/* ===============================================
   KREKIEHN CONTAINERDIENST - MODERN CSS STYLES
   Professional, responsive design for waste management
   =============================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - Krekiehn Brand Orange Palette */
    --color-primary: #ff7e00;          /* Krekiehn Orange */
    --color-primary-light: #ff9933;    /* Lighter Orange */
    --color-primary-dark: #cc6600;     /* Darker Orange */
    --color-secondary: #1a5490;        /* Blue Accent */
    --color-secondary-light: #2563eb;  /* Light Blue */
    --color-secondary-dark: #0f3460;   /* Dark Blue */
    
    /* Neutral Colors */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;
    --color-white: #ffffff;
    --color-black: #000000;
    
    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    
    /* Spacing */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    
    /* Borders & Shadows */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Container Max Width */
    --container-max-width: 1200px;
}

/* ===============================================
   RESET & BASE STYLES
   =============================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Prevent horizontal overflow */
html, body {
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
}

* {
    max-width: 100%;
}

/* Ensure all sections respect viewport width */
.hero, .certifications, .services-overview, .why-choose, .cta, .footer {
    max-width: 100vw;
    overflow-x: hidden;
}

/* Ensure grid containers don't overflow */
.hero__container, 
.certifications__container, 
.services-overview__container,
.why-choose__container,
.cta__container,
.footer__container {
    max-width: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===============================================
   UTILITY CLASSES
   =============================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===============================================
   TYPOGRAPHY
   =============================================== */

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    text-align: center;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    text-align: center;
    margin-bottom: var(--space-8);
}

.section-header {
    margin-bottom: var(--space-12);
}

/* ===============================================
   BUTTONS
   =============================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

/* ===============================================
   HEADER & NAVIGATION
   =============================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-4);
    min-height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav__logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav__logo-text {
    display: flex;
    flex-direction: column;
}

.nav__logo-main {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.nav__logo-sub {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1;
}

/* Navigation Menu */
.nav__menu {
    display: block;
}

/* Mobile Navigation */
@media (max-width: 1023px) {
    .nav__menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100vw;
        height: calc(100vh - 80px);
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
        transition: left 0.3s ease-in-out;
        z-index: 9999;
        padding: 2rem;
        overflow-y: auto;
        overflow-x: hidden;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        display: block;
        box-sizing: border-box;
    }
    
    .nav__menu.active {
        left: 0 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

.nav__list {
    display: flex;
    gap: var(--space-8);
}

/* Mobile Navigation List */
@media (max-width: 1023px) {
    .nav__list {
        flex-direction: column;
        gap: 0;
    }
}

.nav__link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
    transition: color var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
}

/* Mobile Navigation Links */
@media (max-width: 1023px) {
    .nav__link {
        display: block;
        padding: 1.2rem 1rem;
        color: white;
        font-size: var(--font-size-lg);
        font-weight: 500;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: var(--border-radius-sm);
        margin-bottom: 0.5rem;
        transition: all var(--transition-base);
        text-transform: capitalize;
    }
    
    .nav__link:hover {
        background-color: rgba(255, 255, 255, 0.1);
        transform: translateX(10px);
        color: white;
    }
    
    .nav__link.active {
        background-color: rgba(255, 255, 255, 0.15);
        color: white;
        font-weight: 600;
    }
    
    .nav__link.active::after {
        display: none;
    }
}

.nav__toggle {
    display: block;
    width: 32px;
    height: 24px;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--space-2);
    position: relative;
    z-index: 1001;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-base);
}

.nav__toggle:hover {
    background-color: var(--color-gray-100);
}

.nav__toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (min-width: 1024px) {
    .nav__toggle {
        display: none;
    }
}

/* Make sure hamburger is visible on mobile */
@media (max-width: 1023px) {
    .nav__toggle {
        display: flex;
    }
}

.nav__toggle span {
    display: block;
    position: absolute;
    width: 24px;
    height: 3px;
    background-color: var(--color-gray-700);
    transition: all var(--transition-base);
    border-radius: 1.5px;
    left: 4px;
}

.nav__toggle span:nth-child(1) {
    top: 6px;
}

.nav__toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.nav__toggle span:nth-child(3) {
    bottom: 6px;
}


/* Hamburger menu animation */

.nav__toggle.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

.nav__toggle.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ===============================================
   HERO SECTION
   =============================================== */

.hero {
    padding: 0 var(--space-4) var(--space-20) var(--space-4);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
    overflow: hidden;
}

.hero__container {
    display: grid;
    gap: var(--space-4);
    align-items: center;
}

@media (min-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }
}

.hero__content {
    order: 1;
}

@media (min-width: 768px) {
    .hero__content {
        order: 1;
    }
}

.hero__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--font-size-5xl);
    }
}

.hero__title-accent {
    color: var(--color-primary);
    display: block;
    font-size: 0.8em;
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 480px) {
    .hero__buttons {
        flex-direction: row;
        gap: var(--space-6);
    }
}

.hero__image {
    order: 2;
}

@media (min-width: 768px) {
    .hero__image {
        order: 2;
    }
}

.hero__img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ===============================================
   CERTIFICATIONS SECTION
   =============================================== */

.certifications {
    padding: var(--space-16) var(--space-4);
    background-color: var(--color-primary);
    color: var(--color-white);
}

.certifications__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.certifications__content {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .certifications__content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.cert-badge__img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    flex-shrink: 0;
}

.cert-badge__text h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.cert-badge__text p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* ===============================================
   SERVICES OVERVIEW SECTION
   =============================================== */

.services-overview {
    padding: var(--space-20) var(--space-4);
    background-color: var(--color-white);
}

.services-overview__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.services-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-10);
    }
}

.service-card {
    text-align: center;
    padding: var(--space-8);
    border-radius: var(--border-radius-xl);
    background-color: var(--color-gray-50);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    margin: 0 auto var(--space-6);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background-color: var(--color-secondary);
    transform: scale(1.1);
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.service-card__description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===============================================
   WHY CHOOSE US SECTION
   =============================================== */

.why-choose {
    padding: var(--space-20) var(--space-4);
    background-color: var(--color-gray-50);
}

.why-choose__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .why-choose__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.features-grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

.feature {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.feature__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--font-size-sm);
}

.feature__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.feature__text {
    color: var(--color-gray-600);
    font-size: var(--font-size-base);
}

.why-choose__image {
    order: -1;
}

@media (min-width: 1024px) {
    .why-choose__image {
        order: 0;
    }
}

.why-choose__img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ===============================================
   CTA SECTION
   =============================================== */

.cta {
    padding: var(--space-20) var(--space-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.cta__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.cta__content {
    text-align: center;
}

.cta__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .cta__title {
        font-size: var(--font-size-4xl);
    }
}

.cta__description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.cta__buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .cta__buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.cta__phone {
    text-align: center;
}

.cta__phone-label {
    display: block;
    font-size: var(--font-size-sm);
    opacity: 0.8;
    margin-bottom: var(--space-2);
}

.cta__phone-number {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.cta__phone-number:hover {
    opacity: 0.8;
}

/* ===============================================
   FOOTER
   =============================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-16) var(--space-4) var(--space-8);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.footer__content {
    display: grid;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer__content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .footer__content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer__section {
    display: flex;
    flex-direction: column;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer__logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer__logo-main {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.footer__logo-sub {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    line-height: 1;
}

.footer__description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-400);
}

.footer__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__contact p {
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.footer__contact a {
    color: var(--color-gray-300);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer__contact a:hover {
    color: var(--color-white);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__links a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--space-8);
}

.footer__bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer__bottom-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
}

.footer__legal a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer__legal a:hover {
    color: var(--color-gray-300);
}

/* ===============================================
   RESPONSIVE IMPROVEMENTS
   =============================================== */

@media (max-width: 480px) {
    .hero__buttons {
        align-items: stretch;
    }
    
    .btn {
        text-align: center;
        width: 100%;
    }
    
    .cta__buttons {
        align-items: stretch;
    }
}

/* ===============================================
   ACCESSIBILITY IMPROVEMENTS
   =============================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus states for better accessibility */
.btn:focus,
.nav__link:focus,
a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #000080;
        --color-secondary: #ff4500;
        --color-gray-600: #000000;
    }
}

/* ===============================================
   COMPANY TIMELINE STYLES
   =============================================== */

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-primary);
    transform: translateX(-50%);
}

@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-12);
}

.timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: calc(50% + var(--space-8));
}

.timeline-item:nth-child(even) {
    text-align: left;
    padding-left: calc(50% + var(--space-8));
}

@media (max-width: 768px) {
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
        padding-left: var(--space-12);
        padding-right: 0;
    }
}

.timeline-year {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-year::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    border: 10px solid transparent;
    border-left-color: var(--color-primary);
}

.timeline-item:nth-child(even) .timeline-year::after {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    border: 10px solid transparent;
    border-right-color: var(--color-primary);
}

@media (max-width: 768px) {
    .timeline-item:nth-child(odd) .timeline-year::after,
    .timeline-item:nth-child(even) .timeline-year::after {
        display: none;
    }
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.timeline-content p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===============================================
   VALUES SECTION STYLES
   =============================================== */

.values-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-card {
    text-align: center;
    padding: var(--space-8);
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.value-card__icon {
    font-size: 3rem;
    margin-bottom: var(--space-6);
    display: block;
}

.value-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.value-card__text {
    color: var(--color-gray-600);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* ===============================================
   LEADERSHIP SECTION STYLES
   =============================================== */

.leadership-content {
    max-width: 800px;
    margin: 0 auto;
}

.leader-card {
    display: grid;
    gap: var(--space-8);
    align-items: center;
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .leader-card {
        grid-template-columns: 300px 1fr;
        gap: var(--space-12);
    }
}

.leader-card__image {
    text-align: center;
}

.leader-card__img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-primary);
    margin: 0 auto;
}

.leader-card__name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.leader-card__position {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.leader-card__bio {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.leader-card__philosophy {
    color: var(--color-gray-700);
    font-style: italic;
    line-height: 1.7;
    padding: var(--space-4);
    background-color: var(--color-gray-50);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ===============================================
   CONTAINER GRID STYLES
   =============================================== */

.container-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .container-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .container-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.container-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.container-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.container-card__image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.container-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.container-card:hover .container-card__img {
    transform: scale(1.05);
}

.container-card__content {
    padding: var(--space-6);
}

.container-card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.container-card__specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.container-card__spec {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.container-card__description {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===============================================
   CONTACT FORM STYLES
   =============================================== */

.contact-form {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-3);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
    font-family: inherit;
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-button {
    width: 100%;
    padding: var(--space-4);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* ===============================================
   WASTE CATEGORIES STYLES
   =============================================== */

.waste-categories {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .waste-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
}

@media (min-width: 1024px) {
    .waste-categories {
        grid-template-columns: repeat(3, 1fr);
    }
}

.waste-category {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.waste-category:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.waste-category__icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.waste-category__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.waste-category__description {
    color: var(--color-gray-600);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* ===============================================
   CONTAINER SELECTION GUIDE STYLES
   =============================================== */

.selection-guide {
    display: grid;
    gap: var(--space-8);
    max-width: 800px;
    margin: 0 auto;
}

.guide-item {
    display: grid;
    gap: var(--space-6);
    padding: var(--space-6);
    background-color: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
}

@media (min-width: 768px) {
    .guide-item {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.guide-item__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.guide-item__scenario p {
    color: var(--color-gray-600);
    line-height: 1.6;
}

.guide-item__recommendation {
    background-color: var(--color-white);
    padding: var(--space-4);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-gray-200);
    font-size: var(--font-size-base);
}

.guide-item__recommendation strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--space-2);
}

/* ===============================================
   SERVICE PROMISES STYLES
   =============================================== */

.service-promises {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .service-promises {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .service-promises {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.promise-card {
    text-align: center;
    padding: var(--space-8);
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.promise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.promise-card__icon {
    font-size: 3rem;
    margin-bottom: var(--space-6);
    display: block;
}

.promise-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    line-height: 1.3;
}

.promise-card__description {
    color: var(--color-gray-600);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* ===============================================
   PHILOSOPHY SECTION STYLES
   =============================================== */

.philosophy-content {
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .philosophy-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.philosophy-quote {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-10);
    text-align: center;
}

.philosophy-quote blockquote {
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-gray-800);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.philosophy-quote cite {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    font-weight: 600;
}

.philosophy-pillars {
    display: grid;
    gap: var(--space-8);
}

.pillar {
    background-color: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.pillar__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.pillar__text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

.philosophy__img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ===============================================
   PROCESS STEPS STYLES
   =============================================== */

.process-steps {
    display: grid;
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-8);
    }
}

.step {
    text-align: center;
    position: relative;
}

.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 2;
}

.step__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.step__description {
    color: var(--color-gray-600);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* ===============================================
   QUALITY STANDARDS STYLES
   =============================================== */

.quality-standards {
    text-align: center;
}

.standards-grid {
    display: grid;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

@media (min-width: 768px) {
    .standards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .standards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.standard {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.standard__icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    display: block;
}

.standard__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.standard__text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* ===============================================
   CONTACT PAGE STYLES
   =============================================== */

.quick-contact {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .quick-contact {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }
}

.quick-contact__item {
    text-align: center;
}

.quick-contact__icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    display: block;
}

.quick-contact__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.quick-contact__link {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    text-decoration: none;
    display: block;
    margin-bottom: var(--space-2);
    transition: opacity var(--transition-base);
}

.quick-contact__link:hover {
    opacity: 0.8;
}

.quick-contact__text {
    font-size: var(--font-size-base);
    opacity: 0.9;
}

.contact-section {
    display: grid;
    gap: var(--space-12);
}

@media (min-width: 1024px) {
    .contact-section {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.contact-details {
    display: grid;
    gap: var(--space-8);
}

.contact-card {
    background-color: var(--color-gray-50);
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
}

.contact-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: var(--space-2);
}

.contact-card__content {
    color: var(--color-gray-700);
    line-height: 1.7;
}

.contact-card__content a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-card__content a:hover {
    text-decoration: underline;
}

.opening-hours {
    display: grid;
    gap: var(--space-3);
}

.opening-hour {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-gray-300);
}

.opening-hour:last-child {
    border-bottom: none;
}

.day {
    font-weight: 500;
    color: var(--color-gray-800);
}

.time {
    color: var(--color-primary);
    font-weight: 500;
}

.form-note {
    margin-top: var(--space-6);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* ===============================================
   LEGAL CONTENT STYLES
   =============================================== */

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: var(--space-20);
}

.legal-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-12);
    padding-bottom: var(--space-4);
    border-bottom: 3px solid var(--color-primary);
}

.legal-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    margin-top: var(--space-8);
}

.legal-block {
    margin-bottom: var(--space-10);
}

.legal-text {
    color: var(--color-gray-700);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.legal-text p {
    margin-bottom: var(--space-4);
}

.legal-text p:last-child {
    margin-bottom: 0;
}

.legal-text ul {
    margin: var(--space-4) 0;
    padding-left: var(--space-6);
}

.legal-text li {
    list-style: disc;
    margin-bottom: var(--space-2);
    line-height: 1.7;
}

.legal-text a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.legal-text a:hover {
    text-decoration: underline;
}

.legal-text strong {
    font-weight: 600;
    color: var(--color-gray-900);
}

/* ===============================================
   SPECIFICATIONS TABLE STYLES
   =============================================== */

.specifications-table-container {
    margin: var(--space-16) 0;
    padding: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.specifications-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
    text-align: center;
}

.table-responsive {
    overflow-x: auto;
    margin-bottom: var(--space-6);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.specifications-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    font-size: var(--font-size-sm);
}

.specifications-table thead th {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-4);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-bottom: 2px solid var(--color-primary-dark);
    white-space: nowrap;
}

.specifications-table tbody td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-gray-200);
    vertical-align: top;
}

.specifications-table tbody tr:nth-child(even) {
    background: var(--color-gray-50);
}

.specifications-table tbody tr:hover {
    background: var(--color-primary-light);
    background: rgba(255, 126, 0, 0.05);
}

/* Color-coded rows by container type */
.bauschuttmulde-row {
    border-left: 4px solid #8b5cf6;
}

.absetzmulde-row {
    border-left: 4px solid #059669;
}

.abrollbehaelter-row {
    border-left: 4px solid #dc2626;
}

.deckelcontainer-row {
    border-left: 4px solid #2563eb;
}

.specifications-note {
    background: var(--color-warning);
    background: rgba(217, 119, 6, 0.1);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

.specifications-note p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: 1.6;
}

.specifications-note strong {
    color: var(--color-warning);
    font-weight: 600;
}

/* Mobile responsiveness for table */
@media (max-width: 768px) {
    .specifications-table {
        font-size: var(--font-size-xs);
    }
    
    .specifications-table thead th,
    .specifications-table tbody td {
        padding: var(--space-2) var(--space-3);
    }
    
    .specifications-table thead th {
        font-size: var(--font-size-xs);
    }
    
    .table-responsive {
        box-shadow: none;
        border: 1px solid var(--color-gray-200);
    }
}

@media (max-width: 640px) {
    .specifications-table-container {
        padding: var(--space-4);
        margin: var(--space-8) -var(--space-4);
    }
    
    .specifications-title {
        font-size: var(--font-size-xl);
    }
}

/* ===============================================
   PRINT STYLES
   =============================================== */

@media print {
    .header,
    .nav__toggle,
    .footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .hero {
        padding: 0;
        background: none;
    }
    
    .btn {
        display: none;
    }
}