/* ==========================================================================
   SilverBee Holdings — shared stylesheet
   Design system: deep navy/charcoal ground, restrained antique gold,
   Fraunces (serif, editorial) + IBM Plex Sans (structural sans).
   ========================================================================== */

:root{
  /* ground */
  --ink:        #0D1821;   /* darkest — hero / footer base */
  --charcoal:   #16232E;   /* panel dark */
  --navy-700:   #12293C;   /* deep navy for gradients */
  --navy-500:   #21445B;   /* mid navy, secondary accent */
  --slate:      #7C93A3;   /* cool text on dark */
  --slate-dim:  #56707F;

  /* gold */
  --gold:       #A9803D;
  --gold-soft:  #CBAA6E;
  --gold-dim:   #8A6A34;

  /* paper */
  --paper:      #F5F1E7;   /* warm ivory ground */
  --paper-2:    #EBE4D2;   /* deeper ivory for alternating sections */
  --card:       #FBF9F3;   /* card surface, slightly lighter than paper */
  --ink-text:   #1B242C;
  --muted:      #5B6670;
  --line:       #DDD3B9;   /* warm hairline on paper */
  --line-dark:  rgba(245,241,231,.14);

  --max: 1180px;
  --measure: 62ch;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", Arial, sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-text);
  font:17px/1.7 var(--sans);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--gold-dim);color:#fff}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.08;
  letter-spacing:-.01em;
  margin:0 0 .5em;
  color:inherit;
}
h1{font-size:clamp(38px,5.4vw,68px);font-weight:560}
h2{font-size:clamp(30px,3.6vw,44px)}
h3{font-size:22px;font-weight:600}
p{margin:0 0 1.15em}
.measure{max-width:var(--measure)}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- layout ---------- */
.wrap{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.wrap-narrow{width:min(760px,calc(100% - 48px));margin:0 auto}
section{padding:104px 0}
@media (max-width:760px){section{padding:68px 0}}

.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
@media (max-width:940px){
  .grid-3,.grid-4,.grid-5{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}
}

.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------- editorial labels ---------- */
.kicker{
  display:flex;align-items:center;gap:12px;
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:16px;color:var(--gold);margin-bottom:18px;
}
.kicker::before{content:"";width:30px;height:1px;background:var(--gold);display:block}
.kicker.on-dark{color:var(--gold-soft)}
.kicker.center-kicker{justify-content:center}
.kicker.center-kicker::before{display:none}

.lede{font-size:19px;color:var(--muted);max-width:640px}
.on-dark .lede,.dark .lede,.navy .lede{color:#C9D3D9}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(13,24,33,.97);
  border-bottom:1px solid var(--line-dark);
}
/* note: intentionally no backdrop-filter here — it would make this
   element a containing block for its position:fixed mobile-nav
   child, breaking full-screen coverage of that overlay. */
.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:#fff}
.brandmark{width:46px;height:40px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text b{font:22px/1 var(--serif);font-weight:600;letter-spacing:.03em}
.brand-text span{font:11px/1 var(--sans);letter-spacing:.28em;color:var(--gold-soft);margin-top:6px}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  text-decoration:none;color:#DEE6EA;font-size:15px;font-weight:500;
  padding:6px 0;border-bottom:1px solid transparent;
}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:var(--gold-soft);border-bottom-color:var(--gold-soft)}
.nav-links .btn{color:#0D1821}

.nav-toggle{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}
.nav-toggle svg{width:24px;height:24px;display:block}

@media (max-width:900px){
  .nav-links{
    position:fixed;inset:84px 0 0 0;background:var(--ink);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 28px 28px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
    border-top:1px solid var(--line-dark);
  }
  .nav-links.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-links a{width:100%;padding:16px 0;border-bottom:1px solid var(--line-dark);font-size:17px}
  .nav-links a.active{border-bottom-color:var(--line-dark)}
  .nav-links .btn{margin-top:18px}
  .nav-toggle{display:block}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--sans);font-size:14.5px;font-weight:600;
  padding:14px 24px;text-decoration:none;border-radius:1px;
  border:1px solid transparent;transition:background .18s,border-color .18s,color .18s;
  cursor:pointer;
}
.btn-gold{background:var(--gold);color:#181008;border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-soft);border-color:var(--gold-soft)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-line:hover{border-color:var(--gold-soft);color:var(--gold-soft)}
.btn-line-dark{background:transparent;border-color:var(--ink-text);color:var(--ink-text)}
.btn-line-dark:hover{border-color:var(--gold-dim);color:var(--gold-dim)}
.btn-ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ink:hover{background:var(--navy-700)}

/* ---------- hero (home) ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:
   linear-gradient(100deg,rgba(11,20,28,.96) 0%,rgba(11,20,28,.86) 44%,rgba(11,20,28,.5) 78%),
   linear-gradient(160deg,#193347 0%,#0B141C 72%);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:640px;gap:20px}
.hero-copy{max-width:600px;padding:96px 0 80px;position:relative;z-index:2}
.hero-copy h1{color:#F3EFE4;margin-bottom:26px}
.hero-copy .lede{color:#CBD6DC;font-size:19px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-art{position:relative;height:100%;min-height:520px}
.hero-art svg{position:absolute;inset:0;width:100%;height:100%}
@media (max-width:940px){
  .hero-inner{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:56px 0 20px}
  .hero-art{min-height:340px;opacity:.55}
}

/* ---------- principle strip ---------- */
.strip{background:var(--navy-700);color:#fff;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.strip .wrap{display:flex}
.strip-item{flex:1;padding:34px 30px;border-right:1px solid var(--line-dark)}
.strip-item:last-child{border-right:0}
.strip-item h4{font-family:var(--serif);font-style:italic;font-weight:500;font-size:18px;color:var(--gold-soft);margin-bottom:8px}
.strip-item p{margin:0;font-size:14.5px;color:#C7D2D8}
@media (max-width:760px){
  .strip .wrap{flex-direction:column}
  .strip-item{border-right:0;border-bottom:1px solid var(--line-dark);padding:22px 4px}
  .strip-item:last-child{border-bottom:0}
}

/* ---------- sections / surfaces ---------- */
.on-dark{background:var(--ink);color:#EDEAE0}
.on-dark h2,.on-dark h3{color:#F3EFE4}
.on-navy{background:linear-gradient(155deg,var(--navy-700),#0C1922);color:#EDEAE0}
.on-navy h2,.on-navy h3{color:#F3EFE4}
.on-paper-2{background:var(--paper-2)}

.page-hero{
  padding:88px 0 76px;color:#fff;
  background:linear-gradient(150deg,var(--navy-700) 0%,#0A141C 78%);
}
.page-hero h1{color:#F3EFE4;font-size:clamp(36px,4.6vw,58px)}
.page-hero .lede{color:#CBD6DC}

/* ---------- process / numbered sequence ---------- */
.sequence{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.seq-step{padding:0 26px 0 0;border-left:1px solid var(--line)}
.seq-step{padding-left:26px}
.seq-step .num{font-family:var(--serif);font-style:italic;color:var(--gold);font-size:15px;margin-bottom:10px;display:block}
.seq-step h4{font-family:var(--serif);font-size:19px;font-weight:600;margin:0 0 8px}
.seq-step p{font-size:14.5px;color:var(--muted);margin:0}
@media (max-width:940px){.sequence{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.sequence{grid-template-columns:1fr}}

.sequence-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:760px){.sequence-3{grid-template-columns:1fr}}

/* ---------- criteria / info cards ---------- */
.criteria-card{
  padding:34px 32px;background:var(--card);border:1px solid var(--line);
}
.criteria-card h3{font-size:20px;margin-bottom:10px}
.criteria-card p{color:var(--muted);font-size:15px;margin:0}
.criteria-card.on-navy{background:transparent;border-color:var(--line-dark)}
.criteria-card.on-navy p{color:#C7D2D8}

.check-list{display:flex;flex-direction:column;gap:0}
.check-item{padding:18px 0;border-top:1px solid var(--line)}
.check-item:last-child{border-bottom:1px solid var(--line)}
.check-item b{display:block;font-family:var(--serif);font-size:17px;font-weight:600;margin-bottom:3px}
.check-item span{color:var(--muted);font-size:14.5px}

/* ---------- honeycomb / hex network ---------- */
.hex-network{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.hex{
  position:relative;
  clip-path:polygon(25% 3%,75% 3%,100% 50%,75% 97%,25% 97%,0 50%);
  background:var(--charcoal);
  min-height:196px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:26px 22px;color:#fff;
  border:1px solid var(--line-dark);
}
.hex strong{font-family:var(--serif);font-size:21px;font-weight:600;margin-bottom:6px}
.hex small{font-size:13px;color:var(--slate)}
.hex.is-gold{background:linear-gradient(155deg,#2B2013,#1A130A);border-color:rgba(203,170,110,.35)}
.hex.is-gold small{color:var(--gold-soft)}
@media (max-width:940px){.hex-network{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.hex-network{grid-template-columns:1fr}}

/* ---------- quote ---------- */
.quote-block{border-left:2px solid var(--gold);padding:6px 0 6px 30px}
.quote-block p{font-family:var(--serif);font-size:24px;font-style:italic;line-height:1.4;color:inherit;margin-bottom:10px}
.quote-block small{color:var(--slate);font-size:13px;letter-spacing:.06em}

/* ---------- CTA / contact band ---------- */
.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
@media (max-width:860px){.cta-grid{grid-template-columns:1fr;gap:40px}}
.contact-line{font-size:17px;margin-top:22px}
.contact-line a{color:var(--gold-soft);text-decoration:none;font-weight:600}
.contact-line a:hover{text-decoration:underline}

form.stack{display:grid;grid-template-columns:1fr 1fr;gap:18px}
form.stack .full{grid-column:1/-1}
form.stack label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.03em;margin-bottom:6px;color:#C7D2D8}
form.stack input,form.stack textarea{
  width:100%;padding:13px 14px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.04);color:#fff;font:15px/1.5 var(--sans);
}
form.stack input::placeholder,form.stack textarea::placeholder{color:#8A97A0}
form.stack input:focus,form.stack textarea:focus{outline:none;border-color:var(--gold-soft);background:rgba(255,255,255,.07)}
form.stack textarea{min-height:130px;resize:vertical}
@media (max-width:560px){form.stack{grid-template-columns:1fr}form.stack .full{grid-column:auto}}

.notice{display:none;padding:14px 18px;margin-bottom:20px;border:1px solid var(--gold);color:var(--ink-text);font-size:14.5px}
.notice.error{border-color:#a13a3a;color:#a13a3a}

/* light-surface contact form variant (used when CTA sits on paper) */
.on-paper form.stack input,.on-paper form.stack textarea{
  border-color:var(--line);background:#fff;color:var(--ink-text)
}
.on-paper form.stack label{color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C7D2D8;padding:44px 0}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{text-decoration:none;font-size:13.5px;color:#B7C2C9}
.footer-links a:hover{color:var(--gold-soft)}
.copyright{font-size:12.5px;color:#69747C}

/* ---------- misc ---------- */
.rule{height:1px;background:var(--line);border:0;margin:0}
.rule-dark{height:1px;background:var(--line-dark);border:0;margin:0}
.space-16{height:16px}
.space-32{height:32px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* ---------- V4 bespoke portfolio network ---------- */
.network-visual{
  width:min(620px,100%);margin:0 auto;
  padding:18px 22px 12px;
  border:1px solid var(--line-dark);
  background:
    radial-gradient(circle at 50% 50%,rgba(169,128,61,.10),transparent 34%),
    linear-gradient(145deg,rgba(255,255,255,.025),rgba(255,255,255,0));
}
.network-visual svg{width:100%;height:auto;display:block;overflow:visible}
.network-lines path{stroke:rgba(203,170,110,.26);stroke-width:1;stroke-dasharray:2 8}
.network-node .node-hex{fill:rgba(22,35,46,.76);stroke:#456277;stroke-width:1.25}
.network-node .node-icon{fill:none;stroke:#8298A6;stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round}
.network-node.node-gold .node-hex{fill:rgba(80,59,26,.34);stroke:#A9803D}
.network-node.node-gold .node-icon{stroke:#CBAA6E}
.network-node.node-core .node-hex{fill:#101F2B;stroke:#CBAA6E;stroke-width:1.6}
.network-node.node-core .node-icon{stroke:#CBAA6E}
.network-node.node-core circle{fill:#CBAA6E}
.network-dot circle{fill:#CBAA6E;opacity:.9}
.network-caption{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:2px 8px 10px}
.network-caption span{text-align:center;color:#9FB0BA;font-size:11.5px;letter-spacing:.025em}
.network-visual-light{background:linear-gradient(145deg,var(--card),rgba(235,228,210,.6));border-color:var(--line);max-width:760px}
.network-visual-light .network-lines path{stroke:rgba(138,106,52,.28)}
.network-visual-light .network-node .node-hex{fill:#F3EEDFDA;stroke:#9CADB7}
.network-visual-light .network-node .node-icon{stroke:#667D8B}
.network-visual-light .network-node.node-gold .node-hex{fill:#EEE1C3;stroke:#A9803D}
.network-visual-light .network-node.node-gold .node-icon{stroke:#8A6A34}
.network-visual-light .network-node.node-core .node-hex{fill:#16232E;stroke:#A9803D}
.network-visual-light .network-node.node-core .node-icon{stroke:#CBAA6E}
.network-visual-light .network-dot circle{fill:#A9803D}
.portfolio-status{max-width:720px;margin:30px auto 0;display:flex;gap:16px;align-items:flex-start;padding:22px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.portfolio-status .status-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);margin-top:8px;flex:none;box-shadow:0 0 0 5px rgba(169,128,61,.10)}
.portfolio-status strong{display:block;font-family:var(--serif);font-size:18px;margin-bottom:4px}
.portfolio-status p{margin:0;color:var(--muted);font-size:14.5px}
.on-navy .notice{color:#EDEAE0;background:rgba(255,255,255,.035)}
.on-navy .notice.error{color:#F2B8B5;border-color:#B75B56}

@media (max-width:620px){
  .network-visual{padding:8px}
  .network-caption{grid-template-columns:1fr 1fr;gap:5px 8px}
  .network-caption span{font-size:11px}
  .portfolio-status{padding:18px 4px}
}