/* ===== UTILITAIRES AUDIOS V2 ===== */

/* Breakpoints personnalisés */
:root {
    --breakpoint-xs: 480px;
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* Classes utilitaires de layout */
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 4rem 0;
}

.section-padding-sm {
    padding: 2.5rem 0;
}

.section-padding-lg {
    padding: 6rem 0;
}

/* Grilles personnalisées */
.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.grid-auto-fit-sm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.grid-auto-fit-lg {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

/* Flexbox utilitaires */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-start {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.flex-end {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.flex-col-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Espacement utilitaires */
.gap-xs { gap: 0.5rem; }
.gap-sm { gap: 0.75rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }
.gap-xl { gap: 2rem; }
.gap-2xl { gap: 3rem; }

/* Marges et padding personnalisés */
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.p-section { padding: 4rem 2rem; }
.p-card { padding: 2rem 1.5rem; }
.p-card-sm { padding: 1.5rem 1rem; }

/* Classes de texte */
.text-balance {
    text-wrap: balance;
}

.text-pretty {
    text-wrap: pretty;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.text-shadow-lg {
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Bordures et coins */
.border-premium {
    border: 1px solid var(--border-light);
}

.border-gradient {
    border: 1px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--primary), var(--secondary)) border-box;
}

.rounded-custom {
    border-radius: var(--radius-card);
}

.rounded-inner {
    border-radius: var(--radius-inner);
}

.rounded-button {
    border-radius: var(--radius-button);
}

/* Ombres personnalisées */
.shadow-glass {
    box-shadow: var(--glass-shadow);
}

.shadow-glow {
    box-shadow: var(--shadow-glow);
}

.shadow-premium {
    box-shadow: 
        0 10px 30px rgba(105, 68, 60, 0.1),
        0 4px 16px rgba(105, 68, 60, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.shadow-hover {
    box-shadow: 
        0 20px 60px rgba(105, 68, 60, 0.15),
        0 8px 32px rgba(105, 68, 60, 0.1);
}

/* Backgrounds */
.bg-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
}

.bg-card {
    background: var(--card);
}

.bg-card-premium {
    background: var(--card-premium);
}

.bg-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.bg-gradient-soft {
    background: linear-gradient(135deg, 
        rgba(105, 68, 60, 0.05) 0%, 
        rgba(139, 111, 99, 0.05) 100%);
}

/* Position et z-index */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-auto { overflow: auto; }

/* States utilitaires */
.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

.loading {
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--muted);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: spin 1s linear infinite;
}

/* Visibility utilitaires */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Hover states */
.hover-primary:hover {
    color: var(--primary);
}

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

.hover-bg-primary:hover {
    background-color: var(--primary);
}

.hover-bg-secondary:hover {
    background-color: var(--secondary);
}

/* Focus states */
.focus-ring:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.focus-ring-inset:focus {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

/* Responsive Typography */
.text-responsive {
    font-size: clamp(0.875rem, 2.5vw, 1.125rem);
}

.text-responsive-lg {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
}

.text-responsive-xl {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
}

.text-responsive-2xl {
    font-size: clamp(2rem, 5vw, 3rem);
}

/* Aspect ratios */
.aspect-square {
    aspect-ratio: 1 / 1;
}

.aspect-video {
    aspect-ratio: 16 / 9;
}

.aspect-4-3 {
    aspect-ratio: 4 / 3;
}

/* Responsive Design */
@media (max-width: 480px) {
    .container-custom {
        padding: 0 1rem;
    }
    
    .section-padding {
        padding: 2rem 0;
    }
    
    .p-section {
        padding: 2rem 1rem;
    }
    
    .grid-auto-fit {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .text-responsive-mobile {
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    .sm-hidden { display: none !important; }
    .sm-block { display: block !important; }
    .sm-flex { display: flex !important; }
    .sm-grid { display: grid !important; }
    
    .sm-text-center { text-align: center !important; }
    .sm-text-left { text-align: left !important; }
    
    .sm-p-4 { padding: 1rem !important; }
    .sm-px-4 { padding-left: 1rem !important; padding-right: 1rem !important; }
    .sm-py-4 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
    
    .sm-gap-4 { gap: 1rem !important; }
    .sm-gap-6 { gap: 1.5rem !important; }
}

@media (min-width: 641px) and (max-width: 1023px) {
    /* Breakpoint tablette pour 2 colonnes */
    .packs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .pack-card.recommended {
        grid-column: span 2;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .md-hidden { display: none !important; }
    .md-block { display: block !important; }
    .md-flex { display: flex !important; }
    .md-grid { display: grid !important; }
    
    .md-flex-col { flex-direction: column !important; }
    .md-flex-row { flex-direction: row !important; }
    
    .md-w-full { width: 100% !important; }
    .md-w-auto { width: auto !important; }
    
    /* Packs mobile : égalise les hauteurs et supprime décalages */
    .packs-grid {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
    
    .pack-card,
    .pack-card.recommended,
    .pack-card:first-child,
    .pack-card:last-child {
        min-height: 450px;
        transform: none;
    }
    
    .pack-card.recommended:hover,
    .pack-card:first-child:hover,
    .pack-card:last-child:hover {
        transform: translateY(-8px) scale(1.02);
    }
}

@media (min-width: 1024px) {
    .lg-block { display: block !important; }
    .lg-flex { display: flex !important; }
    .lg-grid { display: grid !important; }
    .lg-hidden { display: none !important; }
    
    .lg-text-left { text-align: left !important; }
    .lg-text-center { text-align: center !important; }
    .lg-text-right { text-align: right !important; }
}

@media (min-width: 1280px) {
    .xl-container {
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .xl-p-8 { padding: 2rem !important; }
    .xl-gap-8 { gap: 2rem !important; }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .dark-hidden { display: none !important; }
    .dark-block { display: block !important; }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .border-premium {
        border-width: 2px;
    }
    
    .shadow-glass,
    .shadow-glow,
    .shadow-premium {
        box-shadow: none;
        border: 2px solid var(--ink);
    }
}

/* === RESPONSIVE SECTIONS FINALES === */

/* Section CTA responsive */
@media (max-width: 768px) {
    .cta-card {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .cta-card h3 {
        font-size: 1.4rem;
    }
    
    .cta-card p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-card .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Section contacts responsive */
@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-item {
        padding: 1.25rem;
    }
    
    .contact-icon {
        font-size: 1.5rem;
    }
    
    .infos {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .infos h4 {
        font-size: 1.1rem;
    }
    
    .infos p {
        font-size: 0.9rem;
    }
}

/* Print styles */
@media print {
    .print-hidden { display: none !important; }
    .print-block { display: block !important; }
    
    .shadow-glass,
    .shadow-glow,
    .shadow-premium,
    .shadow-hover {
        box-shadow: none !important;
    }
    
    .bg-glass,
    .bg-card,
    .bg-card-premium {
        background: white !important;
        border: 1px solid #000 !important;
    }
}

/* Performance optimizations */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.will-change-scroll {
    will-change: scroll-position;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Export */
.utilities-loaded {
    --utilities-ready: true;
}