:root {
  --platform-ink: #082f3a;
  --platform-muted: #58717a;
  --platform-line: rgba(8, 104, 113, 0.16);
  --platform-soft: #e5f7f6;
  --platform-teal: #0b737c;
  --platform-blue: #0b987f;
  --platform-card: rgba(255, 255, 255, 0.94);
  --platform-shadow: 0 18px 50px rgba(7, 76, 84, 0.13);
}

html,
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(145deg, #f2fbfb 0%, #e8f8f7 48%, #ffffff 100%);
  color: var(--platform-ink);
  scroll-behavior: smooth;
}

#header {
  position: fixed;
  top: 26px;
  left: 0;
  right: 0;
  height: 120px;
  z-index: 300000;
}

#headerSearchOverlay {
  z-index: 999999;
}

.main-container {
  display: flex;
  min-height: 100vh;
  margin-top: 120px;
}

aside#sidebar {
  position: fixed;
  top: 140px;
  left: 18px;
  width: 300px;
  max-height: calc(100vh - 168px);
  padding: 18px;
  box-sizing: border-box;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--platform-line);
  border-radius: 8px;
  box-shadow: var(--platform-shadow);
  backdrop-filter: blur(18px);
  transition: transform 0.35s ease, opacity 0.25s ease;
  z-index: 100000;
}

aside#sidebar.hidden {
  transform: translateX(calc(-100% - 28px));
  opacity: 0;
  pointer-events: none;
}

.sidebar-brand {
  padding: 14px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(11, 115, 124, 0.11), rgba(11, 152, 127, 0.08));
  border: 1px solid var(--platform-line);
}

.sidebar-kicker {
  margin: 0 0 8px;
  color: var(--platform-teal);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

aside#sidebar h2 {
  margin: 0 0 8px;
  color: var(--platform-ink);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.25;
}

.sidebar-copy {
  margin: 0;
  color: var(--platform-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.sidebar-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 14px 0 0;
}

.sidebar-meta span {
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(16, 104, 116, 0.1);
  color: var(--platform-ink);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}

aside#sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: tutorial-step;
}

aside#sidebar li {
  margin-bottom: 8px;
  counter-increment: tutorial-step;
}

.menu-btn {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 46px;
  padding: 10px 12px 10px 46px;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--platform-muted);
  cursor: pointer;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.25;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
}

.menu-btn::before {
  content: counter(tutorial-step, decimal-leading-zero);
  position: absolute;
  left: 10px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(16, 104, 116, 0.08);
  color: var(--platform-teal);
  font-size: 0.72rem;
  font-weight: 800;
}

.menu-btn:hover,
.menu-btn.active {
  background: #fff;
  border-color: rgba(16, 104, 116, 0.14);
  color: var(--platform-ink);
  transform: translateX(2px);
  box-shadow: 0 10px 24px rgba(16, 104, 116, 0.08);
}

.menu-btn.active::before {
  background: var(--platform-teal);
  color: #fff;
}

#toggle-wrap.sidebar-toggle {
  position: fixed;
  top: 156px;
  left: 300px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--platform-blue), var(--platform-teal));
  color: #fff;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(7, 115, 113, 0.24);
  cursor: pointer;
  user-select: none;
  z-index: 100001;
  font-weight: 800;
  transition: left 0.35s ease, transform 0.25s ease, background-color 0.2s;
}

body.medtl-mobile-menu-open #toggle-wrap.sidebar-toggle {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

aside#sidebar.hidden + #toggle-wrap.sidebar-toggle {
  left: 18px;
  transform: rotate(180deg);
  background-color: var(--platform-teal);
}

main.platform-main {
  flex: 1;
  min-width: 0;
  margin-left: 336px;
  padding: 28px clamp(18px, 4vw, 56px) 0;
  transition: margin-left 0.35s ease;
}

aside#sidebar.hidden ~ main.platform-main {
  margin-left: 0;
}

.platform-hero {
  width: min(100%, 1080px);
  margin: 0 auto 28px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--platform-line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(229, 247, 246, 0.88));
  box-shadow: var(--platform-shadow);
}

.platform-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 7px 10px;
  border: 1px solid rgba(16, 104, 116, 0.16);
  border-radius: 8px;
  background: rgba(16, 104, 116, 0.08);
  color: var(--platform-teal);
  font-size: 0.78rem;
  font-weight: 800;
}

.platform-hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--platform-ink);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  font-weight: 750;
  letter-spacing: 0;
}

.platform-hero__heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.platform-hero__heading-row .user-guide-download {
  flex: 0 0 auto;
  max-width: 260px;
}

.platform-hero p {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--platform-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.platform-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.platform-stat {
  padding: 16px;
  border: 1px solid rgba(16, 104, 116, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.platform-stat strong {
  display: block;
  color: var(--platform-ink);
  font-size: 1.35rem;
  line-height: 1;
}

.platform-stat span {
  display: block;
  margin-top: 8px;
  color: var(--platform-muted);
  font-size: 0.83rem;
  font-weight: 650;
}

.overview-copy {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.overview-selector-label {
  margin: 20px 0 8px;
  color: var(--platform-ink);
  font-size: 0.82rem;
  font-weight: 800;
}

.overview-language-select {
  width: min(100%, 280px);
  min-height: 46px;
  padding: 0 40px 0 14px;
  border: 1px solid rgba(16, 104, 116, 0.18);
  border-radius: 8px;
  background: #fff;
  color: var(--platform-ink);
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(16, 104, 116, 0.08);
  outline: none;
}

.overview-language-select:focus {
  border-color: var(--platform-teal);
  box-shadow: 0 0 0 4px rgba(16, 104, 116, 0.11);
}

section {
  position: relative;
  width: min(100%, 1080px);
  margin: 0 auto 22px;
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: center;
  text-align: left;
  background: var(--platform-card);
  border: 1px solid var(--platform-line);
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(16, 104, 116, 0.1);
  scroll-margin-top: 170px;
}

section::before {
  content: "Module";
  position: absolute;
  top: 18px;
  left: 18px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(16, 104, 116, 0.08);
  color: var(--platform-teal);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.overview-section::before {
  content: "Overview";
}

section h3 {
  margin: 30px 0 10px;
  color: var(--platform-ink);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.15;
  font-weight: 750;
  letter-spacing: 0;
}

section p {
  max-width: 44rem;
  margin: 0;
  color: var(--platform-muted);
  font-size: 1rem;
  line-height: 1.65;
}

section .video-container {
  grid-column: 2;
  grid-row: 1 / span 3;
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  border-radius: 8px !important;
  border: 1px solid rgba(16, 104, 116, 0.12);
  box-shadow: 0 18px 40px rgba(16, 104, 116, 0.12);
  background: #dff5f7;
}

section .video-container img {
  transition: transform 0.35s ease, filter 0.35s ease;
}

section .video-container:hover img {
  transform: scale(1.03);
  filter: saturate(1.05);
}

section .play-button {
  width: 70px !important;
  height: 70px !important;
  background: rgba(16, 104, 116, 0.88) !important;
  box-shadow: 0 14px 34px rgba(16, 104, 116, 0.24);
  transition: transform 0.25s ease, background-color 0.25s ease;
}

section .play-button:hover {
  transform: translate(-50%, -50%) scale(1.06) !important;
  background: rgba(59, 89, 171, 0.92) !important;
}

section iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 16/9;
  border-radius: 8px;
  border: none;
}

main.platform-main #footer {
  margin-top: 48px;
}

[dir="rtl"] aside#sidebar {
  right: 18px;
  left: auto;
}

[dir="rtl"] aside#sidebar.hidden {
  transform: translateX(calc(100% + 28px));
}

[dir="rtl"] #toggle-wrap.sidebar-toggle {
  right: 300px;
  left: auto;
}

[dir="rtl"] aside#sidebar.hidden + #toggle-wrap.sidebar-toggle {
  right: 18px;
  left: auto;
}

[dir="rtl"] main.platform-main {
  margin-right: 336px;
  margin-left: 0;
}

[dir="rtl"] aside#sidebar.hidden ~ main.platform-main {
  margin-right: 0;
}

[dir="rtl"] .menu-btn {
  padding-right: 46px;
  padding-left: 12px;
  text-align: right;
}

[dir="rtl"] .menu-btn::before {
  right: 10px;
  left: auto;
}

[dir="rtl"] section {
  text-align: right;
}

[dir="rtl"] section::before {
  right: 18px;
  left: auto;
}

@media (max-width: 1120px) {
  aside#sidebar {
    width: 280px;
  }

  #toggle-wrap.sidebar-toggle {
    left: 280px;
  }

  [dir="rtl"] #toggle-wrap.sidebar-toggle {
    right: 280px;
    left: auto;
  }

  main.platform-main {
    margin-left: 312px;
  }

  [dir="rtl"] main.platform-main {
    margin-right: 312px;
    margin-left: 0;
  }

  section {
    grid-template-columns: 1fr;
  }

  section .video-container {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 760px) {
  .main-container {
    margin-top: 104px;
  }

  aside#sidebar {
    top: 152px;
    left: 10px;
    width: min(86vw, 320px);
    max-height: calc(100vh - 170px);
    transform: translateX(calc(-100% - 20px));
    opacity: 0;
    pointer-events: none;
  }

  [dir="rtl"] aside#sidebar {
    right: 10px;
    left: auto;
    transform: translateX(calc(100% + 20px));
  }

  aside#sidebar:not(.hidden) {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }

  aside#sidebar.hidden {
    transform: translateX(calc(-100% - 20px));
  }

  [dir="rtl"] aside#sidebar.hidden {
    transform: translateX(calc(100% + 20px));
  }

  #toggle-wrap.sidebar-toggle,
  aside#sidebar.hidden + #toggle-wrap.sidebar-toggle {
    top: 152px;
    left: 12px;
    transform: none;
    width: 44px;
    height: 44px;
  }

  [dir="rtl"] #toggle-wrap.sidebar-toggle,
  [dir="rtl"] aside#sidebar.hidden + #toggle-wrap.sidebar-toggle {
    right: 12px;
    left: auto;
  }

  main.platform-main,
  aside#sidebar.hidden ~ main.platform-main,
  [dir="rtl"] main.platform-main,
  [dir="rtl"] aside#sidebar.hidden ~ main.platform-main {
    margin-right: 0;
    margin-left: 0;
    padding: 24px 14px 0;
  }

  .platform-hero {
    padding: 22px 18px;
  }

  .platform-hero__heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-hero__heading-row .user-guide-download {
    width: 100%;
    max-width: none;
  }

  .platform-stats {
    grid-template-columns: 1fr;
  }

  section {
    padding: 18px;
    scroll-margin-top: 130px;
  }
}

@media (max-width: 480px) {
  .platform-hero h1 {
    font-size: 2rem;
  }

  section h3 {
    font-size: 1.28rem;
  }

  section .play-button {
    width: 58px !important;
    height: 58px !important;
  }

  section .play-button svg {
    width: 32px;
    height: 32px;
  }
}