*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
  :root {
    --navy: #0B2F5B; --royal: #155FBE; --electric: #27A8E0; --cyan: #7ED8F7;
    --gray: #5E6E82; --soft-bg: #F4F8FC; --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #0B2F5B 0%, #155FBE 55%, #27A8E0 100%);
  }
  html { scroll-behavior: smooth; }
  body { font-family: 'Barlow', sans-serif; color: #1a2332; background: var(--white); overflow-x: hidden; }

  /* NAV - WHITE */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,1.0);
    border-bottom: 1px solid rgba(11,47,91,0.1);
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 72px;
  }
  .nav-logo { display: flex; align-items: center; gap: 14px; text-decoration: none; justify-self: start; }
  .logo-icon { width: auto; height: 60px; flex-shrink: 0; }
  .logo-text { display: flex; flex-direction: column; line-height: 1; }
  .logo-text .brand { font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 800; color: var(--navy); letter-spacing: 1px; text-transform: uppercase; }
  .logo-text .sub { font-size: 10px; font-weight: 500; color: var(--electric); letter-spacing: 3px; text-transform: uppercase; margin-top: 2px; }
  .nav-links { display: flex; gap: 32px; list-style: none; justify-self: center; }
  .nav-links a { color: var(--navy); text-decoration: none; font-family: 'Orbitron', sans-serif; font-size: 11px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; transition: color 0.2s; }
  .nav-links a:hover { color: var(--electric); }
  .nav-cta { background: var(--navy); color: var(--white); border: none; padding: 10px 24px; font-family: 'Orbitron', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; border-radius: 2px; transition: background 0.2s, transform 0.15s; justify-self: end; }
  .nav-cta:hover { background: var(--royal); transform: translateY(-1px); }

  /* HERO */
  .hero { min-height: 100vh; background: var(--navy); display: flex; flex-direction: column; justify-content: center; padding: 120px 5% 80px; position: relative; overflow: hidden; }
  .hero::before { content: ''; position: absolute; top: 0; right: 0; width: 55%; height: 100%; background: url('https://images.unsplash.com/photo-1513828583688-c52646db42da?w=1200&q=80') center/cover no-repeat; opacity: 0.18; clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%); }
  .hero-grid-lines { position: absolute; inset: 0; background-image: linear-gradient(rgba(39,168,224,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(39,168,224,0.04) 1px, transparent 1px); background-size: 60px 60px; }
  .hero-accent-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: linear-gradient(to bottom, transparent, rgba(39,168,224,0.3) 30%, rgba(39,168,224,0.3) 70%, transparent); transform: translateX(-50%); }
  .hero-content { position: relative; z-index: 2; max-width: 720px; }
  .hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(39,168,224,0.12); border: 1px solid rgba(39,168,224,0.35); color: var(--cyan); font-size: 12px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; padding: 7px 16px; border-radius: 1px; margin-bottom: 28px; }
  .hero-tag::before { content: ''; width: 6px; height: 6px; background: var(--electric); border-radius: 50%; animation: pulse 2s infinite; }
  @keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
  .hero h1 { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(48px, 7vw, 88px); font-weight: 800; color: var(--white); line-height: 0.95; letter-spacing: -1px; text-transform: uppercase; margin-bottom: 28px; }
  .hero h1 .accent { color: var(--electric); }
  .hero-desc { font-size: 17px; font-weight: 300; color: rgba(255,255,255,0.7); line-height: 1.75; max-width: 560px; margin-bottom: 44px; }
  .hero-desc strong { color: var(--cyan); font-weight: 600; }
  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
  .btn-primary { background: var(--gradient); color: var(--white); padding: 14px 36px; font-size: 15px; font-weight: 600; letter-spacing: 0.5px; border: none; border-radius: 2px; cursor: pointer; text-decoration: none; display: inline-block; transition: opacity 0.2s, transform 0.15s; }
  .btn-primary:hover { opacity: 0.9; transform: translateY(-2px); }
  .btn-outline { background: transparent; color: var(--white); padding: 14px 36px; font-size: 15px; font-weight: 500; letter-spacing: 0.5px; border: 1px solid rgba(255,255,255,0.3); border-radius: 2px; cursor: pointer; text-decoration: none; display: inline-block; transition: border-color 0.2s, color 0.2s; }
  .btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }
  .hero-stats { display: flex; margin-top: 72px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 36px; position: relative; z-index: 2; max-width: 540px; }
  .stat-item { flex: 1; padding-right: 32px; border-right: 1px solid rgba(255,255,255,0.1); margin-right: 32px; }
  .stat-item:last-child { border-right: none; margin-right: 0; padding-right: 0; }
  .stat-num { font-family: 'Barlow Condensed', sans-serif; font-size: 40px; font-weight: 700; color: var(--white); line-height: 1; }
  .stat-num span { color: var(--electric); }
  .stat-label { font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.5); letter-spacing: 1px; text-transform: uppercase; margin-top: 6px; }

  /* CERT STRIP */
  .cert-strip { background: var(--royal); padding: 16px 5%; display: flex; align-items: center; gap: 48px; overflow-x: auto; white-space: nowrap; }
  .cert-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.85); font-size: 13px; font-weight: 500; flex-shrink: 0; }
  .cert-icon { width: 28px; height: 28px; background: rgba(255,255,255,0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; }

  /* SECTION BASE */
  section { padding: 100px 5%; }
  .section-label { font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--electric); margin-bottom: 12px; }
  .section-title { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(34px, 4vw, 52px); font-weight: 800; color: var(--navy); line-height: 1.05; text-transform: uppercase; letter-spacing: -0.5px; }
  .section-title .accent { color: var(--electric); }

  /* ABOUT */
  .about { background: var(--soft-bg); }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin-top: 60px; }
  .about-text p { font-size: 16px; line-height: 1.85; color: var(--gray); margin-bottom: 20px; }
  .about-text .quote { border-left: 3px solid var(--electric); padding-left: 20px; font-size: 17px; font-style: italic; color: var(--navy); font-weight: 500; line-height: 1.6; margin: 28px 0; }
  .about-visual { position: relative; }
  .about-img-placeholder { width: 100%; aspect-ratio: 4/3; background: linear-gradient(135deg, var(--navy) 0%, var(--royal) 100%); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.2); font-size: 14px; letter-spacing: 2px; text-transform: uppercase; position: relative; overflow: hidden; }
  .about-img-placeholder::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--gradient); }
  .about-card { position: absolute; bottom: -24px; left: -24px; background: var(--white); border: 1px solid rgba(21,95,190,0.15); border-radius: 4px; padding: 20px 24px; box-shadow: 0 8px 32px rgba(11,47,91,0.12); min-width: 200px; }
  .about-card-num { font-family: 'Barlow Condensed', sans-serif; font-size: 36px; font-weight: 700; color: var(--royal); line-height: 1; }
  .about-card-label { font-size: 13px; color: var(--gray); margin-top: 4px; }

  /* SERVICES */
  .services { background: var(--white); }
  .services-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 56px; flex-wrap: wrap; gap: 20px; }
  .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(21,95,190,0.08); }
  .service-card { background: var(--white); padding: 40px 36px; position: relative; overflow: hidden; transition: transform 0.25s; cursor: default; }
  .service-card::before { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: var(--gradient); transform: scaleX(0); transform-origin: left; transition: transform 0.3s; }
  .service-card:hover { transform: translateY(-4px); }
  .service-card:hover::before { transform: scaleX(1); }
  .service-num { font-family: 'Barlow Condensed', sans-serif; font-size: 64px; font-weight: 800; color: rgba(21,95,190,0.07); line-height: 1; position: absolute; top: 20px; right: 24px; }
  .service-icon { width: 52px; height: 52px; background: rgba(21,95,190,0.08); border-radius: 4px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
  .service-icon svg { width: 26px; height: 26px; stroke: var(--royal); fill: none; stroke-width: 1.8; }
  .service-title { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 12px; line-height: 1.3; }
  .service-desc { font-size: 14px; color: var(--gray); line-height: 1.7; }

  /* WHY */
  .why { background: var(--navy); padding: 100px 5%; }
  .why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin-top: 60px; }
  .why-list { list-style: none; }
  .why-item { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .why-item:last-child { border-bottom: none; }
  .why-dot { width: 36px; height: 36px; background: rgba(39,168,224,0.15); border: 1px solid rgba(39,168,224,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; font-size: 16px; color: var(--cyan); }
  .why-item-title { font-size: 16px; font-weight: 600; color: var(--white); margin-bottom: 6px; }
  .why-item-desc { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.6; }
  .why-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .why-stat-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; padding: 28px 24px; text-align: center; }
  .why-stat-card:first-child { grid-column: 1 / -1; background: rgba(39,168,224,0.1); border-color: rgba(39,168,224,0.25); }
  .why-stat-num { font-family: 'Barlow Condensed', sans-serif; font-size: 52px; font-weight: 800; color: var(--white); line-height: 1; }
  .why-stat-num .accent { color: var(--electric); }
  .why-stat-label { font-size: 13px; color: rgba(255,255,255,0.5); letter-spacing: 1px; margin-top: 8px; }

  /* PROJECTS */
  .projects { background: var(--soft-bg); }
  .projects-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 56px; flex-wrap: wrap; gap: 20px; }
  .projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .project-card { background: var(--white); border-radius: 4px; overflow: hidden; border: 1px solid rgba(21,95,190,0.1); transition: box-shadow 0.25s, transform 0.25s; }
  .project-card:hover { box-shadow: 0 12px 40px rgba(11,47,91,0.12); transform: translateY(-4px); }
  .project-img { height: 180px; position: relative; display: flex; align-items: flex-end; padding: 16px; }
  .project-status { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 12px; border-radius: 1px; }
  .status-ongoing { background: var(--electric); color: var(--white); }
  .status-completed { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.8); }
  .project-body { padding: 24px; }
  .project-name { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.3; }
  .project-type { font-size: 13px; color: var(--gray); display: flex; align-items: center; gap: 6px; }
  .project-dot { width: 6px; height: 6px; background: var(--electric); border-radius: 50%; }

  /* CLIENTS */
  .clients { background: var(--white); }
  .clients-label-row { margin-bottom: 56px; }
  .clients-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: rgba(21,95,190,0.06); }
  .client-cell { background: var(--white); padding: 32px; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: var(--navy); letter-spacing: 0.5px; min-height: 90px; transition: background 0.2s; text-align: center; }
  .client-cell:hover { background: var(--soft-bg); }

  /* CERTS */
  .certs { background: var(--soft-bg); }
  .certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
  .cert-card { background: var(--white); border: 1px solid rgba(21,95,190,0.1); border-radius: 4px; padding: 32px 28px; display: flex; gap: 20px; align-items: flex-start; }
  .cert-badge { width: 52px; height: 52px; background: var(--gradient); border-radius: 4px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .cert-badge svg { width: 24px; height: 24px; stroke: white; fill: none; stroke-width: 1.8; }
  .cert-body-title { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
  .cert-body-text { font-size: 13px; color: var(--gray); line-height: 1.55; }

  /* CTA SECTION */
  .cta-section { background: var(--white); padding: 100px 5%; border-top: 1px solid rgba(11,47,91,0.08); }
  .cta-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0; align-items: stretch; }
  .cta-text-col { padding-right: 64px; display: flex; flex-direction: column; justify-content: center; }
  .cta-heading { font-family: 'Barlow', sans-serif; font-size: clamp(22px, 2.5vw, 32px); font-weight: 400; color: var(--navy); line-height: 1.3; }
  .cta-heading strong { display: block; font-weight: 800; color: var(--electric); font-size: clamp(26px, 3vw, 40px); line-height: 1.1; margin-top: 4px; }
  .cta-subtext { font-size: 14px; color: var(--gray); line-height: 1.65; margin-top: 14px; }

  .cta-card { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; min-height: 230px; padding: 36px 32px 0 32px; cursor: pointer; transition: filter 0.2s; text-decoration: none; }
  .cta-card:hover { filter: brightness(1.07); }
  .cta-card-call { background: var(--electric); }
  .cta-card-email { background: var(--royal); }
  .cta-card-icon { margin-bottom: 14px; }
  .cta-card-icon svg { width: 36px; height: 36px; fill: rgba(255,255,255,0.9); }
  .cta-card-title { font-size: 28px; font-weight: 400; color: var(--white); margin-bottom: 6px; letter-spacing: -0.3px; }
  .cta-card-sub { font-size: 13px; color: rgba(255,255,255,0.72); line-height: 1.4; }
  .cta-card-arrow { align-self: flex-end; width: 52px; height: 52px; background: rgba(0,0,0,0.2); display: flex; align-items: center; justify-content: center; margin-top: 20px; margin-right: -32px; flex-shrink: 0; }
  .cta-card-arrow svg { width: 20px; height: 20px; stroke: var(--white); fill: none; stroke-width: 2; }

  /* FOOTER */
  footer { background: #06111f; }
  .footer-top { padding: 72px 5% 56px; display: grid; grid-template-columns: 1.5fr 0.9fr 1fr 1.4fr; gap: 48px; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .footer-logo-brand { font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 800; color: var(--white); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 2px; }
  .footer-logo-brand span { color: var(--electric); }
  .footer-logo-sub { font-size: 11px; font-weight: 500; color: var(--electric); letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 18px; }
  .footer-tagline { font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.75; margin-bottom: 22px; max-width: 270px; }
  .footer-contact-item { font-size: 12.5px; color: rgba(255,255,255,0.45); margin-bottom: 7px; display: flex; gap: 8px; align-items: flex-start; }
  .footer-contact-item span:first-child { color: rgba(255,255,255,0.22); font-size: 10px; text-transform: uppercase; letter-spacing: 1px; min-width: 38px; padding-top: 2px; }
  .footer-col-heading { font-size: 10px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--electric); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid rgba(39,168,224,0.18); }
  .footer-links-list { list-style: none; }
  .footer-links-list a { font-size: 12.5px; color: rgba(255,255,255,0.4); text-decoration: none; line-height: 2.1; display: block; transition: color 0.2s; }
  .footer-links-list a:hover { color: var(--cyan); }
  .footer-industries-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
  .footer-bottom { padding: 20px 5%; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
  .footer-bottom-text { font-size: 12px; color: rgba(255,255,255,0.22); }
  .footer-bottom-links { display: flex; gap: 20px; list-style: none; }
  .footer-bottom-links a { font-size: 12px; color: rgba(255,255,255,0.28); text-decoration: none; transition: color 0.2s; }
  .footer-bottom-links a:hover { color: var(--cyan); }

  /* SCROLL ANIMATIONS */
  .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* =============================================
     HAMBURGER + MOBILE DRAWER
     ============================================= */
  .nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    grid-column: 3;
    justify-self: end;
  }
  .nav-hamburger span {
    display: block;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-nav-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(11,47,91,0.1);
    z-index: 99;
    padding: 8px 5% 20px;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(11,47,91,0.08);
  }
  .mobile-nav-menu.open { display: flex; }
  .mobile-nav-menu a {
    color: var(--navy);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 15px 0;
    border-bottom: 1px solid rgba(11,47,91,0.07);
    display: block;
    transition: color 0.2s;
  }
  .mobile-nav-menu a:hover { color: var(--electric); }
  .mobile-nav-menu .mobile-nav-cta {
    margin-top: 16px;
    background: var(--navy);
    color: var(--white);
    padding: 15px 24px;
    text-align: center;
    font-weight: 600;
    border-radius: 2px;
    border-bottom: none;
  }
  .mobile-nav-menu .mobile-nav-cta:hover { background: var(--royal); color: var(--white); }

  /* =============================================
     TABLET  ≥ 640px
     ============================================= */
  @media (min-width: 640px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { flex-direction: row; }
    .stat-item { padding-right: 32px; border-right: 1px solid rgba(255,255,255,0.1); margin-right: 32px; border-bottom: none; }
    .stat-item:last-child { border-right: none; margin-right: 0; padding-right: 0; }
  }

  /* =============================================
     LARGE TABLET  ≥ 900px
     ============================================= */
  @media (min-width: 900px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .projects-grid { grid-template-columns: repeat(3, 1fr); }
    .clients-grid { grid-template-columns: repeat(4, 1fr); }
    .certs-grid { grid-template-columns: repeat(3, 1fr); }
    .about-grid { grid-template-columns: 1fr 1fr; }
    .why-grid { grid-template-columns: 1fr 1fr; }
    .cta-inner { grid-template-columns: 1fr 1fr 1fr; }
    .footer-top { grid-template-columns: 1.5fr 0.9fr 1fr 1.4fr; }
    .nav-links { display: flex; }
    .nav-cta { display: block; }
    .nav-hamburger { display: none; }
  }

  /* =============================================
     MOBILE — max 639px  (overrides desktop defaults)
     ============================================= */
  @media (max-width: 639px) {
    /* NAV */
    nav { height: 64px; padding: 0 5%; }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .nav-hamburger { display: flex; }
    .logo-icon { height: 48px; }

    /* HERO */
    .hero { padding: 88px 5% 56px; min-height: 100svh; }
    .hero::before { display: none; }
    .hero-accent-line { display: none; }
    .hero-content { max-width: 100%; }
    .hero-tag { font-size: 10px; letter-spacing: 1.5px; padding: 6px 12px; }
    .hero h1 { font-size: clamp(38px, 13vw, 60px); }
    .hero-desc { font-size: 15px; margin-bottom: 32px; }
    .hero-actions { flex-direction: column; gap: 12px; }
    .btn-primary, .btn-outline { width: 100%; text-align: center; padding: 16px 20px; }
    .hero-stats {
      flex-direction: column;
      gap: 0;
      max-width: 100%;
      margin-top: 40px;
    }
    .stat-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 0;
      border-right: none;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      margin-right: 0;
      padding-right: 0;
    }
    .stat-item:last-child { border-bottom: none; }
    .stat-num { font-size: 32px; }
    .stat-label { margin-top: 0; }

    /* CERT STRIP */
    .cert-strip { flex-wrap: wrap; gap: 12px 24px; white-space: normal; padding: 14px 5%; }
    .cert-item { font-size: 12px; }

    /* SECTIONS */
    section { padding: 56px 5%; }
    .section-title { font-size: clamp(28px, 9vw, 40px); }

    /* ABOUT */
    .about-grid { grid-template-columns: 1fr; gap: 36px; margin-top: 36px; }
    .about-text .quote { font-size: 15px; }
    .about-visual { margin-bottom: 40px; }
    .about-card {
      position: static;
      margin-top: 16px;
    }

    /* SERVICES */
    .services-header { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 28px; }
    .services-grid { grid-template-columns: 1fr; }
    .service-card { padding: 28px 24px; }
    .service-num { font-size: 48px; }

    /* WHY */
    .why { padding: 56px 5%; }
    .why-grid { grid-template-columns: 1fr; gap: 36px; margin-top: 36px; }
    .why-visual { grid-template-columns: 1fr 1fr; }
    .why-stat-num { font-size: 38px; }

    /* PROJECTS */
    .projects-header { flex-direction: column; align-items: flex-start; margin-bottom: 28px; }
    .projects-grid { grid-template-columns: 1fr; gap: 16px; }

    /* CLIENTS */
    .clients-label-row { margin-bottom: 28px; }
    .clients-grid { grid-template-columns: 1fr 1fr; }
    .client-cell { padding: 20px 12px; font-size: 13px; min-height: 70px; }

    /* CERTS */
    .certs-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 28px; }

    /* CTA */
    .cta-section { padding: 56px 5%; }
    .cta-inner { grid-template-columns: 1fr; gap: 16px; }
    .cta-text-col { padding-right: 0; margin-bottom: 4px; }
    .cta-card { min-height: 160px; padding: 28px 24px 0 24px; }
    .cta-card-arrow { margin-right: -24px; }

    /* FOOTER — 2-col grid: brand full-width, Company|Services side-by-side, Industries full-width */
    .footer-top {
      grid-template-columns: 1fr 1fr;
      gap: 32px 20px;
      padding: 48px 5% 36px;
    }
    .footer-top > div:first-child { grid-column: 1 / -1; }
    .footer-top > div:last-child  { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; align-items: center; text-align: center; gap: 10px; }
    .footer-bottom-links { justify-content: center; }
    .footer-tagline { max-width: 100%; }
  }

  /* =============================================
     BETWEEN 640px–899px  (2-col mid-range fixes)
     ============================================= */
  @media (min-width: 640px) and (max-width: 899px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .nav-hamburger { display: flex; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .why-grid { grid-template-columns: 1fr; gap: 40px; }
    .cta-inner { grid-template-columns: 1fr; gap: 16px; }
    .cta-text-col { padding-right: 0; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
    .footer-top > div:first-child { grid-column: 1 / -1; }
    .footer-top > div:last-child  { grid-column: 1 / -1; }
    .about-card { position: static; margin-top: 16px; }
    .mobile-nav-menu { top: 72px; }
  }