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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
}
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: #666;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn i {
  margin-right: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: #333;
  border: 2px solid rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: white;
  color: #667eea;
  border-color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.btn-download {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  color: white;
  box-shadow: 0 10px 30px rgba(40, 167, 69, 0.3);
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(40, 167, 69, 0.4);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo h2 {
  color: #667eea;
  margin: 0;
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
}

.nav-item {
  margin-left: 2rem;
}

.nav-link {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #667eea;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: #667eea;
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  position: relative;
  padding-top: 80px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  color: #333;
}

.hero-description {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

.hero-visual {
  position: relative;
  animation: fadeInRight 1s ease;
}

.floating-cards {
  position: relative;
  height: 400px;
}

.prediction-card {
  position: absolute;
  background: white;
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: float 6s ease-in-out infinite;
  backdrop-filter: blur(20px);
}

.prediction-card i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #667eea;
}

.prediction-card span {
  font-weight: 600;
  color: #333;
}

.card-1 {
  top: 20px;
  left: 20px;
  animation-delay: 0s;
}

.card-2 {
  top: 120px;
  right: 40px;
  animation-delay: 2s;
}

.card-3 {
  bottom: 20px;
  left: 60px;
  animation-delay: 4s;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  color: #333;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.2rem;
  color: #666;
}

/* About Section */
.about {
  padding: 100px 0;
  background: white;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text h3 {
  color: #333;
  margin-bottom: 1.5rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: #f8f9fa;
  border-radius: 15px;
  transition: transform 0.3s ease;
}

.stat:hover {
  transform: translateY(-5px);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: #666;
  font-weight: 500;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background: #f8f9fa;
  border-radius: 15px;
  transition: all 0.3s ease;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature i {
  font-size: 2.5rem;
  color: #667eea;
  margin-top: 0;
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 50%;
}

.feature-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature h4 {
  color: #333;
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
  line-height: 1.2;
}

.feature p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 0;
}

/* Product Section */
.product {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  background: #28a745;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.product-badge i {
  margin-right: 0.5rem;
}

.product-info h3 {
  color: #333;
  margin-bottom: 0.5rem;
}

.product-tagline {
  font-size: 1.2rem;
  color: #667eea;
  font-weight: 600;
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-item i {
  font-size: 1.5rem;
  color: #667eea;
  margin-top: 0.25rem;
}

.feature-item h5 {
  color: #333;
  margin-bottom: 0.5rem;
}

.prediction-types {
  margin-bottom: 2rem;
}

.prediction-types h4 {
  color: #333;
  margin-bottom: 1rem;
}

.types-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.type-tag {
  background: #667eea;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Phone Mockup */
.phone-mockup {
  max-width: 300px;
  margin: 0 auto;
  position: relative;
}

.phone-screen {
  background: #000;
  border-radius: 30px;
  padding: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.phone-screen::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: #333;
  border-radius: 2px;
  z-index: 2;
}

.app-screenshot {
  width: 100%;
  height: auto;
  border-radius: 20px;
  display: block;
  max-height: 600px;
  object-fit: cover;
}

/* Legacy app interface styles - keeping for potential future use */
.app-interface {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20px;
  padding: 20px;
  color: white;
  height: 500px;
  overflow: hidden;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.app-header h6 {
  margin: 0;
  font-size: 1.2rem;
}

.notification-dot {
  width: 8px;
  height: 8px;
  background: #28a745;
  border-radius: 50%;
}

.match-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
}

.teams {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  font-weight: 600;
}

.prediction {
  text-align: center;
}

.prediction-label {
  display: block;
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 5px;
}

.prediction-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.confidence {
  font-size: 0.9rem;
  opacity: 0.8;
}

.insights {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.insight-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 10px;
  padding: 15px;
}

.percentage {
  font-weight: 700;
  color: #28a745;
}

/* Technology Section */
.technology {
  padding: 100px 0;
  background: white;
}

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

.tech-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.tech-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: #667eea;
}

.tech-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.tech-icon i {
  font-size: 2rem;
  color: white;
}

.tech-card h4 {
  color: #333;
  margin-bottom: 1rem;
}

.tech-card p {
  color: #666;
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.contact .section-header h2,
.contact .section-header p {
  color: white;
}

.contact-content {
  display: flex;
  justify-content: center;
}

.contact-info-center {
  max-width: 800px;
  width: 100%;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.contact-item i {
  font-size: 2.5rem;
  color: white;
  margin-bottom: 0.5rem;
}

.contact-item h5 {
  color: white;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.contact-item p,
.contact-item a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 1.1rem;
}

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

.contact-cta {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 3rem 2rem;
  margin-top: 2rem;
}

.contact-cta h3 {
  color: white;
  margin-bottom: 1rem;
  font-size: 2rem;
}

.contact-cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Legacy form styles - keeping for reference but not used */
.contact-form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 2rem;
}

.contact-form h3 {
  color: white;
  margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
  background: #1a1a1a;
  color: white;
  padding: 50px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section p {
  color: #ccc;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

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

.footer-section ul li a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #667eea;
}

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

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #667eea;
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 1rem;
  text-align: center;
}

.footer-bottom p {
  color: #999;
  margin: 0;
}

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

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

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container,
  .about-content,
  .product-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-title {
    font-size: 3rem;
  }

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

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

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

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

  .nav-item {
    margin: 1rem 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

  .hero-buttons .btn {
    justify-content: center;
  }

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

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

  /* Product section mobile improvements */
  .product-info {
    text-align: center;
    padding: 0 1rem;
  }

  .product-badge {
    justify-content: center;
    margin: 0 auto 1rem;
  }

  .features-grid {
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .feature-item {
    text-align: center;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
  }

  .feature-item i {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 2rem;
  }

  /* About features mobile */
  .about-features .feature {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
    gap: 1rem;
  }

  .about-features .feature i {
    margin: 0 auto;
    font-size: 2rem;
    width: 50px;
    height: 50px;
  }

  .about-features .feature-content {
    align-items: center;
    text-align: center;
  }

  .types-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .btn-download {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }

  .floating-cards {
    height: 300px;
  }

  .prediction-card {
    padding: 1rem;
  }

  .card-2 {
    right: 20px;
  }

  .card-3 {
    left: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .contact-cta {
    padding: 2rem 1.5rem;
  }

  .contact-cta h3 {
    font-size: 1.5rem;
  }

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

  .cta-buttons .btn {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .nav-container {
    padding: 0 15px;
  }

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

  h2 {
    font-size: 2rem;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .about,
  .product,
  .technology,
  .contact {
    padding: 50px 0;
  }

  .footer {
    padding: 30px 0 15px;
  }

  .footer-content {
    gap: 1.5rem;
  }

  /* Enhanced mobile product section */
  .product-info {
    padding: 0 0.5rem;
  }

  .product-tagline {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
  }

  .features-grid {
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .feature-item {
    padding: 0.75rem;
    border-radius: 12px;
  }

  .feature-item h5 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
  }

  .feature-item p {
    font-size: 0.9rem;
    line-height: 1.4;
  }

  .prediction-types h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
  }

  .types-grid {
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .type-tag {
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    border-radius: 20px;
  }

  .btn-download {
    width: 100%;
    max-width: 250px;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    border-radius: 25px;
  }

  .phone-mockup {
    max-width: 250px;
    margin-top: 2rem;
  }

  .contact-item {
    padding: 1.5rem;
  }

  .contact-cta {
    padding: 1.5rem 1rem;
  }

  .btn-large {
    padding: 16px 24px;
    font-size: 1rem;
  }
}

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

.mb-1 {
  margin-bottom: 1rem;
}
.mb-2 {
  margin-bottom: 2rem;
}
.mb-3 {
  margin-bottom: 3rem;
}

.mt-1 {
  margin-top: 1rem;
}
.mt-2 {
  margin-top: 2rem;
}
.mt-3 {
  margin-top: 3rem;
}