/* ==========================================================================
   1. RESET, VARIABLES Y NAVEGACIÓN BASE
   ========================================================================== */

/* 1.1 Importación de Fuentes */

/* 1.2 Variables de Marca */
:root {
  /* Paleta Oficial */
  --bg-main: #FBFBFA;          /* Fondo Principal */
  --text-primary: #0D0D0D;     /* Texto Principal */
  --text-secondary: #666663;   /* Texto Secundario */
  --border-color: #E0E0DC;     /* Bordes y Divisiones */
  --accent-primary: #6B4226;   /* Acento Marrón Principal */
  --accent-detail: #A87C4F;    /* Microdetalle */
  
  /* Fuentes */
  --font-serif: 'Fraunces', serif;
  --font-sans: 'Inter', sans-serif;

  /* Layout y Animaciones */
  --max-width: 1280px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 1.3 Reset Estructural y Accesibilidad */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

*:focus {
  outline: none;
}

/* Foco Accesible por Teclado (WCAG 2.1 AA) */
*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a, button {
  color: inherit;
  text-decoration: none;
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
}

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

.container {
  width: 92%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* 1.4 Animaciones Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* 1.5 Header y Navegación */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(251, 251, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1.1rem 0;
  transition: var(--transition-smooth);
}

.header.scrolled {
  padding: 0.85rem 0;
  background: rgba(251, 251, 250, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

/* Logo / Monograma */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  z-index: 1001;
}

.monogram {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: -0.5px;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-primary);
}

/* Links de Navegación */
.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--accent-primary);
  transition: var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

/* Botón Header */
.btn-header {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  padding: 0.6rem 1.3rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-header:hover {
  background-color: var(--text-primary);
  transform: translateY(-1px);
}

.mobile-only-btn {
  display: none;
}

/* Botón Hamburguesa */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  z-index: 1001;
  padding: 0;
}

.hamburger-btn .line {
  width: 100%;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: var(--transition-smooth);
  transform-origin: center;
}

.hamburger-btn.active .line-1 {
  transform: translateY(3.75px) rotate(45deg);
}

.hamburger-btn.active .line-2 {
  transform: translateY(-3.75px) rotate(-45deg);
}


/* ==========================================================================
   2. HERO SECTION
   ========================================================================== */

@keyframes scrollPulse {
  0%, 100% {
    opacity: 1;
    transform: translateY(0);
  }
  50% {
    opacity: 0.35;
    transform: translateY(5px);
  }
}

.hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 3rem;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
}

.hero-counter {
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  z-index: 5;
}

.counter-line {
  width: 1px;
  height: 35px;
  background-color: var(--border-color);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.hero-brand-tag {
  margin-bottom: 0.8rem;
}

.tag-subtitle {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-primary);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 400;
  line-height: 1.08;
  color: var(--text-primary);
  letter-spacing: -1px;
  margin-bottom: 1.2rem;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
}

.hero-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 410px;
  line-height: 1.55;
  margin-bottom: 1.8rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-secondary {
  display: block;                 /* Permite aplicar márgenes automáticos de centrado */
  width: fit-content;             /* Ajusta el ancho al texto para que la línea no se estire */
  margin: 0.5rem auto 0;          /* Separación superior (1.2rem) y centrado horizontal (auto) */
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2px;
  text-align: center;
}

.btn-secondary:hover {
  border-bottom-color: var(--accent-primary);
  color: var(--accent-primary);
}


.hero-location {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-diagonal-card {
  width: 100%;
  aspect-ratio: 16 / 10;
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  background-color: #EFEFEA;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-diagonal-card:hover .hero-img {
  transform: scale(1.03);
}

.hero-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  margin-top: 1.2rem;
  animation: scrollPulse 2.2s infinite ease-in-out;
}

.scroll-line {
  width: 1px;
  height: 12px;
  background-color: var(--accent-primary);
}

.scroll-text {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-primary);
  text-transform: uppercase;
}


/* ==========================================================================
   3. ENFOQUE / PROPUESTA DE VALOR
   ========================================================================== */

.approach {
  padding: 5.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-main);
}

.approach-container {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 4rem;
}

.approach-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.approach-step-tag {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.step-num {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-primary);
}

.step-line {
  width: 32px;
  height: 1px;
  background-color: var(--border-color);
}

.approach-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 400;
  line-height: 1.18;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 1.2rem;
}

.approach-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 440px;
}

.approach-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.pillar-item {
  padding: 0 1.8rem;
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: var(--transition-smooth);
}

.pillar-item:first-child {
  padding-left: 0;
  border-left: none;
}

.pillar-icon {
  color: var(--accent-primary);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.pillar-item:hover .pillar-icon {
  transform: translateY(-3px);
  color: var(--text-primary);
}

.pillar-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.2px;
}

.pillar-text {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}


/* ==========================================================================
   4. SECCIÓN SOLUCIONES / QUÉ CONSTRUIMOS
   ========================================================================== */

.solutions {
  padding: 5.5rem 0;
  background-color: var(--bg-main);
}

.solutions-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
}

.solutions-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.section-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.solutions-all-link {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text-primary);
  text-transform: uppercase;
  border-bottom: 1px solid var(--text-primary);
  padding-bottom: 3px;
  transition: var(--transition-smooth);
}

.solutions-all-link:hover {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.solution-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.8rem 1.5rem;
  background-color: #121212;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
  min-height: 280px;
}

.solution-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.solution-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.solution-top h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 0.3rem;
  letter-spacing: -0.3px;
}

.solution-top span {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent-primary, rgba(255, 255, 255, 0.6));
  text-transform: uppercase;
}

.solution-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 1.5rem;
}

.solution-bottom span:first-child {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 75%;
  line-height: 1.3;
}

.solution-bottom span:last-child {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.4);
}

/* Adaptabilidad Mobile / Tablet */
@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .solutions-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* ==========================================================================
   5. SECCIÓN DE PROCESO
   ========================================================================== */

.process {
  padding: 5.5rem 0;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.process-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr auto 1.3fr;
  align-items: center;
  gap: 2.5rem;
}

.process-visual {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.process-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-visual:hover .process-img {
  transform: scale(1.03);
}

.process-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.process-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.process-divider {
  width: 1px;
  height: 100%;
  min-height: 180px;
  background-color: var(--border-color);
  align-self: center;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step-item {
  display: flex;
  align-items: baseline;
  gap: 1.8rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border-color);
}

.process-step-item:first-child {
  padding-top: 0;
}

.process-step-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.step-number {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent-primary);
  min-width: 24px;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.step-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.step-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}


/* ==========================================================================
   6. SECCIÓN DE SERVICIOS
   ========================================================================== */

.services {
  padding: 5.5rem 0;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
}

.services-container {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 3.5rem;
  align-items: start;
}

.services-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: sticky;
  top: 100px;
}

.services-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid var(--border-color);
}

.service-card {
  padding: 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  border-right: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.service-card:last-child {
  border-right: none;
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-icon {
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  height: 32px;
}

.service-icon svg {
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon svg {
  transform: scale(1.1);
}

.service-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.service-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}


/* ==========================================================================
   7. SECCIÓN SOBRE CB
   ========================================================================== */

.about {
  padding: 5.5rem 0;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
}

.about-container {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr auto 1.2fr;
  align-items: center;
  gap: 2.5rem;
}

.about-visual {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-visual:hover .about-img {
  transform: scale(1.03);
}

.about-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.about-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.about-divider {
  width: 1px;
  height: 100%;
  min-height: 160px;
  background-color: var(--border-color);
  align-self: center;
}

.about-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: center;
}

.about-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.about-location {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.about-location svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}


/* ==========================================================================
   8. SECCIÓN CTA (LLAMADO A LA ACCIÓN / WHATSAPP)
   ========================================================================== */

.cta {
  padding: 5.5rem 0;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
}

.cta-container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

.cta-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.cta-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9rem;
  padding-left: 2rem;
  border-left: 1px solid var(--border-color);
}

.cta-subtext {
  font-size: 0.82rem;
  color: var(--text-secondary);
  letter-spacing: -0.1px;
}

.cta-btn {
  background-color: var(--accent-primary);
  color: #ffffff;
  padding: 0.85rem 1.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  gap: 0.6rem;
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.cta-btn:hover {
  background-color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.cta-quote {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding-left: 1rem;
}

.cta-icon {
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.cta-quote-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}


/* ==========================================================================
   9. SECCIÓN FORMULARIO DE CONTACTO
   ========================================================================== */

.contact-section {
  padding: 5rem 0;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.2;
}

.contact-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  width: 100%;
}

.form-group {
  width: 100%;
}

.form-input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background-color: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.3s ease, background-color 0.3s ease;
  box-sizing: border-box;
}

.form-input:focus {
  border-color: var(--accent-primary);
  background-color: #ffffff;
}

.form-submit-btn {
  width: 100%;
  justify-content: center;
  cursor: pointer;
  border: none;
}

/* Responsive Formulario */
@media (max-width: 850px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}


/* ==========================================================================
   10. SECCIÓN FOOTER (PIE DE PÁGINA)
   ========================================================================== */

.footer {
  background-color: #121110;
  color: #e5dfd8;
  padding: 3rem 0;
  border-top: 1px solid #22201e;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #ffffff;
}

.footer-logo .logo-mark {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  border: 1.5px solid #ffffff;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo .logo-text {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: #ffffff;
  text-transform: uppercase;
}

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

.footer-link {
  color: #a09990;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #ffffff;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.social-link {
  color: #a09990;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.social-link:hover {
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-size: 0.78rem;
  color: #807a72;
}

/* ==========================================================================
   9. ADAPTACIÓN RESPONSIVE UNIFICADA (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
  .process-container,
  .about-container {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .process-visual,
  .about-visual {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 9;
  }

  .process-divider,
  .about-divider {
    display: none;
  }

  .process-header,
  .process-steps,
  .about-header,
  .about-body {
    grid-column: 1 / -1;
  }

  .services-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .services-header {
    position: relative;
    top: 0;
  }

  .services-grid {
    border-left: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 0;
  }

  .service-card {
    padding: 1.2rem 1.5rem;
    border-right: 1px solid var(--border-color);
  }

  .service-card:nth-child(2n) {
    border-right: none;
  }

  .cta-container {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .cta-action,
  .cta-quote {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border-color);
    padding-top: 1.8rem;
  }
}

@media (max-width: 900px) {
  .desktop-only-btn {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    padding: 2rem 1.5rem 2.5rem 1.5rem;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    gap: 1.4rem;
    align-items: flex-start;
  }

  .nav-link {
    font-size: 0.85rem;
    letter-spacing: 2px;
  }

  .mobile-only-btn {
    display: flex;
    width: 100%;
    padding: 0.8rem 1.5rem;
    margin-top: 0.5rem;
  }

  .approach-container {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .approach-description {
    max-width: 100%;
  }

  .projects-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }
}

@media (max-width: 850px) {
  .hero {
    padding-top: 5rem;
    padding-bottom: 2rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    display: flex;
    flex-direction: column;
  }

  .hero-counter {
    right: 0;
    top: -0.2rem;
    transform: none;
  }

  .counter-line {
    height: 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    width: 100%;
  }

  .btn-primary {
    width: 100%;
    text-align: center;
  }

  .hero-diagonal-card {
    clip-path: none;
    aspect-ratio: 16 / 11;
    border-radius: 6px;
  }
}

@media (max-width: 640px) {
  .approach,
  .projects,
  .process,
  .services,
  .about,
  .cta {
    padding: 3.8rem 0;
  }

  .approach-pillars,
  .services-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .pillar-item {
    padding: 1.8rem 0 0 0;
    border-left: none;
    border-top: 1px solid var(--border-color);
  }

  .pillar-item:first-child {
    border-top: none;
    padding-top: 0;
  }

  .service-card {
    padding: 1.2rem 0;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .service-card:last-child {
    border-bottom: none;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }

  /* Navegación en grilla de 4 columnas */
  .footer-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem 0.5rem;
    width: 100%;
  }

  .footer-link {
    font-size: 0.68rem;
  }

  /* Redes sociales en columna */
  .footer-socials {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    width: 100%;
  }

  /* Texto inferior centrado */
  .footer-meta {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.4rem;
    width: 100%;
    border-top: 1px solid #22201e;
    padding-top: 1.5rem;
  }
}
/* ==========================================================================
   11. BOTÓN FLOTANTE DE WHATSAPP (ANIMADO)
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 56px;
  height: 56px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.3s ease;
  animation: wa-pulse 2s infinite;
}

/* Efecto hover: eleva, gira levemente y pausa el pulso */
.whatsapp-float:hover {
  transform: scale(1.12) rotate(6deg);
  background-color: #20ba5a;
  animation: none;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
}

/* Animación de onda expansiva sutil */
@keyframes wa-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6), 0 4px 15px rgba(0, 0, 0, 0.25);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0), 0 4px 15px rgba(0, 0, 0, 0.25);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 4px 15px rgba(0, 0, 0, 0.25);
  }
}

/* Responsive para celulares */
@media (max-width: 640px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-float svg {
    width: 25px;
    height: 25px;
  }
}

/* ==========================================================================
   NUEVAS SECCIONES: INCLUIDO · TRABAJOS · PREGUNTAS · FORMULARIO
   ========================================================================== */
.includes { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; margin-top: 2rem; }
.includes li { font-size: 0.78rem; padding: 0.5rem 1rem; border: 1px solid var(--border-color); border-radius: 50px; color: var(--text-secondary); }

.work { padding: 5.5rem 0; border-top: 1px solid var(--border-color); }
.work .section-title { margin: 0.8rem 0 2.5rem; }
.work-card { background: #121212; color: #fff; border-radius: 6px; padding: 2.5rem 2rem; max-width: 820px; }
.work-kind { font-size: 0.65rem; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-detail); }
.work-name { font-family: var(--font-serif); font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 400; margin: 0.6rem 0 1rem; }
.work-text { color: rgba(255,255,255,0.75); line-height: 1.7; margin-bottom: 1.2rem; }
.work-list { list-style: none; margin-bottom: 2rem; }
.work-list li { padding: 0.4rem 0 0.4rem 1.4rem; position: relative; color: rgba(255,255,255,0.85); font-size: 0.92rem; }
.work-list li::before { content: "—"; position: absolute; left: 0; color: var(--accent-detail); }
.work-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }
.work-actions .btn-primary { display: inline-block; }
.work-link { font-size: 0.7rem; font-weight: 600; letter-spacing: 1.4px; text-transform: uppercase; color: #fff; border-bottom: 1px solid rgba(255,255,255,0.4); padding-bottom: 2px; }

.faq { padding: 5.5rem 0; border-top: 1px solid var(--border-color); }
.faq .section-title { margin: 0.8rem 0 2rem; }
.faq-list { max-width: 760px; }
.faq-item { border-bottom: 1px solid var(--border-color); }
.faq-item summary { cursor: pointer; list-style: none; padding: 1.2rem 2rem 1.2rem 0; font-weight: 500; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; color: var(--accent-primary); font-size: 1.3rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--text-secondary); padding: 0 0 1.3rem; line-height: 1.7; }

select.form-input { appearance: none; background: transparent; cursor: pointer; }
.form-status { margin-top: 1rem; font-size: 0.9rem; line-height: 1.6; }
.form-status.is-ok { color: var(--accent-primary); font-weight: 500; }
.form-status.is-error { color: #a33a2f; }
.form-status a { text-decoration: underline; }

/* TRABAJOS: tarjeta con vista previa real */
.work-intro { color: var(--text-secondary); max-width: 520px; margin: -1rem 0 2.5rem; line-height: 1.7; }
.work-card { display: grid; grid-template-columns: 1.35fr 1fr; gap: 2.5rem; align-items: center; max-width: none; padding: 1.2rem; }
.work-preview { display: block; position: relative; border-radius: 8px; overflow: hidden; background: #1c1c1c; box-shadow: 0 18px 40px rgba(0,0,0,0.35); }
.work-browser { display: flex; gap: 6px; padding: 10px 12px; background: #262626; }
.work-browser span { width: 8px; height: 8px; border-radius: 50%; background: #555; }
.work-frame { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.work-frame iframe { position: absolute; top: 0; left: 0; width: 1280px; height: 800px; border: 0; pointer-events: none; transform-origin: 0 0; transform: scale(0.3); background: #0D0D0C; }
.work-preview::after { content: "Abrir demo \2192"; position: absolute; right: 12px; bottom: 12px; font-size: 0.65rem; letter-spacing: 1.4px; text-transform: uppercase; background: rgba(0,0,0,0.75); color: #fff; padding: 8px 14px; border-radius: 50px; }
.work-info { padding: 1rem 1rem 1rem 0; }
.work-more { margin-top: 1.5rem; font-size: 0.8rem; color: var(--text-secondary); letter-spacing: 0.5px; }
@media (max-width: 900px) {
  .work-card { grid-template-columns: 1fr; gap: 1.5rem; }
  .work-info { padding: 0 0.6rem 0.8rem; }
}

/* ==========================================================================
   SOLUCIONES Y TRABAJOS — TARJETAS CLARAS (alineadas a la marca)
   ========================================================================== */
.solution-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  box-shadow: 0 1px 2px rgba(13, 13, 13, 0.04);
  transition: var(--transition-smooth);
}
.solution-card::before {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent-primary);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.solution-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-detail);
  box-shadow: 0 18px 40px rgba(107, 66, 38, 0.12);
}
.solution-card:hover::before { transform: scaleX(1); }
.solution-top h3 { color: var(--text-primary); }
.solution-top span { color: var(--accent-detail); }
.solution-desc { margin: 1rem 0; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }
.solution-bottom { border-top: 1px solid var(--border-color); }
.solution-bottom span:first-child { color: var(--text-secondary); }
.solution-bottom span:last-child { color: var(--accent-primary); }

.work-card {
  background: #FFFFFF;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 50px rgba(107, 66, 38, 0.08);
}
.work-name { color: var(--text-primary); }
.work-kind { color: var(--accent-detail); }
.work-text { color: var(--text-secondary); }
.work-link { color: var(--accent-primary); border-bottom-color: var(--accent-detail); }
.work-preview { background: #EDEBE7; box-shadow: 0 14px 34px rgba(13, 13, 13, 0.16); }
.work-browser { background: #E4E1DC; }
.work-browser span { background: #C9C4BC; }
.work-preview::after { background: rgba(255, 255, 255, 0.92); color: var(--text-primary); }
.work-intro { color: var(--text-secondary); }

/* ==========================================================================
   MEJORAS: entrada del hero, progreso, menú activo, microinteracciones
   ========================================================================== */
::selection { background: var(--accent-primary); color: #fff; }
.scroll-progress { position: fixed; top: 0; left: 0; width: 100%; height: 2px; background: var(--accent-primary); transform: scaleX(0); transform-origin: 0 50%; z-index: 1100; pointer-events: none; }
.nav-link.is-current { color: var(--text-primary); }
.nav-link.is-current::after { width: 100%; }
.btn-primary:active, .btn-header:active, .cta-btn:active { transform: translateY(0) scale(0.98); }
.solution-card:hover .solution-top h3 { color: var(--accent-primary); }
.solution-top h3 { transition: color 0.35s ease; }

/* Entrada orquestada del hero (una sola vez al cargar) */
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero-content > * { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) both; }
.hero-content > :nth-child(2) { animation-delay: 0.1s; }
.hero-content > :nth-child(3) { animation-delay: 0.2s; }
.hero-content > :nth-child(4) { animation-delay: 0.3s; }
.hero-content > :nth-child(5) { animation-delay: 0.4s; }
.hero-visual { animation: heroIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both; }

/* Respeta a quien pide menos movimiento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}