:root {
  --warm-white: #f5f3ef;
  --navy: #0a1e3d;
  --navy-deep: #07162d;
  --teal: #0f6e56;
  --teal-bright: #00cfcf;
  --amber: #ef9f27;
  --line-dark: rgba(245, 243, 239, 0.18);
  --muted-light: rgba(245, 243, 239, 0.72);
  --muted-dark: #5f5e5a;
  --radius: 10px;
  font-family: "Lato", Arial, sans-serif;
  color: var(--warm-white);
  background: var(--navy);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 22%, rgba(0, 207, 207, 0.18), transparent 28%),
    radial-gradient(circle at 16% 84%, rgba(239, 159, 39, 0.14), transparent 26%),
    linear-gradient(135deg, var(--navy-deep), var(--navy) 54%, #092f3e);
}

a {
  color: inherit;
}

.page-shell {
  min-height: 100vh;
}

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 44px 0 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.78fr);
  align-items: center;
  gap: 58px;
}

.brand {
  display: inline-flex;
  width: min(310px, 84vw);
  margin-bottom: 80px;
}

.brand img {
  width: 100%;
  height: auto;
  display: block;
}

.eyebrow {
  margin: 0 0 16px;
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.method-line {
  margin: -8px 0 18px;
  color: rgba(245, 243, 239, 0.74);
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 15px;
  font-weight: 700;
}

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

h1,
h2,
h3 {
  font-family: "DM Sans", Arial, sans-serif;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.98;
  font-weight: 600;
}

.lead {
  max-width: 680px;
  margin-bottom: 34px;
  color: var(--muted-light);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.62;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--teal);
  color: white;
}

.button.secondary {
  border-color: var(--line-dark);
  color: var(--warm-white);
}

.signal-panel {
  position: relative;
  min-height: 560px;
}

.aperture-card {
  position: absolute;
  inset: 54px 0 auto auto;
  width: min(430px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.035);
}

.aperture-card::before,
.aperture-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(245, 243, 239, 0.13);
}

.aperture-card::before {
  width: 82%;
  height: 82%;
}

.aperture-card::after {
  width: 58%;
  height: 58%;
}

.aperture-card img {
  width: 52%;
  height: auto;
  animation: pulse 4s ease-in-out infinite;
}

.scan-line {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-bright), transparent);
  animation: scan 3.5s ease-in-out infinite;
}

.status-card {
  position: absolute;
  left: 0;
  bottom: 88px;
  max-width: 310px;
  padding: 22px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(7, 22, 45, 0.82);
  backdrop-filter: blur(16px);
}

.status-card.small {
  left: auto;
  right: 16px;
  bottom: 18px;
  max-width: 270px;
}

.status-card span {
  display: block;
  margin-bottom: 9px;
  color: var(--amber);
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-card strong {
  display: block;
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 22px;
  line-height: 1.18;
}

.content-band {
  background: var(--warm-white);
  color: var(--navy);
  padding: 78px max(20px, calc((100vw - 1180px) / 2)) 86px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin-bottom: 16px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.05;
  font-weight: 600;
}

.section-heading p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted-dark);
  font-size: 18px;
  line-height: 1.65;
}

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

.method-grid article {
  min-height: 214px;
  padding: 24px;
  border: 1px solid #d3d1c7;
  border-top: 3px solid var(--teal);
  border-radius: var(--radius);
  background: white;
}

.method-grid span {
  display: block;
  margin-bottom: 30px;
  color: var(--amber);
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.method-grid h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.method-grid p {
  color: var(--muted-dark);
  line-height: 1.55;
}

@keyframes scan {
  0% {
    transform: translateY(54px);
    opacity: 0;
  }
  15%,
  80% {
    opacity: 1;
  }
  100% {
    transform: translateY(372px);
    opacity: 0;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 10px rgba(0, 207, 207, 0.18));
  }
  50% {
    transform: scale(1.04);
    filter: drop-shadow(0 0 22px rgba(0, 207, 207, 0.34));
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 32px;
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .brand {
    margin-bottom: 54px;
  }

  .signal-panel {
    min-height: 430px;
  }

  .aperture-card {
    inset: 0 auto auto 50%;
    transform: translateX(-50%);
    width: min(360px, 100%);
  }

  .status-card {
    bottom: 46px;
  }

  .status-card.small {
    right: 0;
    bottom: 0;
  }

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

@media (max-width: 620px) {
  .hero {
    width: min(100% - 28px, 1180px);
  }

  .brand {
    margin-bottom: 38px;
  }

  .actions,
  .button {
    width: 100%;
  }

  .signal-panel {
    min-height: 390px;
  }

  .status-card,
  .status-card.small {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    max-width: none;
    margin-top: 12px;
  }

  .aperture-card {
    position: relative;
    transform: none;
    left: auto;
    width: 100%;
  }

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