/* =====================
   VARIABLES & RESET
   ===================== */
:root {
  --orange: #e94825;
  --dark: #1A1A1A;
  --gray-mid: #808080;
  --white: #FFFFFF;
  --gray-light: #F4F4F4;
  --gray-border: #E0E0E0;
  --green-wa: #25D366;
  --error: #dc2626;
  --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 2px;
  --max-w: 1280px;
  --nav-h: 72px;
  --section-py: clamp(4rem, 8vw, 8rem);
  --px: clamp(1.25rem, 5vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* =====================
   TYPOGRAPHY
   ===================== */
h1, h2, h3, h4 {
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(2.75rem, 9vw, 7.5rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
p { line-height: 1.7; color: var(--gray-mid); }
strong { color: var(--dark); font-weight: 700; }

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

/* =====================
   BUTTONS
   ===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--orange);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary:hover {
  background: #ce3e1e;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 81, 39, 0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.btn-large { font-size: 1.125rem; padding: 1.25rem 2.5rem; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--dark);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  border: 2px solid var(--dark);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer;
  letter-spacing: -0.01em;
  white-space: nowrap;
  font-family: inherit;
}
.btn-outline:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-outline:focus-visible { outline: 3px solid var(--dark); outline-offset: 3px; }
.btn-outline--light { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn-outline--light:hover { background: var(--white); color: var(--dark); border-color: var(--white); }

/* =====================
   COMMON SECTION
   ===================== */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}
.section-header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-header h2 { margin-bottom: 1rem; }
.section-subtitle { font-size: 1.0625rem; max-width: 52ch; }

/* =====================
   SCROLL ANIMATIONS
   ===================== */
[data-fade] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-fade].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-fade] { opacity: 1; transform: none; transition: none; }
}

/* =====================
   NAVBAR
   ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: var(--dark);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--white);
}
.nav-logo-img {
  height: 52px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}
.nav-menu { display: flex; align-items: center; gap: 2rem; }
.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: -0.01em;
  transition: color var(--transition);
  position: relative;
  padding: 0.25rem 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta {
  background: var(--orange);
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  letter-spacing: -0.01em;
}
.nav-cta:hover { background: #ce3e1e; transform: translateY(-1px); }
.nav-cta:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  min-height: 100dvh;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) var(--px) 4rem;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--orange);
}
.hero-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}
.hero-content { padding-top: 2rem; }
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.5rem;
}
.hero-title {
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.05;
}
.hero-title .accent { color: var(--orange); }
.hero-syne { font-family: "Syne", sans-serif; font-optical-sizing: auto; font-weight: 400; }

/* Hero subtitle keyword treatment */
.hero-subtitle {
  font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
  color: rgba(255,255,255,0.55);
  margin-bottom: 2.5rem;
  max-width: 52ch;
  line-height: 1.8;
}
.subtitle-keywords { display: block; margin-top: 0.25rem; }
.kw-muted {
  color: rgba(255,255,255,0.35);
  font-weight: 300;
  font-style: italic;
}
.kw-mid {
  color: rgba(255,255,255,0.65);
  font-weight: 400;
}
.kw-bold {
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-badges {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 4rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.badge { display: flex; flex-direction: column; }
.badge-num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  display: inline-block; /* necesario para que min-width funcione */
}
.badge-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* =====================
   CÓMO TRABAJAMOS
   ===================== */
.como-trabajamos { padding: var(--section-py) 0; background: var(--white); }
.como-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}
.como-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  border: 1px solid var(--gray-border);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  /* solo box-shadow aquí — transform lo maneja [data-slide] */
  transition: box-shadow var(--transition);
}
.como-icon { color: var(--orange); }
.como-card > p strong { color: var(--orange); font-weight: 700; }
.como-icon-img { width: 40px; height: 40px; object-fit: contain; display: block; }
.como-card h3 {
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--dark);
}
.como-card > p {
  font-size: 0.875rem;
  color: var(--gray-mid);
  line-height: 1.6;
  flex: 1;
  margin: 0;
}
.como-card--final {
  border-top: 3px solid var(--orange);
}

/* Animación apilado → despliegue */
[data-slide] {
  opacity: 0;
  /* cada card empieza desplazada a la posición de la card 0 */
  transform: translateX(calc(var(--i, 0) * -100% - var(--i, 0) * 1.25rem));
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.4s ease;
}
/* .is-visible: mayor especificidad → gana sobre [data-slide] */
[data-slide].is-visible {
  opacity: 1;
  transform: translateX(0);
  /* después del slide, transición rápida para hover */
  transition: transform var(--transition), opacity 0.3s ease,
              box-shadow var(--transition);
}
[data-slide].is-visible:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
/* Reduced motion: sin slide horizontal, solo fade rápido */
@media (prefers-reduced-motion: reduce) {
  [data-slide] {
    opacity: 0;
    transform: none;
    transition: opacity 0.3s ease;
  }
  [data-slide].is-visible {
    opacity: 1;
    transform: none;
    transition: opacity 0.3s ease;
  }
  [data-slide].is-visible:hover { transform: none; box-shadow: none; }
}

/* =====================
   SERVICIOS
   ===================== */
.servicios { padding: var(--section-py) 0; background: var(--gray-light); }
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.servicio-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.servicio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.servicio-card--accent { background: var(--dark); border-color: var(--dark); }
.servicio-card--accent h3,
.servicio-card--accent strong { color: var(--white); }
.servicio-card--accent p,
.servicio-card--accent .feature-list li { color: rgba(255,255,255,0.55); }
.servicio-card--accent .card-link { color: var(--orange); }
.servicio-card--accent .servicio-icon { color: var(--orange); }
.servicio-icon { color: var(--orange); margin-bottom: 1.5rem; }
.servicio-icon-img { width: 48px; height: 48px; object-fit: contain; display: block; }
.servicio-card h3 { margin-bottom: 0.875rem; }
.servicio-card > p { font-size: 0.9375rem; margin-bottom: 1.5rem; }
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.feature-list li {
  font-size: 0.875rem;
  padding-left: 1.25rem;
  position: relative;
}
.feature-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 900;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.01em;
  transition: gap var(--transition);
}
.card-link:hover { gap: 0.75rem; }
.card-link:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; border-radius: 1px; }

/* =====================
   PROYECTOS HOME
   ===================== */
.proyectos-home { padding: var(--section-py) 0; background: var(--white); }
.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-border);
  margin-bottom: 3rem;
}
.proyecto-card { background: var(--white); }
.proyecto-img {
  aspect-ratio: 3 / 4;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.proyecto-img:hover .proyecto-overlay { opacity: 1; transform: translateY(0); }
.proyecto-img-watermark {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: rgba(255,255,255,0.04);
  user-select: none;
  pointer-events: none;
  z-index: 0;
}
.proyecto-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.3) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 1;
}
.proyecto-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.5rem;
}
.proyecto-overlay h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 0.25rem; }
.proyecto-overlay > p { color: rgba(255,255,255,0.6); font-size: 0.875rem; margin-bottom: 1.25rem; }
.proyecto-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  transition: gap var(--transition);
}
.proyecto-link:hover { gap: 0.75rem; }
.ver-todos { text-align: center; }

/* Instagram embeds en proyectos */
.proyectos-grid--ig {
  background: var(--gray-light);
  gap: 1.5rem;
  padding: 0 var(--px);
}
.ig-wrap {
  display: flex;
  align-items: flex-start;
}
.ig-wrap .instagram-media {
  max-width: 100% !important;
  min-width: 0 !important;
  width: 100% !important;
  margin: 0 !important;
  border-radius: var(--radius) !important;
}

/* =====================
   EQUIPO
   ===================== */
.equipo { padding: var(--section-py) 0; background: var(--gray-light); }
.equipo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.equipo-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.equipo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.equipo-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.equipo-card h3 { font-size: 1.125rem; margin-bottom: 0.25rem; }
.equipo-rol {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.875rem;
}
.equipo-card p { font-size: 0.875rem; }

/* =====================
   CTA FINAL
   ===================== */
.cta-final {
  padding: var(--section-py) 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.cta-content { text-align: center; position: relative; z-index: 1; }
.cta-content h2 { color: var(--white); margin-bottom: 1rem; }
.cta-content > p {
  color: rgba(255,255,255,0.55);
  font-size: 1.125rem;
  margin: 0 auto 2.5rem;
  max-width: 40ch;
}

/* =====================
   FOOTER
   ===================== */
.footer {
  background: #111111;
  padding: 4rem 0 2rem;
  color: var(--white);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { font-size: 1.25rem; display: block; margin-bottom: 1rem; }
.footer-logo-img {
  height: 56px;
  width: auto;
  display: block;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.4); }
.footer-nav h4, .footer-contact h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.25rem;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-nav a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--white); }
.footer-contact { display: flex; flex-direction: column; }
.footer-social-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
  margin-bottom: 0.875rem;
  cursor: pointer;
}
.footer-social-link:hover { color: var(--white); }
.footer-social-link--wa:hover { color: var(--green-wa); }
.footer-social-link--ig:hover { color: var(--orange); }
.footer-bottom { text-align: center; }
.footer-bottom p { font-size: 0.8125rem; color: rgba(255,255,255,0.2); }
.footer-credit { color: rgba(255,255,255,0.35); text-decoration: none; transition: color var(--transition); }
.footer-credit:hover { color: var(--white); }

/* =====================
   PAGE LOADER
   ===================== */
#loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.45s ease;
}
#loader.loader-out {
  opacity: 0;
  pointer-events: none;
}

/* Contenedor fijo al ancho del logo completo a 120px de alto
   fehusalogoydesc.svg viewBox 188.75×70.68 → a 120px alto: ~320px ancho
   Offset rombo: H × 0.835 = 120 × 0.835 ≈ 100px                        */
.loader-content {
  position: relative;
  width: 320px;
  height: 120px;
}

/* Rombo solo:
   delay 0.15s  |  duration 1.5s
   0–7%   (100ms): fade in, quieto centrado
   7–27%  (300ms): hold centrado
   27–80% (800ms): slide a posición final
   80–100%(300ms): fade out → cruce con logo completo           */
.loader-diamond {
  --diamond-offset: 100px; /* Override por breakpoint */
  position: absolute;
  top: 0; left: 0;
  height: 120px;
  width: auto;
  aspect-ratio: 70.85 / 70.68; /* reserva ancho antes del decode SVG */
  filter: brightness(0) invert(1);
  opacity: 0; /* arranca invisible hasta que JS dispara la animación */
}
#loader.loader-ready .loader-diamond {
  animation: loaderDiamond 1.5s ease 0.15s both;
}
@keyframes loaderDiamond {
  0%  { opacity: 0; transform: translateX(var(--diamond-offset)); }
  7%  { opacity: 1; transform: translateX(var(--diamond-offset)); }
  27% { opacity: 1; transform: translateX(var(--diamond-offset)); }
  80% { opacity: 1; transform: translateX(0);                     }
  100%{ opacity: 0; transform: translateX(0);                     }
}

/* Logo completo: fade-in cuando el slide termina (0.15 + 1.5×0.80 = 1.35s)
   Dura 0.35s → visible a los 1.7s
   Hold 300ms → setTimeout en JS a 2100ms                      */
.loader-full {
  position: absolute;
  top: 0; left: 0;
  height: 120px;
  width: auto;
  aspect-ratio: 188.75 / 70.68; /* reserva ancho antes del decode SVG */
  filter: brightness(0) invert(1);
  opacity: 0;
}
#loader.loader-ready .loader-full {
  animation: loaderFull 0.35s ease 1.35s forwards;
}
@keyframes loaderFull {
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  #loader.loader-ready .loader-diamond { animation: none; opacity: 0; }
  #loader.loader-ready .loader-full    { animation: loaderFull 0.3s ease 0.1s forwards; }
}

/* (Loader breakpoints viven en la sección RESPONSIVE más abajo) */

/* =====================
   WHATSAPP FLOAT
   ===================== */
.wa-float {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--green-wa);
  color: var(--white);
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  z-index: 99;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.wa-float svg { flex-shrink: 0; }
.wa-float span {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.01em;
}
.wa-float:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.55);
}
.wa-float:focus-visible { outline: 3px solid var(--green-wa); outline-offset: 4px; }
.wa-float.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.9);
}

/* =====================
   PAGE HERO (interior)
   ===================== */
.page-hero {
  background: var(--dark);
  padding: calc(var(--nav-h) + 4rem) var(--px) 5rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--orange);
}
.page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-hero h1 { color: var(--white); margin-top: 0.5rem; margin-bottom: 1rem; }
.page-hero > .page-hero-inner > p {
  color: rgba(255,255,255,0.6);
  font-size: 1.125rem;
  max-width: 55ch;
}

/* =====================
   PROYECTOS PAGE
   ===================== */
.proyectos-section { padding: var(--section-py) 0; background: var(--white); }
.proyecto-detalle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: 5rem 0;
  border-bottom: 1px solid var(--gray-border);
}
.proyecto-detalle:first-child { padding-top: 0; }
.proyecto-detalle:last-child { border-bottom: none; }
.proyecto-detalle--reverse .proyecto-visual { order: 2; }
.proyecto-detalle--reverse .proyecto-info { order: 1; }
.proyecto-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.proyecto-visual-label {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: rgba(255,255,255,0.05);
  user-select: none;
  pointer-events: none;
}
.proyecto-info .section-tag { margin-bottom: 0.5rem; }
.proyecto-info h2 { font-size: clamp(1.75rem, 4vw, 3rem); margin-bottom: 1rem; }
.proyecto-info > p { font-size: 1rem; margin-bottom: 2rem; }
.ficha-tecnica {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--gray-light);
  border-radius: var(--radius);
  border-left: 3px solid var(--orange);
}
.ficha-item { display: flex; flex-direction: column; }
.ficha-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.2rem;
}
.ficha-value { font-size: 1rem; font-weight: 700; color: var(--dark); letter-spacing: -0.02em; }

/* =====================
   CRÉDITOS PAGE
   ===================== */
.creditos-section { padding: var(--section-py) 0; background: var(--white); }
.creditos-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}
.creditos-intro h2 { margin-bottom: 1rem; }
.creditos-intro > div > p { font-size: 1.0625rem; margin-bottom: 1.5rem; }
.etapas { display: flex; flex-direction: column; }
.etapa {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 2rem;
  position: relative;
}
.etapa:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px; top: 40px; bottom: 0;
  width: 2px;
  background: var(--gray-border);
}
.etapa-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.875rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  min-width: 40px;
}
.etapa-content h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.etapa-content p { font-size: 0.9375rem; }
.creditos-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.credito-feature {
  padding: 2rem;
  background: var(--gray-light);
  border-radius: var(--radius);
  border-top: 3px solid var(--orange);
}
.credito-feature h3 { font-size: 1.125rem; margin-bottom: 0.75rem; }
.credito-feature p { font-size: 0.9375rem; }
.creditos-cta {
  padding: var(--section-py) 0;
  background: var(--gray-light);
  text-align: center;
}
.creditos-cta h2 { margin-bottom: 1rem; }
.creditos-cta p { font-size: 1.0625rem; margin: 0 auto 2rem; max-width: 50ch; }

/* =====================
   CONTACTO PAGE
   ===================== */
.contacto-section { padding: var(--section-py) 0; background: var(--white); }
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.contacto-info h2 { margin-bottom: 1rem; }
.contacto-info > p { font-size: 1.0625rem; margin-bottom: 2.5rem; }
.contacto-details { display: flex; flex-direction: column; gap: 1.25rem; }
.contacto-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark);
}
.contacto-detail a { color: var(--dark); transition: color var(--transition); }
.contacto-detail a:hover { color: var(--orange); }
.detail-icon {
  width: 44px; height: 44px;
  background: var(--gray-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
}

/* Form */
.contacto-form {
  background: var(--gray-light);
  padding: 2.5rem;
  border-radius: var(--radius);
}
.form-title { font-size: 1.5rem; margin-bottom: 2rem; }
.form-group { margin-bottom: 1.5rem; }
.form-radio-group { display: flex; gap: 1rem; margin-top: 0.5rem; }
.form-radio {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--dark);
  cursor: pointer;
}
.form-radio input[type="radio"] {
  accent-color: var(--orange);
  width: 18px;
  height: 18px;
  cursor: pointer;
}
.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dark);
  margin-bottom: 0.5rem;
}
.required { color: var(--orange); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--white);
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  color: var(--dark);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  min-height: 48px;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(230,81,39,0.12);
}
.form-input.is-error, .form-select.is-error, .form-textarea.is-error {
  border-color: var(--error);
}
.form-error-msg {
  display: none;
  font-size: 0.8125rem;
  color: var(--error);
  margin-top: 0.375rem;
  font-weight: 500;
}
.form-error-msg.show { display: block; }
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23808080' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; justify-content: center; margin-top: 0.5rem; }

/* =====================
   RESPONSIVE
   ===================== */

/* ── Tablets large (≤1024px) ─────────────────────────────── */
@media (max-width: 1024px) {
  .como-grid       { grid-template-columns: repeat(3, 1fr); }
  .servicios-grid  { grid-template-columns: 1fr 1fr; }
  .equipo-grid     { grid-template-columns: 1fr 1fr; }
  .footer-grid     { grid-template-columns: 1fr 1fr; }
  .footer-brand    { grid-column: 1 / -1; }
  .creditos-features { grid-template-columns: 1fr 1fr; }

  /* Cuando la grilla deja de ser 5-col, el slide horizontal con
     calc(--i * -100%) pierde sentido (cards de fila 2 se van off-screen).
     Override: animación vertical fade-up por card.                       */
  [data-slide] {
    transform: translateY(24px);
  }
  [data-slide].is-visible { transform: translateY(0); }
}

/* ── Tablets / mobile (≤768px) ───────────────────────────── */
@media (max-width: 768px) {
  /* Navbar mobile */
  .nav-toggle      { display: flex; }
  .nav-logo-img    { height: 44px; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }
  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link  { font-size: 1rem; padding: 0.5rem 0; }
  .nav-cta   { align-self: flex-start; padding: 0.75rem 1.5rem; font-size: 1rem; }

  /* Hero */
  .hero            { padding: calc(var(--nav-h) + 2rem) var(--px) 3rem; }
  .hero-content    { padding-top: 1rem; }
  .hero-subtitle   { margin-bottom: 2rem; }
  .hero-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem 1rem;
    padding-top: 2.5rem;
  }

  /* Page hero interno */
  .page-hero       { padding: calc(var(--nav-h) + 2.5rem) var(--px) 3.5rem; }

  /* Grids principales */
  .como-grid       { grid-template-columns: repeat(2, 1fr); }
  .servicios-grid  { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .servicio-card   { padding: 1.75rem; }
  .proyectos-grid  { grid-template-columns: 1fr; }
  .proyecto-img    { aspect-ratio: 4 / 3; }
  .proyecto-overlay { opacity: 1; transform: none; }
  .equipo-grid     { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer-grid     { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand    { grid-column: auto; }

  /* Páginas internas */
  .proyecto-detalle { grid-template-columns: 1fr; padding: 3rem 0; }
  .proyecto-detalle--reverse .proyecto-visual,
  .proyecto-detalle--reverse .proyecto-info { order: unset; }
  .creditos-intro  { grid-template-columns: 1fr; }
  .creditos-features { grid-template-columns: 1fr; }
  .contacto-grid   { grid-template-columns: 1fr; }
  .contacto-form   { padding: 1.75rem 1.5rem; }

  /* Ficha técnica más compacta */
  .ficha-tecnica   { padding: 1.25rem; gap: 0.75rem; }
}

/* ── Mobile (≤480px) ─────────────────────────────────────── */
@media (max-width: 480px) {
  .nav-logo-img    { height: 38px; }

  /* Hero badges: 2 cols */
  .hero-badges     { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .badge-num       { font-size: clamp(1.75rem, 7vw, 2.25rem); }
  .badge-label     { font-size: 0.6875rem; }

  /* Grids: 1 col */
  .servicios-grid  { grid-template-columns: 1fr; gap: 1rem; }
  .servicio-card   { padding: 1.5rem; }
  .como-grid       { grid-template-columns: 1fr; gap: 1rem; }
  .como-card       { padding: 1.5rem 1.25rem; }
  .equipo-grid     { grid-template-columns: 1fr; }
  .ficha-tecnica   { grid-template-columns: 1fr 1fr; }

  /* Form */
  .contacto-form   { padding: 1.5rem 1.25rem; }
  .contacto-info > p { margin-bottom: 2rem; }
  .form-title      { font-size: 1.25rem; }

  /* WA float: círculo sin texto */
  .wa-float {
    bottom: 1.25rem; right: 1.25rem;
    width: 56px; height: 56px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
  .wa-float span   { display: none; }

  /* Loader: escala proporcional (offset = 0.835 × height) */
  .loader-content   { width: 214px; height: 80px; }
  .loader-diamond,
  .loader-full      { height: 80px; }
  .loader-diamond   { --diamond-offset: 67px; }
}

/* ── Very small (≤360px) ─────────────────────────────────── */
@media (max-width: 360px) {
  .hero-title      { font-size: clamp(2.25rem, 11vw, 3rem); }
  .hero-subtitle   { font-size: 0.875rem; }
  .hero-badges     { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .ficha-tecnica   { grid-template-columns: 1fr; }

  /* Loader aún más chico */
  .loader-content  { width: 180px; height: 67px; }
  .loader-diamond,
  .loader-full     { height: 67px; }
  .loader-diamond  { --diamond-offset: 56px; }
}