/* ============================================================
   PIME Accesorios Tecnológicos — Design System (Etapa 1)
   Material 3 dark + Liquid Glass sutil. Mobile-first.
   Paleta oficial BRAND.md — prohibido otro color principal.
   Firma: Sisyphus (codigo)
   ============================================================ */

:root {
  --bg-black: #000000;
  --text-main: #ffffff;
  --accent-pime: #2196e6;
  --accent-pime-dark: #1769a8;
  --card-bg: #111418;
  --text-secondary: #b0bec5;
  --border-subtle: rgba(176, 190, 197, 0.16);
  --glass-bg: rgba(17, 20, 24, 0.72);
  --font-heading: "Montserrat", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-width: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-black);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-heading); line-height: 1.1; }

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ---------- Header (Liquid Glass sutil) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { font-family: var(--font-heading); font-weight: 800; font-size: 1.35rem; letter-spacing: 2px; }
.brand .brand-i { color: var(--accent-pime); }
.pime-i { color: var(--accent-pime); }
.brand small { display: block; font-size: 0.55rem; letter-spacing: 3px; color: var(--text-secondary); font-weight: 400; }

.main-nav { display: flex; gap: 4px; }
.main-nav a {
  padding: 8px 12px; border-radius: 10px;
  font-size: 0.9rem; color: var(--text-secondary);
}
.main-nav a:hover { color: var(--text-main); background: rgba(33, 150, 230, 0.12); }

.nav-toggle { display: none; background: none; border: 1px solid var(--border-subtle); color: var(--text-main); border-radius: 10px; padding: 8px 12px; font-size: 1.1rem; cursor: pointer; }

/* ---------- Hero fullscreen ---------- */
.hero {
  min-height: calc(100svh - 104px);
  display: flex; align-items: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(33, 150, 230, 0.22), transparent 60%),
    radial-gradient(ellipse 60% 45% at 85% -5%, rgba(33, 150, 230, 0.12), transparent 60%),
    var(--bg-black);
  padding: 56px 0;
}
.hero-title {
  font-size: clamp(2.4rem, 9vw, 4.8rem);
  font-weight: 800; text-transform: uppercase; letter-spacing: 1px;
}
.hero-title .accent { color: var(--accent-pime); }
.hero-sub { color: var(--text-secondary); font-size: clamp(1rem, 3.5vw, 1.25rem); margin: 16px 0 28px; max-width: 34ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 14px 26px; border-radius: 999px;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; text-align: center;
}
.btn-primary { background: var(--accent-pime); color: #fff; }
.btn-primary:hover { background: var(--accent-pime-dark); }
.btn-ghost { border-color: var(--border-subtle); color: var(--text-main); background: rgba(17, 20, 24, 0.6); }
.btn-ghost:hover { border-color: var(--accent-pime); }
.btn.is-disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- Tira de marcas ---------- */
.brands-strip {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 18px 0; overflow: hidden;
}
.brands-track {
  display: flex; gap: 48px; justify-content: center; flex-wrap: wrap;
  font-family: var(--font-heading); font-weight: 700; letter-spacing: 4px;
  color: var(--text-secondary); font-size: 0.95rem;
}

/* ---------- Secciones ---------- */
.section { padding: 64px 0; }
.section-title { font-size: clamp(1.6rem, 5vw, 2.4rem); font-weight: 800; text-transform: uppercase; margin-bottom: 8px; }
.section-sub { color: var(--text-secondary); margin-bottom: 28px; }

/* ---------- Tarjetas (Material 3 dark + glass) ---------- */
.grid-cards {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px; min-height: 200px;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 8px;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(33, 150, 230, 0.25), transparent 55%);
  pointer-events: none;
}
.card-icon { font-size: 2rem; }
.card h3 { font-size: 1.25rem; text-transform: uppercase; letter-spacing: 1px; }
.card p { color: var(--text-secondary); font-size: 0.92rem; }
.card .card-link { color: var(--accent-pime); font-weight: 700; font-size: 0.9rem; margin-top: 4px; }

/* ---------- Pasos servicio ---------- */
.steps { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: step; }
.step {
  background: var(--card-bg); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 22px;
}
.step-number {
  font-family: var(--font-heading); font-weight: 800; font-size: 2rem;
  color: var(--accent-pime);
}
.step h3 { margin: 8px 0 4px; }
.step p { color: var(--text-secondary); font-size: 0.92rem; }

/* ---------- Sedes / contacto ---------- */
.info-box {
  background: var(--card-bg); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px;
}
.info-box address { font-style: normal; font-size: 1.05rem; }
.info-box .accent { color: var(--accent-pime); font-weight: 700; }
.info-box p { color: var(--text-secondary); margin-top: 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-subtle); padding: 36px 0; margin-top: 24px; }
.footer-inner { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; }
.footer-inner p, .footer-inner a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-note { width: 100%; margin-top: 12px; font-size: 0.8rem; opacity: 0.7; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; background: #000000;
    border-bottom: 1px solid var(--border-subtle); padding: 12px 20px 20px;
  }
  .main-nav.open a { color: var(--text-main); }
  .main-nav.open { display: flex; }
  .section { padding: 48px 0; }
}

/* ---------- Catálogo (Etapa 3) ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-btn {
  padding: 10px 18px; border-radius: 999px; cursor: pointer;
  background: var(--card-bg); color: var(--text-secondary);
  border: 1px solid var(--border-subtle); font-family: var(--font-body); font-size: 0.88rem;
}
.filter-btn.active, .filter-btn:hover { background: var(--accent-pime); color: #fff; border-color: var(--accent-pime); }
.product-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.product-card {
  background: var(--glass-bg); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 22px;
  display: flex; flex-direction: column; gap: 8px;
}
.product-icon { font-size: 2.2rem; }
.product-brand { font-size: 0.75rem; letter-spacing: 2px; color: var(--accent-pime); font-weight: 700; }
.product-card h3 { font-size: 1.05rem; }
.product-card p { color: var(--text-secondary); font-size: 0.88rem; flex: 1; }
.product-price { font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem; }
.product-badge {
  align-self: flex-start; font-size: 0.72rem; font-weight: 700;
  background: rgba(33, 150, 230, 0.15); color: var(--accent-pime);
  padding: 4px 12px; border-radius: 999px;
}
.product-actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.btn-small { padding: 10px 16px; font-size: 0.82rem; }
.price-note { color: var(--text-secondary); font-size: 0.82rem; margin-top: 16px; }

/* ---------- Técnico: formulario + FAQ (Etapa 4) ---------- */
.repair-form {
  background: var(--card-bg); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px;
  display: grid; gap: 14px; margin-top: 28px;
}
.repair-form h3 { text-transform: uppercase; letter-spacing: 1px; }
.form-row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.repair-form label { display: grid; gap: 6px; font-size: 0.88rem; color: var(--text-secondary); }
.repair-form input, .repair-form select, .repair-form textarea {
  background: var(--bg-black); color: var(--text-main);
  border: 1px solid var(--border-subtle); border-radius: 12px;
  padding: 12px 14px; font-family: var(--font-body); font-size: 0.95rem; width: 100%;
}
.repair-form input:focus, .repair-form select:focus, .repair-form textarea:focus {
  outline: none; border-color: var(--accent-pime);
}
.faq { margin-top: 28px; display: grid; gap: 10px; }
.faq details {
  background: var(--card-bg); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 16px 20px;
}
.faq summary { cursor: pointer; font-weight: 600; font-family: var(--font-heading); }
.faq summary::marker { color: var(--accent-pime); }
.faq details p { color: var(--text-secondary); font-size: 0.92rem; margin-top: 8px; }
@media (max-width: 720px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- Tienda: carrito (Etapa 5) ---------- */
.cart-box {
  background: var(--card-bg); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px; margin-top: 8px;
}
.cart-line {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--border-subtle);
}
.cart-line .cart-title { flex: 1; font-size: 0.92rem; }
.cart-qty { display: flex; align-items: center; gap: 8px; }
.qty-btn {
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
  background: var(--bg-black); color: var(--text-main);
  border: 1px solid var(--border-subtle); font-size: 1rem; line-height: 1;
}
.qty-btn:hover { border-color: var(--accent-pime); }
.cart-remove { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 1.1rem; }
.cart-total { font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem; margin: 16px 0; text-align: right; }
.cart-empty { color: var(--text-secondary); padding: 12px 0; }
.pay-pending {
  background: rgba(33, 150, 230, 0.1); border: 1px solid var(--accent-pime);
  border-radius: var(--radius-md); padding: 18px; margin-top: 16px;
}
.pay-pending p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 12px; }

/* ---------- Síguenos (redes + reels) ---------- */
.reels-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-top: 20px; }
.reels-grid:empty { display: none; }
.reel-frame { width: 100%; aspect-ratio: 9 / 16; max-height: 560px; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--card-bg); }

/* ---------- Galería automática Instagram ---------- */
.insta-title { font-family: var(--font-heading); font-size: 1.1rem; margin: 24px 0 12px; text-transform: uppercase; letter-spacing: 1px; }
.insta-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-top: 12px; }
.insta-grid:empty { display: none; }
.insta-item { display: block; aspect-ratio: 1; overflow: hidden; border-radius: var(--radius-md); border: 1px solid var(--border-subtle); }
.insta-item img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Tira de medios en el hero ---------- */
.hero-media { display: flex; gap: 12px; overflow-x: auto; margin-top: 28px; padding-bottom: 10px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
.hero-media .reel-frame { flex: 0 0 190px; height: 338px; max-height: none; scroll-snap-align: start; }
.hero-media .insta-item { flex: 0 0 190px; aspect-ratio: 9 / 16; scroll-snap-align: start; }

/* ---------- Redes en cabecera ---------- */
.header-social { display: flex; gap: 16px; align-items: center; padding: 2px 20px 10px; }
.header-social:empty { display: none; }
.header-social-link { display: inline-flex; line-height: 1; }
.header-social-link img { width: 30px; height: 30px; display: block; }
.header-social-link:hover img { transform: scale(1.1); }

/* ---------- Iconos seguir (debajo de videos) ---------- */
.follow-row { display: flex; gap: 18px; align-items: center; margin-top: 20px; }
.follow-row:empty { display: none; }
.follow-icon { display: inline-flex; line-height: 1; }
.follow-icon img { width: 40px; height: 40px; display: block; }
.follow-icon:hover img { transform: scale(1.1); }
.follow-icon.is-disabled { opacity: 0.45; }