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

/* Container System */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.col {
    flex: 1;
    padding: 0 10px;
}

/* Column Sizes */
.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%; }

/* Offset Columns */
.offset-1 { margin-right: 8.333333%; }
.offset-2 { margin-right: 16.666667%; }
.offset-3 { margin-right: 25%; }
.offset-4 { margin-right: 33.333333%; }
.offset-5 { margin-right: 41.666667%; }
.offset-6 { margin-right: 50%; }

/* Responsive Grid */
@media (min-width: 576px) {
    .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-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
    .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (min-width: 768px) {
    .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-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (min-width: 992px) {
    .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-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-lg-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (min-width: 1200px) {
    .col-xl-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-xl-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-xl-3 { flex: 0 0 25%; max-width: 25%; }
    .col-xl-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-xl-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-xl-6 { flex: 0 0 50%; max-width: 50%; }
    .col-xl-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-xl-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-xl-9 { flex: 0 0 75%; max-width: 75%; }
    .col-xl-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-xl-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-xl-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Responsive Typography */
.display-1 { font-size: 6rem; }
.display-2 { font-size: 5.5rem; }
.display-3 { font-size: 4.5rem; }
.display-4 { font-size: 3.5rem; }

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

@media (max-width: 1200px) {
    .display-1 { font-size: 5rem; }
    .display-2 { font-size: 4.5rem; }
    .display-3 { font-size: 3.75rem; }
    .display-4 { font-size: 3rem; }
}

@media (max-width: 992px) {
    .display-1 { font-size: 4rem; }
    .display-2 { font-size: 3.5rem; }
    .display-3 { font-size: 3rem; }
    .display-4 { font-size: 2.5rem; }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
}

@media (max-width: 768px) {
    .display-1 { font-size: 3rem; }
    .display-2 { font-size: 2.5rem; }
    .display-3 { font-size: 2rem; }
    .display-4 { font-size: 1.75rem; }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
}

@media (max-width: 576px) {
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    .display-4 { font-size: 1.5rem; }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.125rem; }
    h4 { font-size: 1rem; }
}

/* Responsive Spacing */
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 1rem; }
.m-4 { margin: 1.5rem; }
.m-5 { margin: 3rem; }

@media (max-width: 768px) {
    .p-1 { padding: 0.2rem; }
    .p-2 { padding: 0.4rem; }
    .p-3 { padding: 0.8rem; }
    .p-4 { padding: 1.2rem; }
    .p-5 { padding: 2.4rem; }

    .m-1 { margin: 0.2rem; }
    .m-2 { margin: 0.4rem; }
    .m-3 { margin: 0.8rem; }
    .m-4 { margin: 1.2rem; }
    .m-5 { margin: 2.4rem; }
}

/* Responsive Images */
.img-fluid {
    max-width: 100%;
    height: auto;
}

.img-thumbnail {
    padding: 0.25rem;
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    max-width: 100%;
    height: auto;
}

/* Responsive Tables */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive-sm {
    display: block;
    width: 100%;
    overflow-x: auto;
}

@media (min-width: 576px) {
    .table-responsive-sm {
        display: table;
        width: 100%;
        overflow-x: visible;
    }
}

/* Responsive Embeds */
.embed-responsive {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    overflow: hidden;
}

.embed-responsive::before {
    display: block;
    content: "";
}

.embed-responsive .embed-responsive-item,
.embed-responsive iframe,
.embed-responsive embed,
.embed-responsive object,
.embed-responsive video {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.embed-responsive-21by9::before {
    padding-top: 42.857143%;
}

.embed-responsive-16by9::before {
    padding-top: 56.25%;
}

.embed-responsive-4by3::before {
    padding-top: 75%;
}

.embed-responsive-1by1::before {
    padding-top: 100%;
}

/* Responsive Utilities */
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-table { display: table !important; }
.d-table-row { display: table-row !important; }
.d-table-cell { display: table-cell !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

@media (min-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-inline { display: inline !important; }
    .d-sm-inline-block { display: inline-block !important; }
    .d-sm-block { display: block !important; }
    .d-sm-table { display: table !important; }
    .d-sm-table-row { display: table-row !important; }
    .d-sm-table-cell { display: table-cell !important; }
    .d-sm-flex { display: flex !important; }
    .d-sm-inline-flex { display: inline-flex !important; }
}

@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-inline { display: inline !important; }
    .d-md-inline-block { display: inline-block !important; }
    .d-md-block { display: block !important; }
    .d-md-table { display: table !important; }
    .d-md-table-row { display: table-row !important; }
    .d-md-table-cell { display: table-cell !important; }
    .d-md-flex { display: flex !important; }
    .d-md-inline-flex { display: inline-flex !important; }
}

@media (min-width: 992px) {
    .d-lg-none { display: none !important; }
    .d-lg-inline { display: inline !important; }
    .d-lg-inline-block { display: inline-block !important; }
    .d-lg-block { display: block !important; }
    .d-lg-table { display: table !important; }
    .d-lg-table-row { display: table-row !important; }
    .d-lg-table-cell { display: table-cell !important; }
    .d-lg-flex { display: flex !important; }
    .d-lg-inline-flex { display: inline-flex !important; }
}

@media (min-width: 1200px) {
    .d-xl-none { display: none !important; }
    .d-xl-inline { display: inline !important; }
    .d-xl-inline-block { display: inline-block !important; }
    .d-xl-block { display: block !important; }
    .d-xl-table { display: table !important; }
    .d-xl-table-row { display: table-row !important; }
    .d-xl-table-cell { display: table-cell !important; }
    .d-xl-flex { display: flex !important; }
    .d-xl-inline-flex { display: inline-flex !important; }
}

/* Print Styles */
@media print {
    .d-print-none { display: none !important; }
    .d-print-inline { display: inline !important; }
    .d-print-inline-block { display: inline-block !important; }
    .d-print-block { display: block !important; }
    .d-print-table { display: table !important; }
    .d-print-table-row { display: table-row !important; }
    .d-print-table-cell { display: table-cell !important; }
    .d-print-flex { display: flex !important; }
    .d-print-inline-flex { display: inline-flex !important; }
}