/* ==========================================================================
   Excellis Advisors — shared design system
   Palette: finalized brand (2026-09-18) — Ink #0D1721 / Racing Green #246E3A
   (mark's middle bar, fixed — not adapted per-background) / Amber #CA723C
   (accent) / Off-white #F3F2EE
   Type: Space Grotesk (display) + IBM Plex Sans (body)
   ========================================================================== */

:root {
  /* ---- brand tokens (light theme, default) ---- */
  --ink-900: #080d13;
  --ink-800: #0d1721;
  --ink-700: #1b2733;
  --ink-500: #4b5a68;
  --ink-300: #8a97a3;

  --amber-600: #a6602e;
  --amber-500: #ca723c;
  --amber-300: #e0996b;
  --amber-100: #f7e4d6;

  /* Racing green — fixed brand color for the logo mark's middle bar only.
     Used identically on light and dark surfaces; never swapped per theme. */
  --green-600: #246e3a;

  --paper-0: #fbfaf8;
  --paper-0: oklch(98.5% 0.004 75);
  --paper-1: #f3f1ec;
  --paper-1: oklch(95.5% 0.008 75);
  --line: #e3ded4;
  --line: oklch(88% 0.012 75);

  /* ---- semantic tokens ---- */
  --bg: var(--paper-0);
  --bg-raised: #ffffff;
  --bg-sunken: var(--paper-1);
  --bg-inverse: var(--ink-800);
  --text: var(--ink-800);
  --text-muted: var(--ink-500);
  --text-inverse: #f3f2ee;
  --text-inverse-muted: #a9aebc;
  --accent: var(--amber-500);
  --accent-strong: var(--amber-600);
  --accent-on-dark: var(--amber-300);
  --border: var(--line);
  --border-inverse: rgba(243, 242, 238, 0.14);
  --focus: var(--amber-600);

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;

  --container: 1140px;
  --radius: 3px;
  --shadow-soft: 0 1px 2px rgba(16, 19, 28, 0.06), 0 8px 24px -12px rgba(16, 19, 28, 0.18);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--ink-900);
    --bg-raised: var(--ink-800);
    --bg-sunken: var(--ink-800);
    --bg-inverse: var(--ink-900);
    --text: var(--text-inverse);
    --text-muted: var(--text-inverse-muted);
    --accent: var(--amber-300);
    --accent-strong: var(--amber-300);
    --accent-on-dark: var(--amber-300);
    --border: var(--border-inverse);
    --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: var(--ink-900);
  --bg-raised: var(--ink-800);
  --bg-sunken: var(--ink-800);
  --bg-inverse: var(--ink-900);
  --text: var(--text-inverse);
  --text-muted: var(--text-inverse-muted);
  --accent: var(--amber-300);
  --accent-strong: var(--amber-300);
  --accent-on-dark: var(--amber-300);
  --border: var(--border-inverse);
  --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

/* ---- reset ---- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0;
  color: var(--text);
}
h1 { font-size: clamp(2.1rem, 1.6rem + 2.2vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.35rem + 1.1vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem); }
p { margin: 0; max-width: 62ch; color: var(--text); }
.text-muted { color: var(--text-muted); }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

/* ---- layout helpers ---- */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 24px;
}
.stack { display: flex; flex-direction: column; }
section.band { padding-block: clamp(56px, 6vw, 96px); }
.band-sunken { background: var(--bg-sunken); }
.band-inverse { background: var(--bg-inverse); color: var(--text-inverse); }
.band-inverse h1, .band-inverse h2, .band-inverse h3 { color: var(--text-inverse); }
.band-inverse p { color: var(--text-inverse-muted); }
.band-inverse .eyebrow { color: var(--accent-on-dark); }

.grid {
  display: grid;
  gap: 32px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ---- header / nav ---- */
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 40;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
  gap: 24px;
  max-width: 1280px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1;
}
.brand-word small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding-block: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent-strong);
}
.nav-right { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text);
}
@media (max-width: 780px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    box-shadow: var(--shadow-soft);
  }
  .nav-links[data-open="false"] { display: none; }
  .nav-links a { width: 100%; padding-block: 10px; }
  .site-header .wrap { position: relative; }
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent-strong); color: #fff; }
.btn-primary:hover { background: var(--amber-600); }
:root[data-theme="dark"] .btn-primary { color: var(--ink-900); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .btn-primary { color: var(--ink-900); }
}
.btn-ghost-inverse { background: transparent; border-color: var(--border-inverse); color: var(--text-inverse); }
.btn-ghost-inverse:hover { border-color: var(--accent-on-dark); color: var(--accent-on-dark); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-strong); color: var(--accent-strong); }

/* ---- hero ---- */
.hero {
  padding-block: clamp(64px, 9vw, 128px) clamp(56px, 7vw, 96px);
}
.hero .wrap { max-width: 880px; }
.hero-kicker { margin-bottom: 18px; }
.hero h1 { margin-bottom: 22px; }
.hero .lede { font-size: 1.15rem; margin-bottom: 34px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- cards ---- */
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card .num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-strong);
  letter-spacing: 0.04em;
}
.band-inverse .card {
  background: rgba(244, 241, 234, 0.04);
  border-color: var(--border-inverse);
}
.band-inverse .card .num { color: var(--accent-on-dark); }

.icon-mark {
  width: 34px;
  height: 34px;
}

/* ---- section headers ---- */
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-head h2 { margin-bottom: 14px; }

/* ---- list rows (services / approach steps) ---- */
.row-list { display: flex; flex-direction: column; }
.row-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding-block: 28px;
  border-top: 1px solid var(--border);
}
.row-list .row-item:last-child { border-bottom: 1px solid var(--border); }
.row-item .row-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-strong);
}
.band-inverse .row-item { border-color: var(--border-inverse); }
.band-inverse .row-item .row-mark { color: var(--accent-on-dark); }
.row-item h3 { margin-bottom: 8px; }
@media (max-width: 620px) {
  .row-item { grid-template-columns: 1fr; gap: 8px; }
}

/* Tagged row variant (a word-label like "Advisory" or "Logistics" instead of
   a numeric marker) — the 64px numeric column is too narrow for a label, so
   the pill sits inline above the heading instead of in its own grid track. */
.row-item-tagged { grid-template-columns: 1fr; row-gap: 10px; }
.row-item-tagged .row-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row-item-tagged .row-head .pill { flex-shrink: 0; }
.row-item-tagged .row-head h3 { margin-bottom: 0; }

/* ---- stat strip ---- */
.stat-strip { display: flex; flex-wrap: wrap; gap: 40px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .value { font-family: var(--font-display); font-size: 2rem; font-weight: 600; color: var(--text); }
.band-inverse .stat .value { color: var(--text-inverse); }
.stat .label { font-size: 0.85rem; color: var(--text-muted); max-width: 22ch; }

/* ---- pill / tag ---- */
.pill {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ---- footer ---- */
.site-footer { background: var(--ink-900); color: var(--text-inverse); padding-block: 56px 28px; }
.site-footer a { text-decoration: none; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(244, 241, 234, 0.12);
}
@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-brand p { color: var(--text-inverse-muted); font-size: 0.92rem; margin-top: 14px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-inverse-muted);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-inverse-muted); font-size: 0.92rem; }
.footer-col a:hover { color: var(--accent-on-dark); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--text-inverse-muted);
}

/* ---- forms ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); }
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--focus); outline-offset: 1px; }

.contact-info { display: flex; flex-direction: column; gap: 22px; }
.contact-info .row { display: flex; gap: 14px; align-items: flex-start; }
.contact-info h4 { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); font-family: var(--font-display); font-weight: 600; }
.contact-info a.value, .contact-info .value { font-size: 1rem; }

.note-box {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  background: var(--bg-sunken);
}

/* ---- insights ---- */
.insight-card { gap: 16px; }
.insight-card .pill { align-self: flex-start; }

/* ---- divider rule (amber) ---- */
.rule {
  width: 46px;
  height: 3px;
  background: var(--accent-strong);
  border: none;
  border-radius: 2px;
}