/* ==========================================================================
   NERVESHOT — Design System & Main Stylesheet
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #07090e;
  --bg-secondary: #0d111a;
  --bg-tertiary: #131926;
  --bg-card: rgba(19, 25, 38, 0.7);
  --bg-card-hover: rgba(28, 36, 54, 0.85);
  
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #8a2be2;
  --accent-pink: #f43f5e;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 242, 254, 0.4);
  --border-glow: rgba(0, 242, 254, 0.2);

  --gradient-brand: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #8a2be2 100%);
  --gradient-glow: linear-gradient(180deg, rgba(0, 242, 254, 0.15) 0%, rgba(138, 43, 226, 0.05) 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  --gradient-cyan-purple: linear-gradient(135deg, #00f2fe 0%, #a855f7 100%);

  /* Typography */
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Elevation & Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(0, 242, 254, 0.25);
  --shadow-purple-glow: 0 0 30px rgba(138, 43, 226, 0.3);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 90% 20%, rgba(138, 43, 226, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 10% 60%, rgba(79, 172, 254, 0.05) 0%, transparent 45%);
}

/* Background Animated Grid */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-size: 48px 48px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-alt {
  background: var(--gradient-cyan-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.section-header p {
  font-size: 1.15rem;
  margin-top: 1rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: var(--transition-smooth);
  padding: 1.25rem 0;
}

.site-header.scrolled {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.85rem 0;
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  letter-spacing: -0.03em;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-brand);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #000;
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
}

.brand-logo span.highlight {
  color: var(--accent-cyan);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding-block: 0.3rem;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Buttons & Micro-interactions
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #000;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.btn-glow:hover::before {
  opacity: 1;
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 9rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: #34d399;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.metric-item .metric-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.metric-item .metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Showcase Visual Simulator */
.hero-visual {
  position: relative;
}

.hero-browser-frame {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
  position: relative;
}

.browser-header {
  background: var(--bg-tertiary);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}
.browser-dots span:nth-child(1) { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #eab308; }
.browser-dots span:nth-child(3) { background: #22c55e; }

.browser-search-bar {
  background: rgba(0, 0, 0, 0.4);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-family: var(--font-code);
  width: 60%;
  text-align: center;
}

.browser-canvas {
  padding: 1.5rem;
  background: linear-gradient(180deg, #0b0f19 0%, #07090e 100%);
  min-height: 340px;
}

.mini-demo-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
}

.mini-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.floating-speed-badge {
  position: absolute;
  bottom: -15px;
  left: -20px;
  background: rgba(13, 17, 26, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 242, 254, 0.4);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: float 4s ease-in-out infinite;
}

.speed-score-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid #10b981;
  display: grid;
  place-items: center;
  color: #10b981;
  font-weight: 800;
  font-size: 0.95rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Trust & Tech Ticker
   ========================================================================== */
.trust-strip {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: rgba(13, 17, 26, 0.4);
}

.trust-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.ticker-track {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2.5rem;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-secondary);
  opacity: 0.75;
  transition: var(--transition-fast);
}

.ticker-item:hover {
  opacity: 1;
  color: #fff;
  transform: scale(1.05);
}

/* ==========================================================================
   Portfolio / Samples Showcase
   ========================================================================== */
.samples-section {
  padding: 6rem 0;
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: var(--gradient-brand);
  color: #000;
  border-color: transparent;
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.35);
}

.samples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}

.sample-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(12px);
}

.sample-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: var(--bg-card-hover);
}

.sample-preview-container {
  height: 240px;
  background: #000;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sample-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.sample-card:hover .sample-preview-img {
  transform: scale(1.05);
}

.sample-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

.sample-card:hover .sample-overlay {
  opacity: 1;
}

.sample-badge-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  background: rgba(7, 9, 14, 0.8);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.sample-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sample-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.sample-title-row h3 {
  font-size: 1.35rem;
}

.sample-desc {
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.sample-stats-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.4rem;
  font-size: 0.85rem;
}

.sample-stat-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
}

.sample-stat-badge strong {
  color: #fff;
}

.sample-footer-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* ==========================================================================
   Live Interactive Modal Device Simulator
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 8, 0.88);
  backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

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

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 1100px;
  height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  transform: scale(0.95);
  transition: var(--transition-bounce);
  overflow: hidden;
}

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

.modal-toolbar {
  background: var(--bg-tertiary);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
}

.modal-info h4 {
  font-size: 1.1rem;
}

.modal-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.device-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  gap: 4px;
}

.device-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  transition: var(--transition-fast);
}

.device-btn.active {
  background: var(--accent-cyan);
  color: #000;
  font-weight: 700;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #ef4444;
}

.modal-preview-viewport {
  flex-grow: 1;
  background: #030508;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: auto;
}

.preview-frame-wrapper {
  transition: width 0.4s ease, height 0.4s ease;
  height: 100%;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.preview-frame-wrapper.desktop {
  width: 100%;
}

.preview-frame-wrapper.tablet {
  width: 768px;
}

.preview-frame-wrapper.mobile {
  width: 375px;
}

.preview-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   Services & Features
   ========================================================================== */
.services-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(13, 17, 26, 0.6) 50%, transparent 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: var(--shadow-md);
}

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

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  display: grid;
  place-items: center;
  color: var(--accent-cyan);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
}

.service-features-list {
  list-style: none;
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.service-features-list li i {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Instant Quote / Project Calculator
   ========================================================================== */
.calculator-section {
  padding: 6rem 0;
}

.calculator-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
}

.calc-options-side h3 {
  margin-bottom: 1.5rem;
}

.calc-group {
  margin-bottom: 2rem;
}

.calc-group-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
}

.calc-type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.calc-radio-card {
  position: relative;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: var(--transition-fast);
}

.calc-radio-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.calc-radio-card input {
  position: absolute;
  opacity: 0;
}

.calc-radio-card.selected {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
}

.calc-radio-card .card-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  display: block;
}

.calc-radio-card .card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.calc-checkboxes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.calc-check-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-fast);
  font-size: 0.9rem;
  font-weight: 500;
}

.calc-check-card:hover {
  background: rgba(255, 255, 255, 0.05);
}

.calc-check-card.selected {
  border-color: var(--accent-purple);
  background: rgba(138, 43, 226, 0.1);
  color: #fff;
}

.calc-summary-side {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.estimate-header {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.estimate-price-display {
  margin-top: 0.5rem;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-cyan);
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.estimate-timeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.estimate-breakdown {
  margin-block: 1.5rem;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding-block: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.88rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.breakdown-row strong {
  color: #fff;
}

/* ==========================================================================
   4-Step Workflow
   ========================================================================== */
.process-section {
  padding: 6rem 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  transition: var(--transition-smooth);
}

.process-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
}

.process-num {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: var(--font-code);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.process-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.process-card p {
  font-size: 0.9rem;
}

/* ==========================================================================
   FAQ & Inquiry Form
   ========================================================================== */
.contact-section {
  padding: 6rem 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.2rem 1.5rem;
  text-align: left;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--accent-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding-inline: 1.5rem;
}

.faq-answer p {
  padding-bottom: 1.2rem;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

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

.inquiry-form-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.2rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-light);
  background: #04060a;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Toast Notifications for Social Proof */
.live-toast {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: rgba(13, 17, 26, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  z-index: 999;
  transform: translateY(120px);
  opacity: 0;
  transition: var(--transition-bounce);
}

.live-toast.show {
  transform: translateY(0);
  opacity: 1;
}

.live-toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  display: grid;
  place-items: center;
  font-size: 1rem;
}