/**
 * GaugeSnap V2 — Design System
 * Modern, professional CSS with dark/light theme
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --color-primary-50: #eef2ff;
  --color-primary-100: #e0e7ff;
  --color-primary-200: #c7d2fe;
  --color-primary-300: #a5b4fc;
  --color-primary-400: #818cf8;
  --color-primary-500: #6366f1;
  --color-primary-600: #4f46e5;
  --color-primary-700: #4338ca;
  --color-primary-800: #3730a3;
  --color-primary-900: #312e81;
  --color-primary-950: #1e1b4b;
  --color-accent-400: #22d3ee;
  --color-accent-500: #06b6d4;
  --color-accent-600: #0891b2;
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  --color-slate-950: #020617;

  /* Semantic tokens — light */
  --bg-primary: #ffffff;
  --bg-secondary: var(--color-slate-50);
  --bg-tertiary: var(--color-slate-100);
  --bg-card: #ffffff;
  --text-primary: var(--color-slate-900);
  --text-secondary: var(--color-slate-600);
  --text-muted: var(--color-slate-400);
  --border-primary: var(--color-slate-200);
  --border-secondary: var(--color-slate-300);
  --success: #059669;
  --success-light: #d1fae5;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --error: #dc2626;
  --error-light: #fee2e2;
  --info: #2563eb;
  --info-light: #dbeafe;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 20px rgb(99 102 241 / 0.15);

  /* Motion */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
}

/* ===== Dark Theme ===== */
html.dark {
  --bg-primary: var(--color-slate-950);
  --bg-secondary: var(--color-slate-900);
  --bg-tertiary: var(--color-slate-800);
  --bg-card: var(--color-slate-900);
  --text-primary: var(--color-slate-50);
  --text-secondary: var(--color-slate-300);
  --text-muted: var(--color-slate-500);
  --border-primary: var(--color-slate-800);
  --border-secondary: var(--color-slate-700);
  --success-light: rgb(6 78 59 / 0.3);
  --warning-light: rgb(120 53 15 / 0.3);
  --error-light: rgb(127 29 29 / 0.3);
  --info-light: rgb(30 64 175 / 0.3);
  --shadow-glow: 0 0 20px rgb(99 102 241 / 0.1);
}

/* ===== GLOBAL ===== */
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); color: var(--text-primary); background-color: var(--bg-primary); line-height: 1.7; overflow-x: hidden; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }

/* Text gradient */
.text-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-accent-500) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ===== HERO ===== */
.gs-hero {
  position: relative; overflow: hidden;
  background: radial-gradient(ellipse at top, var(--color-slate-800) 0%, var(--color-slate-950) 100%);
  min-height: 85vh; display: flex; align-items: center;
}
.gs-hero::before {
  content: ''; position: absolute; top: -50%; right: -30%; width: 80%; height: 200%;
  background: radial-gradient(ellipse, rgb(6 182 212 / 0.12) 0%, transparent 60%); pointer-events: none;
}
.gs-hero::after {
  content: ''; position: absolute; bottom: -20%; left: -20%; width: 60%; height: 60%;
  background: radial-gradient(ellipse, rgb(59 130 246 / 0.08) 0%, transparent 60%); pointer-events: none;
}
.gs-hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgb(255 255 255 / 0.03) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 0.03) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}
/* Hero blobs */
.gs-hero-blob {
  position: absolute; border-radius: 50%; filter: blur(60px); mix-blend-mode: multiply; pointer-events: none; opacity: 0.2;
}
/* Gradient text */
.gs-gradient-text {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* Glass card */
.gs-glass {
  background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-2xl);
}
/* Floating animation */
@keyframes gs-float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0); }
}
.gs-floating { animation: gs-float 6s ease-in-out infinite; }
/* Floating stat card */
.gs-float-card {
  background: rgb(30 41 59 / 0.9); backdrop-filter: blur(10px);
  border: 1px solid rgb(51 65 85); border-radius: var(--radius-2xl);
  padding: 1rem; box-shadow: 0 20px 40px rgb(0 0 0 / 0.3);
}
/* Hero image glow */
.gs-hero-img-glow {
  position: absolute; inset: 0; border-radius: 1.5rem;
  background: linear-gradient(135deg, rgb(6 182 212 / 0.3), rgb(59 130 246 / 0.3));
  transform: rotate(3deg); filter: blur(20px); opacity: 0.4;
}

/* ===== CARDS ===== */
.gs-card {
  background: var(--bg-card); border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl); padding: 2rem; transition: all var(--transition-base);
  position: relative; overflow: hidden;
}
.gs-card:hover { border-color: var(--color-primary-200); box-shadow: var(--shadow-lg), var(--shadow-glow); transform: translateY(-4px); }
html.dark .gs-card:hover { border-color: var(--color-primary-800); }

.gs-card-glass {
  background: rgb(255 255 255 / 0.7); backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%); border: 1px solid rgb(255 255 255 / 0.3);
  border-radius: var(--radius-2xl); padding: 2rem;
}
html.dark .gs-card-glass { background: rgb(15 23 42 / 0.7); border: 1px solid rgb(255 255 255 / 0.1); }

/* ===== IMAGE PLACEHOLDER ===== */
.img-placeholder-border { border: 2px dashed var(--color-slate-300); }
.img-placeholder-border-primary { border: 2px dashed var(--color-primary-200); }
html.dark .img-placeholder-border,
html.dark .img-placeholder-border-primary { border: none; }

/* ===== STAT ===== */
.gs-stat { position: relative; text-align: center; padding: 2rem 1.5rem; }
.gs-stat-value { font-family: var(--font-heading); font-size: 3.5rem; font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.gs-stat-label { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); margin-top: 0.5rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ===== SECTION ===== */
.gs-section { padding: 5rem 0; position: relative; z-index: 2; background-color: var(--bg-primary); }
.gs-section-alt { background: var(--bg-secondary); }
.gs-section-dark { background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-slate-950) 100%); color: white; }
.gs-section-header { text-align: center; max-width: 48rem; margin: 0 auto 4rem; }
.gs-section-badge {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.375rem 1rem;
  background: var(--color-primary-50); color: var(--color-primary-700);
  border: 1px solid var(--color-primary-200); border-radius: var(--radius-full);
  font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1.25rem;
}
html.dark .gs-section-badge { background: rgb(99 102 241 / 0.15); color: var(--color-primary-300); border-color: rgb(99 102 241 / 0.3); }
.gs-section-title { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; color: var(--text-primary); }
.gs-section-subtitle { font-size: 1.125rem; color: var(--text-secondary); line-height: 1.7; }
@media (min-width: 1024px) { .gs-section-title { font-size: 3rem; } }

/* ===== BUTTONS ===== */
.gs-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.875rem 2rem; font-family: var(--font-body); font-size: 0.9375rem; font-weight: 600;
  border-radius: var(--radius-xl); transition: all var(--transition-base); cursor: pointer;
  border: none; text-decoration: none; line-height: 1.4; white-space: nowrap;
}
.gs-btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  color: white; box-shadow: 0 4px 14px rgb(79 70 229 / 0.4);
}
.gs-btn-primary:hover { background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%); box-shadow: 0 6px 20px rgb(79 70 229 / 0.5); transform: translateY(-2px); color: white; }
.gs-btn-secondary {
  background: var(--bg-card); color: var(--text-primary); border: 2px solid var(--border-primary); box-shadow: var(--shadow-sm);
}
.gs-btn-secondary:hover { border-color: var(--color-primary-300); box-shadow: var(--shadow-md); transform: translateY(-2px); color: var(--color-primary-600); }
html.dark .gs-btn-secondary { background: var(--color-slate-800); border-color: var(--color-slate-700); }
html.dark .gs-btn-secondary:hover { border-color: var(--color-primary-500); color: var(--color-primary-400); }
.gs-btn-white { background: white; color: var(--color-primary-700); box-shadow: var(--shadow-lg); }
.gs-btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); color: var(--color-primary-800); }
.gs-btn-ghost { background: transparent; color: var(--color-primary-600); padding: 0.5rem 1rem; }
.gs-btn-ghost:hover { background: var(--color-primary-50); }
html.dark .gs-btn-ghost { color: var(--color-primary-400); }
html.dark .gs-btn-ghost:hover { background: rgb(99 102 241 / 0.1); }
.gs-btn-outline-light {
  background: transparent; color: white; border: 2px solid rgba(255, 255, 255, 0.3);
}
.gs-btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.5); color: white; transform: translateY(-2px);
}
.gs-btn-lg { padding: 1rem 2.5rem; font-size: 1.0625rem; }

/* ===== IMAGE PLACEHOLDER ===== */
.gs-img-placeholder {
  background: linear-gradient(135deg, var(--color-slate-100) 0%, var(--color-slate-200) 100%);
  border: 2px dashed var(--color-slate-300); border-radius: var(--radius-xl);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem;
  color: var(--color-slate-400); overflow: hidden; position: relative; min-height: 200px;
}
html.dark .gs-img-placeholder { background: linear-gradient(135deg, var(--color-slate-800) 0%, var(--color-slate-900) 100%); border-color: var(--color-slate-700); color: var(--color-slate-500); }
.gs-img-placeholder svg { width: 3rem; height: 3rem; opacity: 0.5; }
.gs-img-placeholder span { font-size: 0.8125rem; font-weight: 500; text-align: center; padding: 0 1rem; }

/* ===== ICON RINGS ===== */
.gs-icon-ring { width: 3.5rem; height: 3.5rem; border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.gs-icon-ring svg { width: 1.5rem; height: 1.5rem; }
.gs-icon-ring-primary { background: var(--color-primary-100); color: var(--color-primary-600); }
html.dark .gs-icon-ring-primary { background: rgb(99 102 241 / 0.15); color: var(--color-primary-400); }
.gs-icon-ring-green { background: #d1fae5; color: #059669; }
html.dark .gs-icon-ring-green { background: rgb(5 150 105 / 0.15); color: #34d399; }
.gs-icon-ring-blue { background: #dbeafe; color: #2563eb; }
html.dark .gs-icon-ring-blue { background: rgb(37 99 235 / 0.15); color: #60a5fa; }
.gs-icon-ring-amber { background: #fef3c7; color: #d97706; }
html.dark .gs-icon-ring-amber { background: rgb(217 119 6 / 0.15); color: #fbbf24; }
.gs-icon-ring-purple { background: #f3e8ff; color: #7c3aed; }
html.dark .gs-icon-ring-purple { background: rgb(124 58 237 / 0.15); color: #a78bfa; }
.gs-icon-ring-red { background: #fee2e2; color: #dc2626; }
html.dark .gs-icon-ring-red { background: rgb(220 38 38 / 0.15); color: #f87171; }

/* ===== FEATURE CARDS ===== */
.gs-feature-card {
  background: var(--bg-card); border: 1px solid var(--border-primary); border-radius: var(--radius-2xl);
  padding: 2rem; transition: all var(--transition-base); display: flex; flex-direction: column; gap: 1rem;
}
.gs-feature-card:hover { border-color: var(--color-primary-200); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
html.dark .gs-feature-card:hover { border-color: var(--color-primary-800); }

/* ===== TABLE ===== */
.gs-table { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.gs-table thead { background: var(--color-slate-900); color: white; }
html.dark .gs-table thead { background: var(--color-slate-800); }
.gs-table th { padding: 1rem 1.25rem; font-weight: 600; text-align: left; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }
.gs-table td { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border-primary); }
.gs-table tbody tr:last-child td { border-bottom: none; }
.gs-table tbody tr { background: var(--bg-card); transition: background var(--transition-fast); }
.gs-table tbody tr:hover { background: var(--color-primary-50); }
html.dark .gs-table tbody tr:hover { background: rgb(99 102 241 / 0.05); }
.gs-table-highlight { background: linear-gradient(135deg, rgb(5 150 105 / 0.05) 0%, rgb(6 182 212 / 0.05) 100%) !important; border-left: 4px solid var(--success); }

/* ===== TRUST BADGE ===== */
.gs-trust-badge {
  display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.25rem;
  background: rgb(255 255 255 / 0.1); border: 1px solid rgb(255 255 255 / 0.15);
  border-radius: var(--radius-full); backdrop-filter: blur(10px);
  color: rgb(255 255 255 / 0.9); font-size: 0.875rem; font-weight: 500;
}

/* ===== CTA SECTION ===== */
.gs-cta-section {
  background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-900) 50%, var(--color-slate-900) 100%);
  position: relative; overflow: hidden;
}
.gs-cta-section::before {
  content: ''; position: absolute; top: 0; right: 0; width: 50%; height: 100%;
  background: radial-gradient(ellipse at center right, rgb(6 182 212 / 0.15) 0%, transparent 60%); pointer-events: none;
}

/* ===== SCROLL REVEAL ===== */
.gs-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.gs-reveal.revealed { opacity: 1; transform: translateY(0); }
.gs-reveal-delay-1 { transition-delay: 0.1s; }
.gs-reveal-delay-2 { transition-delay: 0.2s; }
.gs-reveal-delay-3 { transition-delay: 0.3s; }
.gs-reveal-delay-4 { transition-delay: 0.4s; }

/* ===== FLOATING CONTROLS ===== */
#floating-controls {
  position: fixed !important; top: 5rem !important; right: 1rem !important;
  z-index: 40 !important; pointer-events: auto !important;
}
@media (max-width: 768px) {
  #floating-controls { z-index: 35 !important; top: 4.5rem !important; }
  body.mobile-menu-open #floating-controls { display: none; }
}

/* ===== MOBILE MENU ===== */
.overflow-hidden { overflow: hidden !important; position: fixed !important; width: 100% !important; }
body.overflow-hidden, html.overflow-hidden { overflow: hidden !important; position: fixed !important; width: 100% !important; height: 100% !important; }
.mobile-menu-container { max-height: calc(100vh - 4rem); }
@media (max-width: 767px) { #mobile-menu-toggle { display: inline-flex !important; align-items: center; justify-content: center; } }
@media (min-width: 768px) { #mobile-menu, #mobile-menu-container { display: none !important; } }
#mobile-menu { width: 100%; min-height: auto; max-height: calc(100vh - 4rem); overflow: visible; z-index: 50 !important; border-bottom-left-radius: var(--radius-lg); border-bottom-right-radius: var(--radius-lg); box-shadow: var(--shadow-xl); }
#mobile-menu.hidden { display: none !important; }
#mobile-menu:not(.hidden) { display: block !important; }
#mobile-menu > div { max-height: calc(100vh - 6rem); }
.mobile-menu-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0, 0, 0, 0.5); z-index: 39; }
.scrollable-container { -webkit-overflow-scrolling: touch; scrollbar-width: thin; scrollbar-color: var(--color-slate-400) transparent; }
.mobile-dropdown-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-in-out; }
.mobile-dropdown-content.show { max-height: 500px; }
.mobile-dropdown svg { transition: transform 0.2s ease-in-out; }
.mobile-dropdown.open svg { transform: rotate(180deg); }

/* ===== MEGA DROPDOWN ===== */
.mega-dropdown { width: auto; min-width: 600px; max-width: 900px; }
.mega-dropdown .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; padding: 1rem; }
.mega-dropdown .section-header { font-weight: 600; color: var(--text-primary); padding: 0.5rem 0; margin-bottom: 0.5rem; border-bottom: 1px solid var(--border-primary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.mega-dropdown .section-items { display: flex; flex-direction: column; gap: 0.25rem; }
.mega-dropdown .section-items a { padding: 0.375rem 0; font-size: 0.875rem; color: var(--text-secondary); text-decoration: none; transition: color var(--transition-fast); }
.mega-dropdown .section-items a:hover { color: var(--color-primary-600); }
@media (max-width: 1024px) { .mega-dropdown { min-width: 500px; max-width: 700px; } }
@media (max-width: 768px) { .mega-dropdown { width: 100vw; max-width: 100vw; left: 0 !important; transform: none !important; } .mega-dropdown .grid { grid-template-columns: 1fr; } }

/* ===== LEGACY COMPAT ===== */
.hero-section { background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-accent-600) 100%); color: white; padding: 5rem 0; position: relative !important; z-index: 1 !important; }
.hero-title { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; margin-bottom: 1.5rem; text-align: center; }
.hero-subtitle { font-size: 1.25rem; opacity: 0.9; text-align: center; max-width: 64rem; margin: 0 auto 2rem; }
.content-section-light { background-color: var(--bg-card); padding: 4rem 0; }
.content-section-dark { background-color: var(--bg-primary); padding: 4rem 0; }
.content-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 3rem; }
.card-primary { background-color: var(--bg-card); color: var(--text-primary); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); padding: 2rem; }
.card-secondary { background-color: var(--bg-secondary); color: var(--text-primary); border-radius: var(--radius-xl); padding: 1.5rem; }

/* Alert variants */
.alert-warning { background-color: var(--warning-light); border: 1px solid var(--warning); border-left: 4px solid var(--warning); border-radius: var(--radius-md); padding: 1.5rem; color: var(--text-primary); }
.alert-error   { background-color: var(--error-light);   border: 1px solid var(--error);   border-left: 4px solid var(--error);   border-radius: var(--radius-md); padding: 1.5rem; color: var(--text-primary); }
.alert-info    { background-color: var(--info-light);    border: 1px solid var(--info);    border-left: 4px solid var(--info);    border-radius: var(--radius-md); padding: 1.5rem; color: var(--text-primary); }
.alert-success { background-color: var(--success-light); border: 1px solid var(--success); border-left: 4px solid var(--success); border-radius: var(--radius-md); padding: 1.5rem; color: var(--text-primary); }

/* Warning / red-flag sections */
.warning-section { background: linear-gradient(135deg, var(--warning-light) 0%, rgba(251,191,36,0.1) 100%); border-radius: var(--radius-xl); padding: 2rem; border-left: 6px solid var(--warning); }
.warning-title   { color: var(--warning); font-weight: 700; font-size: 1.5rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }
.red-flag-section { background: linear-gradient(135deg, var(--error-light) 0%, rgba(239,68,68,0.1) 100%); border-radius: var(--radius-xl); padding: 2rem; border-left: 6px solid var(--error); }
.red-flag-title   { color: var(--error); font-weight: 700; font-size: 1.5rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }

/* Legacy buttons */
.btn-primary { background-color: var(--color-primary-600); color: white; padding: 0.75rem 1.5rem; border-radius: var(--radius-lg); font-weight: 600; transition: all var(--transition-fast); border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.5rem; }
.btn-primary:hover { background-color: var(--color-primary-700); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--text-secondary); padding: 0.75rem 1.5rem; border: 2px solid var(--border-secondary); border-radius: var(--radius-lg); font-weight: 600; transition: all var(--transition-fast); cursor: pointer; display: inline-flex; align-items: center; gap: 0.5rem; }
.btn-secondary:hover { border-color: var(--color-primary-600); color: var(--color-primary-600); }
.btn-primary-enhanced { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; font-size: 0.9375rem; font-weight: 600; border-radius: var(--radius-lg); transition: all var(--transition-base); background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%); color: white; border: none; cursor: pointer; text-decoration: none; box-shadow: 0 4px 14px rgb(79 70 229 / 0.3); }
.btn-primary-enhanced:hover { box-shadow: 0 6px 20px rgb(79 70 229 / 0.4); transform: translateY(-2px); }
.btn-secondary-enhanced { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; font-size: 0.9375rem; font-weight: 600; border-radius: var(--radius-lg); transition: all var(--transition-base); background: var(--bg-card); color: var(--text-primary); border: 2px solid var(--border-primary); cursor: pointer; text-decoration: none; box-shadow: var(--shadow-sm); }
.btn-secondary-enhanced:hover { border-color: var(--color-primary-300); box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* Status badges */
.status-experimental { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #92400e; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; display: inline-block; }
html.dark .status-experimental { background: linear-gradient(135deg, rgba(146,64,14,0.3), rgba(180,83,9,0.3)); color: #fbbf24; }
.status-production { background: linear-gradient(135deg, #dcfce7, #bbf7d0); color: #166534; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; display: inline-block; }
html.dark .status-production { background: linear-gradient(135deg, rgba(22,101,52,0.3), rgba(21,128,61,0.3)); color: #4ade80; }

/* Industry cards */
.industry-card { background-color: var(--bg-card); border-radius: var(--radius-xl); padding: 1.5rem; box-shadow: var(--shadow-md); transition: all var(--transition-fast); border: 1px solid var(--border-primary); }
.industry-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.industry-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.industry-title { color: var(--color-primary-600); font-weight: 700; font-size: 1.25rem; margin-bottom: 0.75rem; }
.industry-description { color: var(--text-secondary); line-height: 1.6; font-size: 0.95rem; }

/* Feature card variants */
.feature-card-positive { background: linear-gradient(135deg, var(--success-light) 0%, rgba(16,185,129,0.05) 100%); border-radius: var(--radius-xl); padding: 2rem; border-left: 6px solid var(--success); transition: transform var(--transition-fast); }
.feature-card-positive:hover { transform: translateY(-2px); }
.feature-card-neutral { background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%); border-radius: var(--radius-xl); padding: 2rem; border-left: 6px solid var(--color-primary-600); box-shadow: var(--shadow-md); transition: transform var(--transition-fast); }
.feature-card-neutral:hover { transform: translateY(-2px); }

/* Form inputs */
.input-enhanced { width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius-lg); border: 1px solid var(--border-primary); transition: all var(--transition-fast); background-color: var(--bg-card); color: var(--text-primary); font-family: var(--font-body); }
.input-enhanced:focus { border-color: var(--color-primary-500); box-shadow: 0 0 0 3px rgb(99 102 241 / 0.2); outline: none; }
.input-enhanced::placeholder { color: var(--text-muted); }

/* Gradient utilities */
.gradient-primary   { background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-accent-500) 100%); }
.gradient-secondary { background: linear-gradient(135deg, var(--color-slate-600)  0%, var(--color-slate-800)  100%); }
.gradient-accent    { background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-primary-600) 100%); }
.gradient-subtle    { background: linear-gradient(135deg, var(--bg-secondary)     0%, var(--bg-primary)       100%); }

/* Heading utils */
.heading-primary   { color: var(--text-primary);   font-weight: 700; margin-bottom: 1rem; }
.heading-secondary { color: var(--text-secondary); font-weight: 600; margin-bottom: 0.75rem; }

/* Link util */
.link-enhanced       { color: var(--color-primary-600); transition: color var(--transition-fast); text-decoration-thickness: 1px; text-underline-offset: 2px; }
.link-enhanced:hover { color: var(--color-primary-700); text-decoration-thickness: 2px; }

/* Radius utils */
.rounded-2xl-custom { border-radius: var(--radius-2xl); }
.rounded-3xl-custom { border-radius: var(--radius-3xl); }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn   { from { opacity: 0; }                           to { opacity: 1; } }
@keyframes slideUp  { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleIn  { from { opacity: 0; transform: scale(0.95); }  to { opacity: 1; transform: scale(1); } }
@keyframes float    { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulse-glow { 0%, 100% { box-shadow: 0 0 20px rgb(99 102 241 / 0.2); } 50% { box-shadow: 0 0 40px rgb(99 102 241 / 0.4); } }
@keyframes shimmer  { 0% { left: -100%; } 100% { left: 100%; } }

.fade-in  { animation: fadeIn  0.3s ease-in-out; }
.slide-up { animation: slideUp 0.3s ease-out; }
.scale-in { animation: scaleIn 0.3s ease-out; }
.loading  { position: relative; overflow: hidden; }
.loading::after { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); animation: shimmer 1.5s infinite; }

::selection { background-color: var(--color-primary-600); color: white; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .gs-section { padding: 3rem 0; }
  .gs-section-title { font-size: 1.875rem; }
  .gs-stat-value { font-size: 2.5rem; }
  .gs-hero { min-height: 70vh; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .content-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .card-primary, .warning-section, .red-flag-section { padding: 1.5rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .gs-reveal { opacity: 1; transform: none; }
}

/* Print */
@media print {
  .no-print { display: none !important; }
  body { background: white !important; color: black !important; }
  * { box-shadow: none !important; }
}

/* High contrast */
@media (prefers-contrast: high) {
  :root { --border-primary: var(--color-slate-900); }
  html.dark { --border-primary: var(--color-slate-50); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--color-slate-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-slate-400); }
html.dark ::-webkit-scrollbar-track { background: var(--color-slate-900); }
html.dark ::-webkit-scrollbar-thumb { background: var(--color-slate-700); }
html.dark ::-webkit-scrollbar-thumb:hover { background: var(--color-slate-600); }