@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');

/* ============================================
   ISTRION LABS - CSS VARIABLES & ROOT STYLES
   ============================================ */
:root {
  /* Primary Palette - Deep Space Tech */
  --color-primary: #6c3bff;
  --color-primary-light: #8f65ff;
  --color-primary-dark: #4a1fcc;
  --color-primary-glow: rgba(108, 59, 255, 0.35);

  /* Secondary Palette - Neon Cyan */
  --color-secondary: #00e5c8;
  --color-secondary-light: #4dfff0;
  --color-secondary-dark: #00a890;
  --color-secondary-glow: rgba(0, 229, 200, 0.3);

  /* Accent - Vivid Amber */
  --color-accent: #ff9f1c;
  --color-accent-light: #ffb84d;
  --color-accent-dark: #cc7a00;
  --color-accent-glow: rgba(255, 159, 28, 0.3);

  /* Neutral Dark Backgrounds */
  --color-bg-dark: #080b14;
  --color-bg-card: #0d1221;
  --color-bg-elevated: #131929;
  --color-bg-surface: #1a2235;
  --color-bg-overlay: rgba(8, 11, 20, 0.92);

  /* Text Colors */
  --color-text-primary: #e8eaf2;
  --color-text-secondary: #9ba3bb;
  --color-text-muted: #5c6480;
  --color-text-highlight: #ffffff;

  /* Border Colors */
  --color-border: rgba(108, 59, 255, 0.2);
  --color-border-light: rgba(232, 234, 242, 0.08);
  --color-border-glow: rgba(0, 229, 200, 0.4);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6c3bff 0%, #00e5c8 100%);
  --gradient-dark: linear-gradient(180deg, #080b14 0%, #0d1221 100%);
  --gradient-card: linear-gradient(145deg, #0d1221 0%, #131929 100%);
  --gradient-hero: linear-gradient(135deg, #080b14 0%, #0f0a1e 50%, #081420 100%);
  --gradient-accent: linear-gradient(135deg, #ff9f1c 0%, #ff6b6b 100%);
  --gradient-shine: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 60%
  );

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
  --shadow-primary: 0 0 30px rgba(108, 59, 255, 0.3);
  --shadow-secondary: 0 0 30px rgba(0, 229, 200, 0.25);
  --shadow-accent: 0 0 30px rgba(255, 159, 28, 0.25);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(108, 59, 255, 0.12);
  --shadow-card-hover: 0 8px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 229, 200, 0.3), 0 0 40px rgba(0, 229, 200, 0.1);

  /* Spacing & Sizing */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  --transition-bounce: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   BASE & RESET STYLES
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
}

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

/* ============================================
   STICKY HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(8, 11, 20, 0.97);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5), 0 1px 0 rgba(108, 59, 255, 0.2);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.4;
}

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

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.site-logo:hover {
  opacity: 0.9;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: var(--shadow-primary);
  position: relative;
  overflow: hidden;
}

.logo-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shine);
  animation: shine 3s infinite;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-badge {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  text-transform: uppercase;
  align-self: flex-end;
  margin-bottom: 2px;
  opacity: 0.8;
}

/* Desktop Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background var(--transition-base);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(108, 59, 255, 0.12);
}

.nav-link.active {
  color: var(--color-secondary);
  background: rgba(0, 229, 200, 0.08);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1.75rem);
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-bounce);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link i {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
  color: var(--color-text-primary);
  border-color: var(--color-primary);
  background: rgba(108, 59, 255, 0.12);
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.mobile-menu-toggle i {
  font-size: 1.375rem;
}

/* ============================================
   MOBILE NAVIGATION
   ============================================ */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(8, 11, 20, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
  z-index: 999;
  overflow: hidden;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.mobile-nav {
  padding: 1rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(108, 59, 255, 0.1);
  border-color: var(--color-border);
}

.mobile-nav-link.active {
  color: var(--color-secondary);
  background: rgba(0, 229, 200, 0.08);
  border-color: rgba(0, 229, 200, 0.2);
}

.mobile-nav-link i {
  font-size: 1.125rem;
  opacity: 0.8;
  width: 20px;
  text-align: center;
}

.mobile-nav-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 0.5rem 0;
}

.mobile-nav-actions {
  padding: 1rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

  .nav-desktop {
    display: none;
  }
}

/* ============================================
   BUTTON STYLES
   ============================================ */
.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;
  user-select: none;
  -webkit-user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shine);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn i {
  font-size: 1rem;
  transition: transform var(--transition-bounce);
}

.btn:hover i {
  transform: translateX(3px);
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px var(--color-primary-glow), 0 0 0 1px rgba(108, 59, 255, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px var(--color-primary-glow);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
  box-shadow: 0 0 0 0 var(--color-secondary-glow);
}

.btn-secondary:hover {
  background: rgba(0, 229, 200, 0.08);
  box-shadow: 0 0 20px var(--color-secondary-glow), 0 0 0 1px var(--color-secondary);
  transform: translateY(-1px);
}

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

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  color: var(--color-text-primary);
  border-color: var(--color-primary);
  background: rgba(108, 59, 255, 0.08);
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

/* Accent Button */
.btn-accent {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-accent:hover {
  box-shadow: 0 6px 30px var(--color-accent-glow), 0 0 0 1px rgba(255, 159, 28, 0.4);
  transform: translateY(-1px);
}

/* Button Sizes */
.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
}

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

.btn-xl {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
  letter-spacing: 0.02em;
}

.btn-full {
  width: 100%;
}

/* Button with loading state */
.btn-loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn-loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 4px;
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-label i {
  color: var(--color-primary-light);
  font-size: 0.875rem;
}

.form-label .required {
  color: var(--color-accent);
  font-size: 0.875rem;
  line-height: 1;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-family: var(--font-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

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

.form-control:hover {
  border-color: rgba(108, 59, 255, 0.4);
  background: var(--color-bg-surface);
}

.form-control:focus {
  border-color: var(--color-primary);
  background: var(--color-bg-surface);
  box-shadow: 0 0 0 3px rgba(108, 59, 255, 0.15), 0 0 20px rgba(108, 59, 255, 0.1);
}

.form-control:focus::placeholder {
  color: transparent;
}

.form-control.is-valid {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 229, 200, 0.1);
}

.form-control.is-invalid {
  border-color: #ff5c5c;
  box-shadow: 0 0 0 3px rgba(255, 92, 92, 0.1);
}

/* Textarea */
textarea.form-control {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

/* Select */
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ba3bb' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

select.form-control option {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

/* Input with icon */
.input-wrapper {
  position: relative;
}

.input-wrapper .input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: color var(--transition-base);
}

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

.input-wrapper:focus-within .input-icon {
  color: var(--color-primary-light);
}

.input-wrapper .input-suffix {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.form-check-input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  background: var(--color-bg-elevated);
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: all var(--transition-base);
  position: relative;
}

.form-check-input:checked {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.form-check-input:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: 2px solid #ffffff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: #ffffff;
  border-radius: 50%;
}

.form-check-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.form-check-label a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.form-check-label a:hover {
  color: var(--color-secondary);
}

/* Form helper text */
.form-help {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.form-error {
  font-size: 0.8125rem;
  color: #ff5c5c;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.form-success {
  font-size: 0.8125rem;
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

/* Form card container */
.form-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

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

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

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 1.5rem;
  }
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: calc(100% - 3rem);
  max-width: 860px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(108, 59, 255, 0.1), 0 0 60px rgba(0, 0, 0, 0.4);
  padding: 1.5rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: slideUpFade 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.cookie-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.cookie-inner {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.cookie-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(108, 59, 255, 0.15);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary-light);
}

.cookie-content {
  flex: 1;
}

.cookie-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.375rem;
}

.cookie-text {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

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

.cookie-text a:hover {
  color: var(--color-secondary-light);
}

.cookie-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.cookie-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: all var(--transition-base);
  font-size: 1.125rem;
}

.cookie-close:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 640px) {
  .cookie-banner {
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .cookie-inner {
    flex-direction: column;
    gap: 0.875rem;
  }

  .cookie-actions {
    justify-content: stretch;
  }

  .cookie-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

/* ============================================
   CARD STYLES
   ============================================ */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition-slow), border-color var(--transition-slow), transform var(--transition-slow);
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 229, 200, 0.25);
  transform: translateY(-4px);
}

.card-hover-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(108, 59, 255, 0.06), transparent 40%);
  transition: opacity var(--transition-slow);
}

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

.card-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

/* Feature Card */
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

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

.feature-card:hover {
  border-color: rgba(108, 59, 255, 0.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
}

.feature-icon-primary {
  background: rgba(108, 59, 255, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(108, 59, 255, 0.25);
}

.feature-icon-secondary {
  background: rgba(0, 229, 200, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(0, 229, 200, 0.2);
}

.feature-icon-accent {
  background: rgba(255, 159, 28, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(255, 159, 28, 0.2);
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.625rem;
  letter-spacing: -0.01em;
}

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

/* Stat Card */
.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.375rem;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Pricing Card */
.pricing-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.pricing-card.featured {
  border-color: rgba(108, 59, 255, 0.5);
  box-shadow: var(--shadow-primary), var(--shadow-card);
}

.pricing-card.featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse at 50% 0%, rgba(108, 59, 255, 0.07), transparent 60%);
  pointer-events: none;
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.875rem;
  background: var(--gradient-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 12px var(--color-primary-glow);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-text-highlight);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.pricing-price sup {
  font-size: 1.375rem;
  font-weight: 600;
  vertical-align: top;
  margin-top: 0.5rem;
  margin-right: 0.125rem;
  color: var(--color-text-secondary);
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.pricing-feature i {
  color: var(--color-secondary);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-feature.unavailable {
  opacity: 0.4;
}

.pricing-feature.unavailable i {
  color: var(--color-text-muted);
}

/* ============================================
   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: 1.25rem;
}

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

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

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

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ACCORDION STYLES
   ============================================ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.accordion-item.open {
  border-color: rgba(108, 59, 255, 0.35);
  box-shadow: 0 0 20px rgba(108, 59, 255, 0.08);
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.375rem;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: background var(--transition-base);
}

.accordion-trigger:hover {
  background: rgba(108, 59, 255, 0.06);
}

.accordion-question {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.4;
  flex: 1;
  padding-right: 1rem;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 59, 255, 0.1);
  border-radius: 50%;
  color: var(--color-primary-light);
  font-size: 0.875rem;
  transition: transform var(--transition-bounce), background var(--transition-base), color var(--transition-base);
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
  background: rgba(0, 229, 200, 0.1);
  color: var(--color-secondary);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.accordion-item.open .accordion-body {
  max-height: 600px;
  transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
}

.accordion-content {
  padding: 0 1.375rem 1.375rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--color-border-light);
  padding-top: 1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 7rem 0 6rem;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 59, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 59, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
  pointer-events: none;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  left: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-secondary);
  top: -50px;
  right: -50px;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  bottom: -100px;
  left: 30%;
  animation: float 12s ease-in-out infinite;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem 0.4rem 0.5rem;
  background: rgba(108, 59, 255, 0.12);
  border: 1px solid rgba(108, 59, 255, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: 1.75rem;
  animation: fadeInDown 0.6s ease forwards;
}

.hero-badge-dot {
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #ffffff;
}

.hero-badge-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary-light);
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--color-text-highlight);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.7s ease forwards;
}

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

.hero-title-outline {
  -webkit-text-stroke: 1px rgba(108, 59, 255, 0.5);
  color: transparent;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.9s ease forwards;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-top: 2.5rem;
  animation: fadeInUp 1s ease forwards;
}

.hero-avatars {
  display: flex;
  align-items: center;
}

.hero-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-bg-dark);
  margin-right: -10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
}

.hero-social-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-left: 18px;
}

.hero-social-text strong {
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
  padding: 6rem 0;
}

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

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

.section-alt {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  padding: 0.3rem 0.875rem;
  background: rgba(0, 229, 200, 0.08);
  border: 1px solid rgba(0, 229, 200, 0.2);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: clamp(1.875rem, 3vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: 1.15;
  margin-bottom: 1rem;
}

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

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

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

/* ============================================
   BADGE / TAG STYLES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: rgba(108, 59, 255, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(108, 59, 255, 0.25);
}

.badge-secondary {
  background: rgba(0, 229, 200, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(0, 229, 200, 0.2);
}

.badge-accent {
  background: rgba(255, 159, 28, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(255, 159, 28, 0.2);
}

.badge-success {
  background: rgba(52, 211, 153, 0.1);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.badge-danger {
  background: rgba(255, 92, 92, 0.1);
  color: #ff5c5c;
  border: 1px solid rgba(255, 92, 92, 0.2);
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  position: relative;
}

.spinner::before,
.spinner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.spinner::before {
  inset: 0;
  border: 2px solid var(--color-border);
}

.spinner::after {
  inset: 0;
  border: 2px solid transparent;
  border-top-color: var(--color-primary);
  border-right-color: var(--color-secondary);
  animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
  width: 60px;
  height: 60px;
}

/* Pulse loader */
.pulse-loader {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-bounce 1.2s ease-in-out infinite;
}

.pulse-dot:nth-child(2) {
  background: var(--color-secondary);
  animation-delay: 0.2s;
}

.pulse-dot:nth-child(3) {
  background: var(--color-accent);
  animation-delay: 0.4s;
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-elevated) 25%,
    var(--color-bg-surface) 50%,
    var(--color-bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 24px;
  border-radius: 4px;
  margin-bottom: 12px;
  width: 60%;
}

.skeleton-circle {
  border-radius: 50%;
}

/* ============================================
   TOOLTIP STYLES
   ============================================ */
.tooltip-wrapper {
  position: relative;
  display: inline-flex;
}

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(4px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  box-shadow: var(--shadow-md);
  z-index: 100;
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-border);
}

.tooltip-wrapper:hover .tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   ALERT STYLES
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  border: 1px solid;
}