/* =================================================================
   GRUPO METCON — CSS v2
   Dark editorial · Construction premium
   ================================================================= */

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #1E3347;
  --bg-surface:  #2D4459;
  --bg-card:     #253A4E;
  --bg-hover:    #324D63;
  --ink:         #E5E8EA;
  --ink-dim:     #BEC4C9;
  --ink-muted:   #7489A3;
  --accent:      #BEC4C9;
  --accent-dim:  #7489A3;
  --accent-glow: rgba(190,196,201,0.15);
  --line:        rgba(190,196,201,0.10);
  --line-strong: rgba(190,196,201,0.20);
  --serif:  'DM Serif Display', serif;
  --sans:   'DM Sans', sans-serif;
  --mono:   'IBM Plex Mono', monospace;
  --max-w: 1200px;
  --nav-h: 72px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* TYPOGRAPHY */
.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.section-title em { font-style: italic; color: var(--ink-dim); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn--primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--primary:hover { background: transparent; color: var(--ink); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--white { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--white:hover { background: transparent; color: var(--ink); }

/* NAVBAR */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(30,51,71,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}
.nav__logo { display: flex; align-items: center; gap: 12px; }
.nav__logo-icon { height: 36px; width: 36px; object-fit: cover; border-radius: 50%; }
.nav__logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav__logo-name { font-family: var(--sans); font-size: 14px; font-weight: 400; color: var(--ink); letter-spacing: 0.02em; }
.nav__logo-name strong { font-weight: 600; }
.nav__logo-tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }
.nav__menu { display: flex; align-items: center; gap: 36px; }
.nav__link {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-dim); transition: color 0.2s ease;
  position: relative;
}
.nav__link::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent); transform: scaleX(0); transition: transform 0.2s ease;
}
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__cta {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; background: var(--ink); color: var(--bg);
  padding: 10px 20px; border: 1px solid var(--ink); transition: all 0.25s ease;
}
.nav__cta:hover { background: transparent; color: var(--ink); }
.nav__burger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 32px; height: 32px; background: none;
  border: none; cursor: pointer; padding: 0;
}
.nav__burger span { display: block; height: 1px; background: var(--ink); transition: all 0.3s ease; transform-origin: center; }
.nav__burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav__social { display: flex; align-items: center; gap: 16px; margin-right: 4px; }
.nav__social-link { display: flex; align-items: center; color: var(--ink); transition: color 0.2s ease; }
.nav__social-link:hover { color: var(--ink-muted); }
.nav__social-link svg { display: block; }

.nav-overlay {
  display: none;
  position: fixed; inset: var(--nav-h) 0 0 0;
  background: var(--bg); z-index: 99;
  flex-direction: column; padding: 48px 40px;
  border-top: 1px solid var(--line);
  opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
}
.nav-overlay.open { opacity: 1; pointer-events: auto; }
.nav-overlay__link {
  font-family: var(--serif); font-size: 40px; font-weight: 400;
  color: var(--ink-dim); padding: 20px 0; border-bottom: 1px solid var(--line);
  transition: color 0.2s ease; display: flex; align-items: center; justify-content: space-between;
}
.nav-overlay__link:hover { color: var(--ink); }
.nav-overlay__link .arrow { font-size: 24px; color: var(--accent); }
.nav-overlay__cta { margin-top: 32px; align-self: flex-start; }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(25%); }
.hero__bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(30,51,71,0.5) 0%, rgba(30,51,71,0.25) 35%, rgba(30,51,71,0.75) 70%, rgba(30,51,71,1) 100%);
}
.hero__topo {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 1; pointer-events: none;
}
.hero__content {
  position: relative; z-index: 2;
  padding: 0 40px 80px;
  max-width: var(--max-w); margin: 0 auto; width: 100%;
}
.hero__eyebrow { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.hero__eyebrow-line { display: block; width: 40px; height: 1px; background: var(--accent); }
.hero__eyebrow-text { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.hero__title {
  font-family: var(--serif);
  font-size: clamp(52px, 8vw, 104px);
  font-weight: 400; line-height: 0.95;
  letter-spacing: -0.03em; color: var(--ink); margin-bottom: 32px;
}
.hero__title em { font-style: italic; color: rgba(240,237,232,0.55); }
.hero__subtitle { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-dim); margin-bottom: 48px; }
.hero__subtitle span { color: var(--ink-muted); margin: 0 8px; }
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* Stats bar */
.hero__stats {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line);
}
.hero__stats-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
}
.hero__stat {
  background: rgba(16,16,16,0.92);
  backdrop-filter: blur(8px);
  padding: 28px 40px;
  display: flex; flex-direction: column; gap: 6px;
}
.hero__stat-value {
  font-family: var(--serif); font-size: 48px; font-weight: 400;
  line-height: 1; color: var(--ink); letter-spacing: -0.02em;
  display: flex; align-items: baseline; gap: 2px;
}
.hero__stat-value sup { font-size: 20px; color: var(--accent); }
.hero__stat-label { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }

/* Ticker */
.ticker-wrap { position: relative; z-index: 2; overflow: hidden; background: #152636; padding: 12px 0; }
.ticker { display: flex; width: max-content; animation: ticker-scroll 30s linear infinite; }
.ticker__item { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(190,196,201,0.75); white-space: nowrap; padding-right: 0; }
.ticker__dot { display: inline-block; width: 3px; height: 3px; background: rgba(190,196,201,0.4); border-radius: 50%; margin: 0 20px; vertical-align: middle; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ABOUT */
.about { padding: 120px 0; }
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about__header { margin-bottom: 32px; }
.about__body { font-size: 16px; line-height: 1.8; color: var(--ink-dim); margin-bottom: 20px; }
.about__link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); margin-top: 16px; transition: gap 0.2s ease;
}
.about__link:hover { gap: 16px; }
.about__img-wrap {
  position: relative; aspect-ratio: 4/5; overflow: hidden;
}
.about__img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; filter: grayscale(20%); }
.about__img-wrap:hover img { transform: scale(1.03); }
.about__img-wrap::before { content: ''; position: absolute; inset: 0; border: 1px solid var(--line-strong); z-index: 1; pointer-events: none; }
.about__img-wrap::after {
  content: ''; position: absolute; bottom: -1px; right: -1px;
  width: 60px; height: 60px; background: var(--accent);
  clip-path: polygon(100% 0, 100% 100%, 0 100%); z-index: 2;
}

/* STATS */
.stats { padding: 0 0 80px; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.stat {
  padding: 48px 40px; border-right: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.stat:last-child { border-right: none; }
.stat::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.stat:hover::before { transform: scaleX(1); }
.stat__value {
  font-family: var(--serif); font-size: 52px; font-weight: 400;
  line-height: 1; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 10px;
  display: flex; align-items: baseline; gap: 2px;
}
.stat__prefix, .stat__suffix { font-size: 24px; color: var(--accent); }
.stat__label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }

/* RUBROS */
.rubros { padding: 120px 0; background: var(--bg-surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rubros__header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 64px; }
.rubros__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
.rubro-card {
  background: var(--bg-card); padding: 48px 40px;
  display: flex; flex-direction: column;
  transition: background 0.3s ease; position: relative; overflow: hidden;
}
.rubro-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.rubro-card:hover { background: var(--bg-hover); }
.rubro-card:hover::before { transform: scaleX(1); }
.rubro-card__num {
  font-family: var(--serif); font-size: 72px; font-weight: 400;
  line-height: 1; color: var(--ink-muted); letter-spacing: -0.04em;
  margin-bottom: 32px; opacity: 0.3; transition: opacity 0.3s ease, color 0.3s ease;
}
.rubro-card:hover .rubro-card__num { opacity: 1; color: var(--accent); }
.rubro-card__title { font-family: var(--serif); font-size: 30px; font-weight: 400; line-height: 1.1; color: var(--ink); letter-spacing: -0.01em; margin-bottom: 24px; }
.rubro-card__divider { width: 32px; height: 1px; background: var(--accent); margin-bottom: 24px; transition: width 0.3s ease; }
.rubro-card:hover .rubro-card__divider { width: 64px; }
.rubro-card__body { font-size: 14px; line-height: 1.75; color: var(--ink-dim); flex: 1; margin-bottom: 32px; }
.rubro-card__link {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px; transition: gap 0.2s ease;
}
.rubro-card:hover .rubro-card__link { gap: 14px; }

/* PROYECTOS HOME */
.proyectos { padding: 120px 0; }
.proyectos__head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 64px; }
.proyectos__all {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px; transition: gap 0.2s ease;
  align-self: flex-end; padding-bottom: 4px;
}
.proyectos__all:hover { gap: 14px; }
.proyectos__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; }
.proyecto-card { position: relative; aspect-ratio: 16/10; overflow: hidden; cursor: pointer; }
.proyecto-card img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(25%); transition: transform 0.6s ease, filter 0.4s ease; }
.proyecto-card:hover img { transform: scale(1.05); filter: grayscale(0%); }
.proyecto-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(30,51,71,0.92) 0%, rgba(30,51,71,0.35) 50%, rgba(30,51,71,0.05) 100%);
}
.proyecto-card__info {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 32px;
  transform: translateY(6px); transition: transform 0.3s ease;
}
.proyecto-card:hover .proyecto-card__info { transform: translateY(0); }
.proyecto-card__tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 8px; }
.proyecto-card__name { font-family: var(--serif); font-size: 24px; font-weight: 400; line-height: 1.15; color: var(--ink); letter-spacing: -0.01em; margin-bottom: 8px; }
.proyecto-card__meta { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--ink-muted); }

/* CTA FINAL */
.cta-final {
  position: relative; padding: 140px 0;
  background: var(--bg-surface); border-top: 1px solid var(--line); overflow: hidden;
}
.cta-final__topo { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0.35; }
.cta-final__inner { position: relative; z-index: 1; max-width: 680px; }
.cta-final__title {
  font-family: var(--serif); font-size: clamp(40px, 6vw, 72px);
  font-weight: 400; line-height: 1.05; letter-spacing: -0.02em;
  color: var(--ink); margin-bottom: 28px;
}
.cta-final__title em { font-style: italic; color: var(--ink-dim); }
.cta-final__body { font-size: 16px; line-height: 1.8; color: var(--ink-dim); margin-bottom: 48px; max-width: 520px; }

/* FOOTER */
.footer { background: var(--bg); border-top: 1px solid var(--line); padding: 80px 0 40px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 60px; }
.footer__brand-logo { height: auto; max-width: 180px; width: 100%; object-fit: contain; margin-bottom: 16px; }
.footer__brand-name { font-family: var(--sans); font-size: 15px; font-weight: 400; color: var(--ink); margin-bottom: 4px; }
.footer__brand-name strong { font-weight: 600; }
.footer__brand-tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 20px; }
.footer__brand-desc { font-size: 13px; line-height: 1.7; color: var(--ink-muted); max-width: 280px; }
.footer__col-title { font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 20px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: 14px; color: var(--ink-dim); transition: color 0.2s ease; }
.footer__link:hover { color: var(--ink); }
.footer__contact-row { margin-bottom: 8px; }
.footer__contact-row a { font-size: 14px; color: var(--ink-dim); transition: color 0.2s ease; }
.footer__contact-row a:hover { color: var(--accent); }
.footer__contact-row:last-child { font-size: 13px; color: var(--ink-muted); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; border-top: 1px solid var(--line); }
.footer__legal { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--ink-muted); }
.footer__social { display: flex; gap: 20px; align-items: center; }
.footer__social-link { display: flex; align-items: center; color: var(--ink-muted); transition: color 0.2s ease; }
.footer__social-link:hover { color: var(--ink); }
.footer__social-link svg { display: block; }

/* INNER PAGE HERO */
.page-hero { padding: calc(var(--nav-h) + 80px) 0 80px; border-bottom: 1px solid var(--line); }
.page-hero__title {
  font-family: var(--serif); font-size: clamp(48px, 7vw, 80px);
  font-weight: 400; line-height: 1.0; letter-spacing: -0.03em;
  color: var(--ink); margin-bottom: 28px;
}
.page-hero__title em { font-style: italic; color: var(--ink-dim); }
.page-hero__lead { font-size: 18px; line-height: 1.75; color: var(--ink-dim); max-width: 600px; }

/* NOSOTROS */
.nosotros-content { padding: 100px 0; }
.nosotros-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; margin-bottom: 80px; }
.nosotros-text h3 { font-family: var(--serif); font-size: 28px; font-weight: 400; color: var(--ink); margin-bottom: 20px; letter-spacing: -0.01em; }
.nosotros-text p { font-size: 16px; line-height: 1.85; color: var(--ink-dim); margin-bottom: 20px; }
.nosotros-img { aspect-ratio: 1; overflow: hidden; }
.nosotros-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%); }
.valores { padding: 80px 0; border-top: 1px solid var(--line); }
.valores__header { margin-bottom: 48px; }
.valores__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.valor-item { background: var(--bg-card); padding: 40px 36px; }
.valor-item__num { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 16px; }
.valor-item__title { font-family: var(--serif); font-size: 22px; font-weight: 400; color: var(--ink); margin-bottom: 14px; letter-spacing: -0.01em; }
.valor-item__body { font-size: 14px; line-height: 1.75; color: var(--ink-dim); }

/* RUBROS PAGE */
.rubros-section { padding: 100px 0; border-bottom: 1px solid var(--line); }
.rubros-section:last-of-type { border-bottom: none; }
.rubro-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.rubro-detail--reverse .rubro-detail__img { order: -1; }
.rubro-detail__tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.rubro-detail__title { font-family: var(--serif); font-size: clamp(32px, 4vw, 48px); font-weight: 400; line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 24px; }
.rubro-detail__title em { font-style: italic; color: var(--ink-dim); }
.rubro-detail__body { font-size: 15px; line-height: 1.8; color: var(--ink-dim); margin-bottom: 24px; }
.rubro-detail__list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 32px; }
.rubro-detail__item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--ink-dim); }
.rubro-detail__item::before { content: ''; display: block; width: 20px; height: 1px; background: var(--accent); flex-shrink: 0; }
.rubro-detail__img { aspect-ratio: 4/5; overflow: hidden; }
.rubro-detail__img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%); transition: transform 0.5s ease; }
.rubro-detail__img:hover img { transform: scale(1.03); }

/* PROYECTOS PAGE */
.proyectos-page { padding: 80px 0 120px; }
.proyectos-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 48px; }
.proyecto-item { position: relative; aspect-ratio: 3/4; overflow: hidden; cursor: pointer; }
.proyecto-item img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(30%); transition: transform 0.5s ease, filter 0.4s ease; }
.proyecto-item:hover img { transform: scale(1.06); filter: grayscale(0%); }
.proyecto-item__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(30,51,71,0.9) 0%, transparent 55%); }
.proyecto-item__info { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px 24px; }
.proyecto-item__tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.proyecto-item__name { font-family: var(--serif); font-size: 20px; font-weight: 400; color: var(--ink); line-height: 1.2; margin-bottom: 6px; }
.proyecto-item__meta { font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; color: var(--ink-muted); }

/* PROCESO (caminito) */
.proceso { padding: 80px 0; background: var(--bg-surface); border-bottom: 1px solid var(--line); }
.proceso__header { margin-bottom: 56px; }
.proceso__steps { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: start; gap: 0; }
.proceso__step { text-align: center; padding: 0 16px; }
.proceso__step-icon { width: 56px; height: 56px; border: 1px solid var(--line-strong); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; color: var(--ink); background: var(--bg-card); }
.proceso__step-num { font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 10px; }
.proceso__step-title { font-family: var(--sans); font-size: 15px; font-weight: 500; color: var(--ink); margin-bottom: 8px; }
.proceso__step-desc { font-family: var(--sans); font-size: 13px; color: var(--ink-muted); line-height: 1.6; }
.proceso__connector { align-self: center; padding-bottom: 56px; color: var(--line-strong); display: flex; align-items: center; }
.proceso__connector svg { display: block; }

/* CONTACTO PAGE */
.contacto-page { padding: 80px 0 120px; }
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 64px; }
.contacto-form { background: var(--bg-card); border: 1px solid var(--line); padding: 48px; }
.contacto-form__title { font-family: var(--serif); font-size: 24px; font-weight: 400; color: var(--ink); margin-bottom: 8px; letter-spacing: -0.01em; }
.contacto-form__subtitle { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-surface); border: 1px solid var(--line);
  color: var(--ink); font-family: var(--sans); font-size: 14px;
  padding: 14px 16px; outline: none; transition: border-color 0.2s ease;
  width: 100%; -webkit-appearance: none; appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--ink-muted); }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8580' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
  padding-right: 40px; cursor: pointer;
}
.form-group select option { background: var(--bg-card); color: var(--ink); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit {
  width: 100%; padding: 16px; background: var(--accent); color: #fff;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; border: 1px solid var(--accent); cursor: pointer;
  transition: all 0.25s ease; display: flex; align-items: center; justify-content: center; gap: 12px;
}
.form-submit:hover { background: transparent; color: var(--accent); }
.contacto-info { display: flex; flex-direction: column; gap: 32px; }
.info-block__label { font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.info-block__value { font-family: var(--serif); font-size: 22px; font-weight: 400; color: var(--ink); line-height: 1.3; margin-bottom: 6px; }
.info-block__detail { font-size: 14px; color: var(--ink-dim); }
.info-block__detail a { color: var(--ink-dim); transition: color 0.2s ease; }
.info-block__detail a:hover { color: var(--accent); }
.info-links { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--line); }
.info-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-dim); transition: all 0.2s ease;
}
.info-link:last-child { border-bottom: none; }
.info-link:hover { background: var(--bg-hover); color: var(--ink); }
.info-link .arrow { color: var(--accent); }

/* ANIMATIONS */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: none; }
@keyframes page-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
main { animation: page-in 0.4s ease forwards; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__img-wrap { aspect-ratio: 16/9; max-height: 400px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(3) { border-right: 1px solid var(--line); }
  .rubros__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nosotros-grid { grid-template-columns: 1fr; gap: 48px; }
  .rubro-detail { grid-template-columns: 1fr; gap: 40px; }
  .rubro-detail--reverse .rubro-detail__img { order: 0; }
  .contacto-grid { grid-template-columns: 1fr; gap: 48px; }
  .valores__grid { grid-template-columns: 1fr 1fr; }
  .proceso__steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .proceso__connector { display: none; }
}
@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .nav__menu { display: none; }
  .nav__social { display: none; }
  .nav__burger { display: flex; }
  .nav-overlay { display: flex; }
  .hero__content { padding: 0 24px 64px; }
  .hero__stats-inner { grid-template-columns: 1fr; }
  .proyectos__grid { grid-template-columns: 1fr; }
  .proyectos-list { grid-template-columns: 1fr 1fr; }
  .rubros__header { flex-direction: column; align-items: flex-start; gap: 24px; }
  .proyectos__head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer__grid { grid-template-columns: 1fr; }
  .valores__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contacto-form { padding: 28px 24px; }
  .proceso__steps { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 20px; text-align: center; }
}
@media (max-width: 480px) {
  .proyectos-list { grid-template-columns: 1fr; }
  .hero__title { font-size: 44px; }
}

/* PROJECT MODAL */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(30,51,71,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--line-strong);
  max-width: 720px; width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal__slider { position: relative; overflow: hidden; background: #0d1e2b; height: 420px; }
.modal__slides { display: flex; width: 100%; height: 100%; transition: transform 0.35s ease; }
.modal__slide { width: 100%; min-width: 100%; height: 100%; flex-shrink: 0; }
.modal__slide img { width: 100%; height: 100%; object-fit: contain; display: block; }
.modal__slide-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(30,51,71,0.75); border: 1px solid var(--line-strong);
  color: var(--ink); width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 22px; z-index: 5; line-height: 1;
  transition: background 0.2s; padding: 0;
}
.modal__slide-btn:hover { background: rgba(30,51,71,0.97); }
.modal__slide-btn--prev { left: 12px; }
.modal__slide-btn--next { right: 12px; }
.modal__slide-btn[hidden] { display: none; }
.modal__dots { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; }
.modal__dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(229,232,234,0.35); border: none; cursor: pointer; padding: 0; transition: background 0.2s; }
.modal__dot.active { background: var(--ink); }
.modal__body { padding: 36px 40px; }
.modal__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.modal__title {
  font-family: var(--serif);
  font-size: 28px; font-weight: 400;
  line-height: 1.2; margin-bottom: 8px;
}
.modal__meta {
  font-family: var(--mono);
  font-size: 11px; color: var(--ink-muted);
  margin-bottom: 20px;
}
.modal__desc {
  font-size: 15px; line-height: 1.7;
  color: var(--ink-dim);
  margin-bottom: 28px;
}
.modal__close {
  position: absolute; top: 16px; right: 16px;
  background: var(--bg); border: 1px solid var(--line-strong);
  color: var(--ink); width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 18px; z-index: 10;
  transition: border-color 0.2s;
}
.modal__close:hover { border-color: var(--accent); }
@media (max-width: 640px) {
  .modal__body { padding: 24px 20px; }
  .modal__title { font-size: 22px; }
  .modal__slider { height: 260px; }
  .modal__img { height: 200px; }
}

/* =================================================================
   FUNDADORES — NOSOTROS
   ================================================================= */
.fundadores {
  background: var(--bg-surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 80px 0;
}
.fundadores__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: center;
}
.fundadores__quote { max-width: 560px; }
.fundadores__statement {
  font-family: var(--serif);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 400;
  line-height: 1.7;
  color: var(--ink-dim);
  margin-bottom: 24px;
  font-style: italic;
}
.fundadores__statement:last-child { margin-bottom: 0; }
.fundadores__socios {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--line-strong);
}
.fundadores__divider { height: 1px; background: var(--line-strong); }
.fundador-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  transition: background 0.2s ease;
}
.fundador-card:hover { background: var(--bg-hover); }
.fundador-card__initial {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  flex-shrink: 0;
  width: 36px;
}
.fundador-card__name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.fundador-card__role {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

@media (max-width: 1024px) {
  .fundadores__inner { grid-template-columns: 1fr; gap: 48px; }
  .fundadores__socios { max-width: 480px; }
}
@media (max-width: 640px) {
  .fundador-card { padding: 22px 24px; }
}

/* =================================================================
   TECNOLOGÍA DE OBRA (MDE & LIDAR + BIM)
   ================================================================= */

/* Nav active state */
.nav__link--active { color: var(--ink); }
.nav__link--active::after { transform: scaleX(1); }

/* Hero tall — with background image */
.page-hero--tall {
  position: relative;
  padding: calc(var(--nav-h) + 100px) 0 100px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero--tall .container { position: relative; z-index: 2; }
.page-hero__bg {
  position: absolute; inset: 0; z-index: 0;
}
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%); }
.page-hero__bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(30,51,71,0.7) 0%, rgba(30,51,71,0.5) 40%, rgba(30,51,71,0.92) 100%);
}

/* MDE ventajas grid */
.mde-ventajas__head { margin-bottom: 56px; }
.mde-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.mde-card {
  background: var(--bg);
  padding: 36px 32px;
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.mde-card:hover { border-color: var(--line-strong); background: var(--bg-hover); }
.mde-card__icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.mde-card__title {
  font-family: var(--serif);
  font-size: 20px; font-weight: 400;
  margin-bottom: 12px; line-height: 1.2;
}
.mde-card__body {
  font-size: 14px; line-height: 1.75;
  color: var(--ink-dim);
}

/* MDE etapas */
.mde-etapas__head { margin-bottom: 56px; max-width: 600px; }
.mde-etapas__lead { font-size: 17px; line-height: 1.75; color: var(--ink-dim); margin-top: 20px; }
.mde-etapas__list { display: flex; flex-direction: column; gap: 0; }
.mde-etapa {
  display: flex; gap: 48px; align-items: flex-start;
  padding: 40px 0; border-bottom: 1px solid var(--line);
}
.mde-etapa:first-child { border-top: 1px solid var(--line); }
.mde-etapa__num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--accent); flex-shrink: 0; padding-top: 4px; width: 28px;
}
.mde-etapa__title {
  font-family: var(--serif); font-size: 22px; font-weight: 400;
  margin-bottom: 12px; line-height: 1.2;
}
.mde-etapa__body { font-size: 15px; line-height: 1.75; color: var(--ink-dim); }

/* MDE interop */
.mde-interop__head { margin-bottom: 56px; max-width: 680px; }
.mde-interop__lead { font-size: 17px; line-height: 1.75; color: var(--ink-dim); margin-top: 20px; }
.mde-interop__groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; margin-bottom: 48px; }
.mde-interop__group-title {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.mde-interop__pills { display: flex; flex-wrap: wrap; gap: 8px; }
.mde-pill {
  font-family: var(--sans); font-size: 13px;
  padding: 6px 14px; border: 1px solid var(--line-strong);
  color: var(--ink-dim); background: var(--bg-card);
  transition: border-color 0.2s, color 0.2s;
}
.mde-pill:hover { border-color: var(--accent); color: var(--ink); }
.mde-pill--mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; }
.mde-interop__formats { border-top: 1px solid var(--line); padding-top: 36px; }
.mde-interop__formats-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.mde-interop__pills--formats { gap: 10px; }

/* MDE aplicaciones */
.mde-aplicaciones { display: flex; flex-direction: column; gap: 80px; }
.mde-aplicacion {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.mde-aplicacion--reverse { direction: rtl; }
.mde-aplicacion--reverse > * { direction: ltr; }
.mde-aplicacion__img { height: 420px; overflow: hidden; }
.mde-aplicacion__title {
  font-family: var(--serif); font-size: clamp(24px, 3vw, 32px);
  font-weight: 400; line-height: 1.2; margin-bottom: 24px;
}

/* Teaser MDE en index */
.mde-teaser {
  background: var(--bg-surface);
}
.mde-teaser__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; min-height: 480px;
}
.mde-teaser__img { position: relative; overflow: hidden; }
.mde-teaser__img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(15%); }
.mde-teaser__img::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, var(--bg-surface) 0%, transparent 15%, transparent 85%, var(--bg-surface) 100%);
}
.mde-teaser__img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to right, transparent 60%, var(--bg-surface) 100%);
}
.mde-teaser__content {
  display: flex; flex-direction: column; justify-content: center;
  padding: 64px;
}
.mde-teaser__content .section-label { margin-bottom: 24px; }
.mde-teaser__title {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400; line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 20px;
}
.mde-teaser__title em { font-style: italic; color: var(--ink-dim); }
.mde-teaser__body { font-size: 16px; line-height: 1.75; color: var(--ink-dim); margin-bottom: 32px; }
.mde-teaser__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.mde-teaser__tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 5px 12px;
  border: 1px solid var(--line-strong); color: var(--ink-muted);
}
.mde-teaser--reverse .mde-teaser__inner { direction: rtl; }
.mde-teaser--reverse .mde-teaser__inner > * { direction: ltr; }
.mde-teaser--reverse .mde-teaser__img::after {
  background: linear-gradient(to left, transparent 60%, var(--bg-surface) 100%);
}

/* Responsive MDE */
@media (max-width: 1024px) {
  .mde-grid { grid-template-columns: repeat(2, 1fr); }
  .mde-aplicacion { grid-template-columns: 1fr; gap: 32px; }
  .mde-aplicacion--reverse { direction: ltr; }
  .mde-aplicacion__img { height: 280px; }
  .mde-interop__groups { grid-template-columns: 1fr; gap: 32px; }
  .mde-teaser__inner { grid-template-columns: 1fr; }
  .mde-teaser__img { height: 300px; }
  .mde-teaser__img::after { background: linear-gradient(to bottom, transparent 60%, var(--bg-surface) 100%); }
  .mde-teaser--reverse .mde-teaser__inner { direction: ltr; }
  .mde-teaser--reverse .mde-teaser__img::after { background: linear-gradient(to bottom, transparent 60%, var(--bg-surface) 100%); }
  .mde-teaser__content { padding: 48px 40px; }
}
@media (max-width: 640px) {
  .mde-grid { grid-template-columns: 1fr; }
  .mde-etapa { gap: 24px; padding: 28px 0; }
  .mde-teaser__content { padding: 40px 20px; }
  .page-hero--tall { padding: calc(var(--nav-h) + 64px) 0 64px; }
}

/* BIM section */
.bim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.bim-card {
  background: var(--bg-surface);
  padding: 40px 36px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.bim-card:hover { border-color: var(--line-strong); background: var(--bg-hover); }
.bim-card__icon { color: var(--accent); }
.bim-card__title {
  font-family: var(--serif);
  font-size: 21px; font-weight: 400;
  line-height: 1.2; color: var(--ink);
}
.bim-card__body {
  font-size: 14px; line-height: 1.75;
  color: var(--ink-dim);
}
.bim-softwares {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 4px;
}
.bim-software-tag {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--line-strong);
  color: var(--ink-muted);
}

/* Tech page nav tabs */
.tech-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 64px;
}
.tech-tab {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 16px 28px; color: var(--ink-muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  cursor: pointer;
}
.tech-tab--active, .tech-tab:hover { color: var(--ink); border-bottom-color: var(--accent); }

@media (max-width: 1024px) {
  .bim-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .bim-card { padding: 28px 24px; }
}

/* Tech GIF showcase */
.tech-showcase {
  background: var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tech-showcase__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.tech-showcase__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  border-right: 1px solid var(--line);
}
.tech-showcase__item:last-child { border-right: none; }
.tech-showcase__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(15%);
  transition: transform 0.4s ease, filter 0.4s ease;
  display: block;
}
.tech-showcase__item:hover img {
  transform: scale(1.04);
  filter: grayscale(0%);
}
.tech-showcase__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(30,51,71,0.92) 0%, transparent 100%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
@media (max-width: 1024px) {
  .tech-showcase__grid { grid-template-columns: repeat(2, 1fr); }
  .tech-showcase__item:nth-child(2) { border-right: none; }
  .tech-showcase__item { border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .tech-showcase__grid { grid-template-columns: repeat(2, 1fr); }
}