/* 1. CSS VARIABLES */
:root {
  /* Premium HSL Palette (WCAG 2.2 AA Compliant against White) */
  --color-light-blue: hsl(200, 90%, 80%);
  --color-teal: hsl(199, 89%, 30%);
  --color-navy: hsl(222, 47%, 11%);
  --color-accent: hsl(217, 100%, 48%);
  --color-accent-hover: hsl(217, 100%, 38%);
  --color-buy: hsl(161, 94%, 30%);
  --color-buy-hover: hsl(161, 94%, 25%);

  /* Premium Micro-Aesthetics Mappings */
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.4);

  /* Semantic Mappings */
  --primary: var(--color-teal);
  --primary-hover: var(--color-light-blue);
  --accent: var(--color-accent);
  --accent-hover: var(--color-accent-hover);
  --dark: var(--color-navy);
  --light: #ffffff;
  --light-secondary: #f8fafc; /* slate-50 equivalent */
  --text-main: var(--color-navy);
  --text-muted: rgba(2, 48, 71, 0.6); /* Navy with opacity */
}

/* 2. BASE RESET */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--light);
  overflow-x: hidden;
}

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

/* 3. HERO & GLOBALS SECTION */
.bg-navy { background-color: var(--color-navy); }
.text-navy { color: var(--color-navy); }
.bg-teal { background-color: var(--color-teal); }
.text-teal { color: var(--color-teal); }
.bg-light-blue { background-color: var(--color-light-blue); }
.bg-accent { background-color: var(--color-accent); }
.text-accent { color: var(--color-accent); }
.bg-buy { background-color: var(--color-buy); }

.gradient-hero {
  background: radial-gradient(circle at top right, rgba(142, 202, 230, 0.15), transparent 40%),
              radial-gradient(circle at bottom left, rgba(0, 98, 245, 0.03), transparent 30%);
}

.gradient-final-cta {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-teal) 100%);
}

/* 4. UTILITIES & ANIMATIONS */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.shadow-premium {
  box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

.shadow-accent {
  box-shadow: 0 8px 20px -6px rgba(0, 98, 245, 0.08);
}

.shadow-buy {
  box-shadow: 0 8px 20px -6px rgba(5, 150, 105, 0.2);
}

.shadow-teal {
  box-shadow: 0 8px 20px -6px rgba(8, 86, 145, 0.08);
}

/* Redefinisi Utility Tailwind agar super tipis & modern */
.shadow-sm {
  box-shadow: 0 2px 8px -1px rgba(15, 23, 42, 0.02) !important;
}
.shadow-md {
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.04) !important;
}
.shadow-lg {
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.05) !important;
}
.shadow-xl {
  box-shadow: 0 16px 36px -12px rgba(15, 23, 42, 0.06) !important;
}
.shadow-2xl {
  box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.06) !important;
}
.hover\:shadow-2xl:hover {
  box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.08) !important;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--light-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-light-blue);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-teal);
}

/* Custom Details Accordion */
details > summary {
  list-style: none;
}
details > summary::-webkit-details-marker {
  display: none;
}
details[open] summary ~ * {
  animation: slideDown 0.3s ease-in-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}