/* 1. Custom Properties */
:root {
    --color-brand: #84AE35;
    --color-brand-dark: #5D7F22;
    --color-brand-text: #4F6E1D;
    --color-brand-soft: #E8F0D6;
    --color-brand-surface: #F5F8EF;

    --color-ink: #1B272D;
    --color-text: #1B272D;
    --color-text-muted: #637078;

    --color-white: #FFFFFF;
    --color-surface: #F5F7F7;
    --color-border: #DCE2E4;

    --color-error: #B42318;
    --color-success: #356115;

    /* Warmes Bilderumfeld; bestehende Formularfarben bleiben erhalten. */
    --color-paper: #F7F8F5;
    --color-paper-line: #DCDFD6;
    --ease-out-studio: cubic-bezier(0.23, 1, 0.32, 1);

    --container-width: 1240px;
    --content-width: 760px;

    --radius-small: 8px;
    --radius-medium: 14px;
    --radius-large: 22px;

    --shadow-soft: 0 14px 38px rgba(27, 39, 45, 0.08);
    --section-space: clamp(3.25rem, 6vw, 5.5rem);
    --header-height: 76px;
    --transition-fast: 180ms ease;
}

/* Lokale variable Schrift; Lizenz in ../fonts/OFL-Manrope.txt. */
@font-face {
    font-family: "Manrope";
    src: url("../fonts/manrope-latin-variable.woff2") format("woff2");
    font-style: normal;
    font-weight: 200 800;
    font-display: swap;
}

/* 2. Reset und Basiselemente */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    color-scheme: light;
    scroll-padding-top: calc(var(--header-height) + 24px);
    scroll-padding-bottom: calc(6rem + env(safe-area-inset-bottom));
}

body {
    margin: 0;
    background: var(--color-white);
    color: var(--color-text);
    font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

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

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

button,
summary,
a {
    touch-action: manipulation;
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

p,
ul,
ol,
address {
    margin: 0;
}

ul,
ol {
    padding: 0;
}

address {
    font-style: normal;
}

[hidden] {
    display: none;
}

:focus-visible {
    outline: 3px solid var(--color-brand-dark);
    outline-offset: 4px;
}

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

/* 3. Typografie */
h1,
h2,
h3 {
    margin: 0;
    color: var(--color-ink);
    font-weight: 700;
    letter-spacing: -0.035em;
    text-wrap: balance;
    overflow-wrap: break-word;
    hyphens: auto;
}

h1 {
    max-width: min(100%, 20ch);
    font-size: clamp(2.05rem, 5.2vw, 3.5rem);
    line-height: 1.12;
    overflow-wrap: break-word;
    hyphens: auto;
}

h2 {
    max-width: min(100%, 26ch);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    line-height: 1.18;
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.45rem);
    line-height: 1.25;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-brand-text);
    font-size: 0.88rem;
    font-weight: 750;
    letter-spacing: 0;
    line-height: 1.4;
}

.section-heading {
    display: grid;
    gap: 1rem;
    max-width: var(--content-width);
    margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

.section-heading p {
    max-width: 66ch;
    color: var(--color-text-muted);
    font-size: clamp(1rem, 1.5vw, 1.12rem);
}

.section-heading--center {
    justify-items: center;
    margin-inline: auto;
    text-align: center;
}

.section-heading--center h2 {
    max-width: 22ch;
}

.section-heading--center p {
    max-width: 62ch;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 44px;
    color: var(--color-brand-text);
    font-weight: 700;
    text-decoration: none;
}

.text-link::after {
    content: "→";
    transition: transform var(--transition-fast);
}

.text-link:hover {
    color: var(--color-brand-text);
    text-decoration: underline;
}

/* 4. Layout und Container */
.container {
    width: min(calc(100% - 2.5rem), var(--container-width));
    margin-inline: auto;
}

.narrow-container {
    width: min(calc(100% - 2.5rem), var(--content-width));
    margin-inline: auto;
}

/* Einspaltige Grids dürfen bei großer Schrift unter min-content schrumpfen. */
.hero-grid,
.hero-copy,
.section-heading,
.preparation-grid,
.preparation-copy,
.cost-grid,
.cost-copy,
.faq-grid,
.contact-grid,
.contact-intro,
.footer-grid {
    grid-template-columns: minmax(0, 1fr);
}

.hero-copy,
.section-heading,
.preparation-copy,
.cost-copy,
.contact-intro,
.footer-grid > * {
    min-width: 0;
    overflow-wrap: anywhere;
}

main {
    overflow: clip;
}

/* Der feste Header wird zentral durch html.scroll-padding berücksichtigt. */
section[id] {
    scroll-margin-top: 0;
}

.section {
    padding-block: var(--section-space);
}

.surface-section {
    background: var(--color-paper);
}

.brand-surface-section {
    background: var(--color-brand-surface);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-small);
    background: var(--color-ink);
    color: var(--color-white);
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform var(--transition-fast);
}

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

/* 5. Buttons und Links */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    min-height: 52px;
    padding: 0.78rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius-small);
    font-weight: 750;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.button--primary {
    background: var(--color-brand-dark);
    color: var(--color-white);
}

.button--primary:hover {
    background: #4F6E1D;
    box-shadow: 0 8px 22px rgba(93, 127, 34, 0.2);
}

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

.button--secondary:hover {
    border-color: var(--color-brand-dark);
    color: var(--color-brand-dark);
}

.button--light {
    background: var(--color-white);
    color: var(--color-ink);
}

.button--light:hover {
    background: var(--color-brand-soft);
}

.button:active {
    box-shadow: none;
}

.icon-inline {
    width: 1.15rem;
    height: 1.15rem;
    flex: 0 0 auto;
}

/* 6. Header und Navigation */
.site-header {
    position: relative;
    z-index: 100;
    top: 0;
    border-bottom: 1px solid rgba(220, 226, 228, 0.9);
    background: var(--color-white);
}

.js .site-header {
    position: sticky;
}

.header-inner {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand-link {
    display: inline-flex;
    width: clamp(142px, 38vw, 188px);
    flex: 0 0 auto;
    align-items: center;
    min-height: 48px;
}

.brand-link img {
    width: 100%;
    height: auto;
}

.menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-white);
    color: var(--color-ink);
    cursor: pointer;
}

.js .menu-toggle {
    display: inline-flex;
}

.menu-toggle svg {
    width: 25px;
    height: 25px;
}

.menu-toggle .icon-close {
    display: none;
}

.menu-toggle[aria-expanded="true"] .icon-menu {
    display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
    display: block;
}

.site-nav {
    width: 100%;
    flex: 1 0 100%;
    padding-block: 0.5rem 1rem;
    border-top: 1px solid var(--color-border);
}

.js .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100dvh - var(--header-height) - 1.25rem);
    padding: 0.75rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 1px solid var(--color-border);
    border-top: 0;
    border-radius: 0 0 var(--radius-medium) var(--radius-medium);
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
}

.js .site-nav.is-open {
    display: block;
}

.site-nav ul {
    display: grid;
    gap: 0.15rem;
    list-style: none;
}

.site-nav a {
    display: flex;
    min-height: 48px;
    align-items: center;
    padding-inline: 0.65rem;
    border-radius: var(--radius-small);
    color: var(--color-ink);
    font-size: 0.96rem;
    font-weight: 650;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.site-nav a:hover {
    background: var(--color-brand-surface);
    color: var(--color-brand-text);
}

.site-nav__mobile-actions {
    display: grid;
    gap: 0.65rem;
    margin-top: 0.75rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--color-border);
}

.site-nav__mobile-actions .button {
    justify-content: center;
}

.header-actions {
    display: none;
    align-items: center;
    gap: 0.75rem;
}

/* 7. Fotografischer Auftakt; progressive Bewegung in assets/aria-motion.*. */
.hero {
    padding-bottom: 1.5rem;
    background: var(--color-white);
}

.hero-stage {
    position: relative;
    width: min(calc(100% - 1rem), 1680px);
    margin-inline: auto;
    overflow: hidden;
    border-radius: 18px;
    background: var(--color-ink);
    isolation: isolate;
}

.hero-visual-wrap,
.hero-visual {
    position: absolute;
    z-index: -2;
    inset: 0;
    margin: 0;
}

.hero-stage::after {
    position: absolute;
    z-index: -1;
    inset: 0;
    background: linear-gradient(0deg, rgba(15, 25, 19, 0.8), transparent 35%), linear-gradient(90deg, rgba(15, 25, 19, 0.78) 0%, rgba(15, 25, 19, 0.7) 42%, rgba(15, 25, 19, 0.6) 60%, rgba(15, 25, 19, 0.08) 100%);
    content: "";
    pointer-events: none;
}

.hero-visual__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 60% center;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 1fr auto;
    width: min(calc(100% - 2.5rem), var(--container-width));
    min-height: 680px;
    gap: 2.75rem;
    padding-block: clamp(2rem, 4.5vw, 4.5rem);
    color: var(--color-white);
}

.hero-copy {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    justify-items: start;
    gap: 1.6rem;
    max-width: 680px;
}

.hero h1 {
    max-width: min(100%, 36ch);
    color: var(--color-white);
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
    font-weight: 550;
    letter-spacing: -0.015em;
    line-height: 1.45;
    text-wrap: pretty;
}

.hero-statement {
    max-width: 100%;
    font-size: clamp(4.25rem, 9.6vw, 9rem);
    font-weight: 600;
    letter-spacing: -0.065em;
    line-height: 0.99;
}

.hero-intro {
    max-width: 48ch;
    font-size: 1rem;
    line-height: 1.6;
}

.hero-intro strong {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 1.25em;
    font-weight: 650;
}

.hero-actions {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem;
    margin-top: 0.4rem;
}

.hero-actions .button {
    min-height: 56px;
    padding-inline: 1.6rem;
    border-radius: 999px;
}

.hero-actions .button--primary {
    background: var(--color-white);
    color: var(--color-ink);
}

.hero-actions .button--secondary {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(15, 25, 19, 0.25);
    color: var(--color-white);
}

.hero-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem 2rem;
}

.hero-claim {
    font-size: 0.88rem;
    font-weight: 550;
    max-width: 100%;
    line-height: 1.6;
    text-wrap: pretty;
}

.hero-explore {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.88rem;
    text-decoration: none;
}

.hero-explore svg {
    width: 18px;
    height: 18px;
}

.hero :focus-visible {
    outline-color: var(--color-white);
}

.project-photo__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 9. Karten und Komponenten */
.services-grid {
    display: grid;
    border-top: 1px solid var(--color-paper-line);
}

.service-card {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 0.75rem 1rem;
    align-items: start;
    padding-block: clamp(1.5rem, 3vw, 2rem);
    border-bottom: 1px solid var(--color-paper-line);
    background: var(--color-white);
}

.service-icon {
    width: 32px;
    height: 32px;
    color: var(--color-brand-dark);
}

.service-card h3 {
    align-self: center;
    font-size: clamp(1.15rem, 1.65vw, 1.4rem);
}

.service-card p {
    grid-column: 1 / -1;
    max-width: 62ch;
    color: var(--color-text-muted);
}

.service-card .text-link {
    grid-column: 1 / -1;
    justify-self: start;
    font-size: 0.9rem;
}

.service-scope {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--color-paper);
    border-radius: 18px;
}

.services-heading h2 {
    max-width: min(100%, 18ch);
    font-size: clamp(2.4rem, 4.5vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.05em;
    line-height: 1.1;
}

.service-scope p {
    max-width: 80ch;
    color: #46545B;
    font-size: 0.92rem;
}

.service-scope h3 {
    font-size: 1.15rem;
}

.scope-services {
    display: grid;
    gap: 1rem;
    margin: 0.5rem 0;
}

.scope-services dt {
    margin-bottom: 0.25rem;
    font-weight: 750;
}

.scope-services dd {
    margin: 0;
    color: #46545B;
    font-size: 0.94rem;
}

/* Vorbereitete Referenzvorlage: erst mit freigegebenen Originaldaten aktivieren. */
.case-studies-grid {
    display: grid;
    gap: 1.5rem;
}

.case-study {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-white);
}

.case-study__media {
    display: grid;
    min-height: 180px;
    place-items: center;
    aspect-ratio: 4 / 3;
    padding: 1.25rem;
    background: var(--color-brand-surface);
    color: var(--color-brand-text);
    text-align: center;
}

.case-study__image {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.case-study__body {
    display: grid;
    gap: 1rem;
    padding: clamp(1.25rem, 3vw, 1.75rem);
    overflow-wrap: anywhere;
}

.case-study__facts {
    display: grid;
    gap: 1rem;
    margin: 0;
}

.case-study__facts dt {
    margin-bottom: 0.2rem;
    font-weight: 750;
}

.case-study__facts dd {
    margin: 0;
    color: var(--color-text-muted);
}

.process-wrap {
    position: relative;
    isolation: isolate;
}

.process-list {
    display: grid;
    gap: 1.25rem;
    list-style: none;
    counter-reset: process;
}

.process-step {
    position: relative;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 1rem;
    counter-increment: process;
}

.process-step::before {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--color-brand-dark);
    border-radius: 50%;
    background: var(--color-paper);
    color: var(--color-brand-text);
    content: "0" counter(process);
    font-size: 1rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.process-step:not(:last-child)::after {
    position: absolute;
    z-index: -1;
    top: 42px;
    bottom: -1.25rem;
    left: 20px;
    width: 1px;
    background: var(--color-border);
    content: "";
}

.process-step h3 {
    margin-top: 0.2rem;
    margin-bottom: 0.45rem;
    font-size: 1.12rem;
}

.process-step p {
    color: var(--color-text-muted);
}

.process-note {
    max-width: 80ch;
    margin-top: 2.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-paper-line);
    color: #46545B;
    font-size: 0.94rem;
}

.preparation-grid {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
}

.preparation-copy {
    display: grid;
    gap: 1rem;
}

.project-photo {
    margin: 0;
}

.project-photo__image {
    position: static;
    height: auto;
    aspect-ratio: 4 / 3;
    border-radius: 18px;
}

.preparation-copy h2 {
    font-size: clamp(2rem, 3.3vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.045em;
}

.cost-grid {
    display: grid;
    align-items: start;
    gap: clamp(2rem, 6vw, 5rem);
}

.cost-copy {
    display: grid;
    justify-items: start;
    gap: 1.2rem;
}

.cost-copy p {
    max-width: 62ch;
    color: #46545B;
}

.cost-note {
    padding-left: 1rem;
    border-left: 4px solid var(--color-brand);
    font-size: 0.94rem;
}

.cost-grid > .factor-list {
    padding-inline: clamp(1.25rem, 3vw, 2rem);
    border: 0;
    border-radius: 18px;
    background: var(--color-white);
    box-shadow: 0 0 0 1px rgba(27, 39, 45, 0.06), 0 8px 24px rgba(27, 39, 45, 0.03);
}

.factor-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--color-paper-line);
    border-bottom: 1px solid var(--color-paper-line);
    list-style: none;
}

.factor-list li {
    position: relative;
    min-height: 58px;
    padding: 1rem 0 1rem 1.75rem;
    border-bottom: 1px solid var(--color-border);
    font-weight: 650;
}

.factor-list li:last-child {
    border-bottom: 0;
}

.factor-list li::before {
    position: absolute;
    top: 50%;
    left: 0;
    width: 14px;
    height: 2px;
    background: var(--color-brand-dark);
    content: "";
    transform: translateY(-50%);
}

/* Zusammenarbeit und Einsatzgebiet – keine zweite Kontaktkarte. */
.local-section {
    background: var(--color-brand-soft);
}

.local-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    gap: 2rem;
}

.local-media {
    width: 100%;
    max-width: 36rem;
    min-width: 0;
    margin-inline: auto;
    overflow: hidden;
    border-radius: 18px;
    background: var(--color-paper);
}

.local-image {
    display: block;
    width: 100%;
    height: auto;
}

.local-content {
    display: grid;
    min-width: 0;
    gap: clamp(1.5rem, 3vw, 2rem);
}

.local-statement h2 {
    max-width: min(100%, 18ch);
    font-size: clamp(2.15rem, 3.8vw, 3.75rem);
    font-weight: 600;
    letter-spacing: -0.055em;
    line-height: 1.1;
}

.local-copy {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
    min-width: 0;
    max-width: 54ch;
    overflow-wrap: anywhere;
}

.local-copy h3 {
    font-size: 1rem;
    font-weight: 750;
    letter-spacing: 0;
}

.local-copy p {
    color: #354338;
}

.local-copy__region {
    font-size: 1.05rem;
}

.faq-grid {
    display: grid;
    gap: 0.5rem;
}

.faq-list {
    border-top: 1px solid var(--color-border);
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
    position: relative;
    display: grid;
    min-height: 72px;
    align-items: center;
    padding: 1.15rem 3.5rem 1.15rem 0;
    color: var(--color-ink);
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: 750;
    line-height: 1.4;
    cursor: pointer;
    list-style: none;
}

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

.faq-item summary::before,
.faq-item summary::after {
    position: absolute;
    top: 50%;
    right: 0.7rem;
    width: 18px;
    height: 2px;
    background: var(--color-brand-dark);
    content: "";
    transition: transform var(--transition-fast);
}

.faq-item summary::after {
    transform: rotate(90deg);
}

.faq-item[open] summary::after {
    transform: rotate(0deg);
}

.faq-item summary:hover {
    color: var(--color-brand-text);
}

.faq-answer {
    max-width: 68ch;
    padding: 0 3.5rem 1.4rem 0;
    color: var(--color-text-muted);
}

/* 10. Formular */
.contact-section {
    position: relative;
    padding-block: var(--section-space);
    overflow: hidden;
    background: var(--color-ink);
    color: var(--color-white);
    isolation: isolate;
}

.contact-grid {
    display: grid;
    align-items: start;
    gap: clamp(2.75rem, 7vw, 6rem);
}

.contact-intro {
    display: grid;
    align-content: start;
    gap: 1.3rem;
}

.contact-intro .eyebrow {
    color: #C8DDA0;
}

.contact-intro h2 {
    max-width: min(100%, 16ch);
    color: var(--color-white);
}

.contact-intro > p {
    max-width: 57ch;
    color: #C8D0D4;
}

.contact-details {
    display: grid;
    gap: 0;
    margin-top: 0.65rem;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    list-style: none;
}

.contact-details li {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 0.8rem;
    padding-block: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-details svg {
    width: 20px;
    height: 20px;
    margin-top: 0.2rem;
    color: #B7D37F;
}

.contact-details small {
    display: block;
    margin-bottom: 0.1rem;
    color: #A9B4B9;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-details a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: var(--color-white);
    font-weight: 750;
    overflow-wrap: anywhere;
}

.response-note {
    padding: 0.95rem 1rem;
    border-left: 4px solid var(--color-brand);
    background: rgba(255, 255, 255, 0.06);
    color: #DCE2E4;
    font-size: 0.9rem;
}

.contact-form {
    padding: clamp(1.35rem, 4vw, 2.25rem);
    border-radius: var(--radius-large);
    background: var(--color-white);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.19);
    color: var(--color-text);
}

.form-heading {
    display: grid;
    gap: 0.55rem;
    margin-bottom: 1.6rem;
}

.form-heading__mode {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.55rem;
    border: 1px solid #D7E2C0;
    border-radius: 4px;
    background: var(--color-brand-surface);
    color: var(--color-brand-text);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.form-heading__mode::before {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-brand);
    content: "";
}

.form-heading h3 {
    font-size: clamp(1.45rem, 3vw, 1.85rem);
}

.form-heading p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.form-grid {
    display: grid;
    gap: 1.1rem;
}

.form-field,
.form-fieldset {
    display: grid;
    gap: 0.42rem;
}

.form-fieldset {
    min-width: 0;
    padding: 0;
    border: 0;
}

.form-fieldset legend {
    margin-bottom: 0.4rem;
    padding: 0;
    font-size: 0.9rem;
    font-weight: 750;
}

.contact-choice-grid {
    display: grid;
    gap: 1.1rem;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 750;
}

.required-mark {
    color: var(--color-error);
}

.optional-label {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 550;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    min-height: 50px;
    padding: 0.75rem 0.85rem;
    border: 1px solid #7D8D94;
    border-radius: var(--radius-small);
    background: var(--color-white);
    line-height: 1.35;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field textarea {
    min-height: 128px;
    resize: vertical;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
    border-color: #7D8D94;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--color-brand-dark);
    box-shadow: none;
    outline: 3px solid var(--color-brand-dark);
    outline-offset: 2px;
}

.form-field input[aria-invalid="true"] {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12);
}

.form-helper {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.form-error {
    min-height: 1.2em;
    color: var(--color-error);
    font-size: 0.82rem;
    font-weight: 650;
}

input[type="file"] {
    padding: 0.35rem;
}

input[type="file"]::file-selector-button {
    min-height: 40px;
    margin-right: 0.75rem;
    padding: 0.55rem 0.75rem;
    border: 0;
    border-radius: 5px;
    background: var(--color-surface);
    color: var(--color-ink);
    font-weight: 700;
    cursor: pointer;
}

.privacy-field {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 0.75rem;
    align-items: start;
}

.privacy-field input {
    width: 22px;
    height: 22px;
    margin: 0.16rem 0 0;
    accent-color: var(--color-brand-dark);
}

.privacy-field label {
    font-size: 0.88rem;
    line-height: 1.55;
}

.privacy-field a {
    color: var(--color-brand-dark);
    font-weight: 700;
}

.form-actions {
    display: grid;
    gap: 0.8rem;
}

.form-actions .button {
    width: 100%;
}

.prototype-note {
    color: var(--color-text-muted);
    font-size: 0.77rem;
    line-height: 1.45;
}

.form-status {
    color: var(--color-success);
    font-size: 0.9rem;
    font-weight: 700;
    scroll-margin-bottom: 6rem;
}

.form-status:not(:empty) {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    border: 1px solid #B8D183;
    border-left: 4px solid var(--color-success);
    border-radius: var(--radius-small);
    background: var(--color-brand-surface);
}

.contact-intro :focus-visible,
.site-footer :focus-visible {
    outline-color: var(--color-brand);
}

/* 11. Footer */
.site-footer {
    padding-block: 3.75rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: #131D22;
    color: #CED5D8;
}

.footer-grid {
    display: grid;
    align-items: start;
    gap: 2.5rem;
}

.footer-brand {
    display: grid;
    align-content: start;
    justify-items: start;
    gap: 1rem;
}

.footer-logo-panel {
    display: inline-flex;
    width: 190px;
    min-height: 64px;
    align-self: start;
    align-items: center;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-small);
    background: var(--color-white);
}

.footer-logo-panel img {
    width: 100%;
    height: auto;
}

.footer-brand p {
    max-width: 38ch;
    color: #AEB9BE;
}

.footer-title {
    display: block;
    margin-bottom: 0.85rem;
    color: var(--color-white);
    font-size: 0.83rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.footer-list {
    display: grid;
    gap: 0.65rem;
    list-style: none;
}

.footer-list a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: #CED5D8;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.footer-list a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2.75rem;
    padding-top: 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: #98A5AB;
    font-size: 0.82rem;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: #CED5D8;
}

/* 12. Mobile Kontaktleiste */
.mobile-contact-bar {
    position: fixed;
    z-index: 90;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    padding: 0.55rem max(0.75rem, env(safe-area-inset-right)) calc(0.55rem + env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
    border-top: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 -10px 26px rgba(27, 39, 45, 0.1);
}

.mobile-contact-bar a {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius-small);
    font-size: 0.9rem;
    font-weight: 800;
    text-decoration: none;
}

.mobile-contact-bar__call {
    color: var(--color-brand-dark);
}

.mobile-contact-bar__request {
    background: var(--color-brand-dark);
    color: var(--color-white);
}

.mobile-contact-bar__call:hover {
    background: var(--color-brand-surface);
    color: var(--color-brand-text);
}

.mobile-contact-bar__request:hover {
    background: var(--color-brand-text);
}

.site-footer {
    padding-bottom: calc(6.4rem + env(safe-area-inset-bottom));
}

/* Emil-Kowalski-Prinzip: Druckfeedback ohne Verzögerung der Aktion.
   Das Formular bleibt ausdrücklich von den neuen Interaktionsregeln ausgenommen. */
.hero .button,
.site-header .button,
.menu-toggle,
.mobile-contact-bar a {
    transition: transform 140ms var(--ease-out-studio), background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.site-header .button {
    border-radius: 999px;
}

@media (hover: hover) and (pointer: fine) {
    .hero-actions .button--primary:hover {
        background: var(--color-brand-soft);
        color: var(--color-ink);
        box-shadow: none;
    }

    .hero-actions .button--secondary:hover {
        border-color: var(--color-white);
        background: rgba(15, 25, 19, 0.55);
        color: var(--color-white);
    }

    .hero-explore:hover {
        text-decoration: underline;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .hero .button:active:not(:focus-visible),
    .site-header .button:active:not(:focus-visible),
    .menu-toggle:active:not(:focus-visible),
    .mobile-contact-bar a:active:not(:focus-visible) {
        transform: scale(0.98);
    }
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
    .text-link:hover::after {
        transform: translateX(3px);
    }
}

/* 13. Media Queries */
@media (min-width: 540px) {
    .hero-actions {
        width: auto;
    }

    .form-grid--two,
    .contact-choice-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (min-width: 700px) {
    .hero-stage {
        width: min(calc(100% - 3rem), 1680px);
        border-radius: 24px;
    }

    .hero-grid {
        width: min(calc(100% - 8rem), var(--container-width));
        min-height: clamp(680px, 53vw, 800px);
    }

    html {
        scroll-padding-bottom: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .mobile-contact-bar {
        display: none;
    }

    .site-footer {
        padding-bottom: 2rem;
    }
}

@media (min-width: 860px) {
    .scope-services {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.5rem;
    }

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

    .services-heading {
        max-width: none;
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
        gap: 0.85rem 3rem;
        align-items: end;
    }

    .services-heading .eyebrow {
        grid-column: 1 / -1;
    }

    .service-card {
        grid-template-columns: 36px minmax(0, 0.9fr) minmax(0, 1.5fr);
        column-gap: 1.5rem;
    }

    .service-card h3 {
        align-self: start;
        padding-top: 0.1rem;
    }

    .service-card p {
        grid-column: 3;
    }

    .service-card .text-link {
        grid-column: 3;
    }

    .faq-grid {
        grid-template-columns: minmax(0, 0.65fr) minmax(0, 1fr);
        gap: clamp(2rem, 6vw, 5rem);
        align-items: start;
    }

    .preparation-grid,
    .cost-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    }

    .cost-grid {
        grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
    }

    .local-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
        gap: clamp(2rem, 4.5vw, 4rem);
    }

    .process-list {
        grid-template-columns: repeat(4, 1fr);
        gap: clamp(1rem, 2vw, 2rem);
    }

    .process-step {
        grid-template-columns: 1fr;
        grid-template-rows: 42px 1fr;
        gap: 1.15rem;
    }

    .process-step:not(:last-child)::after {
        z-index: 0;
        top: 20px;
        right: calc(-1 * clamp(1rem, 2vw, 2rem));
        bottom: auto;
        left: 42px;
        width: calc(100% + clamp(1rem, 2vw, 2rem) - 42px);
        height: 1px;
    }

    .process-step::before,
    .process-step > div {
        position: relative;
        z-index: 1;
    }
}

@media (min-width: 960px) {
    .contact-grid {
        grid-template-columns: minmax(0, 0.82fr) minmax(470px, 1fr);
    }
}

@media (min-width: 1120px) {
    :root {
        --header-height: 5rem;
    }

    .js .menu-toggle,
    .menu-toggle {
        display: none;
    }

    .header-inner {
        flex-wrap: nowrap;
    }

    .site-nav,
    .js .site-nav,
    .js .site-nav.is-open {
        position: static;
        display: block;
        width: auto;
        max-height: none;
        flex: 0 1 auto;
        padding: 0;
        overflow: visible;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .site-nav ul {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: 0;
    }

    .site-nav a {
        min-height: 46px;
        padding-inline: clamp(0.45rem, 0.8vw, 0.7rem);
        font-size: clamp(0.81rem, 0.85vw, 0.91rem);
        white-space: nowrap;
    }

    .site-nav__mobile-actions {
        display: none;
    }

    .header-actions {
        display: flex;
    }

    .brand-link {
        width: clamp(164px, 14vw, 180px);
    }

    .service-card {
        grid-template-columns: 36px minmax(0, 1.1fr) minmax(0, 1.65fr) minmax(0, 0.9fr);
        align-items: center;
    }

    .service-card h3 {
        align-self: center;
        padding-top: 0;
    }

    .service-card .text-link {
        grid-column: 4;
        justify-self: end;
    }
}

@media (min-width: 1320px) {
    .site-nav a {
        padding-inline: 0.72rem;
        font-size: 0.9rem;
    }

    .header-actions {
        gap: 1rem;
    }
}

@media (max-width: 539px) {
    .hero-actions .button {
        width: 100%;
    }

    .hero-stage::after {
        background: rgba(15, 25, 19, 0.65);
    }

    .hero-visual__image {
        object-position: 25% center;
    }
}

@media (max-width: 359px) {
    .container,
    .narrow-container {
        width: min(calc(100% - 2rem), var(--container-width));
    }

    h1 {
        font-size: 1.95rem;
    }

    .contact-form {
        padding: 1.1rem;
    }
}

/* 14. Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

/* 15. WhatsApp: plain external link, below navigation/consent overlays. */
.whatsapp-float {
    --whatsapp-color: #128C7E;
    position: fixed;
    z-index: 80;
    right: max(clamp(16px, 2vw, 24px), env(safe-area-inset-right, 0px));
    bottom: max(24px, env(safe-area-inset-bottom, 0px));
    display: inline-flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-white);
    border-radius: 50%;
    background: var(--whatsapp-color);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(27, 39, 45, 0.2);
    text-decoration: none;
    touch-action: manipulation;
    transition-property: background-color;
}

.whatsapp-float svg { display: block; width: 28px; height: 28px; }
.whatsapp-float:visited { color: var(--color-white); }
.whatsapp-float:focus-visible {
    outline: 3px solid var(--color-ink);
    outline-offset: 3px;
    box-shadow: 0 0 0 7px var(--color-white);
}
.whatsapp-float:active { background: #075E54; }

/* Keep the final legal links scrollable above the floating action. */
.site-footer { padding-bottom: calc(6.5rem + env(safe-area-inset-bottom, 0px)); }

@media (max-width: 699.98px) {
    .whatsapp-float { bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px)); }
    .site-footer { padding-bottom: calc(11rem + env(safe-area-inset-bottom, 0px)); }
}

/* Do not cover form controls while typing or the mobile menu while open. */
body:has(form:focus-within) .whatsapp-float { visibility: hidden; }
@media (max-width: 1119.98px) {
    body:has(.menu-toggle[aria-expanded="true"]) .whatsapp-float { visibility: hidden; }
}
@media (hover: hover) and (pointer: fine) {
    .whatsapp-float:hover { background: #075E54; color: var(--color-white); }
}
@media (prefers-reduced-motion: no-preference) {
    .whatsapp-float { transition: background-color 160ms ease; }
}
@media print { .whatsapp-float { display: none; } }

/* Compact opening hours in the existing footer contact column. */
.footer-hours {
    margin-top: 1.25rem;
    max-width: 16rem;
    font-size: 0.9rem;
    line-height: 1.6;
}
.footer-hours__title {
    margin: 0 0 0.4rem;
    color: var(--color-white);
    font-size: inherit;
    font-weight: 650;
}
.footer-hours__list { display: grid; gap: 0.2rem; margin: 0; }
.footer-hours__list > div {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0 1rem;
}
.footer-hours__list dt { font-weight: 550; }
.footer-hours__list dd { margin: 0; font-variant-numeric: tabular-nums; }