/* Nexzena LLC — one stylesheet, no framework, no build step. */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400;0,500;0,600;1,400&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Palette sampled from the Nexzena mark: navy, brand blue, cyan. */
  --bg:      #fafbfc;
  --surface: #f0f2f6;
  --ink:     #010a29;
  --ink-60:  #4d566d;
  --ink-40:  #8a91a6;
  --rule:    #e2e5ec;
  --blue:    #0968ea;
  --cyan:    #01e8f4;
  --blue-so: #e6f0fd;

  --sans:  'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --gut: clamp(20px, 5vw, 68px);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Fine grain. Keeps flat colour from feeling like a default template. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Gradient hairline across the top — echoes the cyan-to-blue run in the mark. */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 20;
  background: linear-gradient(90deg, var(--cyan), var(--blue) 55%, var(--ink));
}

.wrap { max-width: 1220px; margin: 0 auto; padding: 0 var(--gut); }

a { color: inherit; }
::selection { background: var(--blue); color: #fff; }

/* ---------- shared type ---------- */

.label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-40);
}

/* Italic serif inside grotesque headlines — the one flourish in the system. */
em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--blue);
  letter-spacing: 0;
}

/* ---------- masthead ---------- */

header.masthead {
  position: sticky;
  top: 3px;
  z-index: 10;
  background: rgba(250, 251, 252, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.masthead .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 17px;
  padding-bottom: 16px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.02em;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark img {
  height: 26px;
  width: auto;
  display: block;
}
.wordmark b { font-weight: 600; letter-spacing: -.02em; }
.wordmark span {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--ink-40);
  vertical-align: 3px;
  margin-left: 6px;
}

nav.top { display: flex; align-items: center; gap: clamp(14px, 3vw, 30px); }
nav.top a {
  font-size: 14px;
  font-weight: 450;
  text-decoration: none;
  color: var(--ink-60);
  transition: color .16s ease;
}
nav.top a:hover { color: var(--ink); }

/* ---------- buttons ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--ink);
  color: var(--bg);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -.005em;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 999px;
  transition: background .18s ease, transform .18s ease;
}
.pill:hover { background: var(--blue); transform: translateY(-1px); }
.pill::after { content: '\2192'; font-family: var(--mono); font-size: 13px; }

.pill.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.pill.ghost:hover { background: var(--surface); color: var(--ink); border-color: var(--ink-40); }

/* ---------- hero ---------- */

.hero {
  padding-top: clamp(54px, 10vh, 118px);
  padding-bottom: clamp(46px, 8vh, 96px);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6.6vw, 5.2rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -.035em;
  max-width: 17ch;
}

.hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
  margin-top: clamp(34px, 6vw, 64px);
}
@media (min-width: 880px) {
  .hero-foot { grid-template-columns: minmax(0, 1fr) minmax(0, 250px); }
}

.hero-foot p {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: clamp(16.5px, 1.4vw, 18.5px);
  color: var(--ink-60);
}

.stamp { display: grid; gap: 0; }
.stamp div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--ink-40);
}
.stamp div:first-child { border-top: 1px solid var(--ink); }
.stamp div b { font-weight: 400; color: var(--ink); }

/* ---------- section frame ---------- */

section.block {
  padding-top: clamp(46px, 7vw, 88px);
  padding-bottom: clamp(46px, 7vw, 88px);
  border-top: 1px solid var(--rule);
  scroll-margin-top: 70px;
}

.block-head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.block-head .num { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--blue); }

/* ---------- product ledger ---------- */

.ledger { border-top: 1px solid var(--ink); }

.entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px 40px;
  padding: clamp(26px, 4vw, 42px) 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 860px) {
  .entry { grid-template-columns: 200px minmax(0, 1fr) 140px; align-items: start; }
}

.entry h3 {
  margin: 0;
  font-size: clamp(1.7rem, 2.9vw, 2.15rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -.03em;
}
.entry .kind {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-40);
  margin-top: 8px;
}
.entry p { margin: 0 0 14px; max-width: 62ch; color: var(--ink-60); }

.status {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-40);
  display: flex;
  align-items: center;
  gap: 8px;
}
.status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); flex: none; }
.status.quiet::before { background: var(--ink-40); }

.entry.dim h3, .entry.dim .kind { color: var(--ink-40); }

/* dashboard module grid inside the Thrivync entry */
.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  margin: 20px 0 22px;
}
.modules div { background: var(--bg); padding: 15px 16px 16px; }
.modules dt {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 6px;
}
.modules dd { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--ink-60); }

.link-out {
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1.5px solid var(--rule);
  padding-bottom: 1px;
  transition: color .16s ease, border-color .16s ease;
}
.link-out:hover { color: var(--blue); border-bottom-color: var(--blue); }
.link-out::after { content: ' \2197'; font-family: var(--mono); font-size: 12px; }

/* ---------- practice ---------- */

.practice {
  display: grid;
  gap: clamp(26px, 4vw, 40px) clamp(30px, 5vw, 68px);
  grid-template-columns: 1fr;
}
@media (min-width: 780px) { .practice { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.practice article { max-width: 50ch; padding-top: 18px; border-top: 1px solid var(--rule); }
.practice h4 {
  margin: 0 0 9px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.practice h4 .n {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  color: var(--blue);
  margin-right: 10px;
  letter-spacing: .1em;
  vertical-align: 1.5px;
}
.practice p { margin: 0; color: var(--ink-60); font-size: 15.5px; }

/* ---------- contact ---------- */

.contact-grid { display: grid; gap: clamp(32px, 5vw, 60px); grid-template-columns: 1fr; }
@media (min-width: 880px) { .contact-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); } }

a.big-mail {
  display: inline-block;
  font-size: clamp(1.35rem, 3.4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.035em;
  text-decoration: none;
  border-bottom: 2px solid var(--rule);
  padding-bottom: 4px;
  transition: color .18s ease, border-color .18s ease;
  word-break: break-word;
}
a.big-mail:hover { color: var(--blue); border-bottom-color: var(--blue); }

.contact-note { margin: 20px 0 0; max-width: 45ch; color: var(--ink-60); }

dl.facts { margin: 0; }
dl.facts > div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
dl.facts > div:first-child { border-top: 1px solid var(--ink); }
dl.facts dt {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-40);
  padding-top: 4px;
}
dl.facts dd { margin: 0; font-size: 15px; word-break: break-word; }
dl.facts dd a { text-decoration: none; border-bottom: 1px solid var(--rule); }
dl.facts dd a:hover { border-bottom-color: var(--blue); color: var(--blue); }

/* ---------- footer ---------- */

footer.foot { border-top: 1px solid var(--ink); padding: 24px 0 38px; }
footer.foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  align-items: baseline;
}
footer.foot p, footer.foot nav {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-40);
  letter-spacing: .04em;
}
footer.foot nav { display: flex; gap: 20px; }
footer.foot a { text-decoration: none; }
footer.foot a:hover { color: var(--blue); }

.foot-brand { display: grid; gap: 16px; justify-items: start; }
.foot-mark { height: 74px; width: auto; display: block; }

/* ---------- legal pages ---------- */

.doc { padding-top: clamp(42px, 6vw, 76px); padding-bottom: clamp(54px, 8vw, 96px); }
.doc-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -.035em;
  margin: 14px 0 0;
}
.doc-meta { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--rule); }

.doc-body { max-width: 68ch; margin-top: clamp(32px, 5vw, 52px); }
.doc-body h2 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.02em;
  margin: 42px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}
.doc-body h2 .n { font-family: var(--mono); font-size: 10.5px; font-weight: 400; color: var(--blue); margin-right: 10px; }
.doc-body h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.doc-body p, .doc-body li { color: var(--ink-60); font-size: 15.5px; }
.doc-body p { margin: 0 0 14px; }
.doc-body ul { margin: 0 0 14px; padding-left: 20px; }
.doc-body li { margin-bottom: 6px; }
.doc-body a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
.doc-body a:hover { color: var(--blue); border-bottom-color: var(--blue); }
.doc-body strong { font-weight: 600; color: var(--ink); }

.back { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; text-decoration: none; color: var(--ink-40); }
.back:hover { color: var(--blue); }
.back::before { content: '\2190 '; }