:root {
  --primary-color: #000000; /* Black */
  --cta-color: #3b82f6; /* Blue */
  --cta-hover: #2563eb; /* Darker Blue */
  --secondary-color: #666666; /* Gray */
  --accent-color: #333333; /* Dark Gray */
  --text-color: #111111;
  --text-light: #666666;
  --bg-color: #ffffff;
  --white: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.1);
  --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);
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --font-family: "Vazirmatn", sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--primary-color);
  font-weight: 800;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

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

.text-gradient {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--accent-color) 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-family);
}

.btn-primary {
  background-color: var(--cta-color);
  color: var(--white) !important;
  border: 2px solid var(--cta-color);
}

.btn-primary:hover {
  background-color: var(--cta-hover);
  border-color: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-white {
  background-color: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--white);
}

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-color);
}

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

.nav-actions {
  display: flex;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at top left, #f3f4f6 0%, transparent 40%),
    radial-gradient(circle at bottom right, #e5e7eb 0%, transparent 40%);
  overflow: hidden;
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  max-width: 500px;
}

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

.hero-stats {
  display: flex;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* Hero Image / Dashboard Preview */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-illustration {
  width: 100%;
  max-width: 600px;
  height: auto;
  filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
  animation: float 6s ease-in-out infinite;
}

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

/* Features Section */
.features {
  padding: 6rem 0;
  background-color: var(--white);
}

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

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

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

.feature-card {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: #e2e8f0;
  background-color: var(--white);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: #f3f4f6;
  color: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: var(--white);
  text-align: center;
}

.cta-content h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  font-size: 1.2rem;
}

/* Footer */
.footer {
  background-color: #000000;
  color: #94a3b8;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: block;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1); /* Make logo white for dark footer */
}

.footer h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer ul li {
  margin-bottom: 0.75rem;
}

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

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-100 {
  transition-delay: 0.1s;
}
.delay-200 {
  transition-delay: 0.2s;
}
.delay-300 {
  transition-delay: 0.3s;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-subtitle {
    margin: 0 auto 2rem;
  }

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

  .hero-stats {
    justify-content: center;
  }

  .hero-illustration {
    max-width: 100%;
  }

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

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-actions {
    display: none;
  }

  .mobile-only {
    display: inline-flex !important;
    width: 100%;
    margin-top: 1rem;
  }

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