@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 {
  --noventra-void: #0B0620;
  --noventra-deep: #150A33;
  --noventra-violet: #7B2FF7;
  --noventra-violet-light: #A366FF;
  --noventra-cyan: #00E5FF;
  --noventra-magenta: #FF2FB5;
  --noventra-amber: #FFB800;
  --noventra-ice: #F4F1FF;
  --noventra-gray: #9A93B8;
  --noventra-border: #2A1F52;
  --shadow-glow: 0 0 30px rgba(123, 47, 247, 0.35);
  --shadow-cyan-glow: 0 0 25px rgba(0, 229, 255, 0.3);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-mid: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--noventra-void);
  background-color: #FFFFFF;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--noventra-ice);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--noventra-violet), var(--noventra-cyan));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--noventra-magenta), var(--noventra-violet));
}

/* Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--noventra-border);
  box-shadow: 0 2px 20px rgba(11, 6, 32, 0.06);
  transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(123, 47, 247, 0.12);
}

.logo-mark {
  transition: transform var(--transition-fast);
}
.logo-mark:hover {
  transform: rotate(-6deg) scale(1.05);
}

/* Navigation */
.nav-link {
  position: relative;
  font-weight: 600;
  color: var(--noventra-void);
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--noventra-violet), var(--noventra-cyan));
  border-radius: 2px;
  transition: width var(--transition-mid);
}

.nav-link:hover {
  color: var(--noventra-violet);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--noventra-violet);
}

/* Mobile Menu */
.mobile-menu-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  transition: background var(--transition-fast);
}
.mobile-menu-toggle:hover {
  background: var(--noventra-ice);
}

.mobile-menu {
  background-color: #FFFFFF;
  border-top: 1px solid var(--noventra-border);
}

.mobile-menu a {
  color: var(--noventra-void);
  font-weight: 600;
  border-bottom: 1px solid #EFEBFF;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--noventra-violet), var(--noventra-magenta));
  color: #FFFFFF;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 40px rgba(123, 47, 247, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--noventra-violet);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  border: 2px solid var(--noventra-violet);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--noventra-violet);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: #FFFFFF;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.btn-outline-light:hover {
  background: #FFFFFF;
  color: var(--noventra-void);
  border-color: #FFFFFF;
}

.btn-cyan {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--noventra-cyan);
  color: var(--noventra-void);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-cyan-glow);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}
.btn-cyan:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(0, 229, 255, 0.5);
}

/* Hero Section */
.hero-dark {
  background: radial-gradient(circle at 20% 20%, var(--noventra-deep), var(--noventra-void) 70%);
  position: relative;
  overflow: hidden;
}

.hero-dark::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123, 47, 247, 0.35), transparent 70%);
  top: -150px;
  right: -100px;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-dark::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.25), transparent 70%);
  bottom: -100px;
  left: -80px;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-grid-bg {
  background-image:
    linear-gradient(rgba(123, 47, 247, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 47, 247, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Cards */
.tech-card {
  background: #FFFFFF;
  border: 1px solid var(--noventra-border);
  border-radius: 20px;
  padding: 2rem;
  transition: all var(--transition-mid);
  position: relative;
  overflow: hidden;
}

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

.tech-card:hover {
  box-shadow: 0 15px 40px rgba(123, 47, 247, 0.18);
  transform: translateY(-8px);
  border-color: var(--noventra-violet-light);
}

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

.icon-badge {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(123, 47, 247, 0.12), rgba(0, 229, 255, 0.12));
  color: var(--noventra-violet);
  font-size: 1.75rem;
  transition: all var(--transition-fast);
}

.tech-card:hover .icon-badge {
  background: linear-gradient(135deg, var(--noventra-violet), var(--noventra-cyan));
  color: #FFFFFF;
  transform: rotate(8deg) scale(1.1);
}

/* Dark Card Variant */
.tech-card-dark {
  background: var(--noventra-deep);
  border: 1px solid var(--noventra-border);
  border-radius: 20px;
  padding: 2rem;
  color: #F4F1FF;
  transition: all var(--transition-mid);
}
.tech-card-dark:hover {
  border-color: var(--noventra-cyan);
  box-shadow: var(--shadow-cyan-glow);
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--noventra-border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 1rem;
  transition: border-color var(--transition-fast);
}

.accordion-item:hover {
  border-color: var(--noventra-violet-light);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--noventra-void);
  background: #FFFFFF;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--noventra-ice);
}

.accordion-header .accordion-icon {
  transition: transform var(--transition-mid);
  color: var(--noventra-violet);
}

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

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.5rem;
  color: #4A4363;
  line-height: 1.7;
}

/* Forms */
.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid var(--noventra-border);
  border-radius: 12px;
  background: #FCFBFF;
  color: var(--noventra-void);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--noventra-violet);
  box-shadow: 0 0 0 4px rgba(123, 47, 247, 0.12);
  background: #FFFFFF;
}

.form-input::placeholder {
  color: var(--noventra-gray);
}

textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

.form-label {
  display: block;
  font-weight: 700;
  color: var(--noventra-void);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.form-card {
  background: #FFFFFF;
  border-radius: 24px;
  border: 1px solid var(--noventra-border);
  box-shadow: 0 20px 60px rgba(123, 47, 247, 0.1);
  padding: 2.5rem;
}

/* Loading Spinner */
.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--noventra-border);
  border-top-color: var(--noventra-violet);
  border-right-color: var(--noventra-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Fade & Slide Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeInUp 0.7s ease forwards;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(123, 47, 247, 0.3); }
  50% { box-shadow: 0 0 40px rgba(0, 229, 255, 0.4); }
}

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

/* Section backgrounds */
.section-dark {
  background: linear-gradient(160deg, var(--noventra-void), var(--noventra-deep));
  color: #F4F1FF;
}

.section-ice {
  background-color: var(--noventra-ice);
}

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

/* Badges */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  background: rgba(123, 47, 247, 0.1);
  color: var(--noventra-violet);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tech-badge-cyan {
  background: rgba(0, 229, 255, 0.12);
  color: #0087A0;
}

.badge-popular {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: linear-gradient(135deg, var(--noventra-amber), var(--noventra-magenta));
  color: #1A0A2E;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  text-transform: uppercase;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--noventra-void);
  border-top: 2px solid var(--noventra-violet);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
  padding: 1.25rem;
}

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

.cookie-banner p,
.cookie-banner .cookie-text {
  color: #C9C2E8;
}

.cookie-banner a {
  color: #7FE0FF;
  text-decoration: underline;
}

.cookie-banner a:hover {
  color: #A9EEFF;
}

/* Timeline */
.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  border-left: 3px solid var(--noventra-border);
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--noventra-violet);
  box-shadow: 0 0 0 4px rgba(123, 47, 247, 0.2);
}

.timeline-item:last-child {
  border-left-color: transparent;
}

/* Stats */
.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--noventra-violet), var(--noventra-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* Footer */
.site-footer {
  background: var(--noventra-void);
  color: #C9C2E8;
}

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

.site-footer a {
  color: #C9C2E8;
  transition: color var(--transition-fast);
}

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

.footer-divider {
  border-color: var(--noventra-border);
}

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

.social-icon:hover {
  background: linear-gradient(135deg, var(--noventra-violet), var(--noventra-cyan));
  transform: translateY(-4px);
}

/* Utility */
.divider-gradient {
  height: 3px;
  width: 80px;
  background: linear-gradient(90deg, var(--noventra-violet), var(--noventra-cyan));
  border-radius: 2px;
}

.section-title {
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .hero-dark::before,
  .hero-dark::after {
    width: 250px;
    height: 250px;
  }
  .stat-number {
    font-size: 2.25rem;
  }
  .form-card {
    padding: 1.5rem;
  }
}