/* ============================================================
   BJJMath — Global Stylesheet
   Design system derived directly from the BJJMath Brand Kit.
   Colors, type roles, and components match the brand sheet.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* Brand palette */
  --mat-black:#111111;
  --gi-white:#F7F4ED;
  --belt-blue:#2563EB;
  --advantage-gold:#F5B841;
  --submission-red:#E23D3D;
  --slate-tape:#64748B;
  --recovery-green:#22A06B;

  /* Derived surfaces (light) */
  --paper:#FBFAF6;          /* page background, warm off-white */
  --paper-2:#F2EFE6;        /* alt light band */
  --ink:#15161A;            /* primary text on light */
  --ink-soft:#454953;       /* secondary text on light */
  --line:#E4E0D5;           /* hairline on light */
  --card-light:#FFFFFF;

  /* Derived surfaces (dark) */
  --night:#0C0D10;          /* deepest */
  --night-2:#121419;        /* dark section */
  --card-dark:#16181F;      /* card on dark */
  --card-dark-2:#1C1F28;    /* nested field on dark */
  --line-dark:rgba(247,244,237,.10);
  --line-dark-2:rgba(247,244,237,.16);
  --on-dark:#F7F4ED;
  --on-dark-soft:#9AA3B2;

  --blue-ink:#1D4FD7;       /* darker blue for text on white (AA) */
  --blue-soft:rgba(37,99,235,.10);
  --green-soft:rgba(34,160,107,.12);
  --red-soft:rgba(226,61,61,.12);
  --gold-soft:rgba(245,184,65,.16);

  /* Type */
  --f-display:'Sora',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',monospace;

  /* Layout */
  --container:1180px;
  --gutter:clamp(1.1rem,4vw,2.5rem);
  --radius:12px;
  --radius-sm:9px;
  --radius-lg:18px;

  --shadow-sm:0 1px 2px rgba(17,17,17,.05),0 2px 8px rgba(17,17,17,.04);
  --shadow:0 10px 30px -12px rgba(17,17,17,.18);
  --shadow-dark:0 24px 60px -24px rgba(0,0,0,.7);

  --t:.22s cubic-bezier(.2,.7,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--f-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
:focus-visible{outline:3px solid var(--belt-blue);outline-offset:2px;border-radius:4px}
::selection{background:var(--belt-blue);color:#fff}

/* ---------- Layout primitives ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(3.2rem,7vw,6rem)}
.section--tight{padding-block:clamp(2.4rem,5vw,4rem)}
.band-light{background:var(--paper)}
.band-alt{background:var(--paper-2)}
.band-dark{background:var(--night-2);color:var(--on-dark)}
.band-night{background:var(--night);color:var(--on-dark)}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;line-height:1.05;letter-spacing:-.02em}
.h1,h1{font-size:clamp(2.5rem,6vw,4.4rem)}
.h2,h2{font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.08}
.h3,h3{font-size:clamp(1.2rem,2.2vw,1.5rem);letter-spacing:-.01em}
h4{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}
p{max-width:68ch}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--ink-soft)}
.band-dark .lead,.band-night .lead{color:var(--on-dark-soft)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.eyebrow{
  font-family:var(--f-display);font-weight:700;
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--belt-blue);display:inline-flex;align-items:center;gap:.55rem;
}
.eyebrow::before{content:"";width:1.6rem;height:2px;background:var(--belt-blue);display:inline-block}
.muted{color:var(--ink-soft)}
.band-dark .muted,.band-night .muted{color:var(--on-dark-soft)}
.center{text-align:center}
.measure{max-width:62ch}
.measure-center{max-width:60ch;margin-inline:auto}
.accent{color:var(--belt-blue)}

/* ---------- Buttons (per brand sheet) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--f-display);font-weight:700;font-size:.97rem;
  padding:.82rem 1.35rem;border-radius:10px;border:1.5px solid transparent;
  transition:transform var(--t),background var(--t),border-color var(--t),box-shadow var(--t);
  min-height:48px;line-height:1;letter-spacing:-.01em;
}
.btn:active{transform:translateY(1px)}
.btn .arrow{transition:transform var(--t)}
.btn:hover .arrow{transform:translateX(3px)}
.btn-primary{background:var(--belt-blue);color:#fff;box-shadow:0 6px 18px -6px rgba(37,99,235,.55)}
.btn-primary:hover{background:#1d57e0;box-shadow:0 10px 26px -8px rgba(37,99,235,.6)}
.btn-secondary{background:var(--mat-black);color:var(--gi-white)}
.btn-secondary:hover{background:#26262b}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--gi-white)}
.band-dark .btn-outline,.band-night .btn-outline{border-color:var(--line-dark-2);color:var(--on-dark)}
.band-dark .btn-outline:hover,.band-night .btn-outline:hover{background:var(--gi-white);color:var(--mat-black);border-color:var(--gi-white)}
.btn-ghost{padding-inline:0;color:var(--belt-blue);min-height:auto}
.btn-ghost:hover{color:#1d57e0}
.btn-block{width:100%}
.btn-lg{padding:1rem 1.6rem;font-size:1.02rem}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,13,16,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-dark);color:var(--on-dark)}
.nav{display:flex;align-items:center;gap:1.5rem;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-display);font-weight:800;font-size:1.3rem;letter-spacing:-.02em;color:var(--gi-white)}
.brand .mark{width:30px;height:30px;color:var(--gi-white);flex:none}
.brand b{font-weight:800}
.brand .b-blue{color:var(--belt-blue)}
.brand .tld{font-size:.7rem;color:var(--on-dark-soft);font-weight:600;align-self:flex-start;margin-top:.18rem}
.nav-links{display:flex;align-items:center;gap:.35rem;margin-left:1rem}
.nav-links a,.nav-trigger{
  font-family:var(--f-display);font-weight:600;font-size:.92rem;color:var(--on-dark);
  padding:.55rem .7rem;border-radius:8px;display:inline-flex;align-items:center;gap:.3rem;transition:background var(--t),color var(--t)}
.nav-links a:hover,.nav-trigger:hover{background:rgba(247,244,237,.07);color:#fff}
.nav-links a[aria-current="page"]{color:var(--belt-blue)}
.nav-spacer{flex:1}
.has-menu{position:relative}
.nav-menu{
  position:absolute;top:calc(100% + 8px);left:0;min-width:300px;
  background:var(--card-dark);border:1px solid var(--line-dark-2);border-radius:14px;
  padding:.5rem;box-shadow:var(--shadow-dark);display:none;flex-direction:column;gap:2px}
.has-menu[data-open="true"] .nav-menu{display:flex}
.nav-menu a{display:flex;gap:.7rem;align-items:flex-start;padding:.6rem .7rem;border-radius:9px}
.nav-menu a:hover{background:rgba(247,244,237,.06)}
.nav-menu .nm-ic{width:30px;height:30px;flex:none;color:var(--belt-blue);background:var(--blue-soft);border-radius:7px;display:grid;place-items:center}
.nav-menu .nm-ic svg{width:18px;height:18px}
.nav-menu .nm-t{font-family:var(--f-display);font-weight:600;font-size:.9rem;color:var(--on-dark)}
.nav-menu .nm-d{font-size:.78rem;color:var(--on-dark-soft);line-height:1.35}
.nav-trigger .caret{width:12px;height:12px;transition:transform var(--t)}
.has-menu[data-open="true"] .caret{transform:rotate(180deg)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:9px;align-items:center;justify-content:center;color:var(--on-dark)}
.nav-toggle:hover{background:rgba(247,244,237,.08)}

@media (max-width:1000px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--night);border-bottom:1px solid var(--line-dark);
    margin:0;padding:.5rem var(--gutter) 1.2rem;max-height:calc(100vh - 68px);overflow:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity var(--t),transform var(--t)}
  .nav[data-open="true"] .nav-links{transform:none;opacity:1;pointer-events:auto}
  .nav-links a,.nav-trigger{padding:.85rem .4rem;font-size:1.05rem;width:100%}
  .nav-menu{position:static;border:none;box-shadow:none;background:transparent;padding:.2rem 0 .4rem .6rem;min-width:0}
  .nav-menu a{padding:.55rem .3rem}
  .nav-spacer{display:none}
  .nav-mobile-cta{display:block;margin-top:.8rem}
}
@media (min-width:1001px){.nav-mobile-cta{display:none}}

/* ---------- Trust badges (brand sheet) ---------- */
.trust-row{display:flex;flex-wrap:wrap;gap:.5rem .7rem;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.5rem .8rem;border-radius:999px;border:1px solid var(--line-dark);
  background:rgba(247,244,237,.04);font-size:.78rem;font-weight:600;font-family:var(--f-display);
  color:var(--on-dark);letter-spacing:.01em}
.badge svg{width:18px;height:18px;flex:none}
.badge--gold svg{color:var(--advantage-gold)}
.badge--green svg{color:var(--recovery-green)}
.badge--blue svg{color:var(--belt-blue)}
.badge--white svg{color:var(--gi-white)}
/* light variant */
.band-light .badge,.band-alt .badge{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}

/* ---------- Calculator card (the signature object) ---------- */
.calc-card{
  background:var(--card-dark);border:1px solid var(--line-dark-2);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-dark);overflow:hidden;color:var(--on-dark)}
.calc-card__head{display:flex;align-items:center;gap:.7rem;padding:1.05rem 1.25rem;border-bottom:1px solid var(--line-dark)}
.calc-card__ic{width:34px;height:34px;border-radius:9px;background:var(--belt-blue);color:#fff;display:grid;place-items:center;flex:none}
.calc-card__ic svg{width:20px;height:20px}
.calc-card__title{font-family:var(--f-display);font-weight:700;font-size:1.02rem}
.calc-card__body{padding:1.1rem 1.25rem 1.25rem}
.calc-card__foot{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.85rem 1.25rem;border-top:1px solid var(--line-dark);font-size:.82rem;color:var(--on-dark-soft)}
.calc-card__foot a{color:var(--belt-blue);font-weight:600;font-family:var(--f-display);display:inline-flex;gap:.3rem;align-items:center}

/* Form fields */
.field{margin-bottom:.95rem}
.field:last-child{margin-bottom:0}
.field label,.field-label{display:block;font-size:.82rem;font-weight:600;color:var(--on-dark-soft);margin-bottom:.4rem;font-family:var(--f-display)}
.input,.select{
  width:100%;background:var(--card-dark-2);border:1.5px solid var(--line-dark-2);border-radius:10px;
  color:var(--on-dark);padding:.78rem .9rem;font-size:1rem;transition:border-color var(--t),box-shadow var(--t);
  font-variant-numeric:tabular-nums}
.input:focus,.select:focus{outline:none;border-color:var(--belt-blue);box-shadow:0 0 0 3px var(--blue-soft)}
.input::placeholder{color:#5d6473}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239AA3B2' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .85rem center;padding-right:2.4rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.field-row-3{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
@media(max-width:420px){.field-row,.field-row-3{grid-template-columns:1fr}}

/* segmented toggle */
.seg{display:inline-flex;background:var(--card-dark-2);border:1.5px solid var(--line-dark-2);border-radius:10px;padding:3px;gap:3px;width:100%}
.seg button{flex:1;padding:.55rem .4rem;border-radius:7px;font-family:var(--f-display);font-weight:600;font-size:.9rem;color:var(--on-dark-soft);transition:all var(--t)}
.seg button[aria-pressed="true"]{background:var(--belt-blue);color:#fff}
.unit-toggle{display:inline-flex;background:var(--card-dark-2);border:1px solid var(--line-dark-2);border-radius:8px;padding:2px}
.unit-toggle button{padding:.3rem .65rem;border-radius:6px;font-size:.8rem;font-weight:600;font-family:var(--f-mono);color:var(--on-dark-soft)}
.unit-toggle button[aria-pressed="true"]{background:var(--belt-blue);color:#fff}

/* result block inside calc */
.result{margin-top:1.1rem;border-top:1px dashed var(--line-dark-2);padding-top:1rem}
.result-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.32rem 0}
.result-row .k{color:var(--on-dark-soft);font-size:.9rem}
.result-row .v{font-family:var(--f-mono);font-weight:500;font-size:.98rem}
.result-headline{font-family:var(--f-display);font-weight:800;font-size:clamp(1.6rem,3.2vw,2.1rem);color:var(--belt-blue);line-height:1.1;letter-spacing:-.02em}
.result-sub{color:var(--on-dark-soft);font-size:.86rem;margin-top:.15rem}
.result-note{display:flex;gap:.6rem;align-items:flex-start;margin-top:.85rem;padding:.7rem .8rem;border-radius:10px;font-size:.84rem;line-height:1.45}
.result-note svg{width:18px;height:18px;flex:none;margin-top:.1rem}
.note--warn{background:var(--gold-soft);color:#f1c779}
.note--danger{background:var(--red-soft);color:#f0908f}
.note--ok{background:var(--green-soft);color:#5cc99a}
.note--info{background:var(--blue-soft);color:#7aa2f0}

/* ---------- Chips (brand sheet score/event chips) ---------- */
.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.34rem .6rem;border-radius:8px;
  font-family:var(--f-mono);font-weight:700;font-size:.82rem;line-height:1}
.chip svg{width:14px;height:14px}
.chip--blue{background:var(--blue-soft);color:#7aa2f0}
.chip--red{background:var(--red-soft);color:#f0908f}
.chip--green{background:var(--green-soft);color:#5cc99a}
.chip--gold{background:var(--gold-soft);color:#f1c779}
.chip--time{background:var(--card-dark-2);color:var(--on-dark);border:1px solid var(--line-dark-2)}
.chip--neutral{background:rgba(247,244,237,.06);color:var(--on-dark-soft)}
.band-light .chip--neutral,.band-alt .chip--neutral{background:var(--paper-2);color:var(--ink-soft)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--night);color:var(--on-dark);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(120% 80% at 78% 8%,rgba(37,99,235,.22),transparent 55%),var(--night)}
.hero__photo{position:absolute;inset:0;z-index:-3;background-size:cover;background-position:center;opacity:.16;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);mask-image:linear-gradient(90deg,transparent,#000 60%)}
.hero__grid{position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(247,244,237,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(247,244,237,.035) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 30% 30%,#000,transparent 75%);mask-image:radial-gradient(circle at 30% 30%,#000,transparent 75%)}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,4vw,3.4rem);align-items:center;
  padding-block:clamp(2.8rem,6vw,5rem)}
.hero h1{margin:.9rem 0 1.1rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:.7rem;margin:1.4rem 0 1.7rem}
.hero__proof{display:flex;align-items:center;gap:.4rem;border-left:2px solid var(--belt-blue);padding-left:.8rem;color:var(--on-dark-soft);font-size:.92rem;max-width:46ch}
@media(max-width:880px){
  .hero__inner{grid-template-columns:1fr;gap:2rem}
  .hero__photo{-webkit-mask-image:linear-gradient(180deg,transparent,#000 70%);mask-image:linear-gradient(180deg,transparent,#000 70%);opacity:.12}
}

/* ---------- Generic cards / grids ---------- */
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:var(--card-light);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
a.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d8d3c4}
.card .c-ic{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;background:var(--blue-soft);color:var(--belt-blue);margin-bottom:1rem}
.card .c-ic svg{width:26px;height:26px}
.card h3{margin-bottom:.4rem}
.card p{font-size:.92rem;color:var(--ink-soft)}
.card .c-link{margin-top:.9rem;font-family:var(--f-display);font-weight:700;font-size:.9rem;color:var(--belt-blue);display:inline-flex;gap:.35rem;align-items:center}

/* numbered calc tiles */
.calc-tile{position:relative;display:flex;flex-direction:column;background:var(--card-light);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.3rem 1.15rem;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.calc-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d8d3c4}
.calc-tile__top{display:flex;align-items:flex-start;gap:.7rem;margin-bottom:.7rem}
.calc-tile__num{font-family:var(--f-mono);font-weight:700;font-size:.78rem;color:#fff;background:var(--belt-blue);min-width:22px;height:22px;padding:0 .3rem;border-radius:6px;display:grid;place-items:center;flex:none}
.calc-tile__ic{width:34px;height:34px;border-radius:8px;background:var(--blue-soft);color:var(--belt-blue);display:grid;place-items:center;flex:none}
.calc-tile__ic svg{width:20px;height:20px}
.calc-tile h3{font-size:1.02rem;margin-bottom:.3rem}
.calc-tile p{font-size:.86rem;color:var(--ink-soft);flex:1}
.calc-tile .c-link{margin-top:.8rem;font-family:var(--f-display);font-weight:700;font-size:.85rem;color:var(--belt-blue);display:inline-flex;gap:.3rem;align-items:center}
.cat-gear .calc-tile__ic{background:var(--gold-soft);color:#b07d11}
.cat-gear .calc-tile__num{background:var(--advantage-gold);color:#3a2a00}
.cat-gear .c-link{color:#b07d11}
.cat-health .calc-tile__ic{background:var(--green-soft);color:var(--recovery-green)}
.cat-health .calc-tile__num{background:var(--recovery-green)}
.cat-health .c-link{color:var(--recovery-green)}

/* feature pillars (dark) */
.pillar .p-ic{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;margin-bottom:.8rem;background:rgba(247,244,237,.05);border:1px solid var(--line-dark)}
.pillar .p-ic svg{width:24px;height:24px}
.pillar h4{margin-bottom:.35rem;color:var(--on-dark)}
.pillar p{font-size:.86rem;color:var(--on-dark-soft)}
.p-ic--blue{color:var(--belt-blue)} .p-ic--green{color:var(--recovery-green)}
.p-ic--gold{color:var(--advantage-gold)} .p-ic--white{color:var(--gi-white)}

/* tabs */
.tabs{display:inline-flex;gap:.25rem;background:var(--paper-2);border:1px solid var(--line);border-radius:11px;padding:4px;flex-wrap:wrap}
.tabs button{padding:.5rem .9rem;border-radius:8px;font-family:var(--f-display);font-weight:600;font-size:.88rem;color:var(--ink-soft);transition:all var(--t)}
.tabs button[aria-selected="true"]{background:#fff;color:var(--belt-blue);box-shadow:var(--shadow-sm)}

/* checklist */
.checklist{list-style:none;padding:0;display:grid;gap:.6rem}
.checklist li{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem}
.checklist svg{width:20px;height:20px;color:var(--belt-blue);flex:none;margin-top:.12rem}

/* section header helper */
.sec-head{max-width:60ch}
.sec-head.center{margin-inline:auto}
.sec-head .h2{margin:.6rem 0 .5rem}

/* split heading + content */
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(1.6rem,4vw,3.5rem);align-items:start}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:1.6rem}}

/* ---------- Newsletter band ---------- */
.news{position:relative;overflow:hidden;background:var(--night)}
.news__photo{position:absolute;inset:0;background-size:cover;background-position:center right;opacity:.28;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent,#000)}
.news__inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:2.5rem;align-items:center}
.news h2{color:var(--on-dark)}
.news-form{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.1rem}
.news-form .input{flex:1;min-width:0;background:rgba(247,244,237,.07);border-color:var(--line-dark-2)}
.news-form .btn{flex:none}
.news-fine{font-size:.78rem;color:var(--on-dark-soft);margin-top:.7rem;display:flex;gap:.4rem;align-items:center}
.news-fine svg{width:15px;height:15px;color:var(--recovery-green)}
.form-msg{margin-top:.7rem;font-size:.9rem;font-weight:600;display:none}
.form-msg.show{display:block}
.form-msg.ok{color:var(--recovery-green)}
.form-msg.err{color:#f0908f}
@media(max-width:760px){.news__inner{grid-template-columns:1fr}.news__photo{opacity:.16}}

/* ---------- Footer ---------- */
.site-footer{background:var(--night);color:var(--on-dark);padding-block:3rem 1.6rem;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.6fr;gap:2rem}
.foot-brand .brand{margin-bottom:.7rem}
.foot-brand p{font-size:.86rem;color:var(--on-dark-soft);max-width:32ch}
.foot-social{display:flex;gap:.5rem;margin-top:1rem}
.foot-social a{width:36px;height:36px;border-radius:9px;border:1px solid var(--line-dark);display:grid;place-items:center;color:var(--on-dark-soft);transition:all var(--t)}
.foot-social a:hover{color:#fff;border-color:var(--belt-blue);background:var(--blue-soft)}
.foot-social svg{width:18px;height:18px}
.foot-col h5{font-family:var(--f-display);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-soft);margin-bottom:.8rem;font-weight:700}
.foot-col ul{list-style:none;padding:0;display:grid;gap:.5rem}
.foot-col a{font-size:.88rem;color:var(--on-dark);opacity:.85;transition:opacity var(--t),color var(--t)}
.foot-col a:hover{opacity:1;color:var(--belt-blue)}
.foot-note{font-size:.74rem;color:var(--on-dark-soft);line-height:1.55;background:var(--card-dark);border:1px solid var(--line-dark);border-radius:11px;padding:.9rem 1rem}
.foot-bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;margin-top:2.2rem;padding-top:1.3rem;border-top:1px solid var(--line-dark);font-size:.8rem;color:var(--on-dark-soft)}
.foot-bar a{color:var(--on-dark-soft)}.foot-bar a:hover{color:var(--belt-blue)}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}.foot-note{grid-column:1/-1}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}

/* ---------- Article / content pages ---------- */
.page-head{background:var(--night-2);color:var(--on-dark);padding-block:clamp(2.6rem,6vw,4.2rem) clamp(2rem,4vw,3rem);border-bottom:1px solid var(--line-dark)}
.breadcrumb{font-size:.82rem;color:var(--on-dark-soft);margin-bottom:1rem;display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.breadcrumb a{color:var(--on-dark-soft)}.breadcrumb a:hover{color:var(--belt-blue)}
.breadcrumb .sep{opacity:.4}
.prose{max-width:72ch}
.prose>*+*{margin-top:1.1rem}
.prose h2{font-size:clamp(1.5rem,3vw,2rem);margin-top:2.4rem}
.prose h3{font-size:1.25rem;margin-top:1.8rem}
.prose p,.prose li{color:var(--ink);font-size:1.04rem;line-height:1.72}
.prose ul,.prose ol{padding-left:1.3rem;display:grid;gap:.5rem}
.prose a{color:var(--blue-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}
.prose a:hover{text-decoration-thickness:2.5px}
.prose strong{font-weight:700}
.prose blockquote{border-left:3px solid var(--belt-blue);padding:.4rem 0 .4rem 1.1rem;color:var(--ink-soft);font-style:italic}
.prose code{font-family:var(--f-mono);background:var(--paper-2);padding:.1rem .35rem;border-radius:5px;font-size:.9em}
.prose .lead{font-size:1.15rem}

/* callout / source box */
.callout{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:1.1rem 1.2rem;display:flex;gap:.8rem;box-shadow:var(--shadow-sm)}
.callout svg{width:22px;height:22px;flex:none;margin-top:.1rem;color:var(--belt-blue)}
.callout--warn{background:#fffaf0;border-color:#f0e0bd}.callout--warn svg{color:#c98a08}
.callout h4{margin-bottom:.3rem}
.callout p{font-size:.92rem;color:var(--ink-soft);margin:0}

/* data table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.92rem;min-width:420px}
table.data th,table.data td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid var(--line)}
table.data thead th{background:var(--mat-black);color:var(--gi-white);font-family:var(--f-display);font-weight:600;font-size:.82rem;letter-spacing:.02em}
table.data tbody tr:nth-child(even){background:var(--paper-2)}
table.data td.num,table.data th.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right}
table.data tr.hl{background:var(--blue-soft)!important}
table.data tr.hl td{font-weight:700;color:var(--blue-ink)}

/* affiliate recommendation block */
.affil{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,#fff,var(--paper));padding:1.2rem;box-shadow:var(--shadow-sm)}
.affil .tag{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-tape);font-family:var(--f-display)}
.affil h4{margin:.45rem 0 .35rem}
.affil p{font-size:.88rem;color:var(--ink-soft);margin-bottom:.8rem}
.affil-list{display:grid;gap:.55rem}
.affil-item{display:flex;justify-content:space-between;align-items:center;gap:.8rem;padding:.65rem .8rem;border:1px solid var(--line);border-radius:9px;background:#fff;transition:border-color var(--t),box-shadow var(--t)}
.affil-item:hover{border-color:var(--belt-blue);box-shadow:0 0 0 3px var(--blue-soft)}
.affil-item .ai-name{font-family:var(--f-display);font-weight:600;font-size:.92rem}
.affil-item .ai-meta{font-size:.78rem;color:var(--ink-soft)}
.affil-item .ai-go{font-family:var(--f-display);font-weight:700;font-size:.84rem;color:var(--belt-blue);white-space:nowrap;display:inline-flex;gap:.3rem;align-items:center}
.affil-fine{font-size:.72rem;color:var(--slate-tape);margin-top:.7rem}

/* calculator page layout */
.calc-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(1.4rem,3vw,2.6rem);align-items:start}
@media(max-width:900px){.calc-layout{grid-template-columns:1fr}}
.calc-aside{display:grid;gap:1.1rem;position:sticky;top:88px}
@media(max-width:900px){.calc-aside{position:static}}

/* status pill */
.status{display:inline-flex;align-items:center;gap:.45rem;font-size:.78rem;font-weight:600;font-family:var(--f-display);padding:.35rem .7rem;border-radius:999px}
.status svg{width:14px;height:14px}
.status--review{background:var(--gold-soft);color:#b07d11;border:1px solid #f0e0bd}
.status--verified{background:var(--green-soft);color:#177a4f;border:1px solid #b9e3cf}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:11px;background:#fff;padding:0;margin-bottom:.7rem;box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:1rem 1.1rem;font-family:var(--f-display);font-weight:600;font-size:1rem;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pl{width:20px;height:20px;flex:none;transition:transform var(--t);color:var(--belt-blue)}
.faq details[open] summary .pl{transform:rotate(45deg)}
.faq .faq-body{padding:0 1.1rem 1.1rem;color:var(--ink-soft);font-size:.95rem;line-height:1.65}

/* misc utilities */
.stack{display:grid}
.stack-sm{gap:.5rem}.stack-md{gap:1rem}.stack-lg{gap:1.6rem}
.flex{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.6rem}.mt-4{margin-top:2.2rem}
.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.6rem}
.hide{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.tag-pill{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-family:var(--f-display);color:var(--belt-blue);background:var(--blue-soft);padding:.25rem .55rem;border-radius:6px}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--belt-blue);color:#fff;padding:.7rem 1rem;border-radius:0 0 8px 0;font-weight:700}
.skip-link:focus{left:0}

/* ---- footer refinements (5-col + fine print) ---- */
.foot-grid{grid-template-columns:1.8fr 1fr 1fr 1fr 1fr}
@media(max-width:980px){.foot-grid{grid-template-columns:1fr 1fr 1fr}.foot-brand{grid-column:1/-1}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:380px){.foot-grid{grid-template-columns:1fr}}
.foot-fine{margin-top:2.2rem;padding-top:1.3rem;border-top:1px solid var(--line-dark);font-size:.76rem;line-height:1.6;color:var(--on-dark-soft);max-width:none}
.foot-fine a{color:var(--on-dark-soft);text-decoration:underline;text-underline-offset:2px}
.foot-fine a:hover{color:var(--belt-blue)}

/* ---- affiliate item meta + related calculators + misc content ---- */
.affil-item .ai-note{display:block;font-size:.78rem;color:var(--ink-soft);margin-top:.1rem}
.affil-item .ai-go{display:inline-flex;align-items:center;gap:.25rem;font-family:var(--f-display);font-weight:600;font-size:.82rem;color:var(--belt-blue);white-space:nowrap}
.affil-item .ai-go svg{width:15px;height:15px}
.related{margin-top:2.6rem;border-top:1px solid var(--line);padding-top:1.6rem}
.rel-h{font-size:1.15rem;margin-bottom:1rem}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem}
@media(max-width:760px){.rel-grid{grid-template-columns:1fr}}
.calc-rel{display:flex;flex-direction:column;gap:.5rem;padding:1rem}
.calc-rel .calc-tile__ic{width:34px;height:34px}
.calc-rel .cr-t{font-family:var(--f-display);font-weight:600;font-size:.98rem;color:var(--ink)}
.calc-rel .cr-d{font-size:.84rem;color:var(--ink-soft)}
.calc-rel:hover{border-color:var(--belt-blue);box-shadow:0 0 0 3px var(--blue-soft)}
.calc-mount{min-height:60px}
.page-head .container{position:relative}
.page-head h1{margin:.4rem 0 .8rem}
.page-head .lead{color:var(--on-dark-soft);max-width:60ch}
.page-head .trust-row{margin-top:1.1rem}
.page-head .status{margin-top:1.1rem}

/* ---- homepage-specific components ---- */
.display-contents{display:contents}
.hero__tool{position:relative}
.hero-tool-label{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--f-display);font-weight:600;font-size:.78rem;color:var(--on-dark-soft);margin-bottom:.6rem;letter-spacing:.02em}
.hero-tool-label .dot{width:8px;height:8px;border-radius:50%;background:var(--recovery-green);box-shadow:0 0 0 3px var(--green-soft);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@media (prefers-reduced-motion:reduce){.hero-tool-label .dot{animation:none}}
.tab-wrap{margin-top:1.4rem}
.calc-grid{margin-top:1.2rem}
.stat-card{display:flex;flex-direction:column;gap:.3rem;padding:1.3rem}
.stat-card .stat-n{font-size:clamp(1.8rem,5vw,2.6rem);font-weight:700;color:var(--belt-blue);line-height:1}
.stat-card .stat-l{font-size:.86rem;color:var(--ink-soft)}
.news-aside{display:grid;place-items:center}
.news-ticket{width:100%;max-width:300px;background:var(--card-dark);border:1px solid var(--line-dark-2);border-radius:16px;padding:1.2rem 1.3rem;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.news-ticket .nt-top{display:flex;justify-content:space-between;font-family:var(--f-display);font-weight:700;font-size:.8rem;color:var(--on-dark-soft);letter-spacing:.08em;border-bottom:1px dashed var(--line-dark-2);padding-bottom:.7rem}
.news-ticket .nt-big{font-size:1.7rem;font-weight:700;color:var(--advantage-gold);letter-spacing:.04em;margin:.8rem 0 .9rem}
.news-ticket .nt-list{list-style:none;padding:0;display:grid;gap:.55rem}
.news-ticket .nt-list li{font-size:.86rem;color:var(--on-dark);padding-left:1.3rem;position:relative}
.news-ticket .nt-list li::before{content:"";position:absolute;left:0;top:.45rem;width:7px;height:7px;border-radius:2px;background:var(--belt-blue)}
@media(max-width:760px){.news-aside{display:none}}

/* ---- calculator page content ---- */
.calc-main{min-width:0}
.calc-prose{max-width:none}
.calc-prose h2{font-size:clamp(1.35rem,2.6vw,1.8rem)}
.src-card{background:var(--card-light);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow-sm)}
.src-card .src-h{display:flex;align-items:center;gap:.5rem;font-size:1.02rem;margin-bottom:.5rem}
.src-card .src-h svg{width:18px;height:18px;color:var(--belt-blue);flex:none}
.src-card p{font-size:.88rem;color:var(--ink-soft);margin-bottom:.9rem;line-height:1.6}
.table-figure{margin:1.6rem 0}
.table-cap{font-family:var(--f-display);font-weight:600;font-size:.9rem;color:var(--ink-soft);margin-bottom:.6rem}
.cat-block + .cat-block{margin-top:2.8rem}
.affil-fine{font-size:.72rem;color:var(--slate-tape);margin-top:.8rem;line-height:1.5}

/* ---- methodology page ---- */
.method-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:clamp(1.6rem,4vw,3rem);align-items:start}
@media(max-width:900px){.method-layout{grid-template-columns:1fr}}
.method-toc{position:sticky;top:88px}
@media(max-width:900px){.method-toc{position:static}}
.method-toc h3{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.7rem}
.toc-nav{display:grid;gap:.15rem;border-left:2px solid var(--line);padding-left:.9rem}
.toc-nav a{font-size:.9rem;color:var(--ink-soft);padding:.28rem 0;transition:color var(--t)}
.toc-nav a:hover{color:var(--belt-blue)}
.method-sec{padding-top:1.4rem;margin-top:1.4rem;border-top:1px solid var(--line)}
.method-sec:first-of-type{border-top:0;margin-top:0;padding-top:0}
.method-sec__head{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem 1rem;margin-bottom:.6rem}
.method-sec__head h2{margin:0!important;font-size:clamp(1.3rem,2.6vw,1.7rem)}
.method-sec[id]{scroll-margin-top:88px}
.refs{margin-top:1.1rem;background:var(--paper-2);border:1px solid var(--line);border-radius:11px;padding:1rem 1.1rem}
.refs h4{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.5rem}
.refs ul{list-style:none;padding:0;display:grid;gap:.5rem;margin:0!important}
.refs li{font-size:.86rem;color:var(--ink-soft);line-height:1.55;padding-left:1.1rem;position:relative}
.refs li::before{content:"";position:absolute;left:0;top:.55rem;width:6px;height:6px;border-radius:50%;background:var(--belt-blue)}

/* ---- blog ---- */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--belt-blue)}
.post-card__body{padding:1.3rem 1.4rem 1.4rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.post-card__cat{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-family:var(--f-display);color:var(--belt-blue)}
.post-card h3{font-size:1.18rem;line-height:1.3;margin:0}
.post-card h3 a{color:var(--ink);text-decoration:none}
.post-card h3 a:hover{color:var(--blue-ink)}
.post-card p{font-size:.92rem;color:var(--ink-soft);line-height:1.6;margin:0;flex:1}
.post-meta{display:flex;gap:.6rem;align-items:center;font-size:.78rem;color:var(--slate-tape);font-family:var(--f-mono);margin-top:.3rem}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--slate-tape)}
.article{max-width:760px;margin:0 auto}
.article-head{margin-bottom:1.8rem}
.article-head .byline{display:flex;gap:.6rem;align-items:center;font-size:.84rem;color:var(--slate-tape);font-family:var(--f-mono);margin-top:1rem}
.article-cta{margin-top:2.4rem;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.4rem}
.article-cta h4{margin:0 0 .4rem;font-size:1.1rem}
.article-cta p{margin:0 0 .9rem;font-size:.94rem;color:var(--ink-soft)}