@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 {
  --alab-void: #0B0B1E;
  --alab-deep: #150F2E;
  --alab-primary: #6D28D9;
  --alab-primary-light: #8B5CF6;
  --alab-magenta: #D946EF;
  --alab-cyan: #22D3EE;
  --alab-amber: #FBBF24;
  --alab-gray-100: #F4F2FB;
  --alab-gray-300: #C9C4DD;
  --alab-gray-600: #6B6584;
  --alab-gray-800: #241C3F;
  --alab-border: rgba(139, 92, 246, 0.18);
  --alab-shadow: 0 10px 30px rgba(109, 40, 217, 0.18);
  --alab-shadow-lg: 0 20px 50px rgba(11, 11, 30, 0.35);
  --alab-radius: 14px;
  --alab-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;
  background-color: #ffffff;
  color: var(--alab-gray-800);
  -webkit-font-smoothing: antialiased;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 11px;
}
::-webkit-scrollbar-track {
  background: var(--alab-gray-100);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--alab-primary), var(--alab-magenta));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--alab-magenta), var(--alab-cyan));
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: #0B0B1E;
  border-bottom: 1px solid var(--alab-border);
  box-shadow: var(--alab-shadow);
}

.site-header .logo-text {
  background: linear-gradient(90deg, var(--alab-cyan), var(--alab-magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-link {
  position: relative;
  color: var(--alab-gray-300);
  font-weight: 500;
  transition: var(--alab-transition);
}

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

.nav-link:hover {
  color: #ffffff;
}

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

.nav-link.active {
  color: #ffffff;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  background-color: #0B0B1E;
  border-top: 1px solid var(--alab-border);
}

.mobile-menu a {
  color: var(--alab-gray-300);
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.mobile-menu a:hover {
  color: var(--alab-cyan);
  background-color: rgba(139, 92, 246, 0.06);
}

.mobile-menu-toggle {
  color: #ffffff;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--alab-primary), var(--alab-magenta));
  color: #ffffff;
  font-weight: 600;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: none;
  box-shadow: 0 8px 24px rgba(217, 70, 239, 0.3);
  transition: var(--alab-transition);
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(217, 70, 239, 0.42);
  filter: brightness(1.08);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--alab-cyan);
  font-weight: 600;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 2px solid var(--alab-cyan);
  transition: var(--alab-transition);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--alab-cyan);
  color: var(--alab-void);
  transform: translateY(-3px);
}

.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--alab-amber);
  color: #1a1200;
  font-weight: 700;
  padding: 0.85rem 1.9rem;
  border-radius: 10px;
  border: none;
  box-shadow: 0 8px 22px rgba(251, 191, 36, 0.35);
  transition: var(--alab-transition);
  cursor: pointer;
}

.btn-amber:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 28px rgba(251, 191, 36, 0.5);
}

/* ===== Cards ===== */
.tech-card {
  background-color: #ffffff;
  border: 1px solid #EDEAF7;
  border-radius: var(--alab-radius);
  padding: 2rem;
  transition: var(--alab-transition);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--alab-primary), var(--alab-magenta), var(--alab-cyan));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tech-card:hover {
  box-shadow: var(--alab-shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}

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

.tech-card-dark {
  background-color: var(--alab-deep);
  border: 1px solid var(--alab-border);
  border-radius: var(--alab-radius);
  padding: 2rem;
  color: var(--alab-gray-300);
  transition: var(--alab-transition);
}

.tech-card-dark h3,
.tech-card-dark h4 {
  color: #ffffff;
}

.tech-card-dark:hover {
  border-color: var(--alab-magenta);
  box-shadow: 0 0 40px rgba(217, 70, 239, 0.15);
}

/* ===== Accordion ===== */
.accordion-item {
  border: 1px solid #EDEAF7;
  border-radius: 12px;
  margin-bottom: 0.9rem;
  overflow: hidden;
  transition: var(--alab-transition);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  background-color: #FAF9FE;
  font-weight: 600;
  color: var(--alab-gray-800);
  transition: background-color 0.25s ease;
}

.accordion-header:hover {
  background-color: #F1ECFB;
}

.accordion-header .ri-arrow-down-s-line {
  transition: transform 0.3s ease;
  color: var(--alab-primary);
}

.accordion-header.active .ri-arrow-down-s-line {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.4rem;
  color: var(--alab-gray-600);
  line-height: 1.7;
}

/* ===== Forms ===== */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid #E6E1F5;
  border-radius: 10px;
  background-color: #FBFAFF;
  color: var(--alab-gray-800);
  transition: var(--alab-transition);
  font-size: 0.95rem;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--alab-magenta);
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgba(217, 70, 239, 0.12);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--alab-gray-800);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.form-card {
  background-color: #ffffff;
  border-radius: 18px;
  padding: 2.5rem;
  box-shadow: var(--alab-shadow-lg);
  border: 1px solid #EDEAF7;
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #0B0B1E;
  border-top: 1px solid rgba(139, 92, 246, 0.3);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.35);
  padding: 1.25rem 1.5rem;
}

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

.cookie-banner p {
  color: var(--alab-gray-300);
}

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

.cookie-banner a:hover {
  color: var(--alab-magenta);
}

/* ===== Hero / Gradient Sections ===== */
.hero-gradient {
  background: radial-gradient(circle at 20% 20%, rgba(217, 70, 239, 0.25), transparent 45%),
              radial-gradient(circle at 80% 60%, rgba(34, 211, 238, 0.2), transparent 45%),
              var(--alab-void);
  position: relative;
  overflow: hidden;
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(139, 92, 246, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.glow-text {
  text-shadow: 0 0 30px rgba(217, 70, 239, 0.5);
}

/* ===== Loading Spinner ===== */
.alab-spinner {
  width: 42px;
  height: 42px;
  border: 4px solid rgba(139, 92, 246, 0.2);
  border-top-color: var(--alab-magenta);
  border-radius: 50%;
  animation: alab-spin 0.9s linear infinite;
}

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

/* ===== Fade / Reveal Animations ===== */
.fade-in-up {
  animation: fadeInUp 0.7s 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(217, 70, 239, 0.5); }
  50% { box-shadow: 0 0 0 10px rgba(217, 70, 239, 0); }
}

/* ===== Badges ===== */
.badge-popular {
  background: linear-gradient(135deg, var(--alab-amber), #F59E0B);
  color: #1a1200;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.badge-tech {
  background-color: rgba(34, 211, 238, 0.12);
  color: #0891B2;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: 8px;
  border: 1px solid rgba(34, 211, 238, 0.3);
}

/* ===== Section Dividers ===== */
.section-divider {
  height: 3px;
  width: 80px;
  background: linear-gradient(90deg, var(--alab-primary), var(--alab-magenta));
  border-radius: 3px;
}

/* ===== Footer ===== */
.site-footer {
  background-color: var(--alab-void);
  color: var(--alab-gray-300);
}

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

.site-footer a {
  color: var(--alab-gray-300);
  transition: color 0.25s ease;
}

.site-footer a:hover {
  color: var(--alab-cyan);
}

.footer-social {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--alab-border);
  color: var(--alab-gray-300);
  transition: var(--alab-transition);
}

.footer-social:hover {
  background: linear-gradient(135deg, var(--alab-primary), var(--alab-magenta));
  color: #ffffff;
  transform: translateY(-3px);
}

/* ===== Utility ===== */
.text-gradient {
  background: linear-gradient(90deg, var(--alab-primary), var(--alab-magenta), var(--alab-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.border-glow {
  box-shadow: 0 0 0 1px var(--alab-border), var(--alab-shadow);
}

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

@media (max-width: 768px) {
  .form-card {
    padding: 1.5rem;
  }
}