@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 {
  --quantum-violet: #6D28D9;
  --quantum-violet-dark: #4C1D95;
  --cyber-teal: #14E8C4;
  --cyber-teal-dark: #0AB89A;
  --deep-space: #0B0E1F;
  --deep-space-light: #131834;
  --nebula-pink: #FF3D8A;
  --ion-blue: #38BDF8;
  --star-white: #F5F3FF;
  --gray-mist: #A5ADCB;
  --border-glow: rgba(109, 40, 217, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--deep-space);
  background-color: #FFFFFF;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--deep-space);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--quantum-violet), var(--cyber-teal));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyber-teal);
}

/* Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: var(--deep-space);
  border-bottom: 1px solid var(--border-glow);
  box-shadow: 0 4px 20px rgba(109, 40, 217, 0.15);
  transition: all 0.3s ease;
}

.site-header .logo-text {
  background: linear-gradient(90deg, var(--cyber-teal), var(--quantum-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: 0.5px;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyber-teal), var(--nebula-pink));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--star-white);
}

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

.nav-link.active {
  color: var(--cyber-teal);
}

/* Mobile Menu */
.mobile-menu {
  background-color: var(--deep-space-light);
  border-top: 1px solid var(--border-glow);
}

.mobile-menu a {
  color: var(--gray-mist);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mobile-menu a:hover {
  color: var(--cyber-teal);
  background-color: rgba(109, 40, 217, 0.08);
}

.mobile-menu-toggle {
  color: var(--star-white);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--quantum-violet), var(--nebula-pink));
  color: #FFFFFF;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(109, 40, 217, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(20, 232, 196, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--cyber-teal);
  padding: 0.7rem 1.7rem;
  border-radius: 9999px;
  font-weight: 600;
  border: 2px solid var(--cyber-teal);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--cyber-teal);
  color: var(--deep-space);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--star-white);
  padding: 0.7rem 1.7rem;
  border-radius: 9999px;
  font-weight: 600;
  border: 2px solid rgba(245, 243, 255, 0.4);
  transition: all 0.25s ease;
}

.btn-outline-light:hover {
  border-color: var(--star-white);
  background-color: rgba(245, 243, 255, 0.08);
}

/* Cards */
.card-tech {
  background-color: #FFFFFF;
  border: 1px solid #EDEBFB;
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card-tech::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--quantum-violet), var(--cyber-teal), var(--nebula-pink));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-tech:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(109, 40, 217, 0.12);
  border-color: var(--cyber-teal);
}

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

.card-dark {
  background-color: var(--deep-space-light);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 2rem;
  color: var(--star-white);
}

.card-dark p {
  color: var(--gray-mist);
}

/* Icon Circles */
.icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--quantum-violet), var(--ion-blue));
  color: #FFFFFF;
  font-size: 1.5rem;
  box-shadow: 0 8px 16px rgba(56, 189, 248, 0.25);
}

/* Forms */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid #E5E1F8;
  border-radius: 10px;
  background-color: #FAFAFF;
  color: var(--deep-space);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--cyber-teal);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(20, 232, 196, 0.15);
}

.form-label {
  font-weight: 600;
  color: var(--quantum-violet-dark);
  margin-bottom: 0.4rem;
  display: block;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #A9A3C9;
}

/* Accordion */
.accordion-item {
  border: 1px solid #EDEBFB;
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-header {
  cursor: pointer;
  padding: 1.2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #FAFAFF;
  font-weight: 600;
  color: var(--deep-space);
  transition: background-color 0.25s ease;
}

.accordion-header:hover {
  background-color: #F1EDFC;
}

.accordion-header i {
  color: var(--quantum-violet);
  transition: transform 0.3s ease;
}

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

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.2rem;
  color: #4B5065;
  line-height: 1.7;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--deep-space);
  color: var(--star-white);
  padding: 1.25rem 1.5rem;
  z-index: 1000;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.3);
  border-top: 1px solid var(--border-glow);
}

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

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

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

.cookie-banner a:hover {
  color: #6FF5DD;
}

.cookie-btn-accept {
  background: linear-gradient(135deg, var(--cyber-teal), var(--ion-blue));
  color: var(--deep-space);
  font-weight: 700;
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  transition: transform 0.2s ease;
  border: none;
  cursor: pointer;
}

.cookie-btn-accept:hover {
  transform: scale(1.05);
}

.cookie-btn-decline {
  background: transparent;
  color: var(--gray-mist);
  padding: 0.6rem 1.5rem;
  border: 1px solid rgba(245,243,255,0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cookie-btn-decline:hover {
  border-color: var(--star-white);
  color: var(--star-white);
}

/* Hero Section */
.hero-gradient {
  background: radial-gradient(circle at 20% 20%, rgba(109, 40, 217, 0.25), transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(20, 232, 196, 0.2), transparent 50%),
              var(--deep-space);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.text-gradient-tech {
  background: linear-gradient(90deg, var(--cyber-teal), var(--nebula-pink) 60%, var(--ion-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Loading Spinner */
.spinner-tech {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(109, 40, 217, 0.15);
  border-top-color: var(--cyber-teal);
  border-radius: 50%;
  animation: spin-tech 0.8s linear infinite;
}

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

/* Fade / Reveal Animations */
.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

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

.pulse-dot {
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(20, 232, 196, 0.5); }
  50% { box-shadow: 0 0 0 10px rgba(20, 232, 196, 0); }
}

/* Badge */
.badge-popular {
  background: linear-gradient(135deg, var(--nebula-pink), var(--quantum-violet));
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Stats / Numbers */
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--cyber-teal), var(--ion-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Backgrounds */
.section-dark {
  background-color: var(--deep-space);
  color: var(--star-white);
}

.section-dark h2,
.section-dark h3 {
  color: #FFFFFF;
}

.section-dark p {
  color: var(--gray-mist);
}

.section-light-tint {
  background-color: #F8F7FF;
}

/* Divider */
.divider-glow {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyber-teal), var(--quantum-violet), transparent);
  border: none;
}

/* Footer */
.site-footer {
  background-color: var(--deep-space);
  color: var(--gray-mist);
  border-top: 1px solid var(--border-glow);
}

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

.site-footer a {
  color: var(--gray-mist);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--cyber-teal);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255,255,255,0.06);
  color: var(--star-white);
  transition: all 0.25s ease;
}

.social-icon:hover {
  background: linear-gradient(135deg, var(--quantum-violet), var(--cyber-teal));
  transform: translateY(-3px);
}

/* Utility */
.shadow-glow-violet {
  box-shadow: 0 10px 40px rgba(109, 40, 217, 0.25);
}

.shadow-glow-teal {
  box-shadow: 0 10px 40px rgba(20, 232, 196, 0.2);
}

.border-gradient {
  border: 2px solid transparent;
  background-image: linear-gradient(#fff, #fff), linear-gradient(90deg, var(--quantum-violet), var(--cyber-teal));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

a {
  transition: color 0.2s ease;
}

img {
  max-width: 100%;
  height: auto;
}

.transition-smooth {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}