@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 {
  --cr-void: #0B0E1A;
  --cr-deep: #141A33;
  --cr-primary: #4C3BCF;
  --cr-primary-light: #7B68EE;
  --cr-accent: #FF5F6D;
  --cr-accent-light: #FF8A93;
  --cr-lime: #C4F135;
  --cr-lime-dark: #9BC221;
  --cr-cyan: #2FE6D9;
  --cr-gray-100: #F4F5FA;
  --cr-gray-200: #E4E6F0;
  --cr-gray-400: #9BA0C0;
  --cr-gray-700: #3D4266;
  --cr-text-dark: #171A2E;
  --cr-text-light: #F4F5FA;
  --cr-radius: 14px;
  --cr-shadow: 0 10px 30px rgba(76, 59, 207, 0.15);
  --cr-shadow-lg: 0 20px 50px rgba(11, 14, 26, 0.25);
  --cr-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--cr-text-dark);
  background-color: #FFFFFF;
  line-height: 1.65;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--cr-gray-100);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cr-primary), var(--cr-accent));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--cr-primary-light), var(--cr-accent-light));
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--cr-gray-200);
  box-shadow: 0 2px 20px rgba(11, 14, 26, 0.06);
  transition: var(--cr-transition);
}

.site-header .logo-mark {
  filter: drop-shadow(0 2px 6px rgba(76, 59, 207, 0.25));
}

.nav-link {
  position: relative;
  color: var(--cr-text-dark);
  font-weight: 500;
  padding: 8px 4px;
  transition: var(--cr-transition);
}

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

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

.nav-link.active {
  color: var(--cr-primary);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  background-color: #FFFFFF;
  border-top: 1px solid var(--cr-gray-200);
  box-shadow: var(--cr-shadow-lg);
}

.mobile-menu-toggle {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--cr-gray-100);
  color: var(--cr-primary);
  transition: var(--cr-transition);
}

.mobile-menu-toggle:hover {
  background: var(--cr-primary);
  color: #FFFFFF;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  background: linear-gradient(135deg, var(--cr-primary), var(--cr-primary-light));
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  box-shadow: 0 8px 24px rgba(76, 59, 207, 0.35);
  transition: var(--cr-transition);
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(76, 59, 207, 0.45);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  background: var(--cr-lime);
  color: var(--cr-text-dark);
  font-weight: 700;
  border-radius: 10px;
  border: none;
  box-shadow: 0 8px 24px rgba(196, 241, 53, 0.35);
  transition: var(--cr-transition);
  cursor: pointer;
}

.btn-accent:hover {
  background: var(--cr-lime-dark);
  transform: translateY(-3px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--cr-primary);
  font-weight: 600;
  border: 2px solid var(--cr-primary);
  border-radius: 10px;
  transition: var(--cr-transition);
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--cr-primary);
  color: #FFFFFF;
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: #FFFFFF;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 10px;
  transition: var(--cr-transition);
  cursor: pointer;
}

.btn-outline-dark:hover {
  background: #FFFFFF;
  color: var(--cr-primary);
  border-color: #FFFFFF;
}

/* ===== Hero / Dark Sections ===== */
.hero-dark {
  background: linear-gradient(135deg, var(--cr-void) 0%, var(--cr-deep) 60%, var(--cr-primary) 130%);
  position: relative;
  overflow: hidden;
}

.hero-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(196, 241, 53, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(255, 95, 109, 0.12) 0%, transparent 45%);
  pointer-events: none;
}

.circuit-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* ===== Cards ===== */
.card {
  background: #FFFFFF;
  border-radius: var(--cr-radius);
  border: 1px solid var(--cr-gray-200);
  padding: 32px;
  transition: var(--cr-transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--cr-shadow-lg);
  border-color: var(--cr-primary-light);
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--cr-primary), var(--cr-accent));
  color: #FFFFFF;
  font-size: 26px;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(76, 59, 207, 0.3);
}

.card-dark {
  background: var(--cr-deep);
  border-radius: var(--cr-radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 32px;
  color: var(--cr-text-light);
  transition: var(--cr-transition);
}

.card-dark:hover {
  border-color: var(--cr-lime);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

/* Static informational cards - no fake interactivity */
.card-static {
  cursor: default;
}

.badge-popular {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--cr-lime);
  color: var(--cr-text-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Accordion ===== */
.accordion-item {
  border: 1px solid var(--cr-gray-200);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  background: #FFFFFF;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--cr-text-dark);
  transition: var(--cr-transition);
}

.accordion-header:hover {
  background: var(--cr-gray-100);
}

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

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

.accordion-content {
  display: none;
  padding: 0 24px 20px;
  color: var(--cr-gray-700);
}

/* ===== Forms ===== */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 13px 18px;
  border: 2px solid var(--cr-gray-200);
  border-radius: 10px;
  background: var(--cr-gray-100);
  color: var(--cr-text-dark);
  transition: var(--cr-transition);
  font-size: 15px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--cr-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(76, 59, 207, 0.12);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--cr-text-dark);
  margin-bottom: 8px;
  font-size: 14px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--cr-gray-400);
}

.form-card {
  background: #FFFFFF;
  border-radius: 18px;
  border: 1px solid var(--cr-gray-200);
  box-shadow: var(--cr-shadow);
  padding: 40px;
  position: relative;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 40px;
  right: 40px;
  height: 4px;
  background: linear-gradient(90deg, var(--cr-primary), var(--cr-accent), var(--cr-lime));
  border-radius: 0 0 6px 6px;
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--cr-void);
  border-top: 3px solid var(--cr-lime);
  padding: 22px;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.3);
}

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

.cookie-banner p {
  color: var(--cr-gray-200);
}

.cookie-banner a {
  color: var(--cr-cyan);
  text-decoration: underline;
}

.cookie-banner a:hover {
  color: var(--cr-lime);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--cr-void);
  color: var(--cr-gray-200);
}

.site-footer h4 {
  color: #FFFFFF;
}

.site-footer a {
  color: var(--cr-gray-400);
  transition: var(--cr-transition);
}

.site-footer a:hover {
  color: var(--cr-lime);
}

.footer-social {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: #FFFFFF;
  transition: var(--cr-transition);
}

.footer-social:hover {
  background: var(--cr-primary);
  transform: translateY(-3px);
}

/* ===== Loading Spinner ===== */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--cr-gray-200);
  border-top-color: var(--cr-primary);
  border-radius: 50%;
  animation: cr-spin 0.8s linear infinite;
}

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

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 241, 53, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(196, 241, 53, 0); }
}

.pulse-glow {
  animation: pulseGlow 2.5s infinite;
}

/* ===== Section Utility ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(76, 59, 207, 0.08);
  color: var(--cr-primary);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-tag-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(196, 241, 53, 0.12);
  color: var(--cr-lime);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--cr-primary), var(--cr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cr-primary-light), transparent);
  margin: 60px 0;
}

/* ===== Stats ===== */
.stat-box {
  text-align: center;
  padding: 24px;
}

.stat-box .stat-number {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cr-primary), var(--cr-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Blog / Content Cards ===== */
.blog-card {
  background: #FFFFFF;
  border-radius: var(--cr-radius);
  overflow: hidden;
  border: 1px solid var(--cr-gray-200);
  transition: var(--cr-transition);
}

.blog-card:hover {
  box-shadow: var(--cr-shadow-lg);
  transform: translateY(-5px);
}

.blog-card .blog-cat {
  display: inline-block;
  padding: 4px 12px;
  background: var(--cr-lime);
  color: var(--cr-text-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .form-card {
    padding: 26px;
  }
  .card, .card-dark {
    padding: 24px;
  }
  .stat-box .stat-number {
    font-size: 32px;
  }
}