:root {
  --ink: #21384f;
  --muted: #66798b;
  --line: #d9e7f2;
  --paper: #ffffff;
  --soft: #f3f8fc;
  --water: #1f70b7;
  --leaf: #8fb9dc;
  --signal: #1f70b7;
  --shadow: 0 10px 26px rgba(33, 56, 79, 0.08);
  --radius: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.topbar {
  background: var(--water);
  color: #fff;
  font-size: 0.86rem;
}

.topbar-inner,
.nav-inner,
.section-inner {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.32rem 0;
}

.topbar a {
  text-decoration: none;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 66px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.1;
  min-width: 300px;
  margin-left: -32px;
}

.brand-logo {
  width: 120px;
  height: 45px;
  object-fit: contain;
  object-position: right center;
  margin-left: 1.8rem;
}

.brand-copy {
  display: grid;
  gap: 0.18rem;
  margin-left: 1.35rem;
}

.brand-copy strong {
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1.18;
}

.brand-copy em {
  display: block;
  color: var(--water);
  font-size: 0.78rem;
  font-weight: 700;
  font-style: normal;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
  min-width: 44px;
  min-height: 44px;
  color: var(--ink);
}

.nav-toggle span {
  display: block;
  width: 21px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a {
  padding: 0.58rem 0.72rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--water);
  background: var(--soft);
}

.site-nav .nav-cta {
  background: var(--signal);
  color: #fff;
  margin-left: 0.35rem;
}

.site-nav .nav-cta:hover {
  background: #185a93;
  color: #fff;
}

.hero {
  min-height: 42vh;
  display: grid;
  align-items: center;
  position: relative;
  isolation: isolate;
  color: var(--ink);
  overflow: hidden;
}

.hero.compact {
  min-height: 28vh;
}

.home-hero {
  min-height: 30vh;
}

.hero.has-video {
  min-height: 44vh;
  color: #fff;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 220ms ease;
}

.hero-video.is-ready {
  opacity: 1;
}

.hero.has-video::before {
  display: none;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("../img/hero.jpg") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.84) 48%, rgba(255, 255, 255, 0.58)),
    linear-gradient(0deg, rgba(214, 232, 246, 0.38), rgba(255, 255, 255, 0.05));
}

.hero.has-video::after {
  background:
    linear-gradient(90deg, rgba(20, 43, 64, 0.82), rgba(20, 43, 64, 0.54) 48%, rgba(20, 43, 64, 0.18)),
    linear-gradient(0deg, rgba(20, 43, 64, 0.38), rgba(20, 43, 64, 0.06));
}

.hero-content {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
  padding: 2.7rem 0 3rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1rem;
  color: var(--water);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero .eyebrow {
  color: var(--water);
}

.hero.has-video .eyebrow {
  color: #dceeff;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 3px;
  background: var(--leaf);
  border-radius: 999px;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2rem, 4.3vw, 3.55rem);
}

.compact h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

.home-hero h1 {
  max-width: 720px;
  font-size: clamp(1.8rem, 3.4vw, 2.9rem);
}

.lead {
  max-width: 740px;
  margin: 1rem 0 0;
  font-size: 1.08rem;
}

.hero .lead {
  color: var(--muted);
}

.hero.has-video .lead {
  color: rgba(255, 255, 255, 0.88);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.66rem 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--signal);
  color: #fff;
}

.button.secondary {
  background: #fff;
  color: var(--water);
  border-color: var(--line);
}

.button.outline {
  border-color: var(--line);
  background: transparent;
  color: var(--water);
}

.section {
  padding: 4rem 0;
}

.section.soft {
  background: var(--soft);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.8rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.55rem);
}

.section-header p {
  color: var(--muted);
  margin: 0;
}

.intro-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 1.7rem;
  align-items: center;
}

.brunnen-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  align-items: start;
}

.landscape-layout {
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1fr);
}

.intro-panel {
  border-left: 3px solid var(--water);
  padding-left: 1rem;
  font-size: 1.06rem;
  font-weight: 800;
}

.service-grid,
.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.service-list {
  display: grid;
  gap: 1rem;
}

.media-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.media-row.service-row {
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 1.15rem;
  padding: 0.95rem;
}

.media-row img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.media-row.service-row img {
  aspect-ratio: 1 / 1;
}

.media-row h2,
.media-row h3 {
  font-size: 1.18rem;
  margin-bottom: 0.45rem;
}

.media-row p {
  margin: 0 0 0.45rem;
  color: var(--muted);
}

.service-card,
.fact-card,
.contact-card,
.notice,
.legal-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.service-card,
.fact-card {
  padding: 1rem;
}

.service-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 0.85rem;
}

.service-card h3,
.fact-card h3 {
  font-size: 1.12rem;
  margin-bottom: 0.45rem;
}

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

.archive-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.archive-item {
  border-top: 3px solid var(--line);
  padding-top: 0.8rem;
}

.archive-item time {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.archive-item h3 {
  font-size: 1.08rem;
  margin-bottom: 0.35rem;
}

.archive-item p {
  margin: 0;
  color: var(--muted);
}

.feature-list,
.plain-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 1.1rem 0 0;
  list-style: none;
}

.feature-list li,
.plain-list li {
  position: relative;
  padding-left: 1.6rem;
}

.feature-list li::before,
.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--leaf);
  border-radius: 50%;
}

.image-stack {
  display: grid;
  gap: 1rem;
}

.image-stack img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
}

.image-stack img:first-child {
  aspect-ratio: 4 / 3;
}

.image-stack .portrait-image {
  width: min(100%, 440px);
  max-height: 680px;
  aspect-ratio: auto;
  object-fit: contain;
  margin-inline: auto;
}

.image-stack .landscape-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-inline: auto;
}

.image-stack .compact-image {
  width: min(100%, 360px);
  aspect-ratio: auto;
  object-fit: contain;
  margin-inline: auto;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  counter-reset: step;
}

.process-item {
  border-top: 3px solid var(--water);
  padding: 0.9rem 0.75rem 0;
  counter-increment: step;
}

.process-item::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 0.6rem;
  color: var(--water);
  font-weight: 900;
}

.notice {
  padding: 1rem;
  margin-top: 1rem;
}

.notice strong {
  color: var(--water);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.guarantee-card {
  padding: 0.95rem;
  border: 1px solid var(--water);
  border-radius: var(--radius);
  background: #fff;
}

.guarantee-card strong {
  display: block;
  color: var(--water);
  font-size: 1.02rem;
  line-height: 1.25;
}

.guarantee-card p {
  margin: 0.45rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.video-panel {
  width: min(100%, 520px);
  margin-inline: auto;
}

.video-panel video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.klo-button {
  display: inline-flex;
  justify-self: end;
  align-self: start;
  width: 42px;
  margin-top: 0.35rem;
  text-decoration: none;
  transition: transform 160ms ease;
}

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

.klo-button img {
  width: 100%;
  height: auto;
}

.footer-meta {
  justify-items: end;
  text-align: right;
}

.klo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 2rem;
  align-items: start;
}

.narrow-copy {
  max-width: 820px;
}

.klo-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 2rem;
  align-items: start;
}

.klo-lead-image {
  width: 100%;
  border-radius: 0;
  border: 0;
  margin: 0;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 9%, #000 91%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 9%, #000 91%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 9%, #000 91%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 9%, #000 91%, transparent 100%);
  mask-composite: intersect;
}

.klo-collage {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem;
  background: #fff;
}

.klo-collage img {
  width: 100%;
  border-radius: 4px;
}

.klo-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.klo-content article {
  display: grid;
  align-content: start;
  gap: 0.8rem;
}

.klo-content p {
  margin: 0;
  color: var(--muted);
}

.klo-image-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 0.4rem 0;
}

.klo-image-row img {
  max-width: 150px;
  max-height: 180px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 0.35rem;
}

.klo-model-link {
  display: inline-block;
  margin-top: 1.5rem;
}

.klo-model-link img {
  width: 150px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem;
  text-align: left;
  vertical-align: top;
}

.data-table thead th {
  background: var(--water);
  color: #fff;
}

.data-table thead span {
  font-weight: 600;
  opacity: 0.86;
}

.data-table tbody th {
  color: var(--water);
  width: 30%;
}

.klo-collage-wide {
  width: min(100%, 560px);
  margin-inline: auto;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.klo-collage-wide img {
  width: 100%;
  border-radius: 4px;
}

.klo-thumb-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.7rem;
  align-items: center;
}

.klo-thumb-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 0.35rem;
}

.more-intro {
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.75fr);
}

.more-intro img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.stagger-list {
  display: grid;
  gap: 1.2rem;
}

.stagger-item {
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 0.82fr);
  gap: 1.5rem;
  align-items: center;
  width: min(100%, 920px);
}

.stagger-item.is-offset {
  justify-self: end;
  grid-template-columns: minmax(0, 0.82fr) minmax(260px, 0.58fr);
}

.stagger-item.is-offset img {
  order: 2;
}

.stagger-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.stagger-item span {
  display: inline-block;
  color: var(--water);
  font-weight: 800;
  margin-bottom: 0.55rem;
}

.stagger-item h2 {
  margin-bottom: 0.55rem;
}

.stagger-item p {
  color: var(--muted);
  margin: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  align-items: start;
}

.contact-card {
  padding: 1.15rem;
}

.contact-card a {
  color: var(--water);
  font-weight: 800;
  text-decoration: none;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 46px;
  padding: 0.75rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.legal-box {
  padding: 1.25rem;
  max-width: 760px;
}

.legal-title {
  font-size: clamp(1.6rem, 2.2vw, 2.05rem);
}

.legal-box h2 {
  margin: 0 0 0.7rem;
}

.legal-box h2 + p,
.legal-box h2 + ul {
  margin-top: 0;
}

.legal-box p {
  margin: 0.4rem 0 1rem 1.2rem;
}

.legal-box ul {
  margin: 0.4rem 0 1rem 2.4rem;
  padding: 0;
}

.legal-box li + li {
  margin-top: 0.35rem;
}

.cta-band {
  background: var(--water);
  color: #fff;
  padding: 2.7rem 0;
}

.cta-band .section-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cta-band h2 {
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.78);
  margin: 0.7rem 0 0;
}

.site-footer {
  background: #1f3448;
  color: #fff;
  padding: 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr 0.7fr;
  gap: 2rem;
}

.site-footer a {
  color: #fff;
  text-decoration: none;
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

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

.site-footer .small {
  color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 880px) {
  .topbar-inner {
    flex-direction: column;
    gap: 0.1rem;
  }

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

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);
    display: grid;
    padding: 0.7rem;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform-origin: top;
    transform: scaleY(0.96);
    opacity: 0;
    visibility: hidden;
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  }

  .site-nav.is-open {
    transform: scaleY(1);
    opacity: 1;
    visibility: visible;
  }

  .site-nav .nav-cta {
    margin-left: 0;
  }

  .hero,
  .hero.compact {
    min-height: 48vh;
  }

  .home-hero {
    min-height: 34vh;
  }

  .section-header,
  .intro-grid,
  .split,
  .brunnen-layout,
  .landscape-layout,
  .more-intro,
  .stagger-item,
  .stagger-item.is-offset,
  .klo-layout,
  .klo-intro,
  .klo-content,
  .contact-layout,
  .cta-band .section-inner,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .fact-grid,
  .archive-list {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .stagger-item.is-offset img {
    order: 0;
  }

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

@media (max-width: 560px) {
  .topbar {
    display: none;
  }

  .nav-inner {
    min-height: 68px;
  }

  .brand {
    gap: 0.05rem;
    min-width: 0;
    margin-left: -12px;
  }

  .brand-logo {
    width: 81px;
    height: 32px;
    margin-left: 0.9rem;
  }

  .brand-copy strong {
    font-size: 0.78rem;
  }

  .brand-copy em {
    font-size: 0.74rem;
  }

  .hero,
  .hero.compact {
    min-height: auto;
  }

  .home-hero {
    min-height: auto;
  }

  .hero.has-video {
    min-height: 55vh;
  }

  .hero-content {
    padding: 2.6rem 0 3rem;
  }

  .section {
    padding: 3rem 0;
  }

  .service-grid,
  .fact-grid,
  .archive-list,
  .process {
    grid-template-columns: 1fr;
  }

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

  .klo-button {
    width: 38px;
  }

  .media-row {
    grid-template-columns: 1fr;
  }

  .media-row.service-row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .actions,
  .cta-band .actions {
    display: grid;
  }

  .button {
    width: 100%;
  }
}