/* ===========================
   RVS COACH - STYLES GLOBAUX
   =========================== */

:root {
    /* Couleurs principales */
    --primary: #2C3E50;
    --primary-light: #34495E;
    --secondary: #8B7355;
    --accent: #D4AF37;
    --accent-light: #F4E4C1;
    
    /* Couleurs neutres */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typographie */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===========================
   NAVIGATION
   =========================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.nav.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-rvs {
    color: var(--primary);
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

.btn-nav {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white) !important;
    border-radius: 8px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-nav::after {
    display: none;
}

/* Mobile Menu Toggle (hidden on desktop) */
.menu-toggle {
    display: none;
}

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

.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-200);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--accent-light);
    color: var(--secondary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.hero-notice {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: var(--white);
    border: 2px solid var(--accent);
    border-radius: 12px;
    font-weight: 600;
    color: var(--primary);
}

.icon-calendar {
    color: var(--accent);
}

/* ===========================
   SECTIONS COMMUNES
   =========================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

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

/* ===========================
   APPROCHE SECTION
   =========================== */

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

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

.approach-card {
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    transition: var(--transition);
}

.approach-card:hover {
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.approach-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.approach-card p {
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===========================
   PROGRAMMES SECTION
   =========================== */

.section-programs {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.programs-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.program-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-xl);
    position: relative;
    border: 2px solid transparent;
    transition: var(--transition);
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.program-platinum {
    border-color: var(--accent);
}

.program-platinum:hover {
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.3);
}

.program-gold {
    border-color: #C9B037;
}

.program-gold:hover {
    border-color: #C9B037;
    box-shadow: 0 20px 40px rgba(201, 176, 55, 0.3);
}

.program-silver {
    border-color: #B4B4B4;
}

.program-silver:hover {
    border-color: #B4B4B4;
    box-shadow: 0 20px 40px rgba(180, 180, 180, 0.3);
}

.program-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--accent);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.program-gold .program-badge {
    background: #C9B037;
}

.program-silver .program-badge {
    background: #B4B4B4;
}

.program-title {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.program-description {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.program-features {
    margin-bottom: var(--spacing-xl);
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.icon-check {
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature span {
    color: var(--gray-700);
    line-height: 1.6;
}

.program-pricing {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-md);
}

.price {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.price-note {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.program-availability {
    text-align: center;
    font-size: 0.875rem;
    color: var(--secondary);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: var(--accent-light);
    border-radius: 8px;
}

.programs-note {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-lg);
    background: var(--white);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
}

.programs-note p {
    color: var(--gray-700);
    line-height: 1.8;
}

/* ===========================
   À PROPOS SECTION
   =========================== */

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.about-title {
    font-size: 1.25rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.about-bio {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.about-philosophy {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
}

.philosophy-text {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--primary);
    font-weight: 500;
}

/* ===========================
   CANDIDATURE SECTION
   =========================== */

.section-application {
    padding: var(--spacing-3xl) 0;
    background: var(--primary);
    color: var(--white);
}

.application-content {
    max-width: 800px;
    margin: 0 auto;
}

.application-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.application-intro {
    text-align: center;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.application-box {
    background: var(--white);
    color: var(--gray-800);
    padding: var(--spacing-xl);
    border-radius: 20px;
}

.application-box h3 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.application-box h4 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.criteria-list,
.process-list {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.criteria-list li,
.process-list li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--gray-700);
}

.application-process {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.125rem;
    border-radius: 12px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.icon-arrow {
    transition: var(--transition);
}

.btn-primary:hover .icon-arrow {
    transform: translateX(5px);
}

.cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

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

.footer {
    background: var(--gray-900);
    color: var(--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-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.footer-contact a {
    color: var(--accent);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

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

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
}

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

@media (max-width: 768px) {
    /* Navigation mobile */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--gray-200);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--primary);
    }
    
    /* Hero */
    .hero {
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Sections */
    .section-header h2 {
        font-size: 2rem;
    }
    
    .approach-grid,
    .programs-list {
        grid-template-columns: 1fr;
    }
    
    .program-title {
        font-size: 1.5rem;
    }
    
    .price {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
}

/* ===========================
   ANIMATIONS
   =========================== */

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

.hero-content,
.section-header,
.approach-card,
.program-card,
.about-content,
.application-box {
    animation: fadeIn 0.6s ease-out;
}

/* Délais d'animation pour effet cascade */
.approach-card:nth-child(1) { animation-delay: 0.1s; }
.approach-card:nth-child(2) { animation-delay: 0.2s; }
.approach-card:nth-child(3) { animation-delay: 0.3s; }

.program-card:nth-child(1) { animation-delay: 0.1s; }
.program-card:nth-child(2) { animation-delay: 0.2s; }
.program-card:nth-child(3) { animation-delay: 0.3s; }