:root {
  --bg: #030711;
  --bg-soft: #050b14;
  --surface: #07111d;
  --surface-2: #0a1725;
  --surface-3: #102033;
  --text: #f5faff;
  --muted: #a8b8c8;
  --faint: #687d91;
  --accent-blue: #4dbeff;
  --accent-blue-strong: #168fd6;
  --accent-ice: #bdeaff;
  --accent-white: #f5faff;
  --accent-blue-soft: rgba(77, 190, 255, 0.14);
  --accent-ice-soft: rgba(189, 234, 255, 0.1);
  --line: rgba(157, 211, 247, 0.12);
  --line-card: rgba(157, 211, 247, 0.16);
  --line-strong: rgba(157, 211, 247, 0.26);
  --line-hover: rgba(189, 234, 255, 0.64);
  /* Legacy aliases keep in-flight feature work compatible with the new palette. */
  --magenta: var(--accent-blue);
  --magenta-soft: var(--accent-blue-soft);
  --lime: var(--accent-ice);
  --lime-soft: var(--accent-ice-soft);
  --container: 1240px;
  --header-height: 72px;
  --radius: 22px;
  --radius-small: 10px;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Segoe UI Variable", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: #03060c;
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(180deg, rgba(3, 7, 14, .5), rgba(3, 8, 16, .82)),
    radial-gradient(circle at 18% 24%, rgba(77, 168, 255, .22), transparent 30%),
    radial-gradient(circle at 86% 72%, rgba(200, 232, 255, .13), transparent 28%),
    url("assets/images/blue-starfield-bg-v1.webp") center / cover no-repeat;
  opacity: .62;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(176, 218, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 218, 255, .035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

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

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 14px;
  color: #050509;
  background: var(--lime);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(5, 5, 9, 0.82);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(1380px, calc(100% - 48px));
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  white-space: nowrap;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 46px);
  color: #c3c3cb;
  font-size: 14px;
}

.site-nav a {
  position: relative;
  transition: color 0.2s ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--magenta), var(--lime));
  transform: scaleX(0);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav a:hover {
  color: #fff;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  color: #cfcfd5;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 16px var(--lime);
  animation: pulse 2s ease-in-out infinite;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  color: white;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 16px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding: 150px 0 100px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(1500px, 100%);
  height: 100%;
  transform: translateX(-50%);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 42%, black 0, transparent 68%);
}

.hero-glow {
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(110px);
  opacity: 0.17;
}

.hero-glow-magenta {
  top: 22%;
  left: -320px;
  background: #3a97ff;
}

.hero-glow-lime {
  top: 36%;
  right: -390px;
  background: #d8efff;
  opacity: 0.09;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: 70px;
  text-align: center;
}

.eyebrow,
.section-index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: #bdbdc7;
  font: 11px/1.4 var(--mono);
  letter-spacing: 0.14em;
}

.hero .eyebrow,
.section-heading .eyebrow {
  justify-content: center;
}

.eyebrow > span {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--magenta), var(--lime));
}

.hero h1 {
  max-width: 1050px;
  margin: 0 auto;
  font-size: clamp(48px, 6.2vw, 86px);
  font-weight: 760;
  line-height: 1.06;
  letter-spacing: -0.055em;
}

.outline-word {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.78);
  text-shadow: 0 0 30px rgba(77, 190, 255, 0.18);
}

.hero-lead {
  max-width: 780px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions,
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  white-space: nowrap;
  font: 600 14px/1 var(--sans);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #070708;
  background: linear-gradient(100deg, var(--magenta), #bdeaff 45%, var(--lime));
  box-shadow: 0 14px 40px rgba(77, 190, 255, 0.18);
}

.button-ghost {
  color: #eeeef1;
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.07);
}

.ecosystem {
  padding: 116px 0 94px;
  border-top: 1px solid rgba(255, 255, 255, 0.045);
  background: linear-gradient(180deg, rgba(3, 7, 14, .4), rgba(4, 10, 19, .74));
}

.section-heading {
  max-width: 900px;
  margin: 0 auto 58px;
  text-align: center;
}

.section-heading.compact { margin-bottom: 48px; }
.section-heading h2,
.section-intro h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading.compact h2 { font-size: clamp(34px, 4.2vw, 52px); }
.section-heading > p:last-child,
.section-intro > p:last-child {
  max-width: 700px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.logo-marquee {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.logo-marquee::before,
.logo-marquee::after {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  width: 15vw;
  content: "";
  pointer-events: none;
}

.logo-marquee::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.logo-marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }

.logo-track {
  width: max-content;
  display: flex;
  animation: marquee 30s linear infinite;
}

.logo-marquee:hover .logo-track { animation-play-state: paused; }

.ecosystem-logo {
  min-width: 230px;
  min-height: 106px;
  padding: 0 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  color: rgba(220, 235, 246, .78);
  border-right: 1px solid var(--line);
  font-size: 17px;
  font-weight: 620;
  transition: color .25s ease, background-color .25s ease;
}

.ecosystem-logo img {
  width: 32px;
  height: 32px;
  opacity: .82;
  filter: grayscale(1) invert(1) brightness(1.16) drop-shadow(0 0 9px rgba(123, 211, 255, .08));
  transition: opacity .25s ease, filter .25s ease, transform .25s ease;
}

.ecosystem-logo:hover {
  color: rgba(245, 250, 255, .96);
  background: rgba(117, 201, 255, .025);
}

.ecosystem-logo:hover img {
  opacity: 1;
  filter: grayscale(1) invert(1) brightness(1.34) drop-shadow(0 0 12px rgba(123, 211, 255, .18));
  transform: translateY(-1px);
}

.ecosystem-logo--audio img {
  opacity: 1;
  filter: grayscale(1) invert(1) brightness(1.24) drop-shadow(0 0 10px rgba(77, 190, 255, .16));
}

.ecosystem-logo--audio > span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  color: #dce9f4;
}

.ecosystem-logo--audio small {
  width: max-content;
  padding: 3px 6px;
  color: #8bcff2;
  border: 1px solid rgba(112, 205, 255, .24);
  border-radius: 999px;
  background: rgba(77, 190, 255, .06);
  font: 7px/1 var(--mono);
  letter-spacing: .08em;
}

.model-spectrum-section {
  padding-top: 118px;
  background: linear-gradient(180deg, rgba(3, 7, 14, .66), rgba(6, 13, 23, .86) 50%, rgba(3, 7, 14, .7));
}

.model-spectrum-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr .75fr;
  gap: 18px;
}

.spectrum-card {
  position: relative;
  min-height: 320px;
  padding: 30px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(116, 188, 255, .3);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(15, 24, 38, .94), rgba(7, 11, 19, .96));
  box-shadow:
    0 26px 70px rgba(0, 0, 0, .32),
    inset 0 0 0 1px rgba(255, 255, 255, .025),
    inset 0 1px 0 rgba(255, 255, 255, .08);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.spectrum-card::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 100% 0, rgba(99, 206, 255, .16), transparent 36%),
    linear-gradient(110deg, transparent 0 54%, rgba(255, 255, 255, .025) 54.3%, transparent 54.7%);
}

.spectrum-card::after {
  position: absolute;
  inset: 8px;
  z-index: 5;
  pointer-events: none;
  content: "";
  border: 1px solid rgba(198, 229, 255, .08);
  border-radius: 12px;
}

.spectrum-card:hover {
  transform: translateY(-4px);
  border-color: rgba(137, 216, 255, .72);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, .42),
    0 0 34px rgba(56, 169, 255, .11),
    inset 0 0 0 1px rgba(255, 255, 255, .04),
    inset 0 1px 0 rgba(255, 255, 255, .14);
}

.spectrum-large {
  grid-row: span 2;
  min-height: 658px;
  background:
    radial-gradient(circle at 30% 100%, rgba(32, 127, 255, .15), transparent 44%),
    radial-gradient(circle at 100% 12%, rgba(77, 190, 255, .09), transparent 34%),
    linear-gradient(145deg, #0d1420, #080a12 72%);
}

.audio-card {
  grid-column: 2 / 4;
  min-height: 320px;
  background:
    radial-gradient(circle at 82% 16%, rgba(92, 153, 255, .14), transparent 34%),
    radial-gradient(circle at 20% 100%, rgba(77, 190, 255, .09), transparent 38%),
    linear-gradient(145deg, rgba(13, 22, 36, .96), rgba(7, 11, 19, .96));
}

.spectrum-card-head {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.spectrum-card-head span {
  color: #78d8ff;
  font: 9px/1 var(--mono);
  letter-spacing: .16em;
}

.spectrum-card-head b {
  color: #f4f8ff;
  font-size: 19px;
  letter-spacing: -.02em;
}

.spectrum-card > p {
  position: relative;
  z-index: 3;
  max-width: 440px;
  margin: 22px 0 0;
  color: #aab7c9;
  font-size: 13px;
  line-height: 1.7;
}

.mini-logo-grid {
  position: relative;
  z-index: 3;
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  overflow: hidden;
  border: 1px solid rgba(128, 196, 255, .22);
  border-radius: 12px;
  background: rgba(2, 7, 14, .34);
}

.mini-logo-grid > div {
  min-height: 135px;
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 15px;
  border-right: 1px solid rgba(128, 196, 255, .16);
  border-bottom: 1px solid rgba(128, 196, 255, .16);
  color: #d1d9e6;
  font-size: 14px;
  transition: background .25s ease, color .25s ease;
}

.mini-logo-grid > div:nth-child(2n) { border-right: 0; }
.mini-logo-grid > div:nth-last-child(-n + 2) { border-bottom: 0; }
.mini-logo-grid > div:hover { color: #fff; background: rgba(87, 187, 255, .08); }

.mini-logo-grid img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: grayscale(1) invert(1);
  opacity: .88;
}

.image-card,
.video-card {
  color: #fff;
  background: #07101c;
}

.media-card-image,
.media-card-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.media-card-image {
  z-index: 0;
  object-fit: cover;
  opacity: .82;
  transform: scale(1.015);
  transition: transform .7s cubic-bezier(.2,.7,.2,1), opacity .4s ease;
}

.spectrum-card:hover .media-card-image { transform: scale(1.07); opacity: .94; }

.media-card-overlay {
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(2, 7, 14, .78), rgba(3, 8, 15, .14) 46%, rgba(3, 8, 15, .92)),
    linear-gradient(90deg, rgba(3, 8, 15, .35), transparent 75%);
}

.image-card .media-card-image {
  object-position: 50% 47%;
  filter: saturate(.9) contrast(1.1) hue-rotate(-7deg);
}

.video-card {
  border-color: rgba(116, 188, 255, .42);
}

.video-card .media-card-image {
  object-position: 50% 62%;
  filter: saturate(.82) contrast(1.08);
}

.media-caption {
  position: absolute;
  right: 30px;
  bottom: 27px;
  left: 30px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 13px;
  border-top: 1px solid rgba(210, 235, 255, .28);
  color: rgba(239, 248, 255, .92);
  font: 9px/1 var(--mono);
  letter-spacing: .14em;
}

.media-caption small {
  color: rgba(197, 220, 239, .58);
  font: inherit;
  letter-spacing: .08em;
}

.video-pause-ui {
  position: absolute;
  top: 59%;
  left: 50%;
  z-index: 4;
  display: grid;
  justify-items: center;
  gap: 10px;
  transform: translate(-50%, -50%);
  color: rgba(238, 248, 255, .9);
  font: 8px/1 var(--mono);
  letter-spacing: .12em;
}

.video-pause-ui i {
  position: relative;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(213, 239, 255, .72);
  border-radius: 50%;
  background: rgba(5, 15, 28, .45);
  box-shadow: 0 0 0 7px rgba(181, 226, 255, .07), 0 0 34px rgba(99, 206, 255, .26);
  backdrop-filter: blur(10px);
}

.video-pause-ui i::before {
  position: absolute;
  top: 50%;
  left: 52%;
  content: "";
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid #f4fbff;
  transform: translate(-42%, -50%);
}

.audio-wave {
  height: 90px;
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.audio-wave i {
  width: 5px;
  height: 24%;
  border-radius: 999px;
  background: linear-gradient(to top, var(--magenta), var(--lime));
  opacity: .7;
  animation: audio-wave 1.5s ease-in-out infinite alternate;
}

.audio-wave i:nth-child(2n) { height: 58%; animation-delay: -.6s; }
.audio-wave i:nth-child(3n) { height: 88%; animation-delay: -1s; }
.audio-wave--waiting {
  width: 40%;
  opacity: .48;
}

.audio-wave--waiting i {
  animation-duration: .9s;
}

.audio-awaiting {
  position: absolute;
  right: 28px;
  bottom: 30px;
  z-index: 3;
  width: 46%;
  min-height: 61px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  overflow: hidden;
  border: 1px solid rgba(157, 211, 247, .25);
  border-radius: 11px;
  background: linear-gradient(135deg, rgba(5, 17, 29, .78), rgba(3, 10, 19, .7));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 14px 30px rgba(0, 0, 0, .18);
}

.audio-awaiting::before {
  position: absolute;
  top: 0;
  right: 12%;
  left: 12%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(189, 234, 255, .58), transparent);
}

.audio-awaiting i {
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 50%;
  background: #8edcff;
  box-shadow: 0 0 13px rgba(77, 190, 255, .86);
  animation: pulse 1.6s ease-in-out infinite;
}

.audio-awaiting strong {
  color: #f4faff;
  font-size: 14px;
  font-weight: 680;
  letter-spacing: .12em;
}

.immersive-capability-row i {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border: 1px solid rgba(189, 234, 255, .72);
  border-radius: 50%;
  background: rgba(77, 190, 255, .18);
  box-shadow: 0 0 10px rgba(77, 190, 255, .38);
}

.audio-card .media-card-image {
  object-position: 50% 56%;
  opacity: .74;
  filter: saturate(.86) contrast(1.12);
}

.audio-card .media-card-overlay {
  overflow: hidden;
  background:
    linear-gradient(to bottom, rgba(2, 7, 14, .78), rgba(3, 8, 15, .14) 42%, rgba(3, 8, 15, .9)),
    linear-gradient(90deg, rgba(3, 8, 15, .42), transparent 78%);
}

.audio-card .media-card-overlay::after {
  position: absolute;
  inset: -35% -20%;
  content: "";
  pointer-events: none;
  background: linear-gradient(105deg, transparent 38%, rgba(189, 234, 255, .14) 49%, transparent 61%);
  transform: translateX(-72%) rotate(5deg);
  animation: audio-card-scan 9s ease-in-out infinite;
}

.audio-card .spectrum-card-head,
.audio-card > p,
.audio-card .audio-wave {
  position: relative;
  z-index: 3;
}

@keyframes audio-card-scan {
  0%, 56% { opacity: 0; transform: translateX(-72%) rotate(5deg); }
  65% { opacity: .7; }
  80%, 100% { opacity: 0; transform: translateX(72%) rotate(5deg); }
}

@media (max-width: 560px) {
  .audio-card .media-card-overlay::after {
    opacity: .5;
    animation-duration: 11s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .audio-card .media-card-overlay::after { animation: none; opacity: 0; }
}

.support-section {
  padding-top: 112px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(4, 10, 18, .82), rgba(3, 7, 14, .68));
}

.support-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.support-card-grid article {
  position: relative;
  min-height: 310px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.02);
}

.support-card-grid article::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 230px;
  height: 230px;
  content: "";
  border: 1px solid rgba(77,190,255,.13);
  border-radius: 50%;
  box-shadow: 0 0 0 30px rgba(77,190,255,.025), 0 0 0 65px rgba(77,190,255,.015);
}

.support-card-grid .support-compute-card::after {
  border-color: rgba(189,234,255,.16);
  box-shadow: 0 0 0 30px rgba(189,234,255,.025), 0 0 0 65px rgba(189,234,255,.012);
}

.support-number {
  color: var(--magenta);
  font: 10px/1 var(--mono);
}

.support-number.lime { color: var(--lime); }
.support-card-grid h3 { margin: 40px 0 12px; font-size: 24px; }
.support-card-grid p { max-width: 440px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.support-card-grid code { display: block; margin-top: 52px; color: var(--faint); font: 10px/1 var(--mono); }

.support-logo-row {
  position: absolute;
  bottom: 32px;
  left: 34px;
  z-index: 2;
  display: flex;
  gap: 10px;
}

.support-logo-row img {
  width: 46px;
  height: 46px;
  padding: 12px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.025);
  filter: grayscale(1) invert(1);
  opacity: .72;
}

.support-logo-row img.logo-native {
  padding: 8px;
  filter: grayscale(1);
  opacity: .86;
}

.server-status {
  position: absolute;
  right: 34px;
  bottom: 32px;
  left: 34px;
  z-index: 2;
  min-height: 54px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(189,234,255,.16);
  border-radius: 9px;
  background: rgba(189,234,255,.04);
  font: 9px/1 var(--mono);
}

.server-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); animation: pulse 2s ease-in-out infinite; }
.server-status span { color: var(--faint); }
.server-status b { color: var(--lime); font-weight: 500; }

@keyframes audio-wave {
  to { transform: scaleY(.35); opacity: .35; }
}

.section {
  position: relative;
  padding: 130px 0;
}

.section-intro {
  max-width: 880px;
  margin-bottom: 58px;
}

.section-intro > p:last-child {
  margin-right: 0;
  margin-left: 0;
}

.section-index { color: var(--magenta); }
.section-index.lime { color: var(--lime); }

.site-footer { padding: 70px 0 32px; border-top: 1px solid var(--line); background: rgba(2, 5, 10, .86); backdrop-filter: blur(18px); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 80px; }
.footer-grid > div:first-child p { max-width: 450px; margin: 25px 0 0; color: var(--faint); font-size: 13px; line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.footer-links > span { margin-bottom: 6px; color: var(--faint); font: 9px/1 var(--mono); letter-spacing: .12em; }
.footer-links a,
.footer-links p { margin: 0; color: #9898a2; font-size: 12px; }
.footer-links a:hover { color: white; }
.footer-bottom { margin-top: 42px; padding-top: 22px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; color: #70879a; border-top: 1px solid var(--line); font: 9px/1.5 var(--mono); }
.footer-bottom span:first-child { flex: 1 1 760px; }
.footer-bottom span:last-child { flex: 0 1 auto; text-align: right; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s cubic-bezier(.22, 1, .36, 1), transform .75s cubic-bezier(.22, 1, .36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse { 0%, 100% { opacity: .45; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.15); } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 1050px) {
  .nav-status { display: none; }
  .nav-shell { grid-template-columns: auto 1fr; }
  .site-nav { justify-self: end; }
}

@media (max-width: 820px) {
  :root { --header-height: 64px; }
  .container,
.nav-shell {
    width: auto;
    margin-right: max(16px, env(safe-area-inset-right));
    margin-left: max(16px, env(safe-area-inset-left));
  }
  .nav-shell { grid-template-columns: 1fr auto; }
  .nav-toggle { display: block; justify-self: end; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: max(16px, env(safe-area-inset-right));
    left: max(16px, env(safe-area-inset-left));
    justify-self: stretch;
    padding: 14px;
    display: grid;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(9, 9, 14, .97);
    box-shadow: 0 30px 60px rgba(0, 0, 0, .5);
    max-height: calc(100dvh - var(--header-height) - 24px);
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .site-nav.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 15px 12px; border-bottom: 1px solid var(--line); }
  .site-nav a:last-child { border-bottom: 0; }
  .hero { padding-top: 120px; }
  .hero h1 { font-size: clamp(42px, 11vw, 64px); }
  .section { padding: 92px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .model-spectrum-grid { grid-template-columns: 1fr 1fr; }
  .spectrum-large { grid-column: 1 / -1; grid-row: auto; min-height: 560px; }
  .audio-card { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .hero { padding-top: 108px; }
  .hero h1 { font-size: 42px; line-height: 1.1; }
  .hero-lead { font-size: 15px; line-height: 1.75; }
  .hero-actions,
.cta-actions { flex-direction: column; }
  .button { width: 100%; }
  .ecosystem { padding: 82px 0 65px; }
  .ecosystem-logo { min-width: 160px; min-height: 78px; padding-inline: 22px; }
  .section-heading h2,
.section-intro h2 { font-size: 35px; }
  .section-heading h2,
.section-intro h2 { text-wrap: balance; }
  .footer-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .model-spectrum-grid,
.support-card-grid { grid-template-columns: 1fr; }
  .spectrum-large,
.audio-card { grid-column: auto; min-height: auto; }
  .spectrum-card { min-height: 340px; }
  .spectrum-large { min-height: 620px; }
  .support-card-grid article { min-height: 300px; padding: 28px; }
  .support-logo-row { left: 28px; bottom: 28px; }
  .server-status { right: 28px; bottom: 28px; left: 28px; }
}

@media (max-width: 380px) {
  .section-heading h2,
.section-intro h2 { font-size: 32px; }

  .spectrum-card { padding: 26px; }
  .support-card-grid article { padding: 26px; }
  .support-logo-row { left: 26px; }
  .server-status { right: 26px; left: 26px; }
}

@media (max-width: 560px) {
  .audio-card .audio-wave--waiting { width: 46%; opacity: .38; }
  .audio-awaiting { right: 22px; bottom: 24px; left: 22px; width: auto; min-height: 58px; }
  .footer-bottom span:first-child,
.footer-bottom span:last-child { flex: 0 0 auto; }
  .footer-bottom span:last-child { text-align: left; }
}

/* White / ice-blue interaction pass. Kept separate from showcase feature rules. */
:focus-visible {
  outline-color: var(--accent-blue);
  box-shadow: 0 0 0 5px rgba(77, 190, 255, 0.12);
}

@media (min-width: 821px) {
  :root { --header-height: 88px; }

  .nav-shell {
    width: min(1440px, calc(100% - 64px));
    gap: 44px;
  }

  .brand { gap: 14px; }

  .site-nav {
    gap: clamp(32px, 3.4vw, 58px);
    color: #cbd7e2;
    font-size: 14px;
    font-weight: 520;
    letter-spacing: .015em;
  }

  .site-nav a::after {
    bottom: -12px;
    height: 2px;
    border-radius: 999px;
  }

  .nav-status {
    min-height: 44px;
    padding: 0 18px;
    gap: 10px;
    font-size: 13px;
    border-color: var(--line-card);
    background: rgba(7, 17, 29, .42);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
  }

  .hero-actions {
    gap: 16px;
    margin-top: 38px;
  }

  .hero-actions .button {
    min-width: 184px;
    min-height: 58px;
    padding: 0 30px;
    gap: 22px;
    font-size: 15px;
  }
}

.button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition:
    transform .22s cubic-bezier(.2, .75, .25, 1),
    border-color .25s ease,
    background .3s ease,
    background-position .35s ease,
    box-shadow .3s ease;
}

.button::before {
  position: absolute;
  top: -45%;
  bottom: -45%;
  left: -45%;
  z-index: 1;
  width: 34%;
  content: "";
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .62), transparent);
  opacity: 0;
  transform: skewX(-18deg) translateX(-220%);
}

.button span {
  position: relative;
  z-index: 2;
  transition: transform .25s cubic-bezier(.2, .75, .25, 1);
}

.button:hover span { transform: translateX(3px); }
.button:active { transform: translateY(0) scale(.985); }

.button-primary {
  color: #04101b;
  border-color: rgba(245, 250, 255, .68);
  background: linear-gradient(105deg, #f8fcff 0%, #bdeaff 48%, #4dbeff 100%);
  background-size: 140% 100%;
  box-shadow:
    0 14px 38px rgba(39, 157, 226, .2),
    inset 0 1px 0 rgba(255, 255, 255, .78);
}

.button-primary:hover {
  background-position: 100% 0;
  box-shadow:
    0 18px 46px rgba(39, 157, 226, .3),
    0 0 0 1px rgba(189, 234, 255, .2),
    inset 0 1px 0 rgba(255, 255, 255, .9);
}

.button-primary:hover::before {
  opacity: .72;
  animation: button-sheen .55s ease both;
}

.button-ghost {
  color: var(--accent-white);
  border: 1px solid transparent;
  background:
    linear-gradient(rgba(5, 13, 23, .82), rgba(5, 13, 23, .82)) padding-box,
    linear-gradient(120deg, rgba(245, 250, 255, .34), rgba(77, 190, 255, .24), rgba(189, 234, 255, .1)) border-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .05),
    0 10px 30px rgba(0, 0, 0, .22);
}

.button-ghost:hover {
  border-color: transparent;
  background:
    linear-gradient(rgba(10, 25, 40, .94), rgba(7, 18, 30, .94)) padding-box,
    linear-gradient(120deg, rgba(245, 250, 255, .72), rgba(77, 190, 255, .62), rgba(189, 234, 255, .32)) border-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .1),
    0 14px 34px rgba(24, 123, 184, .16);
}

.spectrum-card {
  --pointer-x: 82%;
  --pointer-y: 12%;
  border-color: var(--line-strong);
  box-shadow:
    0 28px 72px rgba(0, 0, 0, .34),
    inset 0 1px 0 rgba(245, 250, 255, .07);
}

.spectrum-card::before {
  background:
    radial-gradient(circle 230px at var(--pointer-x) var(--pointer-y), rgba(77, 190, 255, .15), transparent 70%),
    radial-gradient(circle at 100% 0, rgba(189, 234, 255, .08), transparent 36%),
    linear-gradient(110deg, transparent 0 54%, rgba(255, 255, 255, .024) 54.3%, transparent 54.7%);
  opacity: .64;
  transition: opacity .35s ease;
}

.spectrum-card::after {
  inset: 0;
  border: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(245, 250, 255, .48), rgba(77, 190, 255, .2) 42%, rgba(77, 190, 255, .04) 72%, rgba(189, 234, 255, .18));
  opacity: .48;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: opacity .35s ease;
}

.spectrum-card:hover {
  transform: translateY(-3px);
  border-color: rgba(189, 234, 255, .7);
  box-shadow:
    0 34px 86px rgba(0, 0, 0, .42),
    0 0 38px rgba(77, 190, 255, .1),
    inset 0 1px 0 rgba(245, 250, 255, .12);
}

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

.spectrum-card-head b {
  transition: color .25s ease, text-shadow .25s ease;
}

.spectrum-card:hover .spectrum-card-head b {
  color: #fff;
  text-shadow: 0 0 22px rgba(189, 234, 255, .16);
}

.media-card-overlay {
  transition: background .35s ease, opacity .35s ease;
}

.spectrum-card:hover .media-card-overlay {
  background:
    linear-gradient(to bottom, rgba(2, 7, 14, .7), rgba(11, 39, 62, .08) 46%, rgba(3, 10, 18, .9)),
    linear-gradient(90deg, rgba(19, 82, 122, .2), transparent 75%);
}

.mini-logo-grid {
  border-color: rgba(157, 211, 247, .2);
}

.mini-logo-grid > div:hover {
  color: #fff;
  background: rgba(77, 190, 255, .085);
}

.support-card-grid article {
  --pointer-x: 82%;
  --pointer-y: 18%;
  isolation: isolate;
  border-color: var(--line-card);
  background: linear-gradient(145deg, rgba(10, 23, 37, .76), rgba(4, 10, 18, .9));
  box-shadow:
    0 24px 64px rgba(0, 0, 0, .24),
    inset 0 1px 0 rgba(245, 250, 255, .04);
  transition:
    transform .3s cubic-bezier(.2, .75, .25, 1),
    border-color .3s ease,
    box-shadow .3s ease;
}

.support-card-grid article::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle 250px at var(--pointer-x) var(--pointer-y), rgba(77, 190, 255, .16), transparent 72%);
  opacity: 0;
  transition: opacity .32s ease;
}

.support-card-grid article > * {
  position: relative;
  z-index: 2;
}

.support-card-grid article > .support-logo-row,
.support-card-grid article > .server-status {
  position: absolute;
}

.support-card-grid article::after {
  z-index: 1;
  border-color: rgba(77, 190, 255, .18);
  box-shadow:
    0 0 0 30px rgba(77, 190, 255, .028),
    0 0 0 65px rgba(189, 234, 255, .014);
  transition: transform .45s cubic-bezier(.2, .75, .25, 1), border-color .3s ease, box-shadow .3s ease;
}

.support-card-grid .support-compute-card::after {
  border-color: rgba(189, 234, 255, .22);
  box-shadow:
    0 0 0 30px rgba(189, 234, 255, .03),
    0 0 0 65px rgba(77, 190, 255, .016);
}

.support-card-grid article:hover {
  transform: translateY(-3px);
  border-color: var(--line-hover);
  box-shadow:
    0 32px 78px rgba(0, 0, 0, .34),
    0 0 32px rgba(77, 190, 255, .08),
    inset 0 1px 0 rgba(245, 250, 255, .1);
}

.support-card-grid article:hover::before { opacity: 1; }

.support-card-grid article:hover::after {
  border-color: rgba(189, 234, 255, .38);
  box-shadow:
    0 0 0 30px rgba(77, 190, 255, .045),
    0 0 0 65px rgba(189, 234, 255, .024),
    0 0 46px rgba(77, 190, 255, .1);
  transform: translate(-5px, -5px) scale(1.04);
}

.support-card-grid h3 {
  transition: color .25s ease, text-shadow .25s ease;
}

.support-card-grid article:hover h3 {
  color: #fff;
  text-shadow: 0 0 24px rgba(189, 234, 255, .15);
}

.support-logo-row img {
  border-color: var(--line-card);
  transition: transform .25s ease, border-color .25s ease, background .25s ease, opacity .25s ease;
}

.support-card-grid article:hover .support-logo-row img {
  border-color: rgba(189, 234, 255, .32);
  background: rgba(77, 190, 255, .06);
  opacity: .92;
  transform: translateY(-2px);
}

.server-status {
  border-color: rgba(189, 234, 255, .22);
  background: rgba(77, 190, 255, .045);
}

@keyframes button-sheen {
  0% { transform: skewX(-18deg) translateX(-220%); }
  100% { transform: skewX(-18deg) translateX(620%); }
}

/* Cinematic scale pass for the stable sections outside the in-flight showcase. */
.model-spectrum-section,
.support-section,
.final-cta {
  isolation: isolate;
  overflow: hidden;
}

.model-spectrum-section::before,
.support-section::before {
  position: absolute;
  z-index: -1;
  width: 880px;
  height: 880px;
  content: "";
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 190, 255, .085), rgba(77, 190, 255, .025) 34%, transparent 70%);
  filter: blur(16px);
}

.model-spectrum-section::before { top: 9%; right: -390px; }
.support-section::before { top: 12%; left: -440px; }

.spectrum-card:hover {
  transform: translateY(-5px);
  box-shadow:
    0 42px 108px rgba(0, 0, 0, .48),
    0 0 52px rgba(77, 190, 255, .13),
    inset 0 1px 0 rgba(245, 250, 255, .14);
}

.spectrum-card:hover .media-card-image {
  transform: scale(1.09);
}

.support-card-grid article:hover {
  transform: translateY(-5px);
  box-shadow:
    0 40px 96px rgba(0, 0, 0, .4),
    0 0 44px rgba(77, 190, 255, .105),
    inset 0 1px 0 rgba(245, 250, 255, .12);
}

@media (min-width: 821px) {
  .ecosystem {
    padding: 148px 0 120px;
  }

  .section {
    padding-block: 158px;
  }

  .section-heading {
    max-width: 1060px;
    margin-bottom: 76px;
  }

  .section-heading.compact {
    margin-bottom: 62px;
  }

  .section-heading h2,
.section-intro h2 {
    font-size: clamp(48px, 5.5vw, 76px);
    line-height: 1.04;
    letter-spacing: -.052em;
  }

  .section-heading.compact h2 {
    font-size: clamp(42px, 4.6vw, 60px);
  }

  .section-heading > p:last-child,
.section-intro > p:last-child {
    margin-top: 26px;
    font-size: 17px;
    line-height: 1.85;
  }

  .ecosystem-logo {
    min-width: 260px;
    min-height: 122px;
    gap: 16px;
    font-size: 18px;
  }

  .ecosystem-logo img {
    width: 36px;
    height: 36px;
  }

  .model-spectrum-section {
    padding-top: 154px;
  }

  .model-spectrum-section .section-intro {
    max-width: 980px;
    margin-bottom: 74px;
  }

  .model-spectrum-grid {
    gap: 22px;
  }

  .spectrum-card {
    min-height: 360px;
    padding: 36px;
    border-radius: 22px;
  }

  .spectrum-large {
    min-height: 742px;
  }

  .audio-card {
    min-height: 360px;
  }

  .spectrum-card-head b {
    font-size: 22px;
  }

  .spectrum-card > p {
    margin-top: 26px;
    font-size: 14px;
    line-height: 1.8;
  }

  .mini-logo-grid {
    margin-top: 58px;
  }

  .mini-logo-grid > div {
    min-height: 145px;
    padding: 26px;
    font-size: 15px;
  }

  .mini-logo-grid img {
    width: 40px;
    height: 40px;
  }

  .support-section {
    padding-top: 154px;
  }

  .support-card-grid {
    gap: 18px;
  }

  .support-card-grid article {
    min-height: 360px;
    padding: 42px;
    border-radius: 20px;
  }

  .support-card-grid article::after {
    right: -84px;
    bottom: -112px;
    width: 286px;
    height: 286px;
  }

  .support-card-grid h3 {
    margin: 48px 0 14px;
    font-size: 28px;
  }

  .support-card-grid p {
    font-size: 14px;
    line-height: 1.8;
  }

  .support-card-grid code {
    margin-top: 62px;
    font-size: 11px;
  }

  .support-logo-row {
    bottom: 40px;
    left: 42px;
    gap: 12px;
  }

  .support-logo-row img {
    width: 50px;
    height: 50px;
    padding: 13px;
    border-radius: 12px;
  }

  .server-status {
    right: 42px;
    bottom: 40px;
    left: 42px;
    min-height: 60px;
    padding-inline: 20px;
  }

  .final-cta {
    padding: 150px 0 110px;
  }

  .cta-actions {
    gap: 16px;
    margin-top: 40px;
  }

  .cta-actions .button {
    min-width: 184px;
    min-height: 56px;
    padding-inline: 28px;
    font-size: 15px;
  }
}

@media (hover: none), (pointer: coarse) {
  .button:hover,
.spectrum-card:hover,
.support-card-grid article:hover { transform: none; }
  .button-primary:hover::before { animation: none; opacity: 0; }
  .button:hover span,
.support-card-grid article:hover .support-logo-row img { transform: none; }
  .support-card-grid article::before { display: none; }
}

@media (max-width: 820px) {
  .nav-toggle { width: 44px; height: 44px; }
  .hero-actions .button { min-height: 54px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
*::before,
*::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .button:hover,
.spectrum-card:hover,
.support-card-grid article:hover,
.spectrum-card:hover .media-card-image,
.button:hover span,
.support-card-grid article:hover .support-logo-row img { transform: none; }
  .button-primary:hover::before,
.support-card-grid article::before { display: none; }
}

/* Navigation points: separated pills without a heavy outer rail. */
@media (min-width: 821px) {
  .site-nav {
    gap: clamp(30px, 4.4vw, 68px);
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .site-nav a {
    min-height: 40px;
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    font-family: "Segoe UI Variable Text", "PingFang SC", "Microsoft YaHei UI", var(--sans), sans-serif;
    font-size: 15px;
    font-weight: 520;
    font-stretch: 92%;
    letter-spacing: .065em;
    border: 1px solid transparent;
    border-radius: 999px;
    text-shadow: 0 0 18px rgba(189, 234, 255, .08);
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, text-shadow .2s ease, transform .16s ease;
  }

  .site-nav a::after {
    right: 13px;
    bottom: 3px;
    left: 13px;
    height: 2px;
    border-radius: 999px;
    box-shadow: 0 0 10px rgba(77, 190, 255, .46);
  }

  .site-nav a:hover {
    color: #f5fbff;
    border-color: rgba(157, 211, 247, .34);
    background: linear-gradient(135deg, rgba(77, 190, 255, .13), rgba(189, 234, 255, .055));
    box-shadow:
      inset 0 1px 0 rgba(245, 250, 255, .12),
      0 8px 24px rgba(0, 0, 0, .22),
      0 0 24px rgba(77, 190, 255, .11);
    text-shadow: 0 0 16px rgba(189, 234, 255, .26);
    transform: translateY(-1px);
  }

  .site-nav a.is-active {
    color: #fff;
    border-color: rgba(157, 211, 247, .44);
    background: linear-gradient(135deg, rgba(77, 190, 255, .18), rgba(113, 198, 255, .08));
    box-shadow:
      inset 0 1px 0 rgba(245, 250, 255, .15),
      inset 0 -8px 20px rgba(77, 190, 255, .035),
      0 0 28px rgba(77, 190, 255, .12);
    text-shadow: 0 0 18px rgba(189, 234, 255, .32);
  }

  .site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }

  .site-nav a:active {
    border-color: rgba(189, 234, 255, .58);
    background: rgba(77, 190, 255, .22);
    box-shadow: inset 0 3px 12px rgba(1, 8, 15, .38), 0 0 18px rgba(77, 190, 255, .14);
    transform: translateY(0) scale(.965);
  }
}

@media (max-width: 820px) {
  .site-nav a {
    min-height: 46px;
    display: flex;
    align-items: center;
    padding: 13px 14px;
    border: 1px solid transparent;
    border-bottom: 0;
    border-radius: 10px;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
  }

  .site-nav a::after {
    right: 14px;
    bottom: 9px;
    left: auto;
    width: 22px;
    height: 2px;
    border-radius: 999px;
  }

  .site-nav a:hover,
.site-nav a.is-active {
    color: #f5faff;
    border-color: rgba(157, 211, 247, .32);
    background: rgba(77, 190, 255, .12);
    box-shadow: inset 0 1px 0 rgba(245, 250, 255, .08), 0 0 18px rgba(77, 190, 255, .08);
  }

  .site-nav a.is-active::after { transform: scaleX(1); }

  .site-nav a:active {
    background: rgba(77, 190, 255, .2);
    transform: scale(.985);
  }
}

@media (hover: none), (pointer: coarse) {
  .site-nav a:hover:not(.is-active) {
    color: inherit;
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    text-shadow: none;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav a:hover,
.site-nav a:active { transform: none; }
}