/* Enerfly · sitio web
   Layout: flujo continuo sin tarjetas; bandas que se unen con ondas, listas separadas por líneas finas, tipografía grande y aire. */
:root {
  --morado: #4A235A;
  --morado-osc: #2E1438;
  --violeta: #9B59B6;
  --violeta-txt: #7D3C98;
  --coral: #FF7F50;
  --coral-txt: #C2481E;
  --coral-claro: #FF9A75;
  --fondo: #FAF7F2;
  --lavanda: #F1E9F4;
  --blanco: #FFFFFF;
  --tinta: #3A1C47;
  --tinta-suave: #5E4B68;
  --linea: #DCCFE2;
  --sobre-morado: #EADCF0;
  --display: "Montserrat", "Segoe UI", Arial, sans-serif;
  --cuerpo: "Open Sans", "Segoe UI", Arial, sans-serif;
  --ancho: 1120px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--fondo); color: var(--tinta); font-family: var(--cuerpo); font-size: 17px; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--violeta-txt); }
a:hover { color: var(--morado); }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; text-wrap: balance; margin: 0; color: var(--morado); }
h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.015em; }
h3 { font-size: 1.12rem; font-weight: 700; }
p { margin: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.envoltura { max-width: var(--ancho); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.etiqueta { font-family: var(--display); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--violeta-txt); }

.saltar { position: absolute; left: -9999px; top: 8px; z-index: 40; background: var(--coral); color: var(--morado-osc); padding: 10px 16px; border-radius: 999px; font-family: var(--display); font-weight: 700; }
.saltar:focus { left: 16px; }

/* Cabecera blanca */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--blanco); }
.cabecera { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--blanco); box-shadow: 0 1px 0 var(--linea); }
.cabecera .envoltura { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; }
.marca img { width: 210px; }
.menu { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.menu a { color: var(--tinta); text-decoration: none; font-family: var(--display); font-weight: 600; font-size: 0.92rem; padding: 10px 12px; border-radius: 999px; min-height: 44px; display: inline-flex; align-items: center; }
.menu a:hover { background: var(--lavanda); color: var(--morado); }
.menu a[aria-current="page"] { color: var(--coral-txt); }
.menu a.boton-menu { background: var(--coral); color: var(--morado-osc); margin-left: 8px; }
.menu a.boton-menu:hover { background: var(--coral-claro); color: var(--morado-osc); }
.menu-toggle { display: none; }
@media (max-width: 1040px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--linea); border-radius: 10px; background: transparent; color: var(--morado); cursor: pointer; }
  .menu { display: none; width: 100%; flex-direction: column; align-items: stretch; padding-bottom: 10px; }
  .menu.abierto { display: flex; }
  .menu a.boton-menu { margin-left: 0; justify-content: center; }
  .cabecera .envoltura { flex-wrap: wrap; }
  .marca img { width: 170px; }
}

/* Héroe con onda inferior */
.heroe { background: var(--morado); color: var(--sobre-morado); position: relative; }
.heroe .envoltura { padding-block: 80px 120px; display: flex; flex-direction: column; gap: 22px; }
.heroe h1 { color: #fff; max-width: 15em; }
.heroe h1 em { font-style: normal; color: var(--coral); }
.heroe .bajada { font-size: 1.2rem; max-width: 32em; }
.heroe .etiqueta { color: var(--coral-claro); }
.heroe-simple .envoltura { padding-block: 64px 104px; }
.heroe-simple h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); }
.onda { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 72px; display: block; }
.onda .relleno { fill: var(--fondo); }
.onda .trazo { fill: none; stroke: url(#grad-onda); stroke-width: 3; }
.heroe.a-lavanda .onda .relleno { fill: var(--lavanda); }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; }

.boton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 12px 24px; border-radius: 999px; font-family: var(--display); font-weight: 700; font-size: 1rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; }
.boton-coral { background: var(--coral); color: var(--morado-osc); }
.boton-coral:hover { background: var(--coral-claro); color: var(--morado-osc); }
.boton-borde { border-color: rgba(255,255,255,0.45); color: #fff; }
.boton-borde:hover { border-color: #fff; color: #fff; }
.boton-morado { background: var(--morado); color: #fff; }
.boton-morado:hover { background: var(--morado-osc); color: #fff; }
.enlace { font-family: var(--display); font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; }
.enlace::after { content: "→"; transition: transform .2s; }
.enlace:hover::after { transform: translateX(4px); }

/* Secciones */
.seccion { padding-block: 80px; }
.seccion-lavanda { background: var(--lavanda); }
.encabezado { display: flex; flex-direction: column; gap: 12px; max-width: 40em; margin-bottom: 44px; }
.encabezado p { color: var(--tinta-suave); font-size: 1.08rem; }
.dos { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.dos > * { min-width: 0; }
.columna { display: flex; flex-direction: column; gap: 16px; }
@media (max-width: 860px) {
  .dos { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .seccion { padding-block: 56px; }
  .heroe .envoltura { padding-block: 56px 100px; }
}

/* Lista abierta: ítems separados por línea superior, sin cajas */
.lista { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; row-gap: 36px; }
.lista.l2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.item { display: flex; flex-direction: column; gap: 8px; padding-top: 20px; border-top: 1px solid var(--linea); min-width: 0; }
.item svg { color: var(--coral-txt); }
.item p { color: var(--tinta-suave); }
@media (max-width: 860px) { .lista, .lista.l2 { grid-template-columns: minmax(0, 1fr); row-gap: 24px; } }

/* Cifras en línea */
.cifras { display: flex; flex-wrap: wrap; gap: 28px 56px; }
.cifra { display: flex; flex-direction: column; gap: 2px; }
.cifra strong { font-family: var(--display); font-weight: 800; font-size: clamp(1.8rem, 3.6vw, 2.6rem); color: var(--morado); line-height: 1.1; font-variant-numeric: tabular-nums; }
.cifra span { color: var(--tinta-suave); font-size: 0.95rem; }
.nota { font-size: 0.85rem; color: var(--tinta-suave); }

/* Fuentes en línea */
.fuentes { display: flex; flex-direction: column; }
.fuente { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 16px; padding-block: 14px; border-top: 1px solid var(--linea); }
.fuente:last-child { border-bottom: 1px solid var(--linea); }
.fuente strong { font-family: var(--display); font-weight: 800; color: var(--morado); }
.fuente span { color: var(--tinta-suave); }
@media (max-width: 480px) { .fuente { grid-template-columns: minmax(0, 1fr); gap: 2px; } }

.grafico { margin: 0; display: flex; flex-direction: column; gap: 12px; }
.grafico svg { width: 100%; height: auto; }

/* Pasos */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: paso; }
.pasos li { counter-increment: paso; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.pasos li::before { content: counter(paso); font-family: var(--display); font-weight: 800; font-size: 2.4rem; line-height: 1; color: var(--violeta); }
.pasos li:last-child::before { color: var(--coral); }
.pasos p { color: var(--tinta-suave); font-size: 0.97rem; }
@media (max-width: 860px) { .pasos { grid-template-columns: minmax(0, 1fr); } }

.cita { font-family: var(--display); font-weight: 700; font-size: clamp(1.5rem, 3.2vw, 2.3rem); line-height: 1.3; color: var(--morado); text-wrap: balance; max-width: 24em; }

/* Banda final */
.cta { background: var(--morado); color: var(--sobre-morado); position: relative; overflow: hidden; }
.cta .envoltura { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; padding-block: 64px; }
.cta h2 { color: #fff; max-width: 18em; }
.cta p { margin-top: 8px; }

/* Formulario */
.formulario { display: flex; flex-direction: column; gap: 18px; }
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo label, .campo .rotulo { font-family: var(--display); font-weight: 600; font-size: 0.92rem; color: var(--morado); }
.campo input, .campo select, .campo textarea { font: inherit; font-size: 1rem; color: var(--tinta); background: var(--blanco); border: 1px solid var(--linea); border-radius: 12px; padding: 12px 14px; min-height: 50px; width: 100%; }
.campo textarea { min-height: 110px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 3px solid var(--violeta); outline-offset: 1px; }
.fila-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 560px) { .fila-2 { grid-template-columns: minmax(0, 1fr); } }
.carga { position: relative; display: flex; align-items: center; gap: 14px; padding: 18px; border: 2px dashed var(--violeta); border-radius: 14px; background: var(--blanco); cursor: pointer; }
.carga:hover, .carga.sobre { background: var(--lavanda); }
.carga input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.carga:focus-within { outline: 3px solid var(--coral); outline-offset: 2px; }
.carga svg { color: var(--violeta-txt); flex: none; }
.carga strong { font-family: var(--display); color: var(--morado); display: block; }
.carga small { color: var(--tinta-suave); }
.ayuda { font-size: 0.88rem; color: var(--tinta-suave); }
.aviso-error { color: var(--coral-txt); font-weight: 600; }
.aviso-ok { padding: 12px 14px; border-radius: 10px; background: var(--lavanda); color: var(--morado); }
.correo-caja { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.correo-caja code { font-family: var(--display); font-weight: 700; font-size: 1.15rem; color: var(--morado); user-select: all; }
.boton-copiar { min-height: 44px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--linea); background: var(--blanco); color: var(--morado); font-family: var(--display); font-weight: 600; cursor: pointer; }

/* Pie */
.pie { background: var(--morado-osc); color: var(--sobre-morado); font-size: 0.95rem; }
.pie .envoltura { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr)); gap: 28px; padding-block: 48px 28px; }
.pie img { width: 160px; }
.pie a { color: var(--sobre-morado); text-decoration: none; }
.pie a:hover { color: var(--coral-claro); }
.pie nav { display: flex; flex-direction: column; gap: 8px; }
.pie .titulo-pie { font-family: var(--display); font-weight: 700; color: var(--coral-claro); font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase; }
.pie .legal { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.12); padding-top: 18px; font-size: 0.85rem; color: #CDB9D6; }
@media (max-width: 760px) { .pie .envoltura { grid-template-columns: minmax(0, 1fr); } }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .enlace::after { transition: none; } }