/* ==========================================================================
   XH-CHIP — core design system, header, home page, footer
   ========================================================================== */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url('/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url('/fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'IBM Plex Mono', 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --bg: #f7f9fc;
  --bg-elevated: #ffffff;
  --bg-tint: #eef3fa;
  --ink: #08172b;
  --ink-soft: #51647b;
  --ink-muted: #7d8ea2;
  --brand: #0b5fe0;
  --brand-bright: #2f96ff;
  --brand-cyan: #6bdcff;
  --brand-ink: #061530;
  --navy: #050a13;
  --line: rgba(11, 36, 72, 0.1);
  --line-strong: rgba(11, 36, 72, 0.18);
  --white: #ffffff;
  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --container: 1240px;
  --gutter: clamp(20px, 3.6vw, 48px);
  --shadow-soft: 0 28px 70px -55px rgba(5, 28, 64, 0.5);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 74px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-menu-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

ul,
ol,
dl,
dd {
  margin: 0;
}

::selection {
  background: rgba(25, 107, 235, 0.24);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--brand-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: clamp(82px, 9.5vw, 148px) 0;
}

.section--tint {
  background:
    radial-gradient(ellipse 55% 60% at 88% 6%, rgba(70, 146, 255, 0.07), transparent 70%),
    linear-gradient(180deg, #f1f5fb 0%, #f7f9fd 100%);
  border-top: 1px solid rgba(12, 38, 76, 0.06);
  border-bottom: 1px solid rgba(12, 38, 76, 0.06);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.015em;
}

.ink-muted {
  color: var(--ink-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 10.5px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
}

.eyebrow--light {
  color: #67b6ff;
}

.signal-dot {
  position: relative;
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 50%;
  background: #54c3ff;
  box-shadow: 0 0 0 4px rgba(84, 195, 255, 0.12), 0 0 14px 2px rgba(84, 195, 255, 0.7);
}

.signal-dot::after {
  content: '';
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(84, 195, 255, 0.4);
  border-radius: 50%;
  animation: signal-pulse 2.8s ease-out infinite;
}

@keyframes signal-pulse {
  0% { transform: scale(0.6); opacity: 0.9; }
  70% { transform: scale(1.9); opacity: 0; }
  100% { transform: scale(1.9); opacity: 0; }
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
.skip-link:focus {
  transform: translateY(0);
}

/* -------------------------------- buttons -------------------------------- */

.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease),
    border-color 0.35s var(--ease), color 0.35s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  transition: transform 0.4s var(--ease);
}
.btn:hover svg {
  transform: translateX(3px);
}
.btn:active {
  transform: scale(0.975);
}
.btn--lg {
  min-height: 52px;
  padding: 15px 28px;
  font-size: 14.5px;
}
.btn--primary {
  --btn-bg: linear-gradient(135deg, #0a5fe4 0%, #2b8fff 100%);
  --btn-fg: #ffffff;
  box-shadow: 0 14px 36px -18px rgba(6, 88, 214, 0.72), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 22%, rgba(255, 255, 255, 0.26) 48%, transparent 74%);
  transform: translateX(-130%);
  transition: transform 0.8s var(--ease);
  pointer-events: none;
}
.btn--primary:hover::before {
  transform: translateX(130%);
}
.btn--primary:hover {
  box-shadow: 0 18px 46px -18px rgba(6, 88, 214, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn--light {
  --btn-bg: #f2f7ff;
  --btn-fg: #071932;
  box-shadow: 0 14px 38px -24px rgba(0, 0, 0, 0.6);
}
.btn--light:hover {
  --btn-bg: #ffffff;
}
.btn--glass {
  --btn-bg: rgba(255, 255, 255, 0.055);
  --btn-fg: #eef5ff;
  border-color: rgba(180, 213, 255, 0.22);
  backdrop-filter: blur(14px);
}
.btn--glass:hover {
  --btn-bg: rgba(255, 255, 255, 0.1);
  border-color: rgba(180, 213, 255, 0.38);
}
.btn--ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: #fff;
}
.btn--ghost:hover {
  background: #f4f8ff;
  border-color: rgba(25, 100, 220, 0.3);
}
.btn--danger {
  color: #a11b1b;
  border-color: rgba(170, 30, 30, 0.2);
  background: #fff5f5;
}
.btn--nav {
  min-height: 38px;
  padding: 9px 17px;
  font-size: 12.5px;
}
.btn--nav svg {
  width: 14px;
  height: 14px;
  flex-basis: 14px;
}
.btn[disabled],
.btn.is-loading {
  cursor: wait;
  opacity: 0.8;
  pointer-events: none;
}
.btn.is-loading svg {
  display: none;
}
.btn__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}
.btn.is-loading .btn__spinner {
  display: block;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.link-arrow {
  position: relative;
  align-self: flex-start;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13.5px;
  font-weight: 600;
  color: #0b4dbd;
  letter-spacing: -0.005em;
  padding-bottom: 4px;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: background-size 0.4s var(--ease), color 0.3s;
}
.link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform 0.4s var(--ease);
}
.link-arrow:hover {
  background-size: 0 1px;
  background-position: 100% 100%;
  color: var(--brand);
}
.link-arrow:hover svg {
  transform: translateX(4px);
}
.link-arrow--small {
  margin-top: 10px;
  font-size: 12.5px;
}

/* ------------------------------ demo strip ------------------------------- */

.demo-strip {
  position: relative;
  z-index: 101;
  background: #061023;
  color: #9db4ce;
  border-bottom: 1px solid rgba(145, 190, 255, 0.12);
}
.demo-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 34px;
  padding-top: 6px;
  padding-bottom: 6px;
  font-size: 10.5px;
  line-height: 1.5;
  letter-spacing: 0.015em;
  text-align: center;
}
.demo-strip__dot {
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  border-radius: 50%;
  background: #ffcf6b;
  box-shadow: 0 0 0 3px rgba(255, 207, 107, 0.12);
}
.demo-strip a {
  flex: 0 0 auto;
  color: #8fc9ff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.demo-strip a:hover {
  color: #c5e5ff;
}

/* --------------------------------- header -------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 251, 254, 0.8);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  border-bottom: 1px solid rgba(10, 32, 66, 0.075);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(250, 252, 255, 0.94);
  box-shadow: 0 16px 40px -34px rgba(6, 25, 55, 0.58);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
  transition: height 0.35s var(--ease);
}
.site-header.is-scrolled .site-header__inner {
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}
.brand__logo {
  width: auto;
  height: 27px;
  max-width: 240px;
  object-fit: contain;
  transition: opacity 0.3s;
}
.brand:hover .brand__logo {
  opacity: 0.82;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.primary-nav__link {
  position: relative;
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: #27384d;
  letter-spacing: -0.005em;
  transition: color 0.25s, background 0.25s;
}
.primary-nav__link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0;
  transform: translateX(-50%) scale(0.4);
  transition: opacity 0.25s, transform 0.3s var(--ease);
}
.primary-nav__link:hover {
  color: #061d3a;
  background: rgba(15, 62, 130, 0.055);
}
.primary-nav__link.is-active {
  color: #061d3a;
  font-weight: 600;
}
.primary-nav__link.is-active::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 18px;
}
.menu-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(10, 32, 66, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.65);
}
.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1.5px;
  border-radius: 2px;
  background: #0b1c34;
  transition: transform 0.35s var(--ease), opacity 0.25s, top 0.35s var(--ease);
}
.menu-toggle span:nth-child(1) { top: 15px; }
.menu-toggle span:nth-child(2) { top: 20px; }
.menu-toggle span:nth-child(3) { top: 25px; }
.menu-toggle[aria-expanded='true'] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.menu-toggle[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded='true'] span:nth-child(3) { top: 20px; transform: rotate(-45deg); }
.nav-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  overflow: hidden;
}
.nav-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #0a63e8, #6fe0ff);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.1s linear;
}

.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 99;
  max-height: calc(100svh - var(--header-h));
  overflow-y: auto;
  background: #f8fbff;
  backdrop-filter: none;
  border-bottom: 1px solid var(--line);
  padding: 18px var(--gutter) 28px;
  box-shadow: 0 30px 60px -30px rgba(4, 20, 48, 0.35);
  animation: menu-in 0.35s var(--ease);
}
@keyframes menu-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-menu__nav {
  display: grid;
}
.mobile-menu__nav a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 550;
  letter-spacing: -0.03em;
  color: #0a1d36;
}
.mobile-menu__nav a span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-muted);
  font-weight: 400;
}
.mobile-menu__nav a.is-active {
  color: var(--brand);
}
.mobile-menu__foot {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}
.mobile-menu__mail {
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------------------------------- hero --------------------------------- */

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: clamp(780px, 100svh, 1080px);
  background: #03060c;
  color: #f3f8ff;
  overflow: hidden;
  isolation: isolate;
}
.hero__atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(20px);
  will-change: transform;
}
.hero__glow--a {
  width: min(68vw, 980px);
  aspect-ratio: 1;
  right: -12%;
  top: -24%;
  background: radial-gradient(circle, rgba(19, 99, 236, 0.32) 0%, rgba(17, 77, 190, 0.12) 42%, transparent 68%);
  animation: glow-drift 16s ease-in-out infinite alternate;
}
.hero__glow--b {
  width: min(52vw, 760px);
  aspect-ratio: 1;
  right: 18%;
  bottom: -32%;
  background: radial-gradient(circle, rgba(17, 160, 220, 0.16) 0%, rgba(12, 80, 160, 0.08) 45%, transparent 70%);
  animation: glow-drift 22s ease-in-out infinite alternate-reverse;
}
@keyframes glow-drift {
  from { transform: translate3d(-2%, 1%, 0) scale(1); }
  to { transform: translate3d(3%, -2%, 0) scale(1.08); }
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(75, 144, 235, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 144, 235, 0.075) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 68% 38%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 68% 38%, #000 10%, transparent 75%);
  opacity: 0.75;
}
.hero__vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 6, 12, 0.96) 0%, rgba(3, 6, 12, 0.78) 31%, rgba(3, 6, 12, 0.18) 60%, transparent 78%),
    linear-gradient(0deg, #03060c 0%, transparent 26%),
    linear-gradient(180deg, rgba(3, 6, 12, 0.72) 0%, transparent 18%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  pointer-events: none;
}
.hero.is-3d .hero__canvas {
  opacity: 1;
}
.hero__inner {
  position: relative;
  z-index: 3;
  flex: 1;
  display: flex;
  align-items: center;
  padding-top: clamp(74px, 10vh, 122px);
  padding-bottom: 48px;
}
.hero__copy {
  max-width: min(655px, 48vw);
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 28px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: #88a9cd;
  text-transform: uppercase;
}
.hero__title {
  margin: 0;
  font-size: clamp(3.2rem, 7.4vw, 6.7rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.055em;
  color: #f7faff;
  text-wrap: balance;
}
.hero__title span {
  display: block;
}
.hero__title-accent {
  padding-bottom: 0.08em;
  background: linear-gradient(102deg, #9cdeff 0%, #5bb0ff 38%, #2c7bff 76%, #1c5be6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  max-width: 545px;
  margin: 28px 0 34px;
  font-size: clamp(1rem, 1.3vw, 1.13rem);
  line-height: 1.68;
  color: #a6b8ce;
  letter-spacing: -0.011em;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  color: #7d93ac;
  font-size: 11.5px;
  letter-spacing: 0.01em;
}
.hero__facts li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__facts li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #3c8bff;
  box-shadow: 0 0 8px rgba(60, 139, 255, 0.8);
}
.hero__stage-label {
  position: absolute;
  right: var(--gutter);
  top: 14%;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(150, 186, 224, 0.48);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero__stage-label .mono {
  letter-spacing: 0.09em;
}
.hero__stage-line {
  width: 38px;
  height: 1px;
  background: linear-gradient(90deg, rgba(94, 154, 229, 0.5), transparent);
}
.hero__foot {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  padding-top: 22px;
  padding-bottom: 30px;
  border-top: 1px solid rgba(114, 160, 216, 0.13);
}
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7790aa;
  transition: color 0.25s;
}
.scroll-cue:hover {
  color: #b6d6fa;
}
.scroll-cue__track {
  position: relative;
  width: 18px;
  height: 30px;
  border: 1px solid rgba(141, 183, 231, 0.35);
  border-radius: 999px;
}
.scroll-cue__dot {
  position: absolute;
  left: 50%;
  top: 6px;
  width: 3px;
  height: 6px;
  margin-left: -1.5px;
  border-radius: 3px;
  background: #7ec4ff;
  animation: scroll-dot 2.2s var(--ease) infinite;
}
@keyframes scroll-dot {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { opacity: 0; }
}
.hero__capabilities {
  display: flex;
  gap: clamp(20px, 3.2vw, 52px);
}
.hero__capabilities > div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: clamp(16px, 2.2vw, 32px);
  border-left: 1px solid rgba(114, 160, 216, 0.16);
}
.hero__capabilities .mono {
  font-size: 9px;
  color: #4b8ee2;
}
.hero__capabilities p {
  font-size: 11px;
  color: #8ba1b9;
  line-height: 1.3;
  white-space: nowrap;
}

/* hero fallback chip */

.hero-fallback {
  position: absolute;
  right: 4.5%;
  top: 52%;
  width: min(46vw, 650px);
  aspect-ratio: 1 / 1;
  transform: translateY(-50%);
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.hero-fallback__orbit {
  position: absolute;
  inset: 2%;
  border: 1px solid rgba(80, 155, 255, 0.18);
  border-radius: 50%;
  box-shadow: inset 0 0 80px rgba(21, 89, 190, 0.08);
  animation: spin 60s linear infinite;
}
.hero-fallback__orbit::before,
.hero-fallback__orbit::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}
.hero-fallback__orbit::before {
  inset: 9%;
  border: 1px dashed rgba(80, 155, 255, 0.13);
}
.hero-fallback__orbit::after {
  top: 7%;
  left: 72%;
  width: 6px;
  height: 6px;
  background: #51b6ff;
  box-shadow: 0 0 18px 3px rgba(81, 182, 255, 0.7);
}
.hero-fallback__board {
  position: absolute;
  inset: 21%;
  padding: 26px;
  border: 1px solid rgba(98, 171, 255, 0.34);
  border-radius: 24px;
  background:
    radial-gradient(ellipse 80% 60% at 66% 22%, rgba(28, 91, 180, 0.4), transparent 68%),
    linear-gradient(148deg, #0e2546 0%, #071424 46%, #040a12 100%);
  box-shadow:
    0 70px 100px -50px rgba(0, 0, 0, 0.9),
    0 0 90px rgba(21, 100, 220, 0.12),
    inset 0 1px 0 rgba(153, 205, 255, 0.24);
  transform: perspective(1100px) rotateX(14deg) rotateY(-17deg) rotateZ(6deg);
  animation: chip-float 8s ease-in-out infinite;
  overflow: hidden;
}
.hero-fallback__board::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 17px, rgba(219, 178, 106, 0.8) 17px 23px, transparent 23px 40px) top left / 100% 7px no-repeat,
    repeating-linear-gradient(90deg, transparent 0 17px, rgba(219, 178, 106, 0.8) 17px 23px, transparent 23px 40px) bottom left / 100% 7px no-repeat,
    repeating-linear-gradient(0deg, transparent 0 17px, rgba(219, 178, 106, 0.8) 17px 23px, transparent 23px 40px) top left / 7px 100% no-repeat,
    repeating-linear-gradient(0deg, transparent 0 17px, rgba(219, 178, 106, 0.8) 17px 23px, transparent 23px 40px) top right / 7px 100% no-repeat;
  opacity: 0.6;
}
.hero-fallback__board::after {
  content: '';
  position: absolute;
  inset: 15%;
  border-radius: 16px;
  border: 1px solid rgba(52, 136, 240, 0.25);
  background:
    linear-gradient(rgba(52, 136, 240, 0.08) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(90deg, rgba(52, 136, 240, 0.08) 1px, transparent 1px) 0 0 / 22px 22px;
}
.hero-fallback__die {
  position: absolute;
  inset: 31%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(104, 188, 255, 0.5);
  border-radius: 13px;
  background:
    radial-gradient(circle at 50% 38%, rgba(35, 124, 255, 0.42), transparent 70%),
    linear-gradient(150deg, #0a2c59, #050e1c);
  box-shadow:
    inset 0 0 44px rgba(23, 102, 214, 0.32),
    0 0 50px rgba(30, 118, 255, 0.22);
}
.hero-fallback__xh {
  font-size: clamp(46px, 6vw, 82px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
  background: linear-gradient(130deg, #e8f7ff, #79c8ff 40%, #2c7fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-fallback__micro {
  font-size: clamp(5px, 0.62vw, 8px);
  letter-spacing: 0.24em;
  color: #7db5e8;
}
.hero-fallback__trace {
  position: absolute;
  z-index: 2;
  height: 1px;
  background: linear-gradient(90deg, transparent, #4eb9ff, transparent);
  box-shadow: 0 0 8px #4eb9ff;
  opacity: 0.6;
}
.hero-fallback__trace.t1 { top: 23%; left: 6%; width: 20%; transform: rotate(-18deg); }
.hero-fallback__trace.t2 { bottom: 25%; right: 5%; width: 24%; transform: rotate(12deg); }
.hero-fallback__trace.t3 { top: 56%; left: 3%; width: 12%; }
.hero.is-3d .hero-fallback {
  opacity: 0;
  visibility: hidden;
}
@keyframes chip-float {
  0%, 100% { transform: perspective(1100px) rotateX(14deg) rotateY(-17deg) rotateZ(6deg) translateY(0); }
  50% { transform: perspective(1100px) rotateX(11deg) rotateY(-13deg) rotateZ(4deg) translateY(-14px); }
}

/* --------------------------------- marquee ------------------------------- */

.marquee-band {
  position: relative;
  z-index: 4;
  overflow: hidden;
  padding: 17px 0;
  background: #060b13;
  border-top: 1px solid rgba(105, 160, 225, 0.1);
  border-bottom: 1px solid rgba(105, 160, 225, 0.08);
}
.marquee {
  display: flex;
  width: 100%;
  overflow: hidden;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  padding-left: 34px;
  animation: marquee 42s linear infinite;
}
.marquee__track span {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: #728aa4;
  white-space: nowrap;
}
.marquee__track i {
  width: 4px;
  height: 4px;
  flex: 0 0 4px;
  border-radius: 50%;
  background: #2e74c8;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
.marquee:hover .marquee__track,
.marquee-band.is-paused .marquee__track {
  animation-play-state: paused;
}

/* -------------------------------- generic -------------------------------- */

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(24px, 4vw, 60px);
  margin-bottom: clamp(38px, 4.6vw, 66px);
}
.section-head h2 {
  margin-top: 16px;
  font-size: clamp(2.15rem, 4.25vw, 3.9rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.052em;
  text-wrap: balance;
}
.section-head__sub {
  max-width: 355px;
  padding-bottom: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.section-head--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.section-head--center .section-head__sub {
  max-width: 540px;
  padding-bottom: 0;
}
.section .eyebrow {
  margin-bottom: 2px;
}
.catalogue-note {
  margin-top: 24px;
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}

/* -------------------------------- approach ------------------------------- */

.approach__grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: clamp(48px, 7vw, 104px);
  align-items: center;
}
.approach__copy h2 {
  margin: 16px 0 24px;
  font-size: clamp(2.35rem, 4.45vw, 4.15rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.052em;
  text-wrap: balance;
}
.lead {
  max-width: 560px;
  font-size: clamp(1rem, 1.28vw, 1.13rem);
  line-height: 1.72;
  color: #4d5f74;
  letter-spacing: -0.006em;
}
.approach__points {
  display: grid;
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid var(--line);
}
.approach__points > div {
  display: grid;
  grid-template-columns: 36px 1fr;
  column-gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.approach__points .mono {
  grid-row: span 2;
  padding-top: 2px;
  font-size: 10px;
  color: var(--brand);
}
.approach__points h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.approach__points p {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.approach__visual {
  position: relative;
  padding: 0 0 40px clamp(0px, 4vw, 46px);
}
.visual-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13, 38, 76, 0.1);
  background: #07111d;
  box-shadow: 0 50px 90px -70px rgba(5, 29, 68, 0.75);
}
.visual-frame--tall {
  aspect-ratio: 4 / 4.55;
}
.visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.03) brightness(0.92);
  transition: transform 1.2s var(--ease);
}
.visual-frame:hover img {
  transform: scale(1.025);
}
.visual-frame__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 9, 17, 0.08) 30%, rgba(3, 9, 17, 0.72) 100%),
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(30, 98, 200, 0.16), transparent 70%);
}
.visual-frame__label {
  position: absolute;
  left: 24px;
  bottom: 22px;
  color: rgba(213, 232, 255, 0.7);
  font-size: 8.5px;
  letter-spacing: 0.18em;
}
.floating-card {
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(325px, 82%);
  padding: 19px 20px;
  border: 1px solid rgba(129, 183, 255, 0.24);
  border-radius: 19px;
  background: rgba(7, 18, 33, 0.86);
  backdrop-filter: blur(22px) saturate(140%);
  color: #edf5ff;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.09);
  animation: float-card 8s ease-in-out infinite;
}
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.floating-card__head {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #6fa7e4;
  font-size: 8.5px;
  letter-spacing: 0.12em;
}
.floating-card__head .signal-dot {
  width: 5px;
  height: 5px;
  flex-basis: 5px;
  background: #4cd6a2;
  box-shadow: 0 0 10px rgba(76, 214, 162, 0.7);
}
.floating-card__head .signal-dot::after {
  display: none;
}
.floating-card__title {
  margin: 14px 0;
  font-size: 24px;
  font-weight: 550;
  line-height: 1.06;
  letter-spacing: -0.04em;
}
.floating-card__parts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.part-chip {
  display: inline-flex;
  padding: 4px 8px;
  border: 1px solid rgba(128, 177, 240, 0.16);
  border-radius: 6px;
  background: rgba(91, 151, 230, 0.08);
  color: #9fc6f5;
  font-size: 9px;
  letter-spacing: -0.01em;
}
.part-chip--more {
  color: #5e82aa;
  border-style: dashed;
}
.floating-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  padding-top: 13px;
  border-top: 1px solid rgba(128, 177, 240, 0.12);
  font-size: 9.5px;
  color: #7e9ab8;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(61, 205, 149, 0.09);
  border: 1px solid rgba(61, 205, 149, 0.2);
  color: #73e0b6;
  font-size: 8.5px;
  letter-spacing: 0.04em;
}
.status-pill::before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #52dca5;
}

/* ------------------------------- product cards --------------------------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 1.7vw, 22px);
}
.product-grid--featured {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.product-card {
  --rx: 0deg;
  --ry: 0deg;
  position: relative;
  height: 100%;
  border: 1px solid rgba(12, 38, 76, 0.09);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 24px 50px -46px rgba(6, 27, 60, 0.5);
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.4s;
  will-change: transform;
}
.product-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.product-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #07111d;
}
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), filter 0.6s;
}
.product-card__placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 60% 30%, rgba(40, 121, 255, 0.24), transparent 60%),
    linear-gradient(145deg, #0a1a2e, #040a12);
  color: #5ba7ff;
  font-size: 54px;
  font-weight: 700;
  letter-spacing: -0.06em;
}
.is-broken {
  display: none !important;
}
.has-broken-image::after {
  content: 'XH';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(112, 178, 255, 0.55);
  font-size: 54px;
  font-weight: 700;
  letter-spacing: -0.06em;
  background:
    radial-gradient(circle at 60% 30%, rgba(40, 121, 255, 0.24), transparent 60%),
    linear-gradient(145deg, #0a1a2e, #040a12);
  pointer-events: none;
}
.product-card__media.has-broken-image::after,
.insight-card__media.has-broken-image::after,
.product-detail__frame.has-broken-image::after,
.article-cover.has-broken-image::after {
  content: 'XH';
}
.product-card__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 9, 18, 0.04) 40%, rgba(3, 9, 18, 0.68) 100%);
  pointer-events: none;
}
.product-card__category {
  position: absolute;
  top: 13px;
  left: 13px;
  padding: 5px 9px;
  border: 1px solid rgba(201, 226, 255, 0.24);
  border-radius: 999px;
  background: rgba(4, 13, 26, 0.58);
  backdrop-filter: blur(10px);
  color: #d2e6ff;
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.product-card__view {
  position: absolute;
  right: 14px;
  bottom: 13px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #e9f4ff;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s, transform 0.4s var(--ease);
}
.product-card__view svg {
  width: 13px;
  height: 13px;
}
.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 17px 17px 16px;
}
.product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 14px;
  color: var(--ink-muted);
  font-size: 9.5px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}
.sample-flag {
  flex: 0 0 auto;
  color: #9a6a1d;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid rgba(154, 106, 29, 0.18);
  background: rgba(255, 194, 84, 0.08);
}
.product-card__part {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: clamp(14.5px, 1.35vw, 17px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: #071b36;
  overflow-wrap: anywhere;
}
.product-card__title {
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.5;
  color: #66798f;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card__price {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin-top: auto;
  padding-top: 14px;
}
.price {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #081a32;
  font-variant-numeric: tabular-nums;
}
.price__sub {
  font-size: 8.5px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.quote-label {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 6px;
  background: #eef5ff;
  color: #0b4dbd;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.product-card:hover {
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-5px);
  border-color: rgba(35, 112, 230, 0.28);
  box-shadow: 0 36px 70px -50px rgba(7, 48, 118, 0.58);
}
.product-card:hover .product-card__media img {
  transform: scale(1.055);
}
.product-card:hover .product-card__view {
  opacity: 1;
  transform: translateY(0);
}
.product-card:focus-within {
  border-color: rgba(35, 112, 230, 0.55);
  box-shadow: 0 0 0 3px rgba(35, 112, 230, 0.16);
}
@media (hover: none) {
  .product-card {
    transform: none;
  }
  .product-card:hover {
    transform: none;
  }
  .product-card__view {
    opacity: 1;
    transform: none;
  }
}

/* -------------------------------- process -------------------------------- */

.process {
  background:
    radial-gradient(ellipse 60% 50% at 15% 20%, rgba(20, 79, 176, 0.22), transparent 65%),
    radial-gradient(ellipse 50% 45% at 90% 80%, rgba(15, 98, 190, 0.12), transparent 70%),
    #04070d;
  color: #f4f8ff;
  overflow: hidden;
}
.process::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(73, 137, 226, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 137, 226, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 10%, transparent 78%);
  pointer-events: none;
}
.process > .container {
  position: relative;
  z-index: 1;
}
.process .eyebrow {
  color: #64b1ff;
}
.process h2 {
  color: #f5f9ff;
}
.process .ink-muted {
  color: #7a8fa6;
}
.process .section-head__sub {
  color: #8198b1;
}
.process__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(38px, 6vw, 88px);
  margin-top: clamp(44px, 5.5vw, 74px);
  align-items: start;
}
.process__visual {
  position: sticky;
  top: 112px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 500px;
  padding: 26px;
  border: 1px solid rgba(98, 160, 240, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 74% 26%, rgba(23, 101, 213, 0.24), transparent 56%),
    linear-gradient(162deg, #071421 0%, #040a12 65%, #03070c 100%);
  overflow: hidden;
}
.process__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 127, 216, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 127, 216, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 72%);
}
.process-orbit {
  position: relative;
  width: min(350px, 76%);
  aspect-ratio: 1;
  margin: 8px auto 18px;
  display: grid;
  place-items: center;
}
.process-orbit__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(87, 154, 245, 0.18);
}
.process-orbit__ring--a {
  inset: 2%;
  border-style: dashed;
  animation: spin 54s linear infinite;
}
.process-orbit__ring--b {
  inset: 14%;
  border-color: rgba(87, 154, 245, 0.11);
  animation: spin 38s linear infinite reverse;
}
.process-orbit__ring--b::before {
  content: '';
  position: absolute;
  top: 6%;
  right: 16%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4fc5ff;
  box-shadow: 0 0 14px 2px rgba(79, 197, 255, 0.65);
}
.process-orbit__ring--c {
  inset: 28%;
  border-color: rgba(77, 153, 255, 0.22);
  background: radial-gradient(circle, rgba(20, 91, 190, 0.12), transparent 70%);
  box-shadow: 0 0 70px rgba(29, 106, 225, 0.12);
}
.process-orbit__core {
  position: relative;
  display: grid;
  place-items: center;
  width: 34%;
  aspect-ratio: 1;
  border-radius: 22px;
  border: 1px solid rgba(88, 168, 255, 0.34);
  background:
    radial-gradient(circle at 50% 35%, rgba(35, 124, 255, 0.28), transparent 70%),
    linear-gradient(150deg, #0a2545, #050d18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 0 60px rgba(33, 119, 235, 0.25);
}
.process-orbit__core img {
  width: 72%;
  height: auto;
  opacity: 0.95;
  filter: brightness(1.7) saturate(1.25);
}
.process-orbit__satellite {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: rgba(95, 174, 255, 0.6);
  box-shadow: 0 0 18px rgba(95, 174, 255, 0.5);
}
.process-orbit__satellite--a { top: 18%; left: 12%; transform: rotate(24deg); }
.process-orbit__satellite--b { bottom: 16%; right: 9%; width: 5px; height: 5px; opacity: 0.6; }
.process__readout {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(105, 157, 223, 0.14);
}
.process__readout > .mono {
  font-size: clamp(40px, 4.5vw, 58px);
  font-weight: 300;
  line-height: 0.85;
  letter-spacing: -0.045em;
  color: transparent;
  background: linear-gradient(135deg, #74c6ff, #276ff0);
  -webkit-background-clip: text;
  background-clip: text;
}
.process__readout .eyebrow {
  font-size: 8px;
  letter-spacing: 0.2em;
  color: #5487bd;
}
.process__readout p {
  margin-top: 4px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #e8f2ff;
}
.process__progress {
  position: relative;
  height: 2px;
  margin-top: 20px;
  border-radius: 2px;
  background: rgba(114, 165, 230, 0.12);
  overflow: hidden;
}
.process__progress span {
  display: block;
  width: 25%;
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, #2f8cff, #67d3ff);
  box-shadow: 0 0 14px rgba(47, 140, 255, 0.8);
  transition: width 0.6s var(--ease), transform 0.6s var(--ease);
}
.process__steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.process-step {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  padding: clamp(24px, 3vw, 36px) 0;
  border-top: 1px solid rgba(120, 164, 220, 0.14);
  opacity: 0.45;
  transition: opacity 0.45s var(--ease);
}
.process-step:last-child {
  border-bottom: 1px solid rgba(120, 164, 220, 0.14);
}
.process-step.is-active {
  opacity: 1;
}
.process-step__num {
  font-size: 10px;
  color: #5d84b4;
  padding-top: 6px;
  letter-spacing: 0.06em;
  transition: color 0.4s;
}
.process-step.is-active .process-step__num {
  color: #5cb9ff;
}
.process-step h3 {
  font-size: clamp(1.25rem, 1.9vw, 1.65rem);
  font-weight: 550;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: #f1f6fd;
}
.process-step p {
  max-width: 475px;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.72;
  color: #8ba0b7;
}
.process-step.is-active p {
  color: #9db3ca;
}

/* ------------------------------ capabilities ----------------------------- */

.capability-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr 0.82fr;
  grid-template-areas:
    'a b c'
    'a d d';
  gap: clamp(12px, 1.5vw, 18px);
}
.capability-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 2.4vw, 30px);
  border: 1px solid rgba(12, 38, 76, 0.09);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 22px 60px -58px rgba(5, 25, 55, 0.55);
  transition: border-color 0.35s, transform 0.35s var(--ease), box-shadow 0.35s;
}
.capability-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(360px circle at var(--mx, 65%) var(--my, 40%), rgba(37, 123, 255, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.capability-card:hover {
  border-color: rgba(30, 105, 220, 0.22);
  box-shadow: 0 30px 60px -50px rgba(9, 48, 110, 0.35);
}
.capability-card:hover::before {
  opacity: 1;
}
.capability-card:nth-child(1) { grid-area: a; }
.capability-card:nth-child(2) { grid-area: b; }
.capability-card:nth-child(3) { grid-area: c; }
.capability-card:nth-child(4) { grid-area: d; }
.capability-card--wide {
  min-height: 430px;
  background:
    radial-gradient(ellipse 70% 50% at 76% 20%, rgba(24, 101, 220, 0.22), transparent 65%),
    linear-gradient(155deg, #081729 0%, #050b14 72%);
  color: #f0f6ff;
  border-color: rgba(75, 139, 227, 0.17);
}
.capability-card--wide::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(75, 143, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 143, 230, 0.06) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at 60% 60%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 60% 60%, #000, transparent 78%);
  opacity: 0.7;
  pointer-events: none;
}
.capability-card__icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 41px;
  height: 41px;
  margin-bottom: 20px;
  border: 1px solid rgba(25, 100, 215, 0.14);
  border-radius: 12px;
  background: #f3f7fd;
  color: #0b5bd3;
}
.capability-card--wide .capability-card__icon {
  border-color: rgba(92, 161, 255, 0.25);
  background: rgba(34, 99, 190, 0.16);
  color: #7bc8ff;
}
.capability-card__icon svg {
  width: 20px;
  height: 20px;
}
.capability-card h3 {
  position: relative;
  z-index: 1;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.capability-card p {
  position: relative;
  z-index: 1;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}
.capability-card--wide p {
  color: #8fa7c1;
}
.capability-card--wide h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  letter-spacing: -0.04em;
}
.capability-card--wide p {
  max-width: 390px;
}
.search-demo {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 38px;
}
.search-demo__field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 15px;
  border: 1px solid rgba(106, 169, 255, 0.24);
  border-radius: 10px;
  background: rgba(4, 12, 23, 0.64);
  color: #bcd9ff;
  font-size: 12px;
  box-shadow: 0 20px 40px -30px rgba(0, 0, 0, 0.8);
}
.search-demo__caret {
  width: 1px;
  height: 14px;
  background: #6dc6ff;
  animation: caret 1.4s steps(2, start) infinite;
}
@keyframes caret {
  50% { opacity: 0; }
}
.search-demo__result {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  padding: 12px 15px;
  border: 1px solid rgba(106, 169, 255, 0.14);
  border-radius: 10px;
  background: rgba(11, 30, 53, 0.72);
  color: #d9eaff;
  font-size: 11px;
  transform: translateY(-2px);
}
.search-demo__result .mono {
  font-size: 11px;
  color: #e5f2ff;
}
.search-demo__result > span:nth-child(2) {
  margin-left: auto;
  color: #7899bb;
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.search-demo__ok {
  display: grid;
  place-items: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: rgba(61, 205, 149, 0.12);
  color: #64d9ad !important;
  font-size: 10px !important;
}

/* -------------------------------- insights ------------------------------- */

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.7vw, 22px);
}
.insight-card {
  height: 100%;
  border: 1px solid rgba(12, 38, 76, 0.09);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 24px 50px -48px rgba(6, 27, 60, 0.4);
  transition: transform 0.45s var(--ease), box-shadow 0.45s, border-color 0.35s;
}
.insight-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.insight-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a1520;
}
.insight-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.02);
  transition: transform 1s var(--ease);
}
.insight-card__placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #0b1e33, #040a12);
  color: #4d99ee;
  font-size: 44px;
  font-weight: 700;
}
.insight-card__tag {
  position: absolute;
  top: 13px;
  left: 13px;
  padding: 5px 9px;
  border: 1px solid rgba(197, 224, 255, 0.22);
  border-radius: 999px;
  background: rgba(4, 13, 26, 0.55);
  backdrop-filter: blur(8px);
  color: #d4e8ff;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.insight-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px;
}
.insight-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 14px;
  color: var(--ink-muted);
  font-size: 9.5px;
  letter-spacing: 0.03em;
}
.insight-card h3 {
  margin-top: 10px;
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.028em;
  color: #081a32;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.insight-card p {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.62;
  color: #667a90;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.insight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(35, 112, 230, 0.25);
  box-shadow: 0 32px 60px -50px rgba(7, 48, 118, 0.48);
}
.insight-card:hover .insight-card__media img {
  transform: scale(1.04);
}
.insight-card:hover .link-arrow {
  background-size: 0 1px;
}

/* ---------------------------------- cta ---------------------------------- */

.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 8vw, 108px) 0;
  background:
    radial-gradient(ellipse 55% 70% at 8% 0%, rgba(26, 101, 220, 0.32), transparent 65%),
    radial-gradient(ellipse 40% 60% at 92% 100%, rgba(33, 131, 224, 0.18), transparent 70%),
    #040a14;
  color: #f3f8ff;
  border-top: 1px solid rgba(95, 157, 235, 0.12);
}
.cta-band__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  right: 6%;
  top: -250px;
  border-radius: 50%;
  border: 1px solid rgba(94, 160, 255, 0.08);
  box-shadow: 0 0 0 70px rgba(94, 160, 255, 0.025), 0 0 0 150px rgba(94, 160, 255, 0.02);
  pointer-events: none;
}
.cta-band__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 139, 227, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 139, 227, 0.06) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 100% at 80% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 100% at 80% 50%, #000, transparent 75%);
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.cta-band h2 {
  margin-top: 16px;
  font-size: clamp(2.2rem, 4.3vw, 3.9rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.052em;
}
.cta-band h2 span {
  color: #7ea4cf;
}
.cta-band__copy p:last-child {
  max-width: 520px;
  margin-top: 20px;
  color: #8ba3bd;
  font-size: 14px;
  line-height: 1.7;
}
.cta-band__actions {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  padding-bottom: 5px;
}
.cta-band__email {
  font-size: 12px;
  color: #7fa3c9;
  border-bottom: 1px solid rgba(127, 163, 201, 0.3);
  padding-bottom: 2px;
  transition: color 0.25s, border-color 0.25s;
}
.cta-band__email:hover {
  color: #c3e3ff;
  border-color: rgba(195, 227, 255, 0.5);
}

/* --------------------------------- footer -------------------------------- */

.site-footer {
  background: #f2f6fb;
  border-top: 1px solid rgba(10, 30, 60, 0.07);
  color: #3d4f64;
  padding: clamp(48px, 6vw, 72px) 0 26px;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.55fr repeat(3, minmax(0, 0.8fr));
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: 46px;
}
.brand--footer .brand__logo {
  height: 31px;
}
.site-footer__brand p {
  margin-top: 16px;
  max-width: 290px;
  font-size: 13px;
  line-height: 1.65;
  color: #5c6e83;
}
.site-footer__brand .site-footer__note {
  margin-top: 10px;
  font-size: 11.5px;
  color: #8b9aab;
}
.site-footer__col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
}
.site-footer__col h3 {
  margin: 4px 0 8px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8294a8;
}
.site-footer__col a,
.site-footer__col p {
  font-size: 12.5px;
  line-height: 1.5;
  color: #465a70;
  transition: color 0.2s;
}
.site-footer__col a:hover {
  color: var(--brand);
}
.site-footer__contact p {
  max-width: 220px;
  color: #6a7c90;
}
.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(10, 30, 60, 0.08);
  font-size: 10.5px;
  color: #8a9aab;
}
.site-footer__bottom-links {
  display: flex;
  align-items: center;
  gap: 14px;
}
.demo-chip {
  display: inline-flex;
  padding: 3px 7px;
  border: 1px solid rgba(150, 110, 30, 0.16);
  border-radius: 999px;
  background: rgba(255, 194, 84, 0.08);
  color: #8a6a2f;
  font-size: 8.5px;
  letter-spacing: 0.03em;
}

/* ------------------------------ toast region ----------------------------- */

.toast-region {
  position: fixed;
  z-index: 200;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.toast {
  max-width: min(90vw, 440px);
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(6, 18, 35, 0.94);
  backdrop-filter: blur(16px);
  color: #e9f3ff;
  font-size: 12px;
  line-height: 1.5;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(132, 181, 240, 0.2);
  animation: toast-in 0.35s var(--ease);
  pointer-events: auto;
}
.toast.is-error {
  border-color: rgba(255, 126, 126, 0.3);
  background: rgba(50, 13, 16, 0.95);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* -------------------------------- reveal --------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.9s var(--ease);
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
.js [data-reveal-delay='60'] { transition-delay: 0.06s; }
.js [data-reveal-delay='120'] { transition-delay: 0.12s; }
.js [data-reveal-delay='180'] { transition-delay: 0.18s; }
.js [data-reveal-delay='70'] { transition-delay: 0.07s; }
.js [data-reveal-delay='140'] { transition-delay: 0.14s; }
.js [data-reveal-delay='210'] { transition-delay: 0.21s; }

[data-parallax] {
  will-change: transform;
}

/* ------------------------------ responsive ------------------------------- */

@media (max-width: 1180px) {
  .product-grid,
  .product-grid--featured {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .insight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .capability-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      'a a'
      'b c'
      'd d';
  }
  .capability-card--wide {
    min-height: 390px;
  }
  .approach__grid {
    gap: 56px;
  }
}

@media (max-width: 1020px) {
  .hero__copy {
    max-width: 58%;
  }
  .hero__actions {
    gap: 8px;
  }
  .hero__actions .btn--lg {
    min-height: 48px;
    padding: 13px 19px;
    font-size: 13px;
  }
}

@media (max-width: 1120px) {
  .hero__capabilities {
    display: none;
  }
}

@media (max-width: 1000px) {
  :root {
    --header-h: 66px;
  }
  .primary-nav,
  .site-header__actions .btn--nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .site-header__actions {
    margin-left: auto;
  }
  .brand__logo {
    height: 26px;
  }
  .hero {
    min-height: 860px;
  }
  .hero-fallback {
    right: -8%;
    top: 58%;
    width: min(62vw, 620px);
    opacity: 0.9;
  }
  .hero__stage-label {
    display: none;
  }
  .approach__grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }
  .approach__visual {
    max-width: 620px;
    margin-inline: auto;
    width: 100%;
    padding-left: 40px;
  }
  .visual-frame--tall {
    aspect-ratio: 4 / 4;
  }
  .process__grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .process__visual {
    position: relative;
    top: 0;
    min-height: 430px;
  }
  .process-orbit {
    width: min(310px, 65%);
  }
  .section-head {
    align-items: flex-start;
  }
  .insight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .insight-grid > div:last-child {
    grid-column: span 2;
  }
  .insight-grid > div:last-child .insight-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .insight-grid > div:last-child .insight-card__link {
    display: contents;
  }
  .insight-grid > div:last-child .insight-card__media {
    aspect-ratio: auto;
    min-height: 250px;
  }
  .cta-band__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 34px;
  }
  .cta-band__actions {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
  .site-footer__top {
    grid-template-columns: 1.4fr repeat(2, minmax(0, 1fr));
  }
  .site-footer__contact {
    grid-column: span 3;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding-top: 20px;
    border-top: 1px solid rgba(10, 30, 60, 0.07);
  }
  .site-footer__contact h3 {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
    --radius-lg: 22px;
  }
  .demo-strip__inner {
    min-height: 38px;
    font-size: 9.5px;
  }
  .demo-strip__text {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .hero {
    min-height: 860px;
  }
  .hero__inner {
    align-items: flex-start;
    padding-top: 62px;
    padding-bottom: 30px;
  }
  .hero__copy {
    max-width: 100%;
  }
  .hero__title {
    font-size: clamp(2.7rem, 11vw, 3.6rem);
    line-height: 0.95;
  }
  .hero__sub {
    margin: 22px 0 28px;
    font-size: 14.5px;
    max-width: 480px;
  }
  .hero__actions {
    gap: 10px;
  }
  .hero__actions .btn {
    flex: 1 1 auto;
    min-width: 0;
  }
  .hero__facts {
    display: none;
  }
  .hero__foot {
    padding-top: 16px;
    padding-bottom: 20px;
  }
  .hero__capabilities {
    display: none;
  }
  .scroll-cue {
    font-size: 8.5px;
  }
  .hero-fallback {
    top: auto;
    bottom: -12%;
    right: -14%;
    width: 84vw;
    opacity: 0.74;
  }
  .hero__vignette {
    background:
      linear-gradient(180deg, rgba(3, 6, 12, 0.3) 0%, rgba(3, 6, 12, 0.5) 38%, rgba(3, 6, 12, 0.94) 100%),
      linear-gradient(90deg, rgba(3, 6, 12, 0.7), transparent 70%);
  }
  .hero__grid {
    background-size: 48px 48px;
  }
  .marquee-band {
    padding: 14px 0;
  }
  .marquee__track {
    gap: 24px;
    padding-left: 24px;
  }
  .marquee__track span {
    font-size: 9.5px;
  }
  .section {
    padding: 72px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 34px;
  }
  .section-head__sub {
    max-width: 100%;
    font-size: 13.5px;
  }
  .section-head h2,
  .approach__copy h2 {
    font-size: clamp(2rem, 8vw, 2.7rem);
  }
  .lead {
    font-size: 15px;
  }
  .approach__points {
    margin-top: 32px;
  }
  .approach__visual {
    padding-left: 0;
    padding-bottom: 0;
  }
  .visual-frame--tall {
    aspect-ratio: 4 / 4.6;
  }
  .floating-card {
    position: relative;
    margin: -72px 18px 0;
    width: auto;
    animation: none;
  }
  .floating-card__title {
    font-size: 22px;
  }
  .product-grid,
  .product-grid--featured {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .product-card__media {
    aspect-ratio: 16 / 10;
  }
  .product-card__view {
    opacity: 1;
    transform: none;
  }
  .product-card__part {
    font-size: 17px;
  }
  .process__visual {
    min-height: 380px;
    padding: 20px;
  }
  .process-orbit {
    width: min(270px, 72%);
  }
  .process-step {
    grid-template-columns: 40px 1fr;
    gap: 8px;
    padding: 24px 0;
    opacity: 0.64;
  }
  .process-step p {
    font-size: 13px;
  }
  .capability-grid {
    grid-template-columns: 1fr;
    grid-template-areas: 'a' 'b' 'c' 'd';
  }
  .capability-card {
    min-height: 0 !important;
  }
  .capability-card--wide {
    min-height: 360px !important;
  }
  .search-demo {
    padding-top: 26px;
  }
  .insight-grid {
    grid-template-columns: 1fr;
  }
  .insight-grid > div:last-child {
    grid-column: auto;
  }
  .insight-grid > div:last-child .insight-card {
    display: block;
  }
  .insight-grid > div:last-child .insight-card__media {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }
  .cta-band {
    padding: 60px 0;
  }
  .cta-band__actions {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .cta-band h2 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }
  .site-footer {
    padding-top: 48px;
  }
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
    padding-bottom: 32px;
  }
  .site-footer__brand {
    grid-column: span 2;
  }
  .site-footer__contact {
    grid-column: span 2;
    grid-template-columns: 1fr 1fr;
    gap: 8px 20px;
  }
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 820px;
  }
  .hero__title {
    font-size: clamp(2.45rem, 12.2vw, 3.05rem);
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .brand__logo {
    height: 23px;
    max-width: 190px;
  }
  .menu-toggle {
    width: 40px;
    height: 40px;
  }
  .hero-fallback {
    width: 94vw;
    right: -20%;
    bottom: -8%;
  }
  .floating-card {
    margin-left: 8px;
    margin-right: 8px;
    margin-top: -56px;
    padding: 16px;
  }
  .floating-card__parts .part-chip:nth-child(3) {
    display: none;
  }
  .product-card__body {
    padding: 16px;
  }
  .section-head h2,
  .approach__copy h2 {
    font-size: 1.95rem;
  }
  .process__readout > .mono {
    font-size: 38px;
  }
  .process__readout p {
    font-size: 13px;
  }
  .search-demo__result > span:nth-child(2) {
    display: none;
  }
}

/* ------------------------------ reduced motion --------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .marquee__track {
    animation: none;
  }
  .hero__glow,
  .hero-fallback__board,
  .floating-card {
    animation: none !important;
  }
  .product-card,
  .product-card:hover {
    transform: none;
  }
}