:root {
  --color-red: #c8102e;
  --color-red-dark: #a50d25;
  --color-black: #111111;
  --color-text: #222222;
  --color-text-light: #666666;
  --color-border: #d9d9d9;
  --color-bg: #f5f5f5;
  --color-white: #ffffff;
  --color-card: #ffffff;
  --color-shadow: rgba(0,0,0,0.08);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --container-width: 1200px;
  --transition: all 0.25s ease;
}

html{
  scroll-behavior:smooth;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:"Titillium Web",sans-serif;
  color:var(--color-text);
  background:var(--color-bg);
  line-height:1.5;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:var(--color-red);
  text-decoration:none;
}

a:hover{
  text-decoration:none;
  color: #000000;
}

/* HEADER */

.site-header{
  background: rgb(0,0,0);
  border-bottom: 1px solid #1f1f1f;
}

.header-inner{
  max-width: var(--container-width);
  margin: auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-group{
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-logo{
  height: 50px;
}

.site-title{
  color:white;
  font-size:18px;
  font-weight:600;
  text-decoration:none;
}

.site-title:hover{
  text-decoration:none;
  color:rgb(204, 204, 204);
}

.header-right{
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-navigation{
  display:flex;
  align-items:center;
  gap:28px;
}

.nav-link{
  color:white;
  font-size:18px;
  font-weight:600;
  text-decoration:none;
  opacity:0.9;
  transition:opacity .2s ease;
}

.nav-link:hover{
  color:rgb(204, 204, 204);
}

@media (min-width: 901px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
  }
}

/* UNIT TOGGLE */

.unit-toggle{
  display: inline-flex;
  background: #f2f2f2;
  border-radius: 999px;
  padding: 3px;
}

.unit-button{
  border: none;
  background: transparent;
  color: #222;
  padding: 7px 18px;
  border-radius: 999px;
  font-weight: 200;
  cursor: pointer;
}

.unit-button.active{
  background: var(--color-red);
  color: white;
}

/* LANGUAGE */

.language-select{
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid #ddd;
  font-weight: 200;
}

/* HERO */

.hero-section{
  position: relative;
  overflow: hidden;
  background: #f3f3f3;
  border-bottom: 2px solid #c8102e;
}

.hero-wrapper{
  position: relative;
  max-width: var(--container-width);
  margin: auto;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px 20px 20px;
}

.hero-inner{
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 600px;
}

.hero-inner h1{
  margin: 0;
  color: var(--color-black);
  font-size: clamp(1.9rem, 2.8vw, 3rem);
  line-height: 1.18;
  font-weight: 700;
}

.hero-subtitle{
  margin: 16px auto 0;
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.5;
  max-width: 760px;
}

.hero-insert{
  position: absolute;
  top: 80%;
  transform: translateY(-50%);
  width: 200px;
  opacity: 0.9;
  pointer-events: none;
  z-index: 1;
}

.hero-insert-left{
  left: 40px;
}

.hero-insert-right{
  right: 40px;
}

@media (max-width: 1200px){
  .hero-insert{
    width: 190px;
    opacity: 0.82;
  }

  .hero-insert-left{
    left: 10px;
  }

  .hero-insert-right{
    right: 10px;
  }
}

@media (max-width: 900px){
  .hero-wrapper{
    min-height: auto;
    padding: 42px 18px 36px;
  }

  .hero-insert{
    display: none;
  }

  .hero-inner h1{
    font-size: clamp(2rem, 7vw, 3rem);
  }

  .hero-subtitle{
    font-size: 0.98rem;
    margin-top: 14px;
  }
}

/* MAIN */

.selector-section,
.results-section{
  max-width:var(--container-width);
  margin:auto;
  padding:40px 24px;
}

.selector-section{
  padding-top: 12px;
}

.selector-inner{
  background:white;
  border-radius:var(--radius-lg);
  border:1px solid #ececec;
  padding:28px;
  box-shadow:0 8px 20px var(--color-shadow);
}

/* SECTION TITLE */

.section-heading{
  text-align: center;
  margin-bottom: 0px;
  color: #c8102e;
  padding-top: 10px;

}

.section-heading h2{
  margin: 0;
}

.section-heading p{
  color: var(--color-text-light);
}


.section-heading p{
  color:var(--color-text-light);
}

/* PROGRESS */

.selector-progress{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  margin:10px 0 26px;
  flex-wrap:wrap;
}

.progress-step{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--color-text-light);
  transition:all 0.2s ease;
}

.progress-number{
  width:30px;
  height:30px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#e9e9e9;
  color:#666;
  font-size:14px;
  font-weight:700;
  transition:all 0.2s ease;
}

.progress-label{
  font-size:14px;
  font-weight:600;
  line-height:1;
}

.progress-step.active{
  color:var(--color-black);
}

.progress-step.active .progress-number{
  background:var(--color-red);
  color:#fff;
  box-shadow:0 4px 12px rgba(200,16,46,0.18);
}

.progress-step.completed .progress-number{
  background:#222;
  color:#fff;
}

.progress-divider{
  width:34px;
  height:1px;
  background:#d7d7d7;
}

@media (max-width:760px){
  .selector-progress{
    justify-content:flex-start;
    gap:10px;
    margin-bottom:20px;
  }

  .progress-label{
    font-size:13px;
  }

  .progress-divider{
    width:20px;
  }
}

/* SELECTOR GRID */

.selector-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.selector-card{
  border:1px solid #eaeaea;
  border-radius:var(--radius-md);
  padding:22px 22px 24px;
  background:#fafafa;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.selector-card{
  transition:box-shadow 0.2s ease, transform 0.2s ease;
}

.selector-card:hover{
  box-shadow:0 10px 24px rgba(0,0,0,0.06);
}

.selector-card h3{
  margin:0;
  font-size:17px;
  line-height:1.35;
  font-weight:700;
  color:var(--color-black);
}

/* OPTIONS */

.option-group{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:4px;
}

.option-button{
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;

  padding:16px 16px;
  min-height:30px;

  font-size:15px;
  font-weight:600;

  border-radius:12px;
  border:1px solid #d8d8d8;

  background:#ffffff;
  color:#222;

  cursor:pointer;

  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease,
    background 0.15s ease;
}

.option-button:hover{
  border-color:#c8102e;
  box-shadow:0 6px 18px rgba(0,0,0,0.08);
  transform:translateY(-2px);
}

.option-button.active{
  background:#c8102e;
  border-color:#c8102e;
  color:white;

  box-shadow:0 6px 18px rgba(200,16,46,0.25);
}

/* ACTION BUTTONS */

.selector-actions{
  text-align:center;
  margin-top:30px;
}

.main-action-button{
  background:var(--color-red);
  color:white;
  border:none;
  padding:12px 24px;
  border-radius:30px;
  font-weight:700;
  cursor:pointer;
}

.secondary-action-button{
  background:#eee;
  border:none;
  padding:12px 24px;
  border-radius:30px;
  margin-left:10px;
  cursor:pointer;
}



/* RESULTS */

.results-header{
  text-align:center;
  margin-bottom:14px;
}

.results-header h2{
  margin:0 0 6px;
  font-size:32px;
  line-height:1.15;
  color:var(--color-black);
}

.results-header p{
  margin:0;
  color:var(--color-text-light);
  font-size:15px;
}

.selection-summary{
  background:#ffffff;
  border-radius:10px;
  border:1px solid #ececec;
  padding:16px 18px;
  margin:18px auto 26px;
  max-width:900px;
  box-shadow:0 4px 12px rgba(0,0,0,0.04);
}

.selection-summary h3{
  margin:0 0 10px;
  font-size:16px;
  line-height:1.2;
  color:var(--color-black);
}

.selection-summary ul{
  margin:0;
  padding-left:18px;
}

.selection-summary li{
  margin-bottom:4px;
  font-size:14px;
  color:var(--color-text);
}

.selection-summary li:last-child{
  margin-bottom:0;
}

.results-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

/* RESULT CARD */

.result-card{
  background:white;
  border:1px solid #ececec;
  border-radius:8px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:0 8px 20px var(--color-shadow);
}

.result-badge{
  background:rgba(200, 16, 46, 0.88);
  color:white;
  padding:8px 14px;
  font-weight:700;
  font-size:13px;
}

.result-card.best-match .result-badge {
  background: linear-gradient(90deg, #c8102e 0%, #a50d25 100%);
}

.result-card.best-match {
  position: relative;
  border: 1px solid rgba(200, 16, 46, 0.35);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.08),
    0 0 0 3px rgba(200, 16, 46, 0.08);
}

.result-card.best-match::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(200, 16, 46, 0.08);
}

.result-card-image{
  aspect-ratio:16/9;
  background:#f3f3f3;
}

.result-card-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.result-card-image {
  position: relative;
}

.result-card-image a{
  display:block;
  cursor:pointer;
}

.result-card-image img{
  transition:transform 0.35s ease;
}

.result-card:hover .result-card-image img{
  transform:scale(1.04);
}

.result-card-image a:hover img{
  filter:brightness(1.05);
}

.series-image-overlay {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(17, 17, 17, 0.72);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.result-card.best-match .series-image-overlay {
  background: rgba(200, 16, 46, 0.88);
}

.result-card-header{
  padding: 18px 18px 8px;
}

.series-name{
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-black);
}

.result-card.best-match .series-name{
  color: var(--color-red);
}

.result-block{
  padding: 14px 18px 10px;
  border-top: 1px solid #8a8a8a;
  margin-top: 10px;
  margin-bottom: 10px;
}

.result-block:first-of-type{
  margin-top: 15px;
}

.series-positioning{
  margin: 0;
  color: var(--color-text-light);
  font-size: 14px;
  line-height: 1.55;
}

.result-card {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.result-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.12);
  border-color: rgba(200, 16, 46, 0.22);
}

.result-card-image img {
  transition: transform 0.35s ease;
}

.result-card:hover .result-card-image img {
  transform: scale(1.03);
}

/* SPECS */

.series-specs{
  padding: 14px 18px 8px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid #b7b7b7;
  margin-top: 6px;
}

.spec-item{
  display: flex;
  align-items: center;
  padding: 4px 0;
  background: transparent;
  border: none;
  border-radius: 0;
  font-size: 15px;
  line-height: 1.3;
}

.spec-tooltypes{
  font-size: 15px;
  font-weight: 600;
  color: var(--color-black);
}

.spec-line{
  font-size: 15px;
  font-weight: 600;
  color: var(--color-black);
}

.spec-value{
  font-size: 15px;
  font-weight: 600;
  color: var(--color-black);
}

/* CONTENT BLOCK */

.result-block{
  padding: 10px 18px 2px;
}

.result-block h4{
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.25;
  color: var(--color-black);
  font-weight: 700;
}

.feature-list{
  margin: 0;
  padding-left: 18px;
}

.feature-list li{
  margin-bottom: 4px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
}

.options-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;
}

/* ALSO CONSIDER */

.also-consider-item{
  border: 1px solid #ececec;
  border-radius: 10px;
  padding: 10px 12px;
  margin-top: 8px;
  background: #fbfbfb;
}

.also-consider-text{
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 6px;
}

.also-consider-text strong{
  font-size: 14px;
  line-height: 1.3;
  color: var(--color-black);
}

.also-consider-text span{
  font-size: 13px;
  line-height: 1.45;
  color: var(--color-text-light);
}

.also-consider-links{
  margin-top: 4px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.also-consider-links a{
  font-size: 12px;
  font-weight: 700;
}

/* CARD ACTIONS */

.result-actions{
  margin-top: auto;
  padding: 16px 18px 18px;
  display: flex;
  gap: 14px;
}

.btn-primary,
.btn-secondary{
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 14px;
  text-align: center;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.btn-primary{
  background: var(--color-red);
  color: white;
}

.btn-secondary{
  background: #5c5c5c;
  color: white;
}

.btn-primary:hover,
.btn-secondary:hover{
  text-decoration: none;
  background: #000000;
  color: white;
}

/* RESET BUTTON AT BOTTOM */

.reset-container{
  display:flex;
  justify-content:center;
  margin-top:40px;
}

.reset-container .secondary-action-button{
  background:#2f2f2f;
  border:none;
  padding:10px 20px;
  border-radius:20px;
  color:#ffffff;
  cursor:pointer;
  transition:all .2s ease;
}

.reset-container .secondary-action-button:hover{
  background:#9b9b9b;
}

/* FOOTER */

.site-footer{
  background:var(--color-black);
  color:white;
}

.footer-inner{
  max-width:var(--container-width);
  margin:auto;
  text-align:center;
  padding:20px;
}

/* RESPONSIVE */

@media(max-width:1100px){
  .selector-grid,
  .results-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media(max-width:760px){

  .selector-grid,
  .results-grid{
    grid-template-columns:1fr;
  }

  .header-inner{
    flex-direction:column;
    align-items:flex-start;
  }

  .selector-actions{
    display:flex;
    flex-direction:column;
    gap:10px;
  }

  .secondary-action-button{
    margin-left:0;
  }

}

@media (max-width:900px){

  .hero-insert{
    display:none;
  }

}


/* ========================= */
/* KNOWLEDGE CENTER */
/* ========================= */

.knowledge-subnav{
  background:#525252;
  border-bottom:1px solid #7b7b7b;
}

.knowledge-subnav{
  position: sticky;
  top: 79px; /* adjust to your real header height */
  z-index: 900;
  background: #8e8e8e;
  border-bottom: 1px solid #7b7b7b;
}

.knowledge-subnav-inner{
  max-width:var(--container-width);
  margin:auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:0;
}

.knowledge-subnav-link{
  background:transparent;
  border:none;
  color:#f3f3f3;
  font-family:"Titillium Web",sans-serif;
  font-size:15px;
  font-weight:400;
  padding:14px 18px;
  cursor:pointer;
  transition:var(--transition);
  position:relative;
}

.knowledge-subnav-link:hover{
  background:rgba(255,255,255,0.08);
  color:#ffffff;
}

.knowledge-subnav-link.active{
  color:#ffffff;
  font-weight:600;
}

.knowledge-subnav-link.active::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:0;
  height:3px;
  background:var(--color-red);
  border-radius:2px 2px 0 0;
}

.knowledge-article{
  padding:60px 24px;
}

.knowledge-container{
  max-width:900px;
  margin:auto;
}

.knowledge-panel{
  display:none;
}

.knowledge-panel.active{
  display:block;
}

.knowledge-container h1{
  font-size:36px;
  margin-bottom:20px;
  color:var(--color-black);
}

.knowledge-container h2{
  margin-top:40px;
  margin-bottom:12px;
  color:var(--color-red);
}

.intro{
  font-size:18px;
  line-height:1.6;
  color:var(--color-text);
}

.knowledge-image{
  margin:30px 0;
  text-align:center;
}

.knowledge-image img{
  border-radius:12px;
  box-shadow:0 8px 20px rgba(0,0,0,0.08);
}

.image-caption{
  font-size:13px;
  color:var(--color-text-light);
  margin-top:8px;
}

.knowledge-list{
  margin:15px 0;
  padding-left:20px;
}

.knowledge-list li{
  margin-bottom:8px;
}

.knowledge-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin:30px 0;
}

.knowledge-card{
  background:white;
  border-radius:12px;
  border:1px solid #ececec;
  padding:18px;
  text-align:center;
  box-shadow:0 6px 16px rgba(0,0,0,0.06);
}

.knowledge-card img{
  margin-bottom:10px;
  border-radius:10px;
}

.knowledge-card h3{
  margin:8px 0;
}

.knowledge-cta{
  text-align:center;
  margin-top:50px;
}

.knowledge-button{
  background:var(--color-red);
  color:white;
  padding:16px 32px;
  border-radius:30px;
  min-width: 420px;
  font-weight:600;
  font-size: 15px;
  text-decoration:none;
}

.knowledge-button:hover{
  background:#000000;
  color:#ffffff;
}

.knowledge-table{
  width:100%;
  border-collapse:collapse;
  margin:25px 0;
  font-size:15px;
}

.knowledge-table th,
.knowledge-table td{
  border:1px solid #e4e4e4;
  padding:10px 12px;
  text-align:left;
}

.knowledge-table th{
  background:#f5f5f5;
  font-weight:600;
}

.knowledge-tip{
  background:#f8f8f8;
  border-left:4px solid var(--color-red);
  padding:18px 22px;
  margin:20px 0;
  border-radius:6px;
}

/* ========================= */
/* CHAPTER NAVIGATION */
/* ========================= */

.knowledge-lineup-wrapper{
  position:relative;
  display:inline-block;
}

.knowledge-lineup-link{
  display:inline-block;
  color:var(--color-red);
  font-weight:700;
  text-decoration:none;
}

.knowledge-lineup-link:hover{
  color:#000000;
  text-decoration:underline;
}

.knowledge-lineup-choices{
  position:absolute;
  z-index:10;
  top:calc(100% + 8px);
  left:0;
  display:flex;
  flex-direction:column;
  min-width:220px;
  padding:8px 0;
  background:#ffffff;
  border:1px solid #d9d9d9;
  border-radius:6px;
  box-shadow:0 8px 20px rgba(0,0,0,.14);
}

.knowledge-lineup-choices[hidden]{
  display:none;
}

.knowledge-lineup-choices a{
  padding:9px 14px;
  color:#222222;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
}

.knowledge-lineup-choices a:hover,
.knowledge-lineup-choices a:focus{
  background:#f2f2f2;
  color:var(--color-red);
}

.chapter-navigation{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  margin-top:60px;
  padding-top:30px;
  border-top:1px solid #e3e3e3;
}

.chapter-navigation.center{
  justify-content:center;
}

.chapter-prev-button,
.chapter-next-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;

  min-width:180px;
  min-height:42px;

  padding:10px 18px;

  background:var(--color-red);
  color:#ffffff;

  border:none;
  border-radius:999px;

  font-family:"Titillium Web",sans-serif;
  font-size:15px;
  font-weight:600;

  cursor:pointer;
  text-decoration:none;

  transition:all .25s ease;
}

.chapter-prev-button:hover,
.chapter-next-button:hover{
  background:#000000;
  color:#ffffff;
  transform:translateY(-2px);
}

.chapter-prev-button{
  margin-right:auto;
}

.chapter-next-button{
  margin-left:auto;
}

/* Last chapter special layout */

.chapter-navigation.final-chapter{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:20px;
  align-items:center;
}

.chapter-navigation.final-chapter .chapter-prev-button{
  justify-self:start;
  margin:0;
}

.chapter-navigation.final-chapter .knowledge-button{
  justify-self:center;
}

.chapter-navigation.final-chapter .chapter-next-button{
  justify-self:end;
  margin:0;
}

/* Mobile */

@media(max-width:768px){

  .chapter-navigation,
  .chapter-navigation.final-chapter{
    display:flex;
    flex-direction:column;
    align-items:stretch;
  }

  .chapter-prev-button,
  .chapter-next-button,
  .knowledge-button{
    width:100%;
    max-width:none;
    margin:0;
  }
}

@media(max-width:900px){
  .knowledge-grid{
    grid-template-columns:1fr;
  }

  .knowledge-subnav-inner{
    flex-wrap:wrap;
    padding:0 12px;
  }

  .knowledge-subnav-link{
    padding:12px 14px;
    font-size:14px;
  }
}

/* Compact navigation for phones and tablets */
.mobile-menu-toggle,
.knowledge-menu-toggle{
  display:none;
}

@media(max-width:900px){
  .site-header{
    position:sticky;
    top:0;
    z-index:1000;
  }

  .header-inner{
    display:block;
    padding:10px 16px;
  }

  .logo-group{
    display:grid;
    grid-template-columns:1fr auto;
    width:100%;
    gap:0 12px;
  }

  .site-logo{ height:42px; }

  .mobile-menu-toggle{
    display:flex;
    width:44px;
    height:44px;
    padding:10px;
    align-self:center;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    border:1px solid #444;
    border-radius:8px;
    background:#171717;
    cursor:pointer;
  }

  .mobile-menu-toggle span{
    display:block;
    width:100%;
    height:2px;
    border-radius:2px;
    background:#fff;
    transition:transform .2s ease, opacity .2s ease;
  }

  .site-header.menu-open .mobile-menu-toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .site-header.menu-open .mobile-menu-toggle span:nth-child(2){ opacity:0; }
  .site-header.menu-open .mobile-menu-toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .site-navigation,
  .header-right{ display:none; }

  .site-header.menu-open .site-navigation{
    display:flex;
    grid-column:1 / -1;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding-top:10px;
  }

  .site-header.menu-open .header-right{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin-top:10px;
    padding-top:12px;
    border-top:1px solid #333;
  }

  .site-title,
  .nav-link{
    padding:11px 4px;
    font-size:16px;
  }

  .language-select{
    min-width:0;
    max-width:180px;
  }

  .knowledge-subnav{ top:63px; }

  .knowledge-menu-toggle{
    display:flex;
    width:100%;
    min-height:48px;
    padding:10px 18px;
    align-items:center;
    justify-content:space-between;
    border:0;
    background:#8e8e8e;
    color:#fff;
    font:600 15px "Titillium Web",sans-serif;
    text-align:left;
    cursor:pointer;
  }

  .knowledge-menu-chevron{
    width:10px;
    height:10px;
    border-right:2px solid currentColor;
    border-bottom:2px solid currentColor;
    transform:rotate(45deg) translateY(-3px);
    transition:transform .2s ease;
  }

  .knowledge-subnav.menu-open .knowledge-menu-chevron{
    transform:rotate(225deg) translate(-2px,-2px);
  }

  .knowledge-subnav-inner{
    display:none;
    padding:4px 12px 10px;
    flex-direction:column;
    align-items:stretch;
    border-top:1px solid rgba(255,255,255,.2);
  }

  .knowledge-subnav.menu-open .knowledge-subnav-inner{ display:flex; }

  .knowledge-subnav-link{
    width:100%;
    padding:11px 14px;
    font-size:14px;
    text-align:left;
  }

  .knowledge-subnav-link.active::after{
    top:8px;
    bottom:8px;
    left:0;
    right:auto;
    width:3px;
    height:auto;
  }
}