:root {
    --spc-bg: #020617;
    --spc-primary: #1d4ed8;
    --spc-primary-soft: #3b82f6;
    --spc-text-main: #e5e7eb;
    --spc-text-muted: #9ca3af;
    --spc-card-bg: #020617;
    --spc-border-subtle: #1f2937;
    --spc-radius-lg: 18px;
    --spc-radius-pill: 999px;
    --spc-shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.8);
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html,
  body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #0b1120, var(--spc-bg) 60%, var(--spc-bg));
    color: var(--spc-text-main);
  }
  
  body {
    min-height: 100vh;
  }
  
  /* Layout */
  
  .container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.25rem;
  }
  
  /* Header */
  
  .spc-app-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(16px);
    background: rgba(2, 6, 23, 0.92);
    border-bottom: 1px solid rgba(15, 23, 42, 0.9);
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.75);
  }
  
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0.25rem;
  }
  
  .brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.8rem;
    color: inherit;
  }
  
  .logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: contain;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: radial-gradient(circle at top, #1d4ed8, #020617);
  }
  
  .brand-text {
    display: flex;
    flex-direction: column;
  }
  
  .brand-name {
    font-size: 0.98rem;
    font-weight: 600;
  }
  
  .brand-sub {
    font-size: 0.78rem;
    color: var(--spc-text-muted);
  }
  
  .links {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .links a {
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--spc-text-muted);
    padding: 0.35rem 0.3rem;
    transition: color 0.15s ease, transform 0.15s ease;
  }
  
  .links a:hover {
    color: #f9fafb;
    transform: translateY(-1px);
  }
  
  /* Hero */
  
  .app-hero {
    padding: 3.2rem 0 2.4rem;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 2.3rem;
    align-items: center;
  }
  
  .hero-text h1 {
    font-size: clamp(2rem, 3vw, 2.6rem);
    margin: 0.3rem 0 0.8rem;
    line-height: 1.2;
  }
  
  .hero-text .accent {
    display: block;
    color: #bfdbfe;
  }
  
  .hero-text .lead {
    font-size: 0.95rem;
    color: var(--spc-text-muted);
    max-width: 30rem;
    margin-bottom: 1.4rem;
  }
  
  .eyebrow {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #93c5fd;
    margin-bottom: 0.2rem;
  }
  
  /* Status */
  
  .status-row {
    margin-bottom: 1.2rem;
  }
  
  .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--spc-radius-pill);
    border: 1px solid rgba(59, 130, 246, 0.7);
    background: rgba(15, 23, 42, 0.93);
    font-size: 0.8rem;
  }
  
  .dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
  }
  
  .dot.building {
    background-color: #facc15;
  }
  
  .status-label {
    white-space: nowrap;
  }
  
  .tiny-note {
    font-size: 0.78rem;
    color: var(--spc-text-muted);
    margin-top: 0.45rem;
  }
  
  /* Progress */
  
  .progress {
    margin: 0.4rem 0 1.3rem;
  }
  
  .progress-head {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--spc-text-muted);
    margin-bottom: 0.3rem;
  }
  
  .progress-track {
    width: 100%;
    height: 7px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.85);
    overflow: hidden;
    border: 1px solid rgba(51, 65, 85, 0.9);
  }
  
  .progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #1d4ed8, #3b82f6);
    transition: width 0.6s ease-out;
  }
  
  /* Buttons */
  
  .cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.4rem;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.3rem;
    border-radius: var(--spc-radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition:
      transform 0.14s ease,
      box-shadow 0.14s ease,
      background 0.14s ease,
      border-color 0.14s ease;
  }
  
  .btn.solid {
    background: linear-gradient(135deg, var(--spc-primary), var(--spc-primary-soft));
    color: #f9fafb;
    box-shadow: 0 16px 40px rgba(37, 99, 235, 0.45);
  }
  
  .btn.solid:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 45px rgba(30, 64, 175, 0.7);
  }
  
  .btn.outline {
    border-color: rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.96);
    color: var(--spc-text-main);
  }
  
  .btn.outline:hover {
    border-color: rgba(191, 219, 254, 0.85);
  }
  
  /* Notify box */
  
  .notify-box {
    margin-top: 0.4rem;
    padding: 0.9rem 1rem;
    border-radius: var(--spc-radius-lg);
    border: 1px dashed rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.9);
    font-size: 0.85rem;
    max-width: 30rem;
  }
  
  .notify-title {
    margin: 0 0 0.3rem;
    font-weight: 600;
  }
  
  .notify-text {
    margin: 0;
    color: var(--spc-text-muted);
  }
  
  /* App preview image card */
  
  .hero-panel {
    display: flex;
    justify-content: center;
  }
  
  .app-preview-card {
    width: 280px;
    border-radius: 26px;
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: radial-gradient(circle at top, rgba(37, 99, 235, 0.22), rgba(15, 23, 42, 0.98));
    box-shadow: var(--spc-shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
  }
  
  .app-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
  }
  
  .app-tag {
    border-radius: 999px;
    padding: 0.2rem 0.65rem;
    border: 1px solid rgba(148, 163, 184, 0.85);
    background: rgba(15, 23, 42, 0.96);
    color: #e5e7eb;
  }
  
  .app-tag.secondary {
    opacity: 0.85;
  }
  
  .app-preview-body {
    border-radius: 22px;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(31, 41, 55, 0.9);
    padding: 0.6rem;
    overflow: hidden;
  }
  
  .app-preview-image {
    display: block;
    width: 100%;
    border-radius: 20px;
    object-fit: cover;
  }
  
  .app-preview-footer {
    font-size: 0.78rem;
    color: var(--spc-text-muted);
    border-top: 1px dashed rgba(55, 65, 81, 0.85);
    padding-top: 0.5rem;
  }
  
  .app-footer-title {
    margin: 0 0 0.2rem;
    font-weight: 600;
    color: var(--spc-text-main);
  }
  
  .app-footer-text {
    margin: 0;
  }
  
  /* Footer */
  
  .footer {
    padding: 1.2rem 0 1.6rem;
    border-top: 1px solid rgba(15, 23, 42, 0.95);
    background: rgba(2, 6, 23, 0.96);
  }
  
  .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--spc-text-muted);
  }
  
  /* Reveal animation */
  
  .reveal {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.45s ease-out, transform 0.45s ease-out;
  }
  
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  .reveal.delay-1 {
    transition-delay: 0.08s;
  }
  
  .reveal.delay-2 {
    transition-delay: 0.16s;
  }
  
  .reveal.delay-3 {
    transition-delay: 0.22s;
  }
  
  /* Responsive */
  
  @media (max-width: 991.98px) {
    .hero-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .hero-text {
      text-align: center;
    }
  
    .hero-text .lead,
    .notify-box {
      margin-left: auto;
      margin-right: auto;
    }
  
    .cta-row {
      justify-content: center;
    }
  
    .footer-inner {
      justify-content: center;
    }
  }
  
  @media (max-width: 639.98px) {
    .footer-inner {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
  }