*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background: linear-gradient(to bottom right, #cceff1, #a0d3c9);
}

body {
    display: flex;
    flex-direction: column;
    font-family: Calibri, Arial, sans-serif;
    color: #153f3e;
    font-size: clamp(14px, 1.2vw + 0.5vh, 18px);
    overflow-y: auto;     /* important pour éviter les scrolls verticaux involontaires */
}

.container {
    flex: 1; /* dvh tient compte des barres d'outils visibles ou non (plus fiable en responsive moderne) */
    display: flex;
    flex-direction: column;
    padding: 0px;
}


h1{
	text-align: center;
	padding: clamp(10px, 2vh, 30px) 0 clamp(10px, 2vh, 30px);
    font-size: clamp(24px, 3.3vw, 42px);
    width: 100%;
    background-color: rgba(255, 255, 255, 0.75); /* bandeau blanc semi-transparent */
    margin-top: clamp(8px, 1.5vh, 20px);
    margin-bottom: clamp(20px, 3vh, 40px);
    color: #0d2d2b; /* un vert un peu plus sombre */
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-shadow:
        0 0 10px rgba(27, 79, 78, 0.3),
        0 0 20px rgba(27, 79, 78, 0.2),
        0 0 40px rgba(27, 79, 78, 0.1);
}


h2 {
    color: #0d2d2b; /* un vert un peu plus sombre */
    text-shadow:
    0 0 4px rgba(27, 79, 78, 0.2),
    0 0 8px rgba(27, 79, 78, 0.1);
    margin: 1vh 0px;
    padding: 0px;
}

h3 {
    color: #0d2d2b; /* un vert un peu plus sombre */
    text-shadow:
    0 0 4px rgba(27, 79, 78, 0.4),
    0 0 8px rgba(27, 79, 78, 0.2);
    margin: 0px 0px;
    padding: 0px;
}

.underlined{
	text-decoration: underline;
}

footer{
    margin-top: auto;
	padding: 0px;
    height: clamp(50px, 6vh, 60px);
    width:100%;
    background: linear-gradient(to right, #85a0a0, #75978f);
	display:flex;
	justify-content: space-between;
	align-items: center;	
    box-sizing: border-box;
    overflow: hidden;
    text-align: center;
    color: #0d2d2b;
    font-size: clamp(13px, 1.1vw, 15px);
    font-family: 'Segoe UI', Tahoma, sans-serif;
    line-height: 1.3;
}

#logo_chu, #logo_univ{
    width: auto;
    height: auto;
    max-height: 80%; /* reste toujours dans le footer */
	background-color: rgba(255, 255, 255);
	border-radius: 8px;
	margin: 0px clamp(10px, 2vw, 30px);
    box-shadow: 0 0 6px rgb(255, 255, 255);
}

.text_footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%; /* prend toute la hauteur du footer */
}

footer p {
    margin: 0;
}

sup {
    font-size: 0.7em;
}