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

:root {
  --primary-blue: #4a5fd7;
  --dark-blue: #2d3c8e;
  --light-blue: #6b7dff;
  --purple: #8b5cf6;
  --gradient: linear-gradient(135deg, #4a5fd7 0%, #8b5cf6 100%);
  --text-dark: #1a1a2e;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --white: #ffffff;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Header */
.header {
  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;
}

/* logo */
header a img {
  height: 50px;
}

.nav {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary-blue);
}

.nav-links a.active {
  color: var(--primary-blue);
}

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

.cta-btn {
  padding: 0.75rem 1.5rem;
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(74, 95, 215, 0.3);
}

/* Hamburger Menu */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1002;
  width: 40px;
  height: 40px;
  gap: 5px;
}

.hamburger-btn span {
  display: block;
  width: 28px;
  height: 3px;
  background: #1a1a2e;
  margin: 0;
  transition: all 0.3s ease;
  border-radius: 2px;
  flex-shrink: 0;
}

.hamburger-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger-btn.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Sidebar Menu */
.sidebar-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: white;
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
  z-index: 999;
  transition: right 0.3s ease;
  overflow-y: auto;
}

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

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.sidebar-content {
  padding: 5rem 2rem 2rem;
}

.sidebar-menu .nav-links {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
}

.sidebar-menu .nav-links li {
  border-bottom: 1px solid #e2e8f0;
}

.sidebar-menu .nav-links a {
  display: block;
  padding: 1rem 0;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: all 0.3s ease;
}

.sidebar-menu .nav-links a:hover,
.sidebar-menu .nav-links a.active {
  color: var(--primary-blue);
  padding-left: 1rem;
}

.sidebar-menu .cta-btn {
  margin-top: 1rem;
  width: 100%;
  text-align: center;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(74, 95, 215, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(139, 92, 246, 0.1) 0%,
      transparent 50%
    );
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-text .highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-primary {
  padding: 1rem 2rem;
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(74, 95, 215, 0.4);
}

.btn-secondary {
  padding: 1rem 2rem;
  background: white;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: white;
  transform: translateY(-3px);
}

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

.venchi-container {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.venchi-image {
  width: 400px;
  height: 400px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: white;
  padding: 1rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  animation: floatCard 8s ease-in-out infinite;
}

.floating-card:nth-child(1) {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  top: 60%;
  right: -10%;
  animation-delay: 2s;
}

.floating-card:nth-child(3) {
  bottom: 10%;
  left: 10%;
  animation-delay: 4s;
}

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

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(2deg);
  }
}

/* Trust Section */
.trust-bar {
  padding: 2rem;
  background: white;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.trust-content {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.trust-text {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  opacity: 0.6;
}

/* Features Section */
.features {
  padding: 6rem 2rem;
  background: white;
}

.features-content {
  max-width: 1400px;
  margin: 0 auto;
}

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

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  padding: 2rem;
  background: white;
  border-radius: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #f1f5f9;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon i {
  font-size: 1.5rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Use Cases Section */
.use-cases {
  padding: 6rem 2rem;
  background: var(--bg-light);
}

.use-cases-content {
  max-width: 1400px;
  margin: 0 auto;
}

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

.use-case-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  text-align: center;
}

.use-case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.use-case-emoji {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.use-case-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

/* Testimonial */
.testimonial {
  padding: 6rem 2rem;
  background: var(--gradient);
  color: white;
  text-align: center;
}

.testimonial-content {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial blockquote {
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  opacity: 0.9;
}

/* CTA Section */
.final-cta {
  padding: 6rem 2rem;
  background: white;
  text-align: center;
}

.final-cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.final-cta h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.final-cta p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

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

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 2rem 1rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .cta-btn {
    display: none;
  }

  .sidebar-menu .cta-btn {
    display: inline-block;
  }

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

  .hero-text h1 {
    font-size: 2.5rem;
  }

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

  .venchi-image {
    width: 300px;
    height: 300px;
  }

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

  .section-header h2 {
    font-size: 2rem;
  }

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

  header a img {
    height: 30px;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeIn 0.8s ease forwards;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 0.8s ease forwards;
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 0.8s ease forwards;
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}