/* ─── Summit Tax Strategy — Design System ───────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300..700;1,6..72,300..700&family=Geist:wght@300..700&family=Geist+Mono:wght@400;500&display=swap');

:root{
  --paper:#f5f3ed;
  --paper-2:#ece9e0;
  --paper-3:#e2dfd3;
  --ink:#15202c;
  --ink-2:#36404c;
  --ink-3:#6a7280;
  --rule:#d3cec0;
  --rule-2:#bdb7a6;
  --clay:#1e4870;
  --clay-deep:#143553;
  --navy:#1e4870;
  --navy-deep:#143553;
  --navy-mid:#2c6e9a;
  --sage:#5a7a6a;
  --spice:#b78a3e;
  --gold:#b08947;

  --serif:'Newsreader', 'Source Serif Pro', Georgia, serif;
  --sans:'Geist', ui-sans-serif, system-ui, sans-serif;
  --mono:'Geist Mono', ui-monospace, monospace;

  --r-sm:6px;
  --r:10px;
  --r-lg:18px;

  --shadow-sm:0 1px 0 rgba(26,26,26,.04), 0 1px 2px rgba(26,26,26,.04);
  --shadow:0 8px 30px rgba(26,26,26,.06), 0 1px 0 rgba(26,26,26,.04);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  font-feature-settings:"ss01","cv11";
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}

/* ─── Type ─── */
.display{
  font-family:var(--serif);
  font-weight:380;
  line-height:.98;
  letter-spacing:-0.025em;
  text-wrap:balance;
}
.display em{font-style:italic;font-weight:340;color:var(--clay)}
.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--spice);
}
.eyebrow.muted{color:var(--ink-3)}
.kicker{
  font-family:var(--sans);
  font-size:13px;
  font-weight:500;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-3);
}
.label{
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink-3);
}
.lede{
  font-size:19px;
  line-height:1.5;
  color:var(--ink-2);
  text-wrap:pretty;
  max-width:60ch;
}
.serif{font-family:var(--serif)}
.mono{font-family:var(--mono)}

/* ─── Layout ─── */
.shell{max-width:1320px;margin:0 auto;padding:0 32px}
.shell-narrow{max-width:1040px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-lg{padding:140px 0}
.section-sm{padding:64px 0}
.divider{height:1px;background:var(--rule);width:100%}
.divider-soft{height:1px;background:linear-gradient(90deg,transparent,var(--rule),transparent);width:100%}

/* ─── Nav ─── */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(246,244,239,.86);
  backdrop-filter:blur(12px) saturate(1.4);
  border-bottom:1px solid var(--rule);
}
.nav-inner{
  max-width:1320px;margin:0 auto;
  padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-wordmark{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  line-height:1;
  color:var(--ink);
  font-family:var(--serif);
}
.bw-main{
  font-size:26px;
  font-weight:500;
  letter-spacing:.18em;
  text-indent:.18em;
  line-height:1;
}
.bw-sub{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:6px;
  font-family:var(--sans);
  font-size:10px;
  font-weight:500;
  letter-spacing:.28em;
  text-indent:.28em;
  text-transform:uppercase;
  color:var(--ink-2);
}
.bw-rule{
  display:inline-block;
  width:18px;
  height:1px;
  background:currentColor;
  opacity:.55;
}
.foot .brand-wordmark{color:var(--paper)}
.foot .bw-sub{color:rgba(246,244,239,.55)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-link{font-size:14px;color:var(--ink-2);position:relative}
.nav-link:hover{color:var(--ink)}
.nav-link.active{color:var(--ink)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--clay)}

/* ─── Buttons ─── */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;
  font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:-.005em;
  border-radius:999px;
  transition:transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}
.btn-primary{
  background:var(--ink);color:var(--paper);
}
.btn-primary:hover{background:var(--clay);transform:translateY(-1px)}
.btn-clay{background:var(--clay);color:var(--paper)}
.btn-clay:hover{background:var(--clay-deep);transform:translateY(-1px)}
.btn-paper{background:var(--paper);color:var(--ink)}
.btn-paper:hover{background:var(--spice);color:var(--paper);transform:translateY(-1px)}
.btn-spice{background:var(--spice);color:var(--ink)}
.btn-spice:hover{background:#9a722f;color:var(--paper);transform:translateY(-1px)}
.btn-ghost{color:var(--ink);border:1px solid var(--rule-2)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-lg{padding:16px 26px;font-size:15px}
.btn-arrow{transition:transform .2s ease}
.btn:hover .btn-arrow{transform:translateX(3px)}

/* ─── Footer ─── */
.foot{
  background:var(--ink);
  color:var(--paper);
  padding:80px 0 28px;
  margin-top:80px;
}
.foot a{color:var(--paper)}
.foot-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;
  padding-bottom:60px;border-bottom:1px solid rgba(246,244,239,.12);
}
.foot h4{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:rgba(246,244,239,.5);margin:0 0 18px}
.foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.foot ul a{font-size:14px;color:rgba(246,244,239,.85)}
.foot ul a:hover{color:var(--spice)}
.foot-meta{
  padding-top:28px;
  display:flex;justify-content:space-between;gap:24px;align-items:center;
  font-size:12px;color:rgba(246,244,239,.5);font-family:var(--mono);
}

/* ─── Components ─── */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;
  border:1px solid var(--rule-2);
  border-radius:999px;
  font-size:12px;color:var(--ink-2);background:var(--paper);
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--sage)}

.card{
  background:var(--paper);
  border:1px solid var(--rule);
  border-radius:var(--r-lg);
  padding:32px;
}

.stat-num{font-family:var(--serif);font-size:64px;line-height:1;letter-spacing:-.03em;font-weight:380}
.stat-num em{font-style:italic;color:var(--clay)}
.stat-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-top:10px}

/* placeholder image — striped */
.ph{
  position:relative;
  background:
    repeating-linear-gradient(135deg,
      rgba(42,79,110,.06) 0px,
      rgba(42,79,110,.06) 1px,
      transparent 1px,
      transparent 14px),
    var(--paper-2);
  border:1px solid var(--rule);
  border-radius:var(--r);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
}

/* link with arrow */
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:2px;
  transition:color .15s ease, border-color .15s ease;
}
.link-arrow:hover{color:var(--clay);border-color:var(--clay)}
.link-arrow svg{transition:transform .15s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* utility */
.row{display:flex;gap:16px;align-items:center}
.col{display:flex;flex-direction:column}
.between{justify-content:space-between}
.center{align-items:center;justify-content:center}
.wrap{flex-wrap:wrap}
.grow{flex:1}
.muted{color:var(--ink-3)}
.tight{line-height:1}

/* ─── Mobile nav ─── */
.nav-burger{
  display:none;
  align-items:center;justify-content:center;
  width:40px;height:40px;
  border-radius:var(--r-sm);
  color:var(--ink);
  flex-shrink:0;
  transition:color .15s;
}
.nav-burger:hover{color:var(--clay)}
.nav-burger .close-icon{display:none}
.nav-burger.open .burger-icon{display:none}
.nav-burger.open .close-icon{display:block}

.nav-mobile{
  display:none;
  flex-direction:column;
  padding:8px 22px 24px;
  background:rgba(245,243,237,.98);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--rule);
}
.nav-mobile-link{
  display:block;
  padding:15px 4px;
  font-size:17px;
  color:var(--ink-2);
  border-bottom:1px solid var(--rule);
}
.nav-mobile-link:last-of-type{}
.nav-mobile-link.active{color:var(--ink);font-weight:500}
.nav-mobile-cta{
  margin-top:20px;
  justify-content:center;
  width:100%;
}

/* responsive */
@media (max-width:880px){
  .section{padding:64px 0}
  .section-lg{padding:80px 0}
  .nav-links{display:none}
  .nav-burger{display:flex}
  .nav-mobile.open{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .shell,.shell-narrow{padding:0 22px}
}