/* ==========================================================================
   WaPen KNX – zentrales Stylesheet
   Schriften werden lokal über css/fonts.css eingebettet (keine externen Dienste).
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design-Tokens
   -------------------------------------------------------------------------- */
:root {
    --color-primary: #0f6baf;
    --color-primary-dark: #0a4f83;
    --color-primary-light: #e8f3fa;

    --color-secondary: #8f979d;
    --color-accent: #34a64d;
    --color-accent-dark: #257d39;

    --color-dark: #101820;
    --color-text: #26333d;
    --color-muted: #65727c;
    --color-light: #f4f7f9;
    --color-white: #ffffff;
    --color-border: #dce3e8;
    --color-error: #b42318;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --font-heading: 'Sora', 'Inter', Arial, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --shadow-sm: 0 1px 3px rgba(16, 24, 32, 0.07);
    --shadow-md: 0 6px 20px rgba(16, 24, 32, 0.09);
    --shadow-lg: 0 14px 40px rgba(16, 24, 32, 0.13);

    --header-height: 88px;
    --header-height-compact: 62px;

    --container-max: 1180px;
    --transition: 220ms ease;
}

/* --------------------------------------------------------------------------
   2. Reset und Grundlagen
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 12px);
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

ul,
ol {
    padding-left: 1.4em;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-dark);
    overflow-wrap: break-word;
}

h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

/* Sichtbare Fokuszustände für Tastaturbedienung */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 3px;
}

.skip-link {
    position: absolute;
    top: -60px;
    left: 12px;
    z-index: 2000;
    padding: 0.7em 1.2em;
    background: var(--color-primary-dark);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 12px;
    color: var(--color-white);
}

.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: clamp(1rem, 4vw, 2rem);
}

.section {
    padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section-alt {
    background-color: var(--color-light);
}

.section-head {
    max-width: 760px;
    margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.section-kicker {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.6rem;
}

.section-head p {
    margin-top: 0.9rem;
    color: var(--color-muted);
    font-size: 1.05rem;
}

.placeholder-text {
    display: inline-block;
    background: #fff7e0;
    border: 1px dashed #d9a800;
    border-radius: 4px;
    padding: 0 0.35em;
    font-style: normal;
    color: #7a5c00;
    font-size: 0.95em;
}

/* --------------------------------------------------------------------------
   3. Schaltflächen
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    min-height: 48px;
    padding: 0.75em 1.6em;
    border: 2px solid transparent;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition),
                border-color var(--transition), box-shadow var(--transition),
                transform var(--transition);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   4. Header und Navigation
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
    transition: box-shadow var(--transition);
}

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

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo {
    height: 56px;
    width: auto;
    transition: height var(--transition);
}

/* Kompakter Header beim Scrollen */
.site-header.is-compact {
    box-shadow: var(--shadow-md);
}

.site-header.is-compact .header-inner {
    min-height: var(--header-height-compact);
}

.site-header.is-compact .brand-logo {
    height: 42px;
}

.site-header.is-compact .nav-list {
    gap: 0.15rem;
}

.site-header.is-compact .nav-cta {
    min-height: 40px;
    padding-block: 0.45em;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    list-style: none;
    padding: 0;
    transition: gap var(--transition);
}

.nav-link {
    display: inline-block;
    padding: 0.55em 0.75em;
    border-radius: var(--radius-sm);
    font-size: 0.98rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition);
}

.nav-link:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.nav-link.is-active {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
    box-shadow: inset 0 -2px 0 var(--color-primary);
}

.nav-cta-item {
    margin-left: 0.5rem;
}

.nav-cta {
    font-size: 0.95rem;
    min-height: 44px;
    transition: min-height var(--transition), padding var(--transition),
                background-color var(--transition), box-shadow var(--transition);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 48px;
    height: 48px;
    padding: 12px 11px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 100%;
    height: 2.5px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

@media (max-width: 980px) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        display: none;
    }

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

    /* Ohne JavaScript bleibt das Menü über :target bzw. Fokus grundsätzlich erreichbar:
       Die Navigation wird eingeblendet, sobald sie Fokus enthält. */
    .no-js .site-nav:focus-within {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.75rem 1rem 1.25rem;
    }

    .nav-link {
        display: block;
        padding: 0.9em 0.75em;
        font-size: 1.05rem;
    }

    .nav-cta-item {
        margin-left: 0;
        margin-top: 0.75rem;
    }

    .nav-cta {
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   5. Hero
   -------------------------------------------------------------------------- */
.hero {
    padding-top: calc(var(--header-height) + clamp(2.5rem, 6vw, 4.5rem));
    padding-bottom: clamp(3rem, 7vw, 5.5rem);
    background:
        linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-white) 85%);
    border-bottom: 1px solid var(--color-border);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.hero-slogan {
    color: var(--color-dark);
}

.hero-slogan .accent {
    color: var(--color-primary);
}

.hero-intro {
    margin-top: 1.1rem;
    font-size: 1.12rem;
    color: var(--color-text);
    max-width: 34em;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.8rem;
}

.hero-trust {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem 1.25rem;
}

.hero-trust li {
    display: flex;
    align-items: flex-start;
    gap: 0.55em;
    font-size: 0.97rem;
    color: var(--color-text);
}

.hero-trust .check {
    flex: none;
    width: 1.25em;
    height: 1.25em;
    margin-top: 0.2em;
    color: var(--color-accent);
}

/* Austauschbares Bildfeld mit festem Seitenverhältnis */
.hero-visual {
    position: relative;
}

.hero-visual-frame {
    aspect-ratio: 4 / 3;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.hero-visual-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 860px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

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

/* --------------------------------------------------------------------------
   6. Über mich
   -------------------------------------------------------------------------- */
.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

.about-portrait-frame {
    aspect-ratio: 4 / 5;
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    background-color: var(--color-light);
}

.about-portrait-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-quote {
    margin: 1.5rem 0;
    padding: 1.1rem 1.4rem;
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-primary-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 1.06rem;
}

.about-facts {
    list-style: none;
    padding: 0;
    margin-top: 1.4rem;
    display: grid;
    gap: 0.6rem;
}

.about-facts li {
    display: flex;
    gap: 0.6em;
    align-items: flex-start;
}

.about-facts .check {
    flex: none;
    width: 1.2em;
    height: 1.2em;
    margin-top: 0.25em;
    color: var(--color-accent);
}

.about-placeholders {
    margin-top: 1.6rem;
    padding: 1rem 1.2rem;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-light);
}

.about-placeholders h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.about-placeholders ul {
    display: grid;
    gap: 0.35rem;
    font-size: 0.95rem;
}

@media (max-width: 860px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   7. Karten (Leistungen, Vorteile, Projekte, Zertifikate)
   -------------------------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: clamp(1rem, 2.5vw, 1.6rem);
}

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    margin-bottom: 1rem;
}

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

.card h3 {
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--color-muted);
    font-size: 0.98rem;
}

/* --------------------------------------------------------------------------
   8. Projektablauf
   -------------------------------------------------------------------------- */
.process-list {
    list-style: none;
    padding: 0;
    counter-reset: schritt;
    display: grid;
    gap: 0;
    max-width: 820px;
}

.process-list li {
    counter-increment: schritt;
    position: relative;
    padding: 0 0 1.9rem 4.2rem;
}

.process-list li::before {
    content: counter(schritt);
    position: absolute;
    left: 0;
    top: 0;
    width: 2.7rem;
    height: 2.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 50%;
    font-size: 1.05rem;
}

.process-list li::after {
    content: "";
    position: absolute;
    left: 1.32rem;
    top: 2.9rem;
    bottom: 0.2rem;
    width: 2px;
    background-color: var(--color-border);
}

.process-list li:last-child::after {
    display: none;
}

.process-list h3 {
    font-size: 1.12rem;
    margin-bottom: 0.25rem;
}

.process-list p {
    color: var(--color-muted);
    font-size: 0.98rem;
}

/* --------------------------------------------------------------------------
   9. Vorteile und Funktionen
   -------------------------------------------------------------------------- */
.benefit-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.9rem 1.4rem;
}

.benefit-list li {
    display: flex;
    gap: 0.65em;
    align-items: flex-start;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.95rem 1.1rem;
    box-shadow: var(--shadow-sm);
}

.benefit-list .check {
    flex: none;
    width: 1.3em;
    height: 1.3em;
    margin-top: 0.15em;
    color: var(--color-accent);
}

.function-tags {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.function-tags li {
    padding: 0.45em 1em;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.93rem;
    font-weight: 500;
}

.note-box {
    margin-top: 1.6rem;
    padding: 1rem 1.3rem;
    border-left: 4px solid var(--color-accent);
    background-color: #eef8f0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   10. Referenzprojekte
   -------------------------------------------------------------------------- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: clamp(1.2rem, 3vw, 2rem);
}

.project-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.project-card-media {
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background-color: var(--color-light);
}

.project-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.4rem 1.4rem 1.6rem;
    flex: 1;
}

.project-type {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
    border-radius: 999px;
    padding: 0.25em 0.9em;
}

.project-card-body p {
    color: var(--color-muted);
    font-size: 0.97rem;
}

.project-card-body .btn {
    align-self: flex-start;
    margin-top: auto;
}

.project-meta {
    font-size: 0.92rem;
    display: grid;
    gap: 0.25rem;
}

/* --------------------------------------------------------------------------
   11. Zertifikate
   -------------------------------------------------------------------------- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: clamp(1rem, 2.5vw, 1.5rem);
}

.cert-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.cert-preview-link {
    display: block;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background-color: var(--color-light);
    border-bottom: 1px solid var(--color-border);
}

.cert-preview-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.cert-preview-link:hover img {
    transform: scale(1.03);
}

.cert-card-body {
    padding: 1.1rem 1.15rem 1.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.94rem;
}

.cert-card-body h3 {
    font-size: 1.02rem;
}

.cert-card-body .cert-meta {
    color: var(--color-muted);
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    align-self: flex-start;
    margin-top: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
    border-radius: 999px;
    padding: 0.25em 0.85em;
}

/* --------------------------------------------------------------------------
   12. Kontakt
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
}

.contact-info-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.7rem 1.6rem;
    box-shadow: var(--shadow-sm);
    display: grid;
    gap: 0.4rem;
}

.contact-info-card strong {
    font-size: 1.1rem;
}

.contact-info-card a {
    font-weight: 600;
}

@media (max-width: 860px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Formular */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.2rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-field-full {
    grid-column: 1 / -1;
}

.form-field label {
    font-weight: 600;
    font-size: 0.97rem;
}

.optional-hint {
    font-weight: 400;
    color: var(--color-muted);
    font-size: 0.88em;
}

.form-field input,
.form-field select,
.form-field textarea {
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75em 0.9em;
    min-height: 48px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field textarea {
    resize: vertical;
    min-height: 160px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 107, 175, 0.18);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.char-counter {
    font-size: 0.86rem;
    color: var(--color-muted);
    text-align: right;
}

.form-consent {
    display: flex;
    gap: 0.7em;
    align-items: flex-start;
    font-size: 0.95rem;
}

.form-consent input[type="checkbox"] {
    flex: none;
    width: 1.35em;
    height: 1.35em;
    margin-top: 0.2em;
    accent-color: var(--color-primary);
}

.form-error {
    color: var(--color-error);
    font-size: 0.9rem;
}

.form-status {
    margin-top: 1rem;
    font-size: 0.98rem;
}

.form-status.is-error {
    color: var(--color-error);
    background: #fdf0ee;
    border: 1px solid #f0c8c2;
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
}

/* Honeypot: für Menschen unsichtbar, für einfache Bots ausfüllbar */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   13. Modale (Zertifikate und Galerie)
   -------------------------------------------------------------------------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background-color: rgba(16, 24, 32, 0.72);
}

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

.modal-dialog {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: min(920px, 100%);
    max-height: calc(100vh - 2rem);
    max-height: calc(100dvh - 2rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: 1.05rem;
    font-family: var(--font-heading);
}

.modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-dark);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color var(--transition);
}

.modal-close:hover {
    background-color: var(--color-light);
}

.modal-body {
    padding: 1rem 1.2rem;
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.modal-body img {
    max-height: min(66vh, 640px);
    width: auto;
    max-width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.9rem 1.2rem;
    border-top: 1px solid var(--color-border);
}

.modal-counter {
    font-size: 0.95rem;
    color: var(--color-muted);
    min-width: 5.5em;
}

.modal-nav {
    display: flex;
    gap: 0.5rem;
}

.modal-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    min-height: 48px;
    padding: 0 1em;
    border: 1.5px solid var(--color-primary);
    border-radius: 999px;
    background: var(--color-white);
    color: var(--color-primary-dark);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition);
}

.modal-nav-btn:hover {
    background-color: var(--color-primary-light);
}

.modal-nav-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   14. Galerie (Projektseiten)
   -------------------------------------------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    list-style: none;
    padding: 0;
}

.gallery-link {
    display: block;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-light);
    box-shadow: var(--shadow-sm);
}

.gallery-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.gallery-link:hover img {
    transform: scale(1.04);
}

/* --------------------------------------------------------------------------
   15. Projektseiten
   -------------------------------------------------------------------------- */
.page-hero {
    padding-top: calc(var(--header-height) + clamp(2rem, 5vw, 3.5rem));
    padding-bottom: clamp(2rem, 5vw, 3.5rem);
    background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-white) 100%);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    font-size: 0.92rem;
    color: var(--color-muted);
    margin-bottom: 0.9rem;
}

.breadcrumb ol {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4em;
}

.breadcrumb li + li::before {
    content: "›";
    margin-right: 0.4em;
    color: var(--color-secondary);
}

.project-hero-media {
    margin-top: 2rem;
    aspect-ratio: 21 / 9;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    background: var(--color-light);
}

.project-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-section {
    padding-block: clamp(1.6rem, 4vw, 2.6rem);
    border-bottom: 1px solid var(--color-border);
}

.project-section:last-of-type {
    border-bottom: none;
}

.project-section h2 {
    font-size: 1.35rem;
    margin-bottom: 0.7rem;
}

.project-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.98rem;
}

.project-data-table th,
.project-data-table td {
    text-align: left;
    padding: 0.7em 0.9em;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.project-data-table th {
    width: 38%;
    color: var(--color-dark);
    font-weight: 600;
    background: var(--color-light);
}

/* --------------------------------------------------------------------------
   16. Dankeseite und rechtliche Seiten
   -------------------------------------------------------------------------- */
.simple-page {
    padding-top: calc(var(--header-height) + clamp(2.5rem, 6vw, 4rem));
    padding-bottom: clamp(3rem, 7vw, 5rem);
    min-height: 60vh;
}

.simple-page .container {
    max-width: 820px;
}

.simple-page h1 {
    margin-bottom: 1.2rem;
}

.simple-page h2 {
    margin-top: 2.2rem;
    margin-bottom: 0.7rem;
    font-size: 1.35rem;
}

.simple-page h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.simple-page p + p {
    margin-top: 0.9rem;
}

.simple-page ul {
    margin: 0.7rem 0 0.9rem;
}

.legal-warning {
    margin: 1.4rem 0;
    padding: 1rem 1.3rem;
    border: 1.5px solid #d9a800;
    border-left-width: 6px;
    background: #fff7e0;
    border-radius: var(--radius-sm);
    color: #6a5200;
    font-weight: 500;
}

.thanks-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.thanks-contact {
    margin-top: 1.6rem;
    padding: 1.2rem 1.4rem;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    display: grid;
    gap: 0.3rem;
}

.thanks-contact a {
    font-weight: 600;
    font-size: 1.08rem;
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-dark);
    color: #cdd6dd;
    margin-top: 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 0.8fr;
    gap: 2rem;
    padding-block: clamp(2.5rem, 6vw, 3.5rem);
}

.footer-logo {
    height: 46px;
    width: auto;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
}

.footer-slogan {
    margin-top: 0.9rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-white);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 0.7rem;
}

.site-footer a {
    color: #9fc6e4;
}

.site-footer a:hover {
    color: var(--color-white);
}

.footer-links {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-block: 1.1rem;
    font-size: 0.9rem;
    color: var(--color-secondary);
}

@media (max-width: 900px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .footer-inner {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   18. Zurück-nach-oben
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    right: 1.2rem;
    bottom: 1.2rem;
    z-index: 900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   19. Einblendanimationen (dezent, respektiert reduced motion)
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Ohne JavaScript sowie bei reduzierter Bewegung: Inhalte sofort sichtbar */
.no-js .reveal,
.no-js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* --------------------------------------------------------------------------
   20. Hilfsklassen
   -------------------------------------------------------------------------- */
.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}