/**
 * Xtranumerik Contrôle Responsive Global - Système d'adaptation universel
 * S'adapte de mobile (320px) à 4K (3840px+)
 * Mobile First approach avec progressive enhancement
 */

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

* {
    box-sizing: border-box;
}

html {
    font-size: 16px; /* Base pour rem */
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    min-width: 320px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
video,
iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== FLUID CONTAINERS ===== */

.container,
.container-xtr,
.container-fluid {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.container,
.container-xtr {
    max-width: 1400px;
}

.container-fluid {
    max-width: 100%;
}

/* ===== RESPONSIVE GRID SYSTEM ===== */

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -1rem;
    margin-right: -1rem;
}

.col {
    flex: 1;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* Colonnes flexibles */
.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* ===== BREAKPOINTS MOBILES ===== */

/* Extra Small - Mobile Portrait (320px - 480px) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container,
    .container-xtr {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Stack all columns on mobile */
    [class*="col-"] {
        flex: 0 0 100%;
        max-width: 100%;
    }

    /* Text sizing */
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.875rem; }

    /* Hide on mobile */
    .hide-mobile {
        display: none !important;
    }
}

/* Small - Mobile Landscape (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .container,
    .container-xtr {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
    .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ===== BREAKPOINTS TABLETTES ===== */

/* Medium - Tablets (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    html {
        font-size: 16px;
    }

    .container,
    .container-xtr {
        max-width: 960px;
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }

    /* Hide on tablet */
    .hide-tablet {
        display: none !important;
    }
}

/* ===== BREAKPOINTS DESKTOP ===== */

/* Large - Standard Desktop (1025px - 1440px) */
@media (min-width: 1025px) and (max-width: 1440px) {
    html {
        font-size: 16px;
    }

    .container,
    .container-xtr {
        max-width: 1200px;
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .col-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Extra Large - Large Desktop (1441px - 1919px) */
@media (min-width: 1441px) and (max-width: 1919px) {
    html {
        font-size: 17px;
    }

    .container,
    .container-xtr {
        max-width: 1400px;
        padding-left: 2.5rem;
        padding-right: 2.5rem;
    }

    section {
        padding: 6rem 0;
    }
}

/* ===== BREAKPOINTS GRANDS ÉCRANS ===== */

/* Full HD - 1920x1080 */
@media (min-width: 1920px) and (max-width: 2559px) {
    html {
        font-size: 18px;
    }

    .container,
    .container-xtr {
        max-width: 1600px;
        padding-left: 3rem;
        padding-right: 3rem;
    }

    section {
        padding: 7rem 0;
    }

    h1 { font-size: 4.5rem; }
    h2 { font-size: 3.5rem; }
    h3 { font-size: 2.5rem; }
    h4 { font-size: 2rem; }
}

/* 2K/QHD - 2560x1440 */
@media (min-width: 2560px) and (max-width: 3839px) {
    html {
        font-size: 20px;
    }

    .container,
    .container-xtr {
        max-width: 2000px;
        padding-left: 4rem;
        padding-right: 4rem;
    }

    section {
        padding: 8rem 0;
    }

    h1 { font-size: 5.5rem; }
    h2 { font-size: 4rem; }
    h3 { font-size: 3rem; }
    h4 { font-size: 2.5rem; }

    /* Plus d'espace pour les cartes */
    .card,
    .glass-card {
        padding: 3rem;
    }

    /* Boutons plus gros */
    .btn,
    .btn-primary,
    .btn-secondary {
        font-size: 1.5rem;
        padding: 1.75rem 3.5rem;
    }
}

/* 4K - 3840x2160 */
@media (min-width: 3840px) {
    html {
        font-size: 22px;
    }

    .container,
    .container-xtr {
        max-width: 2400px;
        padding-left: 5rem;
        padding-right: 5rem;
    }

    section {
        padding: 10rem 0;
    }

    h1 { font-size: 7rem; }
    h2 { font-size: 5rem; }
    h3 { font-size: 4rem; }
    h4 { font-size: 3rem; }

    .card,
    .glass-card {
        padding: 4rem;
    }

    .btn,
    .btn-primary,
    .btn-secondary {
        font-size: 1.75rem;
        padding: 2rem 4rem;
    }
}

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

/* Visibility utilities */
.show-mobile { display: none !important; }
.show-tablet { display: none !important; }
.show-desktop { display: none !important; }

@media (max-width: 768px) {
    .show-mobile { display: block !important; }
    .hide-mobile { display: none !important; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .show-tablet { display: block !important; }
    .hide-tablet { display: none !important; }
}

@media (min-width: 1025px) {
    .show-desktop { display: block !important; }
    .hide-desktop { display: none !important; }
}

/* Text alignment responsive */
@media (max-width: 768px) {
    .text-mobile-center { text-align: center !important; }
    .text-mobile-left { text-align: left !important; }
    .text-mobile-right { text-align: right !important; }
}

/* Spacing responsive */
@media (max-width: 768px) {
    .p-mobile-0 { padding: 0 !important; }
    .m-mobile-0 { margin: 0 !important; }
    .mt-mobile-2 { margin-top: 2rem !important; }
    .mb-mobile-2 { margin-bottom: 2rem !important; }
}

/* ===== ORIENTATION SUPPORT ===== */

/* Portrait mode - Optimize vertical space */
@media (orientation: portrait) {
    .hero-section,
    section {
        padding: 4rem 0;
    }
}

/* Landscape mode - Optimize horizontal space */
@media (orientation: landscape) and (max-height: 600px) {
    .hero-section {
        min-height: auto;
        padding: 3rem 0;
    }

    section {
        padding: 2.5rem 0;
    }

    /* Reduce vertical padding */
    .container,
    .container-xtr {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
}

/* ===== ACCESSIBILITY ===== */

/* High contrast mode */
@media (prefers-contrast: high) {
    body {
        background: #000;
        color: #fff;
    }

    .card,
    .glass-card {
        border-width: 3px;
        border-color: #fff;
    }

    button,
    .btn {
        border-width: 3px;
        font-weight: 700;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===== TOUCH DEVICE OPTIMIZATION ===== */

@media (hover: none) and (pointer: coarse) {
    /* Increase tap targets */
    button,
    a,
    input,
    select,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }

    /* Remove hover effects */
    *:hover {
        transform: none !important;
    }

    /* Better touch feedback */
    button:active,
    a:active {
        opacity: 0.7;
    }
}

/* ===== PRINT STYLES ===== */

@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }

    img {
        page-break-inside: avoid;
        max-width: 100% !important;
    }

    h2,
    h3 {
        page-break-after: avoid;
    }

    .container,
    .container-xtr {
        max-width: 100%;
    }

    /* Hide non-essential elements */
    nav,
    footer,
    .btn,
    button,
    .particles-bg,
    video,
    iframe {
        display: none !important;
    }
}