/* ============================================================================
   IADVANCE — Estilo premium minimalista (blanco + dorado)
   ============================================================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: #B8860B; color: #FFFFFF; }

:root {
  /* Paleta */
  --blanco: #FFFFFF;
  --blanco-off: #FAFAF7;
  --crema: #F7F4ED;
  --tinta: #0F0E0C;
  --tinta-soft: #1F1B14;
  --muted: #6B6457;
  --muted-soft: #9A9385;
  --line: rgba(15, 14, 12, 0.08);
  --line-strong: rgba(15, 14, 12, 0.18);

  /* Dorados */
  --oro: #B8860B;
  --oro-claro: #D4A93D;
  --oro-luminoso: #F0C547;
  --oro-oscuro: #8B5E0D;

  /* Tipografía */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.1, 0.25, 1);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-body);
  background: var(--blanco);
  color: var(--tinta);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

@media (max-width: 768px) {
  .container { padding: 0 1.5rem; }
}

/* ============== HEADER ============== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  z-index: 100;
  border-bottom: 0.5px solid var(--line);
  transition: transform 0.4s var(--ease);
}

header.hidden { transform: translateY(-100%); }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2.5rem;
  max-width: 1320px;
  margin: 0 auto;
}

.logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  transition: opacity 0.3s;
}

.logo:hover { opacity: 0.7; }

.logo-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  transition: transform 0.5s var(--ease);
  display: block;
}

.logo:hover .logo-mark { transform: rotate(-6deg) scale(1.05); }

.nav-links { display: flex; gap: 2rem; align-items: center; }

.nav-links > a {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}

.nav-links > a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--oro);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}

.nav-links > a:hover { color: var(--tinta); }
.nav-links > a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta {
  background: var(--tinta);
  color: var(--blanco) !important;
  padding: 10px 20px !important;
  border-radius: 100px;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s var(--ease);
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--oro);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.3);
}

.menu-toggle {
  display: none;
  background: none; border: none;
  font-size: 24px; cursor: pointer;
  color: var(--tinta);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--blanco);
    padding: 1rem 0;
    border-bottom: 0.5px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links > a { padding: 1rem 1.5rem; width: 100%; }
  .nav-links .nav-cta { margin: 0.5rem 1.5rem; text-align: center; }
  .menu-toggle { display: block; }
  .nav { padding: 1rem 1.5rem; }
}

/* ============== HERO ============== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 7rem 0 3rem;
    justify-content: flex-start;
  }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: var(--blanco-off);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 2.5rem;
}

.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--oro);
  border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(3rem, 11vw, 10rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  margin-bottom: 2rem;
  text-transform: lowercase;
  /* Padding lateral para que la cursiva no se corte */
  padding: 0.15em 0.2em 0.1em;
  overflow: visible;
}

.hero h1 .gold {
  /* Padding extra a la derecha porque la cursiva sobresale */
  padding-right: 0.15em;
  display: inline-block;
}

.hero h1 .gold {
  background: linear-gradient(135deg, var(--oro-luminoso) 0%, var(--oro-claro) 30%, var(--oro) 60%, var(--oro-oscuro) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  font-weight: 700;
}

.hero h1 .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.hero h1 .word.visible { opacity: 1; transform: translateY(0); }

.hero-bajada {
  max-width: 680px;
  margin: 0 auto 3rem;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--muted);
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s var(--ease) 1s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s var(--ease) 1.3s forwards;
}

/* Decoración hero: círculos dorados sutiles */
.hero-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--oro);
  opacity: 0.1;
  animation: rotate 80s linear infinite;
}

.hero-circle.c1 { width: 800px; height: 800px; top: -200px; left: -200px; }
.hero-circle.c2 { width: 600px; height: 600px; bottom: -200px; right: -100px; animation-direction: reverse; animation-duration: 100s; }
.hero-circle.c3 { width: 400px; height: 400px; top: 30%; right: 10%; animation-duration: 60s; }

@keyframes rotate { to { transform: rotate(360deg); } }

/* Gradiente sutil dorado de fondo */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 800px;
  background: radial-gradient(ellipse at center, rgba(212, 169, 61, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ============== BOTONES ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--tinta);
  color: var(--blanco);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--oro-claro), var(--oro));
  transform: translateY(100%);
  transition: transform 0.4s var(--ease);
  z-index: 0;
}

.btn-primary:hover::before { transform: translateY(0); }
.btn-primary > * { position: relative; z-index: 1; }
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(184, 134, 11, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--tinta);
  border: 1px solid var(--line-strong);
}

.btn-secondary:hover {
  border-color: var(--tinta);
  background: var(--tinta);
  color: var(--blanco);
}

.btn .arrow {
  transition: transform 0.4s var(--ease);
}

.btn:hover .arrow { transform: translateX(4px); }

/* ============== MARQUESINA (scroll horizontal sincronizado) ============== */
.marquesina-section {
  padding: 6rem 0 4rem;
  overflow: hidden;
  position: relative;
}

.marquesina-filas {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.marquesina-fila {
  display: flex;
  gap: 16px;
  will-change: transform;
  /* GPU acceleration */
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}

/* En mobile: animación CSS continua en lugar de scroll JS (mucho más fluido) */
@media (max-width: 768px) {
  .marquesina-fila {
    animation: marqueeMobile 40s linear infinite;
  }
  .marquesina-fila:nth-child(2) {
    animation: marqueeMobileReverse 45s linear infinite;
  }
  @keyframes marqueeMobile {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(-50%, 0, 0); }
  }
  @keyframes marqueeMobileReverse {
    from { transform: translate3d(-50%, 0, 0); }
    to { transform: translate3d(0, 0, 0); }
  }
}

.tile {
  flex-shrink: 0;
  width: 240px;
  height: 160px;
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--blanco-off);
  border: 1px solid var(--line);
  transition: all 0.4s var(--ease);
  /* GPU acceleration */
  transform: translate3d(0, 0, 0);
}

.tile:hover {
  transform: translate3d(0, -4px, 0);
  border-color: var(--oro);
  box-shadow: 0 12px 32px rgba(184, 134, 11, 0.15);
}

.tile.dark {
  background: var(--tinta);
  color: var(--blanco);
  border-color: transparent;
}

.tile.gold {
  background: linear-gradient(135deg, var(--oro-claro), var(--oro));
  color: var(--blanco);
  border-color: transparent;
}

.tile-icon {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--oro);
}

.tile.dark .tile-icon,
.tile.gold .tile-icon { color: var(--blanco); opacity: 0.9; }

.tile-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .tile { width: 200px; height: 140px; padding: 16px; }
  .tile-name { font-size: 0.95rem; }
}

/* ============== ESTADÍSTICAS ============== */
.estadisticas {
  padding: 8rem 0;
  background: var(--crema);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 25%;
  height: 50%; width: 1px;
  background: var(--line-strong);
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--oro-luminoso), var(--oro), var(--oro-oscuro));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-label {
  margin-top: 1rem;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem 0; }
  .stat-item:nth-child(2)::after { display: none; }
}

/* ============== SECCIONES BASE ============== */
section { padding: 8rem 0; position: relative; }

.section-head {
  text-align: center;
  margin-bottom: 5rem;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  color: var(--oro);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.035em;
  line-height: 1;
  text-transform: lowercase;
  padding: 0.1em 0.15em;
  overflow: visible;
}

.section-title .gold {
  background: linear-gradient(135deg, var(--oro-luminoso), var(--oro-claro), var(--oro), var(--oro-oscuro));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  padding-right: 0.12em;
  display: inline-block;
}

.section-intro {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* ============== SOBRE ============== */
.sobre {
  text-align: center;
  background: var(--blanco);
}

.sobre h2 {
  font-size: clamp(2.5rem, 7vw, 6rem);
  text-transform: lowercase;
  font-weight: 800;
  margin-bottom: 2.5rem;
  letter-spacing: -0.04em;
  line-height: 1;
  padding: 0.1em 0.15em;
  overflow: visible;
}

.sobre h2 .gold {
  background: linear-gradient(135deg, var(--oro-luminoso), var(--oro-claro), var(--oro), var(--oro-oscuro));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  padding-right: 0.12em;
  display: inline-block;
}

.sobre-texto {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.7;
  color: var(--tinta);
  font-weight: 400;
}

.sobre-texto span {
  opacity: 0.2;
  transition: opacity 0.2s linear;
}

/* ============== METODOLOGÍA ============== */
.metodologia {
  background: var(--crema);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metodologia-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.paso-card {
  background: var(--blanco);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all 0.4s var(--ease);
  position: relative;
}

.paso-card:hover {
  transform: translateY(-6px);
  border-color: var(--oro);
  box-shadow: 0 16px 40px rgba(184, 134, 11, 0.12);
}

.paso-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--oro-claro), var(--oro));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  margin-bottom: 0.5rem;
}

.paso-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--oro);
  opacity: 0.3;
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.paso-titulo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--tinta);
}

.paso-desc {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .metodologia-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .metodologia-grid { grid-template-columns: 1fr; }
}

/* ============== SERVICIOS ============== */
.servicios {
  background: var(--blanco);
}

.servicios-lista {
  max-width: 1100px;
  margin: 4rem auto 0;
}

.servicio-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 3rem;
  align-items: flex-start;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  transition: all 0.4s var(--ease);
  position: relative;
}

.servicio-row:last-child { border-bottom: 1px solid var(--line); }

.servicio-row::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(184, 134, 11, 0.04), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.servicio-row:hover::before { opacity: 1; }

.servicio-row:hover .servicio-num {
  background: linear-gradient(135deg, var(--oro-luminoso), var(--oro-oscuro));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.servicio-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  color: var(--oro-claro);
  line-height: 0.85;
  letter-spacing: -0.03em;
  transition: all 0.4s var(--ease);
  min-width: 140px;
}

.servicio-info {
  padding-top: 1rem;
}

.servicio-nombre {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  text-transform: lowercase;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.servicio-desc {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 640px;
  margin-bottom: 1.5rem;
}

.servicio-detalles {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
  max-width: 640px;
}

.servicio-detalles li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--tinta);
}

.servicio-detalles li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.6em;
  width: 8px; height: 8px;
  background: linear-gradient(135deg, var(--oro-claro), var(--oro));
  border-radius: 50%;
}

.servicio-arrow {
  align-self: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s var(--ease);
  flex-shrink: 0;
}

.servicio-row:hover .servicio-arrow {
  background: var(--tinta);
  border-color: var(--tinta);
  transform: rotate(-45deg);
}

.servicio-row:hover .servicio-arrow svg { color: var(--blanco); }

@media (max-width: 768px) {
  .servicio-row { grid-template-columns: auto 1fr; gap: 1.5rem; padding: 2.5rem 0; }
  .servicio-arrow { display: none; }
  .servicio-detalles { grid-template-columns: 1fr; }
}
@media (max-width: 500px) {
  .servicio-row { grid-template-columns: 1fr; }
  .servicio-num { font-size: 3rem; }
}

/* ============== STACK TECNOLÓGICO ============== */
.stack {
  background: var(--crema);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stack-grid {
  display: grid;
  gap: 1rem;
  max-width: 1024px;
  margin: 4rem auto 0;
}

.stack-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 1.75rem;
  background: var(--blanco);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: all 0.3s var(--ease);
}

.stack-row:hover {
  border-color: var(--oro);
  transform: translateY(-2px);
}

.stack-categoria {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--oro-oscuro);
}

.stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-badge {
  display: inline-flex;
  padding: 7px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--tinta);
  background: var(--crema);
  border: 1px solid var(--line);
  transition: all 0.3s var(--ease);
}

.tech-badge:hover {
  background: var(--tinta);
  color: var(--blanco);
  border-color: var(--tinta);
}

@media (max-width: 768px) {
  .stack-row { grid-template-columns: 1fr; gap: 1rem; }
}

/* ============== PROYECTOS ============== */
.proyectos {
  background: var(--blanco);
}

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.proyecto-card {
  background: var(--tinta);
  color: var(--blanco);
  border-radius: 24px;
  padding: 2.5rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all 0.5s var(--ease);
}

.proyecto-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(184, 134, 11, 0.15), transparent 60%);
  pointer-events: none;
}

.proyecto-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(15, 14, 12, 0.25);
}

.proyecto-card:hover::before {
  background: radial-gradient(ellipse at top right, rgba(212, 169, 61, 0.3), transparent 60%);
}

.proyecto-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 4.5rem;
  color: var(--oro);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: 1.5rem;
  position: relative;
}

.proyecto-categoria {
  font-size: 11px;
  color: var(--oro-claro);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1rem;
  position: relative;
}

.proyecto-nombre {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  position: relative;
}

.proyecto-resumen {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.6;
  position: relative;
  margin-bottom: 1.5rem;
}

.proyecto-meta {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  position: relative;
}

@media (max-width: 900px) {
  .proyectos-grid { grid-template-columns: 1fr; }
  .proyecto-card { min-height: auto; }
}

/* ============== TESTIMONIOS ============== */
.testimonios {
  background: var(--crema);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.testimonio-card {
  background: var(--blanco);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all 0.4s var(--ease);
  position: relative;
}

.testimonio-card:hover {
  transform: translateY(-4px);
  border-color: var(--oro);
  box-shadow: 0 16px 40px rgba(184, 134, 11, 0.12);
}

.testimonio-comilla {
  font-family: 'Georgia', serif;
  font-size: 4rem;
  color: var(--oro);
  line-height: 0.6;
  height: 24px;
  opacity: 0.5;
}

.testimonio-cita {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--tinta);
  font-weight: 400;
}

.testimonio-meta {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.testimonio-sector {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--oro-oscuro);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .testimonios-grid { grid-template-columns: 1fr; }
}

/* ============== CONTACTO ============== */
.contacto {
  background: var(--tinta);
  color: var(--blanco);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contacto::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(184, 134, 11, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.contacto .container { position: relative; z-index: 1; }

.contacto .section-title { color: var(--blanco); }
.contacto .section-intro { color: rgba(255, 255, 255, 0.7); }

.contacto-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 4rem auto 0;
}

.contacto-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: all 0.4s var(--ease);
  color: var(--blanco);
}

.contacto-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--oro);
  box-shadow: 0 16px 40px rgba(184, 134, 11, 0.2);
}

.contacto-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--oro-claro), var(--oro));
  border-radius: 50%;
  color: var(--blanco);
  margin-bottom: 0.5rem;
}

.contacto-canal {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contacto-valor {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
}

.contacto-cta {
  font-size: 11px;
  color: var(--oro-claro);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  margin-top: 0.5rem;
}

@media (max-width: 600px) {
  .contacto-cards { grid-template-columns: 1fr; }
}

/* ============== WHATSAPP FLOAT ============== */
.wa-float {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  z-index: 99;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  transition: all 0.4s var(--ease);
}

.wa-float:hover {
  transform: scale(1.1) rotate(-10deg);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

/* ============== FOOTER ============== */
footer {
  background: var(--blanco);
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 1.25rem;
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.footer-info a {
  color: var(--oro-oscuro);
  font-weight: 500;
  transition: color 0.3s;
}

.footer-info a:hover { color: var(--oro); }

.footer-sep { color: var(--muted-soft); }

.footer-copy {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ============== REVEAL ============== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.48s; }

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