/* ============================================================
   NeftCal — Homepage stylesheet (index.html)
   Loaded AFTER style.css. Enhances only homepage components
   while reusing the site-wide design tokens & shared classes.
   ============================================================ */

/* ---------- Fixed header (homepage only) ---------- */
body{padding-top:64px}
.navbar{position:fixed;top:0;left:0;right:0}
#categories,#popular,#why,#faq{scroll-margin-top:84px}

/* ---------- Scroll-reveal (progressive enhancement) ---------- */
.home-reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.home-reveal.revealed{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .home-reveal{opacity:1;transform:none;transition:none}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  display:flex;flex-direction:column;justify-content:center;
  /* Fixed navbar (64px) + stats bar (~54px) — hero fills the rest so hero +
     stats land in the first viewport. Falls back to natural height when content is taller. */
  min-height:calc(100dvh - 64px - 54px);
  padding:48px 0 52px;
  background:
    radial-gradient(1100px 540px at 88% -12%, rgba(249,115,22,.20), transparent 58%),
    radial-gradient(820px 480px at -6% 24%, rgba(99,102,241,.20), transparent 55%),
    linear-gradient(135deg,#0f766e 0%,#0d9488 46%,#065f46 100%);
}
.hero::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:70px;
  background:linear-gradient(180deg,transparent,rgba(15,23,42,.06));
  pointer-events:none;
}
.hero-symbols{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hs{
  position:absolute;font-family:'DM Serif Display',serif;font-weight:700;
  color:rgba(255,255,255,.10);user-select:none;line-height:1;
  animation:hsfloat 9s ease-in-out infinite;
}
.hs-1{font-size:5.5rem;top:10%;left:5%}
.hs-2{font-size:3.5rem;top:22%;left:14%;animation-delay:.8s}
.hs-3{font-size:4.5rem;top:14%;right:8%;animation-delay:1.4s}
.hs-4{font-size:3rem;top:30%;right:16%;animation-delay:.4s}
.hs-5{font-size:5rem;bottom:16%;left:9%;animation-delay:2s}
.hs-6{font-size:3.25rem;bottom:26%;right:7%;animation-delay:1s}
.hs-7{font-size:4rem;bottom:12%;left:22%;animation-delay:2.6s}
.hs-8{font-size:3.5rem;top:44%;right:30%;animation-delay:1.8s}
@keyframes hsfloat{
  0%,100%{transform:translateY(0) rotate(-5deg)}
  50%{transform:translateY(-16px) rotate(5deg)}
}
@media (prefers-reduced-motion:reduce){.hs{animation:none}}

.hero-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;width:100%}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:.8125rem;font-weight:700;letter-spacing:.04em;
  padding:7px 16px;border-radius:999px;margin-bottom:20px;backdrop-filter:blur(4px);
}
.hero h1{
  font-size:clamp(2.25rem,6vw,4rem);color:#fff;margin-bottom:16px;
  text-wrap:balance;
}
.hero-accent{
  background:linear-gradient(90deg,#fdba74,#fcd34d);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(1rem,2vw,1.15rem);color:rgba(255,255,255,.88);
  max-width:560px;margin:0 auto 24px;line-height:1.75;
}
.hero-search{max-width:560px}
.hero-search .search-input{padding-left:48px;background:#fff}
.hero-search .search-input:focus{box-shadow:0 8px 32px rgba(0,0,0,.28),0 0 0 3px rgba(255,255,255,.25)}
.search-ico{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;color:var(--text-lt);pointer-events:none;
}
.search-clear{
  position:absolute;right:112px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;border:none;cursor:pointer;
  background:var(--surface2);color:var(--text-lt);font-size:.875rem;line-height:1;
  display:none;align-items:center;justify-content:center;transition:all .2s;
}
.search-clear.show{display:inline-flex}
.search-clear:hover{background:var(--danger);color:#fff}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:18px}
.hero-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-family:'DM Sans',sans-serif;font-size:.85rem;font-weight:600;
  padding:8px 15px;border-radius:999px;cursor:pointer;transition:all .2s;backdrop-filter:blur(4px);
}
.hero-chip:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.hero-chip:active{transform:translateY(0)}

/* ---------- Category cards ---------- */
.home-categories{background:var(--surface);padding:80px 0}
.category-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  align-items:stretch;
}
.category-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--border);
  border-radius:20px;padding:26px 24px 22px;display:flex;flex-direction:column;min-width:0;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.category-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--acc),color-mix(in srgb,var(--acc) 30%,transparent));
  background:linear-gradient(90deg,var(--acc),transparent);
}
.category-card:hover{
  transform:translateY(-5px);border-color:var(--acc);
  box-shadow:0 18px 40px -12px rgba(13,148,136,.28);
  box-shadow:0 18px 40px -12px color-mix(in srgb,var(--acc) 35%,transparent);
}
.cat-card-icon{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;
  justify-content:center;font-size:1.65rem;background:var(--teal-bg);
  background:color-mix(in srgb,var(--acc) 12%,#fff);
  margin-bottom:16px;transition:transform .22s ease;
}
.category-card:hover .cat-card-icon{transform:scale(1.08) rotate(-4deg)}
.cat-card-title{font-size:1.125rem;font-weight:700;color:var(--text);margin-bottom:8px;display:block}
.cat-card-desc{font-size:.875rem;color:var(--text-lt);line-height:1.6;flex:1;margin-bottom:18px;display:block}
.cat-card-footer{display:flex;align-items:center;justify-content:space-between;gap:10px}
.cat-card-count{
  background:var(--teal-lt);
  background:color-mix(in srgb,var(--acc) 12%,#fff);
  color:var(--acc);
  font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:999px;white-space:nowrap;
}
.cc-link{color:var(--acc)}
.category-card:hover .cc-link{gap:8px}
.category-card.hidden{display:none}
@media (max-width:900px){.category-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.category-grid{grid-template-columns:1fr}}

/* ---------- Popular calculators ---------- */
.popular{padding:80px 0;background:#fff}
.popular-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.popular-chip{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:11px 19px;font-size:.9rem;font-weight:600;color:var(--text);
  box-shadow:var(--shadow-sm);transition:all .2s;cursor:pointer;
}
.popular-chip:hover{
  border-color:var(--teal);color:var(--teal);transform:translateY(-3px);
  box-shadow:0 10px 24px -10px rgba(13,148,136,.35);
}
.popular-chip .pc-emoji{font-size:1.1rem;line-height:1}

/* ---------- Why NeftCal ---------- */
.why-section{
  padding:80px 0;
  background:
    radial-gradient(720px 340px at 100% 0%, rgba(99,102,241,.08), transparent 60%),
    radial-gradient(720px 340px at 0% 100%, rgba(249,115,22,.08), transparent 60%),
    var(--teal-bg);
}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why-card{
  background:#fff;border:1px solid var(--teal-lt);border-radius:18px;
  padding:30px 22px;text-align:center;transition:all .22s ease;
}
.why-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.wc-icon{
  width:58px;height:58px;margin:0 auto 16px;border-radius:18px;
  background:linear-gradient(135deg,var(--teal-bg),#eff6ff);
  border:1px solid var(--teal-lt);
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;
}
.why-card h4{font-family:'DM Sans',sans-serif;font-size:1rem;font-weight:700;margin-bottom:8px}
.why-card p{font-size:.85rem;color:var(--text-lt);line-height:1.65}
@media (max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.why-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-section{padding:80px 0;background:var(--surface)}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{background:#fff}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  padding:64px 0;background:linear-gradient(135deg,#065f46 0%,#0d9488 60%,#0f766e 100%);
}
.cta-band::before{
  content:'';position:absolute;top:-60%;left:50%;transform:translateX(-50%);
  width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:clamp(1.6rem,4vw,2.4rem);color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.85);margin-bottom:26px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--teal-dk)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 26px -8px rgba(0,0,0,.35)}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost-light:hover{background:rgba(255,255,255,.24)}

/* ---------- Ad + misc ---------- */
.ad-container{padding:26px 0;background:var(--surface)}
.ad-label{text-align:center;font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-lt);margin-bottom:8px}
.back-to-top{
  position:fixed;right:20px;bottom:20px;z-index:1200;width:44px;height:44px;
  border-radius:50%;border:none;cursor:pointer;background:var(--teal);color:#fff;
  font-size:1.1rem;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;
}
.back-to-top.show{opacity:1;visibility:visible;transform:none}
.back-to-top:hover{background:var(--teal-dk)}
@media (prefers-reduced-motion:reduce){.back-to-top{transition:none}}