/* 
==================================================
   PIXELNERVE GLOBAL STYLESHEET
   Luxury, Modern, Dark Theme, Glassmorphism
================================================== 
*/

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

:root {
  /* Color Palette */
  --primary: #4F46E5;
  --secondary: #7C3AED;
  --accent: #06B6D4;
  --bg-color: #050816;
  --card-bg: rgba(17, 24, 39, 0.7); /* Adjusted for glassmorphism */
  --card-border: rgba(255, 255, 255, 0.1);
  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  
  /* Fonts */
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  /* Layout */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

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

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

html {
  scroll-behavior: smooth;
}

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

/* Dynamic Gradient Background */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.15) 0%, rgba(5, 8, 22, 0) 50%),
              radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.15) 0%, rgba(5, 8, 22, 0) 40%);
  z-index: -1;
  pointer-events: none;
}

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

h1.display-title {
  font-family: var(--font-display);
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==================================================
   TYPOGRAPHY
================================================== */
.text-gradient {
  background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-secondary {
  background: linear-gradient(135deg, #7C3AED 0%, #4F46E5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ==================================================
   LAYOUT UTILITIES
================================================== */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ==================================================
   COMPONENTS: GLASS CARDS
================================================== */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(79, 70, 229, 0.2);
  border-color: rgba(79, 70, 229, 0.5);
}

/* ==================================================
   COMPONENTS: BUTTONS
================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150%;
  height: 150%;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.6s, opacity 0.6s;
}

.btn:active::after {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  transition: 0s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(79, 70, 229, 0.1);
  transform: translateY(-2px);
}

/* ==================================================
   NAVIGATION
================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 1rem 0;
  background: rgba(5, 8, 22, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 10;
}

/* Logo Styling and Animations */
.nav-logo-img {
  height: clamp(40px, 6vw, 55px);
  width: auto;
  transition: all var(--transition-normal);
  transform-origin: left center;
  animation: logoPulse 4s ease-in-out infinite;
}

.footer-logo-img {
  height: clamp(50px, 8vw, 65px);
  width: auto;
  transition: all var(--transition-normal);
  transform-origin: left center;
  animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
  0% { filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.2)); }
  50% { filter: drop-shadow(0 0 15px rgba(79, 70, 229, 0.5)); }
  100% { filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.2)); }
}

.logo:hover .nav-logo-img, .logo:hover .footer-logo-img {
  transform: scale(1.05);
  filter: brightness(1.3) drop-shadow(0 0 20px rgba(6, 182, 212, 0.8));
  animation: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

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

.nav-link:hover, .nav-link.active {
  color: white;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-normal);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(5, 8, 22, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
}

/* ==================================================
   FOOTER
================================================== */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  background: rgba(5, 8, 22, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-title {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ==================================================
   ANIMATIONS & EFFECTS
================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating animation for hero elements */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.float-anim {
  animation: float 6s ease-in-out infinite;
}

/* ==================================================
   FORMS
================================================== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: white;
  font-family: var(--font-body);
  transition: all var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

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