/* ===================================
   CSS CUSTOM PROPERTIES & DESIGN SYSTEM
   =================================== */
:root {
  /* Color Palette - Vynox Logo Theme */
  --primary-gradient: linear-gradient(135deg, #00d4ff 0%, #4a9eff 100%);
  --secondary-gradient: linear-gradient(135deg, #ff8c00 0%, #ffb347 100%);
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #00ffff 100%);
  --dark-gradient: linear-gradient(135deg, #000000 0%, #0a0a1e 50%, #000000 100%);

  --primary-color: #00d4ff;
  --secondary-color: #4a9eff;
  --accent-color: #00ffff;
  --accent-orange: #ff8c00;

  --bg-dark: #000000;
  --bg-dark-secondary: #0a0a0f;
  --bg-card: rgba(0, 212, 255, 0.05);
  --bg-card-hover: rgba(0, 212, 255, 0.1);

  --text-primary: #ffffff;
  --text-secondary: #b4d4e8;
  --text-muted: #7a8a9c;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.4);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  /* Account for fixed navbar height (~108px) */
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-dark);
  overflow-x: hidden;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-gradient);
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, rgba(255, 140, 0, 0.05) 30%, transparent 50%);
  animation: rotate 30s linear infinite;
  z-index: -1;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes electric-pulse {
  0% {
    box-shadow: 0 0 5px rgba(0, 212, 255, 0.2), 0 0 10px rgba(0, 212, 255, 0.1);
  }

  50% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 30px rgba(0, 255, 255, 0.4);
  }

  100% {
    box-shadow: 0 0 5px rgba(0, 212, 255, 0.2), 0 0 10px rgba(0, 212, 255, 0.1);
  }
}

@keyframes border-flow {
  0% {
    background-position: 0% 50%;
  }

  100% {
    background-position: 200% 50%;
  }
}

@keyframes text-flicker {

  0%,
  100% {
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
  }

  50% {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.8), 0 0 40px rgba(0, 255, 255, 0.4);
  }

  90% {
    opacity: 1;
  }

  92% {
    opacity: 0.8;
  }

  94% {
    opacity: 1;
  }
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: text-flicker 4s infinite alternate;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: var(--transition-fast);
}

.logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
  transition: var(--transition-fast);
  background: transparent;
  mix-blend-mode: screen;
}

.logo:hover .logo-img {
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
  transform: scale(1.05);
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-fast);
}

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

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

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===================================
   CONTAINER & SECTIONS
   =================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

section {
  padding: var(--spacing-3xl) 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
  opacity: 1;
  transform: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  mask-image: radial-gradient(circle at center, black 50%, transparent 90%);
  -webkit-mask-image: radial-gradient(circle at center, black 50%, transparent 90%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, var(--bg-dark-secondary) 0%, var(--bg-dark) 100%);
  opacity: 0.8;
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--accent-color);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero h1 {
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-glow), 0 4px 20px rgba(255, 140, 0, 0.2);
  animation: electric-pulse 3s infinite;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.6), 0 8px 30px rgba(255, 140, 0, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--accent-orange);
  box-shadow: 0 2px 10px rgba(255, 140, 0, 0.1);
}

.btn-secondary:hover {
  background: rgba(255, 140, 0, 0.1);
  border-color: var(--accent-orange);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(255, 140, 0, 0.3);
}

/* ===================================
   SERVICES SECTION
   =================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-subtitle {
  color: var(--accent-orange);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.service-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-10px);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
  border-color: var(--accent-color);
  background-image: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 140, 0, 0.05) 100%);
}

.service-card:hover::before {
  background: var(--secondary-gradient);
  transform: scaleX(1);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-card h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================================
   CAPABILITIES SECTION
   =================================== */
.capabilities {
  background: var(--bg-dark-secondary);
  position: relative;
}

.capabilities-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.capabilities-text h2 {
  margin-bottom: var(--spacing-lg);
}

.capabilities-list {
  list-style: none;
  margin-top: var(--spacing-lg);
}

.capabilities-list li {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  background: var(--bg-card);
  border-left: 4px solid var(--primary-color);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.capabilities-list li:hover {
  background: var(--bg-card-hover);
  transform: translateX(10px);
}

.capabilities-list li::before {
  content: '✓';
  color: var(--accent-color);
  font-weight: var(--font-weight-bold);
  margin-right: var(--spacing-sm);
  font-size: 1.2rem;
}

.capabilities-visual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.stat-card {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(255, 140, 0, 0.25);
}

.stat-number {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 140, 0, 0.1) 100%);
}

.contact h2 {
  margin-bottom: var(--spacing-md);
}

.contact-desc {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Enquiry Form */
.enquiry-form {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
  text-align: left;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 40px rgba(255, 140, 0, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

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

.form-group.full-width {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(0, 212, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), 0 4px 15px rgba(255, 140, 0, 0.2);
}

.form-group select {
  cursor: pointer;
}

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

.submit-btn {
  width: 100%;
  margin-top: var(--spacing-md);
  font-size: 1.1rem;
  padding: 1rem;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--spacing-xl) auto;
  max-width: 800px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.divider span {
  padding: 0 var(--spacing-md);
  color: var(--text-muted);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--bg-dark-secondary);
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    transition: var(--transition-normal);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .capabilities-content {
    grid-template-columns: 1fr;
  }

  .capabilities-visual {
    order: -1;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .enquiry-form {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-3xl: 3rem;
  }

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

  .capabilities-visual {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}