@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 {
  --vertex-void: #0A0E1F;
  --vertex-deep: #121736;
  --vertex-primary: #6C2BD9;
  --vertex-primary-light: #9B5DE5;
  --vertex-cyan: #00E5D4;
  --vertex-amber: #FF9F1C;
  --vertex-ink: #E8EAF6;
  --vertex-mist: #A3AED0;
  --vertex-surface: #F7F7FB;
  --vertex-border: #DDE1F0;
  --gradient-main: linear-gradient(135deg, #6C2BD9 0%, #00E5D4 100%);
  --gradient-dark: linear-gradient(160deg, #0A0E1F 0%, #1A1044 60%, #121736 100%);
  --shadow-glow: 0 8px 32px rgba(108, 43, 217, 0.25);
  --shadow-cyan-glow: 0 0 24px rgba(0, 229, 212, 0.35);
  --transition-smooth: all 0.35s 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: var(--vertex-surface);
  color: #1A1D2E;
  line-height: 1.7;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--vertex-void);
}
::-webkit-scrollbar-thumb {
  background: var(--gradient-main);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--vertex-cyan);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #0A0E1F;
  border-bottom: 1px solid rgba(108, 43, 217, 0.3);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.site-header .logo-text {
  color: var(--vertex-ink);
  letter-spacing: 0.5px;
}

.nav-link {
  position: relative;
  color: var(--vertex-mist);
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.nav-link:hover {
  color: var(--vertex-cyan);
}

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

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

/* ===== Mobile Menu ===== */
.mobile-menu-toggle {
  color: var(--vertex-ink);
  font-size: 1.75rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mobile-menu-toggle:hover {
  color: var(--vertex-cyan);
}

.mobile-menu {
  background: var(--vertex-deep);
  border-top: 1px solid rgba(0, 229, 212, 0.2);
}

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

.mobile-menu a:hover {
  color: var(--vertex-cyan);
  background: rgba(108, 43, 217, 0.15);
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--gradient-main);
  color: #FFFFFF;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-glow);
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(108, 43, 217, 0.45), var(--shadow-cyan-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--vertex-cyan);
  font-weight: 600;
  padding: 0.8rem 1.9rem;
  border-radius: 0.5rem;
  border: 2px solid var(--vertex-cyan);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--vertex-cyan);
  color: #0A0E1F;
  transform: translateY(-3px);
}

.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--vertex-amber);
  color: #1A1D2E;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 0.5rem;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
}

.btn-amber:hover {
  background: #FFB347;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 159, 28, 0.4);
}

/* ===== Cards ===== */
.vertex-card {
  background: #FFFFFF;
  border: 1px solid var(--vertex-border);
  border-radius: 1rem;
  padding: 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.vertex-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-main);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: top;
}

.vertex-card:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-6px);
}

.vertex-card:hover::before {
  transform: scaleY(1);
}

.vertex-card-dark {
  background: var(--gradient-dark);
  border: 1px solid rgba(0, 229, 212, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  color: var(--vertex-ink);
  transition: var(--transition-smooth);
}

.vertex-card-dark h3,
.vertex-card-dark h4 {
  color: #FFFFFF;
}

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

.vertex-card-dark:hover {
  box-shadow: var(--shadow-cyan-glow);
  border-color: var(--vertex-cyan);
}

.icon-box {
  width: 60px;
  height: 60px;
  border-radius: 0.75rem;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.6rem;
  box-shadow: var(--shadow-glow);
}

/* ===== Accordion ===== */
.accordion-item {
  border: 1px solid var(--vertex-border);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
  background: #FFFFFF;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: #1A1D2E;
  transition: var(--transition-smooth);
}

.accordion-header:hover {
  background: rgba(108, 43, 217, 0.06);
}

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

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

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: #4A4E69;
}

/* ===== Forms ===== */
.vertex-form {
  background: #FFFFFF;
  border-radius: 1rem;
  border: 1px solid var(--vertex-border);
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(10, 14, 31, 0.08);
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  font-weight: 600;
  color: #1A1D2E;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid var(--vertex-border);
  border-radius: 0.6rem;
  background: var(--vertex-surface);
  color: #1A1D2E;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--vertex-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(108, 43, 217, 0.12);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: #9CA3AF;
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #0A0E1F;
  border-top: 2px solid var(--vertex-primary);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
}

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

.cookie-banner p {
  color: #C5C9E0;
}

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

.cookie-banner a:hover {
  color: var(--vertex-amber);
}

/* ===== Hero / Section Utilities ===== */
.hero-dark {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.hero-dark::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 229, 212, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-dark::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(108, 43, 217, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(108, 43, 217, 0.1);
  color: var(--vertex-primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  border: 1px solid rgba(108, 43, 217, 0.3);
}

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeUp {
  animation: fadeUp 0.7s ease forwards;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 229, 212, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(0, 229, 212, 0); }
}

.pulse-glow {
  animation: pulseGlow 2.5s infinite;
}

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

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(108, 43, 217, 0.2);
  border-top-color: var(--vertex-primary);
  border-radius: 50%;
  animation: spin-loader 0.8s linear infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(5deg); }
}

.float-shape {
  animation: floatShape 6s ease-in-out infinite;
}

/* ===== Stats ===== */
.stat-box {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--vertex-mist);
  font-weight: 500;
  font-size: 0.95rem;
}

/* ===== Footer ===== */
.site-footer {
  background: #0A0E1F;
  color: var(--vertex-mist);
  border-top: 1px solid rgba(108, 43, 217, 0.25);
}

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

.site-footer a {
  color: var(--vertex-mist);
  transition: var(--transition-smooth);
}

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

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(108, 43, 217, 0.15);
  color: var(--vertex-cyan);
  transition: var(--transition-smooth);
}

.social-icon:hover {
  background: var(--gradient-main);
  color: #FFFFFF;
  transform: translateY(-4px);
}

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

/* ===== Responsive Tweaks ===== */
@media (max-width: 768px) {
  .vertex-form {
    padding: 1.5rem;
  }
  .stat-number {
    font-size: 1.9rem;
  }
}