/* ==========================================================================
   PORTFOLIO DESIGN SYSTEM & GLOBAL STYLES (Grzegorz Sikorski)
   ========================================================================== */

/* Zmienne CSS - Paleta kolorów, Typografia i Cienie */
:root {
    --bg-dark: #07080d;
    --bg-dark-secondary: #0f111a;
    --card-bg: rgba(17, 20, 34, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(168, 85, 247, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-violet: #a855f7;
    --accent-cyan: #06b6d4;
    --accent-blue: #3b82f6;
    
    --gradient-accent: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 100%);
    --gradient-accent-hover: linear-gradient(135deg, #b55fe6 0%, #08c7e0 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
    --gradient-card: linear-gradient(145deg, rgba(20, 24, 43, 0.7) 0%, rgba(10, 12, 22, 0.7) 100%);
    
    --font-headings: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(168, 85, 247, 0.2);
    --shadow-glow-cyan: 0 0 25px rgba(6, 118, 212, 0.2);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--gradient-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

li {
    list-style: none;
}

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

/* ==========================================================================
   DYNAMICZNE TŁO (NEON GLOW EFFECT)
   ========================================================================== */
.bg-glow, .bg-glow-2 {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(140px);
    opacity: 0.25;
    mix-blend-mode: screen;
}

.bg-glow {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.8) 0%, rgba(0, 0, 0, 0) 70%);
    top: -10%;
    right: -10%;
    animation: floatingGlow 15s infinite alternate ease-in-out;
}

.bg-glow-2 {
    background: radial-gradient(circle, rgba(6, 182, 212, 0.8) 0%, rgba(0, 0, 0, 0) 70%);
    bottom: -10%;
    left: -10%;
    animation: floatingGlow2 20s infinite alternate ease-in-out;
}

@keyframes floatingGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-100px, 80px) scale(1.2); }
}

@keyframes floatingGlow2 {
    0% { transform: translate(0, 0) scale(1.2); }
    100% { transform: translate(120px, -90px) scale(0.9); }
}

/* ==========================================================================
   KOMPONENTY GLOBALNE (PRZYCISKI, ODZNAKI, SEKCJE)
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

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

.section-title {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    margin: 0 auto;
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: -40px auto 50px auto;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Gradientowy Tekst */
.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Odznaka (Badge) */
.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: var(--accent-violet);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.05);
}

/* Przyciski (Buttons) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-primary);
    border: none;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--gradient-accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 0 35px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translate(3px, -3px);
}

/* ==========================================================================
   NAGŁÓWEK (STICKY HEADER & NAV)
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(7, 8, 13, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    z-index: 100;
    transition: var(--transition-normal);
}

.header.scrolled {
    height: 70px;
    background: rgba(7, 8, 13, 0.85);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-headings);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-accent {
    color: var(--accent-violet);
    font-weight: 600;
    transition: var(--transition-fast);
}

.logo:hover .logo-accent {
    color: var(--accent-cyan);
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-btn {
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: var(--accent-violet) !important;
    padding: 8px 20px !important;
    border-radius: 6px;
    font-weight: 600;
}

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

.nav-btn:hover {
    background: var(--gradient-accent);
    color: var(--text-primary) !important;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Hamburgery dla wersji mobilnej */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition-fast);
    background-color: var(--text-primary);
    border-radius: 2px;
}

/* ==========================================================================
   SEKCJA HERO (PIERWSZE WRAŻENIE)
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-title {
    font-family: var(--font-headings);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-family: var(--font-headings);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 24px;
    height: 48px; /* Stała wysokość zapobiega przesunięciom layoutu przy wpisywaniu */
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Elementy wizualne Hero - Awatar w szkle */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.profile-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    transition: transform var(--transition-normal);
}

.profile-card:hover {
    transform: translateY(-8px) rotate(1deg);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-glow);
}

.profile-img-wrapper {
    width: 280px;
    height: 280px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.05);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.profile-card:hover .profile-img {
    transform: scale(1.05);
}

.profile-badge {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f111a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    transition: border-color var(--transition-fast);
}

.profile-card:hover .profile-badge {
    border-color: var(--accent-violet);
}

.profile-badge span {
    font-size: 0.9rem;
    font-weight: 600;
}

.tech-icon-spin {
    animation: spin 8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Wskaźnik przewijania */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
}

.mouse {
    width: 26px;
    height: 44px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
    cursor: pointer;
    transition: var(--transition-fast);
}

.mouse:hover {
    border-color: var(--accent-cyan);
}

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

@keyframes scrollMouse {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 18px; }
}

.cursor {
    animation: blink 0.7s infinite alternate;
    font-weight: 400;
}

@keyframes blink {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* ==========================================================================
   SEKCJA O MNIE & UMIEJĘTNOŚCI (TABS & PROGRESS BARS)
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-info h3, .about-skills h3 {
    font-family: var(--font-headings);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-info p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.stat-box {
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stat-box:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-4px);
}

.stat-num {
    display: block;
    font-family: var(--font-headings);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-cyan);
    line-height: 1.2;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Zakładki Umiejętności (Tabs) */
.skills-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 8px;
}

.skill-tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-headings);
    font-size: 1rem;
    font-weight: 600;
    padding: 10px 20px;
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: 6px;
}

.skill-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.skill-tab.active {
    color: var(--accent-violet);
    background: rgba(168, 85, 247, 0.1);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInTab var(--transition-normal) forwards;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Styl dla chipsów umiejętności */
.skills-chips-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
    cursor: default;
    backdrop-filter: blur(10px);
}

.skill-chip .chip-icon {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.skill-chip:hover {
    transform: translateY(-3px);
    color: var(--text-primary);
}

.skill-chip:hover .chip-icon {
    transform: scale(1.15) rotate(5deg);
}

/* --- Unikalne style hover dla poszczególnych technologii (Efekt Glow w kolorze marki) --- */
.skill-chip.html:hover {
    border-color: #e34f26;
    box-shadow: 0 0 15px rgba(227, 79, 38, 0.25);
}
.skill-chip.html:hover .chip-icon {
    color: #e34f26;
}

.skill-chip.css:hover {
    border-color: #1572b6;
    box-shadow: 0 0 15px rgba(21, 114, 182, 0.25);
}
.skill-chip.css:hover .chip-icon {
    color: #1572b6;
}

.skill-chip.javascript:hover {
    border-color: #f7df1e;
    box-shadow: 0 0 15px rgba(247, 223, 30, 0.2);
}
.skill-chip.javascript:hover .chip-icon {
    color: #f7df1e;
}

.skill-chip.typescript:hover {
    border-color: #3178c6;
    box-shadow: 0 0 15px rgba(49, 120, 198, 0.25);
}
.skill-chip.typescript:hover .chip-icon {
    color: #3178c6;
}

.skill-chip.angular:hover {
    border-color: #dd0031;
    box-shadow: 0 0 15px rgba(221, 0, 49, 0.25);
}
.skill-chip.angular:hover .chip-icon {
    color: #dd0031;
}

.skill-chip.webgl:hover {
    border-color: #990000;
    box-shadow: 0 0 15px rgba(153, 0, 0, 0.25);
}
.skill-chip.webgl:hover .chip-icon {
    color: #ff3333;
}

.skill-chip.python:hover {
    border-color: #3776ab;
    box-shadow: 0 0 15px rgba(55, 118, 171, 0.25);
}
.skill-chip.python:hover .chip-icon {
    color: #3776ab;
}

.skill-chip.nodejs:hover {
    border-color: #339933;
    box-shadow: 0 0 15px rgba(51, 153, 51, 0.25);
}
.skill-chip.nodejs:hover .chip-icon {
    color: #339933;
}

.skill-chip.bun:hover {
    border-color: #f9f1e7;
    box-shadow: 0 0 15px rgba(249, 241, 231, 0.2);
}
.skill-chip.bun:hover .chip-icon {
    color: #f9f1e7;
}

.skill-chip.mysql:hover {
    border-color: #00758f;
    box-shadow: 0 0 15px rgba(0, 117, 143, 0.25);
}
.skill-chip.mysql:hover .chip-icon {
    color: #00758f;
}

.skill-chip.xampp:hover {
    border-color: #fb7a24;
    box-shadow: 0 0 15px rgba(251, 122, 36, 0.25);
}
.skill-chip.xampp:hover .chip-icon {
    color: #fb7a24;
}

.skill-chip.cpp:hover {
    border-color: #00599c;
    box-shadow: 0 0 15px rgba(0, 89, 156, 0.25);
}
.skill-chip.cpp:hover .chip-icon {
    color: #00599c;
}

.skill-chip.c-lang:hover {
    border-color: #a8b9cc;
    box-shadow: 0 0 15px rgba(168, 185, 204, 0.25);
}
.skill-chip.c-lang:hover .chip-icon {
    color: #a8b9cc;
}

.skill-chip.flutter:hover {
    border-color: #02569b;
    box-shadow: 0 0 15px rgba(2, 86, 155, 0.25);
}
.skill-chip.flutter:hover .chip-icon {
    color: #02569b;
}

.skill-chip.dart:hover {
    border-color: #0175c2;
    box-shadow: 0 0 15px rgba(1, 117, 194, 0.25);
}
.skill-chip.dart:hover .chip-icon {
    color: #0175c2;
}

.skill-chip.godot:hover {
    border-color: #478cbf;
    box-shadow: 0 0 15px rgba(71, 140, 191, 0.25);
}
.skill-chip.godot:hover .chip-icon {
    color: #478cbf;
}

.skill-chip.maui:hover {
    border-color: #512bd4;
    box-shadow: 0 0 15px rgba(81, 43, 212, 0.25);
}
.skill-chip.maui:hover .chip-icon {
    color: #512bd4;
}

.skill-chip.opengl:hover {
    border-color: #5586a4;
    box-shadow: 0 0 15px rgba(85, 134, 164, 0.25);
}
.skill-chip.opengl:hover .chip-icon {
    color: #5586a4;
}

/* ==========================================================================
   SEKCJA PROJEKTY (CARDS GRID WITH HOVER EFFECTS)
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

/* Wyjątek dla karty wyróżnionej (szablonu) - zajmuje więcej miejsca */
.project-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}

.project-card {
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-glow);
}

.project-img-container {
    position: relative;
    aspect-ratio: 16/9;
    align-content: center;
    padding: 20px;
}

.project-img-container img {
    border-radius: 15px;
}

.project-card.featured .project-img-container {
    aspect-ratio: auto;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.project-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 220px;
    transition: transform var(--transition-slow);
}

.project-card.featured .project-img-placeholder {
    min-height: 380px;
}

.project-card:hover .project-img-placeholder {
    transform: scale(1.03);
}

.project-placeholder-text {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.project-badge-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(15, 17, 26, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--accent-cyan);
}

.project-card-title {
    font-family: var(--font-headings);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.project-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-features-title {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-features-list {
    margin-bottom: 24px;
    padding-left: 16px;
}

.project-features-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    position: relative;
    list-style-type: square;
}

.project-links {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    gap: 6px;
}

.project-link-btn.primary {
    background: var(--gradient-accent);
    color: var(--text-primary);
}

.project-link-btn.primary:hover {
    background: var(--gradient-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.project-link-btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
}

.project-link-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

/* ==========================================================================
   SEKCJA CERTYFIKATY & SZKOLENIA (MODERN TIMELINE)
   ========================================================================== */
.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0 auto;
    padding-left: 32px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-violet) 0%, var(--accent-cyan) 80%, rgba(6, 182, 212, 0) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -37px;
    top: 24px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    transition: var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
    background: var(--accent-violet);
    border-color: var(--text-primary);
    box-shadow: 0 0 15px var(--accent-violet);
    transform: scale(1.2);
}

.timeline-date {
    font-family: var(--font-headings);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-card {
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.timeline-card:hover {
    transform: translateX(8px);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-glow);
}

.timeline-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.timeline-item:nth-child(even) .timeline-tag {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-violet);
}

.timeline-card-title {
    font-family: var(--font-headings);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-card-issuer {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-card-list li {
    list-style-type: square;
    list-style-position: inside;
}

/* ==========================================================================
   SEKCJA ZAINTERESOWANIA (3D INTERACTIVE CARDS)
   ========================================================================== */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.fa {
    font-size: 36px;
}

.interest-card {
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.interest-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-glow);
}

.interest-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-violet);
    margin-bottom: 24px;
    transition: var(--transition-normal);
}

.interest-card:nth-child(even) .interest-icon-wrapper {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
}

.interest-card:hover .interest-icon-wrapper {
    transform: scale(1.1) rotate(10deg);
    background: var(--gradient-accent);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.interest-card h3 {
    font-family: var(--font-headings);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.interest-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   SEKCJA KONTAKT & FORMULARZ (MODERN FORM STYLING)
   ========================================================================== */
.contact-grid {
    gap: 60px;
    align-items: start;
}

.contact-info h3, .contact-form-wrapper h3 {
    font-family: var(--font-headings);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    justify-content: center;
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.c-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    transition: var(--transition-fast);
}

.contact-method-item:hover .c-icon-box {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    color: var(--text-primary);
}

.c-text span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.c-text a, .c-text strong {
    font-size: 1rem;
    font-weight: 600;
}

.c-text a:hover {
    color: var(--accent-cyan);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--text-primary);
    border-color: var(--accent-violet);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

/* Szklany Formularz */
.contact-form-wrapper {
    background: var(--gradient-card);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: opacity var(--transition-fast);
}

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

.form-group {
    position: relative;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 16px;
    background: rgba(7, 8, 13, 0.6);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-normal);
}

.form-group textarea {
    resize: none;
}

/* Efekty Floating Labels */
.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group textarea ~ label {
    top: 24px;
    transform: none;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-violet);
    box-shadow: var(--shadow-glow);
    background: rgba(7, 8, 13, 0.8);
}

/* Gdy input jest skupiony lub ma wpisany tekst */
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-violet);
    background-color: #0d0f19;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* Sukces wysłania (Feedback) */
.form-feedback {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: scaleIn var(--transition-normal) forwards;
}

.form-feedback.hidden {
    display: none;
}

@keyframes scaleIn {
    from { opacity: 0; transform: translate(-50%, -40%) scale(0.9); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.feedback-icon-success {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.1);
    border: 2px solid #22c55e;
    color: #22c55e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 0 25px rgba(34, 197, 94, 0.3);
}

/* ==========================================================================
   STOPKA (FOOTER)
   ========================================================================== */
.footer {
    border-top: 1px solid var(--card-border);
    background-color: #040508;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   EFEKTY SCROLLOWANIA / INTERSECTION OBSERVER
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Płynne klasy animacji bazowych */
.fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.1, 1, 0.1, 1) forwards;
}

.fade-in {
    animation: fadeIn 1.2s ease-out forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* ==========================================================================
   RESPONSYWNOŚĆ (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.6rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .project-card.featured {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .project-card.featured .project-img-container {
        aspect-ratio: 16/9;
    }
    
    .project-card.featured .project-img-placeholder {
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hamburger {
        display: block;
        z-index: 110;
    }
    
    /* Mobilne Menu Nawigacyjne */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(7, 8, 13, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: var(--shadow-lg);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: right var(--transition-normal);
        z-index: 105;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 40px;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}