:root {
  color-scheme: dark;
  --ink: #031b0b;
  --ink-2: #061f10;
  --ink-3: #0b2b18;
  --forest: #1b412a;
  --leaf: #5c8d2c;
  --fresh: #7fbf3a;
  --sage: #adc480;
  --mist: #aebfbe;
  --paper: #f6f8f2;
  --paper-2: #eef3e5;
  --gray: #666666;
  --line: rgba(246, 248, 242, 0.12);
  --line-strong: rgba(173, 196, 128, 0.34);
  --text: #f7f9f3;
  --muted: #cdd7c9;
  --soft: #95a391;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --max: 1180px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(18px, 4vw, 56px);
  background: linear-gradient(180deg, rgba(3, 27, 11, 0.92), rgba(3, 27, 11, 0.58));
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(3, 27, 11, 0.86);
  border-color: rgba(246, 248, 242, 0.1);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  width: clamp(144px, 14vw, 190px);
  min-width: 142px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 6px;
  color: rgba(247, 249, 243, 0.74);
  font-size: 13px;
  font-weight: 500;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.nav-links .nav-cta {
  margin-left: 6px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.nav-links .nav-cta:hover {
  color: var(--ink);
  background: #ffffff;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.menu-button span {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transition: transform 180ms ease;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(100svh - 120px);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 128px clamp(20px, 5vw, 72px) 70px;
  isolation: isolate;
}

.hero-bg,
.cta-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(90deg, rgba(3, 27, 11, 0.98), rgba(3, 27, 11, 0.83) 43%, rgba(3, 27, 11, 0.46)),
    url("assets/brand/pattern-dark.png");
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -7vw;
  bottom: -18vw;
  width: min(760px, 58vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at center, rgba(127, 191, 58, 0.2), rgba(127, 191, 58, 0) 62%);
  pointer-events: none;
}

.hero-shell {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.72fr);
  gap: clamp(32px, 7vw, 88px);
  align-items: center;
}

.hero-content {
  width: min(820px, 100%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--sage);
  font-size: 12px;
  line-height: 1.5;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--leaf);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 660px;
  margin-bottom: 22px;
  color: var(--text);
  font-size: clamp(54px, 6vw, 84px);
  line-height: 0.95;
  font-weight: 800;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.02;
  font-weight: 700;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.28;
  font-weight: 700;
}

.hero-copy {
  max-width: 570px;
  margin-bottom: 34px;
  color: rgba(247, 249, 243, 0.78);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.58;
  font-weight: 300;
}

.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.24);
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button.primary {
  color: var(--ink);
  background: linear-gradient(135deg, var(--sage), #ffffff);
  border-color: rgba(255, 255, 255, 0.55);
}

.button.ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.12);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(173, 196, 128, 0.34);
}

.button.light {
  min-height: 52px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
  margin: 18px 0 0;
}

.hero-metrics div {
  min-height: 74px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hero-metrics dt {
  color: var(--sage);
  font-size: 12px;
  font-weight: 700;
}

.hero-metrics dd {
  margin: 10px 0 0;
  color: rgba(247, 249, 243, 0.84);
  font-size: 14px;
  line-height: 1.35;
}

.interactive-card {
  position: relative;
  overflow: hidden;
}

.interactive-card::before,
.feature-card::before,
.timeline li::after,
.operations-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(173, 196, 128, 0.16),
    transparent 42%
  );
}

.interactive-card:hover::before,
.feature-card:hover::before,
.timeline li:hover::after,
.operations-panel:hover::before {
  opacity: 1;
}

.hero-visual {
  min-height: 548px;
  padding: 18px;
  border: 1px solid rgba(246, 248, 242, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.025);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 36px 90px rgba(0, 0, 0, 0.22);
}

.visual-topline,
.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(247, 249, 243, 0.58);
  font-size: 12px;
  font-weight: 600;
}

.visual-topline strong {
  color: var(--sage);
}

.signal-map {
  position: relative;
  height: 268px;
  margin: 18px 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 52% 28%, rgba(173, 196, 128, 0.2), transparent 34%),
    rgba(3, 27, 11, 0.52);
  background-size: 42px 42px, 42px 42px, auto, auto;
}

.signal-z {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.signal-z path {
  fill: none;
  stroke: rgba(173, 196, 128, 0.42);
  stroke-width: 0.55;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 10px rgba(173, 196, 128, 0.12));
  animation: pathTrace 3.4s ease-in-out infinite;
}

.signal-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 8px rgba(173, 196, 128, 0.08), 0 0 30px rgba(173, 196, 128, 0.34);
  animation: nodePulse 2.8s ease-in-out infinite;
}

.node-a {
  left: 18%;
  top: 27%;
}

.node-b {
  right: 21%;
  top: 19%;
  animation-delay: 420ms;
}

.node-c {
  left: 30%;
  bottom: 25%;
  animation-delay: 860ms;
}

.node-d {
  right: 15%;
  bottom: 31%;
}

.node-ghost {
  width: 10px;
  height: 10px;
  opacity: 0.48;
  box-shadow: 0 0 0 6px rgba(173, 196, 128, 0.05), 0 0 18px rgba(173, 196, 128, 0.18);
  animation: nodePulse 3.2s ease-in-out infinite;
  animation-delay: 1140ms;
}

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  top: -20%;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgba(173, 196, 128, 0.08), transparent);
  animation: scanMove 6s linear infinite;
}

.value-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.value-strip span {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: #071e10;
  color: rgba(247, 249, 243, 0.78);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

.section {
  padding: clamp(82px, 10vw, 138px) clamp(20px, 5vw, 72px);
}

.section-grid,
.section-heading,
.method-panel,
.system-copy,
.principles,
.site-footer {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
}

.intro-section,
.principles-section {
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(246, 248, 242, 0.94), rgba(238, 243, 229, 1)),
    var(--paper);
}

.section-copy h2,
.section-heading h2,
.method-panel h2,
.system-copy h2 {
  color: inherit;
}

.intro-text {
  color: rgba(3, 27, 11, 0.72);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.75;
  font-weight: 300;
}

.intro-text p:last-child {
  margin-bottom: 0;
}

.dark-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 0%, rgba(173, 196, 128, 0.14), transparent 32%),
    linear-gradient(180deg, #061f10, #031b0b);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 44px;
}

.section-heading p:not(.eyebrow),
.system-copy p {
  max-width: 670px;
  color: rgba(247, 249, 243, 0.68);
  font-size: 18px;
  line-height: 1.65;
  font-weight: 300;
}

.section-heading.compact {
  margin-bottom: 34px;
  color: var(--ink);
}

.feature-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.principles article {
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.035);
}

.feature-card {
  position: relative;
  min-height: 310px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(173, 196, 128, 0.24);
  background: rgba(255, 255, 255, 0.048);
}

.feature-number {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: auto;
  border-radius: 6px;
  background: rgba(173, 196, 128, 0.12);
  color: var(--sage);
  font-size: 12px;
  font-weight: 800;
}

.feature-card h3 {
  color: var(--text);
}

.feature-card p,
.principles p,
.timeline p {
  margin-bottom: 0;
  color: rgba(247, 249, 243, 0.64);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 300;
}

.method-section {
  background: var(--paper);
  color: var(--ink);
}

.method-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(340px, 1.12fr);
  gap: clamp(36px, 7vw, 94px);
  padding: clamp(26px, 5vw, 58px);
  border: 1px solid rgba(27, 65, 42, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(238, 243, 229, 0.72)),
    var(--paper-2);
  box-shadow: 0 28px 70px rgba(27, 65, 42, 0.12);
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.timeline li {
  position: relative;
  min-height: 94px;
  padding: 18px 18px 18px 68px;
  border-radius: 8px;
  border: 1px solid rgba(27, 65, 42, 0.12);
  background: rgba(255, 255, 255, 0.58);
  counter-increment: steps;
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease;
}

.timeline li:hover {
  transform: translateX(3px);
  border-color: rgba(92, 141, 44, 0.28);
}

.timeline li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 20px;
  color: var(--leaf);
  font-size: 12px;
  font-weight: 800;
}

.timeline span {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-weight: 700;
}

.timeline p {
  color: rgba(3, 27, 11, 0.63);
}

.system-section {
  padding: clamp(82px, 10vw, 132px) clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 50% 0%, rgba(173, 196, 128, 0.1), transparent 36%),
    linear-gradient(180deg, #031b0b, #071e10 48%, #0a2414);
}

.system-copy {
  margin-bottom: 42px;
}

.operations-panel {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    rgba(255, 255, 255, 0.03);
  background-size: 48px 48px, 48px 48px, auto;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 28px 80px rgba(0, 0, 0, 0.2);
}

.panel-toolbar {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.live-status {
  position: relative;
  color: var(--sage);
}

.live-status::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 0 rgba(173, 196, 128, 0.45);
  animation: statusPing 2.2s ease-out infinite;
}

.operation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.operation-grid article {
  min-height: 210px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(3, 27, 11, 0.46);
}

.operation-grid span,
.operation-grid em {
  display: block;
  color: rgba(247, 249, 243, 0.52);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
}

.operation-grid strong {
  display: block;
  max-width: 240px;
  margin: 54px 0 14px;
  color: var(--text);
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.08;
}

.precision-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.precision-list div {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  background: rgba(3, 27, 11, 0.62);
  color: rgba(247, 249, 243, 0.7);
  font-size: 13px;
  font-weight: 500;
}

.precision-list span {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 2px;
  background: var(--sage);
}

.principles-section {
  padding-top: clamp(76px, 9vw, 116px);
}

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

.principles article {
  min-height: 260px;
  padding: 24px;
  color: var(--ink);
  border-color: rgba(27, 65, 42, 0.13);
  background: rgba(255, 255, 255, 0.62);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.principles article:hover {
  transform: translateY(-3px);
  border-color: rgba(92, 141, 44, 0.28);
  background: rgba(255, 255, 255, 0.78);
}

.principle-index {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 48px;
  border: 1px solid rgba(27, 65, 42, 0.12);
  border-radius: 6px;
  background: rgba(92, 141, 44, 0.08);
  color: var(--leaf);
  font-size: 12px;
  font-weight: 800;
}

.principles h3 {
  color: var(--ink);
}

.principles p {
  color: rgba(3, 27, 11, 0.62);
}

.cta-section {
  position: relative;
  overflow: hidden;
  padding: clamp(86px, 10vw, 142px) clamp(20px, 5vw, 72px);
  isolation: isolate;
}

.cta-bg {
  opacity: 0.98;
}

.cta-content {
  width: min(820px, 100%);
  margin: 0 auto;
  text-align: center;
}

.cta-content img {
  width: min(360px, 80vw);
  margin: 0 auto 36px;
}

.cta-content h2 {
  margin-bottom: 18px;
}

.cta-content p {
  max-width: 640px;
  margin: 0 auto 32px;
  color: rgba(247, 249, 243, 0.72);
  font-size: 18px;
  line-height: 1.66;
  font-weight: 300;
}

.contact-actions {
  justify-content: center;
}

.site-footer {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 72px);
  color: rgba(247, 249, 243, 0.58);
  font-size: 13px;
}

.motion-ready [data-reveal] {
  opacity: 1;
  transform: translateY(18px);
  transition: transform 700ms ease;
}

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

.motion-ready .feature-card:nth-child(2),
.motion-ready .principles article:nth-child(2),
.motion-ready .operation-grid article:nth-child(2) {
  transition-delay: 80ms;
}

.motion-ready .feature-card:nth-child(3),
.motion-ready .principles article:nth-child(3),
.motion-ready .operation-grid article:nth-child(3) {
  transition-delay: 160ms;
}

.motion-ready .principles article:nth-child(4) {
  transition-delay: 240ms;
}

@keyframes scanMove {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  12%,
  70% {
    opacity: 1;
  }
  100% {
    transform: translateY(420%);
    opacity: 0;
  }
}

@keyframes nodePulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.88;
  }
  50% {
    transform: scale(1.18);
    opacity: 1;
  }
}

@keyframes pathTrace {
  0%,
  100% {
    opacity: 0.14;
  }
  50% {
    opacity: 0.88;
  }
}

@keyframes statusPing {
  0% {
    box-shadow: 0 0 0 0 rgba(173, 196, 128, 0.45);
  }
  80%,
  100% {
    box-shadow: 0 0 0 10px rgba(173, 196, 128, 0);
  }
}

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

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

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

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

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

  .hero-visual {
    min-height: auto;
  }

  .section-grid,
  .method-panel {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .principles,
  .operation-grid,
  .precision-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 68px;
  }

  .menu-button {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 12px;
    right: 12px;
    display: grid;
    gap: 6px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(3, 27, 11, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    min-height: 46px;
    justify-content: center;
  }

  .nav-links .nav-cta {
    margin-left: 0;
  }

  .hero {
    padding-top: 112px;
    padding-bottom: 50px;
  }

  h1 {
    font-size: clamp(40px, 11.2vw, 58px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-metrics,
  .value-strip,
  .feature-grid,
  .principles,
  .operation-grid,
  .precision-list {
    grid-template-columns: 1fr;
  }

  .value-strip span {
    min-height: 58px;
  }

  .feature-card,
  .principles article {
    min-height: 220px;
  }

  .signal-map {
    height: 220px;
  }

  .operation-grid article {
    min-height: 170px;
  }

  .operation-grid strong {
    margin-top: 34px;
  }
}

@media (max-width: 520px) {
  .button {
    width: 100%;
  }

  .hero-metrics div {
    min-height: 84px;
  }

  .method-panel {
    padding: 22px;
  }

  .timeline li {
    padding-left: 56px;
  }

  .site-footer {
    flex-direction: column;
    justify-content: center;
    gap: 6px;
  }
}