/* Bundle Vault BD — shared stylesheet (category pages). Kept in sync with index.html inline CSS. */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --primary:#6366F1;
  --primary-dark:#4F46E5;
  --primary-soft:#EEF2FF;
  --ink:#1E1B4B;
  --ink-soft:#4B4A6B;
  --bg:#FAFAFF;
  --surface:#FFFFFF;
  --border:#E2E4F5;
  --green:#16A34A;
  --green-dark:#15803D;
  --amber:#F59E0B;
  --pink:#EC4899;
  --cyan:#0891B2;
  --violet:#8B5CF6;
  --orange:#EA580C;
  --font-display:'Space Grotesk','Hind Siliguri',sans-serif;
  --font-body:'DM Sans','Hind Siliguri',sans-serif;
  --shadow-card:0 1px 2px rgba(30,27,75,.05),0 8px 24px rgba(99,102,241,.07);
  --shadow-lift:0 4px 12px rgba(30,27,75,.08),0 16px 40px rgba(99,102,241,.14);
  --radius:16px;
  --nav-bg:rgba(250,250,255,.85);
  --wa-border:#BBE5C8;
  --wa-hover:#F0FDF4;
  --tag-green-bg:#F0FDF4;
  --check-bg:#DCFCE7;
  --check-fg:#15803D;
  --notice-bg:#FFFBEB;
  --notice-border:#FDE68A;
  --notice-text:#78350F;
  --notice-strong:#B45309;
}

:root[data-theme="dark"]{
  --primary-soft:#1C1D3A;
  --ink:#EDEEFF;
  --ink-soft:#A2A5C7;
  --bg:#0F1020;
  --surface:#181A2F;
  --border:#2B2D4D;
  --shadow-card:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  --shadow-lift:0 4px 12px rgba(0,0,0,.35),0 16px 44px rgba(99,102,241,.2);
  --nav-bg:rgba(15,16,32,.85);
  --wa-border:#1E4630;
  --wa-hover:#122A1C;
  --tag-green-bg:#122A1C;
  --check-bg:#14351F;
  --check-fg:#4ADE80;
  --notice-bg:#241D07;
  --notice-border:#4A3B10;
  --notice-text:#FCD34D;
  --notice-strong:#F59E0B;
}

html{scroll-behavior:smooth}

body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .3s ease, color .3s ease;
}

img,svg{display:block;max-width:100%}
a{color:inherit}
.ic{width:22px;height:22px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* theme toggle */
.nav-right{display:flex;align-items:center;gap:.7rem}
.theme-toggle{
  width:40px;height:40px;border-radius:10px;flex-shrink:0;
  border:1.5px solid var(--border);background:var(--surface);color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;
}
.theme-toggle:hover{border-color:var(--primary);color:var(--primary)}
.theme-toggle svg{width:18px;height:18px}
:root[data-theme="light"] .theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:none}

/* ===== NAV ===== */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:.85rem 2rem;
  background:var(--nav-bg);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-logo{display:flex;align-items:center;gap:.6rem;font-family:'Outfit','Hind Siliguri',sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.nav-logo .mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center}
.nav-logo .mark svg{width:36px;height:36px}
.nav-logo .bv{color:var(--primary)}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-size:.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--green);color:#fff;
  padding:.6rem 1.25rem;border-radius:10px;
  font-weight:700;font-size:.88rem;text-decoration:none;
  transition:transform .15s, box-shadow .2s, background .2s;
  box-shadow:0 4px 14px rgba(22,163,74,.3);
  cursor:pointer;
}
.nav-cta:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 8px 22px rgba(22,163,74,.35)}
.nav-cta svg{width:16px;height:16px}

/* ===== DROPDOWN (desktop) ===== */
.nav-links .dropdown{position:relative}
.drop-btn{
  display:inline-flex;align-items:center;gap:.35rem;
  background:none;border:none;cursor:pointer;padding:0;
  color:var(--ink-soft);font-size:.92rem;font-weight:500;font-family:var(--font-body);
  transition:color .2s;
}
.drop-btn svg{width:14px;height:14px;transition:transform .25s}
.dropdown:hover .drop-btn,.dropdown:focus-within .drop-btn{color:var(--primary)}
.dropdown:hover .drop-btn svg,.dropdown:focus-within .drop-btn svg{transform:rotate(180deg)}
.dropdown-menu{
  position:absolute;top:100%;left:-1rem;padding-top:.9rem;z-index:110;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-inner{
  background:var(--surface);border:1.5px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-lift);padding:.55rem;min-width:260px;
}
.dropdown-inner a{
  display:block;padding:.6rem .85rem;border-radius:9px;
  font-size:.9rem;color:var(--ink);text-decoration:none;
  transition:background .15s,color .15s;
}
.dropdown-inner a:hover{background:var(--primary-soft);color:var(--primary)}
.dropdown-inner .all-link{margin-top:.35rem;border-top:1px solid var(--border);border-radius:0;color:var(--primary);font-weight:700;padding-top:.7rem}

/* ===== HAMBURGER + MOBILE MENU ===== */
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;flex-shrink:0;
  border:1.5px solid var(--border);background:var(--surface);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;transition:all .2s;
}
.menu-btn:hover{border-color:var(--primary);color:var(--primary)}
.menu-btn svg{width:20px;height:20px}
.menu-btn .close-ic{display:none}
.menu-btn.active .burger-ic{display:none}
.menu-btn.active .close-ic{display:block}
.mobile-menu{
  display:none;position:fixed;top:63px;left:0;right:0;z-index:99;
  background:var(--surface);border-bottom:1.5px solid var(--border);
  box-shadow:var(--shadow-lift);padding:.9rem 1.2rem 1.3rem;
  max-height:calc(100dvh - 63px);overflow-y:auto;
}
.mobile-menu.open{display:block}
.mobile-menu a{
  display:block;padding:.8rem .6rem;border-radius:10px;min-height:44px;
  text-decoration:none;color:var(--ink);font-weight:600;font-size:.98rem;
}
.mobile-menu a:hover,.mobile-menu a:active{background:var(--primary-soft);color:var(--primary)}
.mm-label{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin:.9rem .6rem .3rem}
.mm-divider{height:1px;background:var(--border);margin:.6rem 0}

@media (max-width:900px){
  .nav-links{display:none}
  .menu-btn{display:flex}
}

/* ===== BUTTONS ===== */
.btn-primary{
  display:inline-flex;align-items:center;gap:.55rem;
  background:var(--primary);color:#fff;
  padding:.95rem 2rem;border-radius:12px;font-weight:700;font-size:1rem;
  text-decoration:none;transition:transform .15s, box-shadow .2s, background .2s;
  box-shadow:0 6px 20px rgba(99,102,241,.35);
  cursor:pointer;
}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 28px rgba(99,102,241,.45)}
.btn-whatsapp{
  display:inline-flex;align-items:center;gap:.55rem;
  background:var(--surface);color:var(--check-fg);
  border:1.5px solid var(--wa-border);
  padding:.95rem 1.7rem;border-radius:12px;font-weight:700;font-size:1rem;
  text-decoration:none;transition:all .2s;cursor:pointer;
}
.btn-whatsapp:hover{background:var(--wa-hover);border-color:var(--green);transform:translateY(-2px)}
.btn-whatsapp svg{width:18px;height:18px}

/* ===== SECTIONS ===== */
section{padding:5.5rem 1.5rem}
.container{max-width:1100px;margin:0 auto}
.section-head{max-width:720px;margin:0 auto 3rem}
.section-head.center{text-align:center}
.section-label{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.76rem;font-weight:700;letter-spacing:.13em;color:var(--primary);
  text-transform:uppercase;margin-bottom:.9rem;
  background:var(--primary-soft);padding:.35rem .9rem;border-radius:100px;
}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;color:var(--ink);
  line-height:1.22;margin-bottom:.9rem;letter-spacing:-.015em;
}
.section-sub{color:var(--ink-soft);font-size:1.02rem}
.alt-bg{background:var(--primary-soft)}

/* ===== PRICE / PACK CARDS ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:1.4rem;align-items:start}
.price-card{
  background:var(--surface);border:1.5px solid var(--border);border-radius:20px;
  padding:2.1rem 1.8rem;position:relative;box-shadow:var(--shadow-card);
  transition:transform .2s, box-shadow .2s;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift)}
.price-card.featured{border:2px solid var(--primary);box-shadow:0 12px 44px rgba(99,102,241,.18)}
.price-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--primary);color:#fff;font-size:.72rem;font-weight:800;
  padding:.35rem 1.1rem;border-radius:100px;letter-spacing:.06em;white-space:nowrap;
  box-shadow:0 4px 12px rgba(99,102,241,.4);
}
.price-tier{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.55rem;font-family:var(--font-display);color:var(--primary)}
.price-amount{font-family:var(--font-display);font-size:2.8rem;font-weight:700;color:var(--ink);line-height:1;margin-bottom:.35rem;font-variant-numeric:tabular-nums}
.price-amount span{font-size:.95rem;font-weight:500;color:var(--ink-soft);font-family:var(--font-body)}
.price-desc{font-size:.89rem;color:var(--ink-soft);margin-bottom:1.4rem}
.check{width:19px;height:19px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:.18rem;background:var(--check-bg);color:var(--check-fg)}
.check svg{width:11px;height:11px;stroke:currentColor;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.btn-buy{
  display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;
  padding:.95rem;border-radius:12px;font-weight:700;font-size:.97rem;text-decoration:none;transition:all .2s;
  border:1.5px solid var(--border);color:var(--ink);background:var(--surface);cursor:pointer;
}
.btn-buy:hover{border-color:var(--primary);color:var(--primary)}
.btn-buy.main{background:var(--green);color:#fff;border-color:var(--green);box-shadow:0 6px 18px rgba(22,163,74,.3)}
.btn-buy.main:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 10px 26px rgba(22,163,74,.38)}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:.75rem;max-width:760px;margin:0 auto}
.faq-item{background:var(--surface);border:1.5px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:var(--primary)}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;padding:1.15rem 1.4rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  color:var(--ink);font-size:.98rem;font-weight:600;text-align:left;
  font-family:var(--font-display);
}
.faq-q:hover{color:var(--primary)}
.faq-arrow{color:var(--ink-soft);transition:transform .3s;flex-shrink:0;width:18px;height:18px}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;font-size:.92rem;color:var(--ink-soft);padding:0 1.4rem;line-height:1.75}
.faq-item.open .faq-a{max-height:280px;padding:0 1.4rem 1.2rem}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary)}

/* ===== CTA ===== */
.cta-section{padding:5.5rem 1.5rem}
.cta-box{
  max-width:900px;margin:0 auto;text-align:center;
  background:linear-gradient(125deg, var(--primary) 0%, var(--violet) 55%, var(--pink) 120%);
  border-radius:26px;padding:4rem 2rem;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 20px 60px rgba(99,102,241,.35);
}
.cta-box::before{
  content:'';position:absolute;top:-40%;right:-15%;width:400px;height:400px;border-radius:50%;
  background:rgba(255,255,255,.09);pointer-events:none;
}
.cta-title{font-family:var(--font-display);font-size:clamp(1.8rem,4.4vw,2.8rem);font-weight:700;margin-bottom:.8rem;line-height:1.22;position:relative}
.cta-sub{font-size:1.02rem;margin-bottom:2rem;opacity:.92;position:relative}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;position:relative}
.btn-white{
  display:inline-flex;align-items:center;gap:.55rem;
  background:#fff;color:var(--primary-dark);
  padding:.95rem 2.1rem;border-radius:12px;font-weight:700;font-size:1rem;
  text-decoration:none;transition:transform .15s, box-shadow .2s;cursor:pointer;
  box-shadow:0 6px 20px rgba(0,0,0,.15);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.22)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:.55rem;
  background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.4);
  padding:.95rem 1.8rem;border-radius:12px;font-weight:700;font-size:1rem;
  text-decoration:none;transition:all .2s;cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-ghost svg{width:18px;height:18px}

/* ===== FOOTER ===== */
footer{padding:3rem 1.5rem 2rem;border-top:1px solid var(--border);background:var(--surface)}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem;align-items:flex-start}
.footer-logo{display:flex;align-items:center;gap:.55rem;font-family:'Outfit','Hind Siliguri',sans-serif;font-weight:800;color:var(--ink);margin-bottom:.7rem}
.footer-logo .mark{width:30px;height:30px;display:flex;align-items:center;justify-content:center}
.footer-logo .mark svg{width:30px;height:30px}
.footer-text{font-size:.86rem;color:var(--ink-soft);max-width:330px}
.footer-col h4{font-family:var(--font-display);font-size:.9rem;color:var(--ink);margin-bottom:.8rem}
.footer-col a{display:block;font-size:.86rem;color:var(--ink-soft);text-decoration:none;margin-bottom:.55rem;transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{max-width:1100px;margin:2rem auto 0;padding-top:1.4rem;border-top:1px solid var(--border);font-size:.8rem;color:var(--ink-soft);text-align:center}

/* ===== FLOATING WHATSAPP ===== */
.float-wa{
  position:fixed;bottom:1.4rem;right:1.4rem;z-index:200;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,.45);text-decoration:none;
  transition:transform .2s;
}
.float-wa:hover{transform:scale(1.07)}
.float-wa svg{width:28px;height:28px;color:#fff}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .55s ease, transform .55s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ===== CATEGORY SUBPAGES ===== */
.page-hero{
  padding:8rem 1.5rem 3.5rem;
  background:
    radial-gradient(ellipse 55% 45% at 18% 8%, rgba(99,102,241,.13) 0%, transparent 60%),
    radial-gradient(ellipse 45% 40% at 85% 20%, rgba(236,72,153,.1) 0%, transparent 60%),
    var(--bg);
}
.page-hero .container{max-width:820px}
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:1.1rem}
.breadcrumb a{color:var(--primary);text-decoration:none;font-weight:600}
.breadcrumb a:hover{text-decoration:underline}
.page-hero h1{
  font-family:var(--font-display);
  font-size:clamp(2rem,4.6vw,3rem);font-weight:700;line-height:1.2;
  letter-spacing:-.02em;color:var(--ink);margin-bottom:1rem;
}
.page-lead{font-size:1.08rem;color:var(--ink-soft);margin-bottom:1.8rem;max-width:680px}
.page-actions{display:flex;gap:.9rem;flex-wrap:wrap}
.narrow{max-width:820px;margin:0 auto}
.feature-list{list-style:none;max-width:720px}
.feature-list li{display:flex;align-items:flex-start;gap:.65rem;padding:.55rem 0;font-size:1rem;border-bottom:1px solid var(--border)}
.feature-list li:last-child{border-bottom:none}
.prose p{color:var(--ink-soft);margin-bottom:1rem;max-width:720px}
.prose strong{color:var(--ink)}
.cat-link{display:inline-flex;margin-top:.8rem;font-size:.86rem;font-weight:700;color:var(--primary);text-decoration:none}
.cat-link:hover{text-decoration:underline}

@media (max-width:640px){
  nav{padding:.7rem .9rem}
  .nav-links{display:none}
  .nav-logo{font-size:.95rem;gap:.4rem}
  .nav-logo .mark,.nav-logo .mark svg{width:30px;height:30px}
  .nav-right{gap:.45rem}
  .nav-cta{font-size:0;gap:0;padding:.65rem;border-radius:10px}
  .nav-cta svg{width:18px;height:18px}
  .menu-btn,.theme-toggle{width:38px;height:38px}
  section{padding:3.5rem 1.2rem}
  .page-hero{padding:7rem 1.2rem 2.5rem}
  .footer-inner{flex-direction:column}
  .cta-box{padding:3rem 1.4rem}
}