:root {
    /* Gradazioni dal logo */
    --blue-1: #004d5c; /* Più scuro */
    --blue-2: #006073; /* Colore base */
    --blue-3: #568d99; /* Medio */
    --blue-4: #8dbbc6; /* Chiaro */
}

body {
    font-family: 'Inter', sans-serif;
    color: #333;
    line-height: 1.7;
    background-color: #fcfcfc;
}

/* Header - Logo con respiro */
.header-logo { height: 65px; width: auto; padding: 5px 0; }
.header-spacer { height: 120px; }

/* Testo Sbandierato */
.intro-text p { 
    font-size: 1.15rem; 
    font-weight: 300; 
    text-align: left; /* Sbandierato */
    margin-bottom: 2rem; 
    max-width: 90%;
}

.tech-title { color: #111; letter-spacing: -1.5px; }
.accent-text { color: var(--blue-2); }

/* Research Cards "Alla rovescia" */
.research-card {
    padding: 2.5rem 2rem;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border-radius: 2px; /* Taglio più squadrato/tech */
    border: none;
}

.research-card h5 { color: #fff; font-weight: 600; margin-bottom: 1.2rem; }
.research-card p { color: rgba(255,255,255,0.9); font-size: 0.95rem; font-weight: 300; }

/* Varianti colori card */
.color-1 { background-color: var(--blue-1); }
.color-2 { background-color: var(--blue-2); }
.color-3 { background-color: var(--blue-3); }
.color-4 { background-color: var(--blue-4); }

/* Hover: Diventa bianco con scritte scure */
.research-card:hover {
    background-color: #fff !important;
    transform: scale(1.03);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    cursor: default;
}

.research-card:hover h5 { color: var(--blue-1); }
.research-card:hover p { color: #555; }

/* Footer */
.footer-dark {
    background-color: var(--blue-1);
    color: #fff;
    padding: 30px 0;
    margin-top: 5rem;
}

.footer-dark p { font-size: 0.85rem; letter-spacing: 1.5px; opacity: 0.8; }

/* Links */
a { color: var(--blue-2); text-decoration: underline; text-underline-offset: 4px; }
a:hover { color: var(--blue-1); }

/* Responsive */
@media (max-width: 768px) {
    .header-logo { height: 50px; }
    .header-spacer { height: 90px; }
    .intro-text p { max-width: 100%; font-size: 1.05rem; }
}