@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 {
  --ac-void: #0a0e1a;
  --ac-deep: #12172b;
  --ac-surface: #1a2140;
  --ac-primary: #6c5ce7;
  --ac-primary-dark: #4834d4;
  --ac-electric: #00e6d8;
  --ac-magenta: #ff2e93;
  --ac-amber: #ffb84d;
  --ac-text-light: #e8ebf7;
  --ac-text-muted: #9aa3c4;
  --ac-border: #2a3358;
  --shadow-glow: 0 0 24px rgba(108, 92, 231, 0.35);
  --shadow-electric: 0 0 20px rgba(0, 230, 216, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: #f7f8fc;
  color: var(--ac-deep);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--ac-void);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--ac-primary), var(--ac-electric));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ac-magenta);
}

/* Header */
.site-header {
  background-color: var(--ac-void);
  border-bottom: 1px solid var(--ac-border);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.site-header .logo-text {
  background: linear-gradient(90deg, var(--ac-electric), var(--ac-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav-link {
  position: relative;
  color: var(--ac-text-muted);
  transition: color 0.25s ease;
  font-weight: 500;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--ac-electric), var(--ac-magenta));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--ac-text-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--ac-electric);
}

.mobile-menu {
  background-color: var(--ac-void);
  border-top: 1px solid var(--ac-border);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--ac-primary), var(--ac-primary-dark));
  color: #ffffff;
  padding: 0.75rem 1.75rem;
  border-radius: 0.6rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 32px rgba(108, 92, 231, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--ac-electric);
  padding: 0.75rem 1.75rem;
  border-radius: 0.6rem;
  font-weight: 600;
  border: 2px solid var(--ac-electric);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: var(--ac-electric);
  color: var(--ac-void);
  box-shadow: var(--shadow-electric);
}

.btn-outline-light {
  border: 2px solid var(--ac-text-light);
  color: var(--ac-text-light);
  background: transparent;
  padding: 0.7rem 1.6rem;
  border-radius: 0.6rem;
  font-weight: 600;
  transition: all 0.25s ease;
}

.btn-outline-light:hover {
  background: var(--ac-text-light);
  color: var(--ac-void);
}

/* Cards */
.card {
  background-color: #ffffff;
  border: 1px solid #e6e8f5;
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(108, 92, 231, 0.18);
}

.card-dark {
  background: linear-gradient(160deg, var(--ac-surface), var(--ac-deep));
  border: 1px solid var(--ac-border);
  border-radius: 1rem;
  padding: 2rem;
  color: var(--ac-text-light);
}

.card-dark p {
  color: var(--ac-text-muted);
}

.icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(0, 230, 216, 0.15));
  color: var(--ac-primary);
  font-size: 1.5rem;
}

/* Forms */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  border: 1.5px solid #d7dbf0;
  border-radius: 0.6rem;
  padding: 0.75rem 1rem;
  background-color: #fbfbfe;
  color: var(--ac-deep);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--ac-primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.form-label {
  font-weight: 600;
  color: var(--ac-deep);
  margin-bottom: 0.4rem;
  display: block;
}

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

/* Accordion */
.accordion-item {
  border: 1px solid #e6e8f5;
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  background-color: #ffffff;
  font-weight: 600;
  color: var(--ac-deep);
  transition: background-color 0.25s ease;
}

.accordion-header:hover {
  background-color: #f2f2fc;
}

.accordion-header .icon-toggle {
  transition: transform 0.3s ease;
  color: var(--ac-primary);
}

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

.accordion-content {
  display: none;
  padding: 0 1.4rem 1.25rem;
  color: #4b5170;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--ac-void);
  border-top: 1px solid var(--ac-border);
  color: var(--ac-text-light);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -6px 30px rgba(0, 0, 0, 0.4);
}

.cookie-banner h3 {
  color: #ffffff;
}

.cookie-banner p {
  color: var(--ac-text-muted);
}

.cookie-banner a {
  color: #7fe9e0;
  text-decoration: underline;
}

.cookie-banner .btn-primary {
  padding: 0.6rem 1.4rem;
}

/* Hero / Section backgrounds */
.hero-gradient {
  background: radial-gradient(circle at 20% 20%, rgba(108, 92, 231, 0.35), transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(0, 230, 216, 0.25), transparent 45%),
    var(--ac-void);
  color: var(--ac-text-light);
}

.section-dark {
  background-color: var(--ac-deep);
  color: var(--ac-text-light);
}

.section-dark p {
  color: var(--ac-text-muted);
}

.grid-lines {
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Loading spinner */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(108, 92, 231, 0.2);
  border-top-color: var(--ac-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

/* Fade-in animation */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pulse glow for badges/tags */
.tag-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(0, 230, 216, 0.12);
  color: var(--ac-electric);
  border: 1px solid rgba(0, 230, 216, 0.4);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Section divider */
.divider-gradient {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--ac-primary), var(--ac-electric), transparent);
}

/* Footer */
.site-footer {
  background-color: var(--ac-void);
  color: var(--ac-text-muted);
  border-top: 1px solid var(--ac-border);
}

.site-footer h3,
.site-footer h4 {
  color: #ffffff;
}

.site-footer a {
  color: var(--ac-text-muted);
  transition: color 0.25s ease;
}

.site-footer a:hover {
  color: var(--ac-electric);
}

.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--ac-surface);
  color: var(--ac-text-light);
  border: 1px solid var(--ac-border);
  transition: all 0.25s ease;
}

.social-icon:hover {
  background-color: var(--ac-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Utility text-gradient for headings */
.text-gradient {
  background: linear-gradient(90deg, var(--ac-primary), var(--ac-electric));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .card,
  .card-dark {
    padding: 1.5rem;
  }
  .cookie-banner {
    padding: 1rem;
  }
}