/* =====================================================================
   Catálogo Digital · Estilos públicos
   ===================================================================== */
:root{
    --brand:#6366f1;
    --brand-dark:#4f46e5;
    --brand-2:#8b5cf6;
    --ink:#0f172a;
    --ink-2:#1e293b;
    --muted:#64748b;
    --bg:#ffffff;
    --bg-soft:#f8fafc;
    --radius:16px;
    --shadow:0 10px 40px rgba(15,23,42,.08);
    --shadow-lg:0 25px 60px rgba(79,70,229,.18);
}

*{box-sizing:border-box}
body{
    font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    color:var(--ink);
    background:var(--bg);
    padding-top:76px;
    -webkit-font-smoothing:antialiased;
}
a{text-decoration:none}
.section{padding:5rem 0}
.section-soft{background:var(--bg-soft)}
.text-muted-2{color:var(--muted)}
.fw-800{font-weight:800}

.btn-brand{
    background:var(--brand);
    border:none;color:#fff;font-weight:600;
    border-radius:10px;
    transition:.2s;
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-outline-brand{
    border:1.5px solid var(--brand);color:var(--brand);font-weight:600;border-radius:10px;
}
.btn-outline-brand:hover{background:var(--brand);color:#fff}

.section-badge{
    display:inline-block;padding:.35rem 1rem;border-radius:999px;
    background:rgba(99,102,241,.1);color:var(--brand);font-weight:600;font-size:.85rem;
    margin-bottom:1rem;
}
.section-title{font-weight:800;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15}
.section-sub{color:var(--muted);font-size:1.05rem;max-width:620px}

/* ---- Navbar ---- */
.site-navbar{
    background:rgba(15,23,42,.85);
    backdrop-filter:blur(14px);
    padding:.85rem 0;
    transition:.3s;
    border-bottom:1px solid rgba(255,255,255,.06);
}
.site-navbar .nav-link{color:rgba(255,255,255,.8);font-weight:500;padding:.4rem 0}
.site-navbar .nav-link:hover,.site-navbar .nav-link.active{color:#fff}
.brand-mark{
    width:38px;height:38px;border-radius:10px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    display:grid;place-items:center;color:#fff;font-size:1.15rem;
}
.brand-text{color:#fff;font-weight:800;font-size:1.2rem}

/* ---- Hero ---- */
.hero{
    background:radial-gradient(1200px 600px at 80% -10%,rgba(139,92,246,.35),transparent),
               linear-gradient(160deg,#0f172a,#1e1b4b 70%);
    color:#fff;padding:5rem 0 6rem;position:relative;overflow:hidden;
}
.hero h1{font-weight:800;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.1}
.hero p.lead{color:rgba(255,255,255,.75);font-size:1.2rem;max-width:560px}
.hero .badge-pill{
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
    color:#fff;padding:.4rem 1rem;border-radius:999px;font-size:.85rem;font-weight:500;
}
.hero-visual{
    background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.03));
    border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:1.25rem;
    box-shadow:var(--shadow-lg);
}
.hero-book{
    aspect-ratio:4/3;border-radius:12px;overflow:hidden;
    background:linear-gradient(135deg,#e0e7ff,#fff);
    display:grid;place-items:center;color:var(--brand);
    position:relative;
}
.hero-book .pages{display:flex;height:100%;width:100%}
.hero-book .page{flex:1;background:#fff;border-right:2px solid #eef2ff;position:relative}
.hero-book .page::before{content:"";position:absolute;inset:12% 15%;background:repeating-linear-gradient(#eef2ff 0 6px,transparent 6px 16px);border-radius:4px}
.hero-stats{display:flex;gap:2rem;flex-wrap:wrap}
.hero-stats .num{font-size:1.6rem;font-weight:800}
.hero-stats .lbl{color:rgba(255,255,255,.6);font-size:.85rem}

/* ---- Feature grid ---- */
.feature-card{
    background:#fff;border:1px solid #eef2f7;border-radius:var(--radius);
    padding:1.75rem;height:100%;transition:.25s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.feature-ico{
    width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
    font-size:1.4rem;margin-bottom:1rem;color:#fff;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.feature-card h5{font-weight:700;margin-bottom:.4rem}
.feature-card p{color:var(--muted);margin:0;font-size:.95rem}

/* ---- Steps ---- */
.step-card{text-align:center;padding:1.5rem}
.step-num{
    width:56px;height:56px;border-radius:50%;margin:0 auto 1rem;
    display:grid;place-items:center;font-weight:800;font-size:1.3rem;color:#fff;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
}

/* ---- Pricing ---- */
.price-card{
    background:#fff;border:1.5px solid #eef2f7;border-radius:20px;padding:2rem;height:100%;
    transition:.25s;position:relative;
}
.price-card.featured{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:scale(1.03)}
.price-card .price{font-size:2.6rem;font-weight:800}
.price-card .price small{font-size:1rem;color:var(--muted);font-weight:500}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);
    background:var(--brand);color:#fff;padding:.3rem 1rem;border-radius:999px;font-size:.8rem;font-weight:600}
.price-features{list-style:none;padding:0;margin:1.5rem 0}
.price-features li{padding:.5rem 0;color:var(--ink-2);display:flex;gap:.6rem;align-items:center}
.price-features li i{color:var(--brand)}

/* ---- Catalog cards ---- */
.catalog-card{
    background:#fff;border:1px solid #eef2f7;border-radius:var(--radius);overflow:hidden;height:100%;transition:.25s;
}
.catalog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.catalog-cover{aspect-ratio:3/4;background:linear-gradient(135deg,#eef2ff,#e0e7ff);position:relative;overflow:hidden}
.catalog-cover img{width:100%;height:100%;object-fit:cover}
.catalog-cover .placeholder{position:absolute;inset:0;display:grid;place-items:center;color:var(--brand);font-size:2.5rem}
.catalog-card .body{padding:1rem 1.1rem}

/* ---- Testimonials ---- */
.testimonial{background:#fff;border:1px solid #eef2f7;border-radius:var(--radius);padding:1.75rem;height:100%}
.testimonial .stars{color:#f59e0b}
.avatar-circle{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:700}

/* ---- FAQ ---- */
.accordion-button:not(.collapsed){background:rgba(99,102,241,.08);color:var(--brand-dark)}
.accordion-button:focus{box-shadow:none}

/* ---- CTA ---- */
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-radius:24px;padding:3rem}

/* ---- Footer ---- */
.site-footer{background:#0f172a;color:#e2e8f0;padding:4rem 0 2rem}
.footer-title{font-weight:700;margin-bottom:1rem}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links a{color:#94a3b8;display:block;padding:.3rem 0}
.footer-links a:hover{color:#fff}
.footer-divider{border-color:rgba(255,255,255,.1);margin:2.5rem 0 1.5rem}
.social-btn{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center}
.social-btn:hover{background:var(--brand);color:#fff}

/* ---- WhatsApp float ---- */
.whatsapp-float{
    position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;
    background:#25d366;color:#fff;display:grid;place-items:center;font-size:1.6rem;z-index:1050;
    box-shadow:0 8px 24px rgba(37,211,102,.5);animation:pulse 2.5s infinite;
}
.whatsapp-float:hover{color:#fff;transform:scale(1.05)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---- Auth ---- */
.auth-wrap{min-height:100vh;display:flex;padding-top:0}
.auth-side{background:linear-gradient(160deg,#0f172a,#312e81);color:#fff;flex:1;padding:3rem;display:flex;flex-direction:column;justify-content:center}
.auth-form-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--bg-soft)}
.auth-card{width:100%;max-width:420px}

/* ---- Utilities ---- */
.rounded-2xl{border-radius:20px}
.shadow-soft{box-shadow:var(--shadow)}
@media (max-width:991px){body{padding-top:70px}.site-navbar{background:#0f172a}}