/* ============================================================
   Langford Advisory — site styles
   Brand tokens inherited from marketing/brochure/index.html
   ============================================================ */

:root {
  --navy:    #16294A;
  --navy-2:  #22385C;
  --silver:  #9AA5B1;   /* graphic marks, rules, on-navy accents */
  --silver-bright: #B9C2CC; /* accent on dark panels */
  --steel:   #5F6C7B;   /* text-grade accent on light grounds (AA) */
  --paper:   #FAFBFC;
  --paper-2: #EEF1F4;
  --ink:     #34383F;
  --muted:   #6C7178;
  --line:    #DDE2E8;

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:  'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  --maxw: 1120px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --section-y: clamp(4rem, 9vw, 8rem);

  --radius: 2px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.serif { font-family: var(--serif); }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--navy); color: #fff; padding: .75rem 1.25rem; border-radius: var(--radius);
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* shared focus ring */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--steel);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* ---- kicker / headings ---- */
.kicker {
  font-size: .75rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--steel); font-weight: 600; margin: 0 0 1.25rem;
}
.kicker.light { color: var(--silver-bright); }

.section-h {
  color: var(--navy); font-weight: 600;
  font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.06; letter-spacing: .005em;
  margin: 0;
}
.section-lead {
  color: var(--navy-2); font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 400; line-height: 1.65; max-width: 56ch; margin: 1.25rem 0 0;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: transparent;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(250, 251, 252, .9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }

.wordmark { text-decoration: none; display: inline-flex; flex-direction: column; gap: 3px; line-height: 1; }
.wordmark-name {
  color: var(--navy); font-weight: 600; font-size: 1.5rem; letter-spacing: .1em;
}
.wordmark-sub {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--steel); font-weight: 500; font-size: .62rem; letter-spacing: .3em; text-transform: uppercase;
}
.wordmark-sub .ln { width: 28px; height: 1px; background: var(--silver); display: inline-block; }

.nav-links { display: flex; align-items: center; gap: clamp(1.25rem, 2.5vw, 2.25rem); }
.nav-links a {
  text-decoration: none; color: var(--navy-2); font-size: .9rem; font-weight: 400;
  letter-spacing: .02em; transition: color .2s var(--ease);
}
.nav-links a:hover { color: var(--steel); }
.nav-links .nav-cta {
  color: var(--navy); border: 1px solid var(--navy); padding: .55rem 1.1rem; border-radius: var(--radius);
  font-weight: 500; transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-links .nav-cta:hover { background: var(--navy); color: var(--paper); }

/* hamburger */
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: .5rem; gap: 5px;
  flex-direction: column; width: 44px; height: 44px; align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; flex-direction: column; gap: .25rem;
  padding: 0 var(--gutter) 1rem;
  background: rgba(250, 251, 252, .98); border-bottom: 1px solid var(--line);
}
.mobile-menu a {
  text-decoration: none; color: var(--navy-2); font-size: 1rem; padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}
.mobile-menu a:last-child { border-bottom: 0; color: var(--steel); font-weight: 500; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--paper-2), transparent 60%),
    var(--paper);
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(4rem, 9vw, 8rem);
}
.hero::after {
  content: ""; position: absolute; left: var(--gutter); bottom: 0; width: 64px; height: 3px; background: var(--silver);
}
.hero-inner { max-width: 60rem; }
.hero-h {
  color: var(--navy); font-weight: 600; margin: 0;
  font-size: clamp(2.4rem, 5.5vw, 4rem); line-height: 1.08; letter-spacing: .003em;
  max-width: 22ch;
}
.hero-h em { color: var(--steel); font-style: italic; font-weight: 600; }
.hero-sub {
  color: var(--navy-2); font-weight: 400; font-size: clamp(1.1rem, 1.9vw, 1.4rem); line-height: 1.55;
  max-width: 54ch; margin: 1.75rem 0 0;
}
.hero-micro {
  color: var(--ink); font-size: 1rem; line-height: 1.6; max-width: 50ch;
  margin: 1.5rem 0 0; padding-left: 1.1rem; border-left: 2px solid var(--silver);
}
.hero-micro p { margin: 0 0 .8rem; }
.hero-micro p:last-child { margin-bottom: 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: .95rem; font-weight: 500; letter-spacing: .02em;
  text-decoration: none; padding: .95rem 1.75rem; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; transition: all .22s var(--ease);
}
.btn-primary { background: var(--navy); color: var(--paper); }
.btn-primary:hover { background: var(--navy-2); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--steel); color: var(--steel); }
.btn-accent { background: var(--steel); color: #fff; }
.btn-accent:hover { background: #6E7B8B; transform: translateY(-1px); }

/* ============================================================
   PRINCIPLE BAND
   ============================================================ */
.principle { background: var(--navy); padding: clamp(3rem, 6vw, 5rem) 0; }
.principle-line {
  color: var(--paper); font-weight: 500; text-align: center; margin: 0;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem); line-height: 1.25; letter-spacing: .01em;
}
.principle-line em { color: var(--silver-bright); font-style: italic; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: var(--section-y) 0; }
.section-head { max-width: 60rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }

/* ---- What we bring ---- */
.bring .section-head { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.bring-body { max-width: 60ch; }
.bring-body p { margin: 0 0 1.25rem; color: var(--ink); font-size: 1.05rem; }
.bring-body p:last-child { margin-bottom: 0; color: var(--navy-2); }

/* ---- How it works ---- */
.phases { display: grid; gap: 0; }
.phase {
  display: grid; grid-template-columns: minmax(96px, 140px) 1fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.75rem, 4vw, 2.75rem) 0; border-top: 1px solid var(--line);
}
.phase:last-child { border-bottom: 1px solid var(--line); }
.phase-num {
  color: var(--silver); font-weight: 600; font-size: clamp(2.75rem, 6vw, 4rem); line-height: .85;
}
.phase-num small {
  display: block; font-family: var(--sans); font-size: .7rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--navy); margin-top: .65rem;
}
.phase-h { color: var(--navy); font-weight: 600; font-size: clamp(1.4rem, 2.6vw, 1.85rem); line-height: 1.15; margin: 0 0 .6rem; }
.phase-body p { margin: 0; color: var(--ink); font-size: 1.05rem; max-width: 54ch; }
.phase-body p + p { margin-top: .85rem; }

/* ---- Difference ---- */
.difference { background: var(--paper-2); }
.difference-inner { max-width: 60rem; }
.difference-line {
  color: var(--navy); font-weight: 500; font-size: clamp(1.7rem, 3.8vw, 2.8rem);
  line-height: 1.22; margin: 0; letter-spacing: .005em;
}
.difference-line em { color: var(--steel); font-style: italic; }
.difference-foot { color: var(--navy-2); font-size: 1.1rem; margin: 1.75rem 0 0; max-width: 52ch; }

/* ---- What you get ---- */
.outcome-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.5rem, 3vw, 2.75rem);
}
.outcome-grid li {
  padding: clamp(1.5rem, 2.5vw, 2rem); background: var(--paper-2); border-radius: var(--radius);
  border: 1px solid var(--line);
}
.outcome-mark { display: block; width: 34px; height: 3px; background: var(--silver); margin-bottom: 1.25rem; }
.outcome-grid h3 { color: var(--navy); font-weight: 600; font-size: 1.3rem; margin: 0 0 .5rem; }
.outcome-grid p { margin: 0; color: var(--ink); font-size: 1rem; }

/* ---- Who you'll work with ---- */
.who { background: var(--paper-2); }
.who .section-head { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.who-body { max-width: 60ch; }
.who-body p { margin: 0 0 1.25rem; color: var(--ink); font-size: 1.05rem; }
.who-body p:last-child { margin-bottom: 0; color: var(--navy-2); }
.who-body strong { color: var(--navy); font-weight: 500; }

/* ---- Our leadership ---- */
.leader-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4.5vw, 4rem);
}
.leader-name {
  color: var(--navy); font-weight: 600; font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  line-height: 1.15; margin: 0 0 .4rem;
}
.leader-role {
  color: var(--steel); font-size: .74rem; letter-spacing: .26em; text-transform: uppercase;
  font-weight: 600; margin: 0 0 1.25rem;
}
.leader p { margin: 0 0 1rem; color: var(--ink); font-size: 1rem; max-width: 54ch; }
.leader p:last-child { margin-bottom: 0; }

/* ---- Assessment ---- */
.assessment-inner {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.assessment-text { max-width: 40rem; }
.assessment-note {
  color: var(--muted); font-size: .95rem; font-style: italic; margin: 1.5rem 0 2rem;
}
.assessment-cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.assessment-card {
  background: var(--navy); color: var(--paper); padding: clamp(1.75rem, 3vw, 2.5rem);
  border-radius: var(--radius); border-top: 3px solid var(--silver);
}
.card-kicker {
  color: var(--silver-bright); font-size: .72rem; letter-spacing: .26em; text-transform: uppercase;
  font-weight: 600; margin: 0 0 1.25rem;
}
.card-list { list-style: none; margin: 0; padding: 0; }
.card-list li {
  font-size: 1rem; color: #E3E8ED; padding: .85rem 0 .85rem 1.6rem; position: relative;
  border-bottom: 1px solid rgba(154, 165, 177, .3);
}
.card-list li:last-child { border-bottom: 0; }
.card-list li::before {
  content: ""; position: absolute; left: 0; top: 1.3rem; width: 8px; height: 8px;
  background: var(--silver); transform: rotate(45deg);
}

/* ---- Contact ---- */
.contact { background: var(--navy); text-align: center; }
.contact-inner { max-width: 48rem; margin-inline: auto; }
.contact-h { color: var(--paper); font-weight: 600; font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; margin: 0; }
.contact-sub { color: #C9D0DC; font-size: 1.15rem; line-height: 1.6; margin: 1.5rem auto 2.5rem; max-width: 44ch; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: #11203B; color: #AEB6C4; padding: clamp(2.5rem, 5vw, 4rem) 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-end; }
.footer-brand .wordmark-name { color: var(--paper); font-size: 1.4rem; letter-spacing: .1em; }
.footer-brand .wordmark-sub { color: var(--silver-bright); margin-top: 4px; }
.footer-brand .wordmark-sub .ln { background: var(--silver-bright); }
.footer-tag { margin: 1rem 0 0; font-size: .95rem; color: #8B93A3; }
.footer-meta { display: flex; flex-direction: column; gap: .5rem; text-align: right; }
.footer-meta a { color: var(--silver-bright); text-decoration: none; font-size: .95rem; }
.footer-meta a:hover { color: var(--paper); }
.footer-copy { font-size: .82rem; letter-spacing: .04em; color: #6E7689; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .menu-open .mobile-menu { display: flex; }
  .assessment-inner { grid-template-columns: 1fr; }
  .outcome-grid { grid-template-columns: 1fr; }
  .leader-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 520px) {
  .phase { grid-template-columns: 1fr; gap: .5rem; }
  .phase-num { display: flex; align-items: baseline; gap: .75rem; }
  .phase-num small { margin-top: 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}