@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Brand Colors - Dark Cinematic Corporate Theme */
  --bg-dark: #0A0F1A;
  --bg-card: rgba(29, 36, 51, 0.6); /* #1D2433 based */
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  
  --text-primary: #ffffff;
  --text-secondary: #B0B5C0; /* Light elegant gray */
  
  --accent-primary: #ffffff; /* Clean white for contrast */
  --text-on-accent: #1D2433; /* Corporate Navy */
  --accent-hover: #e2e8f0;
  --accent-glow: rgba(255, 255, 255, 0.15);

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

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease-in-out;
  
  /* Layout */
  --max-width: 1400px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* Glassmorphism */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-glow);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5), 0 0 20px var(--accent-glow);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

.section {
  padding: 100px 0;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  border: none;
  outline: none;
  gap: 8px;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
}

.header.scrolled {
  background: rgba(5, 5, 7, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: 1px;
}

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

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

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

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

/* Dropdown Menus */
.dropdown {
  position: relative;
  padding-bottom: 10px; /* Bridge gap for hover */
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  min-width: 220px;
  padding: 1rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: var(--transition-smooth);
  list-style: none;
  box-shadow: 0 15px 40px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  width: 100%;
}

.dropdown-menu a {
  padding: 0.8rem 1.5rem;
  display: block;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.dropdown-menu a::after {
  display: none;
}

.dropdown-menu a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--accent-primary);
  padding-left: 2rem;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
  z-index: 1000;
  transition: var(--transition-smooth);
  text-decoration: none;
  animation: pulse-wa 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(10deg);
}

@keyframes pulse-wa {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.pt-2 { padding-top: 1rem; }
.w-100 { width: 100%; }
.max-w-700 { max-width: 700px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  text-align: left;
  padding: 2.5rem 2rem;
}

.service-icon {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Catalog Visual / Masonry */
.catalog-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 8px 24px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: var(--font-body);
  font-weight: 500;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary);
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-auto-rows: 250px;
  gap: 1.5rem;
  grid-auto-flow: dense;
}

.masonry-item {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
}

.masonry-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.masonry-item:nth-child(2) { grid-row: span 2; }
.masonry-item:nth-child(4) { grid-column: span 2; }

@media (max-width: 768px) {
  .masonry-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
}

.masonry-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

.item-overlay span {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.masonry-item:hover img {
  transform: scale(1.08);
}

.masonry-item:hover .item-overlay {
  opacity: 1;
}

.masonry-item:hover .item-overlay span {
  transform: translateY(0);
}

/* Client Carousel */
.client-carousel {
  overflow: hidden;
  padding: 2rem 0;
  width: 100%;
  position: relative;
}

.client-carousel::before,
.client-carousel::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
}

.client-carousel::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-dark), transparent);
}

.client-carousel::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-dark), transparent);
}

.carousel-track {
  display: flex;
  width: calc(250px * 10);
  animation: scroll 20s linear infinite;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-250px * 5)); }
}

.client-logo {
  width: 250px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 1rem;
  border-radius: 16px;
  font-size: 3rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.client-logo:hover {
  color: var(--accent-primary);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-item i {
  font-size: 2rem;
  background: var(--bg-card);
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--border-glass);
}

.contact-item h4 {
  margin-bottom: 0.25rem;
  color: #fff;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.form-control {
  width: 100%;
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

/* Footer */
.full-footer {
  background: rgba(0,0,0,0.5);
  border-top: 1px solid var(--border-glass);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  transition: var(--transition-fast);
  border: 1px solid var(--border-glass);
}

.social-links a:hover {
  background: var(--accent-primary);
  color: var(--text-on-accent);
}

.footer-links h3 {
  color: #fff;
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-glass);
}

/* Responsive */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}