/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
  --color-bg: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-text: #f0f0f5;
  --color-text-muted: #8888aa;
  --color-accent: #7c6af7;
  --color-accent-secondary: #a78bfa;
  --color-border: rgba(255, 255, 255, 0.09);
  --color-card: rgba(255, 255, 255, 0.03);
  --font-primary: 'Inter', sans-serif;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.35rem;
  --spacing-md: 0.4rem;
  --spacing-base: 0.5rem;
  --spacing-lg: 0.75rem;
  --spacing-xl: 1rem;
  --spacing-xxl: 1.1rem;
  --spacing-3xl: 1.2rem;
  --spacing-4xl: 1.4rem;
  --spacing-5xl: 1.5rem;
  --spacing-6xl: 1.6rem;
  --spacing-7xl: 2rem;
  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 10px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

/* ============================================
   Light Theme
   ============================================ */
[data-theme="light"] {
  --color-bg: #f8f9fa;
  --color-bg-secondary: #ffffff;
  --color-text: #212529;
  --color-text-muted: #6c757d;
  --color-accent: #fd7e14;
  --color-accent-secondary: #ffc107;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-card: rgba(0, 0, 0, 0.05);
}

/* Theme toggle button styling */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 12px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.theme-toggle__icon {
  font-size: 1.2rem;
  display: block;
}

/* Smooth theme transition */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

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

html { scroll-behavior: smooth; }

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: 1.25rem; }

em {
  font-style: italic;
  color: var(--color-accent);
}

p {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

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

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

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

/* ============================================
   Navigation
   ============================================ */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  position: relative;
  z-index: 100;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xxl);
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: var(--spacing-7xl) 0 var(--spacing-6xl);
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-size: 0.85rem;
  margin-bottom: var(--spacing-xl);
}

.hero-badge span::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.hero-sub {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  font-size: 1.1rem;
  opacity: 0.8;
}

.hero-btns {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-bottom: var(--spacing-5xl);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 106, 247, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-5xl);
  margin-top: var(--spacing-4xl);
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
}

.stat-num span:last-child {
  font-size: 1.2rem;
  color: var(--color-text-muted);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* ============================================
   Certifications
   ============================================ */
.certs {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.certs-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.certs-title {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.certs-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
}

.cert-badge {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ============================================
   Sections
   ============================================ */
section {
  padding: var(--spacing-6xl) 0;
}

.section-tag {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  letter-spacing: 1px;
  text-transform: uppercase;
}

section h2 {
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
}

section > .container > p {
  max-width: 700px;
  margin-bottom: var(--spacing-4xl);
  opacity: 0.8;
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-5xl);
  align-items: start;
}

.about-avatar-img {
  width: 200px;
  height: 200px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.initials {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.chip {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(124, 106, 247, 0.1);
}

.svc-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Blog Section
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.blog-date {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--spacing-lg);
}

.blog-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.blog-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.blog-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.blog-body h3 {
  color: var(--color-text);
  font-size: 1.1rem;
}

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

.blog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.blog-read a {
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-5xl);
  align-items: start;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.contact-link:hover {
  border-color: var(--color-accent);
  transform: translateX(5px);
}

.cl-icon {
  font-size: 1.2rem;
  width: 40px;
  text-align: center;
}

.cl-icon--linkedin {
  color: #0a66c2;
}

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

.fg label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

.fg input:focus,
.fg textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(124, 106, 247, 0.1);
}

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

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

.btn-send {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-send:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 106, 247, 0.3);
}

.form-status {
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
}

/* ============================================
   Footer
   ============================================ */
footer {
  padding: var(--spacing-5xl) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

footer p {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-muted);
}

/* ============================================
   Cookie Banner
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  z-index: 1000;
  transition: all var(--transition-base);
}

.cookie-banner p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.cookie-banner__button {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cookie-banner__button:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-avatar-img {
    margin: 0 auto var(--spacing-xl);
  }

  .contact-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    gap: var(--spacing-3xl);
  }

  .certs-row {
    gap: var(--spacing-md);
  }

  .cert-badge {
    font-size: 0.7rem;
    padding: var(--spacing-xs) var(--spacing-md);
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .hero {
    padding: var(--spacing-4xl) 0;
  }

  section {
    padding: var(--spacing-4xl) 0;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .stat-num {
    font-size: 1.5rem;
  }

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

  .contact-links {
    gap: var(--spacing-md);
  }

  .cookie-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  body {
    background: white;
    color: black;
  }

  nav, .hero, .certs, footer, .cookie-banner {
    display: none;
  }

  section {
    page-break-inside: avoid;
  }
}
/* ============================================
   Fix 1: Green dot for "Open for engagements" (always green)
   ============================================ */
.hero-badge span::before {
  background: #4ade80 !important;
}

/* ============================================
   Fix 2: Toggle and Get in touch button side by side
   ============================================ */
nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-cta {
  margin-left: auto;
}

/* Position theme toggle in nav */
.theme-toggle {
  position: static !important;
  top: auto !important;
  right: auto !important;
  margin-left: var(--spacing-lg);
}

/* ============================================
   Fix 3: Alignment with service/blog cards
   ============================================ */
nav {
  padding: var(--spacing-lg) var(--spacing-xl);
}

.nav-logo {
  margin-left: var(--spacing-xl);
}

/* ============================================
   Fix 4: Stat text styling
   ============================================ */
.stat-label {
  font-weight: 600 !important;
}

[data-theme="dark"] .stat-label {
  color: white !important;
}

[data-theme="light"] .stat-label {
  color: #6c757d !important;
}

/* Stat numbers */
.stat-num span:last-child {
  font-weight: 600 !important;
}

[data-theme="dark"] .stat-num span:last-child {
  color: white !important;
}

[data-theme="light"] .stat-num span:last-child {
  color: #6c757d !important;
}
/* ============================================
   Sticky Navigation Bar
   ============================================ */
nav {
  position: sticky !important;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  backdrop-filter: blur(10px);
}

/* ============================================
   Consistent Horizontal Alignment
   ============================================ */
/* Nav alignment */
nav {
  padding: var(--spacing-lg) var(--spacing-xl) !important;
}

/* Container alignment (services, blog, about, contact) */
.container {
  padding: 0 var(--spacing-xl) !important;
}

/* Footer alignment */
footer {
  padding: var(--spacing-5xl) var(--spacing-xl) !important;
}

/* Cookie banner alignment */
.cookie-banner {
  padding: var(--spacing-xl) var(--spacing-xl) 0 !important;
}

/* Cards alignment */
.service-card,
.blog-card,
.contact-link {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* ============================================
   SEO & Performance Optimizations
   ============================================ */

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: white;
    padding: 8px 16px;
    z-index: 1000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* Lazy loading for images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Print optimization */
@media print {
    .theme-toggle,
    .cookie-banner,
    nav {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
/* ============================================
   Sticky Navigation - Fixed at top
   ============================================ */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

nav {
    background: var(--color-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-lg) var(--spacing-xl) !important;
}
/* ============================================
   Profile Avatar - YT Initials
   ============================================ */
.about-avatar-img {
    width: 200px;
    height: 200px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.initials {
    font-size: 3rem !important;
    font-weight: 700 !important;
    color: var(--color-accent) !important;
    text-align: center;
    line-height: 1;
}

/* Ensure visibility in both themes */
[data-theme="dark"] .initials {
    color: #7c6af7 !important;
}

[data-theme="light"] .initials {
    color: #fd7e14 !important;
}

.github-footer {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.github-footer a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.github-footer a:hover {
    color: var(--color-accent);
}

.github-icon {
    width: 20px;
    height: 20px;
}

/* ============================================
   Technologies Section
   ============================================ */
.technologies {
    padding: var(--spacing-6xl) 0;
    background: var(--color-bg-secondary);
}

.technologies h2 {
    max-width: 700px;
    margin-bottom: var(--spacing-xl);
}

.technologies > .container > p {
    max-width: 800px;
    margin-bottom: var(--spacing-4xl);
    opacity: 0.8;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
}

.tech-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 30px rgba(124, 106, 247, 0.1);
}

.tech-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.tech-card h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.tech-card code {
    background: rgba(124, 106, 247, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
    color: var(--color-accent-secondary);
}

.github-link {
    text-align: center;
    margin-top: var(--spacing-xl);
}