/* Eigenständiges Durmaz-Design. Keine Template- oder Framework-Abhängigkeit. */
:root {
    --navy: #091d30;
    --ink: #102b41;
    --blue: #0089b8;
    --cyan: #00a6d7;
    --muted: #5f6e78;
    --pale: #f1f5f6;
    --line: #dce4e8;
    --font: 'Roboto', Arial, sans-serif;
    --heading: 'Montserrat', Arial, sans-serif
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 110px
}

body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font: 400 17px/1.8 var(--font);
    -webkit-font-smoothing: antialiased
}

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

button, input {
    font: inherit
}

button, a {
    touch-action: manipulation
}

button {
    cursor: pointer
}

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

svg {
    display: block
}

h1, h2, h3, h4, p {
    margin: 0
}

h1, h2, h3, h4 {
    font-family: var(--heading);
    font-weight: 700;
    line-height: 1.16;
    letter-spacing: -1.8px
}

h1 {
    font-size: clamp(44px, 5.5vw, 80px)
}

h2 {
    font-size: clamp(34px, 3.4vw, 50px)
}

h3 {
    font-size: 23px;
    letter-spacing: -.6px
}

p + p {
    margin-top: 20px
}

em {
    color: var(--blue);
    font-style: normal
}

address {
    font-style: normal
}

[hidden] {
    display: none !important
}

::selection {
    background: var(--cyan);
    color: #fff
}

a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
    outline: 3px solid var(--cyan);
    outline-offset: 5px
}

.container {
    width: calc(100% - 96px);
    max-width: 1280px;
    margin-inline: auto
}

.narrow {
    max-width: 860px
}

.section {
    padding: 110px 0
}

.section-light {
    background: var(--pale)
}

.section-dark {
    background: var(--navy);
    color: #fff
}

.eyebrow {
    font: 700 11px/1.6 var(--heading);
    letter-spacing: 2.1px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 24px
}

.lead {
    font-size: 23px;
    line-height: 1.65;
    color: var(--ink);
    font-weight: 300
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    background: var(--blue);
    border: 1px solid var(--blue);
    color: #fff;
    padding: 17px 24px;
    font-weight: 500;
    font-size: 15px;
    line-height: 1.5;
    transition: background .25s, transform .25s;
    min-height: 54px
}

.button > span {
    font-size: 21px;
    line-height: 1
}

.button:hover {
    background: #006d96;
    border-color: #006d96;
    transform: translateY(-2px)
}

.button-white {
    background: #fff;
    border-color: #fff;
    color: var(--ink)
}

.button-white:hover {
    background: var(--navy);
    border-color: var(--navy);
    color: white
}

.button-outline-light {
    background: transparent;
    border-color: #5e7587;
    color: white
}

.button-outline-light:hover {
    background: #fff;
    border-color: #fff;
    color: var(--navy)
}

.button-small {
    padding: 12px 18px;
    font-size: 14px;
    min-height: 48px
}

.text-link {
    display: inline-flex;
    gap: 28px;
    align-items: center;
    color: var(--blue);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid #a2c8d7;
    padding-bottom: 8px;
    margin-top: 25px;
    transition: gap .25s
}

.text-link:hover {
    gap: 38px
}

.button-row {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 32px;
    flex-wrap: wrap
}

.skip-link {
    position: fixed;
    z-index: 200;
    top: 10px;
    left: 10px;
    padding: 12px 20px;
    background: #fff;
    transform: translateY(-150%)
}

.skip-link:focus {
    transform: none
}

.contact-bar {
    background: var(--navy);
    color: #c3d0d8;
    font-size: 12px;
    padding: 8px 0
}

.contact-bar .container {
    display: flex;
    justify-content: space-between;
    gap: 20px
}

.contact-bar .container > div {
    display: flex;
    gap: 30px
}

.contact-bar a:hover {
    color: white
}

.site-header {
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 50;
    border-bottom: 1px solid #e9eef1;
    transition: box-shadow .2s
}

.site-header.scrolled {
    box-shadow: 0 8px 24px #071d3012
}

.nav-shell {
    height: 98px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px
}

.brand {
    flex-shrink: 0
}

.brand img {
    width: 230px;
    height: auto
}

#hauptnavigation {
    display: flex;
    align-items: center;
    gap: 30px
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 27px;
    margin: 0;
    padding: 0
}

.nav-list a {
    font-size: 14px;
    font-weight: 500;
    position: relative;
    padding: 35px 0;
    white-space: nowrap
}

.nav-list a:after {
    content: '';
    position: absolute;
    bottom: 22px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s
}

.nav-list a:hover:after, .nav-list a.is-current:after {
    transform: scaleX(1)
}

.menu-toggle {
    display: none
}

.hero {
    position: relative;
    isolation: isolate;
    background: var(--navy);
    color: #fff;
    overflow: hidden;
    min-height: 710px
}

.hero-backdrops, .hero-backdrop {
    position: absolute;
    inset: 0;
    z-index: -2
}

.hero-backdrop {
    background-size: cover;
    background-position: 75% 45%;
    opacity: 0;
    transform: scale(1.025);
    transition: opacity 1.2s ease, transform 8s linear
}

.hero-backdrop.is-active {
    opacity: 1;
    transform: scale(1.08)
}

.hero:before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(5, 21, 36, .97), rgba(5, 21, 36, .87) 38%, rgba(5, 21, 36, .28) 78%, rgba(5, 21, 36, .3)), linear-gradient(0deg, rgba(5, 21, 36, .65), transparent 35%);
    z-index: -1
}

.hero:after {
    content: '';
    position: absolute;
    top: 0;
    right: 12%;
    width: 1px;
    height: 100%;
    background: #ffffff1c;
    pointer-events: none
}

.hero-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 605px;
    gap: 40px;
    padding: 55px 0 45px
}

.hero-copy {
    max-width: 820px
}

.hero .eyebrow {
    color: #c1e7f3;
    display: flex;
    align-items: center;
    gap: 12px
}

.status-dot {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #31c7f2;
    box-shadow: 0 0 0 5px #31c7f21a
}

.hero h1 {
    font-size: clamp(44px, 5.4vw, 78px);
    line-height: 1.12;
    letter-spacing: -3px
}

.hero h1 span {
    color: #4dc7ed
}

.hero-copy > p:not(.eyebrow) {
    font-size: 19px;
    line-height: 1.8;
    color: #d2dce2;
    max-width: 600px;
    margin-top: 27px
}

.hero-link {
    font-size: 14px;
    border-bottom: 1px solid #a1b3be;
    padding-bottom: 6px;
    display: flex;
    gap: 25px;
    align-items: center
}

.hero-link:hover {
    color: #4dc7ed
}

.hero-photo-label {
    align-self: flex-end;
    max-width: 230px;
    border-left: 2px solid var(--cyan);
    padding-left: 18px;
    margin-bottom: 50px;
    flex-shrink: 0
}

.hero-photo-label span {
    display: block;
    color: #c7d1d8;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px
}

.hero-photo-label strong {
    display: block;
    font: 400 17px/1.5 var(--heading)
}

.hero-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #ffffff30;
    min-height: 100px;
    gap: 25px
}

.hero-footnote {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #c1d0da
}

.hero-controls {
    display: flex;
    gap: 12px;
    align-items: center
}

.slide-dot {
    border: 0;
    border-bottom: 2px solid #ffffff35;
    background: transparent;
    color: #9dabb5;
    padding: 12px 12px 14px;
    font-size: 12px;
    min-width: 48px;
    transition: color .2s, border-color .2s
}

.slide-dot.is-active {
    color: white;
    border-color: var(--cyan)
}

.hero-pause {
    background: transparent;
    color: #fff;
    border: 1px solid #ffffff40;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    font-size: 13px;
    margin-left: 12px
}

.scroll-cue {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 24px
}

.scroll-cue span {
    font-size: 24px
}

.scope-strip {
    border-bottom: 1px solid var(--line)
}

.scope-strip .container {
    display: grid;
    grid-template-columns:repeat(4, 1fr)
}

.scope-strip span {
    font-size: 12px;
    text-align: center;
    padding: 24px 15px;
    border-right: 1px solid var(--line);
    font-weight: 500
}

.scope-strip span:last-child {
    border-right: 0
}

.intro-grid {
    display: grid;
    grid-template-columns:1fr 1.12fr;
    gap: 100px;
    align-items: start
}

.intro-copy p:not(.lead), .story-copy p:not(.lead) {
    color: var(--muted)
}

.intro-copy .lead {
    margin-bottom: 27px
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 70px;
    margin-bottom: 52px
}

.section-heading > p {
    max-width: 420px;
    color: var(--muted)
}

.section-dark .eyebrow {
    color: #43bce2
}

.section-heading > .button {
    flex-shrink: 0
}

.service-grid {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 22px
}

.service-card {
    background: white;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 18px #071d3006;
    transition: transform .3s, box-shadow .3s
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 32px #071d3014
}

.service-photo {
    height: 235px;
    overflow: hidden;
    position: relative
}

.service-photo img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform .6s
}

.service-card:hover .service-photo img {
    transform: scale(1.05)
}

.service-number {
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--navy);
    color: #fff;
    font-family: var(--heading);
    padding: 7px 16px;
    font-size: 12px
}

.service-card-body {
    padding: 27px 24px 29px;
    display: flex;
    flex-direction: column;
    flex: 1
}

.service-icon {
    color: var(--blue);
    margin-bottom: 22px
}

.service-icon svg {
    width: 32px;
    height: 32px
}

.service-card h3 {
    font-size: 21px;
    letter-spacing: -.7px;
    margin-bottom: 17px;
    overflow-wrap: break-word
}

.service-card p {
    font-size: 15px;
    line-height: 1.75;
    color: var(--muted);
    margin-bottom: 25px
}

.service-card .text-link {
    font-size: 12px;
    margin-top: auto;
    justify-content: space-between;
    gap: 8px;
    padding-bottom: 0;
    border: 0
}

.image-story {
    display: grid;
    grid-template-columns:1fr 1fr;
    align-items: center;
    gap: 90px
}

.story-media {
    position: relative
}

.story-media > img {
    width: 100%;
    height: 670px;
    object-fit: cover
}

.image-note {
    position: absolute;
    bottom: 0;
    right: -24px;
    background: var(--blue);
    color: #fff;
    padding: 30px 35px;
    min-width: 265px
}

.image-note span {
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px
}

.image-note strong {
    font: 700 21px/1.5 var(--heading)
}

.story-copy h2 {
    margin-bottom: 28px
}

.story-copy .lead {
    margin-bottom: 24px
}

.check-list {
    list-style: none;
    margin: 27px 0;
    padding: 0
}

.check-list li {
    padding: 11px 0 11px 30px;
    position: relative;
    border-bottom: 1px solid var(--line);
    font-size: 15px
}

.check-list li:before {
    content: '↗';
    color: var(--blue);
    position: absolute;
    left: 0;
    font-size: 18px
}

.project-gallery {
    display: grid;
    grid-template-columns:1.25fr 1fr 1fr;
    gap: 25px
}

.project-photo {
    position: relative;
    overflow: hidden;
    height: 405px;
    display: block
}

.project-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s
}

.project-photo:hover img {
    transform: scale(1.05)
}

.project-photo:after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, #031629dd, transparent 65%)
}

.project-photo > span {
    position: absolute;
    bottom: 28px;
    left: 25px;
    right: 25px;
    z-index: 1;
    font-family: var(--heading);
    font-size: 17px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center
}

.project-photo i {
    font-style: normal;
    font-size: 25px;
    color: #49c6ec
}

.reference-teaser {
    padding-top: 45px;
    margin-top: 50px;
    border-top: 1px solid #ffffff25;
    display: flex;
    align-items: center;
    gap: 45px
}

.reference-teaser > p {
    font-size: 11px;
    text-transform: uppercase;
    color: #aac0cf;
    letter-spacing: 1px;
    max-width: 120px
}

.reference-teaser > div {
    display: flex;
    flex: 1;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap
}

.reference-teaser > div span {
    font-family: var(--heading);
    font-size: 14px;
    color: #d2dde4
}

.reference-teaser > a {
    font-size: 13px;
    white-space: nowrap;
    color: #4dc7ed
}

.steps {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 50px
}

.steps article {
    border-top: 1px solid var(--line);
    padding-top: 28px
}

.steps article > span {
    font-family: var(--heading);
    font-size: 13px;
    color: var(--blue);
    display: block;
    margin-bottom: 24px
}

.steps h3 {
    font-size: 22px;
    margin-bottom: 17px
}

.steps p {
    font-size: 16px;
    color: var(--muted)
}

.contact-teaser {
    position: relative;
    overflow: hidden;
    background: var(--blue);
    color: #fff;
    padding: 90px 0
}

.teaser-grid {
    display: grid;
    grid-template-columns:1.15fr 1fr;
    gap: 100px;
    position: relative;
    z-index: 1
}

.contact-teaser .eyebrow {
    color: #d2f2fc
}

.contact-teaser h2 {
    font-size: clamp(33px, 3.3vw, 48px)
}

.contact-teaser p:not(.eyebrow) {
    color: #e3f4fa;
    max-width: 500px
}

.contact-teaser .button {
    margin-top: 27px
}

.teaser-phone {
    display: block;
    font-size: 14px;
    margin-top: 18px
}

.teaser-lines {
    position: absolute;
    right: -10%;
    bottom: -170px;
    width: 650px;
    fill: none;
    stroke: #ffffff16;
    stroke-width: 2;
    pointer-events: none
}

.site-footer {
    background: var(--navy);
    color: #acbecb;
    padding: 80px 0 0;
    font-size: 14px
}

.footer-grid {
    display: grid;
    grid-template-columns:1.35fr .85fr 1.1fr 1.1fr;
    gap: 50px;
    padding-bottom: 65px
}

.footer-logo {
    width: 230px;
    height: auto;
    margin-bottom: 25px
}

.footer-grid h2 {
    color: #fff;
    font-size: 13px;
    letter-spacing: 0;
    margin: 9px 0 25px
}

.footer-grid > div > a:not(:first-child) {
    display: block;
    margin-bottom: 10px
}

.footer-grid > div:first-child p {
    font-size: 13px;
    line-height: 1.8
}

.footer-grid a:hover {
    color: #fff
}

.footer-contact {
    color: #46c4e9;
    margin-top: 24px
}

.footer-grid > div:last-child {
    overflow-wrap: anywhere
}

.footer-bottom {
    border-top: 1px solid #ffffff1e;
    padding: 25px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    font-size: 11px
}

.footer-bottom > div {
    display: flex;
    gap: 25px
}

.page-intro {
    position: relative;
    overflow: hidden;
    background: var(--pale);
    padding: 35px 0 85px
}

.breadcrumbs {
    font-size: 11px;
    color: var(--muted);
    display: flex;
    gap: 15px;
    margin-bottom: 52px
}

.breadcrumbs a:hover {
    color: var(--blue)
}

.page-intro h1 {
    max-width: 1080px;
    font-size: clamp(40px, 5vw, 72px);
    letter-spacing: -2.5px
}

.page-intro .lead {
    max-width: 760px;
    margin-top: 27px;
    font-size: 21px;
    color: var(--muted)
}

.intro-rule {
    position: absolute;
    width: 8px;
    top: 120px;
    bottom: 85px;
    right: 0;
    background: var(--cyan)
}

.compact {
    gap: 80px;
    margin-bottom: 65px
}

.equipment-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 25px
}

.equipment-grid article {
    padding: 30px;
    border: 1px solid var(--line)
}

.equipment-grid article > span {
    color: var(--blue);
    font-size: 12px;
    display: block;
    margin-bottom: 20px
}

.equipment-grid h3 {
    font-size: 22px;
    margin-bottom: 16px
}

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

.faq {
    margin-top: 40px
}

.faq details {
    border-top: 1px solid var(--line);
    padding: 23px 0
}

.faq details:last-child {
    border-bottom: 1px solid var(--line)
}

.faq summary {
    font: 700 17px/1.5 var(--heading);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 20px
}

.faq summary::-webkit-details-marker {
    display: none
}

.faq summary:after {
    content: '+';
    color: var(--blue);
    font-size: 25px;
    line-height: 1
}

.faq details[open] summary:after {
    content: '−'
}

.faq details p {
    margin-top: 20px;
    color: var(--muted);
    font-size: 16px
}

.detail-grid {
    display: grid;
    grid-template-columns:minmax(0, 1fr) 340px;
    gap: 90px;
    align-items: start
}

.prose h2 {
    font-size: 30px;
    letter-spacing: -1px;
    margin: 42px 0 20px
}

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

.detail-photo {
    width: 100%;
    height: 440px;
    object-fit: cover
}

.detail-sidebar {
    position: sticky;
    top: 130px
}

.sidebar-box {
    background: var(--navy);
    color: white;
    padding: 32px;
    margin-bottom: 25px
}

.sidebar-box .eyebrow {
    color: #4ac3e9
}

.sidebar-box h2 {
    font-size: 26px;
    letter-spacing: -.7px
}

.sidebar-box .check-list li {
    border-color: #ffffff25;
    font-size: 14px
}

.sidebar-box .button {
    width: 100%;
    margin-top: 10px;
    font-size: 13px;
    gap: 10px
}

.sidebar-light {
    background: var(--pale);
    color: var(--ink)
}

.sidebar-light h3 {
    font-size: 20px;
    margin-bottom: 20px
}

.sidebar-link {
    font-size: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 10px
}

.sidebar-link:hover {
    color: var(--blue)
}

.reference-tools {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 30px;
    background: var(--pale);
    padding: 20px 25px
}

.reference-tools label {
    font-size: 13px;
    font-weight: 500
}

.reference-tools input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--line);
    background: #fff;
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 0
}

.reference-tools > span {
    font-size: 12px;
    color: var(--muted);
    min-width: 85px
}

.reference-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 20px
}

.reference-card {
    border: 1px solid var(--line);
    padding: 30px;
    min-height: 195px;
    position: relative;
    transition: border-color .25s
}

.reference-card:hover {
    border-color: var(--cyan)
}

.reference-index {
    display: block;
    font-size: 11px;
    color: var(--blue);
    margin-bottom: 25px
}

.reference-card p {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 10px
}

.reference-card h2 {
    font-size: 21px;
    letter-spacing: -.5px;
    line-height: 1.35
}

.masonry-gallery {
    columns: 3;
    column-gap: 28px
}

.masonry-gallery figure {
    break-inside: avoid;
    margin: 0 0 38px
}

.masonry-gallery figure a {
    position: relative;
    display: block;
    overflow: hidden
}

.masonry-gallery img {
    width: 100%;
    height: auto;
    transition: transform .5s
}

.masonry-gallery a:hover img {
    transform: scale(1.025)
}

.zoom-mark {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 48px;
    height: 48px;
    background: var(--blue);
    color: #fff;
    font-size: 25px;
    display: grid;
    place-items: center
}

.masonry-gallery figcaption {
    display: flex;
    gap: 16px;
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--muted)
}

.masonry-gallery figcaption > span {
    font-size: 11px;
    color: var(--blue);
    padding-top: 2px
}

.contact-grid {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 100px;
    align-items: start
}

.contact-grid .lead {
    margin-top: 25px;
    font-size: 20px;
    color: var(--muted)
}

.contact-options {
    margin: 32px 0
}

.contact-options a {
    padding: 18px 0;
    display: block;
    border-bottom: 1px solid var(--line);
    position: relative
}

.contact-options span {
    display: block;
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px
}

.contact-options strong {
    font: 400 23px/1.6 var(--heading);
    overflow-wrap: anywhere;
    padding-right: 25px;
    display: block
}

.contact-options i {
    position: absolute;
    right: 0;
    top: 35px;
    color: var(--blue);
    font-style: normal
}

.contact-grid address {
    font-size: 15px
}

.request-card {
    background: var(--pale);
    padding: 44px
}

.request-card h2 {
    font-size: 33px;
    margin-bottom: 25px
}

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

.request-card ol {
    list-style: none;
    counter-reset: request;
    padding: 0;
    margin: 25px 0
}

.request-card li {
    counter-increment: request;
    position: relative;
    padding: 19px 0 19px 42px;
    border-bottom: 1px solid var(--line)
}

.request-card li:before {
    content: '0' counter(request);
    position: absolute;
    left: 0;
    top: 22px;
    font-size: 11px;
    color: var(--blue)
}

.request-card li strong {
    font-size: 15px;
    font-weight: 500;
    display: block
}

.request-card li span {
    font-size: 14px;
    color: var(--muted);
    display: block;
    margin-top: 5px
}

.request-card .button {
    margin-top: 7px
}

.request-card .small-note {
    font-size: 12px;
    margin-top: 16px;
    line-height: 1.6
}

.lightbox {
    background: var(--navy);
    color: #fff;
    border: 0;
    padding: 60px 20px 18px;
    max-width: 94vw;
    max-height: 94vh;
    width: max-content;
    overflow: auto
}

.lightbox::backdrop {
    background: #031321ed
}

.lightbox > img {
    max-width: 86vw;
    max-height: 73vh;
    width: auto;
    height: auto;
    margin: auto
}

.lightbox > p {
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
    margin: 17px auto 0;
    max-width: 650px
}

.lightbox-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: transparent;
    border: 1px solid #68818f;
    padding: 5px 14px;
    color: white;
    font-size: 13px
}

.lightbox-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 17px
}

.lightbox-nav button {
    border: 1px solid #68818f;
    background: transparent;
    color: #fff;
    width: 44px;
    height: 36px
}

.js [data-reveal] {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity .7s ease, transform .7s ease
}

.js [data-reveal].is-revealed {
    opacity: 1;
    transform: none
}

@media (min-width: 1200px) {
    .service-card:nth-child(2)[data-reveal] {
        transition-delay: .08s
    }

    .service-card:nth-child(3)[data-reveal] {
        transition-delay: .16s
    }

    .service-card:nth-child(4)[data-reveal] {
        transition-delay: .24s
    }
}

@media (max-width: 1199px) {
    .container {
        width: calc(100% - 64px)
    }

    .brand img {
        width: 190px
    }

    #hauptnavigation {
        gap: 22px
    }

    .nav-list {
        gap: 19px
    }

    .nav-list a {
        font-size: 13px
    }

    .hero-photo-label {
        display: none
    }

    .hero h1 {
        font-size: 65px
    }

    .hero-copy {
        max-width: 760px
    }

    .service-grid {
        grid-template-columns:repeat(2, 1fr);
        gap: 28px
    }

    .service-photo {
        height: 270px
    }

    .section-heading {
        gap: 40px
    }

    .intro-grid, .image-story, .teaser-grid, .contact-grid {
        gap: 60px
    }

    .story-media > img {
        height: 650px
    }

    .image-note {
        right: -15px;
        min-width: 220px;
        padding: 25px
    }

    .detail-grid {
        gap: 50px;
        grid-template-columns:minmax(0, 1fr) 300px
    }

    .footer-grid {
        gap: 30px
    }

    .reference-teaser {
        gap: 25px
    }

    .reference-teaser > div {
        gap: 15px
    }

    .project-photo {
        height: 360px
    }
}

@media (max-width: 991px) {
    .section {
        padding: 80px 0
    }

    .container {
        width: calc(100% - 48px)
    }

    .nav-shell {
        height: 82px
    }

    .brand img {
        width: 195px
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        gap: 15px;
        border: 0;
        background: transparent;
        padding: 12px 0 12px 16px;
        font-size: 13px
    }

    .menu-toggle i {
        display: block;
        width: 23px;
        height: 2px;
        background: var(--navy);
        position: relative
    }

    .menu-toggle i:before, .menu-toggle i:after {
        content: '';
        position: absolute;
        width: 23px;
        height: 2px;
        background: var(--navy);
        left: 0;
        transition: transform .2s
    }

    .menu-toggle i:before {
        top: -7px
    }

    .menu-toggle i:after {
        top: 7px
    }

    .menu-toggle[aria-expanded=true] i {
        background: transparent
    }

    .menu-toggle[aria-expanded=true] i:before {
        transform: translateY(7px) rotate(45deg)
    }

    .menu-toggle[aria-expanded=true] i:after {
        transform: translateY(-7px) rotate(-45deg)
    }

    #hauptnavigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 20px 30px #091d3020;
        padding: 15px 24px 30px;
        display: block;
        max-height: calc(100vh - 90px);
        overflow: auto
    }

    .js #hauptnavigation {
        display: none
    }

    .js #hauptnavigation.is-open {
        display: block
    }

    .nav-list {
        display: block
    }

    .nav-list a {
        padding: 13px 0;
        display: block;
        font-size: 16px;
        border-bottom: 1px solid var(--line)
    }

    .nav-list a:after {
        display: none
    }

    .nav-list .is-current {
        color: var(--blue)
    }

    #hauptnavigation > .button {
        margin-top: 20px
    }

    .no-js .nav-shell {
        height: auto;
        display: block;
        padding-block: 20px
    }

    .no-js #hauptnavigation {
        position: static;
        box-shadow: none;
        padding-inline: 0
    }

    .no-js .menu-toggle {
        display: none
    }

    .contact-bar .container > span {
        font-size: 10px
    }

    .contact-bar .container > div {
        gap: 20px
    }

    .hero {
        min-height: 665px
    }

    .hero-inner {
        min-height: 565px;
        padding-top: 65px
    }

    .hero h1 {
        font-size: 60px
    }

    .hero-copy > p:not(.eyebrow) {
        max-width: 560px
    }

    .hero:before {
        background: linear-gradient(90deg, #051524ed, #05152485), linear-gradient(0deg, #05152477, transparent)
    }

    .hero-footnote {
        font-size: 9px
    }

    .intro-grid {
        grid-template-columns:1fr 1.2fr;
        gap: 45px
    }

    .lead {
        font-size: 21px
    }

    .image-story {
        gap: 45px
    }

    .story-media > img {
        height: 670px
    }

    .image-note {
        right: 0;
        left: 0;
        min-width: 0
    }

    .image-note strong {
        font-size: 18px
    }

    .section-heading > p {
        max-width: 300px
    }

    .project-gallery {
        gap: 18px
    }

    .project-photo {
        height: 330px
    }

    .project-photo > span {
        font-size: 13px;
        left: 15px;
        right: 15px;
        bottom: 20px
    }

    .reference-teaser {
        align-items: flex-start;
        flex-wrap: wrap
    }

    .reference-teaser > div {
        gap: 20px
    }

    .steps {
        gap: 25px
    }

    .steps h3 {
        font-size: 20px
    }

    .teaser-grid {
        gap: 45px
    }

    .footer-grid {
        grid-template-columns:1.2fr 1fr;
        gap: 40px 60px
    }

    .equipment-grid {
        grid-template-columns:repeat(2, 1fr)
    }

    .detail-grid {
        gap: 35px;
        grid-template-columns:minmax(0, 1fr) 270px
    }

    .sidebar-box {
        padding: 25px
    }

    .sidebar-box h2 {
        font-size: 24px
    }

    .detail-photo {
        height: 350px
    }

    .prose h2 {
        font-size: 27px
    }

    .reference-grid {
        grid-template-columns:repeat(2, 1fr)
    }

    .masonry-gallery {
        columns: 2
    }

    .contact-grid {
        gap: 40px
    }

    .request-card {
        padding: 30px
    }

    .contact-options strong {
        font-size: 20px
    }

    .request-card h2 {
        font-size: 29px
    }

    .page-intro h1 {
        font-size: 57px
    }
}

@media (max-width: 700px) {
    .container {
        width: calc(100% - 40px)
    }

    .contact-bar .container > span {
        display: none
    }

    .contact-bar .container > div {
        width: 100%;
        justify-content: space-between;
        font-size: 10px;
        gap: 8px
    }

    .nav-shell {
        height: 77px
    }

    .brand img {
        width: 180px
    }

    .section {
        padding: 65px 0
    }

    h1, h2 {
        letter-spacing: -1.3px
    }

    h2 {
        font-size: 35px
    }

    .eyebrow {
        font-size: 10px;
        letter-spacing: 1.6px;
        margin-bottom: 19px
    }

    .hero {
        min-height: 650px
    }

    .hero-inner {
        min-height: 535px;
        padding-top: 54px;
        padding-bottom: 35px
    }

    .hero h1 {
        font-size: clamp(39px, 9vw, 56px);
        letter-spacing: -1.8px;
        line-height: 1.15
    }

    .hero-copy > p:not(.eyebrow) {
        font-size: 17px;
        line-height: 1.75;
        margin-top: 23px
    }

    .hero .eyebrow {
        font-size: 9px;
        letter-spacing: 1.2px
    }

    .hero .button-row {
        gap: 22px;
        margin-top: 28px
    }

    .hero .button {
        font-size: 14px;
        padding: 15px 19px
    }

    .hero-link {
        font-size: 12px
    }

    .hero-bottom {
        min-height: 105px;
        gap: 12px
    }

    .hero-footnote {
        display: none
    }

    .hero-controls {
        gap: 7px
    }

    .slide-dot {
        min-width: 35px;
        padding-inline: 7px
    }

    .hero-pause {
        margin-left: 6px
    }

    .scroll-cue {
        font-size: 11px;
        gap: 13px
    }

    .scope-strip .container {
        width: 100%;
        grid-template-columns:1fr 1fr
    }

    .scope-strip span {
        font-size: 10px;
        padding: 16px 10px
    }

    .scope-strip span:nth-child(-n+2) {
        border-bottom: 1px solid var(--line)
    }

    .scope-strip span:nth-child(2) {
        border-right: 0
    }

    .intro-grid, .image-story, .teaser-grid, .contact-grid, .detail-grid {
        grid-template-columns:1fr;
        gap: 35px
    }

    .intro-grid h2 br {
        display: none
    }

    .intro-grid h2 {
        max-width: 440px
    }

    .intro-grid .lead {
        font-size: 21px
    }

    .intro-copy p:not(.lead) {
        font-size: 16px
    }

    .section-heading {
        display: block;
        margin-bottom: 32px
    }

    .section-heading > p {
        max-width: none;
        margin-top: 23px;
        font-size: 16px
    }

    .section-heading > .button {
        margin-top: 25px
    }

    .service-grid {
        grid-template-columns:1fr 1fr;
        gap: 15px
    }

    .service-photo {
        height: 210px
    }

    .service-card-body {
        padding: 21px 17px
    }

    .service-card h3 {
        font-size: 19px;
        letter-spacing: -.6px;
        line-height: 1.3
    }

    .service-card p {
        font-size: 14px;
        line-height: 1.7
    }

    .service-card .text-link {
        font-size: 11px
    }

    .service-icon {
        margin-bottom: 17px
    }

    .story-media > img {
        height: 490px
    }

    .image-note {
        right: 0;
        left: auto;
        min-width: 220px;
        padding: 24px
    }

    .story-copy h2 {
        margin-bottom: 23px
    }

    .story-copy p {
        font-size: 16px
    }

    .story-copy .lead {
        font-size: 21px
    }

    .project-gallery {
        grid-template-columns:1fr;
        gap: 20px
    }

    .project-photo {
        height: 365px
    }

    .project-photo > span {
        font-size: 19px;
        left: 24px;
        right: 24px;
        bottom: 25px
    }

    .reference-teaser {
        gap: 20px;
        margin-top: 32px;
        padding-top: 28px
    }

    .reference-teaser > p {
        max-width: none;
        width: 100%
    }

    .reference-teaser > div {
        flex-basis: 100%;
        display: block
    }

    .reference-teaser > div > span {
        display: block;
        font-size: 15px;
        margin-bottom: 9px
    }

    .steps {
        grid-template-columns:1fr;
        gap: 28px
    }

    .steps article {
        padding-top: 20px
    }

    .steps article > span {
        margin-bottom: 16px
    }

    .steps h3 {
        font-size: 23px
    }

    .contact-teaser {
        padding: 64px 0
    }

    .contact-teaser h2 {
        font-size: 34px
    }

    .contact-teaser .button {
        margin-top: 23px
    }

    .teaser-grid {
        gap: 30px
    }

    .contact-teaser p:not(.eyebrow) {
        font-size: 16px
    }

    .site-footer {
        padding-top: 60px
    }

    .footer-grid {
        gap: 35px 25px
    }

    .footer-grid > div:first-child {
        grid-column: 1/-1
    }

    .footer-logo {
        width: 205px
    }

    .footer-grid h2 {
        margin-top: 0;
        margin-bottom: 17px
    }

    .footer-grid {
        font-size: 13px;
        padding-bottom: 40px
    }

    .footer-grid > div:last-child {
        grid-column: 1/-1
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px
    }

    .footer-bottom > div {
        gap: 22px
    }

    .page-intro {
        padding: 24px 0 55px
    }

    .breadcrumbs {
        margin-bottom: 32px;
        font-size: 10px
    }

    .page-intro h1 {
        font-size: clamp(37px, 8.5vw, 56px);
        letter-spacing: -1.5px
    }

    .page-intro .lead {
        font-size: 18px;
        line-height: 1.75;
        margin-top: 22px
    }

    .intro-rule {
        top: 90px;
        bottom: 55px;
        width: 5px
    }

    .equipment-grid {
        gap: 15px
    }

    .equipment-grid article {
        padding: 24px
    }

    .equipment-grid h3 {
        font-size: 20px
    }

    .equipment-grid p {
        font-size: 14px
    }

    .detail-sidebar {
        position: static;
        display: block
    }

    .detail-photo {
        height: 370px
    }

    .prose h2 {
        font-size: 27px
    }

    .prose p {
        font-size: 17px
    }

    .reference-tools {
        flex-wrap: wrap;
        padding: 20px;
        gap: 12px
    }

    .reference-tools label {
        width: 100%
    }

    .reference-tools input {
        flex-basis: 100%;
        width: 100%
    }

    .reference-card {
        padding: 22px;
        min-height: 185px
    }

    .reference-card h2 {
        font-size: 18px
    }

    .reference-grid {
        gap: 15px
    }

    .compact {
        margin-bottom: 35px
    }

    .masonry-gallery {
        column-gap: 18px
    }

    .masonry-gallery figure {
        margin-bottom: 27px
    }

    .masonry-gallery figcaption {
        font-size: 11px;
        gap: 10px
    }

    .zoom-mark {
        width: 36px;
        height: 36px;
        font-size: 20px
    }

    .contact-grid {
        gap: 45px
    }

    .request-card {
        padding: 30px 25px
    }

    .contact-options strong {
        font-size: 22px
    }

    .request-card .button {
        font-size: 14px;
        padding: 16px 20px;
        gap: 15px
    }

    .lightbox {
        padding-inline: 12px
    }

    .lightbox > img {
        max-width: 88vw
    }

    .lightbox > p {
        font-size: 12px
    }

    .faq summary {
        font-size: 16px
    }
}

@media (max-width: 400px) {
    .service-grid, .equipment-grid {
        grid-template-columns:1fr
    }

    .service-photo {
        height: 240px
    }

    .service-card h3 {
        font-size: 23px
    }

    .service-card p {
        font-size: 16px
    }

    .service-card .text-link {
        font-size: 13px
    }

    .hero h1 {
        font-size: 37px
    }

    .hero .eyebrow {
        font-size: 8px
    }

    .hero-link {
        font-size: 12px
    }

    .hero-inner {
        padding-top: 40px
    }

    .hero-controls {
        gap: 3px
    }

    .reference-grid {
        grid-template-columns:1fr
    }

    .contact-options strong {
        font-size: 19px
    }
}

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

    *, *:before, *:after {
        animation: none !important;
        transition: none !important
    }

    .js [data-reveal] {
        opacity: 1;
        transform: none
    }

    .hero-backdrop {
        transform: none !important
    }
}

/* Lange deutsche Überschriften dürfen das mobile Raster nicht verbreitern. */
.intro-grid > * {
    min-width: 0
}

@media (max-width: 700px) {
    .intro-grid h2 br {
        display: initial
    }

    .intro-grid h2 {
        max-width: 100%;
        overflow-wrap: break-word
    }
}

/* Mobile Karten: eine Spalte, flexible Rasterbreiten und sichere Wortumbrüche. */
.reference-grid,
.equipment-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.reference-grid > *,
.equipment-grid > * {
    min-width: 0;
    overflow-wrap: anywhere;
    hyphens: auto;
}

@media (max-width: 991px) {
    .reference-grid,
    .equipment-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .reference-grid,
    .equipment-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .reference-card {
        min-height: 0;
    }
}