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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    min-height: 100vh;
}

/* ===== COLORES BARÇA ===== */
:root {
    --blau: #004d98;
    --grenat: #a50044;
    --groc: #ffed02;
    --blau-fosc: #002b5e;
    --gris-clar: #f0f0f0;
    --text-fosc: #1a1a1a;
}

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, var(--blau) 0%, var(--blau-fosc) 100%);
    color: white;
    padding: 1rem 0;
    text-align: center;
    border-bottom: 4px solid var(--grenat);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.logo {
    width: 60px;
    height: 60px;
}

h1 {
    font-size: 2rem;
    letter-spacing: 2px;
}

.subtitol {
    color: var(--groc);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ===== NAVEGACIÓ ===== */
nav {
    background-color: var(--blau-fosc);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    border-radius: 5px;
}

nav ul li a:hover {
    background-color: var(--grenat);
    transform: translateY(-2px);
}

/* ===== MAIN CONTENT ===== */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

h2 {
    color: var(--blau);
    border-left: 5px solid var(--grenat);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

h3 {
    color: var(--blau-fosc);
    margin: 1rem 0;
}

/* ===== TARGETES / CARDS ===== */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    color: var(--grenat);
    margin-bottom: 0.5rem;
}

/* ===== TAULA ===== */
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin: 1.5rem 0;
}

th {
    background: var(--blau);
    color: white;
    padding: 1rem;
    text-align: left;
}

td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid #ddd;
}

tr:hover {
    background-color: #f5f5f5;
}

/* ===== FORMULARI ===== */
.formulari {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--blau-fosc);
}

input, select, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

button {
    background: var(--grenat);
    color: white;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

button:hover {
    background: var(--blau);
}

/* ===== FOOTER ===== */
footer {
    background: var(--blau-fosc);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer a {
    color: var(--groc);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    main {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .logo {
        width: 40px;
        height: 40px;
    }
}