/* ====== Reset mínimo ====== */
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; line-height:1.5; color:#111;}
img{max-width:100%; height:auto; display:block}
a{color:inherit; text-decoration:none}

/* ====== Utilidades ====== */
.kb-container{max-width:1280px;margin:0 auto;padding:0 20px}
.kb-section{padding:64px 0}
.kb-section--muted{background:#f4f5f7}
.kb-section__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}

/* ====== Header / Nav ====== */
.kb-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee;z-index:20}
.kb-header__bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.kb-logo{font-weight:700;letter-spacing:.5px}
.kb-menu{list-style:none;display:flex;gap:20px;margin:0;padding:0}
.kb-menu a{padding:8px 6px;border-radius:8px}
.kb-menu a.active{background:#111;color:#fff}
.kb-nav-toggle{display:none;gap:4px;border:0;background:transparent;padding:8px}
.kb-nav-toggle span{display:block;width:24px;height:2px;background:#111}

/* mobile panel */
.kb-nav--mobile{background:#fff;border-bottom:1px solid #eee}
.kb-nav--mobile .kb-menu{flex-direction:column;padding:12px}

/* ====== Hero ====== */
.kb-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.kb-hero__copy h1{font-size: clamp(32px, 6vw, 62px); margin: 8px 0 12px}
.kb-badge{font-size:12px;background:#111;color:#fff;border-radius:999px;padding:6px 10px}
.kb-actions{display:flex;gap:12px;margin-top:16px}
.kb-hero__media .kb-placeholder{height:360px;background:#e9ecf2;border-radius:16px}

/* ====== Grid / Cards ====== */
.kb-grid{display:grid;gap:16px}
.kb-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kb-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kb-grid--5{grid-template-columns:repeat(5,minmax(0,1fr))}
.kb-grid--6{grid-template-columns:repeat(6,minmax(0,1fr))}
.kb-card,.kb-product,.kb-cat{background:#fff;border:1px solid #eee;border-radius:12px;padding:12px}
.kb-thumb{background:#e9ecf2;height:160px;border-radius:12px}
.kb-cat{display:flex;align-items:center;gap:10px;justify-content:center;height:84px}
.kb-icon{width:28px;height:28px;background:#111;border-radius:6px}
.kb-product h3{font-size:16px;margin:8px 0}
.kb-price{font-weight:600}

/* ====== Newsletter ====== */
.kb-newsletter{text-align:center}
.kb-newsletter__form{display:flex;gap:8px;justify-content:center;margin-top:10px}
.kb-newsletter__form input{padding:12px;border:1px solid #ddd;border-radius:10px;min-width:260px}

/* ====== Beneficios ====== */
.kb-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:center}
.kb-benefit{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border:1px dashed #ddd;border-radius:12px;background:#fff}
.kb-dot{width:8px;height:8px;border-radius:999px;background:#111}

/* ====== Banner ====== */
.kb-banner{position:relative;overflow:hidden;border-radius:16px}
.kb-banner .kb-placeholder{height:340px;background:#e9ecf2}
.kb-banner__copy{position:absolute;left:24px;bottom:24px;max-width:520px}

/* ====== Contacto ====== */
.kb-contact{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.kb-form input,.kb-form textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:10px;margin-bottom:10px}

/* ====== Footer ====== */
.kb-footer{background:#0e0e0e;color:#fff;padding:48px 0 24px}
.kb-footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}
.kb-footer__copy{opacity:.7}

/* ====== Botones & Enlaces ====== */
.kb-btn{display:inline-block;padding:12px 16px;border-radius:10px;background:#111;color:#fff}
.kb-btn--ghost{background:transparent;border:1px solid #111;color:#111}
.kb-btn--sm{padding:8px 12px}
.kb-link{font-weight:600}

/* ====== Animaciones ====== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s, transform .6s}
.reveal.is-visible{opacity:1;transform:none}

/* ====== Responsive ====== */
@media (max-width: 1024px){
  .kb-grid--5{grid-template-columns:repeat(3,1fr)}
  .kb-grid--6{grid-template-columns:repeat(3,1fr)}
  .kb-benefits{grid-template-columns:repeat(2,1fr)}
  .kb-hero__grid{grid-template-columns:1fr}
  .kb-menu{gap:12px}
  .kb-footer__cols{grid-template-columns:repeat(2,1fr)}
  .kb-nav-toggle{display:inline-flex}
  .kb-nav--desktop{display:none}
}
@media (max-width: 640px){
  .kb-grid--3{grid-template-columns:1fr}
  .kb-grid--4{grid-template-columns:2,1fr}
  .kb-grid--5{grid-template-columns:repeat(2,1fr)}
  .kb-grid--6{grid-template-columns:repeat(2,1fr)}
  .kb-contact{grid-template-columns:1fr}
  .kb-footer__cols{grid-template-columns:1fr}
  .kb-newsletter__form{flex-direction:column;align-items:stretch}
}