@font-face {
  font-family: iranian-sans;
  src: url(./../font/IRANSansX-Medium.woff2);
}

:root {
  --primary-black: #000000;
  --secondary-black: #1a1a1a;
  --accent-black: #2d2d2d;
  --light-bg: #fafafa;
  --pure-white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --gradient-primary: linear-gradient(135deg, #000000 0%, #434343 100%);
  --gradient-light: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  --gradient-accent: linear-gradient(45deg, #000000, #333333, #000000);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.25);
  --border-radius: 16px;
  --border-radius-lg: 24px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: iranian-sans, sans-serif;
  background: var(--light-bg);
  color: var(--primary-black);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 400;
}

/* Advanced Background with Particles */
.particle-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: var(--gradient-light);
}

.particles-container {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.particle {
  position: absolute;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat 15s infinite linear;
}

.particle:nth-child(odd) {
  background: rgba(0, 0, 0, 0.02);
  animation-duration: 20s;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) translateX(0) rotate(0deg);
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  90% {
    opacity: 1;
  }

  100% {
    transform: translateY(-100px) translateX(100px) rotate(360deg);
    opacity: 0;
  }
}

/* Mesh Gradient Background */
.mesh-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(0, 0, 0, 0.02) 0%,
      transparent 50%
    ),
    radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }

  50% {
    transform: scale(1.1) rotate(180deg);
  }
}

/* Advanced Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.8) !important;
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  padding: 1.2rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(255, 255, 255, 0.95) !important;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: iranian-sans, sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-black) !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.nav-link {
  color: var(--primary-black) !important;
  font-weight: 500;
  margin: 0 0.8rem;
  position: relative;
  transition: var(--transition);
  font-size: 0.95rem;
}

.nav-link:hover {
  color: var(--gray-600) !important;
  transform: translateY(-1px);
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -8px;
  left: 50%;
  background: var(--primary-black);
  transition: var(--transition);
  transform: translateX(-50%);
}

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

.nav-cta {
  background: var(--primary-black) !important;
  color: white !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  margin-left: 1rem !important;
  transition: var(--transition) !important;
}

.nav-cta:hover {
  background: var(--secondary-black) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
  color: white !important;
}

/* Hero Section - Completely Redesigned */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 4rem;
}

.hero-content {
  z-index: 10;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.05);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 2rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.hero-title {
  font-family: iranian-sans, sans-serif;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--gray-600);
  margin-bottom: 3rem;
  line-height: 1.7;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary-hero {
  background: var(--primary-black);
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  color: white;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary-hero:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.btn-primary-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s;
}

.btn-primary-hero:hover::before {
  left: 100%;
}

.btn-secondary-hero {
  background: transparent;
  border: 2px solid var(--primary-black);
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  color: var(--primary-black);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary-hero:hover {
  background: var(--primary-black);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Advanced 3D Hero Visual */
.hero-visual {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-cards-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.floating-card {
  position: absolute;
  width: 280px;
  height: 160px;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.floating-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
}

.floating-card.card-1 {
  top: 10%;
  left: 10%;
  animation: float1 6s ease-in-out infinite;
  background: linear-gradient(135deg, #000000 0%, #333333 100%);
  color: white;
}

.floating-card.card-2 {
  top: 30%;
  right: 5%;
  animation: float2 8s ease-in-out infinite;
  animation-delay: -2s;
}

.floating-card.card-3 {
  bottom: 20%;
  left: 20%;
  animation: float3 7s ease-in-out infinite;
  animation-delay: -4s;
}

@keyframes float1 {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(2deg);
  }
}

@keyframes float2 {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-15px) rotate(-2deg);
  }
}

@keyframes float3 {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-25px) rotate(1deg);
  }
}

.card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  margin-bottom: 1rem;
}

.floating-card.card-1 .card-avatar {
  background: rgba(255, 255, 255, 0.2);
}

.card-title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.card-subtitle {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Advanced Sample Links Section */
.sample-links-section {
  padding: 4rem 0;
  background: var(--pure-white);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-badge {
  display: inline-block;
  background: rgba(0, 0, 0, 0.05);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--gray-600);
}

.section-title {
  font-family: iranian-sans, sans-serif;
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary-black);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.sample-card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.sample-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

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

.sample-preview {
  background: var(--gray-100);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 2px dashed rgba(0, 0, 0, 0.1);
  text-align: center;
}

.preview-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  margin: 0 auto 1rem;
}

.preview-name {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.preview-bio {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* Statistics Section - Enhanced */
.stats-section {
  padding: 3rem 0;
  background: var(--primary-black);
  color: white;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
}

.stat-number {
  font-family: iranian-sans, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  display: block;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  opacity: 0.9;
  font-weight: 500;
}

/* Services Section - Completely Redesigned */
.services-section {
  padding: 4rem 0;
  background: var(--gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.service-card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  transform: translateY(100%);
  transition: var(--transition);
  z-index: 1;
}

.service-card:hover::before {
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.service-card > * {
  position: relative;
  z-index: 2;
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 2rem;
  color: var(--primary-black);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  transform: scale(1.1);
}

.service-title {
  font-family: iranian-sans, sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.service-description {
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.service-card:hover .service-description {
  color: rgba(255, 255, 255, 0.9);
}

.service-features {
  list-style: none;
  padding: 0;
  text-align: left;
}

.service-features li {
  text-align: right;
  padding: 0.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-600);
  font-size: small;
}

.service-card:hover .service-features li {
  color: rgba(255, 255, 255, 0.9);
}

.service-features li::before {
  content: "✓";
  color: var(--primary-black);
  font-weight: 600;
}

.service-card:hover .service-features li::before {
  color: white;
}

/* NFC Animation Section - Advanced 3D */
.nfc-section {
  padding: 5rem 0;
  background: var(--pure-white);
  position: relative;
  overflow: hidden;
}

.nfc-animation-wrapper {
  position: relative;
  height: 600px;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

@media (max-width: 768px) {
  .nfc-animation-wrapper {
    display: flex;
    flex-direction: column;
  }
}

.nfc-card-3d {
  width: 320px;
  height: 200px;
  overflow: hidden;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  position: absolute;
  left: 15%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
  transition: var(--transition);

  position: relative;
  left: auto;
  transform: none;
  width: 280px;
  height: 160px;
}

.nfc-card-content {
  text-align: center;
}

.nfc-logo {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.nfc-text {
  font-size: 1.2rem;
  font-weight: 600;
}

.iphone-3d {
  width: 220px;
  height: 440px;
  background: #000;
  border-radius: 40px;
  position: absolute;
  right: 20%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(15deg) rotateX(-5deg);
}

.iphone-screen {
  width: 200px;
  height: 420px;
  background: white;
  border-radius: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
  text-align: center;
}

.contact-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-name {
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.contact-title {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.contact-saved {
  background: #10b981;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
}

.nfc-waves-container {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
}

.nfc-wave {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  animation: nfcPulse 3s infinite;
}

.nfc-wave:nth-child(2) {
  animation-delay: 1s;
}

.nfc-wave:nth-child(3) {
  animation-delay: 2s;
}

@keyframes nfcPulse {
  0% {
    transform: scale(0.3);
    opacity: 1;
  }

  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Why Us Section - Enhanced */
.why-us-section {
  padding: 4rem 0;
  background: var(--gray-100);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.feature-card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  align-items: flex-start;
  gap: 1.5rem;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-icon-wrapper {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-content h5 {
  font-family: iranian-sans, sans-serif;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.feature-content p {
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* FAQ Section - Modern Design */
.faq-section {
  padding: 4rem 0;
  background: var(--pure-white);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: 2rem;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  color: var(--primary-black);
}

.faq-question:hover {
  background: var(--gray-100);
}

.faq-icon {
  padding: 3px 8px;
  border-radius: 50%;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--primary-black);
  color: white;
  transform: rotate(180deg);
}

.faq-answer {
  padding: 2rem;
  color: var(--gray-600);
  line-height: 1.7;
  display: none;
  animation: fadeInUp 0.3s ease;
}

.faq-answer.active {
  display: block;
}

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

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

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

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
}

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

.footer-brand {
  max-width: 300px;
}

.footer-brand h5 {
  font-family: iranian-sans, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 2rem;
}

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

.social-link {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: white;
  color: var(--primary-black);
  transform: translateY(-3px);
}

.footer-section h6 {
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Scroll Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 5rem 0 2rem;
    text-align: center;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .floating-cards-container {
    display: none;
  }

  .nfc-card-3d {
    position: relative;
    left: auto;
    transform: none;
    width: 280px;
    height: 160px;
  }

  .iphone-3d {
    position: relative;
    right: auto;
    transform: none;
    width: 220px;
    height: 400px;
  }

  .iphone-screen {
    width: 200px;
    height: 380px;
    padding: 1rem;
  }

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

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

@media (max-width: 576px) {
  .sample-grid,
  .services-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary-hero,
  .btn-secondary-hero {
    justify-content: center;
  }
}

/* Loading Animation */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--pure-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--primary-black);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

  100% {
    transform: rotate(360deg);
  }
}

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

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-600);
}

/* Contact Form */
.contact-form-container {
  background: var(--pure-white);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.contact-form-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.form-header {
  text-align: center;
  margin-bottom: 3rem;
}

.form-title {
  font-family: iranian-sans, sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 1rem;
}

.form-subtitle {
  color: var(--gray-600);
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 2rem;
  position: relative;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--primary-black);
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--pure-white);
  font-family: iranian-sans, sans-serif;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.form-control.error {
  border-color: var(--error-red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control.success {
  border-color: var(--success-green);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

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

.form-select {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--pure-white);
  font-family: iranian-sans, sans-serif;
  cursor: pointer;
}

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

.error-message {
  color: var(--error-red);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
}

.error-message.show {
  display: block;
}

.success-message {
  color: var(--success-green);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
}

.success-message.show {
  display: block;
}

/* Contact Information */
.contact-info {
  position: sticky;
  top: 8rem;
}

.contact-info-header {
  margin-bottom: 3rem;
}

.contact-info-title {
  font-family: iranian-sans, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 1rem;
}

.contact-info-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 4rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--gray-100);
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.contact-method:hover {
  background: var(--pure-white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--gray-200);
}

.contact-method-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-method-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 0.5rem;
}

.contact-method-content p {
  color: var(--gray-600);
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.contact-method-details {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-black);
}

/* Social Links */
.social-links {
  margin-top: 3rem;
}

.social-links h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 1.5rem;
}

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

.social-icon {
  width: 50px;
  height: 50px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: 1.2rem;
  text-decoration: none;
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--primary-black);
  color: white;
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-md);
}

/* Animated Background Grid */
.contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.03) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  z-index: 1;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

/* Main Contact Section */
.contact-main {
  padding: 8rem 0;
  background: var(--pure-white);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 6rem;
  align-items: start;
}

/* Contact Information */
.contact-info {
  position: sticky;
  top: 8rem;
}

.contact-info-header {
  margin-bottom: 3rem;
}

.contact-info-title {
  font-family: iranian-sans, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 1rem;
}

.contact-info-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 4rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--gray-100);
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.contact-method:hover {
  background: var(--pure-white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--gray-200);
}

.contact-method-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-method-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 0.5rem;
}

.contact-method-content p {
  color: var(--gray-600);
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.contact-method-details {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-black);
}

/* Contact Hero Section */
.contact-hero {
  padding: 12rem 0 6rem;
  background: var(--gradient-contact);
  position: relative;
  overflow: hidden;
  color: white;
  min-height: 60vh;
}

/* Mesh Gradient Background */
.mesh-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(0, 0, 0, 0.02) 0%,
      transparent 50%
    ),
    radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.1) rotate(180deg);
  }
}

/* Submit Button */
.submit-btn {
  width: 100%;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 1.5rem 2rem;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  position: relative;
  overflow: hidden;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.submit-btn:active {
  transform: translateY(-1px);
}

.submit-btn.loading {
  pointer-events: none;
  opacity: 0.8;
}

.submit-btn .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: none;
}

.submit-btn.loading .spinner {
  display: block;
}

.submit-btn.loading .btn-text {
  display: none;
}

/* What is AydiLink Section */
.what-is-aydi {
  padding: 8rem 0;
  background: var(--pure-white);
  border-bottom: 1px solid var(--gray-200);
}

.what-is-content {
  max-width: 1200px;
  margin: 0 auto;
}

.what-is-header {
  text-align: center;
  margin-bottom: 6rem;
}

.what-is-header h2 {
  font-family: iranian-sans, sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 2rem;
  line-height: 1.2;
}

.what-is-description {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto 2rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.benefit-card {
  background: var(--gray-100);
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  background: var(--pure-white);
  border-color: var(--gray-200);
}

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  margin: 0 auto 2rem;
  transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
  transform: scale(1.1) rotate(5deg);
}

.benefit-card h3 {
  font-family: iranian-sans, sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 1rem;
}

.benefit-card p {
  color: var(--gray-600);
  line-height: 1.6;
  font-size: 1rem;
}

/* About Hero Section */
.about-hero {
  padding: 12rem 0 6rem;
  background: var(--gradient-about);
  position: relative;
  overflow: hidden;
  color: white;
  min-height: 70vh;
}