/* ============================================================
   2ISPC — Strategic & Financial Advisory
   Design system: ink navy + copper · Fraunces / Inter / IBM Plex Mono
   ============================================================ */
:root{
  --ink:#0B1622;
  --ink-2:#10202E;
  --ink-3:#16293A;
  --copper:#C57B44;
  --copper-hi:#E0A46B;
  --paper:#ECE6DB;
  --slate:#8D9AA7;
  --line:rgba(236,230,219,0.10);
  --line-copper:rgba(197,123,68,0.32);
  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
  --serif:"Fraunces",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--copper);color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--copper);display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--copper)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.01em}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(11,22,34,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:120px}
.logo img{height:96px;width:auto}
.logo .fallback{font-family:var(--serif);font-size:22px;letter-spacing:.04em}
.mainnav ul{display:flex;gap:34px;list-style:none;align-items:center}
.mainnav a{font-size:14.5px;color:var(--slate);transition:color .2s}
.mainnav a:hover,.mainnav a.active{color:var(--paper)}
.mainnav a.active{position:relative}
.mainnav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--copper)}
.nav-cta{font-family:var(--sans);font-size:14px;font-weight:500;color:var(--paper)!important;border:1px solid var(--line-copper);padding:10px 20px;border-radius:2px;transition:all .2s}
.nav-cta:hover{background:var(--copper);border-color:var(--copper);color:var(--ink)!important}
.nav-cta.active::after{display:none}
.menu-btn{display:none;background:none;border:0;color:var(--paper);font-family:var(--mono);font-size:13px;letter-spacing:.15em;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{font-family:var(--sans);font-size:15px;font-weight:500;padding:15px 30px;border-radius:2px;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:10px;border:1px solid transparent}
.btn-primary{background:var(--copper);color:var(--ink)}
.btn-primary:hover{background:var(--copper-hi)}
.btn-ghost{border-color:var(--line-copper);color:var(--paper)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-hi)}

/* ---------- Home hero ---------- */
.hero{position:relative;padding-top:clamp(70px,11vw,130px);padding-bottom:clamp(60px,9vw,110px)}
.hero .frame{position:relative;padding:clamp(28px,5vw,64px) 0}
.hero .tick{position:absolute;width:16px;height:16px;border:1px solid var(--line-copper)}
.hero .tick.tl{top:0;left:calc(-1 * var(--gutter) + 8px);border-right:0;border-bottom:0}
.hero .tick.tr{top:0;right:calc(-1 * var(--gutter) + 8px);border-left:0;border-bottom:0}
.hero .tick.bl{bottom:0;left:calc(-1 * var(--gutter) + 8px);border-right:0;border-top:0}
.hero .tick.br{bottom:0;right:calc(-1 * var(--gutter) + 8px);border-left:0;border-top:0}
.hero h1{font-size:clamp(38px,6.6vw,80px);max-width:16ch;margin:26px 0 0}
.hero h1 em{font-style:italic;color:var(--copper-hi)}
.hero .sub{margin-top:30px;max-width:56ch;font-size:clamp(17px,2vw,20px);color:var(--slate);line-height:1.6}
.hero .actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(40px,6vw,72px);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(34px,5.2vw,64px);max-width:18ch;margin-top:22px}
.page-hero .sub{margin-top:26px;max-width:60ch;font-size:clamp(17px,1.9vw,20px);color:var(--slate)}

/* ---------- Credibility strip ---------- */
.strip{border-block:1px solid var(--line);background:var(--ink-2)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;padding-block:26px}
.strip .item{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;color:var(--slate);text-transform:uppercase}
.strip .item b{color:var(--paper);font-weight:500}
.strip .dot{width:4px;height:4px;background:var(--copper);border-radius:50%}

/* ---------- Section scaffolding ---------- */
section{padding-block:clamp(72px,10vw,128px)}
.sec-head{max-width:66ch;margin-bottom:clamp(44px,6vw,72px)}
.sec-head h2{font-size:clamp(30px,4.4vw,52px);margin-top:20px}
.sec-head p{margin-top:22px;color:var(--slate);font-size:18px;max-width:60ch}
.tint{background:var(--ink-2);border-block:1px solid var(--line)}

/* ---------- Services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc{background:var(--ink-2);padding:38px 34px;position:relative;transition:background .25s}
.tint .svc{background:var(--ink-2)}
.svc:hover{background:var(--ink-3)}
.svc .num{font-family:var(--mono);font-size:12px;color:var(--copper);letter-spacing:.1em}
.svc h3{font-size:23px;margin:18px 0 12px}
.svc p{font-size:15px;color:var(--slate);line-height:1.6}

/* ---------- Approach steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px)}
.step{border-top:1px solid var(--line-copper);padding-top:26px}
.step .num{font-family:var(--mono);font-size:13px;color:var(--copper);letter-spacing:.18em}
.step h3{font-size:26px;margin:16px 0 12px}
.step p{color:var(--slate);font-size:15.5px}

/* ---------- Principles ---------- */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.principle{background:var(--ink);padding:34px 32px}
.tint .principle{background:var(--ink-2)}
.principle h3{font-size:21px;margin-bottom:12px}
.principle p{color:var(--slate);font-size:15.5px}
.principle .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);display:block;margin-bottom:16px}

/* ---------- Metrics (ledger) ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.metric{background:var(--ink);padding:34px 28px}
.tint .metric{background:var(--ink-2)}
.metric .fig{font-family:var(--mono);font-size:clamp(30px,4vw,44px);color:var(--paper);line-height:1;letter-spacing:-.02em}
.metric .lbl{margin-top:14px;font-size:14px;color:var(--slate);line-height:1.5}

/* ---------- Case study detail ---------- */
.cs-meta{display:flex;flex-wrap:wrap;gap:12px 40px;padding-block:24px;border-bottom:1px solid var(--line);margin-bottom:clamp(40px,6vw,64px)}
.cs-meta .m{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.cs-meta .m b{color:var(--paper);font-weight:500}
.cs-body{display:grid;grid-template-columns:1fr;gap:clamp(40px,6vw,72px)}
.cs-block{max-width:70ch}
.cs-block h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:20px}
.cs-block p{color:var(--paper);font-size:17px;margin-bottom:16px}
.cs-block .lead{color:var(--slate);font-size:18px}
.obj-list{list-style:none;display:grid;gap:14px;margin-top:8px}
.obj-list li{padding-left:30px;position:relative;color:var(--paper);font-size:16.5px}
.obj-list li::before{content:"";position:absolute;left:0;top:11px;width:14px;height:1px;background:var(--copper)}
.obj-list li b{color:var(--copper-hi);font-weight:500}
.workstreams{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.ws{background:var(--ink-2);padding:32px 30px}
.ws .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);display:block;margin-bottom:18px}
.ws ul{list-style:none;display:grid;gap:11px}
.ws li{position:relative;padding-left:20px;color:var(--slate);font-size:14.5px;line-height:1.55}
.ws li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border:1px solid var(--copper);border-radius:50%}
.pullquote{border-left:2px solid var(--copper);padding:6px 0 6px 30px;margin:8px 0}
.pullquote p{font-family:var(--serif);font-size:clamp(22px,2.8vw,32px);line-height:1.35;color:var(--paper)}

/* ---------- Featured case (home) ---------- */
.feature{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center;border:1px solid var(--line);background:var(--ink-2);padding:clamp(32px,5vw,56px)}
.feature .fig-lg{font-family:var(--mono);font-size:clamp(48px,8vw,84px);color:var(--copper-hi);line-height:.95;letter-spacing:-.03em}
.feature .fig-lg small{display:block;font-family:var(--sans);font-size:15px;color:var(--slate);letter-spacing:0;margin-top:14px}
.feature h3{font-size:clamp(24px,3vw,32px);margin:8px 0 16px}
.feature p{color:var(--slate);font-size:16px;margin-bottom:24px}
.feature .mini{display:flex;flex-wrap:wrap;gap:10px 26px;margin-bottom:26px}
.feature .mini span{font-family:var(--mono);font-size:12.5px;color:var(--slate);letter-spacing:.04em}
.feature .mini b{color:var(--paper);font-weight:500}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:0.85fr 1.15fr;gap:clamp(40px,6vw,80px);align-items:start}
.portrait{position:relative}
.portrait img{width:100%;border:1px solid var(--line);filter:grayscale(.15) contrast(1.02)}
.portrait figcaption{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-top:16px}
.portrait figcaption b{color:var(--copper);font-weight:500}
.bio p{color:var(--paper);margin-bottom:20px;font-size:17px}
.bio p.lead{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:var(--paper);margin-bottom:30px}
.creds{border:1px solid var(--line);background:var(--ink-2);padding:34px 32px;margin-top:36px}
.creds .eyebrow{margin-bottom:22px}
.creds dl{display:grid;gap:0}
.creds .row{display:grid;gap:5px;padding-block:16px;border-bottom:1px solid var(--line)}
.creds .row:first-of-type{padding-top:0}
.creds .row:last-child{border-bottom:0;padding-bottom:0}
.creds dt{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper)}
.creds dd{font-size:15.5px;color:var(--paper)}
.creds dd small{color:var(--slate);display:block;font-size:13.5px;margin-top:3px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px);align-items:start}
.contact-grid h2{font-size:clamp(32px,4.6vw,54px)}
.contact-grid .lead{color:var(--slate);font-size:18px;margin:22px 0 34px;max-width:46ch}
.contact-list{display:grid;gap:2px}
.contact-list a,.contact-list .ci{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);transition:color .2s}
.contact-list a:hover{color:var(--copper-hi)}
.contact-list .k{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper)}
.contact-list .v{font-size:16px;text-align:right}
form{display:grid;gap:18px;background:var(--ink);border:1px solid var(--line);padding:clamp(28px,4vw,40px)}
.tint form{background:var(--ink-2)}
form .field{display:grid;gap:8px}
form label{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
form input,form textarea{background:var(--ink-2);border:1px solid var(--line);color:var(--paper);font-family:var(--sans);font-size:15px;padding:13px 15px;border-radius:2px;transition:border-color .2s}
.tint form input,.tint form textarea{background:var(--ink)}
form input:focus,form textarea:focus{outline:none;border-color:var(--copper)}
form textarea{resize:vertical;min-height:110px}
form .btn-primary{border:0;justify-content:center;margin-top:6px}
.form-note{font-family:var(--mono);font-size:11px;color:var(--slate);letter-spacing:.04em}
.form-status{font-family:var(--sans);font-size:14px;line-height:1.5}
.form-status:empty{display:none}
.form-status.ok{color:var(--copper-hi)}
.form-status.err{color:#E08A6B}

/* ---------- CTA band ---------- */
.cta-band{border-block:1px solid var(--line-copper);background:var(--ink-2)}
.cta-band .wrap{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;padding-block:clamp(48px,7vw,80px)}
.cta-band h2{font-size:clamp(28px,4vw,46px);max-width:20ch}
.cta-band p{color:var(--slate);margin-top:14px;max-width:44ch}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding-block:48px}
.foot{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:center}
.foot .logo img{height:84px;opacity:.9}
.foot .meta{font-family:var(--mono);font-size:12px;color:var(--slate);letter-spacing:.05em;line-height:1.8;text-align:right}
.foot a.li{color:var(--slate);transition:color .2s}
.foot a.li:hover{color:var(--copper-hi)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Focus ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--copper-hi);outline-offset:3px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav{height:96px}
  .logo img{height:72px}
  .svc-grid,.steps,.metrics,.principles,.workstreams,.about,.contact-grid,.feature{grid-template-columns:1fr}
  .mainnav ul{display:none}
  .menu-btn{display:block}
  .mainnav ul.open{display:flex;position:absolute;top:96px;left:0;right:0;flex-direction:column;gap:0;background:var(--ink-2);border-bottom:1px solid var(--line);padding:8px var(--gutter) 20px}
  .mainnav ul.open li{width:100%}
  .mainnav ul.open a{display:block;padding:15px 0;border-bottom:1px solid var(--line);color:var(--paper)}
  .mainnav ul.open a.active::after{display:none}
  .mainnav ul.open .nav-cta{margin-top:14px;text-align:center}
  .metrics .metric{padding:26px 22px}
}
@media (min-width:901px){.menu-btn{display:none}}