/* ============================================
   OPTICONSULT - Styles CSS Principaux
   Consultant en Automatisation et IA à Bordeaux
   ============================================ */

/* Variables CSS */
:root {
    --primary-color: #0a1628;
    --secondary-color: #1e3a5f;
    --accent-color: #00d4ff;
    --accent-green: #00ff88;
    --text-light: #ffffff;
    --text-dark: #1a1a2e;
    --text-gray: #a0aec0;
    --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #0d2137 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
    --gradient-card: linear-gradient(145deg, rgba(30, 58, 95, 0.6) 0%, rgba(10, 22, 40, 0.8) 100%);
    --shadow-soft: 0 4px 20px rgba(0, 212, 255, 0.1);
    --shadow-strong: 0 8px 40px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset et Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--primary-color);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

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

a:hover {
    color: var(--accent-green);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: var(--shadow-strong);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-light);
}

.logo img {
    height: 45px;
    width: auto;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-cta {
    background: var(--gradient-accent);
    color: var(--text-dark) !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 50px;
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.nav-cta::after {
    display: none !important;
}

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

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-automation.png') center/cover no-repeat;
    opacity: 0.3;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.85;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.hero-text h1 .highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent-color);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-strong);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-dark);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
    color: var(--text-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--text-dark);
}

/* Stats Section */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 3rem 0;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    margin: 4rem 0;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    color: var(--text-gray);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(0, 212, 255, 0.3);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.service-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
}

.service-card .learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 600;
}

.service-card .learn-more:hover {
    gap: 1rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header .overline {
    display: inline-block;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.section-header h2 {
    color: var(--text-light);
}

/* Dashboard Showcase */
.dashboard-showcase {
    background: var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.dashboard-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    transition: var(--transition);
}

.dashboard-item:hover {
    transform: scale(1.05);
}

.dashboard-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Tools Section */
.tools-section {
    background: var(--gradient-primary);
}

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    padding: 2rem 0;
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.tool-item:hover {
    transform: translateY(-5px);
}

.tool-item img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.tool-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.tool-item span {
    font-size: 0.75rem;
    color: var(--text-gray);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-strong);
}

.about-image::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid var(--accent-color);
    border-radius: var(--border-radius);
    z-index: -1;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.expertise-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-light);
}

.expertise-item::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gradient-accent);
    border-radius: 50%;
    font-size: 0.75rem;
    color: var(--text-dark);
    font-weight: bold;
}

/* Book Section */
.book-section {
    background: var(--secondary-color);
}

.book-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
}

.book-cover {
    position: relative;
}

.book-cover img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-strong);
    transition: var(--transition);
}

.book-cover:hover img {
    transform: rotateY(-10deg);
}

.book-info h3 {
    color: var(--accent-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.book-info h2 {
    margin-bottom: 1.5rem;
}

.book-info p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact-section {
    background: var(--gradient-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item .icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-item .text {
    color: var(--text-light);
}

.contact-item .text span {
    display: block;
    color: var(--text-gray);
    font-size: 0.875rem;
}

/* Contact Form */
.contact-form {
    background: var(--gradient-card);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 2.5rem;
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.form-consent input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
}

.form-consent label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.form-submit {
    width: 100%;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-color);
    color: var(--text-dark);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Footer */
.footer {
    background: rgba(10, 22, 40, 0.95);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin: 1rem 0;
    max-width: 300px;
}

.footer-links h4 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

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

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

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-bottom p {
    margin: 0;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text .subtitle {
        margin: 0 auto 2rem;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .about-content,
    .book-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .book-cover {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-list {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* reCAPTCHA styling */
.g-recaptcha {
    margin-bottom: 1.5rem;
}

/* Success/Error Messages */
.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.form-message.success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.form-message.error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff4444;
    color: #ff4444;
}

/* Page specific styles */
.page-hero {
    padding: 10rem 0 5rem;
    background: var(--gradient-primary);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: 1rem;
}

.page-hero .breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-gray);
}

.page-hero .breadcrumb a {
    color: var(--accent-color);
}

/* Content Sections */
.content-section {
    padding: 4rem 0;
}

.content-section h2 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.content-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.content-section ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.content-section li {
    margin-bottom: 0.75rem;
    color: var(--text-gray);
}

/* Feature List */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gradient-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.feature-item .icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-item h4 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.feature-item p {
    margin: 0;
    font-size: 0.95rem;
}

/* CTA Banner */
.cta-banner {
    background: var(--gradient-accent);
    padding: 4rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin: 4rem 0;
}

.cta-banner h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.cta-banner p {
    color: var(--text-dark);
    opacity: 0.8;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn {
    background: var(--primary-color);
    color: var(--text-light);
}

.cta-banner .btn:hover {
    background: var(--secondary-color);
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.legal-content h1 {
    margin-bottom: 2rem;
}

.legal-content h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.legal-content p {
    margin-bottom: 1rem;
}

.legal-content ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}