:root{
    --bg:#222222;
    --dark: #333333;
    --medium: #444444;
    --text:#bbbbbb;
    --text-white: #ffffff;
    --linux:#008800;
    --photo:#ff8800;
    --design:#0088ff;
    
}

/* Roboto Regular 400 */
@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    src: url('../fonts/roboto/Roboto-Regular.ttf') format('truetype');
}

/* Roboto Slab Regular 400 */
@font-face {
    font-family: 'Roboto Slab';
    font-style: normal;
    font-weight: 400;
    src: url('../fonts/roboto-slab/RobotoSlab-Regular.ttf') format('truetype');
}

/* Light theme overrides via body class */
body.sh-theme-light {
    --bg: #ffffff;
    --medium: #999999;
    --text: #444444;
    --text-white: #000000;
}
body {
    font-family: 'Liberation Sans', 'Roboto', sans-serif;
    background-color: var(--bg);
    color: var(--text);
}

/* =========================
   Global links (default)
   ========================= */
a {
    color: var(--linux);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
    font-style: italic;
}




/* =========================
   SH: Layout helpers
   (replaces ALL bootstrap utilities incl. d-*)
   ========================= */
.sh-flex{ display:flex; }
.sh-flex-wrap{ flex-wrap:wrap; }
.sh-items-center{ align-items:center; }
.sh-justify-between{ justify-content:space-between; }
.sh-justify-center{ justify-content:center; }
.sh-gap-2{ gap:.5rem; }
.sh-gap-3{ gap:1rem; }
.sh-gap-4{ gap:1.5rem; }
.sh-py-3{ padding-top:1rem; padding-bottom:1rem; }
.sh-pb-3{ padding-bottom:1rem; }
.sh-py-4{ padding-top:1.5rem; padding-bottom:1.5rem; }
.sh-pt-3{ padding-top:1rem; }
.sh-py-3{ padding-top:1rem; padding-bottom:1rem; }
.sh-py-5{ padding-top:3rem; padding-bottom:3rem; }
.sh-py-05{ padding-top:0; padding-bottom:3rem; }
.sh-px-3{ padding-left:1rem; padding-right:1rem; }
.sh-mx-3{ margin-left:1rem !important; margin-right:1rem !important; }
.sh-mb-0{ margin-bottom:0; }
.sh-mb-2{ margin-bottom:.5rem; }
.sh-mb-3{ margin-bottom:1rem; }
.sh-mb-4{ margin-bottom:1.5rem; }
.sh-mt-2{ margin-top:.5rem; }
.sh-mt-3{ margin-top:1rem; }
.sh-mt-4{ margin-top:1.5rem; }
.sh-me-2{ margin-right:.5rem; }
.sh-me-3{ margin-right:1rem; }
.sh-me-4{ margin-right:1.5rem; }
.sh-m0{ margin:0 !important; }
.sh-p0{ padding:0 !important; }
.sh-h-100{ height:100%; }
.sh-list-plain{
  list-style:none;
  padding-left:0;
  margin:0;
}
/* Responsive show/hide (replaces d-none / d-md-* / d-sm-*) */
.sh-show-md-up{ display:none; }
.sh-hide-md-up{ display:block; }
.sh-show-sm-up{ display:none; }
@media (min-width:576px){
  .sh-show-sm-up{ display:inline; }
}
@media (min-width:768px){
  .sh-show-md-up{ display:flex; }
  .sh-hide-md-up{ display:none; }
}

/* =========================
   SH: Typography helpers
   (replaces h3/h4/h5 classes)
   ========================= */
.sh-h3{ font-size:1.75rem; line-height:1.2; margin:0; }
.sh-h4{ font-size:1.5rem;  line-height:1.2; margin:0; }
.sh-h5{ font-size:1.25rem; line-height:1.2; margin:0; }
/* =========================
   Header
   ========================= */
.sh-site-header{
  position: sticky;
  top: 0;
  z-index: 1050;
  background: var(--bg);
  border-bottom: 3px solid var(--medium);
}
.sh-header-row{
  position: relative;
  min-height: 56px;
}
.sh-brand-area{
  display: inline-flex;
  align-items: center;
  min-width: 0;
}
.sh-brand-logo{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--text) !important;
  text-decoration: none !important;
  white-space: nowrap;
  flex: 0 0 auto;
}
.sh-brand-logo i{ color: var(--linux); }
/* Logo: no hover effect */
a.sh-brand-logo:hover{
  text-decoration: none !important;
  font-style: normal !important;
  font-weight: inherit !important;
}

.sh-brand-deco{
  font-family: 'Liberation Serif', 'Roboto Slab', serif;
  font-size: 1.2rem;
  font-weight: 500;
  margin-left: .75rem;
  opacity: .85;
  white-space: nowrap;
  user-select: none;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 45vw;
}
/* Center nav ALWAYS centered (desktop) */
.sh-center-nav{
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 2rem;
  align-items: center;
  white-space: nowrap;
}
/* Center navigation colors */
.sh-nav-linux{ color: var(--linux) !important; }
.sh-nav-photo{ color: var(--photo) !important; }
.sh-nav-design{ color: var(--design) !important; }
/* Center nav hover: ONLY bold */
a.sh-main-nav-link{
  text-decoration: none !important;
  font-style: normal !important;
  font-weight: 700;
  letter-spacing: .2px;
}
a.sh-main-nav-link:hover{
  text-decoration: none !important;
  font-style: normal !important;
  font-weight: 900;
}
/* =========================
   Mega menu
   ========================= */
.sh-mega-wrap{
  background: #1c1c1c;
  border-bottom: 1px solid rgba(187,187,187,.12);
}
body.sh-theme-light .sh-mega-wrap{
  background: #e9e9e9;
  border-bottom: 1px solid rgba(0,0,0,.12);
}
.sh-mega-inner{ padding: 1.25rem 0; }

.sh-mega-card{
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(187,187,187,.12);
  border-radius: .75rem;
  padding: 1rem;
  height: 100%;
}
body.sh-theme-light .sh-mega-card{
  background: rgba(0,0,0,.03);
  border: 1px solid rgba(0,0,0,.12);
}
.sh-mega-title {
    margin: 0 0 .5rem 0;
    color: var(--linux);
}
.sh-mega-subtitle {
    margin-bottom: 1rem;
    font-size: .9rem;
    color: var(--text);
}
.sh-mega-subtitle1 {
    margin-bottom: 1rem;
    font-size: .9rem;
    color: var(--text-white);
}
/* Replace g-3 / g-4 gutter utilities using Bootstrap row CSS variables */
.sh-row-gap-3{
  --bs-gutter-x: 1rem;
  --bs-gutter-y: 1rem;
}
.sh-row-gap-4{
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 1.5rem;
}
/* =========================
   Content placeholders
   ========================= */
.sh-section{
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(187,187,187,.10);
  border-radius: 1rem;
  padding: 2rem;
  margin: 0;
}
.sh-section:hover {
  border: 1px solid var(--linux);
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.5);
}
.sh-section > p {
  padding: .5rem 1rem;
  text-align: justify;
}
.sh-section > pre {
  background: rgba(0,0,0,.1);
  margin: 1rem;
  padding: 1rem;
  border-radius: .5rem;
  overflow-x: auto;
  color: var(--text-white);
  font-size: .8rem!important;
}
.sh-section > a {
  margin: 1rem 1rem 0 1rem;
}
.sh-section-0 {
  background: transparent;
  padding: 2rem;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sh-section-divider {
  background: transparent;
  padding: 0;
  margin: 3rem 0 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 2px solid var(--linux) !important;
}
.sh-section-divider0 {
  background: transparent;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.sh-theme-light .sh-section{
  background: rgba(0,0,0,.03);
  border: 1px solid rgba(0,0,0,.10);
}
body.sh-theme-light .sh-section:hover {
  border: 1px solid var(--linux);
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.5);
}

/* =========================
   Header Controls (smaller)
   ========================= */
.sh-controls{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
/* 1) Smaller language switch */
.sh-lang-btn{
  border: 1px solid rgba(187,187,187,.25);
  color: var(--text);
  background: transparent;
  padding: .2rem .5rem;            /* smaller */
  border-radius: .375rem;
  font-size: .85rem;               /* smaller */
  line-height: 1.2;
}
.sh-lang-btn:hover{
  border-color: rgba(187,187,187,.45);
  color: var(--text);
}
body.sh-theme-light .sh-lang-btn{
  border: 1px solid rgba(0,0,0,.25);
}

.sh-dropdown-menu{
  background: #1b1b1b;
  border: 1px solid rgba(187,187,187,.15);
  min-width: 7rem;
}
body.sh-theme-light .sh-dropdown-menu{
  background: #f6f6f6;
  border: 1px solid rgba(0,0,0,.15);
}
.sh-dropdown-item{ color: var(--text); background: transparent; }
.sh-dropdown-item:hover{
  background: rgba(0,136,0,.15);
  color: var(--text);
}
/* 2) Light/Dark button (small icon button) */
.sh-theme-btn{
  border: 1px solid rgba(187,187,187,.25);
  color: var(--text);
  background: transparent;
  padding: .2rem .5rem;
  border-radius: .375rem;
  font-size: .85rem;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
}
.sh-theme-btn:hover{
  border-color: rgba(187,187,187,.45);
}
body.sh-theme-light .sh-theme-btn{
  border: 1px solid rgba(0,0,0,.25);
}
/* Mobile icon nav */
.sh-nav-icon{
  padding: 0 .75rem;
  font-size: 2rem;
  line-height: 1;
}
/* Footer */
.sh-footer-top-border{
  border-top: 1px solid rgba(187,187,187,.15);
}
body.sh-theme-light .sh-footer-top-border{
  border-top: 1px solid var(--medium);
}



/* =========================
   SH: My CSS Tags
   ========================= */
.sh-tc-white {
    color: var(--text-white)!important;
}
.sh-tc-light {
    color: var(--text-light)!important;
}

.sh-tc-linux {
  color: var(--linux)!important;
}

.sh-logo-nav {
    width: 38px;
    height: 38px;
}
.sh-nav-lnx-icon {
    width: 20px;
    height: 20px;
    margin-right: .5rem;
    color: var(--linux);
}
.sh-nav-lnx-titel {
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 1.3rem;
    font-weight: 200;
    color: var(--linux);
}
.sh-nav-foto-icon {
    width: 20px;
    height: 20px;
    margin-right: .5rem;
    color: var(--photo);
}
.sh-nav-foto-titel {
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 1.5rem;
    font-weight: 200;
    color: var(--photo);
}
.sh-nav-des-icon {
    width: 20px;
    height: 20px;
    margin-right: .5rem;
    color: var(--design);
}
.sh-nav-des-titel {
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 1.5rem;
    font-weight: 200;
    color: var(--design);
}

.sh-logo-img {
    width: 160px;
    height: 160px;
}

.sh-section-welcome {
    padding: 2rem 0 5rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid var(--linux);
}
.sh-welcome-head {
    margin: 0 0 4rem 0;
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    text-align: center;
}
.sh-welcome-img {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 1rem 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: transparent;
}
.sh-me-img {
    width: 200px;
    height: 200px;
    border: 7px solid var(--medium);
    border-radius: 100%;
}
.sh-welcome-text {
    width: 100%;
    margin: 1.5rem 0 0 0;
    padding: 2rem 3rem 2rem 3rem;
    background-color: transparent;
    text-align: end;
}

.sh-aboutme {
    margin: 5rem 1rem 3rem 1rem;
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 3rem;
    font-weight: 100;
    color: var(--linux);
    text-align: center;
}

.sh-section-main {
    padding-bottom: 4rem;
    border-bottom: 3px solid var(--linux);
}
.sh-section-main0 {
    padding-bottom: 2rem;
}

.sh-headline {
    margin: 0 0 1.5rem 0;
    padding: 3rem 0 0 1rem;
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 2rem;
    color: var(--text-white);
    border-bottom: 1px solid #777777;
}

.sh-card-title {
    padding: 0 0 .125rem .5rem;
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--linux);
}
.sh-card-title > i {
    padding-right: 1rem;
}

.sh-footer-icon {
    width: 16px;
    height: 16px;
}
.sh-footer-img {
    color: var(--text)!important;
}
.sh-footer-links {
    margin: 0;
    padding: 0 1rem 0 0;
    text-align: start;
}
.sh-footer-mitte {
    margin: 0;
    padding: 0 1rem;
    text-align: center;
}
.sh-footer-rechts {
    margin: 0;
    padding: 0 1rem 0 0;
    text-align: end;
}
.sh-footer-rechts > p {
    margin: 0;
    padding: 0;
}
.sh-footer-links > a, .sh-footer-mitte > a {
    margin: 0;
    padding: 0 1rem 0 0;
}
.sh-copyright {
    margin: 0 1rem 0 0;
    font-size: .8rem;
    color: var(--text);
}


.sh-modal, .sh-modal-content {
    border: 3px solid var(--linux)!important;
}
.sh-modal-header {
    display: flex;
    justify-content: space-between;
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    color: var(--linux);
    background-color: var(--bg);
}
.sh-modal-body {
    padding: 2rem;
    background-color: var(--bg);
    color: var(--text);
}
.sh-modal-footer {
    background-color: var(--bg);
    color: var(--text);
    font-size: .8rem;
}
.sh-btn-close {
    padding: .125rem .5rem;
    background-color: #db0000;
    border: 2px solid #db0000;
    border-radius: .25rem;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
}
.sh-btn-close:hover {
    border: 2px solid var(--text);
}


.sh-ta-start {
  text-align: start !important;
}
.sh-ta-center {
  text-align: center !important;
}
.sh-ta-end {
  text-align: end !important;
}
.sh-ts-09 {
  font-size: .9rem !important;
}

.sh-pre {
  background: rgba(0,0,0,.1);
  margin: 1rem 0;
  padding: 1rem;
  border-radius: .5rem;
  overflow-x: auto;
  color: var(--text-white);
  font-size: .8rem!important;
}

.sh-section-shbtk {
    padding-bottom: 4rem;
    border-bottom: 3px solid var(--linux);
}
.sh-linux-header {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid var(--linux);
}
.sh-linux-headline {
  margin: 0;
  padding: 0;
  font-family: 'Liberation Serif', 'Roboto Slab', serif;
  font-size: 4rem;
  color: var(--linux);
}
.sh-shbtk-header {
   margin: 0;
   padding: 2rem;
   background-color: var(--bg);
}
.sh-shbtk-overview {
  font-family: 'Liberation Serif', 'Roboto Slab', serif;
}
.sh-linux-icon {
  color: var(--linux);
  width: 80px;
  height: 80px;
}
.sh-linux-title {
    padding: 0;
    font-family: 'Liberation Serif', 'Roboto Slab', serif;
    font-size: 1.5rem;
}

.sh-shbtk-code {
  margin: .5rem 0 0 0;
  padding: 0;
  font-family: monospace;
  font-size: .8rem;
}


.sh-shbtk-sec1 {
  background: transparent;
  padding: 2rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: start;
  width: 100%;
}






.sh-shbtk-image {
  width: 600px;
  height: auto;
  margin: 0;
  padding: 0;
}

.sh-shbtk-ul {
  margin: 1rem;
  padding: 0;
  list-style: none;
}

.sh-dl-btn {
  display: inline-block;
  margin: 0 .5rem;
  padding: .25rem .75rem;
  background-color: var(--linux);
  color: var(--text-white);
  font-family: 'Liberation Sans', 'Roboto', sans-serif;
  font-size: .8rem;
  font-weight: 500;
  border: 1px solid var(--linux);
  border-radius: .25rem;
  text-decoration: none;
  box-shadow: 3px 3px 4px rgba(0,0,0,.4);
}
.sh-dl-btn:hover {
  background-color: #006600;
  box-shadow: 3px 3px 4px rgba(0,0,0,.6);
  border: 1px solid #999999;
  text-decoration: none;
}


.sh-section-shbtk-body {
  margin: 0;
  padding: 2rem 3rem;
}

.sh-linux-warn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.sh-linux-warn-title {
  font-size: 2rem;
  color: #db0000;
}
.sh-linux-warn > p {
  text-align: center;
}

.sh-text {
  margin: 0;
  padding: .5rem 1rem 1rem 1rem;
  text-align: justify;
}

@media (max-width: 1199px) {
    .sh-footer-mitte {
        margin: 1rem;
    }
}

@media (max-width: 991px) {
    .sh-footer-mitte, .sh-footer-links, .sh-footer-rechts {
        margin: 0;
        padding: 0;
        text-align: center;
    }
    .sh-footer-mitte {
        margin: 1rem 0;
    }
}

@media (max-width: 767px) {
    .sh-center-nav {
        display: none;
    }
    .sh-linux-headline {
      font-size: 2.75rem;
    }
    .sh-shbtk-icon {
      width: 50px;
      height: 50px;
    }
}