/* ========================================
   AgentFlow — AI Agent Marketplace
   Modern, Dark-themed Design
   ======================================== */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-elevated: #252542;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b80;
  --border: #2a2a3e;
  --border-light: #35355a;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-dark: #4f46e5;
  --gradient-1: linear-gradient(135deg, #6366f1, #8b5cf6);
  --gradient-2: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --gradient-3: linear-gradient(135deg, #06b6d4, #6366f1);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }
img { max-width: 100%; display: block; }

/* --- Utility --- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 500; border-radius: var(--radius-sm);
  transition: var(--transition); white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-md { padding: 12px 24px; font-size: 0.95rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--gradient-1); color: #fff;
  box-shadow: 0 2px 12px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(99,102,241,0.45);
}
.btn-ghost { color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.btn-outline {
  border: 1px solid var(--border-light); color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover { border-color: var(--accent); background: rgba(99,102,241,0.1); }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

/* --- Navbar --- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.navbar.scrolled { background: rgba(10,10,15,0.95); }
.nav-container {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; height: 72px; gap: 32px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem;
  color: var(--text-primary);
}
.nav-links { display: flex; gap: 8px; margin-left: 16px; }
.nav-link {
  padding: 8px 16px; font-size: 0.9rem; color: var(--text-secondary);
  border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 12px;
  transition: var(--transition);
}
.nav-search:focus-within { border-color: var(--accent); }
.nav-search svg { color: var(--text-muted); flex-shrink: 0; }
.nav-search input {
  background: none; border: none; outline: none; color: var(--text-primary);
  font-size: 0.9rem; width: 160px;
}
.nav-search input::placeholder { color: var(--text-muted); }
.cart-btn-wrap { position: relative; }
.cart-count {
  position: absolute; top: -4px; right: -4px;
  background: var(--accent); color: #fff; font-size: 0.65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* --- Hero --- */
.hero {
  position: relative; padding: 160px 24px 100px; overflow: hidden;
  min-height: 90vh; display: flex; align-items: center; justify-content: center;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}
.orb1 { width: 500px; height: 500px; background: #6366f1; top: -10%; left: -5%; }
.orb2 { width: 400px; height: 400px; background: #a855f7; bottom: -5%; right: -5%; animation-delay: -7s; }
.orb3 { width: 300px; height: 300px; background: #06b6d4; top: 50%; left: 50%; animation-delay: -14s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 800px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  padding: 6px 16px; border-radius: 100px; font-size: 0.85rem; color: var(--accent-light);
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero-title { font-size: 4rem; font-weight: 900; line-height: 1.1; margin-bottom: 20px; }
.hero-subtitle { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-search-box {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 8px 8px 8px 20px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.hero-search-box:focus-within { border-color: var(--accent); box-shadow: var(--shadow-glow), var(--shadow-lg); }
.hero-search-box svg { color: var(--text-muted); flex-shrink: 0; }
.hero-search-box input {
  background: none; border: none; outline: none; color: var(--text-primary);
  font-size: 1.05rem; flex: 1;
}
.hero-search-box input::placeholder { color: var(--text-muted); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 28px; }
.tag-tag {
  padding: 6px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 500;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text-secondary); transition: var(--transition); cursor: pointer;
}
.tag-tag:hover { border-color: var(--accent); color: var(--accent-light); background: rgba(99,102,241,0.1); }
.hero-stats { display: flex; gap: 40px; justify-content: center; margin-top: 60px; }
.hero-stat { text-align: center; }
.hero-stat-number { font-size: 1.8rem; font-weight: 800; background: var(--gradient-2); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.hero-stat-divider { width: 1px; background: var(--border); align-self: stretch; }

/* --- Section Header --- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; }
.section-header p { color: var(--text-secondary); font-size: 1.1rem; }

/* --- Categories --- */
.categories { padding: 100px 24px; }
.category-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px;
}
.category-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 28px 24px;
  display: flex; align-items: center; gap: 16px; cursor: pointer;
  transition: var(--transition);
}
.category-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.category-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0;
}
.category-name { font-weight: 600; font-size: 0.95rem; }
.category-count { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* --- Marketplace Controls --- */
.marketplace-controls { margin-bottom: 32px; }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-btn {
  padding: 8px 18px; border-radius: 100px; font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary); border: 1px solid var(--border);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--accent-light); color: var(--text-primary); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.sort-bar { display: flex; gap: 8px; align-items: center; }
.sort-bar select {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary);
  padding: 8px 12px; border-radius: var(--radius-sm); font-size: 0.85rem; outline: none;
}
.view-toggle { padding: 8px !important; border-radius: var(--radius-sm) !important; }
.view-toggle.active { background: var(--bg-elevated); color: var(--accent-light); }

/* --- Agent Grid --- */
.agent-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px;
  margin-bottom: 40px;
}
.agent-grid.list-view { grid-template-columns: 1fr; }
.agent-grid.list-view .agent-card { flex-direction: row; }
.agent-grid.list-view .agent-thumb { width: 200px; min-height: auto; }

.agent-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  display: flex; flex-direction: column;
  transition: var(--transition); cursor: pointer;
}
.agent-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.agent-thumb {
  height: 160px; display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem; position: relative; overflow: hidden;
}
.agent-thumb::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg-card), transparent 60%);
}
.agent-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.agent-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.agent-category {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  padding: 3px 10px; border-radius: 100px;
  background: rgba(99,102,241,0.15); color: var(--accent-light);
}
.agent-rating { font-size: 0.8rem; color: var(--warning); display: flex; align-items: center; gap: 4px; }
.agent-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.agent-desc { font-size: 0.85rem; color: var(--text-secondary); flex: 1; margin-bottom: 14px; line-height: 1.5; }
.agent-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border); }
.agent-price { font-size: 1.2rem; font-weight: 700; color: var(--success); }
.agent-price.free { color: var(--accent-light); }
.agent-price .original { font-size: 0.85rem; color: var(--text-muted); text-decoration: line-through; margin-left: 8px; font-weight: 400; }
.btn-add-cart {
  background: var(--accent); color: #fff; padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600; transition: var(--transition);
}
.btn-add-cart:hover { background: var(--accent-dark); transform: scale(1.05); }

.load-more-wrap { text-align: center; }

/* --- Pricing --- */
.pricing { padding: 100px 24px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 32px;
  text-align: center; transition: var(--transition); position: relative;
}
.pricing-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--accent); box-shadow: var(--shadow-glow);
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.05));
}
.pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 4px 16px; border-radius: 100px; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.pricing-badge { background: rgba(255,255,255,0.1); color: var(--text-secondary); }
.pricing-card.featured .pricing-badge { background: var(--gradient-1); color: #fff; }
.pricing-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.pricing-amount { font-size: 3rem; font-weight: 900; margin: 20px 0; }
.pricing-amount .currency { font-size: 1.5rem; vertical-align: super; }
.pricing-amount .period { font-size: 0.9rem; color: var(--text-muted); font-weight: 400; }
.pricing-features { list-style: none; text-align: left; margin: 24px 0; }
.pricing-features li { padding: 8px 0; font-size: 0.9rem; color: var(--text-secondary); display: flex; align-items: center; gap: 10px; }
.pricing-features li::before { content: '✓'; color: var(--success); font-weight: 700; }

/* --- Sellers --- */
.sellers { padding: 100px 24px; }
.sellers-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.seller-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 24px;
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition); cursor: pointer;
}
.seller-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.seller-avatar {
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 700; flex-shrink: 0;
}
.seller-info { flex: 1; }
.seller-name { font-weight: 600; font-size: 0.95rem; }
.seller-stats { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* --- Footer --- */
.footer { border-top: 1px solid var(--border); padding: 64px 24px 32px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px;
}
.footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a { display: block; padding: 4px 0; font-size: 0.85rem; color: var(--text-secondary); transition: var(--transition); }
.footer-col a:hover { color: var(--accent-light); }
.footer-socials { display: flex; gap: 8px; margin-top: 16px; }
.social-icon {
  width: 36px; height: 36px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border); font-size: 0.75rem; font-weight: 700; color: var(--text-muted);
  transition: var(--transition);
}
.social-icon:hover { border-color: var(--accent); color: var(--accent-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a:hover { color: var(--accent-light); }

/* --- Cart Sidebar --- */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 200;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0; width: 400px; max-width: 90vw;
  background: var(--bg-secondary); border-left: 1px solid var(--border);
  z-index: 201; transform: translateX(100%); transition: var(--transition);
  display: flex; flex-direction: column;
}
.cart-sidebar.open { transform: translateX(0); }
.cart-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.cart-header h3 { font-size: 1.1rem; font-weight: 700; }
.cart-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-empty { text-align: center; padding: 48px 16px; color: var(--text-muted); }
.cart-empty p { font-weight: 500; margin-top: 12px; }
.cart-empty-hint { font-size: 0.85rem; }
.cart-item { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.cart-item-thumb { width: 56px; height: 56px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.cart-item-info { flex: 1; }
.cart-item-name { font-weight: 600; font-size: 0.9rem; }
.cart-item-cat { font-size: 0.75rem; color: var(--text-muted); }
.cart-item-price { font-weight: 700; font-size: 0.9rem; color: var(--success); margin-top: 4px; }
.cart-item-remove { color: var(--text-muted); font-size: 0.8rem; padding: 2px 0; transition: var(--transition); }
.cart-item-remove:hover { color: var(--danger); }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--border); }
.cart-total { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.1rem; margin-bottom: 16px; }
.cart-total-amount { color: var(--success); }

/* --- Modal --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 300;
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal-content {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); max-width: 640px; width: 100%;
  max-height: 85vh; overflow-y: auto; position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-secondary);
  transition: var(--transition);
}
.modal-close:hover { color: var(--text-primary); border-color: var(--accent); }
.modal-hero { height: 200px; display: flex; align-items: center; justify-content: center; font-size: 5rem; position: relative; }
.modal-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg-secondary), transparent 60%);
}
.modal-body { padding: 0 32px 32px; position: relative; margin-top: -40px; }
.modal-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.modal-seller { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
.modal-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px; }
.modal-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.modal-tag { padding: 4px 12px; border-radius: 100px; font-size: 0.8rem; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-secondary); }
.modal-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.modal-stat { text-align: center; padding: 12px; background: var(--bg-card); border-radius: var(--radius-sm); }
.modal-stat-value { font-weight: 700; font-size: 1.1rem; }
.modal-stat-label { font-size: 0.75rem; color: var(--text-muted); }
.modal-footer { display: flex; gap: 12px; align-items: center; }
.modal-price { font-size: 2rem; font-weight: 900; color: var(--success); }

/* --- Checkout Modal --- */
.checkout-modal { max-width: 480px; }
.checkout-body { padding: 32px; }
.checkout-body h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 24px; }
.checkout-items { margin-bottom: 24px; }
.checkout-item { display: flex; justify-content: space-between; padding: 8px 0; font-size: 0.9rem; color: var(--text-secondary); }
.checkout-divider { border-top: 1px solid var(--border); margin: 16px 0; }
.checkout-total { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.1rem; margin-bottom: 24px; }
.checkout-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: flex; gap: 12px; }
.form-group { flex: 1; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.form-group input {
  width: 100%; padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.9rem; outline: none;
  transition: var(--transition);
}
.form-group input:focus { border-color: var(--accent); }
.checkout-summary { background: var(--bg-card); border-radius: var(--radius-sm); padding: 16px; margin-bottom: 20px; }
.checkout-success { text-align: center; padding: 40px 32px; }
.checkout-success .success-icon { font-size: 3rem; margin-bottom: 16px; }
.checkout-success h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.checkout-success p { color: var(--text-secondary); font-size: 0.9rem; }

/* --- Toast --- */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 400;
  background: var(--bg-card); border: 1px solid var(--success);
  border-radius: var(--radius-sm); padding: 14px 20px;
  font-size: 0.9rem; font-weight: 500; color: var(--text-primary);
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
  transform: translateY(100px); opacity: 0; transition: var(--transition);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-search { display: none; }
  .hero { padding: 120px 16px 60px; min-height: auto; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-search-box { flex-direction: column; padding: 12px; }
  .hero-search-box input { width: 100%; text-align: center; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .hero-stat-divider { display: none; }
  .hero-stat-number { font-size: 1.4rem; }
  .agent-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.8rem; }
  .modal-stats { grid-template-columns: repeat(3, 1fr); }
  .form-row { flex-direction: column; }
}
@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr; }
  .hero-tags { gap: 6px; }
}