/* ============================================
   NILPEST SERVICES - Modern Construction Theme
   ============================================ */

/* CSS Custom Properties */
:root {
  --color-white: #FFFFFF;
  --color-bg: #FAF8F3;
  --color-grey: #F2F2F2;
  --color-primary-text: #1F1F1F;
  --color-body-text: #444444;
  --color-muted-text: #7A7A7A;
  --color-accent: #FF7A00;
  --color-accent-hover: #E66C00;
  --color-black: #000000;
  --spacing-xs: 1rem;
  --spacing-sm: 2rem;
  --spacing-md: 4rem;
  --spacing-lg: 6rem;
  --spacing-xl: 8rem;
  --max-width: 1280px;
  --transition: 0.3s ease-out;
  --shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(255, 122, 0, 0.2);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  color: var(--color-body-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-primary-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

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

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-body-text);
}

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

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

section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-bottom: var(--spacing-xs);
}

.section-header p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-muted-text);
}

.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-xs);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-xs) 0;
  background-color: transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-text);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-menu li a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary-text);
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-text);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  font-weight: 600;
}

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

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: 12px;
  padding: var(--spacing-md);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-white);
  border-radius: 16px;
  padding: var(--spacing-md);
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg,
.service-icon i[data-feather] {
  width: 64px;
  height: 64px;
  stroke: var(--color-primary-text);
  transition: var(--transition);
}

.service-card:hover .service-icon svg,
.service-card:hover .service-icon i[data-feather] {
  stroke: var(--color-accent);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-text);
}

.service-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-body-text);
}

.service-card {
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(255, 122, 0, 0.15);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
  background: linear-gradient(to bottom, var(--color-bg) 0%, rgba(242, 242, 242, 0.5) 100%);
}

.hero h1::after {
  display: none;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease-out 0.3s forwards;
}

.hero h1 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-text);
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-body-text);
}

/* Hero Slider */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.hero-slider-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

.hero-slide-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: center;
  color: var(--color-white);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease-out 0.5s forwards;
}

.hero-slide.active .hero-slide-content {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-slide-content h1::after {
  display: none;
}

.hero-slide-content p {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* Slider Navigation Arrows */
.hero-slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-slider-nav:hover {
  background-color: var(--color-accent);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 15px rgba(255, 122, 0, 0.4);
}

.hero-slider-nav svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-text);
  transition: var(--transition);
}

.hero-slider-nav:hover svg {
  stroke: var(--color-white);
}

.hero-slider-prev {
  left: var(--spacing-md);
}

.hero-slider-next {
  right: var(--spacing-md);
}

/* Slider Dots */
.hero-slider-dots {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 10;
}

.hero-slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background-color: transparent;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.hero-slider-dot:hover,
.hero-slider-dot.active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  transform: scale(1.2);
}

/* CTA Banner */
.cta-banner {
  background-color: var(--color-grey);
  color: var(--color-primary-text);
  padding: var(--spacing-lg) 0;
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.cta-banner h2 {
  color: var(--color-primary-text);
  margin-bottom: var(--spacing-xs);
}

.cta-banner h2::after {
  display: none;
}

.cta-banner p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-body-text);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
}

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

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

/* Video Gallery */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.video-item {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.video-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.video-play-button svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-accent);
  fill: var(--color-accent);
  margin-left: 4px;
}

.video-item:hover .video-play-button {
  transform: translate(-50%, -50%) scale(1.1);
  background-color: var(--color-white);
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.contact-item svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-item h4 {
  margin-bottom: 0.5rem;
}

.contact-item p {
  font-size: 1rem;
  margin: 0;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Map */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: 12px;
  overflow: hidden;
  margin-top: var(--spacing-lg);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox-content img {
  width: 100%;
  height: auto;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 0.5rem;
}

.lightbox-close svg {
  width: 32px;
  height: 32px;
}

/* Video Modal */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.video-modal.active {
  display: flex;
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 1200px;
  aspect-ratio: 16 / 9;
}

.video-modal-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 0.5rem;
}

.video-modal-close svg {
  width: 32px;
  height: 32px;
}

/* WhatsApp Button */
.whatsapp-button {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
  opacity: 0;
  animation: fadeIn 0.5s ease-out 1s forwards;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  background-color: #20BA5A;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-button svg {
  width: 32px;
  height: 32px;
  fill: var(--color-white);
  color: var(--color-white);
}

/* Animations */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

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

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

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-md);
}

.feature-card svg,
.feature-card i[data-feather] {
  width: 48px;
  height: 48px;
  stroke: var(--color-primary-text);
  transition: var(--transition);
  margin-bottom: var(--spacing-xs);
}

.feature-card:hover svg,
.feature-card:hover i[data-feather] {
  stroke: var(--color-accent);
}

.feature-card h3 {
  margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .services-grid,
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

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

  .mobile-menu-toggle {
    display: block;
  }

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

  .hero {
    min-height: 80vh;
    padding: var(--spacing-lg) 0;
  }

  .hero-slider {
    height: 80vh;
  }

  .hero-slider-nav {
    width: 40px;
    height: 40px;
  }

  .hero-slider-nav svg {
    width: 20px;
    height: 20px;
  }

  .hero-slider-prev {
    left: var(--spacing-xs);
  }

  .hero-slider-next {
    right: var(--spacing-xs);
  }

  .hero-slider-dots {
    bottom: var(--spacing-sm);
  }

  .hero-slide-content h1 {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero-slide-content p {
    font-size: 1.25rem;
  }

  .section-header p {
    font-size: 1.1rem;
  }

  .section-header h2::after {
    width: 40px;
  }

  .whatsapp-button {
    width: 56px;
    height: 56px;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
  }

  .whatsapp-button svg {
    width: 28px;
    height: 28px;
    fill: var(--color-white);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }

  section {
    padding: var(--spacing-md) 0;
  }
}