:root {
  --bg-dark: #07111f;
  --bg-deep: #0b1828;
  --surface-dark: rgba(10, 20, 34, 0.82);
  --surface-dark-strong: rgba(7, 15, 27, 0.94);
  --surface-light: #ffffff;
  --surface-light-soft: #f5f7fb;
  --line-dark: rgba(255, 255, 255, 0.1);
  --line-light: rgba(17, 24, 39, 0.1);
  --text-dark: #111827;
  --text-light: #f8fafc;
  --muted-dark: #5f6b7a;
  --muted-light: rgba(248, 250, 252, 0.74);
  --brand: #153e75;
  --brand-strong: #0b2a4e;
  --green: #3f7a4a;
  --gold: #b99a45;
  --shadow-light: 0 18px 46px rgba(15, 23, 42, 0.08);
  --shadow-dark: 0 24px 60px rgba(0, 0, 0, 0.3);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --section-space: 6rem;
  --header-height: 72px;
  --anchor-gap: 20px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-display: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.62;
  letter-spacing: 0;
  color: var(--text-light);
  background: linear-gradient(180deg, #07111f 0%, #0a1727 48%, #07111f 100%);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.62), transparent 86%);
  opacity: 0.42;
}

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

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

button {
  font: inherit;
}

.section-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: var(--section-space) 0;
}

.anchor-target {
  scroll-margin-top: calc(var(--header-height) + var(--anchor-gap));
}

.section--light {
  color: var(--text-dark);
  background: linear-gradient(180deg, #f7f9fc 0%, #eef3f8 100%);
}

.section--dark {
  color: var(--text-light);
}

.section--mesh::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), transparent 34%),
    linear-gradient(315deg, rgba(63, 122, 74, 0.16), transparent 38%);
}

.section-heading {
  max-width: min(100%, 54rem);
  margin-bottom: 2.35rem;
}

.section-heading h2 {
  margin: 0.35rem 0 0.95rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3rem;
  line-height: 1.12;
  text-wrap: pretty;
}

.section-heading p:last-child {
  margin: 0;
  color: inherit;
  opacity: 0.82;
}

.section-heading--light p {
  color: var(--muted-light);
}

.section-heading--validation {
  max-width: min(100%, 78rem);
}

.no-break {
  white-space: nowrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  font-size: 0.86rem;
  letter-spacing: 0;
  font-weight: 700;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 40px;
  height: 1px;
  background: currentColor;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.card--dark {
  background: var(--surface-dark);
  border-color: var(--line-dark);
  box-shadow: var(--shadow-dark);
  backdrop-filter: blur(18px);
}

.card--light {
  background: #fff;
  border-color: var(--line-light);
  box-shadow: var(--shadow-light);
}

.card__kicker {
  margin: 0 0 0.65rem;
  font-size: 0.84rem;
  letter-spacing: 0;
  font-weight: 700;
  color: var(--gold);
}

.clean-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.35rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text-dark);
  font-weight: 700;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
  cursor: pointer;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.24);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: rgba(7, 17, 31, 0.76);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 17, 31, 0.92);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  min-width: 0;
}

.brand__logo-shell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  overflow: visible;
}

.brand__logo {
  width: 122%;
  height: 122%;
  max-width: none;
  object-fit: contain;
}

.brand__copy {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand__text {
  font-size: 1.56rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: #fff;
  white-space: nowrap;
}

.site-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted-light);
}

.site-nav a {
  position: relative;
  padding: 0.28rem 0;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active,
.site-nav a[aria-current] {
  color: #fff;
}

.site-nav__indicator {
  position: absolute;
  left: 0;
  bottom: -0.18rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--gold);
  opacity: 0;
  pointer-events: none;
  transform: translateX(0);
  transition: transform 220ms ease, width 220ms ease, opacity 180ms ease;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 0.1rem);
  padding-bottom: 2.5rem;
  overflow: hidden;
}

.hero__media,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__media img {
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  object-position: center 67%;
}

.hero__overlay {
  background:
    linear-gradient(90deg, rgba(6, 14, 31, 0.86) 0%, rgba(8, 18, 39, 0.62) 42%, rgba(8, 18, 39, 0.28) 100%),
    linear-gradient(180deg, rgba(6, 14, 31, 0.12) 0%, rgba(6, 14, 31, 0.4) 100%);
}

.hero__shell,
.hero__metrics {
  position: relative;
  z-index: 1;
}

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

.hero__shell {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 2rem;
  align-items: start;
  min-height: min(34rem, calc(100vh - var(--header-height) - 19rem));
  padding-top: 0;
}

.hero__copy {
  max-width: 44rem;
  padding-top: 0;
  margin-top: -1.35rem;
}

.hero__copy h1 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.1rem, 7vw, 5.8rem);
  line-height: 1.03;
  text-wrap: balance;
}

.hero__lead {
  max-width: 39rem;
  margin: 0;
  font-size: 1.06rem;
  color: rgba(255, 255, 255, 0.86);
}

.hero__tagline {
  margin: 0.25rem 0 0.8rem;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.8rem 0 0;
}

.hero__panel {
  display: grid;
  gap: 1rem;
  justify-self: end;
  align-self: start;
  width: min(100%, 370px);
  margin-top: -1.1rem;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 20, 42, 0.52);
  backdrop-filter: blur(14px);
}

.signal-grid span {
  display: inline-flex;
  justify-content: center;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--gold);
  font-weight: 700;
}

.hero .button {
  min-height: 50px;
  padding: 0.85rem 1.35rem;
  border-color: rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  box-shadow: 0 18px 32px rgba(16, 43, 117, 0.28);
}

.hero .button:hover,
.hero .button:focus-visible {
  box-shadow: 0 22px 36px rgba(16, 43, 117, 0.34);
}

.hero .button--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.18);
}

.hero .card--dark {
  border-radius: var(--radius-lg);
  background: rgba(7, 15, 27, 0.82);
  border-color: rgba(255, 255, 255, 0.12);
}

.panel-card {
  padding: 1.35rem;
}

.panel-card__label {
  margin: 0 0 0.8rem;
  color: var(--gold);
  font-weight: 700;
}

.panel-card__list {
  display: grid;
  gap: 0.75rem;
}

.panel-card__list li {
  display: flex;
  gap: 0.75rem;
  color: var(--muted-light);
}

.panel-card__list li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--green);
  flex: 0 0 auto;
  margin-top: 0.65rem;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.metric-card {
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius-lg);
}

.metric-card strong {
  display: block;
  font-size: clamp(2rem, 4vw, 2.7rem);
  color: #fff;
  line-height: 1;
}

.metric-card span {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted-light);
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1rem;
}

.overview-grid > .card,
.architecture-card,
.founder-panel,
.network-card,
.case-card {
  padding: 1.45rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.45rem;
}

.stat-grid strong {
  display: block;
  font-size: 1.75rem;
  color: var(--brand);
}

.stat-grid span {
  color: var(--muted-dark);
}

.architecture-card {
  display: grid;
  gap: 0.9rem;
}

.architecture-node {
  padding: 1.05rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(17, 24, 39, 0.06);
}

.architecture-node h3,
.architecture-node p,
.case-card__body h3,
.case-card__body p {
  margin: 0;
}

.architecture-node--gold {
  background: linear-gradient(135deg, rgba(185, 154, 69, 0.14), rgba(185, 154, 69, 0.05));
}

.architecture-node--blue {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.12), rgba(30, 58, 138, 0.04));
}

.architecture-node--green {
  background: linear-gradient(135deg, rgba(46, 125, 50, 0.12), rgba(46, 125, 50, 0.04));
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.architecture-note {
  margin: 0;
  color: var(--muted-dark);
}

.timeline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.68fr);
  gap: 1.55rem;
  align-items: start;
}

.timeline-list {
  --timeline-track: 68px;
  --timeline-axis: calc(var(--timeline-track) / 2);
  --timeline-gap: 1rem;
  --timeline-line-overlap: 3px;
  --timeline-node-core: 10px;
  --timeline-node-ring: 4px;
  --timeline-node-halo: 5px;
  --timeline-node-size: calc(var(--timeline-node-core) + (var(--timeline-node-ring) * 2));
  --timeline-line-width: 2px;
  position: relative;
  isolation: isolate;
  display: grid;
  gap: var(--timeline-gap);
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline-list li {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: var(--timeline-track) 120px 1fr;
  gap: 1.05rem;
  padding: 1.2rem 1.25rem 1.2rem 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 17, 30, 0.66);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  align-items: center;
  overflow: visible;
}

.timeline-list li::before,
.timeline-list li::after {
  content: "";
  position: absolute;
  left: var(--timeline-axis);
  width: var(--timeline-line-width);
  background: var(--gold);
  border-radius: 999px;
  transform: translateX(-50%);
  z-index: 1;
  pointer-events: none;
}

.timeline-list li::before {
  top: calc((var(--timeline-gap) * -0.5) - var(--timeline-line-overlap));
  bottom: calc((50% + (var(--timeline-node-size) / 2)) - var(--timeline-line-overlap));
}

.timeline-list li::after {
  top: calc((50% + (var(--timeline-node-size) / 2)) - var(--timeline-line-overlap));
  bottom: calc((var(--timeline-gap) * -0.5) - var(--timeline-line-overlap));
}

.timeline-list li:first-child::before,
.timeline-list li:last-child::after {
  display: none;
}

.timeline-marker {
  grid-column: 1;
  justify-self: center;
  align-self: center;
  position: relative;
  width: calc(var(--timeline-node-core) + (var(--timeline-node-ring) * 2));
  height: calc(var(--timeline-node-core) + (var(--timeline-node-ring) * 2));
  border: var(--timeline-node-ring) solid var(--gold);
  border-radius: 50%;
  background: var(--bg-dark);
  box-shadow: 0 0 0 var(--timeline-node-halo) rgba(198, 164, 63, 0.08);
  z-index: 3;
}

.timeline-marker::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--bg-dark);
}

.timeline-year {
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  min-width: 112px;
  padding: 0.68rem 0.95rem;
  border-radius: 999px;
  background: rgba(185, 154, 69, 0.13);
  color: var(--gold);
  font-weight: 700;
  font-size: 0.9rem;
}

.timeline-list li > div {
  grid-column: 3;
  align-self: center;
}

.timeline-list h3,
.timeline-list p {
  margin: 0;
}

.timeline-list p {
  color: var(--muted-light);
}

.timeline-side {
  position: sticky;
  top: calc(var(--header-height) + 1.4rem);
  display: grid;
  gap: 0.95rem;
}

.image-card {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-dark-strong);
  box-shadow: var(--shadow-dark);
}

.image-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-card--large {
  aspect-ratio: 1 / 1;
  min-height: 0;
}

.quote-card {
  margin: 0;
  padding: 0.15rem 0 0;
}

.quote-card__text {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  line-height: 1.72;
  color: rgba(248, 250, 252, 0.88);
}

.founder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.84fr);
  gap: 1.25rem;
  align-items: start;
}

.founder-copy h2 {
  margin: 0.35rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.7rem;
  line-height: 1.14;
  text-wrap: pretty;
  white-space: nowrap;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.35rem 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.58rem 0.82rem;
  border-radius: 999px;
  background: rgba(21, 62, 117, 0.08);
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 600;
}

.founder-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.founder-panel {
  padding: 1.25rem;
}

.founder-panel h3,
.founder-panel p {
  margin: 0;
}

.founder-panel p {
  margin-top: 0.55rem;
  color: var(--muted-dark);
}

.founder-quote {
  margin: 1.35rem 0 0;
  padding: 1.05rem 1.15rem;
  border-left: 2px solid var(--gold);
  background: rgba(185, 154, 69, 0.07);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}

.founder-media {
  position: relative;
  min-height: 690px;
  margin-top: 5.8rem;
}

.image-card--portrait {
  position: absolute;
  inset: 0 4.75rem 4.9rem 0;
  border-radius: var(--radius-xl);
}

.image-card--portrait img {
  object-position: center 54%;
}

.image-card--floating {
  position: absolute;
  right: -0.15rem;
  bottom: 0;
  width: min(60%, 340px);
  aspect-ratio: 1.18 / 0.94;
  border: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.14);
}

.image-card--floating img {
  object-position: center 58%;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.feature-card {
  padding: 1.15rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.035));
  border-color: rgba(255, 255, 255, 0.09);
}

.feature-card strong {
  display: block;
  font-size: 1.18rem;
  color: var(--gold);
}

.feature-card p {
  margin: 0.65rem 0 0;
  color: var(--muted-light);
}

#products {
  --solution-gap: 1rem;
  --solution-card-padding: 1.15rem;
  --solution-media-gap: 0.85rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--solution-gap);
  margin-top: var(--solution-gap);
}

.product-card {
  padding: var(--solution-card-padding);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.036));
  border-color: rgba(255, 255, 255, 0.1);
}

.product-card__media {
  height: 380px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card__media--stack {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: stretch;
}

.product-card__poster {
  object-position: center center;
}

.product-card__copy {
  display: grid;
  align-content: start;
  gap: 0.82rem;
}

.product-card__copy h3 {
  margin: 0;
  font-size: 1.42rem;
  line-height: 1.28;
}

.product-card__copy p {
  margin: 0;
  color: var(--muted-light);
  line-height: 1.72;
}

.product-points {
  display: grid;
  gap: 0.66rem;
  margin-top: 0;
}

.product-points li {
  display: flex;
  gap: 0.75rem;
}

.product-points li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.65rem;
  border-radius: 50%;
  background: var(--gold);
  flex: 0 0 auto;
}

.tech-showcase {
  display: grid;
  gap: var(--solution-gap);
  margin-top: var(--solution-gap);
  align-items: start;
}

.tech-showcase__media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--solution-gap);
  min-width: 0;
  align-items: stretch;
}

.tech-showcase__screen,
.tech-showcase__video {
  display: grid;
  gap: var(--solution-media-gap);
  padding: var(--solution-card-padding);
  align-content: start;
  min-width: 0;
  width: 100%;
  margin: 0;
}

.tech-showcase__copy {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: start;
  align-content: start;
  gap: 1.6rem;
  padding: 1.45rem;
  min-width: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035));
}

.tech-showcase__intro {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.tech-showcase__copy h3,
.mission-card h3 {
  margin: 0;
  font-size: 1.42rem;
  line-height: 1.28;
}

.tech-showcase__copy p {
  margin: 0;
  color: var(--muted-light);
  line-height: 1.75;
}

.tech-showcase__screen img,
.tech-showcase__screen video,
.tech-showcase__video video {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.tech-showcase__screen figcaption,
.tech-showcase__video figcaption {
  margin: 0;
  color: var(--muted-light);
  font-size: 0.92rem;
}

.tech-showcase__flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.tech-step {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  min-height: 100%;
  padding: 0.78rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.045);
}

.tech-step__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 999px;
  background: rgba(185, 154, 69, 0.14);
  color: var(--gold);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0;
}

.tech-step strong {
  display: block;
  color: #fff;
  font-size: 1rem;
}

.tech-step p {
  margin-top: 0.22rem;
}

.tech-showcase__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.58rem;
  margin-top: 0.25rem;
}

.tech-showcase__highlights span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.5rem 0.82rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
}

.network-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.network-card h3,
.network-card p,
.mission-card p {
  margin: 0;
}

.network-card--blue {
  background:
    linear-gradient(180deg, rgba(21, 62, 117, 0.1) 0%, rgba(255, 255, 255, 0.96) 100%);
}

.network-card--gold {
  background:
    linear-gradient(180deg, rgba(185, 154, 69, 0.13) 0%, rgba(255, 255, 255, 0.96) 100%);
}

.network-card--green {
  background:
    linear-gradient(180deg, rgba(63, 122, 74, 0.12) 0%, rgba(255, 255, 255, 0.96) 100%);
}

.pathway {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-top: 0.95rem;
  padding: 1rem 1.15rem;
}

.pathway strong {
  margin-right: 0.5rem;
  color: var(--brand);
}

.pathway span {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.58rem 0.82rem;
  border-radius: 999px;
  background: rgba(21, 62, 117, 0.07);
  color: var(--text-dark);
}

.pathway span:not(:last-child)::after {
  content: "";
  width: 1.8rem;
  height: 1px;
  background: rgba(30, 58, 138, 0.18);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.case-card {
  display: grid;
  gap: 0.9rem;
}

.case-card img {
  aspect-ratio: 1.3 / 1;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.case-card__body p {
  margin-top: 0.55rem;
  color: var(--muted-dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0;
}

.gallery-strip {
  margin-top: 1.2rem;
  padding: 1.05rem;
  border-radius: var(--radius-xl);
}

.gallery-card {
  position: relative;
  margin: 0;
  aspect-ratio: 0.96 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(7, 17, 38, 0.06);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-card figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.86rem 0.9rem;
  background: linear-gradient(180deg, transparent, rgba(7, 17, 38, 0.84));
  color: #fff;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.advantage-card,
.mission-card {
  padding: 1.2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.068), rgba(255, 255, 255, 0.034));
}

.advantage-card h3 {
  margin: 0;
  color: #fff;
}

.advantage-card p {
  margin: 0.7rem 0 0;
  color: var(--muted-light);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.15rem;
}

.mission-card p {
  margin-top: 0.65rem;
  color: var(--muted-light);
}

.cta-shell {
  display: grid;
  gap: 1.65rem;
}

.cta-copy {
  max-width: min(100%, 58rem);
  margin-bottom: 0.25rem;
}

.cta-copy h2 {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3rem;
  line-height: 1.14;
}

.cta-copy__lead {
  max-width: 52rem;
  margin: 0.95rem 0 0;
  color: var(--muted-dark);
  font-size: 1rem;
}

.cta-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(210px, 260px);
  gap: 0;
  align-items: stretch;
  padding: 0;
  border-radius: var(--radius-xl);
  text-align: left;
  background: var(--surface-light);
  border: 1px solid rgba(17, 24, 39, 0.1);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.cta-card__info {
  display: grid;
  align-content: center;
  gap: 1.1rem;
  padding: 1.45rem 1.6rem;
}

.cta-card__qr {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.58rem;
  width: 100%;
  margin-left: auto;
  padding: 1.15rem 1.4rem;
  text-align: center;
  background: #fff;
  border-left: 1px solid rgba(17, 24, 39, 0.08);
}

.cta-card__qr-label {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--brand);
}

.cta-card__qr-link {
  display: block;
  width: min(100%, 168px);
  padding: 0.55rem;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid rgba(17, 24, 39, 0.1);
  box-shadow: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.cta-card__qr-link:hover {
  transform: translateY(-2px);
}

.cta-card__qr-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.cta-card__qr-text {
  margin: 0;
  max-width: 13rem;
  color: var(--muted-dark);
  font-size: 0.88rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.cta-card__headline {
  display: grid;
  gap: 0.55rem;
  max-width: 52rem;
}

.cta-card__headline h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.22;
  color: var(--text-dark);
  text-wrap: pretty;
}

.cta-card__headline p {
  margin: 0;
  max-width: 100%;
  color: var(--muted-dark);
}

.cta-contact-list {
  display: grid;
  border-top: 1px solid rgba(17, 24, 39, 0.1);
}

.cta-contact-item {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1.1rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
  background: transparent;
}

.cta-contact-item__key {
  display: inline-flex;
  align-items: center;
  color: var(--muted-dark);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
}

.cta-contact-item__value {
  display: flex;
  align-items: center;
  min-width: 0;
  color: var(--text-dark);
  font-size: 1.08rem;
  line-height: 1.6;
  text-wrap: pretty;
}

.cta-contact-item--address .cta-contact-item__value {
  font-size: 1rem;
}

.cta-contact-item a {
  transition: color 180ms ease;
}

.cta-contact-item a:hover {
  color: var(--brand-strong);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button--brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(16, 43, 117, 0.22);
  transition: transform 180ms ease, box-shadow 180ms ease;
  cursor: pointer;
}

.button--brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(16, 43, 117, 0.28);
}

.button--brand-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--line-light);
  background: rgba(30, 58, 138, 0.06);
  color: var(--brand);
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease;
  cursor: pointer;
}

.button--brand-outline:hover {
  transform: translateY(-2px);
  background: rgba(30, 58, 138, 0.1);
}

.site-footer {
  padding: 0 0 2.35rem;
  color: var(--text-dark);
}

.site-footer .section-shell {
  padding: 2rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__signals {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.62rem;
  margin-top: 0.35rem;
  padding: 0.2rem 0;
}

.site-footer__signals span {
  display: inline-flex;
  align-items: center;
  padding: 0.62rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.84);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 0.68rem;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  font-size: 0.92rem;
}

.site-footer__bottom p {
  margin: 0;
  order: 3;
  font-size: 0.84rem;
  font-weight: 400;
  letter-spacing: 0;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  justify-content: center;
  gap: 0.7rem 1rem;
  order: 1;
}

.site-footer__meta span {
  position: relative;
  font-size: 0.84rem;
  font-weight: 400;
}

.site-footer__meta span:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -0.62rem;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-50%);
}

.site-footer__record {
  order: 2;
  width: 100%;
  margin: 0;
  display: inline-flex;
  justify-content: center;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.64);
}

[data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity 680ms ease, transform 680ms ease;
}

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

@media (max-width: 1100px) {
  .feature-grid,
  .advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

}

@media (max-width: 960px) {
  :root {
    --header-height: 74px;
  }

  .brand {
    gap: 0.58rem;
  }

  .brand__logo-shell {
    width: 37px;
    height: 37px;
    flex-basis: 37px;
  }

  .brand__text {
    font-size: 1.48rem;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0.15rem;
    padding: 0.75rem;
    border-radius: 18px;
    background: rgba(7, 17, 38, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-dark);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.8rem 0.9rem;
    border-radius: 12px;
  }

  .site-nav__indicator {
    display: none;
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.05);
  }

  .hero__shell,
  .overview-grid,
  .timeline-grid,
  .founder-grid,
  .product-grid,
  .tech-showcase,
  .network-grid,
  .case-grid,
  .mission-grid,
  .cta-card {
    grid-template-columns: 1fr;
    display: grid;
  }

  .tech-showcase__copy,
  .tech-showcase__media-grid,
  .tech-showcase__flow {
    grid-template-columns: 1fr;
  }

  .hero__metrics,
  .founder-panels {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 0.7rem);
  }

  .hero__panel {
    justify-self: stretch;
    width: 100%;
    margin-top: 0;
  }

  .hero__shell {
    min-height: auto;
    gap: 1.4rem;
  }

  .hero__copy {
    margin-top: 0;
  }

  .founder-media {
    margin-top: 0;
    min-height: auto;
    display: grid;
    gap: 1rem;
  }

  .founder-copy h2 {
    white-space: normal;
  }

  .cta-card {
    padding: 1rem;
  }

  .cta-card__qr {
    max-width: 320px;
    margin: 0 auto;
  }

  .image-card--portrait,
  .image-card--floating {
    position: static;
    width: 100%;
    aspect-ratio: auto;
  }

  .image-card--portrait {
    min-height: 360px;
  }

  .image-card--floating {
    border-width: 0;
    aspect-ratio: auto;
  }

  .gallery-card figcaption {
    padding: 0.9rem 0.95rem;
  }

  .feature-grid,
  .advantage-grid,
  .case-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .section-heading--validation h2 {
    white-space: normal;
    width: auto;
    max-width: 100%;
    display: block;
  }

  .cta-card__qr {
    border-left: 0;
    border-top: 1px solid rgba(17, 24, 39, 0.08);
  }

  .timeline-list {
    --timeline-track: 56px;
  }

  .timeline-list li {
    grid-template-columns: var(--timeline-track) minmax(0, 1fr);
    gap: 0.85rem 1rem;
    padding: 1.25rem 1rem 1.25rem 0;
    align-items: start;
  }

  .timeline-marker {
    grid-row: 1 / span 2;
    align-self: center;
  }

  .timeline-year {
    width: fit-content;
    grid-column: 2;
  }

  .timeline-list li > div {
    grid-column: 2;
  }

  .timeline-side {
    position: static;
  }

  .product-card__media--stack {
    grid-template-columns: 1fr;
    height: auto;
  }

  .product-card__media--stack img {
    min-height: 220px;
  }
}

@media (max-width: 640px) {
  .section-shell {
    width: min(100% - 1.25rem, 1180px);
  }

  .brand__text {
    font-size: 1.38rem;
  }

  .brand__logo-shell {
    width: 35px;
    height: 35px;
    flex-basis: 35px;
  }

  .hero__copy h1 {
    font-size: 3.1rem;
  }

  .button,
  .button--secondary {
    width: 100%;
  }

  .cta-card {
    padding: 0;
    border-radius: var(--radius-xl);
  }

  .cta-copy__lead {
    font-size: 0.96rem;
  }

  .cta-contact-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0.95rem;
  }

  .cta-contact-item__key {
    justify-self: start;
  }

  .cta-contact-item__value {
    font-size: 1rem;
  }

  .cta-card__qr {
    max-width: none;
    padding: 1rem;
  }

  .cta-card__qr-link {
    width: min(100%, 190px);
  }

  .founder-media .image-card {
    min-height: 0;
  }

  .founder-media .image-card img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  .case-card img {
    aspect-ratio: auto;
    max-height: none;
    object-fit: contain;
  }

  .gallery-strip {
    padding: 1.1rem;
  }

  .gallery-card {
    aspect-ratio: auto;
    overflow: visible;
    border-radius: 0;
    background: transparent;
  }

  .gallery-card img {
    height: auto;
    aspect-ratio: auto;
    border-radius: var(--radius-md);
    object-fit: contain;
  }

  .gallery-card figcaption {
    position: static;
    padding: 0.75rem 0.2rem 0;
    background: none;
    border-radius: 0;
    color: var(--text-dark);
  }

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

  .pathway {
    align-items: stretch;
  }

  .pathway span {
    width: 100%;
    justify-content: center;
  }

  .pathway span::after {
    display: none;
  }

  .site-footer__bottom {
    align-items: center;
  }

  .site-footer__signals span {
    width: 100%;
    justify-content: center;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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