/* -----------------------------------------------
   ArcForgeLabs — stylesheet
   Shared design system with Ephemeral Sentinel & Surface Sentinel.
----------------------------------------------- */


@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #070c18;
  --bg-surface: #0d1829;
  --bg-card: #111f35;
  --border: #1e3350;
  --accent: #2b7de9;
  --accent-dim: #1a5fc4;
  --accent-lt: #4d9ef7;
  --accent-cyan: #00c8e8;
  --accent-glow: rgba(43, 125, 233, 0.12);
  --text: #e8f0fe;
  --muted: #8faebf;
  --heading: #f0f4ff;
  --radius: 8px;
  --max-w: 1100px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(43, 125, 233, 0.12);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Base */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(ellipse 90% 50% at 50% 0%, rgba(43, 125, 233, 0.10) 0%, transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Grid overlay — matches EphemeralSentinel */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 51, 80, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 51, 80, 0.25) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 100% 50% at 50% 0%, black, transparent);
  mask-image: radial-gradient(ellipse 100% 50% at 50% 0%, black, transparent);
  pointer-events: none;
  z-index: 0;
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

img {
  display: block;
  max-width: 100%;
}

/* -----------------------------------------------
   Layout
----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

/* -----------------------------------------------
   Buttons
----------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-glow);
  color: var(--accent-lt);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--muted);
  color: var(--heading);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* -----------------------------------------------
   Header / Nav
----------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 12, 24, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(43, 125, 233, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--heading);
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--text);
}

.site-nav .btn {
  color: #fff;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

/* -----------------------------------------------
   Hero
----------------------------------------------- */
.hero {
  padding: 7rem 0 6rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 4rem;
  align-items: center;
}

.hero-headline {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--heading);
  letter-spacing: -0.03em;
}

.hero-sub {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.75;
}

/* -----------------------------------------------
   Hero report preview (light-themed mockup)
----------------------------------------------- */
.hero-preview {
  position: relative;
}

.report-preview {
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 24px 64px rgba(0, 0, 0, 0.55);
  color: #1a1a2e;
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
}

.rp-header {
  background: #1a1a2e;
  color: #fff;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rp-domain {
  font-weight: 600;
  font-size: 12px;
  color: #e8f0fe;
  font-family: 'JetBrains Mono', monospace;
}

.rp-product {
  font-size: 10px;
  color: #5a7abf;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rp-banner {
  padding: 10px 14px;
  background: #f57c00;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rp-risk {
  font-weight: 700;
  font-size: 13px;
}

.rp-score {
  font-size: 11px;
  opacity: 0.85;
}

.rp-findings {
  padding: 4px 0;
}

.rp-finding {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid #f0f2f5;
}

.rp-finding:last-child {
  border-bottom: none;
}

.rp-finding-ok {
  background: #fafbfc;
}

.rp-badge {
  flex-shrink: 0;
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 3px;
  padding: 2px 6px;
  margin-top: 2px;
}

.rp-bdg-medium {
  background: #fff3e0;
  color: #e65100;
}

.rp-bdg-low {
  background: #e8f5e9;
  color: #2e7d32;
}

.rp-bdg-pass {
  background: #e8f5e9;
  color: #2e7d32;
}

.rp-finding-content {
  flex: 1;
  min-width: 0;
}

.rp-finding-title {
  font-weight: 600;
  font-size: 12px;
  color: #1a1a2e;
  line-height: 1.4;
}

.rp-finding-desc {
  font-size: 11px;
  color: #6b7280;
  margin-top: 2px;
  line-height: 1.4;
}

.rp-footer {
  padding: 10px 14px;
  background: #f4f6f9;
  border-top: 1px solid #e0e4ea;
}

.rp-footer a {
  color: #1a5fc4;
  font-size: 11.5px;
  font-weight: 500;
  text-decoration: none;
}

.rp-footer a:hover {
  text-decoration: underline;
}

/* -----------------------------------------------
   Section headings
----------------------------------------------- */
.section-heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.02em;
  max-width: 640px;
  line-height: 1.3;
}

.section-body {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 560px;
  font-size: 1.05rem;
}

.section-closer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-style: italic;
}

/* -----------------------------------------------
   Problem
----------------------------------------------- */
.problem-list {
  margin-top: 1.75rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.problem-list li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
  font-size: 1.05rem;
}

.problem-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.problem-closer {
  margin-top: 2rem;
  font-weight: 600;
  color: var(--heading);
  font-size: 1.05rem;
}

/* -----------------------------------------------
   Products
----------------------------------------------- */
.products-lead {
  font-size: 0.875rem;
  color: var(--muted);
  font-style: italic;
  margin-top: 0.5rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.product-label {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--heading);
  letter-spacing: -0.01em;
}

.product-tagline {
  color: var(--accent-cyan);
  font-size: 0.975rem;
  font-weight: 500;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.25rem 0;
}

.product-features li {
  padding-left: 1.25rem;
  position: relative;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}

.product-outcome {
  color: var(--text);
  font-size: 0.95rem;
  font-style: italic;
  flex: 1;
}

.product-persona {
  color: var(--muted);
  font-size: 0.825rem;
  font-style: italic;
  margin-top: -0.25rem;
}

.product-live-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2ecc8a;
  background: rgba(46, 204, 138, 0.12);
  border: 1px solid rgba(46, 204, 138, 0.3);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  align-self: flex-start;
}

/* -----------------------------------------------
   Cross-sell bridge
----------------------------------------------- */
.cross-sell-bridge {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  border-left: 2px solid var(--accent-cyan);
  background: rgba(0, 200, 232, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cross-sell-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.01em;
}

.cross-sell-body {
  color: var(--muted);
  font-size: 0.975rem;
  line-height: 1.65;
  max-width: 620px;
}

.cross-sell-cta-text {
  color: var(--text);
  font-size: 0.975rem;
  line-height: 1.65;
  max-width: 620px;
}

/* -----------------------------------------------
   Automation
----------------------------------------------- */
.feature-list {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-list li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
}

.feature-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* -----------------------------------------------
   Advisory
----------------------------------------------- */
.advisory {
  background: var(--bg-surface);
}

.advisory-credential {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
}

/* -----------------------------------------------
   Trust
----------------------------------------------- */
.trust {
  background: var(--bg-card);
}

.trust-inner .section-body {
  max-width: 640px;
}

/* -----------------------------------------------
   Trust proof line
----------------------------------------------- */
.trust-proof {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  font-style: italic;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

/* -----------------------------------------------
   Final CTA
----------------------------------------------- */
.final-cta {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.final-cta-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.02em;
}

/* -----------------------------------------------
   Footer
----------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  background: var(--bg-surface);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-tagline {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-copy {
  color: var(--muted);
  font-size: 0.8rem;
  opacity: 0.5;
  margin-top: 0.5rem;
}

/* -----------------------------------------------
   Hero credential line
----------------------------------------------- */
.hero-credential {
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-style: italic;
}


/* -----------------------------------------------
   Report tier comparison (Low / Medium / High)
----------------------------------------------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.tier-card:hover {
  box-shadow: var(--shadow-glow);
}

.tier-card-low {
  border-top: 3px solid #2ecc8a;
}

.tier-card-medium {
  border-top: 3px solid #e0a052;
}

.tier-card-high {
  border-top: 3px solid #e05c5c;
}

.tier-card-header {
  padding: 1.25rem 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tier-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
}

.tier-low {
  color: #2ecc8a;
  background: rgba(46, 204, 138, 0.12);
  border: 1px solid rgba(46, 204, 138, 0.25);
}

.tier-medium {
  color: #e0a052;
  background: rgba(224, 160, 82, 0.12);
  border: 1px solid rgba(224, 160, 82, 0.25);
}

.tier-high {
  color: #e05c5c;
  background: rgba(224, 92, 92, 0.12);
  border: 1px solid rgba(224, 92, 92, 0.25);
}

.tier-score {
  font-size: 0.8rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.tier-card-body {
  padding: 1rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.tier-domain {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.tier-desc {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.55;
}

.tier-findings {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
}

.tier-findings li {
  font-size: 0.82rem;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}

.tier-findings li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--border);
  font-size: 0.75rem;
}

.tier-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--accent-lt);
  font-weight: 500;
  transition: color 0.2s;
}

.tier-link:hover {
  color: var(--heading);
}

/* -----------------------------------------------
   Advisory bio block
----------------------------------------------- */
.advisory-bio {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--accent);
  background: var(--accent-glow);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 1.5rem;
}

.advisory-bio-credential {
  color: var(--muted);
  font-size: 0.925rem;
  font-style: italic;
  line-height: 1.6;
}

/* -----------------------------------------------
   Coming Soon page
----------------------------------------------- */
.coming-soon-wrap {
  min-height: calc(100vh - 8rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
}

.coming-soon-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem 2.5rem;
  max-width: 580px;
  width: 100%;
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.coming-soon-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.coming-soon-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.coming-soon-body {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.coming-soon-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-top: 0.25rem;
}

.coming-soon-features li {
  padding-left: 1.25rem;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
}

.coming-soon-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}

.coming-soon-contact {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.coming-soon-contact a {
  color: var(--accent-lt);
}

/* -----------------------------------------------
   Status badge — Coming Soon (Ephemeral Sentinel)
----------------------------------------------- */
.ephemeral-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(143, 174, 191, 0.08);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  align-self: flex-start;
}

/* -----------------------------------------------
   Final CTA
----------------------------------------------- */
.final-cta-sub {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 1rem;
}

.final-cta-aside {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.final-cta-link {
  color: var(--accent-lt);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.final-cta-link:hover {
  color: var(--heading);
}

/* -----------------------------------------------
   About page
----------------------------------------------- */
.about {
  padding: 5rem 0 6rem;
}

.about-inner {
  max-width: 700px;
}

.about-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.about-heading {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 3rem;
}

.about-prose {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-prose p {
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.about-pull {
  padding: 1.25rem 1.5rem;
  border-left: 2px solid var(--accent);
  background: var(--accent-glow);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--heading);
  font-size: 1.0625rem;
  font-style: italic;
  line-height: 1.75;
}

.about-subheading {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.01em;
  margin-top: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.about-principles {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.about-principles li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

.about-principles li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.about-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.25rem;
}

.about-product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.about-product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  color: inherit;
}

.about-product-name {
  font-weight: 700;
  color: var(--heading);
  font-size: 0.975rem;
}

.about-product-desc {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.55;
}

.about-product-status {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.about-product-status-live {
  color: #2ecc8a;
}

.about-product-status-soon {
  color: var(--muted);
}

.about-bio {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.about-bio-photo {
  width: 7rem;
  height: 7rem;
  border-radius: var(--radius);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.about-bio-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 0.2rem;
}

.about-bio-title {
  font-size: 0.775rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.about-bio-blurb {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

.about-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

.about-philosophy-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.about-cta {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* -----------------------------------------------
   Responsive
----------------------------------------------- */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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


@media (max-width: 640px) {
  .site-nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 4rem 0;
  }

  .section {
    padding: 3.5rem 0;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }

  .hero-preview {
    display: none;
  }

  .about-bio {
    flex-direction: column;
  }

  .about-products {
    grid-template-columns: 1fr;
  }
}