/* =============================================
   NK5 Immobilien AG – Modern Redesign
   ============================================= */

/* CSS Custom Properties */
:root {
    --color-primary: #5D5642;
    --color-primary-dark: #4A4434;
    --color-primary-light: #736B55;
    --color-accent: #8B7D5E;
    --color-accent-light: #A8996F;
    --color-accent-dark: #6E6350;
    --color-text: #2d2d2a;
    --color-text-light: #6b6b62;
    --color-text-inverse: #ffffff;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f3ef;
    --color-bg-dark: #5D5642;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

/* =============================================
   Typography
   ============================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary-dark);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.35rem; }

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.section-label.light {
    color: var(--color-accent-light);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-header p {
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

.text-accent {
    color: var(--color-accent);
}

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary-light {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-primary-light:hover {
    background: #fff;
    color: var(--color-primary-dark);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: #fff;
    color: var(--color-primary-dark);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* =============================================
   Navbar
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 44px;
    width: auto;
    transition: all var(--transition);
}

.navbar.scrolled .logo-img {
    height: 38px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.navbar.scrolled .nav-link {
    color: var(--color-text);
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--color-accent-dark);
    background: rgba(139, 125, 94, 0.1);
}

.nav-cta {
    padding: 10px 20px;
    background: var(--color-accent);
    color: #fff !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-left: 8px;
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--color-accent-dark);
    color: #fff !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-text);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   Hero
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(30, 28, 20, 0.35) 0%,
        rgba(30, 28, 20, 0.15) 40%,
        rgba(30, 28, 20, 0.25) 70%,
        rgba(30, 28, 20, 0.55) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    padding: 0 24px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 24px;
}
.hero-title {
    color: #fff;
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 24px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.hero-title-nk,
.hero-title-5 {
    color: #fff;
    font-size: 1em;
    vertical-align: baseline;
    line-height: 1;
}

.hero-title-5 {
    position: relative;
    top: -0.16em;
}



.hero-subtitle {
    color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.5s forwards;
    font-size: 1.15rem;
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.8;
    text-align: center;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

/* Hero Fade-in-Up Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* =============================================
   Stats Bar
   ============================================= */
.stats-bar {
    background: var(--color-primary);
    padding: 40px 0;
    margin-top: -1px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #fff;
}

.stat-item i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    display: block;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
}

.stat-sublabel {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* =============================================
   About
   ============================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
    display: block;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

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

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.95rem;
}

.about-feature i {
    color: var(--color-accent);
    font-size: 1rem;
}

/* =============================================
   Services
   ============================================= */
.services {
    background: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 40px 32px;
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 1.4rem;
    color: #fff;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* =============================================
   Erstvermietung
   ============================================= */
.erstvermietung {
    background: var(--color-primary-dark);
    color: #fff;
}

.erstvermietung-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.erstvermietung-content h2 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.erstvermietung-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.25rem;
}

.erstvermietung-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.erstvermietung-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: sepia(0.25) saturate(0.85) brightness(0.85) contrast(1.05);
}

.erstvermietung-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(74, 68, 52, 0.15) 0%, rgba(74, 68, 52, 0.5) 100%);
    pointer-events: none;
    border-radius: var(--radius-lg);
    mix-blend-mode: multiply;
}

/* =============================================
   Properties – ImmoScout24 Embed
   ============================================= */
.immoplanet-wrapper {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.immoplanet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--color-primary-dark);
    color: #fff;
}

.immoplanet-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-family: var(--font-body);
}

.immoplanet-header-left strong {
    font-weight: 600;
}

.immoplanet-logo {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.immoplanet-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.12);
    transition: all var(--transition);
}

.immoplanet-link:hover {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    transform: translateY(-1px);
}

.immoplanet-body {
    padding: 48px 32px;
}

.immoplanet-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.immoplanet-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.8rem;
}

.immoplanet-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.immoplanet-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 28px;
}

.immoplanet-content p strong {
    color: var(--color-primary-dark);
}

.immoplanet-btn {
    font-size: 1.05rem;
    padding: 14px 36px;
}

.immoplanet-btn i {
    margin-right: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .immoplanet-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    .immoplanet-body {
        padding: 36px 20px;
    }
}

/* =============================================
   Partners
   ============================================= */
.partners {
    background: var(--color-bg-alt);
}

.partners-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 14px;
    align-items: center;
}

.partner-card {
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 0;
    min-width: 0;
    height: 90px;
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

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

.partner-card a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.partner-card img {
    max-height: 46px;
    max-width: 90%;
    object-fit: contain;
    filter: grayscale(80%);
    opacity: 0.7;
    transition: all var(--transition);
}

.partner-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* =============================================
   Impressum
   ============================================= */

/* =============================================
   Impressum Modal
   ============================================= */

/* =============================================
   Impressum Modal
   ============================================= */
.footer-collapse {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-collapse.active {
    max-height: 800px;
}

.footer-collapse-inner {
    padding: 16px 0 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-collapse-inner p {
    font-size: 0.85rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 6px;
}

.footer-collapse-inner p:last-child {
    margin-bottom: 0;
}

.footer-collapse-inner strong {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.footer-collapse-inner a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.footer-collapse-inner a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.footer-collapse-inner .footer-collapse-sub {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

#impressumIcon,
#datenschutzIcon {
    font-size: 0.65rem;
    margin-left: 3px;
    transition: transform 0.25s ease;
}

/* =============================================
   Contact
   ============================================= */
.contact {
    background: var(--color-primary-dark);
}

.contact .section-header h2 {
    color: #fff;
}

.contact .section-header p {
    color: rgba(255, 255, 255, 0.75);
}

.contact .section-label {
    color: var(--color-accent-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 36px;
    align-items: start;
}

/* Contact cards — left column */
.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition);
}

.contact-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent-light);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.contact-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-card-icon i {
    font-size: 1.2rem;
    color: #fff;
}

.contact-card-body {
    flex: 1;
    min-width: 0;
}

.contact-card-body h4 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.contact-card-body p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    line-height: 1.6;
}

.contact-card-arrow {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
    transition: all var(--transition);
    flex-shrink: 0;
}

.contact-card:hover .contact-card-arrow {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

/* Contact sidebar — right column */
.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-social-card {
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-social-card h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.contact-social-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-social-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.contact-social-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.contact-social-link:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateX(4px);
}



/* =============================================
   Footer
   ============================================= */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 40px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer h4 {
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-contact i {
    color: var(--color-accent);
    margin-right: 8px;
    width: 16px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: #fff;
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-left p,
.footer-bottom-right p {
    margin: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-bottom a:hover {
    color: var(--color-accent);
}

/* =============================================
   Back to Top
   ============================================= */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    color: #fff;
    transform: translateY(-4px);
}

/* =============================================
   Animations
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
    .about-grid,
    .erstvermietung-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .partners-grid {
        flex-wrap: wrap;
    }
    .partner-card {
        flex: 1 1 calc(25% - 14px);
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-primary-dark);
        flex-direction: column;
        padding: 80px 24px 24px;
        transition: right var(--transition);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-link {
        color: rgba(255, 255, 255, 0.85);
        padding: 12px 16px;
        width: 100%;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--color-accent);
        background: rgba(139, 125, 94, 0.1);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }



    .partners-grid {
        flex-wrap: wrap;
    }

    .partner-card {
        flex: 1 1 calc(33.3% - 14px);
        padding: 16px;
        height: 90px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }



    .partners-grid {
        flex-wrap: wrap;
    }

    .partner-card {
        flex: 1 1 calc(50% - 14px);
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }


}

/* Overlay for mobile menu */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.nav-overlay.visible {
    opacity: 1;
    visibility: visible;
}