/* Blue Ridge Mountains Theme */
:root {
  /* Primary Colors - Deep mountain night sky */
  --primary-bg: #0f1419;
  --secondary-bg: #1a2332;
  --accent-bg: #232f3e;

  /* Gradient Colors - Mountain horizons */
  --gradient-primary: linear-gradient(135deg, #3d5a80 0%, #2d5a3a 100%);
  --gradient-secondary: linear-gradient(135deg, #c17f59 0%, #d4a373 100%);
  --gradient-accent: linear-gradient(135deg, #5d7b9d 0%, #6b8e9c 100%);
  --gradient-dark: linear-gradient(135deg, #1a2332 0%, #2d5a3a 100%);

  /* Text Colors */
  --text-primary: #e8e6e3;
  --text-secondary: #a8b2bc;
  --text-muted: #6c7a89;

  /* Accent Colors - Forest & sky */
  --accent-primary: #5d7b9d;
  --accent-blue: #4a6fa5;
  --accent-green: #4a7c5f;
  --accent-amber: #c17f59;

  /* Border & Shadow */
  --border-color: rgba(93, 123, 157, 0.25);
  --glow-color: rgba(74, 111, 165, 0.4);

  /* Spacing */
  --section-spacing: 5rem;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Main Content Padding */
.main-content {
  padding-top: 80px;
  min-height: calc(100vh - 400px);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-title {
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  position: relative;
  display: inline-block;
}

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

/* Navbar */
.navbar {
  background: rgba(15, 20, 25, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary) !important;
  transition: all 0.3s ease;
}

.bracket {
  color: var(--accent-primary);
  font-weight: 700;
}

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

.navbar-brand:hover {
  transform: translateY(-2px);
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.nav-link:hover::after {
  width: 80%;
}

/* Hero Section */
.hero-section {
  background: radial-gradient(circle at top right, rgba(61, 90, 128, 0.15) 0%, transparent 50%),
              radial-gradient(circle at bottom left, rgba(45, 90, 58, 0.12) 0%, transparent 50%);
  padding: 6rem 0;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.wave {
  display: inline-block;
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(20deg); }
  75% { transform: rotate(-20deg); }
}

.intro-text {
  font-size: 1.5rem;
  color: var(--text-secondary);
  display: block;
}

.hero-buttons {
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-btn {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.hero-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.hero-btn:hover::before {
  width: 300px;
  height: 300px;
}

/* Buttons */
.btn-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(93, 123, 157, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(93, 123, 157, 0.5);
  background: var(--gradient-primary);
  border: none;
}

.btn-outline-primary {
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  background: transparent;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(93, 123, 157, 0.3);
}

.btn-outline-light {
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  background: transparent;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background: var(--text-primary);
  color: var(--primary-bg);
  transform: translateY(-2px);
}

/* Blog Cards */
.blog-card {
  background: var(--secondary-bg);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(93, 123, 157, 0.2);
  border-color: var(--accent-primary);
}

.card-img-wrapper {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.card-img-top {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover .card-img-top {
  transform: scale(1.1);
}

.post-meta {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
}

.post-date, .read-time {
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(10px);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.badge {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.bg-secondary {
  background: rgba(93, 123, 157, 0.2) !important;
  color: var(--accent-primary) !important;
}

.bg-primary {
  background: var(--gradient-primary) !important;
  color: white !important;
  border: none;
}

.read-more-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-primary);
  font-weight: 600;
  margin-top: auto;
}

.blog-card:hover .read-more-link {
  gap: 12px;
}

.read-more-link i {
  transition: transform 0.3s ease;
}

.blog-card:hover .read-more-link i {
  transform: translateX(4px);
}

/* Featured Posts */
.featured-post {
  border: 2px solid var(--accent-primary);
  box-shadow: 0 10px 30px rgba(93, 123, 157, 0.2);
}

.featured-post .card-img-wrapper {
  height: 250px;
}

/* Tech Stack Section */
.tech-section {
  background: var(--secondary-bg);
  position: relative;
}

.tech-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

.tech-card {
  background: var(--accent-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(93, 123, 157, 0.15);
}

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

/* Blog Post Page */
.article-container {
  max-width: 800px;
}

.back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.back-link:hover {
  color: var(--accent-primary);
  gap: 12px;
}

.post-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.post-meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.featured-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.post-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Markdown Styles */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.post-content h2 {
  font-size: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.post-content h3 {
  font-size: 1.5rem;
}

.post-content p {
  margin-bottom: 1.5rem;
}

.post-content code {
  background: var(--accent-bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: 0.9em;
  color: var(--accent-green);
}

.post-content pre {
  background: var(--accent-bg);
  padding: 1.5rem;
  border-radius: 12px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

.post-content pre code {
  background: none;
  padding: 0;
  color: var(--text-secondary);
}

.post-content a {
  color: var(--accent-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.post-content a:hover {
  border-bottom-color: var(--accent-primary);
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 4px solid var(--accent-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* Share Buttons */
.share-buttons .btn {
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
}

/* About Page */
.profile-image {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border: 4px solid var(--accent-primary);
  box-shadow: 0 10px 40px rgba(93, 123, 157, 0.3);
}

.skill-card {
  background: var(--secondary-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  height: 100%;
}

.skill-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(93, 123, 157, 0.2);
}

.social-link-large {
  color: var(--text-secondary);
  transition: all 0.3s ease;
  display: inline-block;
}

.social-link-large:hover {
  color: var(--accent-primary);
  transform: translateY(-4px);
}

/* Projects Page */
.project-card {
  background: var(--secondary-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(93, 123, 157, 0.2);
  border-color: var(--accent-primary);
}

.project-img-wrapper {
  height: 200px;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-img {
  transform: scale(1.1);
}

/* Contact Page */
.contact-info-card {
  background: var(--secondary-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.contact-info-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(93, 123, 157, 0.2);
}

.contact-link {
  color: var(--accent-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.contact-link:hover {
  color: var(--accent-green);
}

.contact-form {
  background: var(--secondary-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
}

.form-control {
  background: var(--accent-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  background: var(--accent-bg);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(93, 123, 157, 0.1);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-label {
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

textarea.form-control {
  resize: vertical;
}

.success-message {
  background: var(--secondary-bg);
  border-radius: 16px;
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  margin-top: var(--section-spacing);
}

.footer h5 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.social-link {
  color: var(--text-secondary);
  transition: all 0.3s ease;
  display: inline-block;
}

.social-link:hover {
  color: var(--accent-primary);
  transform: translateY(-3px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-green);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(93, 123, 157, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 25px rgba(93, 123, 157, 0.5);
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  width: 0;
  z-index: 1001;
  transition: width 0.1s ease;
}

/* Notification */
.notification {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--secondary-bg);
  color: var(--text-primary);
  padding: 1rem 2rem;
  border-radius: 12px;
  border: 1px solid var(--accent-primary);
  box-shadow: 0 10px 40px rgba(93, 123, 157, 0.3);
  z-index: 1001;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Copy Code Button */
.copy-code-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  opacity: 0.7;
}

.copy-code-btn:hover {
  opacity: 1;
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* Active Nav Link */
.nav-link.active {
  color: var(--accent-primary) !important;
}

.nav-link.active::after {
  width: 80%;
}

/* Navbar Scrolled State */
.navbar.scrolled {
  background: rgba(15, 20, 25, 0.98) !important;
  box-shadow: 0 4px 20px rgba(26, 35, 50, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.75rem;
  }

  .page-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .post-title {
    font-size: 2rem;
  }

  .hero-btn {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
  }

  .scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }

  .notification {
    max-width: 90%;
    padding: 0.75rem 1.5rem;
  }
}