:root {
    --primary-navy: #002147;
    --accent-cyan: #00E5FF;
    --neutral-slate: #455A64;
    --success-green: #00C853;
    --bg-white: #FFFFFF;
    --text-main: #1e293b;
    --light-grey: #f8fafc;
    --border-color: #e2e8f0;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

/* Language visibility logic */
[lang="en"] .lang-pl { display: none !important; }
[lang="pl"] .lang-en { display: none !important; }

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 5%;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo img {
    height: 40px;
    transition: var(--transition);
}

.nav-logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 1.8rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--neutral-slate);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

.btn-nav {
    background: var(--primary-navy);
    color: white !important;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 33, 71, 0.1);
}

.btn-nav:hover {
    background: var(--neutral-slate);
    transform: translateY(-1px);
}

.lang-switcher {
    display: flex;
    gap: 10px;
    border-left: 1px solid var(--border-color);
    padding-left: 20px;
    margin-left: 10px;
}

.lang-switcher-starter {
    display: flex;
    gap: 10px;
    border-left: 1px solid var(--border-color);
}

.lang-btn {
    background: none;
    border: none;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    color: var(--neutral-slate);
    font-size: 0.8rem;
    transition: var(--transition);
}

.lang-btn.active {
    color: var(--accent-cyan);
}

/* Hero & Animation */
.hero {
    background-color: var(--primary-navy);
    color: white;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 5% 5%;
    position: relative;
    background-image: radial-gradient(circle at 50% 50%, rgba(0, 229, 255, 0.05) 0%, transparent 50%);
}

.hero-brand-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2.5rem;
}

.logo-symbols {
    font-size: 6rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-text-appear {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    letter-spacing: 4px;
    margin-top: -5px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSlideUp 1s ease-out forwards;
    animation-delay: 1.8s;
}

.bracket-left { animation: slideLeft 1.2s ease-out forwards; }
.bracket-right { animation: slideRight 1.2s ease-out forwards; }
.paragraph { 
    color: var(--accent-cyan); 
    animation: slideTop 1.5s ease-out forwards; 
    text-shadow: 0 0 30px rgba(0, 229, 255, 0.6); 
}

@keyframes slideLeft { 0% { transform: translateX(-150px); opacity: 0; } 100% { transform: translateX(0); opacity: 1; } }
@keyframes slideRight { 0% { transform: translateX(150px); opacity: 0; } 100% { transform: translateX(0); opacity: 1; } }
@keyframes slideTop { 
    0% { transform: translateY(-200px); opacity: 0; } 
    60% { transform: translateY(0); opacity: 1; } 
    80% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; } 
}
@keyframes fadeInSlideUp { 0% { transform: translateY(20px); opacity: 0; } 100% { transform: translateY(0); opacity: 1; } }

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
    line-height: 1.1;
    max-width: 900px;
}

.hero h1 span {
    color: var(--accent-cyan);
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 700px;
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 5%;
}

.section-tag {
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-navy);
    font-weight: 800;
    margin-bottom: 3rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.pain-card, .pillar-card {
    padding: 3rem 2rem;
    border-radius: 12px;
    transition: var(--transition);
}

.pain-card {
    background: var(--light-grey);
    border-top: 4px solid #e2e8f0;
}

.pain-card:hover {
    border-top-color: var(--accent-cyan);
    transform: translateY(-5px);
    box-shadow: var(--card-shadow);
}

.pillar-card {
    background: white;
    border: 1px solid #f1f5f9;
    box-shadow: var(--card-shadow);
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.pillar-card h3 {
    color: var(--primary-navy);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.art-tag {
    font-size: 0.75rem;
    background: #e0f2fe;
    color: #0369a1;
    padding: 2px 8px;
    border-radius: 4px;
}

.about-flex {
    display: flex;
    gap: 4rem;
    align-items: center;
    flex-wrap: wrap;
}

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

.about-image {
    flex: 1;
    min-width: 300px;
    background: var(--light-grey);
    height: 350px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-slate);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.05);
}

.contact-box {
    background: var(--primary-navy);
    color: white;
    padding: 4rem;
    border-radius: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 229, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.btn-cta {
    background: var(--accent-cyan);
    color: var(--primary-navy);
    padding: 1rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    margin-top: 2rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(0, 229, 255, 0.4);
}

footer {
    padding: 4rem 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--neutral-slate);
    font-size: 0.9rem;
}

footer a {
    color: var(--neutral-slate);
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: var(--accent-cyan);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .logo-symbols { font-size: 4rem; }
    .brand-text-appear { font-size: 1.5rem; letter-spacing: 3px; }
    .nav-links { display: none; }
}