/* Tokens de la suite Lcorp (artefacto "Fondos Lcorp"). Claro por defecto; oscuro solo con el botón. */
:root {
  color-scheme: light;
  --paper: #EBF8F4;
  --stage: #F4FFF9;
  --text: #10232E;
  --muted: #52677A;
  --ink: #425564;
  --sel: #0B5979;
  --hair: color-mix(in srgb, var(--text) 16%, transparent);
  --hair-2: color-mix(in srgb, var(--text) 28%, transparent);
  --veil: color-mix(in srgb, var(--paper) 50%, transparent);
  --halo: color-mix(in srgb, var(--paper) 70%, transparent);

    --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --step--1: clamp(0.7rem, 0.68rem + 0.1vw, 0.76rem);
  --step-0: clamp(0.98rem, 0.95rem + 0.15vw, 1.05rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.4vw, 1.4rem);
  --step-2: clamp(1.9rem, 1.6rem + 1.4vw, 2.8rem);
  --step-3: clamp(2.6rem, 1.9rem + 3.4vw, 4.6rem);

  --s-4: 0.25rem;  --s-8: 0.5rem;  --s-12: 0.75rem; --s-16: 1rem;
  --s-24: 1.5rem;  --s-32: 2rem;   --s-48: 3rem;    --s-64: 4rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --bar-h: 4rem;
  --steps-h: 3.5rem;
  --gutter: clamp(1.25rem, 6vw, 5rem);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #07161C; --stage: #0B1C23;
  --text: #F1F7F8; --muted: #B4C4CF; --ink: #D0DCE3; --sel: #9ED4E8;
  --veil: color-mix(in srgb, var(--paper) 66%, transparent);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; }

html, body { height: 100%; overflow: hidden; }
body {
  font: 300 var(--step-0)/1.7 var(--sans);
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
::selection { background: color-mix(in srgb, var(--sel) 20%, transparent); }
a { color: var(--sel); text-decoration: none; transition: color 130ms; }
a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
:focus-visible { outline: 1px solid var(--sel); outline-offset: 3px; border-radius: 2px; }

.label {
  font: 400 var(--step--1)/1.4 var(--mono);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink);
}

/* ---- fondo fijo (Prisma Lcorp); el degradado queda si no hay canvas ---- */
#fondo, .veil, .grain { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; }
#fondo { z-index: 0; display: block;
  background: linear-gradient(180deg, #f8fffb, #d3efe6 70%, #ade0e6); }
:root[data-theme="dark"] #fondo { background: linear-gradient(180deg, #07161c, #0d3649 70%, #0b5979); }
/* velo suave detrás del texto: sin cajas, solo aclara (u oscurece) el fondo donde se lee */
.veil { z-index: 1; background: radial-gradient(ellipse 58% 72% at 50% 50%, var(--veil), transparent 78%); }
.grain { z-index: 1; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---- barra superior ---- */
.bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  height: var(--bar-h);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-16);
  padding: 0 var(--gutter);
}
.brand {
  font: 500 1.05rem/1 var(--sans); color: var(--text); letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 0.6rem;
}
.brand .mark { width: 1.75rem; height: 1.75rem; flex: none; color: var(--text); shape-rendering: geometricPrecision; transform: translateZ(0); }
.brand:hover { text-decoration: none; }
.brand b { font-weight: 300; }
.nav { display: flex; align-items: center; gap: clamp(0.75rem, 2.5vw, 1.75rem); }
.nav a, .nav button {
  font: 400 0.82rem/1 var(--sans); letter-spacing: 0.02em; color: var(--ink);
  padding: 0.45rem 0; border: 0; border-bottom: 1px solid transparent; background: none; cursor: pointer;
  transition: color 130ms, border-color 200ms;
}
.nav a:hover, .nav button:hover { text-decoration: none; color: var(--text); }
.nav a[aria-current="true"] { color: var(--text); border-bottom-color: var(--text); }
.theme-toggle { display: inline-grid; place-items: center; width: 2rem; height: 2rem; padding: 0 !important; border-radius: 50%; color: var(--ink) !important; }
.theme-toggle:hover { background: color-mix(in srgb, var(--text) 7%, transparent) !important; }
.theme-toggle svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; grid-area: 1 / 1; transition: opacity 200ms, transform 320ms var(--ease-out); }
.theme-toggle .sol { opacity: 0; transform: rotate(-45deg) scale(0.8); }
:root[data-theme="dark"] .theme-toggle .luna { opacity: 0; transform: rotate(45deg) scale(0.8); }
:root[data-theme="dark"] .theme-toggle .sol { opacity: 1; transform: none; }
@media (max-width: 40rem) { .nav [data-hide] { display: none; } }

/* ---- recorrido horizontal ---- */
.track {
  position: relative; z-index: 2;
  height: 100%;
  display: flex;
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.track::-webkit-scrollbar { display: none; }
.panel {
  flex: 0 0 100%;
  height: 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: calc(var(--bar-h) + var(--s-24)) var(--gutter) calc(var(--steps-h) + var(--s-24));
}

/* contenido sin caja: el fondo se ve detrás */
.card {
  width: 100%; max-width: 40rem;
  display: grid; gap: var(--s-24);
  text-shadow: 0 0 24px var(--halo);
}
.card.wide { max-width: 52rem; }
/* en oscuro las nubes claras pasan detrás del texto: sombra doble y trazo algo más firme */
:root[data-theme="dark"] .card { text-shadow: 0 1px 2px rgba(4, 11, 18, 0.55), 0 0 18px var(--paper); font-weight: 400; }
:root[data-theme="dark"] .bar, :root[data-theme="dark"] .steps, :root[data-theme="dark"] .hint { text-shadow: 0 1px 2px rgba(4, 11, 18, 0.6), 0 0 12px var(--paper); }

h1, h2 { font-family: var(--sans); font-weight: 300; letter-spacing: -0.025em; text-wrap: balance; color: var(--text); }
h1 { font-size: var(--step-3); line-height: 1.05; }
h1 em, h2 em { font-style: normal; color: var(--sel); }
h2 { font-size: var(--step-2); line-height: 1.1; }
p { text-wrap: pretty; max-width: 60ch; }
.lead { font-size: var(--step-1); font-weight: 300; line-height: 1.55; color: var(--ink); }
.soft { color: var(--ink); }

/* portada simple, centrada */
.card.hero { max-width: 52rem; justify-items: center; text-align: center; gap: var(--s-16); }
.hero h1 { font-size: clamp(2.8rem, 1.8rem + 4.6vw, 5.6rem); line-height: 1.04; }
.hero h1 em { display: block; color: var(--ink); }
.rule { width: 3rem; height: 1px; background: var(--hair-2); margin: var(--s-16) 0 var(--s-4); }
.contact-line { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-8) var(--s-16); max-width: none; font-size: 0.92rem; }
.contact-line a { color: var(--ink); }
.contact-line a:hover { color: var(--text); }
.contact-line span { color: var(--muted); }
#portada { position: relative; }
.hint { position: absolute; left: 50%; bottom: calc(var(--steps-h) + var(--s-16)); transform: translateX(-50%); font-size: 0.64rem; color: var(--muted); }
.hint:hover { text-decoration: none; color: var(--text); }
@media (max-width: 34rem) { .contact-line { flex-direction: column; align-items: center; } .contact-line span { display: none; } }

.actions { display: flex; flex-wrap: wrap; gap: var(--s-12); }
.btn {
  display: inline-flex; align-items: center; gap: var(--s-8);
  font: 400 0.88rem/1 var(--sans); letter-spacing: 0.01em;
  padding: 0.8rem 1.4rem; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--hair-2); background: transparent; color: var(--text);
  text-shadow: none;
  transition: border-color 200ms, background-color 200ms, transform 200ms var(--ease-out);
}
.btn:hover { text-decoration: none; border-color: var(--text); }
.btn.pri { background: var(--text); border-color: var(--text); color: var(--paper); }
.btn.pri:hover { transform: translateY(-1px); }

.svc { list-style: none; padding: 0; border-top: 1px solid var(--hair); }
.svc li {
  display: grid; grid-template-columns: 2.25rem 1fr auto; gap: var(--s-12); align-items: baseline;
  padding: var(--s-16) 0; border-bottom: 1px solid var(--hair);
}
.svc .n { font: 400 var(--step--1)/1 var(--mono); color: var(--muted); }
.svc .t { font: 400 var(--step-1)/1.3 var(--sans); }
.svc .d { color: var(--ink); font-size: 0.88rem; text-align: right; }
@media (max-width: 34rem) { .svc li { grid-template-columns: 1.75rem 1fr; } .svc .d { grid-column: 2; text-align: left; } }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-24) var(--s-32); }
.field { display: grid; gap: var(--s-4); }
.field.full { grid-column: 1 / -1; }
.field label { font: 400 0.66rem/1.4 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink); }
.field .opt { color: var(--muted); text-transform: none; letter-spacing: 0; }
.field input, .field textarea {
  font: 300 1rem/1.5 var(--sans); color: var(--text);
  padding: 0.4rem 0; border: 0; border-bottom: 1px solid var(--hair-2); border-radius: 0;
  background: transparent;
  transition: border-color 200ms;
}
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--sel); }
.field textarea { resize: vertical; min-height: 5rem; }
.form .btn { justify-self: start; grid-column: 1 / -1; margin-top: var(--s-8); }
.honey { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 34rem) { .form { grid-template-columns: 1fr; } }

.loc { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--s-32); align-items: start; }
.map { aspect-ratio: 4 / 3; border-radius: 4px; overflow: hidden; border: 1px solid var(--hair); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; filter: saturate(0.6); }
address { font: 400 var(--step-1)/1.5 var(--sans); font-style: normal; }
.meta { display: grid; gap: var(--s-8); margin-top: var(--s-24); }
.meta div { display: grid; grid-template-columns: 3rem 1fr; gap: var(--s-8); align-items: baseline; }
.meta dt { font: 400 0.66rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.meta dd { overflow-wrap: anywhere; }
.foot { border-top: 1px solid var(--hair); padding-top: var(--s-16); color: var(--muted); font-size: 0.8rem; }
@media (max-width: 40rem) { .loc { grid-template-columns: 1fr; } }

/* ---- recorrido inferior ---- */
.steps {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  height: var(--steps-h);
  display: flex; align-items: center; justify-content: center;
  padding: 0 var(--gutter) env(safe-area-inset-bottom, 0);
}
.steps-in { display: flex; align-items: center; gap: clamp(0.5rem, 2vw, 1.5rem); }
.steps button {
  font: 400 0.76rem/1 var(--sans); letter-spacing: 0.02em; color: var(--muted);
  border: 0; background: none; cursor: pointer; padding: 0.5rem 0.1rem;
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.45rem;
  transition: color 200ms;
}
.steps button::after {
  content: ""; width: 1.5rem; height: 1px; background: var(--hair-2);
  transition: background-color 200ms, width 320ms var(--ease-out);
}
.steps button:hover { color: var(--text); }
.steps button[aria-current="true"] { color: var(--text); }
.steps button[aria-current="true"]::after { background: var(--text); width: 2.5rem; }
.steps .arrow { font-size: 0.95rem; color: var(--ink); }
.steps .arrow::after { display: none; }
.steps .arrow:disabled { opacity: 0.3; cursor: default; }
@media (max-width: 44rem) {
  .steps button span { display: none; }
  .steps button { gap: 0; padding: 0.75rem 0.1rem; }
}

/* entrada suave del contenido al llegar a cada panel */
@media (prefers-reduced-motion: no-preference) {
  .panel .card { transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out); }
  .panel:not(.on) .card { opacity: 0; transform: translateX(2rem); }
}

/* ---- páginas de una sola pantalla (gracias, 404) ---- */
.solo { position: relative; z-index: 2; height: 100%; }
.solo .panel { padding-bottom: calc(var(--s-48) + var(--s-24)); }