@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Sora:wght@400;500;600;700&display=swap");

:root {
  --brand-green: #2f7d3f;
  --brand-red: #cf9a2a;
  --ink-900: #2b2b2b;
  --ink-700: #444c47;
  --ink-500: #69736d;
  --surface-0: #ffffff;
  --surface-1: #f7faf6;
  --surface-2: #ebf3ec;
  --stroke: #d5e2d7;
  --stroke-strong: #b2c9b6;
  --shadow-soft: 0 14px 34px rgba(25, 37, 29, 0.07);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container: min(1160px, calc(100% - 2.75rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink-900);
  background: var(--surface-1);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.62;
}

[data-lang-page="en"] {
  display: none;
}

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

html[data-lang="en"] [data-lang-page="en"] {
  display: block;
}

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

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: 5.1rem 0;
}

.section-title {
  margin: 0 0 0.95rem;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.7rem, 2.7vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.012em;
}

.section-lead {
  margin: 0;
  color: var(--ink-700);
  max-width: 66ch;
}

.kicker {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(31, 122, 52, 0.26);
  color: var(--brand-green);
  background: rgba(31, 122, 52, 0.06);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.34rem 0.84rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.93rem;
  padding: 0.75rem 1.25rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand-green);
  border-color: var(--brand-green);
  color: #fff;
  box-shadow: 0 8px 18px rgba(31, 122, 52, 0.2);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #19642a;
  border-color: #19642a;
}

.btn-secondary {
  background: #fff;
  border-color: rgba(43, 43, 43, 0.2);
  color: var(--ink-900);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--brand-green);
  color: var(--brand-green);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(31, 122, 52, 0.12);
  animation: slide-down 0.48s ease;
}

.topline {
  background: #2b7e3f;
  color: #d9e3db;
  font-size: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.topline .container {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.38rem 0;
  white-space: nowrap;
  overflow: hidden;
}

.nav-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.78rem 0;
}

.brand {
  width: min(276px, 58vw);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(43, 43, 43, 0.2);
  background: #fff;
  color: var(--ink-900);
  border-radius: 8px;
  font-weight: 600;
  padding: 0.42rem 0.62rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.24rem;
}

.site-nav a {
  font-size: 0.91rem;
  font-weight: 600;
  color: var(--ink-700);
  border-radius: 999px;
  padding: 0.46rem 0.86rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--brand-green);
  background: rgba(31, 122, 52, 0.08);
}

.site-nav a.active {
  background: rgba(31, 122, 52, 0.14);
  color: var(--brand-green);
}

.lang-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(43, 43, 43, 0.2);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-700);
  padding: 0.35rem 0.65rem;
  margin-left: 0.26rem;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 5.4rem;
  background: linear-gradient(180deg, #f7fbf7 0%, #ecf4ee 100%);
}

.home-top-banner {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(47, 125, 63, 0.18);
  background: #e6efe7;
}

.home-top-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.home-top-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(24, 53, 34, 0.24), rgba(24, 53, 34, 0.04));
  pointer-events: none;
}

.hero::before {
  content: "";
  position: absolute;
  right: -5%;
  top: 6%;
  width: min(920px, 76vw);
  height: 480px;
  background:
    radial-gradient(circle at 18% 24%, rgba(185, 197, 203, 0.36) 0 2px, transparent 3px),
    radial-gradient(circle at 72% 60%, rgba(193, 201, 207, 0.33) 0 2px, transparent 3px),
    linear-gradient(120deg, rgba(165, 178, 186, 0.26) 0.8px, transparent 0.8px),
    linear-gradient(24deg, rgba(165, 178, 186, 0.18) 0.8px, transparent 0.8px);
  background-size: 122px 122px, 148px 148px, 26px 26px, 32px 32px;
  opacity: 0.7;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 2.2rem;
  align-items: center;
}

.hero h1 {
  margin: 1.06rem 0 0.6rem;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.34rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #1d3930;
}

.hero-subline {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.46rem, 2.2vw, 2.25rem);
  line-height: 1.24;
  color: #243f36;
  letter-spacing: -0.012em;
}

.hero p {
  margin: 1.15rem 0 0;
  color: var(--ink-700);
  max-width: 55ch;
  font-size: 1.02rem;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.72rem;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  isolation: isolate;
}

.hero-art-product {
  padding: 0;
}

.hero-art-product img {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  height: auto;
  min-height: 0;
  object-fit: contain;
  object-position: center bottom;
  border-radius: 0;
  box-shadow: 0 20px 42px rgba(28, 46, 40, 0.16);
}

.hero-art::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: 3%;
  height: 26%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(172, 184, 192, 0.36) 0%, rgba(172, 184, 192, 0.08) 52%, transparent 75%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
}

.grid-4,
.grid-3,
.grid-2 {
  display: grid;
  gap: 1rem;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface-0);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  padding: 1.22rem;
  box-shadow: 0 10px 20px rgba(26, 34, 29, 0.04);
}

.card h3,
.card h4 {
  margin-top: 0;
  margin-bottom: 0.56rem;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.icon-dot {
  width: 2.34rem;
  height: 2.34rem;
  border-radius: 0.72rem;
  border: 1px solid rgba(31, 122, 52, 0.24);
  background: rgba(31, 122, 52, 0.08);
  color: var(--brand-green);
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 0.86rem;
}

.section-muted {
  background: var(--surface-2);
}

.core-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem;
  align-items: stretch;
}

.diagram-panel {
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 1.15rem;
  display: grid;
  gap: 0.72rem;
}

.diagram-node {
  border: 1px solid rgba(31, 122, 52, 0.22);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  background: linear-gradient(165deg, #ffffff, #f5f8f5);
}

.diagram-node strong {
  display: block;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 0.84rem;
  color: var(--brand-green);
  margin-bottom: 0.2rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1rem;
}

.step {
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: #fff;
  padding: 0.72rem 0.68rem;
}

.step span {
  display: inline-block;
  color: var(--brand-red);
  font-weight: 700;
  font-size: 0.75rem;
  margin-bottom: 0.2rem;
}

.step strong {
  display: block;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 0.86rem;
  line-height: 1.25;
}

.philosophy {
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: linear-gradient(140deg, #f4f7f4, #ecf2ed);
  padding: 1.5rem;
}

.philosophy p {
  margin: 0;
  color: var(--ink-700);
}

.philosophy p + p {
  margin-top: 0.55rem;
}

.band {
  background: linear-gradient(160deg, #2f7d3f 0%, #236632 100%);
  color: #f5fbf6;
}

.band .section-title {
  color: #fff;
}

.band .card {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.18);
  color: #edf6ee;
  box-shadow: none;
}

.band .card p {
  color: #dbe9de;
}

.manifesto-strip {
  background: #2a7439;
  color: #f7faf7;
  text-align: center;
  padding: 3.6rem 0;
}

.manifesto-strip p {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.03rem, 2vw, 1.34rem);
  line-height: 1.6;
}

.manifesto-strip p + p {
  margin-top: 0.55rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0.8rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.52rem;
  top: 0.42rem;
  bottom: 0.42rem;
  width: 1px;
  background: linear-gradient(rgba(31, 122, 52, 0.62), rgba(31, 122, 52, 0.18));
}

.timeline article {
  position: relative;
  margin-left: 1.38rem;
  padding: 0.76rem 0.9rem;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: #fff;
}

.timeline article::before {
  content: "";
  position: absolute;
  left: -1.16rem;
  top: 0.95rem;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: var(--brand-green);
  box-shadow: 0 0 0 3px rgba(31, 122, 52, 0.18);
}

.page-hero {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9f8 100%);
  padding: 3rem 0 3.3rem;
}

.page-theme-banner {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(47, 125, 63, 0.18);
  background: #e8f1ea;
  display: flex;
  justify-content: center;
}

.page-theme-banner img {
  width: 100%;
  max-width: none;
  height: auto;
  object-fit: initial;
  object-position: initial;
}

.page-theme-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17, 43, 26, 0.2), rgba(17, 43, 26, 0.04));
  pointer-events: none;
}

.page-hero h1 {
  margin: 0.76rem 0 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.84rem, 3.9vw, 3rem);
  line-height: 1.14;
  letter-spacing: -0.014em;
}

.page-hero p {
  margin: 0.95rem 0 0;
  max-width: 64ch;
  color: var(--ink-700);
}

.list-clean {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.46rem;
}

.list-clean li {
  display: flex;
  align-items: flex-start;
  gap: 0.56rem;
}

.list-clean li::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  margin-top: 0.5rem;
  background: rgba(31, 122, 52, 0.85);
  flex-shrink: 0;
}

.metric {
  border-left: 3px solid var(--brand-green);
  padding-left: 0.72rem;
}

.metric strong {
  display: block;
  color: var(--ink-900);
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 1.34rem;
  line-height: 1.2;
}

.chip-row {
  display: flex;
  gap: 0.52rem;
  flex-wrap: wrap;
}

.chip {
  border-radius: 999px;
  padding: 0.34rem 0.7rem;
  border: 1px solid rgba(43, 43, 43, 0.18);
  background: #fff;
  color: var(--ink-700);
  font-size: 0.79rem;
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: #fff;
}

table {
  width: 100%;
  min-width: 550px;
  border-collapse: collapse;
}

thead {
  background: rgba(31, 122, 52, 0.08);
}

th,
td {
  text-align: left;
  padding: 0.82rem 0.92rem;
  border-bottom: 1px solid #e3ebe4;
}

th {
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 0.86rem;
}

details {
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0.82rem 0.95rem;
}

details + details {
  margin-top: 0.75rem;
}

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

form {
  display: grid;
  gap: 0.72rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c6d2c8;
  border-radius: 9px;
  padding: 0.66rem 0.8rem;
  background: #fff;
  color: var(--ink-900);
  font: inherit;
}

textarea {
  min-height: 138px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(31, 122, 52, 0.2);
  border-color: rgba(31, 122, 52, 0.5);
}

.site-footer {
  margin-top: 3rem;
  padding: 2.7rem 0 2rem;
  border-top: 4px solid rgba(47, 125, 63, 0.78);
  background: #2a7439;
  color: #ecf2ed;
}

.site-footer p {
  color: #d0dbd2;
}

.footer-grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: 2fr 1fr 1fr;
}

.footer-grid h4 {
  margin: 0 0 0.64rem;
  color: #fff;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 1rem;
}

.site-footer .list-clean li::before {
  background: rgba(201, 32, 38, 0.88);
}

.site-footer a {
  color: #deeadf;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #ffffff;
}

.footer-note {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.86rem;
  color: #b6c5b9;
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.48s ease, transform 0.48s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * {
  transition-delay: 0s;
}

.stagger > *:nth-child(2) {
  transition-delay: 0.08s;
}

.stagger > *:nth-child(3) {
  transition-delay: 0.14s;
}

.stagger > *:nth-child(4) {
  transition-delay: 0.2s;
}

@keyframes slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .core-grid,
  .grid-4,
  .grid-3,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-art {
    min-height: 500px;
  }

  .hero-art-product img {
    width: min(100%, 560px);
  }
}

@media (max-width: 780px) {
  .topline .container {
    white-space: normal;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 1.25rem;
    width: min(330px, calc(100vw - 2.5rem));
    background: #fff;
    border: 1px solid var(--stroke-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: stretch;
    padding: 0.72rem;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .lang-pill {
    margin: 0.28rem 0 0;
    justify-content: center;
  }

  .hero,
  .page-hero {
    padding-top: 3.8rem;
  }

  .hero-grid,
  .core-grid,
  .grid-2,
  .grid-4,
  .grid-3,
  .footer-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 420px;
    margin-top: 0.5rem;
  }

  .hero-art-product img {
    width: min(100%, 460px);
  }

  .hero::before {
    width: 110%;
    right: -20%;
    top: 6%;
  }

  .section {
    padding: 3.9rem 0;
  }
}