:root {
  color-scheme: dark;
  --bg: #090b0f;
  --panel: #10151d;
  --panel-2: #151c26;
  --text: #eef4ff;
  --muted: #9aa8bc;
  --line: #263244;
  --green: #62e6a8;
  --cyan: #66d9ef;
  --amber: #f7c873;
  --red: #ff7b8a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(9, 11, 15, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.brand,
nav,
.actions,
.tool-actions,
.score-row,
footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.mark,
.icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #07100c;
  font-weight: 900;
}

nav {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 560px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(36px, 6vw, 90px) clamp(18px, 4vw, 56px) 48px;
  background:
    linear-gradient(135deg, rgba(98, 230, 168, 0.14), transparent 34%),
    linear-gradient(315deg, rgba(102, 217, 239, 0.12), transparent 38%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  font-size: 20px;
}

.lede {
  max-width: 720px;
  color: #c8d4e6;
  font-size: 20px;
  line-height: 1.55;
}

.actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button,
button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  cursor: pointer;
}

.primary,
button {
  background: var(--green);
  color: #07100c;
}

.secondary {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.terminal-panel,
.scanner,
.features article,
.pricing article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 21, 29, 0.92);
  box-shadow: var(--shadow);
}

.terminal-panel {
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #0c1017;
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--red);
}

.terminal-bar span:nth-child(2) {
  background: var(--amber);
}

.terminal-bar span:nth-child(3) {
  background: var(--green);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #d9fbe9;
  font: 13px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.terminal-panel pre {
  padding: 22px;
}

.strip {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px clamp(18px, 4vw, 56px);
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background: #0d1118;
  color: var(--muted);
}

.strip span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.section {
  padding: 82px clamp(18px, 4vw, 56px);
}

.section-head {
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 18px;
}

.features {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.how {
  background: #0c1016;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.steps div {
  display: flex;
  gap: 14px;
  min-height: 88px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.steps strong {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--cyan);
  color: #07100c;
}

.scanner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}

.input-pane,
.output-pane {
  padding: 22px;
  background: var(--panel);
}

label {
  display: block;
  margin: 0 0 8px;
  color: #d7e2f2;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #090d13;
  color: var(--text);
  font: 14px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

input {
  height: 42px;
  margin-bottom: 18px;
  padding: 0 12px;
}

textarea {
  min-height: 360px;
  resize: vertical;
  padding: 14px;
}

.tool-actions {
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.tool-actions button:nth-child(2) {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
}

.score-row {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.muted {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

#score {
  display: block;
  font-size: 46px;
  line-height: 1;
}

.level {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(102, 217, 239, 0.14);
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
}

.summary {
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b1017;
  color: #d7e2f2;
}

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

ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

#commands {
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080b10;
}

.pricing {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
}

.pricing .pro {
  border-color: rgba(98, 230, 168, 0.55);
}

.price {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 44px;
  font-weight: 900;
}

.price span {
  color: var(--muted);
  font-size: 18px;
}

footer {
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

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

@media (max-width: 980px) {
  .hero,
  .scanner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  .topbar,
  nav,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
  }

  .features,
  .steps,
  .pricing,
  .output-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 42px;
  }
}