/* ============================================
   OTTIMA - Design System
   Empresa de Desarrollo Tecnológico
   ============================================ */

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

:root {
  /* Colors */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(26, 30, 58, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #06B6D4;
  --accent-blue: #2563EB;
  --accent-gradient: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  --accent-gradient-reverse: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));

  /* Vertical Colors */
  --v-iluminacion: #F59E0B;
  --v-integracion: #10B981;
  --v-ia: #8B5CF6;
  --v-automatizacion: #06B6D4;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--text-secondary);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.section-title {
  margin-bottom: 20px;
}

.section-description {
  font-size: 1.1rem;
  max-width: 600px;
}

.section-header {
  margin-bottom: 60px;
}

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

.section-header.center .section-description {
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
}

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

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

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-glass-border);
}

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

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-logo .logo-dot {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--accent-gradient);
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  transform: translateY(-1px);
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg .mesh-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-bg .mesh-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.10) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-bg .mesh-3 {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: float 12s ease-in-out infinite;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

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

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 28px;
}

.hero-badge .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Section --- */
section {
  padding: var(--section-padding);
  position: relative;
}

/* --- Card Glass --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius);
  padding: 36px;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.15);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative;
}

.card-icon.iluminacion {
  background: rgba(245, 158, 11, 0.12);
  color: var(--v-iluminacion);
}

.card-icon.integracion {
  background: rgba(16, 185, 129, 0.12);
  color: var(--v-integracion);
}

.card-icon.ia {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-blue);
}

.card-icon.automatizacion {
  background: rgba(6, 182, 212, 0.12);
  color: var(--v-automatizacion);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: 10px;
}

/* --- Verticals Grid --- */
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content .section-label {
  margin-bottom: 16px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.about-feature h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.about-feature p {
  font-size: 0.9rem;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.about-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
  animation: float 15s ease-in-out infinite;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.about-stat {
  text-align: center;
  padding: 24px;
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.about-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.about-stat .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- CTA Section --- */
.cta-section {
  padding: 80px 0;
}

.cta-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius-lg);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-card h2 {
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.cta-card p {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 36px;
  position: relative;
  z-index: 1;
}

.cta-card .hero-actions {
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* --- Footer --- */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--bg-glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 280px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--bg-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.footer-social a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-column a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: all var(--transition-fast);
}

.footer-column a:hover {
  color: var(--accent-cyan);
  padding-left: 6px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero .hero-bg {
  opacity: 0.6;
}

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

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero .section-description {
  max-width: 550px;
}

/* --- Services Detail --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.service-detail.reverse {
  direction: rtl;
}

.service-detail.reverse>* {
  direction: ltr;
}

.service-info .section-label {
  margin-bottom: 12px;
}

.service-info h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-info p {
  margin-bottom: 24px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.service-list li .check {
  color: var(--accent-cyan);
  font-size: 1rem;
}

.service-visual {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.service-visual .service-icon-large {
  font-size: 5rem;
  opacity: 0.3;
}

/* --- Projects Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  border-color: rgba(0, 212, 255, 0.15);
}

.project-image {
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

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

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.8) 0%, transparent 50%);
}

.project-body {
  padding: 28px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.project-tag {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.project-tag.iluminacion {
  background: rgba(245, 158, 11, 0.08);
  color: var(--v-iluminacion);
  border-color: rgba(245, 158, 11, 0.15);
}

.project-tag.integracion {
  background: rgba(16, 185, 129, 0.08);
  color: var(--v-integracion);
  border-color: rgba(16, 185, 129, 0.15);
}

.project-tag.ia {
  background: rgba(139, 92, 246, 0.08);
  color: var(--v-ia);
  border-color: rgba(139, 92, 246, 0.15);
}

.project-tag.automatizacion {
  background: rgba(6, 182, 212, 0.08);
  color: var(--v-automatizacion);
  border-color: rgba(6, 182, 212, 0.15);
}

.project-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.project-body p {
  font-size: 0.9rem;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--bg-glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius);
  padding: 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition-normal);
}

.contact-info-card:hover {
  border-color: rgba(0, 212, 255, 0.15);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
}

.contact-info-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.9rem;
}

.contact-map {
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--bg-glass-border);
  flex: 1;
  min-height: 200px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 200px;
  border: none;
  filter: brightness(0.7) contrast(1.1) saturate(0.6) hue-rotate(180deg);
}

/* --- Filter Buttons --- */
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--bg-glass-border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent-cyan);
  border-color: rgba(0, 212, 255, 0.3);
}

/* --- Animations --- */
@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-30px) rotate(3deg);
  }
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.5);
  }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.animate-on-scroll:nth-child(2) {
  transition-delay: 0.1s;
}

.animate-on-scroll:nth-child(3) {
  transition-delay: 0.2s;
}

.animate-on-scroll:nth-child(4) {
  transition-delay: 0.3s;
}

/* --- Responsive --- */
@media (max-width: 1024px) {

  .about-grid,
  .service-detail,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail.reverse {
    direction: ltr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: right var(--transition-normal);
    border-left: 1px solid var(--bg-glass-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

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

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

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-card {
    padding: 48px 28px;
  }

  .page-hero {
    padding: 120px 0 60px;
  }

  .contact-form {
    padding: 28px;
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

  .about-stat .stat-number {
    font-size: 2rem;
  }
}


/* --- Dynamic Project Backgrounds (CSS Art) --- */

@keyframes pulse-amber {
  0% {
    background-position: 0% 50%;
    opacity: 0.8;
  }

  50% {
    background-position: 100% 50%;
    opacity: 1;
  }

  100% {
    background-position: 0% 50%;
    opacity: 0.8;
  }
}

@keyframes pan-grid {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 50px 50px;
  }
}

@keyframes flow-cyan {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.1);
    opacity: 1;
  }

  100% {
    transform: scale(1);
    opacity: 0.8;
  }
}

@keyframes slide-tech {
  0% {
    background-position: 0% 0%;
  }

  100% {
    background-position: 100% 100%;
  }
}

.project-card[data-category="iluminacion"] .project-image {
  background:
    radial-gradient(circle at 30% 20%, rgba(245, 158, 11, 0.4), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(217, 119, 6, 0.2), transparent 40%),
    repeating-linear-gradient(45deg, rgba(245, 158, 11, 0.05) 0px, rgba(245, 158, 11, 0.05) 1px, transparent 1px, transparent 10px),
    #0f172a;
  background-size: 150% 150%;
  animation: pulse-amber 10s ease infinite;
}

.project-card[data-category="integracion"] .project-image {
  background:
    linear-gradient(rgba(16, 185, 129, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 185, 129, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.3), transparent 60%),
    #0f172a;
  background-size: 40px 40px, 40px 40px, 100% 100%;
  animation: pan-grid 20s linear infinite;
}

.project-card[data-category="ia"] .project-image {
  background:
    radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.5), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.3), transparent 50%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%),
    #0f172a;
  background-size: 120% 120%;
  animation: flow-cyan 15s ease-in-out infinite alternate;
}

.project-card[data-category="automatizacion"] .project-image {
  background:
    repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(6, 182, 212, 0.1) 50px),
    linear-gradient(180deg, rgba(6, 182, 212, 0.2), transparent),
    #0f172a;
  background-size: 200% 200%;
  animation: slide-tech 8s linear infinite;
}

/* Ensure overlay stays on top but lets content show */
.project-overlay {
  z-index: 2;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
}