/*
  Enterprise Agentic Light tokens and primitives.
  Portable design-language base derived from the Kore.ai clone.
  Do not copy Kore.ai assets, logo, or product names into other projects.
*/

:root {
  --ea-bg: rgb(255 255 255);
  --ea-ink: rgb(24 24 24);
  --ea-ink-soft: rgb(31 31 31);
  --ea-muted: rgb(101 113 124);
  --ea-sky: rgb(240 246 249);
  --ea-border: rgb(217 224 227);
  --ea-blue: rgb(16 119 215);
  --ea-green: rgb(92 200 58);

  --ea-font-sans: "MiSans", "Noto Sans SC", "Source Han Sans SC",
    "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
  --ea-font-latin: "Inter", Arial, ui-sans-serif, system-ui, sans-serif;
  --ea-font-mono: "Source Code Pro", "SFMono-Regular", Consolas, ui-monospace,
    monospace;
  --ea-heading-letter-spacing: 0;
  --ea-meta-letter-spacing: 0;
  --ea-control-text-transform: none;
  --ea-h1-line-height: 1.16;
  --ea-h2-line-height: 1.24;
  --ea-body-line-height: 1.64;

  --ea-rail: 1132px;
  --ea-rail-pad: 48px;
  --ea-rail-pad-mobile: 32px;

  --ea-radius-card: 8px;
  --ea-radius-pill: 999px;

  --ea-duration-fast: 180ms;
  --ea-duration-base: 220ms;
  --ea-duration-image: 320ms;
  --ea-ease: ease;
}

.ea-page[data-script="latin"] {
  --ea-font-sans: var(--ea-font-latin);
  --ea-heading-letter-spacing: -0.02em;
  --ea-meta-letter-spacing: 0;
  --ea-control-text-transform: uppercase;
  --ea-h1-line-height: 1.1;
  --ea-h2-line-height: 1.2;
  --ea-body-line-height: 1.55;
}

.ea-page {
  background: var(--ea-bg);
  color: var(--ea-ink);
  font-family: var(--ea-font-sans);
  min-height: 100vh;
  overflow-x: hidden;
}

.ea-rail {
  margin-inline: auto;
  max-width: var(--ea-rail);
  width: calc(100% - var(--ea-rail-pad));
}

.ea-section {
  padding: 92px 0;
}

.ea-section-sky {
  background: var(--ea-sky);
}

.ea-h1 {
  color: var(--ea-ink);
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 500;
  letter-spacing: var(--ea-heading-letter-spacing);
  line-height: var(--ea-h1-line-height);
  margin: 0;
  text-wrap: balance;
}

.ea-h2 {
  color: var(--ea-ink);
  font-size: clamp(30px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: var(--ea-heading-letter-spacing);
  line-height: var(--ea-h2-line-height);
  margin: 0;
  text-wrap: balance;
}

.ea-body {
  color: var(--ea-muted);
  font-size: 15px;
  line-height: var(--ea-body-line-height);
  margin: 0;
  text-wrap: pretty;
}

.ea-meta {
  color: color-mix(in srgb, var(--ea-ink) 70%, transparent);
  display: block;
  font-family: var(--ea-font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--ea-meta-letter-spacing);
  line-height: 1.3;
  text-transform: var(--ea-control-text-transform);
}

.ea-meta-code {
  font-family: var(--ea-font-mono);
}

.ea-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(217, 224, 227, 0.7);
  border-radius: var(--ea-radius-pill);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 26px;
  height: 48px;
  left: 50%;
  max-width: var(--ea-rail);
  padding: 0 8px 0 18px;
  position: fixed;
  top: 14px;
  transform: translateX(-50%);
  transition: background var(--ea-duration-base) var(--ea-ease),
    box-shadow var(--ea-duration-base) var(--ea-ease),
    height var(--ea-duration-base) var(--ea-ease),
    border-color var(--ea-duration-base) var(--ea-ease);
  width: calc(100% - var(--ea-rail-pad));
  z-index: 50;
}

.ea-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(217, 224, 227, 0.95);
  box-shadow: 0 8px 18px rgba(24, 24, 24, 0.08);
  height: 44px;
}

.ea-btn {
  align-items: center;
  background: white;
  border: 1px solid var(--ea-border);
  border-radius: var(--ea-radius-pill);
  color: var(--ea-ink);
  display: inline-flex;
  font-size: 13px;
  font-weight: 600;
  gap: 9px;
  justify-content: center;
  line-height: 1;
  min-height: 34px;
  overflow: hidden;
  padding: 0 13px;
  position: relative;
  text-decoration: none;
  text-transform: var(--ea-control-text-transform);
  transition: background var(--ea-duration-fast) var(--ea-ease),
    color var(--ea-duration-fast) var(--ea-ease),
    transform var(--ea-duration-fast) var(--ea-ease),
    border-color var(--ea-duration-fast) var(--ea-ease);
  white-space: nowrap;
}

.ea-btn::before {
  background: rgba(24, 24, 24, 0.08);
  border-radius: inherit;
  content: "";
  inset: 0;
  opacity: 0;
  position: absolute;
  transform: translateX(-36%);
  transition: opacity var(--ea-duration-fast) var(--ea-ease),
    transform var(--ea-duration-base) var(--ea-ease);
}

.ea-btn > span,
.ea-btn > svg {
  position: relative;
  z-index: 1;
}

.ea-btn > svg {
  transition: transform var(--ea-duration-fast) var(--ea-ease);
}

.ea-btn:hover {
  border-color: var(--ea-ink);
  transform: translateY(-1px);
}

.ea-btn:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.ea-btn:hover > svg {
  transform: translate(2px, -1px) rotate(-8deg);
}

.ea-btn:active {
  transform: translateY(1px) scale(0.98);
}

.ea-btn-dark {
  background: var(--ea-ink);
  border-color: var(--ea-ink);
  color: white;
}

.ea-btn-dark:hover {
  background: var(--ea-ink-soft);
}

.ea-btn-dark::before {
  background: rgba(255, 255, 255, 0.13);
}

.ea-card {
  background: white;
  border: 1px solid rgba(217, 224, 227, 0.72);
  border-radius: var(--ea-radius-card);
  padding: 28px;
  transition: border-color var(--ea-duration-fast) var(--ea-ease),
    transform var(--ea-duration-fast) var(--ea-ease);
}

.ea-card:hover {
  border-color: rgba(24, 24, 24, 0.2);
  transform: translateY(-3px);
}

.ea-image-card {
  background: var(--ea-ink);
  border-radius: var(--ea-radius-card);
  color: white;
  overflow: hidden;
  position: relative;
  scroll-snap-align: start;
}

.ea-image-card img {
  height: 100%;
  object-fit: cover;
  transition: transform var(--ea-duration-image) var(--ea-ease);
  width: 100%;
}

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

.ea-rail-scroll {
  display: grid;
  gap: 16px;
  grid-auto-columns: minmax(325px, 368px);
  grid-auto-flow: column;
  overflow-x: auto;
  padding-bottom: 18px;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.ea-round-control {
  align-items: center;
  background: white;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--ea-ink);
  display: inline-flex;
  font-size: 22px;
  height: 40px;
  justify-content: center;
  line-height: 1;
  transition: border-color var(--ea-duration-fast) var(--ea-ease),
    transform var(--ea-duration-fast) var(--ea-ease),
    background var(--ea-duration-fast) var(--ea-ease);
  width: 40px;
}

.ea-round-control:hover {
  border-color: var(--ea-border);
  transform: translateY(-1px);
}

.ea-round-control:active {
  transform: scale(0.96);
}

.ea-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ea-tab {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--ea-border);
  border-radius: var(--ea-radius-pill);
  color: var(--ea-muted);
  cursor: pointer;
  font-family: var(--ea-font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--ea-meta-letter-spacing);
  padding: 8px 12px;
  text-transform: var(--ea-control-text-transform);
  transition: background var(--ea-duration-fast) var(--ea-ease),
    color var(--ea-duration-fast) var(--ea-ease),
    border-color var(--ea-duration-fast) var(--ea-ease),
    transform var(--ea-duration-fast) var(--ea-ease);
}

.ea-tab:hover {
  border-color: var(--ea-ink);
  color: var(--ea-ink);
  transform: translateY(-1px);
}

.ea-tab[aria-pressed="true"] {
  background: var(--ea-ink);
  border-color: var(--ea-ink);
  color: white;
}

.ea-input {
  border: 1px solid var(--ea-border);
  border-radius: var(--ea-radius-pill);
  height: 38px;
  padding: 0 14px;
  transition: border-color var(--ea-duration-fast) var(--ea-ease),
    box-shadow var(--ea-duration-fast) var(--ea-ease);
  width: 100%;
}

.ea-input:focus {
  border-color: var(--ea-ink);
  box-shadow: 0 0 0 3px rgba(16, 119, 215, 0.12);
}

.ea-btn:focus-visible,
.ea-round-control:focus-visible,
.ea-tab:focus-visible,
.ea-input:focus-visible {
  outline: 2px solid var(--ea-blue);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .ea-rail {
    width: calc(100% - var(--ea-rail-pad-mobile));
  }

  .ea-section {
    padding: 68px 0;
  }

  .ea-header {
    width: calc(100% - 24px);
  }

  .ea-rail-scroll {
    grid-auto-columns: minmax(286px, 85vw);
  }
}

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