/* ENERGIA Biznes - Style główne */
/* Nowoczesny, jasny motyw z akcentem czerwonym i granatowym */

/* ================================
   CSS Variables & Reset
================================ */
:root {
    /* Kolory główne */
    --primary: #d92929;
    --primary-dark: #b81f1f;
    --primary-light: #e64545;
    --primary-glow: rgba(217, 41, 41, 0.15);

    /* Granat - kolor akcentowy */
    --navy: #1e3a5f;
    --navy-dark: #152a45;
    --navy-light: #2a4d7a;

    /* Tła - jasne */
    --bg-primary: #ffffff;
    --bg-secondary: #f7f8fa;
    --bg-tertiary: #eef0f4;
    --bg-card: #ffffff;
    --bg-card-hover: #f7f8fa;

    /* Tekst - ciemny */
    --text-primary: #1a1f36;
    --text-secondary: #4a5568;
    --text-muted: #718096;

    /* Gradienty */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-navy: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f7f8fa 100%);
    --gradient-glow: radial-gradient(ellipse at center, var(--primary-glow) 0%, transparent 70%);

    /* Cienie - delikatniejsze dla jasnego motywu */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px var(--primary-glow);

    /* Border */
    --border-color: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.12);

    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-main);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

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

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================
   Typography
================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-light);
}

/* ================================
   Layout & Container
================================ */
.container {
    max-width: 1380px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.container-wide {
    max-width: 1500px;
    margin: 0 auto;
    padding: var(--container-padding);
}

section {
    padding: var(--section-padding);
    position: relative;
}

/* ================================
   Buttons
================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--primary-glow), var(--shadow-md);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* ================================
   Header & Navigation
================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

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

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

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    margin-left: 20px;
}

.nav-cta-mobile {
    display: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
    border-radius: 1px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../assets/1.jpg');
    background-size: cover;
    background-position: center;
    filter: grayscale(100%);
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(217, 41, 41, 0.08);
    border: 1px solid rgba(217, 41, 41, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-badge i {
    font-size: 0.8rem;
}

.hero h1 {
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

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

/* Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(217, 41, 41, 0.2);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 41, 41, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 1.5rem;
    color: var(--primary);
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ================================
   About / Why Us Section
================================ */
.about {
    position: relative;
}

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

.about-content h2 {
    margin-bottom: 24px;
}

.about-features {
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 41, 41, 0.08);
    border-radius: var(--radius-sm);
    color: var(--primary);
    flex-shrink: 0;
}

.feature-item h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.about-visual {
    position: relative;
}

.about-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.partners-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.partner-item {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

/* ================================
   Case Studies / References
================================ */
.case-studies {
    background: var(--bg-secondary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.case-header {
    padding: 30px;
    background: linear-gradient(135deg, rgba(217, 41, 41, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--border-color);
}

.case-industry {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.case-header h3 {
    margin-bottom: 8px;
    font-size: 1.3rem;
}

.case-power {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.case-body {
    padding: 30px;
}

.case-scope {
    font-size: 0.9rem;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.case-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ================================
   Process Section
================================ */
.process {
    position: relative;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
}

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

.step-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    margin: 0 auto 24px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    position: relative;
    z-index: 2;
    transition: all var(--transition-normal);
}

.process-step:hover .step-number {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.process-step h4 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.process-step p {
    font-size: 0.9rem;
}

/* ================================
   FAQ Section
================================ */
.faq {
    background: var(--bg-secondary);
}

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

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

.faq-question i {
    font-size: 1rem;
    transition: transform var(--transition-fast);
    color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 30px 24px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================
   Cities Section
================================ */
.cities {
    position: relative;
}

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

.regions-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.region-tab {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.region-tab:hover,
.region-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.city-link {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.city-link:hover {
    background: rgba(217, 41, 41, 0.08);
    border-color: var(--primary);
    color: var(--primary);
}

/* ================================
   Contact Section
================================ */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    margin-bottom: 24px;
}

.contact-details {
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 41, 41, 0.08);
    border-radius: var(--radius-sm);
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.contact-item p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 41, 41, 0.08);
}

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

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.form-checkbox label {
    margin-bottom: 0;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ================================
   Footer
================================ */
.footer {
    background: var(--bg-tertiary);
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ================================
   Animations
================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
    50% { box-shadow: 0 0 40px var(--primary-glow); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ================================
   Utility Classes
================================ */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ================================
   Responsive Design
================================ */
@media (max-width: 1200px) {
    .services-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .process-timeline {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-timeline::before {
        display: none;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 80px 30px 40px;
        gap: 20px;
        transition: right var(--transition-normal);
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
        align-items: flex-start;
    }

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

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: 12px 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link::after {
        display: none;
    }

    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-cta {
        display: none;
    }

    .nav-cta-mobile {
        display: block;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid var(--border-color);
    }

    .nav-cta-mobile .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }

    .nav-menu li:last-child .nav-link {
        border-bottom: none;
    }

    /* Mobile menu overlay */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: -100vw;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.3);
        opacity: 0;
        transition: opacity var(--transition-normal);
        pointer-events: none;
    }

    .nav-menu.active::before {
        opacity: 1;
        pointer-events: auto;
    }

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

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cities-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

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

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

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

    .cities-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .case-metrics {
        grid-template-columns: 1fr;
    }
}

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

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

    .hero-buttons .btn {
        width: 100%;
    }

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

    .regions-tabs {
        flex-direction: column;
    }

    .region-tab {
        width: 100%;
        text-align: center;
    }
}

/* ================================
   Scrollbar Custom
================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: #c1c7d0;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ================================
   Selection
================================ */
::selection {
    background: var(--primary);
    color: white;
}

/* ================================
   Loading State
================================ */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ================================
   Cookie Banner
================================ */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 500px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    transform: translateY(150%);
    transition: transform var(--transition-normal);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner p {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
}

/* ================================
   Toast Notifications
================================ */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9999;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    margin-bottom: 12px;
    min-width: 300px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 4px solid #22c55e;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}

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

/* ================================
   Cookie Consent Banner
================================ */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 20px;
    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

#cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1380px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
}

.cookie-banner-text {
    flex: 1;
    min-width: 300px;
}

.cookie-banner-text h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.cookie-banner-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.cookie-banner-text a {
    color: var(--primary);
    text-decoration: underline;
}

.cookie-banner-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    white-space: nowrap;
}

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

.cookie-btn-accept:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.cookie-btn-reject {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.cookie-btn-reject:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.cookie-btn-settings {
    background: transparent;
    color: var(--primary);
    text-decoration: underline;
    padding: 12px 16px;
}

.cookie-btn-settings:hover {
    color: var(--primary-light);
}

/* Cookie Settings Modal */
#cookie-settings {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#cookie-settings.visible {
    opacity: 1;
    visibility: visible;
}

.cookie-settings-modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
}

.cookie-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.cookie-settings-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.cookie-settings-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
}

.cookie-settings-close:hover {
    color: var(--text-primary);
}

.cookie-category {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.cookie-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.cookie-category-header h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
}

.cookie-category p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Custom Toggle Switch */
.cookie-toggle {
    position: relative;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.cookie-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: 0.3s;
    border-radius: 26px;
}

.cookie-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    transition: 0.3s;
    border-radius: 50%;
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background-color: var(--primary);
    border-color: var(--primary);
}

.cookie-toggle input:checked + .cookie-toggle-slider:before {
    transform: translateX(22px);
    background-color: white;
}

.cookie-toggle input:disabled + .cookie-toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-settings-footer {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.cookie-settings-footer .cookie-btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    #cookie-banner {
        padding: 16px;
    }

    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-banner-buttons {
        width: 100%;
        justify-content: center;
    }

    .cookie-settings-modal {
        padding: 24px;
    }

    .cookie-settings-footer {
        flex-direction: column;
    }

    .cookie-settings-footer .cookie-btn {
        width: 100%;
    }
}

/* Cookie settings link in footer */
.cookie-settings-link {
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.cookie-settings-link:hover {
    color: var(--primary);
}