/* ============================================================
   WE AI — shared chrome for inner pages (about, case-studies)
   Mirrors the theme vars, nav and footer defined inline in
   index.html. If index.html's nav/footer/theme CSS changes,
   change it here too (or move index.html onto this file).
   ============================================================ */

:root {
  /* DARK (default) */
  --night: #000C0E;
  --night-2: #001418;
  --ink-fg: #F4EFDF;
  --nav-bg: rgba(0, 12, 14, 0.85);
  --teal-line: rgba(79, 184, 190, 0.55);
  --gold-line: rgba(218, 165, 32, 0.85);
  --logo-we-fill: rgba(79, 184, 190, 0.08);
  --logo-ai-fill: rgba(218, 165, 32, 0.08);
  --card-bg: rgba(0, 30, 34, 0.55);
}
:root[data-theme="light"] {
  --night: #FFFFFF;
  --night-2: #F5F7F7;
  --paper: #FFFFFF;
  --bone: #F0F2F2;
  --ink-fg: #001E22;
  --gold-cream: #8A6312;
  --fg-on-dark: #001E22;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --gold-deep: #8A6312;
  --logo-we-fill: rgba(79, 184, 190, 0.10);
  --logo-ai-fill: rgba(218, 165, 32, 0.10);
  --teal-line: rgba(79, 184, 190, 0.85);
  --gold-line: rgba(237, 209, 151, 0.85);
  --card-bg: #F8FAFA;
}
:root[data-theme="teal"] {
  --night: #003E47;
  --night-2: #00565F;
  --paper: #F8F5EE;
  --bone: #EDE6D5;
  --teal-ink: #001E22;
  --gold-deep: #8A6312;
  --ink-fg: #F4EFDF;
  --nav-bg: rgba(0, 62, 71, 0.88);
  --teal-line: rgba(79, 184, 190, 0.85);
  --gold-line: rgba(237, 209, 151, 0.85);
  --logo-we-fill: rgba(79, 184, 190, 0.10);
  --logo-ai-fill: rgba(218, 165, 32, 0.10);
  --card-bg: rgba(0, 30, 34, 0.55);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--night);
  color: var(--fg-on-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
  transition: background 320ms ease, color 320ms ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.page { max-width: 1480px; margin: 0 auto; padding: 0 48px; }
::selection { background: var(--gold-1); color: var(--night); }

body, h1, h2, h3, h4, h5, h6, p, em, strong, span, div, text {
  font-feature-settings: "liga" 0, "dlig" 0, "clig" 0, "calt" 0, "swsh" 0, "salt" 0, "ss01" 0, "ss02" 0, "ss03" 0;
  font-variant-ligatures: none;
}
em, i, .nav-logo svg .ai, footer .wm-svg .ai {
  font-family: var(--font-italic), 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
  font-weight: 500;
}

/* ─── NAV ─── */
.nav {
  position: sticky; top: 0; z-index: 50;
  padding: 24px 48px;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid color-mix(in oklab, var(--ink-fg) 8%, transparent);
}
.nav-logo { display: flex; align-items: center; line-height: 0; }
.nav-logo svg { height: 44px; width: auto; display: block; overflow: visible; }
.nav-logo svg text, footer .wm-svg text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 120px;
  letter-spacing: -0.04em;
  stroke-width: 2.4;
  stroke-linejoin: round;
  stroke-linecap: round;
  paint-order: stroke;
}
footer .wm-svg text { stroke-width: 2.2; }
.nav-logo svg .we, footer .wm-svg .we { stroke: var(--teal-line); fill: var(--logo-we-fill); }
.nav-logo svg .ai, footer .wm-svg .ai { stroke: var(--gold-line); fill: var(--logo-ai-fill); font-style: italic; }

.nav-links {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--ink-fg) 55%, transparent);
  display: flex; gap: 28px;
}
.nav-links a { transition: color 200ms ease; padding-bottom: 2px; border-bottom: 1px solid transparent; }
.nav-links a:hover { color: var(--gold-cream); }
.nav-links a[aria-current="page"] { color: var(--ink-fg); border-bottom-color: var(--gold-1); }

.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-cta {
  background: var(--gold-1);
  color: var(--night);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: background 200ms ease;
}
.nav-cta:hover { background: var(--gold-cream); }
.nav-theme {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  color: var(--ink-fg);
  border: 1px solid color-mix(in oklab, var(--ink-fg) 22%, transparent);
  border-radius: 999px;
  cursor: pointer; padding: 0;
  transition: border-color 200ms ease, color 200ms ease;
}
.nav-theme:hover { border-color: var(--gold-cream); color: var(--gold-cream); }
.nav-theme:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.35); }
.nav-theme svg { width: 16px; height: 16px; display: block; }
.nav-theme .icon-sun { display: none; }
.nav-theme .icon-moon { display: block; }
:root:not([data-theme]) .nav-theme .icon-sun,
:root[data-theme="dark"] .nav-theme .icon-sun { display: block; }
:root:not([data-theme]) .nav-theme .icon-moon,
:root[data-theme="dark"] .nav-theme .icon-moon { display: none; }

/* ─── SHARED PAGE PIECES ─── */
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-cream);
  margin-bottom: 20px;
}
.page-hero { padding: 96px 0 56px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(44px, 6.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  color: var(--ink-fg);
}
.page-hero h1 em { color: var(--gold-cream); font-weight: 500; }
.page-hero .lead {
  font-size: 19px;
  line-height: 1.55;
  color: color-mix(in oklab, var(--ink-fg) 78%, transparent);
  margin: 0;
}
.page-hero .lead em { color: var(--gold-cream); font-size: 1.08em; }
.rule { height: 1px; background: color-mix(in oklab, var(--ink-fg) 10%, transparent); margin: 0; }

.cta-band {
  padding: 96px 0 112px;
  text-align: center;
}
.cta-band h2 {
  color: var(--ink-fg);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.cta-band h2 em { color: var(--gold-cream); }
.cta-band p { max-width: 520px; margin: 0 auto 32px; color: color-mix(in oklab, var(--ink-fg) 72%, transparent); line-height: 1.6; }
.btn-gold {
  display: inline-block;
  background: var(--gold-1); color: var(--night);
  padding: 16px 30px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  transition: background 200ms ease;
}
.btn-gold:hover { background: var(--gold-cream); }

/* ─── FOOTER ─── */
footer {
  padding: 56px 48px 32px;
  border-top: 1px solid color-mix(in oklab, var(--ink-fg) 8%, transparent);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
footer .wm-svg { height: 56px; width: auto; overflow: visible; display: block; }
footer .meta {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: color-mix(in oklab, var(--ink-fg) 50%, transparent);
}
footer .links { display: flex; gap: 20px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: color-mix(in oklab, var(--ink-fg) 50%, transparent); }
footer .links a:hover { color: var(--gold-cream); }
footer .meta span + span::before { content: "·"; margin: 0 12px; color: var(--gold-1); }

@media (max-width: 1100px) {
  .page, .nav, footer { padding-left: 28px; padding-right: 28px; }
}
@media (max-width: 760px) {
  .nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .page { padding: 0 20px; }
  .page-hero { padding: 56px 0 36px; }
  footer { padding: 48px 24px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}