:root {
  color-scheme: dark;
  --bg: #071310;
  --panel: #0e201b;
  --panel-strong: #132a24;
  --ink: #effcf5;
  --muted: #a7beb3;
  --soft: #d4ede0;
  --line: rgba(199, 239, 215, 0.18);
  --mint: #6ff0b4;
  --aqua: #70d8f7;
  --sun: #f7d882;
  --rose: #ff9dae;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 20% 0%, rgba(111, 240, 180, 0.15), transparent 34rem),
    radial-gradient(circle at 82% 12%, rgba(112, 216, 247, 0.13), transparent 30rem),
    linear-gradient(180deg, #071310 0%, #091612 46%, #06100e 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 30;
  transform: translateY(-200%);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #0d1d18;
  padding: 0.65rem 0.9rem;
  color: var(--ink);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 19, 16, 0.88);
  padding: 0.9rem clamp(1rem, 4vw, 3rem);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid rgba(111, 240, 180, 0.42);
  border-radius: 0.7rem;
  background: linear-gradient(135deg, rgba(111, 240, 180, 0.2), rgba(112, 216, 247, 0.08));
  color: var(--mint);
  font-size: 0.78rem;
  letter-spacing: 0;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

nav a {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.48rem 0.72rem;
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  border-color: var(--line);
  color: var(--ink);
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.88fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: 720px;
  padding: clamp(3rem, 8vw, 6.8rem) clamp(1rem, 5vw, 5rem) 4rem;
}

.hero-copy {
  max-width: 780px;
}

.eyebrow,
.kicker {
  margin: 0 0 0.85rem;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 1.1rem;
  font-size: clamp(2.75rem, 7vw, 6.6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.8rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.08rem;
  line-height: 1.16;
}

.hero-text,
.section-head p,
.split p,
.safe-box p {
  color: var(--soft);
  font-size: clamp(1rem, 1.45vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.8rem 0;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.75rem 1.05rem;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--mint);
  color: #062017;
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--ink);
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 2rem 0 0;
}

.proof-stats div {
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
}

.proof-stats dt {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.proof-stats dd {
  margin: 0.3rem 0 0;
  font-weight: 800;
}

.device {
  position: relative;
  border: 1px solid rgba(111, 240, 180, 0.28);
  border-radius: 2.25rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
  padding: 0.85rem;
}

.device::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(111, 240, 180, 0.35), transparent 45%),
    linear-gradient(315deg, rgba(112, 216, 247, 0.24), transparent 46%);
}

.device-top {
  display: flex;
  gap: 0.38rem;
  padding: 0.25rem 0.3rem 0.7rem;
}

.device-top span {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--line);
}

.landing-preview {
  border-radius: 1.55rem;
  background:
    linear-gradient(180deg, rgba(246, 255, 249, 0.98), rgba(219, 245, 235, 0.98));
  color: #10241d;
  overflow: hidden;
}

.preview-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.85rem;
  font-size: 0.78rem;
}

.clinic-mark {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border-radius: 0.75rem;
  background: #0f7556;
  color: #fff;
  font-weight: 900;
}

.preview-header strong,
.preview-cta-row span,
.preview-form button {
  border: 0;
  border-radius: 999px;
  background: #0f7556;
  color: #fff;
  padding: 0.52rem 0.75rem;
  font-size: 0.72rem;
}

.preview-hero {
  padding: 1.2rem 1rem;
  background:
    radial-gradient(circle at 85% 10%, rgba(15, 117, 86, 0.12), transparent 42%),
    #f9fffb;
}

.preview-hero p {
  margin-bottom: 0.55rem;
  color: #477265;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.preview-hero h2 {
  margin-bottom: 1rem;
  color: #10241d;
  font-size: clamp(1.45rem, 4vw, 2.35rem);
  line-height: 1.02;
}

.preview-cta-row,
.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.preview-cta-row span:last-child {
  background: #dfeee8;
  color: #17382e;
}

.preview-grid {
  padding: 0.9rem;
}

.preview-grid span {
  border: 1px solid rgba(17, 55, 44, 0.1);
  border-radius: 0.85rem;
  background: #fff;
  padding: 0.75rem;
  color: #244c40;
  font-size: 0.78rem;
  font-weight: 800;
}

.preview-form {
  display: grid;
  gap: 0.5rem;
  padding: 0.9rem;
  background: #eaf6f0;
}

.preview-form label {
  border: 1px solid rgba(17, 55, 44, 0.12);
  border-radius: 0.75rem;
  background: #fff;
  padding: 0.72rem;
  color: #648275;
  font-size: 0.76rem;
}

.preview-form button {
  width: 100%;
  min-height: 2.4rem;
  font-weight: 900;
}

.proof-band,
.panel-grid,
.matrix-section,
.split,
.performance,
.acceptance,
.safe-box {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto clamp(3rem, 8vw, 6rem);
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.proof-band article,
.wire-card,
.event-matrix,
.code-card,
.metric-grid article,
.acceptance-board article,
.safe-box {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.proof-band article {
  padding: 1.3rem;
}

.proof-band span,
.wire-card span,
.acceptance-board span,
.metric-label {
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.proof-band p,
.wire-card p,
.event-matrix span,
.metric-grid p,
.acceptance-board p {
  color: var(--muted);
}

.section-head {
  max-width: 850px;
  margin-bottom: 1.3rem;
}

.wireframe {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.wire-card {
  min-height: 190px;
  padding: 1.25rem;
}

.wire-card.wide {
  grid-column: span 2;
  min-height: 155px;
}

.event-matrix {
  overflow: hidden;
}

.event-matrix > div {
  display: grid;
  grid-template-columns: 0.85fr 1.1fr 1.45fr;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding: 1rem;
}

.event-matrix > div:first-child {
  border-top: 0;
}

.matrix-head {
  background: rgba(111, 240, 180, 0.1);
  color: var(--ink);
  font-weight: 900;
  text-transform: uppercase;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
  gap: 1rem;
  align-items: stretch;
}

.check-list {
  display: grid;
  gap: 0.6rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  border-left: 3px solid var(--mint);
  background: rgba(255, 255, 255, 0.045);
  padding: 0.72rem 0.9rem;
  color: var(--soft);
}

.code-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.code-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding: 1rem;
  color: var(--muted);
}

.code-top strong {
  color: var(--sun);
}

pre {
  flex: 1;
  margin: 0;
  overflow-x: auto;
  padding: 1rem;
  color: #caffe4;
  font-size: 0.9rem;
}

.metric-grid,
.acceptance-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric-grid article,
.acceptance-board article {
  padding: 1.15rem;
}

.metric-grid strong {
  display: block;
  margin: 0.35rem 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 0.96;
}

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

.safe-box {
  padding: clamp(1.25rem, 4vw, 2.2rem);
  background:
    linear-gradient(135deg, rgba(111, 240, 180, 0.09), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.05);
}

.handoff-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.handoff-grid span {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.9rem;
  color: var(--soft);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding: 1.4rem clamp(1rem, 5vw, 5rem);
  color: var(--muted);
}

.footer a {
  color: var(--ink);
}

@media (max-width: 920px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

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

  .hero {
    min-height: 0;
  }

  .proof-band,
  .metric-grid,
  .acceptance-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    position: relative;
  }

  h1 {
    font-size: clamp(2.45rem, 13vw, 4.2rem);
  }

  .hero {
    padding-top: 2.4rem;
  }

  .proof-stats,
  .wireframe,
  .handoff-grid {
    grid-template-columns: 1fr;
  }

  .wire-card.wide {
    grid-column: span 1;
  }

  .event-matrix > div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .preview-header {
    grid-template-columns: auto 1fr;
  }

  .preview-header strong {
    grid-column: span 2;
    text-align: center;
  }
}