:root {
    --primary: #ff4d4d;
    --bg: #ffffff;
    --text: #1a1a1a;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    overflow-x: hidden;
}

header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 10%;
    background: linear-gradient(45deg, var(--bg) 70%, var(--primary) 70%);
}

h1 { font-size: 4rem; color: var(--text); }
h1 span { color: var(--primary); }

.project-card {
    height: 300px;
    margin: 50px 10%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    /* Stato iniziale per l'animazione */
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

/* Classe aggiunta via JS allo scroll */
.project-card.active {
    opacity: 1;
    transform: translateY(0);
}