/* ==========================================================================
   Bijoy Academy — Super-Premium Web Design System
   Aesthetic: Electric Indigo (#6366F1), Luminous Violet (#818CF8), Neon Cyan (#06B6D4), Deep Midnight Space (#080B11)
   Inspiration: Linear.app, Stripe, Raycast, Vercel
   Features: Precision Glassmorphism, Specular Edge Highlights, Fluid Typography, Tactile Micro-Interactions
   ========================================================================== */

/* Importing World-Class Slim Modern Typography */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Common System Foundations */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-expo: cubic-bezier(0.87, 0, 0.13, 1);

  /* Glass Surfaces (Light Default) */
  --glass-surface: rgba(255, 255, 255, 0.88);
  --glass-surface-hover: #FFFFFF;
  --glass-surface-sunken: #F1F5F9;
  --glass-nav: rgba(255, 255, 255, 0.85);
  --glass-dropdown: #FFFFFF;

  /* Layered Sculpted Borders */
  --border-glass: rgba(15, 23, 42, 0.08);
  --border-subtle: rgba(15, 23, 42, 0.05);
  --edge-highlight: inset 0 1px 0 0 rgba(255, 255, 255, 1);

  /* Typography Palette */
  --text-heading: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-main: #0F172A;

  /* Depth Shadows */
  --shadow-bento: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 10px 25px -5px rgba(0, 0, 0, 0.05), inset 0 1px 0 0 #FFFFFF;

  /* Semantic Aliases (used across tools) */
  --metric-red: #E11D48;
  --metric-yellow: #EAB308;
  --metric-danger: #E11D48;
  --success: #059669;
  --warning: #EAB308;
  --danger: #E11D48;
  --bg-primary: #FFFFFF;
  --surface-input: #F1F5F9;

  /* Variable Aliases (backward-compat for tool pages) */
  --text-primary: var(--text-heading);
  --text-secondary: var(--text-muted);
  --surface: var(--glass-surface);
  --bg-secondary: var(--glass-surface-sunken);
  --bar-track: rgba(100, 116, 139, 0.2);
  --bg-card: var(--glass-surface);

  color-scheme: light;
}

/* ----------------------------------------------------
   PALETTE 1 (DEFAULT): EMERALD APEX — LIGHT
   Inspired by: Wise, Ramp, Mercury, Modern FinTech
   ---------------------------------------------------- */
:root, :root[data-palette="emerald"] {
  --bg-canvas: #F7FAF8;
  --bg-mesh: radial-gradient(circle at 50% 0%, rgba(5, 150, 105, 0.09) 0%, transparent 60%),
             radial-gradient(circle at 85% 100%, rgba(13, 148, 136, 0.06) 0%, transparent 50%),
             #F7FAF8;
  
  --accent-primary: #059669;
  --accent-primary-hover: #047857;
  --accent-secondary: #0D9488;
  --accent-cyan: #0284C7;
  --accent-gradient-1: linear-gradient(135deg, #059669 0%, #0D9488 50%, #0284C7 100%);
  --accent-gradient-text: linear-gradient(135deg, #0F172A 0%, #059669 100%);
  --accent-badge-bg: rgba(5, 150, 105, 0.08);
  --accent-badge-text: #059669;
  --accent-badge-border: rgba(5, 150, 105, 0.22);

  --border-glow: rgba(5, 150, 105, 0.28);
  --shadow-glow: 0 0 30px rgba(5, 150, 105, 0.16);
  --shadow-bento-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.08), 0 0 25px rgba(5, 150, 105, 0.12), inset 0 1px 0 0 #FFFFFF;
  --shadow-input-focus: 0 0 0 3px rgba(5, 150, 105, 0.22), 0 1px 2px 0 rgba(0, 0, 0, 0.05);

  --metric-emerald: #059669;
  --metric-rose: #E11D48;
  --metric-cyan: #0284C7;
}

/* ----------------------------------------------------
   PALETTE 2: ROYAL COBALT — LIGHT
   Inspired by: Stripe, Intercom, Apple Pro
   ---------------------------------------------------- */
:root[data-palette="cobalt"] {
  --bg-canvas: #F8FAFC;
  --bg-mesh: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.09) 0%, transparent 60%),
             radial-gradient(circle at 85% 100%, rgba(2, 132, 199, 0.06) 0%, transparent 50%),
             #F8FAFC;
  
  --accent-primary: #2563EB;
  --accent-primary-hover: #1D4ED8;
  --accent-secondary: #4F46E5;
  --accent-cyan: #0284C7;
  --accent-gradient-1: linear-gradient(135deg, #2563EB 0%, #4F46E5 50%, #0284C7 100%);
  --accent-gradient-text: linear-gradient(135deg, #0F172A 0%, #2563EB 100%);
  --accent-badge-bg: rgba(37, 99, 235, 0.08);
  --accent-badge-text: #2563EB;
  --accent-badge-border: rgba(37, 99, 235, 0.22);

  --border-glow: rgba(37, 99, 235, 0.28);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.16);
  --shadow-bento-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.08), 0 0 25px rgba(37, 99, 235, 0.12), inset 0 1px 0 0 #FFFFFF;
  --shadow-input-focus: 0 0 0 3px rgba(37, 99, 235, 0.22), 0 1px 2px 0 rgba(0, 0, 0, 0.05);

  --metric-emerald: #059669;
  --metric-rose: #E11D48;
  --metric-cyan: #2563EB;
}

/* ----------------------------------------------------
   PALETTE 3: SUNSET AMBER — LIGHT
   Inspired by: Raycast, Supabase, Vercel Geist
   ---------------------------------------------------- */
:root[data-palette="amber"] {
  --bg-canvas: #FAF8F5;
  --bg-mesh: radial-gradient(circle at 50% 0%, rgba(234, 88, 12, 0.08) 0%, transparent 60%),
             radial-gradient(circle at 85% 100%, rgba(217, 119, 6, 0.06) 0%, transparent 50%),
             #FAF8F5;
  
  --accent-primary: #D97706;
  --accent-primary-hover: #B45309;
  --accent-secondary: #EA580C;
  --accent-cyan: #E11D48;
  --accent-gradient-1: linear-gradient(135deg, #EA580C 0%, #D97706 50%, #F59E0B 100%);
  --accent-gradient-text: linear-gradient(135deg, #1C1917 0%, #D97706 100%);
  --accent-badge-bg: rgba(217, 119, 6, 0.08);
  --accent-badge-text: #B45309;
  --accent-badge-border: rgba(217, 119, 6, 0.22);

  --border-glow: rgba(217, 119, 6, 0.28);
  --shadow-glow: 0 0 30px rgba(217, 119, 6, 0.16);
  --shadow-bento-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.08), 0 0 25px rgba(217, 119, 6, 0.12), inset 0 1px 0 0 #FFFFFF;
  --shadow-input-focus: 0 0 0 3px rgba(217, 119, 6, 0.22), 0 1px 2px 0 rgba(0, 0, 0, 0.05);

  --metric-emerald: #059669;
  --metric-rose: #E11D48;
  --metric-cyan: #D97706;
}

/* ----------------------------------------------------
   PALETTE 4: ALPINE TEAL — LIGHT
   Inspired by: Linear.app, Arc, Nordic Minimalist
   ---------------------------------------------------- */
:root[data-palette="teal"] {
  --bg-canvas: #F6FAF9;
  --bg-mesh: radial-gradient(circle at 50% 0%, rgba(15, 118, 110, 0.09) 0%, transparent 60%),
             radial-gradient(circle at 85% 100%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
             #F6FAF9;
  
  --accent-primary: #0F766E;
  --accent-primary-hover: #115E59;
  --accent-secondary: #6366F1;
  --accent-cyan: #0284C7;
  --accent-gradient-1: linear-gradient(135deg, #0F766E 0%, #0D9488 50%, #6366F1 100%);
  --accent-gradient-text: linear-gradient(135deg, #0F172A 0%, #0F766E 100%);
  --accent-badge-bg: rgba(15, 118, 110, 0.08);
  --accent-badge-text: #0F766E;
  --accent-badge-border: rgba(15, 118, 110, 0.22);

  --border-glow: rgba(15, 118, 110, 0.28);
  --shadow-glow: 0 0 30px rgba(15, 118, 110, 0.16);
  --shadow-bento-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.08), 0 0 25px rgba(15, 118, 110, 0.12), inset 0 1px 0 0 #FFFFFF;
  --shadow-input-focus: 0 0 0 3px rgba(15, 118, 110, 0.22), 0 1px 2px 0 rgba(0, 0, 0, 0.05);

  --metric-emerald: #059669;
  --metric-rose: #E11D48;
  --metric-cyan: #0F766E;
}

/* ====================================================
   DARK THEME COMMON FOUNDATION
   ==================================================== */
[data-theme="dark"] {
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --edge-highlight: inset 0 1px 0 0 rgba(255, 255, 255, 0.12);

  --text-heading: #FFFFFF;
  --text-body: #CBD5E1;
  --text-muted: #94A3B8;
  --text-main: #F8FAFC;

  --shadow-bento: 0 10px 30px -10px rgba(0, 0, 0, 0.7), 0 20px 25px -5px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);

  /* Semantic Aliases (Dark) */
  --metric-red: #FB7185;
  --metric-yellow: #FACC15;
  --metric-danger: #FB7185;
  --success: #34D399;
  --warning: #FACC15;
  --danger: #FB7185;
  --bg-primary: #0F172A;
  --surface-input: rgba(255, 255, 255, 0.06);

  color-scheme: dark;
}

/* ----------------------------------------------------
   PALETTE 1 (DEFAULT): EMERALD APEX — DARK
   ---------------------------------------------------- */
[data-theme="dark"], [data-theme="dark"][data-palette="emerald"] {
  --bg-canvas: #060D0A;
  --bg-mesh: radial-gradient(circle at 50% -10%, rgba(16, 185, 129, 0.18) 0%, transparent 60%),
             radial-gradient(circle at 85% 25%, rgba(52, 211, 153, 0.12) 0%, transparent 50%),
             radial-gradient(circle at 15% 75%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
             #060D0A;
  
  --glass-surface: rgba(12, 24, 18, 0.74);
  --glass-surface-hover: rgba(18, 36, 28, 0.88);
  --glass-surface-sunken: rgba(8, 16, 12, 0.92);
  --glass-nav: rgba(9, 19, 14, 0.85);
  --glass-dropdown: rgba(12, 25, 19, 0.96);

  --accent-primary: #10B981;
  --accent-primary-hover: #059669;
  --accent-secondary: #34D399;
  --accent-cyan: #38BDF8;
  --accent-gradient-1: linear-gradient(135deg, #10B981 0%, #059669 50%, #06B6D4 100%);
  --accent-gradient-text: linear-gradient(135deg, #FFFFFF 20%, #6EE7B7 60%, #38BDF8 100%);
  --accent-badge-bg: rgba(16, 185, 129, 0.14);
  --accent-badge-text: #6EE7B7;
  --accent-badge-border: rgba(16, 185, 129, 0.32);

  --border-glow: rgba(16, 185, 129, 0.38);
  --shadow-glow: 0 0 35px rgba(16, 185, 129, 0.25);
  --shadow-bento-hover: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px rgba(16, 185, 129, 0.22), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
  --shadow-input-focus: 0 0 0 3px rgba(16, 185, 129, 0.35), 0 0 25px rgba(16, 185, 129, 0.2);

  --metric-emerald: #10B981;
  --metric-rose: #F43F5E;
  --metric-cyan: #38BDF8;
}

/* ----------------------------------------------------
   PALETTE 2: ROYAL COBALT — DARK
   ---------------------------------------------------- */
[data-theme="dark"][data-palette="cobalt"] {
  --bg-canvas: #070B14;
  --bg-mesh: radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.2) 0%, transparent 60%),
             radial-gradient(circle at 85% 25%, rgba(79, 70, 229, 0.14) 0%, transparent 50%),
             radial-gradient(circle at 15% 75%, rgba(2, 132, 199, 0.08) 0%, transparent 50%),
             #070B14;
  
  --glass-surface: rgba(14, 22, 40, 0.74);
  --glass-surface-hover: rgba(22, 34, 60, 0.88);
  --glass-surface-sunken: rgba(9, 14, 26, 0.92);
  --glass-nav: rgba(11, 17, 32, 0.85);
  --glass-dropdown: rgba(14, 22, 40, 0.96);

  --accent-primary: #3B82F6;
  --accent-primary-hover: #2563EB;
  --accent-secondary: #60A5FA;
  --accent-cyan: #38BDF8;
  --accent-gradient-1: linear-gradient(135deg, #3B82F6 0%, #6366F1 50%, #06B6D4 100%);
  --accent-gradient-text: linear-gradient(135deg, #FFFFFF 20%, #93C5FD 60%, #67E8F9 100%);
  --accent-badge-bg: rgba(59, 130, 246, 0.14);
  --accent-badge-text: #93C5FD;
  --accent-badge-border: rgba(59, 130, 246, 0.32);

  --border-glow: rgba(59, 130, 246, 0.38);
  --shadow-glow: 0 0 35px rgba(59, 130, 246, 0.25);
  --shadow-bento-hover: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px rgba(59, 130, 246, 0.22), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
  --shadow-input-focus: 0 0 0 3px rgba(59, 130, 246, 0.35), 0 0 25px rgba(59, 130, 246, 0.2);

  --metric-emerald: #10B981;
  --metric-rose: #F43F5E;
  --metric-cyan: #38BDF8;
}

/* ----------------------------------------------------
   PALETTE 3: SUNSET AMBER — DARK
   ---------------------------------------------------- */
[data-theme="dark"][data-palette="amber"] {
  --bg-canvas: #0D0B0A;
  --bg-mesh: radial-gradient(circle at 50% -10%, rgba(249, 115, 22, 0.18) 0%, transparent 60%),
             radial-gradient(circle at 85% 25%, rgba(245, 158, 11, 0.14) 0%, transparent 50%),
             radial-gradient(circle at 15% 75%, rgba(225, 29, 72, 0.08) 0%, transparent 50%),
             #0D0B0A;
  
  --glass-surface: rgba(26, 20, 18, 0.74);
  --glass-surface-hover: rgba(38, 30, 26, 0.88);
  --glass-surface-sunken: rgba(17, 13, 12, 0.92);
  --glass-nav: rgba(20, 16, 14, 0.85);
  --glass-dropdown: rgba(26, 20, 18, 0.96);

  --accent-primary: #F97316;
  --accent-primary-hover: #EA580C;
  --accent-secondary: #FBBF24;
  --accent-cyan: #FB7185;
  --accent-gradient-1: linear-gradient(135deg, #F97316 0%, #F59E0B 50%, #FB7185 100%);
  --accent-gradient-text: linear-gradient(135deg, #FFFFFF 20%, #FDBA74 60%, #FDE047 100%);
  --accent-badge-bg: rgba(249, 115, 22, 0.14);
  --accent-badge-text: #FED7AA;
  --accent-badge-border: rgba(249, 115, 22, 0.32);

  --border-glow: rgba(249, 115, 22, 0.38);
  --shadow-glow: 0 0 35px rgba(249, 115, 22, 0.25);
  --shadow-bento-hover: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px rgba(249, 115, 22, 0.22), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
  --shadow-input-focus: 0 0 0 3px rgba(249, 115, 22, 0.35), 0 0 25px rgba(249, 115, 22, 0.2);

  --metric-emerald: #10B981;
  --metric-rose: #FB7185;
  --metric-cyan: #FBBF24;
}

/* ----------------------------------------------------
   PALETTE 4: ALPINE TEAL — DARK
   ---------------------------------------------------- */
[data-theme="dark"][data-palette="teal"] {
  --bg-canvas: #060B0E;
  --bg-mesh: radial-gradient(circle at 50% -10%, rgba(20, 184, 166, 0.18) 0%, transparent 60%),
             radial-gradient(circle at 85% 25%, rgba(129, 140, 248, 0.14) 0%, transparent 50%),
             radial-gradient(circle at 15% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
             #060B0E;
  
  --glass-surface: rgba(12, 22, 28, 0.74);
  --glass-surface-hover: rgba(18, 32, 42, 0.88);
  --glass-surface-sunken: rgba(8, 15, 20, 0.92);
  --glass-nav: rgba(10, 18, 24, 0.85);
  --glass-dropdown: rgba(12, 22, 28, 0.96);

  --accent-primary: #14B8A6;
  --accent-primary-hover: #0D9488;
  --accent-secondary: #818CF8;
  --accent-cyan: #38BDF8;
  --accent-gradient-1: linear-gradient(135deg, #14B8A6 0%, #2DD4BF 50%, #818CF8 100%);
  --accent-gradient-text: linear-gradient(135deg, #FFFFFF 20%, #99F6E4 60%, #C7D2FE 100%);
  --accent-badge-bg: rgba(20, 184, 166, 0.14);
  --accent-badge-text: #99F6E4;
  --accent-badge-border: rgba(20, 184, 166, 0.32);

  --border-glow: rgba(20, 184, 166, 0.38);
  --shadow-glow: 0 0 35px rgba(20, 184, 166, 0.25);
  --shadow-bento-hover: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px rgba(20, 184, 166, 0.22), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
  --shadow-input-focus: 0 0 0 3px rgba(20, 184, 166, 0.35), 0 0 25px rgba(20, 184, 166, 0.2);

  --metric-emerald: #14B8A6;
  --metric-rose: #F43F5E;
  --metric-cyan: #38BDF8;
}

/* ============================
   RESET & CORE SETUP
   ============================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-canvas);
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  letter-spacing: -0.011em;
  background-color: var(--bg-canvas);
  background-image: var(--bg-mesh);
  background-attachment: fixed;
  color: var(--text-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  /* Native standard cursor */
  cursor: default;
}

/* Completely Hide Any Legacy Custom Cursor Elements */
.custom-cursor {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* Noise Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0; width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9998;
}

/* Slim Executive Typography Hierarchy */
h1, h2, h3, h4, .font-display {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-heading);
  letter-spacing: -0.025em;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 4.5vw + 0.5rem, 3.25rem);
}

h2 {
  font-size: clamp(1.4rem, 2.5vw + 0.5rem, 2rem);
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Clean native interactive cursors */
a, button, input[type="submit"], input[type="button"], select, summary, .btn-primary, .btn-secondary, .bento-card {
  cursor: pointer;
}

input[type="text"], input[type="number"], input[type="password"], textarea {
  cursor: text;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================
   HEADER & FLOATING FROSTED NAV
   ============================ */
.header {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  max-width: 1200px;
  width: calc(100% - 2.5rem);
  padding: 0 1.5rem;
  height: 68px;
  background: var(--glass-nav);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-bento);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s var(--ease-smooth);
}

.header-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-heading);
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: transform 0.2s var(--ease-spring);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-symbol {
  width: 32px;
  height: 32px;
  background: var(--accent-gradient-1);
  color: #FFFFFF;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
  transition: transform 0.3s var(--ease-spring);
}

.logo:hover .logo-symbol {
  transform: scale(1.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item-link, .nav-link-btn {
  background: none;
  border: none;
  color: var(--text-body);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: inherit;
}

.nav-item-link:hover, .nav-link-btn:hover, .nav-link-btn[aria-expanded="true"] {
  color: var(--accent-primary);
  background: var(--accent-badge-bg);
}

.chevron-arrow {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.nav-link-btn[aria-expanded="true"] .chevron-arrow {
  transform: rotate(180deg);
}

/* HEADER RIGHT ACTIONS */
.header-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.theme-toggle-btn {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-glass);
  color: var(--text-heading);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

/* PALETTE SWITCHER (WORLD-CLASS CURATED COLOR THEMES) */
.palette-dropdown-wrapper {
  position: relative;
}

.palette-toggle-btn {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-glass);
  color: var(--text-heading);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.25s var(--ease-spring);
}

.palette-toggle-btn:hover, .palette-toggle-btn[aria-expanded="true"] {
  border-color: var(--accent-primary);
  transform: scale(1.05);
  box-shadow: 0 0 12px var(--border-glow);
}

.palette-indicator-dot {
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 6px var(--accent-primary);
  border: 1.5px solid var(--glass-dropdown);
  transition: background 0.3s ease, transform 0.2s ease;
}

.palette-popover {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 320px;
  max-width: calc(100vw - 2rem);
  background: var(--glass-dropdown);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 1.15rem;
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.25), 0 0 0 1px var(--border-subtle);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  transition: all 0.22s var(--ease-smooth);
  pointer-events: none;
  z-index: 650;
}

.palette-dropdown-wrapper.open .palette-popover,
.palette-toggle-btn[aria-expanded="true"] + .palette-popover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.palette-popover-header {
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.palette-popover-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.2rem;
}

.palette-popover-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.01em;
}

.palette-active-tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent-badge-bg);
  color: var(--accent-primary);
  border: 1px solid var(--accent-badge-border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.palette-popover-desc {
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.palette-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.palette-card-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: left;
  transition: all 0.18s ease;
  font-family: inherit;
  color: inherit;
}

.palette-card-option:hover {
  background: var(--accent-badge-bg);
  border-color: var(--border-subtle);
  transform: translateX(2px);
}

.palette-card-option.active {
  background: var(--glass-surface-sunken);
  border-color: var(--accent-primary);
  box-shadow: 0 2px 10px var(--border-glow);
}

.palette-card-swatches {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 4px;
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  flex-shrink: 0;
}

.palette-card-swatches .swatch {
  width: 9px;
  height: 18px;
  border-radius: 3px;
  display: inline-block;
}

.palette-card-info {
  flex: 1;
  min-width: 0;
}

.palette-name-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 2px;
}

.palette-name {
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--text-heading);
  letter-spacing: -0.01em;
}

.palette-badge-curated {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.12);
  color: #10B981;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.palette-sub {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.palette-check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.2s var(--ease-spring);
  flex-shrink: 0;
}

.palette-card-option.active .palette-check-icon {
  opacity: 1;
  transform: scale(1);
}

.nav-cta-btn {
  background: var(--accent-primary);
  color: #FFFFFF !important;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--border-glow);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
}

.nav-cta-btn:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--shadow-glow);
}

/* STREAMLINED REDUCED HOVER-ACTIVATED DROPDOWN MENU */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.mega-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 580px;
  max-width: calc(100vw - 2rem);
  background: var(--glass-dropdown);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.25), 0 0 1px 1px rgba(255, 255, 255, 0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.18s var(--ease-smooth), transform 0.18s var(--ease-smooth), visibility 0.18s;
  pointer-events: none;
  z-index: 600;
}

/* Invisible hover bridge to eliminate any gap between button and dropdown */
.mega-menu::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
  background: transparent;
}

.nav-dropdown:hover .mega-menu,
.nav-dropdown:focus-within .mega-menu,
.nav-dropdown.is-hovered .mega-menu,
.nav-dropdown.open .mega-menu,
.nav-link-btn[aria-expanded="true"] + .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}


.mega-col {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.mega-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-primary);
  margin-bottom: 0.65rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: inherit;
}

.mega-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  color: var(--text-body);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.35;
  transition: all 0.15s ease;
}

.mega-link:hover {
  color: var(--accent-primary);
  background: var(--accent-badge-bg);
  transform: translateX(3px);
}

.mega-link--featured {
  font-weight: 600;
  color: var(--text-heading);
}

.badge-pill {
  font-size: 0.65rem;
  background: var(--accent-primary);
  color: #FFFFFF;
  padding: 1px 6px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* SECURITY MODAL */
.security-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 26, 0.85); /* Darker backdrop */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999; /* Higher z-index */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.2s ease-out;
}

.security-modal-content {
  background: var(--bg-card); /* Less transparent background */
  border: 1px solid var(--accent-primary); /* Stand out border */
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 580px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

.security-modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.security-badge-shield {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-modal-header h3 {
  font-size: 1.25rem;
  margin: 0;
  color: var(--text-heading);
}

.security-modal-header p {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.security-close-btn {
  position: absolute;
  right: 0;
  top: 0;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.security-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sec-feat-item {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sec-feat-item strong {
  font-size: 0.88rem;
  color: var(--text-heading);
}

.sec-feat-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

/* BUTTONS */
.btn-primary {
  background: var(--accent-gradient-1);
  color: #FFFFFF;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 15px var(--border-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s var(--ease-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-glow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: var(--glass-surface-sunken);
  color: var(--text-heading);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border-glass);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s var(--ease-smooth);
}

.btn-secondary:hover {
  background: var(--glass-surface-hover);
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

/* ============================
   CONTAINER & LAYOUT
   ============================ */
.container, div.container {
  max-width: 1360px;
  margin: 0 auto;
  padding-top: 120px !important;
  padding-bottom: 4rem !important;
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
  width: 100%;
}

/* ============================
   HERO SECTION (SUPER PREMIUM)
   ============================ */
.hero {
  padding: 1rem 1.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 1rem auto 0.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  border: 1px solid var(--accent-badge-border);
  margin-bottom: 1.25rem;
}

.hero-pill-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--metric-emerald);
  box-shadow: 0 0 10px var(--metric-emerald);
  display: inline-block;
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

.hero-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  font-weight: 650;
  letter-spacing: -0.035em;
  color: var(--text-heading);
  -webkit-text-fill-color: var(--text-heading);
}

[data-theme="dark"] .hero-title {
  color: #FFFFFF !important;
  -webkit-text-fill-color: #FFFFFF !important;
}

[data-theme="light"] .hero-title {
  color: #0F172A !important;
  -webkit-text-fill-color: #0F172A !important;
}

.gradient-text {
  background: var(--accent-gradient-1);
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  color: var(--accent-primary);
  display: inline-block;
}

.hero-subtitle {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 400;
  letter-spacing: -0.011em;
  color: var(--text-muted) !important;
  -webkit-text-fill-color: initial !important;
  max-width: 680px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

/* HERO LIVE SEARCH & FILTER */
.hero-search-wrapper {
  width: 100%;
  max-width: 580px;
  margin: 0 auto 1.25rem;
  position: relative;
}

.hero-search-input {
  width: 100%;
  padding: 0.95rem 3.5rem 0.95rem 3rem;
  background: var(--glass-surface-hover);
  border: 1.5px solid var(--border-glass);
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-heading);
  outline: none;
  box-shadow: 0 4px 25px -5px rgba(0, 0, 0, 0.08), inset 0 1px 0 0 rgba(255, 255, 255, 0.8);
  transition: all 0.25s var(--ease-smooth);
  font-family: inherit;
}

.hero-search-input::placeholder {
  color: var(--text-muted);
  opacity: 0.85;
}

[data-theme="dark"] .hero-search-input {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  box-shadow: 0 4px 25px -5px rgba(0, 0, 0, 0.5), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .hero-search-input::placeholder {
  color: #94A3B8;
  opacity: 0.95;
}

.hero-search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px var(--accent-badge-bg), 0 8px 30px var(--border-glow);
}

[data-theme="dark"] .hero-search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px var(--accent-badge-bg), 0 8px 30px var(--border-glow);
}

.hero-search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}

[data-theme="dark"] .hero-search-icon {
  color: #94A3B8;
}

.hero-search-shortcut {
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-glass);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  pointer-events: none;
}

[data-theme="dark"] .hero-search-shortcut {
  background: rgba(30, 41, 59, 0.85);
  border-color: rgba(255, 255, 255, 0.12);
  color: #CBD5E1;
}

/* FILTER PILLS */
.hero-filter-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0.75rem auto 1.5rem;
  max-width: 800px;
}

.filter-pill-btn {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 0.42rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.filter-pill-btn:hover {
  color: var(--text-heading);
  border-color: var(--accent-primary);
  background: var(--accent-badge-bg);
}

.filter-pill-btn.active {
  background: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
  box-shadow: 0 2px 10px var(--border-glow);
}

[data-theme="dark"] .filter-pill-btn {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(255, 255, 255, 0.12);
  color: #CBD5E1;
}

[data-theme="dark"] .filter-pill-btn:hover {
  color: #FFFFFF;
  border-color: var(--accent-secondary);
  background: var(--accent-badge-bg);
}

[data-theme="dark"] .filter-pill-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-secondary);
  color: #FFFFFF;
  box-shadow: 0 4px 15px var(--shadow-glow);
}

/* HERO STATS RIBBON */
.hero-stats-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
}

.stat-item svg {
  color: var(--accent-primary);
}

[data-theme="dark"] .stat-item {
  color: #CBD5E1;
}

[data-theme="dark"] .stat-item svg {
  color: var(--accent-primary);
}

/* ============================
   BENTO GRID (INDEX TOOLS)
   ============================ */
.bento-section {
  padding: 1.5rem 1.5rem 4rem;
  max-width: 1360px;
  margin: 0 auto;
}

.bento-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.02em;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
}

.bento-card {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 1.85rem 1.75rem;
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04), inset 0 1px 0 0 rgba(255, 255, 255, 0.85);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

[data-theme="dark"] .bento-card {
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.35), inset 0 1px 0 0 rgba(255, 255, 255, 0.08);
}

.bento-card.is-hidden {
  display: none !important;
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  border: 1px solid var(--accent-badge-border);
}

.card-badge--emerald {
  background: rgba(16, 185, 129, 0.08);
  color: #10B981;
  border-color: rgba(16, 185, 129, 0.2);
}

.card-badge--amber {
  background: rgba(245, 158, 11, 0.08);
  color: #F59E0B;
  border-color: rgba(245, 158, 11, 0.2);
}

.bento-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--accent-badge-bg), rgba(6, 182, 212, 0.08));
  border: 1px solid var(--accent-badge-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  box-shadow: 0 2px 10px var(--border-glow);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
  margin-bottom: 0;
}

.bento-card:hover .bento-icon {
  transform: scale(1.08);
  background: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 6px 20px var(--shadow-glow);
}

.card-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.card-cta-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: transform 0.2s ease;
}

.bento-card:hover .card-cta-text {
  transform: translateX(4px);
}

.no-results-box {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--glass-surface);
  border: 1px dashed var(--border-glass);
  border-radius: 18px;
  color: var(--text-muted);
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(99, 102, 241, 0.1), transparent 40%);
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-bento-hover);
  border-color: rgba(99, 102, 241, 0.35);
}

.bento-card > * {
  z-index: 1;
  position: relative;
}

.bento-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.08));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--accent-secondary);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.3s, background 0.3s;
}

.bento-card:hover .bento-icon {
  transform: scale(1.12) rotate(4deg);
  background: var(--accent-gradient-1);
  color: #FFFFFF;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.bento-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.bento-desc {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.55;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

[data-theme="dark"] .bento-card {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .bento-title {
  color: #FFFFFF;
}

[data-theme="dark"] .bento-desc {
  color: #94A3B8;
}

[data-theme="dark"] .card-badge {
  background: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  border-color: var(--accent-badge-border);
}

[data-theme="dark"] .card-badge--emerald {
  background: rgba(16, 185, 129, 0.16);
  color: #6EE7B7;
  border-color: rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .card-badge--amber {
  background: rgba(245, 158, 11, 0.16);
  color: #FCD34D;
  border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .card-cta-text {
  color: var(--accent-secondary);
}

[data-theme="dark"] .bento-icon {
  background: linear-gradient(135deg, var(--accent-badge-bg), rgba(6, 182, 212, 0.12));
  border-color: var(--accent-badge-border);
  color: var(--accent-secondary);
}

[data-theme="dark"] .bento-card:hover .bento-icon {
  background: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 6px 20px var(--shadow-glow);
}

/* ============================
   TOOL UI (CALCULATOR LAYOUT)
   ============================ */
.tool-card {
  max-width: 1050px;
  margin: 8.5rem auto 4rem;
  padding: 3.5rem 3rem;
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-bento);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  position: relative;
}

@media (max-width: 768px) {
  .tool-card {
    padding: 2rem 1.5rem;
    margin-top: 7rem;
  }
}

.tool-header {
  margin-bottom: 3rem;
  text-align: center;
}

.tool-header h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 650;
  margin-bottom: 0.85rem;
  letter-spacing: -0.03em;
}

.tool-header p {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 820px) {
  .form-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.input-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.input-label-row label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.input-val-display {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-secondary);
  font-weight: 700;
  font-size: 1rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1.1rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 1.1rem;
  pointer-events: none;
}

@media (max-width: 340px) {
  .apple-input-group .input-icon {
    display: none;
  }
}

.input-control {
  width: 100%;
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: var(--text-heading);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-feature-settings: 'tnum';
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  font-weight: 600;
  transition: all 0.25s var(--ease-smooth);
}

.input-wrapper .input-control {
  padding-left: 2.6rem;
}

.input-control:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-input-focus);
  background: var(--glass-surface);
}

/* Custom Tactile Range Sliders */
input[type="range"], .range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: linear-gradient(to right, var(--accent-primary) var(--val, 0%), rgba(100, 116, 139, 0.2) var(--val, 0%));
  border-radius: var(--radius-pill);
  outline: none;
  cursor: pointer;
  transition: box-shadow 0.2s var(--ease-spring);
}

input[type="range"]::-webkit-slider-thumb, .range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 12px var(--border-glow);
  cursor: grab;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover, .range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 20px var(--shadow-glow);
}

input[type="range"]:active::-webkit-slider-thumb, .range-slider:active::-webkit-slider-thumb {
  cursor: grabbing;
  transform: scale(1.05);
}

/* ==========================================================================
   RESULTS DISPLAY BOX (SUPER-PREMIUM THEME COMPATIBLE)
   ========================================================================== */
.result-box {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  text-align: center;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-bento);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.3s var(--ease-smooth);
}

[data-theme="dark"] .result-box {
  background: radial-gradient(circle at 50% 0%, rgba(249, 115, 22, 0.12) 0%, rgba(15, 23, 42, 0.75) 70%);
  border-color: rgba(249, 115, 22, 0.3);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .result-box, :root .result-box {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  border-color: rgba(249, 115, 22, 0.18);
  box-shadow: 0 10px 30px -5px rgba(249, 115, 22, 0.08), 0 2px 8px -2px rgba(15, 23, 42, 0.05);
}

.result-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 0.75rem;
}

.result-value {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-feature-settings: 'tnum';
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.75rem;
  transition: color 0.2s ease;
}

.result-value.success {
  color: var(--metric-emerald);
  text-shadow: 0 0 30px rgba(16, 185, 129, 0.25);
}

.result-value.danger {
  color: var(--metric-rose);
  text-shadow: 0 0 30px rgba(225, 29, 72, 0.25);
}

.metric-val.success {
  color: var(--metric-emerald) !important;
}

.metric-val.danger {
  color: var(--metric-rose) !important;
}

/* Inner breakdown box within result-box */
.result-box .breakdown-panel, .result-box > div[style*="background"] {
  background: var(--glass-surface-sunken) !important;
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-md) !important;
}

.result-box .breakdown-panel span, .result-box > div[style*="background"] span {
  color: var(--text-muted) !important;
  font-weight: 500;
  font-size: 0.78rem !important;
  letter-spacing: 0.04em;
}

.result-box .breakdown-panel strong, .result-box > div[style*="background"] strong {
  color: var(--text-heading) !important;
  font-family: 'JetBrains Mono', monospace;
}

.result-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.75rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--glass-surface-sunken);
  padding: 1.15rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.metric-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-val {
  font-size: 1.35rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-feature-settings: 'tnum';
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--text-heading);
}

.metric-val.success {
  color: var(--metric-emerald);
}

.metric-val.danger {
  color: var(--metric-rose);
}

/* ==========================================================================
   ACTION BUTTONS (EXECUTIVE & EMOJI-FREE)
   ========================================================================== */
.action-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 2.25rem 0;
  flex-wrap: wrap;
}

.btn-primary, button.btn-primary {
  background: var(--accent-primary);
  color: #FFFFFF !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 550;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-pill);
  border: none;
  box-shadow: 0 4px 14px var(--border-glow);
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.btn-primary:hover, button.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--shadow-glow);
}

.btn-primary:active, button.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary, button.btn-secondary {
  background: var(--glass-surface);
  color: var(--text-body) !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-bento);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.btn-secondary:hover, button.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary) !important;
  transform: translateY(-2px);
}

/* ==========================================================================
   FLOATING EXECUTIVE TOAST NOTIFICATION
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99999;
  background: var(--glass-dropdown);
  color: var(--text-heading);
  border: 1px solid var(--border-glass);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 1px 1px rgba(0,0,0,0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-pill);
  padding: 0.75rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all 0.3s var(--ease-spring);
}

.toast.show, .toast.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.toast-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--metric-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   RELATED TOOLS SECTION (EXECUTIVE & DUO-TONE)
   ========================================================================== */
.related-tools {
  margin: 4.5rem 0 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-glass);
}

.related-tools-title {
  font-size: 1.15rem;
  font-weight: 600;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-heading);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.related-tools-title svg {
  color: var(--accent-primary);
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.related-tool-card {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.4rem;
  box-shadow: var(--shadow-bento);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-heading);
  transition: all 0.25s var(--ease-spring);
  text-decoration: none;
}

.related-tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-bento-hover);
  color: var(--accent-primary);
}

.related-tool-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.related-tool-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--accent-badge-bg);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.related-tool-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
  font-size: 1.1rem;
}

.related-tool-card:hover .related-tool-arrow {
  color: var(--accent-primary);
  transform: translateX(3px);
}

/* ==========================================================================
   FORMULA & EDUCATIONAL CALLOUT CARDS
   ========================================================================== */
.info-card {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: 0.85rem 0;
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.info-card strong {
  color: var(--text-heading);
  font-weight: 700;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.formula-block {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 1rem 1.4rem;
  margin: 1rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: -0.01em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.example-box {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin: 1.5rem 0 2rem;
  box-shadow: var(--shadow-bento);
}

.example-box p {
  margin-bottom: 0.65rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.example-box p:last-child {
  margin-bottom: 0;
}

.educational-content {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-glass);
}

.educational-content h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-heading);
  margin: 2.5rem 0 1rem;
}

.educational-content h2:first-child {
  margin-top: 0;
}

.educational-content p {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   EXECUTIVE DATA BENCHMARK TABLES
   ========================================================================== */
.benchmark-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.75rem 0 2.5rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-bento);
  font-size: 0.92rem;
}

.benchmark-table th {
  background: var(--glass-surface-sunken);
  color: var(--text-heading);
  font-weight: 600;
  padding: 0.9rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.benchmark-table td {
  padding: 0.9rem 1.2rem;
  color: var(--text-body);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--glass-surface);
}

.benchmark-table tr:last-child td {
  border-bottom: none;
}

.benchmark-table tr:hover td {
  background: var(--accent-badge-bg);
}

/* Visual Bar Components */
.visual-bar-container {
  margin: 2rem 0;
}

.visual-bar-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.visual-bar {
  display: flex;
  height: 12px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--border-subtle);
}

.visual-bar-fill-cost {
  background: var(--text-muted);
  transition: width 0.4s var(--ease-smooth);
}

.visual-bar-fill-profit {
  background: var(--metric-emerald);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.5);
  transition: width 0.4s var(--ease-smooth);
}

/* =========================================
   SEO CONTENT & TYPOGRAPHY STANDARDS
   ========================================= */
.content-section, .seo-prose {
  max-width: 840px;
  margin: 4rem auto;
  padding: 0 1.5rem;
  color: var(--text-body);
  line-height: 1.75;
}

.content-section h2, .seo-prose h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.95rem;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-top: 3.5rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

.content-section h3, .seo-prose h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  color: var(--text-heading);
}

.content-section p, .seo-prose p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  color: var(--text-body);
}

.content-section ul, .seo-prose ul, .content-section ol, .seo-prose ol {
  margin-bottom: 2rem;
  padding-left: 1.5rem;
  color: var(--text-body);
}

.content-section li, .seo-prose li {
  margin-bottom: 0.6rem;
}

.content-section strong, .seo-prose strong {
  color: var(--text-heading);
  font-weight: 700;
}

/* Styled Formula Blocks */
.formula-block {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-primary);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-secondary);
  margin: 1.5rem 0 2rem;
  font-size: 1.1rem;
  text-align: center;
  box-shadow: var(--shadow-bento);
}

/* Worked Example Boxes */
.example-box {
  background: linear-gradient(145deg, rgba(249, 115, 22, 0.05), transparent);
  border: 1px solid var(--border-glass);
  border-left: 4px solid var(--accent-primary);
  padding: 1.75rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

.example-box p:last-child {
  margin-bottom: 0;
}

/* Data Tables */
.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-bento);
}

.benchmark-table th {
  background: var(--accent-badge-bg);
  padding: 1.1rem 1.25rem;
  text-align: left;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

.benchmark-table td {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-body);
}

/* FAQ Accordions */
details.faq-item, .seo-prose details {
  margin-bottom: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass-surface);
  transition: border-color 0.2s;
}

details.faq-item:hover, .seo-prose details:hover {
  border-color: var(--border-glow);
}

summary.faq-question, .seo-prose summary {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}

summary.faq-question::-webkit-details-marker, .seo-prose summary::-webkit-details-marker {
  display: none;
}

summary.faq-question:hover, .seo-prose summary:hover {
  background: var(--accent-badge-bg);
}

details[open] summary.faq-question span, details[open] summary span {
  transform: rotate(180deg);
}

.faq-answer, .seo-prose details p:not(summary) {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ============================
   ANIMATIONS & TRANSITIONS
   ============================ */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Native View Transitions */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: 0.3s cubic-bezier(0.4, 0, 0.2, 1) both fade-out;
}

::view-transition-new(root) {
  animation: 0.3s cubic-bezier(0.4, 0, 0.2, 1) both fade-in;
}

@keyframes fade-out { to { opacity: 0; transform: translateY(-8px) scale(0.99); } }
@keyframes fade-in { from { opacity: 0; transform: translateY(8px) scale(0.99); } }

/* ==========================================================================
   STUDIO ENGINE ENHANCEMENTS (AEO, TRUST PROOF, FAQ ACCORDION, RICH FOOTER)
   ========================================================================== */

/* AEO (AI Engine Optimization) Summary Box */
.aeo-summary-box {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.4rem;
  margin: 1.5rem auto 2rem;
  max-width: 680px;
  text-align: left;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-body);
  box-shadow: var(--shadow-bento);
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.aeo-summary-box strong {
  color: var(--text-heading);
}

.aeo-icon-wrap {
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

[data-theme="dark"] .aeo-summary-box {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(255, 255, 255, 0.12);
  border-left: 3px solid var(--accent-primary);
  color: #CBD5E1;
}

[data-theme="dark"] .aeo-summary-box strong {
  color: #FFFFFF;
}

[data-theme="dark"] .aeo-icon-wrap {
  color: var(--accent-primary);
}

/* Trust Proof Stacking Grid */
.trust-proof-section {
  margin: 2.5rem 0 3.5rem;
}

.trust-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.trust-card {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow-bento);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.trust-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-bento-hover);
  border-color: var(--accent-primary);
}

[data-theme="dark"] .trust-card {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .trust-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.7), 0 0 25px rgba(249, 115, 22, 0.2);
}

.trust-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trust-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--accent-badge-bg);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-theme="dark"] .trust-card-icon {
  background: rgba(249, 115, 22, 0.18);
  color: var(--accent-secondary);
}

.trust-card-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0;
}

[data-theme="dark"] .trust-card-title {
  color: #FFFFFF;
}

.trust-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

[data-theme="dark"] .trust-card-desc {
  color: #94A3B8;
}

/* Interactive Accordion FAQ Section */
.faq-section {
  margin: 4.5rem 0 2rem;
}

.faq-section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.faq-section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.3rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  color: var(--text-heading);
}

.faq-section-subtitle {
  font-size: 0.98rem;
  color: var(--text-muted);
}

.faq-accordion-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-bento);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item.active {
  border-color: var(--accent-primary);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.08);
}

[data-theme="dark"] .faq-item {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .faq-item.active {
  border-color: var(--accent-primary);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.2);
}

.faq-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-heading);
  transition: color 0.2s ease;
  gap: 1rem;
}

.faq-button:hover, .faq-item.active .faq-button {
  color: var(--accent-primary);
}

[data-theme="dark"] .faq-button {
  color: #FFFFFF;
}

[data-theme="dark"] .faq-item.active .faq-button {
  color: var(--accent-secondary);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease-spring), color 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

[data-theme="dark"] .faq-chevron {
  color: #94A3B8;
}

[data-theme="dark"] .faq-item.active .faq-chevron {
  color: var(--accent-primary);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-panel {
  max-height: 280px;
}

.faq-panel-content {
  padding: 0 1.5rem 1.4rem;
  color: var(--text-body);
  font-size: 0.92rem;
  line-height: 1.65;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

[data-theme="dark"] .faq-panel-content {
  color: #CBD5E1;
  border-top-color: rgba(255, 255, 255, 0.08);
}

/* Executive Multi-Column Footer */
.footer {
  margin-top: auto;
  padding: 4.5rem 2rem 3rem;
  border-top: 1px solid var(--border-glass);
  background: var(--glass-surface);
  backdrop-filter: blur(20px);
}

[data-theme="dark"] .footer {
  background: rgba(10, 14, 23, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--text-heading);
}

[data-theme="dark"] .footer-brand h4 {
  color: #FFFFFF;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.25rem;
}

[data-theme="dark"] .footer-brand p {
  color: #94A3B8;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.footer-col h5 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-heading);
  margin-bottom: 1rem;
}

[data-theme="dark"] .footer-col h5 {
  color: #FFFFFF;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: color 0.15s ease, transform 0.15s ease;
  display: inline-block;
}

.footer-col a:hover {
  color: var(--accent-primary);
  transform: translateX(2px);
}

[data-theme="dark"] .footer-col a {
  color: #94A3B8;
}

[data-theme="dark"] .footer-col a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

[data-theme="dark"] .footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin: 0;
}

[data-theme="dark"] .footer-bottom p {
  color: #64748B;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.82rem;
  transition: color 0.15s ease;
}

.footer-bottom-links a:hover {
  color: var(--text-heading);
}

[data-theme="dark"] .footer-bottom-links a {
  color: #94A3B8;
}

[data-theme="dark"] .footer-bottom-links a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   MISSING CLASS DEFINITIONS — Bento Layout System for Utility Tools
   These classes are used by utilities/ pages (age, currency, discount,
   password, qr-code, tip calculators) but were never defined.
   ========================================================================== */

/* 2-Column Bento Grid (Inputs Left, Sticky Output Right) */
.bento-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Left column: Input groups */
.bento-inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Right column: Sticky result panel */
.sticky-column {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .sticky-column {
    position: static;
  }
}

/* Result Hub — Premium dark glassmorphic result card */
.result-hub {
  background: linear-gradient(180deg, var(--glass-surface) 0%, var(--glass-surface-sunken) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-bento);
  transition: all 0.3s var(--ease-smooth);
}

[data-theme="dark"] .result-hub {
  background: radial-gradient(circle at 50% 0%, rgba(249, 115, 22, 0.1) 0%, var(--glass-surface-sunken) 70%);
  border-color: rgba(249, 115, 22, 0.2);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6), inset 0 1px 0 0 rgba(255, 255, 255, 0.08);
}

.result-hub-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 0.75rem;
}

.result-hub-value {
  font-size: clamp(2.4rem, 5.5vw, 3.5rem);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-feature-settings: 'tnum';
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.result-hub-value.success {
  color: var(--metric-emerald);
  text-shadow: 0 0 30px rgba(16, 185, 129, 0.25);
}

.result-hub-value.danger {
  color: var(--metric-rose);
  text-shadow: 0 0 30px rgba(225, 29, 72, 0.25);
}

/* Action Cluster — Flex row for action buttons */
.action-cluster {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

/* Table Luxury — Premium styled data table */
.table-luxury {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.75rem 0 2.5rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-bento);
  font-size: 0.92rem;
}

.table-luxury th {
  background: var(--accent-badge-bg);
  color: var(--accent-secondary);
  font-weight: 700;
  padding: 0.9rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.table-luxury td {
  padding: 0.9rem 1.2rem;
  color: var(--text-body);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--glass-surface);
}

.table-luxury tr:last-child td {
  border-bottom: none;
}

.table-luxury tr:hover td {
  background: var(--accent-badge-bg);
}

/* FAQ Bento Item — FAQ accordion for bento-layout tools */
.faq-bento-item {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease;
  margin-bottom: 0.75rem;
}

.faq-bento-item:hover {
  border-color: var(--border-glow);
}

.faq-bento-item summary {
  width: 100%;
  text-align: left;
  padding: 1.15rem 1.5rem;
  background: transparent;
  border: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  cursor: pointer;
}

.faq-bento-item summary::-webkit-details-marker {
  display: none;
}

.faq-bento-item summary:hover {
  background: var(--accent-badge-bg);
}

.faq-bento-item p {
  padding: 0 1.5rem 1.15rem 1.5rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.92rem;
  margin: 0;
}

/* Formula Card — Callout formula container */
.formula-card {
  background: var(--glass-surface-sunken);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: -0.01em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Gradient Text — Amber gradient text effect */
.gradient-text {
  background: var(--accent-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Button Luxury — Special accent button variant */
.btn-luxury {
  background: var(--accent-gradient-1);
  color: #FFFFFF !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 15px var(--border-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.btn-luxury:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-glow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  filter: brightness(1.08);
}

.btn-luxury:active {
  transform: translateY(0) scale(0.98);
}

/* Ad Slot — Advertisement placeholder styling */
.ad-slot {
  min-height: 90px;
  background: var(--glass-surface-sunken);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 1.5rem 0;
  opacity: 0.6;
}

/* Bento Card (generic) — Ensure proper dark theme styling */
.bento-card {
  background: var(--glass-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-bento);
  transition: all 0.3s var(--ease-smooth);
}

.bento-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-bento-hover);
}