/* RESET ET NORMES */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html {
font-size: 16px;
scroll-behavior: smooth;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
font-size: 1rem;
line-height: 1.6;
color: #333;
background-color: #fff;
}

/* TYPOGRAPHIE GÉNÉRALE */
h1 {
font-size: 2.5rem;
font-weight: 700;
color: #1a1a1a;
margin-bottom: 0.5rem;
}
h2 {
font-size: 2rem;
font-weight: 600;
color: #2c3e50;
margin-top: 2rem;
margin-bottom: 1rem;
border-bottom: 2px solid #3498db;
padding-bottom: 0.5rem;
}
h3 {
font-size: 1.5rem;
font-weight: 600;
color: #2c3e50;
margin-top: 1.5rem;
margin-bottom: 0.75rem;
}
h4 {
font-size: 1.25rem;
font-weight: 600;
color: #34495e;
margin-top: 1rem;
margin-bottom: 0.5rem;
}
h5 {
font-size: 1.1rem;
font-weight: 600;
color: #34495e;
}
h6 {
font-size: 1rem;
font-weight: 600;
color: #7f8c8d;
}
p {
margin-bottom: 1rem;
text-align: justify;
}
strong {
font-weight: 700;
color: #1a1a1a;
}
em {
font-style: italic;
}
small {
font-size: 0.875rem;
color: #7f8c8d;
}
mark {
background-color: #fff3cd;
padding: 0.125rem 0.25rem;
border-radius: 2px;
}
code {
font-family: 'Courier New', monospace;
background-color: #f4f4f4;
padding: 0.25rem 0.5rem;
border-radius: 3px;
font-size: 0.9rem;
}
pre {
background-color: #f4f4f4;
padding: 1rem;
border-radius: 5px;
overflow-x: auto;
margin-bottom: 1rem;
}
pre code {
background-color: transparent;
padding: 0;
}
kbd {
background-color: #333;
color: #fff;
padding: 0.25rem 0.5rem;
border-radius: 3px;
font-family: monospace;
font-size: 0.85rem;
}
abbr {
border-bottom: 1px dotted #7f8c8d;
cursor: help;
text-decoration: none;
}

/* LISTES */
ul, ol {
margin-left: 2rem;
margin-bottom: 1rem;
}
li {
margin-bottom: 0.5rem;
}
dl {
margin-bottom: 1rem;
}
dt {
font-weight: 700;
color: #2c3e50;
margin-top: 1rem;
}
dd {
margin-left: 2rem;
margin-bottom: 0.5rem;
color: #555;
}

/* BLOCKQUOTE ET CITATION */
blockquote {
border-left: 4px solid #3498db;
padding-left: 1.5rem;
margin-left: 0;
margin-bottom: 1rem;
color: #555;
font-style: italic;
}
blockquote footer {
font-style: normal;
color: #7f8c8d;
margin-top: 0.5rem;
}
cite {
font-style: italic;
color: #2c3e50;
}

/* TABLEAUX */
table {
width: 100%;
border-collapse: collapse;
margin-bottom: 1.5rem;
background-color: #fff;
}
caption {
font-weight: 700;
text-align: left;
padding: 1rem 0;
color: #2c3e50;
}
thead {
background-color: #ecf0f1;
}
th {
padding: 1rem;
text-align: left;
font-weight: 700;
color: #2c3e50;
border-bottom: 2px solid #bdc3c7;
}
td {
padding: 0.75rem 1rem;
border-bottom: 1px solid #ecf0f1;
}
tbody tr:nth-child(odd) {
background-color: #f9f9f9;
}
tbody tr:hover {
background-color: #f0f0f0;
}
tfoot {
background-color: #ecf0f1;
font-weight: 700;
}

/* FORMULAIRES */
form {
margin-bottom: 2rem;
}
fieldset {
border: 1px solid #bdc3c7;
border-radius: 5px;
padding: 1.5rem;
margin-bottom: 1.5rem;
}
legend {
padding: 0 0.5rem;
font-weight: 700;
color: #2c3e50;
}
.form-group {
margin-bottom: 1.5rem;
}
label {
display: block;
font-weight: 600;
color: #2c3e50;
margin-bottom: 0.5rem;
}
input[type="text"],
input[type="email"],
input[type="phone"],
input[type="tel"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="search"],
input[type="url"],
input[type="number"],
textarea,
select {
width: 100%;
padding: 0.75rem;
border: 1px solid #bdc3c7;
border-radius: 4px;
font-family: inherit;
font-size: 1rem;
color: #333;
background-color: #fff;
transition: border-color 0.3s, box-shadow 0.3s;
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="phone"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
outline: none;
border-color: #3498db;
box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}
input[type="radio"],
input[type="checkbox"] {
margin-right: 0.5rem;
cursor: pointer;
}
textarea {
resize: vertical;
}
input[type="range"] {
width: 100%;
}
input[type="color"] {
padding: 0.25rem;
border: 1px solid #bdc3c7;
border-radius: 4px;
cursor: pointer;
}
datalist {
display: none;
}

/* BOUTONS */
button,
.btn {
padding: 0.75rem 1.5rem;
font-size: 1rem;
font-weight: 600;
border: none;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.3s, color 0.3s, transform 0.2s;
text-decoration: none;
display: inline-block;
text-align: center;
}
.btn-primary {
background-color: #3498db;
color: #fff;
}
.btn-primary:hover {
background-color: #2980b9;
transform: translateY(-2px);
}
.btn-primary:active {
transform: translateY(0);
}
.btn-secondary {
background-color: #95a5a6;
color: #fff;
}
.btn-secondary:hover {
background-color: #7f8c8d;
}
.btn-tertiary {
background-color: #ecf0f1;
color: #2c3e50;
border: 1px solid #bdc3c7;
}
.btn-tertiary:hover {
background-color: #d5dbdb;
}

/* LIENS */
a {
color: #3498db;
text-decoration: none;
transition: color 0.3s;
}
a:hover {
color: #2980b9;
text-decoration: underline;
}
a:active {
color: #1f618d;
}
a:visited {
color: #8e44ad;
}

/* IMAGES */
img {
max-width: 100%;
height: auto;
display: block;
border-radius: 4px;
}
figure {
margin-bottom: 1.5rem;
text-align: center;
}
figcaption {
font-size: 0.9rem;
color: #7f8c8d;
margin-top: 0.5rem;
font-style: italic;
}
picture {
display: block;
}

/* AUDIO ET VIDÉO */
audio,
video {
width: 100%;
max-width: 100%;
border-radius: 4px;
margin-bottom: 1rem;
}

/* IFRAME */
iframe {
border: 1px solid #bdc3c7;
border-radius: 4px;
}

/* DÉTAILS */
details {
border: 1px solid #bdc3c7;
border-radius: 4px;
padding: 1rem;
margin-bottom: 1rem;
}
summary {
font-weight: 700;
color: #2c3e50;
cursor: pointer;
user-select: none;
padding: 0.5rem;
margin: -0.5rem;
}
summary:hover {
background-color: #ecf0f1;
border-radius: 4px;
}
details[open] summary {
margin-bottom: 1rem;
}

/* ARTICLE ET ADRESSE */
article {
margin-bottom: 2rem;
padding-bottom: 1.5rem;
border-bottom: 1px solid #ecf0f1;
}
article:last-child {
border-bottom: none;
}
address {
font-style: italic;
color: #7f8c8d;
}

/* SÉPARATEUR */
hr {
border: none;
border-top: 2px solid #ecf0f1;
margin: 2rem 0;
}

/* SVG */
svg {
max-width: 100%;
height: auto;
}

/* STRUCTURE GÉNÉRALE */
.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 1.5rem;
}

/* HEADER */
header {
background-color: #f8f9fa;
border-bottom: 1px solid #ecf0f1;
padding: 2rem 0;
}
header .container {
display: flex;
justify-content: space-between;
align-items: center;
}
.logo {
flex: 0 0 auto;
}
.logo h1 {
margin: 0;
}
.subtitle {
font-size: 0.95rem;
color: #7f8c8d;
margin: 0;
}

/* NAV PRINCIPALE */
nav ul {
list-style: none;
display: flex;
gap: 2rem;
margin: 0;
}
nav a {
font-weight: 600;
color: #2c3e50;
transition: color 0.3s;
}
nav a:hover {
color: #3498db;
text-decoration: none;
}
nav a.active {
color: #3498db;
border-bottom: 2px solid #3498db;
padding-bottom: 0.25rem;
}

/* MAIN CONTENT */
main {
min-height: calc(100vh - 200px);
padding: 2rem 0;
}

/* SECTIONS */
.section {
margin-bottom: 2.5rem;
padding-bottom: 1.5rem;
border-bottom: 1px solid #ecf0f1;
}
.section:last-child {
border-bottom: none;
}

/* BANDEAU INFO */
.banner {
padding: 1rem 0;
text-align: center;
font-weight: 600;
margin-bottom: 1.5rem;
}
.banner-available {
background-color: #d4edda;
color: #155724;
border: 1px solid #c3e6cb;
border-radius: 4px;
}
.banner-available a {
color: #155724;
text-decoration: underline;
}
.banner-available a:hover {
color: #0c2e13;
}

/* ASIDE */
aside {
background-color: #ecf0f1;
padding: 1.5rem;
border-radius: 5px;
margin: 2rem 0;
}
aside h3 {
margin-top: 0;
}

/* FOOTER */
footer {
background-color: #f8f9fa;
border-top: 1px solid #ecf0f1;
padding: 2rem 0;
margin-top: 3rem;
text-align: center;
color: #7f8c8d;
font-size: 0.9rem;
}
footer a {
color: #3498db;
}
footer a:hover {
color: #2980b9;
text-decoration: underline;
}
.copyleft {
margin-top: 1rem;
font-size: 0.85rem;
}

/* UTILITAIRES */
.active {
font-weight: 700;
color: #3498db;
}
[role="status"] {
aria-live: polite;
}
[role="complementary"] {
background-color: #f9f9f9;
padding: 1.5rem;
border-radius: 5px;
}