/* ============================================
   RIV Brand Tokens — shared across pages
   ============================================ */
:root {
  --orange:#E07B2A;
  --orange-deep:#C26218;
  --white:#FFFFFF;
  --cream:#FAF7F2;
  --stone:#6B6B68;
  --stone-light:#9A9A95;
  --earth:#D9CFC0;
  --earth-deep:#C7BBA8;
  --ink:#0F0F0F;
  --ink-soft:#1F1F1D;
  --rule:rgba(15,15,15,0.12);
  --rule-strong:rgba(15,15,15,0.22);

  --serif:"Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --sans:"Geist","Söhne","Helvetica Neue",Arial,sans-serif;
  --mono:"Geist Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }

/* ---------- TYPE UTILITIES ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange-deep);
  font-weight: 500;
  display: inline-block;
}
.eyebrow.muted { color: var(--stone); }
.label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--stone);
  font-weight: 500;
}
em.q { font-style: italic; color: var(--stone); }

/* ---------- LAYOUT ---------- */
.wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 64px;
}
@media (max-width: 800px) {
  .wrap { padding: 0 24px; }
}

hr.rule { border: 0; height: 1px; background: var(--rule); margin: 0; }

/* ---------- WORDMARK ---------- */
.wm {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--ink);
  display: inline-block;
}
.wm .i { color: var(--orange); }

/* ---------- NAV ---------- */
nav.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--rule);
}
nav.top .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
nav.top .wm { font-size: 26px; }
nav.top ul {
  display: flex;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
  letter-spacing: 0.02em;
}
nav.top a.link { color: var(--ink); padding: 4px 0; }
nav.top a.link:hover { color: var(--orange-deep); }
nav.top .cta {
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--white);
}
nav.top .cta:hover { background: var(--orange); }
@media (max-width: 800px) {
  nav.top ul { display: none; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 14px 24px;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.btn.primary { background: var(--ink); color: var(--white); }
.btn.primary:hover { background: var(--orange); border-color: var(--orange); }
.btn.secondary { background: transparent; color: var(--ink); }
.btn.secondary:hover { background: var(--ink); color: var(--white); }
.btn.lg { font-size: 15px; padding: 18px 28px; }

/* ---------- FOOTER ---------- */
footer.site {
  background: var(--white);
  border-top: 1px solid var(--rule);
  padding: 56px 0 40px;
}
footer.site .row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 900px) { footer.site .row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { footer.site .row { grid-template-columns: 1fr; gap: 32px; } }
footer.site .col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--stone); margin: 0 0 18px; font-weight: 500; }
footer.site .col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
footer.site .col a:hover { color: var(--orange-deep); }
footer.site .col p { margin: 0; font-size: 14px; color: var(--stone); line-height: 1.6; }
footer.site .meta-row {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone-light);
}
footer.site .meta-row .wm { font-size: 22px; letter-spacing: 0.04em; }
footer.site .axis-strip {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--orange) 50%, transparent);
  margin: 24px 0 0;
}

/* ---------- LANGUAGE TOGGLE ---------- */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--rule-strong);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--white);
}
.lang-toggle button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 9px 14px;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--stone);
  cursor: pointer;
  border-right: 1px solid var(--rule-strong);
  transition: background .15s, color .15s;
}
.lang-toggle button:last-child { border-right: 0; }
.lang-toggle button:hover { color: var(--ink); }
.lang-toggle button.active { background: var(--ink); color: var(--white); }
nav.top .lang-toggle { margin-right: 16px; }

/* ---------- REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- CONTACT FORM (shared) ---------- */
.riv-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--rule-strong);
  background: var(--white);
  padding: 28px;
  margin-bottom: 24px;
}
.riv-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .riv-form .row { grid-template-columns: 1fr; } }
.riv-form label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.riv-form input[type="text"],
.riv-form input[type="email"],
.riv-form textarea {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 12px 14px;
  outline: none;
  transition: border-color .15s;
  text-transform: none;
  letter-spacing: 0;
}
.riv-form input:focus,
.riv-form textarea:focus { border-color: var(--ink); }
.riv-form textarea { min-height: 120px; resize: vertical; }
.riv-form .ventures {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.riv-form .ventures label {
  flex: 1 1 auto;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  font-weight: 400;
  transition: border-color .15s, background .15s;
}
.riv-form .ventures label:has(input:checked) {
  border-color: var(--ink);
  background: var(--cream);
}
.riv-form .ventures input[type="radio"] { accent-color: var(--orange); margin: 0; }
.riv-form .actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.riv-form .nb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}
.riv-form-success {
  border: 1px solid var(--rule-strong);
  background: var(--cream);
  padding: 32px;
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
}
.riv-form-success em { font-style: italic; color: var(--stone); }
.riv-form-error {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #B22B2B;
  padding: 8px 0 0;
}