/* ============================================================
   SWASTIK ENTERPRISES — restyled to the Binance design system
   Dark near-black canvas · single yellow accent · flat surfaces
   ============================================================ */


:root{
  /* surfaces */
  --canvas:#0b0e11;        /* page floor */
  --card:#1e2329;          /* elevated cards / bands */
  --elevated:#2b3139;      /* nested / chips */
  --soft-light:#fafafa;    /* light footer */

  /* legacy names remapped to the dark system */
  --charcoal:#0b0e11;      /* dark sections -> canvas */
  --charcoal-2:#1e2329;    /* -> card */
  --offwhite:#0b0e11;      /* body bg -> canvas */
  --white:#1e2329;         /* former light surfaces -> card */

  /* accent (single) */
  --red:#FCD535;           /* Binance Yellow (primary) */
  --red-dark:#f0b90b;      /* primary active */
  --on-primary:#181a20;    /* black text on yellow */

  /* text */
  --ink:#181a20;           /* text on light (footer) */
  --body:#eaecef;          /* running text on dark */
  --white-pure:#ffffff;    /* high-contrast headlines */
  --grey:#a7adb7;          /* secondary text on dark */
  --muted:#707a8a;         /* small labels / captions */
  --muted-strong:#929aa5;

  /* lines */
  --grey-line:#2b3139;     /* hairline on dark */
  --grey-line-dark:#2b3139;
  --hairline-light:#eaecef;

  --trading-up:#0ecb81;
  --trading-down:#f6465d;

  --font-display:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-num:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --maxw:1280px;
  --gut:clamp(20px,5vw,64px);
  --sec:clamp(60px,8vw,96px);

  --r-btn:6px;--r-input:8px;--r-card:12px;--r-chip:4px;--r-pill:9999px;

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

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--canvas);color:var(--body);
  font-family:var(--font-body);font-size:16px;line-height:1.55;
  font-weight:400;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--red);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--red-dark)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.05;margin:0;letter-spacing:-.02em;color:var(--white-pure)}
p{margin:0}
::selection{background:var(--red);color:var(--on-primary)}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.sec{padding-block:var(--sec)}

/* ---------- type scale ---------- */
.display{font-size:clamp(38px,7.4vw,84px);line-height:1.05;letter-spacing:-.02em;font-weight:700}
.h2{font-size:clamp(30px,4.4vw,52px);line-height:1.08;letter-spacing:-.02em;font-weight:700}
.h3{font-size:clamp(20px,2.4vw,28px);letter-spacing:-.01em;font-weight:600}
.lead{font-size:clamp(16px,1.5vw,19px);line-height:1.55;color:var(--grey);max-width:60ch}
.eyebrow{font-family:var(--font-num);font-weight:500;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:12px}
.eyebrow.on-dark{color:var(--muted-strong)}
.secnum{font-family:var(--font-num);font-weight:600;font-size:12px;letter-spacing:.12em;color:var(--red);text-transform:uppercase}
.text-red{color:var(--red)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:14px;letter-spacing:0;padding:12px 24px;min-height:40px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;line-height:1}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-red{background:var(--red);color:var(--on-primary);border-color:var(--red)}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark);color:var(--on-primary)}
.btn-dark{background:var(--card);color:var(--white-pure);border-color:var(--card)}
.btn-dark:hover{background:var(--elevated);color:var(--white-pure)}
.btn-ghost{background:transparent;color:var(--white-pure);border-color:var(--grey-line)}
.btn-ghost:hover{border-color:var(--muted-strong);background:rgba(255,255,255,.04);color:var(--white-pure)}
.btn-ghost.on-dark{color:var(--white-pure);border-color:var(--grey-line)}
.btn-ghost.on-dark:hover{border-color:var(--muted-strong);background:rgba(255,255,255,.04);color:var(--white-pure)}
.btn-pill{border-radius:var(--r-pill);padding:14px 32px}
.link-arw{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--white-pure);display:inline-flex;align-items:center;gap:8px}
.link-arw .arw{color:var(--red);transition:transform .25s var(--ease)}
.link-arw:hover{color:var(--red)}
.link-arw:hover .arw{transform:translateX(4px)}

/* mono numeric labels — the "trading platform" number voice */
.secnum,.eyebrow,.capstrip .n,.srv-num,.proc-step .n,.proj .cat,.proj .rep,.drawer nav a .n,.svc-media .idx,.eq-card .kind{font-family:var(--font-num)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:100;background:rgba(11,14,17,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--grey-line);transition:background .3s var(--ease),border-color .3s var(--ease)}
.hdr.on-hero{background:transparent;border-color:transparent}
.brand,.nav a{color:var(--white-pure)}
.brand .mk{color:var(--white-pure)}
.burger span{background:var(--white-pure)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:.01em;line-height:1}
.brand .glyph{width:28px;height:28px;flex:none}
img.glyph{width:100px;height:78px;object-fit:contain;transform:scaleX(-1)}
.brand .mk small{display:block;font-family:var(--font-num);font-size:9px;font-weight:500;letter-spacing:.22em;color:var(--red);margin-top:3px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-family:var(--font-display);font-weight:500;font-size:14px;position:relative;padding:4px 0;white-space:nowrap;color:var(--body)}
.nav a:hover{color:var(--white-pure)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:width .25s var(--ease)}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:100%}
.nav a[aria-current="page"]{color:var(--red)}
.hdr-cta{display:flex;align-items:center;gap:14px}
.hdr-cta .btn-red{border-radius:var(--r-pill);padding:10px 22px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;display:block;transition:.25s var(--ease)}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:200;background:var(--canvas);color:var(--white-pure);transform:translateX(100%);transition:transform .38s var(--ease);display:flex;flex-direction:column;padding:26px var(--gut)}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:64px;margin:-26px calc(var(--gut) * -1) 20px;padding:0 var(--gut);border-bottom:1px solid var(--grey-line)}
.drawer-top .brand{color:var(--white-pure)}
.drawer nav{display:flex;flex-direction:column;gap:2px;margin-top:12px}
.drawer nav a{font-family:var(--font-display);font-weight:700;font-size:28px;color:var(--white-pure);padding:14px 0;border-bottom:1px solid var(--grey-line);display:flex;align-items:baseline;gap:14px;letter-spacing:-.02em}
.drawer nav a .n{font-size:12px;color:var(--red);font-weight:600;letter-spacing:.1em}
.drawer nav a[aria-current="page"]{color:var(--red)}
.drawer .btn{margin-top:26px;justify-content:center}
.x-btn{background:none;border:0;color:var(--white-pure);cursor:pointer;width:40px;height:40px;position:relative}
.x-btn::before,.x-btn::after{content:"";position:absolute;left:8px;top:19px;width:24px;height:2px;background:currentColor}
.x-btn::before{transform:rotate(45deg)}.x-btn::after{transform:rotate(-45deg)}

/* ---------- footer (light — deliberate inversion) ---------- */
.ftr{background:var(--soft-light);color:#474d57;padding-block:clamp(56px,8vw,72px) 30px}
.ftr a{color:#707a8a}
.ftr a:hover{color:var(--ink)}
.ftr h4{color:var(--ink);font-size:13px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;margin-bottom:18px}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:14px}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px}
.ftr .brand{color:var(--ink);margin-bottom:18px}
.ftr .brand .mk{color:var(--ink)}
.ftr .brand .mk small{color:#707a8a}
.ftr .brand svg path:nth-child(1){fill:var(--red)}
.ftr .brand svg path:nth-child(2),.ftr .brand svg path:nth-child(3){fill:var(--ink)}
.ftr-desc{font-size:14px;line-height:1.6;color:#707a8a;max-width:34ch}
.ftr-contact{font-size:14px;line-height:1.7;color:#474d57;font-style:normal}
.ftr-contact a{color:#474d57}.ftr-contact a:hover{color:var(--ink)}
.ftr-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--hairline-light);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#929aa5}
.ftr-bottom .gst{letter-spacing:.03em;font-family:var(--font-num)}

/* ---------- image slots ---------- */
.img-slot{background:#1e2329;color:#5c6672}
.img-slot[data-dark]{background:#181c20;color:#5c6672}
.imgcap{font-size:12px;color:var(--muted);letter-spacing:.02em;margin-top:9px;display:flex;align-items:center;gap:7px}
.imgcap::before{content:"";width:14px;height:1px;background:var(--red)}

.rule{height:1px;background:var(--grey-line);border:0;margin:0}
.rule-dark{height:1px;background:var(--grey-line);border:0;margin:0}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}

/* ---------- mobile sticky bar ---------- */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;grid-template-columns:1fr 1fr;gap:0;background:var(--card);border-top:1px solid var(--grey-line)}
.mbar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px;font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--white-pure)}
.mbar a:first-child{border-right:1px solid var(--grey-line)}
.mbar a.q{background:var(--red);color:var(--on-primary)}

@media (max-width:1024px){
  .nav,.hdr-cta .btn{display:none}
  .burger{display:flex}
  .mbar{display:grid}
  body{padding-bottom:54px}
}
@media (max-width:900px){
  .ftr-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:560px){
  .ftr-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  .btn,.link-arw,.img-slot{transition:none !important}
}