@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;
  --secondary-light: #67E8F9;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --bg-dark: #0F0A1E;
  --bg-card: #1A1033;
  --bg-surface: #221845;
  --text-primary: #F1F0FF;
  --text-secondary: #C4B5FD;
  --text-muted: #8B7FC0;
  --border-color: #3D2F7A;
  --success: #10B981;
  --error: #EF4444;
  --gradient-1: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
  --gradient-2: linear-gradient(135deg, #5B21B6 0%, #0891B2 100%);
  --gradient-hero: linear-gradient(160deg, #0F0A1E 0%, #1A0F3C 50%, #0A1628 100%);
  --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.15);
  --shadow-md: 0 4px 20px rgba(124, 58, 237, 0.25);
  --shadow-lg: 0 8px 40px rgba(124, 58, 237, 0.35);
  --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.4);
  --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

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

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

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

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 10, 30, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
  padding: 0 1.5rem;
}

.site-header.scrolled {
  background: rgba(15, 10, 30, 0.99);
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: var(--transition);
}

.site-logo:hover {
  color: var(--primary-light);
}

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

.site-logo span {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Main Navigation */

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

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.15);
}

.main-nav a.active {
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.2);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-1);
  border-radius: 2px;
}

.nav-cta {
  background: var(--gradient-1) !important;
  color: #fff !important;
  padding: 0.5rem 1.2rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-sm);
  margin-left: 0.5rem;
}

.nav-cta:hover {
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.5rem;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(124, 58, 237, 0.2);
  border-color: var(--primary);
  color: var(--primary-light);
}

/* Mobile Menu */

.mobile-menu {
  border-top: 1px solid var(--border-color);
  background: rgba(15, 10, 30, 0.98);
  padding: 1rem 0 1.5rem;
}

.mobile-menu a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  margin: 0 0.75rem;
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.15);
  padding-left: 2rem;
}

.mobile-menu a.active {
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.2);
}

.mobile-menu .nav-cta {
  background: var(--gradient-1) !important;
  color: #fff !important;
  text-align: center;
  margin: 0.75rem;
  padding: 0.75rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
}

@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: var(--transition);
  border-radius: inherit;
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  color: #fff;
}

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

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

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

.btn-cyan {
  background: linear-gradient(135deg, #06B6D4, #0891B2);
  color: #fff;
  box-shadow: var(--shadow-cyan);
}

.btn-cyan:hover {
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
  transform: translateY(-2px);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--primary);
}

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

.btn-lg {
  font-size: 1.05rem;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.2rem;
}

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

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  padding: 0.75rem 1.1rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

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

.form-control:focus {
  border-color: var(--primary);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
  color: var(--text-primary);
}

.form-control:hover:not(:focus) {
  border-color: var(--primary-dark);
}

.form-control.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-control.success {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%238B7FC0'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 20px;
  padding-right: 2.5rem;
}

.form-error-msg {
  font-size: 0.8rem;
  color: var(--error);
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-card:hover {
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-lg);
}

/* Floating label variant */
.form-floating {
  position: relative;
}

.form-floating .form-control {
  padding-top: 1.4rem;
  padding-bottom: 0.4rem;
}

.form-floating label {
  position: absolute;
  top: 50%;
  left: 1.1rem;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 400;
  pointer-events: none;
  transition: var(--transition);
  text-transform: none;
  letter-spacing: 0;
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
  top: 0.6rem;
  transform: none;
  font-size: 0.7rem;
  color: var(--primary-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}

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

.card:hover::before {
  opacity: 1;
}

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

.card-cyan {
  border-color: rgba(6, 182, 212, 0.3);
}

.card-cyan::before {
  background: linear-gradient(135deg, #06B6D4, #0891B2);
}

.card-cyan:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-cyan);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-light);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.card:hover .card-icon {
  background: rgba(124, 58, 237, 0.25);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
  transform: scale(1.05);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 1.25rem 2rem;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner-text {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex: 1;
  min-width: 240px;
}

.cookie-banner-icon {
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.cookie-banner-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.cookie-banner-content p {
  font-size: 0.85rem;
  color: #C4B5FD;
  line-height: 1.5;
  margin: 0;
}

.cookie-banner-content a {
  color: var(--secondary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner-content a:hover {
  color: var(--secondary);
}

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

.cookie-accept-btn {
  background: var(--gradient-1);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.cookie-accept-btn:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.cookie-decline-btn {
  background: transparent;
  color: #C4B5FD;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.cookie-decline-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
  color: #fff;
}

@media (max-width: 640px) {
  .cookie-banner {
    padding: 1rem;
  }
  .cookie-banner-inner {
    flex-direction: column;
    gap: 1rem;
  }
  .cookie-banner-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

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

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item:hover {
  border-color: var(--primary-dark);
}

.accordion-header {
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  user-select: none;
  transition: var(--transition);
}

.accordion-header:hover {
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.07);
}

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

.accordion-icon {
  font-size: 1.25rem;
  color: var(--primary-light);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  border-top: 1px solid var(--border-color);
}

.accordion-content.open {
  display: block;
}

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

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.4);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-light);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-title .gradient-text {
  background: var(--gradient-1);
  -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: 600px;
  margin-bottom: 2.5rem;
}

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

.section {
  padding: 6rem 1.5rem;
}

.section-sm {
  padding: 4rem 1.5rem;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

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

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==================== GRADIENT TEXT ==================== */

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #06B6D4, #7C3AED);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== STAT BOXES ==================== */

.stat-box {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-primary {
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.4);
  color: var(--primary-light);
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: var(--secondary-light);
}

.badge-amber {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #FCD34D;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #6EE7B7;
}

/* ==================== DIVIDER ==================== */

.gradient-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  opacity: 0.4;
  margin: 0;
}

/* ==================== TECH TAGS ==================== */

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  transition: var(--transition);
}

.tech-tag:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.1);
}

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

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

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary), transparent);
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.4rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-dark);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.3);
}

.timeline-date {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secondary);
  margin-bottom: 0.35rem;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.timeline-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

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

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 10, 30, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

/* ==================== TOAST NOTIFICATIONS ==================== */

.toast-container {
  position: fixed;
  top: 90px;
  right: 1.5rem;
  z-index: 9997;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 300px;
  max-width: 400px;
  animation: slide-in-right 0.3s ease;
  pointer-events: auto;
}

.toast-success {
  border-left: 3px solid var(--success);
}

.toast-error {
  border-left: 3px solid var(--error);
}

.toast-info {
  border-left: 3px solid var(--primary);
}

.toast-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--error); }
.toast-info .toast-icon { color: var(--primary-light); }

.toast-message {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.5;
  flex: 1;
}

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

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

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

.text-gradient {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-grid {
  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;
}

.glow-box {
  position: relative;
}

.glow-box::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-1);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.border-gradient {
  border: 1px solid transparent;
  background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
              var(--gradient-1) border-box;
}

.blur-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.3;
}

.blur-circle-purple {
  background: var(--primary);
}

.blur-circle-cyan {
  background: var(--secondary);
}

/* ==================== PROSE (Blog/Content) ==================== */

.prose-dark {
  color: var(--text-secondary);
  line-height: 1.85;
  font-size: 1rem;
}

.prose-dark h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.02em;
}

.prose-dark h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2rem 0 0.75rem;
}

.prose-dark p {
  margin-bottom: 1.25rem;
}

.prose-dark a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.prose-dark a:hover {
  color: var(--secondary-light);
}

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

.prose-dark li {
  margin-bottom: 0.5rem;
}

.prose-dark blockquote {
  border-left: 3px solid var(--primary);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.prose-dark code {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.5rem;
  font-size: 0.875rem;
  color: var(--secondary-light);
  font-family: 'Fira Code', 'Cascadia Code', monospace;
}

.prose-dark pre {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.prose-dark pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
}

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

.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 4rem 1.5rem 2rem;
  color: var(--text-muted);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.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: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  margin-top: 3rem;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 0.5rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(124, 58, 237, 0.2);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

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

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

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

@keyframes slide-in-right {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

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

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.3); }
  50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.6); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

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

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

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

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ==================== INTERSECTION OBSERVER ==================== */

.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

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

@media (max-width: 768px) {
  .section {
    padding: 4rem 1rem;
  }

  .section-sm {
    padding: 2.5rem 1rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .form-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  .card {
    padding: 1.5rem;
  }

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

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

@media (max-width: 480px) {
  .btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
  }

  .toast {
    min-width: unset;
    max-width: calc(100vw - 3rem);
  }

  .toast-container {
    right: 1rem;
    left: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}