:root {
  --primary: #5863FF;
  --accent: #C1FF4D;
  --cyan: #36D7CF;
  --bg: #FDFEFF;
  --ink: #12164A;
  --text: #272D4F;
  --muted: rgba(39, 45, 79, 0.72);
  --surface: rgba(255, 255, 255, 0.9);
  --line: rgba(88, 99, 255, 0.16);
  --shadow: 0 24px 70px rgba(22, 28, 95, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 0;
  margin: 0;
  background: var(--bg);
}

body {
  overflow-x: hidden;
  color: var(--text);
  font-family: "Montserrat", Arial, "Helvetica Neue", Helvetica, sans-serif;
}

button {
  font: inherit;
}

.implementation-widget {
  width: 100%;
  padding: clamp(16px, 3vw, 36px);
}

.implementation-shell {
  overflow: hidden;
  width: min(100%, 1760px);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px);
  border-radius: clamp(28px, 4vw, 56px);
  background:
    radial-gradient(circle at 94% 8%, rgba(193, 255, 77, 0.34), transparent 22%),
    radial-gradient(circle at 8% 92%, rgba(54, 215, 207, 0.26), transparent 30%),
    linear-gradient(135deg, #eef3ff 0%, #ffffff 48%, #edfdfa 100%);
  box-shadow: var(--shadow);
}

.implementation-head {
  max-width: 960px;
  margin: 0 0 clamp(24px, 4vw, 48px);
}

.implementation-kicker {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.implementation-head h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

.implementation-subtitle {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.55;
}

.implementation-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.58fr) minmax(0, 1.42fr);
  align-items: start;
  gap: clamp(22px, 3vw, 44px);
}

.implementation-tabs {
  display: grid;
  gap: 8px;
}

.implementation-tab {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  min-height: 58px;
  padding: 0 18px 0 0;
  border: 0;
  border-radius: 10px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.implementation-tab:hover {
  background: rgba(88, 99, 255, 0.08);
}

.implementation-tab:focus-visible {
  outline: 3px solid rgba(88, 99, 255, 0.42);
  outline-offset: 3px;
}

.implementation-tab[aria-selected="true"] {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
}

.implementation-tab__number {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 900;
}

.implementation-tab__label {
  min-width: 0;
  font-size: clamp(16px, 1.45vw, 20px);
  font-weight: 800;
  line-height: 1.28;
}

.implementation-card {
  display: grid;
  grid-template-columns: minmax(340px, 1fr) minmax(260px, 38%);
  gap: clamp(24px, 3vw, 36px);
  min-height: 560px;
  padding: clamp(28px, 3.2vw, 44px);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(22, 28, 95, 0.12);
}

.implementation-card h2 {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.16;
  letter-spacing: 0;
}

.implementation-card p {
  margin: 0 0 18px;
  color: var(--text);
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.58;
}

.implementation-list {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.implementation-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.45;
}

.implementation-list li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(193, 255, 77, 0.22);
}

.implementation-media {
  align-self: center;
  width: 100%;
  min-width: 0;
  margin: 0;
}

.implementation-media img,
.implementation-media__fallback {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(88, 99, 255, 0.14), rgba(54, 215, 207, 0.26));
  box-shadow: 0 16px 40px rgba(22, 28, 95, 0.14);
}

.implementation-media__fallback {
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 32px;
  font-weight: 900;
}

.implementation-empty {
  margin: 0;
}

@media (max-width: 1120px) {
  .implementation-layout,
  .implementation-card {
    grid-template-columns: 1fr;
  }

  .implementation-card {
    min-height: 0;
  }

  .implementation-media {
    max-width: 680px;
  }
}

@media (max-width: 760px) {
  .implementation-widget {
    padding: 10px;
  }

  .implementation-shell {
    padding: 24px 14px;
    border-radius: 24px;
  }

  .implementation-tabs {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding: 4px 2px 12px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .implementation-tabs::-webkit-scrollbar {
    display: none;
  }

  .implementation-tab {
    grid-template-columns: 36px minmax(160px, 220px);
    flex: 0 0 auto;
    min-height: 52px;
    padding-right: 14px;
    scroll-snap-align: start;
  }

  .implementation-tab__number {
    min-width: 36px;
    min-height: 36px;
  }

  .implementation-card {
    gap: 22px;
    padding: 22px 16px;
    border-radius: 22px;
  }
}

@media (max-width: 430px) {
  .implementation-widget {
    padding: 0;
  }

  .implementation-shell {
    border-radius: 0;
  }

  .implementation-head h1 {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}