/* =========================================================
   OVERLORD — Propuesta 2
   Disposición inspirada en arup.com:
   cabecera dividida + titular serif sobre fondo blanco
   con imagen a sangre debajo. Tipografía editorial serif.
   ========================================================= */

:root {
  --c-bg:        #ffffff;
  --c-bg-alt:    #f5f4f1;
  --c-ink:       #1a1a1a;
  --c-ink-soft:  #6c6c6c;
  --c-slate:     #18406b;   /* azul de marca profundo para titulares (diferenciador vs Arup) */
  --c-line:      #e4e3df;
  --c-red:       #1d4c7b;    /* acento azul (marca Overlord) */

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", system-ui, -apple-system, sans-serif;

  --maxw: none;
  --pad:  clamp(1.25rem, 4vw, 3.5rem);
  --header-h: 104px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-sans); color: var(--c-ink); background: var(--c-bg);
  line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 400; line-height: 1.08; margin: 0; }
p { margin: 0 0 1rem; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.section { padding-block: clamp(4rem, 9vw, 8rem); }
.section--alt { background: var(--c-bg-alt); }

.label {
  font-family: var(--font-sans); text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 0.74rem; font-weight: 600; color: var(--c-red); margin: 0 0 1.25rem;
}
.section__head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__head--row { display: flex; justify-content: space-between; align-items: flex-end; max-width: none; gap: 2rem; flex-wrap: wrap; }
.section__title { font-size: clamp(2rem, 4.4vw, 3.4rem); color: var(--c-slate); letter-spacing: -0.01em; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-sans);
  font-weight: 600; font-size: .95rem; color: var(--c-ink); border-bottom: 2px solid var(--c-red);
  padding-bottom: 3px; transition: gap .25s var(--ease), color .25s var(--ease);
}
.link-arrow:hover { gap: .9rem; color: var(--c-red); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; width: 100%;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem;
  padding: 0.95rem 1.6rem; cursor: pointer; border: 0; background: var(--c-ink); color: #fff;
  transition: background .25s var(--ease);
}
.btn:hover { background: var(--c-red); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center; background: #fff;
  border-bottom: 1px solid transparent; transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled { border-color: var(--c-line); box-shadow: 0 6px 24px rgba(0,0,0,.05); }
.header__inner { display: flex; align-items: center; gap: clamp(1.5rem, 4vw, 3.5rem); width: 100%; }

.logo { display: flex; align-items: center; line-height: 1; flex-shrink: 0; }
.logo__img { height: 92px; width: auto; display: block; }
.logo__mark { font-family: var(--font-serif); font-weight: 500; font-size: 1.55rem; letter-spacing: .04em; color: var(--c-red); }
.logo__sub { font-family: var(--font-sans); font-weight: 600; font-size: .62rem; letter-spacing: .26em; text-transform: uppercase; color: var(--c-red); margin-top: 4px; }
.logo__img--footer { height: 88px; width: auto; margin-bottom: 1.1rem; }

.nav { display: flex; align-items: center; flex: 1; }
.nav__group { display: flex; align-items: center; gap: clamp(1.25rem, 2.4vw, 2.4rem); }
.nav__group--left { margin-right: auto; }
.nav__group--right { gap: clamp(1.25rem, 2vw, 2rem); }
.nav a { font-family: var(--font-sans); font-weight: 500; font-size: 1rem; color: var(--c-ink); position: relative; padding: 4px 0; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--c-red); transition: width .25s var(--ease); }
.nav a:hover::after { width: 100%; }

.icon-btn { display: inline-flex; background: none; border: 0; cursor: pointer; color: var(--c-ink); padding: 4px; transition: color .2s var(--ease); }
.icon-btn:hover { color: var(--c-red); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; margin-left: auto; }
.nav-toggle span { width: 26px; height: 2px; background: var(--c-ink); transition: all .3s var(--ease); }

/* ---------- Hero (titular DENTRO de la imagen) ----------
   Imagen grande redondeada; el titular va superpuesto abajo-izq.
   sobre un degradado oscuro sutil para garantizar legibilidad. */
.hero { padding-top: clamp(1rem, 2.5vw, 2rem); }
.hero__media { position: relative; width: 100%; height: calc(100svh - var(--header-h) + 5vh); min-height: 520px; overflow: hidden; border-radius: 24px; background: var(--c-bg-alt); }
/* Vídeo de fondo: cubre todo el marco, reproducción automática en bucle.
   Realzamos ligeramente color y contraste para que tenga vida. */
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: saturate(1.12) contrast(1.04) brightness(1.02); }
.hero__overlay { position: absolute; inset: 0; display: flex; align-items: flex-start; padding: clamp(1.75rem, 4vw, 3.5rem); background: linear-gradient(180deg, rgba(12,22,38,.5) 0%, rgba(12,22,38,.18) 30%, rgba(12,22,38,0) 56%); pointer-events: none; z-index: 2; }
.hero__title {
  color: #fff; font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 3rem); line-height: 1.08; letter-spacing: -0.01em;
  max-width: 18ch; margin: 0; text-shadow: 0 2px 30px rgba(0,0,0,.35);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.hero__title.is-fading { opacity: 0; transform: translateY(10px); }

/* ---------- Showcase (carrusel imagen + texto, banda inmersiva a sangre) ----------
   Transición cinematográfica: crossfade largo (1,5s) + paneo Ken Burns direccional
   que alterna de lado + enfoque progresivo (la imagen entra con un ligero desenfoque). */
.showcase { position: relative; }
.showcase__media { position: relative; width: 100%; height: clamp(440px, 72vh, 700px); overflow: hidden; background: var(--c-slate); }
.showcase__slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transform: scale(1.12); will-change: opacity, transform, filter;
  transition: opacity 1.5s cubic-bezier(.4, 0, .2, 1);
  filter: saturate(1.18) contrast(1.06) brightness(1.03); }
.showcase__slide.is-active { opacity: 1; z-index: 1; }
.showcase__slide:nth-of-type(odd).is-active  { animation: heroPanA 8s cubic-bezier(.22, .61, .36, 1) forwards; }
.showcase__slide:nth-of-type(even).is-active { animation: heroPanB 8s cubic-bezier(.22, .61, .36, 1) forwards; }
@keyframes heroPanA {
  0%   { transform: scale(1.15) translate3d(-1.6%,  1.2%, 0); filter: saturate(1.18) contrast(1.06) brightness(1.03) blur(7px); }
  22%  { filter: saturate(1.18) contrast(1.06) brightness(1.03) blur(0); }
  100% { transform: scale(1.06) translate3d( 1.6%, -1.2%, 0); filter: saturate(1.18) contrast(1.06) brightness(1.03) blur(0); }
}
@keyframes heroPanB {
  0%   { transform: scale(1.15) translate3d( 1.6%, -1.2%, 0); filter: saturate(1.18) contrast(1.06) brightness(1.03) blur(7px); }
  22%  { filter: saturate(1.18) contrast(1.06) brightness(1.03) blur(0); }
  100% { transform: scale(1.06) translate3d(-1.6%,  1.2%, 0); filter: saturate(1.18) contrast(1.06) brightness(1.03) blur(0); }
}
.showcase__overlay { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(1.75rem, 5vw, 4.5rem); pointer-events: none;
  background: linear-gradient(0deg, rgba(12,22,38,.62) 0%, rgba(12,22,38,.2) 40%, rgba(12,22,38,0) 72%); }
.showcase__label { font-family: var(--font-sans); text-transform: uppercase; letter-spacing: .16em; font-size: .74rem; font-weight: 600; color: #fff; opacity: .88; margin: 0 0 .8rem; }
.showcase__title { color: #fff; font-family: var(--font-serif); font-weight: 400; font-size: clamp(1.9rem, 4vw, 3.4rem); line-height: 1.08; letter-spacing: -.01em; max-width: 20ch; margin: 0; text-shadow: 0 2px 30px rgba(0,0,0,.4); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.showcase__title.is-fading { opacity: 0; transform: translateY(10px); }
.showcase__dots { position: absolute; top: clamp(1.5rem, 4vw, 2.75rem); right: clamp(1.5rem, 4vw, 2.75rem); z-index: 3; display: flex; gap: 10px; }
.showcase__dots button { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; cursor: pointer; background: rgba(255,255,255,.5); box-shadow: 0 1px 4px rgba(0,0,0,.3); transition: background .3s var(--ease), width .3s var(--ease); }
.showcase__dots button.is-active { background: #fff; width: 24px; border-radius: 5px; }
@media (prefers-reduced-motion: reduce) { .showcase__slide.is-active { animation: none; transform: none; } }

/* ---------- Intro ---------- */
.intro__grid { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(1.5rem, 5vw, 5rem); align-items: start; }
.intro__side { display: flex; flex-direction: column; }
.intro__media { position: relative; margin: 0; overflow: hidden; border-radius: 14px; aspect-ratio: 4 / 5; background: var(--c-bg-alt); }
.intro__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 5s var(--ease); }
.intro__media:hover img { transform: scale(1.07); }
.intro__media-chip { position: absolute; left: 14px; bottom: 14px; background: rgba(255,255,255,.94); backdrop-filter: blur(4px); border-radius: 10px; padding: .7rem 1rem .75rem; font-family: var(--font-sans); font-size: .8rem; font-weight: 600; color: var(--c-ink-soft); box-shadow: 0 10px 28px rgba(12,22,38,.22); }
.intro__media-chip strong { display: block; font-family: var(--font-serif); font-weight: 500; font-size: 1.4rem; line-height: 1.15; color: var(--c-slate); }
.intro__lead { font-family: var(--font-serif); font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.3; color: var(--c-ink); margin-bottom: 1.5rem; }
.intro__lead em { font-style: italic; color: var(--c-slate); }
.intro__body p:not(.intro__lead) { color: var(--c-ink-soft); max-width: 60ch; }
.intro__body .link-arrow { margin-top: 1rem; }

/* Banda de proceso: 4 pasos bajo la intro */
.intro__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.25rem, 2.5vw, 2rem); margin-top: clamp(2.75rem, 6vw, 4.5rem); }
.intro-step { position: relative; border-top: 1px solid var(--c-line); padding-top: 1.2rem; transition: transform .35s var(--ease); }
.intro-step::before { content: ""; position: absolute; top: -1px; left: 0; width: 34px; height: 2px; background: var(--c-red); transition: width .5s var(--ease); }
.intro-step:hover { transform: translateY(-4px); }
.intro-step:hover::before { width: 100%; }
.intro-step__num { font-family: var(--font-sans); font-weight: 600; font-size: .8rem; letter-spacing: .08em; color: var(--c-red); }
.intro-step__title { font-size: clamp(1.15rem, 1.8vw, 1.45rem); color: var(--c-ink); margin: .5rem 0 .45rem; }
.intro-step__desc { color: var(--c-ink-soft); font-size: .93rem; margin: 0; }

/* ---------- Markets / Sectores (lista editorial) ---------- */
.markets__list { border-top: 1px solid var(--c-line); }
.market {
  display: grid; grid-template-columns: 80px 1fr 1.1fr; gap: clamp(1rem, 4vw, 4rem); align-items: baseline;
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0; border-bottom: 1px solid var(--c-line);
  transition: padding-left .35s var(--ease);
}
.market:hover { padding-left: 1rem; }
.market__num { font-family: var(--font-sans); font-weight: 600; color: var(--c-red); font-size: .95rem; letter-spacing: .08em; }
.market__title { font-size: clamp(1.5rem, 2.8vw, 2.3rem); color: var(--c-slate); }
.market__desc { color: var(--c-ink-soft); margin: 0; }

/* ---------- Projects / Vehículos (paneles inmersivos apilados) ----------
   Cada vehículo ocupa un panel a casi pantalla completa que se
   queda fijo (sticky) mientras el siguiente lo cubre al hacer
   scroll, como un mazo de tarjetas. JS añade parallax a la
   imagen principal y a la imagen flotante secundaria, y escala/
   oscurece el panel saliente para dar profundidad. */
.projects .section__head--row { margin-bottom: clamp(2rem, 4vw, 3rem); }

.projects-stack { position: relative; padding-inline: var(--pad); }
.project-panel {
  position: sticky; top: var(--header-h);
  height: calc(100svh - var(--header-h) - clamp(1rem, 2.5vw, 2rem));
  min-height: 520px;
  margin-bottom: clamp(1rem, 2.5vw, 2rem);
}
.project-panel__inner {
  position: absolute; inset: 0; overflow: hidden; border-radius: 24px;
  background: var(--c-slate);
  box-shadow: 0 24px 60px rgba(12, 22, 38, .28);
  will-change: transform, filter; transform-origin: 50% 12%;
}
.project-panel__media { position: absolute; inset: 0; margin: 0; transition: transform .9s var(--ease); }
.project-panel__media img {
  position: absolute; left: 0; top: -12%; width: 100%; height: 124%;
  object-fit: cover; will-change: transform;
  filter: saturate(1.1) contrast(1.04);
}
.project-panel:hover .project-panel__media { transform: scale(1.025); }
.project-panel__scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(78deg, rgba(10, 20, 36, .74) 0%, rgba(10, 20, 36, .38) 42%, rgba(10, 20, 36, .06) 68%, rgba(10, 20, 36, 0) 100%),
    linear-gradient(0deg, rgba(10, 20, 36, .58) 0%, rgba(10, 20, 36, 0) 46%);
}
.project-panel__num {
  position: absolute; z-index: 2; top: clamp(.5rem, 2vw, 1.5rem); right: clamp(1.25rem, 3vw, 2.5rem);
  font-family: var(--font-serif); font-weight: 400; line-height: 1;
  font-size: clamp(5.5rem, 14vw, 12rem); color: rgba(255, 255, 255, .14);
  pointer-events: none; user-select: none;
}
.project-panel__aside {
  position: absolute; z-index: 2; margin: 0;
  right: clamp(1.5rem, 4.5vw, 4rem); bottom: clamp(2rem, 7vh, 4.5rem);
  width: clamp(200px, 23vw, 340px); aspect-ratio: 4 / 3;
  overflow: hidden; border-radius: 14px;
  box-shadow: 0 22px 55px rgba(10, 20, 36, .45);
  will-change: transform;
}
.project-panel__aside img { width: 100%; height: 100%; object-fit: cover; }
.project-panel__content {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 0;
  display: flex; flex-direction: column; align-items: flex-start;
  padding: clamp(1.75rem, 4.5vw, 4rem);
  max-width: min(680px, 88%); color: #fff;
}
.project-panel__tag {
  font-family: var(--font-sans); font-size: .74rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: #fff; opacity: .88;
  margin-bottom: .9rem;
}
.project-panel__title {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem); color: #fff; letter-spacing: -.01em;
  margin-bottom: .8rem; text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.project-panel__desc { color: rgba(255, 255, 255, .85); max-width: 52ch; margin-bottom: 1.1rem; }
.project-panel__meta {
  display: inline-flex; align-items: center;
  font-family: var(--font-sans); font-size: .78rem; font-weight: 600; letter-spacing: .04em;
  color: #fff; background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .32); border-radius: 999px;
  padding: .45rem .95rem; margin-bottom: 1.4rem;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.link-arrow--light { color: #fff; }
.link-arrow--light:hover { color: #fff; opacity: .85; }

/* Entrada escalonada del contenido cuando el panel entra en pantalla */
.reveal-on .project-panel .fx {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal-on .project-panel.is-inview .fx { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .project-panel__aside { display: none; }
}
@media (max-width: 640px) {
  .project-panel__inner { border-radius: 16px; }
  .project-panel { min-height: 460px; }
  .project-panel__num { font-size: clamp(4rem, 22vw, 6rem); }
}
@media (prefers-reduced-motion: reduce) {
  .project-panel__media img, .project-panel__aside, .project-panel__inner { transform: none !important; filter: none !important; }
  .project-panel:hover .project-panel__media { transform: none; }
}

/* ---------- Insights / Ideas ---------- */
.insights__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.insight { display: flex; flex-direction: column; }
.insight__media { display: block; overflow: hidden; background: var(--c-bg-alt); aspect-ratio: 3 / 2; margin-bottom: 1.1rem; border-radius: 10px; }
.insight__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.insight:hover .insight__media img { transform: scale(1.05); }
.insight__meta { font-family: var(--font-sans); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--c-red); margin: 0 0 .55rem; }
.insight__title { font-size: clamp(1.2rem, 1.9vw, 1.5rem); color: var(--c-slate); margin-bottom: .55rem; transition: color .25s var(--ease); }
.insight:hover .insight__title { color: var(--c-red); }
.insight__excerpt { color: var(--c-ink-soft); margin: 0 0 1rem; font-size: .96rem; }
.insight__read { margin-top: auto; font-family: var(--font-sans); font-weight: 600; font-size: .9rem; color: var(--c-red); }
.insight__read span { display: inline-block; transition: transform .25s var(--ease); }
.insight:hover .insight__read span { transform: translateX(5px); }

/* Jerarquía de color: titulares grandes en azul de marca; títulos de tarjeta en tinta */
.market__title, .project__title, .insight__title { color: var(--c-ink); }

/* ---------- Stats ---------- */
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; border-top: 1px solid var(--c-line); padding-top: clamp(2.5rem, 5vw, 4rem); }
.stat { display: flex; flex-direction: column; gap: .5rem; }
.stat__num { font-family: var(--font-serif); font-weight: 400; font-size: clamp(2.8rem, 6vw, 4.6rem); line-height: 1; color: var(--c-slate); }
.stat__label { color: var(--c-ink-soft); font-size: .95rem; }
.stats__note { color: var(--c-ink-soft); font-size: .8rem; margin: 2.5rem 0 0; }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
.about__media { aspect-ratio: 4 / 3; overflow: hidden; }
.about__media img { width: 100%; height: 100%; object-fit: cover; }
.about__text p { color: var(--c-ink-soft); max-width: 52ch; }
.about__text .link-arrow { margin-top: 1rem; }

/* ---------- Contact ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); }
.contact__intro p { color: var(--c-ink-soft); max-width: 44ch; }
.contact__details { margin-top: 2rem; border-top: 1px solid var(--c-line); }
.contact__details li { display: flex; gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid var(--c-line); align-items: baseline; }
.contact__details span { font-family: var(--font-sans); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: var(--c-ink); min-width: 90px; }
.contact__details a { color: var(--c-ink-soft); }
.contact__details a:hover { color: var(--c-red); }

.contact__form { background: var(--c-bg-alt); padding: clamp(1.5rem, 3vw, 2.5rem); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-family: var(--font-sans); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: .5rem; }
.field input, .field textarea { width: 100%; padding: .85rem 1rem; border: 1px solid var(--c-line); background: #fff; font-family: var(--font-sans); font-size: 1rem; color: var(--c-ink); resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--c-red); }
.contact__note { font-size: .78rem; color: var(--c-ink-soft); margin: .9rem 0 0; text-align: center; }

/* ---------- Footer (multi-columna) ---------- */
.footer { background: var(--c-ink); color: #fff; padding-block: clamp(3rem, 6vw, 4.5rem); }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.5rem 3rem; align-items: start; }
.logo__mark--footer { color: #fff; display: inline-block; margin-bottom: .9rem; }
.footer__brand p { color: rgba(255,255,255,.6); max-width: 36ch; margin: 0 0 1.5rem; font-size: .95rem; }
.footer__news label { display: block; font-family: var(--font-sans); font-weight: 600; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.75); margin-bottom: .6rem; }
.footer__news-row { display: flex; border: 1px solid rgba(255,255,255,.25); }
.footer__news-row input { flex: 1; background: none; border: 0; padding: .7rem .9rem; color: #fff; font-family: var(--font-sans); font-size: .95rem; }
.footer__news-row input::placeholder { color: rgba(255,255,255,.45); }
.footer__news-row input:focus { outline: none; }
.footer__news-row button { background: var(--c-red); border: 0; color: #fff; width: 46px; cursor: pointer; font-size: 1.1rem; transition: background .25s var(--ease); }
.footer__news-row button:hover { background: #fff; color: var(--c-ink); }
.footer__col { display: flex; flex-direction: column; gap: .7rem; }
.footer__col h4 { font-family: var(--font-sans); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: #fff; margin: 0 0 .35rem; }
.footer__col a { color: rgba(255,255,255,.7); font-size: .95rem; transition: color .2s var(--ease); }
.footer__col a:hover { color: #fff; }
.footer__office { color: rgba(255,255,255,.7); font-size: .95rem; line-height: 1.8; margin: 0; }
.footer__office a:hover { color: #fff; }
.footer__social { display: flex; gap: .8rem; margin-top: 1.1rem; }
.footer__social a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: rgba(255,255,255,.8); transition: all .25s var(--ease); }
.footer__social a:hover { background: #fff; color: var(--c-ink); border-color: #fff; }
.footer__legal { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.75rem; margin-top: 3rem; font-size: .82rem; color: rgba(255,255,255,.5); }

/* ---------- Reveal ----------
   Resiliente: el contenido es visible por defecto. Solo se oculta para
   animar cuando JS añade .reveal-on a <html>. Sin JS → todo visible. */
.reveal-on .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-on .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal-on .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav__group--left { gap: 1.25rem; }
}
@media (max-width: 960px) {
  .intro__grid, .about__grid, .contact__grid { grid-template-columns: 1fr; }
  .intro__media { aspect-ratio: 3 / 2; }
  .intro__steps { grid-template-columns: repeat(2, 1fr); }
  .projects__grid { grid-template-columns: 1fr; }
  .insights__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
  .market { grid-template-columns: 48px 1fr; }
  .market__desc { grid-column: 2; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; padding: .5rem var(--pad) 1.5rem; border-bottom: 1px solid var(--c-line);
    transform: translateY(-130%); transition: transform .35s var(--ease); box-shadow: 0 20px 40px rgba(0,0,0,.08); gap: 0;
  }
  .nav.open { transform: translateY(0); }
  .nav__group { flex-direction: column; align-items: flex-start; gap: 0; }
  .nav__group--left { margin-right: 0; }
  .nav a { width: 100%; padding: .9rem 0; border-bottom: 1px solid var(--c-line); }
  .nav a::after { display: none; }
  .icon-btn { padding: .9rem .5rem 0 0; }
  .nav-toggle { display: flex; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr; }
  .intro__steps { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .hero__media { border-radius: 16px; height: calc(100svh - var(--header-h)); min-height: 420px; }
}