/* ========================================
   COLISEUS - Styles Généraux
   ======================================== */

:root {
    /* Couleurs principales */
    --color-primary: #000000;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-light: #f5f5f5;
    
    /* Couleurs pôles */
    --color-immobilier: #1e3a5f;
    --color-patrimoine: #d4af37;
    --color-digital: #00bcd4;
    --color-learning: #ff6b35;
    
    /* Espacements */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* Autres */
    --border-radius: 8px;
    --box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Arial', sans-serif;
    color: var(--color-text);
    line-height: 1.6;
    background: var(--color-bg);
}

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

img {
    max-width: 100%;
    height: auto;
}

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

/* SEO Hidden */
.seo-hidden {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ========================================
   HEADER
   ======================================== */

.header {
    background: var(--color-bg);
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

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

.logo svg {
    display: block;
}

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

.nav a {
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    white-space: nowrap;
}

.nav a:hover {
    background: var(--color-bg-light);
}

.nav .btn-contact {
    background: var(--color-primary);
    color: white;
    padding: 10px 24px;
}

.nav .btn-contact:hover {
    background: #333;
}

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

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-pillars {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.hero-pillars span {
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border-radius: 30px;
    font-weight: 500;
    box-shadow: var(--box-shadow);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

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

.hero-reassurance {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* ========================================
   POLES SECTION
   ======================================== */

.poles-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg);
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

.poles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.pole-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.pole-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.pole-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.pole-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.pole-tagline {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    min-height: 48px;
}

.pole-services {
    list-style: none;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.pole-services li {
    padding: var(--spacing-xs) 0;
    padding-left: 24px;
    position: relative;
}

.pole-services li:before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
}

.pole-immobilier .pole-services li:before { color: var(--color-immobilier); }
.pole-patrimoine .pole-services li:before { color: var(--color-patrimoine); }
.pole-digital .pole-services li:before { color: var(--color-digital); }
.pole-learning .pole-services li:before { color: var(--color-learning); }

.pole-stat {
    background: var(--color-bg-light);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.btn-pole {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    background: var(--color-bg-light);
    color: var(--color-primary);
}

.btn-pole:hover {
    transform: translateX(5px);
}

.pole-immobilier .btn-pole:hover { background: var(--color-immobilier); color: white; }
.pole-patrimoine .btn-pole:hover { background: var(--color-patrimoine); color: white; }
.pole-digital .btn-pole:hover { background: var(--color-digital); color: white; }
.pole-learning .btn-pole:hover { background: var(--color-learning); color: white; }

/* ========================================
   PLATFORMS SECTION
   ======================================== */

.platforms-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.platform-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.03), transparent);
    transition: left 0.5s ease;
}

.platform-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 40px rgba(0,0,0,0.18);
}

.platform-card:hover::before {
    left: 100%;
}

.platform-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.platform-icon {
    font-size: 3rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.platform-card:hover .platform-icon {
    transform: scale(1.1) rotate(5deg);
}

.platform-card h3 {
    font-size: 1.6rem;
    color: var(--color-primary);
    margin: 0;
}

.platform-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    flex-grow: 1;
}

.platform-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    padding: 0;
}

.platform-features li {
    padding: var(--spacing-xs) 0;
    padding-left: 24px;
    position: relative;
    color: var(--color-text);
    font-size: 0.95rem;
}

.platform-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
    color: #28a745;
}

.platform-stats {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.stat-badge {
    background: var(--color-bg-light);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.btn-platform {
    display: inline-block;
    padding: 14px 28px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
}

.btn-platform:hover {
    background: #333;
    transform: translateX(5px);
}

.platforms-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.platforms-note {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    color: #856404;
    font-size: 1rem;
    line-height: 1.6;
    display: inline-block;
    max-width: 800px;
}

/* ========================================
   PROCESS SECTION
   ======================================== */

.process-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-light);
}

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

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-md);
}

.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.process-step p {
    color: var(--color-text-light);
}

/* ========================================
   STATS SECTION
   ======================================== */

.stats-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-primary);
    color: white;
}

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

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, white 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.cta-content > p {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-reassurance {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact-section {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-form {
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.05);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    padding: 4px 0;
}

.radio-group label {
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px;
    border-radius: var(--border-radius);
    background: white;
    transition: var(--transition);
    margin: 0;
    font-size: 0.95rem;
    white-space: nowrap;
}

.radio-group label:hover {
    background: #f0f0f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.radio-group input[type="radio"] {
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: var(--spacing-md);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
    padding: 10px;
    border-radius: var(--border-radius);
    background: white;
    transition: var(--transition);
    margin: 0;
    font-size: 0.95rem;
}

.checkbox-group label:hover {
    background: #f0f0f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.checkbox-group input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

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

.info-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.info-card a {
    color: var(--color-primary);
    font-weight: 600;
}

.info-note {
    font-size: 0.9rem;
    font-style: italic;
}

/* Messages de feedback formulaire */
.form-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.form-message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.footer-reassurance {
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) and (min-width: 769px) {
    /* Tablettes uniquement */
    .nav ul {
        gap: 12px;
    }

    .nav a {
        padding: var(--spacing-xs) 12px;
        font-size: 0.9rem;
    }

    .logo svg {
        width: 160px;
        height: 80px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        padding: var(--spacing-md);
        z-index: 999;
    }

    .nav.active {
        display: block;
    }

    .nav ul {
        flex-direction: column;
        gap: 0;
    }

    .nav ul li {
        border-bottom: 1px solid #e0e0e0;
    }

    .nav ul li:last-child {
        border-bottom: none;
    }

    .nav a {
        display: block;
        padding: var(--spacing-md);
        text-align: left;
    }

    .nav .btn-contact {
        margin-top: var(--spacing-sm);
        text-align: center;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .logo svg {
        width: 140px;
        height: 70px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-pillars {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .poles-grid {
        grid-template-columns: 1fr;
    }

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

    .platform-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .platform-icon {
        font-size: 2.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }

    .radio-group {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 24px;
        --spacing-xl: 40px;
        --spacing-xxl: 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }
}

/* ========================================
   HERO PILLARS - NAVIGATION CLIQUABLE
   ======================================== */

.hero-pillar-link {
    padding: 14px 28px;
    background: white;
    border-radius: 30px;
    font-size: 1.05rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid #e0e0e0;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    color: var(--color-text);
}

.hero-pillar-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
    border-color: var(--color-primary);
    background: white;
    color: var(--color-primary);
}

/* ========================================
   BOUTON FLOTTANT
   ======================================== */

.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--color-primary);
    color: white;
    padding: 16px 28px;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    font-weight: bold;
    font-size: 1rem;
    z-index: 999;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.floating-cta:hover {
    background: #333;
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

/* ========================================
   BREADCRUMB AMÉLIORÉ
   ======================================== */

.breadcrumb {
    background: var(--color-bg-light);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #e0e0e0;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    color: var(--color-text);
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: var(--border-radius);
}

.btn-back:hover {
    background: rgba(0,0,0,0.05);
    color: var(--color-primary);
}

/* ========================================
   HERO SIMPLIFIÉ (INDEX)
   ======================================== */

.hero-experience {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin: var(--spacing-md) 0;
    font-weight: 600;
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */

@media (max-width: 768px) {
    .floating-cta {
        bottom: 20px;
        right: 20px;
        padding: 14px 20px;
        font-size: 0.9rem;
    }

    /* Cacher le menu de navigation sur mobile */
    .nav {
        display: none;
    }

    .hero-pillars {
        gap: var(--spacing-xs);
    }

    .hero-pillar-link {
        font-size: 0.9rem;
        padding: 10px 18px;
    }
}

@media (max-width: 480px) {
    .floating-cta {
        bottom: 15px;
        right: 15px;
        left: 15px;
        text-align: center;
        justify-content: center;
    }

    .hero-pillar-link {
        font-size: 0.85rem;
        padding: 8px 16px;
    }
}