {
  margin: 28px 0 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 500;
}

.finding {
  margin-top: 16px;
  padding: 16px 0 16px 18px;
  border-left: 4px solid var(--ink);
}

.finding strong {
  display: block;
  margin-bottom: 5px;
}

.finding span {
  color: var(--muted);
  font-size: 14px;
}

.boundary-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  overflow: hidden;
  border-radius: 32px;
  color: white;
  background: var(--green-dark);
  box-shadow: 0 30px 80px rgba(12, 73, 54, 0.22);
}

.boundary-main,
.boundary-side {
  padding: clamp(34px, 5vw, 58px);
}

.boundary-main h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5vw, 58px);
  font-weight: 500;
}

.boundary-main p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.boundary-side {
  background: rgba(255, 255, 255, 0.06);
}

.boundary-side strong {
  display: block;
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  font-weight: 500;
}

.boundary-side .check-list {
  margin-bottom: 24px;
}

.boundary-side .check-list li::before {
  color: var(--lime);
}

.boundary-side .button {
  color: var(--green-dark);
  background: var(--lime);
}

footer {
  padding: 36px 0 50px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

html[lang="en"] [data-lang="de"],
html[lang="de"] [data-lang="en"] {
  display: none !important;
}

@media (max-width: 900px) {
  .hero-grid,
  .sample-grid,
  .boundary-card {
    grid-template-columns: 1fr;
  }

  .proof-grid,
  .steps,
  .leak-grid {
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:first-child {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .report-preview {
    max-width: 620px;
    transform: none;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 42px;
  }

  h1 {
    font-size: 48px;
  }

  section {
    padding: 70px 0;
  }

  .request-card,
  .step-card,
  .leak-card,
  .report-preview {
    padding: 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}