:root {
  color-scheme: dark;
  --bg: #080a0f;
  --band: #0d121a;
  --panel: #101722;
  --panel-2: #131d2a;
  --line: #233044;
  --text: #f3f7fb;
  --muted: #9eacbc;
  --green: #4ade80;
  --cyan: #38bdf8;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --red: #fb7185;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 10, 15, 0.9);
  backdrop-filter: blur(18px);
}

.brand,
.nav nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(74, 222, 128, 0.45);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.16), rgba(56, 189, 248, 0.16));
  color: var(--green);
  font-size: 13px;
}

.nav nav a {
  color: var(--muted);
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: clamp(28px, 6vw, 72px);
  min-height: calc(100vh - 68px);
  align-items: center;
  padding: clamp(56px, 8vw, 108px) clamp(18px, 6vw, 92px) 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  font-size: 19px;
  letter-spacing: 0;
}

.subhead {
  max-width: 740px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions,
.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 16px;
  color: var(--text);
  background: var(--panel-2);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
button#analyze {
  border-color: rgba(74, 222, 128, 0.42);
  background: var(--green);
  color: #07110b;
}

.button.ghost,
button#export {
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.1);
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(16, 23, 34, 0.96), rgba(10, 15, 23, 0.96));
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
}

.panel-bar {
  display: flex;
  gap: 7px;
  margin-bottom: 18px;
}

.panel-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}

.score-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.score-row strong {
  color: var(--green);
  font-size: 28px;
}

.score-row.warm strong {
  color: var(--amber);
}

.score-row.watch strong {
  color: var(--muted);
}

.feature-band,
.tool-section,
.how,
.pricing {
  padding: 76px clamp(18px, 6vw, 92px);
  background: var(--band);
}

.tool-section,
.pricing {
  background: var(--bg);
}

.section-heading {
  max-width: 740px;
  margin-bottom: 28px;
}

.features,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.features article,
.pricing-grid article,
.lead-card,
.input-panel,
.output-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.features article,
.pricing-grid article {
  padding: 22px;
}

.features p,
.pricing li,
.steps span {
  color: var(--muted);
  line-height: 1.55;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 30px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: rgba(74, 222, 128, 0.12);
  color: var(--green);
  font-weight: 900;
}

.tool-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 18px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 16px;
}

.input-panel,
.output-panel {
  padding: 16px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

textarea {
  width: 100%;
  margin-bottom: 16px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  background: #070b12;
  color: var(--text);
  font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.summary-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel-2);
}

.summary-grid strong {
  display: block;
  font-size: 28px;
}

.summary-grid span {
  color: var(--muted);
  font-size: 12px;
}

.results {
  display: grid;
  gap: 12px;
}

.lead-card {
  padding: 18px;
}

.lead-topline,
.signals {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.badge,
.signals span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(255, 255, 255, 0.04);
}

.hot .badge {
  color: var(--green);
}

.warm .badge {
  color: var(--amber);
}

blockquote {
  margin: 14px 0;
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
  color: #dbeafe;
}

details {
  margin-top: 12px;
}

summary {
  cursor: pointer;
  color: var(--green);
  font-weight: 800;
}

pre {
  overflow-x: auto;
  white-space: pre-wrap;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #070b12;
  color: var(--text);
}

.inline-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--cyan);
  font-weight: 800;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.steps article {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
}

.steps strong {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--green);
  color: #07110b;
}

.pricing-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pricing-grid .pro {
  border-color: rgba(74, 222, 128, 0.45);
}

.price {
  font-size: 42px;
  font-weight: 900;
}

li {
  margin-bottom: 10px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px clamp(18px, 6vw, 92px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #05070b;
}

footer a {
  color: var(--green);
}

@media (max-width: 960px) {
  .hero,
  .workspace,
  .features,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .tool-header {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .pricing-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 42px;
  }
}