/* Reset i podstawowe style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --moving-pattern: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(37, 99, 235, 0.03) 10px, rgba(37, 99, 235, 0.03) 20px);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-light);
    background-image: var(--moving-pattern);
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

ul, ol {
    line-height: 1.8;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
}

nav {
    position: relative;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

nav a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    position: relative;
    display: inline-block;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

nav a:hover::after {
    width: 80%;
}

nav a.active {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

nav a.active::after {
    width: 80%;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 2rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Card-based steps */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.step-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 5px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, transparent 100%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.step-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--accent-color);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 12px;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.3);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.step-card:hover .step-number::after {
    opacity: 1;
}

.step-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
    margin: 3rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.timeline-time {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid var(--bg-white);
    box-shadow: var(--shadow);
}

/* Checklist */
.checklist {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s;
}

.checklist-item:hover {
    background: var(--bg-light);
}

.checklist-item input[type="checkbox"] {
    width: 24px;
    height: 24px;
    margin-right: 1rem;
    cursor: pointer;
    flex-shrink: 0;
}

.checklist-item label {
    flex: 1;
    cursor: pointer;
    user-select: none;
}

.checklist-item.completed label {
    text-decoration: line-through;
    color: var(--text-light);
}

/* Comparison table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.comparison-table tr:hover {
    background: var(--bg-light);
}

.comparison-table .check {
    color: var(--success-color);
    font-weight: bold;
}

.comparison-table .cross {
    color: var(--danger-color);
    font-weight: bold;
}

/* Forms */
.form-container {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

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

.form-group .error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error .error {
    display: block;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--danger-color);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.btn:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
    text-decoration: none;
    color: white;
}

.btn:active {
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    left: 2rem;
    background: var(--success-color);
    color: white;
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    z-index: 10000;
    display: none;
    animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 400px;
    margin-left: auto;
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.5;
}

.toast.show {
    display: block;
}

.toast.error {
    background: var(--danger-color);
}

.toast.success {
    background: var(--success-color);
}

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

@media (max-width: 768px) {
    .toast {
        right: 1rem;
        left: 1rem;
        bottom: 1rem;
        max-width: none;
        padding: 1rem 1.25rem;
        font-size: 0.95rem;
    }
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    padding: 1.5rem;
    z-index: 10000;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.cookie-banner-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s;
    min-height: 44px;
    white-space: nowrap;
}

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

.cookie-btn-reject {
    background: var(--danger-color);
    color: white;
}

.cookie-btn-settings {
    background: var(--text-light);
    color: white;
}

.cookie-btn:hover {
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 2rem 1rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-section a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Print styles for checklist */
@media print {
    body {
        background: white;
    }
    
    header, footer, nav, .cookie-banner, .btn {
        display: none;
    }
    
    .checklist {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .checklist-item input[type="checkbox"] {
        -webkit-appearance: checkbox;
        appearance: checkbox;
    }
    
    .checklist-item.completed::before {
        content: "✓ ";
        font-weight: bold;
    }
}

/* Mobile menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    gap: 5px;
    background: transparent;
    border: none;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
    display: block;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .header-container {
        position: relative;
    }
    
    .menu-toggle {
        display: flex;
        order: 2;
    }
    
    .logo {
        order: 1;
        font-size: 1.2rem;
    }
    
    nav {
        order: 3;
        width: 100%;
    }
    
    nav ul {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        gap: 0;
        padding: 0;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
        opacity: 0;
        z-index: 999;
    }
    
    nav ul.active {
        max-height: 600px;
        opacity: 1;
    }
    
    nav ul li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav ul li:last-child {
        border-bottom: none;
    }
    
    nav a {
        display: block;
        padding: 1.2rem 2rem;
        border-radius: 0;
        width: 100%;
        color: white;
    }
    
    nav a::after {
        display: none;
    }
    
    nav a:hover {
        background: rgba(255, 255, 255, 0.2);
        color: white;
        transform: none;
        box-shadow: none;
    }
    
    nav a.active {
        background: rgba(255, 255, 255, 0.25);
        color: white;
    }
    
    main {
        padding: 0 1rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .content-box {
        padding: 1.5rem;
    }
    
    .cookie-banner-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .cookie-banner-text {
        min-width: auto;
        width: 100%;
    }
    
    .cookie-banner-buttons {
        width: 100%;
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .cookie-btn {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        min-height: 48px;
    }
    
    .image-text-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Visual decorative elements */
.decorative-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow);
}

.visual-card {
    background: linear-gradient(135deg, rgba(44, 95, 141, 0.1) 0%, rgba(74, 144, 164, 0.1) 100%);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.section-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.content-box {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

/* Links styling - remove all underlines */
a {
    text-decoration: none !important;
    color: var(--primary-color);
    transition: all 0.3s ease;
    font-weight: 500;
}

a:hover,
a:focus,
a:active {
    color: var(--secondary-color);
    text-decoration: none !important;
}

a:visited {
    text-decoration: none !important;
}

.content-box a,
.content-box a:visited {
    color: var(--primary-color);
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    font-weight: 600;
    padding: 0 2px;
}

.content-box a:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
    background: rgba(37, 99, 235, 0.05);
    border-radius: 3px;
    padding: 2px 4px;
    margin: 0 -2px;
}

/* Image containers */
.content-image {
    width: 100%;
    max-width: 600px;
    height: 300px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-radius: 12px;
    margin: 1.5rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.content-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(37, 99, 235, 0.05) 10px,
        rgba(37, 99, 235, 0.05) 20px
    );
}

.content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.image-text-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .image-text-wrapper {
        grid-template-columns: 1fr;
    }
}