/* ============================================
   SERENITY CONSULTING — design tokens
   Palette: deep navy + warm paper + muted gold
   Type: Source Serif 4 (display) / IBM Plex Sans (body) / IBM Plex Mono (labels, figures)
   Signature: the "balance line" — a thin gold rule that anchors headlines,
   echoing a ledger line / horizon, tying the brand name (calm) to the
   discipline of audit & finance (precision).
   ============================================ */

:root {
  --navy-950: #0f1b30;
  --navy-800: #17294a;
  --navy-700: #223a63;
  --navy-500: #3f5a8a;
  --ink: #23262e;
  --ink-soft: #5b616e;
  --paper: #f6f5f1;
  --white: #ffffff;
  --line: #dedad0;
  --gold: #ab8a45;
  --gold-soft: #e7d9b6;

  --display: "Source Serif 4", Georgia, serif;
  --body: "IBM Plex Sans", -apple-system, Segoe UI, Arial, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;

  --max: 1120px;
}

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

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; color: var(--navy-950); margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.2; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; }

.eyebrow {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-block;
  margin-bottom: .9em;
}

/* the signature rule */
.balance-line {
  width: 64px;
  height: 2px;
  background: var(--gold);
  border: none;
  margin: 1.1em 0 1.4em;
}
.balance-line--center { margin-left: auto; margin-right: auto; }

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

/* ---------- header / nav ---------- */
header.site-header {
  background: var(--navy-950) url('finance-pattern.svg') repeat;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: var(--display); font-weight: 600; font-size: 1.25rem;
  color: var(--white); text-decoration: none; letter-spacing: .01em;
}
.logo span { color: var(--gold); }
.logo small {
  display: block; font-family: var(--mono); font-size: .6rem;
  letter-spacing: .16em; color: rgba(255,255,255,.55); font-weight: 400;
  text-transform: uppercase; margin-top: 2px;
}
nav.main-nav { display: flex; gap: 2.2rem; align-items: center; }
nav.main-nav a {
  color: rgba(255,255,255,.82); text-decoration: none; font-size: .95rem;
  font-weight: 500; position: relative; padding: 4px 0;
}
nav.main-nav a:hover { color: var(--white); }
nav.main-nav a.active { color: var(--white); }
nav.main-nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--gold);
}
.nav-cta {
  background: transparent; border: 1px solid var(--gold); color: var(--gold) !important;
  padding: 8px 18px; border-radius: 2px; font-size: .88rem !important;
}
.nav-cta:hover { background: var(--gold); color: var(--navy-950) !important; }

.menu-toggle { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--body); font-weight: 600;
  font-size: .95rem; text-decoration: none; padding: 13px 28px;
  border-radius: 2px; border: 1px solid transparent; cursor: pointer;
  transition: all .15s ease;
}
.btn-gold { background: var(--gold); color: var(--navy-950); }
.btn-gold:hover { background: #96793b; }
.btn-outline { border-color: rgba(255,255,255,.5); color: var(--white); background: transparent; }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy-950); color: var(--white); }
.btn-navy:hover { background: var(--navy-800); }

/* ---------- hero ---------- */
.hero {
  background: var(--navy-950) url('finance-pattern.svg') repeat;
  color: var(--white);
  padding: 96px 0 84px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-soft), transparent);
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { color: var(--white); max-width: 780px; }
.hero p.lead { color: rgba(255,255,255,.72); max-width: 560px; font-size: 1.08rem; }
.hero .balance-line { background: var(--gold); }
.hero-actions { display: flex; gap: 14px; margin-top: 1.6em; flex-wrap: wrap; }

.stat-strip {
  background: var(--navy-800);
  border-top: 1px solid rgba(255,255,255,.08);
}
.stat-strip .wrap {
  display: flex; flex-wrap: wrap; gap: 40px;
  padding: 26px 28px;
}
.stat { font-family: var(--mono); color: rgba(255,255,255,.85); font-size: .85rem; letter-spacing: .03em; }
.stat b { display: block; color: var(--white); font-size: 1.05rem; font-family: var(--display); font-weight: 600; }

/* ---------- sections ---------- */
section { padding: 84px 0; }
section.tight { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 2.6rem; }
.on-white { background: var(--white); }
.on-paper { background: var(--paper); }
.on-navy { background: var(--navy-950) url('finance-pattern.svg') repeat; color: var(--white); }
.on-navy h2 { color: var(--white); }
.on-navy p { color: rgba(255,255,255,.72); }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 30px 28px;
  border-radius: 2px;
}
.card .num {
  font-family: var(--mono); color: var(--gold); font-size: .8rem;
  letter-spacing: .08em; display: block; margin-bottom: .8em;
}
.card h3 { margin-bottom: .5em; }
.card p { margin-bottom: 0; font-size: .95rem; }

.value-card { border-top: 2px solid var(--gold); }

.link-arrow { color: var(--navy-800); text-decoration: none; font-weight: 600; font-size: .92rem; }
.link-arrow:hover { color: var(--gold); }

/* placeholder blocks (used on Clients page until real assets exist) */
.placeholder-logo {
  border: 1px dashed var(--line);
  background: var(--white);
  height: 74px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .06em;
  color: var(--ink-soft); text-transform: uppercase;
}
.testimonial {
  background: var(--white); border: 1px solid var(--line); border-left: 3px solid var(--gold);
  padding: 26px 26px 22px; border-radius: 2px;
}
.testimonial p.quote { font-family: var(--display); font-size: 1.05rem; color: var(--navy-950); font-style: italic; }
.testimonial .who { font-family: var(--mono); font-size: .78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.placeholder-flag {
  display: inline-block; font-family: var(--mono); font-size: .68rem; letter-spacing: .07em;
  color: var(--gold); border: 1px solid var(--gold-soft); padding: 2px 8px; border-radius: 2px;
  text-transform: uppercase; margin-bottom: 1.4rem;
}

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; }
.contact-item { margin-bottom: 1.6rem; }
.contact-item .label { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; color: var(--gold); text-transform: uppercase; display: block; margin-bottom: .3em; }
.contact-item a, .contact-item span.val { font-size: 1.05rem; color: var(--navy-950); text-decoration: none; font-weight: 500; }

form.contact-form { background: var(--white); border: 1px solid var(--line); padding: 32px; border-radius: 2px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; font-weight: 600; color: var(--navy-950); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 2px;
  font-family: var(--body); font-size: .95rem; background: var(--paper); color: var(--ink);
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.form-note { font-size: .82rem; color: var(--ink-soft); margin-top: 10px; }

/* ---------- footer ---------- */
footer.site-footer {
  background: var(--navy-950) url('finance-pattern.svg') repeat; color: rgba(255,255,255,.65);
  padding: 48px 0 28px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; margin-bottom: 30px; }
.footer-grid h3 { color: var(--white); font-size: 1.05rem; }
.footer-nav a { display: block; color: rgba(255,255,255,.65); text-decoration: none; font-size: .92rem; margin-bottom: 8px; }
.footer-nav a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px;
  font-size: .8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- CTA band ---------- */
.cta-band { background: var(--navy-950) url('finance-pattern.svg') repeat; color: var(--white); text-align: center; padding: 70px 0; }
.cta-band h2 { color: var(--white); }
.cta-band .balance-line { margin-left: auto; margin-right: auto; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  nav.main-nav { position: fixed; inset: 76px 0 0 0; background: var(--navy-950);
    flex-direction: column; align-items: flex-start; padding: 24px 28px; gap: 1.2rem;
    transform: translateY(-110%); transition: transform .2s ease; }
  nav.main-nav.open { transform: translateY(0); }
  .menu-toggle {
    display: block; background: none; border: none; color: var(--white);
    font-size: 1.6rem; cursor: pointer; line-height: 1;
  }
}
@media (max-width: 600px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 64px 0 56px; }
}