/* Pixel Pulse Analytics — Systems Studio redesign */
:root {
  --paper: #faf8f3;
  --paper-warm: #f4f0e6;
  --paper-deep: #ebe4d2;
  --ink: #161616;
  --ink-soft: #454545;
  --ink-muted: #77736a;
  --rule: #d8d0bd;
  --accent: #2f5d54;
  --accent-blue: #315c7c;
  --accent-gold: #b67d2c;
  --accent-rust: #a75d3b;
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, .brand, .serif {
  font-family: Fraunces, Georgia, serif;
  font-optical-sizing: auto;
}

.mono, .eyebrow, .label, .price, nav a, .btn, .tag, .meta, .copy-email {
  font-family: "JetBrains Mono", "SF Mono", Consolas, monospace;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--rule);
  background: rgba(250, 248, 243, 0.94);
  backdrop-filter: blur(10px);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: 18px;
  white-space: nowrap;
}
.brand::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  margin-right: 9px;
  vertical-align: middle;
}
nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
nav a {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink-soft);
}
nav a:hover { color: var(--accent); }
.nav-cta {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 9px 13px;
}
.nav-cta:hover { background: var(--accent); }

.hero {
  padding: 92px 0 76px;
  border-bottom: 1px solid var(--rule);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 62px;
  align-items: end;
}
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
h1 {
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 420;
  max-width: 940px;
  margin-bottom: 30px;
}
h1 em, h2 em, h3 em { color: var(--accent); font-style: italic; font-weight: 400; }
.hero-copy {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 21px;
  line-height: 1.52;
  margin-bottom: 34px;
}
.hero-copy strong { color: var(--ink); font-weight: 650; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  padding: 14px 20px;
  border: 1px solid var(--ink);
  transition: 0.2s ease;
  min-height: 48px;
}
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.btn.secondary { background: transparent; color: var(--ink); }
.btn.secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.status-card {
  border-left: 1px solid var(--rule);
  padding-left: 26px;
}
.status-card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 12px;
}
.status-card h2 {
  font-size: 24px;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.status-card p { color: var(--ink-soft); font-size: 15px; }

.section { padding: 78px 0; border-bottom: 1px solid var(--rule); }
.section.alt { background: var(--paper-warm); }
.section-head {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 52px;
  margin-bottom: 44px;
}
.section-num { color: var(--ink-muted); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 430;
  max-width: 860px;
}
.section-intro { max-width: 760px; margin-top: 16px; color: var(--ink-soft); font-size: 18px; }
.section-intro a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 26px;
  min-height: 100%;
}
.card:hover { border-color: var(--accent); }
.card .label { color: var(--accent); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
.card h3 { font-size: 25px; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 15.5px; }
.card p + p { margin-top: 12px; }
.card ul { margin: 16px 0 0 18px; color: var(--ink-soft); font-size: 15px; }
.card li + li { margin-top: 7px; }
.card .meta { margin-top: 18px; color: var(--ink-muted); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.card-link { text-decoration: none; display: block; }

.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.offer {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.offer:hover { border-color: var(--accent); transform: translateY(-2px); transition: 0.2s ease; }
.offer h3 { font-size: 23px; line-height: 1.12; letter-spacing: -0.02em; }
.offer p { color: var(--ink-soft); font-size: 15px; }
.offer .price { color: var(--ink); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; margin-top: auto; }
.offer a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent); width: fit-content; font-size: 14px; }

.strip {
  background: var(--ink);
  color: var(--paper);
  padding: 46px 0;
}
.strip-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
.strip h3 { font-size: 25px; margin-bottom: 8px; }
.strip p { color: #d8d2c2; font-size: 15px; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { border-top: 1px solid var(--rule); padding-top: 22px; }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  margin-bottom: 12px;
}
.step h3 { font-size: 21px; margin-bottom: 8px; }
.step p { color: var(--ink-soft); font-size: 15px; }

.service-hero { padding: 72px 0 56px; border-bottom: 1px solid var(--rule); }
.service-hero h1 { max-width: 980px; }
.service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 30px;
}
.tag {
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  padding: 7px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.detail-list { display: grid; gap: 12px; }
.detail-list li { list-style: none; border-bottom: 1px solid var(--rule); padding-bottom: 12px; color: var(--ink-soft); }
.detail-list strong { color: var(--ink); }

.example-stack { display: grid; gap: 22px; }
.example-card {
  border: 1px solid var(--rule);
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.example-side { padding: 26px; }
.example-side.before { background: #f1eadb; border-right: 1px solid var(--rule); }
.example-side.after { background: var(--paper); }
.example-side h3 { font-size: 24px; margin-bottom: 12px; }
.example-side ul { margin-left: 18px; color: var(--ink-soft); }
.example-side li + li { margin-top: 8px; }
.example-card .meta { padding: 0 26px 24px; grid-column: 1 / -1; }

.notice {
  background: var(--paper-deep);
  border-left: 4px solid var(--accent);
  padding: 22px;
  color: var(--ink-soft);
}

.close { padding: 82px 0; background: var(--paper-warm); }
.close h2 { margin-bottom: 22px; }
.close p { max-width: 720px; color: var(--ink-soft); font-size: 19px; margin-bottom: 28px; }

.contact-panel {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 28px;
}
.contact-panel h3 { margin-bottom: 12px; }
.contact-panel p + p { margin-top: 10px; }
.contact-list { display: grid; gap: 14px; margin-top: 20px; }
.contact-list a { color: var(--accent); overflow-wrap: anywhere; }
.copy-email {
  display: inline-block;
  width: 100%;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  padding: 12px 14px;
  color: var(--ink);
  font-size: 14px;
  overflow-wrap: anywhere;
}

footer { padding: 44px 0 58px; color: var(--ink-muted); font-size: 13px; }
footer .container { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--rule); padding-top: 28px; }
footer a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid transparent; }
footer a:hover { color: var(--accent); border-color: var(--accent); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .section-head, .grid-2, .grid-3, .offer-grid, .strip-grid, .steps, .example-card { grid-template-columns: 1fr; }
  .topbar .container {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  nav { justify-content: flex-start; gap: 12px; }
  .hero { padding: 60px 0; }
  .status-card { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 24px; }
  .section { padding: 58px 0; }
  .offer, .card, .example-side { padding: 22px; }
  .example-side.before { border-right: 0; border-bottom: 1px solid var(--rule); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  .topbar .container { gap: 12px; }
  .brand { font-size: 17px; }
  nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }
  nav a:not(.nav-cta) { display: none; }
  .nav-cta { text-align: center; padding: 11px 14px; }
  h1 { font-size: clamp(40px, 14vw, 58px); letter-spacing: -0.045em; }
  h2 { font-size: clamp(30px, 10vw, 44px); }
  .hero-copy, .section-intro, .close p { font-size: 18px; }
  .service-hero { padding: 52px 0 44px; }
  .service-meta { gap: 8px; }
  .tag { width: 100%; text-align: center; }
  .btn { width: 100%; }
  footer .container { display: grid; }
}