:root {
  --color-bg: #f6f9f7;
  --color-bg-alt: #e3ebe6;
  --color-text: #16211b;
  --color-text-muted: #52645a;
  --color-accent: #0f8f63;
  --color-accent-dark: #0b7a54;
  --color-border: #dbe4de;
  --radius: 8px;
  --max-width: 960px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

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

code {
  font-family: "SF Mono", "Menlo", "Consolas", "Liberation Mono", monospace;
  font-size: 0.9em;
  background: var(--color-bg-alt);
  color: var(--color-accent-dark);
  padding: 2px 6px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: #f6f9f7;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

/* Hero */
.hero {
  padding: 64px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 16px;
}

.hero .subtitle {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 20px;
}

.badge-trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 28px;
}

.badge-trust:hover {
  border-color: var(--color-accent);
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: center;
  text-align: left;
}

.hero-content .subtitle {
  margin: 0 0 20px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.report-preview {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content .subtitle {
    margin: 0 auto 20px;
  }

  .hero-visual {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }
}

/* Sections */
section,
footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

section h2 {
  font-size: 1.6rem;
  text-align: center;
  margin: 0 0 32px;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.step {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 20px;
}

.step .step-num {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
}

.step-optional {
  margin-top: 16px;
}

.step-optional .step-num {
  color: var(--color-text-muted);
}

.statusline-preview {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.install-cmd-wrap {
  position: relative;
  max-width: 640px;
  margin: 0 auto 32px;
  cursor: pointer;
}

.install-cmd-wrap code {
  display: block;
  background: var(--color-bg-alt);
  color: var(--color-text);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
}

.install-cmd-wrap:hover code {
  border-color: var(--color-accent);
}

.copy-feedback {
  position: absolute;
  top: -24px;
  right: 0;
  font-size: 0.8rem;
  color: var(--color-accent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.copy-feedback.visible {
  opacity: 1;
}

/* Criteria */
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.criterion-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.criterion-card .criterion-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 8px;
}

/* Why ranges */
.why-ranges p {
  max-width: 720px;
  margin: 0 auto 16px;
}

.why-ranges .links {
  text-align: center;
  margin-top: 24px;
}

/* Multi-tools */
.tools-list {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tools-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-weight: 600;
}

.tools-list img {
  display: block;
}

.models-note {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 20px auto 0;
}

/* Footer */
.footer {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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