@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- Design Tokens & CSS Variables --- */
:root {
  /* Colors */
  --bg-primary: #06070a;
  --bg-secondary: #0d0f14;
  --bg-tertiary: #161922;
  --glass-bg: rgba(13, 15, 20, 0.7);
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  
  --accent-cyan: #00F0FF;
  --accent-purple: #8A2BE2;
  --accent-blue: #0072FF;
  
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #64748b;
  
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(0, 240, 255, 0.15) 0%, rgba(138, 43, 226, 0.15) 100%);
  --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Shadow & Glows */
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.3);
  --glow-purple: 0 0 20px rgba(138, 43, 226, 0.3);
  --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

/* --- Layout Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-padding {
  padding: var(--spacing-xl) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* --- Dynamic Background Canvas / Ambient Glows --- */
.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  transition: transform var(--transition-slow);
}

.glow-1 {
  top: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: var(--accent-cyan);
  animation: float-slow 12s infinite alternate;
}

.glow-2 {
  bottom: -15%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: var(--accent-purple);
  animation: float-slow 18s infinite alternate-reverse;
}

.glow-3 {
  top: 40%;
  left: 50%;
  width: 35vw;
  height: 35vw;
  background: var(--accent-blue);
  opacity: 0.08;
  animation: float-slow 15s infinite alternate;
}

/* Tech grid overlay */
.tech-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
  z-index: -1;
  pointer-events: none;
}

/* --- Navigation Bar (Glassmorphic) --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  background: rgba(6, 7, 10, 0.9);
  box-shadow: var(--shadow-main);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: var(--transition-normal);
}

.navbar.scrolled .nav-container {
  height: 65px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: var(--glow-cyan);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 5px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

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

.nav-cta {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--font-body);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: var(--transition-fast);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.nav-cta:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  box-shadow: var(--glow-cyan);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* --- Buttons & UI Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.85rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-normal);
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border: none;
  box-shadow: var(--glow-cyan);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 100%);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(138, 43, 226, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border-hover);
  position: relative;
  overflow: hidden;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.tech-badge {
  background: var(--gradient-glow);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--spacing-sm);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.05);
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-glow 2s infinite;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px; /* offset navbar */
  overflow: hidden;
}

.hero-content {
  z-index: 10;
}

.hero-title {
  font-size: 4.5rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--spacing-md);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Floating interactive device frame or 3D vector */
.tech-illustration {
  width: 100%;
  max-width: 500px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.2));
  animation: float-illustration 6s ease-in-out infinite;
}

/* --- Services Section --- */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.75rem;
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.services-grid {
  margin-top: var(--spacing-md);
}

.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: var(--spacing-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

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

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

.card-content {
  position: relative;
  z-index: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-fast);
}

.service-card:hover .service-icon {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  box-shadow: var(--glow-cyan);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.service-learn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-learn-more svg {
  transition: transform var(--transition-fast);
}

.service-card:hover .service-learn-more svg {
  transform: translateX(4px);
}

/* --- About Owner Section --- */
.about-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.owner-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: var(--spacing-md);
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 10;
  overflow: hidden;
  box-shadow: var(--shadow-main);
}

.owner-image-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  background: linear-gradient(135deg, #1f2833 0%, #0b0c10 100%);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.owner-avatar-placeholder {
  width: 80%;
  height: 80%;
  opacity: 0.85;
}

.owner-info {
  text-align: center;
}

.owner-name {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.owner-title {
  color: var(--accent-cyan);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.owner-socials {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.owner-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.owner-social-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
}

.about-details h2 {
  font-size: 2.75rem;
  margin-bottom: var(--spacing-sm);
}

.about-details p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 2px;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0;
}

/* --- Tech Stack & Capabilities --- */
.tech-container {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-main);
}

.tech-grid-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: var(--spacing-md);
}

.tech-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.tech-pill svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.tech-pill:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
  color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

/* --- Project Showcase Section --- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 8px 20px;
  border-radius: 30px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.project-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition-normal);
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 7, 10, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-normal);
}

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

.project-link-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--glow-cyan);
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.project-card:hover .project-link-btn {
  transform: translateY(0);
}

.project-info {
  padding: var(--spacing-sm) var(--spacing-md);
}

.project-tag {
  color: var(--accent-cyan);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.project-info h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.project-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: var(--spacing-lg);
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-main);
  transition: var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card-details h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.contact-card-details p,
.contact-card-details a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-card-details a:hover {
  color: var(--accent-cyan);
}

.contact-form-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-main);
  position: relative;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
  background: var(--bg-secondary);
}

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

.form-submit-btn {
  width: 100%;
}

/* Success Modal & States */
.success-msg {
  display: none;
  text-align: center;
  padding: var(--spacing-md);
}

.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  border-radius: 50%;
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--glow-cyan);
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 4fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  max-width: 300px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-newsletter h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-newsletter p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex-grow: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.newsletter-btn {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.newsletter-btn:hover {
  box-shadow: var(--glow-cyan);
}

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

.footer-legal-links {
  display: flex;
  gap: var(--spacing-sm);
}

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

/* --- Animation Keyframes --- */
@keyframes float-slow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(3%, 5%) scale(1.05);
  }
  100% {
    transform: translate(-3%, -2%) scale(0.98);
  }
}

@keyframes float-illustration {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.8);
    opacity: 0.6;
  }
}

/* Scroll reveal classes (controlled via IntersectionObserver in main.js) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* delay variants for grid reveals */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .grid-2 {
    gap: var(--spacing-md);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding-top: 120px;
    text-align: center;
    min-height: auto;
    padding-bottom: var(--spacing-xl);
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual {
    margin-top: var(--spacing-lg);
  }
  
  .about-image-wrapper {
    order: 2;
  }
  
  .about-details {
    order: 1;
    text-align: center;
  }
  
  .about-stats {
    justify-content: center;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  /* Navigation mobile menu overlay */
  .menu-toggle {
    display: none;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-md);
    gap: var(--spacing-md);
    transition: left var(--transition-normal);
    border-top: 1px solid var(--glass-border);
  }
  
  .navbar.scrolled .nav-menu {
    top: 65px;
    height: calc(100vh - 65px);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  /* Menu toggle animate states */
  .menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-btn {
    width: 100%;
  }
}