/* ============================================================
   TheArtiBrain.com — Main Stylesheet
   Dark/Light Theme System + All Public Page Styles
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (THEME TOKENS)
   ============================================================ */

/* Dark theme (default) */
:root {
  --bg-primary: #0A0A0F;
  --bg-secondary: #0F0F1A;
  --bg-card: #141428;
  --bg-card-hover: #1a1a3a;
  --accent-primary: #00C8FF;
  --accent-secondary: #7B5EA7;
  --accent-gradient: linear-gradient(135deg, #00C8FF, #7B5EA7);
  --text-primary: #E8E8F0;
  --text-secondary: #C0C0D8;
  --text-muted: #8888AA;
  --border-color: #1E1E3A;
  --nav-bg: rgba(10, 10, 15, 0.95);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 200, 255, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #F8F9FF;
  --bg-secondary: #EEF0FF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0F2FF;
  --accent-primary: #0099CC;
  --accent-secondary: #6B4D9A;
  --accent-gradient: linear-gradient(135deg, #0099CC, #6B4D9A);
  --text-primary: #111122;
  --text-secondary: #333355;
  --text-muted: #555577;
  --border-color: #DDE0EE;
  --nav-bg: rgba(248, 249, 255, 0.95);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(0, 153, 204, 0.1);
}

/* ============================================================
   2. BASE RESET & GLOBAL STYLES
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

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

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

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

::selection {
  background: var(--accent-primary);
  color: #fff;
}

/* ============================================================
   3. NAVBAR
   ============================================================ */

.navbar-custom {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  transition: all var(--transition-normal);
  z-index: 1050;
}

.navbar-custom.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand-custom {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.navbar-brand-custom .brand-the {
  color: var(--text-muted);
}

.navbar-brand-custom .brand-arti {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-brand-custom .brand-brain {
  color: var(--text-primary);
}

.navbar-custom .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: color var(--transition-fast);
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: var(--accent-primary);
}

.navbar-custom .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
}

.navbar-toggler-custom {
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.6rem;
}

.navbar-toggler-custom .navbar-toggler-icon {
  background-image: none;
  width: 1.25em;
  height: 1.25em;
  position: relative;
}

.navbar-toggler-custom .navbar-toggler-icon::before {
  content: '\f0c9';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--text-primary);
  font-size: 1.2rem;
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

/* CTA Button in Navbar */
.btn-cta-nav {
  background: var(--accent-gradient);
  color: #fff !important;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.btn-cta-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 200, 255, 0.3);
  color: #fff !important;
}

/* ============================================================
   4. BUTTONS
   ============================================================ */

.btn-accent {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 200, 255, 0.3);
  color: #fff;
}

.btn-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

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

.btn-outline-accent {
  background: transparent;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  padding: 0.7rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-outline-accent:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================================
   5. HERO SECTION
   ============================================================ */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 200, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(123, 94, 167, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(0, 200, 255, 0.05) 0%, transparent 50%);
  animation: heroGradientShift 15s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes heroGradientShift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-2%, 2%) scale(1.05); }
  100% { transform: translate(2%, -1%) scale(1); }
}

/* Particle-like floating dots */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: float-particle 20s linear infinite;
}

.hero-particles span:nth-child(1) { left: 5%; animation-delay: 0s; animation-duration: 22s; }
.hero-particles span:nth-child(2) { left: 15%; animation-delay: -3s; animation-duration: 18s; width: 3px; height: 3px; }
.hero-particles span:nth-child(3) { left: 25%; animation-delay: -6s; animation-duration: 24s; }
.hero-particles span:nth-child(4) { left: 40%; animation-delay: -2s; animation-duration: 20s; width: 5px; height: 5px; }
.hero-particles span:nth-child(5) { left: 55%; animation-delay: -8s; animation-duration: 26s; width: 3px; height: 3px; }
.hero-particles span:nth-child(6) { left: 65%; animation-delay: -4s; animation-duration: 19s; }
.hero-particles span:nth-child(7) { left: 75%; animation-delay: -1s; animation-duration: 21s; width: 6px; height: 6px; opacity: 0.2; }
.hero-particles span:nth-child(8) { left: 85%; animation-delay: -7s; animation-duration: 25s; }
.hero-particles span:nth-child(9) { left: 92%; animation-delay: -5s; animation-duration: 23s; width: 3px; height: 3px; }
.hero-particles span:nth-child(10) { left: 50%; animation-delay: -9s; animation-duration: 17s; }

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-glow-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
  animation: orbPulse 8s ease-in-out infinite alternate;
}

.hero-glow-orb.orb-1 {
  background: var(--accent-primary);
  top: 10%;
  right: -5%;
  opacity: 0.15;
}

.hero-glow-orb.orb-2 {
  background: var(--accent-secondary);
  bottom: 10%;
  left: -10%;
  opacity: 0.12;
  animation-delay: -4s;
}

@keyframes orbPulse {
  0% { transform: scale(1); opacity: 0.1; }
  100% { transform: scale(1.3); opacity: 0.2; }
}

/* ============================================================
   6. SECTION STYLES
   ============================================================ */

.section-padding {
  padding: 100px 0;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  padding: 0.3rem 1rem;
  background: rgba(0, 200, 255, 0.1);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(0, 200, 255, 0.2);
}

/* ============================================================
   7. CARDS
   ============================================================ */

.card-custom {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
  height: 100%;
}

.card-custom:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--accent-primary);
  transition: all var(--transition-normal);
}

.card-custom:hover .card-icon {
  background: var(--accent-gradient);
  color: #fff;
}

.card-title-custom {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.card-text-custom {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.card-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 1rem;
  transition: gap var(--transition-fast);
}

.card-link-custom:hover {
  gap: 0.75rem;
  color: var(--accent-primary);
}

/* ============================================================
   8. STATS / FEATURES SECTION
   ============================================================ */

.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.stat-icon {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.stat-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.stat-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================================
   9. BLOG CARDS
   ============================================================ */

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-placeholder {
  width: 100%;
  height: 200px;
  background: var(--accent-gradient);
  opacity: 0.6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.5);
}

.blog-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  background: rgba(0, 200, 255, 0.1);
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-xl);
  margin-bottom: 0.75rem;
  width: fit-content;
}

.blog-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-title a {
  color: inherit;
}

.blog-card-title a:hover {
  color: var(--accent-primary);
}

.blog-card-excerpt {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

/* ============================================================
   10. BLOG SINGLE POST
   ============================================================ */

.blog-single-header {
  padding: 140px 0 60px;
  background: var(--bg-secondary);
}

.blog-single-category {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.blog-single-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.blog-single-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.blog-single-content {
  padding: 60px 0;
}

.blog-content-body {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 1.05rem;
}

.blog-content-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.blog-content-body h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

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

.blog-content-body img {
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.blog-content-body code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-card);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.blog-content-body pre {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.blog-content-body pre code {
  background: none;
  padding: 0;
}

.blog-content-body blockquote {
  border-left: 4px solid var(--accent-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

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

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

.blog-featured-image {
  border-radius: var(--radius-lg);
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  margin-bottom: 2rem;
}

/* ============================================================
   11. CONTACT FORM
   ============================================================ */

.form-control-custom {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control-custom:focus {
  background: var(--bg-card);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.15);
}

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

.form-label-custom {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-select-custom {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.form-select-custom:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.15);
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ============================================================
   12. PAGE HERO (Inner Pages)
   ============================================================ */

.page-hero {
  padding: 140px 0 60px;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.page-hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 600px;
}

.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.page-breadcrumb a {
  color: var(--text-muted);
}

.page-breadcrumb a:hover {
  color: var(--accent-primary);
}

.page-breadcrumb .separator {
  color: var(--text-muted);
  opacity: 0.5;
}

/* ============================================================
   13. CTA BANNER
   ============================================================ */

.cta-banner {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0, 200, 255, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(123, 94, 167, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* ============================================================
   14. FOOTER
   ============================================================ */

.footer-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 300px;
  line-height: 1.7;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-primary);
  padding-left: 4px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.footer-social a:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(0, 200, 255, 0.1);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

/* ============================================================
   15. PROCESS / STEPS SECTION
   ============================================================ */

.process-step {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.process-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 200, 255, 0.1);
  border: 2px solid var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.process-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Process connector line */
@media (min-width: 768px) {
  .process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30%;
    right: -10%;
    width: 20%;
    height: 2px;
    background: var(--border-color);
  }
}

/* ============================================================
   16. TECH BADGES
   ============================================================ */

.tech-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  margin: 0.25rem;
}

.tech-badge:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(0, 200, 255, 0.05);
}

/* ============================================================
   17. TEAM CARDS / AVATAR
   ============================================================ */

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.team-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.team-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

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

/* ============================================================
   18. VALUES SECTION
   ============================================================ */

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
  height: 100%;
}

.value-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
}

.value-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
}

/* ============================================================
   19. CATEGORY FILTER TABS
   ============================================================ */

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.category-tab {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.category-tab:hover,
.category-tab.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(0, 200, 255, 0.08);
}

/* ============================================================
   20. PAGINATION OVERRIDE
   ============================================================ */

.pagination .page-link {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.pagination .page-link:hover {
  background: rgba(0, 200, 255, 0.1);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.pagination .page-item.active .page-link {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

.pagination .page-item.disabled .page-link {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-muted);
  opacity: 0.5;
}

/* ============================================================
   21. ANIMATIONS (Scroll Reveal)
   ============================================================ */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   22. UTILITIES
   ============================================================ */

.bg-custom-secondary {
  background: var(--bg-secondary);
}

.border-custom {
  border-color: var(--border-color) !important;
}

.text-accent {
  color: var(--accent-primary);
}

.text-custom-muted {
  color: var(--text-muted);
}

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

/* ============================================================
   23. FORM VALIDATION STYLES
   ============================================================ */

.is-invalid {
  border-color: #dc3545 !important;
}

.invalid-feedback {
  color: #dc3545;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.is-valid {
  border-color: #198754 !important;
}

/* ============================================================
   24. RESPONSIVE ADJUSTMENTS
   ============================================================ */

@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }

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

  .page-hero-title {
    font-size: 2.25rem;
  }

  .blog-single-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-padding {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .page-hero {
    padding: 120px 0 40px;
  }

  .page-hero-title {
    font-size: 2rem;
  }

  .blog-single-title {
    font-size: 1.75rem;
  }

  .cta-title {
    font-size: 1.75rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .process-step:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* ============================================================
   25. BOOTSTRAP OVERRIDES
   ============================================================ */

.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.15);
}

.alert {
  border-radius: var(--radius-sm);
}

.badge {
  font-weight: 600;
}

/* Status badges */
.badge-published {
  background: rgba(25, 135, 84, 0.15);
  color: #198754;
  border: 1px solid rgba(25, 135, 84, 0.3);
}

.badge-draft {
  background: rgba(255, 193, 7, 0.15);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-new {
  background: rgba(0, 200, 255, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(0, 200, 255, 0.3);
}

.badge-read {
  background: rgba(108, 117, 125, 0.15);
  color: #6c757d;
  border: 1px solid rgba(108, 117, 125, 0.3);
}

.badge-replied {
  background: rgba(25, 135, 84, 0.15);
  color: #198754;
  border: 1px solid rgba(25, 135, 84, 0.3);
}