/* ==========================================================================
   9d6 Creative Digital & AI Studio - Core Design System & Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Theme Palette - Default Dark Cyber Violet */
  --bg-primary: #070913;
  --bg-secondary: #0d1124;
  --bg-card: rgba(18, 24, 48, 0.55);
  --bg-card-hover: rgba(26, 35, 70, 0.75);
  --bg-glass: rgba(14, 18, 36, 0.65);
  
  --accent-primary: #8b5cf6;
  --accent-primary-glow: rgba(139, 92, 246, 0.4);
  --accent-secondary: #06b6d4;
  --accent-secondary-glow: rgba(6, 182, 212, 0.4);
  --accent-tertiary: #10b981;
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 50%, #06b6d4 100%);
  --accent-gradient-hover: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #22d3ee 100%);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-active: rgba(139, 92, 246, 0.5);
  
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-glass: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 35px rgba(139, 92, 246, 0.25);
  
  --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-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Theme Alternate - Aurora Cyan */
[data-theme="aurora"] {
  --bg-primary: #041217;
  --bg-secondary: #08212a;
  --bg-card: rgba(10, 36, 46, 0.55);
  --bg-card-hover: rgba(14, 52, 66, 0.75);
  --accent-primary: #06b6d4;
  --accent-primary-glow: rgba(6, 182, 212, 0.4);
  --accent-secondary: #10b981;
  --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #10b981 50%, #3b82f6 100%);
  --border-active: rgba(6, 182, 212, 0.5);
  --shadow-glow: 0 0 35px rgba(6, 182, 212, 0.25);
}

/* Theme Alternate - Emerald Pulse */
[data-theme="emerald"] {
  --bg-primary: #04130b;
  --bg-secondary: #082617;
  --bg-card: rgba(12, 42, 26, 0.55);
  --bg-card-hover: rgba(18, 60, 37, 0.75);
  --accent-primary: #10b981;
  --accent-primary-glow: rgba(16, 185, 129, 0.4);
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #8b5cf6 100%);
  --border-active: rgba(16, 185, 129, 0.5);
  --shadow-glow: 0 0 35px rgba(16, 185, 129, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  background-color: var(--bg-primary);
  color: var(--text-main);
  transition: background-color 0.5s ease;
}

/* Background Canvas Layer */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

/* Ambient Radial Lighting */
.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-primary-glow) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
  opacity: 0.35;
  transition: all 0.5s ease;
}
.ambient-glow-1 { top: -200px; left: -100px; }
.ambient-glow-2 { bottom: -200px; right: -100px; background: radial-gradient(circle, var(--accent-secondary-glow) 0%, rgba(0,0,0,0) 70%); }

/* Layout Grid & Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* Glassmorphism Card Element */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), var(--shadow-glass);
}

/* Custom Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-primary-glow);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px var(--accent-primary-glow);
}

.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(-3px);
}

/* Navigation Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 0 15px var(--accent-primary-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  padding: 4px;
  border-radius: var(--radius-full);
}

.theme-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition-fast);
}

.theme-dot:hover { transform: scale(1.15); }
.theme-dot.active { border-color: #ffffff; }
.theme-dot.cyber { background: linear-gradient(135deg, #8b5cf6, #06b6d4); }
.theme-dot.aurora { background: linear-gradient(135deg, #06b6d4, #10b981); }
.theme-dot.emerald { background: linear-gradient(135deg, #10b981, #8b5cf6); }

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 170px;
  padding-bottom: 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.8rem;
  margin: 20px 0;
  line-height: 1.1;
  font-weight: 800;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
}

.metric-item .number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.metric-item .label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 6px;
  font-weight: 500;
}

.hero-visual {
  position: relative;
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glow), 0 20px 50px rgba(0,0,0,0.6);
  background: var(--bg-card);
}

.hero-visual-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-visual-card:hover img {
  transform: scale(1.04);
}

.hero-glass-floating {
  position: absolute;
  bottom: -20px;
  left: -30px;
  background: rgba(14, 18, 36, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
  animation: floatAnim 4s ease-in-out infinite alternate;
}

@keyframes floatAnim {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

.floating-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.floating-text h5 { font-size: 0.95rem; font-weight: 700; }
.floating-text p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px auto;
}

.section-header h2 {
  font-size: 2.6rem;
  margin: 16px 0;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Services Section */
.services-section {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent-primary);
  margin-bottom: 24px;
  transition: all var(--transition-bounce);
}

.service-card:hover .service-icon {
  background: var(--accent-gradient);
  color: #fff;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border-glass);
}

/* Portfolio Showcase Section */
.portfolio-section {
  padding: 100px 0;
}

.portfolio-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px var(--accent-primary-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
}

.portfolio-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.portfolio-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(7, 9, 19, 0.9) 0%, transparent 60%);
  opacity: 0.8;
}

.portfolio-info {
  padding: 24px;
}

.portfolio-category {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.portfolio-info h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.portfolio-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.portfolio-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-glass);
}

.portfolio-link {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Modal Window */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 6, 14, 0.85);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.8);
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-bounce);
}

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

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255,255,255,0.15);
}

/* Interactive Project Scope & Cost Estimator */
.estimator-section {
  padding: 100px 0;
}

.estimator-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-glass);
}

.estimator-steps-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
}

.estimator-steps-nav::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 0;
  transform: translateY(-50%);
}

.step-indicator {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.step-indicator.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 0 20px var(--accent-primary-glow);
}

.step-indicator.completed {
  border-color: var(--accent-secondary);
  background: var(--accent-secondary);
  color: #ffffff;
}

.estimator-content {
  margin-bottom: 40px;
}

.step-pane {
  display: none;
}

.step-pane.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.estimator-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.option-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-box:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.option-box.selected {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.option-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.option-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.estimator-summary {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  border: 1px solid var(--border-glass);
}

.summary-details h4 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.summary-details p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.summary-price {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-secondary);
}

.estimator-nav-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
}

/* Process Section */
.process-section {
  padding: 100px 0;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.process-card {
  position: relative;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
}

/* Contact Section */
.contact-section {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-primary-glow);
}

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: rgba(14, 18, 36, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--accent-primary);
  color: var(--text-main);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideUp 0.3s ease forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.footer {
  padding: 80px 0 30px 0;
  border-top: 1px solid var(--border-glass);
  background: rgba(4, 5, 12, 0.9);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid var(--border-glass);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Media Queries */
@media (max-width: 992px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    padding: 24px;
    border-bottom: 1px solid var(--border-glass);
  }
}