/* ============================================
FILE: css/style.css - : ACADÉMIQUE/UNIVERSITAIRE
Charte graphique Innov IA 2026
============================================ */

:root {
    --bleu-academique: #003366;
    --or-academique: #FA5046;
    --gris-fonce: #1A1A1A;
    --gris-moyen: #666666;
    --gris-clair: #F5F5F7;
    --beige-clair: #FFFEF8;
    
    --font-titre: 'EB Garamond', serif;
    --font-texte: 'Roboto', sans-serif;
    --font-accent: 'Montserrat', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-texte);
    line-height: 1.6;
    color: var(--gris-fonce);
    background: #fff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
header {
    background: var(--bleu-academique);
    color: #fff;
    padding: 15px 0;
    border-bottom: 4px solid #FA5046;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo a {
    text-decoration: none;
    font-family: var(--font-titre);
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo small {
    display: block;
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 3px;
    transition: background 0.3s;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.15);
}

nav a.active {
    color: #fff;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
}

.btn-inscrire {
    background: #FA5046 !important;
    color: #fff !important;
    padding: 8px 20px !important;
}

.btn-inscrire:hover {
    background: #7F1D1D !important;
}

/* ===== HERO ===== */
.hero {
    background: var(--gris-clair);
    color: var(--gris-fonce);
    padding: 60px 20px;
    text-align: left;
    border-bottom: 3px solid var(--or-academique);
}

.hero .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-family: var(--font-titre);
    font-size: 42px;
    font-weight: 600;
    color: var(--bleu-academique);
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero .subtitle {
    font-family: var(--font-texte);
    font-size: 18px;
    margin-bottom: 30px;
    color: #555;
    line-height: 1.6;
}

.hero-info {
    background: #fff;
    padding: 30px;
    border-left: 4px solid var(--or-academique);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.hero-info h3 {
    font-family: var(--font-accent);
    font-size: 16px;
    color: var(--bleu-academique);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-info div {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-info div:last-child {
    border-bottom: none;
}

.hero-buttons {
    margin-top: 30px;
}

/* ===== BOUTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    margin: 0 8px 10px 0;
    border-radius: 3px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: var(--bleu-academique);
    color: #fff;
    border: 2px solid var(--bleu-academique);
}

.btn-primary:hover {
    background: #fff;
    color: var(--bleu-academique);
}

.btn-secondary {
    background: #fff;
    color: var(--bleu-academique);
    border: 2px solid var(--bleu-academique);
}

.btn-secondary:hover {
    background: var(--bleu-academique);
    color: #fff;
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

/* ===== SECTIONS ===== */
section {
    padding: 60px 20px;
}

section h2 {
    font-family: var(--font-titre);
    font-size: 32px;
    font-weight: 600;
    color: var(--bleu-academique);
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--or-academique);
    display: inline-block;
}

section .intro {
    font-size: 17px;
    color: #555;
    margin: 30px 0 40px;
    line-height: 1.7;
    max-width: 900px;
}

/* ===== GRILLE ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: #fff;
    padding: 30px;
    border: 1px solid #ddd;
    border-top: 4px solid var(--or-academique);
    border-radius: 3px;
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--bleu-academique);
    color: #fff;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 22px;
}

.card h3 {
    font-family: var(--font-accent);
    font-size: 18px;
    margin-bottom: 12px;
    text-align: center;
    color: var(--bleu-academique);
}

.card p {
    text-align: center;
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

/* ===== INFOS PRATIQUES ===== */
.infos-pratiques {
    background: var(--gris-clair);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.info-card {
    text-align: center;
    padding: 25px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.info-card i {
    font-size: 36px;
    color: var(--or-academique);
    margin-bottom: 15px;
}

.info-card h3 {
    font-family: var(--font-accent);
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--bleu-academique);
}

.info-card p {
    color: var(--gris-moyen);
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: var(--bleu-academique);
    color: #fff;
    padding: 60px 20px 40px;
    text-align: center;
    border-bottom: 3px solid var(--or-academique);
}

.page-header h1 {
    font-family: var(--font-titre);
    font-size: 36px;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* ===== PROGRAMME ===== */
.programme-section {
    background: var(--gris-clair);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    background: #fff;
    padding: 25px;
    margin-bottom: 20px;
    border-left: 4px solid var(--bleu-academique);
    border-radius: 3px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.timeline-item.highlight {
    border-left-color: var(--or-academique);
    background: var(--beige-clair);
}

.timeline-item.cocktail {
    border-left-color: #10B981;
    background: #F0FDF4;
}

.timeline-time {
    color: var(--bleu-academique);
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 8px;
}

.timeline-item h3 {
    font-family: var(--font-accent);
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--bleu-academique);
}

.timeline-item p {
    color: var(--gris-moyen);
    margin: 5px 0;
}

.acces-info {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.acces-info h3 {
    font-family: var(--font-titre);
    margin-bottom: 15px;
    color: var(--bleu-academique);
}

.acces-info p {
    margin-bottom: 10px;
}

.cta-center {
    text-align: center;
    margin-top: 40px;
}

/* ===== FORMULAIRES ===== */
.form-section {
    max-width: 600px;
    margin: 0 auto;
}

.inscription-form,
.contact-form {
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--bleu-academique);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-family: var(--font-texte);
    font-size: 15px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--bleu-academique);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.checkbox-group {
    margin: 20px 0;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 12px;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 4px;
    width: auto;
}

.btn-submit {
    width: 100%;
    background: var(--bleu-academique);
    color: #fff;
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #002244;
}

.note {
    font-size: 13px;
    color: var(--gris-moyen);
    font-style: italic;
    margin-top: 5px;
}

/* ===== ALERTS ===== */
.alert {
    padding: 15px 20px;
    border-radius: 3px;
    margin-bottom: 20px;
}

.alert h4 {
    margin-bottom: 8px;
}

.alert-error {
    background: #FEE2E2;
    border-left: 4px solid #DC2626;
    color: #7F1D1D;
}

.alert-success {
    background: #D1FAE5;
    border-left: 4px solid #10B981;
    color: #065F46;
}

.alert ul {
    margin-left: 20px;
}

/* ===== CONFIRMATION ===== */
.confirmation-section {
    padding: 60px 20px;
}

.confirmation-card {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    background: var(--bleu-academique);
    color: #fff;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
}

.confirmation-card h1 {
    font-family: var(--font-titre);
    color: var(--bleu-academique);
    margin-bottom: 20px;
}

.details-evenement,
.next-steps {
    background: var(--gris-clair);
    padding: 20px;
    border-radius: 3px;
    margin: 25px 0;
    text-align: left;
}

.details-evenement h3,
.next-steps h3 {
    font-family: var(--font-accent);
    margin-bottom: 15px;
    text-align: center;
    color: var(--bleu-academique);
}

.next-steps ol {
    margin-left: 25px;
}

.next-steps li {
    margin-bottom: 10px;
}

.confirmation-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-top: 40px;
}

.info-box {
    background: #fff;
    padding: 25px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

.info-box i {
    font-size: 28px;
    color: var(--or-academique);
    margin-bottom: 10px;
}

.info-box h3 {
    font-family: var(--font-accent);
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--bleu-academique);
}

.contact-form-wrapper {
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

/* ===== SPONSORS ===== */
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.sponsor-card {
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    text-align: center;
}

.sponsor-logo {
    width: 80px;
    height: 80px;
    background: var(--gris-clair);
    color: var(--bleu-academique);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
}

.sponsor-card h3 {
    font-family: var(--font-accent);
    margin-bottom: 12px;
    color: var(--bleu-academique);
}

.organizer-section {
    max-width: 800px;
    margin: 60px auto 0;
}

.organizer-card {
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.organizer-card h3 {
    font-family: var(--font-titre);
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--bleu-academique);
}
/* ===== ORGANIZER ===== */
.organizer-section {
    max-width: 800px;
    margin: 60px auto 0;
}

.organizer-card {
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.organizer-card h3 {
    font-family: var(--font-titre);
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--bleu-academique);
}
/* ===== ADMIN ===== */
.admin-body {
    background: var(--gris-clair);
}

.admin-header {
    background: var(--bleu-academique);
    color: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-bottom: 3px solid var(--or-academique);
}

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

.admin-header h1 {
    font-family: var(--font-titre);
    font-size: 24px;
}

.btn-admin,
.btn-logout {
    background: #fff;
    color: var(--bleu-academique);
    padding: 8px 20px;
    border-radius: 3px;
    text-decoration: none;
    font-weight: 600;
    margin-left: 10px;
}

.btn-logout {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.admin-content {
    padding: 40px 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-box {
    background: #fff;
    padding: 25px;
    border-radius: 3px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-top: 4px solid var(--or-academique);
}

.stat-box h3 {
    font-size: 14px;
    color: var(--gris-moyen);
    margin-bottom: 10px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--bleu-academique);
}

.derniers-inscrits {
    background: #fff;
    padding: 30px;
    border-radius: 3px;
    border-top: 4px solid var(--or-academique);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.derniers-inscrits h2 {
    font-family: var(--font-titre);
    margin-bottom: 20px;
    color: var(--bleu-academique);
}

.derniers-inscrits table {
    width: 100%;
    border-collapse: collapse;
}

.derniers-inscrits th {
    background: var(--gris-clair);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--bleu-academique);
}

.derniers-inscrits td {
    padding: 12px;
    border-bottom: 1px solid var(--gris-clair);
}

/* ===== FOOTER ===== */
footer {
    background: var(--bleu-academique);
    color: #fff;
    padding: 40px 20px 20px;
    margin-top: 60px;
    border-top: 3px solid var(--or-academique);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 10px;
}

footer h4 {
    font-family: var(--font-accent);
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--or-academique);
}

footer ul {
    list-style: none;
}

footer li {
    margin-bottom: 8px;
}

footer a {
    color: #ccc;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: #999;
    font-size: 14px;
}
/* Styles pour les logos dans le header */
.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo img {
    height: 60px;
    width: auto;
    margin-right: 15px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.logo small {
    font-size: 30px;
    font-weight: 600;
    color: #white;
    white-space: nowrap;
}

/* Styles pour le logo dans le footer */
.footer-logo {
    margin-bottom: 20px;
    text-align: center;
}

.footer-logo img {
    max-width: 150px;
    height: auto;
    transition: opacity 0.3s ease;
}

.footer-logo img:hover {
    opacity: 0.8;
}

/* Responsive pour les logos */
@media (max-width: 768px) {
    .logo img {
        height: 40px;
        margin-right: 10px;
    }
    
    .logo small {
        font-size: 12px;
    }
    
    .footer-logo img {
        max-width: 120px;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 35px;
        margin-right: 8px;
    }
    
    .logo small {
        display: none; /* Cacher le texte sur très petits écrans */
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero .subtitle {
        font-size: 16px;
    }
    
    .hero-info {
        order: -1;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    section h2 {
        font-size: 28px;
    }
    
    .confirmation-buttons {
        flex-direction: column;
    }
    
    .btn {
        display: block;
        margin: 8px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 40px 15px;
    }
    
    section {
        padding: 40px 15px;
    }
}