:root {
  --primary: #0f766e; /* tailwind teal-700 */
  --primary-dark: #115e59; /* tailwind teal-800 */
  --primary-light: #0d9488; /* tailwind teal-600 */
  --accent: #14b8a6; /* tailwind teal-500 */
  --accent-hover: #0d9488; /* tailwind teal-600 */
  
  --bg-subtle: #f0fdfa; /* tailwind teal-50 */
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: #1f2937;
  background-color: #fafafa;
}

h1, h2, h3, h4, h5, h6, .font-serif {
  font-family: 'Merriweather', serif;
}

/* Sticky FAB */
#fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--primary);
  color: white;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

#fab.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

#fab:hover {
  background-color: var(--primary-dark);
}

/* Marquee Animation */
.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  display: block; /* changed from flex */
  background-color: white;
  padding: 2rem 0;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
}

.marquee-content {
  display: flex;
  align-items: center;
  animation: scroll 30s linear infinite; /* slightly slower */
  width: max-content;
  flex-shrink: 0;
}

.marquee-item {
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0; /* prevent shrinking */
}

.marquee-item img {
  height: 64px;
  width: 64px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.marquee-item:hover img {
  opacity: 1;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Mobile Nav Toggle transition */
#mobile-menu {
  transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

#mobile-menu.open {
  max-height: 400px;
  opacity: 1;
}

/* Glassmorphism effects */
.glass {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

/* Soft shadows for friendly vibe */
.soft-shadow {
  box-shadow: 0 10px 40px -10px rgba(13, 148, 136, 0.15);
}