/* ── RESET & BASE ───────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --navy:    #0A0F1E;
    --navy2:   #0F172A;
    --navy3:   #1E293B;
    --blue:    #2563EB;
    --blue-lt: #3B82F6;
    --ice:     #F0F4FF;
    --slate:   #94A3B8;
    --slate2:  #64748B;
    --gold:    #F59E0B;
    --white:   #FFFFFF;
    --border:  rgba(148,163,184,0.15);
    --glow:    rgba(37,99,235,0.25);
  }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Inter', sans-serif;
    background: var(--navy);
    color: var(--ice);
    line-height: 1.6;
    overflow-x: hidden;
  }
  ::selection { background: var(--blue); color: #fff; }
  img { display: block; max-width: 100%; }
  a { text-decoration: none; color: inherit; }

  /* ── SCROLLBAR ──────────────────────────────────────── */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--navy2); }
  ::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

  /* ── UTILITY ────────────────────────────────────────── */
  .container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
  .mono { font-family: 'JetBrains Mono', monospace; }
  .gold { color: var(--gold); }
  .blue { color: var(--blue-lt); }
  .slate { color: var(--slate); }
  .tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(245,158,11,0.35);
    padding: 0.25rem 0.75rem;
    border-radius: 2px;
    margin-bottom: 1rem;
  }
  .section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--slate2);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
    max-width: 80px;
  }
  h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; }
  .section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
  }
  .section-sub {
    color: var(--slate);
    font-size: 1.05rem;
    max-width: 560px;
    line-height: 1.7;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
  }
  .btn-primary {
    background: var(--blue);
    color: #fff;
  }
  .btn-primary:hover { background: var(--blue-lt); transform: translateY(-1px); box-shadow: 0 8px 24px var(--glow); }
  .btn-outline {
    background: transparent;
    color: var(--ice);
    border: 1px solid var(--border);
  }
  .btn-outline:hover { border-color: var(--blue-lt); color: var(--blue-lt); transform: translateY(-1px); }

  /* ── NAV ────────────────────────────────────────────── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s;
  }
  nav.scrolled {
    background: rgba(10,15,30,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 0;
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .logo-mark {
    width: 32px; height: 32px;
    background: var(--blue);
    border-radius: 6px;
    display: grid;
    place-items: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
  }
  .nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate);
    transition: color 0.2s;
    position: relative;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 0;
    width: 0; height: 1px;
    background: var(--blue-lt);
    transition: width 0.2s;
  }
  .nav-links a:hover { color: var(--ice); }
  .nav-links a:hover::after { width: 100%; }
  .nav-cta { display: flex; align-items: center; gap: 1rem; }
  .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
  .hamburger span { display: block; width: 22px; height: 2px; background: var(--slate); border-radius: 2px; transition: all 0.3s; }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--navy2);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 600; color: var(--ice); }
  .mobile-menu a:hover { color: var(--blue-lt); }
  .mobile-close { position: absolute; top: 1.5rem; right: 2rem; font-size: 1.5rem; cursor: pointer; color: var(--slate); }

  /* ── HERO ───────────────────────────────────────────── */
  #hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 7rem 0 4rem;
  }
  .hero-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    opacity: 0.5;
  }
  .hero-glow {
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
    top: 10%; left: -10%;
    border-radius: 50%;
    pointer-events: none;
  }
  .hero-glow2 {
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
    bottom: 10%; right: 5%;
    border-radius: 50%;
    pointer-events: none;
  }
  .hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
  .hero-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--blue-lt);
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .hero-eyebrow::before {
    content: '';
    width: 24px; height: 1px;
    background: var(--blue-lt);
  }
  .hero-h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin-bottom: 1.5rem;
  }
  .hero-h1 .accent {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--blue-lt);
  }
  .hero-desc {
    color: var(--slate);
    font-size: 1.1rem;
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 480px;
  }
  .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 3rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
  }
  .hero-stat {
    padding: 1.25rem 1.5rem;
    border-right: 1px solid var(--border);
  }
  .hero-stat:last-child { border-right: none; }
  .hero-stat-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.25rem;
  }
  .hero-stat-num span { color: var(--gold); }
  .hero-stat-label { font-size: 0.78rem; color: var(--slate2); }

  /* TERMINAL */
  .terminal {
    background: var(--navy2);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
    position: relative;
  }
  .terminal-bar {
    background: var(--navy3);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
  }
  .dot { width: 10px; height: 10px; border-radius: 50%; }
  .dot-r { background: #FF5F57; }
  .dot-y { background: #FFBD2E; }
  .dot-g { background: #28CA41; }
  .terminal-title { margin-left: auto; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--slate2); }
  .terminal-body { padding: 1.5rem; min-height: 300px; }
  .t-line {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.8;
    color: var(--slate);
    opacity: 0;
    transform: translateY(4px);
    transition: all 0.3s;
  }
  .t-line.visible { opacity: 1; transform: none; }
  .t-prompt { color: var(--blue-lt); }
  .t-cmd { color: var(--white); }
  .t-ok { color: #28CA41; }
  .t-info { color: var(--gold); }
  .t-cursor {
    display: inline-block;
    width: 8px; height: 14px;
    background: var(--blue-lt);
    vertical-align: middle;
    animation: blink 1s steps(1) infinite;
    border-radius: 1px;
  }
  @keyframes blink { 0%,49%{opacity:1} 50%,100%{opacity:0} }

  /* ── TICKER ─────────────────────────────────────────── */
  .ticker-wrap {
    background: var(--navy3);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    padding: 0.75rem 0;
  }
  .ticker-track {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
  }
  .ticker-track:hover { animation-play-state: paused; }
  @keyframes ticker { from{transform:translateX(0)} to{transform:translateX(-50%)} }
  .ticker-item {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--slate2);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
  }
  .ticker-item .dot-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); }

  /* ── SERVICES ───────────────────────────────────────── */
  #services { padding: 7rem 0; }
  .services-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: end;
    margin-bottom: 4rem;
  }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }
  .service-card {
    background: var(--navy2);
    padding: 2rem;
    position: relative;
    transition: background 0.25s;
    cursor: default;
  }
  .service-card:hover { background: var(--navy3); }
  .service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: transparent;
    transition: background 0.25s;
  }
  .service-card:hover::before { background: var(--blue); }
  .service-icon {
    width: 44px; height: 44px;
    background: rgba(37,99,235,0.12);
    border: 1px solid rgba(37,99,235,0.25);
    border-radius: 8px;
    display: grid;
    place-items: center;
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
  }
  .service-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--white);
  }
  .service-card p {
    font-size: 0.875rem;
    color: var(--slate);
    line-height: 1.65;
    margin-bottom: 1.25rem;
  }
  .service-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
  .service-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--slate2);
    background: rgba(148,163,184,0.07);
    border: 1px solid var(--border);
    padding: 0.2rem 0.55rem;
    border-radius: 2px;
  }

  /* ── EXPERTISE DEEP DIVE ────────────────────────────── */
  #expertise { padding: 7rem 0; background: var(--navy2); }
  .expertise-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
    overflow-x: auto;
  }
  .etab {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate2);
    padding: 0.85rem 1.5rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    position: relative;
    bottom: -1px;
  }
  .etab:hover { color: var(--slate); }
  .etab.active { color: var(--white); border-bottom-color: var(--blue); }
  .expertise-panel { display: none; }
  .expertise-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .expertise-panel h3 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
  }
  .expertise-panel .desc {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1.75rem;
  }
  .expertise-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
  .expertise-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--slate);
  }
  .expertise-list li::before {
    content: '▸';
    color: var(--blue-lt);
    flex-shrink: 0;
    margin-top: 0.05rem;
  }
  .expertise-right { display: flex; flex-direction: column; gap: 1rem; }
  .skill-row { display: flex; flex-direction: column; gap: 0.35rem; }
  .skill-row-label {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--slate);
  }
  .skill-bar-bg { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
  .skill-bar {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--blue), var(--blue-lt));
    width: 0;
    transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
  }
  .cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin-top: 1rem; }
  .cert-card {
    background: var(--navy);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .cert-icon { font-size: 1.25rem; flex-shrink: 0; }
  .cert-name { font-size: 0.78rem; font-weight: 600; color: var(--ice); line-height: 1.3; }
  .cert-body { font-size: 0.68rem; color: var(--slate2); font-family: 'JetBrains Mono', monospace; }

  /* ── PROCESS ────────────────────────────────────────── */
  #process { padding: 7rem 0; }
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    margin-top: 3rem;
  }
  .process-connector {
    position: absolute;
    top: 2rem;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), var(--border), transparent);
    z-index: 0;
  }
  .process-step {
    padding: 0 1.5rem 2rem;
    position: relative;
    z-index: 1;
    text-align: left;
  }
  .process-num {
    width: 40px; height: 40px;
    background: var(--navy2);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--blue-lt);
    margin-bottom: 1.5rem;
    position: relative;
    transition: all 0.3s;
  }
  .process-step:hover .process-num {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: 0 0 20px var(--glow);
  }
  .process-step h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  .process-step p { font-size: 0.85rem; color: var(--slate); line-height: 1.65; }

  /* ── INDUSTRIES ─────────────────────────────────────── */
  #industries { padding: 7rem 0; background: var(--navy2); }
  .industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 3rem;
  }
  .industry-card {
    background: var(--navy);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.25s;
    cursor: default;
  }
  .industry-card:hover {
    border-color: rgba(37,99,235,0.4);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  }
  .industry-icon { font-size: 1.75rem; margin-bottom: 0.85rem; }
  .industry-card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.4rem; }
  .industry-card p { font-size: 0.8rem; color: var(--slate); line-height: 1.6; }

  /* ── TRAINING ───────────────────────────────────────── */
  #training { padding: 7rem 0; }
  .training-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; margin-top: 3rem; }
  .training-list { display: flex; flex-direction: column; gap: 0; }
  .training-item {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 0;
    cursor: pointer;
    transition: all 0.2s;
  }
  .training-item:first-child { border-top: 1px solid var(--border); }
  .training-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }
  .training-item-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--slate);
    transition: color 0.2s;
  }
  .training-item.open .training-item-title { color: var(--white); }
  .training-arrow {
    color: var(--slate2);
    transition: transform 0.2s, color 0.2s;
    font-size: 0.8rem;
    flex-shrink: 0;
  }
  .training-item.open .training-arrow { transform: rotate(90deg); color: var(--blue-lt); }
  .training-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .training-body-inner {
    padding-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--slate);
    line-height: 1.7;
  }
  .training-body-inner ul { padding-left: 1rem; margin-top: 0.5rem; display: flex; flex-direction: column; gap: 0.3rem; }
  .training-body-inner ul li { list-style: disc; }
  .training-cta-box {
    background: var(--navy2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2.5rem;
    position: sticky;
    top: 100px;
  }
  .training-cta-box h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.75rem; }
  .training-cta-box p { font-size: 0.9rem; color: var(--slate); margin-bottom: 1.75rem; line-height: 1.7; }
  .training-formats { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.75rem; }
  .training-format {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background: var(--navy);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
  }
  .training-format-icon { font-size: 1.1rem; }
  .training-format-title { font-weight: 600; color: var(--ice); font-size: 0.875rem; }
  .training-format-sub { font-size: 0.75rem; color: var(--slate2); }

  /* ── TESTIMONIALS ───────────────────────────────────── */
  #testimonials { padding: 7rem 0; background: var(--navy2); }
  .testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
  .testi-card {
    background: var(--navy);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: transform 0.25s, box-shadow 0.25s;
  }
  .testi-card:hover { transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }
  .testi-stars { color: var(--gold); font-size: 0.875rem; letter-spacing: 2px; }
  .testi-quote { font-size: 0.925rem; color: var(--slate); line-height: 1.75; font-style: italic; }
  .testi-quote::before { content: '"'; }
  .testi-quote::after { content: '"'; }
  .testi-author { display: flex; align-items: center; gap: 0.85rem; margin-top: auto; }
  .testi-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--blue);
    display: grid;
    place-items: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
    color: #fff;
  }
  .testi-name { font-size: 0.875rem; font-weight: 600; color: var(--ice); }
  .testi-role { font-size: 0.75rem; color: var(--slate2); font-family: 'JetBrains Mono', monospace; }

  /* ── CONTACT ────────────────────────────────────────── */
  #contact { padding: 7rem 0; }
  .contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; margin-top: 3rem; }
  .contact-info { display: flex; flex-direction: column; gap: 2rem; }
  .contact-item { display: flex; gap: 1rem; align-items: flex-start; }
  .contact-item-icon {
    width: 44px; height: 44px;
    background: rgba(37,99,235,0.1);
    border: 1px solid rgba(37,99,235,0.2);
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    flex-shrink: 0;
  }
  .contact-item-label { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--slate2); margin-bottom: 0.3rem; text-transform: uppercase; letter-spacing: 0.1em; }
  .contact-item-val { font-size: 0.95rem; color: var(--ice); font-weight: 500; }
  .contact-form { background: var(--navy2); border: 1px solid var(--border); border-radius: 10px; padding: 2.5rem; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
  .form-group label { font-size: 0.8rem; font-weight: 500; color: var(--slate); }
  .form-group input, .form-group select, .form-group textarea {
    background: var(--navy);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 0.75rem 1rem;
    color: var(--ice);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    transition: border-color 0.2s;
    outline: none;
    width: 100%;
  }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--glow);
  }
  .form-group textarea { min-height: 120px; resize: vertical; }
  .form-group select option { background: var(--navy2); }
  .form-success { display: none; text-align: center; padding: 2rem; }
  .form-success-icon { font-size: 3rem; margin-bottom: 1rem; }
  .form-success h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }
  .form-success p { font-size: 0.875rem; color: var(--slate); }

  /* ── FOOTER ─────────────────────────────────────────── */
  footer {
    background: var(--navy2);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
  }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
  .footer-brand p { font-size: 0.875rem; color: var(--slate); line-height: 1.7; margin-top: 1rem; max-width: 280px; }
  .footer-col h5 { font-family: 'Space Grotesk', sans-serif; font-size: 0.875rem; font-weight: 600; color: var(--ice); margin-bottom: 1rem; }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
  .footer-col ul li a { font-size: 0.825rem; color: var(--slate2); transition: color 0.2s; }
  .footer-col ul li a:hover { color: var(--blue-lt); }
  .footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .footer-bottom p { font-size: 0.78rem; color: var(--slate2); }
  .footer-socials { display: flex; gap: 0.75rem; }
  .social-btn {
    width: 34px; height: 34px;
    border: 1px solid var(--border);
    border-radius: 6px;
    display: grid;
    place-items: center;
    color: var(--slate2);
    font-size: 0.8rem;
    transition: all 0.2s;
    cursor: pointer;
    background: none;
  }
  .social-btn:hover { border-color: var(--blue); color: var(--blue-lt); background: rgba(37,99,235,0.08); }

  /* ── CTA BANNER ─────────────────────────────────────── */
  .cta-banner {
    background: linear-gradient(135deg, #1E3A8A 0%, #1E293B 60%, #0A0F1E 100%);
    border: 1px solid rgba(37,99,235,0.3);
    border-radius: 12px;
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin: 5rem 0;
  }
  .cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(37,99,235,0.12) 0%, transparent 70%);
    pointer-events: none;
  }
  .cta-banner h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    position: relative;
  }
  .cta-banner p { font-size: 1.05rem; color: var(--slate); margin-bottom: 2rem; position: relative; }
  .cta-banner .actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

  /* ── SCROLL ANIMATIONS ──────────────────────────────── */
  .fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .fade-up.in-view { opacity: 1; transform: none; }

  /* ── BACK TO TOP ────────────────────────────────────── */
  #backtop {
    position: fixed;
    bottom: 2rem; right: 2rem;
    width: 40px; height: 40px;
    background: var(--blue);
    border: none;
    border-radius: 6px;
    color: #fff;
    display: grid;
    place-items: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.2s;
    z-index: 500;
    font-size: 1rem;
  }
  #backtop.visible { opacity: 1; pointer-events: all; }
  #backtop:hover { transform: translateY(-2px); }

  /* ── RESPONSIVE ─────────────────────────────────────── */
  @media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .nav-links, .nav-cta .btn-outline { display: none; }
    .hamburger { display: flex; }
    .hero-content { grid-template-columns: 1fr; }
    .terminal { display: none; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    .services-header { grid-template-columns: 1fr; gap: 1.5rem; }
    .services-grid { grid-template-columns: 1fr; }
    .expertise-panel.active { grid-template-columns: 1fr; }
    .training-layout { grid-template-columns: 1fr; }
    .testi-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-banner { padding: 2.5rem 1.5rem; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .cert-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 480px) {
    .hero-stats { grid-template-columns: 1fr; }
    .hero-stat { border-right: none; border-bottom: 1px solid var(--border); }
    .hero-stat:last-child { border-bottom: none; }
    .industries-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  }

  /* ── INLINE STYLE REPLACEMENTS ───────────────────────── */
  .mobile-menu .btn-primary { margin-top: 1rem; }
  .text-blue-lt { color: var(--blue-lt); }
  .text-gold { color: var(--gold); }
  .section-label.section-label-center { justify-content: center; }
  .section-intro { text-align: center; max-width: 600px; margin: 0 auto 1rem; }
  .section-intro.section-intro-narrow { max-width: 560px; }
  .btn-block { width: 100%; justify-content: center; }
  .testi-avatar.bg-navy { background: #1E3A8A; }
  .testi-avatar.bg-emerald { background: #065F46; }
  .testi-avatar.bg-amber { background: #7C2D12; }
  .section-sub.section-sub-spaced { margin-bottom: 2.5rem; }
  .support-note { color: var(--slate2); font-size: 0.85rem; }
  .footer-link { color: var(--slate2); text-decoration: underline; }