:root {
  --ink: #0f172a;        /* Midnight Navy */
  --paper: #f8fafc;      /* Soft Light Neutral */
  --primary: #0284c7;    /* Electric Cyan/Blue */
  --accent: #0d9488;     /* Clean Energy Teal */
  --highlight: #f59e0b;  /* Warm Gold Accent */
  --muted: #64748b;      /* Slate Gray */
  --line: #e2e8f0;       /* Border Color */
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a {
  color: inherit;
  text-underline-offset: 4px;
}

img {
  display: block;
  width: 100%;
  object-fit: cover;
}

button, input, select {
  font: inherit;
}

.wrap {
  width: min(1240px, calc(100% - 96px));
  margin: auto;
}

.ad {
  text-align: center;
  background: var(--ink);
  color: #94a3b8;
  font-size: 11px;
  padding: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
}

header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-text {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--ink);
}

.badge-at {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 13px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

nav {
  display: flex;
  gap: 32px;
  font-size: 14px;
  font-weight: 600;
}

nav a {
  text-decoration: none;
  color: #475569;
  transition: color 0.2s ease;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: 0;
  border-radius: 9999px;
  text-decoration: none;
  padding: 16px 28px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

.button.small {
  padding: 10px 20px;
}

.button.light {
  background: white;
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.button.light:hover {
  background: #f1f5f9;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  margin: 0 0 20px;
  color: var(--accent);
  text-transform: uppercase;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 9px;
}

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

h1 {
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.08;
  letter-spacing: -2.5px;
  font-weight: 800;
  margin-bottom: 24px;
}

em {
  font-family: Georgia, serif;
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

h2 {
  font-size: clamp(32px, 3.2vw, 46px);
  line-height: 1.15;
  letter-spacing: -1.5px;
  font-weight: 700;
  margin-bottom: 24px;
}

h3 {
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -.5px;
  font-weight: 600;
  margin-bottom: 16px;
}

.lead {
  max-width: 450px;
  font-size: 17px;
  color: var(--muted);
  margin-bottom: 28px;
}

.micro {
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
}

.hero-photo {
  height: 520px;
  position: relative;
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

.hero-photo img {
  height: 100%;
}

.hero-photo:after {
  content: '';
  position: absolute;
  inset: 40% 0 0;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
}

.hero-photo figcaption {
  position: absolute;
  bottom: 30px;
  left: 32px;
  color: white;
  z-index: 1;
}

.hero-photo figcaption span {
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 600;
  color: #7dd3fc;
}

.hero-photo strong {
  display: block;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  margin-top: 8px;
}

.photo-tag {
  position: absolute;
  right: 20px;
  top: 20px;
  border-radius: 9999px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.photo-tag span {
  margin-left: 12px;
  color: var(--primary);
}

.strip {
  background: #f1f5f9;
  border-block: 1px solid var(--line);
}

.strip-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 20px;
  font-size: 13px;
  color: #334155;
}

.strip-inner > span:first-child {
  font-weight: 700;
  color: var(--ink);
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
  margin-bottom: 40px;
}

.section-top h2 {
  margin-bottom: 0;
}

.section-top > p {
  max-width: 350px;
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 4px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.energy-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: white;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.energy-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.energy-card img {
  height: 260px;
}

.card-body {
  padding: 36px;
}

.pill {
  font-size: 11px;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.card-body p {
  font-size: 15px;
  color: var(--muted);
}

.card-body a {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-top: 28px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  color: var(--primary);
  transition: color 0.2s ease;
}

.card-body a:hover {
  color: var(--accent);
}

.process {
  background: var(--ink);
  color: white;
  border-radius: 24px;
  margin: 20px auto;
  width: min(1280px, calc(100% - 48px));
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.process .eyebrow {
  color: #38bdf8;
}

.process img {
  height: 280px;
  border-radius: 16px;
  margin-top: 32px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.steps {
  padding-top: 10px;
}

.steps article {
  display: flex;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 28px 0 16px;
}

.steps article > span {
  color: var(--highlight);
  font-size: 14px;
  font-weight: 700;
}

.steps h3 {
  font-size: 20px;
  color: white;
}

.steps p {
  color: #94a3b8;
  font-size: 14px;
}

.text-link {
  color: #38bdf8;
  font-size: 14px;
  font-weight: 600;
  display: inline-block;
  margin-top: 20px;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.request-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.request-copy {
  padding-top: 24px;
}

.request-copy > p {
  max-width: 410px;
  color: var(--muted);
  font-size: 16px;
}

.contact-note {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 36px 0;
}

.contact-note span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.contact-note a {
  display: block;
  width: fit-content;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 4px;
}

.contact-note a:hover {
  color: var(--primary);
}

.form-card {
  background: white;
  border: 1px solid var(--line);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
}

.form-card h3 {
  font-size: 24px;
  margin-bottom: 24px;
}

.form-card .eyebrow {
  margin-bottom: 8px;
}

.feld-block {
  margin-bottom: 18px;
}

.feld-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #334155;
}

.feld-eingabe {
  width: 100%;
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  font-size: 14px;
  min-width: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.feld-eingabe:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
  background: white;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.einwilligung-box {
  font-size: 12px;
  margin: 24px 0;
  color: var(--muted);
}

.einwilligung-box input {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 6px;
}

.einwilligung-box a {
  color: var(--ink);
  font-weight: 600;
}

.absenden-btn {
  width: 100%;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 16px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.absenden-btn:hover {
  opacity: 0.95;
}

.feld-hinweis {
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
  margin: 14px 0 0;
}

.ist-versteckt {
  display: none !important;
}

#formStatus {
  font-size: 13px;
  margin: 12px 0 0;
}

.faq {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  border-top: 1px solid var(--line);
  padding-top: 80px;
}

.faq > div > p:not(.eyebrow) {
  font-size: 15px;
  color: var(--muted);
  max-width: 280px;
}

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

summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 32px 24px 0;
  font-size: 16px;
  font-weight: 600;
  position: relative;
  transition: color 0.2s ease;
}

summary:hover {
  color: var(--primary);
}

summary::-webkit-details-marker {
  display: none;
}

summary:after {
  content: '+';
  position: absolute;
  right: 0;
  font-size: 20px;
  top: 22px;
  color: var(--muted);
}

details[open] summary:after {
  content: '−';
  color: var(--primary);
}

details p {
  font-size: 14px;
  color: var(--muted);
  padding-right: 25px;
  padding-bottom: 20px;
}

.closing {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  margin-bottom: 96px;
  min-height: 360px;
  display: flex;
  align-items: center;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
}

.closing > img {
  position: absolute;
  inset: 0;
  height: 100%;
}

.closing:after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.4));
}

.closing > div {
  position: relative;
  z-index: 1;
  padding: 60px;
  color: white;
}

.closing h2 {
  font-size: 40px;
  margin-bottom: 28px;
}

.closing .eyebrow {
  color: #38bdf8;
}

footer {
  background: #090d16;
  color: #94a3b8;
  padding: 80px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.3fr .8fr;
  gap: 60px;
  font-size: 14px;
}

.footer-top .logo {
  display: inline-flex;
  margin-bottom: 16px;
}

.footer-top .logo-text {
  color: white;
}

.footer-top .eyebrow {
  color: #38bdf8;
  margin-bottom: 16px;
}

.footer-top p {
  color: #94a3b8;
}

.footer-top a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-top a:hover {
  color: white;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 50px;
  padding-top: 24px;
  font-size: 11px;
  color: #64748b;
}

.dlg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  z-index: 100;
  padding: 30px;
  align-items: center;
  justify-content: center;
}

.dlg.is-open {
  display: flex;
}

.dlg-box {
  width: min(760px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: white;
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.dlg-kopf {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
}

.dlg-kopf h2 {
  font-size: 24px;
  margin: 0;
}

.dlg-x {
  border: 0;
  background: transparent;
  font-size: 28px;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.2s ease;
}

.dlg-x:hover {
  color: var(--ink);
}

.dlg-body {
  padding: 32px;
  font-size: 14px;
  color: #334155;
}

.dlg-body h3 {
  font-size: 18px;
  margin-top: 28px;
  color: var(--ink);
}

.dlg-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.dlg-body td, .dlg-body th {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  overflow-wrap: anywhere;
}

.dlg-fuss {
  padding: 20px 32px;
  border-top: 1px solid var(--line);
}

.dlg-btn {
  padding: 12px 24px;
  background: var(--ink);
  color: white;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

.dlg-btn:hover {
  background: #1e293b;
}

@media(max-width: 1000px) {
  .wrap { width: calc(100% - 48px); }
  .hero { gap: 32px; }
  .hero-photo { height: 460px; }
  .process-grid, .request-grid { gap: 48px; }
  .strip-inner { flex-wrap: wrap; }
  .strip-inner > span:first-child { width: 100%; }
  .faq { gap: 40px; }
  .section { padding-block: 72px; }
  .footer-top { gap: 32px; }
}

@media(max-width: 680px) {
  .wrap { width: calc(100% - 32px); }
  .nav { height: 72px; gap: 12px; }
  nav { display: none; }
  .button.small { font-size: 12px; padding: 10px 14px; gap: 12px; }
  .hero { grid-template-columns: 1fr; padding-block: 40px; gap: 32px; }
  h1 { font-size: 42px; }
  .hero-photo { height: 360px; border-radius: 16px; }
  .cards, .process-grid, .request-grid, .faq { grid-template-columns: 1fr; gap: 32px; }
  .process { width: calc(100% - 24px); border-radius: 16px; }
  .form-card { padding: 24px 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-bottom: 8px; }
  .form-row { grid-template-columns: 1fr; }
}