/* ========================================
   IRONREACH — Shared Design System
   Colors: Forge Black, Molten Copper,
   Brushed Steel, White Heat
   ======================================== */

:root {
  --forge-black: #1C1C1E;
  --anvil-charcoal: #2D2D30;
  --molten-copper: #C75B12;
  --ember-glow: #E8721A;
  --brushed-steel: #A8A9AD;
  --slag-gray: #6B6B6F;
  --white-heat: #F5F5F7;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--forge-black);
  color: var(--white-heat);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(28, 28, 30, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(168, 169, 173, 0.1);
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--white-heat);
  text-decoration: none;
}
.nav-logo span {
  font-weight: 300;
  color: var(--molten-copper);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}
.nav-links a {
  color: var(--brushed-steel);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white-heat); }

.nav-cta {
  background: var(--molten-copper) !important;
  color: var(--white-heat) !important;
  padding: 0.6rem 1.5rem;
  border-radius: 0;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--ember-glow) !important; }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--molten-copper);
  color: var(--white-heat);
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--ember-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--white-heat);
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid rgba(168,169,173,0.3);
  transition: all 0.2s;
}
.btn-secondary:hover {
  border-color: var(--molten-copper);
  color: var(--molten-copper);
}

/* ---- SECTION COMMON ---- */
section { padding: 8rem 3rem; }

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--molten-copper);
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.section-sub {
  font-size: 1.125rem;
  color: var(--brushed-steel);
  max-width: 600px;
  line-height: 1.7;
  font-weight: 300;
}

/* ---- FOOTER ---- */
footer {
  background: var(--forge-black);
  border-top: 1px solid rgba(168,169,173,0.08);
  padding: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--slag-gray);
}
.footer-brand span { color: rgba(199,91,18,0.5); }

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.footer-links a {
  color: var(--slag-gray);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--molten-copper); }

.footer-copy {
  color: rgba(107,107,111,0.5);
  font-size: 0.75rem;
  width: 100%;
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(168,169,173,0.05);
}

.footer-forge {
  margin-left: 0.35rem;
  padding: 0;
  border: none;
  background: none;
  font-size: 0.85em;
  line-height: 1;
  cursor: pointer;
  opacity: 0.35;
  vertical-align: middle;
  transition: opacity 0.2s;
}
.footer-forge:hover { opacity: 0.7; }

/* ---- RESPONSIVE (shared) ---- */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 5rem 1.5rem; }
  footer { padding: 2rem 1.5rem; }
}