/* =========================
   Réinitialisation
   ========================= */
   
@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@500;600;700&display=swap');

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background-color: #f2ebda;
    font-family: Arial, Helvetica, sans-serif;
    color: #2b2b2b;
}

h2 {
    position: relative;
    display: inline-block;
    font-family: "Caveat", cursive;
    font-size: 32px;
    font-weight: 600;
    color: #2c5f8a;
    margin: 0 0 30px;
    padding-bottom: 5px;
}

h2::after {
    content: "";
    position: absolute;
    left: 0;
    right: -8px;
    bottom: 0;
    height: 7px;
    background-color: #d9e7f2;
    border-radius: 50%;
    transform: rotate(-1deg);
    z-index: -1;
}

.section-cours h2 {
    color: #2c5f8a;
}

.section-cours h2::after {
    background-color: #d9e7f2;
}

.section-exercices h2 {
    color: #4c8a63;
}

.section-exercices h2::after {
    background-color: #dcecdf;
}



/* =========================
   Conteneur principal
   ========================= */

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 0;
}


/* =========================
   En-tête
   ========================= */

.site-header {
    text-align: center;
    margin-bottom: 45px;
}

.site-header h1 {
    margin: 0 0 10px;
    font-size: 32px;
    font-weight: 600;
    color: #2c5f8a;
}

.site-header p {
    margin: 0;
	font-family: "Caveat", cursive;
    font-size: 32px;
    font-weight: 600;
    color: #666666;    
}


/* =========================
   Grille des catégories
   ========================= */

.categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}


/* =========================
   Cartes
   ========================= */

.category-card {
    display: flex;
    align-items: center;
    justify-content: center;

    min-height: 145px;
    padding: 25px 20px;

    background-color: #f4f7fa;
    border: 1px solid #dde5ed;
    border-left: 5px solid;

    border-radius: 8px;

    text-align: center;
    text-decoration: none;

    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.category-card h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #2b2b2b;
}


/* =========================
   Couleurs
   ========================= */

.seconde {
    border-left-color: #2c5f8a;
}

.premiere {
    border-left-color: #4c8a63;
}

.terminale {
    border-left-color: #b56a3c;
}

.expertes {
    border-left-color: #7a5c91;
}


/* =========================
   Effet au survol
   ========================= */

.category-card:hover {
    transform: translateY(-3px);
    background-color: #f8fafc;
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.08);
}


/* =========================
   Responsive
   ========================= */

@media (max-width: 650px) {

    .container {
        width: 90%;
        padding: 40px 0;
    }

    .site-header {
        margin-bottom: 30px;
    }

    .site-header h1 {
        font-size: 27px;
    }

    .site-header p {
        font-size: 16px;
    }

    .categories {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .category-card {
        min-height: 105px;
    }

    .category-card h2 {
        font-size: 19px;
    }
}


/* ===================================
	Petit menu "Cours" / "Exercices"
   =================================== */

.quick-menu {
    position: fixed;
    top: 25px;
    right: 25px;

    display: flex;
    flex-direction: column;
    gap: 8px;

    z-index: 1000;
}

.quick-menu-item {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 120px;
    height: 42px;

    background-color: #f4f7fa;
    border: 1px solid #dde5ed;
    border-left: 4px solid;

    border-radius: 8px;

    color: #2b2b2b;
    text-decoration: none;

    font-size: 15px;
    font-weight: 600;

    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.quick-menu-item:hover {
    transform: translateX(-3px);
    background-color: #f8fafc;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.quick-menu-item.cours {
    border-left-color: #2c5f8a;
}

.quick-menu-item.exercices {
    border-left-color: #4c8a63;
}

@media (max-width: 650px) {

    .quick-menu {
        top: 15px;
        right: 15px;
        gap: 6px;
    }

    .quick-menu-item {
        width: 95px;
        height: 38px;
        font-size: 14px;
    }
}

/* ===========================
	Sommaire des livres
	========================== */
	
.chapter-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chapter-card {
    display: flex;
    align-items: center;

    min-height: 70px;
    padding: 15px 20px;

    background-color: #f4f7fa;
    border: 1px solid #dde5ed;
    border-left: 5px solid #2c5f8a;
    border-radius: 8px;

    text-decoration: none;
    color: #2b2b2b;

    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);

    transition: 0.2s ease;
}

.chapter-card:hover {
    transform: translateX(4px);
    background-color: #f8fafc;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.07);
}

.chapter-number {
    width: 40px;
    font-size: 36px;
    font-weight: 600;
    color: #2c5f8a;
	font-family: "Caveat", cursive;
}

.chapter-title {
    font-size: 36px;
	font-family: "Caveat", cursive;
	padding-left: 20px;
}