/* ==========================================================================
   CSS VARIABLES & DESIGN SYSTEM
   ========================================================================== */
:root {
  /* Colors */
  --color-primary-red: #C1121F;
  --color-primary-blue: #003049;
  --color-white: #ffffff;
  --color-dark: #0a0a0a;
  --color-gray-light: #f5f5f5;
  --color-gray-medium: #888888;
  
  /* Themes */
  --bg-color: var(--color-dark);
  --text-color: var(--color-white);
  --section-bg: transparent;

  /* Typography */
  --font-main: 'Outfit', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-slow: 0.5s ease;
}

/* Light Theme overrides (Toggled via JS or Body Class) */
body.theme-light {
  --bg-color: var(--color-gray-light);
  --text-color: var(--color-dark);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================================================
   NAVIGATION (GLASSMORPHISM)
   ========================================================================== */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition-slow);
}

body.theme-light .sticky-nav {
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Logo Sizing and Theme Toggle */
.logo-wrapper {
  display: block;
}

.logo-dark, .logo-light {
  height: 85px;
  width: auto;
  transition: opacity 0.3s ease;
}

/* Default (Dark Theme) */
.logo-dark {
  display: block;
}
.logo-light {
  display: none;
}

/* Light Theme overrides */
body.theme-light .logo-dark {
  display: none;
}
body.theme-light .logo-light {
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  font-size: 1rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary-red);
  transition: width var(--transition-fast);
}

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

@media screen and (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: left 0.3s ease;
  }

  .nav-links.active {
    left: 0;
  }

  .burger-menu {
    display: flex;
  }
}

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

body.theme-light .gradient-text {
  background: linear-gradient(135deg, var(--color-primary-red), var(--color-primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.floating-vectors {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.vector {
  position: absolute;
  width: 100px;
  height: 100px;
  opacity: 0.6;
}

.vector.v1 { top: 15%; left: 10%; width: 150px; height: 150px; }
.vector.v2 { top: 60%; right: 5%; width: 80px; height: 80px; }
.vector.v3 { bottom: 20%; left: 20%; width: 120px; height: 120px; }

/* Ensure content sits above floating vectors */
.hero-sequence, .services-section, .contact-section {
  position: relative;
  z-index: 1;
}
.nav-buttons {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.emergency-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: transparent;
  color: var(--color-white);
  padding: 0.65rem 1.2rem;
  border: 2px solid var(--color-white);
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.emergency-button:hover {
  background-color: var(--color-white);
  color: var(--color-primary-blue) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.2);
}

.theme-light .emergency-button {
  color: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
}

.theme-light .emergency-button:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white) !important;
  box-shadow: 0 4px 10px rgba(0, 48, 73, 0.3);
}

.cta-button {
  background-color: var(--color-primary-red);
  color: var(--color-white) !important;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
  background-color: #a00f19;
  transform: translateY(-2px);
}

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

.burger-menu span {
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  transition: all 0.3s;
}

/* ==========================================================================
   SECTION 1: HERO SCROLL SEQUENCE
   ========================================================================== */
.hero-sequence {
  position: relative;
  width: 100%;
}

.canvas-container {
  width: 100%;
  height: 100vh;
  position: sticky;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000;
  overflow: hidden;
  z-index: 1;
}

#sequence-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scroll-content {
  width: 100%;
  height: 400vh; /* Faster playback */
  position: relative;
  z-index: 2;
  margin-top: -100vh; /* Start at the top of the canvas */
}

/* Container to hold the text blocks fixed while scrolling */
.text-overlay-container {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  pointer-events: none; /* Let clicks pass through to canvas if needed */
}

.scene-text {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 50%; /* Right half */
  padding: 0 4rem;
  opacity: 0; /* Hidden by default, controlled by GSAP Timeline */
}

.scene-text h1, .scene-text h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--color-white), var(--color-primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0px 10px 20px rgba(0, 0, 0, 0.7));
}

.scene-text h1 {
  font-size: 3.5rem;
  background: linear-gradient(90deg, var(--color-primary-red), var(--color-white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.scene-text p {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: 1.25rem;
  color: #eeeeee;
  max-width: 600px;
  filter: drop-shadow(0px 5px 10px rgba(0, 0, 0, 0.5));
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-white);
  z-index: 100;
  opacity: 0.8;
  animation: fadeInOut 2s infinite alternate;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--color-white);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  margin-bottom: 8px;
}

.wheel {
  width: 3px;
  height: 6px;
  background: var(--color-white);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

@keyframes fadeInOut {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

.scroll-indicator p {
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0;
}

/* ==========================================================================
   SECTION 2: SERVICES
   ========================================================================== */
.services-section {
  padding: 8rem 0;
  background-color: var(--color-white);
  margin-top: -100vh; /* Overlap the hero section */
  position: relative;
  z-index: 20; /* Slide over the sticky canvas */
  box-shadow: 0 -20px 50px rgba(0,0,0,0.3); /* Add shadow to top edge */
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 3rem;
  color: var(--color-primary-blue);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--color-gray-medium);
}

.card-stack-container {
  display: flex;
  flex-direction: column;
  gap: 6rem; /* Creates the scrolling distance between cards */
  padding-bottom: 10vh;
}

.stack-card {
  position: sticky;
  top: 120px; /* Where it sticks below the nav */
  display: flex;
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
  min-height: 700px;
  border-top: 1px solid rgba(0,0,0,0.05);
  transform-origin: top center;
}

.card-image {
  width: 50%;
  position: relative;
}

.card-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  width: 50%;
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--color-white);
}

.service-icon {
  font-size: 3.5rem;
  color: var(--color-primary-red);
  margin-bottom: 1.5rem;
}

.stack-card h3 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary-blue);
  line-height: 1.2;
}

.stack-card p {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-gray-dark);
}

/* ==========================================================================
   SECTION: EXPERIENCE STATS
   ========================================================================== */
.experience-section {
  padding: 8rem 0 4rem 0;
  background-color: var(--color-white);
  position: relative;
  z-index: 20;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
  text-align: center;
}

.stat-box {
  padding: 2rem;
  background: var(--color-gray-light);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  transition: transform var(--transition-fast);
}

.stat-box:hover {
  transform: translateY(-5px);
}

.stat-number {
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--color-primary-red);
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: 'Poppins', sans-serif;
}

.stat-plus {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary-blue);
  vertical-align: top;
}

.stat-box p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.experience-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-gray-medium);
}

/* ==========================================================================
   SECTION: PROMO VIDEO
   ========================================================================== */
.promo-section {
  padding: 6rem 0;
  background-color: var(--color-gray-light);
  border-top: 1px solid rgba(0,0,0,0.05);
  position: relative;
  z-index: 20;
}

.video-container {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
  background-color: var(--color-dark);
  position: relative;
  cursor: pointer;
}

.video-container video {
  width: 100%;
  height: auto;
  display: block; /* Removes bottom space */
  outline: none;
}

.custom-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.2);
  z-index: 10;
}

.progress-fill {
  height: 100%;
  background-color: var(--color-primary-red);
  width: 0%;
  transition: width 0.1s linear;
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 6rem;
  opacity: 0.9;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 10;
  filter: drop-shadow(0 5px 15px rgba(0,0,0,0.5));
}

.play-overlay:hover {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.1);
}

.video-playing .play-overlay {
  opacity: 0;
  pointer-events: none;
}

/* ==========================================================================
   SECTION: DYNAMIC GALLERY
   ========================================================================== */
.gallery-section {
  padding: 6rem 0;
  background-color: var(--color-white);
  overflow: hidden;
  position: relative;
  z-index: 20;
}

.gallery-marquee {
  width: 100vw;
  overflow: hidden;
  position: relative;
  margin-top: 3rem;
}

.gallery-track {
  display: flex;
  gap: 2rem;
  width: fit-content;
  animation: marquee 30s linear infinite;
  padding-left: 2rem;
}

.gallery-item {
  width: 400px;
  height: 300px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  flex-shrink: 0;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 1rem)); } /* -50% shifts halfway through the duplicated items */
}

/* ==========================================================================
   SECTION 3: CONTACT FORM
   ========================================================================== */
.contact-section {
  padding: 8rem 0;
  background-color: var(--color-gray-light);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-info h2 {
  font-size: 3rem;
  color: var(--color-primary-blue);
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 1.2rem;
  color: var(--color-gray-medium);
  margin-bottom: 3rem;
}

.contact-details a {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.2rem;
  color: var(--color-dark);
  text-decoration: none;
  margin-bottom: 1.5rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.contact-details i {
  font-size: 1.5rem;
  color: var(--color-primary-red);
}

.contact-details a:hover {
  color: var(--color-primary-red);
}

/* Form Styles */
.contact-form-wrapper {
  background: var(--color-white);
  padding: 3rem;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-dark);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: #f9f9f9;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 48, 73, 0.1);
  background: var(--color-white);
}

/* Multi-select Pills */
.multi-select-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pill {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--color-gray-light);
  border: 1px solid #e0e0e0;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-gray-medium);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.pill input[type="checkbox"] {
  display: none;
}

/* Checked state handled via JS toggling a class, or via :has() */
.pill:has(input:checked) {
  background: var(--color-primary-blue);
  color: var(--color-white);
  border-color: var(--color-primary-blue);
  box-shadow: 0 4px 10px rgba(0, 48, 73, 0.2);
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--color-primary-red);
  transform: scale(1.2);
}

.submit-btn {
  width: 100%;
  background: var(--color-primary-red);
  color: var(--color-white);
  border: none;
  padding: 1.2rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  margin-top: 1rem;
}

.submit-btn:hover {
  background: #a00f19;
  transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 2rem 0;
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-content p {
  opacity: 0.8;
  margin: 0;
}

.footer-socials a {
  color: var(--color-white);
  font-size: 1.5rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.footer-socials a:hover {
  color: var(--color-primary-red);
  transform: translateY(-3px);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .cta-button {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-sequence {
    flex-direction: column;
  }
  
  .canvas-container {
    width: 100%;
    height: 100vh; /* keep full screen */
    position: sticky;
    top: 0; /* Below nav conceptually, but stick to top */
    z-index: 1;
  }
  
  #sequence-canvas {
    /* Ajuste milimétrico del encuadre */
    object-position: 9% 50%;
  }
  
  .scroll-content {
    width: 100%;
    margin-top: -100vh;
  }
  
  .scene-text {
    width: 100%;
    padding: 2rem;
    text-align: center;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  }
  
  .scene-text h1, .scene-text h2 {
    font-size: 2rem;
  }
  
  .scene-text p {
    font-size: 1rem;
  }

  .card-stack-container {
    gap: 2rem;
  }
  
  .stack-card {
    flex-direction: column;
    min-height: auto;
    top: 80px;
  }
  
  .card-image {
    width: 100%;
    height: 250px;
  }
  
  .card-content {
    width: 100%;
    padding: 2rem;
    text-align: center;
  }
  
  .stack-card h3 {
    font-size: 2rem;
  }

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

/* ==========================================================================
   DYNAMIC STYLES & VECTORS (ADDED FOR VIBRANCY)
   ========================================================================== */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

body.theme-light .gradient-text {
  background: linear-gradient(135deg, var(--color-primary-red), var(--color-primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.floating-vectors {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.vector {
  position: absolute;
  width: 100px;
  height: 100px;
  opacity: 0.6;
}

.vector.v1 { top: 15%; left: 10%; width: 150px; height: 150px; }
.vector.v2 { top: 60%; right: 5%; width: 80px; height: 80px; }
.vector.v3 { bottom: 20%; left: 20%; width: 120px; height: 120px; }

/* Ensure content sits above floating vectors */
.hero-sequence, .services-section, .contact-section {
  position: relative;
  z-index: 10;
}