/* ==========================================================================
   Yayasan Inovasi Hijau Lestari - Custom Styles & Design System
   ========================================================================== */

:root {
  --primary-forest: #1b4332;
  --primary-deep: #0f281e;
  --primary-emerald: #2d6a4f;
  --secondary-terracotta: #b85d3b;
  --secondary-earth: #8c3e20;
  --accent-lime: #52b788;
  --accent-light: #d8f3dc;
  --accent-mint: #e8f5e9;
  --bg-cream: #fbf9f5;
  --bg-cream-soft: #f4f0ea;
  --text-charcoal: #1c2520;
  --text-muted: #53645b;
  --border-subtle: #e2ded5;
}

/* Base resets & typography */
html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-charcoal);
  background-color: var(--bg-cream);
}

body {
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #f4f0ea;
}
::-webkit-scrollbar-thumb {
  background: #2d6a4f;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #1b4332;
}

/* Background Patterns & Textures */
.bg-leaf-pattern {
  background-image: radial-gradient(rgba(45, 106, 79, 0.08) 1px, transparent 0);
  background-size: 24px 24px;
}

.bg-organic-glow {
  background: radial-gradient(circle at 10% 20%, rgba(82, 183, 136, 0.15) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(184, 93, 59, 0.12) 0%, transparent 40%);
}

/* Glassmorphism Classes */
.glass-nav {
  background: rgba(251, 249, 245, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(226, 222, 213, 0.7);
}

.glass-dark {
  background: rgba(15, 40, 30, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Card Hover Elevation */
.card-hover {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px -10px rgba(27, 67, 50, 0.12), 0 8px 16px -6px rgba(184, 93, 59, 0.08);
}

/* Custom Gradients */
.gradient-forest {
  background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
}

.gradient-terracotta {
  background: linear-gradient(135deg, #b85d3b 0%, #d47a59 100%);
}

.gradient-hero-overlay {
  background: linear-gradient(
    to right,
    rgba(15, 40, 30, 0.94) 0%,
    rgba(27, 67, 50, 0.85) 50%,
    rgba(27, 67, 50, 0.65) 100%
  );
}

/* Button pulse & badge animations */
@keyframes subtle-float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.animate-float {
  animation: subtle-float 5s ease-in-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(82, 183, 136, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 12px rgba(82, 183, 136, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(82, 183, 136, 0);
  }
}

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

/* Tab Active Indicator */
.tab-btn.active {
  background-color: var(--primary-forest);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(27, 67, 50, 0.25);
}

/* Accordion Smooth Transition */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}

.faq-item.active .faq-content {
  max-height: 500px;
  opacity: 1;
}

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

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 320px;
  max-width: 420px;
  background: #ffffff;
  box-shadow: 0 16px 36px -4px rgba(0, 0, 0, 0.16);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-left: 5px solid #2d6a4f;
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateX(0);
}

/* Modal styling */
.modal-backdrop {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-box {
  transform: scale(1) translateY(0);
}

/* Reading Progress Bar */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3.5px;
  background: linear-gradient(to right, #52b788, #b85d3b);
  z-index: 99999;
  width: 0%;
  transition: width 0.1s ease-out;
}