/* ===================================================================
   RAÍZ DEL DISEÑO — todo el look de la página se controla desde aquí.
   Para reskinear esta plantilla para OTRO cliente, normalmente solo
   necesitas cambiar estas variables (colores y tipografías) y el
   contenido del HTML. No deberías necesitar tocar el resto del CSS.

   Identidad industrial: concreto crudo + tinta carbón, contraste duro
   entre bloques, cero border-radius. El amarillo de seguridad es un
   acento firma de uso escaso (franja del hero, foco de accesibilidad);
   el óxido es el color de acción del sitio (botones) con énfasis
   extra en la sección de Suplementos.
   =================================================================== */
:root {
  --concreto:      #DCD7CC; /* fondo base, crudo, no blanco puro */
  --concreto-alt:  #CFC9BB; /* fondo de secciones alternas */
  --papel:         #EDE9DF; /* superficie de tarjetas */
  --tinta:         #1B1A17; /* texto y bloques oscuros, no negro puro */
  --acero:         #6E6A61; /* grises secundarios, bordes, divisores */
  --amarillo-seguridad: #F2B705; /* acento firma — uso escaso y dramático */
  --oxido:         #A63C1E; /* color de acción del sitio (botones); énfasis en Suplementos */
  --oxido-dark:    #7A2C15;

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Work Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --shadow-hard: 6px 6px 0 0 var(--tinta); /* sombra dura, sin blur — no usar en fondos oscuros */
  --container-w: 1120px;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--tinta);
  background: var(--concreto);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.1; margin: 0 0 0.5em; text-transform: uppercase; letter-spacing: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; color: var(--acero); }

a { color: inherit; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--oxido);
  margin-bottom: 0.6em;
}

.section-lead { max-width: 640px; }

:focus-visible {
  outline: 3px solid var(--amarillo-seguridad);
  outline-offset: 3px;
}

/* ===================================================================
   BOTONES — sin radio, respuesta tipo "presión" al interactuar
   =================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease;
  font-size: 0.92rem;
}
.btn:hover { transform: scale(0.98); }
.btn:active { transform: scale(0.94); }

.btn-primary { background: var(--oxido); color: var(--concreto); border-color: var(--oxido); }
.btn-primary:hover { background: var(--oxido-dark); border-color: var(--oxido-dark); }

.btn-ghost { background: transparent; border-color: var(--tinta); color: var(--tinta); }
.btn-ghost:hover { background: var(--tinta); color: var(--concreto); }

.btn-light { background: var(--concreto); color: var(--tinta); }
.btn-light:hover { background: var(--papel); }

.btn-large { padding: 18px 38px; font-size: 1rem; }
.icon { width: 20px; height: 20px; fill: currentColor; }

/* ===================================================================
   HEADER
   =================================================================== */
.site-header {
  background: var(--tinta);
  color: var(--concreto);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 2px solid var(--acero);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--concreto); }
.logo-mark {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.04em;
  border: 2px solid var(--oxido);
  color: var(--oxido);
  padding: 5px 10px;
}
.logo-text { font-size: 0.9rem; line-height: 1.2; text-transform: uppercase; letter-spacing: 0.03em; }
.logo-text strong { font-family: var(--font-display); font-weight: 400; font-size: 1.2rem; color: var(--oxido); }

.nav { display: flex; gap: 28px; }
.nav a { text-decoration: none; color: rgba(220,215,204,0.8); font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: var(--concreto); }

.nav-cta { flex-shrink: 0; }
.nav-toggle { display: none; }

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  background: var(--tinta);
  color: var(--concreto);
  padding: 90px 0 100px;
}
.hero-inner { max-width: 780px; }
.hero .eyebrow { color: var(--amarillo-seguridad); }
.hero-lead { color: rgba(220,215,204,0.85); font-size: 1.08rem; max-width: 540px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 8px 0 40px; }
.hero .btn-ghost { border-color: rgba(220,215,204,0.5); color: var(--concreto); }
.hero .btn-ghost:hover { background: var(--concreto); color: var(--tinta); }

.trust-row { display: flex; gap: 32px; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }
.trust-row li { font-size: 0.92rem; color: rgba(220,215,204,0.7); }
.trust-row strong { display: block; font-family: var(--font-mono); font-weight: 600; font-size: 1.25rem; color: var(--concreto); }

/* Franja firma tipo cinta de precaución. El wrap recorta el sangrado
   de la franja (evita scroll horizontal); la franja va sobredimensionada
   y rotada para cruzar la columna del hero. */
.hazard-band-wrap { overflow: hidden; margin: 26px 0 34px; }
.hazard-band {
  width: 112%;
  margin-left: -6%;
  padding: 30px 6%;
  background: repeating-linear-gradient(
    135deg,
    var(--tinta) 0px, var(--tinta) 32px,
    var(--amarillo-seguridad) 32px, var(--amarillo-seguridad) 64px
  );
  animation: heroDrop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.hazard-band h1 {
  display: inline-block;
  transform: rotate(2deg);
  background: var(--tinta);
  color: var(--concreto);
  border: 3px solid var(--amarillo-seguridad);
  padding: 14px 26px;
  margin: 0;
}

@keyframes heroDrop {
  from { transform: translateY(-60px) rotate(-2deg); opacity: 0; }
  to   { transform: translateY(0) rotate(-2deg); opacity: 1; }
}

/* ===================================================================
   SECCIONES GENERALES
   =================================================================== */
.section { padding: 90px 0; }
.section-alt { background: var(--concreto-alt); }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.align-center { align-items: center; }
.align-start { align-items: start; }

.card {
  background: var(--papel);
  border: 2px solid var(--tinta);
  box-shadow: var(--shadow-hard);
  padding: 32px 28px;
}
.card-icon { font-size: 1.8rem; margin-bottom: 14px; }

/* Énfasis de la sección Suplementos con el acento óxido */
#suplementos .card { border-top: 6px solid var(--oxido); }

.check-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.check-list li { padding-left: 34px; position: relative; color: var(--tinta); }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: -1px;
  width: 22px; height: 22px;
  background: var(--tinta);
  color: var(--amarillo-seguridad);
  font-weight: 700;
  font-size: 0.72rem;
  display: flex; align-items: center; justify-content: center;
}

.stat-block { display: grid; gap: 20px; }
.stat {
  background: var(--papel);
  border: 2px solid var(--acero);
  padding: 22px 26px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.stat-num { font-family: var(--font-mono); font-size: 1.4rem; color: var(--oxido); font-weight: 700; }
.stat-label { color: var(--acero); font-size: 0.95rem; }

.supplements-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 36px; }
.supplements-cta .btn-ghost { border-color: var(--tinta); color: var(--tinta); }
.supplements-cta .btn-ghost:hover { background: var(--tinta); color: var(--concreto); }

.address { font-size: 1.05rem; color: var(--tinta); font-family: var(--font-mono); }
.hours { border-collapse: collapse; margin: 18px 0 24px; width: 100%; max-width: 380px; font-family: var(--font-mono); }
.hours th, .hours td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--acero); font-weight: 400; }
.hours th { color: var(--acero); font-weight: 500; }

.map-frame { border: 2px solid var(--tinta); box-shadow: var(--shadow-hard); overflow: hidden; }
.map-frame iframe { width: 100%; height: 340px; border: 0; }

.gallery-item {
  aspect-ratio: 4 / 3;
  background: var(--papel);
  border: 2px solid var(--tinta);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 20px;
}
.gallery-icon { font-size: 2.2rem; }
.gallery-label { font-weight: 600; color: var(--tinta); font-size: 0.9rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.03em; }

/* ===================================================================
   CTA FINAL
   =================================================================== */
.cta-final {
  background: var(--oxido);
  color: var(--concreto);
  text-align: center;
  padding: 70px 0;
}
.cta-final h2 { color: var(--concreto); }
.cta-final p { color: rgba(220,215,204,0.9); margin-bottom: 26px; }

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer { background: var(--tinta); color: rgba(220,215,204,0.8); padding: 50px 0 20px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-bottom: 30px; }
.footer-contact { display: flex; flex-direction: column; gap: 6px; }
.footer-contact a { text-decoration: none; color: var(--concreto); font-family: var(--font-mono); }
.footer-credit { text-align: center; font-size: 0.8rem; padding-top: 20px; border-top: 1px solid rgba(220,215,204,0.15); }
.footer-credit a { text-decoration: underline; }

/* ===================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   No incluido: el WhatsApp del negocio aún no está confirmado.
   Regla del proyecto: sin WhatsApp confirmado, se oculta/quita por
   completo el botón flotante y se usa "Llamar" (tel:) como CTA
   principal en su lugar. Reactivar aquí si el cliente confirma.
   =================================================================== */

/* ===================================================================
   ANIMACIÓN AL HACER SCROLL (respeta reduced-motion)
   =================================================================== */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn:hover, .btn:active { transform: none; }
  .hazard-band { animation: none; }
  .hazard-band h1 { transform: none; }
}

/* ===================================================================
   RESPONSIVE — mobile first desde 640px hacia abajo
   =================================================================== */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .hazard-band { width: 120%; margin-left: -10%; padding: 22px 10%; }
  .hazard-band h1 { padding: 10px 18px; }
  .nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; background: none; border: none; cursor: pointer;
  }
  .nav-toggle span { width: 100%; height: 2px; background: var(--concreto); }
  .nav.is-open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--tinta);
    padding: 20px 24px 28px;
    gap: 18px;
  }
  .header-inner { position: relative; }
  .hero { padding: 60px 0 90px; }
  .section { padding: 60px 0; }
}