:root {
  --bg: #0a0a0a;
  --panel: #101010;
  --panel-soft: #141414;
  --ink: #f3f3f3;
  --muted: #a3a3a3;
  --accent: #bfff00;
  --line: #2b2b2b;
}

* {
  box-sizing: border-box;
  border-radius: 0;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.5;
}

a {
  color: #e8ffa3;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

.site-header {
  border-bottom: 2px solid var(--line);
  padding: 0.85rem 1.1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: #000;
  display: grid;
  place-items: center;
}

.brand-lockup p {
  margin: 0;
  font-family: "Antonio", sans-serif;
  font-size: 1.45rem;
  letter-spacing: 0.03em;
}

.marquee {
  overflow: hidden;
  white-space: nowrap;
  color: #7f7f7f;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
}

.marquee span {
  display: inline-block;
  padding-right: 2rem;
  animation: marquee 24s linear infinite;
}

.header-cta {
  text-decoration: none;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #000;
  padding: 0.5rem 0.8rem;
  font-family: "Antonio", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.header-cta:hover {
  color: #000;
  background: #d8ff5e;
}

.layout {
  width: min(1200px, 94vw);
  margin: 1rem auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.panel {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 1.3rem;
}

.panel-hero {
  min-height: 300px;
  border-color: var(--accent);
  background: radial-gradient(circle at 90% 5%, #202a00 0%, var(--panel) 38%);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 0.78rem;
}

.panel-hero h1 {
  margin: 0.4rem 0 0;
  font-family: "Antonio", sans-serif;
  font-size: clamp(4rem, 12vw, 7.4rem);
  line-height: 0.86;
  color: var(--accent);
}

.hero-subline {
  margin: 0.9rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.hero-subline span {
  color: var(--accent);
  font-style: italic;
}

.hero-copy {
  margin: 0.55rem 0 0;
  max-width: 40ch;
  color: #d0d0d0;
}

.panel-features {
  padding: 0;
  overflow: hidden;
}

.feature-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: center;
  padding: 1.05rem 1.1rem;
  border-bottom: 2px solid var(--line);
}

.feature-row:last-child {
  border-bottom: 0;
}

.feature-row .material-symbols-outlined {
  color: var(--accent);
  font-size: 2rem;
}

.feature-row h2 {
  margin: 0;
  font-family: "Antonio", sans-serif;
  font-size: 1.7rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.feature-row p {
  margin: 0.25rem 0 0;
  color: #c7c7c7;
  font-size: 0.92rem;
}

.panel-signup {
  background: #bfff00;
  color: #050505;
  border-color: #d7ff66;
}

.panel-signup h2 {
  margin: 0;
  font-family: "Antonio", sans-serif;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.signup-copy {
  margin: 0.8rem 0 0;
  font-weight: 700;
  text-transform: uppercase;
}

.signup-detail {
  margin: 0.25rem 0 1rem;
  font-size: 0.95rem;
}

.signup-form {
  display: grid;
  gap: 0.45rem;
}

.signup-form label {
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr auto;
}

.form-row input {
  border: 2px solid #000;
  background: #0a0a0a;
  color: #f3f3f3;
  padding: 0.75rem;
  font-size: 1rem;
}

.form-row input::placeholder {
  color: #808080;
}

.form-row input:focus {
  outline: 2px solid #000;
  outline-offset: 2px;
}

.form-row button {
  border: 2px solid #000;
  border-left: 0;
  background: var(--accent);
  color: #000;
  padding: 0.75rem 1rem;
  font-family: "Antonio", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.form-row button:hover {
  background: #deff70;
}

.store-button {
  margin-top: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  border: 2px solid #000;
  color: #000;
  padding: 0.55rem 0.7rem;
  font-weight: 700;
  background: #d8ff5e;
}

.store-button:hover {
  color: #000;
  background: #f0ffb3;
}

.panel-metric {
  min-height: 300px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 1rem;
  background: linear-gradient(180deg, #0f0f0f 0%, #080808 100%);
}

.metric-frame {
  width: min(280px, 86%);
  aspect-ratio: 1 / 1;
  border: 2px solid var(--accent);
  display: grid;
  place-items: center;
  position: relative;
}

.metric-frame::before,
.metric-frame::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px solid #516000;
}

.metric-value {
  margin: 0;
  font-family: "Antonio", sans-serif;
  font-size: clamp(4rem, 8vw, 5.5rem);
  color: #fff;
  line-height: 0.9;
}

.metric-label {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

.metric-note {
  margin: 0;
  color: #747474;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.site-footer {
  width: min(1200px, 94vw);
  margin: 0 auto 1.4rem;
  border: 2px solid var(--line);
  background: var(--panel-soft);
  padding: 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  border-bottom: 2px solid var(--line);
  padding-bottom: 0.85rem;
  margin-bottom: 0.8rem;
}

.footer-col h3 {
  margin: 0 0 0.35rem;
  font-family: "Antonio", sans-serif;
  text-transform: uppercase;
  color: #cdcdcd;
  font-size: 1.1rem;
}

.footer-col {
  display: grid;
  gap: 0.32rem;
}

.footer-col a {
  color: #f0f0f0;
  text-decoration-color: var(--accent);
}

.medical-disclaimer {
  margin: 0;
  color: #b2b2b2;
  font-size: 0.77rem;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .marquee {
    display: none;
  }

  .layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}