@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 {
  --dm-void: #0B0E1A;
  --dm-deep: #131A2E;
  --dm-surface: #1B2340;
  --dm-primary: #7C3AED;
  --dm-primary-light: #A78BFA;
  --dm-accent: #00E5C7;
  --dm-accent-hot: #FF3D9A;
  --dm-text-light: #E8EAF6;
  --dm-text-muted: #9BA3C4;
  --dm-border: #2A335A;
  --dm-gradient: linear-gradient(135deg, #7C3AED 0%, #00E5C7 100%);
  --dm-gradient-hot: linear-gradient(135deg, #FF3D9A 0%, #7C3AED 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--dm-text-light);
  background-color: #ffffff;
}

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

::-webkit-scrollbar-track {
  background: var(--dm-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--dm-gradient);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dm-accent);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: var(--dm-void);
  border-bottom: 1px solid var(--dm-border);
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.15);
}

.site-header .logo-text {
  background: var(--dm-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.nav-link {
  position: relative;
  color: var(--dm-text-muted);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--dm-gradient);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--dm-text-light);
}

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

/* Mobile menu (do NOT add display:none here) */
.mobile-menu {
  background-color: var(--dm-deep);
  border-top: 1px solid var(--dm-border);
}

.mobile-menu a {
  color: var(--dm-text-light);
  border-bottom: 1px solid var(--dm-border);
}

.mobile-menu-toggle {
  color: var(--dm-text-light);
  font-size: 1.75rem;
  cursor: pointer;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--dm-gradient);
  color: #ffffff;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  border: none;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 229, 199, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--dm-accent);
  font-weight: 600;
  padding: 0.8rem 1.9rem;
  border-radius: 9999px;
  border: 2px solid var(--dm-accent);
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--dm-accent);
  color: var(--dm-void);
  box-shadow: 0 8px 24px rgba(0, 229, 199, 0.35);
}

.btn-hot {
  background: var(--dm-gradient-hot);
  color: #ffffff;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  border: none;
  box-shadow: 0 8px 24px rgba(255, 61, 154, 0.4);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-hot:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 61, 154, 0.5);
}

/* Cards */
.tech-card {
  background: var(--dm-surface);
  border: 1px solid var(--dm-border);
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: var(--dm-primary);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.25);
}

.tech-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 0.85rem;
  background: var(--dm-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.glow-border {
  position: relative;
  border: 1px solid var(--dm-border);
  border-radius: 1rem;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 1rem;
  background: var(--dm-gradient);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glow-border:hover::before {
  opacity: 1;
}

/* Accordion / FAQ */
.accordion-item {
  border: 1px solid var(--dm-border);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--dm-surface);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  color: var(--dm-text-light);
  font-weight: 600;
  transition: background 0.3s ease;
}

.accordion-header:hover {
  background: rgba(124, 58, 237, 0.08);
}

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

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

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--dm-text-muted);
  line-height: 1.7;
}

/* Forms */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--dm-surface);
  border: 1.5px solid var(--dm-border);
  border-radius: 0.65rem;
  padding: 0.85rem 1.1rem;
  color: var(--dm-text-light);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--dm-text-muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--dm-primary);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.2);
}

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--dm-text-light);
  font-size: 0.9rem;
}

.form-card {
  background: var(--dm-deep);
  border: 1px solid var(--dm-border);
  border-radius: 1.25rem;
  padding: 2.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--dm-void);
  border-top: 2px solid var(--dm-primary);
  color: var(--dm-text-light);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.4);
}

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

.cookie-banner p {
  color: var(--dm-text-muted);
}

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

.cookie-banner .btn-accept {
  background: var(--dm-gradient);
  color: #ffffff;
  font-weight: 600;
  padding: 0.65rem 1.75rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease;
}

.cookie-banner .btn-accept:hover {
  transform: translateY(-2px);
}

/* Loading spinner */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--dm-border);
  border-top-color: var(--dm-accent);
  border-radius: 50%;
  animation: dm-spin 0.9s linear infinite;
}

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

/* Hero blob animation */
@keyframes dm-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(8deg); }
}

.floating-blob {
  animation: dm-float 6s ease-in-out infinite;
}

@keyframes dm-pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 229, 199, 0.4); }
  50% { box-shadow: 0 0 50px rgba(124, 58, 237, 0.6); }
}

.pulse-glow {
  animation: dm-pulse-glow 3s ease-in-out infinite;
}

/* Fade / slide-in utilities */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section backgrounds */
.section-dark {
  background: var(--dm-void);
  color: var(--dm-text-light);
}

.section-gradient {
  background: linear-gradient(135deg, var(--dm-void) 0%, var(--dm-deep) 100%);
}

.badge-popular {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--dm-gradient-hot);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.9rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Footer */
.site-footer {
  background: var(--dm-void);
  color: var(--dm-text-muted);
  border-top: 1px solid var(--dm-border);
}

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

.site-footer a {
  color: var(--dm-text-muted);
  transition: color 0.3s ease;
}

.site-footer a:hover {
  color: var(--dm-accent);
}

/* Divider */
.gradient-divider {
  height: 3px;
  background: var(--dm-gradient);
  border-radius: 3px;
}

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