/* ============================================================
   Creekside Advisory Group — shared design system
   Cinzel (display) · Montserrat (text)
   Navy #223f5d · Green #4f6335 · Taupe #bba87d · Azure #a7bccb · Stone #eaeaea
   ============================================================ */

:root {
  --navy:        #223f5d;
  --navy-deep:   #1a3149;
  --azure:       #a7bccb;
  --green:       #4f6335;
  --green-deep:  #3e4f29;
  --taupe:       #bba87d;
  --stone:       #eaeaea;
  --navy-tint:   #e8edf2;
  --paper:       #fcfcfb;
  --ink:         #2a3a48;
  --muted:       #5a6a78;

  --serif: 'Cinzel', Georgia, serif;
  --sans:  'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 100px;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1.5px;
  background: var(--taupe);
}
.eyebrow.center { justify-content: center; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; color: var(--navy); margin: 0; line-height: 1.18; letter-spacing: 0.005em; }
h1 { font-size: clamp(2.6rem, 5.2vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
h1 em, h2 em { font-style: italic; color: var(--green); font-weight: 500; }

p { margin: 0 0 1.1rem; }
.lead { font-size: clamp(1rem, 1.3vw, 1.15rem); color: var(--muted); line-height: 1.85; font-weight: 300; }
.body-text { color: var(--muted); line-height: 1.9; font-weight: 300; }
.body-text strong { color: var(--navy); font-weight: 500; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 14px 30px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1.5px solid transparent;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-deep); transform: translateY(-2px); box-shadow: 0 12px 28px -12px rgba(34,63,93,0.55); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--azure); }
.btn-ghost:hover { border-color: var(--navy); background: var(--navy-tint); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -12px rgba(0,0,0,0.4); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(167,188,203,0.6); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.link-arrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1.5px solid transparent;
  padding-bottom: 2px;
  transition: all 0.25s var(--ease);
}
.link-arrow:hover { border-color: var(--taupe); gap: 0.8rem; color: var(--green); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(252,252,251,0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s var(--ease);
}
.site-header.scrolled {
  background: rgba(252,252,251,0.96);
  border-bottom-color: var(--stone);
  box-shadow: 0 8px 30px -18px rgba(34,63,93,0.25);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  transition: height 0.35s var(--ease);
}
.site-header.scrolled .header-inner { height: 76px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 74px; width: auto; transition: height 0.35s var(--ease); }
.site-header.scrolled .brand img { height: 56px; }

.main-nav { display: flex; align-items: center; gap: 2.4rem; }
.main-nav a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  position: relative;
  padding: 4px 0;
  transition: color 0.25s var(--ease);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--taupe);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { color: var(--green); }

.header-cta { display: flex; align-items: center; gap: 1.25rem; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: all 0.3s var(--ease); }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Sections ---------- */
main { padding-top: var(--header-h); }
.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section.tint { background: var(--navy-tint); }
.section-head { max-width: 640px; }
.section-head.center { margin-inline: auto; text-align: center; }

/* ---------- Reveal animation ----------
   Progressive enhancement: content is fully visible by default. The hidden
   start-state is applied ONLY when JS is confirmed running (html.js), so if
   any script fails to load on the host the page still renders all content. */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #fff; padding: clamp(3.5rem, 6vw, 5rem) 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-brand img { height: 132px; width: auto; margin-bottom: 1.25rem; }
.footer-blurb { font-size: 13px; color: var(--azure); line-height: 1.85; font-weight: 300; max-width: 320px; }
.footer-col h4 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--taupe);
  margin: 0 0 1.25rem;
}
.footer-col a, .footer-col p { display: block; color: var(--stone); text-decoration: none; font-size: 13px; font-weight: 300; margin-bottom: 0.7rem; transition: color 0.25s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bar {
  border-top: 1px solid rgba(167,188,203,0.22);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 11px;
  font-weight: 300;
  color: var(--azure);
  flex-wrap: wrap;
}

/* ---------- CTA band ---------- */
.cta-band { background: var(--navy); color: #fff; padding: clamp(3.5rem, 7vw, 6rem) 0; position: relative; overflow: hidden; }
.cta-band .ridge { position: absolute; inset: auto 0 0 0; opacity: 0.14; }
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.cta-band h2 { color: #fff; max-width: 600px; }
.cta-band h2 em { color: var(--taupe); }
.cta-band p { color: var(--azure); max-width: 460px; margin-top: 1rem; }

/* ---------- Cards / shared bits ---------- */
.card {
  background: #fff;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -28px rgba(34,63,93,0.35); border-color: var(--azure); }
.card .accent { width: 36px; height: 3px; border-radius: 2px; margin-bottom: 1.25rem; background: var(--green); }

/* ---------- Placeholder imagery ---------- */
.ph {
  background:
    repeating-linear-gradient(45deg, var(--navy-tint), var(--navy-tint) 11px, #f2f5f8 11px, #f2f5f8 22px);
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-family: 'SF Mono', ui-monospace, Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 1rem;
}

/* ---------- Mobile ---------- */
@media (max-width: 880px) {
  :root { --header-h: 84px; }
  .brand img { height: 60px; }
  .site-header.scrolled .brand img { height: 50px; }
  .nav-toggle { display: flex; }
  .header-cta .btn { display: none; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--stone);
    padding: 0.5rem var(--gutter) 1.5rem;
    box-shadow: 0 20px 40px -24px rgba(34,63,93,0.4);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s var(--ease);
  }
  body.nav-open .main-nav { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 1rem 0; border-bottom: 1px solid var(--stone); font-size: 14px; }
  .main-nav a::after { display: none; }
  .main-nav .mobile-cta { display: inline-flex; margin-top: 1.25rem; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; }
}
@media (min-width: 881px) { .main-nav .mobile-cta { display: none; } }