@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 {
  --korvian-void: #0A0E1F;
  --korvian-deep: #121736;
  --korvian-violet: #6C4FF6;
  --korvian-violet-light: #9B85FF;
  --korvian-mint: #00E5A0;
  --korvian-plasma: #FF3EA5;
  --korvian-amber: #FFB84D;
  --korvian-fog: #F4F3FF;
  --korvian-gray: #8A8FB5;
  --korvian-border: rgba(108, 79, 246, 0.25);
  --korvian-glow: 0 0 24px rgba(108, 79, 246, 0.45);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.4s 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;
  background-color: var(--korvian-fog);
  color: #1A1A2E;
  overflow-x: hidden;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--korvian-void);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--korvian-violet), var(--korvian-mint));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--korvian-plasma);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: var(--korvian-void);
  border-bottom: 1px solid var(--korvian-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
  transition: var(--transition-med);
}

.logo-glow {
  filter: drop-shadow(0 0 8px rgba(108, 79, 246, 0.6));
  transition: var(--transition-fast);
}
.logo-glow:hover {
  filter: drop-shadow(0 0 14px rgba(0, 229, 160, 0.7));
}

.nav-link {
  position: relative;
  color: #C7C9E8;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--korvian-mint), var(--korvian-violet));
  transition: width var(--transition-med);
}
.nav-link:hover {
  color: #fff;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: #fff;
}

.mobile-menu-toggle {
  color: #fff;
  font-size: 1.75rem;
  cursor: pointer;
}

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

.mobile-menu a {
  color: #E4E4F8;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu a:hover {
  color: var(--korvian-mint);
  background: rgba(108, 79, 246, 0.08);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--korvian-violet), var(--korvian-plasma));
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  box-shadow: 0 6px 20px rgba(108, 79, 246, 0.4);
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(255, 62, 165, 0.45);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--korvian-mint);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  border: 2px solid var(--korvian-mint);
  transition: var(--transition-fast);
  cursor: pointer;
}
.btn-secondary:hover {
  background: var(--korvian-mint);
  color: var(--korvian-void);
  box-shadow: 0 0 20px rgba(0, 229, 160, 0.5);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1.6rem;
  border-radius: 0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
}
.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* ===== CARDS ===== */
.tech-card {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid rgba(108, 79, 246, 0.12);
  box-shadow: 0 8px 24px rgba(20, 20, 60, 0.06);
  transition: var(--transition-med);
  position: relative;
  overflow: hidden;
}
.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--korvian-violet), var(--korvian-mint), var(--korvian-plasma));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-med);
}
.tech-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(108, 79, 246, 0.18);
}
.tech-card:hover::before {
  transform: scaleX(1);
}

.card-dark {
  background: var(--korvian-deep);
  color: #E4E4F8;
  border: 1px solid var(--korvian-border);
  border-radius: 0.75rem;
  transition: var(--transition-med);
}
.card-dark:hover {
  box-shadow: var(--korvian-glow);
  border-color: var(--korvian-violet-light);
}

/* ===== ACCORDION ===== */
.accordion-item {
  border: 1px solid rgba(108, 79, 246, 0.15);
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: #fff;
}
.accordion-header {
  cursor: pointer;
  padding: 1.1rem 1.5rem;
  font-weight: 600;
  color: #1A1A2E;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-fast);
}
.accordion-header:hover {
  background: rgba(108, 79, 246, 0.05);
}
.accordion-header .ri-arrow-down-s-line {
  transition: transform var(--transition-med);
  color: var(--korvian-violet);
}
.accordion-header.active .ri-arrow-down-s-line {
  transform: rotate(180deg);
}
.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: #4A4A6A;
  line-height: 1.7;
}

/* ===== FORMS ===== */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid #E3E1FA;
  border-radius: 0.5rem;
  background: #FBFAFF;
  color: #1A1A2E;
  transition: var(--transition-fast);
  font-size: 0.95rem;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--korvian-violet);
  box-shadow: 0 0 0 4px rgba(108, 79, 246, 0.15);
  background: #fff;
}
.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: #2D2D50;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}
.form-group {
  margin-bottom: 1.4rem;
  position: relative;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: #A9A9C9;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--korvian-void);
  border-top: 2px solid var(--korvian-violet);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
  padding: 1.25rem 1.5rem;
}
.cookie-banner h3 {
  color: #fff;
}
.cookie-banner p {
  color: #C7C9E8;
}
.cookie-banner a {
  color: var(--korvian-mint);
  text-decoration: underline;
}
.cookie-banner a:hover {
  color: var(--korvian-plasma);
}
.cookie-accept-btn {
  background: linear-gradient(135deg, var(--korvian-violet), var(--korvian-mint));
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  border-radius: 0.5rem;
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}
.cookie-accept-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 229, 160, 0.5);
}

/* ===== HERO / GRADIENTS ===== */
.hero-gradient {
  background: radial-gradient(circle at 20% 20%, rgba(108, 79, 246, 0.35), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 229, 160, 0.25), transparent 50%),
    var(--korvian-void);
}

.gradient-text {
  background: linear-gradient(90deg, var(--korvian-violet-light), var(--korvian-mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.grid-overlay {
  background-image: linear-gradient(rgba(108, 79, 246, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 79, 246, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ===== SECTION DIVIDERS ===== */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(108, 79, 246, 0.1);
  color: var(--korvian-violet);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  border: 1px solid rgba(108, 79, 246, 0.25);
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(108, 79, 246, 0.2);
  border-top-color: var(--korvian-violet);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== FADE / ANIMATIONS ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animate-fade-up {
  animation: fadeUp 0.7s ease forwards;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 10px rgba(108, 79, 246, 0.4);
  }
  50% {
    box-shadow: 0 0 28px rgba(0, 229, 160, 0.6);
  }
}
.pulse-glow {
  animation: pulse-glow 2.4s ease-in-out infinite;
}

/* ===== STAT / NUMBER BLOCKS ===== */
.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--korvian-violet);
  line-height: 1;
}
.stat-label {
  color: var(--korvian-gray);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--korvian-void);
  color: #C7C9E8;
  border-top: 1px solid var(--korvian-border);
}
.site-footer h4 {
  color: #fff;
}
.site-footer a {
  color: #C7C9E8;
  transition: color var(--transition-fast);
}
.site-footer a:hover {
  color: var(--korvian-mint);
}
.footer-social-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(108, 79, 246, 0.15);
  color: #fff;
  transition: var(--transition-fast);
}
.footer-social-icon:hover {
  background: var(--korvian-violet);
  transform: translateY(-3px);
}

/* ===== MISC UTILITIES ===== */
.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--korvian-violet), transparent);
}

.badge-popular {
  background: linear-gradient(135deg, var(--korvian-amber), var(--korvian-plasma));
  color: #1A1A2E;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.3rem 0.9rem;
  border-radius: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .stat-number {
    font-size: 2rem;
  }
}