:root {
    /* Premium Dark Palette - Inspired by profi-center.com.pl */
    --bg-dark: #0a0b14;
    --bg-card: rgba(20, 25, 40, 0.6);
    --bg-card-solid: #141928;
    --accent-gold: #eab308;
    --accent-gold-glow: rgba(234, 179, 8, 0.3);
    --text-white: #ffffff;
    --text-muted: #94a3b8;
    --text-light: #cbd5e1;
    --border-subtle: rgba(255, 255, 255, 0.08);

    /* Glow Effects */
    --glow-blue: rgba(56, 189, 248, 0.15);
    --glow-gold: rgba(234, 179, 8, 0.2);

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Sizing */
    --container-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-med: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Glow Effects */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 30%, var(--glow-blue) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-white);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.25rem;
}

p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.text-gold {
    color: var(--accent-gold);
}

.eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    display: inline-block;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(10, 11, 20, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-fast);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo .arrow {
    color: var(--text-white);
}

.logo .it {
    color: var(--accent-gold);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--text-white);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-med);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--bg-dark);
    padding: 0.9rem 2rem;
    box-shadow: 0 0 20px var(--accent-gold-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--glow-gold);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    padding: 0.9rem 2rem;
    border: 2px solid var(--border-subtle);
}

.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(234, 179, 8, 0.05) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    position: relative;
    overflow: hidden;
}

.hero-graphic::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, var(--glow-gold) 0%, transparent 60%);
    opacity: 0.5;
}

/* --- Services Section --- */
.services {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    transition: var(--transition-med);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(234, 179, 8, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, #f59e0b 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px var(--accent-gold-glow);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.7;
}

/* --- Trusted By Section --- */
.trusted-by {
    padding: 80px 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.trusted-by .section-header {
    margin-bottom: 50px;
}

.trusted-by .section-header h2 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-muted);
}

.logos-slider {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.logo-item img {
    height: 60px;
    width: auto;
    filter: grayscale(30%) brightness(0.9);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.logo-item img:hover {
    filter: grayscale(0%) brightness(1.1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
    opacity: 1;
    transform: scale(1.05);
}

/* --- About Section --- */
.about {
    padding: 120px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.9;
}

.company-details {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-left: 4px solid var(--accent-gold);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-top: 2rem;
}

.company-details li {
    list-style: none;
    margin-bottom: 0.8rem;
    font-size: 1rem;
    color: var(--text-light);
}

.company-details li strong {
    color: var(--accent-gold);
    min-width: 80px;
    display: inline-block;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-graphic {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

/* --- Contact Section --- */
.contact {
    padding: 120px 0;
    position: relative;
}

.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 50px;
}

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

.contact-form label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-light);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.contact-form button {
    width: 100%;
    padding: 1.1rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* --- Footer --- */
footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered Animation for Cards */
.service-card.reveal:nth-child(1) {
    transition-delay: 0s;
}

.service-card.reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.service-card.reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.service-card.reveal:nth-child(4) {
    transition-delay: 0.3s;
}

.service-card.reveal:nth-child(5) {
    transition-delay: 0.4s;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 900px) {

    .hero-grid,
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-graphic {
        max-width: 300px;
    }

    .nav-links {
        display: none;
        /* Mobile menu would go here */
    }

    .company-details {
        text-align: left;
    }

    .contact-wrapper {
        padding: 30px;
    }
}