:root{
  --bg:#0f172a;
  --text:#0b1220;
  --muted:#6b7280;
  --brand1:#7C3AED; /* purple */
  --brand2:#EC4899; /* pink */
  --accent:#22c55e; /* green for CTA */
  --surface:#ffffff;
  --shadow: 0 10px 30px rgba(2,8,23,0.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:#fff}
img{max-width:100%;display:block}

.container{width:min(1200px, 94%);margin-inline:auto}

.site-header{position:sticky;top:0;background:#fff;z-index:50;box-shadow:0 1px 0 rgba(2,8,23,.06)}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:.5rem;align-items:center;font-weight:700;color:#0b1220;text-decoration:none}
.site-header nav a{margin-left:18px;text-decoration:none;color:#374151;font-weight:500;padding:8px 10px;border-radius:10px}
.site-header nav a:hover,.site-header nav a.active{background:linear-gradient(90deg,var(--brand1),var(--brand2));color:white}

.hero{
  background: linear-gradient(90deg, var(--brand1), var(--brand2));
  color:#fff;
  padding:100px 0 120px;
  text-align:center;
}
.hero h1{font-size:clamp(28px,4vw,48px);margin:0 0 10px}
.hero p{opacity:.95}

.section{padding:60px 0}
.section h2{font-size:clamp(24px,3vw,38px);text-align:center;margin:0 0 30px}

.grid{display:grid;gap:26px}
.grid.cards{grid-template-columns:repeat(4,1fr)}
@media (max-width:1100px){.grid.cards{grid-template-columns:repeat(3,1fr)}}
@media (max-width:790px){.grid.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.grid.cards{grid-template-columns:1fr}}

.card{
  background:#fff;border-radius:20px;box-shadow:var(--shadow);overflow:hidden;transition:transform .25s ease, box-shadow .25s ease
}
.card:hover{transform:translateY(-4px); box-shadow:0 16px 36px rgba(2,8,23,.15)}
.card .meta{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-top:1px solid rgba(2,8,23,.06)}
.card .title{font-weight:600}
.icon-btn{background:transparent;border:0;cursor:pointer;font-size:20px;line-height:1}

.center{display:flex;justify-content:center;margin-top:22px}
.button{background:linear-gradient(90deg,var(--brand1),var(--brand2));color:#fff;border:0;padding:12px 18px;border-radius:999px;font-weight:600;cursor:pointer;box-shadow:var(--shadow)}
.button:disabled{opacity:.6;cursor:not-allowed}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:960px){.features{grid-template-columns:1fr}}
.feature{background:#fff;padding:30px;border-radius:20px;box-shadow:var(--shadow);text-align:center}
.feature .emoji{font-size:28px;margin-bottom:14px;color:var(--brand1)}

.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:960px){.testimonials{grid-template-columns:1fr}}
.testimonial{background:#fff;padding:24px;border-radius:20px;box-shadow:var(--shadow);font-style:italic}
.testimonial .name{margin-top:10px;color:var(--brand1);font-weight:700}

.footer{background:#0b1220;color:#e5e7eb;margin-top:60px;padding:50px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:26px}
@media (max-width:960px){.footer-grid{grid-template-columns:1fr}}
.footer a{color:#e0e7ff;text-decoration:none}
.footer .newsletter{display:flex; flex-direction:column; gap:10px}
.footer input{padding:10px;border-radius:10px;border:1px solid #334155;background:#111827;color:#e5e7eb}
.footer button{padding:10px;border-radius:999px;border:0;background:linear-gradient(90deg,var(--brand1),var(--brand2));color:#fff;font-weight:600}
.copyright{margin-top:18px;border-top:1px solid #1f2937;padding-top:18px;font-size:14px;color:#93a3b8}

.whatsapp{position:fixed;right:18px;bottom:18px;background:#25D366;color:#fff;border-radius:999px;padding:12px 14px;text-decoration:none;font-weight:700;box-shadow:var(--shadow);z-index:40}
.back-to-top{position:fixed;right:18px;bottom:74px;border:0;border-radius:50%;padding:10px 12px;background:#f4f4f5;box-shadow:var(--shadow);cursor:pointer}

.modal{position:fixed;inset:0;background:rgba(2,8,23,.7);display:none;align-items:center;justify-content:center;padding:20px;z-index:60}
.modal.open{display:flex}
.modal .dialog{background:#fff;border-radius:18px;max-width:900px;width:min(900px, 96%);box-shadow:var(--shadow);overflow:hidden}
.modal .content{display:grid;grid-template-columns:1.2fr .8fr}
@media (max-width:820px){.modal .content{grid-template-columns:1fr}}
.modal .img{background:#111}
.modal .img img{width:100%;height:100%;object-fit:cover}
.modal .body{padding:20px}
.modal .close{position:absolute;top:10px;right:10px;background:#111827;color:#fff;border:0;border-radius:50%;width:34px;height:34px;cursor:pointer}
.buy{background:var(--accent);color:#fff;border:0;padding:12px 16px;border-radius:12px;font-weight:700}

.list{list-style:none;padding-left:0;margin:0}
.list li{margin:8px 0}

.icon{display:inline-flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:#111827;color:#fff;font-weight:700;text-decoration:none}
.icon-fb::after{content:'f'}
.icon-ig::after{content:'◎'}
.icon-yt::after{content:'▶'}