/* OpenSet marketing site - shared styles.
   Light editorial theme with dark OpenSet accents. */

:root {
  --bg: #FFFDF8;
  --surface: #FFFFFF;
  --surface-warm: #FFF7ED;
  --surface-strong: #F3E9DA;
  --ink: #101A1A;
  --text: #101A1A;
  --text-muted: #5F6864;
  --border: rgba(16, 26, 26, 0.16);
  --border-strong: #101A1A;
  --primary: #F97316;
  --primary-dark: #C7530D;
  --primary-text: #101A1A;
  --cream: #FFF7ED;
  --shadow: 0 14px 34px rgba(16, 26, 26, 0.08);
  --max-width: 1080px;
  --post-width: 680px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

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

a { color: var(--primary-dark); }

.wrap {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 253, 248, 0.96);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.brand img.mark { width: 32px; height: 32px; }
.brand img.wordmark { height: 20px; width: auto; }

.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 750;
  font-size: 14px;
  letter-spacing: 0;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--primary-dark);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px solid var(--border-strong);
  border-radius: 8px;
  padding: 11px 20px;
  font-weight: 850;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  background: var(--surface);
  color: var(--text);
}

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

.btn-primary:hover { filter: brightness(1.03); }
.btn:not(.btn-primary):hover { border-color: var(--primary); color: var(--primary-dark); }

/* ---------- Hero ---------- */

.eyebrow {
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

h1.display {
  margin: 0;
  font-size: 64px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
  line-height: 1;
  max-width: 16ch;
}

.tagline {
  color: var(--primary-dark);
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 14px;
  margin: 14px 0 0;
}

.lede {
  color: var(--text-muted);
  font-size: 19px;
  max-width: 58ch;
  margin: 18px 0 0;
}

.hero {
  padding: 82px 0 66px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(249, 115, 22, 0.08), rgba(255, 253, 248, 0) 62%),
    var(--bg);
}

.hero.compact {
  padding: 58px 0 48px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 38px;
  max-width: 900px;
}

.proof-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  box-shadow: 0 8px 18px rgba(16, 26, 26, 0.04);
}

.proof-item strong {
  display: block;
  color: var(--text);
  font-size: 15px;
  line-height: 1.2;
}

.proof-item span {
  display: block;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

/* ---------- Sections ---------- */

section.block {
  padding: 68px 0;
  border-bottom: 1px solid var(--border);
}

section.block:last-of-type { border-bottom: none; }

.block-dark {
  background: var(--ink);
  color: var(--cream);
}

.block-dark .section-title,
.block-dark .card h3 {
  color: var(--cream);
}

.block-dark .section-sub,
.block-dark .card p {
  color: rgba(255, 247, 237, 0.74);
}

.block-dark .card {
  background: rgba(255, 247, 237, 0.06);
  border-color: rgba(255, 247, 237, 0.16);
  box-shadow: none;
}

.block-dark .card .icon {
  background: var(--primary);
  color: var(--primary-text);
}

.block-warm {
  background:
    linear-gradient(180deg, rgba(249, 115, 22, 0.08), rgba(255, 247, 237, 0.72)),
    var(--surface-warm);
}

.block-warm .card {
  background: rgba(255, 253, 248, 0.9);
}

h2.section-title {
  font-size: 32px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0 0 10px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 62ch;
  margin: 0 0 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 850;
  line-height: 1.15;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
  font-size: 13px;
  margin-bottom: 14px;
}

/* ---------- Field Notes ---------- */

.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.article-row {
  display: block;
  background: var(--surface);
  padding: 26px 28px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(16, 26, 26, 0.05);
}

.article-row:hover {
  border-color: rgba(249, 115, 22, 0.55);
  transform: translateY(-1px);
}

.article-row.featured {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

.article-row.featured p,
.article-row.featured .article-meta {
  color: rgba(255, 247, 237, 0.72);
}

.article-tag {
  display: inline-block;
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.article-row.featured .article-tag {
  color: var(--primary);
}

.article-row h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.12;
}

.article-row p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  max-width: 62ch;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 750;
  margin-top: 16px;
}

.category-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--text-muted);
  background: rgba(16, 26, 26, 0.03);
  font-size: 13px;
  font-weight: 800;
}

.category-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-text);
}

/* ---------- Article page ---------- */

article.post { padding: 60px 0 90px; }

.post-header { max-width: var(--post-width); margin: 0 auto 32px; }

.post-header h1 {
  font-size: 44px;
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.08;
  margin: 14px 0 0;
  text-transform: none;
}

.post-meta {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 750;
  margin-top: 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.post-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: var(--text-muted);
}

.post-note {
  max-width: var(--post-width);
  margin: 0 auto 34px;
  background: var(--surface-warm);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  color: var(--text-muted);
}

.post-note strong { color: var(--text); }

.post-body {
  max-width: var(--post-width);
  margin-left: auto;
  margin-right: auto;
  font-size: 17px;
  color: var(--text-muted);
}

.post-body p { margin: 0 0 20px; }

.post-body h2 {
  color: var(--text);
  font-size: 24px;
  font-weight: 900;
  margin: 42px 0 16px;
}

.post-body strong { color: var(--text); }

.post-body ul, .post-body ol {
  margin: 0 0 20px;
  padding-left: 22px;
}

.post-body li { margin: 8px 0; }

.pull-quote {
  border-left: 4px solid var(--primary);
  padding-left: 20px;
  margin: 32px 0;
  font-size: 19px;
  color: var(--text);
  font-weight: 800;
}

.post-cta {
  margin: 56px auto 0;
  padding: 28px;
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 8px;
  max-width: var(--post-width);
  color: var(--cream);
}

.post-cta p {
  color: rgba(255, 247, 237, 0.78);
  margin: 0 0 16px;
  font-size: 15px;
}

.post-cta .btn:not(.btn-primary) {
  background: transparent;
  color: var(--cream);
  border-color: rgba(255, 247, 237, 0.76);
}

/* ---------- Waitlist form ---------- */

.waitlist {
  background: rgba(255, 247, 237, 0.06);
  border: 1px solid rgba(255, 247, 237, 0.18);
  border-radius: 8px;
  padding: 30px;
  max-width: 760px;
  box-shadow: none;
}

.waitlist p,
.waitlist .fine-print {
  color: rgba(255, 247, 237, 0.76);
}

.waitlist form {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.waitlist .input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.waitlist input[type="email"],
.waitlist input[type="text"] {
  width: 100%;
  border: 2px solid rgba(255, 247, 237, 0.78);
  border-radius: 8px;
  background: rgba(255, 247, 237, 0.08);
  color: var(--cream);
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
}

.waitlist input::placeholder { color: rgba(255, 247, 237, 0.58); }

.waitlist button { width: fit-content; }

.waitlist .fine-print {
  margin-top: 14px;
  font-size: 12px;
}

.app-cta-band .section-title {
  max-width: 780px;
}

.app-cta-band .waitlist {
  margin-top: 26px;
}

/* ---------- Footer / utilities ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--surface-warm);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 750;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-brand img { width: 20px; height: 20px; }

.not-found { text-align: left; }

@media (max-width: 980px) {
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .wrap { width: min(100% - 24px, var(--max-width)); }
  .grid,
  .article-grid,
  .proof-strip {
    grid-template-columns: 1fr;
  }
  .hero { padding: 56px 0 44px; }
  .hero.compact { padding: 44px 0 38px; }
  h1.display { font-size: 42px; }
  .post-header h1 { font-size: 34px; }
  h2.section-title { font-size: 27px; }
  section.block { padding: 50px 0; }
  .site-nav { display: none; }
  .waitlist { padding: 24px; }
  .waitlist .input-row { grid-template-columns: 1fr; }
  .waitlist button { width: 100%; }
}