/* Variables CSS */
:root {
    --upjv-blue: #003d7a;
    --upjv-blue-light: #0066cc;
    --upjv-accent: #e30613;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

/* Base */
body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
nav {
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--upjv-blue);
}

nav .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-left img {
    height: 3rem;
}

.nav-title {
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--gray-300);
}

.nav-title h1 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--upjv-blue);
    line-height: 1.2;
}

.nav-title p {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--upjv-blue);
}

/* Buttons */
.btn-primary {
    background: var(--upjv-accent);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background: #c70511;
}

.btn-white {
    background: white;
    color: var(--upjv-blue);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    font-size: 1.125rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: background 0.2s;
}

.btn-white:hover {
    background: var(--gray-100);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--upjv-blue) 0%, var(--upjv-blue-light) 100%);
    color: white;
    padding: 5rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('./images/bandeau.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.5;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 61, 122, 0.2) 0%, rgba(0, 102, 204, 0.2) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    color: #bfdbfe;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.hero-badge {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(255,255,255,0.3);
}

/* Sections */
section {
    padding: 4rem 1rem;
}

.bg-white {
    background: white;
}

.bg-gray {
    background: var(--gray-50);
}

h3 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--gray-800);
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

/* Utility Classes */
.max-w-4xl {
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
}

.max-w-5xl {
    max-width: 64rem;
    margin-left: auto;
    margin-right: auto;
}

.max-w-6xl {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
}

.text-center {
    text-align: center;
}

/* Cards */
.card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.card-blue {
    background: linear-gradient(135deg, #eff6ff 0%, white 100%);
    border-top: 4px solid var(--upjv-blue);
}

/* Feature Cards */
.feature-card {
    background: #eff6ff;
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
    border: 1px solid #dbeafe;
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.feature-card h4 {
    color: var(--upjv-blue);
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Master Cards M1/M2 */
.master-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.master-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.master-badge {
    background: #dbeafe;
    color: var(--upjv-blue);
    font-weight: 700;
    font-size: 1.5rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.master-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.master-card .subtitle {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.master-card ul {
    list-style: none;
}

.master-card li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    padding-left: 1.5rem;
    position: relative;
}

.master-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--upjv-blue);
    font-weight: 700;
}

/* UE Cards */
.ue-card {
    background: linear-gradient(90deg, #eff6ff 0%, white 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--upjv-blue);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    transition: box-shadow 0.3s;
}

.ue-card:hover {
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.ue-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--upjv-blue);
    margin-bottom: 1rem;
}

.ue-content {
    display: grid;
    gap: 1rem;
}

.ue-modules {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.ue-modules p {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.ue-modules ul {
    list-style: none;
    margin-left: 1rem;
}

.ue-modules li {
    margin-bottom: 0.25rem;
}

.ue-modules li::before {
    content: '• ';
}

.ue-competences {
    background: rgba(255,255,255,0.5);
    padding: 1rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    line-height: 1.5;
}

.ue-competences p:first-child {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

/* Stage Card */
.stage-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    border-top: 4px solid var(--upjv-blue);
}

.stage-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.stage-header .icon {
    font-size: 3rem;
    margin-right: 1rem;
}

.stage-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--upjv-blue);
    margin-bottom: 0.5rem;
}

.stage-section {
    margin-bottom: 1.5rem;
}

.stage-section h5 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--gray-800);
}

.stage-grid {
    display: grid;
    gap: 1rem;
}

.stage-list {
    list-style: none;
}

.stage-list li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    padding-left: 1.5rem;
    position: relative;
}

.stage-list li::before {
    content: '• ';
    position: absolute;
    left: 0;
    color: var(--upjv-blue);
}

.stage-objectives {
    background: #eff6ff;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid #dbeafe;
}

.stage-objectives ul li::before {
    content: '✓';
    font-weight: 700;
}

/* Admission Cards */
.admission-card {
    background: linear-gradient(135deg, #eff6ff 0%, white 100%);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.admission-card h4 {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--upjv-blue);
    margin-bottom: 1.5rem;
}

.admission-badge {
    background: var(--upjv-blue);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.admission-list {
    list-style: none;
}

.admission-list li {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    padding-left: 1.5rem;
    position: relative;
}

.admission-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--upjv-blue);
    font-weight: 700;
    margin-top: 0.25rem;
}

/* Process Card */
.process-card {
    background: linear-gradient(90deg, var(--upjv-blue) 0%, var(--upjv-blue-light) 100%);
    color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.process-card h4 {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.process-badge {
    background: white;
    color: var(--upjv-blue);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.process-steps {
    display: grid;
    gap: 1.5rem;
}

.process-step {
    text-align: center;
}

.process-step-box {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 0.75rem;
}

.process-step-box .icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.process-step-box p {
    font-weight: 700;
    font-size: 1.125rem;
}

.process-cta {
    text-align: center;
    margin-top: 2rem;
}

/* Info Boxes */
.info-box {
    background: #fef3c7;
    border-left: 4px solid #fbbf24;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 2rem;
}

.info-box p {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.info-box strong {
    color: #92400e;
}

/* Poursuite d'études */
.poursuite-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-top: 4px solid var(--upjv-blue);
}

.poursuite-intro {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.poursuite-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.poursuite-option {
    background: linear-gradient(135deg, #eff6ff 0%, white 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid #dbeafe;
}

.poursuite-option h4 {
    display: flex;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--upjv-blue);
    margin-bottom: 0.75rem;
}

.poursuite-option .icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.conseil-box {
    background: #eff6ff;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid #dbeafe;
}

.conseil-box p {
    display: flex;
    align-items: flex-start;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.conseil-box .icon {
    font-size: 1.25rem;
    color: var(--upjv-blue);
    margin-right: 0.5rem;
    flex-shrink: 0;
}

/* Métiers Cards */
.metier-card {
    background: linear-gradient(135deg, #eff6ff 0%, white 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid #dbeafe;
    transition: box-shadow 0.3s;
}

.metier-card:hover {
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.metier-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.metier-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--upjv-blue);
    margin-bottom: 0.5rem;
}

.metier-card .description {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

.metier-card .salary {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-style: italic;
}

/* Secteurs Box */
.secteurs-box {
    background: linear-gradient(90deg, var(--upjv-blue) 0%, var(--upjv-blue-light) 100%);
    color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-top: 3rem;
}

.secteurs-box h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: white;
}

.secteurs-grid {
    display: grid;
    gap: 1rem;
    text-align: center;
    font-size: 0.875rem;
}

.secteur-item {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 0.5rem;
}

.secteur-item p:first-child {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.secteur-item p:last-child {
    font-size: 0.75rem;
}

/* Partenaires Cards */
.partenaire-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.partenaire-card h4 {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.partenaire-card .icon {
    font-size: 1.875rem;
    margin-right: 0.75rem;
}

.partenaire-list {
    list-style: none;
}

.partenaire-list li {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
}

/* Avantages Box */
.avantages-box {
    background: linear-gradient(90deg, #eff6ff 0%, var(--gray-50) 100%);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid #dbeafe;
    margin-top: 2rem;
}

.avantages-box h4 {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.avantages-box .icon {
    font-size: 1.875rem;
    margin-right: 0.75rem;
}

.avantages-grid {
    display: grid;
    gap: 1rem;
    font-size: 0.875rem;
}

.avantage-item {
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid #dbeafe;
}

.avantage-item p:first-child {
    font-weight: 700;
    color: var(--upjv-blue);
    margin-bottom: 0.5rem;
}

.avantage-item p:last-child {
    color: var(--gray-600);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, var(--upjv-blue) 0%, var(--upjv-blue-light) 100%);
    color: white;
}

.contact-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.2);
    max-width: 48rem;
    margin: 0 auto;
}

.contact-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    color: white;
}

.contact-grid {
    display: grid;
    gap: 1.5rem;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
}

.contact-item .icon {
    font-size: 1.875rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-item p:first-of-type {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-item .text {
    color: #bfdbfe;
}

.contact-item a {
    color: #bfdbfe;
    text-decoration: underline;
}

.contact-divider {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    text-align: center;
}

.contact-divider p {
    color: #bfdbfe;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.jpo-box {
    margin-top: 3rem;
    text-align: center;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.jpo-box p {
    color: #bfdbfe;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.jpo-box a {
    background: white;
    color: var(--upjv-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s;
}

.jpo-box a:hover {
    background: var(--gray-100);
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 1rem;
    border-top: 1px solid var(--gray-700);
}

footer h5 {
    color: white;
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1rem;
}

footer p {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

footer ul {
    list-style: none;
}

footer li {
    margin-bottom: 0.5rem;
}

footer a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--upjv-blue-light);
}

.footer-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    margin: 0 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #9ca3af;
    transition: color 0.2s;
}

.social-links a:hover {
    color: white;
}

.social-links svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* Media Queries */
@media (min-width: 768px) {
    .hero h2 {
        font-size: 3.75rem;
    }
    
    .hero p {
        font-size: 1.5rem;
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .ue-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .stage-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .poursuite-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .secteurs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .avantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 767px) {
    .nav-links {
        display: none;
    }
    
    .nav-title {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 0.5rem;
    }
    
    .nav-left {
        justify-content: center;
    }
}