:root {
    --grid-gutter: 15px;
    --container-sm: 540px;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1140px;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* Reset és alapbeállítások */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Container */
.container {
    width: 100%;
    padding-right: var(--grid-gutter);
    padding-left: var(--grid-gutter);
    margin-right: auto;
    margin-left: auto;
	box-sizing: border-box;
}

.container-fluid {
    width: 100%;
    padding-right: var(--grid-gutter);
    padding-left: var(--grid-gutter);
    margin-right: auto;
    margin-left: auto;
}

/* Row */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: calc(-1 * var(--grid-gutter));
    margin-left: calc(-1 * var(--grid-gutter));
    min-height: 100%;
}

.row-eq-height {
    display: grid;
    grid-template-columns: repeat(12, 1fr);	
}

.row-eq-height .col-md-6 {
	grid-column: span 6;
}

/* Alap oszlop beállítások */
[class^="col-"] {
    position: relative;
    width: 100%;
    padding-right: var(--grid-gutter);
    padding-left: var(--grid-gutter);
}

/* Reszponzív container méretek */
@media (min-width: 576px) {
    .container {
        max-width: var(--container-sm);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-md);
    }
}

@media (min-width: 992px) {
    .container {
        max-width: var(--container-lg);
    }

    /* Grid oszlopok md méretben */
    .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: 1200px) {
    .container {
        max-width: var(--container-xl);
    }
}

/* Segédosztályok */
.no-gutters {
    margin-right: 0;
    margin-left: 0;
}

.no-gutters > [class^="col-"] {
    padding-right: 0;
    padding-left: 0;
}

/* Display segédosztályok */
.d-none { display: none !important; }
.d-block { display: block !important; }

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

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

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

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

@media (max-width: 767px) {
    .row {
        margin-right: 0;
        margin-left: 0;
    }
    
    [class*="col-"] {
        padding-right: 0;
        padding-left: 0;
    }
}

/* Speciális row módosítók */
.main-nav .container .row {
    flex-wrap: inherit;
}

/* Térköz módosítók */
.row-no-spacing > [class^="col-"] {
    margin: 0;
    padding: 0;
}

.row-no-horizontal-spacing {
    margin-left: 0;
    margin-right: 0;
}

.row-no-horizontal-spacing > [class^="col-"] {
    padding-left: 0;
    padding-right: 0;
}

.row-no-vertical-spacing {
    margin-top: 0;
    margin-bottom: 0;
}

.row-no-vertical-spacing > [class^="col-"] {
    padding-top: 0;
    padding-bottom: 0;
}

/* Hasznos segédosztályok */
.img-responsive {
    max-width: 100%;
    height: auto;
    display: block;
}

.col-vertical-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
}

.col-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
}

.text-center {
    text-align: center;
}

/* Lista stílusok */
.checklist {
    list-style: none;
    padding-left: 0;
}

.checklist li {
    padding-left: 1.5em;
    position: relative;
    margin-bottom: 0.5em;
}

.checklist li::before {
    content: "✅";
    position: absolute;
    left: 0;
    top: 0;
}

/* Flex segédosztályok */
.justify-content-center {
	display: flex;
    justify-content: center;
}

.justify-content-start {
    justify-content: flex-start;
}

.justify-content-end {
    justify-content: flex-end;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-around {
    justify-content: space-around;
}

/* Align segédosztályok */
.align-items-center {
    align-items: center;
}

.align-items-start {
    align-items: flex-start;
}

.align-items-end {
    align-items: flex-end;
}

.align-items-stretch {
    align-items: stretch;
}

/* Flex irány segédosztályok */
.flex-column {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}