/* ===========================
   VARIABLES & RESET
   =========================== */
:root {
  --color-dark-gray: #4D4D4D;
  --color-red: #FF6666;
  --color-white: #f3e7e7;
  --color-black: #000000;

  --primary: var(--color-dark-gray);
  --primary-light: #7F7F7F;
  --primary-dark: #1a1a2e;

  --accent: var(--color-red);
  --accent-light: #FF9999;
  --accent-dark: #E05555;
  --accent-vibrant: #FF4757;
  --accent-coral: #FF6B6B;
  --accent-orange: #FFA502;

  --gradient-primary: linear-gradient(135deg, var(--accent) 0%, var(--accent-orange) 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --gradient-hero: linear-gradient(135deg, rgba(26,26,46,0.95) 0%, rgba(22,33,62,0.9) 50%, rgba(15,52,96,0.85) 100%);

  --bg-light: #f8f9fa;
  --bg-section: #ffffff;
  --bg-dark: #1a1a2e;
  --bg-darker: #0f0f1a;

  --text-dark: #2d3436;
  --text-light: #ffffff;
  --text-muted: #636e72;

  --shadow-sm: 0 2px 10px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 40px rgba(255,102,102,0.3);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Inter', sans-serif;
  line-height: 1.2;
}

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

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

/* ===========================
   GRADIENT TEXT
   =========================== */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(255,102,102,0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255,102,102,0.6);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
  transform: translateY(-3px);
}

.btn-lg {
  padding: 18px 42px;
  font-size: 1.1rem;
}

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

/* ===========================
   NAVBAR
   =========================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  padding: 15px 0;
  transition: var(--transition);
  background: transparent;
}

#navbar.scrolled {
  background: rgba(26,26,46,0.95);
  backdrop-filter: blur(20px);
  padding: 8px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

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

.nav-logo img {
  height: 50px;
  width: auto;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

#navbar.scrolled .nav-logo img {
  height: 40px;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 8px;
}

.nav-link {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 50px;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: white;
  background: rgba(255,255,255,0.12);
}

.nav-link.active {
  background: var(--gradient-primary);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 10000;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===========================
   HERO
   =========================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: url('./images/hero-tech.jpg') no-repeat center center/cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}

.hero-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255,102,102,0.6);
  border-radius: 50%;
  animation: floatParticle 15s infinite linear;
}

@keyframes floatParticle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 20px;
}

.hero-logo img {
  height: 100px;
  border-radius: var(--radius-md);
  margin-bottom: 30px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  font-weight: 300;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.hero-scroll-indicator a {
  color: rgba(255,255,255,0.6);
  font-size: 1.5rem;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(12px); }
}

/* ===========================
   STATS BAR
   =========================== */
.stats-bar {
  background: var(--gradient-dark);
  padding: 50px 0;
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-item {
  text-align: center;
  color: white;
}

.stat-item i {
  font-size: 2rem;
  margin-bottom: 10px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: 'Poppins', sans-serif;
  display: inline;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  margin-top: 5px;
}

/* ===========================
   SECTION COMMON
   =========================== */
.section-padding {
  padding: 100px 0;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,102,102,0.1);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-header.light .section-tag {
  background: rgba(255,102,102,0.2);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 0;
}

.section-header.light h2 {
  color: white;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin: 20px auto 0;
}

/* ===========================
   ABOUT SECTION
   =========================== */
#nosotros {
  background: var(--bg-section);
}

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

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

.about-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--primary-dark);
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 30px 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--text-dark);
}

.about-feature i {
  color: var(--accent);
  font-size: 1.1rem;
}

/* ===========================
   SERVICES SECTION
   =========================== */
#servicios {
  background: var(--gradient-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(255,102,102,0.3);
  background: rgba(255,255,255,0.08);
}

.service-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

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

.service-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(26,26,46,0.9) 100%);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -30px auto 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 20px rgba(255,102,102,0.4);
}

.service-icon i {
  font-size: 1.4rem;
  color: white;
}

.service-body {
  padding: 24px;
  text-align: center;
}

.service-body h3 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-body p {
  color: rgba(255,255,255,0.65);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: url('./images/contact-bg.jpg') no-repeat center center/cover;
  text-align: center;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,46,0.9);
}

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

.cta-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: white;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  font-size: 1.15rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===========================
   CONTACT SECTION
   =========================== */
#contacto {
  background: var(--bg-section);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}

.contact-info-card:hover {
  border-color: var(--accent-light);
  box-shadow: var(--shadow-sm);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon i {
  color: white;
  font-size: 1.1rem;
}

.contact-info-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-dark);
}

.contact-info-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* Contact Form */
.contact-form {
  background: var(--bg-light);
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid #e9ecef;
}

.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-form h3 i {
  color: var(--accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e9ecef;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  background: white;
  color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255,102,102,0.1);
}

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

/* Map */
.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  min-height: 500px;
  box-shadow: var(--shadow-md);
  border: 3px solid #e9ecef;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  min-height: 500px;
}

/* ===========================
   FOOTER
   =========================== */
footer {
  background: var(--bg-darker);
  color: rgba(255,255,255,0.8);
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  height: 50px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 700;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-contact p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact i {
  color: var(--accent);
  margin-top: 4px;
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.85rem;
  margin: 3px 0;
}

/* ===========================
   BACK TO TOP
   =========================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 9000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255,102,102,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(255,102,102,0.6);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 100px 30px 30px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }

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

  .nav-link {
    font-size: 1.1rem;
    padding: 14px 20px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-image img {
    height: 300px;
  }

  .about-image-accent {
    display: none;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  #hero h1 {
    font-size: 2rem;
  }

  .section-padding {
    padding: 60px 0;
  }
}

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

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

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}