/* SALVUS ASSURANCE ACADEMY - Système de Design Intégré v2.1
   Identité : Vert Salvus (#004033), Violet ESA (#5c30b0), Or Baloon (#e5b228)
*/

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Palette Institutionnelle */
    --salvus-green: #004033;
    --salvus-green-soft: #f0f4f3;
    --esa-purple: #5c30b0;
    --esa-purple-light: #7c4fd6;
    --baloon-gold: #e5b228;
    
    /* Système de Neutres */
    --bg-main: #fcfdfd;
    --white: #ffffff;
    --text-main: #0f1716;
    --text-muted: #4a5a58;
    --border-color: #e8eeed;
    
    /* Équilibre & Profondeur */
    --shadow-sm: 0 2px 4px rgba(0, 64, 51, 0.04);
    --shadow-premium: 0 20px 40px -15px rgba(0, 64, 51, 0.12);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --radius-md: 16px;
    --radius-lg: 32px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 1. RESET & TYPOGRAPHIE --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

h1, h2, h3, .logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.04em;
}

/* --- 2. NAVIGATION --- */
.top-bar {
    background: var(--salvus-green);
    color: white;
    padding: 0.75rem 0;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.top-bar .container {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
}

.site-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left, .header-right {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.6rem;
    color: var(--salvus-green);
    text-decoration: none;
    font-weight: 800;
}

.main-nav {
    display: flex;
    gap: 2.5rem;
    margin-left: 3rem;
}

.main-nav a {
    color: var(--salvus-green);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
    opacity: 0.75;
}

.main-nav a:hover {
    opacity: 1;
    color: var(--esa-purple);
}

/* --- 3. CATALOGUE HEADER --- */
.page-header {
    padding: 6rem 0 4rem 0;
}

.badge-label {
    display: inline-block;
    padding: 6px 14px;
    background: var(--salvus-green-soft);
    color: var(--salvus-green);
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

/* --- 4. FILTRES (FIX) --- */
.filter-bar {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 2rem;
    margin-bottom: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    gap: 0.75rem;
}

.filter-pill {
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-pill.active {
    background: var(--salvus-green);
    color: white;
}

.filter-pill:not(.active) {
    background: var(--salvus-green-soft);
    color: var(--salvus-green);
}

.filter-pill:hover:not(.active) {
    border-color: var(--esa-purple);
    background: white;
}

/* --- 5. GRID & CARDS (FIX VISUEL) --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 3rem;
    margin-bottom: 6rem;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(92, 48, 176, 0.2);
}

.card-image {
    height: 230px;
    background-size: cover;
    background-position: center;
    position: relative;
    background-color: #eee;
    overflow: hidden;
}

.card-badge-container {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 2;
}

.card-badge-premium {
    background: var(--baloon-gold);
    color: var(--salvus-green);
    padding: 0.5rem 1rem;
    font-size: 0.65rem;
    font-weight: 800;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-badge-new {
    background: #10b981;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.6rem;
    text-transform: uppercase;
}

.card-body {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-top-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.card-category {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--esa-purple);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-card h3 {
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--salvus-green);
    margin-bottom: 1rem;
}

.course-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.card-footer {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* --- 6. BOUTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.5rem;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.9rem;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--esa-purple);
    color: white;
}

/* --- 7. FOOTER CTA (FIX SCREENSHOT) --- */
.engagement-section {
    margin: 4rem auto 8rem auto;
    padding: 6rem 2.5rem;
    background: var(--salvus-green);
    border-radius: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: white;
    max-width: 100%;
}

.engagement-section h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 1.5rem;
}

.engagement-section p {
    color: rgba(255,255,255,0.7);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 3rem auto;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    .filter-bar { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .page-header { padding: 4rem 0 2rem 0; }
    .grid { grid-template-columns: 1fr; }
}

input, select, textarea {
    width: 100%;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background: white;
    color: var(--text-main);
    outline: none;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--esa-purple);
    box-shadow: 0 0 0 4px rgba(92, 48, 176, 0.08);
}

textarea {
    resize: vertical;
}