/* Blue Chip Advisory Group — engineering site stylesheet */
:root {
  --navy: #0D1F35; --navy-mid: #152B47; --navy-light: #1E3A5F; --steel: #2E6DA4;
  --gold: #B8963E; --gold-light: #D4AE5C; --cream: #F8F5EE; --white: #FFFFFF;
  --text-dark: #1A1A2E; --text-mid: #4A5568; --text-light: #718096;
  --border: rgba(184,150,62,0.25); --line: #E6E0D2;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --wrap: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.7; color: var(--text-dark); background: var(--cream); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--steel); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.12; margin: 0 0 .5em; color: var(--navy); text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); font-weight: 400; }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 400; }
h3 { font-size: 1.55rem; }
h1 em, h2 em { font-style: italic; color: var(--gold); }
p { margin: 0 0 1.1em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--gold); color: var(--navy); padding: 10px 16px; z-index: 2000; font-weight: 600; }
.skip:focus { left: 12px; top: 12px; }
:focus-visible { outline: 3px solid var(--gold-light); outline-offset: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(13,31,53,.97); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); }
.brand img { height: 50px; width: auto; }
.brand-text { display: none; }
.nav { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav a { color: rgba(255,255,255,.82); text-decoration: none; font-size: .74rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; padding: 8px 0; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--gold-light); border-bottom-color: var(--gold); }
.nav .nav-cta a { border: 1px solid var(--gold); padding: 11px 20px; color: var(--gold-light); }
.nav .nav-cta a:hover { background: var(--gold); color: var(--navy); }
.has-sub { position: relative; }
.sub { display: none; position: absolute; top: 100%; left: -18px; min-width: 300px; background: var(--navy); border: 1px solid var(--border); list-style: none; margin: 0; padding: 10px 0; box-shadow: 0 18px 40px rgba(0,0,0,.35); }
.has-sub:hover .sub, .has-sub:focus-within .sub { display: block; }
.sub a { display: block; padding: 9px 20px; border: 0; letter-spacing: .08em; font-size: .72rem; }
.sub a:hover { background: var(--navy-mid); border: 0; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--white); width: 46px; height: 46px; cursor: pointer; font-size: 1.3rem; }

/* Buttons */
.btn { display: inline-block; padding: 15px 30px; font-family: var(--sans); font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; text-decoration: none; border: 1px solid var(--gold); cursor: pointer; transition: background .2s, color .2s, transform .2s; }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--gold-light); }
.btn-ghost:hover { background: rgba(184,150,62,.14); }
.btn-dark { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-dark:hover { background: var(--navy-light); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* Hero */
.hero { position: relative; background: var(--navy); color: var(--white); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background:
  radial-gradient(ellipse at 85% 10%, rgba(46,109,164,.35), transparent 55%),
  radial-gradient(ellipse at 0% 100%, rgba(184,150,62,.16), transparent 50%); }
.hero::after { content: ""; position: absolute; inset: 0; opacity: .5; background-image:
  linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: linear-gradient(to bottom, #000, transparent 90%); -webkit-mask-image: linear-gradient(to bottom, #000, transparent 90%); }
.hero .wrap { position: relative; z-index: 1; padding-top: 110px; padding-bottom: 100px; }
.hero h1 { color: var(--white); max-width: 18ch; }
.hero-lede { font-size: 1.1rem; font-weight: 300; color: rgba(255,255,255,.8); max-width: 62ch; }
.eyebrow { display: flex; align-items: center; gap: 14px; font-size: .72rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); margin-bottom: 22px; }
.eyebrow::before { content: ""; width: 44px; height: 1px; background: var(--gold); }
.pillars { display: flex; flex-wrap: wrap; gap: 12px 26px; margin: 34px 0 0; padding: 0; list-style: none; font-size: .82rem; letter-spacing: .06em; color: rgba(255,255,255,.85); }
.pillars li { display: flex; align-items: center; gap: 10px; }
.pillars li::before { content: ""; width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg); }
.page-hero .wrap { padding-top: 78px; padding-bottom: 70px; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 20ch; }
.crumbs { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-bottom: 22px; }
.crumbs a { color: rgba(255,255,255,.75); text-decoration: none; }
.crumbs a:hover { color: var(--gold-light); }

/* Stats strip */
.stats { background: var(--navy-mid); color: var(--white); border-top: 1px solid var(--border); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 20px; border-left: 1px solid rgba(255,255,255,.08); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; font-family: var(--serif); font-size: 2.5rem; font-weight: 400; color: var(--gold-light); line-height: 1; }
.stat span { display: block; margin-top: 8px; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.7); }

/* Sections */
section { padding: 96px 0; }
.section-alt { background: var(--white); }
.section-dark { background: var(--navy); color: rgba(255,255,255,.82); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head p { color: var(--text-mid); font-size: 1.04rem; }
.section-dark .section-head p { color: rgba(255,255,255,.72); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: start; }
.lead { font-size: 1.12rem; color: var(--text-mid); }

/* Cards */
.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--white); border: 1px solid var(--line); padding: 34px 30px; position: relative; transition: transform .25s, box-shadow .25s, border-color .25s; display: flex; flex-direction: column; }
.section-alt .card { background: var(--cream); }
a.card { text-decoration: none; color: inherit; }
a.card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(13,31,53,.12); border-color: var(--gold); }
.card-num { font-family: var(--serif); font-size: 1rem; color: var(--gold); letter-spacing: .1em; margin-bottom: 14px; }
.card h3 { font-size: 1.45rem; margin-bottom: 10px; }
.card p { color: var(--text-mid); font-size: .93rem; margin-bottom: 18px; }
.card .more { margin-top: auto; font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); }
a.card:hover .more { color: var(--gold); }
.icon { width: 46px; height: 46px; margin-bottom: 20px; color: var(--gold); }
.icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }

/* Lists */
.ticks { list-style: none; margin: 0; padding: 0; }
.ticks li { position: relative; padding: 11px 0 11px 30px; border-bottom: 1px solid var(--line); font-size: .96rem; color: var(--text-dark); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 20px; width: 8px; height: 8px; background: var(--gold); transform: rotate(45deg); }
.section-dark .ticks li { border-color: rgba(255,255,255,.1); color: rgba(255,255,255,.85); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.tags li { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; padding: 6px 12px; border: 1px solid var(--border); color: var(--text-mid); background: rgba(184,150,62,.06); }

/* Process */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--border); }
.step { counter-increment: step; padding: 34px 26px 10px 0; position: relative; }
.step::before { content: "0" counter(step); display: block; font-family: var(--serif); font-size: 2.2rem; color: var(--gold-light); margin-bottom: 12px; }
.step::after { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; background: var(--gold); transform: rotate(45deg); }
.step h3 { font-size: 1.3rem; }
.step p { font-size: .9rem; color: rgba(255,255,255,.7); }

/* Aside panel */
.panel { background: var(--navy); color: rgba(255,255,255,.82); padding: 38px 34px; border-top: 3px solid var(--gold); position: sticky; top: 104px; }
.panel h3 { color: var(--white); font-size: 1.5rem; }
.panel p { font-size: .92rem; }
.panel dl { margin: 0 0 24px; font-size: .9rem; }
.panel dt { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-light); margin-top: 16px; }
.panel dd { margin: 4px 0 0; }
.panel a:not(.btn) { color: var(--white); }

/* Projects */
.project { border-left: 3px solid var(--gold); background: var(--white); padding: 30px 30px 26px; }
.project .value { font-family: var(--serif); font-size: 2.3rem; color: var(--navy); line-height: 1; }
.project h3 { font-size: 1.3rem; margin: 12px 0 4px; }
.project .loc { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); margin-bottom: 12px; }
.project p { font-size: .92rem; color: var(--text-mid); margin: 0; }
.notice { display: flex; gap: 16px; background: rgba(46,109,164,.08); border: 1px solid rgba(46,109,164,.25); padding: 20px 24px; font-size: .88rem; color: var(--text-mid); margin-bottom: 40px; }
.notice b { color: var(--navy); }

/* Team */
.person { background: var(--white); border: 1px solid var(--line); padding: 36px 32px; }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--navy); color: var(--gold-light); display: grid; place-items: center; font-family: var(--serif); font-size: 1.7rem; margin-bottom: 20px; border: 1px solid var(--gold); }
.person h3 { margin-bottom: 2px; }
.role { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.quals { font-size: .8rem; color: var(--steel); margin: 12px 0 16px; padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.person p { font-size: .93rem; color: var(--text-mid); margin: 0; }

/* Values */
.value-card { padding: 28px 0; border-top: 1px solid var(--border); }
.value-card h3 { font-size: 1.35rem; margin-bottom: 6px; }
.value-card p { font-size: .92rem; color: var(--text-mid); margin: 0; }

/* Group companies */
.company { display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,.14); padding: 36px 32px; text-decoration: none; color: rgba(255,255,255,.8); transition: border-color .2s, background .2s; }
.company:hover { border-color: var(--gold); background: rgba(255,255,255,.03); }
.company .kicker { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 10px; }
.company h3 { color: var(--white); }
.company p { font-size: .93rem; }
.company .more { margin-top: auto; color: var(--gold-light); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; }

/* CTA band */
.cta { background: linear-gradient(120deg, var(--navy-light), var(--navy)); color: var(--white); padding: 80px 0; text-align: center; border-top: 1px solid var(--border); }
.cta h2 { color: var(--white); }
.cta p { color: rgba(255,255,255,.75); max-width: 60ch; margin: 0 auto; }
.cta .btn-row { justify-content: center; }

/* Forms */
.form { background: var(--white); border: 1px solid var(--line); padding: 40px 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--text-mid); margin-bottom: 8px; }
.field input, .field select, .field textarea { width: 100%; padding: 14px 16px; font: inherit; font-size: .95rem; color: var(--text-dark); background: var(--cream); border: 1px solid var(--line); border-radius: 0; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184,150,62,.2); }
.field textarea { min-height: 150px; resize: vertical; }
.field .hint { font-size: .78rem; color: var(--text-light); margin-top: 6px; }
.hp { position: absolute; left: -9999px; }
.banner { display: none; padding: 18px 24px; font-size: .95rem; border-left: 4px solid; margin-bottom: 24px; }
.banner.show { display: block; margin-top: 24px; }
.banner-slot .banner { margin-bottom: 24px; }
.banner-ok { background: #EDF7F0; border-color: #2E8B57; color: #1E5A3A; }
.banner-err { background: #FDEEEE; border-color: #B33A3A; color: #7A1F1F; }
.contact-list { list-style: none; padding: 0; margin: 0 0 34px; }
.contact-list li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-list span { display: block; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-bottom: 4px; }
.contact-list a { color: var(--navy); text-decoration: none; font-weight: 500; }
.contact-list a:hover { color: var(--steel); }
.office h3 { font-size: 1.35rem; margin-bottom: 2px; }
.office .kicker { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.office address { font-style: normal; color: var(--text-mid); font-size: .93rem; margin-top: 12px; }

/* Prose (legal) */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.8rem; margin-top: 1.6em; }
.prose p, .prose li { color: var(--text-mid); }

/* Footer */
.site-footer { background: #091627; color: rgba(255,255,255,.66); padding: 72px 0 0; font-size: .88rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 54px; }
.site-footer img { height: 74px; width: auto; margin-bottom: 20px; }
.site-footer h4 { font-family: var(--sans); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 18px; font-weight: 600; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,.72); text-decoration: none; }
.site-footer a:hover { color: var(--gold-light); }
.footer-base { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; font-size: .78rem; color: rgba(255,255,255,.5); }
.footer-base a { margin-left: 18px; }

/* Reveal (progressive enhancement: content is visible without JS) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .js .reveal { opacity: 1; transform: none; transition: none; } .btn, .card { transition: none; } }

/* Responsive */
@media (max-width: 1080px) {
  .g4 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 44px; } .panel { position: static; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy); border-bottom: 1px solid var(--border); padding: 12px 24px 24px; max-height: calc(100vh - 78px); overflow-y: auto; }
  .nav.open { display: flex; }
  .nav a { display: block; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
  .nav .nav-cta a { text-align: center; margin-top: 16px; }
  .sub { display: block; position: static; border: 0; box-shadow: none; padding: 0 0 0 16px; min-width: 0; }
  .sub a { padding: 10px 0; }
}
@media (max-width: 680px) {
  section { padding: 68px 0; }
  .hero .wrap { padding-top: 74px; padding-bottom: 70px; }
  .g2, .g3, .g4, .steps, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .stats .wrap { grid-template-columns: 1fr 1fr; }
  .stat { border-left: 0; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.08); }
  .form { padding: 28px 22px; }
  .footer-base a { margin: 0 18px 0 0; }
}
@media print { .site-header, .cta, .site-footer, .nav-toggle { display: none; } body { background: #fff; } }