/* Architekturbüro Molazem – Schwarz/Weiß, modern */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f5f5f5;
    --color-text: #0a0a0a;
    --color-text-muted: #6b6b6b;
    --color-border: #e5e5e5;
    --color-hover: #1a1a1a;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
    --max-width: 1280px;
    --header-height: 5rem;
    --gap: 1.5rem;
    --radius: 2px;
    --transition: 0.2s ease;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-text-muted);
}

/* Header – reduziert, klar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    min-height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-inner {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text);
}

.logo-link:hover {
    color: var(--color-text);
    opacity: 0.8;
}

.logo-img {
    display: block;
    height: 2.75rem;
    width: auto;
    object-fit: contain;
    transition: opacity var(--transition);
}

.firm-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-text);
}

.main-nav a.active {
    font-weight: 600;
}

/* Main Content – Text zentriert auf allen Seiten */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem 5rem;
    text-align: center;
}

/* ========== Page Hero (Startseite, Über uns, Leistungen) ========== */
.page-hero {
    padding: 4rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.page-hero .hero-title {
    margin: 0 0 0.75rem;
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-hero .hero-lead {
    margin: 0;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Nur für Startseite: Hero mit Unterzeile */
.page-hero.hero-home .hero-lead {
    color: var(--color-text);
}

/* ========== Projektübersicht – Kategorien ========== */
.project-overview-header {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.project-overview-header h1 {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.project-overview-header h1::after {
    content: '';
    display: block;
    width: 2.5rem;
    height: 2px;
    margin: 0.5rem auto 0;
    background: var(--color-text);
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-filters a {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid var(--color-border);
    transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.category-filters a:hover,
.category-filters a.active {
    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
}

/* Projekt-Grid – Karten mit Rahmen und Hover */
.project-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--gap);
    padding-bottom: 2rem;
}

.project-card {
    aspect-ratio: 4 / 3;
    background: var(--color-bg-alt);
    overflow: hidden;
    display: block;
    color: inherit;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--color-text-muted);
}

.project-card .card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.project-card:hover .card-image {
    transform: scale(1.03);
}

.project-card .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: var(--color-bg-alt);
    border: 1px dashed var(--color-border);
}

.project-card .title {
    display: block;
    padding: 0.75rem 0.5rem 0;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--color-text);
    text-align: center;
}

.project-grid .empty-cell {
    visibility: hidden;
    pointer-events: none;
}

@media (max-width: 900px) {
    .project-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 1.25rem;
    }
    .main-content {
        padding: 0 1.25rem 3rem;
    }
    .project-overview-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem 0 1rem;
    }
    .page-hero {
        padding: 2.5rem 0 2rem;
    }
    .page-hero .hero-title {
        font-size: 1.75rem;
    }
    .content-section.alt {
        margin: 0 -1.25rem;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

/* ========== Seiteninhalt (Über uns, Kontakt, Leistungen) ========== */
.page-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 0 1rem;
    text-align: center;
}

.page-content.content-section {
    padding: 0;
}

.page-content.content-section .section-inner {
    padding: 0;
}

.page-content h1 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 0;
    margin-bottom: 2rem;
}

.page-content h2 {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.page-content h2:first-of-type {
    margin-top: 2rem;
}

.page-content p {
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

.page-content p.lead {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

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

.page-content a:hover {
    color: var(--color-text-muted);
}

/* CTA-Link als Button */
.page-content a.cta-link {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.65rem 1.25rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--color-text);
    transition: background var(--transition), color var(--transition);
}

.page-content a.cta-link:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

.page-content ul {
    margin: 0 auto 1.25rem;
    padding-left: 0;
    list-style-position: inside;
    text-align: center;
}

.page-content li {
    margin-bottom: 0.75rem;
}

.page-content ul.lph-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0 2rem;
}

.page-content ul.lph-list li {
    margin-bottom: 0;
    padding: 1.25rem 1.25rem 1.25rem 3.5rem;
    position: relative;
    border: 1px solid var(--color-border);
    border-bottom: none;
    background: var(--color-bg);
}

.page-content ul.lph-list li:last-child {
    border-bottom: 1px solid var(--color-border);
}

.page-content ul.lph-list li::before {
    content: 'LPH ' attr(data-lph);
    position: absolute;
    left: 1.25rem;
    top: 1.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.page-content ul.lph-list li strong {
    display: block;
    margin-bottom: 0.25rem;
}

/* Content-Sections mit abwechselndem Hintergrund (Leistungen) */
.content-section {
    padding: 2.5rem 0;
}

.content-section.alt {
    background: var(--color-bg-alt);
    margin: 0 -2rem;
    padding-left: 2rem;
    padding-right: 2rem;
}

.content-section .section-inner {
    max-width: 720px;
    margin: 0 auto;
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 2.5rem 2rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-inner p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.footer-nav a:hover {
    color: var(--color-text);
}

/* Formulare */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--color-text);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
    padding: 0.65rem 0.9rem;
    font: inherit;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-text);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

button[type="submit"] {
    padding: 0.7rem 1.5rem;
    font: inherit;
    font-weight: 500;
    letter-spacing: 0.02em;
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    cursor: pointer;
    transition: opacity var(--transition);
}

button[type="submit"]:hover {
    opacity: 0.85;
}

address {
    line-height: 1.7;
}

.contact-address {
    margin: 1.5rem auto;
    font-style: normal;
    color: var(--color-text);
    text-align: center;
}

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

/* ========== Unsere Leistungen – eigenes Layout ========== */
.leistungen-hero {
    background: var(--color-text);
    color: var(--color-bg);
    padding: 4.5rem 2rem 4rem;
    margin: 0 -2rem;
    text-align: center;
}

.leistungen-hero-inner {
    max-width: 640px;
    margin: 0 auto;
}

.leistungen-hero-label {
    margin: 0 0 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.7;
}

.leistungen-hero-title {
    margin: 0 0 1rem;
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.leistungen-hero-lead {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
    opacity: 0.9;
}

.leistungen-intro {
    padding: 2.5rem 2rem;
    margin: 0 -2rem;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.leistungen-wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.leistungen-intro-text {
    margin: 0 auto;
    max-width: 680px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    text-align: center;
}

.leistungen-block {
    padding: 3.5rem 2rem;
    margin: 0 -2rem;
}

.leistungen-block--light {
    background: var(--color-bg);
}

.leistungen-block--dark {
    background: var(--color-text);
    color: var(--color-bg);
}

.leistungen-block--dark .leistungen-block-lead,
.leistungen-block--dark .leistungen-block-text {
    color: rgba(255, 255, 255, 0.9);
}

.leistungen-block--dark .leistungen-block-text {
    margin-bottom: 0;
}

.leistungen-heading {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 1rem;
    margin: 0 0 2rem;
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-align: center;
}

.leistungen-heading-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    background: var(--color-text);
    color: var(--color-bg);
}

.leistungen-heading--light .leistungen-heading-num {
    background: var(--color-bg);
    color: var(--color-text);
}

.leistungen-block-lead {
    margin: 0 auto 1rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
}

.leistungen-block-text {
    margin: 0 auto 1.5rem;
    max-width: 600px;
    line-height: 1.7;
    text-align: center;
}

/* LPH-Karten-Grid */
.lph-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.lph-card {
    position: relative;
    padding: 1.5rem 1.5rem 1.5rem 4rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition), border-color var(--transition);
    text-align: center;
}

.lph-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-text);
}

.lph-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--color-text-muted);
}

.lph-card-num {
    position: absolute;
    left: 1.25rem;
    top: 1.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.lph-card-title {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.lph-card-text {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--color-text-muted);
}

/* LPH-Gruppen (4 Karten: 1-2, 3-4, 5-7, 8) */
.lph-group-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.lph-group-card {
    padding: 1.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-text);
    text-align: left;
    transition: box-shadow var(--transition);
}

.lph-group-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.lph-group-title {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.lph-group-list {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.lph-group-list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-text-muted);
}

.lph-group-list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--color-text);
}

.lph-group-vorteil {
    margin: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .lph-group-grid {
        grid-template-columns: 1fr;
    }
}

/* Schwerpunkte-Liste (dark block) */
.schwerpunkte-list {
    list-style: none;
    margin: 0 auto 1.5rem;
    padding: 0;
    text-align: center;
    display: inline-block;
}

.schwerpunkte-list li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
    font-size: 1rem;
    text-align: left;
}

.schwerpunkte-dot {
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    background: var(--color-bg);
    border-radius: 50%;
}

.schwerpunkte-groups {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.schwerpunkte-group {
    margin-bottom: 2rem;
    text-align: center;
}

.schwerpunkte-group:last-child {
    margin-bottom: 0;
}

.schwerpunkte-group-title {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-bg);
}

.schwerpunkte-intro {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* CTA-Bereich „Jetzt Projekt anfragen“ */
.leistungen-cta {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    text-align: center;
}

.leistungen-cta-title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.leistungen-cta-text {
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.leistungen-cta-btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    font-weight: 500;
    text-decoration: none;
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    transition: opacity var(--transition);
}

.leistungen-cta-btn:hover {
    opacity: 0.9;
    color: var(--color-bg);
}

/* Service-Pills */
.leistungen-services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.leistungen-service {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
}

@media (max-width: 768px) {
    .leistungen-hero {
        margin: 0 -1.25rem;
        padding: 3rem 1.25rem 2.5rem;
    }
    .leistungen-intro {
        margin: 0 -1.25rem;
        padding: 1.5rem 1.25rem;
    }
    .leistungen-block {
        margin: 0 -1.25rem;
        padding: 2rem 1.25rem;
    }
    .lph-grid {
        grid-template-columns: 1fr;
    }
    .lph-card {
        padding: 1.25rem 1.25rem 1.25rem 3.5rem;
    }
    .lph-card-num {
        left: 1rem;
        top: 1.25rem;
    }
}