/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all 0.2s ease;
  text-align: center;
}

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

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

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

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

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--text-lg);
}

/* Cards */
.card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-6);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-2);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}

/* Accordions (FAQ) */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: var(--spacing-4) var(--spacing-6);
  background-color: var(--color-background);
  font-weight: 600;
  font-size: var(--text-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s;
}

.accordion-header:hover {
  background-color: var(--color-surface);
}

.accordion-icon {
  transition: transform 0.2s;
}

.accordion.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 var(--spacing-6);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  background-color: var(--color-background);
}

.accordion.active .accordion-content {
  padding: var(--spacing-4) var(--spacing-6);
  max-height: 500px; /* arbitrary max height for animation */
}

/* Mobile Sticky CTA */
.mobile-sticky-cta {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3) var(--spacing-4);
  padding-bottom: calc(var(--spacing-3) + env(safe-area-inset-bottom));
  gap: var(--spacing-2);
  z-index: 90;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.05);
}

@media (min-width: 768px) {
  .mobile-sticky-cta {
    display: none;
  }
}

.mobile-sticky-cta .btn {
  flex: 1;
  padding: var(--spacing-3);
  font-size: var(--text-sm);
}

.btn-whatsapp {
  background-color: #25D366;
  color: white;
}
.btn-whatsapp:hover {
  background-color: #128C7E;
  color: white;
}

/* =========================================
   Micro-Animations & Visual Effects
   ========================================= */

/* Shimmer & Shine on Primary Button */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(
    60deg,
    rgba(255, 255, 255, 0) 20%,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 80%
  );
  transform: rotate(25deg);
  transition: all 0.6s ease;
  pointer-events: none;
}

.btn-primary:hover::after {
  left: 130%;
}

/* Card hover glow & 3D feel */
.card, .project-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover, .project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08), 0 0 16px rgba(0, 166, 46, 0.08);
  border-color: rgba(0, 166, 46, 0.3);
}

.card-icon {
  transition: transform var(--transition-bounce), background-color var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(3deg);
  background-color: rgba(0, 166, 46, 0.18);
}

/* Tech Item tags */
.tech-item {
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.tech-item:hover {
  transform: translateY(-3px) scale(1.04);
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}

/* Scroll-reveal animations (Progressive Enhancement) */
.reveal-on-scroll {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

html.js-reveal-active .reveal-on-scroll:not(.is-revealed) {
  opacity: 0;
  transform: translateY(24px);
}

html.js-reveal-active .reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}


/* Stagger delay helpers */
.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }
.stagger-5 { transition-delay: 0.40s; }
.stagger-6 { transition-delay: 0.48s; }

/* Floating animation for visual mockups */
@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.floating-element {
  animation: floatSlow 5s ease-in-out infinite;
}

/* Ambient glow background wrapper */
.hero {
  position: relative;
  overflow: hidden;
  background-image: var(--gradient-hero);
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.ambient-glow-green {
  width: 320px;
  height: 320px;
  background: rgba(0, 166, 46, 0.15);
  top: -40px;
  right: 5%;
}

.ambient-glow-orange {
  width: 280px;
  height: 280px;
  background: rgba(255, 138, 0, 0.12);
  bottom: 0;
  left: 5%;
}

/* Smooth Pulse Animation */
@keyframes pulseSubtle {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 166, 46, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(0, 166, 46, 0);
  }
}

.pulse-badge {
  animation: pulseSubtle 2.5s infinite;
}