:root {
  --dark-background: #0f1724;
  --gray-900: #111827;
  --accent-landing: #25d366;
  --accent-landing-dark: #128c7e;
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --emerald-400: #34d399;
  --blue-400: #60a5fa;
  --red-400: #f87171;
  --purple-400: #a78bfa;
  --yellow-500: #eab308;
}

* {
  box-sizing: border-box;
}

html, body, #svelte {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: var(--dark-background);
  color: var(--white);
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Global Button Styles */
.btn-primary {
  background: linear-gradient(to right, var(--accent-landing), var(--accent-landing-dark));
  color: var(--white);
  box-shadow: 0 4px 14px 0 rgba(37, 211, 102, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(37, 211, 102, 0.4);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  color: var(--white);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  font-size: 1.125rem;
}












/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .hero-stars {
    flex-direction: column;
    gap: 0.5rem;
  }

  .hero-cta {
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .code-showcase h2,
  .sdks h2,
  .how-it-works h2,
  .use-cases h2,
  .pricing h2,
  .faq h2,
  .cta h2 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .whatsapp-device {
    max-width: 180px;
  }

  .cta-whatsapp .whatsapp-device {
    width: 150px;
    height: 260px;
  }
}

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

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

.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

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

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mb-16 {
  margin-bottom: 4rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-6 {
  margin-top: 1.5rem;
}

.mt-8 {
  margin-top: 2rem;
}

.space-y-4 > * + * {
  margin-top: 1rem;
}

.space-y-6 > * + * {
  margin-top: 1.5rem;
}

.space-y-8 > * + * {
  margin-top: 2rem;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

.bg-gray-900\/60 {
  background: rgba(17, 24, 39, 0.6);
}

.p-6 {
  padding: 1.5rem;
}

.text-white {
  color: var(--white);
}

.text-gray-400 {
  color: var(--gray-400);
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-4xl {
  font-size: 2.25rem;
}

.text-5xl {
  font-size: 3rem;
}

.text-6xl {
  font-size: 3.75rem;
}

.text-7xl {
  font-size: 4.5rem;
}

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

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-6 {
  margin-top: 1.5rem;
}

.mt-8 {
  margin-top: 2rem;
}

.space-y-4 > * + * {
  margin-top: 1rem;
}

.space-y-6 > * + * {
  margin-top: 1.5rem;
}

.space-y-8 > * + * {
  margin-top: 2rem;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

.bg-gray-900\/60 {
  background: rgba(17, 24, 39, 0.6);
}

.p-6 {
  padding: 1.5rem;
}

.text-white {
  color: var(--white);
}

.text-gray-400 {
  color: var(--gray-400);
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-4xl {
  font-size: 2.25rem;
}

.text-5xl {
  font-size: 3rem;
}

.text-6xl {
  font-size: 3.75rem;
}

.text-7xl {
  font-size: 4.5rem;
}