/* ===========================================================
   RK INVESTMENT COMPANY — Design tokens
   Ink black + antique gold, serif display / sans body
   =========================================================== */

:root {
  --ink: #14120f;
  --charcoal: #1e1b16;
  --charcoal-2: #262218;
  --gold: #b8923f;
  --gold-pale: #e4c77e;
  --gold-dim: #8a6d31;
  --bone: #f3efe6;
  --bone-dim: #cfc8b8;
  --taupe: #948c78;
  --line: rgba(184, 146, 63, 0.28);
  --line-soft: rgba(243, 239, 230, 0.1);
  --danger: #c85c46;
  --ok: #7c9a6e;

  --serif: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max: 1180px;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

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

a { color: var(--gold-pale); text-decoration: none; }
a:hover { color: var(--gold); text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--gold-pale);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--bone);
  margin: 0 0 0.5em;
  line-height: 1.12;
}

h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 500; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1.1em; color: var(--bone-dim); max-width: 62ch; }
p.lede { font-size: 1.15rem; color: var(--bone); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section {
  padding: clamp(3rem, 7vw, 6rem) 0;
}
.section + .section { border-top: 1px solid var(--line-soft); }
.section--charcoal { background: var(--charcoal); }

.rule {
  width: 64px;
  height: 2px;
  background: var(--gold);
  margin: 1.4rem 0;
  border: 0;
}
.rule--center { margin-left: auto; margin-right: auto; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 18, 15, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  color: var(--bone);
  font-family: var(--serif);
  font-size: 1.28rem;
  letter-spacing: 0.01em;
}
.brand:hover { text-decoration: none; color: var(--bone); }
.brand em {
  font-style: normal;
  color: var(--gold);
}
.brand small {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--taupe);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--bone-dim);
  font-size: 0.95rem;
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--gold-pale);
  text-decoration: none;
}
.nav-links a[aria-current="page"] { color: var(--gold); }

.nav-cta {
  border: 1px solid var(--gold);
  color: var(--gold-pale) !important;
  padding: 0.55rem 1.15rem;
  border-radius: 2px;
  font-size: 0.9rem !important;
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--ink) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--bone);
  width: 42px;
  height: 38px;
  border-radius: 2px;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--bone);
  margin: 4px auto;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--charcoal);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem var(--pad) 1.2rem;
    border-bottom: 1px solid var(--line-soft);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.85rem 0; border-bottom: 1px solid var(--line-soft); width: 100%; }
  .nav-cta { display: inline-block; margin-top: 0.85rem; }
}

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

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem);
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 340px; margin: 0 auto; }
}

.eyebrow {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.9rem;
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.85rem;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.btn-primary:hover {
  background: var(--gold-pale);
  color: var(--ink);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--bone);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-pale);
  text-decoration: none;
}
.btn-block { width: 100%; justify-content: center; }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.6rem; }

/* ---------- Value list / steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2.5rem;
}
@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
}
.step {
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
}
.step .num {
  font-family: var(--serif);
  color: var(--gold);
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.5rem;
}

.value-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}
.value-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line-soft);
}
.value-list li:last-child { border-bottom: 1px solid var(--line-soft); }
.value-list .mark { color: var(--gold); font-family: var(--serif); font-size: 1.1rem; }
.value-list h3 { margin-bottom: 0.3rem; font-size: 1.08rem; }
.value-list p { margin: 0; }

/* ---------- Callout / CTA band ---------- */

.cta-band {
  background: linear-gradient(135deg, var(--charcoal-2), var(--ink));
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: clamp(2.2rem, 5vw, 3.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: 0.4rem; }
.cta-band p { margin: 0; }

/* ---------- Notice / disclaimer boxes ---------- */

.notice {
  border-left: 3px solid var(--gold);
  background: var(--charcoal);
  padding: 1.1rem 1.4rem;
  border-radius: 0 2px 2px 0;
  font-size: 0.95rem;
  color: var(--bone-dim);
}
.notice strong { color: var(--bone); }

/* ---------- Forms ---------- */

.form-card {
  background: var(--charcoal);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: clamp(1.6rem, 4vw, 2.6rem);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
}
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}
.form-grid .span-2 { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1.3rem; }
.field label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--bone);
}
.field .hint { font-size: 0.8rem; color: var(--taupe); margin-top: -0.2rem; }

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--bone);
  padding: 0.8rem 0.9rem;
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 0.98rem;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--gold);
}
textarea { resize: vertical; min-height: 110px; }

fieldset {
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1.4rem 1.4rem 1.1rem;
  margin: 0 0 1.4rem;
}
legend {
  font-family: var(--serif);
  color: var(--gold-pale);
  padding: 0 0.5rem;
  font-size: 1rem;
}

.consent-row {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1rem;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 3px;
}
.consent-row input[type="checkbox"] {
  width: 19px;
  height: 19px;
  margin-top: 0.2rem;
  accent-color: var(--gold);
}
.consent-row label { font-size: 0.92rem; color: var(--bone-dim); line-height: 1.55; }
.consent-row .consent-title {
  display: block;
  color: var(--bone);
  font-weight: 600;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.form-msg {
  display: none;
  margin-top: 1.2rem;
  padding: 0.9rem 1.1rem;
  border-radius: 2px;
  font-size: 0.93rem;
}
.form-msg.is-visible { display: block; }
.form-msg.success { background: rgba(124,154,110,0.14); border: 1px solid var(--ok); color: #cfe0c6; }
.form-msg.error { background: rgba(200,92,70,0.14); border: 1px solid var(--danger); color: #f0c9c1; }

/* ---------- Legal pages ---------- */

.legal h2 { margin-top: 2.4rem; font-size: 1.35rem; color: var(--gold-pale); }
.legal h3 { margin-top: 1.6rem; font-size: 1.05rem; }
.legal p, .legal li { color: var(--bone-dim); max-width: 74ch; }
.legal ul, .legal ol { padding-left: 1.3rem; }
.legal li { margin-bottom: 0.5rem; }
.legal .updated { color: var(--taupe); font-size: 0.9rem; margin-bottom: 2rem; }
.toc {
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 1.3rem 1.5rem;
  margin: 1.5rem 0 2.5rem;
}
.toc p { margin: 0 0 0.6rem; font-weight: 600; color: var(--bone); }
.toc ol { margin: 0; padding-left: 1.2rem; columns: 2; }
.toc a { color: var(--bone-dim); font-size: 0.92rem; }
.toc a:hover { color: var(--gold-pale); }
@media (max-width: 640px) { .toc ol { columns: 1; } }

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
}
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-detail {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line-soft);
}
.contact-detail:last-child { border-bottom: 1px solid var(--line-soft); }
.contact-detail .icon { color: var(--gold); flex-shrink: 0; margin-top: 0.15rem; }
.contact-detail h3 { margin-bottom: 0.2rem; font-size: 0.95rem; color: var(--bone); }
.contact-detail p { margin: 0; font-size: 0.95rem; }

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

.site-footer {
  border-top: 1px solid var(--line-soft);
  background: var(--charcoal);
  padding: 3rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.footer-brand {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--bone);
  margin-bottom: 0.7rem;
}
.footer-col h4 {
  font-size: 0.85rem;
  color: var(--gold-pale);
  margin: 0 0 1rem;
  font-weight: 600;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.65rem; }
.footer-col a, .footer-col p { color: var(--taupe); font-size: 0.92rem; }
.footer-col a:hover { color: var(--gold-pale); }
.footer-bottom {
  border-top: 1px solid var(--line-soft);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  color: var(--taupe);
  font-size: 0.85rem;
}

/* ---------- Skip link (accessibility) ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: var(--ink);
  padding: 0.7rem 1.2rem;
  z-index: 100;
}
.skip-link:focus { left: var(--pad); top: 0.5rem; }