/* Importar fuentes modernas de Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300..800&family=Plus+Jakarta+Sans:wght@300..800&family=Roboto+Mono:wght@400;500&display=swap');

/* === VARIABLES DE DISEÑO (ESTILO FRAMER) === */
:root {
  /* Colores */
  --canvas: #ffffff;
  --primary: #000000;
  --on-primary: #ffffff;
  --surface-1: #f7f7f5;
  --surface-2: #f1f1f1;
  --ink: #000000;
  --ink-muted: #3f3f3f;
  --accent-blue: #000000;
  --accent-warm: #ff3d8b;
  --inverse-canvas: #000000;
  --inverse-ink: #ffffff;
  --on-inverse-soft: #ffffff;
  --hairline: #e6e6e6;
  --hairline-soft: #f1f1f1;
  --surface-soft: #f7f7f5;
  --block-lime: #dceeb1;
  --block-lilac: #c5b0f4;
  --block-cream: #f4ecd6;
  --block-pink: #efd4d4;
  --block-mint: #c8e6cd;
  --block-coral: #f3c9b6;
  --block-navy: #1f1d3d;
  --accent-magenta: #ff3d8b;
  --semantic-success: #1ea64a;

  /* Degradados Atmosféricos de Tarjetas */
  --gradient-violet: var(--block-lilac);
  --gradient-magenta: var(--block-pink);
  --gradient-orange: var(--block-coral);
  --gradient-coral: var(--block-mint);

  /* Espaciados */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  --spacing-section: 96px;

  /* Bordes Redondeados */
  --rounded-md: 10px;
  --rounded-lg: 15px;
  --rounded-xl: 20px;
  --rounded-xxl: 30px;
  --rounded-pill: 100px;
  --rounded-full: 9999px;

  /* Transiciones */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* === RESET GLOBAL === */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "kern" on;
  background-color: var(--canvas);
  color: var(--ink);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  line-height: 1.3;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
  overflow: hidden;
}

/* Enlaces */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Scrollbar Personalizada */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--canvas);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: var(--rounded-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ink-muted);
}

/* === TIPOGRAFÍA DE PÓSTER === */
h1, h2, h3, h4 {
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
  margin: 0;
  font-weight: 340;
  color: var(--ink);
}

h1 {
  font-size: 86px;
  line-height: 1;
  letter-spacing: -1.72px;
}

h2 {
  font-size: 64px;
  line-height: 1.1;
  letter-spacing: -0.96px;
}

h3 {
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: -0.26px;
  font-weight: 540;
}

p {
  margin: 0;
  color: var(--ink-muted);
}

/* Subtítulos de sección */
.section-subhead {
  font-size: 26px;
  color: var(--ink-muted);
  max-width: 760px;
  line-height: 1.35;
  letter-spacing: -0.26px;
  margin: var(--spacing-sm) auto 0 auto;
}

/* Cejas/Eyebrows */
.eyebrow {
  display: inline-block;
  font-family: 'Roboto Mono', monospace;
  font-size: 18px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.54px;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

/* === ORBES DE LUZ ATMOSFÉRICOS (FONDO) === */
.bg-decorations {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: var(--rounded-full);
  filter: blur(120px);
  opacity: 0;
  pointer-events: none;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.orb-1 {
  background: var(--block-lime);
  top: 5%;
  left: -100px;
}

.orb-2 {
  background: var(--block-lilac);
  top: 30%;
  right: -100px;
  animation-delay: -5s;
}

.orb-3 {
  background: var(--block-pink);
  top: 60%;
  left: 10%;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(30px) scale(1.1); }
}

/* === COMPONENTES COMUNES === */

/* Contenedor estándar */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  position: relative;
  z-index: 1;
}

/* Botones en forma de pastilla (Pills) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 480;
  border-radius: var(--rounded-pill);
  padding: 12px 22px;
  cursor: pointer;
  border: 1px solid var(--ink);
  letter-spacing: -0.10px;
  transition: var(--transition-smooth);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
  box-shadow: none;
}

a:focus-visible,
button:focus-visible,
.form-control:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--primary, #000000);
  color: var(--on-primary, #ffffff);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 0 var(--block-lilac);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-secondary {
  background-color: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-secondary:hover {
  background-color: var(--block-lime);
  border-color: var(--ink);
}

.btn-secondary:active {
  transform: scale(0.97);
}

.btn:disabled:hover,
.btn:disabled:active {
  transform: none;
  box-shadow: none;
}

.btn-link {
  color: var(--ink);
  font-size: 20px;
  font-weight: 480;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-link:hover {
  color: var(--ink);
}

.btn-link svg {
  transition: transform var(--transition-fast);
}

.btn-link:hover svg {
  transform: translateX(3px);
}

/* Spinner de carga */
.btn-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--ink);
  animation: spin 0.8s infinite linear;
  display: none;
  margin-right: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Tarjetas de Contenido */
.card {
  background-color: var(--canvas);
  border: 1px solid var(--ink);
  border-radius: 0 26px 26px 26px;
  padding: var(--spacing-xl);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
}

/* Tarjetas de atmósfera (Gradientes) */
.atmosphere-card {
  border: 1px solid var(--ink);
  border-radius: 34px 0 34px 34px;
  padding: var(--spacing-xl);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.atmosphere-card.violet { background: var(--gradient-violet); }
.atmosphere-card.magenta { background: var(--gradient-magenta); }
.atmosphere-card.orange { background: var(--gradient-orange); }

.atmosphere-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
}

/* Secciones */
.section {
  padding: var(--spacing-section) 0;
  position: relative;
}

#servicios,
#nosotros,
#portafolio,
#contacto,
main > section:nth-of-type(5),
main > section:nth-of-type(7) {
  margin: var(--spacing-xl);
  padding: var(--spacing-section) 0;
  border: 1px solid var(--ink);
  border-radius: 36px 0 36px 36px;
}

#servicios {
  background: var(--block-lime);
}

#nosotros {
  background: var(--block-coral);
  border-radius: 0 36px 36px 36px;
}

#portafolio {
  background: var(--block-cream);
}

main > section:nth-of-type(5) {
  background: var(--block-mint);
  border-radius: 0 36px 36px 36px;
}

main > section:nth-of-type(7) {
  background: var(--block-lilac);
}

#faq {
  background: var(--canvas);
}

#contacto {
  background: var(--block-pink);
  border-radius: 36px 36px 0 36px;
}

.text-center {
  text-align: center;
}

/* === HEADER / NAVBAR FLOTANTE === */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 56px;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
}

.logo {
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--rounded-full);
  background: var(--accent-blue);
  flex: 0 0 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: 16px;
  font-weight: 480;
  color: var(--ink);
}

.nav-link:hover, .nav-link.active {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-actions-mobile {
  display: none;
}

/* Selector de Idiomas */
.lang-selector {
  display: flex;
  background-color: var(--canvas);
  border: 1px solid var(--ink);
  padding: 3px;
  border-radius: var(--rounded-pill);
}

.lang-select {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-muted);
  padding: 4px 8px;
  border-radius: var(--rounded-pill);
  border: 0;
  background: transparent;
  cursor: pointer;
}

.lang-select.active {
  background-color: var(--ink);
  color: var(--inverse-ink);
}

/* Menú Hamburguesa Móvil */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1010;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* Animación menú hamburguesa */
.menu-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* === HERO SECTION === */
.hero {
  padding: 120px 0 88px 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 56px;
  align-items: center;
}

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

.hero-headline {
  margin-bottom: var(--spacing-lg);
}

.hero-headline span {
  display: block;
}

.hero-subhead {
  font-size: 26px;
  color: var(--ink-muted);
  max-width: 680px;
  line-height: 1.35;
  letter-spacing: -0.26px;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* Visual del Hero: Dashboard en Glassmorphism */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.dashboard-mockup {
  width: 100%;
  max-width: 460px;
  background: var(--inverse-canvas);
  border: 1px solid var(--ink);
  border-radius: 34px 34px 0 34px;
  backdrop-filter: none;
  padding: var(--spacing-xl);
  box-shadow: 14px 14px 0 var(--block-lime);
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.dashboard-dots {
  display: flex;
  gap: 6px;
}

.dashboard-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--rounded-full);
  background-color: var(--hairline);
}

.dashboard-dot:nth-child(1) { background-color: #EF4444; }
.dashboard-dot:nth-child(2) { background-color: var(--accent-warm); }
.dashboard-dot:nth-child(3) { background-color: var(--block-mint); }

.dashboard-title {
  font-size: 12px;
  color: var(--inverse-ink);
  font-family: 'Roboto Mono', monospace;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dashboard-body {
  display: grid;
  gap: var(--spacing-md);
}

.dashboard-body .highlight {
  color: var(--accent-blue);
}

.dashboard-body .accent-purple {
  color: var(--accent-blue);
}

.dashboard-body .accent-pink {
  color: var(--accent-warm);
}

.business-kpi {
  background: var(--block-cream);
  border: 1px solid var(--ink);
  border-radius: 22px 22px 0 22px;
  padding: var(--spacing-lg);
  color: var(--ink);
}

.business-kpi.featured {
  background: var(--block-lilac);
}

.kpi-label {
  display: block;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-xs);
}

.business-kpi strong {
  display: block;
  color: var(--ink);
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 6px;
}

.business-kpi small {
  color: var(--ink-muted);
  font-size: 13px;
}

.business-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.business-progress {
  background: var(--block-mint);
  border: 1px solid var(--ink);
  border-radius: 22px 0 22px 22px;
  padding: var(--spacing-lg);
}

.progress-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 13px;
  color: var(--ink-muted);
}

.progress-copy strong {
  color: var(--ink);
}

.progress-bar {
  height: 8px;
  overflow: hidden;
  border-radius: var(--rounded-pill);
  background: rgba(0, 0, 0, 0.12);
}

.progress-bar span {
  display: block;
  width: 76%;
  height: 100%;
  border-radius: inherit;
  background: var(--ink);
}

/* === INFINITE LOGO SLIDER === */
.slider-section {
  padding: 40px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  background: var(--surface-soft);
}

.slider-container {
  display: flex;
  width: 100%;
}

.slider-track {
  display: flex;
  gap: 60px;
  animation: scrollSlider 25s infinite linear;
  min-width: max-content;
}

.slider-track img, .slider-logo {
  height: 24px;
  opacity: 1;
  transition: var(--transition-fast);
  color: var(--ink);
  fill: currentColor;
}

.slider-logo:hover {
  opacity: 0.9;
}

@keyframes scrollSlider {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === SERVICIOS === */
.grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-top: 48px;
}

/* Tarjeta especial del grid */
.grid-span-2 {
  grid-column: span 2;
}

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

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background-color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--inverse-ink);
}

.atmosphere-card .service-icon {
  background-color: var(--ink);
  color: var(--inverse-ink);
}

.service-card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.service-card-desc {
  font-size: 15px;
  color: var(--ink-muted);
  margin-bottom: var(--spacing-lg);
}

/* === NOSOTROS / FILOSOFÍA === */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-section);
  align-items: center;
}

.about-content h2 {
  margin-bottom: var(--spacing-lg);
}

.about-text {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: var(--spacing-lg);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.tech-badge {
  background-color: var(--block-cream);
  border: 1px solid var(--ink);
  border-radius: 22px 22px 0 22px;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  transition: var(--transition-smooth);
}

.tech-badge:hover {
  background-color: var(--block-lime);
  border-color: var(--ink);
  transform: translateY(-2px);
}

.tech-badge svg {
  width: 32px;
  height: 32px;
  color: var(--ink);
  transition: var(--transition-fast);
}

.tech-badge:hover svg {
  color: var(--ink);
}

.tech-name {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink);
}

.tech-badge:hover .tech-name {
  color: var(--ink);
}

/* === PORTAFOLIO / PROYECTOS === */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--spacing-xl);
  margin-top: 48px;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-tags {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink);
  background-color: var(--canvas);
  border: 1px solid var(--ink);
  padding: 6px 12px;
  border-radius: var(--rounded-pill);
}

.atmosphere-card .project-tags {
  color: var(--ink);
  background-color: var(--canvas);
}

.project-info {
  margin-top: auto;
}

.project-title {
  font-size: 28px;
  margin-bottom: var(--spacing-xs);
}

.project-desc {
  font-size: 15px;
  color: var(--ink-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
}

.atmosphere-card .project-desc {
  color: var(--ink-muted);
}

/* === METODOLOGÍA (PROCESO) === */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: 48px;
}

.process-step {
  padding: var(--spacing-lg);
  border-radius: 22px 22px 0 22px;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.54);
  transition: var(--transition-smooth);
}

.process-step.active {
  background-color: var(--canvas);
  border-color: var(--ink);
}

.process-step.dimmed {
  opacity: 0.35;
}

.step-num {
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -2px;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-smooth);
}

.process-step.active .step-num {
  color: var(--accent-magenta);
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.step-desc {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.4;
}

/* === ESTADÍSTICAS / LOGROS === */
.stats-bg {
  background-color: var(--inverse-canvas);
  color: var(--inverse-ink);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
  font-size: 86px;
  font-weight: 340;
  line-height: 1;
  letter-spacing: -1.72px;
  color: var(--inverse-ink);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: 16px;
  color: var(--on-inverse-soft);
  font-weight: 330;
  letter-spacing: -0.14px;
}

/* === TESTIMONIOS === */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: 48px;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: var(--spacing-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--rounded-full);
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--inverse-ink);
  border: 1px solid var(--ink);
}

.author-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.author-role {
  font-size: 12px;
  color: var(--ink-muted);
}

/* === FAQ ACCORDION === */
.faq-container {
  max-width: 800px;
  margin: 48px auto 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--ink);
}

.faq-item:first-child {
  border-top: 1px solid var(--ink);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 24px 0;
  text-align: left;
  color: var(--ink);
  font-size: 20px;
  font-weight: 480;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-magenta);
}

.faq-icon {
  width: 18px;
  height: 18px;
  color: var(--ink-muted);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--ink);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  font-size: 18px;
  color: var(--ink-muted);
  line-height: 1.45;
  padding-bottom: 24px;
}

/* === FORMULARIO DE CONTACTO AVANZADO === */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--spacing-section);
  align-items: flex-start;
}

.contact-info h2 {
  margin-bottom: var(--spacing-lg);
}

.contact-details {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--rounded-full);
  background-color: var(--ink);
  border: 1px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--inverse-ink);
}

.contact-item-text {
  font-size: 14px;
}

.contact-item-text label {
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.contact-item-text a:hover {
  color: var(--accent-magenta);
}

.contact-item-text span {
  color: var(--ink);
}

.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-label {
  display: block;
  font-size: 16px;
  font-weight: 480;
  color: var(--ink);
  margin-bottom: var(--spacing-xs);
}

.form-control {
  width: 100%;
  background-color: var(--canvas);
  border: 1px solid var(--ink);
  border-radius: 18px;
  padding: 14px 18px;
  color: var(--ink);
  font-family: inherit;
  font-size: 18px;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--block-lilac);
}

.form-control.error {
  border-color: #EF4444;
}

.form-control:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.form-error {
  font-size: 12px;
  color: #EF4444;
  display: block;
  margin-top: 6px;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* === TOAST NOTIFICATION === */
.toast {
  position: fixed;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--inverse-canvas);
  border: 1px solid var(--ink);
  color: var(--inverse-ink);
  padding: 12px 24px;
  border-radius: var(--rounded-pill);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 8px 8px 0 var(--block-lilac);
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
}

.toast.show {
  bottom: 30px;
  opacity: 1;
}

.toast-success {
  border-color: rgba(16, 185, 129, 0.35);
}

.toast-error {
  border-color: rgba(239, 68, 68, 0.45);
  color: #FCA5A5;
}

/* === FOOTER === */
.footer {
  background: var(--inverse-canvas);
  color: var(--inverse-ink);
  border-top: 1px solid var(--ink);
  padding: 64px 0 32px 0;
}

.footer .logo,
.footer h4,
.footer p,
.footer a,
.footer span {
  color: var(--inverse-ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-section);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  font-size: 16px;
  line-height: 1.4;
}

.footer-col h4 {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--inverse-ink);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  font-size: 16px;
  color: var(--inverse-ink);
}

.footer-links a:hover {
  color: var(--block-lime);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 13px;
  color: var(--inverse-ink);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-md);
}

.footer-socials a,
.footer-socials .social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--rounded-full);
  background-color: var(--inverse-canvas);
  border: 1px solid var(--inverse-ink);
  color: var(--inverse-ink);
  transition: var(--transition-smooth);
}

.footer-socials a:hover {
  color: var(--ink);
  border-color: var(--inverse-ink);
  background-color: var(--inverse-ink);
}

.footer-socials .social-link.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

/* === RESPONSIVE (MEDIA QUERIES) === */

/* Tablets (pantallas inferiores a 992px) */
@media (max-width: 991px) {
  h1 { font-size: 4rem; letter-spacing: -1.6px; }
  h2 { font-size: 2.8rem; letter-spacing: -1px; }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-section);
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-subhead {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual {
    width: 100%;
  }
  
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid, .stats-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Dispositivos Móviles Grandes / Tablets (pantallas inferiores a 810px) */
@media (max-width: 810px) {
  :root {
    --spacing-section: 64px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 56px;
    left: 0;
    width: 100%;
    height: calc(100vh - 56px);
    background-color: var(--canvas);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.77, 0.2, 0.05, 1.0);
    z-index: 999;
  }

  .nav.open {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: 24px;
    font-weight: 600;
  }

  .nav-actions {
    display: none;
  }

  .nav-actions-mobile {
    display: flex;
    align-items: stretch;
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--ink);
  }

  .nav-actions-mobile .lang-selector {
    align-self: flex-start;
  }

  .nav-actions-mobile .btn {
    width: 100%;
  }
  
  .grid-2x2 {
    grid-template-columns: 1fr;
  }
  
  .grid-span-2 {
    grid-column: span 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Teléfonos Móviles Pequeños (pantallas inferiores a 576px) */
@media (max-width: 575px) {
  h1 { font-size: 48px; letter-spacing: -0.96px; }
  h2 { font-size: 38px; letter-spacing: -0.57px; }
  
  .hero {
    padding-top: 80px;
    min-height: auto;
  }

  .container {
    padding: 0 var(--spacing-lg);
  }

  .hero-subhead {
    font-size: 20px;
  }

  #servicios,
  #nosotros,
  #portafolio,
  #contacto,
  main > section:nth-of-type(5),
  main > section:nth-of-type(7) {
    margin: var(--spacing-md);
    border-radius: 26px 0 26px 26px;
  }

  .dashboard-mockup {
    padding: var(--spacing-lg);
  }

  .business-kpi-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }

  .process-grid, .stats-grid, .testimonials-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-number {
    font-size: 4rem;
    letter-spacing: -0.8px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}