/* =========================================================
   Rizzitgo Spreadsheet — Brand stylesheet (light theme)
   Loaded globally via header.htm. Defines brand tokens,
   header/nav, footer, and shared UI primitives.
   Brand: lime #CEFA05 (from logo) + ink #0a0a0a on white.
   ========================================================= */

:root{
  --rz-lime:#cefa05;
  --rz-lime-600:#b6df00;
  --rz-lime-soft:#f2ffb8;
  --rz-lime-tint:rgba(206,250,5,.14);
  --rz-ink:#0a0a0a;
  --rz-ink-2:#171717;
  --rz-body:#2b2f33;
  --rz-muted:#6b7280;
  --rz-line:#e8eaed;
  --rz-bg:#ffffff;
  --rz-bg-soft:#f6f7f4;
  --rz-bg-soft-2:#eef1ea;
  --rz-white:#ffffff;
  --rz-radius:18px;
  --rz-radius-sm:12px;
  --rz-shadow:0 14px 40px rgba(17,24,18,.08);
  --rz-shadow-sm:0 6px 18px rgba(17,24,18,.06);
  --rz-container:1200px;
  --rz-nav-h:64px;
  --rz-font:'Poppins','Inter','Segoe UI',Arial,sans-serif;
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--rz-font);
  background:var(--rz-bg);color:var(--rz-body);
  line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--rz-ink);font-weight:800;line-height:1.18;margin:0 0 .5em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

.rz-container{max-width:var(--rz-container);margin:0 auto;padding:0 20px;width:100%}
.rz-section{padding:78px 0}
.rz-section--soft{background:var(--rz-bg-soft)}
.rz-section--ink{background:var(--rz-ink);color:#cfd3cf}
.rz-section--ink h1,.rz-section--ink h2,.rz-section--ink h3{color:#fff}

/* section heading */
.rz-head{text-align:center;max-width:720px;margin:0 auto 44px}
.rz-tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--rz-ink);background:var(--rz-lime);
  padding:6px 14px;border-radius:999px;margin-bottom:16px}
.rz-head h2{font-size:2.15rem;margin-bottom:.35em}
.rz-head p{color:var(--rz-muted);font-size:1.02rem;margin:0}
.rz-section--ink .rz-head p{color:#9aa09a}

/* buttons */
.rz-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.96rem;
  border:2px solid transparent;cursor:pointer;transition:.25s;white-space:nowrap}
.rz-btn--primary{background:var(--rz-lime);color:var(--rz-ink);border-color:var(--rz-lime)}
.rz-btn--primary:hover{background:var(--rz-lime-600);border-color:var(--rz-lime-600);transform:translateY(-2px)}
.rz-btn--dark{background:var(--rz-ink);color:#fff;border-color:var(--rz-ink)}
.rz-btn--dark:hover{background:#000;transform:translateY(-2px)}
.rz-btn--ghost{background:transparent;color:var(--rz-ink);border-color:var(--rz-ink)}
.rz-btn--ghost:hover{background:var(--rz-ink);color:#fff}
.rz-btn--lime-ghost{background:transparent;color:var(--rz-ink);border-color:var(--rz-lime)}
.rz-btn--lime-ghost:hover{background:var(--rz-lime)}

/* card */
.rz-card{background:#fff;border:1px solid var(--rz-line);border-radius:var(--rz-radius);
  box-shadow:var(--rz-shadow-sm);transition:.3s;overflow:hidden}
.rz-card:hover{transform:translateY(-5px);box-shadow:var(--rz-shadow);border-color:#d9dcd0}

/* =========================================================
   Top ad bar
   ========================================================= */
.top-ad-container{position:relative;width:100%;background:var(--rz-ink);z-index:1000}
.top-ad-container .close-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;line-height:1;border:none;z-index:2}
.top-ad-container .close-btn:hover{background:var(--rz-lime);color:var(--rz-ink)}

/* =========================================================
   Header / nav
   ========================================================= */
.glass-nav{position:sticky;top:0;z-index:980;width:100%;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--rz-line);height:var(--rz-nav-h);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:18px}
.logo-link{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-link .logo-mark{width:34px;height:34px;border-radius:9px;display:block}
.logo-link .logo-text{font-size:1.22rem;font-weight:800;color:var(--rz-ink);letter-spacing:-.01em}
.logo-link .logo-text .highlight{color:var(--rz-ink);background:var(--rz-lime);padding:0 6px;border-radius:6px;margin-left:2px}

.nav-links{display:flex;align-items:center;gap:4px;margin:0}
.nav-links>li>a{display:block;padding:9px 15px;border-radius:999px;font-weight:600;
  font-size:.95rem;color:var(--rz-ink-2)}
.nav-links>li>a:hover,.nav-links>li>a.active{background:var(--rz-bg-soft-2);color:var(--rz-ink)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-toggle{display:none;font-size:1.4rem;color:var(--rz-ink);cursor:pointer;background:none;border:none}

/* mobile nav */
.nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;visibility:hidden;
  transition:.3s;z-index:990}
body.nav-open .nav-backdrop{opacity:1;visibility:visible}
@media(max-width:900px){
  .menu-toggle{display:block}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;
    flex-direction:column;align-items:stretch;gap:6px;background:#fff;padding:84px 18px 24px;
    box-shadow:-12px 0 40px rgba(0,0,0,.18);transform:translateX(100%);transition:transform .3s;z-index:995}
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-links>li>a{padding:14px 16px;border-radius:12px;font-size:1.02rem}
  .nav-cta .rz-btn{display:none}
}

/* =========================================================
   Floating social rail
   ========================================================= */
.social-icons{position:fixed;bottom:20px;right:18px;display:flex;flex-direction:column;gap:10px;z-index:970}
.social-icons .social-icon{width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--rz-line);
  box-shadow:var(--rz-shadow-sm);display:flex;align-items:center;justify-content:center;transition:.25s}
.social-icons .social-icon img{width:24px;height:24px}
.social-icons a:hover .social-icon{transform:translateY(-3px) scale(1.06);border-color:var(--rz-lime);box-shadow:0 8px 20px rgba(206,250,5,.45)}
@media(max-width:600px){.social-icons{bottom:14px;right:12px}.social-icons .social-icon{width:42px;height:42px}}

/* =========================================================
   Footer (official-style)
   ========================================================= */
.glass-footer{background:var(--rz-ink);color:#9aa09a;padding:56px 0 30px;margin-top:0}
.rz-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;max-width:var(--rz-container);
  margin:0 auto;padding:0 20px}
.rz-foot-brand .logo-text{color:#fff;font-size:1.3rem;font-weight:800}
.rz-foot-brand .logo-text .highlight{background:var(--rz-lime);color:var(--rz-ink);padding:0 6px;border-radius:6px}
.rz-foot-brand p{margin-top:14px;font-size:.9rem;color:#878d87;max-width:320px}
.rz-foot-col h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.rz-foot-col ul li{margin-bottom:10px}
.rz-foot-col ul li a{color:#9aa09a;font-size:.92rem}
.rz-foot-col ul li a:hover{color:var(--rz-lime)}
.rz-foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.rz-foot-pay span{background:#1d211c;border:1px solid #2a2f28;border-radius:7px;padding:5px 9px;font-size:.72rem;color:#b9beb6}
.rz-foot-social{display:flex;gap:12px;margin-top:18px}
.rz-foot-social a{width:38px;height:38px;border-radius:50%;background:#1d211c;display:flex;align-items:center;justify-content:center}
.rz-foot-social a img{width:18px;height:18px}
.rz-foot-social a:hover{background:var(--rz-lime)}
.rz-foot-bottom{max-width:var(--rz-container);margin:38px auto 0;padding:24px 20px 0;border-top:1px solid #232823;
  font-size:.82rem;color:#6e746d;line-height:1.7}
.rz-foot-bottom a{color:#9aa09a}
.rz-foot-bottom a:hover{color:var(--rz-lime)}
@media(max-width:860px){.rz-foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:540px){.rz-foot-grid{grid-template-columns:1fr}}