/* ============================================================
   XUI Auditor — Landing Page Styles
   Dark / Cybersecurity Theme
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2035;
  --bg-card-hover: #1f2847;
  --border-color: #1e293b;
  --border-glow: #00d4ff33;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00d4ff;
  --accent-indigo: #6366f1;
  --accent-green: #22c55e;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;

  --gradient-hero: linear-gradient(135deg, #0a0e17 0%, #111827 50%, #0f172a 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-cyan), var(--accent-indigo));
  --gradient-card: linear-gradient(145deg, #1a203588, #11182788);

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);

  --container-max: 1200px;
  --section-padding: 100px 0;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #33dfff;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Utility --- */
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-border {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-glow);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 50px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.badge--green {
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
  border-color: rgba(34, 197, 94, 0.2);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: var(--font-main);
}

.btn--primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn--secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
  color: var(--text-primary);
}

.btn--large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s ease;
  background: transparent;
}

.navbar--scrolled {
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.navbar__logo:hover {
  color: var(--text-primary);
}

.navbar__logo svg {
  width: 32px;
  height: 32px;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--accent-cyan);
}

.navbar__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.navbar__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

/* Animated grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* Glow orbs */
.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

.hero__badge {
  margin-bottom: 20px;
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.hero__stats {
  display: flex;
  gap: 40px;
}

.hero__stat {
  text-align: left;
}

.hero__stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero__visual {
  position: relative;
}

.hero__terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-color);
}

.hero__terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero__terminal-dot--red { background: var(--accent-red); }
.hero__terminal-dot--yellow { background: var(--accent-orange); }
.hero__terminal-dot--green { background: var(--accent-green); }

.hero__terminal-title {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.hero__terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.hero__terminal-body .line-green { color: var(--accent-green); }
.hero__terminal-body .line-cyan { color: var(--accent-cyan); }
.hero__terminal-body .line-red { color: var(--accent-red); }
.hero__terminal-body .line-yellow { color: var(--accent-orange); }
.hero__terminal-body .line-muted { color: var(--text-muted); }

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header__badge {
  margin-bottom: 16px;
}

.section-header__title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-header__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  color: var(--accent-cyan);
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

/* Connector line */
.steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(16.66% + 24px);
  right: calc(16.66% + 24px);
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
}

.step__number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--gradient-accent);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  position: relative;
  z-index: 1;
}

.step__title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 280px;
  margin: 0 auto;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  padding: 40px;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow), 0 0 60px rgba(0, 212, 255, 0.08);
}

.pricing-card--featured::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 50px;
}

.pricing-card__name {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-card__price {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card__period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-card__features li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card__features li .check {
  color: var(--accent-green);
}

.pricing-card__features li .cross {
  color: var(--text-muted);
  opacity: 0.5;
}

.pricing-card__features li.disabled {
  color: var(--text-muted);
  opacity: 0.5;
  text-decoration: line-through;
}

.pricing-card__action {
  width: 100%;
}

.pricing-card__action .btn {
  width: 100%;
  justify-content: center;
}

/* PayPal button container */
#paypal-button-container {
  margin-top: 16px;
  min-height: 50px;
}

/* ============================================================
   DOWNLOAD
   ============================================================ */
.download {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.download__box {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 48px;
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
}

.download__icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-cyan);
}

.download__icon svg {
  width: 36px;
  height: 36px;
}

.download__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.download__desc {
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.7;
}

.download__info {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.download__info span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq__item.active {
  border-color: rgba(0, 212, 255, 0.3);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-main);
  text-align: left;
}

.faq__question:hover {
  color: var(--accent-cyan);
}

.faq__question svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq__item.active .faq__question svg {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq__answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.footer__left svg {
  width: 24px;
  height: 24px;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================================
   LICENSE KEY MODAL
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 90%;
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.modal__close:hover {
  color: var(--text-primary);
}

.modal__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  color: var(--accent-green);
}

.modal__icon svg {
  width: 32px;
  height: 32px;
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.modal__desc {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.modal__key-box {
  background: var(--bg-primary);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  word-break: break-all;
  position: relative;
}

.modal__copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--accent-cyan);
  padding: 6px 12px;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 500;
  transition: all 0.2s;
}

.modal__copy-btn:hover {
  background: rgba(0, 212, 255, 0.2);
}

.modal__instructions {
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 20px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
}

.modal__instructions strong {
  color: var(--text-primary);
}

/* Email input in pricing card */
.email-input-group {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
}

.email-input-group input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color 0.2s;
}

.email-input-group input:focus {
  border-color: var(--accent-cyan);
}

.email-input-group input::placeholder {
  color: var(--text-muted);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__visual {
    max-width: 600px;
    margin: 0 auto;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 64px 0;
  }

  .navbar__links,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  /* Mobile menu */
  .navbar__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
  }

  .hero__title {
    font-size: 2rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero__stat {
    text-align: center;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .steps::before {
    display: none;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .footer .container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section-header__title {
    font-size: 1.8rem;
  }

  .download__info {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__title {
    font-size: 1.6rem;
  }

  .section-header__title {
    font-size: 1.5rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .pricing-card {
    padding: 24px;
  }

  .pricing-card__price {
    font-size: 2.2rem;
  }

  .modal {
    padding: 24px;
  }

  .hero__terminal-body {
    font-size: 0.7rem;
    padding: 12px;
  }
}

/* ============================================================
   LOADING / SPINNER
   ============================================================ */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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