/* HELIA — energía solar. Show-CI: Anton headlines, Permanent Marker accents,
   Inter body, JetBrains Mono for the technical micro-labels. */

:root {
  --noche:  #080d1a;
  --noche2: #0e1730;
  --sol:    #ffb020;
  --sol-2:  #ffd479;
  --azul:   #4fc3f7;
  --hueso:  #f3efe7;
  --gris:   #97a0b5;
  --linea:  rgba(243,239,231,.14);

  /* the light world below the film — same type system, inverted ground */
  --crema:  #f6f2ea;
  --crema2: #efe9dd;
  --tinta:  #16202f;
  --tinta-2:#46536b;
  --oro:    #b07800;
  --raya:   rgba(22,32,47,.16);

  --anton: 'Anton', 'Arial Narrow', sans-serif;
  --marker: 'Permanent Marker', 'Comic Sans MS', cursive;
  --body: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --pad: clamp(1.25rem, 5vw, 5rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--noche);
  color: var(--hueso);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 { font-family: var(--anton); font-weight: 400; letter-spacing: .01em; margin: 0; }

.kicker {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .22em;
  color: var(--sol);
  margin: 0 0 1.1rem;
  text-transform: uppercase;
}
.kicker--dark { color: var(--oro); }

.mark { font-family: var(--marker); color: var(--sol); font-weight: 400; }

/* ── header ─────────────────────────────────────────────────────── */
/* Fixed, but it only exists in two places: over the portada, and again once the film is
   behind you. During the film the film IS the chrome — film.js fades this out and back in.
   The returning state repaints on cream so it never loses contrast. */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--pad);
  background: linear-gradient(to bottom, rgba(8,13,26,.78), transparent);
  backdrop-filter: blur(2px);
  transition: background .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
  will-change: opacity;
}
.top--solid {
  background: rgba(243,239,231,.94); border-bottom-color: var(--raya);
  color: var(--tinta);
}
.top--solid .brand { color: var(--tinta); }
.top--solid .brand__sub { color: var(--tinta-2); }
.top--solid .top__cta { color: var(--tinta); border-color: var(--raya); }
.top--solid .top__cta:hover { background: var(--tinta); color: var(--hueso); border-color: var(--tinta); }
.brand { display: flex; align-items: baseline; gap: .55rem; text-decoration: none; color: var(--hueso); }
.brand__mark {
  width: 13px; height: 13px; border-radius: 50%; align-self: center;
  background: radial-gradient(circle at 38% 34%, var(--sol-2), var(--sol) 55%, #b06d00);
  box-shadow: 0 0 0 3px rgba(79,195,247,.35), 0 0 18px rgba(255,176,32,.7);
}
.brand__name { font-family: var(--anton); font-size: 1.35rem; letter-spacing: .16em; }
.brand__sub { font-family: var(--mono); font-size: .6rem; letter-spacing: .2em; color: var(--gris); text-transform: uppercase; }
.top__cta {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--hueso); text-decoration: none;
  padding: .5rem .95rem; border: 1px solid var(--linea); border-radius: 999px;
  transition: border-color .25s, color .25s, background .25s;
}
.top__cta:hover { border-color: var(--sol); color: var(--noche); background: var(--sol); }

/* ── la portada: vive DENTRO del film, sobre su fotograma 0 ─────── */
/* Same anchor as .chp — the title and chapter 01 cross-fade in exactly the same corner,
   which is what makes the handoff read as one continuous shot instead of two heroes. */
.opening {
  position: absolute; inset: auto auto clamp(3.5rem, 11vh, 7rem) var(--pad);
  width: min(60rem, calc(100% - 2 * var(--pad)));
  pointer-events: none; z-index: 3;
  will-change: opacity;
}
.opening__h {
  font-size: clamp(2.5rem, 8.2vw, 6.6rem);
  line-height: .93;
  text-shadow: 0 2px 40px rgba(0,0,0,.5);
}
.opening__sub {
  font-family: var(--mono); font-size: clamp(.78rem, 1.5vw, .95rem);
  letter-spacing: .16em; text-transform: uppercase; margin: 1.5rem 0 .4rem;
}
.opening__sub .mark { text-transform: none; letter-spacing: 0; font-size: 1.35em; margin-left: .3rem; }
.opening__note { color: var(--gris); max-width: 34rem; margin: .3rem 0 0; }

.cue {
  position: absolute; bottom: 1.6rem; left: 50%; margin-left: -11px;
  width: 22px; height: 34px; border: 1px solid var(--linea); border-radius: 12px;
  z-index: 3; pointer-events: none; will-change: opacity;
}
.cue span {
  display: block; width: 3px; height: 7px; border-radius: 2px; background: var(--sol);
  margin: 6px auto; animation: cue 1.9s ease-in-out infinite;
}
@keyframes cue { 0%,100% { transform: translateY(0); opacity: 1 } 60% { transform: translateY(11px); opacity: .1 } }

/* ── el film ────────────────────────────────────────────────────── */
.film { position: relative; }
.film__sticky {
  position: sticky; top: 0; height: 100svh; overflow: hidden;
  background: #05080f center/cover no-repeat url('../img/kf/kf0.jpg');
}
.film__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.film__vign {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 45%, transparent 45%, rgba(4,6,12,.72) 100%),
    linear-gradient(to top, rgba(4,6,12,.82), transparent 46%);
}
.film__flash {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(60% 50% at 50% 55%, rgba(255,176,32,.55), transparent 70%);
  mix-blend-mode: screen;
}

.chapters { position: absolute; inset: 0; pointer-events: none; }
.chp {
  position: absolute; inset: auto auto clamp(3.5rem, 11vh, 7rem) var(--pad);
  width: min(38rem, calc(100% - 2 * var(--pad)));
  opacity: 0; visibility: hidden;
  transition: opacity .45s ease, visibility 0s linear .45s;
}
.chp.is-on { opacity: 1; visibility: visible; transition: opacity .45s ease, visibility 0s; }
.chp--mid { inset: auto auto 50% var(--pad); transform: translateY(50%); }
.chp--fin { inset: auto auto clamp(4rem, 14vh, 9rem) var(--pad); width: min(44rem, calc(100% - 2 * var(--pad))); }

.chp__num {
  font-family: var(--anton); font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  color: var(--sol); margin: 0 0 .1rem; line-height: 1;
}
.chp__title {
  font-size: clamp(2.1rem, 6.4vw, 4.7rem); line-height: .95;
  text-shadow: 0 2px 34px rgba(0,0,0,.6);
}
.chp--fin .chp__title { font-size: clamp(2.2rem, 6.8vw, 5.2rem); }
.chp__mark {
  font-family: var(--marker); color: var(--sol); font-size: clamp(1.1rem, 2.4vw, 1.7rem);
  margin: .35rem 0 .9rem; transform: rotate(-2deg); transform-origin: left center;
}
.chp__label {
  font-family: var(--mono); font-size: clamp(.62rem, 1.25vw, .74rem);
  letter-spacing: .15em; color: var(--hueso);
  margin: 0; padding: .5rem .8rem;
  border-left: 2px solid var(--sol);
  background: rgba(8,13,26,.5);
  display: inline-block;
}

/* word wrappers keep the char-split from breaking words mid-word */
.wd { display: inline-block; white-space: nowrap; }
.ch { display: inline-block; will-change: transform, opacity; }

.film__bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(243,239,231,.1); }
.film__bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--azul), var(--sol)); }

/* ── static fallback (reduced motion) ───────────────────────────── */
.stillfilm { display: none; padding: clamp(4rem, 10vh, 7rem) var(--pad); }
.sf__h { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 2.5rem; }
.stillfilm figure { margin: 0 0 3rem; max-width: 62rem; }
.stillfilm img { border-radius: 3px; }
.stillfilm figcaption { padding-top: .9rem; color: var(--gris); max-width: 42rem; }
.stillfilm figcaption b { font-family: var(--anton); font-weight: 400; color: var(--hueso); font-size: 1.15rem; letter-spacing: .02em; }
.stillfilm figcaption span {
  display: block; font-family: var(--mono); font-size: .68rem; letter-spacing: .14em;
  color: var(--sol); margin-top: .5rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* The film section is NOT hidden any more: its sticky pane still carries kf0 as a CSS
     background, so it collapses into exactly one static hero screen that keeps the <h1>.
     Only the moving parts go. film.js bails out before it ever sets an inline height. */
  .film { height: auto !important; }
  .film__sticky { position: relative; }
  /* film.js never runs here, so nothing would repaint the bar on cream — let it scroll off */
  .top { position: absolute; }
  .film__canvas, .chapters, .film__bar, .film__flash, .cue { display: none; }
  .stillfilm { display: block; }
  .rv { opacity: 1 !important; transform: none !important; }
}

/* ══════════════════ el mundo claro — todo lo que hay bajo el film ══════════════════ */
/* One ground (cream), one type system (Anton / Inter / mono microlabels), one accent
   (sun gold), and dashed rules instead of boxes. Nothing here is a card. */
.lite { background: var(--crema); color: var(--tinta); padding: clamp(4.5rem, 12vh, 9rem) var(--pad); }
.lite--alt { background: var(--crema2); }
.lite__in { max-width: 78rem; margin: 0 auto; }

.sec__h { font-size: clamp(2.1rem, 5.6vw, 4rem); line-height: 1; max-width: 22ch; }
.sec__lead { color: var(--tinta-2); max-width: 40rem; margin: 1.4rem 0 0; font-size: 1.05rem; }

/* scroll reveal — inert under prefers-reduced-motion (see the media query above) */
.rv { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.rv.is-in { opacity: 1; transform: none; }

/* ── cómo lo hacemos ────────────────────────────────────────────── */
.work { background: var(--crema); color: var(--tinta); padding: clamp(4.5rem, 12vh, 9rem) var(--pad); }
.work__list { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 2.4rem; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.work__list li { border-top: 2px solid var(--tinta); padding-top: 1.1rem; }
.work__n { font-family: var(--mono); font-size: .72rem; letter-spacing: .2em; color: var(--oro); }
.work__list h3 { font-size: 1.5rem; margin: .5rem 0 .6rem; }
.work__list p { margin: 0; color: var(--tinta-2); font-size: .97rem; }

.stats { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); margin: 4rem 0 0; }
.stats dt { font-family: var(--anton); font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; }
.stats dd { margin: .4rem 0 0; color: var(--tinta-2); font-size: .93rem; max-width: 20rem; }

/* ── qué incluye — llave en mano, en cuatro tramos ──────────────── */
/* Explicit column counts, not auto-fit: the vertical dashed rules have to know which cells
   actually start a row, and auto-fit would hand a stray left border to a wrapped item. */
.scope { list-style: none; margin: 3.2rem 0 0; padding: 0; display: grid; gap: 0; grid-template-columns: 1fr; }
.scope li { padding: 1.4rem 1.6rem 1.8rem 0; border-top: 1px dashed var(--raya); position: relative; }
@media (min-width: 700px) {
  .scope { grid-template-columns: repeat(2, 1fr); }
  .scope li:nth-child(2n) { padding-left: 1.6rem; border-left: 1px dashed var(--raya); }
}
@media (min-width: 1120px) {
  .scope { grid-template-columns: repeat(4, 1fr); }
  .scope li + li { padding-left: 1.6rem; border-left: 1px dashed var(--raya); }
}
.scope__n {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--oro); display: block; margin-bottom: .9rem;
}
.scope h3 { font-size: 1.35rem; line-height: 1.08; margin: 0 0 .55rem; }
.scope p { margin: 0; color: var(--tinta-2); font-size: .94rem; line-height: 1.6; }
.scope__mark { font-family: var(--marker); color: var(--oro); font-size: 1.35rem; transform: rotate(-2deg); transform-origin: left center; margin: 2.2rem 0 0; }

/* ── su ahorro — la banda de contadores ─────────────────────────── */
.save {
  color: var(--tinta);
  background:
    radial-gradient(80% 120% at 12% 0%, rgba(255,176,32,.28), transparent 62%),
    radial-gradient(70% 100% at 95% 100%, rgba(255,176,32,.16), transparent 60%),
    var(--crema2);
  padding: clamp(4.5rem, 12vh, 9rem) var(--pad);
}
.save__grid { display: grid; gap: 2.4rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); margin: 3.4rem 0 0; }
.save__cell { border-top: 2px solid var(--tinta); padding-top: 1.1rem; }
.save__k { font-family: var(--mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--oro); margin: 0 0 .6rem; }
.save__v { margin: 0; font-family: var(--anton); font-size: clamp(2.6rem, 6.5vw, 4.4rem); line-height: .9; display: flex; align-items: baseline; gap: .12em; }
.save__u { font-size: .34em; letter-spacing: .04em; }
.save__d { margin: .6rem 0 0; color: var(--tinta-2); font-size: .92rem; max-width: 20rem; }
.save__foot { font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; color: var(--tinta-2); text-transform: uppercase; margin: 3rem 0 0; border-top: 1px dashed var(--raya); padding-top: 1rem; }

/* ── subvenciones y trámites ────────────────────────────────────── */
.admin__grid { display: grid; gap: clamp(2rem, 5vw, 4rem); grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; margin-top: 3rem; }
.admin__body p { color: var(--tinta-2); max-width: 38rem; }
.admin__body p + p { margin-top: 1.1rem; }
.admin__body b { color: var(--tinta); }
.admin__list { list-style: none; margin: 0; padding: 0; }
.admin__list li {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .95rem 0 .95rem 2rem; border-bottom: 1px dashed var(--raya); position: relative; color: var(--tinta);
}
.admin__list li:first-child { border-top: 1px dashed var(--raya); }
.admin__list li::before { content: '✓'; position: absolute; left: 0; top: .85rem; color: var(--oro); font-family: var(--body); font-size: 1rem; }
.admin__mark { font-family: var(--marker); color: var(--oro); font-size: clamp(1.1rem, 2.6vw, 1.6rem); transform: rotate(-1.5deg); transform-origin: left center; margin: 1.8rem 0 0; }

/* ── preguntas ──────────────────────────────────────────────────── */
.faq__list { margin: 3rem 0 0; max-width: 56rem; border-top: 1px dashed var(--raya); }
.faq__list details { border-bottom: 1px dashed var(--raya); }
.faq__list summary {
  list-style: none; cursor: pointer; padding: 1.35rem 3rem 1.35rem 0; position: relative;
  font-family: var(--anton); font-weight: 400; font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  letter-spacing: .01em; line-height: 1.25;
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after {
  content: '+'; position: absolute; right: .2rem; top: 50%; transform: translateY(-50%);
  font-family: var(--body); font-size: 1.6rem; line-height: 1; color: var(--oro);
  transition: transform .25s ease;
}
.faq__list details[open] summary::after { content: '–'; }
.faq__list summary:hover { color: var(--oro); }
.faq__list summary:focus-visible { outline: 2px solid var(--oro); outline-offset: 3px; }
.faq__a { margin: 0 0 1.5rem; color: var(--tinta-2); max-width: 46rem; font-size: .98rem; }
.faq__a b { color: var(--tinta); }

/* ── garantía y equipo ──────────────────────────────────────────── */
.trust__grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); margin-top: 3rem; }
.trust__grid div { border-top: 1px dashed var(--raya); padding-top: 1.1rem; }
.trust__k { font-family: var(--mono); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--oro); margin: 0 0 .5rem; }
.trust__grid h3 { font-size: 1.2rem; margin: 0 0 .45rem; }
.trust__grid p { margin: 0; color: var(--tinta-2); font-size: .92rem; }

/* ── cta ────────────────────────────────────────────────────────── */
.cta {
  position: relative; padding: clamp(4.5rem, 12vh, 9rem) var(--pad);
  background:
    radial-gradient(90% 70% at 20% 0%, rgba(255,176,32,.14), transparent 60%),
    radial-gradient(70% 60% at 90% 100%, rgba(79,195,247,.12), transparent 60%),
    var(--noche2);
}
.cta__in { max-width: 46rem; }
.cta__h { font-size: clamp(2.3rem, 7vw, 5rem); line-height: .95; }
.cta__mark { font-family: var(--marker); color: var(--sol); font-size: clamp(1.2rem, 3vw, 2rem); margin: .5rem 0 1.4rem; transform: rotate(-1.5deg); transform-origin: left center; }
.cta__lead { color: var(--gris); max-width: 36rem; }

.form { margin-top: 2.5rem; display: grid; gap: 1.1rem; }
.form__row { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
/* auto-FILL, not auto-fit: keeps the empty second track so a lone control stays half-width
   on desktop and still goes full-width on a phone. */
.form__row--fill { grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); }
.form label { display: block; font-family: var(--mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris); }
.form input, .form select, .form textarea {
  width: 100%; margin-top: .5rem; padding: .8rem .9rem;
  font-family: var(--body); font-size: 1rem; color: var(--hueso);
  background: rgba(8,13,26,.6); border: 1px solid var(--linea); border-radius: 3px;
  text-transform: none; letter-spacing: 0;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--sol); outline-offset: 1px; border-color: transparent; }
.form textarea { resize: vertical; }
/* .form label is (0,1,1) — the consent line needs the same weight or it stays mono caps */
.form .form__check { display: flex; align-items: flex-start; gap: .65rem; text-transform: none; letter-spacing: 0; font-family: var(--body); font-size: .85rem; color: var(--gris); }
.form__check input { width: auto; margin: .2rem 0 0; }
.btn {
  justify-self: start; margin-top: .6rem;
  font-family: var(--anton); font-size: 1.05rem; letter-spacing: .06em;
  color: var(--noche); background: var(--sol); border: 0; border-radius: 999px;
  padding: .85rem 1.9rem; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,176,32,.3); }
.form__foot { font-family: var(--body); font-size: .85rem; color: var(--gris); margin: .2rem 0 0; }

/* ── footer ─────────────────────────────────────────────────────── */
.foot { padding: clamp(3rem, 8vh, 5rem) var(--pad); border-top: 1px solid var(--linea); }
.foot__brand { font-family: var(--anton); letter-spacing: .14em; margin: 0 0 1rem; }
.foot__demo { color: var(--gris); font-size: .86rem; max-width: 46rem; margin: 0 0 1rem; }
.foot__demo b { color: var(--hueso); }
.foot__meta { font-family: var(--mono); font-size: .64rem; letter-spacing: .17em; color: #5b6478; text-transform: uppercase; margin: 0; }

@media (max-width: 860px) {
  .admin__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .brand__sub { display: none; }
  .chp--mid { inset: auto auto clamp(3.5rem, 11vh, 7rem) var(--pad); transform: none; }
  .opening__h { font-size: clamp(2.2rem, 11vw, 3.2rem); }
  .save__v { font-size: clamp(2.4rem, 13vw, 3.4rem); }
}