/* ============================================================
   pierp.es — Estilos globales
   ============================================================ */
:root {
  --bg: #0b1020;
  --bg-2: #111832;
  --surface: #161f3d;
  --surface-2: #1c2750;
  --border: #2a3763;
  --text: #e8ecf8;
  --text-dim: #9aa6c9;
  --accent: #4f7cff;
  --accent-2: #8a5cf6;
  --accent-grad: linear-gradient(135deg, #4f7cff 0%, #8a5cf6 100%);
  --ok: #2dd4a7;
  --warn: #f5b04d;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 16, 32, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: var(--maxw); margin: 0 auto;
}
.logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -.5px;
  color: var(--text); text-decoration: none;
  display: flex; align-items: center; gap: 10px;
}
.logo-icon { height: 28px; width: 28px; }
.logo:hover { text-decoration: none; }
.logo b { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: var(--text-dim); padding: 8px 14px; border-radius: 8px;
  font-size: .95rem; font-weight: 500;
}
.main-nav a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.main-nav a.active { color: var(--text); background: var(--surface-2); }

.nav-cta {
  background: var(--accent-grad); color: #fff !important;
  padding: 8px 18px !important; border-radius: 8px; font-weight: 600;
}
.nav-cta:hover { opacity: .9; }

.lang-switch {
  display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-left: 8px;
}
.lang-switch button {
  background: none; border: none; color: var(--text-dim); padding: 6px 10px;
  cursor: pointer; font-size: .85rem; font-weight: 600;
}
.lang-switch button.active { background: var(--surface-2); color: var(--text); }

.cart-link { position: relative; }
.cart-badge {
  position: absolute; top: -2px; right: 2px;
  background: var(--accent-2); color: #fff; font-size: .65rem; font-weight: 700;
  border-radius: 50%; min-width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center; padding: 0 3px;
}

.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 70px;
  background:
    radial-gradient(ellipse 60% 50% at 70% 10%, rgba(138, 92, 246, .18), transparent),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(79, 124, 255, .15), transparent);
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -1px;
  line-height: 1.15; max-width: 850px; margin: 0 auto 20px;
}
.hero h1 .grad { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead {
  font-size: 1.15rem; color: var(--text-dim); max-width: 700px; margin: 0 auto 34px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 10px;
  font-weight: 600; font-size: 1rem; cursor: pointer; border: none;
  transition: opacity .15s, transform .15s; text-decoration: none !important;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--accent-grad); color: #fff; }
.btn-primary:hover { opacity: .9; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--surface); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- Secciones ---------- */
section { padding: 60px 0; }
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 12px; letter-spacing: -.5px; }
.section-sub { text-align: center; color: var(--text-dim); max-width: 640px; margin: 0 auto 44px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: .95rem; }
.card .card-link { display: inline-block; margin-top: 14px; font-weight: 600; font-size: .9rem; }

/* ---------- Banner ecosistema piERP ---------- */
.eco-banner {
  background: var(--accent-grad); border-radius: var(--radius); padding: 40px;
  text-align: center; box-shadow: var(--shadow);
}
.eco-banner h2 { font-size: 1.5rem; margin-bottom: 10px; color: #fff; }
.eco-banner p { color: rgba(255, 255, 255, .92); max-width: 800px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Precios / planes ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; display: flex; flex-direction: column; position: relative;
}
.price-card.featured { border-color: var(--accent); background: var(--surface-2); }
.badge-popular {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent-grad); color: #fff; font-size: .75rem; font-weight: 700;
  padding: 4px 14px; border-radius: 20px; white-space: nowrap;
}
.price-card h3 { font-size: 1.25rem; margin-bottom: 6px; }
.price-card .price { font-size: 2.4rem; font-weight: 800; margin: 12px 0 2px; }
.price-card .price small { font-size: 1rem; font-weight: 500; color: var(--text-dim); }
.price-card .desc { color: var(--text-dim); font-size: .92rem; margin-bottom: 20px; }
.price-card ul { list-style: none; margin: 0 0 26px; flex: 1; }
.price-card ul li { padding: 7px 0; font-size: .93rem; color: var(--text-dim); border-bottom: 1px dashed var(--border); }
.price-card ul li::before { content: "✓ "; color: var(--ok); font-weight: 700; }
.price-card ul li.no::before { content: "— "; color: var(--text-dim); }

/* ---------- Tabla comparativa ---------- */
.compare-wrap { overflow-x: auto; }
.compare {
  width: 100%; border-collapse: collapse; background: var(--surface);
  border-radius: var(--radius); overflow: hidden; min-width: 640px;
}
.compare th, .compare td { padding: 13px 16px; text-align: center; border-bottom: 1px solid var(--border); font-size: .92rem; }
.compare th { background: var(--surface-2); font-weight: 700; }
.compare td:first-child, .compare th:first-child { text-align: left; color: var(--text-dim); }
.compare .yes { color: var(--ok); font-weight: 700; }
.compare .no { color: var(--text-dim); }

/* ---------- Tienda ---------- */
.shop-layout { display: grid; grid-template-columns: 1fr 340px; gap: 28px; align-items: start; }
.shop-section-title { font-size: 1.3rem; font-weight: 700; margin: 30px 0 16px; }
.shop-section-title:first-child { margin-top: 0; }

.product-row {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 22px; display: flex; align-items: center; gap: 18px; margin-bottom: 12px;
}
.product-row .p-info { flex: 1; }
.product-row h4 { font-size: 1.02rem; margin-bottom: 3px; }
.product-row p { color: var(--text-dim); font-size: .87rem; }
.product-row .p-price { font-weight: 700; white-space: nowrap; font-size: 1.05rem; }
.product-row .p-price small { color: var(--text-dim); font-weight: 400; }
.product-row .btn { white-space: nowrap; }
.product-row.in-cart { border-color: var(--ok); }

.cart-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: sticky; top: 90px;
}
.cart-panel h3 { margin-bottom: 16px; font-size: 1.15rem; }
.cart-items { list-style: none; margin-bottom: 16px; }
.cart-items li {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: .9rem;
}
.cart-items .ci-name { flex: 1; }
.cart-items .ci-price { white-space: nowrap; color: var(--text-dim); }
.cart-items button {
  background: none; border: none; color: #e05c6f; cursor: pointer; font-size: 1rem; padding: 2px 6px;
}
.cart-total {
  display: flex; justify-content: space-between; font-weight: 800; font-size: 1.15rem;
  padding: 14px 0; border-top: 2px solid var(--border); margin-bottom: 16px;
}
.cart-empty { color: var(--text-dim); font-size: .9rem; margin-bottom: 16px; }
.cart-note { font-size: .78rem; color: var(--text-dim); margin-top: 12px; }

.qty-ctrl { display: flex; align-items: center; gap: 8px; }
.qty-ctrl button {
  width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); cursor: pointer; font-size: 1rem; line-height: 1;
}
.qty-ctrl span { min-width: 20px; text-align: center; font-size: .9rem; }

/* ---------- Checkout / formularios ---------- */
.form-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; max-width: 640px; margin: 0 auto;
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 6px; color: var(--text-dim); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); font-size: .95rem; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-check { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--text-dim); margin-bottom: 18px; }
.form-check input { margin-top: 4px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { text-align: center; padding: 20px 14px; }
.step .num {
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--accent-grad); color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 1rem; margin-bottom: 6px; }
.step p { color: var(--text-dim); font-size: .87rem; }

/* ---------- Aviso demo ---------- */
.demo-note {
  background: rgba(245, 176, 77, .1); border: 1px solid rgba(245, 176, 77, .4);
  color: var(--warn); border-radius: 10px; padding: 12px 18px; font-size: .87rem;
  margin-bottom: 26px; text-align: center;
}

/* ---------- Detalles plegables y ficha técnica ---------- */
details.more { margin: 0 0 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-2); }
details.more summary { cursor: pointer; padding: 12px 18px; font-weight: 600; color: var(--accent); list-style: none; }
details.more summary::-webkit-details-marker { display: none; }
details.more summary::before { content: "▸ "; }
details.more[open] summary::before { content: "▾ "; }
details.more .more-body { padding: 4px 18px 16px; }
details.more p { color: var(--text-dim); font-size: .95rem; margin-bottom: 10px; }
details.more ul { color: var(--text-dim); padding-left: 20px; margin-bottom: 10px; font-size: .95rem; }
details.more li { margin-bottom: 6px; }
details.more h3 { font-size: 1.02rem; margin: 16px 0 6px; color: var(--text); }
.more-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.more-row details.more { flex: 1 1 240px; margin: 0; }
.more-row details.more[open] { flex-basis: 100%; }
.feature-line { font-weight: 600; color: var(--text); margin-bottom: 16px; }
table.spec { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.spec td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text-dim); }
table.spec td:first-child { font-weight: 600; color: var(--text); white-space: nowrap; }
@media (max-width: 720px) { table.spec td:first-child { white-space: normal; } }

/* ---------- Acceso demo ---------- */
.demo-access {
  background: rgba(45, 212, 167, .08); border: 1px solid rgba(45, 212, 167, .45);
  border-radius: 10px; padding: 14px 18px; font-size: .92rem; margin-bottom: 18px;
  color: var(--text);
}
.demo-access strong { color: var(--ok); }
.demo-access code {
  background: var(--bg-2); border: 1px solid var(--border); padding: 2px 10px;
  border-radius: 6px; font-family: Consolas, monospace; font-size: .9rem;
}

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 34px; align-items: start; }
.contact-info h3 { margin-bottom: 14px; }
.contact-info p { color: var(--text-dim); margin-bottom: 10px; font-size: .95rem; }
.contact-info strong { color: var(--text); }

/* ---------- Legal ---------- */
.legal-content { max-width: 820px; margin: 0 auto; }
.legal-content h1 { font-size: 1.9rem; margin-bottom: 26px; }
.legal-content h2 { font-size: 1.25rem; margin: 28px 0 12px; }
.legal-content p, .legal-content li { color: var(--text-dim); font-size: .95rem; margin-bottom: 10px; }
.legal-content ul { padding-left: 22px; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto; border-top: 1px solid var(--border); background: var(--bg-2);
  padding: 46px 0 26px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 34px; }
.footer-grid h4 { font-size: .95rem; margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a, .footer-grid p { color: var(--text-dim); font-size: .88rem; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 20px; text-align: center;
  color: var(--text-dim); font-size: .82rem;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--surface-2); border: 1px solid var(--accent); color: var(--text);
  padding: 12px 24px; border-radius: 10px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 200; font-size: .92rem;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3, .pricing-grid, .steps { grid-template-columns: 1fr 1fr; }
  .shop-layout { grid-template-columns: 1fr; }
  .cart-panel { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; background: var(--bg-2);
    border-bottom: 1px solid var(--border); padding: 12px 24px; gap: 4px;
  }
  .main-nav.open { display: flex; }
  .grid-3, .grid-2, .pricing-grid, .steps, .contact-grid, .form-row { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 46px; }
  section { padding: 44px 0; }
}