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

  :root {
    --teal:     #66FCF1;
    --teal-dim: #00897B;
    --teal-glow:#00E5C8;
    --dark:     #070F16;
    --dark2:    #0B1E2D;
    --dark3:    #0F2539;
    --grey:     #D8E8EC;
    --grey-mid: #7A9AAA;
    --grey-dim: #3A5566;
    --white:    #F0F8FA;
    --teal-separator:   #66FCF11a;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--dark);
    color: var(--grey);
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    line-height: 1.7;
    overflow-x: hidden;
  }

  /* ── SCROLLBAR ── */
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: var(--dark2); }
  ::-webkit-scrollbar-thumb { background: var(--teal-dim); border-radius: 2px; }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 60px;
    height: 72px;
    background: var(--dark);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--teal-separator);
  }

  .nav-logo svg { height: 38px; width: auto; }

  .nav-links { display: flex; gap: 40px; list-style: none; }
  .nav-links a {
    color: var(--grey-mid);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--teal); }

  .nav-cta {
    background: transparent;
    border: 1px solid var(--teal);
    color: var(--teal);
    padding: 10px 26px;
    font-family: 'Barlow', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
  }
  .nav-cta:hover { background: var(--teal); color: var(--dark); }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    display: flex; align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 60px 80px;
  }

  /* .hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: radial-gradient(ellipse 70% 60% at 60% 50%, rgba(0,201,177,0.06) 0%, transparent 70%),
                radial-gradient(ellipse 40% 40% at 90% 10%, rgba(0,201,177,0.04) 0%, transparent 60%);
  } */

  /* animated network grid */
  .hero-grid {
    position: absolute; right: -40px; top: 50%; transform: translateY(-50%);
    width: 580px; height: 580px; opacity: 0.18;
    animation: pulse 4s ease-in-out infinite;
  }
  @keyframes pulse { 0%,100%{opacity:0.18} 50%{opacity:0.28} }

  .hero-content { position: relative; z-index: 1; max-width: 620px; }

  .hero-eyebrow {
    font-size: 11px; font-weight: 700; letter-spacing: 5px;
    text-transform: uppercase; color: var(--teal);
    margin-bottom: 24px;
    display: flex; align-items: center; gap: 12px;
  }
  .hero-eyebrow::before {
    content: ''; display: block;
    width: 32px; height: 1px; background: var(--teal);
  }

  h1 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(52px, 7vw, 88px);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -1px;
    color: var(--white);
    margin-bottom: 28px;
    text-transform: uppercase;
  }
  h1 span { color: var(--teal); }

  .hero-sub {
    font-size: 17px; font-weight: 300; color: var(--grey-mid);
    max-width: 480px; margin-bottom: 48px; line-height: 1.8;
  }

  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

  .btn-primary {
    background: var(--teal);
    color: var(--dark);
    border: none;
    padding: 16px 36px;
    font-family: 'Barlow', sans-serif;
    font-size: 13px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    cursor: pointer; transition: all 0.2s;
    text-decoration: none; display: inline-block;
  }
  .btn-primary:hover { background: var(--teal-glow); transform: translateY(-1px); }

  .btn-outline {
    background: transparent;
    color: var(--grey);
    border: 1px solid var(--grey-dim);
    padding: 16px 36px;
    font-family: 'Barlow', sans-serif;
    font-size: 13px; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase;
    cursor: pointer; transition: all 0.2s;
    text-decoration: none; display: inline-block;
  }
  .btn-outline:hover { border-color: var(--teal); color: var(--teal); }

  .hero-stats {
    position: absolute; bottom: 60px; left: 60px; right: 60px; z-index: 1;
    display: flex; gap: 60px;
    border-top: 1px solid var(--teal-separator);
    padding-top: 32px;
  }
  .stat-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 40px; font-weight: 900; color: var(--teal);
    line-height: 1;
  }
  .stat-label {
    font-size: 11px; font-weight: 600; letter-spacing: 3px;
    text-transform: uppercase; color: var(--grey-mid); margin-top: 4px;
  }

  /* ── SECTION BASE ── */
  section { padding: 100px 60px; }
  .section-label {
    font-size: 11px; font-weight: 700; letter-spacing: 5px;
    text-transform: uppercase; color: var(--teal);
    margin-bottom: 16px;
    display: flex; align-items: center; gap: 12px;
  }
  .section-label::before { content:''; width:32px; height:1px; background:var(--teal); display:block; }

  h2 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 900; text-transform: uppercase;
    line-height: 1; color: var(--white);
    margin-bottom: 20px;
  }
  h2 span { color: var(--teal); }

  .section-intro {
    font-size: 16px; font-weight: 300; color: var(--grey-mid);
    max-width: 520px; line-height: 1.9;
  }

  /* ── SERVICES ── */
  #services { background: var(--dark2); }

  .services-header { margin-bottom: 64px; }

  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2px;
  }

  .service-card {
    background: var(--dark3);
    padding: 44px 36px;
    border-top: 2px solid transparent;
    transition: all 0.3s;
    position: relative; overflow: hidden;
  }
  .service-card::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--teal), transparent);
    opacity: 0; transition: opacity 0.3s;
  }
  .service-card:hover { border-top-color: var(--teal); background: #122333; }
  .service-card:hover::after { opacity: 1; }

  .service-icon {
    width: 48px; height: 48px; margin-bottom: 24px;
  }

  .service-card h3 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 22px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--white); margin-bottom: 12px;
  }

  .service-card p {
    font-size: 14px; color: var(--grey-mid); line-height: 1.8;
  }

  .service-num {
    position: absolute; top: 36px; right: 36px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 48px; font-weight: 900; color: var(--teal-separator);
    line-height: 1;
  }

  /* ── ABOUT ── */
  #about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
  }

  .about-visual {
    position: relative;
    display: flex; align-items: center; justify-content: center;
  }

  .about-icon-wrap {
    width: 340px; height: 340px;
    border: 1px solid var(--teal-separator);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    position: relative;
  }
  .about-icon-wrap::before {
    content: '';
    position: absolute; inset: 20px;
    border: 1px solid var(--teal-separator);
    border-radius: 50%;
  }

  .about-pillars {
    margin-top: 40px;
    display: flex; flex-direction: column; gap: 20px;
  }

  .pillar {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px 24px;
    border-left: 2px solid var(--teal-dim);
    background: var(--dark2);
    transition: all 0.2s;
  }
  .pillar:hover { border-left-color: var(--teal); background: var(--dark3); }

  .pillar-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--teal); margin-top: 8px; flex-shrink: 0;
  }

  .pillar h4 {
    font-size: 13px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--white); margin-bottom: 4px;
  }
  .pillar p { font-size: 13px; color: var(--grey-mid); }

  /* ── CONTACT ── */
  #contact { background: var(--dark2); }

  .contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: start;
    margin-top: 60px;
  }

  .contact-info h3 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 28px; font-weight: 700; text-transform: uppercase;
    color: var(--white); margin-bottom: 16px;
  }
  .contact-info p { font-size: 15px; color: var(--grey-mid); line-height: 1.9; margin-bottom: 36px; }

  .contact-detail {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 16px; font-size: 14px; color: var(--grey-mid);
  }
  .contact-detail span {
    color: var(--teal); font-weight: 700;
    font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
    min-width: 60px;
  }

  .contact-form { display: flex; flex-direction: column; gap: 16px; }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

  .form-field { display: flex; flex-direction: column; gap: 6px; }

  .form-field label {
    font-size: 11px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--grey-mid);
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    background: var(--dark3);
    border: 1px solid var(--grey-dim);
    color: var(--grey);
    padding: 14px 18px;
    font-family: 'Barlow', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
  }
  .form-field input:focus,
  .form-field select:focus,
  .form-field textarea:focus { border-color: var(--teal); }
  .form-field textarea { min-height: 120px; }
  .form-field select option { background: var(--dark3); }

  .form-submit {
    background: var(--teal);
    color: var(--dark);
    border: none;
    padding: 18px 40px;
    font-family: 'Barlow', sans-serif;
    font-size: 13px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    cursor: pointer; transition: all 0.2s;
    align-self: flex-start;
  }
  .form-submit:hover { background: var(--teal-glow); }

  /* ── FOOTER ── */
  footer {
    background: var(--dark);
    border-top: 1px solid var(--teal-separator);
    padding: 48px 60px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 24px;
  }
  .footer-copy {
    font-size: 12px; color: var(--grey-dim); letter-spacing: 1px;
  }
  .footer-links { display: flex; gap: 32px; list-style: none; }
  .footer-links a {
    font-size: 12px; color: var(--grey-dim); text-decoration: none;
    letter-spacing: 1px; text-transform: uppercase; transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--teal); }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity:0; transform: translateY(30px); }
    to   { opacity:1; transform: translateY(0); }
  }
  .fade-up { animation: fadeUp 0.7s ease forwards; }
  .delay-1 { animation-delay: 0.1s; opacity: 0; }
  .delay-2 { animation-delay: 0.25s; opacity: 0; }
  .delay-3 { animation-delay: 0.4s; opacity: 0; }
  .delay-4 { animation-delay: 0.55s; opacity: 0; }

  @media (max-width: 900px) {
    nav { padding: 0 24px; }
    .nav-links { display: none; }
    section, #hero { padding: 80px 24px; }
    #about { grid-template-columns: 1fr; }
    .about-visual { display: none; }
    .contact-wrap { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-stats { gap: 32px; bottom: 32px; left: 24px; right: 24px; flex-wrap: wrap; }
    footer { padding: 32px 24px; }
  }