/* ==========================================
   MODERN PORTFOLIO - ULTIMATE CSS
   ========================================== */

/* CSS Variables & Theme */
:root {
    /* Colors - Light Mode */
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --accent: #f093fb;
    --success: #4ade80;
    --warning: #fbbf24;
    --danger: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-cool: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    
    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --border-color: #e2e8f0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    
    /* Spacing */
    --section-padding: 100px;
    --container-padding: 20px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #64748b;
    --border-color: #334155;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ==========================================
   UTILITIES
   ========================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

/* ==========================================
   BACKGROUND ANIMATIONS
   ========================================== */

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -250px;
    left: -250px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-secondary);
    bottom: -200px;
    right: -200px;
    animation-delay: 7s;
}

.orb-3 {
    width: 600px;
    height: 600px;
    background: var(--gradient-success);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -50px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

/* Particles Canvas */
#particlesCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ==========================================
   MOBILE OPTIMIZATIONS
   ========================================== */

/* Lepsze klikanie na mobile */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .filter-btn,
    .portfolio-overlay,
    .contact-card,
    .service-card {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    /* Większe obszary klikalne */
    .btn {
        min-height: 48px;
        padding: 1rem 1.5rem;
    }
    
    .nav-link {
        padding: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    /* Disable hover effects na touch */
    .service-card:hover,
    .portfolio-item:hover,
    .pricing-card:hover {
        transform: none;
    }
    
    /* Active states dla touch */
    .btn:active {
        transform: scale(0.95);
    }
    
    .service-card:active,
    .contact-card:active {
        transform: scale(0.98);
    }
}

/* ==========================================
   THEME TOGGLE
   ========================================== */

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.theme-toggle i {
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.theme-toggle .fa-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-sun {
    display: block;
    color: #fbbf24;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 20px 0;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-display);
}

.logo-icon {
    font-size: 1.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    position: relative;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.typing-text {
    display: inline-block;
    border-right: 3px solid var(--primary);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

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

/* Code Window */
.hero-image {
    animation: fadeInRight 1s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.code-window {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transition: transform 0.3s ease;
}

.code-window:hover {
    transform: translateY(-10px);
}

.window-header {
    background: var(--bg-secondary);
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.window-dots span:nth-child(1) {
    background: #ff5f56;
}

.window-dots span:nth-child(2) {
    background: #ffbd2e;
}

.window-dots span:nth-child(3) {
    background: #27c93f;
}

.window-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.window-content {
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-tag {
    color: #e06c75;
}

.code-attr {
    color: #d19a66;
}

.code-string {
    color: #98c379;
}

.code-comment {
    color: #5c6370;
    font-style: italic;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
    color: var(--text-tertiary);
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-tertiary);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-tertiary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ==========================================
   SECTIONS
   ========================================== */

section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.image-wrapper {
    position: relative;
}

.image-placeholder {
    aspect-ratio: 1;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    box-shadow: var(--shadow-2xl);
}

.floating-badge {
    position: absolute;
    padding: 10px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: float-badge 3s infinite ease-in-out;
}

.badge-1 {
    top: 20px;
    right: -20px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 40%;
    left: -30px;
    animation-delay: 1s;
}

.badge-3 {
    bottom: 20px;
    right: -10px;
    animation-delay: 2s;
}

@keyframes float-badge {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.skill-item i {
    color: var(--success);
    font-size: 1.2rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 3rem 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.service-card.featured {
    border: 2px solid var(--primary);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--gradient-secondary);
    color: white;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-features {
    margin: 1.5rem 0;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.service-features i {
    color: var(--success);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    margin-top: 1rem;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 12px;
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */

.portfolio {
    background: var(--bg-secondary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/2;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(15, 23, 42, 0.95) 60%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-content {
    color: white;
}

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.portfolio-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-content > p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.portfolio-tags span {
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    font-size: 0.8rem;
}

.portfolio-links {
    display: flex;
    gap: 1rem;
}

/* ==========================================
   TECH STACK SECTION
   ========================================== */

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.tech-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
}

.tech-category h3 i {
    color: var(--primary);
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg-primary);
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: default;
}

.tech-item:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateX(5px);
}

.tech-item i {
    font-size: 1.5rem;
}

/* ==========================================
   PROCESS SECTION
   ========================================== */

.process {
    background: var(--bg-secondary);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    font-family: var(--font-display);
    z-index: 1;
}

.step-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.step-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.step-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-family: var(--font-display);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.contact-card {
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin: 0 auto 1rem;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    transition: gap 0.3s ease;
}

.contact-link:hover {
    gap: 12px;
}

/* Contact Form */
.contact-form-container {
    padding: 3rem;
    border-radius: 20px;
}

.contact-form-container h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-family: var(--font-display);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label,
.form-group select:focus + label,
.form-group select:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    background: var(--bg-primary);
    padding: 0 5px;
    color: var(--primary);
}

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

.footer {
    background: var(--bg-tertiary);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: var(--text-tertiary);
    transition: color 0.3s ease;
}

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

/* ==========================================
   FLOATING SOCIAL BUTTONS
   ========================================== */

.floating-social {
    position: fixed;
    left: 30px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.social-float {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-100px);
    animation: slideInLeft 0.5s ease forwards;
}

.social-float:nth-child(1) { animation-delay: 0.1s; }
.social-float:nth-child(2) { animation-delay: 0.2s; }
.social-float:nth-child(3) { animation-delay: 0.3s; }

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.social-float.telegram {
    background: linear-gradient(135deg, #0088cc, #00a6ff);
}

.social-float.messenger {
    background: linear-gradient(135deg, #0084ff, #00c6ff);
}

.social-float.whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.social-float:hover {
    transform: translateX(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   3D TILT CARD
   ========================================== */

.pulse-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-ring {
    0% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
    }
}

@keyframes pulse-dot {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
    }
}

/* ==========================================
   3D TILT EFFECT
   ========================================== */

.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
}

.tilt-card:hover {
    transform: perspective(1000px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg)) scale(1.05);
}

/* ==========================================
   SKILLS PROGRESS BARS
   ========================================== */

.skills-progress {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.skill-bar-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.skill-bar-item.animated {
    opacity: 1;
    transform: translateY(0);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    font-size: 1.05rem;
}

.skill-percent {
    font-weight: 700;
    color: var(--primary);
}

.skill-bar {
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skill-bar-item.animated .skill-fill {
    width: var(--progress) !important;
}

/* ==========================================
   PRICING SECTION
   ========================================== */

.pricing-section {
    background: var(--bg-primary);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border-radius: 30px;
    transition: 0.4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background: white;
    border-radius: 50%;
    transition: 0.4s;
}

input:checked + .slider {
    background: var(--gradient-primary);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border: 3px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--bg-secondary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-badge.popular {
    background: var(--gradient-secondary);
    color: white;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    margin: 1.5rem 0;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
}

.currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.pricing-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.pricing-features {
    text-align: left;
    margin: 2rem 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.pricing-features i {
    color: var(--success);
    font-size: 1.1rem;
}

/* ==========================================
   ACHIEVEMENTS
   ========================================== */

.achievements {
    background: var(--bg-secondary);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.achievement-card {
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    transition: all 0.3s ease;
}

.achievement-card:hover .achievement-icon {
    transform: rotate(360deg) scale(1.1);
}

.achievement-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
}

.achievement-card p {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

/* ==========================================
   NEWSLETTER
   ========================================== */

.newsletter-section {
    padding: 60px 0;
}

.newsletter-content {
    padding: 3rem;
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.newsletter-text h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
}

.newsletter-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    flex: 1;
    max-width: 500px;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.newsletter-form button {
    white-space: nowrap;
}

/* ==========================================
   MATRIX RAIN (EASTER EGG)
   ========================================== */

#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10001;
    display: none;
}

#matrixCanvas.active {
    display: block;
}

/* ==========================================
   BACK TO TOP
   ========================================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

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

    .hero-image {
        order: -1;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 3rem 0;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-xl);
    }

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

    .nav-actions .btn-primary {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

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

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

    .tech-items {
        grid-template-columns: 1fr;
    }

    .process-timeline::before {
        left: 15px;
    }

    .process-step {
        grid-template-columns: 30px 1fr;
        gap: 1rem;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    /* Typography dla małych ekranów */
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    /* Navigation */
    .navbar {
        padding: 12px 0;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        top: 70px;
        height: calc(100vh - 70px);
        padding: 2rem 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 1rem 2rem;
    }
    
    /* Hero section */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-cta {
        gap: 0.75rem;
    }
    
    .hero-cta .btn {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Code window */
    .code-window {
        transform: scale(0.9);
    }
    
    .window-content pre {
        font-size: 0.75rem;
    }
    
    /* Services */
    .services-grid {
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .portfolio-filters {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Pricing */
    .pricing-grid {
        gap: 1.5rem;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    .plan-price {
        font-size: 2rem;
    }
    
    /* Skills */
    .skills-grid {
        gap: 1rem;
    }
    
    .skill-bar-fill {
        font-size: 0.8rem;
    }
    
    /* Process */
    .process-step {
        padding: 1.5rem;
    }
    
    .step-content h3 {
        font-size: 1.1rem;
    }
    
    /* Contact */
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.9rem;
        font-size: 0.95rem;
    }
    
    /* Floating elements */
    .theme-toggle {
        width: 45px;
        height: 45px;
        top: 15px;
        right: 15px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    .floating-social {
        right: 15px;
        bottom: 80px;
    }
    
    .social-float {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    /* Footer */
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-content {
        gap: 2rem;
    }
    
    .footer-column h4 {
        font-size: 1rem;
    }
}

/* Extra small devices (landscape phones, max 360px) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .section-header {
        padding: 0 1rem;
    }
    
    .code-window {
        display: none; /* Ukryj code window na bardzo małych ekranach */
    }
    
    .hero {
        text-align: center;
    }
}

/* ==========================================
   LANDSCAPE ORIENTATION (Mobile)
   ========================================== */

@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-cta {
        gap: 0.5rem;
    }
    
    .code-window {
        display: none;
    }
    
    .nav-menu {
        height: calc(100vh - 60px);
        padding: 1.5rem 0;
        overflow-y: auto;
    }
    
    .nav-link {
        padding: 0.75rem 2rem;
    }
    
    section {
        padding: 3rem 0;
    }
}