:root {
  color-scheme: dark;
  --bg: #07110d;
  --surface: #0d1b16;
  --card: #10231c;
  --line: #244137;
  --text: #f5fff9;
  --muted: #a7bcb2;
  --accent: #00ff88;
  --accent-strong: #1ecb77;
  --warm: #f5d36c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(0, 255, 136, 0.16), transparent 32rem),
    linear-gradient(180deg, #07110d 0%, #09130f 55%, #050a08 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 17, 13, 0.82);
  backdrop-filter: blur(16px);
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand {
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.45rem;
  background: var(--accent);
  color: #00180c;
}

nav a {
  color: var(--muted);
  font-size: 0.92rem;
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: calc(100vh - 4.25rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding: 4rem 0;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 12ch;
  margin-bottom: 1.2rem;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.92;
}

h2 {
  max-width: 14ch;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
}

.hero-copy > p:not(.eyebrow),
.copy-block p {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.actions,
.consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #03150b;
}

.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-panel,
article,
.copy-block,
.contact-form,
.consent {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(16, 35, 28, 0.82);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

.hero-panel {
  padding: 1.1rem;
}

.panel-head {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 2rem;
}

.panel-head span {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: var(--line);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

.metric-row strong {
  color: var(--accent);
}

.chart {
  display: flex;
  height: 15rem;
  align-items: end;
  gap: 0.7rem;
  margin: 1.2rem 0;
}

.chart i {
  flex: 1;
  border-radius: 0.4rem 0.4rem 0 0;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
}

.panel-note {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
}

.section {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding: 6rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

article,
.copy-block,
.contact-form {
  padding: 1.2rem;
}

article span {
  color: var(--warm);
  font-weight: 900;
}

article p,
.contact-form label {
  color: var(--muted);
  line-height: 1.7;
}

code {
  display: block;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  padding: 1rem;
  background: #06100c;
  color: var(--accent);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: #08140f;
  color: var(--text);
  font: inherit;
  padding: 0.9rem 1rem;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

.hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
}

.form-status {
  min-height: 1.5rem;
  color: var(--accent);
}

.consent {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  display: grid;
  width: min(34rem, calc(100% - 2rem));
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1rem;
}

.consent p {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.hidden {
  display: none;
}

@media (max-width: 860px) {
  .hero,
  .section {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.8rem, 16vw, 4.8rem);
  }

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

  nav {
    display: none;
  }

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