/* Modern Professional Design - Devora Yazılım */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #1e40af;
  --primary-dark: #1e3a8a;
  --primary-light: #3b82f6;
  --secondary-color: #059669;
  --accent-color: #f59e0b;
  --dark-bg: #0f172a;
  --dark-surface: #1e293b;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);
  --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  --gradient-secondary: linear-gradient(135deg, #059669 0%, #10b981 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: #ffffff;
  overflow-x: hidden;
}

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

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.5rem;
}
h3 {
  font-size: 2rem;
}
h4 {
  font-size: 1.5rem;
}
h5 {
  font-size: 1.25rem;
}
h6 {
  font-size: 1rem;
}

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

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid var(--primary-color);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: all 0.3s ease;
  min-height: 80px;
  display: flex;
  align-items: center;
}

/* Mobile Slide Menu */
.mobile-slide-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 280px;
  height: 100vh;
  background: #1e293b;
  z-index: 2000;
  transition: all 0.3s ease;
  overflow-y: auto;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}

.mobile-slide-menu.active {
  left: 0;
}

.mobile-slide-header {
  padding: 1.5rem;
  background: #0f172a;
  border-bottom: 1px solid #334155;
  position: relative;
}

.mobile-slide-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-slide-close:hover {
  color: white;
  transform: scale(1.1);
}

.mobile-slide-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.mobile-slide-logo img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.mobile-slide-logo-text {
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
}

.mobile-slide-contact {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #334155;
}

.mobile-slide-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  color: #cbd5e1;
  text-decoration: none;
  transition: all 0.3s ease;
  border-radius: 6px;
  font-size: 0.9rem;
}

.mobile-slide-contact-item:hover {
  background: #334155;
  color: white;
}

.mobile-slide-contact-item i {
  font-size: 1rem;
  width: 16px;
  text-align: center;
}

.mobile-slide-nav {
  padding: 1rem 0;
}

.mobile-slide-nav-item {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.mobile-slide-nav-item:hover {
  background: #334155;
  color: white;
  border-left-color: #3b82f6;
}

.mobile-slide-nav-item.active {
  background: #1e40af;
  color: white;
  border-left-color: #60a5fa;
}

.mobile-slide-nav-item i {
  margin-right: 1rem;
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.mobile-slide-footer {
  padding: 1.5rem;
  border-top: 1px solid #334155;
  margin-top: auto;
}

.mobile-slide-social {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.mobile-slide-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #334155;
  border-radius: 50%;
  color: #cbd5e1;
  text-decoration: none;
  transition: all 0.3s ease;
}

.mobile-slide-social a:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
}

.mobile-slide-social i {
  font-size: 1.1rem;
}

.mobile-slide-copyright {
  text-align: center;
  color: #64748b;
  font-size: 0.8rem;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

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

/* Desktop Contact Info */
.desktop-contact {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-right: 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(30, 64, 175, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.contact-item:hover::before {
  left: 100%;
}

.contact-item:hover {
  color: var(--primary-color);
  background: rgba(30, 64, 175, 0.05);
  transform: translateY(-2px);
}

.contact-item i {
  font-size: 1rem;
  transition: all 0.3s ease;
}

.contact-item:hover i {
  color: var(--primary-color);
  transform: scale(1.1);
}

.contact-item span {
  font-weight: 600;
  letter-spacing: 0.5px;
}

.ai-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  margin-left: 0;
}

.logo-image {
  height: 80px;
  width: auto;
  transition: transform 0.3s ease;
}

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

.nav-links {
  display: none;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(30, 64, 175, 0.1);
}

.nav-link i {
  font-size: 1rem;
}

.mobile-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1001;
  width: 35px;
  height: 35px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 3px;
}

.mobile-menu:hover {
  background: rgba(30, 64, 175, 0.1);
}

.mobile-menu.active {
  background: rgba(30, 64, 175, 0.15);
}

/* Hamburger Lines */
.hamburger-line {
  width: 20px;
  height: 2px;
  background: var(--primary-color);
  border-radius: 1px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.mobile-menu:hover .hamburger-line {
  background: var(--primary-dark);
}

.mobile-menu.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-menu.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
  padding: 12rem 0 6rem;
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  color: white;
  position: relative;
  overflow: hidden;
  margin-top: 0;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
  background-size: cover;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  color: white;
  line-height: 1.6;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.2rem 2.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  border: 4px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease;
}

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

/* Sections */
section {
  padding: 6rem 0;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

/* About Section */
.about {
  background: #f8fafc;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.team-member {
  text-align: center;
}

.member-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
}

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

.member-role {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.member-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  font-weight: 500;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
}

.stat-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.stat-card h3 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

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

.service-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-align: center;
}

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

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  text-align: left;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

/* Contact Section */
.contact {
  background: #f8fafc;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.contact-form {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

/* Footer */
footer {
  background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
  color: white;
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,0 1000,1000 0,1000"/></svg>');
  background-size: cover;
  pointer-events: none;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.footer-info h3 {
  margin-bottom: 1rem;
  color: white;
  font-weight: 700;
}

.footer-info p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  align-items: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.social-link:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.3);
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .mobile-menu {
    display: flex;
  }

  .desktop-contact {
    display: none;
  }

  .nav-links {
    display: none;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-content h1 {
    font-size: 2.8rem;
    line-height: 1.2;
  }

  .hero-content p {
    font-size: 1.2rem;
  }

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

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

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

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

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

  .section-title {
    font-size: 2rem;
  }

  .section-subtitle {
    font-size: 1.1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .service-card {
    padding: 1.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .form-input {
    padding: 0.875rem;
    font-size: 16px; /* Prevent zoom on iOS */
  }
}

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

  .hero {
    padding: 6rem 0 4rem;
  }

  .hero-content h1 {
    font-size: 2rem;
    line-height: 1.3;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    width: 100%;
  }

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

  .stat-card {
    padding: 1.5rem;
  }

  .stat-card h3 {
    font-size: 2rem;
  }

  .service-card {
    padding: 1.25rem;
  }

  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .contact-form {
    padding: 1.25rem;
  }

  .info-item {
    padding: 1rem;
  }

  .member-avatar {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }

  .member-name {
    font-size: 1.3rem;
  }

  .member-stats {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .navbar {
    padding: 0.75rem 0;
  }

  .logo-image {
    height: 70px;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* WhatsApp Floating 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;
  color: white;
  font-size: 2rem;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  z-index: 1000;
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
  background: #128c7e;
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  color: white;
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #25d366;
  animation: whatsapp-ripple 2s infinite;
  z-index: -1;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
  }
  100% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
}

@keyframes whatsapp-ripple {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* WhatsApp Tooltip */
.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: #333;
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 5px solid #333;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* Mobile WhatsApp Button */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 55px;
    height: 55px;
    font-size: 1.8rem;
    bottom: 15px;
    right: 15px;
  }

  .whatsapp-tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    font-size: 1.6rem;
    bottom: 10px;
    right: 10px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mb-1 {
  margin-bottom: 0.25rem;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-3 {
  margin-bottom: 1rem;
}
.mb-4 {
  margin-bottom: 1.5rem;
}
.mb-5 {
  margin-bottom: 3rem;
}

.mt-1 {
  margin-top: 0.25rem;
}
.mt-2 {
  margin-top: 0.5rem;
}
.mt-3 {
  margin-top: 1rem;
}
.mt-4 {
  margin-top: 1.5rem;
}
.mt-5 {
  margin-top: 3rem;
}

.p-1 {
  padding: 0.25rem;
}
.p-2 {
  padding: 0.5rem;
}
.p-3 {
  padding: 1rem;
}
.p-4 {
  padding: 1.5rem;
}
.p-5 {
  padding: 3rem;
}

/* References Section */
.references {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.references::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(30,64,175,0.03)" points="0,1000 1000,0 1000,1000"/></svg>');
  background-size: cover;
  pointer-events: none;
}

.references-preview {
  margin-top: 3rem;
  position: relative;
  z-index: 2;
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.reference-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  position: relative;
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
  transform: translateY(30px);
}

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

.reference-card:nth-child(1) {
  animation-delay: 0.1s;
}
.reference-card:nth-child(2) {
  animation-delay: 0.2s;
}
.reference-card:nth-child(3) {
  animation-delay: 0.3s;
}

.reference-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.reference-image {
  width: 100%;
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.reference-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.reference-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
}

.reference-image-placeholder span {
  font-size: 0.9rem;
  margin-top: 0.5rem;
  opacity: 0.8;
}

.reference-content {
  padding: 1.5rem;
}

.reference-tech {
  display: inline-block;
  background: var(--gradient-secondary);
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.reference-description {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.reference-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: rgba(30, 64, 175, 0.1);
}

.reference-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.references-cta {
  text-align: center;
  margin-top: 2rem;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
  transform: translateY(30px);
}

.references-empty {
  text-align: center;
  padding: 3rem 2rem;
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.references-empty i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.references-empty h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 700;
}

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

/* Responsive References */
@media (max-width: 768px) {
  .references-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .reference-card {
    margin: 0 1rem;
  }

  .reference-content {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .references {
    padding: 3rem 0;
  }

  .reference-image {
    height: 180px;
  }

  .reference-content {
    padding: 1rem;
  }

  .references-empty {
    margin: 0 1rem;
    padding: 2rem 1rem;
  }
}