:root {
  --primary: #0a0a0a;
  --primary-light: #1a1a1a;
  --secondary: #f8f8f8;
  --accent: #1a1a1a;
  --accent-light: #2a2a2a;
  --text-primary: #171717;
  --text-secondary: #525252;
  --text-muted: #737373;
  --border: #e5e5e5;
  --border-light: #f5f5f5;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--white);
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-light);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 80px;
}

.logo {
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: var(--transition);
}

.logo img {
  width: 170px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 3rem;
  margin: 0;
  transition: var(--transition);
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-menu a:hover {
  color: var(--text-primary);
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-primary);
  z-index: 1001;
}

/* Mobile Menu Styles */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 6rem 2rem 2rem;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
}

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

.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-menu li {
  margin-bottom: 1.5rem;
}

.mobile-menu a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
  padding-left: 1rem;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
}

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

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
}

.hero-bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.5) 100%
  );
  z-index: 1;
}

.hero-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at center,
      rgba(0, 0, 0, 0.3) 0%,
      rgba(0, 0, 0, 0.6) 70%
    ),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.8) 100%);
  z-index: 2;
}

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  z-index: 100;
}

.hero-nav:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.hero-prev {
  left: 2rem;
}

.hero-next {
  right: 2rem;
}

.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 100;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.hero-dot.active {
  background: var(--white);
  transform: scale(1.3);
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
  animation: fadeInUp 1s ease-out;
  position: relative;
  z-index: 10;
  color: var(--white);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--white);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-highlight {
  background: linear-gradient(135deg, #333333 0%, #555555 50%, #444444 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(26, 26, 26, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(42, 42, 42, 0.5), 0 4px 15px rgba(0, 0, 0, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* Section Styles */
.section {
  padding: 8rem 0;
}

.section:nth-child(even) {
  background: var(--secondary);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
}

.section-badge {
  display: inline-block;
  background: rgba(26, 26, 26, 0.1);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(26, 26, 26, 0.2);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(26, 26, 26, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-light) 100%
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--white);
  font-size: 1.5rem;
}

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

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition-slow);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-header {
  padding: 2rem 2rem 0;
  position: relative;
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.product-subtitle {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.product-features {
  padding: 0 2rem;
  margin-bottom: 2rem;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list .check {
  color: var(--accent);
  font-weight: 600;
}

.product-footer {
  padding: 0 2rem 2rem;
}

.product-action {
  width: 100%;
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 1rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.product-action:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

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

.contact-info {
  padding: 2rem 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-details h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--primary);
}

.contact-details p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

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

.form-submit {
  width: 100%;
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 1rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.form-submit:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* Footer */
.footer {
  background: var(--primary);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 1.5rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }

  .portfolio-filters {
    gap: 0.75rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-nav {
    width: 45px;
    height: 45px;
    font-size: 1rem;
	  opacity:0.2;
  }

  .hero-prev {
    left: 1rem;
  }

  .hero-next {
    right: 1rem;
  }

  .hero-dots {
    bottom: 1.5rem;
    gap: 0.75rem;
  }

  .hero-dot {
    width: 10px;
    height: 10px;
  }

  .hero-content {
    padding: 0 1.5rem;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

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

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

  .portfolio-filters {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .portfolio-filters .filter-btn {
    width: 200px;
    text-align: center;
  }

  .portfolio-modal-content {
    max-width: 95vw;
    margin: 1rem;
  }

  .portfolio-modal-image {
    height: 250px;
  }

  .portfolio-modal-info {
    padding: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero-content {
    padding: 0 1rem;
  }

  .feature-card,
  .contact-form {
    padding: 2rem;
  }

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

  .portfolio-info {
    padding: 1.5rem;
  }

  .portfolio-specs {
    flex-direction: column;
    gap: 0.5rem;
  }

  .portfolio-filters .filter-btn {
    width: 180px;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }

  .portfolio-modal-info {
    padding: 1rem;
  }

  .info-modal-content {
    max-width: 95vw;
    margin: 1rem;
  }

  .info-modal-header {
    padding: 1.5rem 1.5rem 1rem;
  }

  .info-modal-body {
    padding: 1.5rem;
    max-height: 70vh;
  }

  .loader-logo {
    font-size: 3rem;
    margin-bottom: 1.5rem;
  }

  .loader-text {
    font-size: 1rem;
    margin-bottom: 2rem;
    padding: 0 1rem;
  }

  .loader-progress {
    width: 250px;
    margin-top: 2rem;
  }

  .loader-subtitle {
    font-size: 0.8rem;
    padding: 0 1rem;
    text-align: center;
  }
}

/* Loading Animation */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-light) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  font-size: 4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
  animation: logoGlow 2s ease-in-out infinite alternate;
}

@keyframes logoGlow {
  from {
    text-shadow: 0 0 20px rgba(26, 26, 26, 0.5);
    transform: scale(1);
  }
  to {
    text-shadow: 0 0 30px rgba(42, 42, 42, 0.8), 0 0 60px rgba(26, 26, 26, 0.4);
    transform: scale(1.02);
  }
}

.loader-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 3rem;
  text-align: center;
  line-height: 1.6;
}

.loader-spinner {
  position: relative;
  width: 80px;
  height: 80px;
}

.spinner-ring {
  position: absolute;
  width: 80px;
  height: 80px;
  border: 3px solid transparent;
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

.spinner-ring:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 10px;
  left: 10px;
  border-top-color: var(--accent-light);
  animation-duration: 1.8s;
  animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
  width: 40px;
  height: 40px;
  top: 20px;
  left: 20px;
  border-top-color: rgba(26, 26, 26, 0.6);
  animation-duration: 2.4s;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loader-progress {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin-top: 3rem;
  overflow: hidden;
  position: relative;
}

.loader-progress-bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent-light) 100%
  );
  border-radius: 2px;
  width: 0%;
  animation: progressFill 4s ease-out forwards;
  position: relative;
}

.loader-progress-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: progressShine 2.5s ease-in-out infinite;
}

@keyframes progressFill {
  0% {
    width: 0%;
  }
  12% {
    width: 5%;
  }
  25% {
    width: 20%;
  }
  37% {
    width: 35%;
  }
  50% {
    width: 55%;
  }
  62% {
    width: 70%;
  }
  75% {
    width: 85%;
  }
  87% {
    width: 95%;
  }
  100% {
    width: 100%;
  }
}

@keyframes progressShine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(400px);
  }
}

.loader-subtitle {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin-top: 1rem;
  font-weight: 400;
}

/* Features Section */
#ozellikler {
  position: relative;
  background-color: #ffffff;
}

/* Portfolio Section */
.portfolio {
  padding: 100px 0;
  background: var(--white);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

.portfolio-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  position: relative;
  width: 100%;
  height: 280px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.portfolio-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.3) 100%
  );
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-image::before {
  opacity: 1;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
  visibility: visible;
}

.portfolio-overlay-content {
  text-align: center;
  color: var(--white);
  transform: translateY(20px);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay-content {
  transform: translateY(0);
}

.portfolio-overlay h4 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-overlay p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.portfolio-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.portfolio-view-btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

.portfolio-info {
  padding: 2rem;
}

.portfolio-category {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.portfolio-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.portfolio-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-specs {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
}

.portfolio-spec {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--text-muted);
}

.portfolio-spec i {
  color: var(--accent);
}

/* Portfolio Modal */
.portfolio-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.portfolio-modal.active {
  opacity: 1;
  visibility: visible;
}

.portfolio-modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transform: scale(0.8);
  transition: var(--transition);
}

.portfolio-modal.active .portfolio-modal-content {
  transform: scale(1);
}

.portfolio-modal-image {
  width: 100%;
  height: 500px;
  background-size: cover;
  background-position: center;
}

.portfolio-modal-info {
  padding: 2rem;
}

.portfolio-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.portfolio-modal-close:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

/* Info Modal Styles */
.info-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.info-modal.active {
  opacity: 1;
  visibility: visible;
}

.info-modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transform: scale(0.8);
  transition: var(--transition);
  box-shadow: var(--shadow-xl);
}

.info-modal.active .info-modal-content {
  transform: scale(1);
}

.info-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
  z-index: 10;
}

.info-modal-close:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

.info-modal-header {
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--border-light);
  background: var(--secondary);
}

.info-modal-header h3 {
  margin: 0;
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.info-modal-body {
  padding: 2rem;
  max-height: 60vh;
  overflow-y: auto;
  line-height: 1.6;
}

.info-modal-body h3 {
  color: var(--primary);
  margin: 1.5rem 0 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.info-modal-body h4 {
  color: var(--text-primary);
  margin: 1rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.info-modal-body p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.info-modal-body ul,
.info-modal-body ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.info-modal-body li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.info-modal-body .highlight-box {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.info-modal-body .highlight-box h4 {
  color: var(--accent);
  margin-top: 0;
}

.info-modal-body .steps-list {
  counter-reset: step-counter;
  list-style: none;
  padding-left: 0;
}

.info-modal-body .steps-list li {
  counter-increment: step-counter;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1rem;
}

.info-modal-body .steps-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.info-modal-body .dealer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.info-modal-body .dealer-card {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.info-modal-body .dealer-card h4 {
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.info-modal-body .dealer-card p {
  margin: 0.25rem 0;
  font-size: 0.9rem;
}

/* Micro Interactions */
.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale {
  transition: var(--transition);
}

.hover-scale:hover {
  transform: scale(1.02);
}

/* Form Message Container Styles */
#form-message-container .form-message {
  padding: 15px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  transition: opacity 0.3s ease-in-out;
  opacity: 0;
}

#form-message-container .form-message.show {
  opacity: 1;
}

#form-message-container .form-message.success {
  background-color: #d1fae5; /* green-100 */
  color: #065f46; /* green-800 */
  border: 1px solid #6ee7b7; /* green-300 */
}

#form-message-container .form-message.error {
  background-color: #fee2e2; /* red-100 */
  color: #991b1b; /* red-800 */
  border: 1px solid #fca5a5; /* red-300 */
}