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

  :root {
    --navy: #0a1628;
    --navy-mid: #112240;
    --electric: #00d4ff;
    --electric-dim: rgba(0,212,255,0.12);
    --electric-border: rgba(0,212,255,0.3);
    --accent: #ff6b35;
    --white: #f0f4f8;
    --muted: rgba(240,244,248,0.55);
    --card-bg: rgba(17,34,64,0.7);
    --font-head: "Montserrat", sans-serif;
    --font-body: 'DM Sans', sans-serif;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--navy);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
  }

  /* ─── NAV ─── */
  nav {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 5%;
    background: rgba(10,22,40,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--electric-border);
    transition: background 0.3s;
  }
  .logo {
    font-family: var(--font-head);
    font-size: 1.4rem; font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--white);
  }
  .logo span { color: var(--electric); }
  .nav-links { display: flex; gap: 2rem; list-style: none; }
  .nav-links a {
    font-size: 0.88rem; font-weight: 500; letter-spacing: 0.04em;
    color: var(--muted); text-decoration: none; text-transform: uppercase;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--electric); }
  .nav-cta {
    background: var(--electric); color: var(--navy);
    padding: 0.45rem 1.2rem; border-radius: 4px;
    font-weight: 700; font-size: 0.85rem; text-decoration: none;
    letter-spacing: 0.04em; text-transform: uppercase;
    transition: opacity 0.2s;
  }
  .nav-cta:hover { opacity: 0.85; }
  .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
  .hamburger span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

  /* ─── HERO ─── */
  #hero {
    min-height: 100vh;
    display: flex; align-items: center;
    padding: 120px 5% 80px;
    position: relative; overflow: hidden;
  }
  .hero-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: center; width: 100%; max-width: 1200px; margin: 0 auto;
  }
  .badge {
    display: inline-block;
    background: var(--electric-dim); border: 1px solid var(--electric-border);
    color: var(--electric); font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    padding: 0.35rem 0.9rem; border-radius: 2px; margin-bottom: 1.2rem;
  }
  h1 {
    font-family: var(--font-head); font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 800; line-height: 1.1; letter-spacing: -1px;
    margin-bottom: 1.4rem;
  }
  h1 em { font-style: normal; color: var(--electric); }
  .hero-sub {
    font-size: 1.05rem; color: var(--muted); max-width: 480px;
    margin-bottom: 2.4rem; font-weight: 300;
  }
  .btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }
  .btn-primary {
    background: var(--electric); color: var(--navy);
    padding: 0.75rem 1.8rem; border-radius: 4px;
    font-weight: 700; font-size: 0.9rem; text-decoration: none;
    letter-spacing: 0.04em; transition: opacity 0.2s;
  }
  .btn-primary:hover { opacity: 0.85; }
  .btn-outline {
    border: 1px solid var(--electric-border); color: var(--electric);
    padding: 0.75rem 1.8rem; border-radius: 4px;
    font-weight: 500; font-size: 0.9rem; text-decoration: none;
    letter-spacing: 0.04em; transition: background 0.2s;
  }
  .btn-outline:hover { background: var(--electric-dim); }

  /* Hero visual */
  .hero-visual {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  }
  .icon-card {
    background: var(--card-bg);
    border: 1px solid var(--electric-border);
    border-radius: 10px; padding: 1.5rem 1.2rem;
    text-align: center; transition: transform 0.25s, border-color 0.25s;
  }
  .icon-card:hover { transform: translateY(-4px); border-color: var(--electric); }
  .icon-card .ico { font-size: 2rem; margin-bottom: 0.6rem; }
  .icon-card p { font-size: 0.8rem; color: var(--muted); font-weight: 500; letter-spacing: 0.03em; }
  .icon-card.featured { grid-column: span 2; display: flex; align-items: center; gap: 1.2rem; text-align: left; }
  .icon-card.featured .ico { font-size: 2.4rem; flex-shrink: 0; }
  .icon-card.featured h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--electric); margin-bottom: 0.2rem; }
  .icon-card.featured p { font-size: 0.82rem; }

  /* BG decoration */
  .bg-glow {
    position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; z-index: 0;
  }
  .bg-glow-1 { width: 500px; height: 500px; background: rgba(0,212,255,0.07); top: -100px; right: -100px; }
  .bg-glow-2 { width: 300px; height: 300px; background: rgba(255,107,53,0.06); bottom: 0; left: 10%; }
  #hero > * { position: relative; z-index: 1; }

  /* ─── STATS ─── */
  #stats {
    background: var(--electric-dim);
    border-top: 1px solid var(--electric-border);
    border-bottom: 1px solid var(--electric-border);
    padding: 3rem 5%;
  }
  .stats-row {
    display: flex; justify-content: space-around; flex-wrap: wrap;
    gap: 2rem; max-width: 900px; margin: 0 auto; text-align: center;
  }
  .stat-num {
    font-family: var(--font-head); font-size: 2.8rem; font-weight: 800;
    color: var(--electric); line-height: 1;
  }
  .stat-label { font-size: 0.85rem; color: var(--muted); margin-top: 0.3rem; letter-spacing: 0.05em; text-transform: uppercase; }

  /* ─── SECTIONS SHARED ─── */
  section { padding: 6rem 5%; }
  .section-inner { max-width: 1200px; margin: 0 auto; }
  .section-tag {
    font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--electric); margin-bottom: 0.8rem;
  }
  h2 {
    font-family: var(--font-head); font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800; letter-spacing: -0.5px; line-height: 1.15;
    margin-bottom: 1rem;
  }
  .section-desc { color: var(--muted); font-size: 1rem; max-width: 560px; font-weight: 300; margin-bottom: 3rem; }

  /* ─── SERVICES ─── */
  #services { background: var(--navy-mid); }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
  }
  .service-card {
    background: var(--navy);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 10px; padding: 2rem 1.6rem;
    position: relative; overflow: hidden;
    transition: border-color 0.25s, transform 0.25s;
    cursor: default;
  }
  .service-card::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--electric-dim) 0%, transparent 60%);
    opacity: 0; transition: opacity 0.3s;
  }
  .service-card:hover { border-color: var(--electric-border); transform: translateY(-3px); }
  .service-card:hover::before { opacity: 1; }
  .service-icon { font-size: 2rem; margin-bottom: 1rem; }
  .service-card h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
  .service-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
  .service-tag {
    display: inline-block; margin-top: 1rem;
    font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--electric); font-weight: 600;
  }

  /* ─── CLIENTS ─── */
  #clients {}
  .clients-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
  }
  .client-card {
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px; padding: 2rem 1.5rem;
    text-align: center; transition: border-color 0.25s;
  }
  .client-card:hover { border-color: var(--electric-border); }
  .client-card .c-icon { font-size: 2.5rem; margin-bottom: 0.8rem; }
  .client-card h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
  .client-card p { font-size: 0.83rem; color: var(--muted); }

  /* ─── WHY US ─── */
  #why { background: var(--navy-mid); }
  .why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
  .why-list { display: flex; flex-direction: column; gap: 1.5rem; }
  .why-item { display: flex; gap: 1rem; align-items: flex-start; }
  .why-num {
    flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid var(--electric); display: flex; align-items: center; justify-content: center;
    font-family: var(--font-head); font-size: 0.85rem; font-weight: 800; color: var(--electric);
  }
  .why-item h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
  .why-item p { font-size: 0.88rem; color: var(--muted); }
  .why-visual {
    background: var(--navy);
    border: 1px solid var(--electric-border);
    border-radius: 14px; padding: 2.5rem 2rem; text-align: center;
  }
  .timeline { display: flex; flex-direction: column; gap: 1.2rem; text-align: left; }
  .tl-item { display: flex; gap: 1rem; align-items: flex-start; }
  .tl-dot {
    flex-shrink: 0; margin-top: 5px;
    width: 10px; height: 10px; border-radius: 50%; background: var(--electric);
  }
  .tl-item span { font-size: 0.82rem; color: var(--electric); font-weight: 700; letter-spacing: 0.05em; }
  .tl-item p { font-size: 0.85rem; color: var(--muted); }

  /* ─── CONTACT ─── */
  #contact {}
  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
  .contact-info { display: flex; flex-direction: column; gap: 1.4rem; }
  .contact-row { display: flex; gap: 1rem; align-items: flex-start; }
  .contact-row .ico { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
  .contact-row h4 { font-family: var(--font-head); font-size: 0.9rem; font-weight: 700; color: var(--electric); margin-bottom: 0.2rem; }
  .contact-row p { font-size: 0.88rem; color: var(--muted); }
  .contact-row a { color:var(--muted); text-decoration: none; }
  .contact-row a:hover { color: var(--electric); }
  form { display: flex; flex-direction: column; gap: 1rem; }
  form input, form textarea, form select {
    background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px; padding: 0.75rem 1rem;
    color: var(--white); font-family: var(--font-body); font-size: 0.9rem;
    outline: none; transition: border-color 0.2s; width: 100%;
  }
  form input::placeholder, form textarea::placeholder { color: rgba(240,244,248,0.35); }
  form input:focus, form textarea:focus, form select:focus { border-color: var(--electric); }
  form select option { background: var(--navy-mid); }
  form textarea { min-height: 120px; resize: vertical; }
  .submit-btn {
    background: var(--electric); color: var(--navy);
    border: none; padding: 0.85rem; border-radius: 6px;
    font-family: var(--font-head); font-size: 1rem; font-weight: 700;
    cursor: pointer; letter-spacing: 0.04em; transition: opacity 0.2s;
  }
  .submit-btn:hover { opacity: 0.88; }
  .form-success {
    display: none; background: rgba(0,212,255,0.12);
    border: 1px solid var(--electric-border); border-radius: 6px;
    padding: 1rem; text-align: center; color: var(--electric); font-size: 0.9rem;
  }

  /* ─── FOOTER ─── */
  footer {
    background: var(--navy-mid);
    border-top: 1px solid var(--electric-border);
    padding: 2.5rem 5%; text-align: center;
  }
  footer p { font-size: 0.83rem; color: var(--muted); }
  footer .foot-logo { font-family: var(--font-head); font-size: 1.1rem; font-weight: 800; color: var(--white); margin-bottom: 0.5rem; }
  footer .foot-logo span { color: var(--electric); }

  /* ─── ANIMATIONS ─── */
  .fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .fade-up.visible { opacity: 1; transform: none; }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    .hero-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
    .mobile-menu {
      display: none; position: fixed; inset: 0; background: rgba(10,22,40,0.98);
      flex-direction: column; align-items: center; justify-content: center; gap: 2rem; z-index: 99;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--white); text-decoration: none; }
    .mobile-menu a:hover { color: var(--electric); }
  }