@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;600;700&display=swap");

:root {
  --ink: #251d43;
  --ink-soft: #31264f;
  --paper: #f4f3f7;
  --paper-bright: #fbfafd;
  --mint: #31b3cf;
  --mint-bright: #69d1e4;
  --line: rgba(44, 35, 77, 0.14);
  --line-light: rgba(255, 255, 255, 0.13);
  --text-muted: #686476;
  --container: 1180px;
  --radius: 24px;
  --font-sans: "DM Sans", "Noto Sans TC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--mint);
  color: var(--ink);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  color: white;
  transition: background 250ms ease, box-shadow 250ms ease;
}

.site-header.scrolled {
  background: rgba(37, 29, 67, 0.92);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-symbol {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: white;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.13);
}

.logo-symbol img {
  display: block;
  width: 68px;
  max-width: none;
  transform: translate(-14px, -4px);
}

.logo-symbol.large {
  width: 76px;
  height: 76px;
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 12px 45px rgba(19, 12, 43, 0.25);
}

.logo-symbol.large img {
  width: 132px;
  transform: translate(-28px, -8px);
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--mint);
  font-size: 7px;
  font-weight: 600;
  letter-spacing: 0.28em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
}

.primary-nav > a:not(.nav-cta) {
  color: rgba(255, 255, 255, 0.72);
  transition: color 180ms ease;
}

.primary-nav > a:not(.nav-cta):hover {
  color: white;
}

.nav-cta {
  padding: 11px 17px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  transition: border-color 180ms ease, background 180ms ease;
}

.nav-cta:hover {
  border-color: rgba(49, 179, 207, 0.65);
  background: rgba(49, 179, 207, 0.12);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: transparent;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: white;
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 164px 0 0;
  background:
    radial-gradient(circle at 82% 30%, rgba(49, 179, 207, 0.25), transparent 32%),
    linear-gradient(135deg, #251d43 0%, #302650 55%, #201936 100%);
  color: white;
}

.hero::after {
  position: absolute;
  right: -10%;
  bottom: -35%;
  width: 75vw;
  height: 75vw;
  border: 1px solid rgba(49, 179, 207, 0.12);
  border-radius: 50%;
  content: "";
}

.hero-glow {
  position: absolute;
  top: 24%;
  right: 14%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(49, 179, 207, 0.16);
  filter: blur(80px);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: 48px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 28px;
  color: var(--mint);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.21em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 24px;
  height: 1px;
  background: currentColor;
}

.eyebrow.dark {
  color: #269ab4;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(50px, 6vw, 78px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.hero h1 em {
  color: var(--mint);
  font-style: normal;
}

.hero-lead {
  max-width: 560px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  background: var(--mint);
  box-shadow: 0 16px 40px rgba(49, 179, 207, 0.2);
  color: #161126;
}

.button-primary:hover {
  background: var(--mint-bright);
  box-shadow: 0 18px 46px rgba(49, 179, 207, 0.3);
}

.text-link {
  padding: 10px 0 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.hero-visual {
  position: relative;
  min-height: 500px;
}

.visual-grid {
  position: absolute;
  inset: 4% 0 0 5%;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle, black 25%, transparent 72%);
}

.flow-core {
  position: absolute;
  top: 50%;
  left: 52%;
  width: 255px;
  height: 255px;
  transform: translate(-50%, -50%);
}

.core-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(49, 179, 207, 0.28);
  border-radius: 50%;
}

.core-ring::before,
.core-ring::after {
  position: absolute;
  border: 1px solid rgba(49, 179, 207, 0.16);
  border-radius: 50%;
  content: "";
}

.core-ring::before {
  inset: 22px;
}

.core-ring::after {
  inset: 51px;
}

.core-center {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 106px;
  height: 106px;
  place-items: center;
  border: 1px solid rgba(49, 179, 207, 0.32);
  border-radius: 50%;
  background: rgba(40, 31, 70, 0.9);
  box-shadow: 0 0 70px rgba(49, 179, 207, 0.2), inset 0 0 30px rgba(49, 179, 207, 0.08);
  transform: translate(-50%, -50%);
}

.orbit {
  position: absolute;
  top: 50%;
  left: 52%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 350px;
  height: 350px;
}

.orbit-two {
  width: 455px;
  height: 455px;
}

.pulse-dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 16px rgba(49, 179, 207, 0.9);
}

.dot-one {
  top: 5px;
  left: 92px;
}

.dot-two {
  right: 15px;
  bottom: 58px;
}

.dot-three {
  bottom: 24px;
  left: 42px;
}

.system-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 172px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 12px;
  background: rgba(39, 30, 68, 0.82);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

.system-card small,
.system-card strong {
  display: block;
}

.system-card small {
  margin-bottom: 3px;
  color: rgba(255, 255, 255, 0.38);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.system-card strong {
  font-size: 13px;
  font-weight: 500;
}

.system-card i {
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 10px rgba(49, 179, 207, 0.7);
}

.system-icon {
  display: grid;
  width: 33px;
  height: 33px;
  place-items: center;
  border: 1px solid rgba(49, 179, 207, 0.25);
  border-radius: 8px;
  color: var(--mint);
  font-size: 9px;
}

.card-input {
  top: 20%;
  left: 0;
}

.card-output {
  right: -3%;
  bottom: 21%;
}

.status-pill {
  position: absolute;
  bottom: 4%;
  left: 42%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(37, 29, 67, 0.84);
  color: rgba(255, 255, 255, 0.52);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-pill span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 10px rgba(49, 179, 207, 0.9);
}

.trust-strip {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 68px;
  padding: 24px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-strip p {
  margin: 0;
  color: rgba(255, 255, 255, 0.44);
  font-size: 12px;
}

.trust-items {
  display: flex;
  align-items: center;
  gap: 21px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.trust-items i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--mint);
  opacity: 0.5;
}

.section {
  padding: 132px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 62px;
}

.section-heading h2,
.approach-intro h2,
.contact-card h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.24;
}

.section-heading > p {
  margin: 0 0 5px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.85;
}

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

.solution-card {
  position: relative;
  display: flex;
  min-height: 410px;
  overflow: hidden;
  flex-direction: column;
  justify-content: space-between;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.3);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.solution-card:hover {
  border-color: rgba(49, 179, 207, 0.38);
  box-shadow: 0 24px 60px rgba(44, 35, 77, 0.1);
  transform: translateY(-6px);
}

.solution-card.featured {
  background: var(--ink-soft);
  color: white;
}

.solution-card.featured::after {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(49, 179, 207, 0.2);
  border-radius: 50%;
  content: "";
}

.card-number {
  color: #7c778b;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.featured .card-number {
  color: rgba(255, 255, 255, 0.38);
}

.card-icon {
  position: absolute;
  top: 70px;
  left: 50%;
  width: 120px;
  height: 120px;
  transform: translateX(-50%);
}

.icon-flow {
  border: 1px solid rgba(49, 179, 207, 0.22);
  border-radius: 50%;
}

.icon-flow::before,
.icon-flow::after,
.icon-flow span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 18px rgba(49, 179, 207, 0.42);
  content: "";
}

.icon-flow::before {
  transform: translate(-48px, -6px);
}

.icon-flow::after {
  transform: translate(36px, -6px);
}

.icon-flow span:first-child {
  transform: translate(-6px, -48px);
}

.icon-flow span:nth-child(2) {
  width: 32px;
  height: 32px;
  border: 8px solid rgba(49, 179, 207, 0.18);
  background: transparent;
  transform: translate(-16px, -16px);
}

.icon-flow span:last-child {
  width: 84px;
  height: 84px;
  border: 1px dashed rgba(49, 179, 207, 0.28);
  background: transparent;
  box-shadow: none;
  transform: translate(-42px, -42px);
}

.icon-data {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

.icon-data span {
  width: 10px;
  border-radius: 5px 5px 0 0;
  background: #31b3cf;
}

.icon-data span:nth-child(1) { height: 25px; opacity: 0.3; }
.icon-data span:nth-child(2) { height: 46px; opacity: 0.55; }
.icon-data span:nth-child(3) { height: 33px; opacity: 0.75; }
.icon-data span:nth-child(4) { height: 61px; }

.icon-product::before,
.icon-product::after {
  position: absolute;
  border: 1px solid rgba(49, 179, 207, 0.42);
  border-radius: 13px;
  content: "";
}

.icon-product::before {
  inset: 11px 25px 28px 8px;
  background: rgba(49, 179, 207, 0.08);
}

.icon-product::after {
  inset: 37px 8px 4px 35px;
  background: var(--paper-bright);
  box-shadow: 0 12px 25px rgba(44, 35, 77, 0.12);
}

.icon-product span {
  position: absolute;
  z-index: 2;
  right: 23px;
  bottom: 25px;
  width: 40px;
  height: 4px;
  border-radius: 2px;
  background: #31b3cf;
}

.icon-product span:last-child {
  bottom: 37px;
  width: 23px;
  opacity: 0.4;
}

.solution-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 600;
}

.solution-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.featured p {
  color: rgba(255, 255, 255, 0.58);
}

.card-tag {
  position: absolute;
  right: 25px;
  bottom: 27px;
  color: #7e798b;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.solution-card > div:nth-last-of-type(1) {
  padding-right: 78px;
}

.featured .card-tag {
  color: var(--mint);
}

.approach-section {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: white;
}

.approach-section::before {
  position: absolute;
  top: -35%;
  left: -15%;
  width: 65vw;
  height: 65vw;
  border: 1px solid rgba(49, 179, 207, 0.1);
  border-radius: 50%;
  content: "";
}

.approach-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 120px;
}

.approach-intro > p:not(.eyebrow) {
  max-width: 450px;
  margin: 28px 0 35px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 16px;
  line-height: 1.85;
}

.button-light {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: white;
}

.button-light:hover {
  border-color: rgba(49, 179, 207, 0.65);
  background: rgba(49, 179, 207, 0.1);
}

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

.process-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 26px;
  padding: 5px 0 32px;
  border-bottom: 1px solid var(--line-light);
}

.process-list li + li {
  padding-top: 32px;
}

.process-list > li > span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(49, 179, 207, 0.34);
  border-radius: 50%;
  color: var(--mint);
  font-size: 10px;
}

.process-list h3 {
  margin: 1px 0 9px;
  font-size: 21px;
  font-weight: 500;
}

.process-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 14px;
  line-height: 1.75;
}

.about-section {
  background: var(--paper-bright);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: 100px;
}

.official-logo-card {
  position: relative;
  overflow: hidden;
  padding: 44px 38px 28px;
  border: 1px solid rgba(44, 35, 77, 0.1);
  border-radius: 34px;
  background: white;
  box-shadow: 0 30px 80px rgba(44, 35, 77, 0.1);
}

.official-logo-card::before {
  position: absolute;
  top: -50px;
  right: -45px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(49, 179, 207, 0.2);
  border-radius: 50%;
  content: "";
}

.official-logo-card img {
  display: block;
  width: 100%;
  height: auto;
}

.official-logo-card > div {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
  color: #8a8695;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.official-logo-card i {
  width: 40px;
  height: 1px;
  background: var(--mint);
}

.about-statement blockquote {
  margin: 0;
  font-size: clamp(35px, 4vw, 52px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.42;
}

.about-statement blockquote span {
  position: relative;
  color: #269ab4;
}

.about-statement blockquote span::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 5px;
  border-top: 1px solid #31b3cf;
  border-radius: 50%;
  content: "";
}

.about-copy {
  max-width: 620px;
  padding-top: 42px;
}

.about-copy p {
  margin: 0 0 21px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
}

.about-copy strong {
  color: #269ab4;
}

.principles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.principles span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #686476;
  font-size: 10px;
  letter-spacing: 0.05em;
}

.contact-section {
  padding: 0 0 72px;
  background: var(--paper-bright);
}

.contact-card {
  position: relative;
  overflow: hidden;
  padding: 90px 7%;
  border-radius: 32px;
  background:
    radial-gradient(circle at 80% 30%, rgba(49, 179, 207, 0.28), transparent 30%),
    var(--ink-soft);
  color: white;
}

.contact-card h2 {
  position: relative;
  z-index: 2;
}

.contact-card > p:not(.eyebrow) {
  position: relative;
  z-index: 2;
  margin: 25px 0 32px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 16px;
}

.button-accent {
  position: relative;
  z-index: 2;
  background: var(--mint);
  color: var(--ink);
}

.button-accent:hover {
  background: var(--mint-bright);
}

.contact-orbit {
  position: absolute;
  top: 50%;
  right: -5%;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(49, 179, 207, 0.22);
  border-radius: 50%;
  transform: translateY(-50%);
}

.contact-orbit::before,
.contact-orbit::after {
  position: absolute;
  border: 1px solid rgba(49, 179, 207, 0.16);
  border-radius: 50%;
  content: "";
}

.contact-orbit::before {
  inset: 55px;
}

.contact-orbit::after {
  inset: 120px;
  background: rgba(49, 179, 207, 0.05);
}

.site-footer {
  padding: 38px 0 44px;
  background: var(--ink);
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  align-items: center;
  gap: 30px;
}

.footer-grid > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.38);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.34);
  font-size: 10px;
}

.footer-meta a:hover {
  color: var(--mint);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.65, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

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

@media (max-width: 960px) {
  .hero {
    padding-top: 140px;
  }

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

  .hero-content {
    max-width: 680px;
  }

  .hero-visual {
    width: min(100%, 600px);
    margin: 0 auto;
  }

  .trust-strip {
    margin-top: 25px;
  }

  .section-heading,
  .approach-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .section-heading > p {
    max-width: 640px;
  }

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

  .solution-card:first-child {
    grid-column: 1 / -1;
  }

  .solution-card:first-child .card-icon {
    left: 72%;
  }

  .about-copy {
    max-width: 680px;
    padding-top: 0;
  }

  .official-logo-card {
    width: min(100%, 430px);
  }

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

  .footer-grid > p {
    display: none;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .header-inner {
    min-height: 70px;
  }

  .menu-toggle {
    position: relative;
    z-index: 102;
    display: block;
  }

  .header-inner > .brand {
    position: relative;
    z-index: 102;
  }

  .menu-open .menu-toggle span:not(.sr-only):first-of-type {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-open .menu-toggle span:not(.sr-only):last-of-type {
    transform: translateY(-3px) rotate(-45deg);
  }

  .primary-nav {
    position: fixed;
    z-index: 101;
    inset: 0;
    display: flex;
    visibility: hidden;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 25px;
    padding: 80px 30px;
    background: rgba(37, 29, 67, 0.985);
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
  }

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

  .primary-nav a {
    font-size: 23px;
  }

  .nav-cta {
    margin-top: 14px;
    font-size: 16px !important;
  }

  .hero {
    min-height: auto;
    padding-top: 126px;
  }

  .hero h1 {
    font-size: clamp(43px, 13vw, 62px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-top: 34px;
  }

  .hero-visual {
    min-height: 405px;
    margin-top: 8px;
    transform: scale(0.92);
  }

  .orbit-two {
    width: 380px;
    height: 380px;
  }

  .orbit-one {
    width: 295px;
    height: 295px;
  }

  .flow-core {
    width: 220px;
    height: 220px;
  }

  .card-input {
    left: -2%;
  }

  .card-output {
    right: -2%;
  }

  .system-card {
    width: 150px;
  }

  .status-pill {
    left: 35%;
  }

  .trust-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 17px;
  }

  .trust-items {
    flex-wrap: wrap;
    gap: 12px;
  }

  .section {
    padding: 90px 0;
  }

  .section-heading {
    gap: 26px;
    margin-bottom: 40px;
  }

  .section-heading h2,
  .approach-intro h2,
  .contact-card h2 {
    font-size: 38px;
  }

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

  .solution-card,
  .solution-card:first-child {
    grid-column: auto;
    min-height: 380px;
  }

  .solution-card:first-child .card-icon {
    left: 50%;
  }

  .approach-grid {
    gap: 60px;
  }

  .process-list li {
    gap: 15px;
  }

  .about-grid {
    gap: 42px;
  }

  .official-logo-card {
    width: 100%;
    padding: 30px 28px 22px;
    border-radius: 26px;
  }

  .about-statement blockquote {
    font-size: 34px;
  }

  .contact-section {
    padding-bottom: 28px;
  }

  .contact-card {
    width: calc(100% - 24px);
    padding: 68px 25px;
    border-radius: 26px;
  }

  .contact-orbit {
    right: -65%;
    opacity: 0.7;
  }

  .button-accent {
    padding-inline: 19px;
  }

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

  .footer-meta {
    gap: 20px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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