:root {
  --bg: #eef4f7;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #f8fbfd;
  --line: rgba(40, 67, 92, 0.12);
  --text: #132433;
  --muted: #587084;
  --accent: #167f73;
  --accent-strong: #0d9e8c;
  --glow: rgba(22, 127, 115, 0.16);
  --shadow: rgba(16, 34, 50, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(22, 127, 115, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(108, 164, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #f7fbfd 0%, #edf3f7 48%, #f8fbfd 100%);
  color: var(--text);
}

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

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.site-header,
.hero,
.band,
.content-card,
.cta,
.site-footer {
  backdrop-filter: blur(18px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  position: sticky;
  top: 16px;
  z-index: 20;
  box-shadow: 0 16px 40px var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-strong), #60a5fa);
  color: #f8fffe;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.eyebrow {
  margin: 0 0 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
  gap: 28px;
  margin-top: 28px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(241, 247, 250, 0.95));
  box-shadow: 0 28px 80px var(--shadow);
}

.hero h1,
.section h2,
.cta h2 {
  margin: 0;
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 5.4rem);
  max-width: 12ch;
}

.hero-text {
  max-width: 64ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 500;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #9be7ff);
  color: #041117;
  box-shadow: 0 16px 36px var(--glow);
}

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.media-card,
.signal-card,
.signal-grid article,
.content-card,
.band,
.cta,
.site-footer {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

.signal-card,
.signal-grid article {
  padding: 20px;
}

.media-card,
.inline-media {
  margin: 0;
  overflow: hidden;
}

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

.media-card img {
  aspect-ratio: 4 / 4.5;
}

.media-card figcaption {
  padding: 16px 18px 18px;
  color: var(--muted);
  line-height: 1.6;
}

.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.signal-label {
  margin: 0 0 8px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-value {
  margin: 0;
  line-height: 1.5;
}

.section {
  margin-top: 72px;
}

.section-heading {
  max-width: 62ch;
}

.section-heading h2,
.cta h2 {
  font-size: clamp(2rem, 3vw, 3.6rem);
}

.card-grid,
.feature-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.content-card {
  padding: 26px;
}

.content-card h3,
.feature-list h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.content-card p,
.feature-list p,
.stack-copy p,
.cta p,
.site-footer p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}

.band {
  padding: 34px;
}

.band-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 24px;
  align-items: center;
  margin-top: 24px;
}

.band-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  max-width: 60ch;
}

.inline-media img {
  aspect-ratio: 16 / 10;
}

.feature-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: start;
}

.stack-copy {
  display: grid;
  gap: 18px;
}

.cta {
  padding: 36px;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(22, 127, 115, 0.1), transparent 40%),
    var(--panel-strong);
}

.cta p {
  max-width: 58ch;
  margin: 16px auto 0;
}

.site-footer {
  margin-top: 32px;
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
}

@media (max-width: 920px) {
  .site-header,
  .hero,
  .split-layout,
  .card-grid,
  .feature-list,
  .band-media {
    grid-template-columns: 1fr;
  }

  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav,
  .hero-actions,
  .signal-grid,
  .site-footer {
    width: 100%;
  }

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