/* ============================================================================
   Data2Dollars.ai — site.css
   Rebuild design system (SPEC §4). Source of truth for tokens: brand-tokens.css.
   Zero-JS for content. Dark = midnight; light = paper/paper-dim.
   ========================================================================== */

/* ---- Self-hosted fonts (SPEC §4.2): latin-subset variable woff2 ---------- */
@font-face{font-family:'DM Sans';font-style:normal;font-weight:100 1000;font-display:swap;src:url('/fonts/dmsans-var.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url('/fonts/inter-var.woff2') format('woff2');}

/* ---- Tokens (SPEC §4.1) -------------------------------------------------- */
:root{
  --d2d-midnight:#0B1D3A;
  --d2d-midnight-deep:#08132A;
  --d2d-midnight-lift:#16325C;
  --d2d-amber:#D4952B;          /* action, rules, kickers on dark, buttons */
  --d2d-amber-ink:#8A5A16;      /* amber TEXT on light bg — AA-safe (5.9:1) */
  --d2d-green:#16A34A;          /* green money — semantic */
  --d2d-green-bright:#22C55E;   /* green on dark */
  --d2d-steel:#4A6FA5;          /* blue money — semantic */
  --d2d-teal:#2FA98C;           /* blue→green transition */
  --d2d-ink:#0F172A;            /* body text on light */
  --d2d-slate:#475569;
  --d2d-paper:#FFFFFF;
  --d2d-paper-dim:#F7F8FA;
  --d2d-line:#E2E8F0;           /* hairlines on light */
  --d2d-line-dark:rgba(255,255,255,.14);
  --d2d-grad-money:linear-gradient(90deg,var(--d2d-steel) 0%,var(--d2d-teal) 55%,var(--d2d-green-bright) 100%);
  --font-heading:'DM Sans',system-ui,-apple-system,Segoe UI,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  --container:1120px;
  --measure:70ch;
  --radius:12px;
  --radius-lg:16px;
}

/* ---- Reset / base -------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:18px;
  line-height:1.6;
  color:var(--d2d-ink);
  background:var(--d2d-paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-heading);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em}
h2{letter-spacing:-.015em;font-weight:700}
h3{letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em}
strong{font-weight:600}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.35em 0}
:focus-visible{outline:3px solid var(--d2d-amber);outline-offset:2px;border-radius:3px}

/* ---- Layout -------------------------------------------------------------- */
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(56px,8vw,104px)}
.section--tight{padding-block:clamp(40px,6vw,72px)}
.section--light{background:var(--d2d-paper);color:var(--d2d-ink)}
.section--dim{background:var(--d2d-paper-dim);color:var(--d2d-ink)}
.section--dark{
  background:
    radial-gradient(120% 140% at 78% 0%,var(--d2d-midnight-lift) 0%,var(--d2d-midnight) 42%,var(--d2d-midnight-deep) 100%);
  color:#fff;
}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}
.measure{max-width:var(--measure)}
.lede{font-size:1.18rem;color:var(--d2d-slate)}
.section--dark .lede{color:rgba(255,255,255,.82)}
.center{text-align:center}
.gm{color:var(--d2d-green)}                 /* green money text accent */
.section--dark .gm{color:var(--d2d-green-bright)}

/* ---- Kicker (SPEC §4.2) -------------------------------------------------- */
.kicker{
  font-family:var(--font-body);
  font-weight:700;
  font-size:.8125rem;      /* 13px */
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--d2d-amber-ink);   /* AA-safe on light */
  margin:0 0 .9rem;
}
.section--dark .kicker,.kicker--ondark{color:var(--d2d-amber)}  /* 6.5:1 on midnight */

/* section header block */
.sec-head{margin-bottom:clamp(28px,4vw,48px)}
.sec-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:22ch}
.sec-head .intro{max-width:60ch;margin-top:.8rem}

/* ---- Buttons ------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-body);font-weight:600;font-size:1rem;line-height:1;
  padding:.9rem 1.35rem;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease,box-shadow .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--d2d-amber);color:var(--d2d-midnight);font-weight:700}
.btn-primary:hover{box-shadow:0 8px 22px rgba(212,149,43,.28)}
.btn-outline{background:transparent;color:#fff;border-color:var(--d2d-steel)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.section--light .btn-outline,.section--dim .btn-outline{color:var(--d2d-ink);border-color:var(--d2d-slate)}
.section--light .btn-outline:hover,.section--dim .btn-outline:hover{border-color:var(--d2d-ink);background:rgba(15,23,42,.04)}
.textlink{font-weight:600;color:var(--d2d-steel);border-bottom:2px solid transparent;transition:border-color .15s}
.textlink:hover{border-color:currentColor}
.section--dark .textlink{color:var(--d2d-green-bright)}
.btn-row{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-top:1.6rem}

/* ---- Header / nav -------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,19,42,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--d2d-line-dark)}
.site-header .container{display:flex;align-items:center;gap:1.5rem;min-height:66px}
.brand{font-family:var(--font-heading);font-weight:800;font-size:1.2rem;color:#fff;letter-spacing:-.02em}
.brand .hl{color:var(--d2d-green-bright)}
.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:1.35rem;margin:0;padding:0;list-style:none}
.nav a{color:rgba(255,255,255,.86);font-size:.95rem;font-weight:500;transition:color .15s}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--d2d-amber)}
/* dropdown (CSS-only, keyboard accessible via focus-within) */
.has-sub{position:relative}
.has-sub>button{background:none;border:0;color:rgba(255,255,255,.86);font:inherit;font-size:.95rem;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:.3rem;padding:0}
.has-sub>button:hover{color:#fff}
.submenu{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:250px;background:#0e2445;border:1px solid var(--d2d-line-dark);border-radius:12px;padding:.5rem;
  box-shadow:0 18px 44px rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:opacity .15s,transform .15s;list-style:none;margin:0;
}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.submenu a{display:block;padding:.6rem .75rem;border-radius:8px;font-size:.95rem}
.submenu a:hover{background:rgba(255,255,255,.07)}
.submenu .sub-desc{display:block;color:rgba(255,255,255,.55);font-size:.8rem;font-weight:400;margin-top:.1rem}
.nav .btn-primary{padding:.6rem 1rem}
.nav-toggle{display:none}

/* ---- Footer -------------------------------------------------------------- */
.money-divider{height:4px;background:var(--d2d-grad-money)}
.site-footer{background:var(--d2d-midnight-deep);color:rgba(255,255,255,.72);padding-block:56px 32px}
.site-footer a{color:rgba(255,255,255,.72);transition:color .15s}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem}
.footer-brand .brand{display:inline-block;margin-bottom:.6rem}
.footer-brand p{max-width:28ch;color:rgba(255,255,255,.6);font-size:.95rem}
.site-footer h4{color:#fff;font-family:var(--font-body);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;margin:0 0 1rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:.5rem 0;font-size:.95rem}
.footer-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--d2d-line-dark);font-size:.85rem;color:rgba(255,255,255,.5)}
.footer-legal a{color:rgba(255,255,255,.5)}

/* ---- Hero ---------------------------------------------------------------- */
.hero{padding-block:clamp(64px,10vw,120px)}
.hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.6vw,4rem);max-width:14ch}
.hero .amber-rule{width:64px;height:4px;background:var(--d2d-amber);border-radius:2px;margin:1.4rem 0}
.hero .sub{font-size:clamp(1.05rem,2vw,1.3rem);color:rgba(255,255,255,.85);max-width:44ch}
/* banner-style pillar rail (message-match to LinkedIn banner) */
.pillar-rail{border-left:1px solid var(--d2d-line-dark);padding-left:2rem;text-align:right}
.pillar-rail .kicker{color:var(--d2d-amber)}
.pillar-rail ul{list-style:none;margin:0;padding:0}
.pillar-rail li{font-family:var(--font-heading);font-weight:700;font-size:clamp(1.1rem,1.8vw,1.45rem);color:#fff;margin:.55rem 0;letter-spacing:-.01em}
.pillar-rail li.is-green{color:var(--d2d-green-bright)}
.pillar-rail .rail-foot{font-family:var(--font-body);font-size:.9rem;font-weight:400;color:rgba(255,255,255,.55);margin-top:1.1rem}
.pillar-rail .rail-wordmark{color:var(--d2d-green-bright);font-weight:700;font-size:1rem;margin-top:.2rem}

/* ---- Grids / cards ------------------------------------------------------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.card{background:var(--d2d-paper);border:1px solid var(--d2d-line);border-radius:var(--radius-lg);padding:1.75rem}
.section--dim .card{background:#fff}
.section--dark .card{background:rgba(255,255,255,.04);border-color:var(--d2d-line-dark)}

/* enemy card */
.enemy-card{border-top:4px solid var(--d2d-steel)}
.enemy-card h3{font-size:1.3rem;display:flex;align-items:baseline;gap:.5rem}
.enemy-card .tag{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--d2d-steel)}

/* pillar card */
.pillar-card{display:flex;flex-direction:column;border-top:4px solid var(--d2d-green)}
.pillar-card h3{font-size:1.3rem;margin-bottom:.2rem}
.pillar-card .pc-tag{font-size:.85rem;font-weight:600;color:var(--d2d-green);margin-bottom:.7rem}
.section--dark .pillar-card{border-top-color:var(--d2d-green-bright)}
.section--dark .pillar-card .pc-tag{color:var(--d2d-green-bright)}
.pillar-card .textlink{margin-top:auto;padding-top:1rem}

/* proof card */
.proof-card{border-left:4px solid var(--d2d-green)}
.proof-card h3{font-size:1.2rem}
.proof-card .metric{font-family:var(--font-heading);font-weight:800;font-size:2rem;color:var(--d2d-green);letter-spacing:-.02em;margin:.2rem 0 .4rem}

/* answer block (AEO citation lead) */
.answer-block{
  border-left:4px solid var(--d2d-amber);
  background:var(--d2d-paper-dim);
  padding:1.4rem 1.6rem;border-radius:0 var(--radius) var(--radius) 0;
  font-size:1.2rem;line-height:1.55;font-weight:500;color:var(--d2d-ink);
  max-width:68ch;margin:1.5rem 0 2rem;
}
.answer-block strong{font-weight:700}

/* stat row */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;text-align:center}
.stat .n{font-family:var(--font-heading);font-weight:800;font-size:2.4rem;color:var(--d2d-green);letter-spacing:-.02em}
.section--dark .stat .n{color:var(--d2d-green-bright)}
.stat .l{font-size:.95rem;color:var(--d2d-slate)}
.section--dark .stat .l{color:rgba(255,255,255,.7)}

/* ---- Ladder graphic (5 rungs, steel→teal→green) ------------------------- */
.ladder{display:flex;flex-direction:column;gap:.5rem;margin:1.5rem 0;max-width:640px}
.rung{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1rem;padding:.85rem 1.15rem;border-radius:10px;color:#fff}
.rung .rn{font-family:var(--font-heading);font-weight:800;font-size:1.05rem;opacity:.9;min-width:1.4em}
.rung .rname{font-family:var(--font-heading);font-weight:700;font-size:1.05rem}
.rung .rmoney{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.92}
.rung-1{background:#3d5c86}
.rung-2{background:#40738f}
.rung-3{background:var(--d2d-teal)}
.rung-4{background:#25a06a}
.rung-5{background:var(--d2d-green)}
.ladder-note{font-size:.9rem;color:var(--d2d-slate);margin-top:.4rem}
.ladder-note .g{color:var(--d2d-green);font-weight:700}

/* ---- FAQ (details/summary, no JS) --------------------------------------- */
.faq{max-width:var(--measure)}
.faq details{border-bottom:1px solid var(--d2d-line);padding:.4rem 0}
.faq summary{cursor:pointer;list-style:none;padding:.9rem 2rem .9rem 0;position:relative;font-family:var(--font-heading);font-weight:700;font-size:1.12rem;color:var(--d2d-ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:.75rem;font-size:1.5rem;font-weight:400;color:var(--d2d-amber-ink);transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 2rem 1rem 0;color:var(--d2d-slate)}

/* ---- CTA band ------------------------------------------------------------ */
.cta-band{text-align:center}
.cta-band h2{font-size:clamp(1.8rem,4vw,2.8rem);max-width:20ch;margin-inline:auto}
.cta-band .sub{color:rgba(255,255,255,.82);font-size:1.15rem;max-width:46ch;margin:0 auto 0}

/* ---- Prose (pillar/article body) ---------------------------------------- */
.prose{max-width:var(--measure)}
.prose h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-top:2.4rem}
.prose h3{font-size:1.25rem;margin-top:1.8rem}
.prose table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.98rem}
.prose th,.prose td{text-align:left;padding:.7rem .9rem;border:1px solid var(--d2d-line);vertical-align:top}
.prose th{background:var(--d2d-paper-dim);font-family:var(--font-heading)}
.prose .updated{font-size:.9rem;color:var(--d2d-slate);font-style:italic}
.prose .ans{font-weight:600;color:var(--d2d-ink);font-size:1.08rem;margin-top:.2rem}
.byline{font-size:.95rem;color:var(--d2d-slate);margin-top:-.4rem}
.byline a{color:var(--d2d-steel);font-weight:600}

/* pill list / feature list */
.checklist{list-style:none;padding:0;max-width:60ch}
.checklist li{position:relative;padding-left:1.9rem;margin:.7rem 0}
.checklist li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:12px;border-radius:3px;background:var(--d2d-grad-money)}

/* two-col content */
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.stack-lg>*+*{margin-top:2rem}

/* utility */
.eyebrow-list{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;list-style:none;padding:0;margin:.5rem 0 0;font-size:.9rem;color:var(--d2d-slate)}
.note{font-size:.85rem;color:var(--d2d-slate)}
.label-tag{display:inline-block;font-size:.75rem;font-weight:600;color:var(--d2d-slate);background:var(--d2d-paper-dim);border:1px solid var(--d2d-line);border-radius:999px;padding:.25rem .7rem;margin-bottom:1rem}

/* ---- Forms ---------------------------------------------------------------*/
.form{max-width:560px;display:grid;gap:1.1rem}
.form .field label{display:block;font-weight:600;font-size:.95rem;margin-bottom:.35rem}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:1rem;padding:.75rem .85rem;border:1px solid var(--d2d-line);border-radius:10px;background:#fff;color:var(--d2d-ink)}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--d2d-steel);outline:2px solid var(--d2d-steel);outline-offset:1px}
.form textarea{min-height:110px;resize:vertical}
.form .req{color:var(--d2d-amber-ink)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form-note{font-size:.85rem;color:var(--d2d-slate);margin:0}
.form-status{padding:.9rem 1.1rem;border-radius:10px;font-weight:600;display:none}
.form-status.show{display:block}
.form-status.ok{background:#e9f9ef;color:#0f7a3d;border:1px solid #bfe8cd}
.form-status.err{background:#fdecec;color:#a12626;border:1px solid #f4c9c9}
.gate-card{max-width:560px;background:var(--d2d-paper-dim);border:1px solid var(--d2d-line);border-radius:var(--radius-lg);padding:1.6rem}
@media (max-width:560px){.form-row{grid-template-columns:1fr}}

/* ---- Steps ---------------------------------------------------------------*/
.steps{display:grid;gap:1.25rem;counter-reset:step;max-width:var(--measure)}
.step{display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:start}
.step .num{width:2.2rem;height:2.2rem;flex:none;border-radius:50%;background:var(--d2d-grad-money);color:#fff;font-family:var(--font-heading);font-weight:800;display:grid;place-items:center}
.step h3{margin:.2rem 0 .2rem;font-size:1.15rem}
.step p{margin:0;color:var(--d2d-slate)}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;background:var(--d2d-amber);color:var(--d2d-midnight);padding:.6rem 1rem;font-weight:700;z-index:100}
.skip:focus{left:8px;top:8px}

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:2rem}
  .pillar-rail{border-left:0;border-top:1px solid var(--d2d-line-dark);padding-left:0;padding-top:1.5rem;text-align:left}
  .grid-3{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:1.5rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media (max-width:680px){
  body{font-size:17px}
  .grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  /* backdrop-filter on the header would become the containing block for the
     position:fixed mobile menu — drop it so the overlay covers the viewport */
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav{display:none}
  .nav.open{display:block;position:fixed;inset:66px 0 0;background:var(--d2d-midnight-deep);margin:0;overflow:auto;padding:1.5rem 24px}
  .nav.open>ul{flex-direction:column;align-items:stretch;gap:.25rem}
  .nav.open .has-sub>button{padding:.8rem 0}
  .nav.open .submenu{opacity:1;visibility:visible;position:static;transform:none;background:transparent;border:0;box-shadow:none;min-width:0;padding:0 0 .5rem 1rem}
  .nav.open a{display:block;padding:.8rem 0;font-size:1.05rem}
  .nav.open .btn-primary{margin-top:1rem;justify-content:center;padding:.9rem 1rem}
  .nav-toggle{display:inline-flex;flex-direction:column;gap:5px;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
  .nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px}
}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}