@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
  --primary: #0f1923;
  --secondary: #1a2e3b;
  --accent: #00d4aa;
  --accent-alt: #7b2fff;
  --accent-warm: #ff6b35;
  --text-primary: #e8f4f8;
  --text-secondary: #8ab4c9;
  --text-muted: #4a6b7a;
  --surface: #0d1f2d;
  --surface-elevated: #162535;
  --surface-card: #1c3040;
  --border: #1e3a4a;
  --border-bright: #00d4aa33;
  --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #7b2fff 100%);
  --gradient-secondary: linear-gradient(135deg, #0f1923 0%, #1a2e3b 100%);
  --gradient-warm: linear-gradient(135deg, #ff6b35 0%, #7b2fff 100%);
  --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-accent: 0 4px 20px rgba(0, 212, 170, 0.2);
  --shadow-purple: 0 4px 20px rgba(123, 47, 255, 0.2);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
  transition: background var(--transition-base);
}

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

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

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

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

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

/* ============================================
   HEADER & NAVIGATION
============================================ */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 25, 35, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-base);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.4);
}

.site-header.scrolled {
  background: rgba(13, 31, 45, 0.98);
  border-bottom-color: var(--border-bright);
  box-shadow: 0 2px 30px rgba(0, 212, 170, 0.08);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 700;
  box-shadow: var(--shadow-accent);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.site-logo:hover .logo-icon {
  transform: rotate(8deg) scale(1.05);
  box-shadow: 0 6px 24px rgba(0, 212, 170, 0.4);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 170, 0.06);
}

.nav-link:hover::after {
  width: 60%;
}

.nav-link.active {
  color: var(--accent);
  background: rgba(0, 212, 170, 0.08);
}

.nav-link.active::after {
  width: 60%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 5px;
  transition: all var(--transition-base);
  padding: 0;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-btn:hover {
  background: var(--surface-elevated);
  border-color: var(--accent);
}

.mobile-menu-btn:hover span {
  background: var(--accent);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  background: rgba(13, 31, 45, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.mobile-nav-link:hover {
  color: var(--accent);
  background: rgba(0, 212, 170, 0.06);
  border-color: var(--border-bright);
}

.mobile-nav-link i {
  font-size: 1.1rem;
  color: var(--accent);
  width: 20px;
  text-align: center;
}

/* ============================================
   BUTTONS
============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition-fast);
}

.btn:hover::before {
  background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--primary);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 212, 170, 0.35);
  color: var(--primary);
}

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

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn-secondary:hover {
  background: rgba(0, 212, 170, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
  color: var(--accent);
}

.btn-ghost {
  background: var(--surface-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-bright);
}

.btn-accent {
  background: var(--gradient-warm);
  color: var(--text-primary);
  box-shadow: var(--shadow-purple);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(123, 47, 255, 0.35);
  color: var(--text-primary);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
}

/* ============================================
   COOKIE BANNER
============================================ */

.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: calc(100% - 3rem);
  max-width: 900px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 212, 170, 0.08);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  backdrop-filter: blur(20px);
  animation: slideUp 0.4s ease forwards;
}

.cookie-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 1px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.cookie-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  animation: wiggle 3s ease infinite;
}

.cookie-content {
  flex: 1;
}

.cookie-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.cookie-text {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cookie-text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* ============================================
   FORMS
============================================ */

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-primary);
  transition: all var(--transition-base);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

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

.form-control:focus {
  border-color: var(--accent);
  background: var(--surface-elevated);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.12);
}

.form-control:hover:not(:focus) {
  border-color: rgba(0, 212, 170, 0.3);
}

.form-control.error {
  border-color: #ff4d4d;
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.12);
}

.form-control.success {
  border-color: var(--accent);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
  max-height: 400px;
}

select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300d4aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 0.375rem;
}

.form-error {
  font-size: 0.775rem;
  color: #ff4d4d;
  margin-top: 0.375rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.input-group {
  position: relative;
}

.input-group .form-control {
  padding-left: 2.75rem;
}

.input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
  transition: color var(--transition-base);
}

.input-group:focus-within .input-icon {
  color: var(--accent);
}

.checkbox-group,
.radio-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
  margin-top: 2px;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.5;
}

/* ============================================
   CARDS
============================================ */

.card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  transform: translateY(-4px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-body {
  padding: 1.5rem;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.1);
}

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

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.625rem;
  background: rgba(0, 212, 170, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.card-tag.purple {
  background: rgba(123, 47, 255, 0.1);
  color: var(--accent-alt);
  border-color: rgba(123, 47, 255, 0.2);
}

.card-tag.warm {
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent-warm);
  border-color: rgba(255, 107, 53, 0.2);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ============================================
   FEATURE CARDS
============================================ */

.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  transition: all var(--transition-slow);
}

.feature-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::after {
  width: 200px;
  height: 200px;
  bottom: -80px;
  right: -80px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: rgba(0, 212, 170, 0.18);
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-accent);
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.feature-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   HERO SECTION
============================================ */

.hero-section {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg-gradient {
  position: absolute;
  top: -50%;
  left: -20%;
  width: 80%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(0, 212, 170, 0.06) 0%, transparent 60%);
}

.hero-bg-gradient-2 {
  position: absolute;
  top: 20%;
  right: -20%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(123, 47, 255, 0.06) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

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

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   SECTIONS
============================================ */

.section {
  padding: 5rem 0;
}

.section-sm {
  padding: 3rem 0;
}

.section-lg {
  padding: 7rem 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-sm {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.875rem;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.18);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.875rem, 3.5vw, 2.875rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.75;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 30%, var(--border-bright) 50%, var(--border) 70%, transparent 100%);
  margin: 3rem 0;
}

/* ============================================
   STATS SECTION
============================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

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

.stat-card:hover::after {
  transform: scaleX(1);
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   ACCORDION
============================================ */

.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--surface-card);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-base);
  gap: 1rem;
}

.accordion-trigger:hover {
  background: var(--surface-elevated);
}

.accordion-trigger.active {
  background: var(--surface-elevated);
  color: var(--accent);
}

.accordion-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  transition: color var(--transition-base);
}

.accordion-trigger:hover .accordion-title,
.accordion-trigger.active .accordion-title {
  color: var(--accent);
}

.accordion-icon {
  font-size: 1.1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition-base), color var(--transition-base);
}

.accordion-trigger.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--accent);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-content.open {
  max-height: 1000px;
}

.accordion-body {
  padding: 1.25rem 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.75;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

/* ============================================
   BADGES & TAGS
============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.625rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-primary {
  background: rgba(0, 212, 170, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 170, 0.2);
}

.badge-purple {
  background: rgba(123, 47, 255, 0.1);
  color: var(--accent-alt);
  border: 1px solid rgba(123, 47, 255, 0.2);
}

.badge-warm {
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent-warm);
  border: 1px solid rgba(255, 107, 53, 0.2);
}

.badge-neutral {
  background: rgba(138, 180, 201, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ============================================
   BREADCRUMB
============================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.825rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  padding: 0.75rem 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.breadcrumb-sep {
  color: var(--text-muted);
  font-size: 0.7rem;
}

.breadcrumb-current {
  color: var(--accent);
  font-weight: 500;
}

/* ============================================
   TABLES
============================================ */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  padding: 0.875rem 1.25rem;
  text-align: left;
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 0.875rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(0, 212, 170, 0.03);
  color: var(--text-primary);
}

/* ============================================
   ALERT / NOTIFICATION
============================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.6;
  border: 1px solid;
}

.alert-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-info {
  background: rgba(0, 212, 170, 0.06);
  border-color: rgba(0, 212, 170, 0.2);
  color: var(--accent);
}

.alert-warning {
  background: rgba(255, 107, 53, 0.06);
  border-color: rgba(255, 107, 53, 0.2);
  color: var(--accent-warm);
}

.alert-error {
  background: rgba(255, 77, 77, 0.06);
  border-color: rgba(255, 77, 77, 0.2);
  color: #ff4d4d;
}

.alert-success {
  background: rgba(0, 212, 170, 0.06);
  border-color: rgba(0, 212, 170, 0.2);
  color: var(--accent);
}

/* ============================================
   PROGRESS BAR
============================================ */

.progress-wrapper {
  margin-bottom: 1rem;
}

.progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.progress-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.progress-value {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--accent);
}

.progress-track {
  height: 6px;
  background: var(--surface);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 100px;
  transition: width 1s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 8px;
  height: 100%;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 100px;
}

/* ============================================
   TABS
============================================ */

.tabs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  width: fit-content;
}

.tab-btn {
  padding: 0.5rem 1.125rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  background: var(--surface-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.tab-content {
  display: none;
  animation: fadeIn 0.25s ease;
}

.tab-content.active {
  display: block;
}

/* ============================================
   BLOG / ARTICLE STYLES
============================================ */

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-meta-item i {
  color: var(--accent);
  font-size: 0.875rem;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.875rem;
  letter-spacing: -0.02em;
}

.article-body h1 { font-size: 2rem; }
.article-body h2 { font-size: 1.5rem; }
.article-body h3 { font-size: 1.25rem; }
.article-body h4 { font-size: 1.1rem; }

.article-body p {
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
}

.article-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-body em {
  color: var(--accent);
}

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-body li {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0.375rem;
  font-size: 0.975rem;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  background: rgba(0, 212, 170, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-body code {
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-size: 0.875em;
  color: var(--accent);
}

.article-body pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* ============================================
   FOOTER
============================================ */

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 280px;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 0.625rem;
}

.social-link {
  width: 36px;
  height: 36px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: rgba(0, 212, 170, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-heading {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

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

.footer-link::before {
  content: '';
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition-base);
  display: inline-block;
}

.footer-link:hover::before {
  width: 12px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-legal-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* ============================================
   NEWSLETTER / SUBSCRIPTION
============================================ */

.newsletter-section {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  position: relative;
  overflow: hidden;
}

.newsletter-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.newsletter-section::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 30%;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(123, 47, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
}

.newsletter-form .form-control {
  flex: 1;
}

/* ============================================
   SEARCH
============================================ */

.search-wrapper {
  position: relative;
  max-width: 500px;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.875rem;
  background: var(--surface-card);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-base);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  border-color: var(--accent);
  background: var(--surface-elevated);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.12);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: color var(--transition-base);
}

.search-wrapper:focus-within .search-icon {
  color: var(--accent);
}

/* ============================================
   LOADING SPINNER
============================================ */

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(0, 212, 170, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

.spinner-purple {
  border-color: rgba(123, 47, 255, 0.15);
  border-top-color: var(--accent-alt);
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 31, 45, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.loading-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* ============================================
   TECH CIRCUIT ANIMATION
============================================ */

.circuit-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.03;
}

.circuit-line {
  position: absolute;
  background: var(--accent);
  animation: circuit-flow 4s ease infinite;
}

.circuit-line.h {
  height: 1px;
}

.circuit-line.v {
  width: 1px;
}

/* ============================================
   GLOWING ELEMENTS
============================================ */

.glow-accent {
  box-shadow: 0 0 20px rgba(0, 212, 170, 0.3), 0 0 40px rgba(0, 212, 170, 0.1);
}

.glow-purple {
  box-shadow: 0 0 20px rgba(123, 47, 255, 0.3), 0 0 40px rgba(123, 47, 255, 0.1);
}

.text-glow {
  text-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
}

.neon-border {
  border: 1px solid var(--accent);
  box-shadow: 0 0 8px rgba(0, 212, 170, 0.2), inset 0 0 8px rgba(0, 212, 170, 0.05);
}

/* ============================================
   FLOATING ELEMENTS
============================================ */

.float-animation {
  animation: float 4s ease-in-out infinite;
}

.float-animation-delay {
  animation: float 4s ease-in-out infinite;
  animation-delay: 1.5s;
}

/* ============================================
   TECH TERMINAL STYLE
============================================ */

.terminal {
  background: #0a0e12;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.terminal-header {
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
  font-family: monospace;
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.terminal-prompt {
  color: var(--accent);
}

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

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

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1.2s step-end infinite;
}

/* ============================================
   SIDEBAR
============================================ */

.sidebar-sticky {
  position: sticky;
  top: 90px;
}

.sidebar-widget {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-widget-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-widget-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--gradient-primary);
  border-radius: 2px;
  display: inline-block;
}