/* ============================================================
   MERCADO DE DULCES S.R.L. - Estilos de la landing
   Moderno, limpio y responsive.
   ============================================================ */

:root {
  /* Paleta */
  --tinta:       #2d1b26;
  --tinta-suave: #6b5561;
  --primario:    #7b2d5b;
  --primario-os: #5e1f44;
  --acento:      #e0445f;
  --acento-os:   #c52f4b;
  --dorado:      #f2a33c;
  --fondo:       #faf6f1;
  --blanco:      #ffffff;
  --borde:       #eadcd2;

  /* Tipografía */
  --fuente-cuerpo: 'Inter', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --fuente-titulo: 'Sora', var(--fuente-cuerpo);

  /* Sombras */
  --sombra:        0 10px 30px rgba(45, 27, 38, .08);
  --sombra-suave:  0 4px 14px rgba(45, 27, 38, .06);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente-cuerpo);
  color: var(--tinta);
  background: var(--fondo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--acento); }
h1, h2, h3 { font-family: var(--fuente-titulo); line-height: 1.2; }
:focus-visible { outline: 3px solid var(--dorado); outline-offset: 2px; }

.contenedor { max-width: 1140px; margin: 0 auto; padding: 0 22px; }

/* ============================================================
   Botones
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--fuente-cuerpo);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s, color .15s;
}
.btn:active { transform: translateY(1px); }

.btn-primario {
  background: var(--acento);
  color: #fff;
  box-shadow: 0 6px 0 var(--acento-os);
}
.btn-primario:hover { background: var(--acento-os); box-shadow: 0 4px 0 #b32943; }

.btn-borde { background: transparent; color: var(--primario); border-color: var(--primario); }
.btn-borde:hover { background: var(--primario); color: #fff; }

.btn-lg { padding: 15px 28px; font-size: 16px; }

/* ============================================================
   Cabecera
   ============================================================ */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borde);
}
.cabecera-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 12px; padding-bottom: 12px; }

.logo img { height: 150px; width: auto; }

.nav { display: flex; gap: 26px; }
.nav a {
  color: var(--tinta-suave);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav a:hover { color: var(--primario); border-color: var(--dorado); }
.nav a.activo { color: var(--primario); border-color: var(--acento); }

.cabecera-acciones { display: flex; align-items: center; gap: 14px; }

.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 2px solid var(--borde);
  border-radius: 10px;
  background: var(--blanco);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-btn span { display: block; width: 20px; height: 2px; background: var(--primario); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-btn.abierto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.abierto span:nth-child(2) { opacity: 0; }
.menu-btn.abierto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background:
    radial-gradient(600px 340px at 85% 8%, rgba(242, 163, 60, .18), transparent 60%),
    radial-gradient(700px 420px at 8% 90%, rgba(224, 68, 95, .10), transparent 60%),
    linear-gradient(180deg, #fff, var(--fondo));
  padding: 68px 0 80px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }

.etiqueta {
  display: inline-block;
  background: var(--dorado);
  color: #4a3008;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(28px, 4.2vw, 46px);
  color: var(--primario-os);
  margin-bottom: 16px;
}
.hero h1 span { color: var(--acento); }
.hero-texto p { color: var(--tinta-suave); font-size: 17px; max-width: 540px; margin-bottom: 26px; }

.hero-acciones { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

.hero-datos { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero-datos li { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; color: var(--tinta-suave); }
.hero-datos svg { color: var(--dorado); flex-shrink: 0; }

/* Tarjeta "listado" decorativa */
.hero-visual { display: flex; justify-content: center; }
.tarjeta-lista {
  width: 100%;
  max-width: 400px;
  background: var(--blanco);
  border: 2px solid var(--primario);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--sombra);
  transform: rotate(1.5deg);
  transition: transform .2s;
}
.tarjeta-lista:hover { transform: rotate(0deg); }
.tl-imagen {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  margin: 4px 0 10px;
}
.tl-total-texto {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 14px;
  color: var(--primario-os);
  text-align: center;
  margin: 4px 0 0;
}

/* ============================================================
   Secciones genéricas
   ============================================================ */
.seccion { padding: 72px 0; }
.seccion-alt { background: #fff; }

.bloque-titulo { text-align: center; max-width: 680px; margin: 0 auto 42px; }
.eyebrow {
  display: inline-block;
  color: var(--acento);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.bloque-titulo h2 { color: var(--primario-os); font-size: clamp(24px, 3vw, 34px); margin-bottom: 12px; }
.lead { color: var(--tinta-suave); font-size: 16px; }

/* Grid de 3 (qué hacemos) */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: var(--sombra-suave);
  transition: transform .18s, box-shadow .18s;
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.tarjeta-icono {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  margin-bottom: 16px;
}
.tarjeta-icono-1 { background: linear-gradient(135deg, #7b2d5b, #a53a74); }
.tarjeta-icono-2 { background: linear-gradient(135deg, #e0445f, #f2697f); }
.tarjeta-icono-3 { background: linear-gradient(135deg, #f2a33c, #f7bd6b); }
.tarjeta h3 { color: var(--primario-os); font-size: 18px; margin-bottom: 8px; }
.tarjeta p { color: var(--tinta-suave); font-size: 14.5px; }

/* ============================================================
   Marcas
   ============================================================ */
.grid-marcas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.logo-marca {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 34px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.logo-marca:hover { transform: translateY(-3px); box-shadow: var(--sombra-suave); border-color: var(--dorado); }
.logo-marca img { max-height: 84px; width: auto; max-width: 85%; transition: transform .2s; }
.logo-marca:hover img { transform: scale(1.04); }

.nota-marcas { text-align: center; color: var(--tinta-suave); font-size: 14.5px; margin-top: 26px; }

/* ============================================================
   Productos
   ============================================================ */
.caja-productos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, var(--primario), var(--primario-os));
  color: #fff;
  border-radius: 22px;
  padding: 48px;
  box-shadow: var(--sombra);
  position: relative;
  overflow: hidden;
}
.caja-productos::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 15%, rgba(242, 163, 60, .35), transparent 40%);
  pointer-events: none;
}
.caja-productos .eyebrow { color: var(--dorado); }
.caja-productos h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.caja-productos .cp-texto > p { color: rgba(255, 255, 255, .85); font-size: 15.5px; margin-bottom: 18px; }

.cp-notas { list-style: none; margin-bottom: 26px; }
.cp-notas li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, .9);
  font-size: 14.5px;
  margin-bottom: 8px;
}
.cp-notas li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--dorado);
  font-weight: 700;
}
.cp-notas b { color: #fff; }

.caja-productos .btn-primario { background: var(--dorado); color: #4a3008; box-shadow: 0 6px 0 #c9811f; }
.caja-productos .btn-primario:hover { background: #f7bd6b; box-shadow: 0 4px 0 #c9811f; }

/* ============================================================
   Contacto
   ============================================================ */
.grid-contacto {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 28px;
  align-items: start;
}

.caja-info, .caja-formulario {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 16px;
  box-shadow: var(--sombra-suave);
  padding: 30px;
}
.caja-info h3, .caja-formulario h3 { color: var(--primario-os); margin-bottom: 20px; font-size: 20px; }

.info-lista { list-style: none; }
.info-lista li { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--borde); }
.info-lista li:last-child { border-bottom: none; }
.info-lista svg { color: var(--acento); flex-shrink: 0; margin-top: 3px; }
.info-lista b { display: block; font-size: 13px; color: var(--tinta-suave); font-weight: 600; }
.info-lista span, .info-lista a { font-size: 15px; color: var(--tinta); }
.info-lista a { text-decoration: none; font-weight: 600; }
.info-lista a:hover { color: var(--acento); text-decoration: underline; }

/* Formulario */
.formulario .fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campo { margin-bottom: 16px; }
.campo label { display: block; font-size: 14px; font-weight: 600; color: var(--primario-os); margin-bottom: 6px; }
.campo label span { color: var(--acento); }
.campo input, .campo textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  font-family: var(--fuente-cuerpo);
  font-size: 15px;
  color: var(--tinta);
  background: #fffdfb;
  transition: border-color .15s, box-shadow .15s;
}
.campo input:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--acento);
  box-shadow: 0 0 0 3px rgba(224, 68, 95, .12);
}
.campo.invalido input, .campo.invalido textarea { border-color: var(--acento); background: #fff3f4; }
.campo .error-campo { display: none; font-size: 12.5px; color: var(--acento-os); margin-top: 4px; font-weight: 600; }
.campo.invalido .error-campo { display: block; }

.campo-oculto { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }

.btn-enviar { width: 100%; margin-top: 6px; }

.aviso {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}
.aviso.ok { display: block; background: #e3f5ec; color: #0f6b44; border: 1.5px solid #7cc7a0; }
.aviso.error { display: block; background: #ffe9ec; color: var(--acento-os); border: 1.5px solid #f0a6b4; }
.aviso.cargando { display: block; background: #f2f0ff; color: var(--primario); border: 1.5px solid #c8b9f0; }
.aviso.visible { display: block; }

/* ============================================================
   Pie
   ============================================================ */
.pie {
  background: var(--primario-os);
  color: rgba(255, 255, 255, .8);
  text-align: center;
  padding: 34px 0;
  font-size: 14px;
}
.pie-nav { display: flex; justify-content: center; gap: 24px; margin-bottom: 14px; }
.pie-nav a { color: rgba(255, 255, 255, .85); text-decoration: none; font-weight: 600; }
.pie-nav a:hover { color: var(--dorado); }
.pie p { margin-bottom: 4px; }
.pie-copy { font-size: 12.5px; opacity: .7; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-visual { order: -1; }
  .tarjeta-lista { max-width: 340px; transform: none; }
  .grid-3 { grid-template-columns: 1fr; gap: 18px; }
  .caja-productos { grid-template-columns: 1fr; padding: 34px 26px; }
  .grid-contacto { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .cabecera-inner { flex-wrap: wrap; }
  .menu-btn { display: flex; }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    padding: 12px 0 6px;
  }
  .nav.abierto { display: flex; }
  .nav a { padding: 10px 6px; font-size: 16px; border-bottom: none; }

  .hero { padding: 44px 0 56px; }
  .hero-visual, .tarjeta-lista { display: none; }
  .hero-acciones .btn { width: 100%; }
  .formulario .fila { grid-template-columns: 1fr; gap: 0; }
  .seccion { padding: 52px 0; }
  .caja-info, .caja-formulario { padding: 24px 20px; }
  .grid-marcas { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .pie-nav { flex-wrap: wrap; gap: 14px; }
}