:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0c;
  --bg-tertiary: #141518;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #86868b;
  --border: rgba(255, 255, 255, 0.1);
  --blue: #0066cc;
  --blue-hover: #0071e3;
  --green: #34c759;
  --orange: #ff9f0a;
  --red: #ff453a;
  --brand-accent: #64d2ff;

  --container: 1080px;
  --radius-card: 24px;
  --radius-pill: 999px;
  --radius-btn: 999px;
  --section-space: clamp(6rem, 10vw, 9rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a {
  color: inherit;
  transition: color 0.2s ease;
}

.container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
  position: relative;
}

.alternate-bg {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.text-center {
  text-align: center;
  margin-inline: auto;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 4rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
  background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-heading p {
  margin: 1.2rem 0 0;
  color: var(--text-secondary);
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  letter-spacing: -0.01em;
}

.glass-panel {
  background: rgba(30, 30, 32, 0.4);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
}

.skip-link {
  position: absolute;
  left: -100vw;
  top: 1rem;
  z-index: 100;
  background: #fff;
  color: #000;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
}

.skip-link:focus-visible {
  left: 1rem;
}

.topbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  transition: background 0.3s ease;
}

.topbar-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  object-fit: cover;
}

.brand-text {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: #fff;
}

.topnav {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
}

.topnav a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.topnav a:hover {
  color: #fff;
}

.topbar-cta {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
}

.lang-btn:hover {
  color: #fff;
}

.lang-btn.is-active {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.hero {
  padding-top: calc(var(--section-space) + 64px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
}

.hero-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 600px;
  background: radial-gradient(ellipse at top, rgba(10, 132, 255, 0.15), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4rem;
}

.hero-copy {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  margin-bottom: 1.5rem;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 700;
  background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  margin: 1.5rem 0 0;
  max-width: 600px;
  color: var(--text-secondary);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.hero-note {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.inline-link {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--blue-hover);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
}

.inline-link:hover {
  text-decoration: underline;
}

.hero-visual {
  width: 100%;
  max-width: 900px;
  perspective: 1000px;
}

.window-shell {
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.window-toolbar {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-inline: 16px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-toolbar span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.window-toolbar .close { background: #ff5f56; }
.window-toolbar .minimize { background: #ffbd2e; }
.window-toolbar .maximize { background: #27c93f; }

.window-body {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.2);
}

.floating-window {
  animation: float 6s ease-in-out infinite;
  transform-style: preserve-3d;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(10, 132, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: perspective(1000px) rotateX(2deg) rotateY(-1deg);
}

@keyframes float {
  0% { transform: perspective(1000px) translateY(0px) rotateX(2deg) rotateY(-1deg); }
  50% { transform: perspective(1000px) translateY(-12px) rotateX(-1deg) rotateY(1.5deg); }
  100% { transform: perspective(1000px) translateY(0px) rotateX(2deg) rotateY(-1deg); }
}

.dynamic-ui {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, rgba(30, 30, 35, 0.6), rgba(0, 0, 0, 0.2));
}

.dynamic-ui::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  animation: shine 8s infinite;
  pointer-events: none;
}

@keyframes shine {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}

.dynamic-content {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.usb-icon-wrapper {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.2), rgba(10, 132, 255, 0.05));
  border: 1px solid rgba(10, 132, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-accent);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 30px rgba(10, 132, 255, 0.2);
  animation: pulse-glow 3s infinite alternate;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 15px rgba(10, 132, 255, 0.1); }
  100% { box-shadow: 0 0 35px rgba(10, 132, 255, 0.35); }
}

.dynamic-title {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

.dynamic-subtitle {
  margin: 0.5rem 0 2.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.progress-container {
  width: 100%;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-fill {
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--blue), var(--brand-accent));
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.trust-strip {
  padding-block: 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.pills-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, background 0.3s ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.04);
}

.bento-card.large {
  grid-column: span 2;
}

.bento-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.bento-card h3 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.bento-card p {
  margin: 0.75rem 0 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 10%, var(--border) 90%, transparent);
  z-index: 0;
}

.timeline-item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.timeline-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 0 8px var(--bg-secondary);
}

.timeline-content h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
}

.timeline-content p {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.screens-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.screen-card {
  margin: 0;
  border-radius: var(--radius-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.screen-card .window-body {
  min-height: 240px;
}

.screen-card figcaption {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.faq .narrow {
  max-width: 800px;
}

.faq-list {
  border-radius: var(--radius-card);
  overflow: hidden;
}

.faq-list details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-list details:last-child {
  border-bottom: none;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 1.5rem 2rem;
  font-size: 1.1rem;
  font-weight: 500;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary .icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.faq-list p {
  margin: 0;
  padding: 0 2rem 1.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.support-box {
  border-radius: var(--radius-card);
  padding: clamp(2.5rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2.5rem;
  background: linear-gradient(145deg, rgba(30, 30, 32, 0.6) 0%, rgba(15, 15, 18, 0.8) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.support-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 0% 0%, rgba(10, 132, 255, 0.1), transparent 50%);
  pointer-events: none;
}

.support-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(10, 132, 255, 0.15);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(10, 132, 255, 0.2);
}

.support-content {
  position: relative;
  z-index: 1;
}

.support-content h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.support-content p {
  margin: 0.5rem 0 0;
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
}

.support-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.worksdem-box {
  border-radius: var(--radius-card);
  padding: clamp(3rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(0, 0, 0, 0.4) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.worksdem-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at 0% 100%, rgba(255, 255, 255, 0.03), transparent 50%);
  pointer-events: none;
}

.worksdem-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.worksdem-logo-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 2rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.worksdem-brand .eyebrow {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.worksdem-brand h3 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

.worksdem-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.worksdem-desc {
  margin: 0 0 2.5rem;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  text-wrap: balance;
}

.worksdem-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  height: 44px;
  padding: 0 1.5rem;
  font-size: 0.95rem;
  white-space: nowrap;
}

.btn-sm {
  height: 32px;
  padding: 0 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  height: 52px;
  padding: 0 1.75rem;
  font-size: 1.05rem;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: #fff;
  transform: scale(1.02);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

.footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
  background: var(--bg-primary);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.footer nav {
  display: inline-flex;
  gap: 1.5rem;
}

.footer nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer nav a:hover {
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .topnav {
    display: none;
  }
  
  .topbar-cta .btn-ghost {
    display: none;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-card.large {
    grid-column: span 2;
  }
  .timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  .timeline::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-glow {
    width: 100vw;
  }

  .bento-grid,
  .screens-gallery,
  .timeline {
    grid-template-columns: 1fr;
  }

  .bento-card.large {
    grid-column: span 1;
  }

  .support-box {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .worksdem-box {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  
  .worksdem-brand, .worksdem-content {
    align-items: center;
  }
  
  .worksdem-actions {
    justify-content: center;
  }
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}

/* Premium Hero Visual Animation */
.premium-animation {
  width: 100%;
  max-width: 800px;
  perspective: 1200px;
  margin: 0 auto;
}

.premium-window {
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: premium-float 8s ease-in-out infinite;
  transform-style: preserve-3d;
  box-shadow: 
    0 40px 80px rgba(0, 0, 0, 0.6), 
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 0 60px rgba(10, 132, 255, 0.2);
  transform: rotateX(4deg) rotateY(-2deg);
  background: rgba(15, 15, 18, 0.7);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}

@keyframes premium-float {
  0%, 100% { transform: translateY(0px) rotateX(4deg) rotateY(-2deg); }
  50% { transform: translateY(-20px) rotateX(-1deg) rotateY(2deg); box-shadow: 0 60px 100px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.1) inset, 0 0 80px rgba(10, 132, 255, 0.3); }
}

.premium-body {
  position: relative;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.15) 0%, transparent 60%);
  animation: pulse-ambient 4s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes pulse-ambient {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.8); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
  opacity: 0.5;
  transform: perspective(500px) rotateX(60deg) translateY(100px) translateZ(-200px);
  animation: grid-move 20s linear infinite;
  pointer-events: none;
}

@keyframes grid-move {
  0% { background-position: center 0; }
  100% { background-position: center 40px; }
}

.data-streams {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.stream {
  position: absolute;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--brand-accent), transparent);
  opacity: 0;
}

.stream-1 { left: 30%; height: 150px; animation: stream-fall 3s linear infinite; animation-delay: 0.5s; }
.stream-2 { left: 50%; height: 200px; animation: stream-fall 2.5s linear infinite; }
.stream-3 { left: 70%; height: 120px; animation: stream-fall 4s linear infinite; animation-delay: 1.2s; }

@keyframes stream-fall {
  0% { top: -200px; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.core-container {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
  z-index: 10;
}

.progress-ring {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
  filter: drop-shadow(0 0 10px rgba(100, 210, 255, 0.5));
}

.ring-bg {
  stroke: rgba(255, 255, 255, 0.05);
}

.ring-fill {
  stroke: url(#ring-gradient);
  stroke-dasharray: 440;
  stroke-dashoffset: 440;
  animation: ring-progress 3s cubic-bezier(0.1, 0.7, 0.1, 1) forwards, ring-pulse 2s linear infinite alternate 3s;
}

@keyframes ring-progress {
  0% { stroke-dashoffset: 440; }
  100% { stroke-dashoffset: 140; /* ~68% */ }
}

@keyframes ring-pulse {
  0% { filter: drop-shadow(0 0 8px rgba(100, 210, 255, 0.4)); }
  100% { filter: drop-shadow(0 0 20px rgba(100, 210, 255, 0.8)); }
}

.premium-usb-icon {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 15px 35px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
  animation: icon-levitate 4s ease-in-out infinite;
}

.premium-usb-icon svg {
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.5));
}

@keyframes icon-levitate {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.icon-pulse {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 2px solid var(--brand-accent);
  opacity: 0;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

.premium-text {
  text-align: center;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gradient-text {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.typewriter-text {
  margin: 0 0 2rem;
  color: var(--brand-accent);
  font-size: 1rem;
  font-weight: 500;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--brand-accent);
  animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
  max-width: 0;
  animation-fill-mode: forwards;
}

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

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: var(--brand-accent) }
}

.premium-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  width: 100%;
  max-width: 320px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.stat-value {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

@media (max-width: 768px) {
  .premium-animation {
    transform: scale(0.9);
  }
}

@media (max-width: 480px) {
  .typewriter-text {
    font-size: 0.85rem;
    white-space: normal;
    border-right: none;
    animation: none;
    max-width: 100%;
  }

  .brand-text {
    display: none;
  }
  
  .topbar-inner {
    gap: 0.5rem;
  }
  
  .topbar-cta {
    gap: 0.5rem;
  }
  
  .btn-sm {
    padding: 0 0.75rem;
    font-size: 0.8rem;
  }
  
  .lang-btn {
    padding: 0.2rem 0.4rem;
  }
}