/* ============================================
   ELYT Smart Consulting - Workshop Registration
   Styles CSS - Version 2.0 - Design Innovant
   ============================================ */

/* === Variables CSS === */
:root {
    /* Couleurs principales basées sur le logo ELYT - Bleu dominant */
    --color-primary: #0088CE;        /* Bleu ELYT principal (logo) */
    --color-primary-dark: #006BA6;   /* Bleu ELYT foncé */
    --color-primary-light: #00A8E8;  /* Bleu ELYT clair */
    --color-secondary: #0088CE;      /* Bleu cohérent */
    --color-accent: #00A8E8;         /* Bleu accent clair */
    
    /* Couleurs neutres */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Couleurs d'état */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Bordures */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-800);
    line-height: 1.6;
    background-color: var(--color-gray-50);
    overflow-x: hidden;
}

/* === Typographie === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

.link {
    text-decoration: underline;
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* === Header === */
.header {
    background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.95) 100%);
    box-shadow: 0 2px 20px rgba(0, 136, 206, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(0, 136, 206, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
}

.logo-prominent {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
}

.logo img,
.logo-main {
    height: 60px;
    width: auto;
    transition: transform var(--transition-base);
}

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

.logo-tagline {
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-list a {
    font-weight: 500;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.nav-list a:hover {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 136, 206, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 136, 206, 0.5);
}

.btn-cta {
    background: linear-gradient(135deg, #0088CE, #006BA6);
    color: var(--color-white) !important;
    font-weight: 700;
    padding: 0.875rem 2rem;
    font-size: 1.05rem;
    box-shadow: 0 4px 20px rgba(0, 136, 206, 0.5);
    animation: pulse-cta 2s infinite;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-cta:hover::before {
    left: 100%;
}

@keyframes pulse-cta {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(0, 136, 206, 0.5);
    }
    50% {
        box-shadow: 0 6px 30px rgba(0, 136, 206, 0.8);
    }
}

.btn-cta:hover {
    background: linear-gradient(135deg, #006BA6, #004d7a);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(0, 136, 206, 0.7);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 136, 206, 0.4);
}

.btn-lg {
    padding: 1.125rem 2rem;
    font-size: 1rem;
    border-radius: 60px;
    min-height: 56px;
}

.btn-submit {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* === Hero Section === */
.hero {
    position: relative;
    background: linear-gradient(135deg, 
        #1e2936 0%,
        #2c3e50 15%,
        #3d5468 30%,
        #4a6683 45%,
        #5a7a99 60%,
        #0088CE 80%,
        #006BA6 100%
    );
    color: var(--color-white);
    padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-2xl);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0,168,232,0.1) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: hero-bg-move 25s ease-in-out infinite;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0,168,232,0.3) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -200px;
    animation: pulse-glow 4s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,107,166,0.3) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    left: -150px;
    animation: pulse-glow 5s ease-in-out infinite 1s;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

@keyframes hero-bg-move {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, 20px) scale(1.05); }
}

/* === Note d'invitation === */
.invitation-note {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
    animation: slide-up 0.8s ease-out;
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.invitation-note::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #0088CE, #00A8E8, #006BA6);
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.invitation-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0088CE, #00A8E8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0, 136, 206, 0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.invitation-icon i {
    font-size: 2rem;
    color: var(--color-white);
}

.invitation-content {
    color: var(--color-gray-800);
}

.invitation-title {
    color: var(--color-primary);
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    position: relative;
    display: inline-block;
    width: 100%;
}

.invitation-title::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #0088CE, #f59e0b);
    border-radius: 2px;
}

.invitation-text {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    text-align: justify;
}

.invitation-text strong {
    color: var(--color-primary);
    font-weight: 700;
}

.invitation-subtitle {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.animators-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.animator-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 136, 206, 0.05), rgba(0, 168, 232, 0.05));
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--color-primary);
    transition: all var(--transition-base);
}

.animator-item:hover {
    background: linear-gradient(135deg, rgba(0, 136, 206, 0.1), rgba(0, 168, 232, 0.1));
    transform: translateX(5px);
}

.animator-bullet {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #0088CE, #f59e0b);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

.animator-item p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
}

.animator-item strong {
    color: var(--color-primary);
    font-weight: 700;
}

.invitation-contact {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 136, 206, 0.3);
}

.invitation-contact i {
    font-size: 2rem;
    color: #f59e0b;
    flex-shrink: 0;
}

.invitation-contact p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
}

.invitation-email {
    color: #0088CE;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.invitation-email:hover {
    background-color: rgba(0, 136, 206, 0.1);
    color: #006BA6;
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .invitation-note {
        padding: var(--spacing-lg);
    }
    
    .invitation-title {
        font-size: 1.5rem;
    }
    
    .invitation-text {
        font-size: 1rem;
        text-align: left;
    }
    
    .invitation-contact {
        flex-direction: column;
        text-align: center;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    animation: fade-in 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    animation: scale-in 0.6s ease-out 0.2s backwards;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hero-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

/* Titre Luxueux Professionnel */
.hero-title-luxe {
    color: var(--color-white);
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fade-in 1s ease-out 0.3s backwards;
    text-shadow: 0 3px 25px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.title-separator {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
    margin: 0 1rem;
    font-size: 0.85em;
}

.hero-subtitle-elegant {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    line-height: 1.75;
    text-align: center;
    max-width: 850px;
    margin: 0 auto var(--spacing-2xl);
    animation: fade-in 1s ease-out 0.5s backwards;
    font-weight: 300;
}

/* Session Info Élégante */
.session-info-elegant {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.15);
    max-width: 750px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.session-info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 400;
}

.session-info-item i {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.85);
    min-width: 30px;
}

/* Thèmes Luxueux */
.themes-luxury {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
}

.theme-luxury-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slide-up 0.8s ease-out backwards;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
}

.theme-luxury-item:nth-child(1) {
    animation-delay: 0.6s;
}

.theme-luxury-item:nth-child(2) {
    animation-delay: 0.8s;
}

.theme-luxury-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.25);
}

.theme-luxury-icon {
    width: 70px;
    height: 70px;
    min-width: 70px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.theme-luxury-item:hover .theme-luxury-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.theme-luxury-content {
    flex: 1;
}

.theme-luxury-title {
    color: var(--color-white);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.theme-luxury-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 0;
    font-weight: 300;
}

@media (max-width: 768px) {
    .hero-title-luxe {
        font-size: 1.75rem;
        line-height: 1.4;
    }
    
    .session-info-elegant {
        flex-direction: column;
        text-align: center;
    }
    
    .session-info-item {
        justify-content: center;
    }
    
    .themes-luxury {
        grid-template-columns: 1fr;
    }
    
    .theme-luxury-item {
        flex-direction: column;
        text-align: center;
    }
    
    .theme-luxury-icon {
        margin: 0 auto;
    }
}

/* Anciennes classes à conserver pour compatibilité mais masquées */
.themes-highlight {
    display: none;
}

.theme-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #0088CE, #00A8E8);
    animation: gradient-slide 2s ease-in-out infinite;
}

@keyframes gradient-slide {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.theme-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 136, 206, 0.3);
    border-color: #0088CE;
}

.theme-card:hover .theme-number {
    transform: rotate(360deg) scale(1.1);
}

.theme-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0088CE, #006BA6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 136, 206, 0.4);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 136, 206, 0.4);
}

.theme-title {
    color: var(--color-gray-900);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    line-height: 1.3;
}

.theme-title i {
    color: #0088CE;
    font-size: 1.8rem;
    min-width: 40px;
    margin-top: 3px;
}

.theme-description {
    color: var(--color-gray-700);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.theme-duration {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, #0088CE, #00A8E8);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
}


/* Anciens styles masqués */
.theme-duration,
.theme-number,
.theme-principal,
.theme-separator,
.hero-date-single,
.date-single-item,
.date-main,
.date-location {
    display: none !important;
}

.hero-description {
    font-weight: 600;
}

.date-location {
    font-size: 1rem;
    opacity: 0.95;
}

/* Session info box dans le formulaire */
.session-info-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
}

.session-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: 1rem;
}

.session-detail i {
    color: var(--color-accent);
    font-size: 1.2rem;
    min-width: 25px;
}

.session-detail strong {
    font-weight: 600;
}

@media (max-width: 768px) {
    .date-single-item {
        font-size: 1rem;
    }
    
    .date-main {
        font-size: 1.05rem;
    }
}

.hero-time {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-date-single {
        padding: var(--spacing-md);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .logo-prominent {
        align-items: center;
    }
}

/* === Section Styles === */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* === Thèmes principaux Section === */
.themes-principaux {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.themes-principaux::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230088CE' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.theme-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
}

.theme-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.theme-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), 0 0 0 3px var(--color-primary);
}

.theme-card-primary {
    border-top: 5px solid var(--color-primary);
}

.theme-card-secondary {
    border-top: 5px solid var(--color-accent);
}

.theme-number {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.1;
    line-height: 1;
}

.theme-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.theme-icon i {
    font-size: 2.5rem;
    color: var(--color-white);
}

.theme-card h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.3;
}

.theme-content {
    margin-top: var(--spacing-md);
}

.theme-description {
    color: var(--color-gray-700);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.theme-points {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.theme-points li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
    font-size: 1rem;
    line-height: 1.6;
}

.theme-points li i {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.theme-duration {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1rem;
}

.theme-duration i {
    font-size: 1.2rem;
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .themes-grid {
        grid-template-columns: 1fr;
    }
    
    .theme-card {
        padding: var(--spacing-lg);
    }
    
    .theme-number {
        font-size: 3rem;
    }
    
    .theme-icon {
        width: 60px;
        height: 60px;
    }
    
    .theme-icon i {
        font-size: 2rem;
    }
    
    .theme-card h3 {
        font-size: 1.25rem;
    }
}

/* === Avantages Section === */
.avantages {
    background-color: var(--color-white);
}

.avantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.avantage-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.avantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.avantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.avantage-icon i {
    font-size: 1.5rem;
    color: var(--color-white);
}

.avantage-card h3 {
    font-size: 1.25rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.avantage-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* === Intervenants Section === */
.intervenants {
    background-color: var(--color-gray-50);
}

.intervenants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.intervenant-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.intervenant-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.intervenant-image {
    position: relative;
    overflow: hidden;
    height: 500px;
}

.intervenant-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform var(--transition-slow);
}

.intervenant-card:hover .intervenant-image img {
    transform: scale(1.05);
}

.intervenant-badge {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.intervenant-info {
    padding: var(--spacing-lg);
}

.intervenant-info h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.intervenant-role {
    color: var(--color-gray-500);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.intervenant-bio {
    color: var(--color-gray-600);
    line-height: 1.8;
}

@media (max-width: 768px) {
    .intervenants-grid {
        grid-template-columns: 1fr;
    }
}

/* === Informations Section === */
.informations {
    background-color: var(--color-white);
    padding: var(--spacing-2xl) 0;
}

/* Grille Simple 3 Carrés */
.info-grid-simple {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.info-card {
    background: linear-gradient(135deg, rgba(0, 136, 206, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    border-left: 5px solid var(--color-primary);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0088CE, #00A8E8);
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 136, 206, 0.2);
    border-left-width: 8px;
}

.info-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 6px 20px rgba(0, 136, 206, 0.4);
    transition: all 0.4s ease;
}

.info-card:hover .info-icon {
    transform: scale(1.15) rotate(10deg);
}

.info-icon i {
    font-size: 2rem;
    color: var(--color-white);
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.info-detail {
    font-size: 1rem;
    color: var(--color-gray-600);
    font-weight: 400;
    margin: 0;
}

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

.info-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-gray-700);
}

.info-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.info-detail {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.contact-block {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    text-align: center;
}

.contact-block h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    color: var(--color-white);
    font-weight: 500;
    transition: all var(--transition-base);
}

.contact-method:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* === Formulaire d'inscription === */
.inscription {
    background-color: var(--color-gray-50);
}

.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.inscription-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Honeypot - champ caché pour anti-spam */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.form-label {
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: 0.95rem;
}

.form-label.required {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.required-star {
    color: var(--color-error);
    font-weight: bold;
}

.form-control {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-control.error {
    border-color: var(--color-error);
}

.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234b5563' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.error-message {
    color: var(--color-error);
    font-size: 0.875rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* Radio et Checkbox */
.radio-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-weight: 400;
}

.radio-label input[type="radio"],
.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-group {
    background-color: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-gray-200);
}

.checkbox-label.required {
    font-size: 0.95rem;
}

/* Facturation conditionnelle */
.facturation-details {
    border-left: 4px solid var(--color-secondary);
    padding-left: var(--spacing-md);
    margin-left: var(--spacing-md);
}

/* Actions du formulaire */
.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.form-actions .btn {
    width: 100%;
    max-width: 500px;
    min-height: 56px;
    padding: 1.125rem 2rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    white-space: normal;
    line-height: 1.4;
    text-align: center;
}

.form-help {
    text-align: center;
    color: var(--color-gray-600);
    font-size: 0.9rem;
}

.form-help i {
    color: var(--color-info);
}

.form-help-text {
    display: block;
    color: var(--color-gray-500);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    font-style: italic;
}

@media (max-width: 768px) {
    .form-wrapper {
        padding: var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .form-actions .btn {
        width: 100%;
        min-width: unset;
        max-width: unset;
        padding: 1.125rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Info grid simple responsive */
    .info-grid-simple {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .info-card {
        padding: var(--spacing-xl);
    }
    
    .info-icon {
        width: 70px;
        height: 70px;
    }
    
    .info-icon i {
        font-size: 1.75rem;
    }
}

/* === Modal === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    text-align: center;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-gray-900);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-success), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.modal-icon i {
    font-size: 2.5rem;
    color: var(--color-white);
}

.modal-content h2 {
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}

/* === Footer === */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    color: var(--color-gray-400);
    font-style: italic;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: var(--spacing-sm);
}

.footer-contact a {
    color: var(--color-gray-300);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-contact i {
    color: var(--color-secondary);
}

.footer-legal {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-gray-400);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--color-gray-500);
}

/* === Utilitaires === */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* === Animations === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* === Accessibilité === */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Amélioration du contraste pour les éléments interactifs */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* === Print Styles === */
@media print {
    .header,
    .footer,
    .modal,
    .form-actions,
    .hero-actions {
        display: none;
    }
    
    body {
        background-color: white;
    }
    
    .hero {
        background: white;
        color: black;
    }
}