/* ===================================
   LAYOUT - Structure générale du site
   =================================== */

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(249, 115, 22, 0.2);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar--scrolled {
    background: rgba(17, 24, 39, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar__container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
}

.navbar__brand:hover {
    transform: scale(1.05);
}

.navbar__logo {
    position: relative;
    width: 3rem;
    height: 3rem;
}

.navbar__logo-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    filter: blur(8px);
    opacity: 0.7;
}

.navbar__logo-icon {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.navbar__logo-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.navbar__brand-text {
    display: flex;
    flex-direction: column;
}

.navbar__brand-name {
    font-size: var(--font-xl);
    font-weight: 900;
    letter-spacing: -0.025em;
    line-height: 1;
}

.navbar__brand-tagline {
    font-size: var(--font-xs);
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1;
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-10);
}

.navbar__link {
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.025em;
    transition: color var(--transition-fast);
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.navbar__link:hover {
    color: var(--primary-orange);
}

.navbar__link:hover::after {
    transform: scaleX(1);
}

.navbar__toggle {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
}

.navbar__toggle-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-fast);
    width: 1.5rem;
    height: 1.5rem;
}

.navbar__mobile {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(17, 24, 39, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(249, 115, 22, 0.2);
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
    opacity: 0;
    visibility: hidden;
}

.navbar__mobile--active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.navbar__mobile-content {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.navbar__mobile-link {
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-primary);
    transition: color var(--transition-fast);
}

.navbar__mobile-link:hover {
    color: var(--primary-orange);
}

/* ===== MAIN CONTENT ===== */
main {
    margin-top: var(--navbar-height);
}

/* ===== SECTIONS GÉNÉRALES ===== */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section--hero {
    padding: 0;
    min-height: var(--hero-height);
}

.section--no-padding {
    padding: 0;
}

.section--sm {
    padding: var(--space-16) 0;
}

.section--lg {
    padding: var(--space-32) 0;
}

/* ===== CONTAINERS DE SECTION ===== */
.hero__container,
.stats__container,
.programs__container,
.services__container,
.transformations__container,
.testimonials__container,
.about__container,
.contact__container,
.footer__container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ===== GRILLES DE SECTION ===== */
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.programs__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.transformations__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

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

/* Tablettes */
@media (max-width: 1024px) {
    .navbar__container {
        padding: 0 var(--space-4);
    }
    
    .programs__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .navbar__menu {
        display: none;
    }
    
    .navbar__toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .programs__grid,
    .transformations__grid {
        grid-template-columns: 1fr;
    }
    
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .hero__container,
    .stats__container,
    .programs__container,
    .services__container,
    .transformations__container,
    .testimonials__container,
    .about__container,
    .contact__container,
    .footer__container {
        padding: 0 var(--space-4);
    }
}

/* Très petits écrans */
@media (max-width: 480px) {
    .stats__grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .navbar__brand-name {
        font-size: var(--font-lg);
    }
    
    .navbar__logo {
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .navbar__logo-icon .icon {
        width: 1.25rem;
        height: 1.25rem;
    }
}

/* ===== ANIMATIONS DE LAYOUT ===== */
@media (prefers-reduced-motion: no-preference) {
    .navbar {
        transition: all var(--transition-normal);
    }
    
    .navbar__brand {
        transition: transform var(--transition-fast);
    }
    
    .navbar__link {
        transition: color var(--transition-fast);
    }
    
    .navbar__mobile {
        transition: all var(--transition-normal);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .navbar__mobile {
        display: none;
    }
    
    main {
        margin-top: 0;
    }
    
    section {
        page-break-inside: avoid;
        padding: var(--space-4) 0;
    }
}