/* JML Consulting — propuesta estilo neón v0.2
   Layout: bandas oscuras a todo el ancho, columna de 1180px; acento aqua neón (del teal de JML) usado con moderación,
   bordes finos con degradado, brillo solo donde hay interacción. */
:root {
  --bg: #020E24;
  --bg-2: #010A1B;
  --surface: #071A35;
  --surface-2: #0B2142;
  --line: rgba(210, 220, 232, .12);
  --line-strong: rgba(210, 220, 232, .24);
  --fg: #FFFFFF;
  --fg-2: #C5CDD8;
  --muted: #8794A6;
  --neon: #FFFFFF;
  --neon-2: #8C9BB0;
  --neon-soft: rgba(255, 255, 255, .08);
  --neon-glow: rgba(255, 255, 255, .16);
  --on-neon: #020E24;
  --warn: #FFB547;
  --crit: #FF7A7A;
  --serif: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --quote: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --maxw: 1180px;
  --radius: 20px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --btn: #FFFFFF;
  --sheen: #AEB9C8;
  --bg-rgb: 2, 14, 36;
  --glass-rgb: 7, 26, 53;
  --line-rgb: 210, 220, 232;
  --hi-rgb: 255, 255, 255;
  --grain: .035;
  color-scheme: dark;
  --acc-rgb: 255, 255, 255;
}
/* Modo día: mismos componentes, paleta clara con el aqua más oscuro para que el texto se lea */
html[data-mode="day"] {
  --bg: #FFFFFF;
  --bg-2: #F3F5F8;
  --surface: #FFFFFF;
  --surface-2: #F3F5F8;
  --line: rgba(2, 14, 36, .12);
  --line-strong: rgba(2, 14, 36, .22);
  --fg: #020E24;
  --fg-2: #2B3A50;
  --muted: #5B6878;
  --neon: #020E24;
  --neon-2: #5A6B80;
  --neon-soft: rgba(2, 14, 36, .06);
  --neon-glow: rgba(2, 14, 36, .18);
  --btn: #020E24;
  --sheen: #5A6B80;
  --warn: #A86200;
  --crit: #C0392B;
  --bg-rgb: 255, 255, 255;
  --glass-rgb: 255, 255, 255;
  --line-rgb: 2, 14, 36;
  --hi-rgb: 2, 14, 36;
  --grain: 0;
  color-scheme: light;
  --on-neon: #FFFFFF;
  --acc-rgb: 2, 14, 36;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0; background: var(--bg); color: var(--fg); font-family: var(--sans);
  font-size: 16.5px; line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden;
  font-feature-settings: "ss01", "kern";
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 40; background: var(--bg); }
/* Grano muy sutil para que el negro no se vea plano */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: var(--grain); mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
h1, h2, h3 { font-family: var(--serif); font-weight: 800; font-stretch: 112%; line-height: 1; letter-spacing: -.032em; margin: 0; text-wrap: balance; }
h1, h2 { text-transform: uppercase; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.8rem); line-height: .98; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.2rem); }
h3 { font-size: 1.3rem; font-weight: 700; font-stretch: 105%; letter-spacing: -.015em; }
p { margin: 0; }
a { color: var(--neon); text-decoration: none; }
img { max-width: 100%; display: block; height: auto; }
em.n {
  font-family: var(--quote); font-style: italic; font-weight: 400; font-stretch: 100%; text-transform: none; letter-spacing: -.015em; padding-right: .06em;
  background: linear-gradient(100deg, var(--neon) 10%, var(--sheen) 50%, var(--neon) 90%); background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 18px rgba(var(--acc-rgb), .22));
}
@media (prefers-reduced-motion: no-preference) { em.n { animation: sheen 6s ease-in-out infinite; } }
@keyframes sheen { 50% { background-position: 100% 0; } }
::selection { background: var(--neon); color: var(--on-neon); }
:focus-visible { outline: 1.5px solid var(--neon); outline-offset: 3px; border-radius: 8px; }

.wrap {
  width: 100%; max-width: calc(var(--maxw) + 64px); margin: 0 auto;
  padding-left: max(32px, env(safe-area-inset-left, 0px));
  padding-right: max(32px, env(safe-area-inset-right, 0px));
}
@media (max-width: 640px) {
  .wrap { padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
}
.band { padding-block: clamp(80px, 11vw, 140px); position: relative; }
.band--alt { background: var(--bg-2); }
.band--alt::before, .band--alt::after { content: ""; position: absolute; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong) 30%, var(--line-strong) 70%, transparent); }
.band--alt::before { top: 0; } .band--alt::after { bottom: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px; font: 500 .7rem/1 var(--mono);
  letter-spacing: .2em; text-transform: uppercase; color: var(--neon); margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: linear-gradient(90deg, transparent, var(--neon)); }
.lead { font-size: clamp(1.04rem, 1.4vw, 1.16rem); color: var(--fg-2); max-width: 58ch; font-weight: 400; }
.head { display: grid; gap: 18px; margin-bottom: clamp(40px, 5vw, 64px); max-width: 780px; }
.head .eyebrow { margin-bottom: 0; }

/* Botones */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px;
  padding: 13px 24px; border-radius: 999px; font: 600 .94rem/1.2 var(--sans); letter-spacing: .005em; cursor: pointer;
  border: 1px solid transparent; overflow: hidden; isolation: isolate;
  transition: transform .35s var(--ease), box-shadow .35s, background .25s, color .25s, border-color .25s;
  text-align: center;
}
.btn svg { width: 17px; height: 17px; flex: none; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--neon { background: var(--btn); color: var(--on-neon); box-shadow: 0 8px 30px -10px var(--neon-glow), inset 0 1px 0 rgba(255, 255, 255, .18); }
.btn--neon::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .55) 50%, transparent 70%); transform: translateX(-120%); transition: transform .8s var(--ease); }
.btn--neon:hover { color: var(--on-neon); box-shadow: 0 14px 44px -10px rgba(var(--acc-rgb), .5), inset 0 1px 0 rgba(255, 255, 255, .45); transform: translateY(-1px); }
.btn--neon:hover::after { transform: translateX(120%); }
.btn--ghost { color: var(--fg); border-color: var(--line-strong); background: rgba(var(--hi-rgb), .02); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: rgba(var(--acc-rgb), .55); color: var(--fg); background: rgba(var(--acc-rgb), .05); }

/* Barra de propuesta */
.pbar { background: var(--bg); border-bottom: 1px solid var(--line); color: var(--muted); font: 500 .72rem/1.3 var(--mono); letter-spacing: .04em; }
.pbar .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 18px; padding-block: 9px; }
.pbar b { color: var(--neon); font-weight: 500; }
.pbar a { color: var(--fg); border-bottom: 1px solid var(--line-strong); padding-bottom: 1px; transition: border-color .2s, color .2s; }
.pbar a:hover { color: var(--neon); border-color: var(--neon); }

/* Navegación */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: rgba(var(--bg-rgb), .95); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px; }
.logo img { height: 40px; width: auto; }
.nav ul { display: flex; gap: 6px; list-style: none; margin: 0; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(var(--hi-rgb), .015); }
.nav ul a { display: block; padding: 7px 14px; border-radius: 999px; color: var(--muted); font-size: .86rem; font-weight: 500; transition: color .25s, background .25s; }
.nav ul a:hover { color: var(--fg); }
.nav ul a.on { color: var(--fg); background: rgba(var(--acc-rgb), .08); box-shadow: inset 0 0 0 1px rgba(var(--acc-rgb), .22); }
.nav .btn { min-height: 42px; padding: 9px 18px; font-size: .86rem; }
.progress { position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--neon-2), var(--neon)); box-shadow: 0 0 10px var(--neon); }
@media (max-width: 960px) { .nav ul { display: none; } }
@media (max-width: 420px) { .nav .btn { padding: 9px 14px; font-size: .8rem; } .logo img { height: 34px; } }

/* Tarjetas con borde degradado y foco que sigue al mouse */
.card {
  position: relative; background: linear-gradient(180deg, rgba(var(--hi-rgb), .025), rgba(var(--hi-rgb), 0) 40%), var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 32px); min-width: 0;
  transition: border-color .4s, transform .5s var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--acc-rgb), .10), transparent 45%);
}
.card::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; padding: 1px;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--acc-rgb), .7), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.card:hover::before, .card:hover::after { opacity: 1; }
.card > * { position: relative; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; font: 500 .7rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; border: 1px solid var(--line-strong); color: var(--fg-2); background: rgba(var(--hi-rgb), .015); }

/* Pie */
.foot { border-top: 1px solid var(--line); padding-block: 44px; color: var(--muted); font-size: .86rem; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
.foot img { height: 34px; width: auto; opacity: .8; }

/* Aparición al cargar y al hacer scroll (siempre visible en reposo) */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise 1s var(--ease) both; }
  .rise.d1 { animation-delay: .1s; } .rise.d2 { animation-delay: .2s; } .rise.d3 { animation-delay: .3s; } .rise.d4 { animation-delay: .4s; }
}
@keyframes rise { from { opacity: 0; transform: translateY(18px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes reveal { from { opacity: .15; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ---------- Interruptor día / noche ---------- */
.mode { position: relative; flex: none; width: 62px; height: 34px; border-radius: 999px; border: 1px solid var(--line-strong); background: rgba(var(--hi-rgb), .04); cursor: pointer; padding: 0; transition: border-color .3s, background .4s; }
.mode:hover { border-color: rgba(var(--acc-rgb), .55); }
.mode .knob { position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--btn); color: var(--on-neon); box-shadow: 0 4px 14px -4px var(--neon-glow); transition: transform .55s cubic-bezier(.34, 1.56, .64, 1); }
.mode svg { width: 15px; height: 15px; position: absolute; transition: opacity .3s, transform .5s var(--ease); }
.mode .sun { opacity: 0; transform: rotate(-90deg) scale(.5); }
.mode .moon { opacity: 1; }
.mode .track-ico { position: absolute; top: 50%; transform: translateY(-50%); width: 13px; height: 13px; color: var(--muted); }
.mode .t-sun { right: 9px; } .mode .t-moon { left: 9px; opacity: 0; }
html[data-mode="day"] .mode .knob { transform: translateX(28px); }
html[data-mode="day"] .mode .sun { opacity: 1; transform: none; }
html[data-mode="day"] .mode .moon { opacity: 0; transform: rotate(90deg) scale(.5); }
html[data-mode="day"] .mode .t-sun { opacity: 0; } html[data-mode="day"] .mode .t-moon { opacity: 1; }
.nav-right { display: flex; align-items: center; gap: 12px; }

/* Transición suave al cambiar de modo */
html.switching *, html.switching *::before, html.switching *::after { transition: background-color .6s ease, color .6s ease, border-color .6s ease, fill .6s ease, stroke .6s ease, box-shadow .6s ease !important; }

/* Ajustes propios del modo día */
html[data-mode="day"] .card { box-shadow: 0 20px 50px -34px rgba(2, 14, 36, .35); }
html[data-mode="day"] em.n { filter: none; }
html[data-mode="day"] .btn--neon { box-shadow: 0 8px 24px -10px rgba(var(--acc-rgb), .4), inset 0 1px 0 rgba(255, 255, 255, .6); }

/* Resaltador animado (estilo portafolio) */
mark.hl { color: var(--on-neon); background: linear-gradient(var(--btn), var(--btn)) no-repeat 0 0 / 100% 100%; padding: 0 .14em; margin-inline: -.03em; border-radius: .14em; -webkit-box-decoration-break: clone; box-decoration-break: clone; box-shadow: 0 0 34px -6px var(--neon-glow); }
mark.hl { animation: mark .9s .7s cubic-bezier(.6, 0, .2, 1) both; }
@keyframes mark { from { background-size: 0% 100%; color: inherit; } to { background-size: 100% 100%; } }

/* ---------- Secciones en blanco y en negro (estilo McKinsey) ---------- */
.tone-white {
  --bg: #FFFFFF; --bg-2: #F3F5F7; --surface: #FFFFFF; --surface-2: #F3F5F7;
  --fg: #020E24; --fg-2: #2C3E50; --muted: #5B6B7A; --neon: #FFFFFF; --neon-2: #020E24; --sheen: #020E24;
  --neon-soft: rgba(2, 14, 36, .06); --neon-glow: rgba(var(--acc-rgb), .22);
  --bg-rgb: 255, 255, 255; --glass-rgb: 255, 255, 255; --line-rgb: 5, 28, 44; --hi-rgb: 5, 28, 44;
  --line: rgba(2, 14, 36, .12); --line-strong: rgba(2, 14, 36, .22);
  background: var(--bg); color: var(--fg); color-scheme: light;
  --neon: #020E24;
  --neon-2: #5A6B80;
  --sheen: #5A6B80;
  --btn: #020E24;
  --on-neon: #FFFFFF;
  --neon-glow: rgba(2, 14, 36, .18);
  --line-rgb: 2, 14, 36;
  --hi-rgb: 2, 14, 36;
  --acc-rgb: 2, 14, 36;
  --line-strong: rgba(2, 14, 36, .22);
}
.tone-white .glass, .tone-white .card { box-shadow: 0 22px 50px -34px rgba(2, 14, 36, .35); }
.tone-white .aurora b { opacity: .14 !important; }
.tone-white em.n { filter: none; }
.tone-black {
  --bg: #000000; --bg-2: #000000; --surface: #0D0D0D; --surface-2: #151515;
  --fg: #FFFFFF; --fg-2: #C9C9C9; --muted: #8C8C8C;
  --bg-rgb: 0, 0, 0; --glass-rgb: 16, 16, 16; --line-rgb: 255, 255, 255; --hi-rgb: 255, 255, 255;
  --line: rgba(255, 255, 255, .10); --line-strong: rgba(255, 255, 255, .20);
  background: var(--bg); color: var(--fg); color-scheme: dark;
}
.tone-black .aurora b { opacity: .3 !important; }

/* ---------- Aparecer al hacer scroll ---------- */
html.rv .reveal { transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease), border-color .4s, box-shadow .4s; }
html.rv .reveal:not(.in) { opacity: 0; transform: translateY(38px) scale(.985); filter: blur(6px); }
html.rv .head.reveal:not(.in) { transform: translateY(26px); }

/* ---------- Íconos de enlaces ---------- */
.social { display: flex; flex-wrap: wrap; gap: 10px; }
.social[hidden] { display: none; }
.soc { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: var(--fg); border: 1px solid var(--line-strong); background: rgba(var(--hi-rgb), .03); transition: transform .35s var(--ease), background .3s, color .3s, border-color .3s; }
.soc svg { width: 19px; height: 19px; }
.soc:hover { transform: translateY(-3px); background: var(--btn); color: var(--on-neon); border-color: var(--btn); }
.social-lbl { font: 500 .66rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }