/* ==========================================================================
   Charioteers — site stylesheet
   Palette, type scale and layout primitives. Single-class selectors are used
   almost everywhere so the cascade stays flat and predictable.
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */

:root {
  --ground:      #FAF8F2;
  --surface:     #FFFFFF;
  --surface-alt: #F2EDE1;
  --ink:         #131B36;
  --ink-soft:    #48516B;
  --ink-faint:   #646D85;
  --band:        #17285C;
  --band-deep:   #101C42;
  --on-band:     #EAECF3;
  --on-band-soft:#A9B3CB;
  --accent:      #1D3572;
  --on-accent:   #FFFFFF;
  --gold-bright: #D4AF37;
  --gold:        #C9A227;
  --gold-deep:   #A67C0A;
  --rule:        #E4DFD2;
  --rule-strong: #CBC3B0;
  --shadow:      0 1px 2px rgba(58, 46, 22, .05), 0 8px 24px -12px rgba(58, 46, 22, .16);

  --measure: 62ch;
  --radius: 2px;
  --step: clamp(3.5rem, 8vw, 6.5rem);
}

/* --- Base --------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: Karla, ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-wrap: break-word;
}

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

h1, h2, h3, h4 {
  font-family: Fraunces, Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}

h1 { font-size: clamp(2.35rem, 5.6vw, 4.1rem); }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.85rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); line-height: 1.25; }
h4 { font-size: 1.02rem; line-height: 1.3; }

p { margin: 0; }

a { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: .75rem 1.25rem;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* --- Layout primitives -------------------------------------------------- */

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3.5rem);
}

.container--narrow { max-width: 860px; }

.section { padding-block: var(--step); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--tint { background: var(--surface-alt); }
.section--band { background: var(--band); color: var(--on-band); }
.section--line { border-top: 1px solid var(--rule); }

.stack       { display: flex; flex-direction: column; gap: 1rem; }
.stack--lg   { display: flex; flex-direction: column; gap: 1.75rem; }
.stack--xl   { display: flex; flex-direction: column; gap: clamp(2rem, 4vw, 3.25rem); }

.lede {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
}

.prose { max-width: var(--measure); color: var(--ink-soft); }
.prose > * + * { margin-top: 1rem; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: var(--gold);
  flex: none;
}
.section--band .eyebrow,
.hero .eyebrow { color: var(--gold-bright); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* --- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 46px;
  padding: .7rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: Karla, sans-serif;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.btn--solid {
  background: var(--gold-bright);
  border-color: var(--gold-deep);
  color: var(--ink);
}
.btn--solid:hover,
.btn--solid:focus-visible { background: var(--gold); border-color: var(--gold-deep); }

.btn--ghost {
  background: transparent;
  border-color: var(--rule-strong);
  color: var(--ink);
}
.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: var(--accent); color: var(--accent); }

.section--band .btn--ghost,
.hero .btn--ghost { border-color: rgba(157, 180, 232, .5); color: var(--on-band); }
.section--band .btn--ghost:hover,
.section--band .btn--ghost:focus-visible,
.hero .btn--ghost:hover,
.hero .btn--ghost:focus-visible { border-color: var(--gold-bright); color: var(--gold-bright); }

.btn-row { display: flex; flex-wrap: wrap; gap: .85rem; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: .88rem;
  text-decoration: none;
  color: var(--accent);
}
.arrow-link span { transition: transform 160ms ease; }
.arrow-link:hover span { transform: translateX(4px); }

/* --- Utility strip ------------------------------------------------------ */

.topbar {
  background: var(--band-deep);
  color: var(--on-band-soft);
  font-size: .78rem;
}
.topbar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .35rem 1.5rem;
  padding-block: .55rem;
}
.topbar a { color: var(--on-band); text-decoration: none; }
.topbar a:hover { color: var(--gold-bright); }
.topbar-meta { display: flex; flex-wrap: wrap; gap: .35rem 1.25rem; }

/* --- Header / navigation ------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
}
.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-block: .9rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: var(--ink);
  flex: none;
}
.brand-logo { height: 56px; width: auto; flex: none; }
.brand-name {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  line-height: 1;
}
.brand-tag {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .55rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: .25rem;
}

.nav { display: flex; align-items: center; gap: 1.4rem; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 500;
  padding-block: .35rem;
  border-bottom: 2px solid transparent;
}
.nav-list a:hover { color: var(--ink); }
.nav-list a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

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

.hero {
  position: relative;
  background: var(--band);
  color: var(--on-band);
  padding-block: clamp(4rem, 10vw, 7.5rem);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom, rgba(157, 180, 232, .08) 0 1px, transparent 1px 88px
  );
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: var(--on-band); max-width: 18ch; }
.hero h1 em { font-style: italic; color: var(--gold-bright); }
.hero .lede { color: var(--on-band-soft); max-width: 54ch; }

.hero--page { padding-block: clamp(3rem, 7vw, 5rem); }
.hero--page h1 { max-width: 22ch; }

.breadcrumb {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--on-band-soft);
}
.breadcrumb a { color: var(--gold-bright); text-decoration: none; }

/* --- Stats -------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(210px, 100%), 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.stat {
  background: var(--ground);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.stat-figure {
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.stat-note { color: var(--ink-soft); font-size: .92rem; }

/* --- Card grids --------------------------------------------------------- */

.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(265px, 100%), 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-icon { width: 26px; height: 26px; color: var(--accent); }
.card p { color: var(--ink-soft); font-size: .95rem; }
.card .arrow-link { margin-top: auto; padding-top: .5rem; }

/* --- Numbered journey --------------------------------------------------- */

.steps { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0 1.5rem;
  padding-block: 1.75rem;
  border-top: 1px solid var(--rule);
}
.steps .step:last-child { border-bottom: 1px solid var(--rule); }
.step-num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  padding-top: .3rem;
}
.step-body { display: flex; flex-direction: column; gap: .5rem; }
.step-body p { color: var(--ink-soft); max-width: var(--measure); }

/* --- Checklist ---------------------------------------------------------- */

.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
/* Deliberately NOT a grid. A grid container promotes each child element to its
   own grid item and wraps loose text in a separate anonymous item, so an item
   like <li><strong>Label</strong> trailing text</li> pushed the trailing text
   into the next row's narrow marker column. A block with an absolutely
   positioned marker accepts any inline markup safely. */
.checklist li {
  position: relative;
  padding-left: 2.15rem;
  color: var(--ink-soft);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55rem;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}
.section--band .checklist li,
.hero .checklist li { color: var(--on-band-soft); }
.section--band .checklist li::before,
.hero .checklist li::before { border-color: var(--gold-bright); }

/* --- Split feature ------------------------------------------------------ */

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

/* --- Call-to-action band ------------------------------------------------ */

.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
}
.cta-band h2 { max-width: 18ch; color: inherit; }
.cta-band p { color: var(--on-band-soft); max-width: 46ch; }

/* --- Contact / forms ---------------------------------------------------- */

.form { display: grid; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: .7rem .85rem;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent); outline-offset: 1px; }
.form-note { font-size: .85rem; color: var(--ink-faint); }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.contact-list dt,
.contact-item-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: .3rem;
}
.contact-item a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule-strong); }
.contact-item a:hover { color: var(--accent); border-color: var(--accent); }

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

.site-footer {
  background: var(--band-deep);
  color: var(--on-band-soft);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: .92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(auto-fit, minmax(150px, 1fr));
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(234, 236, 242, .12);
}
.site-footer .brand { color: var(--on-band); }
.site-footer .brand-logo { height: 48px; }
.site-footer .brand-tag { color: var(--on-band-soft); }
.footer-col h4 {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.footer-col a { color: var(--on-band-soft); text-decoration: none; }
.footer-col a:hover { color: var(--on-band); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 2rem;
  padding-top: 1.5rem;
  font-size: .8rem;
  color: var(--on-band-soft);
}

/* --- Footer intro block ------------------------------------------------- */

.footer-about { display: grid; gap: 1rem; justify-items: start; }
.footer-about p { color: var(--on-band-soft); max-width: 38ch; font-size: .9rem; }

/* --- Spacing utilities -------------------------------------------------- */

.mt-md { margin-top: 1.5rem; }
.mt-lg { margin-top: 2rem; }

/* --- Responsive --------------------------------------------------------- */

@media (max-width: 1200px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem clamp(1.25rem, 5vw, 3.5rem) 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--rule);
    box-shadow: var(--shadow);
  }
  .nav.is-open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list a {
    display: block;
    padding: .9rem 0;
    border-bottom: 1px solid var(--rule);
    font-size: 1rem;
  }
  .nav-list a[aria-current="page"] { border-bottom-color: var(--accent); }
  .nav .btn { margin-top: 1rem; }
  .site-header .container { position: relative; }
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
  }
  .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .step { grid-template-columns: 1fr; gap: .35rem; }
  .step-num { padding-top: 0; }
  .topbar .container { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}