/* ========================================
   Developer Portfolio - CSS Styles
   Modern Dark Theme with Gradients
======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-card-hover: #22222e;

  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;

  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);

  --border-color: rgba(255, 255, 255, 0.08);
  --glow-color: rgba(99, 102, 241, 0.3);

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

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Background Gradient Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-sm) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-md) var(--spacing-md);
  padding-top: calc(var(--spacing-md) + 80px);
}

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-md);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.hero h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* Apps Section */
.apps-section {
  padding: var(--spacing-lg) var(--spacing-md);
  padding-top: var(--spacing-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

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

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

/* App Card */
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.app-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 60px var(--glow-color);
}

.app-card:hover::before {
  opacity: 0.05;
}

.app-card>* {
  position: relative;
  z-index: 1;
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.app-icon img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.app-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

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

.app-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-md);
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: #007AFF;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.app-store-btn:hover {
  color: white;
  transform: scale(1.05);
  background: #0066DD;
  box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

.app-store-btn svg {
  width: 20px;
  height: 20px;
}

/* Footer */
.footer {
  padding: var(--spacing-xl) var(--spacing-md);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm) var(--spacing-md);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

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

/* Support Page Styles */
.support-section {
  padding: var(--spacing-2xl) var(--spacing-md);
  padding-top: calc(var(--spacing-2xl) + 80px);
  min-height: 100vh;
}

.support-content {
  max-width: 600px;
  margin: 0 auto;
}

.support-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.support-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
}

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

/* Form Styles */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

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

.submit-btn {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: #007AFF;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.submit-btn:hover {
  transform: translateY(-2px);
  background: #0066DD;
  box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

/* Thank You Page */
.thank-you {
  text-align: center;
  padding: var(--spacing-2xl);
}

.thank-you-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you-icon svg {
  width: 40px;
  height: 40px;
  color: white;
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--spacing-lg);
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-content {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero {
    min-height: 50vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .app-card {
    padding: var(--spacing-md);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}