:root {
  --bg: #08162f;
  --bg-soft: rgba(16, 34, 64, 0.54);
  --panel: rgba(16, 32, 60, 0.48);
  --panel-strong: rgba(10, 24, 48, 0.74);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(113, 179, 255, 0.4);
  --text: #f7fbff;
  --muted: #a8bdd9;
  --muted-strong: #deebfb;
  --accent: #67a8ff;
  --accent-strong: #387ff0;
  --accent-2: #75e8ff;
  --shadow: 0 18px 44px rgba(10, 28, 58, 0.14);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 5px;
  --nav-height: 64px;
  --content-width: min(1360px, calc(100vw - 48px));
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #eff4fa;
  color: #102038;
  font-family: "IBM Plex Sans", "Noto Sans TC", "Noto Sans SC", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 16% 18%, rgba(101, 150, 255, 0.38), transparent 24%),
    radial-gradient(circle at 78% 20%, rgba(117, 232, 255, 0.18), transparent 20%),
    radial-gradient(circle at 70% 72%, rgba(87, 127, 255, 0.14), transparent 22%),
    linear-gradient(180deg, #14325f 0%, #0d2243 48%, #08152b 100%);
  z-index: -2;
}

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

canvas {
  display: block;
}

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  filter: blur(72px);
}

.page-shell::before {
  top: 12vh;
  left: -12vw;
  width: 34vw;
  height: 34vw;
  background: rgba(85, 135, 255, 0.24);
}

.page-shell::after {
  right: -10vw;
  bottom: 16vh;
  width: 28vw;
  height: 28vw;
  background: rgba(117, 232, 255, 0.18);
}

.site-header,
.section,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  isolation: isolate;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  width: 100%;
  min-height: var(--nav-height);
  margin: 0;
  padding:
    10px
    max(24px, calc((100vw - 1360px) / 2))
    12px;
  color: var(--text);
  backdrop-filter: blur(12px) saturate(115%);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  border-bottom: 1px solid rgba(170, 216, 255, 0.18);
  border-bottom-color: rgba(170, 216, 255, 0.28);
  background:
    linear-gradient(180deg, rgba(14, 34, 66, 0.82), rgba(10, 24, 46, 0.62)),
    rgba(12, 25, 47, 0.42);
  box-shadow: 0 10px 28px rgba(8, 24, 52, 0.16);
  z-index: -1;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.brand__logo {
  width: auto;
  max-width: 148px;
  height: 18px;
  object-fit: contain;
  object-position: left center;
}

.brand__mark,
.site-footer__brand {
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
}

.brand__mark {
  max-width: none;
  line-height: 1.18;
}

.brand__sub,
.site-footer__copy,
.site-nav a {
  color: var(--muted);
}

.brand__sub {
  font-size: 0.66rem;
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  gap: 24px;
}

.site-nav a {
  position: relative;
  padding-bottom: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: rgba(124, 188, 255, 0.92);
  opacity: 0;
  transition: opacity 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  opacity: 1;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.language-switcher__label {
  color: rgba(210, 221, 243, 0.56);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.language-switcher__select {
  min-width: 86px;
  padding: 7px 30px 7px 12px;
  border: 1px solid rgba(170, 216, 255, 0.2);
  border-radius: 6px;
  background-color: #102343;
  background:
    linear-gradient(180deg, rgba(20, 43, 82, 0.9), rgba(11, 25, 48, 0.8));
  color: var(--text);
  color-scheme: dark;
  cursor: pointer;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(210, 221, 243, 0.82) 50%),
    linear-gradient(135deg, rgba(210, 221, 243, 0.82) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) calc(50% - 2px),
    calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.language-switcher__select option {
  background-color: #0c1728;
  color: #eff5ff;
}

.language-switcher__select:hover,
.language-switcher__select:focus-visible {
  outline: none;
  border-color: rgba(171, 205, 255, 0.44);
  box-shadow: 0 0 0 3px rgba(137, 240, 255, 0.08);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 62vh;
  padding:
    clamp(86px, 11vh, 104px)
    calc((100vw - var(--content-width)) / 2)
    28px;
  color: var(--text);
  background: linear-gradient(180deg, rgba(9, 23, 47, 0.26), rgba(8, 21, 42, 0.06));
}

.tech-canvas,
.tech-grid,
.tech-rings {
  position: absolute;
  inset: 0;
}

.tech-canvas {
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.72;
}

.tech-grid {
  background:
    linear-gradient(rgba(133, 176, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(133, 176, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.9) 18%, rgba(0, 0, 0, 1) 100%);
  opacity: 0.08;
}

.tech-rings {
  pointer-events: none;
}

.tech-rings__ring {
  position: absolute;
  border: 1px solid rgba(125, 179, 255, 0.16);
  border-radius: 50%;
  box-shadow: inset 0 0 18px rgba(96, 148, 255, 0.08);
}

.tech-rings__ring::after {
  content: "";
  position: absolute;
  inset: 10%;
  border: 1px dashed rgba(126, 219, 255, 0.07);
  border-radius: 50%;
}

.tech-rings__ring--one {
  width: 260px;
  height: 260px;
  right: 9%;
  top: 21%;
  opacity: 0.42;
  animation: ringFloat 22s linear infinite;
}

.tech-rings__ring--two {
  width: 140px;
  height: 140px;
  right: 22%;
  bottom: 14%;
  opacity: 0.28;
  animation: ringFloatReverse 18s linear infinite;
}

.tech-rings__ring--three {
  width: 88px;
  height: 88px;
  left: 8%;
  top: 28%;
  opacity: 0.12;
  animation: ringPulse 9s ease-in-out infinite;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 24% 30%, rgba(255, 255, 255, 0.05), transparent 24%),
    linear-gradient(106deg, rgba(7, 18, 36, 0.5), rgba(15, 40, 80, 0.1)),
    linear-gradient(180deg, rgba(8, 21, 42, 0.04) 0%, rgba(8, 21, 42, 0.4) 68%, rgba(8, 21, 42, 0.72) 100%);
}

.hero__aurora {
  position: absolute;
  inset: auto auto 14% 56%;
  width: 24rem;
  height: 24rem;
  background:
    radial-gradient(circle at 40% 40%, rgba(117, 232, 255, 0.2), transparent 40%),
    radial-gradient(circle at 60% 60%, rgba(77, 123, 255, 0.18), transparent 58%);
  filter: blur(58px);
  opacity: 0.72;
}

.hero__content,
.hero__tags,
.hero__stats {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 640px;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 980px;
  margin-top: 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(160, 214, 255, 0.22);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(25, 49, 91, 0.62), rgba(11, 24, 46, 0.48)),
    rgba(10, 24, 46, 0.28);
  color: rgba(247, 251, 255, 0.9);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-family: var(--mono);
  white-space: nowrap;
  backdrop-filter: blur(10px);
}

.eyebrow {
  margin: 0 0 12px;
  color: rgba(235, 242, 255, 0.66);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.66rem;
  font-weight: 600;
  font-family: var(--mono);
}

.section .eyebrow {
  color: rgba(44, 61, 85, 0.42);
}

.hero h1,
.section__heading h2,
.contact-offer h3 {
  margin: 0;
  font-family: "IBM Plex Sans", "Noto Sans TC", "Noto Sans SC", sans-serif;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.hero h1 {
  font-size: clamp(1.8rem, 2.9vw, 2.8rem);
  line-height: 1.08;
  max-width: 13ch;
  text-wrap: balance;
}

.hero__lead,
.section__lead,
.product-card__summary,
.product-card__body p,
.pillar-card p,
.heritage-panel__caption,
.contact-form__note,
.contact-form__status {
  color: var(--muted);
}

.hero__lead {
  max-width: 52ch;
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.68;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  border-color: rgba(150, 210, 255, 0.18);
  background: linear-gradient(135deg, rgba(75, 132, 255, 0.82), rgba(57, 189, 255, 0.68));
  color: var(--text);
  box-shadow: 0 10px 24px rgba(44, 108, 227, 0.22);
  backdrop-filter: blur(10px);
}

.button--ghost {
  border-color: rgba(170, 216, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
}

.button--wide {
  width: 100%;
}

.hero__stats,
.signal-grid,
.sector-grid,
.product-grid,
.pillar-grid,
.contact-offers {
  display: grid;
}

.hero__stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 22px;
  max-width: 760px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(10, 18, 31, 0.16), rgba(10, 18, 31, 0.08));
  backdrop-filter: blur(12px);
}

.hero-stat,
.signal-card,
.sector-card,
.product-card,
.pillar-card,
.contact-offer,
.contact-form,
.contact-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(22, 36, 58, 0.26), rgba(7, 15, 27, 0.52)),
    rgba(5, 11, 20, 0.2);
  backdrop-filter: blur(16px) saturate(118%);
  box-shadow: var(--shadow);
}

.signal-card::before,
.sector-card::before,
.product-card::before,
.pillar-card::before,
.contact-offer::before,
.contact-form::before,
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.hero-stat {
  padding: 12px 16px 10px;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.hero-stat:first-child {
  border-left: 0;
}

.hero-stat__value {
  display: block;
  margin-bottom: 5px;
  font-size: 0.96rem;
  font-weight: 600;
  font-family: var(--mono);
}

.hero-stat__label,
.signal-card p,
.sector-card__count,
.product-card__category,
.product-card__body h4,
.pillar-card h3,
.contact-offer__eyebrow {
  color: var(--muted-strong);
}

.hero-stat__label,
.sector-card__count,
.contact-offer__eyebrow {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.64rem;
  font-family: var(--mono);
}

.section {
  width: var(--content-width);
  margin: 0 auto;
  padding: 76px 0;
}

.section--intro,
.section--solutions,
.section--consulting,
.section--sectors,
.section--proof,
.section--products,
.section--stories,
.section--heritage,
.section--contact {
  --text: #111827;
  --muted: #5e6b7f;
  --muted-strong: #2c3d55;
  --line: rgba(15, 23, 38, 0.08);
  --line-strong: rgba(76, 108, 156, 0.18);
  color: var(--text);
  backdrop-filter: blur(2px);
}

.section--intro::before,
.section--solutions::before,
.section--consulting::before,
.section--sectors::before,
.section--proof::before,
.section--products::before,
.section--stories::before,
.section--heritage::before,
.section--contact::before,
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 calc((100vw - var(--content-width)) / -2);
  z-index: -1;
}

.section--solutions::before,
.section--stories::before,
.section--contact::before {
  background: #fdfefe;
}

.section--intro::before,
.section--products::before,
.section--consulting::before,
.section--proof::before,
.section--sectors::before,
.section--heritage::before,
.site-footer::before {
  background: #ecf3fa;
}

.section__heading {
  position: relative;
  max-width: 820px;
  padding-top: 16px;
  margin-bottom: 34px;
}

.section__heading::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 1px;
  background: linear-gradient(90deg, rgba(48, 81, 124, 0.78), rgba(48, 81, 124, 0.1));
}

.section__heading h2 {
  font-size: clamp(1.32rem, 2vw, 1.92rem);
  line-height: 1.16;
  max-width: 16ch;
}

html[data-lang-group="cjk"] .hero h1 {
  max-width: 11.4em;
  line-height: 1.12;
  letter-spacing: -0.04em;
  font-family: "Noto Sans TC", "Noto Sans SC", sans-serif;
  font-weight: 700;
}

html[data-lang-group="cjk"] .section__heading h2 {
  max-width: 15ch;
  line-height: 1.16;
  letter-spacing: -0.03em;
  font-family: "Noto Sans TC", "Noto Sans SC", sans-serif;
  font-weight: 700;
}

.section__lead {
  max-width: 690px;
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.signal-grid {
  grid-template-columns: 1fr;
  gap: 0;
}

.architecture-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.architecture-step {
  min-height: 176px;
  padding: 22px 20px;
  border: 1px solid rgba(18, 31, 51, 0.07);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(247, 249, 252, 0.96)),
    rgba(255, 255, 255, 0.95);
  box-shadow:
    0 18px 34px rgba(16, 36, 74, 0.07),
    0 2px 10px rgba(16, 36, 74, 0.04);
}

.architecture-step h3,
.sector-card h3,
.product-card h3 {
  margin: 0 0 10px;
  font-size: 0.96rem;
  line-height: 1.3;
}

.architecture-step h3,
.sector-card h3,
.product-card h3,
.contact-offer h3 {
  font-weight: 700;
}

.architecture-step p,
.sector-card p,
.product-card__body li,
.contact-offer p {
  line-height: 1.75;
}

.sector-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.sector-card {
  padding: 18px;
  min-height: 228px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px) saturate(106%);
}

.sector-card__count {
  display: inline-block;
  margin-bottom: 16px;
}

.sector-card h3 {
  margin-top: 0;
  font-size: 0.98rem;
}

.sector-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.sector-tag,
.product-card__category {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border: 1px solid rgba(77, 118, 182, 0.16);
  border-radius: 4px;
  background: rgba(77, 118, 182, 0.06);
  font-size: 0.68rem;
}

.product-grid {
  grid-template-columns: 1fr;
  gap: 14px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.solution-card {
  grid-column: span 3;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(244, 248, 253, 0.96)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 36px rgba(16, 36, 74, 0.08);
}

.solution-card:nth-child(1) {
  grid-column: span 7;
}

.solution-card:nth-child(2) {
  grid-column: span 5;
}

.solution-card:nth-child(3),
.solution-card:nth-child(4) {
  grid-column: span 6;
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--solution-accent, 77, 118, 182), 0.82), rgba(var(--solution-accent, 77, 118, 182), 0.06));
}

.solution-card__visual {
  position: relative;
  min-height: 220px;
  padding: 18px;
  overflow: hidden;
  border-bottom: 1px solid rgba(18, 31, 51, 0.08);
  background:
    linear-gradient(135deg, rgba(18, 42, 77, 0.98), rgba(31, 65, 116, 0.9));
  isolation: isolate;
}

.solution-card:nth-child(1) .solution-card__visual {
  min-height: 248px;
}

.solution-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.01);
  z-index: -2;
}

.solution-card__visual::before {
  content: none;
}

.solution-card__visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(180deg, rgba(8, 20, 40, 0), rgba(8, 20, 40, 0.2));
  z-index: -1;
}

.solution-card__badge,
.solution-card__ghost {
  position: relative;
  z-index: 1;
}

.solution-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  border: 1px solid rgba(171, 205, 255, 0.18);
  border-radius: 999px;
  background: rgba(8, 15, 27, 0.18);
  color: rgba(239, 245, 255, 0.82);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  font-family: var(--mono);
  white-space: nowrap;
}

.solution-card__ghost {
  position: absolute;
  left: 18px;
  bottom: 18px;
  color: rgba(239, 245, 255, 0.24);
  font-size: 1.02rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.solution-card__body {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 18px;
}

.solution-card__eyebrow {
  margin: 0 0 10px;
  color: var(--muted-strong);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.solution-card__body h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.32;
  font-weight: 600;
}

.solution-card:nth-child(1) .solution-card__body h3 {
  font-size: 1.18rem;
}

.solution-card__summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.solution-card:nth-child(1) .solution-card__summary {
  max-width: 46ch;
}

.solution-card__list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.72;
}

.solution-card__list li + li {
  margin-top: 7px;
}

.solution-card--semiconductor {
  --solution-accent: 84, 160, 255;
}

.solution-card--materials {
  --solution-accent: 73, 202, 216;
}

.solution-card--industrial {
  --solution-accent: 109, 150, 255;
}

.solution-card--energy {
  --solution-accent: 82, 188, 236;
}

.consulting-grid,
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.consulting-card,
.proof-card {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.95)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 36px rgba(16, 36, 74, 0.08);
}

.consulting-card::before,
.proof-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, rgba(82, 126, 214, 0.82), rgba(82, 126, 214, 0.06));
}

.consulting-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.consulting-card__step {
  color: var(--muted-strong);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.consulting-card__line {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(82, 126, 214, 0.32), rgba(82, 126, 214, 0));
}

.consulting-card h3,
.proof-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.04rem;
  line-height: 1.38;
}

.consulting-card p,
.proof-card__body {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.72;
}

.proof-card__copy {
  display: grid;
  gap: 10px;
}

.proof-card__eyebrow {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.proof-card__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(18, 31, 51, 0.08);
}

.proof-metric {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid rgba(82, 126, 214, 0.12);
  border-radius: 8px;
  background: rgba(82, 126, 214, 0.05);
}

.proof-metric__value {
  color: var(--text);
  font-size: 1.14rem;
  line-height: 1;
  font-weight: 600;
}

.proof-metric__label {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.product-workspace {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px) saturate(106%);
  box-shadow: var(--shadow);
}

.product-workspace::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(77, 118, 182, 0.82), rgba(77, 118, 182, 0.06));
}

.product-tabs,
.product-stage {
  position: relative;
  z-index: 1;
}

.product-tabs {
  display: grid;
  gap: 12px;
}

.product-tab {
  position: relative;
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 14px 16px 14px 18px;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 8px;
  background: rgba(246, 249, 253, 0.84);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.product-tab:hover,
.product-tab:focus-visible {
  outline: none;
  transform: translateX(2px);
  border-color: rgba(77, 118, 182, 0.24);
  box-shadow: 0 10px 22px rgba(19, 34, 58, 0.06);
}

.product-tab::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: transparent;
  transition: background 180ms ease;
}

.product-tab.is-active {
  border-color: rgba(77, 118, 182, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 28px rgba(15, 23, 38, 0.08);
}

.product-tab.is-active::before {
  background: linear-gradient(180deg, rgba(77, 118, 182, 0.96), rgba(77, 118, 182, 0.24));
}

.product-tab__title {
  margin: 0;
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.32;
  font-weight: 600;
}

.module-page__eyebrow {
  color: var(--muted-strong);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.product-tab__summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.62;
}

.product-stage {
  perspective: 1600px;
}

.module-page {
  min-height: 100%;
  padding: 22px 22px 18px;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 34px rgba(15, 23, 38, 0.08);
  transform-origin: left center;
  animation: pageFlipForward 520ms cubic-bezier(0.2, 0.74, 0.18, 1);
}

.module-page.is-backward {
  transform-origin: right center;
  animation-name: pageFlipBackward;
}

.module-page__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.module-page__eyebrow {
  margin: 0 0 8px;
}

.module-page__title {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
}

.module-page__caption {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.64;
  max-width: 56ch;
}

.module-matrix {
  display: grid;
  gap: 0;
}

.module-matrix__head,
.module-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr) minmax(0, 0.9fr) minmax(0, 0.95fr);
  gap: 16px;
}

.module-matrix__head {
  padding: 0 0 10px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
  border-bottom: 1px solid rgba(77, 118, 182, 0.16);
}

.module-row {
  padding: 14px 0;
  border-bottom: 1px solid rgba(18, 31, 51, 0.08);
}

.module-row:last-child {
  border-bottom: 0;
}

.module-row__module h3 {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.3;
}

.module-row__module p,
.module-row__section p,
.module-row__section li {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.68;
}

.module-row__module p {
  margin: 8px 0 0;
}

.module-row__section ul {
  margin: 0;
  padding-left: 18px;
}

.module-row__section li + li {
  margin-top: 6px;
}

.module-row__section p {
  margin: 0;
}

.module-row__label {
  display: none;
  margin-bottom: 8px;
  color: var(--muted-strong);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.story-card,
.team-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px) saturate(106%);
  box-shadow: var(--shadow);
}

.story-card {
  display: grid;
  gap: 18px;
  min-height: 360px;
  padding: 18px;
}

.story-card::before,
.team-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(77, 118, 182, 0.82), rgba(77, 118, 182, 0.06));
}

.story-card__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
}

.story-card__eyebrow,
.team-card__eyebrow {
  margin: 0 0 10px;
  color: var(--muted-strong);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.story-card__title,
.team-card__title {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.34;
  font-weight: 600;
}

.story-card__module {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  border: 1px solid rgba(77, 118, 182, 0.18);
  border-radius: 999px;
  background: rgba(77, 118, 182, 0.06);
  color: var(--muted-strong);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  font-family: var(--mono);
  white-space: nowrap;
}

.story-card__compare {
  display: grid;
  gap: 12px;
}

.story-state {
  padding: 16px;
  border-radius: 8px;
  border: 1px solid rgba(18, 31, 51, 0.08);
}

.story-state--before {
  background: rgba(244, 247, 252, 0.96);
}

.story-state--after {
  background:
    linear-gradient(180deg, rgba(243, 248, 255, 0.98), rgba(235, 243, 255, 0.96)),
    rgba(243, 248, 255, 0.94);
  border-color: rgba(77, 118, 182, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.story-state__label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted-strong);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.story-state p,
.team-card__body {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.72;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.team-card {
  display: grid;
  gap: 14px;
  min-height: 220px;
  padding: 18px;
}

.pillar-card,
.contact-offer,
.contact-form,
.contact-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px) saturate(106%);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 22px;
  align-items: start;
}

.pillar-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.pillar-card {
  padding: 16px;
  min-height: 156px;
}

.pillar-card h3 {
  margin: 0 0 14px;
  font-size: 1.1rem;
}

.pillar-card p {
  margin: 0;
  line-height: 1.72;
}

.heritage-panel {
  padding: 14px;
}

.heritage-panel--system {
  min-height: 100%;
}

.system-panel {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-radius: 8px;
  border: 1px solid rgba(18, 31, 51, 0.1);
  background:
    radial-gradient(circle at top right, rgba(96, 148, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)),
    rgba(255, 255, 255, 0.94);
  min-height: 500px;
  backdrop-filter: blur(8px) saturate(106%);
}

.system-panel::before,
.system-panel::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.system-panel::before {
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(96, 148, 255, 0.08), transparent 70%);
}

.system-panel::after {
  left: 28px;
  right: 28px;
  top: 86px;
  height: 1px;
  background: linear-gradient(90deg, rgba(18, 31, 51, 0.06), rgba(77, 118, 182, 0.2), rgba(18, 31, 51, 0.06));
}

.system-panel__header,
.system-panel__stack,
.system-panel__metrics {
  position: relative;
  z-index: 1;
}

.system-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}

.system-panel__eyebrow {
  margin: 0 0 10px;
  color: var(--muted-strong);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.system-panel__title {
  margin: 0;
  font-size: 1.24rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.system-panel__badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 9px;
  border-radius: 4px;
  border: 1px solid rgba(123, 171, 255, 0.18);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted-strong);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.system-panel__stack {
  display: grid;
  gap: 14px;
  position: relative;
  padding-left: 36px;
}

.system-flow {
  position: absolute;
  left: 14px;
  top: 14px;
  bottom: 14px;
  width: 8px;
  pointer-events: none;
  z-index: 0;
}

.system-flow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(77, 118, 182, 0.22), rgba(77, 118, 182, 0.5), rgba(77, 118, 182, 0.14));
}

.system-flow__pulse {
  position: absolute;
  left: 50%;
  top: 0;
  width: 12px;
  height: 12px;
  transform: translate(-50%, 0);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 0 0 4px rgba(77, 118, 182, 0.12),
    0 0 20px rgba(96, 148, 255, 0.28);
}

.system-layer {
  position: relative;
  z-index: 1;
  padding: 18px 18px 16px;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 10px;
  background: rgba(243, 247, 252, 0.95);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease,
    background 220ms ease;
}

.system-layer.is-active {
  border-color: rgba(77, 118, 182, 0.24);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(247, 249, 252, 0.97)),
    rgba(255, 255, 255, 0.95);
  box-shadow: 0 14px 28px rgba(18, 31, 51, 0.08);
  transform: translateX(3px);
}

.system-layer__node {
  position: absolute;
  left: -24px;
  top: 24px;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(77, 118, 182, 0.24);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 0 0 4px rgba(77, 118, 182, 0.08);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease;
}

.system-layer.is-active .system-layer__node {
  border-color: rgba(77, 118, 182, 0.52);
  box-shadow:
    0 0 0 5px rgba(77, 118, 182, 0.12),
    0 0 22px rgba(96, 148, 255, 0.18);
  background: rgba(248, 251, 255, 1);
}

.system-layer__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.system-layer__step {
  margin: 0 0 7px;
  color: var(--muted-strong);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.system-layer__name {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 600;
}

.system-layer__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  border: 1px solid rgba(77, 118, 182, 0.14);
  border-radius: 999px;
  background: rgba(77, 118, 182, 0.05);
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.system-layer__details {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.system-layer__meta,
.system-layer__level {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.62;
}

.system-layer__level {
  color: var(--muted-strong);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.system-panel__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.system-metric {
  padding: 14px 16px;
  border: 1px solid rgba(18, 31, 51, 0.08);
  border-radius: 8px;
  background: rgba(243, 247, 252, 0.95);
}

.system-metric__value {
  display: block;
  font-size: 1.08rem;
  font-weight: 600;
  font-family: var(--mono);
  color: var(--text);
}

.system-metric__label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.heritage-panel__caption {
  margin: 18px 8px 8px;
  font-size: 0.94rem;
  line-height: 1.72;
}

@keyframes ringFloat {
  from {
    transform: rotate(0deg) scale(1);
  }
  to {
    transform: rotate(360deg) scale(1.04);
  }
}

@keyframes ringFloatReverse {
  from {
    transform: rotate(360deg) scale(1);
  }
  to {
    transform: rotate(0deg) scale(0.98);
  }
}

@keyframes ringPulse {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.34;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.66;
  }
}

@keyframes pageFlipForward {
  from {
    opacity: 0;
    transform: rotateY(-14deg) translateX(18px);
  }
  to {
    opacity: 1;
    transform: rotateY(0deg) translateX(0);
  }
}

@keyframes pageFlipBackward {
  from {
    opacity: 0;
    transform: rotateY(14deg) translateX(-18px);
  }
  to {
    opacity: 1;
    transform: rotateY(0deg) translateX(0);
  }
}

.contact-card {
  padding: 20px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 18px;
  align-items: start;
}

.contact-offers {
  gap: 16px;
}

.contact-offer {
  padding: 16px;
  min-height: 140px;
}

.contact-offer__eyebrow {
  display: block;
  margin-bottom: 16px;
}

.contact-offer h3 {
  margin-bottom: 12px;
  font-size: 0.98rem;
}

.contact-offer p {
  margin: 0;
  color: var(--muted);
}

.contact-form {
  padding: 16px;
}

.contact-form label {
  display: block;
}

.contact-form label + label {
  margin-top: 16px;
}

.contact-form span {
  display: block;
  margin-bottom: 9px;
  color: var(--muted-strong);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(18, 31, 51, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 1px 2px rgba(18, 31, 51, 0.03);
  color: var(--text);
}

.contact-form textarea {
  resize: vertical;
  min-height: 132px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: transparent;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(77, 118, 182, 0.44);
  box-shadow:
    0 0 0 4px rgba(77, 118, 182, 0.08),
    0 6px 18px rgba(18, 31, 51, 0.06);
}

.contact-form__note,
.contact-form__status {
  margin: 14px 4px 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.contact-form__status {
  min-height: 1.7em;
}

.site-footer {
  --text: #111827;
  --muted: #5e6b7f;
  --muted-strong: #2c3d55;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: var(--content-width);
  margin: 0 auto;
  padding: 0 0 38px;
  color: var(--text);
}

.site-footer__copy {
  margin: 8px 0 0;
  max-width: 52ch;
  line-height: 1.7;
}

.site-footer__back {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--muted-strong);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

@media (max-width: 1140px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    padding-bottom: 10px;
  }

  .site-nav {
    grid-column: 1 / -1;
  }

  .site-header::before {
    inset: 0;
  }

  .hero__stats,
  .stories-grid,
  .sector-grid,
  .team-grid,
  .contact-grid,
  .split-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-card,
  .solution-card:nth-child(1),
  .solution-card:nth-child(2),
  .solution-card:nth-child(3),
  .solution-card:nth-child(4) {
    grid-column: auto;
  }

  .consulting-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .architecture-strip,
  .module-matrix__head,
  .module-row,
  .contact-offers,
  .system-panel__metrics {
    grid-template-columns: 1fr;
  }

  .product-workspace {
    grid-template-columns: 1fr;
  }

  .product-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module-matrix__head {
    display: none;
  }

  .module-row__label {
    display: block;
  }
}

@media (max-width: 760px) {
  :root {
    --content-width: min(100vw - 28px, 1360px);
    --nav-height: 70px;
  }

  .site-header {
    grid-template-columns: auto auto;
    gap: 10px 14px;
    padding:
      10px
      14px
      12px;
  }

  .site-nav {
    order: 3;
    grid-column: 1 / -1;
    width: 100%;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .language-switcher__label {
    display: none;
  }

  .language-switcher__select {
    min-width: 72px;
    padding: 7px 26px 7px 10px;
    background-position:
      calc(100% - 14px) calc(50% - 2px),
      calc(100% - 9px) calc(50% - 2px);
  }

  .hero {
    min-height: 56vh;
    padding-top: 96px;
  }

  .hero__tags {
    gap: 8px;
    margin-top: 20px;
  }

  .hero-tag {
    min-height: 32px;
    padding: 0 10px;
    font-size: 0.68rem;
  }

  .tech-rings__ring--one {
    width: 260px;
    height: 260px;
    right: -6%;
    top: 18%;
  }

  .tech-rings__ring--two {
    width: 160px;
    height: 160px;
    right: 14%;
    bottom: 14%;
  }

  .tech-rings__ring--three {
    width: 120px;
    height: 120px;
    left: -8%;
    top: 22%;
  }

  .hero h1 {
    max-width: 12.5ch;
    font-size: clamp(1.54rem, 6vw, 2.12rem);
  }

  html[data-lang-group="cjk"] .hero h1 {
    max-width: 10em;
    font-size: clamp(1.68rem, 6.2vw, 2.2rem);
    line-height: 1.14;
  }

  .hero__stats,
  .solution-grid,
  .stories-grid,
  .sector-grid,
  .pillar-grid,
  .team-grid,
  .consulting-grid,
  .proof-grid,
  .contact-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .architecture-strip,
  .module-row,
  .proof-card__metrics {
    grid-template-columns: 1fr;
  }

  .product-tabs {
    grid-template-columns: 1fr;
  }

  .product-workspace,
  .module-page {
    padding: 16px;
  }

  .system-panel {
    min-height: auto;
    padding: 18px;
  }

  .section {
    padding: 60px 0;
  }

  .contact-card {
    padding: 20px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}