@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');

/* ============================================
   CROVALYX - TECHNOLOGY WEBSITE CSS
   ============================================ */

/* CSS Variables */
:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #5b21b6;
  --secondary: #06b6d4;
  --secondary-light: #67e8f9;
  --secondary-dark: #0891b2;
  --accent: #f59e0b;
  --accent-light: #fcd34d;
  --accent-dark: #d97706;
  --background: #0a0a14;
  --background-alt: #0f0f1e;
  --background-card: #13132a;
  --background-glass: rgba(19, 19, 42, 0.85);
  --text-primary: #f0f0ff;
  --text-secondary: #a0a0c0;
  --text-muted: #6060a0;
  --border: #2a2a50;
  --border-light: #3a3a70;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #7c3aed 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-dark: linear-gradient(180deg, #0a0a14 0%, #0f0f1e 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 30px rgba(6, 182, 212, 0.4);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

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

/* Selection */
::selection {
  background: var(--primary);
  color: #ffffff;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p {
  color: var(--text-secondary);
  line-height: 1.8;
}

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

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

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

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

/* ============================================
   LAYOUT
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background: var(--background-alt);
}

/* Grid Noise Overlay */
.noise-overlay {
  position: relative;
}

.noise-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

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

.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--background-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-normal);
  padding: 0;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-light);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-normal);
}

.logo:hover .logo-icon {
  transform: rotate(10deg) scale(1.05);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

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

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

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

.nav-link.active {
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.15);
}

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

/* 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: rgba(124, 58, 237, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.4rem;
  transition: all var(--transition-fast);
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--background-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  z-index: 999;
  transform-origin: top;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.mobile-nav-link:hover {
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.12);
  border-color: var(--border);
}

.mobile-nav-link i {
  font-size: 1.1rem;
  color: var(--primary-light);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: none;
  outline: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

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

.btn:hover::before {
  background: rgba(255, 255, 255, 0.08);
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
  background: rgba(124, 58, 237, 0.1);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

/* Cyan Button */
.btn-cyan {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: white;
  box-shadow: var(--shadow-cyan);
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(6, 182, 212, 0.5);
  color: white;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--primary-light);
  border: 1px solid transparent;
}

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

/* Accent Button */
.btn-accent {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(245, 158, 11, 0.5);
  color: white;
}

/* Large Button */
.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* Small Button */
.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* Icon Button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1.1rem;
}

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

/* Ripple Effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

.btn-ripple:active::after {
  transform: scale(4);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

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

.card {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

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

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

/* Feature Card */
.feature-card {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  border-color: rgba(124, 58, 237, 0.5);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(124, 58, 237, 0.2);
}

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

.feature-card-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-normal);
}

.feature-card:hover .feature-card-icon {
  transform: scale(1.1) rotate(5deg);
}

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

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

.pricing-card.popular::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(124, 58, 237, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.35rem 0.9rem;
  background: var(--gradient-primary);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-price span {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Testimonial Card */
.testimonial-card {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 5rem;
  font-family: Georgia, serif;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.4;
}

.testimonial-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

/* Stats Card */
.stat-card {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

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

.hero {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 80% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
              var(--gradient-dark);
  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: 50px 50px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, black 0%, transparent 80%);
}

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

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
  bottom: -50px;
  right: -50px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.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, 0.4);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-light);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

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

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-label.required::after {
  content: ' *';
  color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--background-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background: var(--background-card);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-input:hover:not(:focus),
.form-select:hover:not(:focus),
.form-textarea:hover:not(:focus) {
  border-color: var(--border-light);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236060a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-input-icon {
  position: relative;
}

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

.form-input-icon .input-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

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

.form-hint {
  margin-top: 0.375rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-error {
  margin-top: 0.375rem;
  font-size: 0.8rem;
  color: var(--error);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

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

.form-check-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.4;
}

/* Custom Checkbox */
.custom-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.custom-checkbox input {
  display: none;
}

.custom-checkbox-box {
  width: 20px;
  height: 20px;
  background: var(--background-alt);
  border: 2px solid var(--border-light);
  border-radius: 5px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-top: 1px;
}

.custom-checkbox input:checked + .custom-checkbox-box {
  background: var(--primary);
  border-color: var(--primary);
}

.custom-checkbox input:checked + .custom-checkbox-box::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

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

/* Contact Form */
.contact-form {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

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

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.accordion-item.active {
  border-color: rgba(124, 58, 237, 0.5);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: rgba(124, 58, 237, 0.05);
}

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

.accordion-icon {
  width: 28px;
  height: 28px;
  background: rgba(124, 58, 237, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-normal);
  color: var(--primary-light);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background: var(--gradient-primary);
  color: white;
}

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

.accordion-item.active .accordion-body {
  max-height: 500px;
}

.accordion-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

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

.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 3rem);
  max-width: 900px;
  background: var(--background-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  z-index: 9999;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--shadow-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: cookieSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cookieSlideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.cookie-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: radial-gradient(ellipse at bottom left, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cookie-content {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  flex: 1;
}

.cookie-icon {
  width: 44px;
  height: 44px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.cookie-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.cookie-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

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

.cookie-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 28px;
  height: 28px;
  background: rgba(255, 255, 255, 0.05);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.cookie-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* ============================================
   NAVIGATION DROPDOWN
   ============================================ */

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(10px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: rgba(124, 58, 237, 0.1);
  color: var(--primary-light);
}

.nav-dropdown-item i {
  font-size: 1rem;
  color: var(--primary-light);
}

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

.tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.35rem;
}

.tab-btn {
  flex: 1;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: transparent;
  font-family: var(--font-primary);
  white-space: nowrap;
}

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

.tab-btn.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

.badge-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--secondary-light);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-accent {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ============================================
   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;
}

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

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

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

/* Dots Loader */
.dots-loader {
  display: flex;
  gap: 6px;
  align-items: center;
}

.dots-loader span {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: dotBounce 1.2s ease-in-out infinite;
}

.dots-loader span:nth-child(2) { animation-delay: 0.2s; }
.dots-loader span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--background-alt);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  transition: width 1s ease;
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  to { left: 100%; }
}

/* ============================================
   TECH STACK / LOGO STRIP
   ============================================ */

.logo-strip {
  display: flex;
  align-items: center;
  gap: 3rem;
  overflow: hidden;
  padding: 1rem 0;
}

.logo-strip-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  animation: logoScroll 20s linear infinite;
}

@keyframes logoScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.logo-item {
  opacity: 0.4;
  transition: opacity var(--transition-normal);
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-item:hover {
  opacity: 0.8;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 1rem;
  position: relative;
  padding: 0 1.5rem;
}

.section-label::before,
.section-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--primary);
}

.section-label::before { right: 100%; }
.section-label::after { left: 100%; }

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin: 1.5rem auto 0;
}

/* ============================================
   TECH GRID PATTERN
   ============================================ */

.tech-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(124, 58, 237, 0.15) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

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

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

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

.glow-text {
  text-shadow: 0 0 30px rgba(124, 58, 237, 0.5);
}

/* Neon Border */
.neon-border {
  border: 1px solid transparent;
  background: linear-gradient(var(--background-card), var(--background-card)) padding-box,
              var(--gradient-primary) border-box;
}

/* ============================================
   ICON GRID / TECH ICONS
   ============================================ */

.icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.icon-box-primary {
  background: rgba(124, 58, 237, 0.15);
  color: var(--primary-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.icon-box-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--secondary-light);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.icon-box-accent {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ============================================
   DIVIDERS
   ============================================ */

.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.divider-gradient {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin: 2rem 0;
}

/* ============================================
   TOAST / NOTIFICATION
   ============================================ */

.toast {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--background-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  min-width: 280px;
  max-width: 400px;
  animation: toastSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.toast-success .toast-icon { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.toast-error .toast-icon { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.toast-info .toast-icon { background: rgba(124, 58, 237, 0.2); color: var(--primary-light); }

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

.footer {
  background: var(--background-alt);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 1rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--primary-light);
}

.footer-link::before {
  content: '';
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: width var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

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

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes glow {
  0%, 100% { box-shadow: var(--shadow-glow); }
  50% { box-shadow: 0 0 60px rgba(124, 58, 237, 0.6); }
}

.animate-fade-in { animation: fadeIn 0.5s ease; }
.animate-fade-in-up { animation: fadeInUp 0.5s ease; }
.animate-fade-in-down { animation: fadeInDown 0.5s ease; }
.animate-scale-in { animation: scaleIn 0.3s ease; }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-glow { animation: glow 3s ease-in-out infinite; }

/* Animation Delays */
.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; }

/* ============================================
   GLAS