:root {
    /* Brand colors */
    --bg-deep: #0A1628;
    --bg-surface: #0F1E36;
    --bg-elevated: #152846;
    --bg-glass: rgba(21, 40, 70, 0.55);
    --border-subtle: rgba(120, 170, 230, 0.12);
    --border-strong: rgba(120, 170, 230, 0.22);

    --text-primary: #F4F8FF;
    --text-secondary: #9FB4D1;
    --text-muted: #6F84A5;

    --accent-cyan: #22D3EE;
    --accent-blue: #3B82F6;
    --accent-glow: rgba(34, 211, 238, 0.35);

    --gradient-hero: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.18), transparent 60%),
                     radial-gradient(ellipse at bottom right, rgba(34, 211, 238, 0.12), transparent 55%);
    --gradient-accent: linear-gradient(135deg, #22D3EE 0%, #3B82F6 100%);
    --gradient-text: linear-gradient(135deg, #F4F8FF 0%, #9FB4D1 100%);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -20px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 0 1px rgba(34, 211, 238, 0.25), 0 20px 60px -15px rgba(34, 211, 238, 0.45);

    --font-display: 'Manrope', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    --container: 1200px;
  }

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

  html { scroll-behavior: smooth; }

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

  /* Background grid + ambient glows */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(rgba(120, 170, 230, 0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(120, 170, 230, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    pointer-events: none;
    z-index: 0;
  }

  a { color: inherit; text-decoration: none; }
  img, svg { display: block; max-width: 100%; }

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
  }

  /* ===================== NAVIGATION ===================== */
  .nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(10, 22, 40, 0.7);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    max-width: var(--container);
    margin: 0 auto;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
  }
  .logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--gradient-accent);
    display: grid;
    place-items: center;
    box-shadow: 0 0 20px var(--accent-glow);
  }
  .logo-mark svg { width: 18px; height: 18px; }
  .logo-text { color: var(--text-primary); }
  .logo-text span { color: var(--accent-cyan); }

  .nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
    align-items: center;
  }
  .nav-links a {
    color: var(--text-secondary);
    font-size: 0.93rem;
    font-weight: 500;
    transition: color 0.2s ease;
  }
  .nav-links a:hover { color: var(--text-primary); }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--gradient-accent);
    color: #0A1628 !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 30px -10px var(--accent-glow);
  }

  .menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    cursor: pointer;
    color: var(--text-primary);
    align-items: center;
    justify-content: center;
  }
  .menu-toggle svg { width: 20px; height: 20px; }

  /* ===================== BUTTONS ===================== */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-display);
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    text-decoration: none;
  }
  .btn-primary {
    background: var(--gradient-accent);
    color: #0A1628;
    box-shadow: 0 10px 30px -10px var(--accent-glow);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px -10px var(--accent-glow);
  }
  .btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    backdrop-filter: blur(12px);
  }
  .btn-secondary:hover {
    border-color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.06);
  }
  .btn-arrow {
    transition: transform 0.2s ease;
  }
  .btn:hover .btn-arrow { transform: translateX(3px); }

  /* ===================== HERO ===================== */
  .hero {
    position: relative;
    padding: 100px 0 120px;
    background: var(--gradient-hero);
    overflow: hidden;
  }
  .hero-content {
    max-width: 880px;
    text-align: center;
    margin: 0 auto;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: 100px;
    color: var(--accent-cyan);
    font-size: 0.82rem;
    font-weight: 500;
    font-family: var(--font-mono);
    margin-bottom: 28px;
  }
  .badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 8px var(--accent-cyan);
    animation: pulse 2s ease infinite;
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  .hero h1 {
    font-size: clamp(2.4rem, 5.2vw, 4.2rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .hero h1 .highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .hero p.lead {
    font-size: clamp(1rem, 1.3vw, 1.18rem);
    color: var(--text-secondary);
    margin: 0 auto 40px;
    max-width: 640px;
  }
  .hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
  }

  .trust-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 880px;
    margin: 0 auto;
    padding: 28px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
  }
  .trust-item {
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }
  .trust-icon {
    flex-shrink: 0;
    width: 36px; height: 36px;
    border-radius: 10px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    display: grid; place-items: center;
    color: var(--accent-cyan);
  }
  .trust-icon svg { width: 18px; height: 18px; }
  .trust-text strong {
    display: block;
    font-size: 0.92rem;
    color: var(--text-primary);
    margin-bottom: 2px;
  }
  .trust-text span {
    font-size: 0.82rem;
    color: var(--text-muted);
  }

  /* ===================== SECTIONS ===================== */
  section { padding: 100px 0; position: relative; }

  .section-header {
    max-width: 720px;
    margin: 0 auto 64px;
    text-align: center;
  }
  .eyebrow {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 16px;
    font-weight: 500;
  }
  h2 {
    font-size: clamp(2rem, 3.6vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 18px;
    color: var(--text-primary);
  }
  .section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
  }

  /* ===================== SERVICES GRID ===================== */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .service-card {
    padding: 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .service-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
  }
  .service-card:hover::before { opacity: 1; }

  .service-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(34, 211, 238, 0.2);
    display: grid; place-items: center;
    color: var(--accent-cyan);
    margin-bottom: 22px;
  }
  .service-icon svg { width: 22px; height: 22px; }
  .service-card h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
  }
  .service-card p {
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.6;
  }

  /* ===================== WHY CHOOSE US ===================== */
  .why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
  .why-list { list-style: none; display: flex; flex-direction: column; gap: 22px; }
  .why-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
  }
  .why-num {
    flex-shrink: 0;
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--gradient-accent);
    display: grid; place-items: center;
    color: #0A1628;
    font-weight: 700;
    font-size: 0.95rem;
  }
  .why-item h4 {
    font-size: 1.02rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
  }
  .why-item p {
    color: var(--text-secondary);
    font-size: 0.92rem;
  }

  /* Visual block */
  .why-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.05), rgba(59, 130, 246, 0.03));
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    padding: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .stack-visual {
    position: relative;
    width: 100%;
    max-width: 320px;
  }
  .stack-layer {
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.4);
    transition: transform 0.3s ease;
  }
  .stack-layer:hover { transform: translateX(6px); }
  .stack-layer:nth-child(1) { margin-left: 0; }
  .stack-layer:nth-child(2) { margin-left: 12px; }
  .stack-layer:nth-child(3) { margin-left: 24px; }
  .stack-layer:nth-child(4) { margin-left: 36px; }
  .stack-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
  }
  .stack-label {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
  }
  .stack-tag {
    margin-left: auto;
    font-size: 0.72rem;
    padding: 3px 8px;
    background: rgba(34, 211, 238, 0.1);
    border-radius: 6px;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
  }

  /* ===================== PROCESS ===================== */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    position: relative;
  }
  .process-step {
    padding: 28px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    position: relative;
    backdrop-filter: blur(12px);
  }
  .process-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent-cyan);
    margin-bottom: 14px;
    font-weight: 500;
  }
  .process-step h4 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
  }
  .process-step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
  }

  /* ===================== CTA SECTION ===================== */
  .cta-section {
    padding: 80px 0;
  }
  .cta-box {
    padding: 64px 48px;
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .cta-box::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at center, rgba(34, 211, 238, 0.12), transparent 50%);
    pointer-events: none;
  }
  .cta-box > * { position: relative; }
  .cta-box h2 { margin-bottom: 16px; }
  .cta-box p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
  }

  /* ===================== FOOTER ===================== */
  footer {
    padding: 60px 0 40px;
    border-top: 1px solid var(--border-subtle);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }
  .footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 280px;
  }
  .footer-col h5 {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .footer-col a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    transition: color 0.2s ease;
  }
  .footer-col a:hover { color: var(--accent-cyan); }
  .footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  /* ===================== INNER PAGE STYLES ===================== */
  .page-hero {
    padding: 80px 0 60px;
    background: var(--gradient-hero);
    text-align: center;
  }
  .page-hero h1 {
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .page-hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
  }

  /* Service detail */
  .service-detail {
    padding: 60px 0;
  }
  .service-block {
    padding: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
    margin-bottom: 24px;
  }
  .service-block-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
  }
  .service-block h3 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
  }
  .service-block .description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
  }
  .service-block-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--border-subtle);
  }
  .service-list-title {
    font-size: 0.78rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-cyan);
    margin-bottom: 14px;
  }
  .service-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .service-list li {
    color: var(--text-secondary);
    font-size: 0.93rem;
    padding-left: 22px;
    position: relative;
  }
  .service-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 9px;
    width: 12px; height: 1px;
    background: var(--accent-cyan);
  }

  /* About */
  .about-content {
    max-width: 780px;
    margin: 0 auto;
  }
  .about-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 22px;
  }
  .about-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 40px 0 14px;
    color: var(--text-primary);
    letter-spacing: -0.015em;
  }
  .pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin: 40px 0;
  }
  .pillar {
    padding: 26px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
  }
  .pillar h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent-cyan);
  }
  .pillar p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
  }

  /* Contact form */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
  }
  .contact-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.015em;
  }
  .contact-info p {
    color: var(--text-secondary);
    margin-bottom: 24px;
  }
  .contact-method {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
  }
  .contact-method-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    display: grid; place-items: center;
    color: var(--accent-cyan);
    flex-shrink: 0;
  }
  .contact-method-icon svg { width: 18px; height: 18px; }
  .contact-method strong {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
  }
  .contact-method span {
    color: var(--text-primary);
    font-weight: 500;
  }

  .contact-form {
    padding: 36px;
    background: var(--bg-glass);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
  }
  .form-group { margin-bottom: 18px; }
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-deep);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .form-group textarea { resize: vertical; min-height: 110px; }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
  }
  .form-submit {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }

  /* Netlify honeypot — hidden from real users, visible to bots */
  .hidden-field {
    position: absolute !important;
    left: -10000px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }

  /* ===================== RESPONSIVE ===================== */
  @media (max-width: 960px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .nav-links.open {
      display: flex;
      position: absolute;
      top: 100%; left: 0; right: 0;
      flex-direction: column;
      background: var(--bg-surface);
      padding: 20px 24px;
      gap: 16px;
      border-bottom: 1px solid var(--border-subtle);
    }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; gap: 40px; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .pillar-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .trust-bar { grid-template-columns: 1fr 1fr; }
    .service-block-grid { grid-template-columns: 1fr; gap: 24px; }
  }

  @media (max-width: 600px) {
    section { padding: 70px 0; }
    .hero { padding: 70px 0 80px; }
    .services-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .trust-bar { grid-template-columns: 1fr; padding: 20px; }
    .form-row { grid-template-columns: 1fr; }
    .cta-box { padding: 40px 24px; }
    .service-block { padding: 28px; }
    .contact-form { padding: 24px; }
  }