/* 
  JFC-Ingeniería - Modern UI 
  Color Palette: Deep Blues, Navy, Electric Blue
*/

:root {
  /* Colors */
  --bg-dark: #071018;
  --bg-deep: #0B1B29;
  --primary: #0070F3;
  --primary-light: #2E8EFF;
  --primary-glow: rgba(0, 112, 243, 0.4);
  --accent: #38bdf8;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --light-bg: #0d1e2d;
  
  /* Typography */
  --font-mono: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  
  /* Spacing */
  --section-pad: 100px 0;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-main);
}

body {
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--bg-dark);
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -1px;
  background: linear-gradient(to right, #fff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #fff;
}

p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.kicker {
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: 15px;
  display: block;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--section-pad);
}

.bg-light { background-color: var(--light-bg); }
.bg-dark { background-color: var(--bg-dark); }
.bg-white { background-color: #0b1a26; } /* Kept dark theme as base */

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
  cursor: pointer;
  z-index: 10;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px var(--primary-glow);
  border: 1px solid var(--primary-light);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 15px 0;
  background: rgba(7, 16, 24, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}

.logo-svg {
  filter: drop-shadow(0px 4px 6px rgba(0,0,0,0.3));
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.logo-accent {
  font-family: var(--font-mono);
  color: #fff;
  font-weight: 300;
  font-size: 1.15rem;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 5px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary-light);
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: #fff;
}

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

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 0 20px;
  background: radial-gradient(circle at top right, var(--bg-deep), var(--bg-dark));
}

.hero-canvas {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
}

.hero-grid {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(600px) rotateX(60deg) translateY(-100px) scale(3);
  z-index: 1;
  animation: grid-move 15s linear infinite;
  mask-image: linear-gradient(to top, transparent 10%, black 80%);
  -webkit-mask-image: linear-gradient(to top, transparent 10%, black 80%);
}

@keyframes grid-move {
  0% { transform: perspective(600px) rotateX(60deg) translateY(0) scale(3); }
  100% { transform: perspective(600px) rotateX(60deg) translateY(60px) scale(3); }
}

.hero-bg-shapes {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  overflow: hidden;
  z-index: 0;
}

.shape-new-1 {
  position: absolute;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 60%);
  opacity: 0.15;
  top: -300px;
  right: -200px;
  border-radius: 50%;
  mix-blend-mode: screen;
}

.shape-new-2 {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.1;
  bottom: 0px;
  left: -200px;
  border-radius: 50%;
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero-content p {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* Services */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 40px 30px;
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 112, 243, 0.1);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  margin-bottom: 25px;
  border: 1px solid rgba(0, 112, 243, 0.2);
}

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

.highlight-text {
  color: #fff;
  font-weight: 500;
  border-left: 3px solid var(--primary);
  padding-left: 20px;
  margin-top: 30px;
}

.about-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glass-orb {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  filter: blur(60px);
  opacity: 0.5;
  animation: pulse 8s infinite alternate;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.1); opacity: 0.6; }
}

.glass-sheet {
  position: relative;
  width: 80%;
  height: 80%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
  padding: 40px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  z-index: 10;
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.stat-label {
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 1px;
}

/* Clients */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  margin-top: 50px;
}

.client-logo-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  transition: var(--transition);
  filter: grayscale(100%) opacity(0.7);
  mix-blend-mode: luminosity;
  overflow: hidden;
}

.client-logo-card:hover {
  filter: grayscale(0%) opacity(1);
  transform: translateY(-5px);
  mix-blend-mode: normal;
  box-shadow: 0 10px 25px rgba(0,112,243,0.3);
}

.client-logo-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: var(--transition);
}

/* Contact */
.contact-section {
  position: relative;
}

.contact-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 60px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%; width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(0,112,243,0.15), transparent 70%);
  z-index: 0;
}

.contact-card h2, .contact-card p, .contact-info {
  position: relative;
  z-index: 10;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
  align-items: center;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.1rem;
  color: #fff;
}

.info-icon {
  color: var(--primary-light);
  display: flex;
}

/* Footer */
.footer {
  padding: 80px 0 20px;
  border-top: 1px solid var(--glass-border);
  background: #040a0f;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 1rem;
  max-width: 320px;
  margin-top: 15px;
}

.footer-links h4 {
  color: var(--text-main);
  font-size: 1.1rem;
  margin-bottom: 25px;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 15px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

.footer-links a::before {
  content: '→';
  margin-right: 8px;
  color: var(--primary-light);
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(5px);
}

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  text-align: center;
  padding-top: 25px;
  border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* WhatsApp Float */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--transition);
}

.whatsapp-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
  background-color: #20bd5a;
}

/* Tech Section */
.border-top {
  border-top: 1px solid var(--glass-border);
}

.tech-features {
  display: grid;
  gap: 20px;
  margin-top: 40px;
}

.tech-feature-card {
  display: flex;
  gap: 20px;
  background: var(--glass-bg);
  padding: 25px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.tech-feature-card:hover {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.1);
}

.highlight-card {
  background: rgba(0, 112, 243, 0.05);
  border-color: rgba(0, 112, 243, 0.2);
}

.tf-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.tf-text h4 {
  margin-bottom: 5px;
  color: #fff;
  font-size: 1.1rem;
}

.tf-text p {
  margin: 0;
  font-size: 0.95rem;
}

.marquee-vertical-wrapper {
  height: 500px;
  display: flex;
  gap: 20px;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
  justify-content: center;
}

.marquee-vertical {
  display: flex;
  flex-direction: column;
  gap: 15px;
  animation: scroll-vertical 25s linear infinite;
  min-width: 160px;
}

.marquee-vertical.reverse {
  animation: scroll-vertical-reverse 30s linear infinite;
}

@keyframes scroll-vertical {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

@keyframes scroll-vertical-reverse {
  0% { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}

.tech-pill {
  padding: 15px 25px;
  background: var(--primary);
  color: #fff;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 500;
  text-align: center;
  box-shadow: 0 4px 15px var(--primary-glow);
  font-size: 1.1rem;
}

.tech-pill.outline {
  background: transparent;
  border: 1px solid var(--primary-light);
  color: var(--primary-light);
  box-shadow: none;
}

/* Portals Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(4, 10, 15, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--bg-deep);
  border: 1px solid var(--glass-border);
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
  width: 90%;
  max-width: 600px;
  border-radius: 20px;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  transition: var(--transition);
  position: relative;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

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

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
}

.modal-close:hover {
  color: #fff;
  transform: scale(1.1);
}

.modal-header {
  padding: 40px 40px 20px;
  text-align: center;
}

.modal-header h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.2);
}

.tab-btn {
  flex: 1;
  padding: 15px 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255,255,255,0.02);
}

.tab-btn.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary-light);
  background: rgba(0,112,243,0.05);
}

.modal-body {
  padding: 30px 40px 40px;
  overflow-y: auto;
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.access-grid {
  display: grid;
  gap: 15px;
}

.access-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition);
}

.access-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.15);
  transform: translateX(5px);
}

.access-icon {
  font-size: 2rem;
  background: rgba(0,0,0,0.2);
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
}

.access-info h4 {
  color: #fff;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
}

.access-info p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .dual-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-visual {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(7, 16, 24, 0.98);
    backdrop-filter: blur(15px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transition: var(--transition);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-links a {
    font-size: 1.5rem;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-buttons {
    flex-direction: column;
    padding: 0 20px;
  }
  
  .contact-card {
    padding: 40px 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .footer-brand p {
    margin: 15px auto 0;
  }
  
  .footer-links a {
    justify-content: center;
  }
  
  .whatsapp-btn {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}