/* ==========================================================================
   NARO AI — AGENCIA DE INTELIGENCIA ARTIFICIAL & DESARROLLO (MAR DEL PLATA)
   Full Component Styles & Layout Engine (Clean Desktop & Mobile App Experience)
   ========================================================================== */

:root {
  /* Colors - Mar del Plata Coastal Tech Palette */
  --bg-dark: #070a12;
  --bg-dark-secondary: #0d1322;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(26, 38, 66, 0.75);
  
  --primary-blue: #3b82f6;
  --primary-cyan: #06b6d4;
  --primary-glow: rgba(59, 130, 246, 0.4);
  
  --whatsapp-green: #10b981;
  --whatsapp-green-hover: #059669;
  --whatsapp-glow: rgba(16, 185, 129, 0.4);
  
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #94a3b8;
  
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glass-hover: rgba(96, 165, 250, 0.35);
  --border-neon: rgba(59, 130, 246, 0.5);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Grotesk', monospace;

  /* Layout & Spacing */
  --container-max: 1280px;
  --nav-height: 72px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Overflow Control */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 45%, rgba(16, 185, 129, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    var(--bg-dark);
  background-attachment: fixed;
  color: var(--text-main);
  overflow-x: hidden;
  width: 100%;
}

/* Typography Standards */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 3.2vw, 3rem); }
h2 { font-size: clamp(1.8rem, 2.8vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 1.8vw, 1.7rem); }
p { color: var(--text-muted); font-size: 1.05rem; }
a { color: inherit; text-decoration: none; }

/* Utility Classes */
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }

/* Layout Helpers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-align { display: flex; align-items: center; gap: 0.75rem; }
.flex-gap { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.flex-wrap { flex-wrap: wrap; }
.grid-2-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2.5rem; align-items: center; }

.text-center { text-align: center; }
.font-weight-bold { font-weight: 700; }
.margin-top-xs { margin-top: 0.5rem; }
.margin-top-sm { margin-top: 1rem; }
.margin-top-md { margin-top: 1.5rem; }
.margin-top-lg { margin-top: 2rem; }
.margin-top-xl { margin-top: 3rem; }
.margin-bottom-xs { margin-bottom: 0.5rem; }
.margin-bottom-sm { margin-bottom: 1rem; }
.margin-bottom-md { margin-bottom: 1.5rem; }
.margin-bottom-lg { margin-bottom: 2rem; }
.gap-md { gap: 1.5rem; }
.gap-lg { gap: 2rem; }
.gap-xl { gap: 3rem; }
.padding-md { padding: 1.5rem; }
.padding-lg { padding: 2.5rem; }
.block { display: block; }
.overflow-auto { overflow-x: auto; }

/* Gradient Text */
.text-gradient-blue {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-green {
  background: linear-gradient(135deg, #34d399 0%, #10b981 50%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-amber {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Desktop Header & Glass Nav */
.glass-nav-container {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 3rem);
  max-width: var(--container-max);
  height: 72px;
  background: rgba(13, 19, 34, 0.85);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  z-index: 1000;
  display: flex;
  align-items: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-links a {
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-links a.active, .nav-links a:hover {
  color: var(--primary-blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: none;
}

/* Mobile Drawer Overlay & Drawer Hidden By Default */
.mobile-drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 7, 13, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-drawer-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background: rgba(13, 19, 34, 0.96);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-left: 1px solid var(--border-glass);
  z-index: 1999;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
}

/* Active State for Mobile Drawer */
.mobile-drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-menu.active {
  transform: translateX(0);
}

.drawer-header {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-glass);
}

.drawer-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background var(--transition-fast);
}

.drawer-close-btn:active {
  transform: scale(0.95);
  background: rgba(255, 255, 255, 0.15);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 0;
  overflow-y: auto;
}

.drawer-links a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  transition: background var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
}

.drawer-links a i {
  color: var(--primary-blue);
  width: 20px;
}

.drawer-links a:active, .drawer-links a:hover {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.drawer-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Floating WhatsApp Button */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
  z-index: 1500;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 40px rgba(16, 185, 129, 0.8);
}

.floating-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background: #34d399;
  color: #042f2e;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/* Glassmorphism Cards */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--border-glass);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--border-glass);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 25px rgba(59, 130, 246, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* Badges Base & Color Variants */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: fit-content;
}

.badge-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0.9;
}

.badge-subtle {
  font-size: 0.78rem;
  padding: 0.3rem 0.85rem;
  letter-spacing: 0.03em;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #60a5fa;
  margin-bottom: 0.85rem;
}

.badge-location {
  background: rgba(59, 130, 246, 0.12) !important;
  border: 1px solid rgba(59, 130, 246, 0.3) !important;
  color: #60a5fa !important;
}

.badge-status {
  background: rgba(16, 185, 129, 0.12) !important;
  border: 1px solid rgba(16, 185, 129, 0.3) !important;
  color: #34d399 !important;
}

.badge-amber {
  background: rgba(245, 158, 11, 0.12) !important;
  border: 1px solid rgba(245, 158, 11, 0.3) !important;
  color: #fbbf24 !important;
}

.visual-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #60a5fa;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #34d399;
  box-shadow: 0 0 10px #34d399;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  white-space: nowrap;
  min-height: 44px;
}

.btn-sm { padding: 0.45rem 1.15rem; font-size: 0.88rem; min-height: 38px; }
.btn-full { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6); }

.btn-whatsapp {
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--whatsapp-glow);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(16, 185, 129, 0.6); }

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.25); transform: translateY(-2px); }

.btn-hero-primary {
  padding: 0.85rem 1.6rem;
  font-size: 0.98rem;
}

.btn-hero-secondary {
  padding: 0.85rem 1.35rem;
  font-size: 0.92rem;
  opacity: 0.9;
}
.btn-hero-secondary:hover { opacity: 1; }

/* Typing Indicator Animation */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  padding: 0.75rem 1.25rem;
}

.typing-indicator .dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-indicator .dot:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Portfolio Filters */
.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--primary-blue);
  color: var(--text-main);
}

/* Hero Section */
.hero-section {
  padding-top: 8.5rem;
  padding-bottom: 5rem;
  position: relative;
}

.hero-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.18;
  font-weight: 800;
  max-width: 620px;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 1.15rem 0 0.4rem 0;
  font-size: 1.15rem;
  line-height: 1.5;
  color: #f1f5f9;
  font-weight: 500;
  max-width: 580px;
}

.hero-sublead {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.75rem;
  max-width: 560px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-stats-row {
  margin-top: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1rem 0.85rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  display: block;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

/* Manifesto Cards */
.manifesto-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* Chat Visual Preview */
.chat-preview-box {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.25rem;
}

.chat-msg {
  padding: 1rem 1.25rem;
  border-radius: 18px;
  font-size: 0.95rem;
  max-width: 88%;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.msg-user {
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.4);
  align-self: flex-start;
  color: #e2e8f0;
}

.msg-bot {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  align-self: flex-end;
  color: #f1f5f9;
}

.chat-msg .time {
  font-size: 0.75rem;
  color: var(--text-dim);
  align-self: flex-end;
}

/* Sections */
.section-padding { padding: 5.5rem 0; }
.bg-secondary-glow { background: rgba(13, 19, 34, 0.4); }

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}
.section-header p { margin-top: 1rem; font-size: 1.15rem; }

/* Service Cards & Modals */
.service-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  cursor: pointer;
}

.service-tag {
  align-self: flex-start;
  margin-bottom: 0.25rem;
}

.service-icon {
  font-size: 2.2rem;
  color: var(--primary-blue);
}

.service-features {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.service-features i { color: var(--whatsapp-green); width: 18px; }

.featured-service {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.05);
}

/* Modal Overlay & Content */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 2.5rem;
  border-color: var(--primary-blue);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
}

.modal-close:hover { color: var(--text-main); }

/* Portfolio Showcase & Real Project Cards */
.portfolio-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-browser {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.browser-dots {
  display: flex;
  gap: 0.35rem;
}

.browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.browser-url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portfolio-location {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.portfolio-desc { font-size: 0.95rem; margin-top: 0.75rem; }
.portfolio-metric { font-weight: 700; font-size: 0.9rem; }

.project-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.project-links .btn {
  flex: 1;
  min-width: 120px;
  font-size: 0.85rem;
  padding: 0.5rem 0.85rem;
}


/* Calculator */
.calc-label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.custom-select, .custom-input {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
}

.custom-select:focus, .custom-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.custom-range {
  width: 100%;
  accent-color: var(--primary-blue);
  cursor: pointer;
}

.result-number {
  font-size: 2.8rem;
  font-weight: 900;
  font-family: var(--font-heading);
  margin: 1rem 0;
}

.roi-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-weight: 700;
}

/* Bot Simulator */
.bot-simulator-wrapper {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem;
}

.bot-header {
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1rem;
}

.bot-avatar { font-size: 2rem; }

.bot-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  font-size: 0.75rem;
  font-weight: 700;
}

.bot-chat-body {
  height: 320px;
  overflow-y: auto;
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bot-msg {
  max-width: 80%;
  padding: 0.85rem 1.25rem;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.msg-received {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border-glass);
  align-self: flex-start;
}

.msg-sent {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  align-self: flex-end;
}

.opt-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.opt-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--primary-blue);
}

/* FAQs Accordion Smooth Transition */
.faqs-accordion-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-question {
  cursor: pointer;
  user-select: none;
}

.faq-answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease, margin 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  opacity: 1;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-glass);
}

.faq-question i {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th, .custom-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.custom-table th {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-main);
  font-family: var(--font-heading);
}

/* Form Container & Labels Fix */
.form-container {
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  display: block;
}

/* Footer */
.main-footer {
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--border-glass);
  background: #04070d;
}

.footer-brand { font-size: 1.25rem; font-weight: 800; }
.footer-tagline { font-size: 0.95rem; color: var(--text-muted); margin-top: 0.35rem; }
.footer-links a { color: var(--text-muted); margin: 0 0.5rem; font-size: 0.9rem; }
.footer-links a:hover { color: var(--primary-blue); }
.footer-copy { font-size: 0.8rem; color: var(--text-dim); }

/* ==========================================================================
   MOBILE-FIRST SAAS REDESIGN (Breakpoints 390px, 430px, 768px, 1024px)
   ========================================================================== */

@media (max-width: 1024px) {
  /* Activate Drawer Menu Only On Mobile/Tablet */
  .mobile-drawer-overlay {
    display: block;
  }

  .mobile-drawer-menu {
    display: flex;
  }

  /* Header & Navbar Mobile */
  .glass-nav-container {
    width: calc(100% - 2rem);
    height: 68px;
    top: 0.75rem;
    padding: 0 1rem;
  }

  .desktop-only {
    display: none !important;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    cursor: pointer;
  }

  .mobile-menu-btn:active {
    transform: scale(0.95);
  }

  /* Single Column Mobile Hero (Centered with Air) */
  .grid-hero {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
    text-align: center;
  }

  .hero-section {
    padding-top: 7rem;
    padding-bottom: 4rem;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 100%;
  }

  .badge-subtle {
    margin: 0 auto 0.75rem auto;
  }

  .hero-title {
    font-size: clamp(1.75rem, 5.5vw, 2.35rem);
    line-height: 1.22;
    text-align: center;
    max-width: 100%;
  }

  .hero-lead {
    font-size: 1.05rem;
    text-align: center;
    margin: 1rem 0 0.35rem 0;
    max-width: 95%;
  }

  .hero-sublead {
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 1.75rem;
  }

  /* Full Width 56px Touch Buttons */
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.85rem;
    margin-bottom: 2rem;
  }

  .btn-hero-primary, .btn-hero-secondary {
    width: 100%;
    height: 56px;
    min-height: 44px;
    border-radius: var(--radius-full);
    font-size: 1.02rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .btn-hero-primary:active, .btn-hero-secondary:active {
    transform: scale(0.98);
  }

  .hero-stats-row {
    width: 100%;
    margin-top: 1rem;
  }

  /* Agent Visual Card Centered Immediately After Buttons */
  .hero-visual {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
  }

  .container {
    padding: 0 1.5rem; /* 24px Mobile Air Padding */
  }
}

/* Desktop Rules Explicit (>= 1025px) */
@media (min-width: 1025px) {
  .mobile-drawer-overlay,
  .mobile-drawer-menu {
    display: none !important;
  }
}

/* Specific Target Breakpoints: 768px, 430px, 390px */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .hero-section {
    padding-top: 6.5rem;
  }

  .stat-number {
    font-size: 1.75rem;
  }
  
  .stat-label {
    font-size: 0.75rem;
  }
}

@media (max-width: 430px) {
  .container {
    padding: 0 1.25rem;
  }

  .glass-nav-container {
    width: calc(100% - 1.25rem);
    height: 64px;
  }

  .logo-brand {
    font-size: 1.2rem;
  }

  .nav-cta {
    padding: 0.4rem 0.85rem;
    font-size: 0.82rem;
  }

  .hero-title {
    font-size: clamp(1.65rem, 6.5vw, 2.1rem);
  }

  .hero-lead {
    font-size: 0.98rem;
  }

  .hero-sublead {
    font-size: 0.85rem;
  }

  .btn-hero-primary, .btn-hero-secondary {
    height: 54px;
    font-size: 0.98rem;
  }
}

@media (max-width: 390px) {
  .container {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 1.6rem;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .pulse-dot { animation: none; }
}