/* ============================================================
   OPTION E — Design System v2
   Investment Banking & Capital Strategy Advisory
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,400;1,8..60,600&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ---- Tokens ---- */
:root {
  --paper:        #FAFAF8;
  --paper-raised: #F3F2ED;
  --paper-subtle: #ECEAE5;
  --ink:          #17171C;
  --ink-soft:     #38383E;
  --ink-faint:    #888892;
  --navy:         #0F2747;
  --navy-mid:     #1B3861;
  --navy-soft:    #233F6D;
  --navy-deep:    #091B33;
  --gold:         #B8943F;
  --gold-bright:  #C9A850;
  --gold-soft:    #D4B870;
  --gold-pale:    #EDE0C0;
  --teal:         #2A6354;
  --teal-soft:    #5E9D8F;
  --border:       #D0CCC4;
  --border-strong:#A8A09A;
  --on-dark:      #E4E8F0;

  --bg:             var(--paper);
  --bg-raised:      var(--paper-raised);
  --bg-subtle:      var(--paper-subtle);
  --text:           var(--ink);
  --text-soft:      var(--ink-soft);
  --text-faint:     var(--ink-faint);
  --accent:         var(--gold);
  --accent-bright:  var(--gold-bright);
  --accent-soft:    var(--gold-soft);
  --accent-2:       var(--teal);
  --panel-dark:     var(--navy);
  --panel-dark-text:var(--on-dark);

  --sh-card:    0 1px 3px rgba(15,39,71,.05), 0 4px 16px -4px rgba(15,39,71,.10);
  --sh-lift:    0 4px 12px rgba(15,39,71,.08), 0 24px 48px -12px rgba(15,39,71,.20);
  --sh-hover:   0 8px 28px -4px rgba(15,39,71,.18), 0 32px 64px -16px rgba(15,39,71,.22);
  --sh-premium: 0 2px 8px rgba(15,39,71,.06), 0 16px 40px -8px rgba(15,39,71,.16);

  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;

  --container:        1240px;
  --container-narrow: 900px;
  --r-sm: 3px;
  --r-md: 6px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg:          #0A0D12;
  --bg-raised:   #111520;
  --bg-subtle:   #161B28;
  --text:        #E6E6EC;
  --text-soft:   #A6A6B2;
  --text-faint:  #606070;
  --border:      #1C2538;
  --border-strong:#283450;
  --accent:      #C9A850;
  --accent-bright:#DCBA6A;
  --accent-soft: #D4B870;
  --sh-card:  0 1px 3px rgba(0,0,0,.32), 0 4px 16px -4px rgba(0,0,0,.44);
  --sh-lift:  0 4px 12px rgba(0,0,0,.36), 0 24px 48px -12px rgba(0,0,0,.58);
  --sh-hover: 0 8px 28px -4px rgba(0,0,0,.48), 0 32px 64px -16px rgba(0,0,0,.62);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body,h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---- Base ---- */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background .4s var(--ease), color .4s var(--ease);
  overflow-x: hidden;
}
p { color: var(--text-soft); }
p:not(.lede):not(.eyebrow) { text-align: justify; hyphens: auto; }

/* ---- Typography ---- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.eyebrow::before { content:''; width:24px; height:1px; background:var(--accent); flex-shrink:0; }

h1,h2,h3,h4 { font-family:var(--font-display); font-weight:600; letter-spacing:-0.015em; color:var(--text); }
h1 { font-size:clamp(40px,5.2vw,72px); line-height:1.05; }
h2 { font-size:clamp(30px,3.6vw,48px); line-height:1.10; }
h3 { font-size:clamp(22px,2.4vw,29px); line-height:1.20; }
h4 { font-size:18px; line-height:1.35; font-weight:600; }

.lede { font-size:clamp(17px,1.65vw,20px); color:var(--text-soft); line-height:1.72; max-width:660px; text-align:left; }
.mono { font-family:var(--font-mono); }
.serif-italic { font-family:var(--font-display); font-style:italic; }

/* ---- Layout ---- */
.container { max-width:var(--container); margin:0 auto; padding:0 32px; }
.container--narrow { max-width:var(--container-narrow); margin:0 auto; padding:0 32px; }
.section { padding: 112px 0; }
.section--tight { padding: 80px 0; }
.section--slim  { padding: 48px 0; }
@media(max-width:768px){
  .section { padding: 72px 0; }
  .section--tight { padding: 52px 0; }
  .container,.container--narrow { padding:0 20px; }
}
.section-head { max-width:660px; margin-bottom:56px; }
.section-head--center { margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2 { margin-bottom:14px; }
.section-head p { text-align:justify; hyphens:auto; }

/* ---- Buttons ---- */
.btn {
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 32px;
  font-family:var(--font-body); font-size:14px; font-weight:600; letter-spacing:0.03em;
  border-radius:var(--r-sm); border:1px solid transparent;
  transition:all .3s var(--ease); white-space:nowrap;
}
.btn-lg { padding:18px 40px; font-size:15px; }
.btn-primary { background:var(--navy); color:#EEF0F4; border-color:var(--navy); }
.btn-primary:hover { background:var(--gold); border-color:var(--gold); color:#12141A; transform:translateY(-2px); box-shadow:var(--sh-lift); }
[data-theme="dark"] .btn-primary { background:var(--accent); color:#0A0D12; border-color:var(--accent); }
[data-theme="dark"] .btn-primary:hover { background:var(--accent-bright); border-color:var(--accent-bright); }

.btn-secondary { background:transparent; color:var(--text); border-color:var(--border-strong); }
.btn-secondary:hover { border-color:var(--navy); color:var(--navy); background:var(--bg-raised); }
[data-theme="dark"] .btn-secondary { color:var(--text-soft); }
[data-theme="dark"] .btn-secondary:hover { border-color:var(--accent); color:var(--accent); background:transparent; }

.btn-gold { background:var(--gold); color:#12141A; border-color:var(--gold); }
.btn-gold:hover { background:var(--gold-bright); border-color:var(--gold-bright); transform:translateY(-2px); box-shadow:var(--sh-lift); }

.btn-ghost { background:transparent; color:var(--navy); padding:0; border:none; gap:8px; font-size:14px; font-weight:600; letter-spacing:.02em; }
[data-theme="dark"] .btn-ghost { color:var(--accent-soft); }
.btn-ghost::after { content:'→'; transition:transform .3s var(--ease); }
.btn-ghost:hover::after { transform:translateX(6px); }

/* ---- Navigation ---- */
.site-header {
  position:sticky; top:0; z-index:100;
  background:color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:background .4s var(--ease), border-color .4s var(--ease);
}
.nav {
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 32px; max-width:var(--container); margin:0 auto;
}
.brand { display:flex; align-items:center; gap:11px; flex-shrink:0; }
.brand-mark { width:34px; height:34px; flex-shrink:0; }
.brand-word { display:flex; flex-direction:column; line-height:1; }
.brand-word .name { font-family:var(--font-display); font-weight:600; font-size:16px; letter-spacing:0.07em; color:var(--text); text-transform:uppercase; }
.brand-word .tag { font-family:var(--font-mono); font-size:8px; letter-spacing:0.10em; color:var(--accent); margin-top:5px; }
.brand-word .tag-sep { opacity:0.5; margin:0 2px; }

.nav-links { display:flex; align-items:center; gap:24px; }
.nav-links a { font-size:12.5px; font-weight:500; letter-spacing:0.02em; color:var(--text-soft); position:relative; padding:4px 0; transition:color .25s var(--ease); }
.nav-links a::after { content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px; background:var(--accent); transition:width .3s var(--ease); }
.nav-links a:hover,.nav-links a.active { color:var(--text); }
.nav-links a:hover::after,.nav-links a.active::after { width:100%; }

.nav-right { display:flex; align-items:center; gap:16px; }
.theme-toggle { width:44px; height:24px; border-radius:20px; background:var(--border-strong); position:relative; border:none; flex-shrink:0; transition:background .3s var(--ease); }
.theme-toggle::before { content:''; position:absolute; top:2px; left:2px; width:20px; height:20px; border-radius:50%; background:var(--bg); transition:transform .3s var(--ease); box-shadow:0 1px 3px rgba(0,0,0,.2); }
[data-theme="dark"] .theme-toggle { background:var(--accent); }
[data-theme="dark"] .theme-toggle::before { transform:translateX(20px); background:var(--navy); }
.nav-toggle { display:none; width:32px; height:22px; position:relative; background:none; border:none; }
.nav-toggle span { position:absolute; left:0; width:100%; height:1.5px; background:var(--text); transition:all .3s var(--ease); }
.nav-toggle span:nth-child(1){top:0}
.nav-toggle span:nth-child(2){top:50%;transform:translateY(-50%)}
.nav-toggle span:nth-child(3){bottom:0}
.nav-toggle.is-open span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}
.mobile-cta { display:none; }

@media(max-width:480px){ .brand-word .tag{display:none} }

@media(max-width:1080px){
  .nav-links {
    position:fixed; top:67px; left:0; right:0; height:calc(100vh - 67px);
    background:var(--bg); flex-direction:column; align-items:flex-start;
    padding:36px 28px; gap:6px; transform:translateX(100%);
    transition:transform .4s var(--ease); overflow-y:auto; z-index:99;
  }
  .nav-links.is-open { transform:translateX(0); }
  .nav-links a { width:100%; padding:14px 0; border-bottom:1px solid var(--border); font-size:16px; }
  .nav-links a.btn-primary { padding:15px 28px; border-bottom:none; font-size:14px; font-weight:600; color:#EEF0F4; justify-content:center; }
  [data-theme="dark"] .nav-links a.btn-primary { color:#0A0D12; }
  .nav-toggle { display:block; }
  .nav-cta { display:none; }
  .mobile-cta { display:block; margin-top:18px; width:100%; }
  .mobile-cta .btn { width:100%; justify-content:center; }
}

/* ---- Hero (clean, full-width) ---- */
.hero {
  padding:120px 0 88px;
  position:relative;
  background:linear-gradient(150deg, var(--paper) 0%, #F5F4F0 55%, #F0EFF8 100%);
}
.hero::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent 0%,var(--border-strong) 30%,var(--border-strong) 70%,transparent 100%);
}
.hero-inner { max-width:820px; }
.hero-inner h1 { margin-bottom:24px; }
.hero-inner .lede { margin-bottom:40px; }
.hero-inner h1 em { font-style:italic; color:var(--accent); }
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; }
@media(max-width:768px){ .hero { padding:80px 0 64px; } }

/* ---- Stat bar ---- */
.stat-bar { border-top:1px solid var(--border); border-bottom:1px solid var(--border); background:var(--bg); }
.stat-grid { display:grid; grid-template-columns:repeat(4,1fr); }
.stat-cell { padding:40px 32px; border-left:1px solid var(--border); }
.stat-cell:first-child { border-left:none; }
.stat-num { font-family:var(--font-mono); font-size:clamp(24px,2.6vw,34px); font-weight:600; color:var(--navy); letter-spacing:-0.02em; }
[data-theme="dark"] .stat-num { color:var(--accent-soft); }
.stat-label { font-size:12.5px; color:var(--text-faint); margin-top:8px; letter-spacing:.01em; line-height:1.45; text-align:left; }
@media(max-width:860px){
  .stat-grid { grid-template-columns:repeat(2,1fr); }
  .stat-cell:nth-child(3){ border-left:none; }
  .stat-cell { padding:28px 20px; }
}

/* ---- Philosophy split ---- */
.split { display:grid; grid-template-columns:0.9fr 1.1fr; gap:80px; align-items:start; }
@media(max-width:860px){ .split { grid-template-columns:1fr; gap:40px; } }
.qa-list { display:flex; flex-direction:column; }
.qa-row { padding:20px 0; border-top:1px solid var(--border); display:grid; grid-template-columns:28px 1fr; gap:18px; }
.qa-row:last-child { border-bottom:1px solid var(--border); }
.qa-row .num { font-family:var(--font-mono); font-size:11px; color:var(--accent); padding-top:4px; }
.qa-row p { color:var(--text); font-size:15.5px; text-align:left; }

/* ---- FAQ accordion ---- */
.faq-item { border-top:1px solid var(--border); }
.faq-item:last-child { border-bottom:1px solid var(--border); }
.faq-q { display:flex; align-items:center; justify-content:space-between; padding:24px 4px; background:none; border:none; width:100%; text-align:left; cursor:pointer; }
.faq-q h4 { font-family:var(--font-body); font-weight:600; font-size:16.5px; color:var(--text); }
.faq-icon { width:16px; height:16px; position:relative; flex-shrink:0; margin-left:24px; }
.faq-icon::before,.faq-icon::after { content:''; position:absolute; background:var(--text); top:50%; left:50%; }
.faq-icon::before { width:16px; height:1.5px; transform:translate(-50%,-50%); }
.faq-icon::after { width:1.5px; height:16px; transform:translate(-50%,-50%); transition:transform .3s var(--ease); }
.faq-item.is-open .faq-icon::after { transform:translate(-50%,-50%) rotate(90deg); opacity:0; }
.faq-a { max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq-a-inner { padding:0 4px 28px; max-width:780px; }
.faq-a-inner p { text-align:justify; hyphens:auto; }
.faq-item.is-open .faq-a { max-height:440px; }

/* ---- Tags / badges ---- */
.tag { display:inline-flex; align-items:center; font-family:var(--font-mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; padding:5px 11px; border:1px solid var(--border-strong); border-radius:2px; color:var(--text-faint); }

/* ---- Page hero (inner pages) ---- */
.page-hero { padding:64px 0 56px; border-bottom:1px solid var(--border); background:var(--bg); }
.page-hero .crumb { font-family:var(--font-mono); font-size:11.5px; color:var(--text-faint); margin-bottom:22px; letter-spacing:.04em; }
.page-hero .crumb a:hover { color:var(--accent); }
.page-hero .lede { text-align:justify; hyphens:auto; }

/* ---- Industries ---- */
.industry-row { display:flex; flex-wrap:wrap; gap:10px; }
.industry-pill { padding:11px 22px; border:1px solid var(--border-strong); border-radius:2px; font-size:13.5px; color:var(--text-soft); background:transparent; transition:all .3s var(--ease); }
.industry-pill:hover { background:var(--navy); border-color:var(--navy); color:#fff; transform:translateY(-2px); box-shadow:0 4px 12px -4px rgba(15,39,71,.3); }
[data-theme="dark"] .industry-pill:hover { background:var(--accent); border-color:var(--accent); color:#0A0D12; }
.industry-pill.is-active { background:var(--navy); border-color:var(--navy); color:#fff; }
[data-theme="dark"] .industry-pill.is-active { background:var(--accent); border-color:var(--accent); color:#0A0D12; }
button.industry-pill { font-family:var(--font-body); cursor:pointer; }

/* ---- Service grid ---- */
.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border-strong); border:1.5px solid var(--border-strong); }
.service-card { background:var(--bg); padding:40px 34px; position:relative; overflow:hidden; transition:background .3s var(--ease); }
.service-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,var(--gold),var(--gold-bright)); transform:scaleX(0); transform-origin:left; transition:transform .4s var(--ease); }
.service-card:hover { background:var(--bg-raised); }
.service-card:hover::before { transform:scaleX(1); }
.service-card .icon { width:28px; height:28px; margin-bottom:22px; color:var(--accent); }
.service-card h4 { margin-bottom:10px; }
.service-card p { font-size:14.5px; text-align:left; }
@media(max-width:860px){ .service-grid { grid-template-columns:repeat(2,1fr); } }
@media(max-width:560px){ .service-grid { grid-template-columns:1fr; } }

/* ---- CTA band ---- */
.cta-band { background:var(--navy); color:var(--on-dark); padding:112px 0; text-align:center; position:relative; overflow:hidden; }
.cta-band::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 50%,var(--navy-mid) 100%); }
.cta-band > .container { position:relative; z-index:1; }
[data-theme="dark"] .cta-band { background:#060A10; }
[data-theme="dark"] .cta-band::before { background:linear-gradient(135deg,#040710 0%,#060A10 100%); }
.cta-band h2 { color:#fff; max-width:760px; margin:0 auto 14px; }
.cta-band p { color:rgba(228,232,240,.72); max-width:580px; margin:0 auto; text-align:center; }
.cta-actions { display:flex; gap:16px; justify-content:center; margin-top:40px; flex-wrap:wrap; }
.cta-band .btn-secondary { color:rgba(228,232,240,.9); border-color:rgba(228,232,240,.3); }
.cta-band .btn-secondary:hover { border-color:#fff; background:rgba(255,255,255,.06); color:#fff; }

/* ---- Reveal animations ---- */
.reveal { opacity:0; transform:translateY(24px); transition:opacity .9s var(--ease),transform .9s var(--ease); }
.reveal.is-visible { opacity:1; transform:translateY(0); }
.reveal-stagger > * { opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease),transform .7s var(--ease); }
.reveal-stagger.is-visible > * { opacity:1; transform:translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1){transition-delay:.02s}
.reveal-stagger.is-visible > *:nth-child(2){transition-delay:.08s}
.reveal-stagger.is-visible > *:nth-child(3){transition-delay:.14s}
.reveal-stagger.is-visible > *:nth-child(4){transition-delay:.20s}
.reveal-stagger.is-visible > *:nth-child(5){transition-delay:.26s}
.reveal-stagger.is-visible > *:nth-child(6){transition-delay:.32s}

/* ---- Footer ---- */
.site-footer { background:var(--navy); color:var(--on-dark); padding:80px 0 0; }
[data-theme="dark"] .site-footer { background:#060A10; }
.footer-top { display:grid; grid-template-columns:1.4fr repeat(4,.75fr); gap:40px; padding-bottom:64px; border-bottom:1px solid rgba(228,232,240,.12); }
@media(max-width:860px){ .footer-top { grid-template-columns:repeat(2,1fr); } }
@media(max-width:540px){ .footer-top { grid-template-columns:1fr; } }
.footer-brand-block { display:flex; align-items:center; gap:11px; margin-bottom:20px; }
.footer-name { font-family:var(--font-display); font-weight:600; font-size:16px; letter-spacing:0.07em; color:#fff; text-transform:uppercase; }
.footer-statement { font-family:var(--font-display); font-size:17px; line-height:1.58; color:rgba(228,232,240,.85); max-width:360px; font-style:italic; }
.footer-col h5 { font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--gold-soft); margin-bottom:18px; }
.footer-col a,.footer-col p { display:block; font-size:13.5px; color:rgba(228,232,240,.60); margin-bottom:10px; transition:color .25s var(--ease); text-align:left; }
.footer-col a:hover { color:var(--on-dark); }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; padding:24px 0; font-size:12px; color:rgba(228,232,240,.38); flex-wrap:wrap; gap:12px; }
.footer-bottom-links { display:flex; gap:24px; }

/* ---- Utilities ---- */
.text-center { text-align:center; }
.w-full { width:100%; }
.hr { border:none; border-top:1px solid var(--border); }