/* ============================================
   SAN PV Solution – Premium Solar Website
   Animations & 3D Effects
   ============================================ */

/* CSS Variables */
:root {
    --primary: #08803a;
    --primary-dark: #065c2a;
    --primary-light: #0aa34a;
    --secondary: #76b729;
    --secondary-light: #8fd43a;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark: #0f172a;
    --dark-800: #1e293b;
    --dark-700: #334155;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 40px rgba(8,128,58,0.3);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Preloader
   ============================================ */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.solar-loader {
    position: relative;
    width: 80px;
    height: 80px;
}

.sun-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    background: var(--accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 30px var(--accent), 0 0 60px rgba(245,158,11,0.4);
    animation: sunPulse 1.5s ease-in-out infinite;
}

.sun-ray {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 16px;
    background: var(--accent);
    border-radius: 2px;
    transform-origin: center 40px;
    transform: translate(-50%, -50%) rotate(calc(var(--i) * 45deg)) translateY(-30px);
    animation: rayPulse 1.5s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.1s);
}

@keyframes sunPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes rayPulse {
    0%, 100% { opacity: 0.5; height: 12px; }
    50% { opacity: 1; height: 18px; }
}

.preloader-text {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--gray-400);
    font-size: 0.875rem;
    white-space: nowrap;
}

/* ============================================
   Particles Canvas
   ============================================ */
#particles-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo img { height: 42px; width: auto; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
}

.navbar.scrolled .nav-link { color: var(--dark-700); }
.nav-link:hover { color: var(--primary); background: rgba(8,128,58,0.1); }
.nav-link.active { color: var(--primary); }

.nav-cta-link {
    background: var(--gradient) !important;
    color: var(--white) !important;
    font-weight: 600;
}

.nav-cta-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition);
}

.navbar.scrolled .nav-phone { color: var(--primary); }
.nav-phone:hover { color: var(--secondary); }

.icon-sm { width: 18px; height: 18px; }
.icon-xs { width: 14px; height: 14px; }

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

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

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

.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); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(15,23,42,0.98);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
}

.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    padding: 8px 24px;
    border-radius: 8px;
    transition: all var(--transition);
    transform: translateY(20px);
    opacity: 0;
}

.mobile-menu.active .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-link:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu.active .mobile-link:nth-child(7) { transition-delay: 0.4s; }
.mobile-menu.active .mobile-link:nth-child(8) { transition-delay: 0.45s; }

.mobile-link:hover { color: var(--secondary); }

.mobile-phone {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-size: 1.25rem;
    font-weight: 600;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
    justify-content: center;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn:hover::before { transform: translateX(100%); }

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(8,128,58,0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(8,128,58,0.5);
}

.btn-outline {
    border-color: var(--white);
    color: var(--white);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

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

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    border-color: var(--white);
    color: var(--white);
}

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

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-full { width: 100%; }

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

.hero-bg-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

.hero-3d-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        180deg,
        rgba(15,23,42,0.7) 0%,
        rgba(15,23,42,0.5) 50%,
        rgba(15,23,42,0.8) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(118,183,41,0.15);
    border: 1px solid rgba(118,183,41,0.3);
    border-radius: 100px;
    color: var(--secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i { width: 16px; height: 16px; }

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-title .gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-300);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

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

.hero-stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    display: inline;
}

.hero-stat-plus {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
}

.hero-stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.hero-stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255,255,255,0.15);
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-400);
    font-size: 0.75rem;
    animation: scrollBounce 2s ease-in-out infinite;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--gray-400);
    border-radius: 12px;
    position: relative;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: mouseScroll 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes mouseScroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ============================================
   Page Hero (Subpages)
   ============================================ */
.page-hero {
    position: relative;
    padding: 140px 0 60px;
    background: var(--dark);
    overflow: hidden;
    text-align: center;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.08;
}

.page-hero .container { position: relative; z-index: 1; }

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.breadcrumb a { color: var(--gray-400); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { color: var(--gray-500); }
.breadcrumb .breadcrumb-current { color: var(--white); font-weight: 500; }

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.1rem;
    color: var(--gray-300);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   Service Detail (Leistungen page)
   ============================================ */
.service-detail {
    padding: 80px 0;
    position: relative;
}

.service-detail:nth-child(even) { background: var(--gray-100); }

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.service-detail-reverse .service-detail-grid {
    direction: rtl;
}

.service-detail-reverse .service-detail-grid > * {
    direction: ltr;
}

.service-detail-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 20px;
}

.service-detail-icon i { width: 28px; height: 28px; }

.service-detail-content h2 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.service-detail-content p {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 28px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--dark-700);
}

.service-features li i {
    width: 18px;
    height: 18px;
    color: var(--secondary);
    flex-shrink: 0;
}

.service-detail-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform var(--transition-slow);
}

.service-detail-image:hover img { transform: scale(1.05); }

/* Placeholder image for services without photos */
.service-img-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, rgba(8,128,58,0.1) 0%, rgba(118,183,41,0.08) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.service-img-placeholder i { width: 64px; height: 64px; opacity: 0.3; }

/* ============================================
   About Page Specific
   ============================================ */
.about-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-story-text h2 { font-size: 1.8rem; margin-bottom: 16px; }
.about-story-text p { color: var(--gray-500); line-height: 1.8; margin-bottom: 16px; font-size: 0.95rem; }

/* Stats on light backgrounds (about page) */
.about-story-text .hero-stats { justify-content: flex-start; margin-top: 24px; }
.about-story-text .hero-stat-number { color: var(--primary); text-shadow: none; }
.about-story-text .hero-stat-plus { color: var(--secondary); }
.about-story-text .hero-stat-label { color: var(--gray-500); }
.about-story-text .hero-stat-divider { background: var(--gray-200); }

.about-story-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-story-image img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.team-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    box-shadow: var(--shadow-md);
}

/* Values grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.value-card-icon {
    width: 60px;
    height: 60px;
    background: rgba(8,128,58,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

.value-card-icon i { width: 28px; height: 28px; }
.value-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.value-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; }

/* ============================================
   SEO Info Section (Calculator page etc.)
   ============================================ */
.seo-content {
    padding: 60px 0;
    background: var(--gray-100);
}

.seo-content h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.seo-content p {
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

/* Project Stats Bar */
.project-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 32px 0;
    margin-bottom: 40px;
}

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

.project-stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.project-stat-label {
    font-size: 0.88rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* Map section */
.map-section {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin: 40px 0;
    height: 400px;
}

.map-section iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ============================================
   Responsive additions for subpages
   ============================================ */
@media (max-width: 768px) {
    .page-hero { padding: 120px 0 40px; }
    .service-detail-grid { grid-template-columns: 1fr; gap: 24px; }
    .service-detail-reverse .service-detail-grid { direction: ltr; }
    .about-story { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr 1fr; }
    .project-stats { flex-wrap: wrap; gap: 24px; }
    .project-stat-number { font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .values-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Partner Marquee
   ============================================ */
.partners-marquee {
    background: var(--gray-100);
    padding: 24px 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.marquee-track {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 60px;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.marquee-content img {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition);
}

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

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   Section Common
   ============================================ */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

/* CTA buttons after section content need breathing room */
.section > div[style*="text-align:center"] .btn-lg {
    margin-top: 8px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(8,128,58,0.1);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   Services – 3D Flip Cards
   ============================================ */
.leistungen-section { background: var(--white); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    perspective: 1000px;
    height: 320px;
    cursor: pointer;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.service-card:hover .service-card-inner {
    transform: rotateY(180deg);
}

.service-card-front,
.service-card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.service-card-front {
    background: var(--white);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
}

.service-card:hover .service-card-front { box-shadow: var(--shadow-lg); }

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
    transform: rotate(-5deg);
    transition: transform var(--transition);
}

.service-card:hover .service-icon { transform: rotate(0deg) scale(1.1); }
.service-icon i { width: 28px; height: 28px; }

.service-card-front h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card-front p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.service-card-back {
    background: var(--gradient);
    color: var(--white);
    transform: rotateY(180deg);
    gap: 12px;
}

.service-card-back i { width: 32px; height: 32px; opacity: 0.8; }
.service-card-back h3 { font-size: 1.1rem; }
.service-card-back p { font-size: 0.88rem; opacity: 0.9; line-height: 1.6; }

/* ============================================
   Vorteile Section
   ============================================ */
.vorteile-section {
    background: var(--gray-100);
    position: relative;
    overflow: hidden;
}

.vorteile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.vorteil-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.vorteil-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.vorteil-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.vorteil-card:hover::before { transform: scaleX(1); }

.vorteil-icon-wrap {
    position: relative;
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vorteil-icon-bg {
    position: absolute;
    inset: 0;
    background: rgba(8,128,58,0.1);
    border-radius: 50%;
    animation: iconFloat 3s ease-in-out infinite;
}

.vorteil-icon-wrap i {
    position: relative;
    width: 32px;
    height: 32px;
    color: var(--primary);
    z-index: 1;
}

@keyframes iconFloat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.vorteil-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.vorteil-card p {
    font-size: 0.92rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* Floating decorative elements */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-el {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
}

.floating-el-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation: float1 20s ease-in-out infinite;
}

.floating-el-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -50px;
    left: -50px;
    animation: float2 15s ease-in-out infinite;
}

.floating-el-3 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    top: 50%;
    left: 60%;
    animation: float3 18s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, 50px) rotate(180deg); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, -30px); }
}

@keyframes float3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 20px) scale(1.2); }
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
    position: relative;
    padding: 80px 0;
    background: var(--dark);
    overflow: hidden;
    z-index: 1;
}

.cta-banner-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.9;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Ablauf / Timeline
   ============================================ */
.ablauf-section { background: var(--white); }

.ablauf-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gray-200);
    border-radius: 3px;
}

.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: var(--gradient);
    border-radius: 3px;
    transition: height 0.1s;
}

.ablauf-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.ablauf-step:last-child { margin-bottom: 0; }

.step-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 0 0 8px var(--white), var(--shadow-md);
    position: relative;
    z-index: 2;
    transition: transform var(--transition);
}

.ablauf-step:hover .step-number { transform: scale(1.1); }

.step-content {
    flex: 1;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.ablauf-step:hover .step-content {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.step-icon {
    width: 48px;
    height: 48px;
    background: rgba(8,128,58,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 16px;
}

.step-icon i { width: 24px; height: 24px; }

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.step-content p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ============================================
   Referenzen
   ============================================ */
.referenzen-section { background: var(--gray-100); }

.referenzen-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--gray-200);
    border-radius: 100px;
    background: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover { border-color: var(--primary); color: var(--primary); }

.filter-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: var(--white);
}

.referenzen-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.ref-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
}

.ref-card.hidden {
    display: none;
}

.ref-card:hover { transform: translateY(-8px); }

.ref-card-img {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.ref-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.ref-card:hover .ref-card-img img { transform: scale(1.1); }

.ref-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6));
    display: flex;
    align-items: flex-end;
    padding: 16px;
    opacity: 0;
    transition: opacity var(--transition);
}

.ref-card:hover .ref-overlay { opacity: 1; }

.ref-tag {
    padding: 4px 12px;
    background: var(--gradient);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 100px;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-section {
    background: var(--white);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 16px;
    right: 24px;
    font-size: 4rem;
    color: var(--gray-200);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.testimonial-stars {
    display: flex;
    gap: 2px;
    color: var(--accent);
    margin-bottom: 16px;
}

.testimonial-stars i { width: 18px; height: 18px; fill: var(--accent); }

.testimonial-card blockquote p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ============================================
   Team Section
   ============================================ */
.team-section { background: var(--white); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

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

.team-img-wrap {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.team-card:hover .team-img-wrap {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

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

.team-card:hover .team-img-wrap img { transform: scale(1.1); }

.team-overlay {
    position: absolute;
    inset: 0;
    background: rgba(8,128,58,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: 50%;
}

.team-card:hover .team-overlay { opacity: 1; }

.team-social {
    display: flex;
    gap: 16px;
}

.team-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition);
}

.team-social a:hover {
    background: var(--white);
    color: var(--primary);
    transform: scale(1.15);
}

.team-social a i { width: 18px; height: 18px; }

.team-card h3 {
    font-size: 1.15rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.team-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Warum SAN PV */
.warum-san {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.warum-san h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 32px;
}

.warum-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.warum-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--white);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-700);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.warum-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.warum-item i {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

/* ============================================
   Solarrechner Section – Multi-Step Wizard
   ============================================ */
.rechner-section {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
    overflow: hidden;
}

/* Wizard container */
.wizard-container {
    max-width: 780px;
    margin: 0 auto;
}

/* --- Progress bar & steps nav --- */
.wizard-progress {
    position: relative;
    margin-bottom: 40px;
}

.wizard-progress-bar {
    position: absolute;
    top: 22px;
    left: 40px;
    right: 40px;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    z-index: 0;
}

.wizard-progress-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--progress, 0%);
    background: var(--gradient);
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.wizard-steps-nav {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.wizard-step-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    opacity: 0.5;
    transition: all var(--transition);
    pointer-events: none;
}

.wizard-step-btn.active,
.wizard-step-btn.completed {
    opacity: 1;
    pointer-events: auto;
}

.wizard-step-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: all var(--transition);
}

.wizard-step-circle i { width: 18px; height: 18px; }

.wizard-step-btn.active .wizard-step-circle {
    border-color: var(--primary);
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 0 0 5px rgba(8,128,58,0.15);
    transform: scale(1.1);
}

.wizard-step-btn.completed .wizard-step-circle {
    border-color: var(--secondary);
    background: var(--secondary);
    color: var(--white);
}

.wizard-step-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-400);
    transition: color var(--transition);
}

.wizard-step-btn.active .wizard-step-label { color: var(--primary); }
.wizard-step-btn.completed .wizard-step-label { color: var(--secondary); }

/* --- Wizard Pages --- */
.wizard-pages {
    position: relative;
    overflow: hidden;
    min-height: 500px;
}

.wizard-page {
    display: none;
    animation: wizardPageIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.wizard-page.active { display: block; }

.wizard-page.slide-out-left {
    animation: wizardSlideOutLeft 0.35s ease-in forwards;
}

.wizard-page.slide-in-right {
    animation: wizardSlideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.wizard-page.slide-out-right {
    animation: wizardSlideOutRight 0.35s ease-in forwards;
}

.wizard-page.slide-in-left {
    animation: wizardSlideInLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes wizardPageIn {
    from { opacity: 0; transform: translateY(30px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes wizardSlideOutLeft {
    to { opacity: 0; transform: translateX(-80px) scale(0.95); }
}

@keyframes wizardSlideInRight {
    from { opacity: 0; transform: translateX(80px) scale(0.95); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes wizardSlideOutRight {
    to { opacity: 0; transform: translateX(80px) scale(0.95); }
}

@keyframes wizardSlideInLeft {
    from { opacity: 0; transform: translateX(-80px) scale(0.95); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

.wizard-page-inner {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-md);
}

.wizard-page-header {
    text-align: center;
    margin-bottom: 36px;
}

.wizard-page-icon {
    width: 64px;
    height: 64px;
    background: rgba(8,128,58,0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin: 0 auto 16px;
}

.wizard-page-icon i { width: 30px; height: 30px; }

.wizard-icon-success {
    background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(118,183,41,0.15));
    color: var(--accent);
}

.wizard-page-header h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 8px;
}

.wizard-page-header p {
    font-size: 0.95rem;
    color: var(--gray-500);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Field groups */
.wizard-field-group {
    margin-bottom: 28px;
}

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

.wizard-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-700);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.rechner-hint {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* Quick select buttons (page 1 large) */
.rechner-quick-select {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.quick-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 10px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.quick-btn i { width: 22px; height: 22px; color: var(--gray-400); transition: color var(--transition); }
.quick-btn strong { font-size: 0.82rem; color: var(--dark); }
.quick-btn span { font-size: 0.72rem; color: var(--gray-400); }

.quick-btn:hover {
    border-color: var(--primary);
    background: rgba(8,128,58,0.03);
}

.quick-btn:hover i { color: var(--primary); }

.quick-btn.active {
    border-color: var(--primary);
    background: rgba(8,128,58,0.06);
    box-shadow: 0 0 0 3px rgba(8,128,58,0.1);
}

.quick-btn.active i { color: var(--primary); }

/* Roof angle selector */
.roof-angle-selector {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.angle-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 28px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition);
}

.angle-btn:hover { border-color: var(--primary); }

.angle-btn.active {
    border-color: var(--primary);
    background: rgba(8,128,58,0.05);
    box-shadow: 0 0 0 3px rgba(8,128,58,0.1);
}

.angle-visual {
    width: 60px;
    height: 40px;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.angle-roof {
    width: 50px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    transform-origin: center center;
}

.angle-btn span { font-size: 0.82rem; font-weight: 600; color: var(--gray-600); }

.angle-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 16px;
    background: rgba(8,128,58,0.05);
    border-radius: var(--radius);
    font-size: 0.82rem;
    color: var(--gray-600);
}

.angle-info i { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; }

/* Custom range slider */
.rechner-slider-wrap {
    margin-bottom: 12px;
}

.rechner-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--gray-200);
    outline: none;
    cursor: pointer;
    position: relative;
}

.rechner-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--gradient);
    border: 3px solid var(--white);
    box-shadow: 0 2px 8px rgba(8,128,58,0.4), 0 0 0 0 rgba(8,128,58,0.2);
    cursor: grab;
    transition: box-shadow 0.2s, transform 0.2s;
}

.rechner-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 12px rgba(8,128,58,0.5), 0 0 0 8px rgba(8,128,58,0.1);
}

.rechner-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.2);
}

.rechner-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient);
    border: 3px solid var(--white);
    box-shadow: 0 2px 8px rgba(8,128,58,0.4);
    cursor: grab;
}

.rechner-slider-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--gray-400);
}

.rechner-value-display {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(8,128,58,0.08);
    padding: 2px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

/* Quick select buttons */
.rechner-quick-select {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.quick-btn {
    padding: 6px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: 100px;
    background: var(--white);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition);
}

.quick-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(8,128,58,0.05);
}

.quick-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: var(--white);
}

/* --- Large Compass (Page 2) --- */
.orientation-selector-large {
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.compass-large {
    position: relative;
    width: 300px;
    height: 300px;
}

.compass-outer-ring {
    position: absolute;
    inset: 20px;
    border: 2px dashed var(--gray-200);
    border-radius: 50%;
}

.compass-directions { position: absolute; inset: 0; }

.compass-dir-btn {
    position: absolute;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    cursor: pointer;
    transition: all var(--transition);
    z-index: 2;
}

.compass-dir-label { font-weight: 700; font-size: 0.8rem; color: var(--gray-500); }
.compass-dir-pct { font-size: 0.62rem; color: var(--gray-400); font-weight: 500; }

.compass-dir-btn:hover {
    border-color: var(--primary);
    transform: scale(1.1);
    box-shadow: 0 0 16px rgba(8,128,58,0.2);
}

.compass-dir-btn.active {
    background: var(--gradient);
    border-color: transparent;
    box-shadow: 0 0 24px rgba(8,128,58,0.4);
    transform: scale(1.15);
}

.compass-dir-btn.active .compass-dir-label,
.compass-dir-btn.active .compass-dir-pct { color: var(--white); }

/* Positions */
.compass-dir-btn[data-orientation="north"]     { top: -8px; left: 50%; margin-left: -28px; }
.compass-dir-btn[data-orientation="northeast"] { top: 12%; right: 6%; }
.compass-dir-btn[data-orientation="east"]      { top: 50%; right: -8px; margin-top: -28px; }
.compass-dir-btn[data-orientation="southeast"] { bottom: 12%; right: 6%; }
.compass-dir-btn[data-orientation="south"]     { bottom: -8px; left: 50%; margin-left: -28px; }
.compass-dir-btn[data-orientation="southwest"] { bottom: 12%; left: 6%; }
.compass-dir-btn[data-orientation="west"]      { top: 50%; left: -8px; margin-top: -28px; }
.compass-dir-btn[data-orientation="northwest"] { top: 12%; left: 6%; }

.compass-center-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.compass-center-large i { width: 32px; height: 32px; color: var(--accent); }
.compass-selected { font-weight: 700; font-size: 1rem; color: var(--dark); }
.compass-factor-large {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(8,128,58,0.1);
    padding: 4px 12px;
    border-radius: 8px;
}

.orientation-hint {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    background: rgba(245,158,11,0.06);
    border: 1px solid rgba(245,158,11,0.15);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.orientation-hint i { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* --- Household selector (Page 3) --- */
.household-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.household-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.household-btn:hover { border-color: var(--primary); background: rgba(8,128,58,0.02); }

.household-btn.active {
    border-color: var(--primary);
    background: rgba(8,128,58,0.05);
    box-shadow: 0 0 0 3px rgba(8,128,58,0.1);
}

.household-icon {
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    transition: all var(--transition);
}

.household-btn.active .household-icon,
.household-btn:hover .household-icon {
    background: rgba(8,128,58,0.1);
    color: var(--primary);
}

.household-icon i { width: 20px; height: 20px; }
.household-btn strong { font-size: 0.82rem; color: var(--dark); }
.household-btn span { font-size: 0.72rem; color: var(--gray-400); }

/* --- Option Cards (Page 4) --- */
.option-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.option-card { cursor: pointer; }
.option-card input { display: none; }

.option-card-inner {
    padding: 24px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--white);
    transition: all var(--transition);
    height: 100%;
}

.option-card input:checked + .option-card-inner {
    border-color: var(--primary);
    background: rgba(8,128,58,0.02);
    box-shadow: 0 0 0 3px rgba(8,128,58,0.08);
}

.option-card:hover .option-card-inner { border-color: var(--primary); }

.option-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}

.option-card-icon {
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    transition: all var(--transition);
}

.option-card input:checked + .option-card-inner .option-card-icon {
    background: rgba(8,128,58,0.1);
    color: var(--primary);
}

.option-card-icon i { width: 24px; height: 24px; }

.option-card-inner h4 { font-size: 1rem; color: var(--dark); margin-bottom: 8px; }
.option-card-inner p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.5; margin-bottom: 14px; }

.option-card-benefits {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.option-card-benefits span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--gray-600);
}

.option-card-benefits i { width: 14px; height: 14px; color: var(--secondary); }

/* Toggle switch */

.toggle-switch {
    width: 44px;
    height: 24px;
    background: var(--gray-300);
    border-radius: 12px;
    position: relative;
    transition: background var(--transition);
    flex-shrink: 0;
}

.toggle-card input:checked + .toggle-card-inner .toggle-switch {
    background: var(--primary);
}

.toggle-knob {
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform var(--transition);
    box-shadow: var(--shadow-sm);
}

.toggle-card input:checked + .toggle-card-inner .toggle-knob {
    transform: translateX(20px);
}

/* Strompreis input */
.strompreis-field {
    margin-top: 12px;
}

.strompreis-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.strompreis-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.strompreis-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    background: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.strompreis-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(8,128,58,0.05);
}

.strompreis-input-wrap input[type="number"] {
    width: 70px;
    padding: 8px 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    color: var(--dark);
    font-family: 'Space Grotesk', sans-serif;
    outline: none;
    transition: border-color var(--transition);
    -moz-appearance: textfield;
}

.strompreis-input-wrap input::-webkit-outer-spin-button,
.strompreis-input-wrap input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.strompreis-input-wrap input:focus {
    border-color: var(--primary);
}

.strompreis-unit {
    font-size: 0.85rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* Summary preview (Page 4) */
.wizard-summary-preview {
    margin-top: 28px;
    padding: 24px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.wizard-summary-preview h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.wizard-summary-preview h4 i { width: 18px; height: 18px; color: var(--primary); }

.summary-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.88rem;
}

.summary-item:last-child { border-bottom: none; }
.summary-item span { color: var(--gray-500); }
.summary-item strong { color: var(--dark); }

/* --- Results Page (Page 5) --- */
.wizard-results-page {
    padding: 36px;
}

/* Hero result card */
.result-hero-card {
    position: relative;
    background: var(--dark);
    border-radius: var(--radius-xl);
    padding: 36px;
    text-align: center;
    margin-bottom: 28px;
    overflow: hidden;
}

.result-hero-glow {
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.1;
}

.result-hero-content { position: relative; z-index: 1; }

.result-hero-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-300);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-hero-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    text-shadow: 0 0 40px rgba(118,183,41,0.5);
    line-height: 1.1;
    margin-bottom: 4px;
}

.result-hero-value small { font-size: 0.5em; opacity: 0.8; }

.result-hero-sub {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.results-badge-large {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(118,183,41,0.15);
    color: var(--secondary-light);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 700;
    z-index: 2;
}

.results-badge-large i { width: 16px; height: 16px; }

/* Results grid tiles */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.result-tile {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    transition: all var(--transition);
}

.result-tile:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.result-tile-highlight {
    background: rgba(245,158,11,0.04);
    border-color: rgba(245,158,11,0.2);
}

.result-tile-icon {
    width: 44px;
    height: 44px;
    background: rgba(8,128,58,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin: 0 auto 10px;
}

.result-tile-icon i { width: 22px; height: 22px; }
.result-tile-icon-yellow { background: rgba(245,158,11,0.1); color: var(--accent); }
.result-tile-icon-green { background: rgba(118,183,41,0.1); color: var(--secondary); }
.result-tile-icon-gold { background: rgba(245,158,11,0.1); color: var(--accent); }
.result-tile-icon-leaf { background: rgba(34,197,94,0.1); color: #22c55e; }

.result-tile-label {
    display: block;
    font-size: 0.72rem;
    color: var(--gray-400);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.result-tile-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
}

.result-tile-value span {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-block;
}

.result-tile-money { color: var(--primary-dark); }

.result-tile-detail {
    display: block;
    font-size: 0.72rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.result-tile-bar {
    height: 5px;
    background: var(--gray-100);
    border-radius: 3px;
    margin-top: 8px;
    overflow: hidden;
}

.result-tile-bar-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 3px;
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    width: 0;
}

.result-tile-bar-green { background: var(--gradient); }

/* Cost card */
.result-cost-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.result-cost-card h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.result-cost-card h4 i { width: 18px; height: 18px; color: var(--primary); }

.result-cost-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.result-cost-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--gray-600);
    padding: 4px 0;
}

.result-cost-row span:last-child { font-weight: 600; color: var(--dark); }

.result-cost-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    padding-top: 12px;
    margin-top: 8px;
    border-top: 2px solid var(--gray-200);
}

/* CTA area */
.result-cta-area { margin-bottom: 16px; }

.rechner-cta {
    margin-bottom: 12px;
    animation: ctaPulse 3s ease-in-out infinite;
}

.rechner-cta-secondary {
    margin-bottom: 16px;
    border-color: var(--gray-300);
    color: var(--dark-700);
}

.rechner-cta-secondary:hover {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

@keyframes ctaPulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(8,128,58,0.4); }
    50% { box-shadow: 0 4px 30px rgba(8,128,58,0.6); }
}

.rechner-disclaimer {
    font-size: 0.72rem;
    color: var(--gray-400);
    text-align: center;
    line-height: 1.5;
}

.wizard-restart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    background: none;
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius);
    color: var(--gray-500);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.wizard-restart:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(8,128,58,0.03);
}

.wizard-restart i { width: 16px; height: 16px; }

/* --- Wizard Navigation --- */
.wizard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    padding: 0 4px;
}

.wizard-btn-prev,
.wizard-btn-next {
    min-width: 140px;
}

.wizard-page-indicator {
    font-size: 0.85rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* --- Rechner Responsive --- */
@media (max-width: 768px) {
    .wizard-page-inner { padding: 28px 20px; }
    .wizard-results-page { padding: 24px 16px; }
    .rechner-quick-select { grid-template-columns: repeat(2, 1fr); }
    .household-selector { grid-template-columns: repeat(2, 1fr); }
    .option-cards { grid-template-columns: 1fr; }
    .results-grid { grid-template-columns: repeat(2, 1fr); }
    .result-hero-value { font-size: 2.2rem; }
    .compass-large { width: 240px; height: 240px; }
    .compass-dir-btn { width: 44px; height: 44px; }
    .compass-dir-pct { display: none; }
    .wizard-step-label { display: none; }
    .wizard-step-circle { width: 36px; height: 36px; font-size: 0.8rem; }
    .roof-angle-selector { flex-direction: column; align-items: stretch; }
}

@media (max-width: 480px) {
    .results-grid { grid-template-columns: 1fr; }
    .rechner-quick-select { grid-template-columns: 1fr 1fr; }
    .household-selector { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section { background: var(--gray-100); }

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover { border-color: var(--primary); }

.faq-item[open] {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.faq-item summary {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark);
    list-style: none;
    transition: color var(--transition);
}

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

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

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq-item[open] .faq-icon { transform: rotate(180deg); color: var(--primary); }

.faq-answer {
    padding: 0 24px 20px;
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 0.95rem;
    animation: faqOpen 0.3s ease-out;
}

@keyframes faqOpen {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Kontakt Section
   ============================================ */
.kontakt-section { background: var(--white); }

.kontakt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.kontakt-info-card {
    background: var(--dark);
    border-radius: var(--radius-xl);
    padding: 40px;
    color: var(--white);
    display: flex;
    flex-direction: column;
    gap: 28px;
    position: relative;
    overflow: hidden;
}

.kontakt-info-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(8,128,58,0.3) 0%, transparent 70%);
    pointer-events: none;
}

.kontakt-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.kontakt-icon {
    width: 48px;
    height: 48px;
    background: rgba(118,183,41,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    flex-shrink: 0;
}

.kontakt-icon i { width: 22px; height: 22px; }

.kontakt-info-item h4 {
    font-size: 0.85rem;
    color: var(--gray-400);
    font-weight: 500;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kontakt-info-item p {
    font-size: 1rem;
    line-height: 1.6;
}

.kontakt-info-item a { color: var(--white); }
.kontakt-info-item a:hover { color: var(--secondary); }

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

.social-link {
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--gradient);
    color: var(--white);
    transform: translateY(-3px);
}

/* Contact Form */
.kontakt-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(8,128,58,0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; }

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 20px 0;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.form-checkbox label {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
    margin-bottom: 0;
}

.form-checkbox a { color: var(--primary); text-decoration: underline; }

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark);
    color: var(--gray-300);
    position: relative;
    padding-top: 40px;
}

.footer-wave {
    position: absolute;
    top: -60px;
    left: 0;
    right: 0;
    height: 60px;
    color: var(--dark);
}

.footer-wave svg { width: 100%; height: 100%; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 48px 0;
}

.footer-brand img { height: 50px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; color: var(--gray-400); }

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

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--gradient);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 0.95rem;
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
}

.footer-links a:hover { color: var(--secondary); transform: translateX(4px); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a { color: var(--gray-400); }
.footer-legal a:hover { color: var(--secondary); }

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.back-to-top i { width: 22px; height: 22px; }

/* ============================================
   Scroll Animations (initial states)
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate="fade-right"] { transform: translateX(-40px); }
[data-animate="fade-left"] { transform: translateX(40px); }

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .referenzen-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .warum-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-menu, .nav-phone { display: none; }
    .nav-toggle { display: flex; }

    .section { padding: 72px 0; }
    .section-header { margin-bottom: 40px; }

    .hero-content { padding: 100px 16px 60px; }
    .hero-stats { gap: 24px; }
    .hero-stat-number { font-size: 2rem; }
    .hero-stat-divider { height: 32px; }
    .hero-scroll-indicator { display: none; }

    .services-grid { grid-template-columns: 1fr; gap: 16px; }
    .service-card { height: 280px; }

    .vorteile-grid { grid-template-columns: 1fr; }
    .testimonials-slider { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .referenzen-grid { grid-template-columns: repeat(2, 1fr); }

    .kontakt-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }

    .ablauf-step { flex-direction: column; align-items: center; text-align: center; }
    .timeline-line { display: none; }
    .step-number { width: 64px; height: 64px; font-size: 1.2rem; }

    .warum-grid { grid-template-columns: 1fr; }
    .warum-san { padding: 32px 20px; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .hero-stat-divider { width: 48px; height: 1px; }
    .referenzen-grid { grid-template-columns: 1fr; }
    .referenzen-filter { gap: 8px; }
    .filter-btn { padding: 8px 16px; font-size: 0.8rem; }
    .kontakt-info-card { padding: 24px; }
    .kontakt-form { padding: 24px; }
}

/* ============================================
   Advanced Animations & Effects
   ============================================ */

/* Gradient border animation for sections */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.section.section-visible::before {
    width: 120px;
}

/* Glow effect on service icons */
.service-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--gradient);
    border-radius: 20px;
    opacity: 0;
    filter: blur(12px);
    transition: opacity var(--transition);
    z-index: -1;
}

.service-card:hover .service-icon::after {
    opacity: 0.4;
}

.service-icon {
    position: relative;
}

/* Animated gradient border on hover for cards */
.vorteil-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient);
    border-radius: calc(var(--radius-lg) + 2px);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition);
}

.vorteil-card:hover::after {
    opacity: 1;
}

.vorteil-card {
    position: relative;
    z-index: 1;
}

/* Shine sweep on cards */
.ref-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.3) 45%, rgba(255,255,255,0.05) 50%, transparent 55%);
    transform: translateX(-100%);
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
}

.ref-card:hover .ref-card-img::after {
    transform: translateX(100%);
}

/* Staggered letter spacing on hero title hover */
.hero-title {
    transition: letter-spacing 0.5s ease;
}

/* Pulsing CTA badge */
.hero-badge {
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(118,183,41,0.3); }
    50% { box-shadow: 0 0 0 12px rgba(118,183,41,0); }
}

/* Glowing stat numbers */
.hero-stat-number {
    text-shadow: 0 0 30px rgba(118,183,41,0.4);
}

/* Step number pulse */
.step-number {
    animation: stepPulse 3s ease-in-out infinite;
}

.ablauf-step:nth-child(1) .step-number { animation-delay: 0s; }
.ablauf-step:nth-child(2) .step-number { animation-delay: 1s; }
.ablauf-step:nth-child(3) .step-number { animation-delay: 2s; }

@keyframes stepPulse {
    0%, 100% { box-shadow: 0 0 0 8px var(--white), 0 0 0 8px rgba(8,128,58,0); }
    50% { box-shadow: 0 0 0 8px var(--white), 0 0 0 20px rgba(8,128,58,0.15); }
}

/* Kontakt icon float */
.kontakt-icon {
    animation: kontaktFloat 3s ease-in-out infinite;
}

.kontakt-info-item:nth-child(1) .kontakt-icon { animation-delay: 0s; }
.kontakt-info-item:nth-child(2) .kontakt-icon { animation-delay: 0.5s; }
.kontakt-info-item:nth-child(3) .kontakt-icon { animation-delay: 1s; }
.kontakt-info-item:nth-child(4) .kontakt-icon { animation-delay: 1.5s; }

@keyframes kontaktFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Social link ripple on hover */
.social-link::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--primary);
    opacity: 0;
    animation: none;
}

.social-link:hover::after {
    animation: ripple 0.8s ease-out;
}

.social-link {
    position: relative;
    overflow: visible;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Warum items slide glow */
.warum-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient);
    border-radius: 3px;
    transform: scaleY(0);
    transition: transform var(--transition);
}

.warum-item:hover::before {
    transform: scaleY(1);
}

.warum-item {
    position: relative;
    padding-left: 20px;
}

/* Form input animations */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(8,128,58,0.1), 0 4px 12px rgba(8,128,58,0.08);
    transform: translateY(-1px);
}

.form-group input,
.form-group select,
.form-group textarea {
    transition: all var(--transition), transform 0.2s ease;
}

/* Footer link underline animation */
.footer-links a::after {
    content: '';
    display: block;
    width: 0;
    height: 1px;
    background: var(--secondary);
    transition: width var(--transition);
    margin-top: 2px;
}

.footer-links a:hover::after {
    width: 100%;
}

/* Back to top rotation */
.back-to-top:hover i {
    animation: arrowBounce 0.5s ease;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* Section tag appearance */
.section-tag {
    position: relative;
    overflow: hidden;
}

.section-tag::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: tagShine 3s ease-in-out infinite;
}

@keyframes tagShine {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

/* Testimonial quote mark animation */
.testimonial-card::before {
    transition: all var(--transition);
}

.testimonial-card:hover::before {
    color: rgba(8,128,58,0.15);
    transform: scale(1.2);
}

/* Team image ring animation */
.team-img-wrap::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(var(--primary), var(--secondary), var(--accent), var(--primary));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition);
    animation: teamRingRotate 4s linear infinite;
}

.team-card:hover .team-img-wrap::before {
    opacity: 1;
}

@keyframes teamRingRotate {
    to { transform: rotate(360deg); }
}

.team-img-wrap {
    position: relative;
    z-index: 1;
}

/* Nav CTA button glow */
.nav-cta-link {
    position: relative;
    overflow: hidden;
}

.nav-cta-link::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient);
    border-radius: 10px;
    z-index: -1;
    filter: blur(8px);
    opacity: 0;
    transition: opacity var(--transition);
}

.nav-cta-link:hover::after {
    opacity: 0.6;
}

/* Filter button morph */
.filter-btn {
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: -1;
}

.filter-btn:hover::before {
    opacity: 0.08;
}

/* ============================================
   DSGVO Cookie Banner
   ============================================ */
#cookieBanner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: rgba(15,23,42,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px;
    animation: cookieSlideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

#cookieBanner.cookie-banner-hide {
    animation: cookieSlideDown 0.5s ease-in forwards;
}

@keyframes cookieSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes cookieSlideDown {
    to { transform: translateY(100%); opacity: 0; }
}

.cookie-banner-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 24px;
    align-items: center;
}

.cookie-text h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: var(--white, #fff);
    margin-bottom: 8px;
}

.cookie-text h4 i { width: 20px; height: 20px; color: #f59e0b; }

.cookie-text p {
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 6px;
}

.cookie-privacy-link {
    font-size: 0.8rem;
    color: #76b729;
    text-decoration: underline;
}

.cookie-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cookie-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.85rem;
    color: #e2e8f0;
}

.cookie-toggle input { display: none; }

.cookie-toggle-slider {
    width: 38px;
    height: 20px;
    background: #334155;
    border-radius: 10px;
    position: relative;
    transition: background 0.2s;
    flex-shrink: 0;
}

.cookie-toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background: #08803a;
}

.cookie-toggle input:checked + .cookie-toggle-slider::after {
    transform: translateX(18px);
}

.cookie-toggle input:disabled + .cookie-toggle-slider {
    background: #475569;
    opacity: 0.7;
}

.cookie-toggle input:disabled + .cookie-toggle-slider::after {
    transform: translateX(18px);
}

.cookie-toggle-label { font-weight: 500; }
.cookie-toggle-hint { font-size: 0.72rem; color: #64748b; }

.cookie-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cookie-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: inherit;
}

.cookie-btn-accept {
    background: linear-gradient(135deg, #08803a, #76b729);
    color: white;
}

.cookie-btn-accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(8,128,58,0.4);
}

.cookie-btn-save {
    background: rgba(255,255,255,0.08);
    color: #94a3b8;
    border: 1px solid rgba(255,255,255,0.1);
}

.cookie-btn-save:hover {
    background: rgba(255,255,255,0.12);
    color: white;
}

@media (max-width: 768px) {
    .cookie-banner-inner {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .cookie-options {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
    }
    .cookie-actions {
        flex-direction: row;
    }
    .cookie-btn { flex: 1; text-align: center; }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .navbar, .preloader, #particles-canvas, .hero-3d-canvas,
    .back-to-top, .hero-scroll-indicator, .floating-elements { display: none !important; }
    .hero { min-height: auto; background: white; }
    .hero-content { color: black; padding: 20px; }
    .section { padding: 40px 0; }
}