:root {
  --bg: #090909;
  --surface: #111111;
  --surface-soft: #161616;
  --text: #ffffff;
  --muted: #cfcfcf;
  --line: rgba(255, 255, 255, 0.18);
  --line-strong: rgba(255, 255, 255, 0.4);
  --radius: 20px;
  --shadow: 0 20px 42px rgba(0, 0, 0, 0.35);
  --space-section: clamp(60px, 7vw, 84px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.85) 1px, transparent 1.1px);
  background-size: 26px 26px;
  pointer-events: none;
}

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

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

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

.site-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 14px 0 18px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(8, 8, 8, 0.9);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  animation: header-enter 0.55s ease both;
}

.site-header.is-scrolled {
  border-color: var(--line-strong);
  background: rgba(12, 12, 12, 0.96);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.42);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand img {
  width: 34px;
  height: 34px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
}

.site-nav {
  display: flex;
  align-items: center;
  padding: 3px;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 18, 18, 0.9);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.icon-nav,
.icon-inline,
.icon-heading,
.icon-list {
  line-height: 1;
}

.icon-nav {
  font-size: 0.8rem;
  opacity: 0.9;
}

.site-nav a:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.site-nav a.is-active {
  color: #0f0f0f;
  border-color: #ffffff;
  background: #ffffff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.2s ease;
}

.nav-toggle.is-open span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle.is-open span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 20px;
  max-width: 10ch;
  font-size: clamp(2.5rem, 5.5vw, 5.1rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.85rem, 3.9vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.16rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: clamp(20px, 4vw, 42px);
  align-items: center;
  min-height: calc(100svh - 120px);
}

.hero__lead,
.section-copy p,
.contact-panel p {
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.72;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--btn-fg, var(--text));
  background-image:
    linear-gradient(
      120deg,
      rgba(38, 126, 211, 0) 8%,
      rgba(38, 126, 211, 0) 36%,
      rgba(59, 177, 255, 0.28) 50%,
      rgba(129, 231, 255, 0.42) 60%,
      rgba(38, 126, 211, 0) 74%
    ),
    linear-gradient(var(--btn-bg, transparent), var(--btn-bg, transparent));
  background-size: 230% 100%, 100% 100%;
  background-position: 130% 0, 0 0;
  font-weight: 700;
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease,
    background-position 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
  background-position: -20% 0, 0 0;
  box-shadow: 0 10px 22px rgba(39, 144, 224, 0.22);
}

.button--primary {
  --btn-bg: #ffffff;
  --btn-fg: #0f0f0f;
  border-color: #ffffff;
}

.button--ghost {
  --btn-bg: rgba(255, 255, 255, 0.05);
  --btn-fg: var(--text);
}

.button--ghost:hover {
  border-color: rgba(126, 224, 255, 0.6);
}

.hero__scan,
.stat-panel,
.feature-card,
.timeline__item,
.value-panel,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 17, 17, 0.92);
  box-shadow: var(--shadow);
}

.hero__scan {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.icon-inline {
  font-size: 0.9em;
}

.icon-heading {
  margin-right: 8px;
  font-size: 0.95em;
  opacity: 0.95;
}

.scan-header span {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scan-header strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.35rem, 2.1vw, 1.75rem);
  letter-spacing: -0.03em;
}

.scan-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 290px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02) 58%);
}

.scan-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.18;
}

.face-shape {
  position: relative;
  z-index: 2;
  width: 148px;
  height: 190px;
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: 48% 48% 44% 44%;
}

.face-shape::before {
  position: absolute;
  top: 16px;
  right: 16px;
  left: 16px;
  height: 16px;
  content: "";
  border-top: 1px solid rgba(255, 255, 255, 0.35);
}

.face-shape span {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
}

.eye {
  top: 66px;
  width: 13px;
  height: 13px;
}

.eye--left {
  left: 42px;
}

.eye--right {
  right: 42px;
}

.nose {
  top: 100px;
  left: 69px;
  width: 10px;
  height: 18px;
}

.mouth {
  left: 50%;
  bottom: 40px;
  width: 44px;
  height: 20px;
  transform: translateX(-50%);
  background: transparent;
  border-bottom: 4px solid rgba(255, 255, 255, 0.92);
  border-radius: 0 0 30px 30px;
}

.scan-line {
  position: absolute;
  right: 14px;
  left: 14px;
  z-index: 3;
  height: 2px;
  background: linear-gradient(90deg, transparent, #ffffff, transparent);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.85);
  animation: face-scan 3.2s ease-in-out infinite;
}

.scan-corners {
  position: absolute;
  inset: 16px;
}

.scan-corners span {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid rgba(255, 255, 255, 0.85);
}

.scan-corners span:nth-child(1) {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}

.scan-corners span:nth-child(2) {
  top: 0;
  right: 0;
  border-bottom: none;
  border-left: none;
}

.scan-corners span:nth-child(3) {
  bottom: 0;
  left: 0;
  border-top: none;
  border-right: none;
}

.scan-corners span:nth-child(4) {
  right: 0;
  bottom: 0;
  border-top: none;
  border-left: none;
}

.scan-status {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.scan-status p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.scan-status small {
  color: var(--muted);
}

@keyframes face-scan {
  0% {
    top: 14%;
    opacity: 0.4;
  }

  50% {
    top: 84%;
    opacity: 1;
  }

  100% {
    top: 14%;
    opacity: 0.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scan-line {
    animation: none;
    top: 50%;
  }

  .site-header {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }

  .tracking-box {
    animation: none;
    opacity: 1;
  }

  .hex-frame,
  .hex-frame::before,
  .hex-frame::after,
  .hex-frame i,
  .hex-frame span {
    animation: none;
  }

  .value-map::before,
  .value-map::after,
  .value-node {
    animation: none;
  }

  .value-node {
    opacity: 1;
  }
}

.split-section,
.architecture {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: 24px;
  align-items: stretch;
}

.stat-panel,
.value-panel {
  display: grid;
  align-content: center;
  gap: 8px;
  padding: clamp(20px, 3vw, 30px);
}

.value-panel {
  min-height: 360px;
  overflow: hidden;
}

.stat-panel span,
.value-panel p {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.stat-panel strong {
  font-size: clamp(3.6rem, 9vw, 5.8rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.stat-panel p {
  margin: 0;
  color: var(--muted);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.presentation-grid,
.staytrack-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.78fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.presentation-copy,
.staytrack-copy {
  max-width: 620px;
}

.presentation-copy h2,
.staytrack-copy h2 {
  max-width: 11ch;
  text-transform: uppercase;
}

.presentation-copy p,
.staytrack-copy p {
  max-width: 42ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.65;
}

.presentation-visual,
.staytrack-visual {
  position: relative;
  display: grid;
  min-height: 330px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)),
    rgba(17, 17, 17, 0.9);
  box-shadow: var(--shadow);
}

.presentation-visual::before,
.staytrack-visual::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.18;
}

.hex-frame {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(260px, 70%);
  aspect-ratio: 1;
  place-items: center;
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.055);
  animation: hex-breathe 4s ease-in-out infinite;
}

.hex-frame::before {
  position: absolute;
  inset: 18%;
  content: "";
  border: 1px solid rgba(126, 224, 255, 0.32);
  border-radius: 50%;
  opacity: 0;
  animation: system-ring 2.8s ease-out infinite;
}

.hex-frame::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.16) 50%, transparent 70%);
  opacity: 0;
  transform: translateX(-70%);
  animation: system-sweep 3.6s ease-in-out infinite;
}

.hex-frame i {
  position: relative;
  z-index: 1;
  font-size: clamp(4.6rem, 10vw, 7rem);
  color: rgba(255, 255, 255, 0.92);
  filter: drop-shadow(0 0 0 rgba(126, 224, 255, 0));
  animation: monitor-glow 2.6s ease-in-out infinite;
}

.hex-frame span {
  position: absolute;
  z-index: 2;
  width: 52px;
  height: 52px;
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
  background: rgba(29, 94, 255, 0.72);
  animation: blue-node-pulse 2.8s ease-in-out infinite;
}

.hex-frame span:nth-child(2) {
  top: 26px;
  left: -18px;
}

.hex-frame span:nth-child(3) {
  right: -18px;
  bottom: 34px;
  animation-delay: 0.7s;
}

@keyframes hex-breathe {
  0%,
  100% {
    transform: scale(1);
    border-color: rgba(255, 255, 255, 0.4);
  }

  50% {
    transform: scale(1.025);
    border-color: rgba(126, 224, 255, 0.55);
  }
}

@keyframes system-ring {
  0% {
    opacity: 0;
    transform: scale(0.65);
  }

  45% {
    opacity: 0.85;
  }

  100% {
    opacity: 0;
    transform: scale(1.75);
  }
}

@keyframes system-sweep {
  0%,
  42% {
    opacity: 0;
    transform: translateX(-80%);
  }

  58% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateX(80%);
  }
}

@keyframes monitor-glow {
  0%,
  100% {
    color: rgba(255, 255, 255, 0.88);
    filter: drop-shadow(0 0 0 rgba(126, 224, 255, 0));
  }

  50% {
    color: #ffffff;
    filter: drop-shadow(0 0 16px rgba(126, 224, 255, 0.5));
  }
}

@keyframes blue-node-pulse {
  0%,
  100% {
    opacity: 0.52;
    transform: scale(0.96);
  }

  50% {
    opacity: 1;
    transform: scale(1.08);
    box-shadow: 0 0 22px rgba(29, 94, 255, 0.42);
  }
}

.staytrack-section {
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
}

.tech-frame {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(260px, 78%);
  aspect-ratio: 0.85;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.tech-frame::before,
.tech-frame::after {
  position: absolute;
  content: "";
  background: var(--bg);
}

.tech-frame::before {
  top: -2px;
  left: 38px;
  width: 80px;
  height: 14px;
  clip-path: polygon(0 0, 85% 0, 100% 100%, 14% 100%);
}

.tech-frame::after {
  right: 30px;
  bottom: -2px;
  width: 58px;
  height: 10px;
  border-top: 3px solid #ffffff;
  border-bottom: 3px solid #ffffff;
  transform: skewX(-35deg);
}

.tech-frame i {
  font-size: clamp(4.4rem, 9vw, 6rem);
  color: rgba(255, 255, 255, 0.92);
}

.tracking-box {
  position: absolute;
  border: 2px solid rgba(70, 255, 132, 0.85);
  border-radius: 6px;
  opacity: 0.35;
  box-shadow: 0 0 8px rgba(70, 255, 132, 0.12);
  animation: tracking-pulse 2.4s ease-in-out infinite;
}

.tracking-box--one {
  top: 25%;
  left: 22%;
  width: 54px;
  height: 72px;
  animation-delay: 0s;
}

.tracking-box--two {
  top: 33%;
  right: 22%;
  width: 48px;
  height: 62px;
  animation-delay: 0.55s;
}

.tracking-box--three {
  bottom: 23%;
  left: 38%;
  width: 42px;
  height: 54px;
  animation-delay: 1.1s;
}

@keyframes tracking-pulse {
  0%,
  100% {
    opacity: 0.28;
    border-color: rgba(70, 255, 132, 0.45);
    box-shadow: 0 0 8px rgba(70, 255, 132, 0.1);
    transform: scale(0.98);
  }

  42%,
  62% {
    opacity: 1;
    border-color: rgba(70, 255, 132, 1);
    box-shadow: 0 0 22px rgba(70, 255, 132, 0.42);
    transform: scale(1.03);
  }
}

.hardware-section {
  position: relative;
}

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

.hardware-card {
  position: relative;
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 17, 17, 0.88);
  box-shadow: var(--shadow);
}

.icon-hardware {
  display: inline-grid;
  width: 46px;
  height: 46px;
  margin-bottom: 26px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: #ffffff;
  font-size: 1.35rem;
  background: rgba(255, 255, 255, 0.05);
}

.hardware-card h3 {
  max-width: 14ch;
  margin-bottom: 12px;
  line-height: 1.05;
}

.hardware-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

.section-heading {
  grid-column: 1 / -1;
  max-width: 680px;
}

.feature-card,
.timeline__item {
  min-height: 200px;
  padding: 22px;
}

.feature-card__number,
.timeline__item span {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.feature-card p,
.timeline__item p,
.check-list li,
.value-panel small {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.pricing-section {
  padding-top: 54px;
}

.pricing-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.price-card {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 17, 17, 0.92);
  box-shadow: var(--shadow);
}

.price-card span {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.price-card strong {
  display: block;
  margin-bottom: 18px;
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.price-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.price-card li {
  margin-bottom: 10px;
}

.price-card--primary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.06);
}

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

.check-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.icon-list {
  margin-top: 3px;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.value-map {
  position: relative;
  display: grid;
  min-height: 300px;
  place-items: center;
}

.value-map::before,
.value-map::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.value-map::before {
  width: 190px;
  height: 190px;
  animation: value-ring 4s ease-in-out infinite;
}

.value-map::after {
  width: 270px;
  height: 270px;
  animation: value-ring 4s ease-in-out infinite reverse;
}

.value-map__center,
.value-node {
  position: absolute;
  display: grid;
  place-items: center;
  text-align: center;
}

.value-map__center {
  z-index: 2;
  width: 104px;
  height: 104px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 24px rgba(126, 224, 255, 0.12);
}

.value-map__center i {
  font-size: 1.45rem;
}

.value-map__center span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.value-node {
  z-index: 3;
  width: 92px;
  min-height: 72px;
  gap: 7px;
  padding: 10px;
  border: 1px solid rgba(70, 255, 132, 0.34);
  border-radius: 16px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(12, 12, 12, 0.86);
  opacity: 0.4;
  animation: value-node-pulse 4.8s ease-in-out infinite;
}

.value-node i {
  font-size: 1.2rem;
}

.value-node span {
  font-size: 0.72rem;
  font-weight: 700;
}

.value-node--one {
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.value-node--two {
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  animation-delay: 1.2s;
}

.value-node--three {
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 2.4s;
}

.value-node--four {
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
  animation-delay: 3.6s;
}

@keyframes value-ring {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.96);
  }

  50% {
    opacity: 0.75;
    transform: scale(1.04);
  }
}

@keyframes value-node-pulse {
  0%,
  100% {
    opacity: 0.38;
    border-color: rgba(70, 255, 132, 0.25);
    box-shadow: 0 0 0 rgba(70, 255, 132, 0);
    color: rgba(255, 255, 255, 0.58);
  }

  18%,
  34% {
    opacity: 1;
    border-color: rgba(70, 255, 132, 0.9);
    box-shadow: 0 0 22px rgba(70, 255, 132, 0.28);
    color: #ffffff;
  }
}

.who-section {
  padding-top: 0;
  padding-bottom: 110px;
}

.who-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.7fr);
  gap: 16px;
}

.who-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 18px;
  background: rgba(16, 16, 16, 0.9);
}

.who-card::before {
  position: absolute;
  top: 0;
  left: 42px;
  width: 76px;
  height: 12px;
  content: "";
  background: var(--bg);
  clip-path: polygon(0 100%, 10% 0, 90% 0, 100% 100%);
}

.who-card::after {
  position: absolute;
  right: 22px;
  bottom: 10px;
  width: 34px;
  height: 8px;
  content: "";
  border-top: 3px solid rgba(255, 255, 255, 0.92);
  border-bottom: 3px solid rgba(255, 255, 255, 0.92);
  transform: skewX(-35deg);
}

.who-card--text {
  padding: clamp(24px, 3vw, 34px);
}

.who-card--text h2 {
  margin-bottom: 14px;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
}

.who-card--text p {
  max-width: 44ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
}

.who-card--visual {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 14px;
  padding: 20px;
  text-align: center;
}

.who-camera-glow {
  position: absolute;
  inset: 14% 8%;
  border-radius: 14px;
  background: radial-gradient(circle at 50% 50%, rgba(85, 184, 255, 0.38), rgba(85, 184, 255, 0.02) 65%);
}

.who-camera-icon {
  position: relative;
  z-index: 1;
  font-size: clamp(4.2rem, 9vw, 6rem);
  color: #e8f6ff;
  text-shadow: 0 0 26px rgba(111, 205, 255, 0.45);
}

.who-card--visual p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #e3f3ff;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-section {
  padding-top: 0;
  padding-bottom: 110px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: 16px;
}

.contact-panel {
  padding: clamp(22px, 4vw, 42px);
}

.contact-options {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.contact-options a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.contact-options a:hover {
  border-color: rgba(126, 224, 255, 0.58);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.icon-contact {
  display: inline-grid;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.05);
}

.contact-options strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
}

.contact-options span {
  color: var(--muted);
  line-height: 1.4;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 17, 17, 0.92);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.04);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(126, 224, 255, 0.68);
  background: rgba(255, 255, 255, 0.065);
  box-shadow: 0 0 0 4px rgba(126, 224, 255, 0.08);
}

.contact-form .button {
  margin-top: 4px;
  border: none;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  filter: blur(2px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease,
    filter 0.65s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

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

@keyframes header-enter {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .site-shell {
    width: min(100% - 24px, 780px);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: 0;
    display: grid;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(12, 12, 12, 0.96);
    gap: 6px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav a {
    border-radius: 12px;
  }

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

  .hero,
  .split-section,
  .architecture,
  .presentation-grid,
  .staytrack-section,
  .contact-layout,
  .who-layout {
    grid-template-columns: 1fr;
  }

  .solution-grid,
  .timeline,
  .pricing-grid,
  .hardware-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    top: 10px;
  }

  .brand span {
    display: none;
  }

  .section {
    padding: 52px 0;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3.7rem);
  }

  h2 {
    font-size: clamp(1.8rem, 10vw, 2.9rem);
  }

  .hero__actions,
  .solution-grid,
  .timeline,
  .pricing-grid,
  .hardware-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}