:root {
    --theme-bg: #f0f2f5;
    --theme-primary: #0066cc;
    --theme-primary-dark: #0052a3;
    --theme-primary-light: #e6f0fa;
    --theme-accent: #00a3e0;
    --theme-surface: #ffffff;
    --theme-surface-elevated: #f8f9fa;
    --theme-border: #d9dfe6;
    --theme-border-light: #e8edf2;
    --theme-text: #1a1f36;
    --theme-text-secondary: #5e6687;
    --theme-text-muted: #8993a4;
    --theme-success: #00a346;
    --theme-warning: #f5a623;
    --theme-danger: #e03030;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--theme-text);
    background: var(--theme-bg);
    overflow-x: hidden;
}

.navbar {
    background: linear-gradient(135deg, #0f4c75 0%, #1a5f96 100%);
    padding: 0.75rem 0;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand img {
    max-height: 38px;
}

.brand-text {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.brand-hydro {
    color: #ffffff;
}

.brand-nexis {
    color: #7dd3fc;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--theme-accent);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
    color: #7dd3fc;
}

.navbar-nav .nav-link:hover::after {
    width: 70%;
}

.hero-section {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #0f4c75 0%, #16639d 50%, #1e7ab8 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(125, 211, 252, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 163, 224, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 163, 224, 0.2);
    border: 1px solid rgba(125, 211, 252, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #7dd3fc;
    margin-bottom: 1.25rem;
}

.hero-section h1 {
    line-height: 1.15;
    color: #ffffff;
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.hero-section .lead {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    max-width: 580px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.hero-feature:hover {
    background: rgba(0, 163, 224, 0.25);
    border-color: var(--theme-accent);
    transform: translateY(-2px);
}

.hero-feature i {
    color: #7dd3fc;
    font-size: 0.95rem;
}

.hero-feature span {
    font-size: 0.85rem;
    font-weight: 500;
    color: #ffffff;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.btn-primary-custom {
    background: var(--theme-primary);
    color: #ffffff;
    border: none;
    padding: 0.85rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(0, 102, 204, 0.3);
    font-size: 1rem;
}

.btn-primary-custom:hover {
    background: var(--theme-primary-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.4);
}

.btn-primary-custom:focus {
    outline: 2px solid var(--theme-accent);
    outline-offset: 2px;
}

.btn-outline-custom {
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
    background: transparent;
    padding: 0.85rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 1rem;
}

.btn-outline-custom:hover {
    background: #ffffff;
    color: #0f4c75;
    border-color: #ffffff;
}

.btn-outline-custom:focus {
    outline: 2px solid var(--theme-accent);
    outline-offset: 2px;
}

.kpi-section {
    padding: 2.5rem 0;
    background: var(--theme-surface);
    margin-top: -1px;
    box-shadow: var(--shadow-sm);
}

.kpi-card {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #0f4c75 0%, #16639d 100%);
    border-radius: var(--radius-md);
    color: #ffffff;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.kpi-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: #7dd3fc;
    line-height: 1;
}

.kpi-suffix {
    font-size: 1.1rem;
    color: #7dd3fc;
    font-weight: 600;
}

.kpi-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.35rem;
}

.section-light {
    padding: 4.5rem 0;
    background: var(--theme-bg);
}

.section-dark {
    padding: 4.5rem 0;
    background: #1a3045;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--theme-text);
}

.section-title.text-white {
    color: #ffffff;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--theme-text-secondary);
    margin-bottom: 2rem;
}

.section-subtitle.text-white-50 {
    color: rgba(255, 255, 255, 0.75);
}

.feature-card {
    background: var(--theme-surface);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--theme-border-light);
}

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

.feature-card.dark-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card.dark-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(125, 211, 252, 0.3);
}

.feature-card.dark-card h3 {
    color: #ffffff;
}

.feature-card.dark-card p {
    color: rgba(255, 255, 255, 0.85);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--theme-primary) 0%, #0080e6 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon i {
    font-size: 1.2rem;
    color: #ffffff;
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--theme-text);
}

.feature-card p {
    color: var(--theme-text-secondary);
    margin-bottom: 0;
    font-size: 0.875rem;
}

.feature-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-card ul li {
    padding: 0.35rem 0;
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
}

.feature-card ul li::before {
    content: '\2022';
    color: var(--theme-primary);
    font-weight: bold;
    margin-right: 0.5rem;
}

.monitoring-card {
    background: #243b52;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
    height: 100%;
}

.monitoring-card:hover {
    background: #2d4a63;
    transform: translateY(-3px);
    border-color: rgba(125, 211, 252, 0.2);
}

.monitoring-card i {
    font-size: 1.75rem;
    color: var(--theme-accent);
    margin-bottom: 0.75rem;
}

.monitoring-card h4 {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.monitoring-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    margin-bottom: 0;
}

.karta-features {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.karta-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--theme-surface);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 1px solid var(--theme-border-light);
    align-items: flex-start;
}

.karta-item:hover {
    background: var(--theme-primary-light);
    border-color: var(--theme-primary);
    transform: translateX(4px);
}

.karta-item i {
    font-size: 1.35rem;
    color: var(--theme-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.karta-item h4 {
    font-weight: 600;
    color: var(--theme-text);
    margin-bottom: 0.2rem;
    font-size: 0.95rem;
}

.karta-item p {
    color: var(--theme-text-secondary);
    margin-bottom: 0;
    font-size: 0.85rem;
}

.karta-preview {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.karta-mockup {
    background: #1e3a52;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mockup-header {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.75rem;
    display: flex;
    gap: 0.4rem;
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
}

.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-content {
    padding: 1.25rem;
    color: #ffffff;
}

.mockup-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.mockup-subtitle {
    font-size: 0.8rem;
    color: #7dd3fc;
    margin-bottom: 1rem;
}

.mockup-stats {
    display: flex;
    gap: 0.85rem;
    margin-bottom: 1.1rem;
}

.mockup-stat {
    text-align: center;
    flex: 1;
}

.stat-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: #7dd3fc;
}

.stat-label {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.mockup-chart {
    background: #e8edf3;
    border: 1px solid #d4dde8;
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.75rem 0.6rem;
}

.mockup-chart-caption {
    font-size: 0.78rem;
    color: #1f3650;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.mockup-chart-title {
    font-size: 0.8rem;
    color: #1f3650;
    text-align: center;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.mockup-chart-svg {
    width: 100%;
    height: 172px;
    display: block;
}

.chart-optimal-band {
    fill: rgba(14, 165, 233, 0.12);
}

.chart-grid-line {
    stroke: #cfd8e3;
    stroke-width: 1;
}

.chart-axis-line {
    stroke: #b7c4d3;
    stroke-width: 1;
}

.chart-axis-label {
    fill: #35506d;
    font-size: 10px;
    font-weight: 500;
}

.chart-axis-label-end {
    text-anchor: end;
}

.chart-series-line {
    fill: none;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-point {
    fill: currentColor;
}

.series-flow {
    color: #0284c7;
    stroke: #0284c7;
}

.series-level {
    color: #7c3aed;
    stroke: #7c3aed;
}

.series-energy {
    color: #ea580c;
    stroke: #ea580c;
}

.mockup-chart-legend {
    margin-top: 0.35rem;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.72rem;
    color: #35506d;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.mockup-chart-legend i {
    font-size: 0.58rem;
}

.mockup-chart-range {
    margin-top: 0.2rem;
    font-size: 0.7rem;
    color: #4a6684;
}

.karta-cta-wrapper.text-center {
    text-align: center;
}

.btn-app {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: auto;
    background: var(--theme-primary);
    color: #ffffff;
    border: none;
    padding: 0.85rem 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(0, 102, 204, 0.25);
}

.btn-app:hover {
    background: var(--theme-primary-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.35);
}

.btn-app:focus {
    outline: 2px solid var(--theme-accent);
    outline-offset: 2px;
}

.btn-app svg {
    flex-shrink: 0;
}

.dashboard-mockup {
    background: #1e3a52;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-top: 1.5rem;
}

.dashboard-header {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.7rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dashboard-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
}

.dashboard-dot:nth-child(1) { background: #ff5f57; }
.dashboard-dot:nth-child(2) { background: #febc2e; }
.dashboard-dot:nth-child(3) { background: #28c840; }

.dashboard-title {
    margin-left: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
}

.dashboard-content {
    padding: 1.1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.1rem;
}

.dashboard-stat {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    text-align: center;
}

.dashboard-stat .stat-label {
    display: block;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.2rem;
}

.dashboard-stat .stat-value {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
}

.dashboard-stat .stat-unit {
    font-size: 0.65rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
}

.dashboard-stat .stat-trend {
    font-size: 0.6rem;
    margin-top: 0.2rem;
}

.dashboard-stat .stat-trend.positive {
    color: #4ade80;
}

.dashboard-stat .stat-trend.stable {
    color: rgba(255, 255, 255, 0.6);
}

.dashboard-chart {
    height: 70px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.chart-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 55%;
    background: linear-gradient(180deg, rgba(125, 211, 252, 0.25) 0%, rgba(125, 211, 252, 0.05) 100%);
    clip-path: polygon(0 100%, 0 45%, 15% 40%, 30% 50%, 45% 35%, 60% 45%, 75% 30%, 90% 40%, 100% 25%, 100% 100%);
}

.regeneracja-card {
    background: rgba(255, 255, 255, 0.04);
    padding: 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    height: 100%;
    transition: var(--transition);
}

.regeneracja-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-3px);
    border-color: rgba(125, 211, 252, 0.2);
}

.regeneracja-card h3 {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.regeneracja-card h3 i {
    color: var(--theme-accent);
}

.regeneracja-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    font-size: 0.8rem;
}

.compliance-box {
    background: linear-gradient(135deg, var(--theme-primary) 0%, #0080e6 100%);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.compliance-box h3 {
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.compliance-box h3 i {
    font-size: 1.15rem;
}

.compliance-box p {
    color: #ffffff;
    opacity: 0.95;
    margin-bottom: 0;
    font-size: 0.9rem;
}

.compliance-badge {
    display: inline-block;
    padding: 0.45rem 0.9rem;
    background: #ffffff;
    color: var(--theme-primary);
    font-weight: 600;
    border-radius: 50px;
    font-size: 0.75rem;
}

.accordion {
    --bs-accordion-bg: var(--theme-surface);
    --bs-accordion-border-color: var(--theme-border);
    --bs-accordion-btn-color: var(--theme-text);
    --bs-accordion-btn-bg: var(--theme-surface);
    --bs-accordion-active-bg: var(--theme-primary-light);
    --bs-accordion-active-color: var(--theme-primary);
    --bs-accordion-btn-focus-box-shadow: none;
}

.accordion-item {
    margin-bottom: 0.45rem;
    border-radius: var(--radius-sm) !important;
    overflow: hidden;
    border: 1px solid var(--theme-border);
}

.accordion-button {
    font-weight: 500;
    padding: 1rem;
    font-size: 0.95rem;
    background: var(--theme-surface);
}

.accordion-button:not(.collapsed) {
    box-shadow: none;
    background: var(--theme-primary-light);
    color: var(--theme-primary);
}

.accordion-button:focus {
    outline: 2px solid var(--theme-accent);
    outline-offset: -2px;
}

.accordion-body {
    color: var(--theme-text-secondary);
    padding: 1rem;
    background: var(--theme-surface);
    font-size: 0.9rem;
}

/* Contact section */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.1rem;
    background: var(--theme-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--theme-border-light);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--theme-primary);
    background: var(--theme-primary-light);
}

.contact-item > i {
    font-size: 1.25rem;
    color: var(--theme-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item a {
    color: var(--theme-text);
    font-weight: 500;
    text-decoration: none;
    font-size: 0.9rem;
}

.contact-item a:hover {
    color: var(--theme-primary);
}

.contact-item span {
    color: var(--theme-text);
    font-size: 0.9rem;
}

.contact-label {
    font-size: 0.7rem;
    color: var(--theme-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--theme-border-light);
}

.contact-map-caption {
    font-size: 0.8rem;
    color: var(--theme-text-secondary);
    margin: 0.5rem 0 0;
    padding: 0 0.25rem;
}

.contact-form .form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--theme-text);
    margin-bottom: 0.35rem;
}

.contact-form .form-control,
.contact-form .form-select {
    border-color: var(--theme-border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
    background: var(--theme-surface);
    color: var(--theme-text);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12);
}

.contact-form textarea.form-control {
    resize: vertical;
    min-height: 130px;
}

.contact-form .form-check-label {
    font-size: 0.8rem;
    color: var(--theme-text-secondary);
}

.contact-form .form-check-input:checked {
    background-color: var(--theme-primary);
    border-color: var(--theme-primary);
}

.contact-form-success {
    display: none;
    text-align: center;
    padding: 2.5rem;
    background: #f0f8f0;
    border-radius: var(--radius-md);
    border: 1px solid #c3e6cb;
}

.contact-form-success i {
    font-size: 3rem;
    color: var(--theme-success);
    margin-bottom: 1rem;
    display: block;
}

.contact-form-success h4 {
    color: var(--theme-text);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-form-success p {
    color: var(--theme-text-secondary);
    margin-bottom: 0;
}

.cta-section {
    padding: 4.5rem 0;
    background: linear-gradient(135deg, #0f4c75 0%, #16639d 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -15%;
    width: 50%;
    height: 160%;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 163, 224, 0.2);
    border: 1px solid rgba(125, 211, 252, 0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #7dd3fc;
    margin-bottom: 1rem;
}

.cta-section h2 {
    color: #ffffff;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.cta-section .lead {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.cta-note {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.85rem;
}

.footer {
    background: #162435;
    color: #ffffff;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #7dd3fc;
    font-size: 1.05rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

.footer a {
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: #7dd3fc;
}

.footer-badges {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.7rem;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.6rem;
    background: rgba(0, 163, 224, 0.15);
    border: 1px solid rgba(125, 211, 252, 0.25);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #7dd3fc;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.45rem;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #7dd3fc;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.15s; }
.fade-in:nth-child(3) { animation-delay: 0.2s; }
.fade-in:nth-child(4) { animation-delay: 0.25s; }
.fade-in:nth-child(5) { animation-delay: 0.3s; }
.fade-in:nth-child(6) { animation-delay: 0.35s; }
.fade-in:nth-child(7) { animation-delay: 0.4s; }
.fade-in:nth-child(8) { animation-delay: 0.45s; }

@media (max-width: 1199px) {
    .hero-section {
        padding: 120px 0 70px;
    }
}

@media (max-width: 991px) {
    .hero-section h1 {
        font-size: 2.25rem;
    }

    .hero-features {
        flex-direction: column;
        gap: 0.5rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .cta-section h2 {
        font-size: 1.75rem;
    }

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

@media (max-width: 767px) {
    .hero-section {
        padding: 100px 0 60px;
    }

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .hero-section .lead {
        font-size: 1rem;
    }

    .section-light,
    .section-dark {
        padding: 3rem 0;
    }

    .kpi-section {
        padding: 2rem 0;
    }

    .kpi-number {
        font-size: 1.85rem;
    }

    .feature-card,
    .monitoring-card,
    .regeneracja-card {
        padding: 1.15rem;
    }

    .karta-item {
        flex-direction: column;
        text-align: center;
    }

    .karta-item i {
        margin: 0 auto;
    }

    .mockup-stats {
        flex-direction: column;
        gap: 0.6rem;
    }

    .mockup-chart-svg {
        height: 150px;
    }

    .mockup-chart-caption,
    .mockup-chart-title {
        font-size: 0.72rem;
    }

    .mockup-chart-legend {
        gap: 0.5rem;
        font-size: 0.66rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-app {
        width: 100%;
        padding: 0.85rem 1.25rem;
    }
}

.logo-ticker {
    padding: 2.5rem 0;
    background: var(--theme-surface);
    border-top: 1px solid var(--theme-border-light);
    border-bottom: 1px solid var(--theme-border-light);
}

.logo-ticker .ticker-title {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--theme-text);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-ticker .ticker-wrapper {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.logo-ticker .ticker-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: ticker-scroll 50s linear infinite;
}

.logo-ticker .ticker-track:hover {
    animation-play-state: paused;
}

.logo-ticker .ticker-item {
    flex-shrink: 0;
    padding: 0.65rem 1.25rem;
    background: var(--theme-primary-light);
    border: 1px solid var(--theme-border);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--theme-text);
    white-space: nowrap;
    cursor: default;
}

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

@media (prefers-reduced-motion: reduce) {
    .logo-ticker .ticker-track {
        animation: none;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        padding-bottom: 0.5rem;
    }

    .logo-ticker .ticker-track::-webkit-scrollbar {
        height: 4px;
    }

    .logo-ticker .ticker-track::-webkit-scrollbar-track {
        background: var(--theme-border-light);
        border-radius: 2px;
    }

    .logo-ticker .ticker-track::-webkit-scrollbar-thumb {
        background: var(--theme-primary);
        border-radius: 2px;
    }
}

@media (max-width: 767px) {
    .logo-ticker {
        padding: 1.75rem 0;
    }

    .logo-ticker .ticker-title {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .logo-ticker .ticker-track {
        gap: 1rem;
    }

    .logo-ticker .ticker-item {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
}