/* ============================================================
   Blackledger Partners — shared styles
   Concept: "the ledger" — ruled rows, mono figures, ink + orange
   ============================================================ */

:root{
  --ink:#14181F;      /* dark anchor */
  --slate:#222A36;    /* dark surface */
  --slate-2:#2B3543;  /* dark surface lifted */
  --orange:#F15A29;   /* prominent accent */
  --orange-d:#D8481C; /* orange pressed */
  --amber:#F7941D;    /* secondary accent */
  --paper:#FFFFFF;
  --mist:#F5F6F8;     /* light section / card */
  --mist-2:#EEF0F3;
  --line:#E4E7EC;     /* hairline */
  --line-d:#333C49;   /* hairline on dark */
  --body:#444C59;     /* body text */
  --head:#1B222D;     /* headings on light */
  --muted:#8B93A1;    /* muted */
  --muted-d:#9AA3B2;  /* muted on dark */

  --font-display:'Space Grotesk','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono:'Space Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;

  --wrap:1180px;
  --gutter:clamp(1.15rem,4vw,2.5rem);
  --radius:14px;
  --radius-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.62;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--head);line-height:1.1;margin:0;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(3.5rem,8vw,6rem)}
.section--tight{padding-block:clamp(2.5rem,6vw,4rem)}
.section--mist{background:var(--mist)}
.section--ink{background:var(--ink);color:#D7DCE3}
.section--ink h1,.section--ink h2,.section--ink h3{color:#fff}

/* ---------- ledger eyebrow (signature) ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--orange);
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  margin:0 0 1.1rem;
  font-weight:700;
}
.eyebrow::before{
  content:"";
  width:.55rem;height:.55rem;border-radius:2px;
  background:var(--orange);
  display:inline-block;flex:none;
}
.section--ink .eyebrow{color:var(--amber)}
.section--ink .eyebrow::before{background:var(--amber)}

/* ---------- headings scale ---------- */
.h-display{font-size:clamp(2.35rem,5.2vw,4.15rem);letter-spacing:-.02em;font-weight:600}
.h-section{font-size:clamp(1.85rem,3.5vw,2.85rem);letter-spacing:-.015em}
.lede{font-size:clamp(1.05rem,1.6vw,1.24rem);line-height:1.55;color:var(--body);max-width:44ch}
.section--ink .lede{color:#B7BFC9}

/* ---------- buttons ---------- */
.btn{
  --_bg:var(--orange);--_fg:#fff;--_bd:var(--orange);
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-body);font-weight:600;font-size:.98rem;
  padding:.82rem 1.4rem;border-radius:9px;border:1.5px solid var(--_bd);
  background:var(--_bg);color:var(--_fg);cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);background:var(--orange-d);border-color:var(--orange-d)}
.btn:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}
.btn--ghost{--_bg:transparent;--_fg:var(--head);--_bd:var(--line)}
.btn--ghost:hover{--_bg:transparent;background:var(--mist);border-color:#cfd4dc;transform:translateY(-2px)}
.section--ink .btn--ghost,.on-ink .btn--ghost{--_fg:#fff;--_bd:#3a4552}
.section--ink .btn--ghost:hover,.on-ink .btn--ghost:hover{background:rgba(255,255,255,.06);border-color:#4a5663}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(20,24,31,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line-d);
}
.header-inner{display:flex;align-items:center;gap:1.5rem;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:.7rem}
.brand .mark{flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1;gap:.18rem}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.32rem;color:#fff;letter-spacing:-.01em}
.brand-name em{font-style:normal;color:var(--orange)}
.brand-sub{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.34em;color:var(--muted-d);text-transform:uppercase}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:.35rem}
.main-nav a{
  font-size:.95rem;color:#C6CCD5;padding:.5rem .85rem;border-radius:7px;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.main-nav a.active{color:#fff}
.main-nav a.active::after{
  content:"";display:block;height:2px;background:var(--orange);
  border-radius:2px;margin-top:.32rem;
}
.header-cta{margin-left:.4rem}
.nav-toggle{
  display:none;margin-left:auto;background:transparent;border:1.5px solid #3a4552;
  color:#fff;border-radius:8px;padding:.5rem .7rem;font-family:var(--font-mono);
  font-size:.72rem;letter-spacing:.15em;cursor:pointer;text-transform:uppercase;
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero__glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 420px at 82% -8%, rgba(241,90,41,.16), transparent 60%),
    radial-gradient(520px 520px at 108% 120%, rgba(34,42,54,.9), transparent 60%);
}
.hero__inner{position:relative;padding-block:clamp(3.8rem,9vw,6.4rem)}
.hero h1{color:#fff;max-width:16ch;margin-bottom:1.4rem}
.hero .lede{color:#C2C9D2;margin-bottom:2rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem}

/* ledger strip (hero figures) */
.ledger-strip{
  margin-top:clamp(2.4rem,5vw,3.6rem);
  border-top:1px solid var(--line-d);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.ledger-strip li{
  padding:1.4rem 0 .2rem;border-right:1px solid var(--line-d);padding-right:1.3rem;
}
.ledger-strip li:last-child{border-right:none}
.ledger-strip .k{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);display:block;margin-bottom:.5rem}
.ledger-strip .v{font-family:var(--font-display);font-weight:500;font-size:1.12rem;color:#EDEFF2;line-height:1.3}

/* ---------- generic section header ---------- */
.sec-head{max-width:52ch;margin-bottom:clamp(2rem,4vw,3rem)}
.sec-head .lede{margin-top:1rem}

/* ---------- ledger rows (services signature) ---------- */
.ledger{border-top:1px solid var(--line)}
.ledger__row{
  display:grid;grid-template-columns:4.5rem 1fr auto;gap:1.4rem;align-items:start;
  padding:1.7rem 1rem 1.7rem .4rem;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease),padding .18s var(--ease);
}
a.ledger__row:hover{background:var(--mist);padding-inline:1rem .8rem}
.ledger__idx{font-family:var(--font-mono);font-weight:700;font-size:1rem;color:var(--muted);padding-top:.2rem;transition:color .18s var(--ease)}
a.ledger__row:hover .ledger__idx{color:var(--orange)}
.ledger__title{font-family:var(--font-display);font-weight:600;font-size:1.3rem;color:var(--head);margin-bottom:.35rem}
.ledger__desc{font-size:.99rem;color:var(--body);max-width:60ch}
.ledger__meta{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:var(--muted);text-align:right;padding-top:.35rem;white-space:nowrap}
.ledger__row .arw{color:var(--orange);opacity:0;transform:translateX(-4px);transition:.2s var(--ease)}
a.ledger__row:hover .arw{opacity:1;transform:translateX(0)}

/* ---------- card grid (why / values) ---------- */
.grid{display:grid;gap:1.15rem}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.5rem;transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.section--mist .card{background:var(--paper)}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px -18px rgba(20,24,31,.35);border-color:#d7dbe2}
.card__ico{
  width:46px;height:46px;border-radius:11px;background:var(--ink);
  display:grid;place-items:center;margin-bottom:1.05rem;color:var(--orange);
}
.card__ico svg{width:22px;height:22px}
.card h3{font-size:1.16rem;margin-bottom:.5rem}
.card p{font-size:.96rem}

/* ---------- process (how we work) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;counter-reset:step}
.step{position:relative;padding-top:1.6rem}
.step__n{
  width:2.9rem;height:2.9rem;border-radius:50%;background:var(--orange);color:#fff;
  font-family:var(--font-display);font-weight:600;font-size:1.15rem;
  display:grid;place-items:center;margin-bottom:1rem;
}
.step h3{font-size:1.1rem;margin-bottom:.4rem}
.step p{font-size:.92rem}
.step::before{
  content:"";position:absolute;top:calc(1.6rem + 1.45rem - 1px);left:3.35rem;right:-1.1rem;
  height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 7px,transparent 7px 14px);
}
.step:last-child::before{display:none}

/* ---------- split (about / who) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.stack-facts{display:grid;gap:1rem;margin-top:.5rem}
.fact{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start}
.fact__ico{width:44px;height:44px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;flex:none}
.fact__ico svg{width:20px;height:20px}
.fact h4{font-family:var(--font-display);font-size:1.06rem;color:var(--head);margin-bottom:.2rem}
.fact p{font-size:.94rem}

/* ---------- comparison ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.panel{border-radius:var(--radius);padding:1.8rem 1.7rem}
.panel--ink{background:var(--ink);color:#D7DCE3}
.panel--ink h3{color:#fff}
.panel--mist{background:var(--mist);border:1px solid var(--line)}
.panel__tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;margin:.15rem 0 1.1rem}
.panel--ink .panel__tag{color:var(--orange)}
.panel--mist .panel__tag{color:var(--muted)}
.panel h3{font-size:1.35rem;margin-bottom:.1rem}
.plist li{display:flex;gap:.75rem;align-items:flex-start;padding:.5rem 0;font-size:.97rem}
.plist li svg{flex:none;margin-top:.28rem}
.panel--ink .plist li{color:#D7DCE3}
.panel--mist .plist li{color:var(--body)}
.dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--muted);flex:none;margin-top:.55rem}
.bottomline{margin-top:1.6rem;font-size:1.06rem;text-align:center;color:var(--body)}
.bottomline b{color:var(--orange)}

/* ---------- cost table ---------- */
.cost-wrap{display:grid;grid-template-columns:1.9fr 1fr;gap:1.6rem;align-items:stretch}
.cost{width:100%;border-collapse:collapse;font-size:1rem}
.cost th,.cost td{text-align:left;padding:.95rem .4rem}
.cost thead th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border-bottom:2px solid #cbd0d8;color:var(--muted)}
.cost thead th.num{text-align:center}
.cost tbody td{border-bottom:1px solid var(--line)}
.cost td.num{text-align:center;font-variant-numeric:tabular-nums}
.cost .out{font-family:var(--font-mono);font-weight:700;color:var(--head)}
.cost thead th.out{color:var(--orange)}
.cost tfoot td{padding:1.05rem .9rem;background:var(--ink);color:#fff;font-weight:600}
.cost tfoot td:first-child{border-top-left-radius:9px;border-bottom-left-radius:9px}
.cost tfoot td:last-child{border-top-right-radius:9px;border-bottom-right-radius:9px}
.cost tfoot .out{color:var(--orange);font-family:var(--font-mono)}
.cost tfoot .in{color:#C9CED6;font-family:var(--font-mono)}
.stat{
  background:var(--orange);color:#fff;border-radius:var(--radius);
  padding:1.8rem 1.6rem;display:flex;flex-direction:column;justify-content:center;
}
.stat .k{font-size:1rem;color:#FFE3D6}
.stat .big{font-family:var(--font-display);font-weight:700;font-size:clamp(3.4rem,7vw,4.6rem);line-height:1;margin:.2rem 0 .6rem}
.stat .cap{font-size:1rem;color:#fff;line-height:1.35}
.note{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);margin-top:1.3rem}

/* ---------- associates ---------- */
.assoc{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.assoc__card{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem 1.6rem}
.mono-tile{
  width:66px;height:66px;border-radius:14px;background:var(--ink);
  display:grid;place-items:center;font-family:var(--font-display);font-weight:700;
  font-size:1.4rem;color:var(--orange);margin-bottom:1.15rem;letter-spacing:.02em;
}
.assoc__card h3{font-size:1.24rem;margin-bottom:.3rem}
.assoc__role{font-family:var(--font-mono);font-size:.8rem;color:var(--orange);letter-spacing:.04em;margin-bottom:.7rem}
.assoc__addr{font-size:.95rem;color:var(--body)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-band__glow{position:absolute;inset:0;background:radial-gradient(560px 320px at 88% 120%,rgba(241,90,41,.2),transparent 62%);pointer-events:none}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-block:clamp(2.8rem,6vw,4.2rem)}
.cta-band h2{color:#fff;font-size:clamp(1.9rem,4vw,3rem);max-width:18ch}
.cta-band p{color:#B7BFC9;margin-top:.7rem;max-width:40ch}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-info .lede{margin-bottom:2rem}
.info-row{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:center;padding:1rem 0;border-bottom:1px solid var(--line)}
.info-row:first-of-type{border-top:1px solid var(--line)}
.info-row .ico{width:42px;height:42px;border-radius:10px;background:var(--mist);display:grid;place-items:center;color:var(--orange)}
.info-row .ico svg{width:19px;height:19px}
.info-row .lbl{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.15rem}
.info-row .val{color:var(--head);font-weight:500}

.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.5rem,3vw,2.2rem);box-shadow:0 22px 50px -34px rgba(20,24,31,.4)}
.field{margin-bottom:1.15rem}
.field label{display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--head);margin-bottom:.5rem;font-weight:700}
.field .req{color:var(--orange)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-body);font-size:1rem;color:var(--head);
  padding:.8rem .9rem;border:1.5px solid var(--line);border-radius:9px;background:#fff;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(241,90,41,.15);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:.4rem}
.form-msg{font-size:.92rem}
.form-msg--ok{color:#1a7f4b}
.form-msg--err{color:#c0392b}
.form-success{
  display:none;text-align:center;padding:2.5rem 1rem;
}
.form-success .tick{width:58px;height:58px;border-radius:50%;background:#1a7f4b;display:grid;place-items:center;margin:0 auto 1.1rem}
.form-success h3{font-size:1.4rem;margin-bottom:.5rem}
.is-sent .form-body{display:none}
.is-sent .form-success{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#9AA3B2;padding-block:clamp(3rem,6vw,4rem) 2rem}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem}
.footer-brand .brand{margin-bottom:1rem}
.footer-brand p{color:#8B93A1;font-size:.95rem;max-width:34ch}
.footer-col h4{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:#6B7382;margin-bottom:1rem;font-weight:700}
.footer-col a{display:block;color:#C6CCD5;padding:.32rem 0;font-size:.95rem;transition:color .15s var(--ease)}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--line-d);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:#6B7382}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:inline-block}
  .site-header.open .main-nav{
    display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    align-items:stretch;background:var(--ink);border-bottom:1px solid var(--line-d);
    padding:.6rem var(--gutter) 1rem;gap:.1rem;
  }
  .site-header.open .main-nav a{padding:.75rem .4rem}
  .site-header.open .main-nav a.active::after{display:none}
  .site-header.open .header-cta{display:block;margin:.6rem 0 0}
  .site-header.open .header-cta .btn{width:100%;justify-content:center}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:1.6rem}
  .step::before{display:none}
  .split,.cost-wrap,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .compare,.assoc{grid-template-columns:1fr}
  .ledger-strip{grid-template-columns:1fr}
  .ledger-strip li{border-right:none;border-bottom:1px solid var(--line-d);padding-right:0}
  .ledger-strip li:last-child{border-bottom:none}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:560px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .ledger__row{grid-template-columns:2.6rem 1fr;gap:.9rem}
  .ledger__meta,.ledger__row .arw{display:none}
  .footer-top{grid-template-columns:1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}