/* ============================================
   STEMOVIA - Design System
   Inspiré de Limova avec l'identité Stemovia
   ============================================ */

:root {
    /* Couleurs principales Stemovia */
    --primary-cyan: #00D9FF;
    --primary-blue: #0EA5E9;
    --primary-purple: #8B5CF6;
    --dark-bg: #0a0f1a;
    --darker-bg: #050810;
    --card-bg: #111827;
    --text-white: #FFFFFF;
    --text-gray: #9CA3AF;
    --text-light-gray: #D1D5DB;
    
    /* Gradients */
    --gradient-cyan: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    
    /* Typographie - Police distinctive */
    --font-display: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Bordures */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Ombres */
    --shadow-sm: 0 2px 8px rgba(0, 217, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 217, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 217, 255, 0.2);
    --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.3);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

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

body {
    font-family: var(--font-body);
    background: var(--gradient-hero);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Robot Watermark */
.bg-robot-watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background-image: url('logo_stemovia.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
    pointer-events: none;
    animation: none;
}

@keyframes slowRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

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

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

.nav-links a {
    color: var(--text-light-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.phone-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light-gray);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: var(--font-mono);
    transition: color 0.3s ease;
}

.phone-btn:hover {
    color: var(--primary-cyan);
}

.btn-primary {
    background: var(--gradient-cyan);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-white);
    transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.agent-badges {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.badge {
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    color: var(--primary-cyan);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease-out 0.6s both;
}

.btn-hero {
    background: var(--gradient-cyan);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
    transform: translateY(-2px);
}

.trust-badges {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.4s ease-out 0.8s both;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.trust-icon {
    font-size: 2rem;
    filter: grayscale(0.3);
}

.trust-item span {
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ============================================
   Advantages Section
   ============================================ */

.advantages {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.advantage-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.advantage-card[data-color="blue"]::before {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.advantage-card[data-color="purple"]::before {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.advantage-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 217, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-cyan);
}

.advantage-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

/* ============================================
   Agents Section
   ============================================ */

.agents-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 217, 255, 0.02) 100%);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.agent-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.agent-card.available {
    border-color: rgba(0, 217, 255, 0.3);
}

.agent-card.coming-soon {
    opacity: 0.7;
}

.agent-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--gradient-cyan);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.coming-soon-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
}

.agent-avatar {
    margin: var(--spacing-lg) 0;
}

.avatar-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.agent-card:hover .avatar-circle {
    transform: scale(1.1);
}

.avatar-letter {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
}

.agent-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.agent-role {
    color: var(--primary-cyan);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.agent-description {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.agent-features {
    margin-bottom: var(--spacing-md);
}

.agent-features .feature {
    color: var(--text-light-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-align: left;
}

.btn-agent {
    display: inline-block;
    background: var(--gradient-cyan);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
}

.btn-agent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-agent.disabled {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
    cursor: not-allowed;
}

.btn-agent.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing-section {
    padding: var(--spacing-3xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: var(--spacing-xl) auto 0;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-cyan);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-subtitle {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

.pricing-features {
    margin-bottom: var(--spacing-lg);
}

.pricing-features .feature {
    color: var(--text-light-gray);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

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

.btn-pricing {
    display: inline-block;
    background: transparent;
    color: var(--primary-cyan);
    padding: 0.9rem 2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--primary-cyan);
    transition: all 0.3s ease;
    width: 100%;
}

.btn-pricing.primary {
    background: var(--gradient-cyan);
    color: white;
    border: none;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pricing-note {
    color: var(--text-gray);
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 217, 255, 0.02) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.contact-info p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    flex-shrink: 0;
}

.method-content h4 {
    font-weight: 600;
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.method-content a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.method-content a:hover {
    color: var(--primary-cyan);
}

.availability {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 217, 255, 0.05);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.availability span {
    color: var(--text-light-gray);
    font-size: 0.9rem;
}

/* Contact Form */
.contact-form {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--text-light-gray);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 0.9rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    background: var(--gradient-cyan);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--text-gray);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary-cyan);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: var(--primary-cyan);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ============================================
   Animations
   ============================================ */

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }
    
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .agents-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 40px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .agent-badges {
        flex-direction: column;
    }
}