/* ============ base.css — compartido por todas las páginas 912DS ============ */

@font-face{font-family:'Anton';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/anton-400.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/montserrat-var-400-700.woff2) format('woff2')}

/* ---- Reset mínimo + box-sizing global heredado ---- */
html { box-sizing: border-box; scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: inherit; }
body {
  margin: 0;
  font-family: var(--mont);
  background: var(--carbon);
  color: var(--ink-light);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--naranja); color: #fff; }
/* compensa el cambio a border-box para conservar el ancho útil original */
.wrap { max-width: calc(1120px + 2 * clamp(20px, 4vw, 48px)); margin-inline: auto; padding-inline: clamp(20px, 4vw, 48px); }

/* ---- Salto al contenido (accesibilidad) ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--naranja); color: #fff; font-weight: 700; font-size: 0.9rem;
  padding: 12px 18px; border-radius: 0 0 6px 0; text-decoration: none;
}
.skip-link:focus { left: 0; }

/* ---- Bandas ---- */
.band { padding-block: clamp(72px, 10vw, 124px); }
.band--dark {
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    var(--carbon);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--ink-light);
}
.band--light { background: var(--paper); color: var(--ink-dark); }

/* ---- Tipografía ---- */
.display {
  font-family: var(--anton);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.98;
  letter-spacing: 0.005em;
  text-wrap: balance;
  margin: 0;
}
h2.display { font-size: clamp(1.9rem, 4.4vw, 3.2rem); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase;
  margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 14px; height: 20px; background: var(--naranja); flex: none; }
.eyebrow--sol::before { background: var(--sol); }
.band--dark .eyebrow { color: var(--muted-on-dark); }
.band--light .eyebrow { color: var(--muted-on-light); }
.lede { max-width: 62ch; font-size: 1.05rem; }
.band--dark .lede { color: #d8d6d4; }
.band--light .lede { color: #44413f; }
.section-head { display: grid; gap: 16px; margin-bottom: clamp(36px, 5vw, 56px); }

/* ---- Botones ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mont); font-weight: 700; font-size: 0.92rem; letter-spacing: 0.02em;
  padding: 15px 26px; border-radius: 5px; border: 1.5px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn .arr { transition: transform 0.2s ease; }
.btn:hover .arr { transform: translateX(4px); }
.btn:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }
.btn--solid { background: var(--naranja); color: #fff; }
.btn--solid:hover { background: var(--naranja-deep); }
.btn--ghost-light { border-color: rgba(255,255,255,0.5); color: #fff; background: transparent; }
.btn--ghost-light:hover { background: #fff; color: var(--carbon); border-color: #fff; }
.btn--sol { background: var(--sol); color: var(--carbon); }
.btn--sol:hover { background: var(--sol-deep); color: var(--carbon); }
.btn--pilar { background: var(--line, var(--naranja)); color: var(--carbon); transition: background 0.4s ease, filter 0.2s ease; }
.btn--pilar:hover { filter: brightness(0.88); }

/* ---- Placas de logo ---- */
.logo-plate {
  display: block; background: var(--carbon);
  border: 1px solid var(--line-on-dark); border-radius: 10px;
  overflow: hidden;
}
.logo-plate img { display: block; width: 100%; height: auto; }
.logocap { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; color: var(--muted-on-dark); margin-top: 10px; }

/* ---- Nav ---- */
.nav { position: fixed; inset-inline: 0; top: 0; z-index: 50; transition: background 0.3s ease, box-shadow 0.3s ease; }
.nav.is-scrolled, .nav.menu-open {
  background: rgba(33, 32, 32, 0.84);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line-on-dark);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 12px; }
.nav-logo img { height: 42px; width: auto; display: block; }
.nav-links { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-links a {
  color: #e8e6e4; text-decoration: none; font-size: 0.88rem; font-weight: 600;
  padding-block: 6px; border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; border-color: var(--naranja); }
.nav-links a[aria-current="page"] { color: #fff; border-color: var(--naranja); }
.nav .btn { padding: 11px 20px; font-size: 0.84rem; }

/* Desplegable "Soluciones" (encargo §9) */
.nav-drop { position: relative; }
.nav-drop-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: none; border: none; border-bottom: 2px solid transparent; cursor: pointer;
  font-family: var(--mont); color: #e8e6e4; font-size: 0.88rem; font-weight: 600;
  padding: 6px 0; transition: color 0.2s, border-color 0.2s;
}
.nav-drop-btn:hover, .nav-drop-btn:focus-visible, .nav-drop-btn[aria-expanded="true"] { color: #fff; border-color: var(--naranja); }
.nav-drop-btn:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }
.nav-drop-btn .caret { transition: transform 0.2s ease; flex: none; }
.nav-drop-btn[aria-expanded="true"] .caret { transform: rotate(180deg); }
.nav-drop-panel {
  position: absolute; top: calc(100% + 16px); left: 50%;
  transform: translate(-50%, -6px);
  width: 340px; padding: 8px;
  background: var(--metal-medio);
  border: 1px solid var(--line-on-dark); border-top: 2px solid var(--naranja); border-radius: 6px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 22px 50px rgba(0,0,0,0.45);
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
}
.nav-drop.open .nav-drop-panel {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.nav-drop-panel ul { list-style: none; margin: 0; padding: 0; }
.nav-drop-item {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; min-height: 48px; border-radius: 4px;
  text-decoration: none; color: #e8e6e4; border-left: 3px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.nav-drop-item:hover, .nav-drop-item:focus-visible {
  background: color-mix(in srgb, var(--line, var(--naranja)) 13%, transparent);
  border-left-color: var(--line, var(--naranja)); color: #fff;
}
.nav-drop-item:focus-visible { outline: 2px solid var(--line, var(--naranja)); outline-offset: -2px; }
.nav-drop-item img { width: 34px; height: auto; flex: none; }
.nav-drop-item b { display: block; font-size: 0.86rem; line-height: 1.3; }
.nav-drop-item small { display: block; font-size: 0.72rem; color: var(--muted-on-dark); line-height: 1.35; }
.nav-drop-all a {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; margin-top: 6px; border-top: 1px solid var(--line-on-dark);
  color: #fff; font-weight: 700; font-size: 0.82rem; text-decoration: none;
}
.nav-drop-all a:hover .arr, .nav-drop-all a:focus-visible .arr { transform: translateX(4px); }
.nav-drop-all .arr { transition: transform 0.2s ease; }

/* Hamburguesa + panel móvil (no existía: encargo Fase 1.4) */
.nav-burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px;
  background: none; border: none; cursor: pointer; flex: none;
}
.nav-burger .nb-bar { display: block; width: 100%; height: 2px; background: #fff; border-radius: 1px; transition: transform 0.25s ease, opacity 0.2s ease; }
.nav-burger[aria-expanded="true"] .nb-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] .nb-bar:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] .nb-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-burger:focus-visible { outline: 3px solid var(--naranja); outline-offset: 2px; }
.nav-menu {
  /* absoluto bajo el nav: el backdrop-filter del nav crea containing block
     para descendientes fijos, así que fixed aquí quedaría recortado */
  position: absolute; top: 100%; left: 0; right: 0;
  height: calc(100svh - 66px); z-index: 49;
  background: rgba(26, 25, 25, 0.97);
  overflow-y: auto; padding: 18px clamp(20px, 5vw, 40px) 40px;
}
.nav-menu[hidden] { display: none; }
body.menu-open { overflow: hidden; }
.nm-list { list-style: none; margin: 0; padding: 0; display: grid; }
.nm-list > li { border-bottom: 1px solid var(--line-on-dark); }
.nm-list > li > a:not(.btn), .nm-acc {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; min-height: 54px; padding: 14px 4px;
  color: #fff; text-decoration: none; font-family: var(--mont); font-size: 1.02rem; font-weight: 600;
  background: none; border: none; cursor: pointer; text-align: left;
}
.nm-list a:focus-visible, .nm-acc:focus-visible { outline: 3px solid var(--naranja); outline-offset: -3px; }
.nm-acc .caret { transition: transform 0.2s ease; flex: none; }
.nm-acc[aria-expanded="true"] .caret { transform: rotate(180deg); }
.nm-sub { list-style: none; margin: 0; padding: 0 0 12px; }
.nm-sub[hidden] { display: none; }
.nm-sub a {
  display: flex; align-items: center; gap: 12px;
  min-height: 48px; padding: 8px 6px; border-radius: 4px;
  color: #e8e6e4; text-decoration: none; font-size: 0.92rem; font-weight: 600;
  border-left: 3px solid transparent;
}
.nm-sub a:hover, .nm-sub a:focus-visible { border-left-color: var(--line, var(--naranja)); color: #fff; background: rgba(255,255,255,0.04); }
.nm-sub img { width: 30px; height: auto; flex: none; }
.nm-sub small { display: block; font-size: 0.7rem; color: var(--muted-on-dark); }
.nm-sub .nm-all { justify-content: flex-start; font-weight: 700; color: #fff; }
.nm-cta { padding: 22px 0; border-bottom: none !important; }
.nm-cta .btn { width: 100%; justify-content: center; }
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; }
}
@media (min-width: 821px) {
  .nav-menu { display: none !important; }
}
@media (max-width: 400px) {
  .nav .nav-cta { display: none; } /* en pantallas muy angostas el CTA vive en el menú */
}

/* ---- Formularios (Diagnóstico 360 y variantes) ---- */
.mini-form { background: var(--carbon-2); border: 1px solid var(--line-on-dark); border-radius: 10px; padding: 30px; display: grid; gap: 14px; }
.mini-form .form-brand { display: flex; align-items: center; gap: 10px; }
.mini-form .form-brand img { height: 26px; width: auto; }
.mini-form .form-brand span { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-on-dark); }
.mini-form label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-on-dark); display: grid; gap: 7px; }
.mini-form input, .mini-form select, .mini-form textarea {
  font-family: var(--mont); font-size: 0.95rem; color: #fff;
  background: var(--carbon); border: 1px solid var(--carbon-3); border-radius: 5px;
  padding: 13px 14px; width: 100%; transition: border-color 0.2s;
}
.mini-form input:focus, .mini-form select:focus, .mini-form textarea:focus { outline: none; border-color: var(--naranja); }
.mini-form .note { font-size: 0.74rem; color: var(--muted-on-dark); margin: 0; }
.mini-form .note a { color: #d8d6d4; }
.form-ok { text-align: center; padding: 40px 10px; display: grid; gap: 12px; justify-items: center; }
.form-ok b { font-family: var(--anton); font-weight: 400; text-transform: uppercase; font-size: 1.5rem; }
.form-ok .check { width: 56px; height: 56px; border-radius: 50%; background: var(--naranja); display: grid; place-items: center; font-size: 1.6rem; color: #fff; }
/* estados de envío reales (Fase 2): error honesto + reintento */
.form-msg { display: none; margin: 0; font-size: 0.85rem; line-height: 1.5; border-radius: 5px; padding: 12px 14px; }
.form-msg.show { display: block; }
.form-msg--err { background: rgba(241, 76, 47, 0.12); border: 1px solid rgba(241, 76, 47, 0.55); color: #ffd9d1; }
.form-msg--err a { color: #fff; }
.btn[disabled], .btn.is-sending { opacity: 0.6; pointer-events: none; }
/* honeypot antispam: fuera de la vista, invisible también para lectores */
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---- FAQ (usado en home y páginas de línea) ---- */
.faq { max-width: 760px; }
.faq-item { border-bottom: 1px solid var(--line-on-light); }
.band--dark .faq-item { border-color: var(--line-on-dark); }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  font-family: var(--mont); font-weight: 700; font-size: 1rem; color: var(--ink-dark);
  text-align: left; padding: 22px 4px;
}
.band--dark .faq-q { color: #fff; }
.faq-q:focus-visible { outline: 3px solid var(--naranja); outline-offset: -3px; }
.faq-q .x { font-family: var(--anton); font-size: 1.4rem; color: var(--naranja); transition: transform 0.3s ease; flex: none; }
.faq-item.open .faq-q .x { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a p { margin: 0; padding: 0 4px 22px; color: var(--muted-on-light); font-size: 0.94rem; max-width: 65ch; }
.band--dark .faq-a p { color: #d8d6d4; }
.faq-item h3 { margin: 0; display: contents; font-size: inherit; font-weight: inherit; }

/* ---- Botón compartir (checklist SEO #22) ---- */
.share-row { margin-top: clamp(30px, 5vw, 48px); display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.share-btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: none; border: 1.5px solid var(--line-on-dark); border-radius: 5px;
  color: #e8e6e4; font-family: var(--mont); font-weight: 700; font-size: 0.85rem;
  padding: 12px 20px; min-height: 44px; cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.band--light .share-btn { border-color: rgba(33,32,32,0.35); color: var(--carbon); }
.share-btn:hover, .share-btn:focus-visible { border-color: var(--naranja); color: #fff; }
.band--light .share-btn:hover, .band--light .share-btn:focus-visible { color: var(--carbon); }
.share-btn:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }
.share-done { font-size: 0.8rem; font-weight: 600; color: var(--muted-on-dark); }

/* ---- CTA fija móvil (patrón de Energía y Luz, extendido a líneas) ---- */
.lp-sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: none; gap: 10px; align-items: center; justify-content: center;
  padding: 10px clamp(14px, 4vw, 24px) calc(10px + env(safe-area-inset-bottom));
  background: rgba(26, 25, 25, 0.94);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line-on-dark);
  transform: translateY(0); transition: transform 0.3s ease;
}
.lp-sticky.hide { transform: translateY(110%); }
.lp-sticky .btn { flex: 1; justify-content: center; max-width: 420px; padding: 13px 18px; }
@media (max-width: 820px) { .lp-sticky { display: flex; } body.has-sticky { padding-bottom: 70px; } }

/* ---- Footer ---- */
.footer { background: #1a1919; padding-block: 56px 40px; color: var(--muted-on-dark); font-size: 0.85rem; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; align-items: flex-start; margin-bottom: 36px; }
.footer-logo img { width: 200px; height: auto; }
.footer h4 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #e8e6e4; margin: 0 0 14px; }
.footer ul { list-style: none; display: grid; gap: 10px; margin: 0; padding: 0; }
.footer a { color: #d8d6d4; text-decoration: none; font-weight: 600; }
.footer a:hover { color: #fff; }
.footer .fdot { display: inline-block; width: 9px; height: 13px; margin-right: 9px; vertical-align: -1px; }
.footer .legal { border-top: 1px solid var(--line-on-dark); padding-top: 24px; font-size: 0.76rem; max-width: 88ch; }
.footer .legal a { font-weight: 600; }

/* ---- Reveal ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.2,0.7,0.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }
/* sin JS, el contenido siempre es visible */
.no-js .reveal { opacity: 1; transform: none; }

/* ---- TL;DR / key takeaways (checklist SEO #6-7) ---- */
.tldr {
  border-left: 4px solid var(--line, var(--naranja));
  background: rgba(255, 255, 255, 0.035);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px; margin: 26px 0 0; max-width: 68ch;
}
.band--light .tldr { background: rgba(33, 32, 32, 0.045); }
.tldr b { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-on-dark); margin-bottom: 10px; }
.band--light .tldr b { color: var(--muted-on-light); }
.tldr ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-size: 0.92rem; }
.band--dark .tldr ul { color: #d8d6d4; }
.band--light .tldr ul { color: #44413f; }
/* los enlaces del resumen se integran al texto: blancos sobre oscuro, carbón sobre claro */
.tldr a { font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--linea, var(--naranja)); }
.band--dark .tldr a { color: #fff; }
.band--light .tldr a { color: var(--carbon); }

/* ---- Movimiento reducido (base) ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav-drop-panel { transition: none; }
  .nav-burger .nb-bar, .nm-acc .caret, .nav-drop-btn .caret { transition: none; }
  .lp-sticky { transition: none; }
}