/* ============================================
   DEVSINNOVATION - CSS PRINCIPAL v3.0
   Arquitectura: Mobile-First, BEM, CSS Custom Properties
   ============================================ */

/* ---- VARIABLES CSS ---- */
:root {
  /* Colores principales */
  --primary:        #0066FF;
  --primary-dark:   #0052CC;
  --primary-light:  #3385FF;
  --secondary:      #00D4AA;
  --accent:         #FF6B35;
  --purple:         #7C3AED;
  --yellow:         #F59E0B;
  --green:          #10B981;
  --pink:           #EC4899;
  --cyan:           #06B6D4;

  /* Neutros */
  --dark:           #0a0f1e;
  --dark-2:         #0d1526;
  --dark-3:         #111827;
  --dark-card:      #1a2235;
  --dark-border:    #1e2d45;
  --gray-900:       #111827;
  --gray-800:       #1f2937;
  --gray-700:       #374151;
  --gray-600:       #4b5563;
  --gray-500:       #6b7280;
  --gray-400:       #9ca3af;
  --gray-300:       #d1d5db;
  --gray-200:       #e5e7eb;
  --gray-100:       #f3f4f6;
  --white:          #ffffff;

  /* Tipografía */
  --font-primary:   'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-heading:   'Montserrat', 'Inter', sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;

  /* Tamaños de fuente */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Bordes */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 6px rgba(0,0,0,0.3);
  --shadow-lg:  0 10px 15px rgba(0,0,0,0.3);
  --shadow-xl:  0 20px 25px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(0,102,255,0.3);
  --shadow-glow-cyan: 0 0 20px rgba(0,212,170,0.3);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   300ms ease;
  --transition-slow:   500ms ease;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky:   1020;
  --z-fixed:    1030;
  --z-modal:    1050;
  --z-tooltip:  1070;
  --z-preloader: 9999;

  /* Contenedor */
  --container-max: 1280px;
  --container-pad: 1.5rem;
}

/* ---- RESET & BASE ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--dark);
  color: var(--gray-300);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

ul, ol { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- UTILIDADES ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,102,255,0.1);
  border: 1px solid rgba(0,102,255,0.3);
  color: var(--primary-light);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.section-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 600;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,102,255,0.5);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  box-shadow: 0 0 20px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(37,211,102,0.5);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Badges de tecnología */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(0,102,255,0.1);
  border: 1px solid rgba(0,102,255,0.25);
  color: var(--primary-light);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}

/* ---- PRELOADER ---- */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-preloader);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  animation: pulse 1.5s ease-in-out infinite;
}

.preloader-logo img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.preloader-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
}

.preloader-logo-text span {
  color: var(--primary);
}

.preloader-bar-wrapper {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.preloader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
  0%   { width: 0%; }
  50%  { width: 70%; }
  100% { width: 100%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.7; }
}

/* ---- NAVBAR ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
}

#navbar.scrolled {
  background: rgba(10,15,30,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  padding: var(--space-3) 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.nav-logo-text span {
  color: var(--primary);
}

.nav-menu {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  color: var(--gray-300);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-whatsapp {
  display: none;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.nav-whatsapp:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(37,211,102,0.4);
  color: var(--white);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10,15,30,0.98);
  backdrop-filter: blur(20px);
  z-index: calc(var(--z-fixed) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-20) var(--space-6);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile-link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--gray-300);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  text-align: center;
  width: 100%;
  max-width: 300px;
}

.nav-mobile-link:hover {
  color: var(--white);
  background: rgba(0,102,255,0.15);
}

.nav-mobile-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: var(--text-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav-mobile-close:hover {
  background: rgba(255,255,255,0.15);
}

/* ---- HERO ---- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,102,255,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(0,212,170,0.1) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(124,58,237,0.1) 0%, transparent 50%),
              linear-gradient(180deg, var(--dark) 0%, var(--dark-2) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-centered {
  text-align: center;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title-3d {
  perspective: 1000px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-word {
  display: inline-block;
  animation: fadeInUp 0.6s ease 0.2s both;
  transform-style: preserve-3d;
  transition: all 0.3s ease;
}

.hero-word:hover {
  transform: rotateX(10deg) rotateY(-5deg) translateZ(20px);
}

.hero-description-centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.3);
  color: var(--secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-6);
  animation: fadeInDown 0.6s ease both;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-xl));
  color: var(--gray-400);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  animation: fadeInUp 0.6s ease 0.6s both;
  justify-content: center;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  animation: fadeInUp 0.6s ease 0.8s both;
}

.hero-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.hero-stat:hover {
  background: rgba(0,102,255,0.08);
  border-color: rgba(0,102,255,0.3);
  transform: translateY(-2px);
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-stat-number span {
  color: var(--primary);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--gray-400);
}

/* ---- SERVICIOS ---- */
#servicios {
  background: var(--dark-2);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-color, var(--primary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,102,255,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-5);
  background: rgba(0,102,255,0.1);
  color: var(--primary);
  transition: all var(--transition-base);
}

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

.service-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.service-description {
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.service-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gray-300);
}

.service-feature i {
  color: var(--secondary);
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--primary-light);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.service-link:hover {
  gap: var(--space-3);
  color: var(--primary);
}

/* ---- PORTAFOLIO ---- */
#portafolio {
  background: var(--dark);
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-400);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition-base);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.portfolio-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,102,255,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--shadow-glow);
}

.portfolio-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,15,30,0.95) 0%, rgba(10,15,30,0.4) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-5);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary);
  color: var(--white);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.portfolio-overlay-btn:hover {
  background: var(--primary-dark);
}

.portfolio-category-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: rgba(0,102,255,0.85);
  color: var(--white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.portfolio-body {
  padding: var(--space-6);
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.portfolio-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  color: var(--gray-500);
}

.portfolio-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.portfolio-description {
  color: var(--gray-400);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.portfolio-techs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---- SOBRE NOSOTROS ---- */
#nosotros {
  background: var(--dark-2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-content {}

.about-title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: var(--space-5);
}

.about-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-description {
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.about-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.about-value {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.about-value:hover {
  background: rgba(0,102,255,0.06);
  border-color: rgba(0,102,255,0.2);
}

.about-value-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-value-title {
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.about-value-text {
  font-size: var(--text-sm);
  color: var(--gray-400);
  line-height: 1.6;
}

/* Hoja de vida */
.cv-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.cv-header {
  background: linear-gradient(135deg, var(--primary), var(--purple));
  padding: var(--space-8);
  text-align: center;
}

.cv-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--white);
  margin: 0 auto var(--space-4);
  border: 3px solid rgba(255,255,255,0.3);
}

.cv-name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.cv-title {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
}

.cv-body {
  padding: var(--space-6);
}

.cv-section-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.cv-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--dark-border);
}

.cv-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.cv-timeline-item {
  padding-left: var(--space-5);
  border-left: 2px solid var(--dark-border);
  position: relative;
}

.cv-timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.cv-timeline-title {
  font-weight: 700;
  color: var(--white);
  font-size: var(--text-sm);
  margin-bottom: 2px;
}

.cv-timeline-company {
  color: var(--primary-light);
  font-size: var(--text-xs);
  margin-bottom: 2px;
}

.cv-timeline-period {
  color: var(--gray-500);
  font-size: var(--text-xs);
}

/* ---- TECNOLOGÍAS ---- */
#tecnologias {
  background: var(--dark);
}

.tech-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.tech-tab {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-400);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all var(--transition-base);
}

.tech-tab:hover,
.tech-tab.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.tech-panel {
  display: none;
}

.tech-panel.active {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.tech-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  transition: all var(--transition-base);
}

.tech-item:hover {
  border-color: rgba(0,102,255,0.3);
  transform: translateY(-2px);
}

.tech-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.tech-item-name {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--white);
  font-size: var(--text-sm);
}

.tech-item-name i {
  color: var(--primary);
  font-size: var(--text-lg);
}

.tech-item-level {
  font-size: var(--text-xs);
  color: var(--gray-500);
}

.tech-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.tech-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1s ease;
}

/* ---- PROCESO ---- */
#proceso {
  background: var(--dark-2);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.process-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,102,255,0.3);
  box-shadow: var(--shadow-glow);
}

.process-step {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(0,102,255,0.15);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.process-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-xl);
  background: rgba(0,102,255,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: var(--space-4);
}

.process-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.process-description {
  color: var(--gray-400);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ---- TESTIMONIOS ---- */
#testimonios {
  background: var(--dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,102,255,0.3);
  box-shadow: var(--shadow-glow);
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-4);
  font-family: Georgia, serif;
}

.testimonial-text {
  color: var(--gray-300);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: var(--space-6);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-4);
}

.testimonial-stars i {
  color: var(--yellow);
  font-size: var(--text-sm);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 700;
  color: var(--white);
  font-size: var(--text-sm);
}

.testimonial-company {
  color: var(--gray-500);
  font-size: var(--text-xs);
}

/* ---- CTA ---- */
#cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark-2) 50%, var(--purple) 100%);
  position: relative;
  overflow: hidden;
}

#cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,102,255,0.2) 0%, transparent 70%);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-5);
  line-height: 1.2;
}

.cta-description {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* ---- CONTACTO ---- */
#contacto {
  background: var(--dark-2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.contact-info {}

.contact-info-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.contact-info-description {
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  text-decoration: none;
}

.contact-item:hover {
  background: rgba(0,102,255,0.06);
  border-color: rgba(0,102,255,0.2);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: var(--text-xs);
  color: var(--gray-500);
  margin-bottom: 2px;
}

.contact-item-value {
  font-weight: 600;
  color: var(--white);
  font-size: var(--text-sm);
}

.contact-social {
  display: flex;
  gap: var(--space-3);
}

.contact-social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: var(--text-lg);
  transition: all var(--transition-base);
}

.contact-social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* Formulario */
.contact-form-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}

.contact-form-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-300);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  color: var(--white);
  font-size: var(--text-base);
  transition: all var(--transition-base);
  outline: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-600);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  background: rgba(0,102,255,0.05);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.form-error {
  color: #ef4444;
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: none;
}

.form-input.error,
.form-textarea.error {
  border-color: #ef4444;
}

.form-success {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  color: #10B981;
  font-weight: 600;
  text-align: center;
  display: none;
  margin-top: var(--space-4);
}

/* ---- FOOTER ---- */
#footer {
  background: var(--dark);
  border-top: 1px solid var(--dark-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--white);
}

.footer-logo-text span {
  color: var(--primary);
}

.footer-description {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.footer-social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  color: var(--gray-500);
  font-size: var(--text-sm);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.footer-contact-item i {
  color: var(--primary);
  font-size: var(--text-sm);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact-item span {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.footer-contact-item a {
  color: var(--gray-500);
  transition: color var(--transition-base);
}

.footer-contact-item a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

.footer-copyright {
  color: var(--gray-600);
  font-size: var(--text-sm);
}

.footer-copyright a {
  color: var(--primary-light);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-5);
}

.footer-bottom-link {
  color: var(--gray-600);
  font-size: var(--text-xs);
  transition: color var(--transition-base);
}

.footer-bottom-link:hover {
  color: var(--primary-light);
}

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.whatsapp-tooltip {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.whatsapp-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: all var(--transition-base);
  animation: float 3s ease-in-out infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37,211,102,0.6);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* ---- BACK TO TOP ---- */
#backToTop {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0,102,255,0.8);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,102,255,0.5);
}

#backToTop.visible {
  opacity: 1;
  visibility: visible;
}

#backToTop:hover {
  background: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-base);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.modal-body {
  padding: var(--space-8);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--text-xl);
  transition: all var(--transition-base);
  z-index: 1;
}

.modal-close:hover {
  background: rgba(255,255,255,0.2);
}

.modal-image-wrapper {
  position: relative;
}

.modal-category {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: var(--space-2);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--dark-border);
}

.modal-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gray-400);
}

.modal-meta-item i {
  color: var(--primary);
}

.modal-description {
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.modal-highlights {
  margin-bottom: var(--space-5);
}

.modal-highlights-title {
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.modal-highlights-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.modal-highlight-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gray-300);
}

.modal-highlight-item i {
  color: var(--secondary);
  font-size: var(--text-xs);
}

.modal-techs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

/* ---- ANIMACIONES ---- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }
.animate-delay-6 { transition-delay: 0.6s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---- RESPONSIVE: TABLET (640px+) ---- */
@media (min-width: 640px) {
  :root { --container-pad: 2rem; }

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

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-panel.active {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-values {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ---- RESPONSIVE: DESKTOP (1024px+) ---- */
@media (min-width: 1024px) {
  :root { --container-pad: 2.5rem; }

  .nav-menu {
    display: flex;
  }

  .nav-whatsapp {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .tech-panel.active {
    grid-template-columns: repeat(3, 1fr);
  }

  .modal-highlights-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- RESPONSIVE: LARGE (1280px+) ---- */
@media (min-width: 1280px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- SCROLLBAR PERSONALIZADO ---- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--dark);
}
::-webkit-scrollbar-thumb {
  background: var(--dark-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ---- SELECCIÓN DE TEXTO ---- */
::selection {
  background: rgba(0,102,255,0.3);
  color: var(--white);
}