/* SIMTREN Vanilla CSS */

:root {
  --background: #ffffff;
  --foreground: hsl(180, 32%, 10%);
  --primary: hsl(180, 32%, 20%);
  --primary-foreground: #ffffff;
  --secondary: hsl(180, 20%, 95%);
  --muted: hsl(180, 20%, 96%);
  --muted-foreground: hsl(180, 10%, 40%);
  --accent: hsl(43, 77%, 54%);
  --accent-foreground: hsl(180, 32%, 10%);
  --border: hsl(180, 20%, 90%);
  --radius: 0.75rem;
  
  --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Utilities */
.text-center { text-align: center; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--muted-foreground); }
.bg-secondary { background-color: var(--secondary); }
.bg-muted { background-color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}
.btn-accent {
  background-color: var(--accent);
  color: var(--accent-foreground);
  box-shadow: 0 4px 14px rgba(238, 182, 36, 0.4);
}
.btn-accent:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}
.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
}
.btn-primary:hover {
  filter: brightness(1.1);
}
.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--foreground);
}
.btn-outline:hover {
  background-color: var(--secondary);
}
.btn-light {
  background-color: var(--secondary);
  color: var(--foreground);
}
.btn-light:hover {
  background-color: var(--border);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo img {
  width: 32px;
  height: 32px;
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  font-weight: 500;
  color: var(--muted-foreground);
  transition: color 0.3s ease;
}
.nav-links a:hover {
  color: var(--primary);
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, hsl(180, 32%, 20%) 0%, hsl(180, 32%, 12%) 50%, hsl(180, 32%, 8%) 100%);
  padding-top: 5rem;
}
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: white;
}
.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}
.hero-desc {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 800px;
  margin: 0 auto 3rem;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.feature-card {
  background: linear-gradient(135deg, hsl(180, 32%, 20%) 0%, hsl(180, 32%, 15%) 100%);
  padding: 2rem;
  border-radius: 1rem;
  color: white;
  transition: all 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.feature-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(238, 182, 36, 0.2);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-size: 1.5rem;
  transition: all 0.3s ease;
}
.feature-card:hover .feature-icon {
  background-color: var(--accent);
  color: var(--accent-foreground);
}

/* Testimonials */
.logos-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 4rem;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: all 0.5s ease;
  margin-bottom: 5rem;
}
.logos-row:hover {
  opacity: 1;
  filter: grayscale(0%);
}
.logo-item {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.testimonial-slide {
  display: none;
  animation: fadeEffect 1s;
}
.testimonial-slide.active {
  display: block;
}
.testimonial-quote {
  font-size: 1.5rem;
  font-style: italic;
  margin-bottom: 2rem;
}

@keyframes fadeEffect {
  from {opacity: 0;}
  to {opacity: 1;}
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: center;
}
.pricing-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
}
.pricing-card.popular {
  border: 2px solid var(--accent);
  background-color: var(--primary);
  color: white;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.2);
  transform: scale(1.05);
}
.pricing-card.popular .text-primary {
  color: white !important;
}
.pricing-card.popular .text-muted {
  color: rgba(255, 255, 255, 0.8) !important;
}
.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  margin: 1.5rem 0;
}
.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}
.pricing-features li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.pricing-features i {
  color: var(--foreground);
  margin-top: 0.3rem;
}
.pricing-card.popular .pricing-features i {
  color: var(--accent);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--foreground);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--muted-foreground);
}
.faq-answer p {
  padding-bottom: 1.5rem;
}
.faq-item.active .faq-answer {
  max-height: 200px;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

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

/* Floating WA */
.floating-wa {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
  z-index: 100;
  transition: all 0.3s ease;
}
.floating-wa:hover {
  transform: scale(1.1);
  background-color: #128C7E;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple mobile menu hidden for now */
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title { font-size: 2.5rem; }
  .pricing-card.popular { transform: none; }
}