/* ==========================================================================
   BARISMA Design System — Modern Think-Tank & Academic Portal
   ATM inspired by INDEF (Institute for Development of Economics and Finance)
   Badan Riset Maqāṣid - LSQ Ar-Rohmah Yogyakarta
   ========================================================================== */

:root {
  --color-forest:       #166534; /* Emerald Green from BARISMA Logo */
  --color-forest-dark:  #0C291B; /* Dark accent */
  --color-forest-light: #F0FDF4; /* Soft mint */
  --color-amber-gold:   #D97706; /* Golden Amber from Logo */
  --color-amber-light:  #FEF3C7;
  --color-silver-grey:  #64748B; /* Silver Grey from Logo */
  --color-bg-base:      #FFFFFF;
  --color-bg-alt:       #F8FAFC;
  --color-text-main:    #0F172A;
  --color-text-muted:   #475569;
  --color-border:       #E2E8F0;
  --font-serif:         'Lora', Georgia, serif;
  --font-sans:          'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-arabic:        'Amiri', 'Traditional Arabic', serif;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  letter-spacing: -0.015em;
  color: var(--color-text-main);
}

.font-arabic {
  font-family: var(--font-arabic);
}

/* Modern Think-Tank Card */
.card-thinktank {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-thinktank:hover {
  transform: translateY(-3px);
  border-color: #CBD5E1;
  box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.08);
}

/* Category Badge Pills & Tags */
.badge-pill, .badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 9999px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-opini {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.badge-policy {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}

.badge-kajian {
  background-color: #EFF6FF;
  color: #1E40AF;
  border: 1px solid #BFDBFE;
}

.badge-buku {
  background-color: #F8FAFC;
  color: #475569;
  border: 1px solid #E2E8F0;
}

/* Section Label Line */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-forest);
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 1.25rem;
  height: 2px;
  background-color: var(--color-amber-gold);
}

/* Modern Drop Cap */
.dropcap::first-letter {
  font-family: var(--font-serif);
  float: left;
  font-size: 3.5rem;
  line-height: 0.85;
  padding-top: 4px;
  padding-right: 12px;
  padding-bottom: 0;
  color: var(--color-forest);
  font-weight: 700;
}

/* Floating WhatsApp Button */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.4);
  transition: all 0.25s ease;
}
.wa-float:hover {
  transform: translateY(-2px) scale(1.02);
  background-color: #20BA5C;
  box-shadow: 0 14px 28px -5px rgba(37, 211, 102, 0.5);
}

/* Sticky Navbar on scroll */
#mainNav.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
}