*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --violet:  #6B21C8;
    --blue:    #2D6AE0;
    --violet2: #9B4DFF;
    --dark:    #0D0D14;
    --mid:     #888899;
    --light:   #f5f5f8;
    --white:   #ffffff;
    --border:  #e8e8ef;
    --grad: linear-gradient(135deg, #6B21C8 0%, #2D6AE0 100%);
    --grad2: linear-gradient(135deg, #9B4DFF 0%, #2D6AE0 60%, #6B21C8 100%);
  }

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

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--white);
    color: var(--dark);
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* ── CURSOR ── */
  body { cursor: none; }
  #bb-cursor {
    position: fixed;
    top: 0; left: 0;
    width: 8px;
    height: 8px;
    background: #6B21C8;
    border-radius: 50%;
    pointer-events: none;
    z-index: 999999;
    margin: 0; padding: 0;
    transform: translate(-50%, -50%);
    transition: width .2s, height .2s, background .2s, border .2s;
  }
  #bb-cursor.big {
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1.5px solid #6B21C8;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0;
    padding: 2rem 3rem;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 100;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
  }
  nav.scrolled { border-bottom-color: var(--border); }

  .logo {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: var(--dark);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.2s;
    display: flex; align-items: center; gap: 0.5rem;
  }
  .logo-bb {
    display: inline-block;
    width: 28px; height: 28px;
    background: var(--grad);
    border-radius: 5px;
    position: relative;
  }
  .logo-bb::before, .logo-bb::after {
    content: '';
    position: absolute;
    background: white;
    border-radius: 50%;
  }
  .logo-bb::before {
    width: 10px; height: 10px;
    top: 5px; left: 5px;
  }
  .logo-bb::after {
    width: 8px; height: 8px;
    bottom: 5px; right: 5px;
  }

  .logo .blast { color: var(--dark); }
  .logo .byte  { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

  .nav-links {
    display: flex; gap: 2.5rem; align-items: center;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.4s;
  }
  nav a.nav-link {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mid);
    text-decoration: none;
    transition: color 0.2s;
  }
  nav a.nav-link:hover { color: var(--violet); }

  .nav-cta {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.6rem 1.4rem;
    background: var(--dark);
    color: var(--white) !important;
    text-decoration: none;
    transition: background 0.2s !important;
    border-radius: 2px;
  }
  .nav-cta:hover { background: var(--violet) !important; color: var(--white) !important; }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 3rem;
    position: relative;
  }

  .hero-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    font-weight: 300;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.3s;
    display: flex; align-items: center; gap: 1rem;
  }
  .hero-label::before {
    content: '';
    display: block;
    width: 32px; height: 1px;
    background: var(--violet);
  }

  .hero-title {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(2.5rem, 5.5vw, 5.5rem);
    font-weight: 600;
    line-height: 1.0;
    letter-spacing: -0.03em;
    max-width: 16ch;
    opacity: 0;
    animation: fadeUp 0.9s ease forwards 0.5s;
  }
  .hero-title em {
    font-style: normal;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-sub {
    margin-top: 2.5rem;
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--mid);
    max-width: 44ch;
    line-height: 1.8;
    opacity: 0;
    animation: fadeUp 0.9s ease forwards 0.7s;
  }

  .hero-cta {
    margin-top: 3.5rem;
    display: flex; gap: 2rem; align-items: center;
    opacity: 0;
    animation: fadeUp 0.9s ease forwards 0.9s;
  }

  .btn-primary {
    display: inline-block;
    padding: 1rem 2.4rem;
    background: var(--grad);
    color: var(--white);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: opacity 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
  }
  .btn-primary:hover { opacity: 0.88; transform: translateY(-2px); }

  .btn-ghost {
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--mid);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.2s, border-color 0.2s;
  }
  .btn-ghost:hover { color: var(--violet); border-color: var(--violet); }

  /* scroll arrow */
  .scroll-arrow {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--mid);
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.4s;
    text-decoration: none;
    transition: color 0.2s;
  }
  .scroll-arrow svg {
    width: 22px; height: 22px;
    animation: scrollBounce 1.8s ease-in-out infinite;
  }
  .scroll-arrow:hover { color: var(--violet); }
  @keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(6px); }
  }

  /* hero deco */
  .hero-deco {
    position: absolute;
    right: 3rem; top: 50%;
    transform: translateY(-50%);
    display: flex; flex-direction: column; align-items: flex-end; gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1.2s ease forwards 1.2s;
    pointer-events: none;
  }
  .hero-deco span {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    color: var(--border);
    letter-spacing: 0.1em;
    writing-mode: vertical-rl;
  }
  .vline {
    width: 1px; height: 130px;
    background: linear-gradient(to bottom, var(--violet), transparent);
    opacity: 0.3;
  }

  /* ── STATS BAR ── */
  .stats-bar {
    padding: 2.5rem 3rem;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    display: flex; gap: 0; align-items: stretch;
    overflow: hidden;
  }
  .stat {
    flex: 1;
    padding: 0 2.5rem;
    border-right: 1px solid var(--border);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .stat:first-child { padding-left: 0; }
  .stat:last-child { border-right: none; }
  .stat.visible { opacity: 1; transform: translateY(0); }

  .stat-num {
    font-family: 'DM Sans', sans-serif;
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
  }
  .stat-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mid);
  }

  /* ── SERVICES ── */
  .services {
    padding: 5rem 3rem 3rem;
    scroll-margin-top: 7rem;
  }

  .section-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 3rem;
  }

  .section-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 1rem;
  }

  .section-title {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.1;
  }
  .section-title em {
    font-style: normal;
    font-weight: 600;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .service-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    border-top: 1px solid var(--border);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .service-card.visible { opacity: 1; transform: translateY(0); }

  .service-card.reverse { direction: rtl; }
  .service-card.reverse > * { direction: ltr; }

  .service-num {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    color: var(--border);
    letter-spacing: 0.12em;
    margin-bottom: 1.5rem;
  }

  .service-name {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1.2rem;
  }
  .service-name em {
    font-style: normal;
    font-weight: 600;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .service-desc {
    font-size: 0.97rem;
    font-weight: 300;
    color: var(--mid);
    line-height: 1.85;
    max-width: 42ch;
    margin-bottom: 2rem;
  }

  .service-tags {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
    margin-bottom: 2rem;
  }
  .tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mid);
    border: 1px solid var(--border);
    padding: 0.3rem 0.75rem;
    border-radius: 1px;
  }

  .service-link {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--dark);
    text-decoration: none;
    display: inline-flex; align-items: center; gap: 0.6rem;
    transition: color 0.2s, gap 0.2s;
  }
  .service-link:hover { color: var(--violet); gap: 1rem; }
  .service-link::after { content: '→'; }

  /* Service visual panels */
  .service-visual {
    aspect-ratio: 4/3;
    /* background: var(--light); */
    position: relative;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    border-radius: 3px;
    margin-top: 6rem;
  }

  /* Configurator visual */
  .config-demo {
    width: 85%; height: 85%;
    display: flex; flex-direction: column; gap: 10px;
    padding: 16px;
  }
  .config-row {
    display: flex; gap: 8px;
  }
  .config-chip {
    height: 28px;
    border-radius: 14px;
    flex: 1;
    background: #e4e0ef;
    transition: background 0.3s;
    position: relative;
    overflow: hidden;
  }
  .config-chip.selected {
    background: var(--grad);
  }
  .config-chip.selected::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
    animation: shimmer 2s infinite;
  }
  .config-bar {
    height: 6px;
    border-radius: 3px;
    background: #e4e0ef;
    margin-top: 8px;
  }
  .config-bar.fill {
    background: var(--grad2);
    animation: expand 3s ease-in-out infinite alternate;
  }
  .config-price {
    margin-top: auto;
    height: 36px;
    border-radius: 4px;
    background: var(--dark);
    display: flex; align-items: center; justify-content: center;
  }
  .config-price-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: white;
    margin-right: 8px;
    animation: blink 1.4s ease-in-out infinite;
  }
  .config-price-line {
    height: 2px;
    width: 60px;
    background: rgba(255,255,255,0.25);
    border-radius: 2px;
  }

  /* Software / process visual */
  .process-demo {
    width: 82%; height: 82%;
    position: relative;
  }
  .p-node {
    position: absolute;
    width: 48px; height: 48px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
  }
  .p-node-inner {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: white;
    opacity: 0.9;
  }
  .p-node.n1 { background: var(--grad); top: 10%; left: 5%; animation: floatA 4s ease-in-out infinite; }
  .p-node.n2 { background: var(--grad); top: 10%; left: 38%; animation: floatB 4s ease-in-out infinite 0.6s; }
  .p-node.n3 { background: var(--grad); top: 10%; left: 71%; animation: floatA 4s ease-in-out infinite 1.2s; }
  .p-node.n4 { background: linear-gradient(135deg, #4ab8d4, #2D6AE0); top: 55%; left: 20%; animation: floatB 4s ease-in-out infinite 0.3s; }
  .p-node.n5 { background: linear-gradient(135deg, #4ab8d4, #2D6AE0); top: 55%; left: 57%; animation: floatA 4s ease-in-out infinite 0.9s; }
  .p-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, var(--violet), var(--blue));
    opacity: 0.25;
    top: 34px;
    transform-origin: left center;
  }
  .p-line.l1 { left: 53px; width: 130px; top: 16%; }
  .p-line.l2 { left: 53px; width: 130px; top: 16%; transform: translateX(186px); }
  .p-line.l3 { left: 53px; width: 80px; top: 41%; transform: rotate(30deg); }
  .p-line.l4 { left: 53px; width: 80px; top: 41%; transform: translateX(183px) rotate(-30deg); }
  .p-line.l5 { left: 68px; width: 130px; top: 72%; }

  @keyframes floatA {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }
  @keyframes floatB {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
  }
  @keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
  }
  @keyframes expand {
    from { width: 40%; }
    to { width: 85%; }
  }
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  /* ── WHY US ── */
  .why {
    padding: 8rem 3rem;
    border-top: 1px solid var(--border);
    background: var(--light);
  }

  .section-desc {
    margin-top: 1.5rem;
    color: var(--mid);
  }

  .why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 5rem;
  }

  .why-item {
    padding: 3rem;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .why-item:nth-child(3), .why-item:nth-child(6) { border-right: none; }
  .why-item:nth-child(4), .why-item:nth-child(5), .why-item:nth-child(6) { border-bottom: none; }
  .why-item.visible { opacity: 1; transform: translateY(0); }

  .why-icon {
    width: 40px; height: 40px;
    border-radius: 8px;
    background: var(--grad);
    margin-bottom: 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .why-icon svg {
    width: 20px; height: 20px;
    stroke: white;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .why-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 0.8rem;
  }

  .why-desc {
    font-size: 0.92rem;
    font-weight: 300;
    color: var(--mid);
    line-height: 1.8;
  }

  /* ── ABOUT ── */
  .about {
    padding: 8rem 3rem;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7rem;
    align-items: center;
  }

  .about-title {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(2rem, 3.5vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.1;
  }
  .about-title em {
    font-style: normal;
    font-weight: 500;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .about-text {
    font-size: 1rem;
    font-weight: 300;
    color: var(--mid);
    line-height: 1.9;
  }
  .about-text p + p { margin-top: 1.5rem; }

  /* ── CTA BANNER ── */
  .cta-banner {
    margin: 0 3rem 6rem;
    padding: 5rem 5rem;
    background: var(--dark);
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    position: relative;
    overflow: hidden;
  }
  .cta-banner::before {
    content: '';
    position: absolute;
    top: -40%; right: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(107,33,200,0.4) 0%, transparent 70%);
    pointer-events: none;
  }
  .cta-banner::after {
    content: '';
    position: absolute;
    bottom: -30%; left: 20%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(45,106,224,0.3) 0%, transparent 70%);
    pointer-events: none;
  }

  .cta-text {
    position: relative; z-index: 1;
  }
  .cta-text h2 {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1rem;
  }
  .cta-text p {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    max-width: 42ch;
  }

  .cta-action {
    position: relative; z-index: 1;
    flex-shrink: 0;
  }
  .btn-white {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--dark);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: background 0.2s, color 0.2s, transform 0.2s;
  }
  .btn-white:hover { background: var(--grad); color: var(--white); transform: translateY(-2px); }

  /* ── FOOTER ── */
  footer {
    padding: 1rem 3rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .footer-info {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
  }

  .footer-logo {
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark);
    text-decoration: none;
    display: flex; align-items: center; gap: 0.4rem;
  }
  .footer-logo .byte {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .footer-links {
    display: flex; gap: 2.5rem;
  }
  .footer-links a {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--mid);
    text-decoration: none;
    transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--violet); }

  .footer-copy {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    color: rgba(0,0,0,0.4);
    letter-spacing: 0.06em;
    line-height: 1.8;
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-link:not(.nav-cta) { display: none; }
    .nav-links { gap: 0.75rem; }
    .nav-cta { padding: 0.5rem 1.1rem; font-size: 0.75rem; }
    .hero { padding: 0 1.5rem; }
    .hero-deco { display: none; }
    .stats-bar { flex-wrap: wrap; gap: 2rem; padding: 2.5rem 1.5rem; }
    .stat { border-right: none; padding: 0; flex: 0 0 40%; }
    .services { padding: 5rem 1.5rem 2.5rem; }
    .service-card { grid-template-columns: 1fr; gap: 2rem; }
    .service-card.reverse { direction: ltr; }
    .why { padding: 5rem 1.5rem; }
    .why-grid { grid-template-columns: 1fr 1fr; }
    .why-item:nth-child(2), .why-item:nth-child(4), .why-item:nth-child(6) { border-right: none; }
    .why-item:nth-child(3), .why-item:nth-child(5) { border-right: 1px solid var(--border); }
  }

  @media (max-width: 768px) {
    .why-grid { grid-template-columns: 1fr; }
    .why-item { border-right: none; border-bottom: 1px solid var(--border); padding: 2rem 1.5rem; }
    .why-item:nth-child(3), .why-item:nth-child(5) { border-right: none; }
    .why-item:last-child { border-bottom: none; }
    .about { padding: 5rem 1.5rem; grid-template-columns: 1fr; gap: 3rem; }
    .cta-banner { margin: 0 1.5rem 4rem; padding: 3rem 2rem; flex-direction: column; align-items: flex-start; }
    footer { padding: 2rem 1.5rem; flex-direction: column; gap: 1.5rem; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
  }
