/* Casa Edupor — estilos del sitio público
   Mobile-first, sin frameworks. Dirección "Blueprint CNC": azul técnico + naranja de corte. */

:root {
  --color-bg: #12203A;
  --color-bg-alt: #1B2C4D;
  --color-bg-alt2: #0B1728;
  --color-text: #E8EEF7;
  --color-text-soft: #9FB0C9;
  --color-accent: #FF7A45;
  --color-accent-dark: #E85F2E;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1DA851;
  --color-border: #2B3E63;
  --radius: 4px;
  --shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  --max-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'IBM Plex Sans', 'Segoe UI', Verdana, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

h1, h2, h3 { font-family: 'Big Shoulders Display', sans-serif; font-weight: 700; color: var(--color-text); line-height: 1.05; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5.5vw, 3rem); text-transform: uppercase; letter-spacing: 0.01em; }
h2 { font-size: clamp(1.5rem, 4.4vw, 2.15rem); text-transform: uppercase; letter-spacing: 0.01em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; color: var(--color-text-soft); }
a { color: var(--color-accent); }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Botones */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--whatsapp { background: var(--color-whatsapp); color: #fff; }
.btn--whatsapp:hover { background: var(--color-whatsapp-dark); color: #fff; }
.btn--outline { background: transparent; border-color: var(--color-accent); color: var(--color-accent); }
.btn--outline:hover { background: var(--color-accent); color: var(--color-bg); }
.btn--lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.9rem; }

/* Header */
.site-header {
  background: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-text);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  position: relative;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand__logo { height: 44px; width: auto; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.brand__name { font-family: 'Big Shoulders Display', sans-serif; font-weight: 700; font-size: 1.15rem; color: var(--color-text); line-height: 1.15; letter-spacing: 0.01em; }

.nav-toggle {
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 3px; background: var(--color-text); border-radius: 2px; }

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  display: none;
  flex-direction: column;
  padding: 1rem 1.25rem 1.5rem;
}
.site-nav.is-open { display: flex; }
.site-nav > ul { list-style: none; margin: 0; padding: 0; }
.site-nav > ul > li { border-bottom: 1px solid var(--color-border); }
.site-nav a {
  display: block;
  padding: 0.85rem 0.25rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}
.site-nav a.is-active { color: var(--color-accent); }
.submenu { list-style: none; margin: 0; padding-left: 1rem; display: none; }
.has-submenu.is-open .submenu { display: block; }
.submenu li { border-bottom: none !important; }
.submenu a { font-weight: 400; padding: 0.5rem 0.25rem; color: var(--color-text-soft); }
.nav-cta { text-align: center; margin-top: 1rem; }

/* Hero */
.hero { padding: 2.5rem 0; }
.hero__inner { display: flex; flex-direction: column-reverse; gap: 2rem; align-items: center; }
.hero__text { text-align: center; }
.hero__actions { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.hero__image img { max-width: 320px; margin: 0 auto; }

.intro { padding: 1rem 0 2.5rem; text-align: center; }
.intro p { max-width: 640px; margin: 0 auto; }
.intro strong { color: var(--color-text); }

/* Categorías (home) */
.categorias { padding: 1rem 0 3rem; }
.categorias h2 { text-align: center; margin-bottom: 1.75rem; }
.categorias-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-border);
}
.categoria-card {
  background: var(--color-bg-alt);
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.15s ease;
  display: block;
  border-top: 3px solid transparent;
}
.categoria-card:hover { transform: translateY(-4px); border-top-color: var(--color-accent); }
.categoria-card__image img { width: 100%; height: 160px; object-fit: cover; }
.categoria-card h3 { margin: 0.9rem 1rem 0.25rem; font-size: 1.05rem; text-transform: none; }
.categoria-card p { margin: 0 1rem 1rem; font-size: 0.92rem; }

/* CTA final */
.cta-final {
  background: var(--color-bg-alt);
  color: var(--color-text);
  padding: 3rem 0;
  text-align: center;
  border-top: 2px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
}
.cta-final h2 { color: var(--color-accent); }
.cta-final p { color: var(--color-text-soft); }
.cta-final__inner .btn--whatsapp { margin-top: 0.5rem; }

/* Página de categoría */
.categoria-hero { padding: 2rem 0 1rem; }
.breadcrumb { font-size: 0.85rem; color: var(--color-text-soft); }
.breadcrumb a { color: var(--color-text-soft); }

.productos { padding: 1rem 0 3rem; }
.productos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-border);
}
.producto-card {
  background: var(--color-bg-alt);
  padding-bottom: 1rem;
  border-top: 3px solid var(--color-accent);
}
.producto-card__image img { width: 100%; height: 200px; object-fit: cover; }
.producto-card h3 { margin: 0.9rem 1rem 0.25rem; font-size: 1.05rem; text-transform: none; }
.producto-card p { margin: 0 1rem 0.75rem; font-size: 0.9rem; }
.producto-card .btn { margin-left: 1rem; }

/* Contacto */
.contacto-hero { padding: 2rem 0 1rem; text-align: center; }
.contacto { padding: 1rem 0 3rem; }
.contacto__grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.info-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.info-list li { margin-bottom: 1rem; }
.info-list strong { display: block; color: var(--color-accent); margin-bottom: 0.2rem; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.04em; }
.social-icons { margin-top: 1rem; display: flex; gap: 1rem; }
.contacto__mapa { min-height: 320px; border-radius: var(--radius); overflow: hidden; border: 2px solid var(--color-border); }
.mapa-placeholder {
  height: 100%;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  text-align: center;
  padding: 1rem;
}

/* WhatsApp flotante */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--color-whatsapp);
  color: #fff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0,0,0,0.45);
  z-index: 60;
}
.whatsapp-float:hover { background: var(--color-whatsapp-dark); }

/* Footer */
.site-footer { background: var(--color-bg-alt2); color: var(--color-text-soft); padding: 2.5rem 0 1rem; margin-top: 2rem; border-top: 2px solid var(--color-border); }
.footer__inner { display: grid; grid-template-columns: 1fr; gap: 1.75rem; }
.footer__col h3 { color: var(--color-text); font-size: 1rem; }
.footer__col p, .footer__col a { color: var(--color-text-soft); }
.footer__logo { height: 44px; width: auto; border-radius: 50%; object-fit: cover; margin-bottom: 0.75rem; }
.social-list { list-style: none; padding: 0; margin: 0; }
.social-list li { margin-bottom: 0.4rem; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 2rem; padding-top: 1rem; text-align: center; font-size: 0.85rem; }
.footer__bottom p { color: var(--color-text-soft); margin: 0; opacity: 0.7; }

/* --- Tablet / desktop --- */
@media (min-width: 720px) {
  .brand__logo { height: 52px; }
  .brand__name { font-size: 1.3rem; }
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    border: none;
    padding: 0;
    background: transparent;
  }
  .site-nav > ul { display: flex; gap: 0.25rem; }
  .site-nav > ul > li { border-bottom: none; position: relative; }
  .site-nav a { padding: 0.5rem 0.6rem; }
  .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    min-width: 220px;
    box-shadow: var(--shadow);
    padding: 0.5rem;
    display: none;
  }
  .has-submenu:hover .submenu { display: block; }
  .nav-cta { margin-top: 0; }

  .hero__inner { flex-direction: row; text-align: left; }
  .hero__text { text-align: left; }
  .hero__actions { flex-direction: row; }
  .hero__image img { max-width: 420px; }

  .categorias-grid { grid-template-columns: repeat(3, 1fr); }
  .productos-grid { grid-template-columns: repeat(3, 1fr); }
  .contacto__grid { grid-template-columns: 1.1fr 1fr; }
  .footer__inner { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1000px) {
  .categorias-grid { grid-template-columns: repeat(4, 1fr); }
  .productos-grid { grid-template-columns: repeat(4, 1fr); }
}