/* DS Software — hoja de estilos principal
   Línea visual: navy profundo + acentos cian/azul eléctrico, estética tech/ESD */

:root {
  --bg-0: #060b18;
  --bg-1: #0a1128;
  --bg-2: #0e1a3a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --text-0: #f5f7ff;
  --text-1: #b7c0dc;
  --text-2: #7c85a8;
  --accent-cyan: #35d0ff;
  --accent-blue: #3b6cff;
  --accent-violet: #7b5cff;
  --accent-green: #33e6a0;
  --gradient-brand: linear-gradient(120deg, var(--accent-cyan), var(--accent-blue) 55%, var(--accent-violet));
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 20px 60px -20px rgba(0, 20, 60, 0.6);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg-0);
  color: var(--text-0);
  line-height: 1.55;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

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

/* ---------- Fondo animado ---------- */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
  animation: float 18s ease-in-out infinite;
}
.bg-orb.a { width: 480px; height: 480px; background: var(--accent-blue); top: -140px; left: -120px; }
.bg-orb.b { width: 420px; height: 420px; background: var(--accent-violet); top: 30%; right: -160px; animation-delay: -6s; }
.bg-orb.c { width: 360px; height: 360px; background: var(--accent-cyan); bottom: -160px; left: 30%; animation-delay: -11s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.08); }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at top, black 10%, transparent 70%);
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(6, 11, 24, 0.72);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 18px 2px var(--accent-cyan);
}
.brand small {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-2);
  text-transform: uppercase;
}

nav.main-nav { display: flex; gap: 30px; align-items: center; }
nav.main-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-1);
  transition: color 0.2s;
}
nav.main-nav a:hover { color: var(--text-0); }

.header-actions { display: flex; align-items: center; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-brand);
  color: #04101f;
  box-shadow: 0 10px 30px -8px rgba(59, 108, 255, 0.65);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -6px rgba(59, 108, 255, 0.8); }
.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-0);
}
.btn-ghost:hover { background: var(--surface-strong); }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-block { width: 100%; justify-content: center; }

.cart-btn {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.cart-count {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--accent-cyan);
  color: #04101f;
  font-size: 0.65rem;
  font-weight: 800;
  border-radius: 999px;
  min-width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 70px;
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.eyebrow .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 0 rgba(51,230,160,0.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(51,230,160,0.55); }
  70% { box-shadow: 0 0 0 8px rgba(51,230,160,0); }
  100% { box-shadow: 0 0 0 0 rgba(51,230,160,0); }
}

h1.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}
h1.hero-title .accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 1.08rem;
  color: var(--text-1);
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats { display: flex; gap: 34px; flex-wrap: wrap; }
.hero-stats div { min-width: 110px; }
.hero-stats strong { display: block; font-size: 1.5rem; font-weight: 800; }
.hero-stats span { font-size: 0.8rem; color: var(--text-2); }

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface-strong), var(--surface));
  padding: 26px;
  box-shadow: var(--shadow-soft);
}
.hero-visual .panel-head { display: flex; gap: 8px; margin-bottom: 18px; }
.hero-visual .panel-head span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.hero-visual .panel-head span:nth-child(1) { background: #ff6169; }
.hero-visual .panel-head span:nth-child(2) { background: #ffcc4d; }
.hero-visual .panel-head span:nth-child(3) { background: #33e6a0; }
.api-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  font-size: 0.84rem;
}
.api-row .tag {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(51, 230, 160, 0.14);
  color: var(--accent-green);
}
.api-row .tag.warn { background: rgba(255, 204, 77, 0.14); color: #ffcc4d; }
.api-row code { color: var(--accent-cyan); font-size: 0.78rem; }

/* ---------- Secciones genéricas ---------- */
section { padding: 88px 0; }
.section-head { max-width: 640px; margin: 0 auto 50px; text-align: center; }
.section-head .eyebrow { margin-left: auto; margin-right: auto; }
.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.section-head p { color: var(--text-1); font-size: 1.02rem; }

/* ---------- Categorías ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
}
.cat-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 22px 18px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.cat-card:hover { transform: translateY(-4px); border-color: var(--accent-cyan); background: var(--surface-strong); }
.cat-card .icon {
  font-size: 1.5rem;
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  background: radial-gradient(circle at 30% 20%, rgba(53,208,255,0.28), rgba(59,108,255,0.10));
}
.cat-card h3 { font-size: 0.95rem; margin: 0 0 4px; font-weight: 700; }
.cat-card p { font-size: 0.78rem; color: var(--text-2); margin: 0; }

/* ---------- Catálogo ---------- */
.catalog-controls {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 320px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.2s, background 0.2s;
}
.search-box:focus-within { border-color: var(--accent-cyan); background: var(--surface-strong); }
.search-box span { font-size: 0.9rem; opacity: 0.6; }
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-0);
  font-family: inherit;
  font-size: 0.86rem;
}
.search-box input::placeholder { color: var(--text-2); }

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.filter-chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-1);
}
.filter-chip.active {
  background: var(--gradient-brand);
  color: #04101f;
  border-color: transparent;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 20px;
}
.product-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(53,208,255,0.4);
  box-shadow: 0 24px 60px -20px rgba(0,20,60,0.65), 0 0 0 1px rgba(53,208,255,0.15);
}
.product-thumb {
  position: relative;
  height: 152px;
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, #ffffff, #e7ebfa);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 14px;
}
.product-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.product-card:hover .product-thumb img { transform: scale(1.05); }
.product-thumb .thumb-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.3rem;
  border-radius: var(--radius-sm);
  background: radial-gradient(circle at 30% 20%, rgba(53,208,255,0.25), rgba(59,108,255,0.08));
}
.stock-badge {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(255, 97, 105, 0.94);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  box-shadow: 0 4px 12px -2px rgba(255,97,105,0.5);
}
.product-brand {
  align-self: flex-start;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  background: rgba(53,208,255,0.10);
  padding: 3px 10px;
  border-radius: 999px;
}
.product-card h3 { font-size: 1.02rem; margin: 2px 0; font-weight: 700; }
.product-desc { font-size: 0.84rem; color: var(--text-1); flex: 1; }
.product-license { font-size: 0.72rem; color: var(--text-2); }
.product-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.product-price { font-size: 1.2rem; font-weight: 800; }
.product-price small { font-size: 0.68rem; color: var(--text-2); font-weight: 600; display: block; }

/* ---------- Cómo funciona ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  background: var(--surface);
  position: relative;
}
.step-num {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #04101f;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 1rem; margin: 0 0 8px; }
.step-card p { font-size: 0.84rem; color: var(--text-1); margin: 0; }

/* ---------- Beneficios ---------- */
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.benefit-item {
  display: flex; align-items: flex-start; gap: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 18px;
}
.benefit-item .ic {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(53,208,255,0.12); color: var(--accent-cyan);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex: none;
}
.benefit-item h4 { margin: 0 0 4px; font-size: 0.94rem; }
.benefit-item p { margin: 0; font-size: 0.82rem; color: var(--text-1); }

/* ---------- Panel API / integración ---------- */
.integration-panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(59,108,255,0.10), rgba(53,208,255,0.05));
  padding: 46px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.integration-panel h2 { font-size: 1.7rem; margin: 0 0 14px; font-weight: 800; }
.integration-panel p { color: var(--text-1); margin-bottom: 20px; }
.status-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.status-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.88rem;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-green); flex: none; }
.status-dot.pending { background: #ffcc4d; }

/* ---------- Contacto / cotización ---------- */
.contact-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 40px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}
.contact-info h2 { font-size: 1.6rem; margin: 0 0 14px; }
.contact-info p { color: var(--text-1); margin-bottom: 22px; }
.contact-info ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.contact-info li { font-size: 0.9rem; color: var(--text-1); display: flex; gap: 10px; align-items: center; }

form.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 0.78rem; font-weight: 700; color: var(--text-1); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-0);
  font-family: inherit;
  font-size: 0.9rem;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent-cyan);
}
.form-msg { font-size: 0.85rem; margin-top: 10px; }
.form-msg.ok { color: var(--accent-green); }
.form-msg.err { color: #ff6169; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 50px 0 30px;
  background: var(--bg-1);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer-grid h4 { font-size: 0.85rem; margin: 0 0 14px; color: var(--text-0); }
.footer-grid p { font-size: 0.85rem; color: var(--text-2); max-width: 280px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { font-size: 0.85rem; color: var(--text-1); }
.footer-grid a:hover { color: var(--accent-cyan); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.78rem; color: var(--text-2);
}

/* ---------- Carrito lateral ---------- */
.cart-drawer {
  position: fixed; top: 0; right: 0; height: 100vh; width: 380px; max-width: 92vw;
  background: var(--bg-1);
  border-left: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform 0.28s ease;
  z-index: 100;
  display: flex; flex-direction: column;
  box-shadow: -20px 0 60px rgba(0,0,0,0.4);
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-head { padding: 22px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.cart-drawer-items { flex: 1; overflow-y: auto; padding: 16px 22px; display: flex; flex-direction: column; gap: 14px; }
.cart-line { display: flex; gap: 12px; align-items: center; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px; }
.cart-line .thumb { width: 42px; height: 42px; border-radius: 8px; background: #fff; display:flex;align-items:center;justify-content:center; font-size:1.2rem; flex: none; overflow:hidden; }
.cart-line .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 3px; }
.cart-line .thumb .thumb-fallback { display: flex; align-items:center; justify-content:center; width:100%; height:100%; background: var(--surface); color: var(--text-0); }
.cart-line .info { flex: 1; }
.cart-line .info h5 { margin: 0 0 2px; font-size: 0.86rem; }
.cart-line .info span { font-size: 0.76rem; color: var(--text-2); }
.qty-ctrl { display: flex; align-items: center; gap: 8px; }
.qty-ctrl button { width: 24px; height: 24px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text-0); }
.cart-drawer-foot { padding: 22px; border-top: 1px solid var(--border); }
.cart-total-row { display: flex; justify-content: space-between; font-weight: 800; margin-bottom: 16px; font-size: 1.05rem; }
.overlay {
  position: fixed; inset: 0; background: rgba(4,8,20,0.6); z-index: 90;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.overlay.open { opacity: 1; pointer-events: all; }
.empty-note { color: var(--text-2); font-size: 0.85rem; text-align: center; padding: 30px 0; }

/* ---------- Checkout page ---------- */
.checkout-layout { display: grid; grid-template-columns: 1fr 0.8fr; gap: 34px; align-items: start; }
.summary-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 26px;
  position: sticky;
  top: 100px;
}
.summary-line { display: flex; justify-content: space-between; font-size: 0.88rem; padding: 8px 0; border-bottom: 1px solid var(--border); }
.summary-line.total { font-size: 1.1rem; font-weight: 800; border-bottom: none; padding-top: 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  nav.main-nav { display: none; }
  .hero .wrap { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid, .integration-panel, .contact-card, .checkout-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  form.form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}