/* SmartKitly — Ente Auth inspired light theme. Friendly, rounded, minimal. Mobile-first. */
:root{
  --bg:#f4f4f5;
  --bg-soft:#fafafa;
  --surface:#ffffff;
  --border:#e4e4e7;
  --text:#18181b;
  --muted:#6b7280;
  --purple:#8a00e6;
  --purple-dark:#6f00b8;
  --purple-light:#c084fc;
  --purple-tint:#f3e8ff;
  --purple-tint-soft:#faf5ff;
  --radius:24px;
  --shadow:0 10px 34px rgba(24,24,27,.07);
  --shadow-lg:0 24px 60px rgba(138,0,230,.16);
  --font:"Plus Jakarta Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--purple);color:#fff}
a{color:var(--purple);text-decoration:none;font-weight:600}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
.container{width:min(1140px,92%);margin:0 auto}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  background:rgba(255,255,255,.85);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.3rem;color:var(--text);letter-spacing:-.3px}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-mark defs stop:first-child{stop-color:var(--purple)}
.brand-mark defs stop:last-child{stop-color:var(--purple-light)}
.brand span{text-transform:lowercase}
.nav-links{display:flex;gap:1.4rem;align-items:center}
.nav-links a{color:var(--muted);font-weight:600;font-size:.95rem}
.nav-links a:hover,.nav-links a.active{color:var(--purple);text-decoration:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.9rem;border-radius:999px;font-weight:700;font-size:.95rem;font-family:inherit;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  color:#fff;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--purple);box-shadow:0 10px 26px rgba(138,0,230,.32)}
.btn-primary:hover{background:var(--purple-dark)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple)}
.btn-white{background:#fff;color:var(--purple);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.btn-white:hover{background:var(--purple-tint-soft)}
.btn-lime{background:var(--purple);box-shadow:0 10px 26px rgba(138,0,230,.32)}
.btn-lime:hover{background:var(--purple-dark)}
.btn-sm{padding:.6rem 1.3rem;font-size:.85rem}
.hamburger{display:none;background:#fff;border:1px solid var(--border);border-radius:12px;padding:.5rem .7rem;cursor:pointer;color:var(--text);font-size:1.1rem}

/* ---------- hero (split, Ente-style) ---------- */
.hero{position:relative;overflow:hidden;padding:4.5rem 0}
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.9}
.hero-split{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:1.6rem;align-items:stretch}
.hero-panel{
  background:linear-gradient(135deg,#9a1ff2 0%,var(--purple) 55%,var(--purple-dark) 100%);
  border-radius:28px;padding:3rem;color:#fff;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;justify-content:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;
  font-size:.78rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:#fff;background:rgba(255,255,255,.18);
  padding:.45rem 1.1rem;border-radius:999px;margin-bottom:1.4rem;
}
.hero-panel h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.1;font-weight:800;letter-spacing:-1px;margin-bottom:.4rem;color:#fff}
.check-list{list-style:none;display:grid;gap:.95rem;margin-top:1.6rem}
.check-list li{display:flex;align-items:center;gap:.85rem;font-weight:500;font-size:1.02rem;color:#fff}
.check-list li b{font-weight:800}
.check-list li::before{
  content:"";width:28px;height:28px;flex:none;border-radius:50%;
  background-color:rgba(255,255,255,.22);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 12.5l5 5L19.5 7'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:14px;
}
.hero-side{
  background:var(--surface);border:1px solid var(--border);border-radius:28px;
  padding:3rem;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center;
}
p.lead{font-size:clamp(1rem,2.2vw,1.18rem);color:var(--muted);margin-bottom:1.8rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}

/* ---------- sections ---------- */
section{padding:4.5rem 0}
.sec-head{max-width:640px;margin-bottom:2.6rem}
.sec-head h2{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800;letter-spacing:-.5px;margin-bottom:.6rem}
.sec-head h1{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800;letter-spacing:-.5px;margin-bottom:.6rem}
.sec-head p{color:var(--muted)}
.kicker{color:var(--purple);font-weight:800;font-size:.8rem;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:.6rem;display:block}

/* cards */
.grid{display:grid;gap:1.4rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:1.8rem;position:relative;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  box-shadow:0 2px 10px rgba(24,24,27,.04);
}
.card:hover{transform:translateY(-6px);border-color:var(--purple-light);box-shadow:var(--shadow-lg)}
.card .icon-tile{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--purple-tint);margin-bottom:1.1rem;
}
.card .icon-tile svg{width:26px;height:26px;stroke:var(--purple)}
.card h3{font-size:1.15rem;margin-bottom:.5rem;font-weight:700}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:1rem}
.card .go{font-weight:700;font-size:.9rem;color:var(--purple)}
.card-link{color:inherit;display:block;font-weight:400}
.card-link:hover{text-decoration:none}

/* product cards */
.product{display:flex;flex-direction:column}
.product-visual{
  height:170px;border-radius:18px;margin-bottom:1.2rem;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);
}
.product-visual svg{width:64px;height:64px;stroke:var(--purple);filter:drop-shadow(0 8px 16px rgba(138,0,230,.18))}
.pv-1{background:radial-gradient(circle at 30% 20%,#f5e9ff,#e4c9ff 75%)}
.pv-2{background:radial-gradient(circle at 70% 30%,#f7e6ff,#e9c8fb 75%)}
.pv-3{background:radial-gradient(circle at 30% 70%,#f3e8ff,#dcc0fa 75%)}
.pv-4{background:radial-gradient(circle at 70% 70%,#f9efff,#eccdfd 75%)}
.product .count-badge{
  position:absolute;top:.8rem;right:.8rem;background:#fff;border:1px solid var(--border);
  font-size:.75rem;font-weight:700;padding:.3rem .8rem;border-radius:999px;color:var(--purple);
  box-shadow:0 2px 8px rgba(24,24,27,.06);
}
.product ul{list-style:none;margin:.4rem 0 1.2rem;display:grid;gap:.55rem}
.product ul li{color:var(--muted);font-size:.9rem;padding-left:2rem;position:relative}
.product ul li::before{
  content:"";position:absolute;left:0;top:.15em;width:1.25em;height:1.25em;border-radius:50%;
  background-color:var(--purple-tint);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a00e6' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 12.5l5 5L19.5 7'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:.7em;
}
.price-row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:1rem;border-top:1px dashed var(--border)}
.price{font-size:1.5rem;font-weight:800;color:var(--text)}
.price small{font-size:.78rem;color:var(--muted);font-weight:600;display:block}
.price .soon{font-size:1rem;color:var(--purple)}

/* ---------- calculator ---------- */
.calc-wrap{max-width:680px;margin:0 auto}
.calc{
  background:var(--surface);
  border:1px solid var(--border);border-radius:28px;padding:2.2rem;box-shadow:var(--shadow);
  max-width:680px;margin:0 auto;
}
.field{margin-bottom:1.2rem}
.field label{display:block;font-weight:700;margin-bottom:.5rem;font-size:.95rem}
.field .hint{font-size:.82rem;color:var(--muted);font-weight:400}
input[type="number"],input[type="date"],input[type="text"],select{
  width:100%;padding:.9rem 1.4rem;border-radius:999px;font-size:1rem;font-family:inherit;
  background:#fff;border:1.5px solid var(--border);color:var(--text);outline:none;
  transition:border-color .15s ease,box-shadow .15s ease;
}
textarea{
  width:100%;padding:1rem 1.4rem;border-radius:20px;font-size:1rem;font-family:inherit;
  background:#fff;border:1.5px solid var(--border);color:var(--text);outline:none;min-height:150px;resize:vertical;
  transition:border-color .15s ease,box-shadow .15s ease;
}
input:focus,select:focus,textarea:focus{border-color:var(--purple);box-shadow:0 0 0 4px rgba(138,0,230,.12)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.result{
  margin-top:1.6rem;border-radius:20px;padding:1.4rem 1.6rem;
  background:var(--purple-tint-soft);border:1px solid #e9d5ff;
  display:none;
}
.result.show{display:block;animation:pop .25s ease}
@keyframes pop{from{transform:scale(.97);opacity:0}to{transform:scale(1);opacity:1}}
.result .big{font-size:2rem;font-weight:800;color:var(--purple-dark)}
.result .row{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px dashed var(--border);font-size:.95rem}
.result .row:last-child{border-bottom:none}
.result .row span:first-child{color:var(--muted)}
.result .row b{color:var(--text)}
.badge{display:inline-block;padding:.25rem .9rem;border-radius:999px;font-size:.8rem;font-weight:700}
.badge.ok{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}
.badge.warn{background:#fffbeb;color:#d97706;border:1px solid #fde68a}
.badge.bad{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.error-msg{color:#dc2626;font-size:.88rem;margin-top:.6rem;display:none}
.howto{margin-top:2.5rem;color:var(--muted);font-size:.95rem;max-width:680px;margin-left:auto;margin-right:auto}
.howto h3{color:var(--text);margin-bottom:.6rem;font-size:1.1rem}
.howto ol{padding-left:1.3rem;display:grid;gap:.4rem}

/* ---------- misc ---------- */
.cta-band{
  background:linear-gradient(135deg,#9a1ff2 0%,var(--purple) 55%,var(--purple-dark) 100%);
  border-radius:28px;padding:3.2rem 2rem;text-align:center;color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(1.6rem,4vw,2.4rem);margin-bottom:.8rem;color:#fff;font-weight:800;letter-spacing:-.5px}
.cta-band p{color:rgba(255,255,255,.85);margin-bottom:1.8rem;max-width:36rem;margin-left:auto;margin-right:auto}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.breadcrumb a{color:var(--muted)}
footer{border-top:1px solid var(--border);padding:3rem 0 2rem;margin-top:2rem;background:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.foot-grid h4{margin-bottom:.8rem;font-size:.95rem}
.foot-grid ul{list-style:none;display:grid;gap:.45rem}
.foot-grid ul a{color:var(--muted);font-size:.9rem;font-weight:500}
.foot-grid ul a:hover{color:var(--purple)}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--muted);font-size:.85rem;border-top:1px solid var(--border);padding-top:1.4rem}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow)}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-split{grid-template-columns:1fr}
  .hero-panel,.hero-side{padding:2.2rem}
}
@media(max-width:640px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--border);padding:1rem 4%;box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .hamburger{display:block}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  section{padding:3rem 0}
  .hero{padding:3rem 0}
  .calc{padding:1.6rem}
  .foot-grid{grid-template-columns:1fr}
}