/* ============================================================
   INN Estructuradora — Sistema de diseño v2
   Maqueta basada en la referencia aprobada (thorurbana.com):
   header negro + drawer, tarjetas blancas redondeadas sobre gris,
   titulares Montserrat en mayúsculas, acento en el azul del logo.
   Para volver al acento naranja de la referencia: --accent: #E87D00.
   ============================================================ */

:root {
  --bg: #f6f6f6;           /* gris de fondo */
  --ink: #231f20;          /* texto principal */
  --gray: #7b7979;         /* texto secundario */
  --gray-2: #a7a5a5;       /* texto terciario / subtítulos */
  --black: #000000;        /* header, footer, bandas */
  --white: #ffffff;
  --accent: #5bb9ce;       /* azul del logo INN (referencia usa #E87D00) */
  --accent-deep: #2e7d93;  /* azul accesible sobre claro */
  --line: #e4e2e2;
  --radius: 18px;          /* tarjetas redondeadas */
  --shadow: 0 10px 30px -18px rgba(0,0,0,.25);
  --font: "Montserrat", "Segoe UI", Arial, sans-serif;
  --font-alt: "Lato", "Segoe UI", Arial, sans-serif;

  /* Alias de compatibilidad con la nomenclatura v1 (usada en estilos inline) */
  --stone: #7b7979;
  --paper: #f6f6f6;
  --paper-2: #ffffff;
  --teal: #5bb9ce;
  --teal-deep: #2e7d93;
  --teal-soft: rgba(91, 185, 206, .12);
  --line-dark: #262626;
  --graphite: #000000;
  --section-y: clamp(3.5rem, 8vw, 6.5rem);
  --container: 1200px;
  --header-h: 148px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(var(--container), 92vw);
  margin-inline: auto;
}

/* ---------- Tipografía ---------- */
h1, h2, h3 {
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #4a4a4c;
}
h1 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 2.1rem); }
h3 { font-size: clamp(1.05rem, 1.6vw, 1.3rem); font-weight: 600; color: var(--ink); }

.kicker {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: .9rem;
}
.on-dark .kicker, .page-hero .kicker { color: var(--accent); }

.lead {
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  color: var(--gray);
  max-width: 52em;
}

.on-dark { color: #d9d9d9; }
.on-dark h1, .on-dark h2 { color: var(--white); }
.on-dark h3 { color: var(--white); }
.on-dark .lead, .on-dark p { color: #b5b5b5; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 1rem 2.4rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  border-radius: 100px;
  transition: background .3s ease, color .3s ease, border-color .3s ease;
  cursor: pointer;
}
.btn:hover { background: var(--ink); color: var(--white); }
.btn-solid { background: var(--ink); color: var(--white); border-color: var(--ink); }
.btn-solid:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.on-dark .btn, .btn-light { border-color: rgba(255,255,255,.85); color: var(--white); }
.on-dark .btn:hover, .btn-light:hover { background: var(--white); color: var(--ink); }

.link-more {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-deep);
  transition: color .3s ease;
}
.link-more::after { content: "↗"; font-size: 1em; transition: transform .3s ease; }
.link-more:hover { color: var(--ink); }
.link-more:hover::after { transform: translate(2px, -2px); }
.on-dark .link-more { color: var(--accent); }
.on-dark .link-more:hover { color: var(--white); }

/* Botón circular de flecha (tarjetas) */
.circle-btn {
  width: 48px; height: 48px; border-radius: 50%;
  border: 1.5px solid #d8d6d6;
  display: grid; place-items: center;
  color: var(--gray);
  font-size: 1.15rem;
  transition: border-color .3s, color .3s, transform .3s;
  flex: none;
}
.line-card:hover .circle-btn, .stat-card:hover .circle-btn {
  border-color: var(--accent-deep); color: var(--accent-deep); transform: rotate(45deg);
}

/* ---------- Barra superior + Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--black);
}
.topbar {
  border-bottom: 1px solid #1c1c1c;
  background: #0d0d0d;
}
.topbar .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 44px;
}
.topbar a, .topbar span { color: #bdbdbd; font-size: .74rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
.topbar a:hover { color: var(--white); }
.lang-switch { display: flex; align-items: center; gap: .6rem; }
.lang-switch .current { color: var(--white); }
.lang-switch a { transition: color .3s; }

.header-main .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 1.15rem;
}
.brand { display: flex; align-items: center; gap: .9rem; }
.brand svg, .brand img { height: 56px; width: auto; }
.brand-name { display: flex; flex-direction: column; line-height: 1.3; color: var(--white); }
.brand-name .brand-main {
  font-size: 1.15rem; font-weight: 600; letter-spacing: .42em; text-transform: uppercase;
}
.brand-name .brand-sub {
  font-size: .58rem; font-weight: 500; letter-spacing: .46em; text-transform: uppercase;
  color: var(--accent);
}

/* Hamburguesa */
.nav-toggle {
  background: none; border: none; cursor: pointer;
  width: 48px; height: 40px; position: relative; z-index: 220;
  display: block;
}
.nav-toggle span {
  display: block; width: 34px; height: 2px; background: var(--white);
  margin: 8px auto;
  transition: transform .35s ease, opacity .35s ease, background .35s ease;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* Drawer de navegación */
.drawer {
  position: fixed; inset: 0 0 0 auto;
  width: min(460px, 100vw);
  background: #0b0b0b;
  z-index: 210;
  transform: translateX(100%);
  transition: transform .5s cubic-bezier(.7,0,.25,1);
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem clamp(2rem, 6vw, 4.5rem);
  border-left: 1px solid #1e1e1e;
}
.nav-open .drawer { transform: none; }
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 205;
  background: rgba(0,0,0,.5);
  opacity: 0; pointer-events: none;
  transition: opacity .4s ease;
}
.nav-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
body.nav-open { overflow: hidden; }

.drawer .nav { display: flex; flex-direction: column; gap: .4rem; }
.drawer .nav a {
  color: #cfcfcf;
  font-size: 1.02rem; font-weight: 500;
  letter-spacing: .24em; text-transform: uppercase;
  padding: .55rem 0;
  border-bottom: 1px solid #1c1c1c;
  transition: color .3s, padding-left .3s;
}
.drawer .nav a:hover { color: var(--white); padding-left: .5rem; }
.drawer .nav a.active { color: var(--accent); }
.drawer-foot { margin-top: 2.4rem; color: #6f6f6f; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; }

/* ---------- Hero portada ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  padding-top: var(--header-h);
}
.hero-media {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
  filter: grayscale(.12) brightness(.82) contrast(1.03);
  animation: kenburns 24s ease-in-out infinite alternate;
}
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.12); } }
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.08) 45%, rgba(0,0,0,.72) 100%);
}
.hero-inner { width: 100%; padding-bottom: clamp(3rem, 8vh, 5.5rem); }
.hero-title {
  font-size: clamp(2.6rem, 8.2vw, 7rem);
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.04;
  text-transform: uppercase;
  color: var(--white);
}
.hero-title .accent { color: var(--accent); }
.hero-sub {
  margin-top: 1.2rem;
  font-size: clamp(.8rem, 1.2vw, .95rem);
  font-weight: 500; letter-spacing: .3em; text-transform: uppercase;
  color: rgba(255,255,255,.75);
}
.hero-scroll {
  position: absolute; bottom: 2rem; right: 4vw;
  writing-mode: vertical-rl;
  font-size: .66rem; letter-spacing: .34em; text-transform: uppercase;
  color: rgba(255,255,255,.6);
}
.hero-scroll::after {
  content: ""; display: inline-block; width: 1px; height: 52px;
  background: linear-gradient(180deg, rgba(255,255,255,.7), transparent);
  margin-top: 12px;
}

/* ---------- Secciones ---------- */
.section { padding-block: var(--section-y); }
.section-white { background: var(--white); }
.section-dark { background: var(--black); }
.section-alt { background: var(--bg); }

.section-head { margin-bottom: clamp(2rem, 4.5vw, 3.5rem); }
.section-head.center { text-align: center; margin-inline: auto; max-width: 56em; }
.section-head .sub {
  margin-top: .5rem;
  font-size: clamp(.82rem, 1.3vw, 1rem);
  font-weight: 400; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gray-2);
}

/* Ensō motif */
.enso-mark { width: 110px; height: auto; opacity: .9; }

/* ---------- Tarjetas de estadísticas (estilo referencia) ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2vw, 1.6rem);
  border: 0; padding: 0; margin: 0;
}
.stat-card, .stat {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 2.4vw, 2.2rem);
  display: flex; flex-direction: column; min-height: 240px;
  transition: transform .35s ease, box-shadow .35s ease;
}
.stat-card:hover, .stat:hover { transform: translateY(-5px); box-shadow: 0 18px 40px -20px rgba(0,0,0,.3); }
.stat-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: auto; }
.stat-icon { width: 52px; height: 52px; color: var(--ink); }
.stat .num {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .03em;
  text-transform: uppercase;
  line-height: 1.2;
  margin-top: 1.6rem;
}
.stat .num sup { font-size: .55em; color: var(--accent-deep); }
.stat .label {
  font-size: .78rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gray); margin-top: .5rem; display: block; line-height: 1.7;
}

/* ---------- Franja de fotos (sección visión) ---------- */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.photo-strip div {
  aspect-ratio: 3 / 4;
  background-size: cover; background-position: center;
  filter: grayscale(.25) brightness(.8);
  transition: filter .4s ease, transform .6s ease;
}
.photo-strip div:hover { filter: none; }

/* ---------- Pilares / columnas ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.6rem);
}
.pillar {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 2.4vw, 2.2rem);
  border-top: 0;
}
.section-dark .pillar, .on-dark .pillar { background: #111; }
.pillar .index {
  font-size: .8rem; font-weight: 700; letter-spacing: .3em;
  color: var(--accent-deep); display: block; margin-bottom: 1rem;
}
.on-dark .pillar .index { color: var(--accent); }
.pillar h3 { margin-bottom: .8rem; }
.pillar p { font-size: .92rem; color: var(--gray); }
.on-dark .pillar p { color: #b5b5b5; }

/* ---------- Tarjetas de proyecto ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2vw, 1.6rem);
}
.project-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--white);
  isolation: isolate;
  box-shadow: var(--shadow);
}
.project-card .media {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
  transition: transform 1.2s cubic-bezier(.2,.6,.2,1), filter .6s ease;
  filter: grayscale(.2) brightness(.9);
}
.project-card:hover .media { transform: scale(1.05); filter: none; }
.project-card::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(0,0,0,.05) 40%, rgba(0,0,0,.85) 100%);
}
.project-card .card-body { position: absolute; inset: auto 0 0 0; padding: clamp(1.5rem, 3vw, 2.4rem); }
.project-card .status {
  display: inline-block;
  font-size: .64rem; font-weight: 700; letter-spacing: .26em; text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(91,185,206,.55);
  padding: .35rem .95rem; border-radius: 100px;
  margin-bottom: 1rem;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(4px);
}
.project-card h3 { font-size: clamp(1.3rem, 2.2vw, 1.8rem); color: var(--white); letter-spacing: .1em; }
.project-card .place {
  font-size: .74rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase;
  color: rgba(255,255,255,.75); margin-top: .5rem; display: block;
}
.project-card p.desc { color: rgba(255,255,255,.85); margin-top: .9rem; font-size: .9rem; max-width: 36em; }

/* ---------- Tarjetas de líneas de negocio / genéricas ---------- */
.lines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.6rem);
}
.line-card {
  background: var(--white);
  border: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 2.6vw, 2.4rem);
  display: flex; flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease;
}
.line-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px -20px rgba(0,0,0,.3); border: 0; }
.line-card .glyph { height: 46px; margin-bottom: 1.5rem; color: var(--ink); }
.line-card h3 { margin-bottom: .9rem; }
.line-card p { font-size: .92rem; color: var(--gray); flex: 1; }
.line-card .link-more { margin-top: 1.6rem; align-self: flex-start; }

/* ---------- Portafolio de burbujas ---------- */
.bubbles {
  position: relative;
  min-height: 460px;
}
.bubbles svg.lines { position: absolute; inset: 0; width: 100%; height: 100%; }
.bubble {
  position: absolute;
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
  width: 150px; margin-left: -75px;
  text-align: center;
}
.bubble .ring {
  width: 96px; height: 96px; border-radius: 50%;
  padding: 4px;
  border: 1.5px solid var(--accent);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform .35s ease;
}
.bubble:hover .ring { transform: scale(1.12); }
.bubble .ring > span {
  display: block; width: 100%; height: 100%; border-radius: 50%;
  background-size: cover; background-position: center;
}
.bubble .ring > span.ph-circle {
  display: grid; place-items: center;
  background: #ececec; color: var(--gray);
  font-size: .5rem; letter-spacing: .18em; text-transform: uppercase;
}
.bubble b {
  font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink); line-height: 1.5;
}
.bubble small {
  font-size: .6rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase;
  color: var(--gray-2); margin-top: -.4rem;
}

/* ---------- Separador de montañas ---------- */
.divider-peaks { display: block; width: 100%; height: auto; margin-bottom: -1px; }

/* ---------- Noticias ---------- */
.news-list { display: grid; gap: clamp(1rem, 2vw, 1.6rem); max-width: 900px; margin-inline: auto; }
.news-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 3vw, 2.4rem);
}
.news-card .date {
  display: flex; align-items: center; gap: .5rem;
  font-size: .8rem; color: var(--gray);
  padding-bottom: 1rem; border-bottom: 1px solid var(--line); margin-bottom: 1.4rem;
}
.news-card h3 { letter-spacing: .06em; }
.news-card p { color: var(--gray); font-size: .95rem; margin-top: .9rem; }
.news-card .link-more { margin-top: 1.4rem; float: right; }
.news-card::after { content: ""; display: block; clear: both; }

/* ---------- Hero de página interior ---------- */
.page-hero {
  position: relative;
  background: var(--black);
  color: var(--white);
  padding: calc(var(--header-h) + clamp(3rem, 8vh, 5.5rem)) 0 clamp(3rem, 7vw, 5rem);
  isolation: isolate;
  text-align: left;
}
.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 500;
  letter-spacing: .08em;
  max-width: 20em;
}
.page-hero .lead { color: rgba(255,255,255,.72); margin-top: 1.2rem; }
.page-hero .hero-media {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
  filter: grayscale(.4) brightness(.5);
  animation: none;
}
.page-hero.has-media::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(0,0,0,.5), rgba(0,0,0,.75));
}
.breadcrumb {
  font-size: .68rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin-bottom: 1.6rem; display: block;
}
.breadcrumb a:hover { color: var(--accent); }
.page-hero .hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Galería ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(.8rem, 1.6vw, 1.3rem);
}
.gallery-grid figure {
  margin: 0; overflow: hidden; border-radius: var(--radius);
  position: relative; aspect-ratio: 4 / 3; background: #e9e9e9;
  box-shadow: var(--shadow);
}
.gallery-grid figure.tall { aspect-ratio: 3 / 4; }
.gallery-grid figure.wide { grid-column: span 2; }
.gallery-grid img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s cubic-bezier(.2,.6,.2,1);
}
.gallery-grid figure:hover img { transform: scale(1.05); }
.gallery-grid figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.8rem 1.2rem .9rem;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.75));
  color: rgba(255,255,255,.92);
  font-size: .68rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
}

/* ---------- Línea de tiempo ---------- */
.timeline { position: relative; margin-top: 1rem; }
.timeline::before {
  content: ""; position: absolute; left: 5.4rem; top: .4rem; bottom: .4rem;
  width: 1px; background: var(--line);
}
.timeline-item {
  display: grid; grid-template-columns: 4rem 1fr;
  gap: 2.6rem; padding: 1.15rem 0; position: relative;
}
.timeline-item .year {
  font-size: 1rem; font-weight: 700; letter-spacing: .06em;
  color: var(--accent-deep); text-align: right; line-height: 1.9;
}
.timeline-item::after {
  content: ""; position: absolute; left: calc(5.4rem - 4px); top: 1.85rem;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent-deep);
}
.timeline-item h3 { font-size: 1rem; letter-spacing: .08em; }
.timeline-item p { font-size: .9rem; color: var(--gray); margin-top: .2rem; }
.timeline-item .tag {
  display: inline-block; margin-left: .6rem;
  font-size: .6rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-deep); border: 1px solid currentColor;
  padding: .12rem .55rem; border-radius: 100px; vertical-align: middle;
}
.section-dark .timeline::before { background: #262626; }
.section-dark .timeline-item .year { color: var(--accent); }
.section-dark .timeline-item::after { background: var(--black); border-color: var(--accent); }
.section-dark .timeline-item p { color: #b5b5b5; }
.section-dark .timeline-item .tag { color: var(--accent); }

/* ---------- Tablas ---------- */
.table-wrap {
  overflow-x: auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 2vw, 1.8rem);
}
.spec-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.spec-table th {
  text-align: left; font-weight: 700; font-size: .7rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--gray);
  padding: .9rem 1rem; border-bottom: 2px solid var(--ink);
}
.spec-table td { padding: .95rem 1rem; border-bottom: 1px solid var(--line); color: var(--gray); }
.spec-table tr td:first-child { font-weight: 600; color: var(--ink); }
.on-dark .table-wrap { background: #111; }
.on-dark .spec-table th { color: #8d8d8d; border-color: rgba(255,255,255,.6); }
.on-dark .spec-table td { border-color: #262626; color: #b5b5b5; }
.on-dark .spec-table tr td:first-child { color: var(--white); }

/* ---------- Lista de valores ---------- */
.value-list { display: grid; gap: clamp(1rem, 2vw, 1.6rem); }
.value-item {
  display: grid; grid-template-columns: 3.4rem 1fr; gap: 1.4rem;
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: clamp(1.4rem, 2.4vw, 2rem);
}
.value-item .n {
  font-size: 1rem; font-weight: 700; letter-spacing: .1em; color: var(--accent-deep);
  border-top: 0; padding-top: .3rem;
}
.value-item h3 { font-size: 1rem; letter-spacing: .08em; margin-bottom: .4rem; }
.value-item p { font-size: .92rem; color: var(--gray); }
.on-dark .value-item { background: #111; }
.on-dark .value-item .n { color: var(--accent); }
.on-dark .value-item p { color: #b5b5b5; }

/* ---------- Cita ---------- */
.quote-band { text-align: center; }
.quote-band blockquote {
  font-family: var(--font);
  font-weight: 300;
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  line-height: 1.7;
  max-width: 36em; margin-inline: auto;
  color: #4a4a4c;
}
.quote-band cite {
  display: block; margin-top: 1.6rem; font-style: normal;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .28em; text-transform: uppercase; color: var(--accent-deep);
}
.on-dark .quote-band blockquote { color: #d9d9d9; }
.on-dark .quote-band cite { color: var(--accent); }

/* ---------- FAQ ---------- */
.faq { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 0 clamp(1.4rem, 2.6vw, 2.4rem); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 1.4rem 2.5rem 1.4rem 0; position: relative;
  font-weight: 600; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .2rem; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem; font-weight: 300; color: var(--accent-deep);
  transition: transform .3s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq .faq-body { padding: 0 0 1.5rem; color: var(--gray); font-size: .92rem; max-width: 60em; }

/* ---------- Bandas de imagen / medios ---------- */
.media-band { position: relative; min-height: 52vh; background-size: cover; background-position: center; }
.frame-media {
  aspect-ratio: 4 / 5;
  background-size: cover; background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.frame-media.landscape, .split .frame-media.landscape { aspect-ratio: 4 / 3; }

/* ---------- Layouts ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.invest-band, .split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.invest-points { margin-top: 2rem; display: grid; gap: 1.3rem; }
.invest-points li { padding-left: 1.6rem; position: relative; color: #b5b5b5; font-size: .95rem; }
.section-white .invest-points li, .section-alt .invest-points li { color: var(--gray); }
.invest-points li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border-radius: 50%;
  border: 1.5px solid var(--accent);
}
.invest-points li strong { color: var(--white); font-weight: 600; }
.section-white .invest-points li strong, .section-alt .invest-points li strong { color: var(--ink); }

.cta-final { text-align: center; }
.cta-final .btn { margin-top: 2.2rem; }

/* ---------- Placeholders ---------- */
.ph {
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(45deg, rgba(0,0,0,.04) 0 14px, transparent 14px 28px),
    linear-gradient(160deg, #2b2b2b, #101010);
  color: rgba(255,255,255,.55);
  font-size: .68rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase;
  text-align: center; padding: 1rem;
}

/* ---------- Formularios ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.form-grid .full { grid-column: 1 / -1; }
.field label {
  display: block; font-size: .7rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--gray); margin-bottom: .5rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font); font-size: .95rem; font-weight: 400;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .85rem 1rem;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent-deep);
  box-shadow: 0 0 0 3px rgba(46,125,147,.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .82rem; color: var(--gray); }
.form-consent input { margin-top: .3rem; accent-color: var(--accent-deep); }

/* ---------- Notas legales ---------- */
.fine-print {
  font-size: .78rem; color: var(--gray-2);
  border-top: 1px solid var(--line);
  padding-top: 1.4rem; margin-top: 2.6rem;
  letter-spacing: .02em;
}
.section-dark .fine-print { border-color: #262626; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: #9a9a9a;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem;
  font-size: .88rem;
  text-align: center;
  position: relative;
}
.site-footer::before, .site-footer::after {
  content: "";
  position: absolute; top: 3rem; bottom: 3rem; width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  opacity: .55;
}
.site-footer::before { left: clamp(.8rem, 2vw, 2rem); }
.site-footer::after { right: clamp(.8rem, 2vw, 2rem); }
.footer-grid {
  display: flex; flex-direction: column; align-items: center;
  gap: 2.4rem;
  padding-bottom: 2.6rem;
  border-bottom: 1px solid #1c1c1c;
}
.site-footer .brand { justify-content: center; }
.site-footer .brand svg { height: 74px; }
.footer-desc { margin-top: 1.2rem; max-width: 34em; font-size: .84rem; margin-inline: auto; }
.footer-col h4 {
  font-size: .7rem; font-weight: 700;
  letter-spacing: .3em; text-transform: uppercase; color: var(--white);
  margin-bottom: 1rem;
}
.footer-col li { margin-bottom: .55rem; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-col a { transition: color .3s; }
.footer-col a:hover { color: var(--accent); }
.footer-legal {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  justify-content: center; align-items: center;
  padding-top: 1.8rem; font-size: .74rem; color: #6f6f6f;
  letter-spacing: .08em;
}
.footer-disclaimer {
  font-size: .72rem; color: #5d5d5d;
  padding-top: 1.4rem; max-width: 80em; margin-inline: auto;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.8rem);
  bottom: clamp(1rem, 3vw, 1.8rem);
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: grid; place-items: center;
  box-shadow: 0 0 0 6px rgba(37,211,102,.18), 0 10px 28px -8px rgba(0,0,0,.5);
  transition: transform .25s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Animación de entrada ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s ease, transform .9s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  :root { --header-h: 128px; }
  .intro-grid, .invest-band, .split { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat-card, .stat { min-height: 200px; }
  .pillars, .lines-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card { aspect-ratio: 4 / 3; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid figure.wide { grid-column: auto; }
  .photo-strip { grid-template-columns: repeat(3, 1fr); }
  .photo-strip div:nth-child(n+4) { display: none; }
  .timeline::before { left: 4.6rem; }
  .timeline-item { gap: 1.8rem; }
  .timeline-item::after { left: calc(4.6rem - 4px); }
  .bubbles { min-height: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
  .bubbles svg.lines { display: none; }
  .bubble { position: static; width: auto; margin: 0; }
}

@media (max-width: 620px) {
  .stats { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-scroll { display: none; }
  .bubbles { grid-template-columns: 1fr 1fr; }
  .brand-name .brand-main { font-size: .95rem; letter-spacing: .3em; }
  .topbar .container { justify-content: center; }
  .topbar-link { display: none; }
}