/* ============================================
   LDS GmbH - Qualität, die glänzt
   Premium Website Stylesheet
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
    /* Primary Colors */
    --primary: #0056a8;
    --primary-dark: #003d7a;
    --primary-light: #2980d4;
    --primary-lighter: #e8f2fc;
    --primary-gradient: linear-gradient(135deg, #0056a8 0%, #2980d4 100%);
    --primary-gradient-reverse: linear-gradient(135deg, #2980d4 0%, #0056a8 100%);

    /* Accent Colors */
    --accent: #00b4d8;
    --accent-dark: #0096b7;
    --accent-light: #48cae4;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --dark: #0a1628;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1280px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 10px 40px rgba(0, 86, 168, 0.25);
    --shadow-card: 0 4px 24px rgba(0, 86, 168, 0.06);
    --shadow-card-hover: 0 12px 48px rgba(0, 86, 168, 0.14);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--gray-700);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--gray-900);
    line-height: 1.2;
    font-weight: 700;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ---- Preloader ---- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader .drop {
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: var(--radius-full);
    display: inline-block;
    margin: 0 4px;
    animation: loaderBounce 1.4s ease-in-out infinite both;
}

.loader .drop:nth-child(1) { animation-delay: -0.32s; }
.loader .drop:nth-child(2) { animation-delay: -0.16s; }

.loader span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
}

@keyframes loaderBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 50px rgba(0, 86, 168, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

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

.btn i {
    transition: transform var(--transition-base);
}

.btn:hover i {
    transform: translateX(4px);
}

/* ---- Navigation ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
    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: 0 2px 30px rgba(0, 0, 0, 0.06);
}

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

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
    z-index: 1001;
}

.nav-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: 1px;
}

.nav-logo .logo-sub {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.nav-logo .logo-slogan {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 400;
    font-style: italic;
    color: var(--accent);
    margin-left: 4px;
}

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

.nav-link {
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar:not(.scrolled) .nav-link {
    color: var(--white);
}

.navbar:not(.scrolled) .nav-link:hover,
.navbar:not(.scrolled) .nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--primary-lighter);
}

.nav-link.nav-cta {
    background: var(--primary-gradient);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    margin-left: 8px;
    box-shadow: var(--shadow-primary);
}

.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 86, 168, 0.35);
    background: var(--primary-gradient);
}

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

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 4px;
    transition: all var(--transition-base);
}

.navbar:not(.scrolled) .nav-toggle span {
    background: var(--white);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ---- Hero Section ---- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #0a1628 0%, #0d2b5e 40%, #0056a8 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(80px);
    opacity: 0.15;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    right: -100px;
    animation: floatShape 15s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--primary-light);
    bottom: -100px;
    left: -100px;
    animation: floatShape 12s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-light);
    top: 50%;
    left: 40%;
    animation: floatShape 18s ease-in-out infinite;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 15px) scale(1.02); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: var(--accent-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--warning);
}

.hero h1 {
    color: var(--white);
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
}

.hero-title-line.accent {
    color: var(--accent-light);
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 540px;
}

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

.hero .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.3);
}

.hero .btn-primary:hover {
    box-shadow: 0 14px 40px rgba(0, 180, 216, 0.45);
}

.hero .btn-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    color: var(--white);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-label {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
}

.hero-image-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.15), rgba(0, 86, 168, 0.15));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphShape 8s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.08);
}

@keyframes morphShape {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 36% 64% / 52% 68% 32% 48%; }
    50% { border-radius: 50% 50% 34% 66% / 56% 36% 64% 44%; }
    75% { border-radius: 42% 58% 64% 36% / 48% 52% 48% 52%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

.hero-icon-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 3s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-img {
    width: 450px;
    max-width: 95%;
    height: auto;
    filter: brightness(0) invert(1) drop-shadow(0 0 40px rgba(255, 255, 255, 0.5));
    opacity: 1;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.05); }
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.97);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.1rem;
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-1 i { color: var(--success); }

.card-2 {
    bottom: 25%;
    left: -15%;
    animation-delay: 2s;
}

.card-2 i { color: var(--primary); }

.card-3 {
    bottom: 5%;
    right: 5%;
    animation-delay: 4s;
}

.card-3 i { color: var(--warning); }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Hero Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.hero-scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color var(--transition-base);
}

.hero-scroll-indicator a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.scroll-arrow {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 6px; opacity: 1; }
    100% { top: 22px; opacity: 0; }
}

/* ---- Section Styles ---- */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: var(--primary-lighter);
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ---- Services Grid ---- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon-wrapper {
    position: relative;
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.service-icon-bg {
    position: absolute;
    inset: 0;
    background: var(--primary-lighter);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon-bg {
    background: var(--primary);
    transform: rotate(6deg);
}

.service-icon-wrapper i {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1.6rem;
    color: var(--primary);
    transition: color var(--transition-base);
}

.service-card:hover .service-icon-wrapper i {
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-price {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-lighter);
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 16px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.service-link:hover {
    gap: 12px;
    color: var(--primary-dark);
}

.service-card-cta {
    background: var(--primary-lighter);
    border-color: transparent;
}

.service-card-cta:hover {
    background: var(--white);
}

/* ---- Probleme Section ---- */
.probleme {
    background: var(--gray-50);
}

.probleme-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.probleme-intro {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.8;
}

.pain-points {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pain-points li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    font-weight: 500;
    color: var(--gray-700);
}

.pain-points li:hover {
    border-color: var(--danger);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.08);
    transform: translateX(6px);
}

.pain-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 1rem;
    flex-shrink: 0;
}

.probleme-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.cleaning-visual {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-lighter), rgba(0, 180, 216, 0.1));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: morphShape 10s ease-in-out infinite;
}

.cleaning-visual i {
    font-size: 6rem;
    color: var(--primary);
    opacity: 0.6;
}

/* ---- Lösung Section ---- */
.loesung {
    background: var(--white);
}

.loesung-grid {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.loesung-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    border: 2px solid var(--gray-200);
    width: 100%;
    transition: all var(--transition-base);
}

.loesung-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: scale(1.02);
}

.loesung-card.challenge {
    border-color: var(--gray-300);
}

.loesung-card.solution {
    border-color: var(--primary);
    background: var(--primary-lighter);
}

.loesung-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.challenge .loesung-icon {
    background: var(--gray-100);
    color: var(--gray-600);
}

.solution .loesung-icon {
    background: var(--primary);
    color: var(--white);
}

.loesung-card h3 {
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.loesung-card p {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.7;
}

.loesung-connector {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    margin: -12px 0;
    z-index: 2;
    box-shadow: var(--shadow-primary);
}

/* ---- Preise Section ---- */
.preise {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-8px);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-primary);
}

.pricing-card.featured:hover {
    box-shadow: 0 20px 60px rgba(0, 86, 168, 0.3);
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header {
    padding: 32px 28px 20px;
    text-align: center;
}

.pricing-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.5rem;
    color: var(--primary);
}

.featured .pricing-icon {
    background: var(--primary);
    color: var(--white);
}

.pricing-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.pricing-body {
    padding: 0 28px 24px;
    text-align: center;
    flex: 1;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 8px;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.price-currency {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.price-unit {
    font-size: 0.95rem;
    color: var(--gray-500);
    font-weight: 500;
    margin-left: 4px;
}

.price-alt {
    font-size: 0.88rem;
    color: var(--gray-500);
    margin-bottom: 16px;
    font-weight: 500;
}

.pricing-features {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--gray-600);
}

.pricing-features li i {
    color: var(--success);
    font-size: 0.85rem;
}

.pricing-footer {
    padding: 20px 28px 28px;
}

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

/* ---- Vorteile Section ---- */
.vorteile {
    background: var(--white);
}

.vorteile-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.vorteil-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.vorteil-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
}

.vorteil-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-lighter);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.vorteil-card:hover .vorteil-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.vorteil-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

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

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

/* ---- Prozess Section ---- */
.prozess {
    background: linear-gradient(135deg, #0a1628 0%, #0d2b5e 40%, #0056a8 100%);
    color: var(--white);
}

.prozess .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-light);
}

.prozess .section-title {
    color: var(--white);
}

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

.process-timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.process-step:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    position: absolute;
    top: 12px;
    right: 24px;
    line-height: 1;
}

.step-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.step-content h3 {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-content p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ---- Garantien Section ---- */
.garantien {
    background: var(--gray-50);
}

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

.garantie-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.garantie-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
}

.garantie-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-lighter);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.garantie-card:hover .garantie-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.garantie-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

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

/* ---- Kontakt Section ---- */
.kontakt {
    background: var(--gray-50);
}

.kontakt .section-header {
    margin-bottom: 48px;
}

.kontakt-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.kontakt-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.kontakt-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
}

.kontakt-card-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-lighter);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.6rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.kontakt-card:hover .kontakt-card-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.kontakt-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kontakt-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.kontakt-card-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: auto;
    transition: gap var(--transition-base);
}

.kontakt-card:hover .kontakt-card-action {
    gap: 10px;
}

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

/* ---- Footer ---- */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    padding-top: 0;
}

.footer-wave {
    color: var(--gray-50);
    margin-bottom: 60px;
}

.footer-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 8px;
}

.footer-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--white);
}

.footer-logo .logo-sub {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-light);
}

.footer-slogan {
    color: var(--accent-light);
    font-style: italic;
    font-size: 0.88rem;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-base);
}

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

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-light);
    padding-left: 6px;
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
}

.footer-contact li i {
    color: var(--primary-light);
    width: 16px;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 0.85rem;
}

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

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

/* ---- Back to Top ---- */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-primary);
    z-index: 100;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ---- WhatsApp Button ---- */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: all var(--transition-base);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}

/* ---- Animation Classes ---- */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* ---- Responsive Design ---- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .probleme-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .probleme-visual {
        order: -1;
    }

    .cleaning-visual {
        width: 200px;
        height: 200px;
    }

    .cleaning-visual i {
        font-size: 4rem;
    }

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

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

    .process-timeline {
        grid-template-columns: 1fr;
    }

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

    .kontakt-info .section-title {
        text-align: center;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    /* Mobile Nav */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 100px 32px 40px;
        gap: 4px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-base);
        overflow-y: auto;
    }

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

    .nav-link {
        color: var(--gray-700) !important;
        padding: 14px 20px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-link:hover,
    .nav-link.active {
        background: var(--primary-lighter);
        color: var(--primary) !important;
    }

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

    .hero-title-line {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .kontakt-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-bottom-links {
        justify-content: center;
    }

    .section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
    }
}

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

    .hero {
        padding: 100px 0 60px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 0.92rem;
    }

    .floating-card {
        display: none;
    }

    .process-step {
        padding: 24px;
    }

    .step-number {
        font-size: 2.5rem;
    }
}

/* ---- Print Styles ---- */
@media print {
    .navbar,
    .back-to-top,
    .whatsapp-btn,
    .hero-scroll-indicator,
    #preloader {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
        background: var(--white) !important;
        color: var(--gray-900) !important;
    }

    .section {
        padding: 40px 0;
    }
}