/* ================================
   Modern Sultec Site - Global Styles
   ================================ */

:root {
  --primary: #0079c1;
  --primary-dark: #005fa3;
  --accent: #00a8e8;
  --dark: #0b1423;
  --dark-light: #1a2940;
  --gray-light: #f0f4f8;
  --gray-medium: #6b7b8f;
  --white: #ffffff;
  --border-radius: 12px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ================================
   Header & Navigation
   ================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  animation: slideDown 0.5s ease;
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  height: 50px;
  object-fit: contain;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 6px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ================================
   Hero Section
   ================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.hero-background {
  position: absolute;
  inset: 0;
  animation: wave 15s linear infinite;
}

@keyframes wave {
  0% { background-position: 0 0; }
  100% { background-position: 300px 0; }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--white);
  animation: fadeInUp 1s ease 0.3s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ================================
   Buttons
   ================================ */

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 121, 193, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
}

/* ================================
   Sections
   ================================ */

section {
  padding: 5rem 0;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: 1rem;
  color: var(--dark);
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-medium);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

/* ================================
   About Section
   ================================ */

.about-section {
  background: linear-gradient(to bottom, var(--gray-light), var(--white));
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.about-intro {
  font-size: 1.3rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.about-desc {
  color: var(--gray-medium);
  margin-bottom: 1.5rem;
}

.features-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.features-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 0.75rem;
  border-radius: 8px;
  transition: var(--transition);
}

.features-list li:hover {
  background: rgba(0, 121, 193, 0.1);
  transform: translateX(5px);
}

.feature-icon {
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--gray-medium);
}

/* ================================
   Products Section
   ================================ */

.products-section {
  background: var(--white);
}

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

.product-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--gray-light);
  transition: var(--transition);
}

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

.product-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.product-desc {
  color: var(--gray-medium);
  font-size: 0.9rem;
  flex: 1;
  margin-bottom: 1rem;
  max-height: 120px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.product-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.product-link:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

/* ================================
   Projects Section
   ================================ */

.projects-section {
  background: linear-gradient(to bottom, var(--white), var(--gray-light));
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: var(--gray-light);
  transition: var(--transition);
}

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

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

/* ================================
   Gallery & Carousel
   ================================ */

.gallery-section {
  background: var(--dark-light);
  color: var(--white);
}

.gallery-section .section-title {
  color: var(--white);
}

.carousel {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

.carousel-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.carousel-btn:hover {
  background: var(--primary);
  transform: scale(1.1);
}

.carousel-btn svg {
  width: 24px;
  height: 24px;
}

.carousel-viewport {
  flex: 1;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
  min-width: 100%;
  height: 600px;
  background: var(--gray-light);
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition);
}

.carousel-slide:hover img {
  transform: scale(1.05);
}

.carousel-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem;
  color: #fff;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 40%, rgba(0,0,0,0.7) 100%);
  border-radius: 0 0 12px 12px;
}

.carousel-caption h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background: var(--primary);
  width: 20px;
  border-radius: 6px;
}



.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 2s ease, visibility 2s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-container {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  max-width: 90%;
  max-height: 90%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2.5rem;
  background: none;
  border: none;
  color: var(--dark);
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover {
  transform: scale(1.2);
  color: var(--accent);
}

/* ================================
   Contact Section
   ================================ */

.contact-section {
  background: linear-gradient(135deg, var(--dark-light) 0%, var(--dark) 100%);
  color: var(--white);
}

.contact-section .section-title {
  color: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.contact-form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: 6px;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.contact-item {
  margin-bottom: 1.5rem;
}

.contact-item a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

.contact-item a:hover {
  color: var(--white);
}

/* ================================
   Footer
   ================================ */

.footer {
  background: var(--dark);
  color: var(--white);
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  text-align: center;
  opacity: 0.9;
}

.heart {
  color: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* ================================
   Responsive Design
   ================================ */

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

  .nav-menu {
    position: fixed;
    top: 70px;
    right: -300px;
    width: 280px;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transition: right 0.3s ease;
  }

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

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

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

  .carousel {
    flex-direction: column;
  }

  .carousel-slide {
    height: 600px;
  }

  section {
    padding: 3rem 0;
  }
}

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

  .carousel-btn {
    display: none;
  }

  .carousel-slide {
    height: 200px;
  }

  .contact-form {
    padding: 1.5rem;
  }
}
.card img{height:220px;border-radius:10px 10px 0 0}
.card h3{font-size:1.05rem}
.card p{flex:1;margin-top:.5rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .more{margin-top:1rem;align-self:flex-start}


/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0.75rem}
.gallery-grid img{width:100%;height:220px;object-fit:cover;border-radius:10px}
.galeria-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0.5rem}
.thumb{background:none;border:0;padding:0}
.thumb img{width:100%;height:120px;object-fit:cover;border-radius:8px}
.lightbox{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(5,8,12,0.6);visibility:hidden;opacity:0;transition:opacity .28s}
.lightbox[aria-hidden="false"]{visibility:visible;opacity:1}
.lb-img{max-width:90%;max-height:80%;border-radius:8px;box-shadow:0 30px 60px rgba(2,8,23,0.6)}
.lb-close{position:fixed;top:20px;right:20px;background:transparent;border:0;color:white;font-size:2.2rem}

/* Carousel styles */
.carousel{display:flex;align-items:center;gap:0.75rem;position:relative}
.carousel-track-wrap{overflow:hidden;border-radius:12px;flex:1}
.carousel-track{display:flex;gap:0.5rem;margin:0;padding:0;list-style:none;transition:transform .45s ease}
.carousel-track .slide{min-width:100%;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.carousel-track .slide img{width:100%;height:360px;object-fit:contain;border-radius:12px}
.carousel-btn{background:rgba(255,255,255,0.95);border:1px solid rgba(11,26,35,0.06);padding:.5rem 0.9rem;border-radius:10px;font-size:1.6rem;cursor:pointer}
.carousel-btn:active{transform:scale(.98)}
.carousel .dots{display:flex;gap:.4rem;justify-content:center;margin-top:.6rem}

/* Carousel caption overlay and dots */
.carousel .slide{position:relative}
.carousel .caption{position:absolute;left:0;right:0;bottom:0;padding:.9rem 1rem;color:#fff;background:linear-gradient(180deg,rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 40%, rgba(0,0,0,0.7) 100%);border-radius:0 0 12px 12px}
.carousel .caption h4{margin:0;font-size:1.05rem}
.carousel .caption p{margin:0;font-size:.9rem;color:rgba(255,255,255,0.9)}
.dot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,0.6);border:0;cursor:pointer}
.dot.active{background:var(--brand)}
.carousel:hover .carousel-btn{opacity:0.98}


/* Contact grid */
.contact-grid{display:grid;grid-template-columns:1fr 320px;gap:1.25rem}
.form{background:var(--card);padding:1rem;border-radius:12px;box-shadow:0 6px 20px rgba(11,26,35,0.04)}
.form label{display:block;margin-top:.6rem;font-weight:600}
.form input,.form textarea{width:100%;padding:.6rem;border-radius:8px;border:1px solid rgba(11,26,35,0.06);margin-top:.25rem}
.form-actions{display:flex;gap:.5rem;align-items:center;margin-top:1rem}
.contact-info{background:transparent;padding:1rem}

/* Footer */
.site-footer{background:#fff;padding:.75rem 0;border-top:1px solid rgba(11,26,35,0.04)}
.footer-inner{display:flex;justify-content:space-between;gap:1rem;align-items:center}

/* Responsive */
@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  #nav-toggle{display:inline-block}
  .main-nav{position:fixed;inset:64px 12px auto auto;right:12px;background:#fff;padding:1rem;border-radius:12px;box-shadow:0 10px 40px rgba(2,8,23,0.12);display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column}
  .grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .brand img{height:44px}
}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* Custom Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
  transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

::-webkit-scrollbar-corner {
  background: var(--gray-light);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(100px);
}

.whatsapp-float.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.whatsapp-float a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  border-radius: 50%;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 15px;
    right: 15px;
    width: 55px;
    height: 55px;
  }
}
/* ================================
   Manuals Section
   ================================ */

.manuais-section {
  background: var(--white);
  padding: 5rem 0;
}

.manuais-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.manual-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.manual-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.manual-icon {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.manual-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 1rem;
}

.manual-description {
  color: var(--gray-medium);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.manual-category {
  display: inline-block;
  background: rgba(0, 121, 193, 0.1);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.manual-download {
  margin-top: auto;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
}

/* Responsive adjustments for manuals */
@media (max-width: 768px) {
  .manuais-grid {
    grid-template-columns: 1fr;
  }
}