/* ==========================================================================
   Legado Grupo Inmobiliario — Hoja de estilos principal
   Sistema de diseño minimalista, inspirado en estudios de arquitectura
   ========================================================================== */

:root {
  /* Paleta de marca Legado */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f9f9;
  --color-ink: #0e2224;
  --color-ink-soft: #4b5b5c;
  --color-mute: #8a9798;
  --color-line: #dfe9e9;
  --color-teal: #02979e;
  --color-teal-dark: #026a70;
  --color-teal-light: #e3f4f4;
  --color-gold: #ffc827;
  --color-gold-dark: #e0a900;
  --color-accent: #02979e;
  --color-accent-dark: #026a70;
  --color-overlay: rgba(2, 20, 22, 0.55);
  --gradient-brand: linear-gradient(120deg, var(--color-teal) 0%, #04b6ae 100%);
  --gradient-gold: linear-gradient(120deg, var(--color-gold) 0%, #ffb400 100%);

  /* Tipografía */
  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaciado */
  --gutter: clamp(1.5rem, 5vw, 6rem);
  --section-pad: clamp(4rem, 10vw, 9rem);
  --max-width: 1320px;

  /* Transiciones */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.7s;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; max-width: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

img { max-width: 100%; display: block; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: 0.005em;
}

h1 { font-weight: 700; }

p { margin: 0 0 1em; color: var(--color-ink-soft); font-weight: 400; }

strong, b { font-weight: 600; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--section-pad) 0;
}

.section-bg-alt { background: var(--color-bg-alt); }

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 1.1rem;
  font-weight: 600;
}

.section-head {
  max-width: 720px;
  margin: 0 0 3.5rem;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-head p {
  font-size: 1.05rem;
  max-width: 56ch;
}
.section-head.center p { margin-left: auto; margin-right: auto; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 2.1rem;
  border: 1px solid var(--color-ink);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.btn:hover { background: var(--color-ink); color: #fff; }

.btn-primary {
  background: var(--gradient-brand);
  border-color: var(--color-teal);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(2,151,158,0.55);
}
.btn-primary:hover { background: var(--color-teal-dark); border-color: var(--color-teal-dark); transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(2,151,158,0.6); }

.btn-gold {
  background: var(--gradient-gold);
  border-color: var(--color-gold);
  color: var(--color-ink);
  box-shadow: 0 8px 20px -8px rgba(255,200,39,0.6);
}
.btn-gold:hover { background: var(--color-gold-dark); border-color: var(--color-gold-dark); transform: translateY(-2px); }

.btn-light {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-light:hover { background: #fff; color: var(--color-ink); }

.btn { transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  padding: 0.85rem 0;
  box-shadow: 0 1px 0 var(--color-line);
}
.site-header:not(.is-scrolled) {
  background: linear-gradient(180deg, rgba(6,16,18,0.6) 0%, rgba(6,16,18,0.28) 65%, rgba(6,16,18,0) 100%);
}
.logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  background: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  box-shadow: 0 8px 20px -10px rgba(2,20,22,0.4);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.logo-chip:hover { transform: translateY(-2px); }
.logo-mark { display: inline-flex; }
.site-header .logo-mark img { height: 26px; width: auto; display: block; vertical-align: middle; }
.site-header.is-scrolled .logo-chip { box-shadow: none; padding: 0.3rem 0.3rem 0.3rem 0; background: transparent; }

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: #fff;
  transition: color var(--dur) var(--ease), opacity 0.2s ease;
  opacity: 0.9;
}
.site-header.is-scrolled .nav-links a { color: var(--color-ink); }
.nav-links a:hover { opacity: 1; color: var(--color-gold); }
.site-header.is-scrolled .nav-links a:hover { color: var(--color-teal); }
.nav-links a { position: relative; }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -6px;
  height: 2px; background: var(--color-gold);
  transition: right 0.35s var(--ease);
}
.site-header.is-scrolled .nav-links a::after { background: var(--color-teal); }
.nav-links a:hover::after, .nav-links a.is-active::after { right: 0; }
.nav-links a.is-active { opacity: 1; }

.nav-cta {
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  padding: 0.6rem 1.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  transition: all var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-cta { border-color: var(--color-ink); color: var(--color-ink); }
.nav-cta:hover { background: #fff; color: var(--color-ink); }
.site-header.is-scrolled .nav-cta:hover { background: var(--color-ink); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px; height: 22px;
  position: relative;
  z-index: 200;
}
.nav-toggle span {
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: #fff;
  transition: all 0.35s var(--ease);
}
.site-header.is-scrolled .nav-toggle span,
.nav-open .nav-toggle span { background: var(--color-ink); }
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.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); }

/* Menú móvil: oculto y fuera de pantalla por defecto en CUALQUIER ancho,
   para que nunca aparezca como texto plano encima del header en desktop. */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.6rem;
  padding: var(--gutter);
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  visibility: hidden;
}
.nav-open .mobile-nav { transform: translateX(0); visibility: visible; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: clamp(6rem, 20vw, 8rem);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media .placeholder-block {
  position: absolute; inset: 0;
  height: 100%;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4,10,12,0.66) 0%, rgba(4,10,12,0.32) 20%, rgba(4,10,12,0.48) 45%, rgba(4,10,12,0.86) 75%, rgba(4,10,12,0.95) 100%);
  z-index: -1;
}
.hero-content {
  padding: clamp(2.5rem, 8vw, 4rem) 0 clamp(3.4rem, 9vw, 6rem);
  width: 100%;
  background: linear-gradient(180deg, rgba(4,10,12,0) 0%, rgba(4,10,12,0.5) 30%, rgba(4,10,12,0.82) 100%);
}
.hero-content .container { max-width: var(--max-width); }
.hero-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  color: #fff;
  opacity: 1;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6), 0 1px 3px rgba(0,0,0,0.5);
}
.hero h1 {
  font-size: clamp(2.3rem, 6.5vw, 5.2rem);
  max-width: 16ch;
  color: #fff;
  margin-bottom: 0.6rem;
  text-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.hero-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  color: var(--color-gold);
  max-width: 32ch;
  margin-bottom: 1.2rem;
}
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  max-width: 46ch;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2.4rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats {
  display: flex;
  gap: clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(255,255,255,0.25);
  padding-top: 1.8rem;
  flex-wrap: wrap;
}
.hero-stats .stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  display: block;
  color: var(--color-gold);
}
.hero-stats .stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.scroll-cue {
  position: absolute;
  right: var(--gutter);
  bottom: 2.4rem;
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.scroll-cue::after {
  content: "";
  width: 1px; height: 46px;
  background: rgba(255,255,255,0.6);
  display: block;
  animation: scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Placeholder de imagen (para reemplazar por fotografía real) ---------- */
.placeholder-block {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 220px;
  background:
    linear-gradient(135deg, rgba(169,129,79,0.14) 0%, rgba(20,23,26,0.06) 100%),
    repeating-linear-gradient(45deg, rgba(20,23,26,0.035) 0, rgba(20,23,26,0.035) 1px, transparent 1px, transparent 14px);
  background-color: #ece8e2;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}
.placeholder-block::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(20,23,26,0.08);
}
.placeholder-label {
  position: relative;
  margin: 1rem;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  background: rgba(255,255,255,0.75);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--color-line);
}
.hero-media .placeholder-label,
.dark-tile .placeholder-label { background: rgba(20,23,26,0.55); color: #fff; border-color: rgba(255,255,255,0.25); }

/* ---------- Fotografía real (hero, tarjetas, galería) ---------- */
.hero-media img,
.hero-media video,
.media-cover {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.hero-media img {
  position: absolute; inset: 0;
  transform: scale(1.06);
  animation: heroZoom 16s ease-out forwards;
}
.hero-media video {
  position: absolute; inset: 0;
}
@keyframes heroZoom { from { transform: scale(1.1); } to { transform: scale(1); } }

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.9s var(--ease);
}
.media-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
.media-frame:hover img { transform: scale(1.07); }
.media-frame::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(2,20,22,0.06);
  pointer-events: none;
}

.media-tag {
  position: absolute; top: 0.9rem; left: 0.9rem;
  font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: rgba(2,20,22,0.55);
  padding: 0.35rem 0.7rem; backdrop-filter: blur(4px);
  z-index: 2;
}

/* ---------- Lightbox de galería ---------- */
.lightbox-trigger { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(6,16,17,0.92);
  display: flex; align-items: center; justify-content: center;
  padding: 3rem clamp(1rem, 5vw, 4rem);
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 100%; max-height: 86vh;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  animation: lightboxIn 0.4s var(--ease);
}
@keyframes lightboxIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 0.2s ease;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--color-teal); border-color: var(--color-teal); }
.lightbox-close { top: 1.6rem; right: 1.6rem; }
.lightbox-prev { left: clamp(0.6rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: clamp(0.6rem, 3vw, 2rem); top: 50%; transform: translateY(-50%); }

/* ---------- Mascota asistente fija (guía al cliente hacia contacto) ---------- */
@keyframes mascotBob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.mascot-assistant {
  position: fixed;
  right: 1.4rem;
  bottom: 6.6rem;
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.mascot-assistant img {
  width: 62px;
  display: block;
  filter: drop-shadow(0 12px 18px rgba(0,0,0,0.3));
  animation: mascotBob 4.5s ease-in-out infinite;
  transition: transform 0.3s ease;
}
.mascot-assistant:hover img { transform: scale(1.08); }
.mascot-tip {
  background: #fff;
  color: var(--color-ink);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 10px 22px -10px rgba(2,20,22,0.4);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.mascot-assistant:hover .mascot-tip { opacity: 1; transform: translateY(0); }
@media (max-width: 600px) {
  .mascot-assistant { right: 1rem; bottom: 5.6rem; }
  .mascot-assistant img { width: 50px; }
  .mascot-tip { display: none; }
}

.mascot-bubble {
  position: relative;
  display: flex; align-items: flex-end; gap: 1.2rem;
}
.mascot-bubble img { width: clamp(80px, 10vw, 120px); flex-shrink: 0; }
.mascot-bubble .bubble-text {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 18px 18px 18px 4px;
  padding: 1rem 1.3rem;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  box-shadow: 0 12px 24px -12px rgba(2,20,22,0.25);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1.is-visible { transition-delay: 0.1s; }
.reveal-delay-2.is-visible { transition-delay: 0.2s; }
.reveal-delay-3.is-visible { transition-delay: 0.3s; }

/* ---------- Diferenciadores (pilares) ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.pillar {
  background: var(--color-bg);
  padding: clamp(2rem, 4vw, 3.2rem);
  position: relative;
  transition: background var(--dur) var(--ease);
}
.pillar:hover { background: var(--color-teal-light); }
.pillar-index {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
}
.pillar:nth-child(2) .pillar-index { background: var(--gradient-gold); color: var(--color-ink); }
.pillar:nth-child(3) .pillar-index { background: var(--color-ink); }
.pillar h3 { font-size: 1.5rem; margin-bottom: 0.9rem; }
.pillar p { font-size: 0.96rem; }

/* ---------- Servicios ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}
@media (max-width: 1180px) and (min-width: 1025px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
.service-card {
  position: relative;
  padding: clamp(2rem, 3.5vw, 3rem);
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.service-card { overflow: hidden; }
.service-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.service-card:nth-child(2)::before { background: var(--gradient-gold); }
.service-card:nth-child(3)::before { background: var(--color-ink); }
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { border-color: var(--color-teal); transform: translateY(-6px); box-shadow: 0 24px 40px -24px rgba(2,20,22,0.25); }
.service-card .service-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-mute);
  display: block;
  margin-bottom: 1.4rem;
}
.service-card h3 { font-size: 1.7rem; }
.service-list {
  list-style: none;
  padding: 0; margin: 1.4rem 0 0;
  border-top: 1px solid var(--color-line);
}
.service-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  display: flex;
  gap: 0.7rem;
}
.service-list li::before { content: "—"; color: var(--color-accent); }

/* ---------- Proyectos ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.6rem);
}
.project-card { display: block; }
.project-media { aspect-ratio: 4/5; margin-bottom: 1rem; }
.project-card h3 {
  font-size: 1.35rem; margin-bottom: 0.25rem;
  transition: color 0.25s ease;
}
.project-card:hover h3 { color: var(--color-teal-dark); }
.project-meta {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-mute);
}
.project-status {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--gradient-brand);
  padding: 0.28rem 0.7rem;
  margin-top: 0.6rem;
}

/* ---------- Tempo (preventa) / Atemporal (próximo lanzamiento) ---------- */
.launch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.launch-card {
  background: var(--color-bg);
  padding: clamp(1.4rem, 2.5vw, 1.8rem);
  border: 1px solid var(--color-line);
}
.launch-media {
  aspect-ratio: 4/3;
  margin-bottom: 1.2rem;
}
.launch-video { width: 100%; height: 100%; object-fit: cover; display: block; }
.launch-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  margin-bottom: 0.8rem;
  color: #fff;
}
.launch-tag-live { background: var(--gradient-brand); }
.launch-tag-soon { background: var(--gradient-gold); color: var(--color-ink); }
.launch-card h3 { font-size: 1.6rem; }

/* ---------- Construye con nosotros ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split-media { aspect-ratio: 3/4; }
.split.reverse .split-media { order: 2; }
.steps-list { list-style: none; margin: 2rem 0; padding: 0; counter-reset: step; }
.steps-list li {
  counter-increment: step;
  position: relative;
  padding: 1.1rem 0 1.1rem 3rem;
  border-bottom: 1px solid var(--color-line);
}
.steps-list li:first-child { border-top: 1px solid var(--color-line); }
.steps-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 1.1rem;
  font-family: var(--font-display);
  color: var(--color-accent);
  font-size: 1.1rem;
}
.steps-list strong { display: block; color: var(--color-ink); font-size: 1rem; margin-bottom: 0.2rem; }
.steps-list span { color: var(--color-ink-soft); font-size: 0.92rem; }

/* ---------- Modelo colaborativo ---------- */
.model-panel {
  background: radial-gradient(circle at 15% 15%, #0c3436 0%, var(--color-ink) 55%);
  color: #fff;
  padding: clamp(2.5rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.model-panel::after {
  content: "";
  position: absolute; top: -30%; right: -10%;
  width: 420px; height: 420px; border-radius: 50%;
  background: var(--gradient-gold);
  opacity: 0.12; filter: blur(10px);
}
.model-panel-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
  position: relative;
}
.model-panel-media {
  aspect-ratio: 3/4;
  align-self: stretch;
}
.model-panel-media .media-tag { bottom: 0.9rem; top: auto; }
@media (max-width: 1024px) { .model-panel-layout { grid-template-columns: 1fr; } .model-panel-media { aspect-ratio: 16/9; } }
.model-panel .section-head h2, .model-panel .section-head p { color: #fff; }
.model-panel .section-head p { color: rgba(255,255,255,0.78); }
.model-panel .eyebrow { color: var(--color-gold); }
.model-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 1rem;
  position: relative;
}
@media (max-width: 1024px) { .model-grid { grid-template-columns: repeat(2, 1fr); } }
.model-item {
  border-top: 2px solid var(--color-gold);
  padding-top: 1.4rem;
  transition: transform 0.4s var(--ease);
}
.model-item:hover { transform: translateY(-6px); }
.model-item .model-num { font-family: var(--font-display); font-size: 1.8rem; color: var(--color-gold); }
.model-item h4 { color: #fff; font-size: 1.15rem; margin: 0.6rem 0 0.5rem; }
.model-item p { color: rgba(255,255,255,0.72); font-size: 0.93rem; }

/* ---------- Galería ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 0.6rem;
}
.gallery-item { grid-column: span 1; grid-row: span 1; position: relative; overflow: hidden; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(2,20,22,0.65) 100%);
  opacity: 0; transition: opacity 0.4s ease;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item .placeholder-label { position: absolute; bottom: 0; left: 0; margin: 0.8rem; z-index: 2; }
.trio-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); grid-auto-rows: 260px; }
@media (max-width: 700px) { .trio-grid { grid-template-columns: 1fr; grid-auto-rows: 220px; } }

/* ---------- Testimonios ---------- */
.testimonials-grid {
  column-count: 2;
  column-gap: clamp(1.5rem, 3vw, 2.5rem);
}
.testimonial-card {
  background: var(--color-bg-alt);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  border-left: 3px solid var(--color-teal);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  position: relative;
  break-inside: avoid;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.testimonial-card--lg { border-left-color: var(--color-gold); padding: clamp(2rem, 3.4vw, 2.8rem); }
.testimonial-card--sm { padding: clamp(1.5rem, 2.6vw, 2.1rem); }
.testimonial-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -28px rgba(2,20,22,0.35); }
.testimonial-card::before {
  content: "\201C";
  font-family: var(--font-display);
  font-size: 3.4rem;
  color: var(--color-teal);
  opacity: 0.18;
  position: absolute; top: 0.6rem; right: 1.2rem;
  line-height: 1;
}
.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-ink);
  font-style: italic;
  margin-bottom: 1.4rem;
  position: relative;
}
.testimonial-card--sm .testimonial-quote { font-size: 1.02rem; }
.testimonial-author { display: flex; align-items: center; gap: 0.8rem; }
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  flex-shrink: 0;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.testimonial-card--lg .testimonial-avatar { background: var(--gradient-gold); color: var(--color-ink); }
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-name { font-size: 0.92rem; font-weight: 600; }
.testimonial-role { font-size: 0.78rem; color: var(--color-mute); }
.testimonial-project { font-size: 0.78rem; color: var(--color-accent-dark); font-weight: 600; }

/* ---------- Proceso constructivo ---------- */
.process-timeline { position: relative; }
.process-step {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(1.6rem, 3vw, 2.4rem) 0;
  border-bottom: 1px solid var(--color-line);
}
.process-step:first-child { border-top: 1px solid var(--color-line); }
.process-step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--color-line);
}
.process-step h3 { font-size: 1.3rem; margin-bottom: 0.4rem; }
.process-media { aspect-ratio: 16/10; }

.process-video-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--color-line);
}
.process-video-media { aspect-ratio: 9/16; max-height: 480px; margin: 0 auto; }
.process-video-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.process-video-panel h3 { font-size: 1.6rem; }
@media (max-width: 860px) { .process-video-panel { grid-template-columns: 1fr; } .process-video-media { max-height: 420px; } }

/* ---------- Sobre nosotros ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
  margin-top: 2rem;
  border-top: 1px solid var(--color-line);
  padding-top: 1.8rem;
}
.about-stats .stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
}
.about-stats .stat-label { font-size: 0.8rem; color: var(--color-ink-soft); }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
    grid-template-columns: 1fr 1fr minmax(240px, 300px);
  gap: clamp(2rem, 5vw, 5rem);
}
.contact-media { border-radius: 20px; overflow: hidden; background: var(--color-bg-alt); align-self: start; box-shadow: 0 10px 30px rgba(2,20,22,0.14); }
.contact-media video { width: 100%; display: block; }
.contact-media p.contact-media-label { font-size: 0.85rem; color: var(--color-ink-soft); margin: 0.6rem 0 0; text-align: center; }
.contact-info h3 { font-size: 1.2rem; margin-top: 2rem; }
.contact-info h3:first-child { margin-top: 0; }
.contact-info a.contact-link {
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.contact-info a.contact-link:hover { border-color: var(--color-teal); color: var(--color-teal-dark); }
.social-row { display: flex; gap: 0.85rem; margin-top: 1.6rem; }
.social-row a {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 14px -6px rgba(2,20,22,0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.social-row a img { width: 100%; height: 100%; object-fit: contain; display: block; }
.social-row a:hover { transform: translateY(-3px); box-shadow: 0 8px 18px -6px rgba(2,20,22,0.45); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field { margin-bottom: 1.2rem; }
.field label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-mute);
  margin-bottom: 0.5rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  padding: 0.7rem 0.1rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--color-ink);
  transition: border-color 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.field textarea { resize: vertical; min-height: 100px; }
.form-status { font-size: 0.85rem; margin-top: 1rem; min-height: 1.2em; font-weight: 600; }
.form-status.is-success { color: var(--color-teal-dark); }
.form-status.is-error { color: #c0392b; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.75);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.footer-top .logo-mark img { height: 28px; display: block; }
.footer-top .logo-chip { margin-bottom: 1.2rem; }
.footer-top p { color: rgba(255,255,255,0.6); font-size: 0.9rem; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1.1rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a { font-size: 0.92rem; color: rgba(255,255,255,0.85); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--color-gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.6rem;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 1.6rem;
  bottom: 1.6rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 90;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 24px -8px rgba(2,151,158,0.5);
}
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
  position: fixed;
  left: 1.6rem;
  bottom: 1.6rem;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  z-index: 90;
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .services-grid,
  .about-grid,
  .split,
  .launch-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .testimonials-grid { column-count: 1; }
  .split .split-media { order: -1 !important; }
  .about-grid .split-media { order: -1; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-flow: dense; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .launch-card .btn { width: 100%; justify-content: center; white-space: normal; text-align: center; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }

  .mobile-nav a {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-ink);
  }
  .mobile-nav .nav-cta {
    display: inline-flex;
    margin-top: 1rem;
    border-color: var(--color-ink);
    color: var(--color-ink);
  }

  .pillars { grid-template-columns: 1fr; }
  .model-grid { grid-template-columns: 1fr; }
  .testimonials-track { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 1fr; }
  .process-step-num { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; grid-auto-flow: dense; }
  .footer-top { grid-template-columns: 1fr; }
  .scroll-cue { display: none; }
  .btn { white-space: normal; }
  .launch-card .btn { width: 100%; justify-content: center; text-align: center; }

  /* Hero mobile-first: pila vertical clara, sin overlaps, CTAs a ancho completo */
  .hero { padding-top: 5.5rem; align-items: flex-end; }
  .hero-content { padding-bottom: 3rem; }
  .hero-eyebrow { font-size: 0.68rem; letter-spacing: 0.2em; margin-bottom: 1rem; }
  .hero h1 { max-width: 100%; }
  .hero-tagline { max-width: 100%; }
  .hero-sub { margin-bottom: 1.8rem; }
  .hero-actions { flex-direction: column; gap: 0.8rem; margin-bottom: 2.2rem; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 1.2rem; justify-content: space-between; }
  .hero-stats > div { flex: 1 1 30%; }
  .hero-stats .stat-num { font-size: 1.5rem; }
  .hero-stats .stat-label { font-size: 0.62rem; }
}

@media (max-width: 380px) {
  .hero-stats > div:nth-child(3) { flex-basis: 100%; }
}