:root {
    --bg-dark: #090d16;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border-color: rgba(255, 255, 255, 0.07);
    --primary: #d946ef;
    --primary-glow: rgba(217, 70, 239, 0.3);
    --secondary: #06b6d4;
    --secondary-glow: rgba(6, 182, 212, 0.3);
    --accent: #6366f1;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Arrière-plan flou (Glow) */
.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.2;
    pointer-events: none;
}

.bg-glow-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.bg-glow-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: 20%;
    left: -100px;
}

.bg-glow-3 {
    width: 600px;
    height: 600px;
    background: var(--accent);
    bottom: -200px;
    right: 10%;
}

/* Header & Navigation */
header {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(9, 13, 22, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.logo-icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--secondary);
}

nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--text-main);
}

/* Cartes Glassmorphism */
.card-glass {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.card-glass:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: var(--bg-card-hover);
}

/* Boutons */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 70, 239, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

/* Section Layouts */
section {
    padding: 5rem 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2.5rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }
.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.w-100 { width: 100%; }

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    padding-top: 8rem;
    padding-bottom: 6rem;
}

.badge-concept {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(6, 182, 212, 0.2);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
}

.stat-lbl {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Hero Visual & Float Card */
.visual-card {
    padding: 1.5rem;
    position: relative;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.visual-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.visual-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.visual-dot.font-accent {
    background: transparent;
    color: var(--secondary);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.75rem;
    width: auto;
    height: auto;
    margin-left: auto;
}

.split-portraits {
    display: flex;
    gap: 0.5rem;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.portrait-box {
    flex: 1;
    position: relative;
    height: 300px;
}

.portrait-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portrait-name {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(9, 13, 22, 0.75);
    backdrop-filter: blur(5px);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Scanner effect */
.scanner-bar {
    position: absolute;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    top: 0;
    animation: scan 3s linear infinite;
    z-index: 5;
    box-shadow: 0 0 10px var(--secondary);
}

@keyframes scan {
    0% { top: 0; }
    50% { top: 100%; }
    100% { top: 0; }
}

/* Service Card (Why section) */
.service-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.service-icon {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.icon-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.icon-magenta {
    background: rgba(217, 70, 239, 0.1);
    color: var(--primary);
    border: 1px solid rgba(217, 70, 239, 0.2);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-muted);
}

/* Demo Section & Tabs */
.search-container {
    max-width: 700px;
    margin: 0 auto;
}

.tabs-control {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 0.35rem;
    border-radius: 12px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-btn.active {
    background: var(--bg-card-hover);
    color: var(--text-main);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.upload-zone:hover {
    border-color: var(--secondary);
    background: rgba(6, 182, 212, 0.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.upload-zone:hover .upload-icon {
    color: var(--secondary);
    transform: translateY(-5px);
}

.upload-zone h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.upload-zone p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Upload zone compact (dans l'enregistrement) */
.upload-zone-compact {
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.upload-zone-compact:hover {
    border-color: var(--primary);
    background: rgba(217, 70, 239, 0.02);
}

.upload-icon-sm {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-right: 0.75rem;
}

/* Form Inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-input {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Checkbox RGPD personnalisée */
.checkbox-container {
    display: block;
    position: relative;
    padding-left: 2.2rem;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
    user-select: none;
    color: var(--text-muted);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 2px;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.rgpd-consent-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.rgpd-consent-box h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* Scan Preview & Simulation UI */
.scan-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.preview-img-container {
    position: relative;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--secondary);
    box-shadow: 0 0 20px var(--secondary-glow);
}

.preview-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.face-overlay {
    position: absolute;
    border: 2px dashed var(--primary);
    border-radius: 4px;
    width: 120px;
    height: 120px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    box-shadow: 0 0 10px var(--primary);
}

.scan-status {
    width: 100%;
    text-align: center;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 9999px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    transition: width 0.1s linear;
}

#scan-bar-active {
    display: none;
    animation: scan 2s linear infinite;
}

/* Result Cards */
.result-card {
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.result-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 25px var(--primary-glow);
}

.result-avatar-box {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
}

.result-avatar-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image floutée par défaut pour respect de la vie privée */
.blur-avatar {
    filter: blur(15px);
    transition: filter 0.5s ease;
}

.result-avatar-box:hover .blur-avatar {
    filter: blur(0);
}

.match-badge {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.15rem 0.6rem;
    border-radius: 10px;
    white-space: nowrap;
}

.match-badge.homonym {
    background: var(--secondary);
}

.result-info h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.result-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.result-actions {
    margin-top: 0.5rem;
    width: 100%;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-heading);
}

.faq-question i {
    transition: var(--transition-smooth);
    color: var(--text-muted);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    max-height: 150px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    background: rgba(9, 13, 22, 0.9);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--text-main);
}

/* Responsive */
@media (max-width: 900px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .navbar {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    nav {
        gap: 1.5rem;
    }
}