/* OB-copperlanefi — copper metallic · institutional digital-asset infra */
:root {
  --void: #0a0908;
  --void-2: #12100e;
  --panel: #1a1613;
  --copper: #c47a4a;
  --copper-bright: #e0a078;
  --copper-deep: #8f5234;
  --glow: rgba(196, 122, 74, 0.32);
  --cream: #f3ebe3;
  --muted: #a89a8e;
  --line: rgba(196, 122, 74, 0.2);
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--cream);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--copper-bright); text-decoration: none; }
a:hover { color: #f0c4a8; }
.wrap { width: min(1100px, 92vw); margin: 0 auto; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(10, 9, 8, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 0;
}
.brand { display: flex; align-items: center; gap: 0.7rem; color: var(--cream); }
.brand img {
  border-radius: 10px;
  box-shadow: 0 0 18px var(--glow);
}
.brand strong {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand span { display: block; font-size: 0.7rem; color: var(--muted); letter-spacing: 0.02em; }
.site-nav { display: flex; gap: 1.25rem; align-items: center; font-size: 0.92rem; }
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--cream); }
.nav-cta {
  background: linear-gradient(135deg, var(--copper), var(--copper-deep));
  color: #140c08 !important;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-weight: 600;
}
.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--cream);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-family: inherit;
}

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 65% center;
  opacity: 0.78;
  animation: heroDrift 30s ease-in-out infinite alternate;
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(10,9,8,0.94) 0%, rgba(10,9,8,0.72) 40%, rgba(10,9,8,0.28) 68%, rgba(10,9,8,0.55) 100%),
    linear-gradient(180deg, rgba(10,9,8,0.1) 0%, rgba(10,9,8,0.9) 94%);
}
.hero-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 48% 42% at 72% 58%, rgba(196,122,74,0.22), transparent 70%);
  pointer-events: none;
  animation: glowPulse 7s ease-in-out infinite;
}
.hero-inner {
  position: relative;
  padding: 5rem 0 3.4rem;
  animation: riseIn 0.9s ease-out both;
}
.hero-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper-bright);
  margin-bottom: 1rem;
  text-shadow: 0 0 24px var(--glow);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.2vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 16ch;
  line-height: 1.05;
  margin: 0 0 1.1rem;
}
.h-soft { display: block; color: var(--cream); }
.h-copper {
  display: block;
  color: var(--copper-bright);
  text-shadow: 0 0 40px var(--glow);
}
.lede {
  max-width: 38ch;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--muted);
  margin-bottom: 1.6rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid {
  background: linear-gradient(135deg, var(--copper-bright), var(--copper));
  color: #140c08;
  box-shadow: 0 8px 28px var(--glow);
}
.btn-ghost {
  border-color: var(--line);
  color: var(--cream);
  background: rgba(26,22,19,0.45);
}
.btn-x {
  width: 2.6rem; height: 2.6rem; padding: 0;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--cream);
}

.block { padding: 5rem 0; }
.block-alt, .block-visual { background: var(--void-2); }
.block-head { max-width: 46rem; margin-bottom: 2.4rem; }
.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.7rem;
  font-weight: 600;
}
.block-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.45rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.9rem;
}
.block-head p { color: var(--muted); max-width: 48ch; }

.rail-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.rail-strip li {
  display: grid;
  gap: 0.55rem;
  padding-right: 1rem;
  animation: riseIn 0.8s ease-out both;
}
.rail-strip li:nth-child(2) { animation-delay: 0.1s; }
.rail-strip li:nth-child(3) { animation-delay: 0.2s; }
.rail-strip svg { color: var(--copper-bright); }
.rail-strip strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.rail-strip span { color: var(--muted); font-size: 0.95rem; }

.visual-spread {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}
.visual-frame {
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  animation: visualSettle 1.1s ease-out both;
}
.visual-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
}
.visual-copy p { color: var(--muted); max-width: 34ch; }

.origin-spread {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
}
.origin-meta {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}
.origin-meta strong {
  display: block;
  color: var(--cream);
  font-family: var(--font-display);
  margin-bottom: 0.6rem;
}
.origin-copy p { color: var(--muted); margin-bottom: 1rem; max-width: 46ch; }

.contact-panel {
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(196,122,74,0.12), transparent 55%),
    var(--panel);
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: 4px;
}
.contact-panel .tagline {
  color: var(--copper);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}
.contact-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.6rem;
}
.contact-panel .addr { color: var(--muted); margin-bottom: 1.4rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  background: var(--void);
}
.footer-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1.5rem; flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.footer-brand { display: flex; gap: 0.75rem; align-items: flex-start; }
.footer-brand img { width: 36px; height: 36px; border-radius: 8px; }
.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
}
.footer-brand span { color: var(--muted); font-size: 0.82rem; max-width: 36ch; display: block; }
.footer-nav { display: flex; gap: 1rem; align-items: center; }
.footer-nav a { color: var(--muted); font-size: 0.9rem; }
.footer-copy { color: #6e635b; font-size: 0.8rem; }

.legal-page { padding: 4rem 0 5rem; }
.legal-page h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 1.2rem;
}
.legal-page h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 1.6rem 0 0.6rem;
}
.legal-page p { color: var(--muted); max-width: 62ch; margin-bottom: 0.8rem; }

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, 1%, 0); }
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes visualSettle {
  from { opacity: 0; transform: scale(1.03); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 860px) {
  .rail-strip, .visual-spread, .origin-spread { grid-template-columns: 1fr; }
  .menu-btn { display: inline-block; }
  .site-nav {
    display: none;
    position: absolute;
    right: 4vw; top: 3.4rem;
    flex-direction: column;
    align-items: flex-start;
    background: var(--panel);
    border: 1px solid var(--line);
    padding: 1rem;
    border-radius: 8px;
  }
  .site-nav.open { display: flex; }
  .hero { min-height: min(78vh, 680px); }
  .hero h1 { max-width: 12ch; }
}