/* ==========================================================================
   LUXHELIOS · Sistema de diseño web
   Fuente de verdad: Manual de identidad Luxhelios v2 (MMXXV · México)
   Paleta: "Oro sobre mármol, tinta de obsidiana"
   Tipografía: Cormorant Garamond (display) · Hanken Grotesk (texto/datos)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1 · Fuentes auto-hospedadas (subset latino, woff2)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/cormorant-500.woff2") format("woff2");
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/cormorant-600.woff2") format("woff2");
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/cormorant-500-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("../fonts/hanken-300.woff2") format("woff2");
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/hanken-400.woff2") format("woff2");
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/hanken-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/hanken-500.woff2") format("woff2");
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/hanken-700.woff2") format("woff2");
}

/* --------------------------------------------------------------------------
   2 · Tokens de diseño
   -------------------------------------------------------------------------- */
:root {
  /* Paleta oficial del manual */
  --marble: #f6f1e7;        /* Mármol · lienzo principal */
  --obsidian: #12100b;      /* Obsidiana · tinta, fondos nocturnos */
  --gold: #bf9440;          /* Oro Helios · el sol, acentos, firma */
  --champagne: #e8ce8c;     /* Champán · brillos y detalles (sobre oscuro) */
  --gold-old: #a97f2c;      /* Oro viejo · oro sobre claro */
  --shadow: #4c4433;        /* Sombra · texto secundario */

  /* Derivados (tintes funcionales dentro de la misma paleta) */
  --ink: #201c14;                            /* cuerpo de texto sobre claro */
  --marble-2: #efe8da;                       /* mármol profundo, secciones alternas */
  --obsidian-2: #1b1710;                     /* superficie elevada sobre obsidiana */
  --paper: #fffdf8;                          /* tarjetas sobre mármol */
  --line: rgba(169, 127, 44, 0.28);          /* filete dorado sobre claro */
  --line-strong: rgba(169, 127, 44, 0.55);
  --line-dark: rgba(232, 206, 140, 0.22);    /* filete champán sobre oscuro */
  --muted-dark: #b5ac97;                     /* texto secundario sobre oscuro */

  /* Tipografía */
  --serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --sans: "Hanken Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Escala fluida */
  --fs-hero: clamp(2.5rem, 1.2rem + 5.2vw, 4.9rem);
  --fs-h1: clamp(2.3rem, 1.3rem + 3.6vw, 3.9rem);
  --fs-h2: clamp(1.9rem, 1.2rem + 2.6vw, 3.1rem);
  --fs-h3: clamp(1.45rem, 1.15rem + 1vw, 1.9rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-label: 0.78rem;

  /* Ritmo */
  --space-section: clamp(4.5rem, 3rem + 7vw, 9rem);
  --container: 76rem;
  --container-wide: 88rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Movimiento */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.6s;

  /* Cabecera */
  --header-h: 4.75rem;
}

/* --------------------------------------------------------------------------
   3 · Reset y base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: var(--fs-body);
  line-height: 1.72;
  color: var(--ink);
  background-color: var(--marble);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--gold-old);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

strong {
  font-weight: 500;
}

ul[class],
ol[class] {
  list-style: none;
}

::selection {
  background: var(--gold);
  color: var(--obsidian);
}

:focus-visible {
  outline: 2px solid var(--gold-old);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--obsidian);
  color: var(--champagne);
  font-family: var(--sans);
  font-size: var(--fs-small);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* --------------------------------------------------------------------------
   4 · Tipografía y utilidades
   -------------------------------------------------------------------------- */
h1, h2, h3, .display {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.12;
  color: var(--obsidian);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

h4 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--obsidian);
}

.em-gold {
  font-style: italic;
  color: var(--gold-old);
}

.lead {
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  font-weight: 300;
  color: var(--shadow);
  max-width: 46em;
  text-wrap: pretty;
}

/* Etiqueta de sección — "I · ESENCIA" del manual */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: var(--fs-label);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-old);
}

.eyebrow .num {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

/* Filete con texto centrado — "— ENERGÍA SOLAR LLAVE EN MANO —" */
.rule-label {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  justify-content: center;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-old);
}

.rule-label::before,
.rule-label::after {
  content: "";
  height: 1px;
  width: clamp(2rem, 6vw, 4rem);
  background: var(--line-strong);
}

.text-center { text-align: center; }
.measure { max-width: 62ch; }
.mx-auto { margin-inline: auto; }

/* --------------------------------------------------------------------------
   5 · Contenedores y secciones
   -------------------------------------------------------------------------- */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.container--wide {
  width: min(100% - 2 * var(--gutter), var(--container-wide));
}

.section {
  padding-block: var(--space-section);
  position: relative;
}

.section--dark {
  background: var(--obsidian);
  color: #e9e2d2;
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--marble);
}

.section--dark .lead { color: var(--muted-dark); }
.section--dark .eyebrow { color: var(--gold); }
.section--dark a { color: var(--champagne); }
.section--dark a:hover { color: var(--marble); }

.section--alt { background: var(--marble-2); }

/* Rejilla con riel izquierdo (etiqueta lateral, como el manual) */
.rail {
  display: grid;
  gap: 2rem 4rem;
}

@media (min-width: 64em) {
  .rail {
    grid-template-columns: 11rem minmax(0, 1fr);
  }
  .rail__label {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }
}

.section-head {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 52rem;
}

.section-head h2 {
  margin-top: 1.1rem;
  margin-bottom: 1.1rem;
}

/* --------------------------------------------------------------------------
   6 · Botones
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1rem 2.1rem;
  border: 1px solid transparent;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  background: none;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease),
    border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--solid {
  background: var(--obsidian);
  color: var(--champagne);
  border-color: var(--obsidian);
}

.btn--solid:hover {
  background: #262019;
  color: var(--champagne);
}

.btn--gold {
  background: var(--gold);
  color: var(--obsidian);
  border-color: var(--gold);
}

.btn--gold:hover {
  background: var(--champagne);
  border-color: var(--champagne);
  color: var(--obsidian);
}

.btn--outline {
  border-color: var(--line-strong);
  color: var(--gold-old);
}

.btn--outline:hover {
  border-color: var(--gold-old);
  background: rgba(191, 148, 64, 0.07);
  color: var(--gold-old);
}

.section--dark .btn--outline,
.btn--outline-light {
  border-color: rgba(232, 206, 140, 0.5);
  color: var(--champagne);
}

.section--dark .btn--outline:hover,
.btn--outline-light:hover {
  border-color: var(--champagne);
  background: rgba(232, 206, 140, 0.08);
  color: var(--champagne);
}

.btn--lg { padding: 1.15rem 2.6rem; }

.btn .arrow {
  transition: transform 0.3s var(--ease);
}

.btn:hover .arrow { transform: translateX(4px); }

/* Enlace con subrayado dorado */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-old);
  text-decoration: none;
  padding-bottom: 0.35rem;
  background: linear-gradient(var(--gold-old), var(--gold-old)) left bottom / 2.2rem 1px no-repeat;
  transition: background-size 0.4s var(--ease), color 0.3s;
}

.link-more:hover {
  background-size: 100% 1px;
  color: var(--gold-old);
}

/* --------------------------------------------------------------------------
   7 · Cabecera y navegación
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

/* El fondo translúcido vive en un pseudo-elemento: si el blur se aplicara
   al header, este se volvería "containing block" del overlay móvil fijo. */
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(246, 241, 231, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.header.is-scrolled {
  border-bottom-color: var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(100% - 2 * var(--gutter), var(--container-wide));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--obsidian);
}

.brand__mark { flex: none; }

.brand__name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.28rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  transform: translateY(1px);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2vw, 2.1rem);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 1.8vw, 1.9rem);
}

.nav__link {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--shadow);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--obsidian);
  border-bottom-color: var(--gold);
}

/* Desplegable "Soluciones" */
.nav__item--drop { position: relative; }

.nav__drop-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__drop-btn .caret {
  transition: transform 0.3s var(--ease);
}

.nav__item--drop[data-open="true"] .caret { transform: rotate(180deg); }

.drop-panel {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  translate: -50% 0;
  width: min(38rem, calc(100vw - 2rem));
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -24px rgba(18, 16, 11, 0.28);
  padding: 1.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}

.nav__item--drop[data-open="true"] .drop-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.drop-panel a {
  display: block;
  padding: 0.65rem 0.75rem;
  text-decoration: none;
  color: var(--ink);
  transition: background-color 0.25s;
}

.drop-panel a:hover { background: var(--marble); }

.drop-panel .t {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--obsidian);
}

.drop-panel .d {
  display: block;
  font-size: 0.82rem;
  color: var(--shadow);
  line-height: 1.5;
  margin-top: 0.15rem;
}

.drop-panel__foot {
  grid-column: 1 / -1;
  margin-top: 0.9rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.nav__cta { flex: none; }

/* Hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 130;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--obsidian);
  transition: transform 0.35s var(--ease), opacity 0.25s, background-color 0.3s;
}

@media (max-width: 63.99em) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 120;
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    background: var(--obsidian);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
  }

  body.nav-open .nav {
    opacity: 1;
    visibility: visible;
  }

  body.nav-open { overflow: hidden; }

  body.nav-open .nav-toggle span { background: var(--champagne); }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .nav__list {
    flex-direction: column;
    gap: 1.4rem;
    text-align: center;
  }

  .nav__link {
    color: var(--muted-dark);
    font-size: 1rem;
  }

  .nav__link:hover,
  .nav__link[aria-current="page"] {
    color: var(--marble);
  }

  .nav__item--drop { position: static; }

  .drop-panel {
    position: static;
    translate: none;
    width: min(30rem, 88vw);
    margin-top: 1rem;
    background: var(--obsidian-2);
    border-color: var(--line-dark);
    box-shadow: none;
    display: none;
    grid-template-columns: 1fr;
    padding: 1.1rem;
  }

  .nav__item--drop[data-open="true"] .drop-panel {
    display: grid;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .drop-panel a { color: var(--marble); }
  .drop-panel a:hover { background: rgba(232, 206, 140, 0.06); }
  .drop-panel .t { color: var(--marble); }
  .drop-panel .d { display: none; }
  .drop-panel__foot { border-top-color: var(--line-dark); }

  /* CTA visible sobre el overlay obsidiana */
  .nav .nav__cta {
    background: transparent;
    border-color: rgba(232, 206, 140, 0.5);
    color: var(--champagne);
  }
}

/* --------------------------------------------------------------------------
   8 · Héroe
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3.5rem, 8vw, 7rem));
  padding-bottom: clamp(4rem, 8vw, 7.5rem);
  overflow: hidden;
  text-align: center;
}

.hero__sun {
  position: absolute;
  top: calc(var(--header-h) + 1.5rem);
  left: 50%;
  translate: -50% 0;
  width: clamp(180px, 26vw, 300px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #f2e3bb 0%, var(--champagne) 34%, var(--gold) 78%, #a87f31 100%);
  filter: blur(0.5px);
  opacity: 0.55;
  z-index: 0;
  animation: sun-breathe 9s ease-in-out infinite;
}

.hero__sun::after {
  content: "";
  position: absolute;
  inset: -38%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 206, 140, 0.5) 0%, rgba(232, 206, 140, 0) 65%);
}

@keyframes sun-breathe {
  0%, 100% { transform: scale(1); opacity: 0.55; }
  50% { transform: scale(1.04); opacity: 0.68; }
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: var(--fs-hero);
  max-width: 21ch;
  margin-inline: auto;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.hero .lead {
  margin: 1.75rem auto 0;
  max-width: 42em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.75rem;
}

.hero__meta {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem 2.8rem;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--shadow);
}

.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.hero__meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* Héroe interior de páginas */
.page-hero {
  padding-top: calc(var(--header-h) + clamp(3rem, 6vw, 5.5rem));
  padding-bottom: clamp(2.75rem, 5vw, 4.5rem);
}

.page-hero h1 {
  margin-top: 1.1rem;
  max-width: 18ch;
}

.page-hero .lead { margin-top: 1.4rem; }

.breadcrumbs {
  margin-bottom: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--shadow);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "·";
  margin-right: 0.5rem;
  color: var(--gold-old);
}

.breadcrumbs a {
  color: var(--shadow);
  text-decoration: none;
}

.breadcrumbs a:hover { color: var(--gold-old); }

/* --------------------------------------------------------------------------
   9 · Tarjetas y rejillas
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: 1.25rem;
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(20rem, 100%), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(13.5rem, 100%), 1fr)); }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s var(--ease);
}

a.card { text-decoration: none; color: inherit; }

.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 30px 50px -30px rgba(76, 68, 51, 0.35);
}

.card h3 {
  font-size: 1.55rem;
}

.card p {
  font-size: var(--fs-small);
  color: var(--shadow);
}

.card .link-more { margin-top: auto; }

.card__icon {
  width: 44px;
  height: 44px;
  color: var(--gold-old);
}

.card__icon svg { width: 100%; height: 100%; }

/* Tarjeta sobre fondo oscuro */
.section--dark .card {
  background: var(--obsidian-2);
  border-color: var(--line-dark);
}

.section--dark .card h3 { color: var(--marble); }
.section--dark .card p { color: var(--muted-dark); }
.section--dark .card__icon { color: var(--gold); }
.section--dark .card:hover {
  border-color: rgba(232, 206, 140, 0.45);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
}

/* Numeral romano decorativo (pilares, proceso) */
.roman {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 2.1rem;
  line-height: 1;
  color: var(--gold-old);
}

.section--dark .roman { color: var(--gold); }

/* Lista de pilares con separadores verticales */
.pillars {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 48em) {
  .pillars {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }
  .pillars > li {
    padding-inline: 2.2rem;
    border-left: 1px solid var(--line);
  }
  .pillars > li:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

.pillars h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.05rem;
  margin: 0.9rem 0 0.55rem;
}

.pillars p {
  font-size: var(--fs-small);
  color: var(--shadow);
}

.section--dark .pillars > li { border-color: var(--line-dark); }
.section--dark .pillars h3 { color: var(--marble); }
.section--dark .pillars p { color: var(--muted-dark); }

/* --------------------------------------------------------------------------
   10 · Cifras / estadísticas
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(11rem, 100%), 1fr));
  gap: 2.25rem 1.5rem;
  text-align: center;
}

.stat__value {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 2rem + 2.4vw, 4rem);
  line-height: 1;
  color: var(--marble);
}

.stat__value .unit {
  font-size: 0.45em;
  color: var(--gold);
  font-weight: 500;
  margin-left: 0.15em;
}

.stat__label {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dark);
}

/* Sobre claro */
.stats--light .stat__value { color: var(--obsidian); }
.stats--light .stat__value .unit { color: var(--gold-old); }
.stats--light .stat__label { color: var(--shadow); }

/* --------------------------------------------------------------------------
   11 · Placeholders fotográficos (estilo del manual)
   -------------------------------------------------------------------------- */
.ph {
  position: relative;
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(-45deg,
      rgba(232, 206, 140, 0.05) 0 14px,
      rgba(232, 206, 140, 0) 14px 28px),
    linear-gradient(140deg, #241e14 0%, var(--obsidian) 55%, #0c0a07 100%);
  border: 1px solid var(--line-dark);
  min-height: 14rem;
  overflow: hidden;
}

.ph::before {
  content: "";
  position: absolute;
  width: 34%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(232, 206, 140, 0.28), rgba(191, 148, 64, 0.05) 70%);
  filter: blur(6px);
}

.ph__caption {
  position: relative;
  z-index: 1;
  padding: 0.55rem 1rem;
  background: rgba(18, 16, 11, 0.72);
  border: 1px solid rgba(232, 206, 140, 0.25);
  color: var(--champagne);
  font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-align: center;
}

.ph--4x3 { aspect-ratio: 4 / 3; min-height: 0; }
.ph--3x2 { aspect-ratio: 3 / 2; min-height: 0; }
.ph--16x9 { aspect-ratio: 16 / 9; min-height: 0; }
.ph--square { aspect-ratio: 1; min-height: 0; }
.ph--tall { aspect-ratio: 3 / 4; min-height: 0; }

figure.media { display: flex; flex-direction: column; gap: 0.7rem; }

figure.media > figcaption {
  font-size: 0.82rem;
  color: var(--shadow);
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   12 · Franja de confianza / chips
   -------------------------------------------------------------------------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--shadow);
  background: var(--paper);
}

.chip::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.section--dark .chip {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--muted-dark);
}

/* --------------------------------------------------------------------------
   13 · Proceso (línea de tiempo)
   -------------------------------------------------------------------------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 0;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 1.4rem;
  padding-block: 1.9rem;
  border-top: 1px solid var(--line);
}

.step:last-child { border-bottom: 1px solid var(--line); }

.step__num {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.9rem;
  color: var(--gold-old);
  line-height: 1.1;
}

.step h3 {
  font-size: 1.4rem;
  margin-bottom: 0.45rem;
}

.step p {
  color: var(--shadow);
  font-size: var(--fs-small);
  max-width: 56ch;
}

.step .tag {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-old);
  border: 1px solid var(--line);
  padding: 0.3rem 0.7rem;
}

/* --------------------------------------------------------------------------
   14 · Testimonios
   -------------------------------------------------------------------------- */
.quotes {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(min(19rem, 100%), 1fr));
}

.quote {
  background: var(--obsidian-2);
  border: 1px solid var(--line-dark);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quote blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--marble);
}

.quote blockquote::before {
  content: "“";
  display: block;
  font-size: 2.6rem;
  line-height: 0.6;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.quote figcaption {
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--muted-dark);
}

.quote figcaption .who {
  display: block;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--champagne);
  font-size: 0.78rem;
}

/* --------------------------------------------------------------------------
   15 · Acordeón FAQ (details/summary nativo)
   -------------------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }

.faq details { border-bottom: 1px solid var(--line); }

.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0.25rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.55rem);
  color: var(--obsidian);
  transition: color 0.25s;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary:hover { color: var(--gold-old); }

.faq summary .ind {
  flex: none;
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--gold-old);
  transition: transform 0.35s var(--ease);
}

.faq details[open] summary .ind { transform: rotate(45deg); }

.faq .faq__body {
  padding: 0 0.25rem 1.75rem;
  max-width: 62ch;
  color: var(--shadow);
  font-size: var(--fs-small);
}

.faq .faq__body p + p { margin-top: 0.8rem; }

/* --------------------------------------------------------------------------
   16 · Formularios
   -------------------------------------------------------------------------- */
.form {
  display: grid;
  gap: 1.4rem;
}

.form__row {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 40em) {
  .form__row--2 { grid-template-columns: 1fr 1fr; }
}

.field { display: grid; gap: 0.45rem; }

.field label {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shadow);
}

.field .req { color: var(--gold-old); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
  appearance: none;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%23A97F2C' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.6rem;
}

.field textarea { min-height: 8.5rem; resize: vertical; }

.field input[type="file"] {
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  color: var(--shadow);
  cursor: pointer;
}

.field input[type="file"]::file-selector-button {
  margin-right: 1rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line-strong);
  background: var(--marble);
  color: var(--gold-old);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.25s, background-color 0.25s;
}

.field input[type="file"]::file-selector-button:hover {
  border-color: var(--gold-old);
  background: rgba(191, 148, 64, 0.08);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold-old);
  box-shadow: 0 0 0 1px var(--gold-old);
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #a03d2e;
  box-shadow: 0 0 0 1px #a03d2e;
}

.field .error {
  font-size: 0.8rem;
  color: #8f3122;
  display: none;
}

.field[data-error="true"] .error { display: block; }

.field .hint {
  font-size: 0.8rem;
  color: var(--shadow);
}

.form__consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--shadow);
}

.form__consent input {
  margin-top: 0.3rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--gold-old);
  flex: none;
}

.form__status {
  padding: 1rem 1.25rem;
  border: 1px solid var(--line-strong);
  background: rgba(191, 148, 64, 0.08);
  font-size: 0.92rem;
  display: none;
}

.form__status.is-visible { display: block; }

/* Honeypot invisible para bots */
.hp-field {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Fieldset segmentado (radio como botones) */
.seg {
  border: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.seg legend {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shadow);
  margin-bottom: 0.7rem;
}

.seg label {
  position: relative;
  cursor: pointer;
}

.seg input {
  position: absolute;
  opacity: 0;
  inset: 0;
}

.seg label span {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border: 1px solid var(--line);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--shadow);
  background: var(--paper);
  transition: all 0.25s;
}

.seg input:checked + span {
  background: var(--obsidian);
  border-color: var(--obsidian);
  color: var(--champagne);
}

.seg input:focus-visible + span {
  outline: 2px solid var(--gold-old);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   17 · CTA final (banda oscura)
   -------------------------------------------------------------------------- */
.cta-band {
  background:
    radial-gradient(60rem 30rem at 85% -20%, rgba(191, 148, 64, 0.16), transparent 60%),
    var(--obsidian);
  color: var(--marble);
  text-align: center;
  padding-block: var(--space-section);
}

.cta-band h2 {
  color: var(--marble);
  max-width: 22ch;
  margin-inline: auto;
}

.cta-band .em-gold { color: var(--champagne); }

.cta-band p {
  color: var(--muted-dark);
  max-width: 46em;
  margin: 1.4rem auto 0;
}

.cta-band__actions {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.cta-band .note {
  margin-top: 1.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--muted-dark);
}

/* --------------------------------------------------------------------------
   18 · Pie de página
   -------------------------------------------------------------------------- */
.footer {
  background: var(--obsidian);
  color: var(--muted-dark);
  padding-top: clamp(4rem, 7vw, 6rem);
  border-top: 1px solid var(--line-dark);
}

.footer__brand {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.footer__brand .brand {
  flex-direction: column;
  gap: 1.4rem;
  color: var(--marble);
}

.footer__brand .brand__name {
  font-size: 1.7rem;
  letter-spacing: 0.4em;
  margin-right: -0.4em; /* compensa tracking para centrado óptico */
}

.footer__tagline {
  margin-top: 1rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(11rem, 100%), 1fr));
  padding-block: 2.5rem;
  border-top: 1px solid var(--line-dark);
}

.footer__col h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--marble);
  margin-bottom: 1.1rem;
}

.footer__col ul {
  display: grid;
  gap: 0.6rem;
  list-style: none;
}

.footer__col a {
  color: var(--muted-dark);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.25s;
}

.footer__col a:hover { color: var(--champagne); }

.footer__col address {
  font-style: normal;
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-block: 1.8rem;
  border-top: 1px solid var(--line-dark);
}

.footer__badges .chip { font-size: 0.7rem; }

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.6rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.8rem;
}

.footer__legal a { color: var(--muted-dark); }
.footer__legal a:hover { color: var(--champagne); }

/* --------------------------------------------------------------------------
   19 · Botón flotante de WhatsApp
   -------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.3rem;
  background: var(--obsidian);
  color: var(--champagne);
  border: 1px solid rgba(232, 206, 140, 0.4);
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: 0 18px 40px -18px rgba(18, 16, 11, 0.55);
  transition: transform 0.3s var(--ease), background-color 0.3s, border-color 0.3s;
}

.wa-float:hover {
  transform: translateY(-3px);
  border-color: var(--champagne);
  color: var(--champagne);
}

.wa-float svg { flex: none; }

@media (max-width: 40em) {
  .wa-float span { display: none; }
  .wa-float { padding: 0.9rem; border-radius: 50%; }
}

/* --------------------------------------------------------------------------
   20 · Animaciones de aparición
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   21 · Bloques editoriales varios
   -------------------------------------------------------------------------- */
/* Comparativa México/Alemania u otros pares de datos */
.compare {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 40em) {
  .compare { grid-template-columns: 1fr 1fr; }
}

.compare > div {
  background: var(--paper);
  padding: 2rem;
}

.compare .place {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--shadow);
}

.compare .val {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--obsidian);
  margin-top: 0.5rem;
}

.compare .val .unit {
  font-size: 0.42em;
  color: var(--gold-old);
}

.compare .is-hero { background: var(--obsidian); }
.compare .is-hero .place { color: var(--muted-dark); }
.compare .is-hero .val { color: var(--marble); }
.compare .is-hero .val .unit { color: var(--gold); }

/* Bloque partido texto + media */
.split {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

@media (min-width: 60em) {
  .split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split--rev > :first-child { order: 2; }
}

/* Tabla de datos (garantías, tarifas) */
.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
}

.data-table thead th {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--shadow);
  border-bottom-color: var(--line-strong);
}

.data-table td strong {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--gold-old);
}

/* Aviso de contenido provisional */
.placeholder-note {
  border: 1px dashed var(--line-strong);
  background: rgba(191, 148, 64, 0.06);
  padding: 0.85rem 1.1rem;
  font-size: 0.82rem;
  color: var(--shadow);
}

.placeholder-note::before {
  content: "◌ Contenido provisional — ";
  font-weight: 500;
  color: var(--gold-old);
  letter-spacing: 0.04em;
}

/* Galería */
.masonry {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(min(17rem, 100%), 1fr));
}

/* Blog */
.post-card time {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-old);
}

/* Página de contacto: bloque de datos */
.contact-list {
  display: grid;
  gap: 1.5rem;
}

.contact-list .item {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.contact-list .k {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-old);
  display: block;
  margin-bottom: 0.4rem;
}

.contact-list .v {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.45rem;
  color: var(--obsidian);
  text-decoration: none;
}

a.v:hover { color: var(--gold-old); }

.map-frame {
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  width: 100%;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: sepia(0.32) saturate(0.68) contrast(0.98);
}

/* Página 404 / gracias */
.hero-min {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  place-content: center;
  text-align: center;
  padding-block: calc(var(--header-h) + 3rem) 4rem;
}

/* ------------------------------------------------------------------------
   22 · Pantallas muy grandes (2K/4K): contener el lienzo, escalar el ritmo
   ------------------------------------------------------------------------ */
@media (min-width: 120em) {
  :root {
    --container: 82rem;
    --container-wide: 96rem;
  }
  html { font-size: 112.5%; }
}

@media (min-width: 160em) {
  html { font-size: 125%; }
}