/* ==========================================================================
   VELO · Hoja de estilos
   Identidad: fondo hueso, negro tinta, azul cobalto, verde WhatsApp.
   Tipografías: Space Grotesk (títulos) / Inter (texto).
   ========================================================================== */

/* ---------- Variables de marca ---------- */
:root {
  --bone: #F4F2EC;
  --ink: #17171B;
  --blue: #2E4BE8;
  --blue-dark: #2038c2;
  --whatsapp: #25D366;
  --whatsapp-dark: #1fb959;

  --muted: #6D6D72;
  --line: #E1DED3;
  --card: #FFFFFF;
  --card-alt: #FAF9F6;
  --danger: #C0392B;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --container: 1200px;
  --shadow-sm: 0 2px 10px rgba(23, 23, 27, .06);
  --shadow-md: 0 12px 32px rgba(23, 23, 27, .12);

  --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, picture { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Utilidades ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; padding: 0;
}
.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: var(--radius-sm);
  z-index: 200; transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
}
.section { padding: 64px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 36px;
}
.section-head h2 { font-size: clamp(28px, 4vw, 40px); margin-top: 10px; }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 17px; }
.section-alt { background: var(--card); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
  min-height: 48px;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: var(--whatsapp-dark); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 16px; min-height: 40px; font-size: 14px; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 242, 236, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; }
.brand img { height: 34px; width: auto; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.primary-nav a {
  font-weight: 600;
  font-size: 15px;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color .15s ease, color .15s ease;
}
.primary-nav a:hover { border-color: var(--blue); color: var(--blue); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  margin-inline: auto;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--bone);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    box-shadow: var(--shadow-md);
  }
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }
  .primary-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .header-actions .btn-whatsapp span.btn-label-full { display: none; }
}
@media (min-width: 861px) {
  .header-actions .btn-label-short { display: none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px);
  letter-spacing: -.01em;
}
.hero-sub {
  margin-top: 18px;
  font-size: 18px;
  color: var(--muted);
  max-width: 540px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 30px;
}
.hero-benefits li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.hero-benefits li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

.price-card {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 30px;
}
.price-card .eyebrow { color: #93A5FF; }
.price-card .price {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 54px);
  font-weight: 700;
  letter-spacing: -.03em;
  margin-top: 8px;
}
.price-card .installments {
  margin-top: 14px;
  background: var(--blue);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-weight: 700;
  text-align: center;
  font-size: 15px;
}
.price-card .price-note {
  margin-top: 16px;
  font-size: 13px;
  color: #C7C7CE;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   QUÉ INCLUYE LA COMPRA (packaging)
   Sección "premium": mucho aire, sin cajas ni fondos pesados.
   ========================================================================== */
.packaging-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "media text"
    "media list"
    "media cta";
  column-gap: 72px;
  row-gap: 4px;
  align-items: center;
}

.packaging-text { grid-area: text; align-self: end; }
.packaging-text h2 { font-size: clamp(30px, 4.4vw, 44px); margin-top: 10px; }
.packaging-sub {
  margin-top: 16px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 520px;
}

.packaging-media {
  grid-area: media;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(23, 23, 27, .10);
  transition: transform .5s ease, box-shadow .5s ease;
}
.packaging-media:hover { transform: scale(1.015); box-shadow: 0 28px 76px rgba(23, 23, 27, .14); }

.packaging-list {
  grid-area: list;
  align-self: start;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.packaging-item { display: flex; align-items: flex-start; gap: 16px; }
.packaging-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(46, 75, 232, .08);
  color: var(--blue);
  display: grid;
  place-items: center;
}
.packaging-item h3 { font-family: 'Space Grotesk'; font-size: 17px; font-weight: 600; }
.packaging-item p { color: var(--muted); font-size: 14px; margin-top: 3px; }

.packaging-cta { grid-area: cta; justify-self: start; align-self: start; margin-top: 36px; }

@media (max-width: 900px) {
  .packaging-grid {
    grid-template-columns: 1fr;
    grid-template-areas: "text" "media" "list" "cta";
    row-gap: 28px;
  }
  .packaging-media { aspect-ratio: 1480 / 1062; height: auto; min-height: 0; }
  .packaging-text, .packaging-list, .packaging-cta { justify-self: stretch; }
}

/* Fade-in al entrar en pantalla (activado desde app.js). Sin JS o con
   prefers-reduced-motion, el contenido es visible desde el primer render. */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   CATÁLOGO
   ========================================================================== */
.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.search-field {
  position: relative;
  flex: 1 1 260px;
  max-width: 420px;
}
.search-field input {
  width: 100%;
  padding: 13px 16px 13px 42px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 15px;
}
.search-field svg {
  position: absolute;
  left: 15px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--muted);
  pointer-events: none;
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-chip {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 14px;
  min-height: 40px;
}
.filter-chip[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.results-count {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .18s ease, transform .18s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.product-thumb {
  aspect-ratio: 4 / 3;
  background: var(--card-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.product-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.product-code {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--blue);
}
.product-name {
  font-family: var(--font-display);
  font-size: 20px;
  margin-top: 4px;
}
.product-variant { color: var(--muted); font-size: 14px; margin-top: 3px; }
.product-price {
  font-size: 22px;
  font-weight: 800;
  margin-top: 14px;
}
.product-installments {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  margin-top: 2px;
}
.product-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 16px;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  color: var(--muted);
}
.empty-state h3 { color: var(--ink); font-size: 22px; margin-bottom: 8px; }

/* ==========================================================================
   MODAL DE DETALLES
   ========================================================================== */
.product-dialog {
  border: none;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: calc(100% - 32px);
  padding: 0;
  overflow: hidden;
  background: var(--card);
}
.product-dialog::backdrop { background: rgba(23, 23, 27, .55); }
.modal-layout { display: grid; grid-template-columns: 1fr 1fr; }
.modal-media {
  background: var(--card-alt);
  padding: 28px;
  display: grid;
  place-items: center;
  position: relative;
}
.modal-media img { max-width: 100%; max-height: 400px; object-fit: contain; mix-blend-mode: multiply; }
.modal-body { padding: 30px; position: relative; }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 18px;
  display: grid;
  place-items: center;
}
.modal-body h3 { font-size: 26px; margin-top: 8px; }
.modal-price { font-size: 26px; font-weight: 800; margin-top: 16px; }
.modal-installments { color: var(--blue); font-weight: 700; margin-top: 2px; }
.modal-note { margin-top: 16px; font-size: 14px; color: var(--muted); }
.modal-disclaimer { margin-top: 18px; font-size: 12px; color: var(--muted); line-height: 1.5; }
.modal-body .btn { margin-top: 20px; }

@media (max-width: 700px) {
  .modal-layout { grid-template-columns: 1fr; }
  .modal-media img { max-height: 260px; }
}

/* ==========================================================================
   CÓMO COMPRAR
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
}
.step-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--blue);
}
.step h3 { font-size: 18px; margin-top: 12px; }
.step p { color: var(--muted); margin-top: 8px; font-size: 15px; }

@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}

/* ==========================================================================
   BENEFICIOS
   ========================================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.benefit-card {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius-md);
  background: var(--bone);
  border: 1px solid var(--line);
}
.benefit-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
}
.benefit-card h3 { font-size: 17px; }
.benefit-card p { color: var(--muted); font-size: 14px; margin-top: 8px; }

@media (max-width: 900px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { max-width: 780px; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  font-size: 17px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 16px;
  transition: transform .18s ease;
}
.faq-item[open] summary .faq-icon { transform: rotate(45deg); background: var(--ink); color: #fff; }
.faq-item p {
  padding: 0 4px 20px;
  color: var(--muted);
  max-width: 640px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--ink);
  color: #EDEDEF;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}
.footer-brand img { height: 30px; }
.footer-brand p { margin-top: 14px; color: #B7B7BE; font-size: 14px; max-width: 320px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #9698A2;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #EDEDEF; font-size: 15px; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 13px;
  color: #9698A2;
}
.footer-bottom a { color: #9698A2; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ========================================================================== */
.whatsapp-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, .45);
  transition: transform .15s ease;
}
.whatsapp-fab:hover { transform: scale(1.06); }
.whatsapp-fab svg { width: 28px; height: 28px; }

/* ==========================================================================
   RESPONSIVE GENERAL
   ========================================================================== */
@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .hero { padding: 40px 0 32px; }
  .catalog-toolbar { flex-direction: column; align-items: stretch; }
  .search-field { max-width: none; }
}