/* =========================================================
   NAUCL — Design tokens (derivados del logo)
   Paleta: magenta -> violeta -> tinta (gradiente del ícono "N")
           + gris apagado y verde menta (cola del gradiente)
   Tipografía: Space Grotesk (display) / Inter (texto) /
               JetBrains Mono (precios, etiquetas, utilitario)
   ========================================================= */

@font-face {
  font-family: 'Google Sans Flex Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 1 1000;
  src: url(https://cdn.jsdelivr.net/fontsource/fonts/google-sans-flex:vf@5.3.1/latin-wght-normal.woff2) format(woff2) tech(variations);
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root {
  --ink: #120F17;
  --ink-soft: #1B1723;
  --ink-elev: #241F2E;
  --magenta: #D8409F;
  --violet: #7A2FB8;
  --mint: #9DF899;
  --slate: #8B8FA3;
  --paper: #FAFAF8;
  --line: rgba(255,255,255,0.08);
  --gradient-signature: linear-gradient(135deg, var(--magenta) 0%, var(--violet) 55%, var(--ink) 100%);

  --font-display: 'Google Sans Flex Variable', 'Google Sans', sans-serif;
  --font-body: 'Google Sans Flex Variable', 'Google Sans', sans-serif;
  --font-mono: 'Google Sans Flex Variable', 'Google Sans', sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* Los controles de formulario y botones NO heredan la fuente del body por
   defecto en los navegadores — hay que forzarlo para que Google Sans Flex
   se aplique también ahí (inputs, selects, textareas, botones). */
button, input, select, textarea, optgroup {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--mint);
  display: inline-block;
  padding: 5px 12px;
  border-radius: 6px;
  transform: rotate(-1.2deg);
  font-weight: 700;
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18,15,23,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 42px;
  width: 42px;
  object-fit: contain;
  object-position: left center;
}

.nav-cats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-cats a {
  font-size: 13.5px;
  padding: 7px 13px;
  border-radius: 20px;
  border: 1px solid var(--line);
  color: var(--slate);
  white-space: nowrap;
}
.nav-cats a:hover { color: var(--paper); border-color: var(--magenta); }

.social-icons {
  display: flex;
  gap: 10px;
  align-items: center;
}
.social-icons a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--paper);
  transition: transform .15s ease, border-color .15s ease;
}
.social-icons a:hover { border-color: var(--magenta); transform: translateY(-2px); }
.social-icons svg { width: 16px; height: 16px; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 76px 0 64px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -140px;
  right: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: var(--gradient-signature);
  opacity: .35;
  filter: blur(60px);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  margin-top: 16px;
}

.hero h1 .accent {
  background: var(--gradient-signature);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  color: var(--slate);
  font-size: 17px;
  max-width: 46ch;
  margin-top: 18px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* Cadena de puntos degradados — firma visual del logo,
   reutilizada como indicador de "stock disponible" */
.dot-chain {
  display: flex;
  align-items: center;
  gap: 6px;
}
.dot-chain .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-chain .dot:nth-child(1) { background: var(--magenta); }
.dot-chain .dot:nth-child(2) { background: #b64fac; }
.dot-chain .dot:nth-child(3) { background: var(--violet); }
.dot-chain .dot:nth-child(4) { background: var(--slate); }
.dot-chain .dot:nth-child(5) { background: var(--mint); }

.hero-visual {
  position: relative;
  aspect-ratio: 4/3.2;
  border-radius: 24px;
  background: var(--ink-elev);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-visual .glow {
  position: absolute;
  inset: 0;
  background: var(--gradient-signature);
  opacity: .5;
}
.hero-visual img {
  position: relative;
  width: 62%;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.5));
}

/* =========================================================
   Botones
   ========================================================= */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  padding: 13px 24px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--gradient-signature);
  color: #fff;
  box-shadow: 0 8px 24px rgba(216,64,159,.28);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(122,47,184,.4); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }

.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* =========================================================
   Catálogo
   ========================================================= */
.catalog {
  padding: 40px 0 90px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-head h2 { font-size: 28px; }

.category-block { margin-bottom: 52px; }
.category-block h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.category-block h3::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

.grid-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.card-product {
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .15s ease, transform .15s ease;
}
.card-product:hover { border-color: var(--magenta); transform: translateY(-3px); }

.card-product .cat-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #fff;
  background: var(--violet);
  padding: 3px 9px;
  border-radius: 5px;
  align-self: flex-start;
  font-weight: 700;
  letter-spacing: .03em;
}

.card-product h4 {
  font-size: 18px;
  margin-top: 4px;
}

.card-product p.desc {
  color: var(--slate);
  font-size: 13.5px;
  flex: 1;
  margin: 0;
}

.card-product .price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}
.card-product .price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
}
.card-product .stock {
  font-size: 11.5px;
  color: var(--slate);
  font-family: var(--font-mono);
}
.card-product .stock.low { color: var(--magenta); }
.card-product .stock.out { color: #666; }

.empty-state {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--slate);
}

/* =========================================================
   Checkout
   ========================================================= */
.checkout-wrap {
  padding: 48px 0 90px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

.checkout-form, .order-summary {
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--slate);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}
.field input, .field select {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--paper);
  font-size: 15px;
  font-family: var(--font-body);
}
.field input:focus, .field select:focus {
  border-color: var(--magenta);
  outline: none;
}
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }

.mp-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 20px;
  font-size: 13.5px;
  color: var(--slate);
}
.mp-badge strong { color: var(--paper); }

.order-summary h3 { font-size: 16px; margin-bottom: 16px; }
.summary-line {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--slate);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.summary-line.total {
  color: var(--paper);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  border-bottom: none;
  padding-top: 14px;
}

.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
}
.alert-error { background: rgba(216,64,159,.12); border: 1px solid var(--magenta); color: #ffc9ea; }
.alert-success { background: rgba(157,248,153,.1); border: 1px solid var(--mint); color: var(--mint); }

/* =========================================================
   Resultado de pago / entrega de credenciales
   ========================================================= */
.result-wrap {
  padding: 70px 0 100px;
  max-width: 640px;
  margin: 0 auto;
}
.result-card {
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 40px;
  text-align: center;
}
.result-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.result-icon.ok { background: rgba(157,248,153,.15); color: var(--mint); }
.result-icon.wait { background: rgba(139,143,163,.15); color: var(--slate); }
.result-icon.fail { background: rgba(216,64,159,.15); color: var(--magenta); }

.account-box {
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px;
  text-align: left;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.account-box .row { display: flex; justify-content: space-between; padding: 6px 0; }
.account-box .row span:first-child { color: var(--slate); }

/* =========================================================
   Footer + WhatsApp flotante
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--slate);
  font-size: 13px;
  text-align: center;
}

.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37,211,102,.45);
  animation: wa-pulse 2.4s infinite;
}
.wa-float svg { width: 30px; height: 30px; fill: #fff; }
@keyframes wa-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.55); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}
@media (prefers-reduced-motion: reduce) {
  .wa-float { animation: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .checkout-wrap { grid-template-columns: 1fr; }
  .nav-cats { display: none; }
}