/* MODERN CSS RESET & VARIABLES - RED & WHITE THEME */
:root {
    --bg-color: #990000;      /* Głębokie czerwone tło strony (Canvas) */
    --surface-color: #ffffff; /* Czysta biel dla kafelków, nagłówka i menu */
    --surface-hover: #f9fafb; /* Bardzo jasny szary przy najechaniu */
    --text-main: #111827;     /* Ciemny grafitowy tekst na białym */
    --text-muted: #6b7280;    /* Szary tekst uzupełniający */
    --accent: #dc2626;        /* Czerwone akcenty (ikonki, podkreślenia) */
    --accent-hover: #b91c1c;
    --accent-gradient: linear-gradient(135deg, #ef4444, #b91c1c);
    --border-color: #e5e7eb;  /* Delikatne, jasne obramowania */
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER */
.main-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo a {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0;
    color: var(--text-main);
}

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

.logo .subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.search-bar form {
    display: flex;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.search-bar input {
    background: transparent;
    border: none;
    padding: 10px 15px;
    color: var(--text-main);
    font-family: inherit;
    outline: none;
    width: 250px;
}

.search-bar button {
    background: var(--accent-gradient);
    border: none;
    color: white;
    padding: 0 20px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.search-bar button:hover {
    opacity: 0.9;
}

/* NAVIGATION */
.main-nav {
    background-color: var(--surface-color);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.nav-links i {
    color: var(--accent);
}

/* MAIN CONTENT */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px 20px;
}

.section-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--surface-color); /* Na czerwonym tle nagłówki sekcji na biało */
    display: flex;
    align-items: center;
    gap: 10px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.section-header i {
    color: var(--surface-color);
}

/* ABOUT SECTION */
.about-content {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
}

.responsive-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin-bottom: 15px;
}

/* PRODUCTS LIST */
.product-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-list a {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: var(--surface-color);
    padding: 15px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.product-list a:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    background-color: var(--surface-hover);
}

.prod-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fee2e2; /* Bardzo jasny czerwony pod ikonką */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.prod-details {
    display: flex;
    flex-direction: column;
}

.prod-num {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 800;
    letter-spacing: 1px;
}

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

/* FOOTER */
.main-footer {
    background-color: var(--surface-color);
    padding: 40px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .search-bar, .search-bar input {
        width: 100%;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 15px;
    }
}