:root {
  --ink: #071827;
  --ink-2: #0b2135;
  --white: #ffffff;
  --soft: #f6fafc;
  --soft-2: #eaf3f9;
  --text: #060b10;
  --muted: rgba(6, 11, 16, 0.64);
  --line: rgba(7, 24, 39, 0.14);
  --blue: #1b91d0;
  --blue-dark: #106fa7;
  --blue-deep: #075985;
  --blue-light: #5bc3ea;
  --blue-soft: rgba(27, 145, 208, 0.12);
  --blue-line: rgba(16, 111, 167, 0.68);
  --yellow: #f2d313;
  --shadow: 0 24px 70px rgba(7, 24, 39, 0.11);
  --shadow-soft: 0 16px 48px rgba(7, 24, 39, 0.07);
  --header: 104px;
  --wide: 1720px;
  --inner: 1240px;
  --page: clamp(22px, 4vw, 72px);
  --section: clamp(76px, 8vw, 118px);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header) + 24px);
}

body {
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background: var(--white);
  font-family: var(--font);
  line-height: 1.5;
  text-rendering: geometricPrecision;
}

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

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

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

button {
  cursor: pointer;
}

p {
  color: var(--text);
}

::selection {
  color: var(--ink);
  background: var(--yellow);
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 18px;
  z-index: 9999;
  padding: 12px 16px;
  color: var(--white);
  background: var(--ink);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(7, 24, 39, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.navbar {
  width: min(100%, var(--wide));
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--page);
  display: grid;
  grid-template-columns: minmax(300px, 480px) 1fr;
  align-items: center;
  gap: 34px;
}

.brand {
  height: 100%;
  display: inline-flex;
  align-items: center;
  justify-self: start;
}

.brand img {
  width: clamp(270px, 27vw, 460px);
  max-height: 92px;
  object-fit: contain;
}

.nav-links {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 650;
}

.nav-links > a,
.nav-item > a {
  position: relative;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  color: var(--text);
  transition: color 0.18s ease;
}

.nav-links > a::after,
.nav-item > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5px;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}

.nav-links > a:hover,
.nav-links > a.active,
.nav-item > a:hover,
.nav-item > a.active {
  color: var(--ink);
}

.nav-links > a:hover::after,
.nav-links > a.active::after,
.nav-item > a:hover::after,
.nav-item > a.active::after {
  transform: scaleX(1);
}

.nav-item {
  position: relative;
}

.nav-dropdown::before {
  content: "";
  position: absolute;
  left: -18px;
  right: -18px;
  top: 100%;
  height: 18px;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: -18px;
  min-width: 250px;
  padding: 10px;
  display: grid;
  gap: 2px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(7, 24, 39, 0.1);
  box-shadow: 0 28px 70px rgba(7, 24, 39, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  padding: 13px 14px;
  color: var(--text);
  border-bottom: 1px solid rgba(7, 24, 39, 0.07);
  font-size: 0.94rem;
  font-weight: 720;
}

.nav-dropdown-menu a:last-child {
  border-bottom: 0;
}

.nav-dropdown-menu a:hover {
  color: var(--blue-dark);
  background: rgba(27, 145, 208, 0.08);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  justify-self: end;
  border: 1px solid rgba(7, 24, 39, 0.14);
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Shared */

.section {
  width: min(100%, var(--inner));
  margin: 0 auto;
  padding: var(--section) 22px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 980px;
  font-size: clamp(2.35rem, 4.3vw, 4rem);
  font-weight: 850;
}

h2 {
  max-width: 860px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  font-weight: 820;
}

h3 {
  font-size: clamp(1.18rem, 1.5vw, 1.55rem);
  font-weight: 800;
}

.btn {
  min-width: 230px;
  min-height: 50px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 111, 167, 0.18);
  border-radius: 10px;
  color: var(--white);
  background: linear-gradient(135deg, rgba(39, 158, 218, 0.96), rgba(16, 111, 167, 0.96));
  box-shadow: 0 14px 36px rgba(16, 111, 167, 0.18);
  font-size: 0.94rem;
  font-weight: 780;
  line-height: 1;
  text-align: center;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  color: var(--ink);
  background: var(--yellow);
  border-color: var(--yellow);
  transform: translateY(-1px);
  box-shadow: 0 16px 42px rgba(7, 24, 39, 0.16);
}

.section-head {
  max-width: 900px;
  margin-bottom: clamp(34px, 5vw, 62px);
}

.section-head h2 {
  margin-bottom: 18px;
}

.section-head p {
  max-width: 720px;
  font-size: clamp(1rem, 1.14vw, 1.12rem);
  line-height: 1.68;
}

.section-head-center {
  margin-inline: auto;
  text-align: center;
}

.section-head-center .section-label {
  justify-content: center;
}

.section-head-center p {
  margin-inline: auto;
}

.clean-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  line-height: 1.48;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--blue);
}

/* Home */

.hero {
  min-height: calc(100vh - var(--header));
  display: grid;
  grid-template-columns: minmax(360px, 38vw) 1fr;
  background: var(--white);
}

.hero__image {
  min-height: 720px;
  background:
    linear-gradient(180deg, rgba(7, 24, 39, 0.02), rgba(7, 24, 39, 0.12)),
    url("assets/solarpark.jpg") center / cover no-repeat;
}

.hero__content {
  min-height: 720px;
  padding: clamp(38px, 5vw, 74px);
  display: grid;
  align-content: center;
  gap: 24px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.78)),
    url("assets/background-panels.jpg") center / cover no-repeat;
}

.hero__panel {
  width: min(100%, 980px);
  padding: clamp(36px, 4vw, 58px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.58));
  border: 1px solid rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero__panel h1 {
  margin-bottom: 24px;
}

.hero__lead {
  max-width: 840px;
  color: var(--text);
  font-size: clamp(1.05rem, 1.32vw, 1.24rem);
  line-height: 1.68;
}

.hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__actions .btn {
  width: 230px;
}

.hero__facts {
  margin-top: 44px;
  display: grid;
  gap: 26px;
}

.hero__facts article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  align-items: center;
}

.hero-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: var(--blue);
  border: 3px solid var(--blue);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.58);
}

.hero-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero__facts strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: clamp(1.28rem, 1.65vw, 1.68rem);
  line-height: 1.1;
  font-weight: 850;
}

.hero__facts p {
  max-width: 720px;
  color: var(--text);
  line-height: 1.45;
}

.hero__note {
  width: min(100%, 980px);
  padding: 28px clamp(28px, 3vw, 40px);
  display: grid;
  gap: 6px;
  background: rgba(255, 255, 255, 0.62);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hero__note strong {
  color: var(--text);
  font-size: clamp(1.25rem, 1.55vw, 1.62rem);
  line-height: 1.18;
  font-weight: 850;
}

.hero__note p,
.hero__note span {
  color: var(--text);
}

.hero__note span {
  margin-top: 8px;
  font-size: clamp(1rem, 1.12vw, 1.1rem);
  line-height: 1.55;
}

.intro-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(7, 24, 39, 0.95), rgba(11, 33, 53, 0.93)),
    url("assets/black-panels-background.jpg") center / cover no-repeat;
}

.intro-section p,
.intro-section li,
.intro-section h2 {
  color: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1fr);
  gap: clamp(38px, 6vw, 92px);
  align-items: start;
}

.intro-grid .section-label {
  color: var(--white);
}

.intro-copy p {
  color: var(--white);
  font-size: clamp(1.05rem, 1.24vw, 1.16rem);
  line-height: 1.75;
}

.topic-section {
  overflow: hidden;
}

.topic-section--photovoltaik {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.86)),
    url("assets/background-panels.jpg") center / cover no-repeat;
}

.topic-section--speicher {
  background:
    radial-gradient(circle at 8% 18%, rgba(133, 151, 131, 0.24), transparent 30%),
    linear-gradient(90deg, rgba(235, 241, 237, 0.82), rgba(255, 255, 255, 0.98) 58%, #ffffff 100%);
}

.topic-section--mieterstrom {
  background:
    radial-gradient(circle at 9% 20%, rgba(133, 151, 131, 0.2), transparent 30%),
    linear-gradient(90deg, rgba(239, 244, 240, 0.84), rgba(255, 255, 255, 0.98) 60%, #ffffff 100%);
}

.topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 0.92fr);
  gap: clamp(38px, 6vw, 92px);
  align-items: center;
}

.topic-grid--reverse {
  direction: rtl;
}

.topic-grid--reverse > * {
  direction: ltr;
}

.topic-copy h2 {
  margin-bottom: 22px;
}

.topic-copy p {
  max-width: 720px;
  color: var(--text);
  font-size: clamp(1rem, 1.14vw, 1.1rem);
  line-height: 1.72;
}

.topic-copy .btn {
  margin-top: 30px;
}

.topic-media {
  min-height: 430px;
  padding: clamp(28px, 4vw, 44px);
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.topic-media--solarpark2 {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.54)),
    url("assets/solarpark2.jpg") center / cover no-repeat;
}

.topic-media--clouds {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.62)),
    url("assets/wolken-solar.jpg") center / cover no-repeat;
}

.topic-card {
  width: min(100%, 430px);
  padding: 26px;
  display: grid;
  gap: 10px;
  background: rgba(255, 255, 255, 0.7);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.topic-card strong {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 1.15rem;
}

.topic-card span {
  color: var(--text);
  line-height: 1.35;
}

.investment-section {
  min-height: 640px;
  padding: clamp(60px, 7vw, 104px) var(--page);
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.34)),
    url("assets/solar-invest.jpg") center / cover no-repeat;
}

.investment-box {
  width: min(100%, 880px);
  padding: clamp(32px, 4vw, 52px);
  background: rgba(255, 255, 255, 0.66);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.investment-box h2 {
  margin-bottom: 22px;
}

.investment-box p {
  max-width: 760px;
  color: var(--text);
  font-size: clamp(1.02rem, 1.14vw, 1.1rem);
  line-height: 1.72;
}

.investment-box .btn {
  margin-top: 30px;
}

.model-list {
  display: grid;
  gap: 16px;
}

.model-list article {
  padding: clamp(24px, 3vw, 32px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.model-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1.18rem;
  font-weight: 850;
}

.model-list p {
  color: var(--text);
  line-height: 1.62;
}

.services-section {
  background:
    linear-gradient(rgba(234, 243, 249, 0.66), rgba(234, 243, 249, 0.66)),
    url("assets/wolken-solar.jpg") center / cover no-repeat;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 4vw, 50px);
  align-items: stretch;
}

.service-card {
  position: relative;
  min-height: 520px;
  padding: 74px clamp(24px, 3vw, 34px) 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.service-icon {
  position: absolute;
  top: -52px;
  left: 50%;
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  color: var(--white);
  border: 4px solid var(--white);
  border-radius: 50%;
  background: var(--ink-2);
  box-shadow: 0 18px 42px rgba(7, 24, 39, 0.24);
  transform: translateX(-50%);
}

.service-icon svg {
  width: 62px;
  height: 62px;
  fill: none;
  stroke: currentColor;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  min-height: 56px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  text-align: center;
}

.yellow-line {
  width: 112px;
  height: 7px;
  margin-bottom: 28px;
  background: var(--yellow);
}

.service-card ul {
  width: 100%;
  display: grid;
  gap: 20px;
  margin-bottom: 34px;
  list-style: none;
}

.service-card li {
  position: relative;
  min-height: 40px;
  padding-left: 52px;
  display: flex;
  align-items: center;
  color: var(--text);
  line-height: 1.38;
}

.service-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--text);
  border: 2px solid var(--text);
  font-size: 1.8rem;
  line-height: 1;
}

.service-card .btn {
  width: 100%;
  margin-top: auto;
}

.target-section {
  background:
    linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.92)),
    url("assets/background-panels2.jpg") center / cover no-repeat;
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 34px);
}

.target-card {
  min-height: 500px;
  padding: clamp(28px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.58));
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.target-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.target-card h3 {
  min-height: 34px;
  margin-bottom: 16px;
}

.target-card p {
  min-height: 116px;
  color: var(--text);
  line-height: 1.62;
}

.target-card .clean-list {
  margin-top: 18px;
  margin-bottom: 42px;
}

.target-card .btn {
  width: 100%;
  margin-top: auto;
}

.region-section {
  background:
    radial-gradient(circle at 10% 12%, rgba(133, 151, 131, 0.2), transparent 28%),
    linear-gradient(90deg, rgba(238, 244, 240, 0.82), rgba(255, 255, 255, 0.98) 58%, #ffffff 100%);
}

.region-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 1fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
}

.region-grid p {
  max-width: 760px;
  color: var(--text);
  font-size: clamp(1rem, 1.14vw, 1.1rem);
  line-height: 1.72;
}

.region-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  list-style: none;
}

.region-list li {
  padding: 9px 13px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 0.94rem;
  font-weight: 760;
  box-shadow: var(--shadow-soft);
}

.region-image-placeholder {
  min-height: 460px;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.region-image-placeholder img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
}

/* Startseite Erstgespräch */

.contact-strip {
  position: relative;
  isolation: isolate;
  width: min(calc(100% - (var(--page) * 2)), var(--inner));
  margin: 0 auto;
  padding: clamp(64px, 6vw, 96px) 0;
  display: grid;
  grid-template-columns: minmax(0, 920px) max-content;
  align-items: center;
  gap: clamp(28px, 5vw, 76px);
  background: transparent;
  overflow: visible;
}

.contact-strip::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 -100vmax;
  background:
    radial-gradient(circle at 12% 12%, rgba(27, 145, 208, 0.12), transparent 32%),
    linear-gradient(135deg, #f7fbfd 0%, #ffffff 72%);
  border-top: 1px solid rgba(7, 24, 39, 0.1);
}

.contact-strip > div {
  width: 100%;
  max-width: 920px;
}

.contact-strip h2 {
  max-width: 920px;
  margin: 0 0 18px;
  font-size: clamp(2.65rem, 4.15vw, 4.55rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
  font-weight: 900;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.contact-strip p:not(.section-label) {
  max-width: 860px;
  margin: 0;
  color: var(--text);
  font-size: clamp(1.05rem, 1.18vw, 1.22rem);
  line-height: 1.62;
}

.contact-strip .btn {
  width: auto;
  min-width: 230px;
  justify-self: end;
  white-space: nowrap;
}

/* FAQ */

.faq-section {
  background:
    linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.94)),
    url("assets/black-panels-background.jpg") center / cover no-repeat;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.36fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  margin-top: 34px;
}

.faq-category {
  position: sticky;
  top: calc(var(--header) + 32px);
  padding: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 8%, rgba(27, 145, 208, 0.22), transparent 36%),
    linear-gradient(135deg, var(--ink), var(--ink-2));
  border-left: 3px solid var(--blue);
}

.faq-category span {
  display: block;
  margin-bottom: 18px;
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.faq-category h3 {
  color: var(--white);
  font-size: clamp(1.12rem, 1.32vw, 1.42rem);
  line-height: 1.15;
}

.faq-category p {
  margin-top: 18px;
  color: var(--white);
  line-height: 1.64;
}

.faq-items {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(7, 24, 39, 0.1);
  box-shadow: 0 18px 54px rgba(7, 24, 39, 0.06);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.faq-question {
  width: 100%;
  padding: clamp(22px, 3vw, 30px);
  display: grid;
  grid-template-columns: 1fr 42px;
  gap: 22px;
  align-items: center;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.faq-question strong {
  display: block;
  color: var(--text);
  font-size: clamp(1.02rem, 1.2vw, 1.18rem);
  line-height: 1.35;
}

.faq-question i {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  color: var(--ink);
  background: var(--blue-soft);
  font-style: normal;
  font-size: 1.25rem;
  font-weight: 900;
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-item.open .faq-question i {
  background: var(--yellow);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.faq-answer__inner {
  padding: 0 clamp(22px, 3vw, 30px) clamp(24px, 3vw, 32px);
  color: var(--text);
  line-height: 1.72;
}

.faq-answer__inner p {
  color: var(--text);
}

.faq-answer__inner p + p {
  margin-top: 14px;
}

.legal-note {
  max-width: 980px;
  margin-top: 34px;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.62;
}

/* Installieren */

.install-hero {
  position: relative;
  min-height: calc(100vh - var(--header));
  display: grid;
  align-items: stretch;
  overflow: hidden;
  background: var(--white);
}

.install-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 1) 0%,
      rgba(255, 255, 255, 1) 38%,
      rgba(255, 255, 255, 0.96) 49%,
      rgba(255, 255, 255, 0.78) 61%,
      rgba(255, 255, 255, 0.42) 74%,
      rgba(255, 255, 255, 0.12) 100%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.22) 0%,
      rgba(255, 255, 255, 0.05) 54%,
      rgba(255, 255, 255, 0.34) 100%
    ),
    url("assets/agri-solar.jpg");
  background-size: cover;
  background-position: right center;
  opacity: 0.96;
}

.install-hero__copy {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 72px));
  min-height: 700px;
  padding: clamp(58px, 7vw, 106px) 0;
  margin-left: var(--page);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.install-eyebrow {
  margin-bottom: clamp(30px, 4.2vw, 60px);
  color: rgba(6, 11, 16, 0.34);
  font-size: clamp(1rem, 1.5vw, 1.45rem);
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.install-hero h1 {
  max-width: 860px;
  margin-bottom: 34px;
  font-size: clamp(3.25rem, 5.55vw, 5.7rem);
  line-height: 0.94;
  letter-spacing: -0.078em;
  font-weight: 900;
}

.install-hero__lead {
  position: relative;
  max-width: 830px;
  padding-left: 26px;
  color: var(--text);
  font-size: clamp(1.08rem, 1.38vw, 1.38rem);
  line-height: 1.45;
}

.install-hero__lead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--blue);
}

.install-hero__checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr));
  gap: clamp(18px, 4vw, 76px);
  max-width: 860px;
  margin-top: 34px;
}

.install-hero__checks span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  font-size: clamp(1rem, 1.2vw, 1.22rem);
  font-weight: 850;
  white-space: nowrap;
}

.install-hero__checks svg {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  color: var(--blue-dark);
  fill: none;
  stroke: currentColor;
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.install-platform {
  padding: clamp(70px, 7vw, 116px) 0;
  background:
    linear-gradient(rgba(105, 200, 234, 0.76), rgba(91, 191, 228, 0.74)),
    url("assets/wolken-solar.jpg") center / cover no-repeat;
}

.install-platform__intro {
  width: min(calc(100% - (var(--page) * 2)), 1280px);
  margin: 0 auto clamp(46px, 6vw, 76px);
  text-align: center;
}

.install-platform__intro .section-label {
  justify-content: center;
}

.install-platform__intro h2 {
  max-width: none;
  margin: 0 auto 22px;
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  line-height: 1;
}

.install-platform__intro p {
  max-width: 1280px;
  margin: 0 auto;
  color: var(--text);
  font-size: clamp(1.04rem, 1.25vw, 1.28rem);
  line-height: 1.48;
}

.install-feature-grid {
  width: min(calc(100% - (var(--page) * 2)), 1480px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(280px, 1fr));
  gap: clamp(22px, 3vw, 34px);
  align-items: stretch;
}

.install-feature-card {
  position: relative;
  min-height: 560px;
  padding: clamp(30px, 3vw, 42px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: linear-gradient(135deg, rgba(232, 249, 255, 0.42), rgba(213, 240, 250, 0.3));
  border: 1.5px solid rgba(16, 111, 167, 0.54);
  border-radius: 18px;
  box-shadow:
    0 28px 70px rgba(7, 24, 39, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(22px) saturate(135%);
  -webkit-backdrop-filter: blur(22px) saturate(135%);
}

.install-feature-card__top {
  min-height: 118px;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 22px;
  align-items: start;
  margin-bottom: 32px;
}

.install-line-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  justify-self: start;
  align-self: start;
  margin-top: 2px;
  color: var(--blue-dark);
}

.install-line-icon svg,
.install-line-icon img {
  width: 62px;
  height: 62px;
  object-fit: contain;
}

.install-line-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.install-feature-card h3 {
  margin-bottom: 10px;
  font-size: clamp(1.55rem, 1.8vw, 2.05rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 900;
}

.install-feature-card p {
  color: var(--text);
  line-height: 1.48;
}

.install-feature-card ul {
  display: grid;
  gap: 11px;
  align-self: center;
  list-style: none;
}

.install-feature-card li {
  position: relative;
  padding-left: 58px;
  color: var(--text);
  font-size: clamp(0.98rem, 1.15vw, 1.15rem);
  line-height: 1.32;
}

.install-feature-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -14px;
  color: var(--blue-dark);
  font-size: 3rem;
  line-height: 1;
  font-weight: 900;
}

.install-card-footer {
  display: block;
  align-self: end;
  min-height: 64px;
  margin-top: 42px;
  padding-top: 18px;
  color: rgba(6, 11, 16, 0.62);
  border-top: 1px solid rgba(7, 24, 39, 0.16);
  font-size: 0.95rem;
  line-height: 1.35;
}

.install-wide-band {
  width: min(calc(100% - 48px), 1680px);
  min-height: 430px;
  margin: clamp(56px, 5vw, 86px) auto 0;
  padding: clamp(54px, 5vw, 82px) clamp(54px, 5.5vw, 90px);
  display: grid;
  grid-template-columns: minmax(360px, 36%) minmax(720px, 64%);
  gap: clamp(54px, 6vw, 98px);
  align-items: stretch;
  background: linear-gradient(135deg, rgba(224, 247, 255, 0.4), rgba(195, 231, 244, 0.28));
  border: 1px solid rgba(255, 255, 255, 0.66);
  box-shadow:
    0 28px 82px rgba(7, 24, 39, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(24px) saturate(135%);
  -webkit-backdrop-filter: blur(24px) saturate(135%);
}

.install-wide-band__intro {
  min-width: 0;
  align-self: center;
}

.install-wide-band__intro h3 {
  max-width: 610px;
  margin: 0 0 28px;
  color: var(--text);
  font-family: var(--font);
  font-size: clamp(2.05rem, 2.65vw, 3.35rem);
  line-height: 1;
  letter-spacing: -0.065em;
  font-weight: 900;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}

.install-wide-band__intro p {
  max-width: 610px;
  margin: 0;
  color: rgba(6, 11, 16, 0.72);
  font-size: clamp(1.05rem, 1.1vw, 1.18rem);
  line-height: 1.65;
}

.install-wide-band__right {
  min-width: 0;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  align-self: center;
}

.install-proof-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  border-left: 1.5px solid var(--blue-line);
}

.install-proof-grid article {
  min-width: 0;
  min-height: 138px;
  padding: 0 clamp(18px, 1.45vw, 28px);
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  column-gap: 15px;
  align-items: center;
  border-right: 1.5px solid var(--blue-line);
}

.install-proof-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  justify-self: start;
  color: var(--blue-dark);
}

.install-proof-icon svg,
.install-proof-icon img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.install-proof-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.install-proof-grid strong {
  display: block;
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: clamp(1.12rem, 1.22vw, 1.42rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 900;
  white-space: normal;
}

.install-proof-grid p {
  max-width: 220px;
  margin: 0;
  color: rgba(6, 11, 16, 0.66);
  font-size: 0.92rem;
  line-height: 1.34;
}

.install-wide-band__cta {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}

.install-pill-btn {
  width: auto;
  min-width: 260px;
  min-height: 50px;
  padding: 0 28px;
  white-space: nowrap;
}

.install-support-section {
  background:
    radial-gradient(circle at 10% 12%, rgba(133, 151, 131, 0.16), transparent 28%),
    linear-gradient(90deg, rgba(238, 244, 240, 0.82), rgba(255, 255, 255, 0.98) 58%, #ffffff 100%);
}

.install-support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.install-support-grid article {
  padding: clamp(28px, 3vw, 38px);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.install-support-grid span {
  display: block;
  margin-bottom: 30px;
  color: var(--blue-dark);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.install-support-grid h3,
.install-process h3 {
  margin-bottom: 14px;
  font-size: clamp(1.12rem, 1.32vw, 1.42rem);
}

.install-support-grid p {
  line-height: 1.66;
}

.install-technical-section {
  background:
    linear-gradient(135deg, rgba(7, 24, 39, 0.96), rgba(11, 33, 53, 0.94)),
    url("assets/black-panels-background.jpg") center / cover no-repeat;
}

.install-technical-section h2,
.install-technical-section p,
.install-technical-section li {
  color: var(--white);
}

.install-technical-section .section-label {
  color: var(--white);
}

.install-technical-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.42fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
}

.install-technical-grid p {
  max-width: 760px;
  font-size: clamp(1rem, 1.14vw, 1.12rem);
  line-height: 1.72;
}

.install-technical-grid .clean-list li::before {
  background: var(--yellow);
}

.install-technical-box {
  padding: clamp(28px, 3.4vw, 44px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-left: 3px solid var(--yellow);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.install-technical-box strong {
  display: block;
  margin-bottom: 18px;
  color: var(--yellow);
  font-size: clamp(1.25rem, 1.7vw, 1.9rem);
  line-height: 1.12;
}

.install-technical-box p {
  margin-bottom: 26px;
  color: var(--white);
}

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

.install-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.install-process article {
  min-height: 260px;
  padding: clamp(24px, 3vw, 34px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(246, 250, 252, 0.62));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.install-process span {
  width: 48px;
  height: 48px;
  margin-bottom: 34px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--blue-dark);
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 900;
}

.install-process p {
  line-height: 1.62;
}

.install-faq-section {
  background:
    linear-gradient(rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.94)),
    url("assets/background-panels2.jpg") center / cover no-repeat;
}

.install-form-section {
  background:
    radial-gradient(circle at 9% 20%, rgba(27, 145, 208, 0.14), transparent 28%),
    linear-gradient(90deg, rgba(238, 244, 240, 0.82), rgba(255, 255, 255, 0.98) 58%, #ffffff 100%);
}

.install-form-grid {
  display: grid;
  grid-template-columns: minmax(430px, 0.88fr) minmax(560px, 1.12fr);
  gap: clamp(34px, 5vw, 74px);
  align-items: start;
}

.install-form-copy {
  max-width: 620px;
}

.install-form-copy h2 {
  max-width: 620px;
  margin-bottom: 16px;
  font-size: clamp(2rem, 3vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.install-form-copy > p:not(.section-label) {
  max-width: 600px;
  color: var(--text);
  font-size: clamp(1.05rem, 1.2vw, 1.18rem);
  line-height: 1.65;
}

.install-contact-note {
  margin-top: 34px;
  padding: 24px;
  display: grid;
  gap: 8px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.install-contact-note strong {
  color: var(--text);
  font-size: 1.08rem;
}

.install-contact-note a,
.install-contact-note span {
  color: var(--text);
  line-height: 1.45;
}

.install-contact-note a:hover {
  color: var(--blue-dark);
}

/* Form */

.project-form {
  padding: clamp(26px, 3vw, 40px);
  display: grid;
  gap: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-form label,
.project-form legend {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 800;
}

.project-form input,
.project-form select,
.project-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 14px 14px;
  color: var(--text);
  background: var(--white);
  border: 1px solid rgba(7, 24, 39, 0.18);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

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

.project-form input:focus,
.project-form select:focus,
.project-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(27, 145, 208, 0.12);
}

.project-form fieldset {
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  border: 1px solid rgba(7, 24, 39, 0.14);
  border-radius: 10px;
}

.project-form legend {
  padding: 0 8px;
}

.checkbox-label {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 650 !important;
  line-height: 1.35;
}

.checkbox-label input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  flex: 0 0 auto;
  accent-color: var(--blue-dark);
}

.project-form .btn {
  width: fit-content;
  border: 0;
}

.project-form .btn:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.conditional-field.is-hidden,
.conditional-field[hidden] {
  display: none !important;
}

.form-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.form-message {
  min-height: 22px;
  color: rgba(6, 11, 16, 0.68);
  font-size: 0.94rem;
  line-height: 1.45;
}

.form-message--success {
  color: #08713d;
  font-weight: 750;
}

.form-message--error {
  color: #a32020;
  font-weight: 750;
}

/* Footer */

.site-footer {
  width: 100%;
  padding: clamp(54px, 6vw, 82px) var(--page) 28px;
  display: grid;
  grid-template-columns: minmax(280px, 1.4fr) minmax(160px, 0.55fr) minmax(180px, 0.65fr) minmax(220px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  color: var(--white);
  background:
    radial-gradient(circle at 12% 12%, rgba(27, 145, 208, 0.18), transparent 28%),
    linear-gradient(135deg, var(--ink), var(--ink-2));
}

.footer-brand img {
  width: min(100%, 360px);
  max-height: 90px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  max-width: 520px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.68;
}

.footer-links,
.footer-contact {
  display: grid;
  align-content: start;
  gap: 10px;
  font-style: normal;
}

.footer-links strong,
.footer-contact strong {
  margin-bottom: 10px;
  color: var(--white);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links a,
.footer-contact a,
.footer-contact span {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.4;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--yellow);
}

.footer-copy {
  grid-column: 1 / -1;
  margin-top: 26px;
  padding-top: 24px;
  color: rgba(255, 255, 255, 0.55);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
}

/* Responsive */

@media (max-width: 1380px) {
  .install-wide-band {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .install-wide-band__intro h3,
  .install-wide-band__intro p {
    max-width: 820px;
  }

  .install-wide-band__right {
    min-height: auto;
  }

  .install-wide-band__cta {
    justify-content: flex-start;
  }
}

@media (max-width: 1240px) {
  .navbar {
    grid-template-columns: minmax(250px, 360px) 1fr;
  }

  .brand img {
    width: clamp(250px, 30vw, 360px);
  }

  .install-feature-grid,
  .service-grid,
  .target-grid,
  .install-support-grid {
    grid-template-columns: 1fr;
  }

  .install-feature-card {
    min-height: auto;
  }

  .install-feature-card ul {
    margin-top: 24px;
  }

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

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

  .install-form-copy,
  .install-form-copy h2,
  .install-form-copy > p:not(.section-label) {
    max-width: 820px;
  }

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

@media (max-width: 980px) {
  :root {
    --header: 88px;
  }

  .navbar {
    position: relative;
    grid-template-columns: 1fr 56px;
  }

  .brand img {
    width: clamp(230px, 48vw, 340px);
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 22px;
    right: 22px;
    top: calc(100% + 12px);
    padding: 16px;
    display: grid;
    gap: 4px;
    justify-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(7, 24, 39, 0.12);
    box-shadow: 0 26px 70px rgba(7, 24, 39, 0.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.18s ease, transform 0.18s ease;
  }

  .nav-links.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links > a,
  .nav-item > a {
    width: 100%;
    min-height: 48px;
    padding: 0 12px;
  }

  .nav-dropdown::before {
    display: none;
  }

  .nav-dropdown-menu {
    position: static;
    min-width: 0;
    margin-top: 4px;
    padding: 6px;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    background: rgba(27, 145, 208, 0.06);
  }

  .hero,
  .intro-grid,
  .topic-grid,
  .region-grid,
  .faq-layout,
  .install-technical-grid {
    grid-template-columns: 1fr;
  }

  .hero__image {
    min-height: 360px;
  }

  .hero__content {
    min-height: auto;
  }

  .topic-grid--reverse {
    direction: ltr;
  }

  .faq-category {
    position: static;
  }

  .contact-strip {
    grid-template-columns: 1fr;
    gap: 30px;
    width: min(calc(100% - 44px), var(--inner));
    padding: clamp(56px, 8vw, 76px) 0;
  }

  .contact-strip .btn {
    justify-self: start;
  }

  .contact-strip h2 {
    max-width: 780px;
    font-size: clamp(2.25rem, 7vw, 3.6rem);
  }

  .contact-strip p:not(.section-label) {
    max-width: 760px;
  }

  .install-hero__copy {
    width: calc(100% - 44px);
    margin-left: 22px;
  }

  .install-hero h1 {
    font-size: clamp(3rem, 10vw, 4.8rem);
  }

  .install-hero__checks {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .install-wide-band {
    width: calc(100% - 44px);
    padding: 42px 32px;
  }

  .install-wide-band__intro h3 {
    font-size: clamp(2.15rem, 7vw, 3.25rem);
    line-height: 1;
  }

  .install-proof-grid {
    grid-template-columns: 1fr;
    border-left: 0;
    border-top: 1.5px solid rgba(16, 111, 167, 0.42);
    border-bottom: 1.5px solid rgba(16, 111, 167, 0.42);
  }

  .install-proof-grid article {
    min-height: auto;
    padding: 22px 0;
    grid-template-columns: 56px minmax(0, 1fr);
    border-right: 0;
    border-bottom: 1.5px solid rgba(16, 111, 167, 0.32);
  }

  .install-proof-grid article:last-child {
    border-bottom: 0;
  }

  .install-proof-grid p {
    max-width: none;
  }
}

@media (max-width: 720px) {
  :root {
    --page: 18px;
    --section: 64px;
  }

  .section {
    padding-inline: 18px;
  }

  h1 {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }

  h2 {
    font-size: clamp(1.8rem, 9vw, 2.7rem);
  }

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

  .hero__image,
  .hero__content {
    min-height: auto;
  }

  .hero__panel,
  .hero__note,
  .investment-box,
  .project-form {
    padding: 26px;
  }

  .hero__actions .btn,
  .btn {
    width: 100%;
  }

  .contact-strip {
    width: calc(100% - 36px);
    padding: 52px 0 58px;
  }

  .contact-strip h2 {
    font-size: clamp(2rem, 11vw, 3rem);
    line-height: 1;
    letter-spacing: -0.055em;
  }

  .contact-strip p:not(.section-label) {
    font-size: 1rem;
    line-height: 1.58;
  }

  .contact-strip .btn {
    width: 100%;
    min-width: 0;
  }

  .install-hero::before {
    background-image:
      linear-gradient(
        90deg,
        rgba(255, 255, 255, 1) 0%,
        rgba(255, 255, 255, 0.96) 54%,
        rgba(255, 255, 255, 0.68) 100%
      ),
      url("assets/agri-solar.jpg");
    background-position: center;
  }

  .install-hero__copy {
    min-height: 650px;
    padding: 54px 0;
  }

  .install-eyebrow {
    margin-bottom: 30px;
    font-size: 0.94rem;
    letter-spacing: 0.09em;
  }

  .install-hero h1 {
    margin-bottom: 28px;
    font-size: clamp(2.75rem, 13vw, 4.15rem);
    line-height: 0.94;
  }

  .install-hero__lead {
    font-size: 1.05rem;
  }

  .install-platform {
    padding-top: 54px;
    padding-bottom: 64px;
  }

  .install-platform__intro {
    width: calc(100% - 36px);
    margin-bottom: 30px;
  }

  .install-platform__intro h2 {
    font-size: clamp(1.9rem, 9vw, 2.75rem);
    line-height: 1.02;
  }

  .install-platform__intro p {
    font-size: 1rem;
    line-height: 1.5;
  }

  .install-feature-grid {
    width: calc(100% - 36px);
    gap: 18px;
  }

  .install-feature-card {
    min-height: auto;
    padding: 24px 22px 26px;
    border-radius: 14px;
  }

  .install-feature-card__top {
    min-height: auto;
    grid-template-columns: 58px 1fr;
    gap: 16px;
    margin-bottom: 24px;
  }

  .install-line-icon,
  .install-line-icon svg,
  .install-line-icon img {
    width: 50px;
    height: 50px;
  }

  .install-feature-card h3 {
    font-size: clamp(1.45rem, 7vw, 1.85rem);
    line-height: 1.02;
  }

  .install-feature-card p {
    font-size: 0.96rem;
    line-height: 1.42;
  }

  .install-feature-card ul {
    gap: 8px;
    margin-top: 6px;
  }

  .install-feature-card li {
    padding-left: 38px;
    font-size: 0.96rem;
    line-height: 1.34;
  }

  .install-feature-card li::before {
    top: -8px;
    font-size: 2.05rem;
  }

  .install-card-footer {
    min-height: auto;
    margin-top: 28px;
    padding-top: 14px;
    font-size: 0.9rem;
  }

  .install-wide-band {
    min-height: auto;
    width: calc(100% - 36px);
    padding: 28px 22px 30px;
    gap: 30px;
  }

  .install-wide-band__intro h3 {
    font-size: clamp(1.75rem, 8.5vw, 2.35rem);
  }

  .install-wide-band__intro p {
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .install-proof-grid article {
    padding: 18px 0;
    grid-template-columns: 44px 1fr;
    column-gap: 14px;
  }

  .install-proof-icon,
  .install-proof-icon svg,
  .install-proof-icon img {
    width: 40px;
    height: 40px;
  }

  .install-proof-grid strong {
    font-size: 1.16rem;
    white-space: normal;
  }

  .install-proof-grid p {
    font-size: 0.92rem;
  }

  .install-pill-btn {
    width: 100%;
    min-width: 0;
  }

  .install-process {
    grid-template-columns: 1fr;
  }

  .form-row,
  .project-form fieldset {
    grid-template-columns: 1fr;
  }

  .project-form .btn {
    width: 100%;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-copy {
    margin-top: 8px;
  }
}

@media (max-width: 440px) {
  .brand img {
    width: 220px;
  }

  .install-hero h1 {
    font-size: clamp(2.55rem, 13vw, 3.65rem);
  }

  .install-hero__checks span {
    white-space: normal;
  }

  .install-proof-grid article {
    grid-template-columns: 44px minmax(0, 1fr);
  }
}

/* =========================================================
   FIX: Installieren-Kacheln auf Hochkant-Displays kompakt
   Ganz unten in styles.css einfügen
   ========================================================= */

@media (max-width: 1240px) {
  .install-feature-grid {
    width: min(calc(100% - 36px), 780px);
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .install-feature-card {
    min-height: 0;
    display: block;
    padding: 34px 34px 30px;
  }

  .install-feature-card__top {
    min-height: 0;
    grid-template-columns: 72px 1fr;
    align-items: start;
    gap: 22px;
    margin-bottom: 30px;
  }

  .install-line-icon,
  .install-line-icon svg,
  .install-line-icon img {
    width: 58px;
    height: 58px;
  }

  .install-feature-card h3 {
    font-size: clamp(1.7rem, 4.5vw, 2.15rem);
    line-height: 1.03;
    margin-bottom: 8px;
  }

  .install-feature-card p {
    max-width: 620px;
    font-size: 1rem;
    line-height: 1.45;
  }

  .install-feature-card ul {
    margin-top: 28px;
    display: grid;
    gap: 10px;
    align-self: unset;
  }

  .install-feature-card li {
    padding-left: 46px;
    font-size: 1rem;
    line-height: 1.35;
  }

  .install-feature-card li::before {
    top: -10px;
    font-size: 2.45rem;
  }

  .install-card-footer {
    min-height: 0;
    margin-top: 30px;
    padding-top: 16px;
    font-size: 0.94rem;
  }
}

@media (max-width: 820px) and (orientation: portrait) {
  .install-platform {
    padding-top: 52px;
    padding-bottom: 58px;
  }

  .install-platform__intro {
    width: calc(100% - 32px);
    margin-bottom: 26px;
  }

  .install-platform__intro h2 {
    font-size: clamp(1.85rem, 8.6vw, 2.6rem);
    line-height: 1.04;
    letter-spacing: -0.055em;
  }

  .install-platform__intro p {
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .install-feature-grid {
    width: calc(100% - 28px);
    max-width: 620px;
    gap: 18px;
  }

  .install-feature-card {
    padding: 24px 22px 24px;
    border-radius: 14px;
    background: linear-gradient(
      135deg,
      rgba(232, 249, 255, 0.34),
      rgba(213, 240, 250, 0.24)
    );
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
  }

  .install-feature-card__top {
    grid-template-columns: 52px 1fr;
    gap: 16px;
    margin-bottom: 22px;
  }

  .install-line-icon,
  .install-line-icon svg,
  .install-line-icon img {
    width: 46px;
    height: 46px;
  }

  .install-feature-card h3 {
    font-size: clamp(1.35rem, 6vw, 1.75rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
  }

  .install-feature-card p {
    font-size: 0.94rem;
    line-height: 1.42;
  }

  .install-feature-card ul {
    margin-top: 20px;
    gap: 8px;
  }

  .install-feature-card li {
    padding-left: 34px;
    font-size: 0.94rem;
    line-height: 1.34;
  }

  .install-feature-card li::before {
    top: -7px;
    font-size: 1.95rem;
  }

  .install-card-footer {
    margin-top: 22px;
    padding-top: 13px;
    font-size: 0.88rem;
    line-height: 1.35;
  }
}

@media (max-width: 460px) {
  .install-feature-grid {
    width: calc(100% - 24px);
  }

  .install-feature-card {
    padding: 22px 18px 22px;
  }

  .install-feature-card__top {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .install-line-icon,
  .install-line-icon svg,
  .install-line-icon img {
    width: 40px;
    height: 40px;
  }

  .install-feature-card h3 {
    font-size: 1.32rem;
  }

  .install-feature-card p,
  .install-feature-card li {
    font-size: 0.91rem;
  }

  .install-feature-card li {
    padding-left: 31px;
  }

  .install-feature-card li::before {
    font-size: 1.75rem;
  }
}

/* =========================================================
   Feintuning Startseite: Leistungen-Karten
   ========================================================= */

.services-section .service-grid {
  grid-template-columns: repeat(3, minmax(300px, 360px));
  justify-content: center;
  align-items: stretch;
}

.services-section .service-card {
  width: 100%;
  min-height: 500px;
  background: rgba(255, 255, 255, 0.76);
}

.services-section .service-icon {
  width: 112px;
  height: 112px;
  top: -56px;
  background: linear-gradient(135deg, rgba(39, 158, 218, 0.96), rgba(16, 111, 167, 0.96));
  border: 10px solid rgba(255, 255, 255, 0.96);
  box-shadow: none;
}

.services-section .service-icon svg {
  width: 58px;
  height: 58px;
  color: #ffffff;
  stroke: #ffffff;
  stroke-width: 2;
}

.services-section .service-card h3 {
  text-align: center;
}

@media (max-width: 1240px) {
  .services-section .service-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 360px));
    justify-content: center;
    gap: 72px 28px;
  }

  .services-section .service-card {
    min-height: 500px;
  }
}

@media (max-width: 820px) {
  .services-section .service-grid {
    grid-template-columns: minmax(280px, 420px);
    justify-content: center;
    gap: 72px;
  }

  .services-section .service-card {
    min-height: auto;
    padding: 72px 28px 30px;
  }

  .services-section .service-icon {
    width: 104px;
    height: 104px;
    top: -52px;
    border-width: 9px;
  }

  .services-section .service-icon svg {
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .services-section .service-grid {
    grid-template-columns: 1fr;
  }

  .services-section .service-card {
    max-width: 420px;
    margin-inline: auto;
    padding-inline: 22px;
  }
}

/* =========================================================
   FIX: Header-Anfragen-Button + Zielgruppen-Karten responsive
   ========================================================= */

.nav-request > a {
  min-height: 44px;
  padding: 0 18px;
  color: #ffffff !important;
  background: linear-gradient(135deg, rgba(39, 158, 218, 0.96), rgba(16, 111, 167, 0.96));
  border: 1px solid rgba(16, 111, 167, 0.22);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(16, 111, 167, 0.18);
  white-space: nowrap;
}

.nav-request > a::after {
  display: none;
}

.nav-request > a:hover,
.nav-request:focus-within > a {
  color: #071827 !important;
  background: #f2d313;
  border-color: #f2d313;
}

.nav-request__hover {
  display: none;
}

.nav-request:hover .nav-request__default,
.nav-request:focus-within .nav-request__default {
  display: none;
}

.nav-request:hover .nav-request__hover,
.nav-request:focus-within .nav-request__hover {
  display: inline;
}

.nav-request .nav-dropdown-menu {
  min-width: 230px;
}

.nav-request .nav-dropdown-menu a {
  font-weight: 820;
}

/* Zielgruppen-Karten genauso behandeln wie die Leistungskarten */

.target-section .target-grid {
  grid-template-columns: repeat(3, minmax(300px, 360px));
  justify-content: center;
  align-items: stretch;
}

.target-section .target-card {
  width: 100%;
  min-height: 500px;
}

@media (max-width: 1240px) {
  .target-section .target-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 360px));
    justify-content: center;
    gap: 34px;
  }

  .target-section .target-card {
    min-height: 500px;
  }

  .target-section .target-card p {
    min-height: 116px;
  }
}

@media (max-width: 820px) {
  .target-section .target-grid {
    grid-template-columns: minmax(280px, 420px);
    justify-content: center;
    gap: 34px;
  }

  .target-section .target-card {
    min-height: auto;
    padding: 30px 28px;
  }

  .target-section .target-card p {
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .nav-request > a {
    width: 100%;
    min-height: 48px;
    border-radius: 10px;
    justify-content: center;
  }

  .target-section .target-grid {
    grid-template-columns: 1fr;
  }

  .target-section .target-card {
    max-width: 420px;
    margin-inline: auto;
    padding-inline: 22px;
  }
}

/* ============================================================
   Mobile-Fix: erster Abschnitt / Hero
   Baldur Sol Consulting
   Bitte ganz unten ans Ende der bestehenden styles.css setzen.
   ============================================================ */

@media (max-width: 760px) {
  :root {
    --header: 82px;
    --page: 18px;
  }

  .site-header {
    height: var(--header);
  }

  .navbar {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 0 16px;
  }

  .brand img {
    width: min(230px, 68vw);
    max-height: 72px;
  }

  /* Startseite Hero */
  .hero {
    min-height: auto;
    display: block;
  }

  .hero__image {
    min-height: 230px;
    background-position: center;
  }

  .hero__content {
    min-height: auto;
    padding: 26px 16px 34px;
    align-content: start;
  }

  .hero__panel {
    padding: 24px 18px;
  }

  .hero__panel h1,
  .hero h1 {
    max-width: 100%;
    font-size: clamp(2rem, 10vw, 3rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
    overflow-wrap: anywhere;
    word-break: normal;
    hyphens: auto;
  }

  .hero__lead {
    font-size: 1rem;
    line-height: 1.55;
  }

  .hero__actions {
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hero__actions .btn,
  .hero .btn {
    width: 100%;
    min-width: 0;
  }

  .hero__facts {
    margin-top: 30px;
    gap: 20px;
  }

  .hero__facts article {
    grid-template-columns: 48px 1fr;
    gap: 16px;
    align-items: start;
  }

  .hero-icon {
    width: 46px;
    height: 46px;
  }

  .hero-icon svg {
    width: 26px;
    height: 26px;
  }

  .hero__facts strong {
    font-size: 1.22rem;
  }

  .hero__note {
    padding: 22px 18px;
  }

  /* Installieren-Seite Hero */
  .install-hero {
    min-height: auto;
    display: block;
    overflow: visible;
  }

  .install-hero::before {
    background-image:
      linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.96) 0%,
        rgba(255, 255, 255, 0.9) 48%,
        rgba(255, 255, 255, 0.82) 100%
      ),
      url("assets/agri-solar.jpg");
    background-position: center top;
  }

  .install-hero__copy {
    width: auto;
    min-height: auto;
    margin: 0;
    padding: 44px 18px 52px;
    justify-content: flex-start;
  }

  .install-eyebrow {
    margin-bottom: 24px;
    font-size: 0.86rem;
    line-height: 1.35;
    letter-spacing: 0.08em;
  }

  .install-hero h1 {
    max-width: 100%;
    margin-bottom: 24px;
    font-size: clamp(2.15rem, 11vw, 3.35rem);
    line-height: 1.02;
    letter-spacing: -0.06em;
    overflow-wrap: anywhere;
    word-break: normal;
    hyphens: auto;
  }

  .install-hero__lead {
    max-width: 100%;
    padding-left: 18px;
    font-size: 1rem;
    line-height: 1.55;
  }

  .install-hero__checks {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 28px;
  }

  .install-hero__checks span {
    white-space: normal;
    font-size: 1rem;
  }

  .install-hero__checks svg {
    width: 34px;
    height: 34px;
  }

  /* Investieren / Verpachten erster Abschnitt */
  .investment-section {
    min-height: auto;
    padding: 42px 18px 52px;
    align-items: flex-start;
  }

  .investment-box {
    padding: 24px 18px;
  }

  .investment-box h1,
  .investment-box h2 {
    max-width: 100%;
    font-size: clamp(2.05rem, 10vw, 3.2rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
    overflow-wrap: anywhere;
    word-break: normal;
    hyphens: auto;
  }

  .investment-box p {
    font-size: 1rem;
    line-height: 1.58;
  }

  .investment-box .btn {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 420px) {
  .hero__panel h1,
  .hero h1,
  .install-hero h1,
  .investment-box h1,
  .investment-box h2 {
    font-size: clamp(1.9rem, 11vw, 2.75rem);
  }

  .section-label {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    gap: 9px;
  }

  .section-label::before {
    width: 24px;
  }
}