@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 {
  --vst-void: #0b0e1a;
  --vst-deep: #131a2e;
  --vst-primary: #6d28d9;
  --vst-primary-light: #8b5cf6;
  --vst-electric: #00e5b0;
  --vst-electric-dark: #00b389;
  --vst-amber: #ffb020;
  --vst-ink: #1a1f36;
  --vst-mist: #f4f5fb;
  --vst-cloud: #e8eaf6;
  --vst-text-soft: #9ca3c4;
  --vst-border: rgba(139, 92, 246, 0.18);
  --vst-shadow: rgba(11, 14, 26, 0.35);
  --vst-radius: 14px;
  --vst-radius-lg: 22px;
  --vst-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(--vst-ink);
  background-color: var(--vst-mist);
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--vst-void);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--vst-primary-light), var(--vst-electric));
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--vst-electric);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--vst-void);
  border-bottom: 1px solid var(--vst-border);
  box-shadow: 0 4px 24px var(--vst-shadow);
  transition: var(--vst-transition);
}

.site-header .logo-text {
  background: linear-gradient(120deg, var(--vst-electric), var(--vst-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav-link {
  position: relative;
  color: #cbd3ee;
  font-weight: 500;
  transition: var(--vst-transition);
}

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

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

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

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

/* ---------- Mobile Nav ---------- */
.mobile-menu-toggle {
  color: #ffffff;
  font-size: 1.6rem;
  cursor: pointer;
}

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

.mobile-menu a {
  color: #cbd3ee;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--vst-electric);
  background-color: rgba(139, 92, 246, 0.08);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: var(--vst-transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(120deg, var(--vst-primary), var(--vst-primary-light));
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(109, 40, 217, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(109, 40, 217, 0.45);
  filter: brightness(1.08);
}

.btn-accent {
  background: linear-gradient(120deg, var(--vst-electric), var(--vst-electric-dark));
  color: var(--vst-void);
  box-shadow: 0 8px 24px rgba(0, 229, 176, 0.35);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 229, 176, 0.45);
}

.btn-outline {
  background: transparent;
  border-color: var(--vst-primary-light);
  color: var(--vst-primary-light);
}

.btn-outline:hover {
  background: var(--vst-primary-light);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.btn-outline-light:hover {
  background: #ffffff;
  color: var(--vst-void);
}

/* ---------- Forms ---------- */
.form-input,
.form-textarea,
.form-select,
input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: var(--vst-radius);
  border: 2px solid #e2e4f3;
  background-color: #ffffff;
  color: var(--vst-ink);
  transition: var(--vst-transition);
  font-size: 0.95rem;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--vst-primary-light);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

label {
  font-weight: 600;
  color: var(--vst-ink);
  margin-bottom: 0.4rem;
  display: block;
}

.form-card {
  background: #ffffff;
  border-radius: var(--vst-radius-lg);
  border: 1px solid var(--vst-border);
  box-shadow: 0 20px 50px rgba(19, 26, 46, 0.08);
  padding: 2.5rem;
}

/* ---------- Cards ---------- */
.card {
  background: #ffffff;
  border-radius: var(--vst-radius-lg);
  border: 1px solid #edeefb;
  box-shadow: 0 10px 30px rgba(19, 26, 46, 0.06);
  transition: var(--vst-transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(109, 40, 217, 0.15);
  border-color: var(--vst-primary-light);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--vst-primary), var(--vst-electric));
  color: #ffffff;
  font-size: 1.6rem;
}

.dark-card {
  background: var(--vst-deep);
  border: 1px solid var(--vst-border);
  color: #e8eaf6;
}

.dark-card p {
  color: var(--vst-text-soft);
}

/* ---------- Accordion ---------- */
.accordion-item {
  border: 1px solid #e6e7f4;
  border-radius: var(--vst-radius);
  overflow: hidden;
  margin-bottom: 1rem;
  background: #ffffff;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--vst-ink);
  transition: var(--vst-transition);
}

.accordion-header:hover {
  color: var(--vst-primary);
}

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

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

.accordion-content {
  display: none;
  padding: 0 1.4rem 1.2rem;
  color: #565d80;
  line-height: 1.7;
}

/* ---------- Sections ---------- */
.section-dark {
  background: linear-gradient(160deg, var(--vst-void), var(--vst-deep));
  color: #e8eaf6;
}

.section-dark p {
  color: var(--vst-text-soft);
}

.hero-grid-bg {
  background-image:
    linear-gradient(rgba(11, 14, 26, 0.92), rgba(19, 26, 46, 0.92)),
    repeating-linear-gradient(0deg, rgba(139, 92, 246, 0.06) 0px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, rgba(139, 92, 246, 0.06) 0px, transparent 1px, transparent 40px);
}

.gradient-text {
  background: linear-gradient(120deg, var(--vst-electric), var(--vst-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(0, 229, 176, 0.12);
  color: var(--vst-electric-dark);
  border: 1px solid rgba(0, 229, 176, 0.3);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.12);
  color: var(--vst-primary);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* ---------- Loading Spinner ---------- */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(139, 92, 246, 0.2);
  border-top-color: var(--vst-electric);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ---------- Fade / Animations ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.7s ease forwards;
}

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

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--vst-electric);
  box-shadow: 0 0 0 rgba(0, 229, 176, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 229, 176, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(0, 229, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 229, 176, 0); }
}

/* ---------- Cookie Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--vst-void);
  border-top: 1px solid var(--vst-border);
  box-shadow: 0 -8px 30px var(--vst-shadow);
  padding: 1.25rem 1.5rem;
}

.cookie-banner h3,
.cookie-banner .cookie-title {
  color: #ffffff;
  font-weight: 700;
}

.cookie-banner p,
.cookie-banner .cookie-text {
  color: #b6bce0;
}

.cookie-banner a {
  color: #93c5fd;
  text-decoration: underline;
}

.cookie-banner a:hover {
  color: #c4b5fd;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--vst-void);
  color: #b6bce0;
  border-top: 1px solid var(--vst-border);
}

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

.site-footer a {
  color: #b6bce0;
  transition: var(--vst-transition);
}

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

.footer-social {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.12);
  color: #cbd3ee;
  transition: var(--vst-transition);
}

.footer-social:hover {
  background: var(--vst-electric);
  color: var(--vst-void);
  transform: translateY(-3px);
}

/* ---------- Divider / Misc ---------- */
.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--vst-primary-light), transparent);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(120deg, var(--vst-electric), var(--vst-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

  .stat-number {
    font-size: 1.9rem;
  }
}