/* ============================================================
   DETRA ADVISORY - Main Stylesheet
   Navy #1F3A4A | Gold #C89B3C | Slate #2E3E46 | Off-white #F8F8F6
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;600&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Source Sans 3',system-ui,sans-serif;font-size:17px;font-weight:400;line-height:1.75;color:#2E3E46;background:#F8F8F6}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

:root{
  --navy:#1F3A4A;--gold:#C89B3C;--slate:#2E3E46;
  --offwhite:#F8F8F6;--lightbg:#EFF2F4;--grey:#8A9BA8;--white:#FFFFFF;
  --max-w:1120px;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Source Sans 3',system-ui,sans-serif;
}

/* Layout */
.container{max-width:var(--max-w);margin:0 auto;padding:0 40px}
.section{padding:80px 0}
.section--alt{background:var(--offwhite)}
.section--navy{background:var(--navy)}
.section--white{background:var(--white)}
.section--gold{background:var(--gold)}

/* Typography */
.label{display:block;font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.label--light{color:rgba(200,155,60,.8)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.22}
h1{font-size:clamp(28px,4vw,44px);color:var(--offwhite)}
h2{font-size:clamp(24px,3vw,34px);color:var(--navy)}
h2.light{color:var(--offwhite)}
h3{font-size:clamp(18px,2vw,22px);color:var(--navy)}
p{margin-bottom:18px}
p:last-child{margin-bottom:0}
.body--light{color:rgba(248,248,246,.72)}
.body--muted{color:var(--grey)}

/* Buttons */
.btn{display:inline-block;padding:13px 28px;font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.04em;border-radius:3px;cursor:pointer;transition:opacity .2s,background .2s;border:none;line-height:1}
.btn--gold{background:var(--gold);color:var(--navy)}
.btn--gold:hover{opacity:.9}
.btn--navy{background:var(--navy);color:var(--offwhite)}
.btn--navy:hover{opacity:.88}
.btn--outline{background:transparent;color:var(--offwhite);border:1px solid rgba(248,248,246,.35)}
.btn--outline:hover{border-color:rgba(248,248,246,.7)}
.btn-group{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:32px}

/* Header */
.site-header{position:sticky;top:0;z-index:200;background:var(--navy);box-shadow:0 1px 0 rgba(0,0,0,.15)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo-bars{display:flex;align-items:flex-end;gap:3px}
.bar{border-radius:2px}
.bar1{width:5px;height:10px;background:var(--grey)}
.bar2{width:5px;height:15px;background:#4A6070}
.bar3{width:5px;height:22px;background:var(--gold)}
.nav-logo-text{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--offwhite);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:13px;letter-spacing:.04em;color:rgba(248,248,246,.78);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--gold)}
.nav-cta{background:var(--gold);color:var(--navy) !important;padding:9px 18px;border-radius:3px;font-weight:600;font-size:12px}
.nav-cta:hover{opacity:.9}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--offwhite);border-radius:2px;transition:all .3s}
.mobile-menu{display:none;background:var(--navy);border-top:1px solid rgba(255,255,255,.08);padding:20px 40px 28px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:10px 0;font-size:15px;color:rgba(248,248,246,.78);border-bottom:1px solid rgba(255,255,255,.06);letter-spacing:.03em}
.mobile-menu a:hover{color:var(--gold)}
.mobile-menu .btn--gold{margin-top:16px;display:inline-block}

/* Hero */
.hero{position:relative;background:var(--navy);padding:100px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.18}
.hero-ring{position:absolute;border:1px solid rgba(200,155,60,.1);border-radius:50%}
.hero-ring--1{width:520px;height:520px;right:-140px;top:-140px}
.hero-ring--2{width:340px;height:340px;right:-60px;top:-60px;border-color:rgba(200,155,60,.06)}
.hero .container{position:relative;z-index:1}
.hero h1{margin-bottom:24px;max-width:600px}
.hero p{max-width:520px;color:rgba(248,248,246,.72);font-size:17px;margin-bottom:0}
.hero--short{padding:72px 0 60px}
.hero--short h1{font-size:clamp(24px,3vw,36px)}

/* Gold rule */
.gold-rule{display:block;width:48px;height:3px;background:var(--gold);margin-bottom:28px}

/* Section head */
.section-head{max-width:640px;margin-bottom:52px}
.section-head h2{margin-bottom:18px}
.section-head p{color:var(--slate);font-size:16px}
.section-head--center{text-align:center;margin-left:auto;margin-right:auto}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid rgba(255,255,255,.08)}
.process-step{padding:32px 22px;border-right:1px solid rgba(255,255,255,.08)}
.process-step:last-child{border-right:none}
.process-num{font-family:var(--serif);font-size:36px;color:var(--gold);opacity:.45;line-height:1;margin-bottom:12px}
.process-name{font-size:11px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--offwhite);margin-bottom:10px}
.process-desc{font-size:13px;color:rgba(248,248,246,.5);line-height:1.55}

/* Readiness dimensions */
.dim-list{display:flex;flex-direction:column;gap:2px}
.dim-item{border-left:3px solid var(--gold)}
.dim-item:nth-child(odd){background:var(--offwhite)}
.dim-item:nth-child(even){background:var(--white)}
.dim-inner{padding:28px 36px}
.dim-num{font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--gold);text-transform:uppercase;margin-bottom:6px}
.dim-title{font-family:var(--serif);font-size:20px;color:var(--navy);margin-bottom:10px}
.dim-body{font-size:15px;color:var(--slate);line-height:1.65;margin-bottom:12px}
.dim-bullets{list-style:none;display:flex;flex-direction:column;gap:6px}
.dim-bullets li{font-size:14px;color:var(--slate);padding-left:18px;position:relative;line-height:1.55}
.dim-bullets li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--gold)}

/* Approach phases */
.phase-list{display:flex;flex-direction:column;gap:2px}
.phase-item{border-left:3px solid var(--gold);padding:28px 36px}
.phase-item:nth-child(odd){background:var(--offwhite)}
.phase-item:nth-child(even){background:var(--white)}
.phase-label{font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--gold);text-transform:uppercase;margin-bottom:6px}
.phase-title{font-family:var(--serif);font-size:20px;color:var(--navy);margin-bottom:12px}
.phase-body{font-size:15px;color:var(--slate);line-height:1.65;max-width:700px}

/* Insights grid */
.insights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.insight-card{background:var(--white);border-top:3px solid var(--gold);display:flex;flex-direction:column}
.insight-card-img{width:100%;height:185px;object-fit:cover}
.insight-card-img-ph{width:100%;height:185px;background:linear-gradient(145deg,#1F3A4A,#2E3E46);display:flex;align-items:center;justify-content:center}
.insight-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.insight-cat{font-size:10px;font-weight:600;letter-spacing:.15em;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.insight-title{font-family:var(--serif);font-size:16px;color:var(--navy);line-height:1.4;margin-bottom:16px;flex:1}
.insight-meta{font-size:12px;color:var(--grey);margin-bottom:14px}
.insight-link{font-size:12px;font-weight:600;color:var(--navy);letter-spacing:.04em;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.insight-link:hover{color:var(--gold)}
.insight-link::after{content:'\2192'}

/* Beliefs */
.belief-list{list-style:none;display:flex;flex-direction:column;max-width:680px}
.belief-item{display:flex;align-items:flex-start;gap:18px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.belief-item:last-child{border-bottom:none}
.belief-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0;margin-top:10px}
.belief-text{font-size:16px;color:rgba(248,248,246,.75);line-height:1.65}

/* Positioning table */
.pos-table{width:100%;border-collapse:collapse}
.pos-table th{background:var(--navy);color:var(--white);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:14px 18px;text-align:left}
.pos-table td{padding:16px 18px;font-size:14px;color:var(--slate);vertical-align:top;border-bottom:1px solid rgba(31,58,74,.08)}
.pos-table tr:nth-child(even) td{background:var(--offwhite)}
.pos-table td:first-child{font-weight:600;color:var(--navy);white-space:nowrap}
.pos-table td.detra-cell{border-left:3px solid var(--gold);background:#F8F6F0}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:2px}
.faq-item{background:var(--white);border-left:3px solid transparent;transition:border-color .2s}
.faq-item.open{border-left-color:var(--gold)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:22px 28px;cursor:pointer;font-family:var(--serif);font-size:17px;color:var(--navy);gap:20px;user-select:none}
.faq-icon{flex-shrink:0;font-size:22px;color:var(--gold);font-family:var(--sans);font-weight:300;line-height:1;transition:transform .25s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 28px 22px;font-size:15px;color:var(--slate);line-height:1.7;max-width:760px}
.faq-item.open .faq-answer{display:block}

/* Contact */
.contact-grid{display:grid;grid-template-columns:3fr 2fr;gap:32px;align-items:start}
.contact-form-wrap{background:var(--white);padding:40px;border-top:3px solid var(--gold)}
.contact-info{background:var(--navy);padding:40px;border-top:3px solid var(--gold)}
.form-group{margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-label{display:block;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--navy);margin-bottom:8px}
.form-input,.form-select,.form-textarea{width:100%;padding:11px 14px;background:var(--offwhite);border:1px solid rgba(31,58,74,.18);border-radius:3px;font-family:var(--sans);font-size:15px;color:var(--slate);outline:none;transition:border-color .2s;-webkit-appearance:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--navy);background:var(--white)}
.form-textarea{min-height:110px;resize:vertical}
.form-note{font-size:12px;color:var(--grey);margin-top:6px}
.form-submit{width:100%;padding:14px;font-size:14px;margin-top:4px}
.contact-detail{margin-bottom:28px}
.contact-detail-label{font-size:10px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.contact-detail-value{font-size:15px;color:rgba(248,248,246,.72);line-height:1.6}
.contact-divider{border:none;border-top:1px solid rgba(255,255,255,.08);margin:28px 0}
.contact-note{font-size:13px;color:rgba(138,155,168,.65);line-height:1.6}
.form-success{display:none;background:#EAF3DE;border-left:3px solid #3B6D11;padding:20px 24px;margin-bottom:24px;font-size:15px;color:#27500A;line-height:1.6}

/* CTA band */
.cta-band{padding:80px 0;text-align:center}
.cta-band h2{color:var(--navy);margin-bottom:16px}
.cta-band p{color:rgba(31,58,74,.72);max-width:500px;margin:0 auto 32px;font-size:16px}

/* Boards */
.boards-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-top:40px}
.board-card{background:#243D4D;padding:36px}
.board-card--alt{background:#1A2F3C}
.board-name{font-family:var(--serif);font-size:20px;color:var(--offwhite);margin-bottom:6px}
.board-sub{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;font-weight:600;display:block}
.board-body{font-size:14px;color:rgba(248,248,246,.62);line-height:1.65}

/* Prose */
.prose{max-width:720px}
.prose p{margin-bottom:20px;font-size:16px;color:var(--slate)}
.prose h3{font-family:var(--serif);font-size:20px;color:var(--navy);margin:36px 0 12px}

/* Footer */
.site-footer{background:var(--navy);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand-name{font-family:var(--serif);font-size:20px;color:var(--offwhite);margin-bottom:6px}
.footer-tagline{font-size:10px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.footer-body{font-size:13px;color:var(--grey);line-height:1.65}
.footer-col-title{font-size:10px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:rgba(248,248,246,.35);margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:13px;color:var(--grey);transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.footer-contact-item{font-size:13px;color:var(--grey);margin-bottom:10px}
.footer-rule{border:none;border-top:1px solid rgba(255,255,255,.07);margin-bottom:20px}
.footer-copy{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;color:rgba(138,155,168,.5)}
.footer-copy a{color:rgba(138,155,168,.5)}
.footer-copy a:hover{color:var(--gold)}

/* Responsive */
@media(max-width:900px){
  .container{padding:0 24px}
  .process-grid{grid-template-columns:1fr 1fr}
  .process-step{border-right:none;border-bottom:1px solid rgba(255,255,255,.08)}
  .insights-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .boards-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:640px){
  .section{padding:56px 0}
  .hero{padding:72px 0 60px}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .insights-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-copy{flex-direction:column;text-align:center}
  .contact-form-wrap,.contact-info{padding:28px 24px}
}