/* ============================================
   云开APPKAIYUN — Site Kit
   /assets/site.css
   ============================================ */

/* ---------- Reset & Tokens ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --kai-bg: #0A1F44;
  --kai-bg-deep: #050E22;
  --kai-teal: #0F4C5C;
  --kai-wine: #720026;
  --kai-indigo: #4B0082;
  --kai-gold: #FFD700;
  --kai-orange: #FF6B35;
  --kai-text: #F5F7FA;
  --kai-muted: #A0B0C0;
  --kai-border: #2E4A7A;
  --kai-font-head: "Helvetica Neue", "PingFang SC", sans-serif;
  --kai-font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --kai-font-mono: "Roboto Mono", "SF Mono", ui-monospace, Consolas, "Liberation Mono", monospace;
  --kai-radius: 4px;
  --kai-gutter: clamp(1.1rem, 4vw, 2.5rem);
  --kai-header-h: 76px;
  --kai-ease: cubic-bezier(.4, 0, .2, 1);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  padding-top: var(--kai-header-h);
  background-color: var(--kai-bg);
  background-image:
    radial-gradient(ellipse 80% 40% at 86% -5%, rgba(255, 215, 0, .06), transparent),
    radial-gradient(ellipse 70% 35% at 8% 45%, rgba(75, 0, 130, .10), transparent),
    radial-gradient(ellipse 55% 30% at 55% 82%, rgba(15, 76, 92, .16), transparent);
  background-repeat: no-repeat;
  color: var(--kai-text);
  font-family: var(--kai-font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--kai-gold);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: rgba(255, 215, 0, .85);
  color: #08122b;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--kai-bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--kai-border);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 215, 0, .5);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Skip link & Reading progress ---------- */
.kai-skip {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 300;
  padding: .65rem 1.3rem;
  background: var(--kai-gold);
  color: #08122b;
  font-family: var(--kai-font-head);
  font-weight: 700;
  font-size: .88rem;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  transition: top .3s var(--kai-ease);
}

.kai-skip:focus {
  top: 0;
}

.kai-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 200;
  pointer-events: none;
}

.kai-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--kai-gold) 0 62%, var(--kai-orange) 62% 78%, transparent 78%);
  box-shadow: 0 0 12px rgba(255, 215, 0, .55);
}

/* ---------- Container & Grid ---------- */
.kai-container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--kai-gutter);
}

.kai-grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.kai-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.kai-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.kai-grid--12 {
  grid-template-columns: repeat(12, 1fr);
}

@media (max-width: 1024px) {
  .kai-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .kai-grid--2,
  .kai-grid--3 {
    grid-template-columns: 1fr;
  }
}

/* ---------- Header ---------- */
.kai-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--kai-header-h);
  z-index: 100;
  background: rgba(7, 17, 40, .82);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(46, 74, 122, .7);
  transition: background .35s ease, box-shadow .35s ease;
}

.kai-header[data-scrolled="true"] {
  background: rgba(4, 10, 24, .94);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .42);
}

.kai-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg,
    var(--kai-gold) 0 64px,
    rgba(255, 215, 0, .35) 64px 70px,
    transparent 70px 84px,
    var(--kai-orange) 84px 88px,
    transparent 88px);
  pointer-events: none;
}

.kai-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
}

/* ---------- Brand ---------- */
.kai-brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  line-height: 1;
}

.kai-brand__mark {
  position: relative;
  flex: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 215, 0, .8);
  border-radius: 3px;
  background:
    linear-gradient(135deg, transparent 0 34%, rgba(255, 215, 0, .6) 34% 39%, transparent 39%),
    linear-gradient(45deg, transparent 0 58%, rgba(255, 107, 53, .75) 58% 63%, transparent 63%),
    linear-gradient(135deg, #0a2148, #08142e);
  transform: skewX(-6deg);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .3);
  transition: box-shadow .3s ease;
}

.kai-brand__mark::before {
  content: "";
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kai-orange);
  box-shadow: 0 0 10px rgba(255, 107, 53, .9);
}

.kai-brand:hover .kai-brand__mark {
  box-shadow: 0 0 0 1px var(--kai-gold), 0 0 20px rgba(255, 215, 0, .3);
}

.kai-brand__text {
  display: flex;
  align-items: baseline;
  gap: .35rem;
  font-family: var(--kai-font-head);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
  white-space: nowrap;
}

.kai-brand__text em {
  font-style: normal;
  font-weight: 700;
  color: var(--kai-gold);
  letter-spacing: .07em;
}

/* ---------- Header right ---------- */
.kai-header__right {
  display: flex;
  align-items: center;
  gap: .8rem;
}

.kai-live {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .3rem .65rem;
  border: 1px solid rgba(255, 107, 53, .4);
  border-radius: 20px;
  background: rgba(255, 107, 53, .07);
  font-family: var(--kai-font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--kai-orange);
  white-space: nowrap;
}

.kai-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kai-orange);
  animation: kaiPulse 1.8s ease-in-out infinite;
}

@keyframes kaiPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, .55);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(255, 107, 53, 0);
  }
}

/* ---------- Nav (mobile-first drawer) ---------- */
.kai-nav {
  position: fixed;
  top: var(--kai-header-h);
  right: 0;
  bottom: 0;
  width: min(340px, 88vw);
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding: 2rem 1.5rem;
  background: rgba(5, 12, 28, .97);
  border-left: 1px solid var(--kai-border);
  box-shadow: -24px 0 60px rgba(0, 0, 0, .45);
  transform: translateX(105%);
  visibility: hidden;
  transition: transform .35s var(--kai-ease), visibility .35s;
  overflow-y: auto;
  z-index: 90;
}

.kai-nav[data-open] {
  transform: translateX(0);
  visibility: visible;
}

.kai-nav__list {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.kai-nav__item {
  border-bottom: 1px solid rgba(46, 74, 122, .45);
}

.kai-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .9rem .35rem;
  font-family: var(--kai-font-head);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--kai-muted);
  transition: color .25s ease, background .25s ease;
}

.kai-nav__link:hover,
.kai-nav__link[aria-current="page"] {
  color: #fff;
}

.kai-nav__idx {
  font-family: var(--kai-font-mono);
  font-size: .7rem;
  font-style: normal;
  color: var(--kai-gold);
  opacity: .65;
}

.kai-nav__actions {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.kai-nav__actions .kai-btn {
  width: 100%;
  justify-content: center;
  padding-block: .85rem;
}

/* ---------- Desktop Nav ---------- */
@media (min-width: 921px) {
  .kai-nav {
    position: static;
    width: auto;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: 1.1rem;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    transform: none;
    visibility: visible;
    overflow: visible;
    z-index: auto;
  }

  .kai-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 2px;
  }

  .kai-nav__item {
    border-bottom: 0;
  }

  .kai-nav__link {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    gap: .3rem;
    padding: .5rem .62rem;
    font-size: .9rem;
    border-radius: var(--kai-radius);
  }

  .kai-nav__link:hover {
    background: rgba(255, 215, 0, .06);
  }

  .kai-nav__link[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: .62rem;
    right: .62rem;
    bottom: .18rem;
    height: 2px;
    background: linear-gradient(90deg, var(--kai-gold) 0 58%, var(--kai-orange) 58% 72%, transparent 72%);
  }

  .kai-nav__idx {
    width: 0;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    transition: width .3s var(--kai-ease), opacity .2s ease;
  }

  .kai-nav__link:hover .kai-nav__idx,
  .kai-nav__link[aria-current="page"] .kai-nav__idx {
    width: 1.55em;
    opacity: 1;
  }

  .kai-nav__actions {
    flex-direction: row;
    align-items: center;
    gap: .55rem;
  }

  .kai-nav__actions .kai-btn {
    width: auto;
    padding-block: .55rem;
  }

  .kai-nav-toggle {
    display: none;
  }
}

/* ---------- Search icon ---------- */
.kai-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  color: var(--kai-muted);
  background: rgba(255, 255, 255, .02);
  transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease;
}

.kai-search:hover {
  color: var(--kai-gold);
  border-color: rgba(255, 215, 0, .5);
  background: rgba(255, 215, 0, .06);
  transform: translateY(-1px);
}

/* ---------- Nav toggle ---------- */
.kai-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  background: rgba(255, 255, 255, .02);
  transition: border-color .25s ease, background .25s ease;
}

.kai-nav-toggle:hover {
  border-color: rgba(255, 215, 0, .5);
  background: rgba(255, 215, 0, .05);
}

.kai-nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  background: var(--kai-gold);
  transition: transform .3s var(--kai-ease), opacity .2s ease;
}

.kai-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.kai-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.kai-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.kai-btn {
  --btn-bg: transparent;
  --btn-fg: var(--kai-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .6rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--kai-radius);
  font-family: var(--kai-font-head);
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  cursor: pointer;
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition: transform .2s var(--kai-ease), background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
}

.kai-btn--gold {
  --btn-bg: linear-gradient(135deg, #FFE863, var(--kai-gold) 55%);
  --btn-fg: #08122b;
  box-shadow: 0 4px 16px rgba(255, 215, 0, .22);
}

.kai-btn--gold:hover {
  box-shadow: 0 8px 26px rgba(255, 215, 0, .38);
  transform: translateY(-2px);
}

.kai-btn--ghost {
  --btn-fg: var(--kai-gold);
  background: rgba(255, 215, 0, .06);
  border-color: rgba(255, 215, 0, .5);
}

.kai-btn--ghost:hover {
  background: rgba(255, 215, 0, .14);
  transform: translateY(-2px);
}

.kai-btn--block {
  width: 100%;
}

/* ---------- Breadcrumb ---------- */
.kai-breadcrumb {
  padding: .9rem 0;
  font-size: .82rem;
  color: var(--kai-muted);
}

.kai-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
}

.kai-breadcrumb__list li {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

.kai-breadcrumb__list li + li::before {
  content: "/";
  font-family: var(--kai-font-mono);
  color: var(--kai-border);
}

.kai-breadcrumb a {
  color: var(--kai-muted);
  transition: color .2s ease;
}

.kai-breadcrumb a:hover {
  color: var(--kai-gold);
}

.kai-breadcrumb [aria-current="page"] {
  color: var(--kai-gold);
}

/* ---------- Section scaffolding ---------- */
.kai-section {
  position: relative;
  padding-block: clamp(3.25rem, 7vw, 6rem);
}

.kai-section--band-deep {
  background: linear-gradient(180deg, #07122c, #050d20);
  border-top: 1px solid var(--kai-border);
  border-bottom: 1px solid var(--kai-border);
}

.kai-section--band-teal {
  background: var(--kai-teal);
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.kai-section--band-wine {
  background: var(--kai-wine);
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.kai-section--band-indigo {
  background: var(--kai-indigo);
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.kai-section__head {
  max-width: 740px;
  margin-bottom: 2.5rem;
}

.kai-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--kai-font-mono);
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--kai-gold);
  margin-bottom: .8rem;
}

.kai-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  flex: none;
  background: linear-gradient(90deg, var(--kai-gold), var(--kai-orange));
}

.kai-title {
  font-family: var(--kai-font-head);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: #fff;
}

.kai-title--gold {
  color: var(--kai-gold);
}

.kai-lead {
  margin-top: .8rem;
  max-width: 60em;
  color: var(--kai-muted);
  line-height: 1.85;
}

/* ---------- Dashboard cards ---------- */
.kai-card {
  position: relative;
  padding: 1.45rem 1.5rem 1.3rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  overflow: hidden;
  transition: transform .3s var(--kai-ease), border-color .3s ease, box-shadow .3s ease;
}

.kai-card::before,
.kai-card::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--kai-gold);
  opacity: .6;
  pointer-events: none;
  transition: opacity .3s ease;
}

.kai-card::before {
  top: 0;
  left: 0;
  border-top: 2px solid;
  border-left: 2px solid;
  border-top-left-radius: 3px;
}

.kai-card::after {
  right: 0;
  bottom: 0;
  border-right: 2px solid;
  border-bottom: 2px solid;
  border-bottom-right-radius: 3px;
}

.kai-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 215, 0, .4);
  box-shadow: 0 14px 36px rgba(0, 0, 0, .32);
}

.kai-card:hover::before,
.kai-card:hover::after {
  opacity: 1;
}

.kai-card__num {
  font-family: var(--kai-font-mono);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--kai-gold);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}

.kai-card__label {
  margin-top: .4rem;
  font-size: .88rem;
  color: var(--kai-muted);
  line-height: 1.5;
}

.kai-card__foot {
  margin-top: 1.1rem;
  padding-top: .8rem;
  border-top: 1px solid rgba(46, 74, 122, .5);
  font-family: var(--kai-font-mono);
  font-size: .74rem;
  color: var(--kai-muted);
}

/* ---------- Media containers ---------- */
.kai-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  background: linear-gradient(135deg, #0c2c42, #0f2340 55%, #171b36);
}

.kai-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 72% 22%, rgba(255, 215, 0, .26), transparent),
    radial-gradient(ellipse 60% 50% at 25% 82%, rgba(75, 0, 130, .45), transparent),
    linear-gradient(135deg, transparent 0 54%, rgba(255, 215, 0, .09) 54% 55%, transparent 55%);
}

.kai-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, transparent 0 9px, rgba(255, 255, 255, .028) 9px 10px);
}

.kai-media img,
.kai-media video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kai-media--ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.kai-media--ratio-1-1 {
  aspect-ratio: 1 / 1;
}

.kai-media--ratio-21-9 {
  aspect-ratio: 21 / 9;
}

/* ---------- Badges ---------- */
.kai-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .24rem .65rem;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  background: rgba(255, 255, 255, .05);
  font-family: var(--kai-font-mono);
  font-size: .7rem;
  letter-spacing: .09em;
  color: var(--kai-muted);
  white-space: nowrap;
}

.kai-badge--live {
  background: rgba(255, 107, 53, .13);
  border-color: rgba(255, 107, 53, .5);
  color: var(--kai-orange);
}

.kai-badge--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kai-orange);
  animation: kaiPulse 1.7s ease-in-out infinite;
}

.kai-badge--gold {
  background: rgba(255, 215, 0, .12);
  border-color: rgba(255, 215, 0, .45);
  color: var(--kai-gold);
}

.kai-badge--wine {
  background: rgba(114, 0, 38, .35);
  border-color: rgba(255, 107, 53, .3);
  color: #ffd0d9;
}

/* ---------- Footer ---------- */
.kai-footer {
  position: relative;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  background: linear-gradient(180deg, #071430, #050c22 55%, #040a18);
  border-top: 1px solid rgba(46, 74, 122, .85);
}

.kai-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    var(--kai-gold) 0 72px,
    rgba(255, 215, 0, .3) 72px 78px,
    transparent 78px 98px,
    var(--kai-orange) 98px 102px,
    transparent 102px);
  pointer-events: none;
}

.kai-footer__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.4fr;
  gap: clamp(1.8rem, 4vw, 3rem);
  padding-block: clamp(2.6rem, 5vw, 4rem) 2.8rem;
}

@media (max-width: 1024px) {
  .kai-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .kai-footer__grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
    padding-bottom: 2rem;
  }
}

.kai-footer__brand .kai-brand {
  margin-bottom: 1.15rem;
}

.kai-footer__desc {
  max-width: 32em;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--kai-muted);
}

.kai-footer__trust {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-top: 1.25rem;
  padding: .45rem .9rem;
  border: 1px dashed rgba(255, 215, 0, .35);
  border-radius: 3px;
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--kai-gold);
}

.kai-footer__trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kai-gold);
  animation: kaiPulse 1.8s ease-in-out infinite;
}

.kai-footer__title {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.3rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--kai-border);
  font-family: var(--kai-font-head);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--kai-gold);
  text-transform: uppercase;
}

.kai-footer__title::before {
  content: "";
  width: 18px;
  height: 2px;
  flex: none;
  background: var(--kai-orange);
}

.kai-footer__links li {
  border-bottom: 1px solid rgba(46, 74, 122, .35);
}

.kai-footer__links a {
  display: block;
  padding: .42rem .1rem;
  font-size: .9rem;
  color: var(--kai-muted);
  transition: color .2s ease, padding-left .2s ease;
}

.kai-footer__links a:hover {
  color: var(--kai-gold);
  padding-left: .55rem;
}

.kai-footer__contact {
  display: grid;
  gap: .2rem;
}

.kai-footer__contact li {
  padding: .52rem .1rem;
  border-bottom: 1px solid rgba(46, 74, 122, .35);
}

.kai-footer__contact b {
  display: block;
  margin-bottom: .1rem;
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--kai-muted);
  text-transform: uppercase;
}

.kai-footer__contact span {
  display: block;
  font-family: var(--kai-font-mono);
  font-size: .84rem;
  line-height: 1.45;
  color: var(--kai-text);
}

.kai-footer__bottom {
  padding-block: 1.1rem;
  background: rgba(3, 8, 18, .7);
  border-top: 1px solid var(--kai-border);
}

.kai-footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  font-size: .78rem;
  color: var(--kai-muted);
}

.kai-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.kai-footer__legal a {
  color: var(--kai-muted);
  transition: color .2s ease;
}

.kai-footer__legal a:hover {
  color: var(--kai-gold);
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .6s var(--kai-ease), transform .6s var(--kai-ease);
}

[data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- Mobile refinements ---------- */
@media (max-width: 640px) {
  :root {
    --kai-header-h: 64px;
  }

  .kai-brand__mark {
    width: 34px;
    height: 34px;
  }

  .kai-brand__text {
    font-size: .98rem;
  }

  .kai-live {
    display: none;
  }

  .kai-search {
    width: 34px;
    height: 34px;
  }

  .kai-nav-toggle {
    width: 38px;
    height: 38px;
  }
}