/* Cnectivity, Inc. — Alex Golshan */

:root {
  --paper: #FBF9F5;
  --paper-alt: #F3EFE7;
  --ink: #1A1917;
  --ink-soft: #4A4640;
  --ink-mute: #7A746A;
  --tan: #9A8257;
  --tan-soft: #B9A88A;
  --rule: #E2DBCD;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --wrap: 1120px;
  --measure: 680px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.measure { max-width: var(--measure); }

/* ---------- header ---------- */

.site-head {
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: rgba(251, 249, 245, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  z-index: 50;
}
.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.4px;
}
.brand span { color: var(--tan); }
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  letter-spacing: 0.2px;
}
.nav a { color: var(--ink-soft); padding: 4px 0; border-bottom: 1px solid transparent; }
.nav a:hover { color: var(--ink); border-bottom-color: var(--tan); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--tan); }

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  background: var(--ink);
  color: var(--paper);
  padding: 13px 24px;
  border-radius: 2px;
  border: 1px solid var(--ink);
  transition: background 0.18s ease, color 0.18s ease;
  cursor: pointer;
}
.btn:hover { background: var(--tan); border-color: var(--tan); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

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

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -1px; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(40px, 6.2vw, 68px); letter-spacing: -2px; }
h2 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -1.2px; }
h3 { font-size: 23px; letter-spacing: -0.4px; line-height: 1.25; }

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.6px;
  text-transform: uppercase;
  color: var(--tan);
  margin: 0 0 20px;
}
.lede { font-size: clamp(20px, 2.3vw, 24px); line-height: 1.5; color: var(--ink-soft); font-weight: 300; }
p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 500; color: var(--ink); }

section { padding: 88px 0; }
section + section { border-top: 1px solid var(--rule); }
.tint { background: var(--paper-alt); }

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

.hero { padding: 108px 0 92px; }
.hero h1 { max-width: 15ch; }
.hero .lede { margin-top: 26px; max-width: 46ch; }
.hero .cta { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- proof ---------- */

.proof { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.proof div { background: var(--paper); padding: 30px 26px; }
.proof .fig { font-family: var(--serif); font-size: 34px; line-height: 1.05; letter-spacing: -1px; display: block; }
.proof .cap { font-size: 15px; color: var(--ink-mute); margin-top: 10px; line-height: 1.45; }

/* ---------- generic grids ---------- */

.cols { display: grid; gap: 34px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card { background: var(--paper); border: 1px solid var(--rule); padding: 32px; border-radius: 2px; }
.tint .card { background: var(--paper); }
.card h3 { margin-bottom: 12px; }
.card .price { font-family: var(--serif); font-size: 21px; color: var(--tan); margin-top: 18px; display: block; }
.card .meta { font-size: 14px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 14px; }

.doitem { border-top: 1px solid var(--rule); padding: 26px 0; display: grid; grid-template-columns: 220px 1fr; gap: 32px; }
.doitem:last-child { border-bottom: 1px solid var(--rule); }
.doitem h3 { font-family: var(--sans); font-size: 18px; font-weight: 500; letter-spacing: 0; }
.doitem p { color: var(--ink-soft); }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-family: var(--sans); font-size: 12px; font-weight: 500; letter-spacing: 1.8px; text-transform: uppercase; color: var(--ink-mute); }
td strong { font-weight: 500; }

/* ---------- writing ---------- */

.post-list { border-top: 1px solid var(--rule); }
.post-list a.row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 32px;
  padding: 30px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.post-list a.row:hover h3 { color: var(--tan); }
.post-list .date { font-size: 14px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--ink-mute); padding-top: 6px; }
.post-list .snip { color: var(--ink-soft); font-size: 17px; margin-top: 10px; }

article.post { max-width: var(--measure); }
article.post h2 { font-size: 28px; margin: 48px 0 16px; letter-spacing: -0.6px; }
article.post h3 { font-family: var(--sans); font-size: 18px; font-weight: 500; letter-spacing: 0; margin: 34px 0 12px; }
article.post ul, article.post ol { padding-left: 22px; margin: 0 0 1.15em; }
article.post li { margin-bottom: 8px; }
article.post .byline { font-size: 15px; color: var(--ink-mute); margin: 22px 0 0; }
article.post blockquote {
  margin: 34px 0;
  padding: 2px 0 2px 26px;
  border-left: 2px solid var(--tan-soft);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink);
}
.sources { margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--rule); font-size: 15px; color: var(--ink-mute); }
.sources a { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.sources a:hover { text-decoration-color: var(--tan); }
.sources ol { padding-left: 20px; }
.origin { margin-top: 30px; font-size: 15px; color: var(--ink-mute); }
.origin a { text-decoration: underline; text-decoration-color: var(--tan-soft); text-underline-offset: 3px; }

.editnote {
  background: #FFF8E6;
  border: 1px solid #E8D9A8;
  border-left: 3px solid var(--tan);
  padding: 22px 26px;
  margin: 34px 0;
  font-size: 16px;
  color: #6B5A28;
  border-radius: 2px;
}
.editnote strong { color: #4A3D14; }

/* ---------- about ---------- */

.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: start; }
.portrait { border: 1px solid var(--rule); border-radius: 2px; filter: grayscale(100%) contrast(1.04); }
.factbox { margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--rule); font-size: 16px; color: var(--ink-mute); }
.factbox a { text-decoration: underline; text-decoration-color: var(--tan-soft); text-underline-offset: 3px; }

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

.close { text-align: center; }
.close h2 { max-width: 20ch; margin: 0 auto; }
.close p { max-width: 50ch; margin: 22px auto 34px; color: var(--ink-soft); font-size: 20px; }

.site-foot { border-top: 1px solid var(--rule); padding: 44px 0; font-size: 15px; color: var(--ink-mute); }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.site-foot a { color: var(--ink-mute); }
.site-foot a:hover { color: var(--ink); }
.site-foot nav { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .proof { grid-template-columns: repeat(2, 1fr); }
  .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .portrait { max-width: 260px; }
}

@media (max-width: 700px) {
  body { font-size: 17px; }
  section { padding: 62px 0; }
  .hero { padding: 72px 0 60px; }
  .wrap { padding: 0 16px; }
  .proof, .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .doitem, .post-list a.row { grid-template-columns: 1fr; gap: 10px; }
  .site-head .wrap { min-height: 0; padding-top: 14px; padding-bottom: 14px; }
  .nav { gap: 18px; font-size: 14px; order: 3; width: 100%; }
  table { font-size: 15px; }
  th, td { padding: 12px 10px; }
}

@media print {
  .site-head, .site-foot, .btn { display: none; }
  body { background: #fff; }
}