/* ============================================================
   3D Flow – Main Stylesheet
   ============================================================ */

/* ── 1. Design Tokens ── */
:root {
    --blue:          #29ABE2;
    --blue-dark:     #1B8DC4;
    --blue-light:    #E8F6FD;
    --dark:          #1F2937;
    --text:          #3D3D3D;
    --text-light:    #6B7280;
    --bg:            #FFFFFF;
    --bg-alt:        #F4F7FA;
    --bg-dark:       #1F2937;
    --border:        #E5E7EB;
    --white:         #FFFFFF;

    --font:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --section-gap:   80px;
    --container-max: 1200px;
    --pad:           40px;
    --radius:        8px;
    --shadow:        0 2px 12px rgba(0,0,0,0.07);
    --shadow-hover:  0 8px 28px rgba(0,0,0,0.13);
    --transition:    0.2s ease;
}

/* ── 2. Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }
ul { list-style: none; }

/* ── 3. Typography ── */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.text-light { color: var(--text-light); }
.text-blue  { color: var(--blue); }
.text-center { text-align: center; }

/* ── 4. Layout ── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--pad);
}

.section {
    padding: var(--section-gap) 0;
}
.section--alt {
    background: var(--bg-alt);
}
.section--dark {
    background: var(--bg-dark);
    color: var(--white);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--white); }

.section-header {
    max-width: 720px;
    margin-bottom: 48px;
}
.section-header.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p  { color: var(--text-light); font-size: 1.05rem; }

/* ── 5. Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}
.btn-primary:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(41,171,226,0.35);
}
.btn-outline {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}
.btn-outline:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-1px);
}
.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}
.btn-outline-white:hover {
    background: var(--white);
    color: var(--dark);
}
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

/* ── 6. Navigation ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition);
}
.site-header.is-scrolled {
    box-shadow: 0 2px 16px rgba(0,0,0,0.10);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    gap: 24px;
}

.site-logo img,
.site-logo .custom-logo-link img,
.site-logo .custom-logo {
    height: 70px !important;
    width: auto !important;
    max-width: 240px !important;
    max-height: 70px !important;
    display: block !important;
    object-fit: contain;
}
.site-logo .custom-logo-link {
    display: flex;
    align-items: center;
    line-height: 0;
}
.site-logo .logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
}
.site-logo .logo-text span { color: var(--blue); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-menu > li > a {
    display: block;
    padding: 8px 14px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 4px;
    transition: all var(--transition);
}
.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-ancestor > a {
    color: var(--blue);
    background: var(--blue-light);
}

/* Dropdown */
.nav-menu .menu-item-has-children { position: relative; }
.nav-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    min-width: 220px;
    padding: 8px 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: all var(--transition);
}
.nav-menu .menu-item-has-children:hover .sub-menu,
.nav-menu .menu-item-has-children.is-open .sub-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.nav-menu .sub-menu a {
    display: block;
    padding: 9px 18px;
    font-size: 0.875rem;
    color: var(--text);
    transition: all var(--transition);
}
.nav-menu .sub-menu a:hover { background: var(--bg-alt); color: var(--blue); }

.nav-cta { margin-left: 8px; }
.nav-cta .btn { padding: 9px 20px; font-size: 0.875rem; }

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    border: none;
    background: none;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}
.nav-toggle.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── 7. Hero ── */
.hero {
    position: relative;
    padding: 100px 0;
    background: var(--bg-dark);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1F2937 0%, #1B3A52 60%, #0F2A3F 100%);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.18;
}
.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 700px;
}
.hero h1 {
    color: var(--white);
    margin-bottom: 20px;
}
.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.80);
    margin-bottom: 36px;
    line-height: 1.7;
}
.hero-badge {
    display: inline-block;
    background: rgba(41,171,226,0.2);
    color: var(--blue);
    border: 1px solid rgba(41,171,226,0.4);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

/* Hero – Innenseiten (heller) */
.hero--light {
    background: var(--bg-alt);
    padding: 70px 0;
}
.hero--light::before { display: none; }
.hero--light h1 { color: var(--dark); }
.hero--light .hero-sub { color: var(--text-light); }

/* ── 8. Trust Badges ── */
.trust-strip {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
}
.trust-strip-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 40px;
}
.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}
.trust-badge .icon {
    width: 32px;
    height: 32px;
    background: var(--blue-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 1rem;
    flex-shrink: 0;
}

/* ── 9. Cards & Grids ── */
.card-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.card-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.card-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--blue);
}
.card-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.card p  { color: var(--text-light); font-size: 0.9rem; margin: 0; }

/* Target Group Cards */
.target-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all var(--transition);
}
.target-card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.target-card .card-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--blue);
}
.target-card h3 { font-size: 1.3rem; margin: 0; }
.target-card p  { color: var(--text-light); margin: 0; flex-grow: 1; }

/* ── 10. Services List ── */
.service-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse .service-content { order: 2; }
.service-block.reverse .service-image  { order: 1; }

.service-content .service-number {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 12px;
}
.service-content h2 { margin-bottom: 16px; }
.service-content p  { color: var(--text-light); margin-bottom: 20px; }

.service-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}
.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
}
.service-list li::before {
    content: '✓';
    color: var(--blue);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.service-image {
    background: var(--bg-alt);
    border-radius: 12px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border);
}
.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.service-image .img-placeholder {
    color: var(--text-light);
    font-size: 0.85rem;
    text-align: center;
    padding: 20px;
}

/* ── 11. Feature Section (Re-Engineering) ── */
.feature-section {
    background: linear-gradient(135deg, #1B3A52 0%, #1F2937 100%);
    color: var(--white);
    border-radius: 16px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.feature-section h2 { color: var(--white); margin-bottom: 16px; }
.feature-section p  { color: rgba(255,255,255,0.8); margin-bottom: 20px; }
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}
.feature-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
}
.feature-list li .check {
    color: var(--blue);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}
.feature-visual {
    background: rgba(255,255,255,0.07);
    border-radius: 12px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.12);
    overflow: hidden;
}
.feature-visual .img-placeholder {
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
    text-align: center;
    padding: 20px;
}

/* ── 12. Why Us ── */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.why-item {
    padding: 32px;
    border-left: 3px solid var(--blue);
    background: var(--bg-alt);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.why-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-item p  { color: var(--text-light); font-size: 0.9rem; margin: 0; }

/* ── 13. Process Steps ── */
.steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    position: relative;
}
.steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: calc(10% + 32px);
    right: calc(10% + 32px);
    height: 2px;
    background: var(--border);
    z-index: 0;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    position: relative;
    z-index: 1;
}
.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--blue);
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(41,171,226,0.3);
}
.step h4 { font-size: 0.9rem; margin: 0 0 4px; }
.step p  { font-size: 0.8rem; color: var(--text-light); margin: 0; }

/* ── 14. FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-category { margin-bottom: 40px; }
.faq-category-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--blue-light);
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}
.faq-item.is-open { border-color: var(--blue); }
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    cursor: pointer;
    background: var(--white);
    transition: background var(--transition);
    gap: 16px;
}
.faq-question:hover { background: var(--bg-alt); }
.faq-item.is-open .faq-question { background: var(--blue-light); }
.faq-question span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark);
    flex: 1;
}
.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--blue);
    font-size: 1.1rem;
    font-weight: 700;
    transition: transform var(--transition);
}
.faq-item.is-open .faq-icon { transform: rotate(45deg); background: var(--blue); color: var(--white); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.2s ease;
}
.faq-item.is-open .faq-answer { max-height: 400px; }
.faq-answer-inner {
    padding: 0 22px 20px;
    color: var(--text-light);
    font-size: 0.925rem;
    line-height: 1.7;
}

/* ── 15. News / Blog ── */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-card-image {
    aspect-ratio: 16/9;
    background: var(--bg-alt);
    overflow: hidden;
}
.news-card-image img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.news-card-meta {
    font-size: 0.775rem;
    color: var(--text-light);
    margin-bottom: 8px;
    display: flex;
    gap: 12px;
    align-items: center;
}
.news-card-cat {
    background: var(--blue-light);
    color: var(--blue);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.news-card h3 { font-size: 1rem; margin-bottom: 8px; }
.news-card h3 a { color: var(--dark); }
.news-card h3 a:hover { color: var(--blue); }
.news-card p { font-size: 0.875rem; color: var(--text-light); flex: 1; margin-bottom: 16px; }
.news-card .read-more { font-size: 0.875rem; font-weight: 600; color: var(--blue); margin-top: auto; }
.news-card .read-more:hover { color: var(--blue-dark); }

/* ── 16. Project / Case Study Teasers ── */
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.project-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}
.project-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.project-image {
    aspect-ratio: 16/9;
    background: var(--bg-alt);
    overflow: hidden;
    position: relative;
}
.project-image img { width: 100%; height: 100%; object-fit: cover; }
.project-image .img-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.8rem;
}
.project-body { padding: 22px; }
.project-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 8px;
}
.project-body h3 { font-size: 1rem; margin-bottom: 8px; }
.project-body p { font-size: 0.875rem; color: var(--text-light); margin-bottom: 14px; }
.project-body a { font-size: 0.875rem; font-weight: 600; color: var(--blue); }

/* ── 17. CTA Sections ── */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1B3A52 0%, #1F2937 100%);
    text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p  { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }

.cta-inline {
    background: var(--blue-light);
    border-radius: 12px;
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}
.cta-inline-text h3 { margin-bottom: 8px; }
.cta-inline-text p  { color: var(--text-light); margin: 0; }

/* ── 18. Contact Form ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: start;
}
.contact-form-section { /* main column */ }
.contact-sidebar { /* right column */ }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    transition: border-color var(--transition);
    width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(41,171,226,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-optional { font-size: 0.75rem; color: var(--text-light); font-weight: 400; }

.checkbox-group { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-group input[type="checkbox"] { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--blue); }
.checkbox-group label { font-size: 0.825rem; color: var(--text-light); line-height: 1.5; }

/* Inquiry Cards */
.inquiry-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}
.inquiry-card {
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--white);
}
.inquiry-card:hover, .inquiry-card.is-selected {
    border-color: var(--blue);
    background: var(--blue-light);
}
.inquiry-card h4 { font-size: 0.9rem; margin-bottom: 4px; }
.inquiry-card p  { font-size: 0.8rem; color: var(--text-light); margin: 0; }

/* Sidebar / Help Box */
.help-box {
    background: var(--bg-alt);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 24px;
}
.help-box h4 { font-size: 1rem; margin-bottom: 14px; }
.help-box ul { display: flex; flex-direction: column; gap: 8px; }
.help-box li {
    display: flex;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-light);
    align-items: flex-start;
}
.help-box li::before { content: '→'; color: var(--blue); flex-shrink: 0; }

.contact-info { padding: 24px; background: var(--white); border: 1px solid var(--border); border-radius: 12px; }
.contact-info h4 { font-size: 1rem; margin-bottom: 16px; }
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.875rem;
    color: var(--text);
}
.contact-info-item:last-child { margin-bottom: 0; }
.contact-info-item .icon {
    color: var(--blue);
    font-weight: 700;
    flex-shrink: 0;
    width: 20px;
}
.contact-info-item a { color: var(--text); }
.contact-info-item a:hover { color: var(--blue); }

/* CF7 – Validierung */
.wpcf7-not-valid {
    border-color: #E53E3E !important;
    background: #FFF5F5 !important;
    box-shadow: 0 0 0 3px rgba(229,62,62,0.10) !important;
}
.wpcf7-not-valid-tip {
    color: #C53030;
    font-size: 0.8rem;
    margin-top: 4px;
    display: block;
}
.wpcf7-response-output {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    border-width: 1px;
    border-style: solid;
}
.wpcf7-mail-sent-ok {
    background: #F0FFF4;
    border-color: #68D391;
    color: #276749;
}
.wpcf7-validation-errors,
.wpcf7-spam-blocked {
    background: #FFF5F5;
    border-color: #FC8181;
    color: #C53030;
}

/* ── 19. About / Über uns ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.competence-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.competence-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border-left: 3px solid var(--blue);
}
.competence-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.competence-item p  { font-size: 0.85rem; color: var(--text-light); margin: 0; }

/* Case Studies */
.case-study {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px;
    margin-bottom: 28px;
}
.case-study:last-child { margin-bottom: 0; }
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.case-study-step { }
.case-study-step .step-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 6px;
}
.case-study-step p { font-size: 0.875rem; color: var(--text-light); margin: 0; }
.case-study h3 { margin-bottom: 6px; font-size: 1.15rem; }
.case-study .case-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* Two-column text block */
.two-col-text {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.two-col-text p { color: var(--text-light); }

/* ── 20. Footer ── */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.75);
    padding: 60px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-brand .footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}
.footer-brand .footer-logo span { color: var(--blue); }
.footer-brand p { font-size: 0.875rem; line-height: 1.6; margin-bottom: 20px; color: rgba(255,255,255,0.6); }

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col li a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    transition: color var(--transition);
}
.footer-col li a:hover { color: var(--white); }
.footer-col .contact-item {
    display: flex;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 8px;
}
.footer-col .contact-item a { color: rgba(255,255,255,0.7); }
.footer-col .contact-item a:hover { color: var(--white); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    gap: 20px;
    flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--white); }
.footer-links { display: flex; gap: 20px; }

/* ── 21. Page Hero (Innenseiten) ── */
.page-hero {
    background: var(--bg-dark);
    padding: 70px 0;
    position: relative;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1F2937 0%, #1B3A52 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: 14px; }
.page-hero p  { color: rgba(255,255,255,0.78); max-width: 640px; font-size: 1.05rem; }
.page-hero .btn-group { margin-top: 28px; }

/* ── 22. B2B/B2C Split ── */
.target-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.target-split-item {
    padding: 36px;
    border-radius: 12px;
    border: 2px solid var(--border);
    transition: all var(--transition);
}
.target-split-item:hover { border-color: var(--blue); box-shadow: var(--shadow-hover); }
.target-split-item .item-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--blue);
    margin-bottom: 12px;
}
.target-split-item h3 { margin-bottom: 12px; }
.target-split-item p  { color: var(--text-light); font-size: 0.9rem; margin: 0; }

/* ── 23. Single Blog Post ── */
.post-header { padding: 60px 0 40px; background: var(--bg-alt); }
.post-meta { font-size: 0.875rem; color: var(--text-light); display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.post-meta a { color: var(--blue); }
.post-body { padding: 60px 0; max-width: 760px; }
.post-body h2 { font-size: 1.6rem; margin: 32px 0 16px; }
.post-body h3 { font-size: 1.3rem; margin: 28px 0 12px; }
.post-body p  { margin-bottom: 1.2rem; line-height: 1.75; }
.post-body ul, .post-body ol { padding-left: 24px; margin-bottom: 1.2rem; }
.post-body li { margin-bottom: 6px; }
.post-body img { border-radius: var(--radius); margin: 28px 0; }

/* ── 24. 404 ── */
.error-page { text-align: center; padding: 120px 0; }
.error-page h1 { font-size: 6rem; color: var(--blue); margin-bottom: 0; }
.error-page h2 { margin-bottom: 16px; }
.error-page p  { color: var(--text-light); margin-bottom: 32px; }

/* ── 25. Utilities ── */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0 !important; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-16 { gap: 16px; }
.highlight-box {
    background: var(--blue-light);
    border-left: 4px solid var(--blue);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 20px 24px;
    margin: 24px 0;
}
.highlight-box p { margin: 0; color: var(--dark); font-weight: 500; }

/* ── 26. Media Queries ── */
@media (max-width: 1024px) {
    :root { --section-gap: 60px; --pad: 24px; }

    .nav-menu, .nav-cta { display: none; }
    .nav-toggle { display: flex; }

    .nav-menu.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 90px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px;
        gap: 4px;
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    }
    .nav-menu.is-open + .nav-cta {
        display: block;
        padding: 0 24px 16px;
        position: absolute;
        top: auto;
        background: var(--white);
    }
    .nav-menu.is-open .sub-menu {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 4px 0 4px 16px;
        display: none;
    }
    .nav-menu.is-open .menu-item-has-children.is-open .sub-menu { display: block; }
    .site-header { position: sticky; }

    .card-grid-3 { grid-template-columns: 1fr 1fr; }
    .card-grid-4 { grid-template-columns: 1fr 1fr; }
    .why-grid    { grid-template-columns: 1fr 1fr; }
    .steps       { grid-template-columns: repeat(3, 1fr); }
    .steps::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .feature-section { grid-template-columns: 1fr; gap: 32px; padding: 40px; }
    .feature-visual { aspect-ratio: 16/9; }
    .service-block { grid-template-columns: 1fr; gap: 32px; }
    .service-block.reverse .service-content { order: 1; }
    .service-block.reverse .service-image  { order: 2; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-sidebar { order: -1; }
    .case-study-grid { grid-template-columns: 1fr 1fr; }
    .news-grid { grid-template-columns: 1fr 1fr; }
    .project-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    :root { --section-gap: 48px; --pad: 16px; }

    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }

    .card-grid-3  { grid-template-columns: 1fr; }
    .card-grid-2  { grid-template-columns: 1fr; }
    .card-grid-4  { grid-template-columns: 1fr; }
    .why-grid     { grid-template-columns: 1fr; }
    .steps        { grid-template-columns: 1fr; }
    .target-split { grid-template-columns: 1fr; }
    .two-col-text { grid-template-columns: 1fr; }
    .form-row     { grid-template-columns: 1fr; }
    .inquiry-cards { grid-template-columns: 1fr; }
    .footer-grid  { grid-template-columns: 1fr; }
    .case-study-grid { grid-template-columns: 1fr; }
    .news-grid    { grid-template-columns: 1fr; }
    .project-grid { grid-template-columns: 1fr; }
    .feature-section { padding: 28px; }
    .cta-inline { flex-direction: column; text-align: center; }
    .btn-group { justify-content: center; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .trust-strip-inner { gap: 12px 24px; }
}