/* ============================================================
   NORTHSTAR BUSINESS SOLUTIONS — Design System v2
   Premium advisory aesthetic: light canvas, generous whitespace,
   restrained motion, content led by short structured pointers.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --white:#FFFFFF;
  --paper:#F6F4EF;
  --ink:#13121B;
  --ink-soft:#59565F;
  --ink-faint:#98959D;
  --navy:#0C0B13;
  --navy-soft:#1B1A24;
  --gold:#A97A3D;
  --gold-deep:#8C6530;
  --gold-line:rgba(169,122,61,0.4);
  --border:#E4E1D8;
  --border-dark:rgba(244,241,233,0.14);

  --f-display:'Fraunces', Georgia, serif;
  --f-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container:1240px;
  --gutter:clamp(24px,5vw,72px);
  --ease:cubic-bezier(0.22,1,0.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
}

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:500;
  line-height:1.18;
  margin:0;
  letter-spacing:-0.01em;
  color:var(--ink);
}
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; background:none; border:none; }

.container{ max-width:var(--container); margin:0 auto; padding:0 var(--gutter); }

/* ---------- brand mark (inline SVG, recolours via currentColor) ---------- */
.mark{ display:inline-block; flex-shrink:0; }
.mark svg{ display:block; width:100%; height:100%; fill:currentColor; }

/* ---------- nav ---------- */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:26px var(--gutter);
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, padding .3s ease;
}
.nav.is-scrolled{ border-bottom-color:var(--border); padding:17px var(--gutter); }
.nav-brand{ display:flex; align-items:center; gap:11px; color:var(--ink); }
.nav-brand .mark{ width:20px; height:20px; color:var(--gold); }
.nav-brand-text{ display:flex; flex-direction:column; line-height:1; }
.nav-brand-text .name{ font-family:var(--f-display); font-weight:500; font-size:17px; letter-spacing:0.02em; }
.nav-brand-text .sub{ font-size:8.5px; letter-spacing:0.18em; color:var(--ink-faint); margin-top:3px; text-transform:uppercase; }
.nav-links{ display:flex; align-items:center; gap:40px; }
.nav-links a{ font-size:14px; font-weight:500; color:var(--ink-soft); transition:color .2s ease; position:relative; }
.nav-links a:hover, .nav-links a.active{ color:var(--ink); }
.nav-links a.active::after{ content:''; position:absolute; left:0; right:0; bottom:-6px; height:1px; background:var(--gold); }
.nav-cta{ display:flex; align-items:center; gap:24px; }
.nav-toggle{ display:none; width:24px; height:18px; position:relative; color:var(--ink); }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after{
  content:''; position:absolute; left:0; right:0; height:1.5px; background:currentColor; transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle::before{ top:0; } .nav-toggle span{ top:8px; } .nav-toggle::after{ top:16px; }
.nav-toggle.is-open::before{ transform:translateY(8px) rotate(45deg); }
.nav-toggle.is-open::after{ transform:translateY(-8px) rotate(-45deg); }
.nav-toggle.is-open span{ opacity:0; }

@media (max-width:900px){
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(300px,80vw);
    background:var(--white); border-left:1px solid var(--border);
    flex-direction:column; align-items:flex-start; justify-content:center; gap:26px;
    padding:40px var(--gutter); transform:translateX(100%); transition:transform .35s var(--ease); z-index:49;
  }
  .nav-links.is-open{ transform:translateX(0); }
  .nav-links a{ font-size:18px; }
  .nav-toggle{ display:block; }
  .nav-cta .btn{ display:none; }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 28px; font-size:14px; font-weight:600; border-radius:1px;
  border:1px solid transparent; transition:background .2s ease, border-color .2s ease, color .2s ease, opacity .2s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--ink); color:var(--white); }
.btn-primary:hover{ background:var(--navy-soft); }
.btn-ghost{ border-color:var(--ink); color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--white); }
.btn-on-dark{ border-color:rgba(244,241,233,0.4); color:var(--white); }
.btn-on-dark:hover{ background:var(--white); color:var(--navy); border-color:var(--white); }
.btn-sm{ padding:11px 20px; font-size:13px; }
.btn-text{ font-size:14px; font-weight:600; color:var(--ink); border-bottom:1px solid var(--gold-line); padding-bottom:2px; transition:border-color .2s ease, color .2s ease; }
.btn-text:hover{ border-color:var(--ink); }

/* ---------- type helpers ---------- */
.eyebrow{ font-size:11.5px; font-weight:600; letter-spacing:0.16em; color:var(--gold); text-transform:uppercase; display:inline-block; }
.eyebrow.on-dark{ color:#D8B57A; }
.h-xl{ font-size:clamp(38px,5.4vw,66px); }
.h-lg{ font-size:clamp(30px,3.8vw,44px); }
.h-md{ font-size:clamp(22px,2.6vw,28px); }
.lede{ font-size:clamp(17px,1.4vw,19px); line-height:1.6; color:var(--ink-soft); max-width:600px; }
.body-copy{ color:var(--ink-soft); font-size:16px; line-height:1.75; max-width:640px; }

/* ---------- sections ---------- */
section{ padding:clamp(72px,10vw,140px) 0; }
.section-tight{ padding:clamp(56px,7vw,96px) 0; }
.section-paper{ background:var(--paper); }
.section-navy{ background:var(--navy); color:var(--white); }
.section-navy .ink-soft-on-dark{ color:rgba(244,241,233,0.62); }

hr.rule{ border:none; border-top:1px solid var(--border); }
.rule-dark{ border-top:1px solid var(--border-dark); }

/* ---------- pointer lists (the core content idiom) ---------- */
.pointers{ display:flex; flex-direction:column; gap:14px; }
.pointers li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  line-height:1.55;
  color:var(--ink-soft);
}
.pointers li::before{
  content:''; position:absolute; left:0; top:9px; width:7px; height:1px; background:var(--gold);
}
.pointers.on-dark li{ color:rgba(244,241,233,0.72); }
.pointers.on-dark li::before{ background:#D8B57A; }

/* ---------- hero ---------- */
.hero{ padding:clamp(150px,16vw,210px) 0 clamp(64px,8vw,100px); }
.hero-inner{ max-width:800px; }
.hero .eyebrow{ margin-bottom:22px; }
.hero h1{ margin-bottom:26px; }
.hero .lede{ max-width:640px; margin-bottom:38px; }
.hero-actions{ display:flex; align-items:center; gap:28px; flex-wrap:wrap; }

/* thin capability strip under hero */
.capability-strip{ border-top:1px solid var(--border); }
.capability-row{ display:grid; grid-template-columns:repeat(4,1fr); }
.capability-row > div{ padding:26px var(--gutter); border-right:1px solid var(--border); font-size:14px; font-weight:500; color:var(--ink-soft); }
.capability-row > div:last-child{ border-right:none; }
@media (max-width:900px){
  .capability-row{ grid-template-columns:repeat(2,1fr); }
  .capability-row > div:nth-child(2){ border-right:none; }
}
@media (max-width:560px){
  .capability-row{ grid-template-columns:1fr; }
  .capability-row > div{ border-right:none; border-bottom:1px solid var(--border); }
  .capability-row > div:last-child{ border-bottom:none; }
}

/* ---------- page header (non-home) ---------- */
.page-header{ padding:clamp(150px,15vw,190px) 0 clamp(48px,6vw,72px); }
.page-header .eyebrow{ margin-bottom:20px; }
.page-header h1{ max-width:760px; }
.page-header .lede{ margin-top:20px; }

/* ---------- numbered rows (method / process) ---------- */
.step-list{ border-top:1px solid var(--border); }
.step-row{
  display:grid;
  grid-template-columns:90px 1fr 1.3fr;
  gap:40px;
  padding:38px 0;
  border-bottom:1px solid var(--border);
  align-items:start;
}
.step-row .num{ font-family:var(--f-display); font-size:20px; color:var(--gold); }
.step-row h3{ font-size:20px; margin-bottom:2px; }
@media (max-width:820px){
  .step-row{ grid-template-columns:1fr; gap:12px; }
  .step-row .num{ font-size:16px; }
}

/* ---------- two-col ---------- */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:start; }
@media (max-width:900px){ .two-col{ grid-template-columns:1fr; gap:44px; } }
.split-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap; margin-bottom:52px; }

/* ---------- service groups ---------- */
.service-group{ margin-bottom:96px; }
.service-group:last-child{ margin-bottom:0; }
.service-group-head{ display:flex; align-items:baseline; gap:20px; margin-bottom:8px; }
.service-group-head .num{ font-family:var(--f-display); font-size:22px; color:var(--gold); }
.service-group-head h2{ font-size:clamp(21px,2.4vw,27px); }
.service-group-intro{ color:var(--ink-soft); font-size:15px; max-width:560px; margin:14px 0 40px 0; }

.service-rows{ border-top:1px solid var(--border); }
.service-row{ display:grid; grid-template-columns:1fr 1.5fr; gap:48px; padding:36px 0; border-bottom:1px solid var(--border); }
.service-row h3{ font-size:19px; margin-bottom:10px; }
.service-row p{ color:var(--ink-soft); font-size:14.5px; line-height:1.6; margin-bottom:16px; max-width:420px; }
@media (max-width:820px){ .service-row{ grid-template-columns:1fr; gap:16px; } }

/* ---------- industries ---------- */
.industry-strip{ border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.industry-row{ display:flex; flex-wrap:wrap; }
.industry-chip{
  flex:1 1 190px; padding:24px var(--gutter, 24px); border-right:1px solid var(--border); border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between; gap:10px;
}
.industry-chip span{ font-size:14.5px; font-weight:500; }
.industry-chip .tag{ font-size:10px; letter-spacing:0.08em; color:var(--gold); text-transform:uppercase; font-weight:600; }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--navy); color:var(--white); padding:clamp(64px,8vw,100px) 0; }
.cta-band .grid-2{ display:grid; grid-template-columns:1fr auto; gap:40px; align-items:center; }
.cta-band h2{ color:var(--white); max-width:520px; }
@media (max-width:700px){ .cta-band .grid-2{ grid-template-columns:1fr; } }

/* ---------- footer ---------- */
footer{ background:var(--navy); color:rgba(244,241,233,0.7); padding:80px 0 32px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:48px; margin-bottom:64px; }
@media (max-width:800px){ .footer-grid{ grid-template-columns:1fr 1fr; row-gap:40px; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-brand{ display:flex; align-items:center; gap:11px; margin-bottom:18px; color:var(--white); }
.footer-brand .mark{ width:20px; height:20px; color:var(--gold); }
.footer-brand span{ font-family:var(--f-display); font-size:17px; }
.footer-tag{ color:rgba(244,241,233,0.55); font-size:14px; max-width:280px; line-height:1.6; }
.footer-col h4{ font-size:11px; letter-spacing:0.12em; color:#D8B57A; text-transform:uppercase; margin-bottom:20px; font-weight:600; }
.footer-col ul{ display:flex; flex-direction:column; gap:13px; }
.footer-col a{ color:rgba(244,241,233,0.62); font-size:14px; transition:color .2s ease; }
.footer-col a:hover{ color:var(--white); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:28px; border-top:1px solid var(--border-dark); flex-wrap:wrap; gap:14px; }
.footer-bottom p{ color:rgba(244,241,233,0.4); font-size:12.5px; }

/* ---------- forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.field label{ font-size:12.5px; color:var(--ink-soft); font-weight:500; }
.field input, .field textarea, .field select{
  background:var(--white); border:1px solid var(--border); color:var(--ink);
  padding:13px 15px; font-family:var(--f-body); font-size:15px; border-radius:1px; transition:border-color .2s ease; width:100%;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field textarea:focus, .field select:focus{ outline:none; border-color:var(--gold); }
.field-note{ font-size:12px; color:var(--ink-faint); margin-top:-8px; margin-bottom:18px; }
.form-status{ margin-top:16px; font-size:14px; color:var(--gold-deep); display:none; }
.form-status.is-visible{ display:block; }

.contact-info{ display:flex; flex-direction:column; gap:30px; }
.contact-info-item{ display:flex; gap:18px; align-items:flex-start; }
.contact-info-item h4{ font-size:11.5px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:0.08em; font-weight:600; margin-bottom:7px; }
.contact-info-item a, .contact-info-item p{ font-size:16px; color:var(--ink); }
.contact-info-item a:hover{ color:var(--gold-deep); }

/* ---------- insights ---------- */
.post-row{ display:grid; grid-template-columns:110px 1fr auto; gap:32px; align-items:baseline; padding:32px 0; border-bottom:1px solid var(--border); transition:opacity .2s ease; }
.post-row:hover{ opacity:0.7; }
.post-row .tag{ font-size:10.5px; letter-spacing:0.08em; color:var(--gold); text-transform:uppercase; font-weight:600; }
.post-row h3{ font-size:20px; margin-bottom:7px; }
.post-row p{ color:var(--ink-soft); font-size:14px; max-width:480px; }
.post-row .arrow{ color:var(--ink-faint); font-size:13px; }
@media (max-width:700px){ .post-row{ grid-template-columns:1fr; gap:8px; } .post-row .arrow{ display:none; } }

.article-header{ padding:clamp(150px,15vw,190px) 0 44px; }
.article-header .eyebrow{ margin-bottom:18px; }
.article-header h1{ max-width:740px; margin-bottom:22px; }
.article-meta{ display:flex; gap:16px; color:var(--ink-faint); font-size:13px; }
.article-body{ max-width:660px; }
.article-body p{ color:var(--ink-soft); font-size:17px; line-height:1.85; margin-bottom:24px; }
.article-body h2{ font-size:24px; margin:48px 0 18px; }
.article-body strong{ color:var(--ink); font-weight:600; }
.article-body blockquote{
  border-left:2px solid var(--gold); padding-left:24px; margin:36px 0;
  font-family:var(--f-display); font-size:21px; font-style:italic; color:var(--ink); line-height:1.5;
}
.takeaways{ margin-top:56px; padding:36px 40px; background:var(--paper); border:1px solid var(--border); }
.takeaways h4{ font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--gold); font-weight:600; margin-bottom:18px; }
.article-cta{ margin-top:48px; padding:36px 40px; border:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap; }
.article-cta p{ color:var(--ink); font-size:15.5px; max-width:380px; margin:0; }

/* ---------- utility ---------- */
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;}
.mt-40{margin-top:40px;} .mt-56{margin-top:56px;} .mt-90{margin-top:90px;}
.mb-16{margin-bottom:16px;} .mb-24{margin-bottom:24px;} .mb-40{margin-bottom:40px;}

/* ---------- restrained reveal: a single quiet fade+rise, once ---------- */
[data-reveal]{ opacity:0; transform:translateY(14px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
[data-reveal].is-in{ opacity:1; transform:translateY(0); }