/* ============================================
   Hapino.top — "What's My Number" Design System
   A playful, vibrant, glassmorphic design
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Primary Palette */
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #5b21b6;
  --secondary: #ec4899;
  --secondary-light: #f472b6;
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  --gradient-card: linear-gradient(135deg, rgba(124,58,237,0.12) 0%, rgba(236,72,153,0.08) 100%);
  --gradient-accent: linear-gradient(135deg, #7c3aed, #ec4899);
  --gradient-warm: linear-gradient(135deg, #f59e0b, #f43f5e);
  --gradient-cool: linear-gradient(135deg, #06b6d4, #7c3aed);
  --gradient-nature: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-mesh: radial-gradient(at 20% 80%, rgba(124,58,237,0.25) 0, transparent 50%),
                   radial-gradient(at 80% 20%, rgba(236,72,153,0.2) 0, transparent 50%),
                   radial-gradient(at 50% 50%, rgba(6,182,212,0.15) 0, transparent 50%);

  /* Surfaces */
  --bg-dark: #0a0a1a;
  --bg-body: #0f0e17;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.08);
  --bg-glass: rgba(255,255,255,0.06);
  --bg-glass-border: rgba(255,255,255,0.1);
  --bg-input: rgba(255,255,255,0.07);

  /* Text */
  --text-primary: #fffffe;
  --text-secondary: #a7a9be;
  --text-muted: #72738a;
  --text-accent: #c4b5fd;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-glow: 0 0 30px rgba(124,58,237,0.3);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-card-hover: 0 8px 40px rgba(124,58,237,0.25);
  --shadow-button: 0 4px 15px rgba(124,58,237,0.4);

  /* Fonts */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --font-ui: 'Inter', sans-serif;

  /* Transitions */
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-base: 0.3s var(--ease-smooth);
  --transition-slow: 0.5s var(--ease-smooth);

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
}
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--secondary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.2; font-weight: 700; }

/* --- Utility Classes --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); position: relative; z-index: 1; }
.section { padding: var(--space-4xl) 0; }
.text-gradient { background: var(--gradient-accent); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Animated Background Orbs --- */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.bg-orbs .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: orbFloat 20s ease-in-out infinite;
}
.bg-orbs .orb:nth-child(1) { width: 400px; height: 400px; background: var(--primary); top: -10%; left: -5%; animation-delay: 0s; }
.bg-orbs .orb:nth-child(2) { width: 300px; height: 300px; background: var(--secondary); top: 40%; right: -8%; animation-delay: -7s; }
.bg-orbs .orb:nth-child(3) { width: 350px; height: 350px; background: var(--accent-cyan); bottom: -10%; left: 30%; animation-delay: -14s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: rgba(15,14,23,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--bg-glass-border), 0 4px 20px rgba(0,0,0,0.3);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(124,58,237,0.4); }
  50% { box-shadow: 0 0 35px rgba(124,58,237,0.6), 0 0 60px rgba(236,72,153,0.2); }
}
.nav-links { display: flex; align-items: center; gap: var(--space-xl); }
.nav-links a {
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transition: width var(--transition-base);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(15,14,23,0.95);
  backdrop-filter: blur(20px);
  padding: var(--space-lg);
  z-index: 999;
  border-bottom: 1px solid var(--bg-glass-border);
}
.mobile-nav.open { display: flex; flex-direction: column; gap: var(--space-md); }
.mobile-nav a {
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  position: relative;
}
.hero-content { max-width: 800px; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-lg);
  font-size: 0.85rem;
  color: var(--text-accent);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.6s var(--ease-smooth) both;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s var(--ease-smooth) 0.1s both;
}
.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  animation: fadeInUp 0.6s var(--ease-smooth) 0.2s both;
}
.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--ease-smooth) 0.3s both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: var(--shadow-button);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124,58,237,0.5);
  color: white;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn-primary:hover::before { opacity: 1; }
.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  color: var(--text-primary);
}
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* --- Tool Cards Grid --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}
.tool-card {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  transition: height var(--transition-base);
}
.tool-card:nth-child(1)::before { background: var(--gradient-accent); }
.tool-card:nth-child(2)::before { background: var(--gradient-warm); }
.tool-card:nth-child(3)::before { background: var(--gradient-nature); }
.tool-card:nth-child(4)::before { background: var(--gradient-cool); }
.tool-card:nth-child(5)::before { background: linear-gradient(135deg, #f59e0b, #7c3aed); }
.tool-card:nth-child(6)::before { background: linear-gradient(135deg, #f43f5e, #ec4899); }
.tool-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.tool-card:hover::before { height: 4px; }
.tool-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
  position: relative;
}
.tool-card:nth-child(1) .tool-card-icon { background: rgba(124,58,237,0.15); }
.tool-card:nth-child(2) .tool-card-icon { background: rgba(245,158,11,0.15); }
.tool-card:nth-child(3) .tool-card-icon { background: rgba(16,185,129,0.15); }
.tool-card:nth-child(4) .tool-card-icon { background: rgba(6,182,212,0.15); }
.tool-card:nth-child(5) .tool-card-icon { background: rgba(245,158,11,0.15); }
.tool-card:nth-child(6) .tool-card-icon { background: rgba(244,63,94,0.15); }
.tool-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
}
.tool-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}
.tool-card-arrow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: var(--space-lg);
  transition: gap var(--transition-base);
}
.tool-card:hover .tool-card-arrow { gap: var(--space-md); }

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.section-header .label {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-light);
  margin-bottom: var(--space-md);
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: var(--space-md);
}
.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-3xl) 0;
}
.stat-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}

/* --- Tool Page Layout --- */
.tool-page {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-4xl);
  min-height: 100vh;
}
.tool-page-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.tool-page-header .tool-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto var(--space-lg);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-glow);
}
.tool-page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
}
.tool-page-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.tool-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.tool-workspace {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(12px);
  margin-bottom: var(--space-2xl);
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--space-lg);
}
.form-group label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-input);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
  background: rgba(255,255,255,0.1);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a7a9be' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.form-select option { background: #1a1a2e; color: white; }
.form-textarea { resize: vertical; min-height: 100px; }
.checkbox-group { display: flex; flex-direction: column; gap: var(--space-sm); }
.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-input);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.checkbox-item:hover { background: var(--bg-card-hover); border-color: var(--bg-glass-border); }
.checkbox-item input[type="checkbox"],
.checkbox-item input[type="radio"] { accent-color: var(--primary); width: 18px; height: 18px; cursor: pointer; }
.checkbox-item label { cursor: pointer; font-size: 0.95rem; color: var(--text-secondary); }

/* --- Result Display --- */
.result-panel {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(12px);
  display: none;
  animation: fadeInUp 0.5s var(--ease-smooth);
}
.result-panel.visible { display: block; }
.result-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--bg-glass-border);
}
.result-score {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: var(--space-sm);
}
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.result-item:last-child { border-bottom: none; }
.result-label { color: var(--text-secondary); font-size: 0.9rem; }
.result-value { font-weight: 600; font-family: var(--font-display); }
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-sm);
}
.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  transition: width 1s var(--ease-smooth);
}
.share-section {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--bg-glass-border);
}
.share-section p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: var(--space-md); }
.share-btns { display: flex; justify-content: center; gap: var(--space-md); flex-wrap: wrap; }

/* --- Article / Blog Content --- */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
.article-content h2 {
  font-size: 1.6rem;
  color: var(--text-primary);
  margin: var(--space-2xl) 0 var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--bg-glass-border);
}
.article-content h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin: var(--space-xl) 0 var(--space-md);
}
.article-content p { margin-bottom: var(--space-lg); }
.article-content ul, .article-content ol { margin-bottom: var(--space-lg); padding-left: var(--space-xl); }
.article-content li { margin-bottom: var(--space-sm); list-style: disc; color: var(--text-secondary); }
.article-content ol li { list-style: decimal; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
  font-size: 0.95rem;
}
.article-content th, .article-content td {
  padding: var(--space-md);
  border: 1px solid var(--bg-glass-border);
  text-align: left;
}
.article-content th {
  background: rgba(124,58,237,0.1);
  font-weight: 600;
  color: var(--text-primary);
}
.article-content td { color: var(--text-secondary); }
.article-content blockquote {
  border-left: 3px solid var(--primary);
  padding: var(--space-md) var(--space-xl);
  margin: var(--space-xl) 0;
  background: rgba(124,58,237,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-accent);
  font-style: italic;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.article-meta .tag {
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}
.blog-card {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  color: var(--text-primary);
}
.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-card-body { padding: var(--space-xl); flex: 1; display: flex; flex-direction: column; }
.blog-card-body h3 { font-size: 1.1rem; margin-bottom: var(--space-sm); line-height: 1.4; }
.blog-card-body p { color: var(--text-secondary); font-size: 0.9rem; flex: 1; }
.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-lg);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Static Pages (About/Contact/etc) --- */
.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.page-content h2 {
  font-size: 1.5rem;
  margin: var(--space-2xl) 0 var(--space-lg);
  color: var(--text-primary);
}
.page-content h3 {
  font-size: 1.2rem;
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--text-primary);
}
.page-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}
.page-content ul { padding-left: var(--space-xl); margin-bottom: var(--space-lg); }
.page-content li { list-style: disc; color: var(--text-secondary); margin-bottom: var(--space-sm); }
.contact-form { max-width: 500px; margin: var(--space-xl) auto; }

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--bg-glass-border);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-md);
  line-height: 1.6;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}
.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary-light); }

/* --- Animations (scroll reveal) --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Safety: ensure article content is always visible even if JS fails */
.page-content .glass-card,
.article-content,
.tool-workspace,
.result-panel.visible {
  opacity: 1 !important;
  transform: none !important;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Marquee/Ticker --- */
.marquee-strip {
  overflow: hidden;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--bg-glass-border);
  border-bottom: 1px solid var(--bg-glass-border);
  margin: var(--space-3xl) 0;
}
.marquee-inner {
  display: flex;
  gap: var(--space-3xl);
  animation: marqueeScroll 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.marquee-inner span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.marquee-inner span .emoji { font-size: 1.3rem; }
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Fun Extras --- */
.floating-emoji {
  position: absolute;
  font-size: 2rem;
  animation: float 6s ease-in-out infinite;
  pointer-events: none;
  opacity: 0.5;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}
.sparkle {
  display: inline-block;
  animation: sparkle 1.5s ease-in-out infinite;
}
@keyframes sparkle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* --- Loading Spinner --- */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-glass-border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: var(--space-xl) auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- FAQ Accordion --- */
.faq-list { display: flex; flex-direction: column; gap: var(--space-md); }
.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}
.faq-item:hover { border-color: rgba(124,58,237,0.25); }
.faq-item.active { border-color: rgba(124,58,237,0.4); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
  gap: var(--space-md);
  line-height: 1.4;
}
.faq-question:hover { color: var(--primary-light); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(124,58,237,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform var(--transition-base), background var(--transition-base);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: rgba(124,58,237,0.25);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-smooth), padding 0.4s var(--ease-smooth);
  padding: 0 var(--space-xl);
}
.faq-item.active .faq-answer {
  max-height: 600px;
  padding: 0 var(--space-xl) var(--space-xl);
}
.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}
.faq-answer a { color: var(--primary-light); }
.faq-category-label {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-light);
  background: rgba(124,58,237,0.1);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .tools-grid, .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .hero { min-height: auto; padding-top: calc(var(--header-height) + var(--space-4xl)); padding-bottom: var(--space-3xl); }
  .hero h1 { font-size: 2.2rem; }
  .tool-workspace, .glass-card, .result-panel { padding: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}