@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: #7C3AED;
  --primary-dark: #5B21B6;
  --primary-light: #A78BFA;
  --secondary: #06B6D4;
  --secondary-dark: #0891B2;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --bg-base: #0F0A1E;
  --bg-card: #1A1030;
  --bg-elevated: #241642;
  --text-primary: #F1F0FF;
  --text-secondary: #C4B5FD;
  --text-muted: #8B7BB8;
  --border-subtle: rgba(124, 58, 237, 0.2);
  --border-strong: rgba(124, 58, 237, 0.5);
  --glow-purple: 0 0 20px rgba(124, 58, 237, 0.4);
  --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
  --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
  --gradient-card: linear-gradient(145deg, #1A1030 0%, #241642 100%);
  --gradient-hero: linear-gradient(160deg, #0F0A1E 0%, #1E0F3A 50%, #0A1628 100%);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 1px rgba(124, 58, 237, 0.3);
  --shadow-button: 0 4px 15px rgba(124, 58, 237, 0.4);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 10, 30, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.7), 0 0 1px rgba(124, 58, 237, 0.4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo img,
.nav-logo svg {
  height: 36px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-menu a::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-menu a:hover {
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.1);
}

.nav-menu a:hover::after {
  width: calc(100% - 1.7rem);
}

.nav-menu a.active {
  color: var(--primary-light);
}

.nav-menu a.active::after {
  width: calc(100% - 1.7rem);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 1.25rem;
  background: var(--gradient-primary);
  color: #ffffff !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-button);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.55);
}

.nav-cta::after {
  display: none !important;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 1.4rem;
  transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(124, 58, 237, 0.2);
}

.mobile-menu {
  background: rgba(15, 10, 30, 0.99);
  border-top: 1px solid var(--border-subtle);
  padding: 1rem 1.5rem 1.5rem;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.1);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

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

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.55);
  color: #ffffff;
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-light);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.btn-accent {
  background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.55);
  color: #ffffff;
}

.btn-ghost {
  background: rgba(124, 58, 237, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(124, 58, 237, 0.2);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

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

.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-card);
  color: var(--text-primary);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(124, 58, 237, 0.3);
  border-color: var(--border-strong);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid var(--border-subtle);
  color: var(--primary-light);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.card:hover .card-icon {
  background: rgba(124, 58, 237, 0.25);
  box-shadow: var(--glow-purple);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.card-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.card-featured {
  border-color: var(--primary);
  position: relative;
  overflow: hidden;
}

.card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(36, 22, 66, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

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

.form-control:focus {
  border-color: var(--primary);
  background: rgba(36, 22, 66, 0.9);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2), var(--glow-purple);
}

.form-control:hover:not(:focus) {
  border-color: rgba(124, 58, 237, 0.4);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238B7BB8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-error {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  color: #F87171;
}

.form-success {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  color: #34D399;
}

.form-hint {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

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

.hero-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.4rem 1rem;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.35);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 2.5rem;
}

/* ===================== SECTION STYLES ===================== */

.section {
  padding: 6rem 0;
  position: relative;
}

.section-sm {
  padding: 4rem 0;
}

.section-lg {
  padding: 8rem 0;
}

.section-dark {
  background: var(--bg-card);
}

.section-darker {
  background: var(--bg-elevated);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

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

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

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

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

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition-fast), color var(--transition-fast);
  gap: 1rem;
}

.accordion-header:hover {
  background: rgba(124, 58, 237, 0.08);
  color: var(--primary-light);
}

.accordion-header.active {
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.1);
}

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

.accordion-header.active .accordion-icon {
  transform: rotate(45deg);
  color: var(--primary-light);
}

.accordion-content {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===================== STATS & NUMBERS ===================== */

.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(124, 58, 237, 0.25);
}

.stat-number {
  font-size: 3rem;
  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: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===================== TECH BADGE / TAG ===================== */

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.85rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: #67E8F9;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(6, 182, 212, 0.2);
  border-color: rgba(6, 182, 212, 0.5);
}

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

.glow-purple {
  box-shadow: var(--glow-purple);
}

.glow-cyan {
  box-shadow: var(--glow-cyan);
}

.glow-line {
  height: 1px;
  background: var(--gradient-primary);
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.6);
  border: none;
  margin: 3rem 0;
}

/* ===================== GRID LAYOUTS ===================== */

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

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

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

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ===================== FEATURE LIST ===================== */

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='%237C3AED'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ===================== BLOG / PROJECT CARDS ===================== */

.post-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-card);
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(124, 58, 237, 0.3);
  border-color: var(--border-strong);
}

.post-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: var(--bg-elevated);
}

.post-card-image-placeholder {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(124, 58, 237, 0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
}

.post-card-body {
  padding: 1.5rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.post-category {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  background: rgba(124, 58, 237, 0.15);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.post-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.4;
  text-decoration: none;
  display: block;
  transition: color var(--transition-fast);
}

.post-title:hover {
  color: var(--primary-light);
}

.post-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

/* ===================== TIMELINE ===================== */

.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.65rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2), var(--glow-purple);
}

.timeline-date {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

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

.timeline-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

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

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(124, 58, 237, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 10, 30, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* ===================== FLOATING PARTICLES ===================== */

@keyframes float-up {
  0% { transform: translateY(0) scale(1); opacity: 0.6; }
  100% { transform: translateY(-80px) scale(0.5); opacity: 0; }
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  animation: float-up 4s ease-out infinite;
  pointer-events: none;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(15, 10, 30, 0.97);
  border-top: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.5);
}

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1;
  min-width: 280px;
  color: #E2D9F3;
  font-size: 0.88rem;
  line-height: 1.6;
}

.cookie-banner-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: #F1ECFF;
}

.cookie-banner-text a {
  color: #A78BFA;
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.cookie-banner-text a:hover {
  color: #C4B5FD;
}

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

.cookie-btn-accept {
  padding: 0.6rem 1.5rem;
  background: var(--gradient-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-button);
  white-space: nowrap;
}

.cookie-btn-accept:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

.cookie-btn-decline {
  padding: 0.6rem 1.25rem;
  background: transparent;
  color: #9CA3AF;
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.cookie-btn-decline:hover {
  color: #E2D9F3;
  border-color: rgba(124, 58, 237, 0.5);
}

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

.site-footer {
  background: linear-gradient(180deg, var(--bg-base) 0%, #08041A 100%);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 1.5rem;
  color: var(--text-secondary);
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

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

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

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

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

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

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

.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1.1rem;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.footer-social a:hover {
  background: rgba(124, 58, 237, 0.25);
  color: var(--primary-light);
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

/* ===================== ANIMATIONS ===================== */

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: var(--glow-purple); }
  50% { box-shadow: 0 0 35px rgba(124, 58, 237, 0.7); }
}

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

.animate-fade-in {
  animation: fade-in 0.5s ease forwards;
}

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

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

.glow-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

/* ===================== UTILITY CLASSES ===================== */

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

.text-gradient-cyan {
  background: linear-gradient(135deg, #06B6D4 0%, #7FE9F9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-primary {
  background: var(--gradient-primary);
}

.border-gradient {
  border: 1px solid var(--border-strong);
}

.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 2rem 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-primary {
  background: rgba(124, 58, 237, 0.2);
  color: var(--primary-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.badge-success {
  background: rgba(52, 211, 153, 0.15);
  color: #34D399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: #22D3EE;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

/* ===================== PAGINATION ===================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.page-link:hover,
.page-link.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--shadow-button);
}

/* ===================== CONTACT INFO ===================== */

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  transition: border-color var(--transition-fast);
}

.contact-info-item:hover {
  border-color: var(--border-strong);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary-light);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-info-value a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-info-value a:hover {
  color: var(--text-primary);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
  color: var(--border-strong);
}

.breadcrumb-current {
  color: var(--primary-light);
  font-weight: 600;
}

/* ===================== PAGE HERO ===================== */

.page-hero {
  background: var(--gradient-hero);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.page-hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 580px;
}

/* ===================== RESPONSIVE ===================== */

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
  }

  .nav-desktop {
    display: none;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero-section {
    min-height: 80vh;
  }

  .section {
    padding: 4rem 0;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .form-wrapper {
    padding: 1.5rem;
  }

  .cookie-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner-actions {
    width: 100%;
  }

  .cookie-btn-accept,
  .cookie-btn-decline {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

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

  .timeline {
    padding-left: 2rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    height: 60px;
  }

  .btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
  }

  .stat-number {
    font-size: 2.25rem;
  }

  .page-hero {
    padding: 3.5rem 0 3rem;
  }
}