@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --border: #d8d3c6;
  --ink: #1c1a16;
  --ink-dim: #6b665a;
  --accent: #b3401f;
  --accent-ink: #ffffff;
  --radius: 14px;
  --max-w: 1080px;

  --si-accent: #D8512F;
  --si-bg: #efeae0;
  --si-ink: #211d16;

  --fd-accent: #d97706;
  --fd-bg: #fafaf9;
  --fd-ink: #18181b;

  font-synthesis: none;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.serif {
  font-family: "Source Serif 4", Georgia, serif;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

@media (max-width: 480px) {
  .wrap { padding: 0 24px; }
}

header.site {
  padding: 26px 0 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px 16px;
}

@media (max-width: 480px) {
  .nav { padding-bottom: 16px; }
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

.brand .serif {
  font-style: italic;
  font-weight: 500;
}

nav.links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 500;
}

@media (min-width: 481px) {
  nav.links { gap: 30px; }
}

nav.links a {
  text-decoration: none;
  color: var(--ink-dim);
  transition: color .15s ease;
}

nav.links a:hover { color: var(--ink); }

main { padding-top: 0; }

.hero {
  padding-top: 76px;
  padding-bottom: 64px;
}

@media (max-width: 480px) {
  .hero { padding-top: 44px; padding-bottom: 40px; }
}

.hero .eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  font-weight: 500;
}

.hero h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 500;
  font-size: clamp(2.4rem, 5.4vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
  max-width: 760px;
  text-wrap: balance;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero p.lede {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 560px;
  margin: 0;
}

.section {
  padding-top: 64px;
  padding-bottom: 64px;
  border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
  .section { padding-top: 40px; padding-bottom: 40px; }
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .section-head { margin-bottom: 24px; }
}

.section h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 500;
  font-size: 1.9rem;
  letter-spacing: -0.01em;
  margin: 0;
}

.section .sub {
  color: var(--ink-dim);
  margin: 0;
  font-size: 1rem;
  max-width: 440px;
}

.apps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

@media (max-width: 720px) {
  .apps { grid-template-columns: 1fr; }
}

.app-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  transition: border-color .15s ease;
}

.app-card:hover { border-color: var(--card-accent, var(--accent)); }

.app-card .card-top {
  background: var(--card-bg);
  color: var(--card-ink);
  padding: 30px 28px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.app-card .mark {
  width: 34px;
  height: 34px;
  color: var(--card-accent);
  margin-bottom: 22px;
}

.app-card .mark svg { width: 100%; height: 100%; display: block; }

.app-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  color: var(--card-ink);
}

.app-card p.desc {
  color: var(--card-ink);
  opacity: 0.72;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

.app-card .card-bottom {
  padding: 16px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  flex-wrap: wrap;
  gap: 8px 12px;
}

@media (max-width: 480px) {
  .app-card .card-top { padding: 24px 20px 22px; }
  .app-card .card-bottom { padding: 14px 20px; }
}

.app-card .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.app-card .visit {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--card-accent);
  display: flex;
  align-items: center;
  gap: 5px;
}

.app-card .visit svg {
  width: 13px;
  height: 13px;
  transition: transform .15s ease;
}

.app-card:hover .visit svg { transform: translateX(2px); }

/* SimpleInvite card */
.app-card.si .card-top {
  --card-bg: var(--si-bg);
  --card-ink: var(--si-ink);
  --card-accent: var(--si-accent);
}
.app-card.si h3 { font-family: "Source Serif 4", Georgia, serif; font-style: italic; font-weight: 500; }

/* fdbck card */
.app-card.fd .card-top {
  --card-bg: var(--fd-bg);
  --card-ink: var(--fd-ink);
  --card-accent: var(--fd-accent);
}
.app-card.fd h3 { font-family: "Inter", sans-serif; font-weight: 700; }
.app-card.fd h3 .dot { color: var(--fd-accent); }

footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--ink-dim);
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-links a {
  text-decoration: none;
  color: var(--ink-dim);
}

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

/* Legal / contact pages */
.legal main, .contact main {
  padding-top: 48px;
  padding-bottom: 72px;
}

.legal h1, .contact h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 500;
  font-size: 2.2rem;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}

.legal .updated {
  color: var(--ink-dim);
  font-size: 0.9rem;
  margin: 0 0 44px;
  font-family: "JetBrains Mono", monospace;
}

.legal h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 38px 0 12px;
  letter-spacing: -0.005em;
}

.legal p, .legal li {
  color: var(--ink-dim);
  font-size: 0.98rem;
  line-height: 1.65;
}

.legal ul { padding-left: 20px; }
.legal main a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}

@media (max-width: 720px) {
  .contact-grid { grid-template-columns: 1fr; }
}

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

.contact-card h3 {
  margin: 0 0 8px;
  color: var(--ink-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-family: "JetBrains Mono", monospace;
}

.contact-card a {
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}

.contact-card a:hover { color: var(--accent); }