/* =========================================================
   Frontier Stride — design tokens
   Ink (near-black navy), Paper (cool pale mint-grey),
   Brass (ledger-gold accent), Teal (deep secondary accent)
   ========================================================= */
:root {
  --ink: #10182A;
  --ink-soft: #1B2740;
  --paper: #ECF0EA;
  --paper-raised: #FFFFFF;
  --brass: #B8862F;
  --brass-bright: #D9A548;
  --teal: #1F4B4C;
  --line: #D6DACF;
  --line-dark: #2C3A56;
  --text-on-paper: #1B2233;
  --text-muted: #55606E;
  --text-on-ink: #E7E9EC;
  --text-on-ink-muted: #9AA6B8;
  --radius: 3px;
  --max: 1120px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

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

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

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

a { color: inherit; text-decoration: none; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 560; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em 0; color: var(--text-muted); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

/* ---------- Header ---------- */
header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand {
  font-family: var(--serif);
  font-weight: 650;
  font-size: 1.22rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand .mark {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--brass);
  border: 1px solid var(--brass);
  border-radius: 2px;
  padding: 1px 5px;
  letter-spacing: 0.05em;
  transform: translateY(-1px);
}
nav.primary-nav { display: flex; gap: 30px; }
nav.primary-nav a {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
nav.primary-nav a:hover,
nav.primary-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--brass);
}
.nav-toggle { display: none; }

@media (max-width: 760px) {
  nav.primary-nav {
    position: fixed;
    inset: 62px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    gap: 0;
    padding: 10px 28px 28px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
    border-top: 1px solid var(--line);
  }
  nav.primary-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    border: 1px solid var(--line);
    background: none;
    border-radius: var(--radius);
    cursor: pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: ""; display: block; width: 16px; height: 1.5px; background: var(--ink);
    position: relative; transition: transform .2s ease;
  }
  .nav-toggle span::before { position: absolute; top: -5px; }
  .nav-toggle span::after { position: absolute; top: 5px; }
  body.nav-open nav.primary-nav { opacity: 1; pointer-events: auto; transform: translateY(0); }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 88px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { color: var(--text-on-ink); max-width: 15ch; }
.hero .lede {
  color: var(--text-on-ink-muted);
  max-width: 46ch;
  font-size: 1.08rem;
}
.hero .eyebrow { color: var(--brass-bright); }
.hero .eyebrow::before { background: var(--brass-bright); }

.stride-graphic {
  position: absolute;
  right: -40px;
  bottom: -20px;
  width: 46%;
  max-width: 480px;
  opacity: 0.9;
  z-index: 1;
}
@media (max-width: 900px) {
  .stride-graphic { display: none; }
}

.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-brass { background: var(--brass); color: #14100A; }
.btn-brass:hover { background: var(--brass-bright); }
.btn-outline-ink { border-color: var(--line-dark); color: var(--text-on-ink); }
.btn-outline-ink:hover { border-color: var(--brass-bright); color: var(--brass-bright); }
.btn-outline-paper { border-color: var(--line); color: var(--ink); }
.btn-outline-paper:hover { border-color: var(--brass); color: var(--brass); }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
section.tight { padding: 56px 0; }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head p { font-size: 1.05rem; }

.divider {
  height: 1px;
  background: var(--line);
  border: none;
  margin: 0;
}

/* Ledger two-column product grid */
.ledger {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-raised);
}
.ledger .spine { background: var(--line); }
.ledger-col { padding: 42px 40px; }
@media (max-width: 820px) {
  .ledger { grid-template-columns: 1fr; }
  .ledger .spine { height: 1px; width: 100%; }
}
.ledger-col .tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid var(--teal);
  border-radius: 2px;
  padding: 3px 8px;
  display: inline-block;
  margin-bottom: 16px;
}
.ledger-col .status {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 22px;
  display: block;
}
.ledger-col ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.ledger-col li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--text-on-paper);
  font-size: 0.95rem;
  display: flex;
  gap: 10px;
}
.ledger-col li::before {
  content: "—";
  color: var(--brass);
  flex: none;
}

/* Trust strip */
.trust {
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 34px 28px;
}
@media (max-width: 760px) {
  .trust .wrap { grid-template-columns: repeat(2, 1fr); }
}
.trust-item {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-left: 2px solid var(--brass);
  padding-left: 12px;
}
.trust-item strong {
  display: block;
  font-family: var(--sans);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 3px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 860px) {
  .card-grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.card .num {
  font-family: var(--mono);
  color: var(--brass);
  font-size: 0.78rem;
  margin-bottom: 14px;
  display: block;
}

/* Contact block */
.contact-block {
  background: var(--ink);
  color: var(--text-on-ink);
  border-radius: var(--radius);
  padding: 52px 44px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}
@media (max-width: 760px) {
  .contact-block { grid-template-columns: 1fr; padding: 36px 26px; }
}
.contact-block h2 { color: var(--text-on-ink); }
.contact-block p { color: var(--text-on-ink-muted); }
.contact-detail {
  border-top: 1px solid var(--line-dark);
  padding: 16px 0;
}
.contact-detail:first-child { border-top: none; }
.contact-detail .label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-ink-muted);
  display: block;
  margin-bottom: 6px;
}
.contact-detail .value {
  font-size: 1.05rem;
  color: var(--text-on-ink);
}
.contact-detail a.value:hover { color: var(--brass-bright); }

/* Legal pages */
.legal-body h2 {
  margin-top: 2.2em;
  font-size: 1.3rem;
}
.legal-body h2:first-of-type { margin-top: 0; }
.legal-body p, .legal-body li { color: var(--text-on-paper); }
.legal-body ul { padding-left: 1.2em; }
.legal-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 42px;
}
.legal-callout {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brass);
  padding: 18px 22px;
  border-radius: var(--radius);
  margin: 28px 0;
  font-size: 0.94rem;
}
.legal-callout p:last-child { margin-bottom: 0; }

/* Footer */
footer.site-footer {
  background: var(--ink);
  color: var(--text-on-ink-muted);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-dark);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
footer .brand { color: var(--text-on-ink); }
footer .brand .mark { color: var(--brass-bright); border-color: var(--brass-bright); }
footer h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-ink-muted);
  margin: 0 0 16px;
}
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin-bottom: 10px; }
footer a { color: var(--text-on-ink); font-size: 0.92rem; }
footer a:hover { color: var(--brass-bright); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom span { color: var(--text-on-ink-muted); }

/* Focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}