/* ─── Variables ─────────────────────────────────────── */
:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --surface2: #eef1f7;
    --border: rgba(15, 23, 42, 0.12);
    --bar-track: rgba(15, 23, 42, 0.08);
    --accent: #3b6bff;
    --accent2: #7a4dff;
    --accent3: #0ea37f;
    --accent4: #f59e0b;
    --accent5: #e84563;
    --text: #13182a;
    --muted: #5e6b85;
    --radius: 14px;
    --hero-grad-1: #360143;
    --hero-grad-2: #2a81fc;
}

html[data-theme="dark"] {
    --bg: #0d0f1a;
    --surface: #13162b;
    --surface2: #1a1e35;
    --border: rgba(255, 255, 255, .07);
    --bar-track: rgba(255, 255, 255, .06);
    --accent: #4f8dff;
    --accent2: #8b5cf6;
    --accent3: #06d6a0;
    --accent4: #f59e0b;
    --accent5: #f43f5e;
    --text: #e8eaf6;
    --muted: #7680a0;
    --hero-grad-1: #360143;
    --hero-grad-2: #2a81fc;
}

/* ─── Reset / Base ─────────────────────────────────── */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}


/* ─── Background decoration ────────────────────────── */

.section-header {
    text-align: center;
    padding: 40px 24px 48px;
}

.liste {
    margin-left: 30px;
    margin-bottom: 20px;
    margin-top: 10px;
}

.page-hero {
    background: linear-gradient(180deg, var(--hero-grad-1), var(--hero-grad-2));
    color: #fff;
    text-align: center;
    padding: 40px 20px;
    box-shadow: 0 5px 20px rgb(54, 66, 109);
    position: relative;
    z-index: 1;
    margin-bottom: 40px;
}

.page-hero h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    margin: 0;
}

.page-hero p {
    max-width: 760px;
    margin: 14px auto 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.93);
}

/*SOmmaire*/
.containerNav {
    background: linear-gradient(180deg, #2a82fc 0%, #360143 100%);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 20px 20px rgba(9, 31, 233, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    max-width: 1200px;
    width: 100%;
}

.titreNav {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 30px;
    text-shadow:
        0 0 20px rgba(9, 80, 233, 0.8),
        0 0 40px rgba(9, 80, 233, 0.4);
    letter-spacing: 1px;
}

.navigationPage {
    margin: 20px 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.navigationPage a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    padding: 15px 30px;
    color: var(--white);
    background: rgba(9, 31, 233, 0.3);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 8px 32px 0 var(--glow-blue),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.5px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.navigationPage a::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(255, 255, 255, 0.3) 0%,
            transparent 70%);
    transform: translate(-50%, -50%);
    transition:
        width 0.6s ease,
        height 0.6s ease;
}

.navigationPage a:hover::before {
    width: 300px;
    height: 300px;
}

.navigationPage a:hover {
    background: var(--hover-blue);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transform: translateY(-5px) scale(1.05);
    box-shadow:
        0 15px 45px rgba(9, 80, 233, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.navigationPage a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    transform: translateX(-50%);
    transition: width 0.4s ease;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.navigationPage a:hover::after {
    width: 80%;
}

.navigationPage a:active {
    transform: translateY(-2px) scale(1.02);
}


/* Mise en page intro et section*/

.intro {
    max-width: 1200px;
    /*Espace de la colonne centrale pour plus de visibilité*/
    margin: 40px auto;
    /*centre horizontalement dans son conteneur.*/
    padding: 10px 20px 20px 20px;
    /*marge interne de 40 en haut et bas et 20 sur les cotés*/
    background-color: var(--background-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    border-radius: 20px;
}

.intro p {
  line-height: 1.7;
  /* Interligne confortable */
  margin-bottom: 1em;
  /* Espace entre les paragraphes */
  color: var(--text-color);
  font-size: clamp(1rem, 1vw, 2rem);
}

.card {
    background: var(--background-color);
    border-radius: 20px;
    padding: 10px 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    margin: 30px auto;
    border-left: 3px solid transparent;
    line-height: 1.7;
    border-left: 3px solid transparent;
    transition: border-left-color 0.3s ease;
}

.card:hover {
    border-left-color: #3498db;
}

h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 18px;
}
.titleh3 {
  color: #00bcd4;
  margin-top: 20px;
}

/* info bulle au survol*/
.napkin {
  line-height: 1.7;
  /* Interligne confortable */
  margin-bottom: 1em;
  /* Espace entre les paragraphes */
  max-width: 1200px;
  background-color: var(--background-color);
  color: var(--text-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  /*Espace de la colonne centrale pour plus de visibilité*/
  margin: 30px auto;
  /*centre horizontalement dans son conteneur.*/
  padding: 10px 20px 20px 20px;
  /*marge interne de 40 en haut et bas et 20 sur les cotés*/
}

.collapsible-section h2 {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-bottom: 10px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--titre-color);
  border-left: 6px solid var(--titre-color);
  padding-left: 10px;

}

.collapsible-section h2::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #7374df;
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  margin-bottom: 5px;
}

.collapsible-section h2:hover::after {
  opacity: 1;
}

.section-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}

.section-content .inner {
  overflow: hidden;
}

.collapsible-section.open .section-content {
  grid-template-rows: 1fr;
}

.toggle-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
  transform: rotate(0deg);
}

.collapsible-section.open .toggle-arrow {
  transform: rotate(180deg);
}

figure{
    display: flex;
}

figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Tableau comparatif */
.comparison-table-wrapper {
  margin: 20px 0 10px;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.comparison-table thead th {
  background: var(--surface2);
  font-weight: 700;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.02);
}

html[data-theme="dark"] .comparison-table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.03);
}

.ex{
    margin-top: 10px;
    margin-bottom: 10px;
}

h4{
    margin-left: 10px;
}

img.demiVie{
    scale: 0.7;
    margin-top: -60px;
    
}